JP2995455B2 - Deburring device for resin molded products - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deburring device for a resin molded product, and more particularly, to a parting line or a corner of a hole formed on an end face of a resin molded product molded by an injection molding machine. The present invention relates to a device for removing burrs protruding from the device.

[0002]

2. Description of the Related Art Conventionally, in most cases, deburring of a resin molded product is manually performed by using a tool such as a file or a spatula. This method has a low work efficiency and requires skill to remove burrs so as to fall within a predetermined dimensional tolerance without damaging the resin molded product. Therefore, a device that continuously breaks and removes burrs by moving the injection nozzle while spraying high-pressure water from the small-diameter injection nozzle toward the burr by a water jet, and a cutting tool that has mechanized deburring There are known devices for scraping burrs.

[0003]

The apparatus for breaking a burr by a water jet described in the prior art is difficult to remove a burr having a large cross-sectional area at a root portion or a low protruding height, and it is difficult to remove the burr. Has to be moved along the burrs, so that the apparatus is large and expensive, and the work efficiency is low.

[0004] In an apparatus for removing burrs using a cutting tool, there is a problem that burrs remain when the cutting tool is separated from the end face of the resin molded product, and when the cutting tool is too close, it bites into the resin molded product, making automation difficult. Was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide an inexpensive and highly-efficient automatic deburring apparatus for resin molded articles. What you want to do.

[0006]

In order to achieve the above object, a deburring apparatus for a resin molded product according to the first aspect of the present invention comprises a parting line and a hole formed on an end face of an injection molded resin molded product. A device that removes burrs protruding at the corners of the resin molded product to be deburred by providing a space around an end face of the resin molded product and detachably retaining the resin molded product at a predetermined position; A tool holding member movably provided in three directions of up, down, front, rear, left and right below the resin molded product held by the holding member; and a metal elastic member detachably attached to the tool holding member. A deburring tool in which a cutting blade is formed on a blade body portion provided at the tip of a shank portion made of a body,
Up / down positioning means for moving the tool holding member up and down to position the cutting edge of the deburring tool at a deburring processing position near an upper end surface of the resin molded product and at a lower standby position; and Pressing and positioning means for moving the tool holding member back and forth or left and right at a processing position and pressing a cutting edge of a deburring tool attached to the tool holding member against an end face of the resin molded product for deburring. Cutting feed means for performing deburring by moving the tool holding member in a direction perpendicular to the pressing direction a set number of times while pressing the cutting edge of the deburring tool against the end face of the resin molded product to be deburred; It is provided with.

A deburring device for a resin-formed product according to a second aspect of the present invention is a device for removing burrs protruding from a parting line or a corner of a hole formed on an end face of an injection-molded resin molded product. A space member is provided around an end surface of the resin molded product to be deburred, and a restraining member for detachably holding the resin molded product; and a vertical member above and below the resin molded product held by the restraining member. A tool holding member provided so as to be movable in three directions of front and rear, left and right, and a cutting blade at a blade body provided at the tip of a shank portion detachably attached to the tool holding member and made of a metal elastic body. The formed deburring tool and the tool holding member are moved up and down to position the cutting edge of the deburring tool at a deburring processing position near the lower end surface of the resin molded product and an upper standby position. Vertical positioning means and the deburring processing position Press positioning means for moving the tool holding member forward or backward or left or right and pressing the cutting blade of the deburring tool attached to the tool holding member against the end face of the resin molded product where deburring is performed; Cutting feed means for performing deburring by moving the tool holding member a set number of times in a direction perpendicular to the pressing direction with the cutting edge of the deburring tool pressed against the end face of the resin molded product to be deburred. It is.

In the deburring device of the first and second aspects, the resin molded product is held by a holding member provided in the device, and can be moved up and down, front and rear, left and right below or above the held resin molded product. The deburring tool is removably attached to the tool holding member provided at the position, and the tool holding member is moved by the vertical positioning means to move the blade body provided at the tip of the deburring tool to the lower or upper standby position. The deburring tool is positioned at the deburring processing position, and the tool holding member is further moved by the pressing and positioning means, and the cutting edge of the deburring tool is used on the end surface for deburring the resin molded product by utilizing the elastic force of the shank portion of the deburring tool. The tool holding member is moved in a direction perpendicular to the pressing direction by a predetermined number of times by the cutting feed means, and the end surface of the deburring tool pressed against the end surface for deburring the resin molded product is damaged by the cutting edge of the deburring tool. To attach Scraping unnecessary burrs projecting from Ku end face.

A deburring device for a resin molded product according to claim 3 is
A device that removes burrs protruding from the parting line or the corner of a hole formed on the end surface of an injection-molded resin molded product, and is detachable from a tool holding member provided on a frame and the tool holding member. A deburring tool in which a cutting blade is formed on a blade body portion provided at the tip of a shank portion made of a metal elastic body, and a vertical and upper side of the deburring tool mounted on the tool holding member. A space member is provided around the end surface of the resin molded product which is provided to be movable in three directions of front and rear and left and right to perform deburring, and a holding member for detachably holding the resin product; Upper and lower positioning means for moving the resin molded article to a deburring position near the cutting blade of the deburring tool on the lower side and an upper standby position, and the holding member at the deburring position What's back and forth or left and right A pressing positioning means for pressing the end face subjected to deburring before Symbol resin molded article is attached to該拘support member is moved to the cutting edge of the deburring tool or one subjected to a deburring of the resin molded product Cutting feed means for performing deburring by moving the holding member in a direction perpendicular to the pressing direction a predetermined number of times while the end face is pressed by the cutting blade of the deburring tool.

According to a fourth aspect of the present invention, there is provided an apparatus for removing burrs which protrudes from a parting line or a corner of a hole formed on an end face of an injection-molded resin molded product. A tool holding member provided on the frame, a deburring tool having a cutting blade formed on a blade body portion detachably attached to the tool holding member and provided at a tip of a shank portion made of a metal elastic body, A space is provided around the end surface of the resin molded product to be deburred that is provided to be movable in three directions of up, down, front, rear, left and right below the deburring tool attached to the tool holding member, and the resin product is provided. A holding member detachably held, and the holding member is moved up and down so that the position of the resin molded product is shifted to a deburring processing position near the upper cutting edge of the deburring tool and a lower standby position. Vertical positioning means for positioning; At the repositioning position, the holding member is moved forward or backward or left or right, and the end surface of the resin molded product attached to the holding member for deburring is pressed against the cutting edge of the deburring tool. Pressing positioning means,
Cutting feed means for performing deburring by moving the holding member in a direction perpendicular to the pressing direction a set number of times in a state where the cutting edge of the deburring tool presses the end surface of the resin molded product to be deburred. It is.

