CN108637726B - A kind of CNC milling machine General positioning fixture - Google Patents
A kind of CNC milling machine General positioning fixture Download PDFInfo
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- CN108637726B CN108637726B CN201810475391.0A CN201810475391A CN108637726B CN 108637726 B CN108637726 B CN 108637726B CN 201810475391 A CN201810475391 A CN 201810475391A CN 108637726 B CN108637726 B CN 108637726B
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- pedestal
- lead screw
- sliding block
- screw
- support plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
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Abstract
The invention discloses a kind of CNC milling machine General positioning fixtures, relate generally to mechanical manufacturing field.Including pedestal, the bottom of the pedestal is equipped with cavity, middle part in the cavity is equipped with lead screw, one end of the protruding pedestal of lead screw is equipped with splined shaft, the two sides of the lead screw are equipped with inclined shore bar, the inclined shore bar is equipped with sliding block, the lead screw is equipped with screw, the two sides of the screw are equipped with guide rod, the sliding block is equipped with the through hole being adapted with guide rod, the top vertical of the sliding block is equipped with vertical plate, the vertical plate is equipped with fixture block close to the side of lead screw, the bottom symmetrical of the fixture block is equipped with T-type sliding block, the bottom surface of the T-type sliding block and the top surface of sliding block are located in same level, one end between two fixture blocks is equipped with locating piece.The beneficial effects of the present invention are: the Set and Positioning of workpiece can be quickly finished, can be reduced to knife number, avoids squeezing and hurts workpiece, guarantee processing quality, improve working efficiency.
Description
Technical field
The present invention relates to mechanical manufacturing field, specifically a kind of CNC milling machine General positioning fixture.
Background technique
Currently, existing CNC milling machine mostly uses bench vice as universal fixturing, using bench vice by various types of workpiece
It is clamped on the workbench of CNC milling machine and is processed, and existing bench vice often uses one activity folder of a fixing clip
Block completes the clamping of workpiece, and when processing different workpiece, the coordinate system on CNC milling machine is different, before processing different workpieces
It is both needed to carry out to knife, to determine that coordinate system, CNC milling machine occupy a large amount of time to knife, seriously affected working efficiency,
And when with workpiece that the material is soft such as bench vice clamping aluminiums, it is easy to crush workpiece, causes workpiece local deformation, influence to process matter
Amount.
Summary of the invention
It is an object of the invention to solve problems of the prior art, workpiece can be quickly finished by providing one kind
Set and Positioning can be reduced to knife number, avoided squeezing and hurt workpiece, guarantee processing quality, the CNC milling machine for improving working efficiency is logical
Use positioning fixture.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of CNC milling machine General positioning fixture, including pedestal, the bottom at the both ends of the pedestal is equipped with connecting plate, described
Connecting plate is equipped with connecting screw, and the bottom of the pedestal is equipped with cavity, and the middle part in the cavity is equipped with lead screw, the lead screw
It is connect with base rotation and the protruding pedestal in one end of lead screw, one end of the protruding pedestal of lead screw is equipped with splined shaft,
The splined shaft is equipped with the first support plate far from the side of lead screw, and first support plate is equipped with close to the side of pedestal and spline
The adaptable spline housing of axis, the spline housing are slidably connected with splined shaft, and first support plate is set close to the side of spline housing
There is holddown spring, one end of the holddown spring is abutted with the first support plate, and the other end is abutted with pedestal, first support plate
Side far from spline housing is equipped with friction plate, and the friction plate is fixedly connected with the first support plate, and the friction plate is far from first
The side of support plate is equipped with flywheel, and the friction plate is abutted with flywheel, and the flywheel is equipped with motor, institute far from the side of friction plate
It states motor to connect with flywheel, the pedestal is equipped with the mounting rack being adapted with motor, and the two sides of the lead screw are equipped with
Inclined shore bar, the axial line of two inclined shore bars and the axial line of lead screw are located in same level, the inclination
Support rod is minimum close to one end of splined shaft and the distance between lead screw, and the inclined shore bar is equipped with sliding block, the sliding block
It is slidably connected with inclined shore bar, the lead screw is equipped with screw, and the two sides of the screw are equipped with guide rod, on the sliding block
Equipped with the through hole being adapted with guide rod, the guide rod is slidably connected with through hole, and the top vertical of the sliding block is equipped with
Vertical plate, the vertical plate are fixedly connected with a slide block, and the vertical plate is parallel with lead screw, and the vertical plate is equipped with folder close to the side of lead screw
Block, the fixture block are located at the top of pedestal, and the bottom symmetrical of the fixture block is equipped with T-type sliding block, and the top of the pedestal is equipped with and T
The adaptable sliding slot of type sliding block, the sliding slot are connected to cavity, and the bottom surface of the T-type sliding block and the top surface of sliding block are located at same water
In plane, one end between two fixture blocks is equipped with locating piece.