According to a third aspect of the present invention, there is provided a deburring apparatus for holding a resin molded product on a holding member movable up and down, front and rear, and left and right,
A deburring tool is detachably attached to a tool holding member provided below or above the constrained resin molded product, and the end surface for performing deburring of the resin molded product by moving the constraining member by vertical positioning means. It is positioned at the deburring processing position near the blade portion provided at the tip of the lower or upper deburring tool from the standby position, and the holding member is moved in the front-rear or left-right direction by the pressing positioning means to deburr the resin molded product. The end surface to be cut is pressed against the cutting edge of the deburring tool by using the elastic force of the shank portion of the deburring tool, and the holding member is moved by the cutting feed means in a direction perpendicular to the pressing direction for a set number of times to form a resin molded product. Unnecessary burrs protruding from the end surface of the resin molded product are scraped off by the cutting blade of the deburring tool pressed against the end surface for performing the deburring without damaging the end surface of the resin molded product.

According to a fifth aspect of the present invention, the cutting blade formed on the blade body of the deburring tool has a flat outer surface on which the cutting blade is formed, and
The cutting edge is a plurality of cutting blades formed to be inclined with respect to the axis of the deburring tool orthogonal to the working axis of the tool feeding means.

According to a sixth aspect of the present invention, the cutting blade formed on the blade body portion of the deburring tool is a plurality of cutting blades formed on the outside where the cutting blade is formed is a right circular column and the cutting edge is formed helically. It is.

According to a seventh aspect of the present invention, a control means for simultaneously controlling the movement in the front-rear direction and the left-right direction is provided so that the pressing positioning means and the cutting and feeding means excluding the vertical direction can be simultaneously controlled.

According to the fifth and sixth aspects of the present invention, the blade body of the deburring tool is formed such that the outside of the cutting blade is flat and the cutting blade is inclined with respect to the operating direction of the deburring tool. In the case where the outside of the cutting edge is a right circular cylinder and the cutting edge is formed in a spiral shape with respect to the working direction, the cutting resistance is small when shaving off the burr, so that the sharpness is improved and the cutting powder (sharpened Burrs are smoothly discharged from the blade body without being entangled with the cutting edge of the deburring tool.

According to a seventh aspect of the present invention, when the end surface of the resin molded product to be deburred is a non-linear surface or an inclined surface, the control means for simultaneously controlling the movement in the front-rear direction and the left-right direction allows the pressing positioning means to move up and down. Simultaneously controlling the cutting and feeding means except for the direction, the cutting edge formed in a straight cylindrical and spiral shape of the deburring tool is continuously moved while pressing against the end surface of an arbitrary shape, and protruded from the end surface of the resin molded product. Remove unnecessary burrs.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【Example】

[Embodiment 1] FIG. 1 is a rear view of a deburring apparatus for a resin molded product, and FIG. 2 is a side view thereof. A vertical (Z-axis) Z-axis guide 2 is attached to a lower side surface 1a of a frame 1 erected on the floor, and a Z-axis air for vertical positioning is provided on an upper surface of a projecting portion 1b below the lower side surface 1a. The cylinder 3 is fixed vertically.

In the Z-axis air cylinder 3, a rod end plate 3d is vertically movably fitted to the upper end of a piston rod 3b provided at the center and guide rods 3a and 3c provided on both sides thereof. The vertical moving table 4 is horizontally fixed to the upper end surface of the plate 3d, and the slide member 2a of the Z-axis guide 2 is fixed to the side surface of the vertical moving table 4. Two guide bars 5, 5 in the front-rear (Y-axis) direction are fixed in parallel at both ends on the vertical moving table 4, and can be moved along the guide bars 5, 5 in the front-rear (Y-axis) direction. The Y-axis guides 5a, 5a are fitted and the front and rear movable table 6 is fixed to the upper end surface so as to be movable in the front and rear directions. The position controllable Y is provided at the end on the vertical moving table 4.
A shaft motor 8 is fixed, and a ball screw 7 is rotatably supported in front of the output shaft of the Y-axis motor 8. The ball screw 7 is fixed to the ball screw 7 and the lower end surface of the front-rear moving table 6 by the Y-axis motor 8. The front / rear moving table 6 is moved via the female ball screw 7a to perform positioning in the front / rear (Y-axis) direction.

The X-axis in the left-right (X-axis) direction is
A shaft guide 11 is fixed, and a left and right moving table 12 is movably fixed on a slide member 11 a of the X-axis guide 11. The left and right moving table 12 is reciprocated a set number of times over a set distance via a connecting member 12 a by an X-axis air cylinder 13 fixed to the front and rear moving table 6, and is moved upward through a plurality of supports 14 on the upper surface. The plate 15 is fixed. The upper plate 15 has four through holes 15a as shown in the enlarged view of FIG.
A tool holder 16 is fixed to each through hole 15a, and a deburring tool 17 is attached to and detached from a central hole of the tool holder 16 with the blade body 17A facing upward. Mounted as possible.

As shown in FIG. 4, the deburring tool 17 has a relatively thin shank 17B of an elastic body such as a piano wire having an outer diameter of about 1 mm, for example, in a center hole 17a of a rectangular parallelepiped blade portion 17A.
Is fixed by press-fitting, and is fixed to the center hole of the tool holder 16 with a bolt 18. A plurality of cutting blades 17b that are inclined at an angle θ with respect to the axis of a shank 17B orthogonal to the tool feed action axis are formed on the facing cutting blade forming surfaces 17c and 17d in the blade body portion 17A, Multiple cutting blades 17
The interval P of b is set so as to always contact two or more locations with burrs on the end face of the resin molded product described later.

On the other hand, two columns 20 and 21 are erected on the frame 1 and on the floor separated in the X-axis direction, and a horizontal beam 22 is provided at the upper end of the two columns 20 and 21 in the X-axis direction. It is erected in. Guide bars 23, 2 are provided on the front of the cross beam 22.
3 are provided in parallel and horizontally.
A lateral transfer air cylinder 24 guided and positioned by the guides 3 and 23 is provided movably on the axis of a piston rod 39 thereof.

A plate-like arm 25 is fixed to the front surface of the horizontal transfer air cylinder 24, and vertically lifts and lowers air cylinders 26A, 26A for lifting the work vertically to the front surfaces of both ends of the arm 25.
6B is fixed downward. Lifting air cylinder 26
Air holes (not shown) pass through the piston rods 26a and 26b of the piston rods A and 26B, respectively.
Attraction | suction disks 27A and 27B of a trumpet shape which adsorb | sucks the resin molded article 40 with a runner are attached to the lower end part of a and 26b,
The air holes of the piston rods 26a and 26b are connected to an air suction device (not shown) such as a vacuum pump by a flexible hose (not shown).

Brackets 28, 28 are fixed to the piston rods 26a, 26b at positions near the lower ends.
The guide bars 32, 32 whose lower ends are fitted to the brackets 28, 28 are vertically movably supported by the guide bearings 31, 31, respectively.

On the other hand, a jig mounting plate 35 is horizontally fixed to the upper side surface 1c of the frame 1 so as to protrude above the four deburring tools 17 attached to the tool holder 16. A work mounting jig 37 for holding a work to be described later is fixed on the tool mounting plate 35, and the work mounting jig 37 is set at the processing position b of the work.

Further, a work magazine (not shown) is provided on the floor near the support column 21. The work magazine is used to sequentially take out resin moldings 40 with runners, which will be described later, mounted on a plurality of work fixtures 38 one by one. The lifting air cylinders 26A and 26B attached to both ends of the arm 25 are set at an interval equal to the distance between the take-out position a and the processing position b.

The horizontal transport air cylinder 24 is provided on a shaft of a piston rod 39 provided on the horizontal girder 22.
23, while being positioned at the left end, the left suction plate 27A suctions and holds the runner-attached resin molded product 40 at the take-out position a, and at the same time, the right suction plate 37
B allows the resin molded article with runner 40 at the processing position b to be sucked and held, and the resin molded article with runner held at the processing position b by the suction disk 27B is fixed by the lifting air cylinder 26B. The deburring process is performed while maintaining the state of being pressed by the tool 37. After the deburring process is completed, the horizontal conveying air cylinder 24 is moved to the right to remove the deburred processed resin molded product 40 with a runner.
Is sent to a product unloading device (not shown), and at the same time, the unprocessed resin molded article with runner 40 at the take-out position a is conveyed to the working position b.

FIG. 5 is a view of the resin molded article 40 with a runner as it is taken out of the mold of the injection molding machine. This is a hard material, and the side gate 42,
The four resin molded products 41 are formed in a symmetrical left and right shape two by two in series with the runner 43, and the resin molded products 41 are the same as the resin molded products 41 of the side gates 42 after the deburring process. Each is separated from adjacent parts.

A work mounting jig 37 shown by a virtual line in FIG.
Is fixed to the jig mounting plate 35 by four bolts. The positioning of the resin molded article 40 with a runner on the work mounting jig 37 is performed by positioning the outer periphery of the cylindrical portion 43a at the center of the runner 43 and the work mounting jig 37. The engagement with the central positioning hole 37a, the outer surfaces of the projecting edges 37b, 37b formed on both sides in the longitudinal direction of the upper surface of the work mounting jig 37, and the runner outer surface 4
3b, 43b.

Then, the positioned resin molded article with runner 40 is attached to the suction plate 27 by the upper end surface of the cylindrical portion 43a of the runner 43.
By being pressed downward by the lifting / lowering air cylinder 26B via A and 27B, the workpiece is held by the work mounting jig 37 with a force that can withstand deburring. Square holes 37c formed inside both ends of the work mounting jig 37 are holes through which the blade body 17A of the deburring tool 17 is inserted.

FIG. 6 is a view of a resin molded product 41 as a product separated from the runner 43. The resin molded product 41 has a substantially rectangular parallelepiped shape, and deburrs projecting from the respective end surfaces 41a and 41b in the longitudinal direction. Is what is done. Resin molding 4
The position of the burrs protruding from one end surface 41a of FIG.
FIG. 6 shows the positions of the burrs on the other end face 41b of the vicinity of the parting line 41c indicated by the imaginary line in FIG. 6B and the corners in contact with the end faces 41a of the square holes 41d and the round holes 41e.
(C) is a parting line 41c indicated by an imaginary line, and a corner that is in contact with the end face 41b of the round hole 41e and the round hole 41f.

Next, the operation of the first embodiment will be described.
When the runner-mounted resin molded product 40 stored in a work magazine (not shown) is indexed to the take-out position a, pressurized air is sent to the upper chamber of the left elevating air cylinder 26A to lower the piston rod 26a, and the tip of the piston rod 26a Of the suction rod 27A comes into contact with the upper end surface of the cylindrical portion 43a of the runner 43, and the lowering of the piston rod 26a stops.

Next, the resin molded article with runner 40 is sucked and held by the suction disk 27A by the action of suction force by an air suction device (not shown), and pressurized air is sent to the lower chamber of the lifting air cylinder 26A to be sucked together with the suction disk 27A. After the held resin molded product with runner 40 rises, the horizontal transfer air cylinder 24 moves rightward to the deburring processing side in the X-axis direction, and the resin with runner sucked and held together with the suction disk 27A above the processing position b. The molded article 40 is positioned.

Then, the runner-equipped resin molded product 40 sucked and held together with the suction board 27A is moved up and down by the air cylinder 26A.
After being lowered by the action of the above, it is placed on the work mounting jig 37 of the deburring device, and after the suction force of the suction disk 27A is released,
The piston rod 26a is operated by the operation of the lifting air cylinder 26A.
Rises, and the suction disk 27A separates upward from the runner-mounted resin molded product 40.

Next, when the horizontal transport air cylinder 24 moves leftward in the X-axis direction and is positioned at the left end, the left elevating air cylinder 26A is directly above the work take-out position a, and at the same time, the right elevating air cylinder 26B Is the machining position b
Directly above.