The outer wall of the pedestal be equipped with thread bush, the lead screw pass through thread bush it is protruding, the thread bush it is interior
Diameter is greater than the outer diameter of lead screw, and the thread bush is equipped with the adjusting nut being adapted with holddown spring.
The adjusting nut is equipped with retaining ring close to one end of holddown spring, and the retaining ring is slidably connected with thread bush.
It is inlaid with the first magnet on the vertical plate, the second magnetic being adapted with the first magnet is inlaid on the T-type sliding block
Iron.
The top array of the pedestal is set there are three benchmark column.
The prior art is compared, the beneficial effects of the present invention are:
Guide rod of the invention is inserted through in hole, can prevent screw from rotating, lead screw rotation be able to drive screw along
Lead screw is mobile, and guide rod slides in through hole, while screw is mobile, is able to drive sliding block and moves along inclined shore bar,
While sliding block is moved along inclined shore bar, the distance between two sliding blocks change, and the distance between two sliding blocks become
Hour, T-type sliding block is stirred through vertical plate, the distance between two fixture blocks can be made to become smaller, it can be by piece-holder in two fixture blocks
Between, locating piece provides a positioning datum for workpiece, and two fixture blocks are mobile to center simultaneously, can be between two fixture blocks
Coordinate origin of the intersection point of center line and locating piece as CNC milling machine coordinate system, it is opposite with the coordinate origin of programming coordinates system
It answers, the Set and Positioning of workpiece can be quickly finished, can reduce to knife number, improve working efficiency, utilize flywheel and friction
Frictional force between piece transmits torque, and the extruding force of holddown spring guarantees the torque that can be transmitted between flywheel and friction plate
Size, electric motor starting is able to drive flywheel turns, and flywheel turns are able to drive the rotation of the first support plate, the rotation of the first support plate
It is able to drive lead screw rotation, lead screw rotation is able to drive two fixture blocks movements, can complete the clamping and release of workpiece, work as motor
When the torque of transmitting proposes the size for the torque that can be transmitted greater than holddown spring, flywheel cannot then drive the first support plate to turn again
Dynamic, the position of fixture block is fixed, and can be prevented from squeezing and be hurt workpiece, guarantee processing quality.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention；
Attached drawing 2 is the schematic diagram of internal structure of pedestal；
Attached drawing 3 is the top view of pedestal.
Numbering in the drawing: 1, pedestal；2, connecting plate；3, connecting screw；4, cavity；5, lead screw；6, splined shaft；7, first
Support plate；8, spline housing；9, holddown spring；10, friction plate；11, flywheel；12, motor；13, mounting rack；14, inclined shore bar；
15, sliding block；16, screw；17, guide rod；18, vertical plate；19, fixture block；20, T-type sliding block；21, locating piece；22, thread bush；23,
Adjusting nut；24, retaining ring；25, benchmark column.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
Of the present invention is a kind of CNC milling machine General positioning fixture, including pedestal 1, the bottom at the both ends of the pedestal 1
Equipped with connecting plate 2, the connecting plate 2 is equipped with connecting screw 3, and the present invention is mounted on CNC milling machine by connecting screw 3
On workbench.The bottom of the pedestal 1 is equipped with cavity 4, and the middle part in the cavity 4 is equipped with lead screw 5, the lead screw 5 and pedestal 1
One end of the protruding pedestal 1 in one end of rotation connection and lead screw 5, the protruding pedestal 1 of the lead screw 5 is equipped with splined shaft 6, institute
State splined shaft 6 far from lead screw 5 side be equipped with the first support plate 7, first support plate 7 close to the side of pedestal 1 be equipped with
The adaptable spline housing 8 of splined shaft 6, the spline housing 8 are slidably connected with splined shaft 6, and spline housing 8 can be slided along splined shaft 6,
And torque can be transmitted between spline housing 8 and splined shaft 6.First support plate 7 is equipped with close to the side of spline housing 8 and compresses bullet