Next, pressurized air is simultaneously sent to the upper chambers of the lifting and lowering air cylinders 26A and 26B, and the piston rod 26
The suction disks 27A and 27B at the lower ends of the a and 26b are simultaneously lowered, and the next resin molded product 40 with a runner waiting at the take-out position a of the work magazine and the resin with a runner on the work mounting jig 37 of the deburring device. Runner 43 with molding 40
The suction disks 27A and 27B respectively abut against the upper end of the cylindrical portion 43a, and the suction force by an air suction device (not shown) acts to suck the resin molded product with runner 40, and in this state, the resin molded product with runner at the processing position b. 40 is a lifting air cylinder 26
By the action of B, the workpiece is pressed by the work mounting jig 37 and is held with a force that can withstand deburring.

Next, pressurized air is sent to the lower chamber of the Z-axis air cylinder 3 fixed vertically to the frame 1, and the piston rod 3b rises at the same time. The four deburring tools 17 attached to the tool holder 16 via the tool are moved from the standby position c to the processing position b.
Of the resin molded product 41 which is a product of the resin molded product 40 with runner on the work mounting jig 37, for example, the height of the right end surfaces 41a and 41b shown in FIG.
7 blade body 17A is positioned.

Next, the ball screw 7 is driven by the Y-axis motor 8.
Is rotated, the deburring tool 17 moves in the Y-axis direction toward the resin molded product 41 together with the front-rear moving table 6, and the cutting edge 17 b of the deburring tool 17 is moved to the end surfaces 41 a and 41 a of the resin molded product 41.
The movement of the blade body 17A is prevented by contacting the burr 41b, but the front and rear movable table 6 continues to slightly move and stops, and the blade body 17A of the deburring tool 17 is imaginary in FIG. The state shown by the line is obtained. In this state, the shank 17B of the deburring tool 17 is bent, and the cutting blade 17b is pressed against the burr by the elastic force.

Next, the switching of the pressurized air between the left chamber and the right chamber of the X-axis air cylinder 13 causes the left and right movable table 12 to reciprocate in the X-axis direction between the set distances, so that the deburring tool 17 is fed. Burrs are removed by the cutting blade 17b. The burrs are gradually scraped off each time the reciprocation in the X-axis direction is performed. When the height of the burrs reaches within a predetermined dimensional tolerance, the cutting edge 17b of the deburring tool 17 is removed by the amount of the burrs removed. Since the shaft 17 is displaced toward the axis, the amount of bending of the shank portion 17B is reduced and its elastic force is also reduced, so that the cutting pressure of the cutting blade 17b applied to the burr is reduced and the cutting amount is also reduced.

When the reciprocating motion reaches the set number of times, the supply of the compressed air to the X-axis air cylinder 13 is stopped, and the Y-axis motor 8
After the cutting edge 17b of the deburring tool 17 is separated from the right end surfaces 41a and 41b shown in FIG. 5, pressurized air is sent to the upper chamber of the Z-axis air cylinder 3 to lower the deburring tool 17, and the Y-axis After the deburring tool 17 is moved below the left end faces 41a and 41b shown in FIG. 5 by the motor 8, pressurized air is sent to the lower chamber of the air cylinder 3 again, and the deburring tool 17 rises, and the resin molded product is raised. The blade body 17A is positioned near the left end surfaces 41a and 41b in FIG. 5, which is the unprocessed side of 41, and the deburring is performed in substantially the same manner as described above.

When the deburring of both the left and right end faces 41a, 41b is completed, the lifting air cylinder 26
A, unprocessed resin molded article 40 with a runner to which the pressurized air is sent to the lower chamber of A and 26B to be adsorbed on the adsorber 27A;
The processed runner-mounted resin molded product 40 adsorbed to 7B rises at the same time.

Next, by moving the horizontal transport air cylinder 24 to the right in the X-axis direction, the processed resin molded article with runner 40 is positioned above a product unloading device (not shown), and the unprocessed resin molded article with runner 40 is moved. It is positioned above the work mounting jig 37 on the deburring side. Next, pressurized air is simultaneously sent to the upper chambers of the lifting and lowering air cylinders 26A and 26B,
The processed resin molded article with runner 40 is placed on a product unloading device (not shown), and the unprocessed resin molded article with runner 40 is placed on the work mounting jig 37. Then, the work mounting jig is continued as described above. 37, a molded resin article with a runner mounted on 37
Deburring is performed on the end surfaces 41a and 41b of the resin molded product 41 of No. 0.

[Embodiment 2] The deburring apparatus for resin molded articles according to Embodiment 2 is basically different from Embodiment 1 in FIGS.
As shown in FIG. 10, the deburring tool 17 is attached to the center hole through which the tool holder 16 penetrates, with the blade body portion 17A facing down, and the standby position C of the deburring tool 17 is set on the work mounting jig 37. The configuration is almost the same as that of the resin-molded product deburring apparatus of the first embodiment except that it is set above the runner-attached resin-molded product 40 to be held. Therefore, in order to avoid repetition of the description, the same portions are denoted by the same reference numerals, and the description thereof will be omitted or simplified, and only different portions will be mainly described.

An upper plate 65 is fixed to the upper surface of the left and right movable table 12 of the deburring device via a support 64, and a left and right cut is made at a central portion of a portion projecting from the support 64 of the upper plate 65 toward the frame 1. A notch groove 65a is formed, and two through holes, two on each side, are vertically formed in the protruding portion, and the tool holder 16 is placed in each of these four through holes with the flange portion down. It is fixed.

A deburring tool 17 is vertically detachably mounted on the center hole through which the tool holder 16 penetrates, with the blade portion 17A facing down, and a jig mounting base 35 fixed to the side surface 1c of the frame 1. The position of the upper side of the work attachment jig 37 fixed on the upper side opposite to the frame 1 is set to the standby position C of the deburring tool 17. The X-axis air cylinder 13 for driving the left and right moving table 12 moves between the approach movement of the deburring tool 17 directly above the standby position C and the processing position b via the connecting member 12a and the set distance at the time of the deburring processing. Both cutting feed and reciprocating movement for a set number of times are performed.