Spring 9, one end of the holddown spring 9 are abutted with the first support plate 7, and the other end is abutted with pedestal 1, and first support plate 7 is remote
Side from spline housing 8 is equipped with friction plate 10, and the friction plate 10 is fixedly connected with the first support plate 7, and the friction plate 10 is remote
Side from the first support plate 7 is equipped with flywheel 11, and the friction plate 10 is abutted with flywheel 11, and holddown spring 9 is by the first support plate 7
Push flywheel 11 to, so that friction plate 10 is closely abutted with flywheel 11.The flywheel 11 is equipped with motor far from the side of friction plate 10
12, the motor 12 is sequentially connected with flywheel 11, and motor 12 starts, and is able to drive the rotation of flywheel 11.The pedestal 1 be equipped with
The adaptable mounting rack 13 of motor 12, mounting rack 13 are that motor 12 provides support.Utilize rubbing between flywheel 11 and friction plate 10
Power is wiped to transmit torque, the extruding force of holddown spring 9 guarantees the big of the torque that can be transmitted between flywheel 11 and friction plate 10
Small, the starting of motor 12 is able to drive the rotation of flywheel 11, and the rotation of flywheel 11 is able to drive the rotation of the first support plate 7, the first support plate 7
Rotation is able to drive the rotation of lead screw 5, and the rotation of lead screw 5 is able to drive two movements of fixture blocks 19, can complete clamping and the pine of workpiece
It opens, when the torque that motor 12 transmits, which is greater than holddown spring 9, proposes the size for the torque that can be transmitted, flywheel 11 cannot then drive again
The rotation of first support plate 7, the position of fixture block 19 are fixed, and can be prevented from squeezing and be hurt workpiece, guarantee processing quality.The two of the lead screw 5
Side is equipped with inclined shore bar 14, and the axial line of two inclined shore bars 14 and the axial line of lead screw 5 are located at same level
On face, the inclined shore bar 14 is minimum close to one end of splined shaft 6 and the distance between lead screw 5, the inclined shore bar 14
It is equipped with sliding block 15, the sliding block 15 is slidably connected with inclined shore bar 14, and sliding block 15 can be slided along inclined shore bar 14.
The lead screw 5 is equipped with screw 16, and the two sides of the screw 16 are equipped with guide rod 17, and the sliding block 15 is equipped with and guide rod
17 adaptable through holes, the guide rod 17 are slidably connected with through hole, and guide rod 17 can be slided along through hole.Guide rod
17 are inserted through in hole always, can prevent screw 16 from rotating, and the rotation of lead screw 5 is able to drive screw 16 and moves along lead screw 5, lead
It is slided in through hole to bar 17, while screw 16 is mobile, is able to drive sliding block 15 and is moved along inclined shore bar 14.It is described
The top vertical of sliding block 15 is equipped with vertical plate 18, and the vertical plate 18 is fixedly connected with sliding block 15, and the vertical plate 18 is parallel with lead screw 5,
The vertical plate 18 is equipped with fixture block 19 close to the side of lead screw 5, and the fixture block 19 is located at the top of pedestal 1, the bottom of the fixture block 19
Portion is symmetrically arranged with T-type sliding block 20, and the top of the pedestal 1 is equipped with the sliding slot being adapted with T-type sliding block 20, the sliding slot and cavity
4 connections, the bottom surface of the T-type sliding block 20 and the top surface of sliding block 15 are located in same level, and sliding block 15 is along inclined shore bar
While 14 movement, the distance between two sliding blocks 15 change, when the distance between two sliding blocks 15 become smaller, through vertical plate 18
T-type sliding block 20 is stirred, the distance between two fixture blocks 19 can be made to become smaller, it can be by piece-holder between two fixture blocks 19.
One end between two fixture blocks 19 is equipped with locating piece 21, and locating piece 21 provides a positioning datum, two fixture blocks for workpiece
19 is mobile to center simultaneously, can be using the intersection point of center line and locating piece 21 between two fixture blocks 19 as CNC milling machine coordinate
The coordinate origin of system, it is corresponding with the coordinate origin of programming coordinates system, the Set and Positioning of workpiece, reduction pair can be quickly finished
Knife number improves working efficiency.