Next, the operation of the second embodiment, which is different from that of the first embodiment, will be described. An unprocessed resin molded article 40 with a runner is placed on the work mounting jig 17 of the deburring device, and the work mounting jig 3 is operated by the action of the lifting / lowering air cylinder 26B.
When the replacement operation of the runner-mounted resin molded product 40 is completed by being pressed and held by the pressurized member 7, pressurized air is sent to the left chamber of the X-axis air cylinder 13, and the tool holder 16 Are moved from the standby position C to the frame 1 side in the X-axis direction, and are positioned just above the resin molded product 40 with runner. At this time, the piston rod 26b of the lifting / lowering air cylinder 26B is loosely inserted into the notch groove 65a of the upper plate 65 and does not interfere.

Then, pressurized air is sent to the upper chamber of the Z-axis air cylinder 3 fixed vertically to the frame 1 to lower the piston rod 3b, and the blade 1 of the deburring tool 17
7A descends to the height of the processing position b, and the work mounting jig 37
A resin molded product 4 which is a product of the resin molded product 40 with a runner above.
The blade body 17A at the lower end of the deburring tool 17 is positioned at the height of the end face for deburring.

Next, the ball screw 7 is rotated by the Y-axis motor 8 in the same manner as in the first embodiment, and the deburring tool 17 together with the front-rear moving table 6 and the left-right moving table 12 is moved toward one end face of the resin molded product 41 by Y. It moves in the axial direction and the deburring tool 1
The cutting blade 17b of No. 7 comes into contact with the burr, the shank portion 17B is bent, and the cutting blade 17b is pressed against the burr by its elastic force.

Next, pressurized air is alternately sent to the right chamber and the left chamber of the X-axis air cylinder 13 to reciprocate the left and right movable table 12 for a set distance, so that the deburring tool 17 is fed.
Burrs are removed by the cutting blade 17b. When the reciprocating motion reaches the set number of times, the supply of the pressurized air to the X-axis air cylinder 13 is stopped, and the Y-axis motor 8 separates the cutting edge 17b of the deburring tool 17 from one end face of the resin molded product 41, and the Z-axis air The pressurized air is sent to the lower chamber of the cylinder 3 and the deburring tool 17 rises, and the deburring tool 17 is again moved by the Y-axis motor 8 to an upper position near the other unprocessed end surface of the resin molded product 41. After the 17A is positioned, it is lowered by the Z-axis air cylinder 3 to the height of the cutting position b, and deburring is performed in substantially the same manner as described above.

When the deburring of both the left and right end surfaces of the resin molded product 41 is completed, the cutting edge 17b of the deburring tool 17 is separated from the end surface of the resin molded product 41 by the Y-axis motor 8, and the Z-axis air is removed. The pressurized air is sent to the lower chamber of the cylinder 3 and the deburring tool 17 rises, and the pressurized air is sent to the right chamber of the X-axis air cylinder to move to the opposite side of the frame 1 in the X-axis direction and is positioned at the standby position C. You. Then, as in the first embodiment, the operation proceeds to the transfer operation of the processed resin molded article with runner 40 and the unprocessed resin molded article with runner 40.

[Embodiment 3] FIG. 11 is a view basically showing a deburring apparatus for a resin molded product according to Embodiment 3 which is basically different from Embodiment 1.
As shown in FIG. 12, the deburring tool 17 is
, And is located at a lower position of the resin molded product with a runner, and the resin molded product with a runner 40 is movable in three directions: left and right (X axis), front and rear (Y axis), and up and down (Z axis). . Therefore, most of the structure other than the above is the same as that of the first embodiment. To avoid repetition of the description, the same portions are denoted by the same reference numerals, and the description thereof will be omitted or simplified, and different portions will be mainly described.

The lower side surface 71a of the frame 71 erected on the floor has a vertical Z-axis guide 2 attached thereto, and a Z-axis air cylinder for vertical positioning is provided on the upper surface of the projecting portion 71b below the lower side surface 71a. 3 is fixed vertically. The vertical moving table 4 is horizontally fixed to the upper end surface of the rod end plate 3d of the Z-axis cylinder 3, and the slide member 2a of the Z-axis guide 2 is fixed to the side surface of the vertical moving table 4.

Before and after fixation (Y
A longitudinally movable table 6 is fixed along the guide bars 5 and 5 in the (axial) direction so as to be movable in the longitudinal direction. The longitudinally movable table 6 is moved in the longitudinal direction via a ball screw 7 by a Y-axis motor 8 whose position can be controlled. Positioned.

The X in the left-right (X-axis) direction is
The shaft guide 11 is fixed, and the left and right moving table 72 is movably fixed on the slide member 11 a of the X-axis guide 11. The left and right moving table 72 is reciprocated a set number of times between a set distance via a connecting member 72a by an X-axis air cylinder 13 fixed to the front and rear moving table 6. X-axis guide 1
The right and left direction is formed longer than the first slide member 11a, and the right side protrudes to a position above the deburring tool 17,
A work mount 37 on which the work is held is fixed on the projecting right side.

Further, brackets 73 and 74 are fixed on the left and right moving table 72 near the work mounting table 37 and on the left end, respectively. An L-shaped clamp lever 76 is attached to the bracket 74 by a pin in the front-rear (Y-axis) direction. It is pivoted by 77. The tip of the piston rod 78a of the clamp air cylinder 78 is attached to the pin 8 by the arm 76a of the clamp lever 76.
0, and the rear end of the clamp air cylinder 78 is supported by the bracket 73 by a pin 79. Then, pressurized air is supplied to the left chamber of the clamp air cylinder 78 to project the piston rod 78a, and the clamp lever 7
6 oscillates in a clockwise direction and presses the cylindrical portion 43a of the runner 43 of the runner-mounted resin molded product 40 on the work mount 37 with the lower surface, and engages the runner-mounted resin molded product 40 with a force that resists deburring. Pressurized air is supplied to the right chamber of the clamp air cylinder 78, and the clamp lever 76 swings counterclockwise to release the restraint, and at the same time, to the retreating posture which does not hinder the attachment / detachment of the work.

On the other hand, the end of the tool mount 75 is fixed to the upper surface 71d of the frame 71, and four through-holes are vertically formed at the tip of the tool mount 75. A tool holder 16 is fixed, and a deburring tool 17 is detachably attached to a center hole through which the tool holder 16 passes, with the blade body portion 17A facing upward.

Next, the operation of the third embodiment will be described with reference to the first embodiment.
The following explanation focuses on the differences. After the resin molded article with runner 40 is adsorbed by the suction disk 27A and placed on the work mounting jig 37 positioned at the standby position C of the deburring device, the suction force of the suction disk 31A is released, and then the vertical movement is performed. The piston rod 26a rises by the action of the cylinder 26A,
The suction disk 27A is separated from the resin molded article 40 with a runner.

Next, when the transfer air cylinder 24 moves to the left in the X-axis and is positioned at the left end position, the left elevating air cylinder 26A is directly above the work take-out position a, and at the same time, the right elevating air cylinder 26B is located above the resin molded article 40 with a runner.

Next, pressurized air is supplied to the right chamber of the clamp air cylinder 78, and the clamp lever 76 is
And the cylindrical portion 43 of the runner 43 of the resin molded product 40 with a runner is
a is pressed to hold the resin molded article with a runner with a force that can withstand deburring.

Next, the lower projecting portion 71 of the frame 71
b, pressure air is sent to the upper chamber of the Z-axis air cylinder 3 which is fixed vertically on the piston b, and the piston rod 3b rises,
The runner-mounted resin molded product 40 held on the work mounting jig 37 via the front-rear moving table 6 and the left-right moving table 72 is lowered from the standby position C to the height of the processing position b, and the runner-mounted resin molded product 40 is lowered. The end face of the resin molded product 41, which is the product of the above, is positioned at the height of the blade portions 17A of the four deburring tools 17 attached to the tool holder 16.

Next, the ball screw 7 is driven by the Y-axis motor 8.
Is rotated, and the resin molded product 41 moves in the Y-axis direction toward the deburring tool 17 together with the front-rear moving table 6, and the resin molded product 41
The one end face of the tool comes into contact with the cutting blade 17b of the deburring tool 17, and the front and rear movable table 6 subsequently moves slightly and stops. At this time, the shank 17B of the deburring tool 17 is bent and the cutting blade 17b is pressed against the burr by the elastic force.

Next, the pressurized air is alternately sent to the left chamber and the right chamber of the X-axis air cylinder 13, and the left and right movable table 72 reciprocates in the X-axis direction over the set distance, thereby forming the resin molded article with runner 40.
Is supplied with a cutting feed, and burrs are removed by the cutting blade 17b.

When the reciprocating motion approaches the set number of times, the height of the burr reaches within a predetermined dimensional tolerance, the bending of the shank portion 17B is reduced by the amount of the burr removed, the elastic force is reduced, and the cutting amount is reduced. When the number decreases and the set number of times is reached, the supply of the pressurized air to the X-axis air cylinder 13 is stopped, and the cutting feed is stopped.

Next, the resin molded product 4 is driven by the Y-axis motor 8.
After the one end face of the deburring tool 1 is separated from the cutting edge 17a of the deburring tool 17, pressurized air is sent to the lower chamber of the Z-axis air cylinder 3 to raise the runner-mounted resin molded product 40, and the Y-axis motor 8 As a result, the other unprocessed end face of the resin molded product 41 is positioned at an upper position near the blade body portion 17A of the deburring tool 17, lowered by the Z-axis air cylinder 3 to the height of the cutting position b, and substantially similar to the above. The deburring process is performed on the other end surface of the resin molded product 41 by the operation.

When all of the left and right end faces of the resin molded product 41 have been deburred in this way, the cutting edge 17 b of the deburring tool 17 is separated from the other end surface of the resin molded product 41 by the Y-axis motor 8. The pressurized air is sent to the lower chamber of the Z-axis air cylinder 3, and the runner-mounted resin molded product 40 rises and is positioned at the standby position C.

Then, pressurized air is sent to the right chamber of the clamp air cylinder 78, and the clamp arm 74 swings counterclockwise to release the resin molded article 40 with runner.
The pressurized air is simultaneously sent to the upper chambers of the lift air cylinders 26A and 26B, and the piston rod 2 is standing by at the upper position.
The suction disks 27A and 27B descend together with 6a and 26b,
A runner 43 between the next resin molded product with runner 40 waiting at the take-out port a of the work magazine and the resin molded product with runner 40 positioned at the standby position C of the deburring device.
The suction disks 27A and 27B abut against the upper end of the cylindrical portion 43a, respectively, and the suction force of an air suction device (not shown) acts to suction the resin molded article 40 with a runner.

Next, the lift air cylinders 26A, 26B
And the unprocessed resin molded article 40 with a runner, which is simultaneously supplied with pressure air to the lower chamber and adsorbed to the suction disk 27A, and the suction disk 27B
The processed resin molded article with runner 40 which is adsorbed on the resin rises at the same time, and the processed molded resin article with runner 4 as in the first embodiment.
The operation proceeds to a transfer operation of the transfer between the 0 and the unprocessed resin molded article with runner 40.

[Embodiment 4] The deburring apparatus for a resin molded product according to the fourth embodiment is basically different in that the deburring tool 17 fixed to the frame 91 is located above the resin molded product 40 with a run. . Therefore, the upper surface 91d of the frame 91 to which the blade mounting base 75 is attached is higher than the upper surface 71d of the frame 71 of the third embodiment, and the edge mounting is fixed to the upper surface 91d of the frame 91. Stand 75
A deburring tool 17 is removably attached to a tip end portion of the blade through a blade holder 16 with the blade body 17A facing down.

Further, the left and right moving table 72 is fixed on the slide member 11a of the X-axis guide 11 so that the left side protrudes, and the standby position of the runner-mounted resin molded product 40 held by the work mounting jig 37. C is set at a position away from the deburring tool 17 on the side opposite to the frame in the lower X-axis direction.

The X-axis air cylinder 13 moves the approach movement between the stand-by position C of the resin molded article 40 with the runner on the left and right moving table 12 and the position immediately below the processing position b and the set distance at the time of deburring. The third embodiment is the same as the third embodiment except that both the cutting feed and the reciprocating cutting feed are performed a set number of times. Therefore, the same portions are denoted by the same reference numerals and description thereof will be omitted.