In order to be adjusted as needed to the clamping force between even fixture block, the outer wall of the pedestal 1 is equipped with screw thread
Set 22, the lead screw 5 is protruding across thread bush 22, and the internal diameter of the thread bush 22 is greater than the outer diameter of lead screw 5, the screw thread
Set 22, which is equipped with the adjusting nut 23 being adapted with holddown spring 9, can adjust compression by adjusting the position of adjusting nut 23
The original compression amount of spring 9 can adjust holddown spring 9 to extruding force provided by the first support plate 7, can adjust compression bullet
The peak torque that spring 9 can be provided can as needed be adjusted the clamping force between even fixture block.
For the ease of the size of peak torque provided by holddown spring, the adjusting nut 23 is close to holddown spring 9
One end is equipped with retaining ring 24, and the retaining ring 24 is slidably connected with thread bush 22, and holddown spring 9 does not contact directly with adjusting nut 23,
It can be convenient for turning adjusting nut 23, convenient for the size of peak torque provided by holddown spring.
Further, for the ease of the folding of fixture block, the first magnet, the T-type sliding block 20 are inlaid on the vertical plate 18
On be inlaid with the second magnet being adapted with the first magnet, using the suction of the first magnet and the second magnet by vertical plate 18 and T-type
Sliding block 20 is attached together, and T-type sliding block 20 can be made to follow vertical plate 18 mobile, can be convenient for the folding of fixture block.
Further, in order to reduce cost of manufacture of the invention, the top array of the pedestal 1 sets that there are three benchmark columns
25, the top that benchmark column 25 is embedded in pedestal 1 is used as datum level, can reduce the production range of the datum level on pedestal 1,
It can reduce processing and fabricating cost of the invention.
Embodiment: of the present invention is a kind of CNC milling machine General positioning fixture, including pedestal 1, the both ends of the pedestal 1
Bottom be equipped with connecting plate 2, be integrally cast between connecting plate 2 and pedestal 1, be all provided on each connecting plate 2 there are three
The present invention, the work of CNC milling machine is mounted on by connecting screw 3 by connecting screw 3, the mounting hole being adapted with connecting screw 3
On platform.The bottom of the pedestal 1 is equipped with cavity 4, and the middle part in the cavity 4 is equipped with lead screw 5, and the lead screw 5 is rotated with pedestal 1
One end of the protruding pedestal 1 in one end of connection and lead screw 5, the protruding pedestal 1 of the lead screw 5 is equipped with splined shaft 6, splined shaft
6 use integral structure with lead screw 5, and the splined shaft 6 is equipped with the first support plate 7, first support far from the side of lead screw 5
Disk 7 is equipped with the spline housing 8 being adapted with splined shaft 6 close to the side of pedestal 1, and spline housing 8 and the first support plate 7 use integral type
Structure, the spline housing 8 are slidably connected with splined shaft 6, and spline housing 8 can be slided along splined shaft 6, and spline housing 8 and splined shaft 6
Between can transmit torque.First support plate 7 is equipped with holddown spring 9, the holddown spring 9 close to the side of spline housing 8
One end abutted with the first support plate 7, the other end is abutted with pedestal 1, and first support plate 7 is set far from the side of spline housing 8
There is a friction plate 10, the friction plate 10 is fixedly connected by hexagon socket head cap screw with the first support plate 7, and the friction plate 10 is far from the
The side of one support plate 7 is equipped with flywheel 11, and the friction plate 10 is abutted with flywheel 11, and holddown spring 9 pushes the first support plate 7 to
Flywheel 11, so that friction plate 10 is closely abutted with flywheel 11.The flywheel 11 is equipped with motor 12, institute far from the side of friction plate 10
The shaft for stating motor 12 is sequentially connected by connector sleeve and flywheel 11, and motor 12 starts, and is able to drive the rotation of flywheel 11.The bottom
Seat 1 is equipped with the mounting rack 13 being adapted with motor 12, and U-shaped frame can be used in mounting rack 13, is fixed by screws in the outer of pedestal 1
On wall, mounting rack 13 is that motor 12 provides support.Torque is transmitted using the frictional force between flywheel 11 and friction plate 10, is compressed
The extruding force of spring 9 guarantees the size of the torque that can be transmitted between flywheel 11 and friction plate 10, and the starting of motor 12 being capable of band