Next, the operation of the fourth embodiment will be described with reference to the third embodiment.
Only the points different from the above will be described. When the runner-mounted resin molded product 40 placed on the work mounting jig 37 positioned at the standby position C of the deburring device is held by the clamp lever 76, pressure is applied to the left chamber of the X-axis air cylinder 13. When the air is supplied, the runner-mounted resin molded product 40 on the work mounting jig 37 moves to the X-axis direction frame side together with the left and right moving table 72, and is positioned immediately below the deburring processing position b, and the lower side of the frame 91. The compressed air is sent to the lower chamber of the Z-axis air cylinder 3 which is vertically fixed on the projecting portion 91b, and the piston rod 3b is lifted up. The resin molded product 41 which is the product of the product 40 is located at the processing position b, ie, the deburring tool 1
7 rises to the height of the blade portion 17A.

Next, similarly to the third embodiment, one end surface of the resin molded product 41 is pressed against the cutting blade 17b of the deburring tool 17 by the Y-axis motor 8, and the X-axis In the reciprocating motion in the direction, the cutting feed is given to the resin molded article 40 with the runner, the burrs are scraped off by the cutting blade 17b, and the burrs on the other end face of the resin molded article 41 are subsequently scraped off.

When the left and right end surfaces of the resin molded product 41 have been deburred, the Y-axis motor 8 causes the cutting edge 17b of the deburring tool 17 to move away from the other end surface of the resin molded product 41.
The pressurized air is sent to the upper chamber of the shaft air cylinder 3 to lower the resin molded product 40 with the runner, and the resin molded product 40 with the runner is moved by the X-axis air cylinder 13 to the left and right side opposite to the frame side to the standby position C. Positioned.

In the first to fourth embodiments, the deburring projecting from the flat end surfaces 41a and 41b of the resin molded article 41 shown in FIG. 6 has been described. When performing deburring projecting on the arc-shaped end surface 51a or the end surface 51b formed by two inclined surfaces,
A deburring tool 47 in which a blade body portion 47A as shown in FIG. 8 has a right cylindrical shape and a plurality of cutting blades 47b are formed in a spiral shape on the outer periphery.
Is used to change the reciprocating motion of the left / right movable table 12 or 72 from the driving of the air cylinder by the X-axis air cylinder 13 to the driving of the X-axis motor capable of position control, and a synchronous control circuit for the Y-axis motor 8 and the X-axis motor is provided. With the simultaneous movement of the X-axis motor and the Y-axis motor 8, the arc-shaped end face 51a or the inclined end face 51
What is necessary is just to give the feed along b to the deburring tool 47.

The resin molded product is a resin molded product with a runner 4.
The example in which the deburring of 0 is performed has been described.
When deburring is performed on the resin molded product 41 removed from the step, the end surfaces 41g and 41h on which deburring is not performed and the end surface 41 of a step portion parallel to the end surfaces 41a and 41b on which deburring is performed.
Deburring is performed by holding the resin molded product 41 on a work mounting jig (not shown) with reference to i.

Although the X-axis direction is referred to as the left-right direction and the Y-axis direction is referred to as the front-back direction, it does not matter if the X-axis direction is referred to as the front-back direction and the Y-axis direction is referred to as the left-right direction. Although the cutting feed direction is the left-right (X-axis) direction, the width of the blade portion of the deburring tool 17 may be slightly larger than the width of the end surface of the resin molded product 41, which is a product, on which deburring is performed. The vertical (Z-axis) direction can be the cutting feed direction.

[0076]

The deburring apparatus for a resin molded product of the present invention is constructed as described above, and has the following effects. The resin molded product is detachably held on the holding member, and the deburring tool is attached to the tool holding member that can move relatively in the three directions of up, down, front, back, left and right below or above the held resin molded product. Then, the blade body portion of the deburring tool is positioned from the standby position to the height of the processing position by the vertical positioning means, and the cutting edge of the deburring tool is made use of the elastic force of the shank portion of the deburring tool by the pressing positioning means. Deburring is performed on the end surface of the resin molded product by pressing the end surface to be deburred and reciprocating by the cutting feed means. Highly efficient automated deburring is possible.

Further, since the cutting edge of the deburring tool is formed in an inclined or spiral shape, the cutting resistance when removing the burr is reduced, the sharpness of the cutting edge is improved, and the chips are removed from the blade body. It is discharged smoothly.

Further, since the blade body of the deburring tool is formed in a right circular column, and a simultaneous front / rear / left / right control circuit for the pressing positioning means and the cutting / feeding means excluding the vertical direction is provided, the end face of the resin molded article having an arbitrary shape can be formed. Deburring becomes possible.

[Brief description of the drawings]

FIG. 1 is a view of a deburring apparatus according to a first embodiment of the present invention when viewed from a side opposite to a front side, and is a view showing a cross section taken along line AA in FIG. 2;

FIG. 2 is a side view of the deburring apparatus of the first embodiment.

FIG. 3 is an enlarged view of the vicinity of a holding portion and a tool holding portion of the resin molded product shown in FIG.

4A and 4B are views of a deburring tool in which a cutting edge is formed in a rectangular parallelepiped, wherein FIG. 4A is a front view, FIG.
(C) is a figure showing the shape of the cutting blade seen from the inclined cutting line direction.

5A and 5B are diagrams showing a solid molded product with a runner, and a virtual line showing a work mounting jig (restraint member of the resin molded product) and a position of a blade portion at the time of deburring, and FIG. View,
(B) is a sectional view taken along line BB of (a).

FIGS. 6A and 6B are views of the resin molded product (product) removed from the runner, where FIG. 6A is a front view, FIG.
Is a diagram viewed from below.

FIGS. 7A and 7B are views of a resin molded product having a deburring end surface having an arbitrary shape different from that of FIG. 6, wherein FIG. 7A is a front view, FIG. 7B is a view from above, and FIG. FIG.

FIG. 8 is a front view of a deburring tool in which a blade body is formed in a spiral shape in a right column shape different from that of FIG. 4;

9 is a view of the deburring apparatus according to the second embodiment of the present invention as viewed from the side opposite to the front, and is a view showing a cross section taken along line AA in FIG.

FIG. 10 is a side view of the deburring apparatus of the first embodiment.

11 is a view of the deburring apparatus of Embodiment 3 of the present invention viewed from the opposite side of the front, and is a view showing a cross section taken along line AA in FIG.

FIG. 12 is a side view of a deburring apparatus according to a second embodiment.

13 is a view of the deburring apparatus of Embodiment 4 of the present invention viewed from the opposite side of the front, and is a view showing a cross section taken along line AA in FIG.

FIG. 14 is a side view of a deburring apparatus according to a fourth embodiment.

[Explanation of symbols]

 1, 71, 91 Frame 3 Z-axis air cylinder 4 Vertical moving table 6 Front-rear moving table 7 Ball screw 8 Y-axis motor 12, 72 Left-right moving table 13 X-axis air cylinder 15, 65 Upper plate 16 Tool holder 17 Deburring tool 17A Blade part 17B Shank 17b Cutting blade 22 Cross beam 24 Horizontal transfer air cylinder 25 Arm 26A, 26B Elevating air cylinder 27A, 27B Suction plate 35 Jig mounting base 37 Work mounting jig 40 Resin molded product with runner 41 Resin molded product 75 Tool mounting plate 76 Clamp lever 78 Clamp air cylinder

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Yoshinori Fujimura 2-6-1 Marunouchi, Chiyoda-ku, Tokyo Inside Furukawa Electric Co., Ltd. (72) Inventor Yasushi Kihara 2-6-1 Marunouchi, Chiyoda-ku, Tokyo Furukawa Electric Co., Ltd. (58) Field surveyed (Int.Cl. ⁶ , DB name) B29C 37/02

Claims (7)

(57) [Claims] 1. An apparatus for removing burrs protruding from a parting line or a corner of a hole formed on an end face of an injection-molded resin molded product, wherein a peripheral portion of the end face of the resin molded product to be deburred is provided. A restraining member for detachably holding the resin molded product by providing a space in the space, and movably provided in three directions of up, down, front, rear, left and right below the resin molded product held by the restraining member. Tool holding member, and a deburring tool in which a cutting blade is formed on a blade body provided at the tip of a shank portion made of a metal elastic body detachably attached to the tool holding member,
Up / down positioning means for moving the tool holding member up and down to position the cutting edge of the deburring tool at a deburring processing position near an upper end surface of the resin molded product and at a lower standby position; and Pressing and positioning means for moving the tool holding member back and forth or left and right at a processing position and pressing a cutting edge of a deburring tool attached to the tool holding member against an end face of the resin molded product for deburring. Cutting feed means for performing deburring by moving the tool holding member in a direction perpendicular to the pressing direction a set number of times while pressing the cutting edge of the deburring tool against the end face of the resin molded product to be deburred; A deburring device for a resin molded product, comprising: 2. An apparatus for removing burrs protruding from a parting line or a corner of a hole formed on an end surface of an injection-molded resin molded product, the device comprising: a periphery of an end surface of the resin molded product to be deburred. A holding member for detachably holding the resin molded product by providing a space in the space, and movably provided in three directions of up, down, front, rear, left and right above the resin molded product held by the holding member. Tool holding member, and a deburring tool in which a cutting blade is formed on a blade body provided at the tip of a shank portion made of a metal elastic body detachably attached to the tool holding member,
Up and down positioning means for moving the tool holding member up and down to position the position of the cutting edge of the deburring tool at a deburring processing position near the lower end surface of the resin molded product and at an upper standby position; Pressing and positioning means for moving the tool holding member back and forth or left and right at a processing position and pressing a cutting edge of a deburring tool attached to the tool holding member against an end face of the resin molded product for deburring. Cutting feed means for performing deburring by moving the tool holding member in a direction perpendicular to the pressing direction a set number of times while pressing the cutting edge of the deburring tool against the end face of the resin molded product to be deburred; A deburring device for a resin molded product, comprising: 3. An apparatus for removing burrs protruding from a parting line or a corner of a hole formed on an end face of an injection-molded resin molded product, comprising: a tool holding member provided on a frame; A deburring tool detachably attached to a holding member and having a cutting blade formed on a blade body provided at a tip of a shank portion made of a metal elastic body; and the deburring tool attached to the tool holding member A restraining member that is provided movably in three directions of up, down, front, back, left and right above and is provided with a space around an end surface of the resin molded product to be deburred, and that detachably holds the resin product; Up and down positioning means for vertically moving a holding member to position the resin molded product at a deburring position near a cutting blade of the deburring tool on the lower side and an upper standby position, and the deburring position At the front and rear Or left and right end surfaces before Symbol subjected to deburring of the resin molded article which is attached to該拘support member is moved to either of the pressing positioning means for pressing the cutting edge of the deburring tool, the resin molded product Cutting feed means for performing deburring by moving the holding member a set number of times in a direction perpendicular to the pressing direction while the cutting edge of the deburring tool presses the end face to be deburred. Deburring device for resin molded products. 4. An apparatus for removing burrs protruding from a parting line or a corner of a hole formed on an end surface of an injection-molded resin molded product, comprising: a tool holding member provided on a frame; A deburring tool detachably attached to a holding member and having a cutting blade formed on a blade body provided at a tip of a shank portion made of a metal elastic body; and the deburring tool attached to the tool holding member A restraining member that is provided movably in three directions of up, down, front, rear, left and right below and is provided with a space around an end surface of the resin molded product to be deburred and detachably holds the resin product; Up and down positioning means for moving the holding member up and down to position the resin molded product at a deburring position near the cutting blade of the upper deburring tool and at a lower standby position; and the deburring position At the front and rear Or a pressing and positioning means for moving the resin molded product attached to the holding member to one of the left and right sides to press a deburring end face against a cutting blade of the deburring tool; Cutting feed means for performing deburring by moving the holding member in a direction perpendicular to the pressing direction a set number of times in a state in which the cutting edge of the deburring tool presses the end face to be deburred. Deburring device for molded resin products. 5. A cutting blade formed on a blade body portion of a deburring tool, wherein the outside where the cutting blade is formed is flat, and the cutting edge is orthogonal to the axis of operation of the tool feeding means. 5. A plurality of cutting blades formed so as to be inclined with respect to.
The deburring device for a resin molded product according to any one of the above. 6. The cutting blade formed on the blade body of the deburring tool is a plurality of cutting blades formed on the outside where the cutting blade is formed is a right circular cylinder and the cutting edge is formed in a spiral shape. Any one of 4
A deburring device for a resin molded product according to the above item. 7. The apparatus according to claim 1, wherein control means for simultaneously controlling the movement in the front-rear direction and the left-right direction is provided so that the pressing positioning means and the cutting feed means excluding the vertical direction can be simultaneously controlled. The deburring device for a resin molded product according to any one of the above.