Dynamic flywheel 11 rotates, and the rotation of flywheel 11 is able to drive the rotation of the first support plate 7, and the rotation of the first support plate 7 is able to drive 5 turns of lead screw
Dynamic, the rotation of lead screw 5 is able to drive two movements of fixture blocks 19, the clamping and release of workpiece can be completed, when the torsion that motor 12 transmits
When square proposes the size for the torque that can be transmitted greater than holddown spring 9, flywheel 11 cannot then drive the first support plate 7 to rotate again, folder
The position of block 19 is fixed, and can be prevented from squeezing and be hurt workpiece, guarantee processing quality.Preferably, spiral shell is welded on the outer wall of the pedestal 1
Line set 22, the lead screw 5 is protruding across thread bush 22, and the internal diameter of the thread bush 22 is greater than the outer diameter of lead screw 5, the spiral shell
Line set 22, which is equipped with the adjusting nut 23 being adapted with holddown spring 9, can adjust pressure by adjusting the position of adjusting nut 23
The original compression amount of tight spring 9, can adjust holddown spring 9 to extruding force provided by the first support plate 7, can adjust compression
The peak torque that spring 9 can be provided can as needed be adjusted the clamping force between even fixture block.The adjusting spiral shell
Mother 23 is equipped with retaining ring 24 close to one end of holddown spring 9, and the retaining ring 24 is slidably connected with thread bush 22, holddown spring 9 not with
Adjusting nut 23 directly contacts, can be convenient for turning adjusting nut 23, convenient for the size of peak torque provided by holddown spring.
The two sides of the lead screw 5 are equipped with inclined shore bar 14, and inclined shore bar 14 is welded in cavity 4, two inclined shores
The axial line of bar 14 and the axial line of lead screw 5 are located in same level, and the inclined shore bar 14 is close to one end of splined shaft 6
The distance between lead screw 5 is minimum, and the inclined shore bar 14 is equipped with sliding block 15, and the sliding block 15 and inclined shore bar 14 are sliding
Dynamic connection, sliding block 15 can be slided along inclined shore bar 14.The lead screw 5 is equipped with screw 16, the two sides of the screw 16
It is equipped with guide rod 17, the sliding block 15 is equipped with the through hole being adapted with guide rod 17, the guide rod 17 and through hole
It is slidably connected, guide rod 17 can be slided along through hole.Guide rod 17 is inserted through in hole always, can prevent 16 turns of screw
Dynamic, the rotation of lead screw 5 is able to drive screw 16 and moves along lead screw 5, and guide rod 17 slides in through hole, and screw 16 moves same
When, it is able to drive sliding block 15 and is moved along inclined shore bar 14.The top vertical of the sliding block 15 is equipped with vertical plate 18, the vertical plate
18 are fixedly connected with sliding block 15, and the vertical plate 18 is parallel with lead screw 5, and the vertical plate 18 is equipped with fixture block 19 close to the side of lead screw 5,
The fixture block 19 is located at the top of pedestal 1, and the bottom symmetrical of the fixture block 19 is equipped with T-type sliding block 20, and the top of the pedestal 1 is set
There is the sliding slot being adapted with T-type sliding block 20, the sliding slot is connected to cavity 4, the bottom surface of the T-type sliding block 20 and the top of sliding block 15
Face is located in same level, and while sliding block 15 is moved along inclined shore bar 14, the distance between two sliding blocks 15 occur
Change, when the distance between two sliding blocks 15 become smaller, stirs T-type sliding block 20 through vertical plate 18, can make between two fixture blocks 19
Distance becomes smaller, can be by piece-holder between two fixture blocks 19.The first magnet is inlaid on the vertical plate 18, the T-type is sliding
The second magnet being adapted with the first magnet is inlaid on block 20, using the suction of the first magnet and the second magnet by vertical plate 18 and
T-type sliding block 20 is attached together, and T-type sliding block 20 can be made to follow vertical plate 18 mobile, can be convenient for the folding of fixture block.Described in two
One end between fixture block 19 is inlaid with locating piece 21, and the top array of the pedestal 1 is set there are three benchmark column 25, and 25, benchmark column
Between two fixture blocks 19, the top that benchmark column 25 is embedded in pedestal 1 is used as datum level, can reduce the base on pedestal 1
The production range in quasi- face can reduce processing and fabricating cost of the invention.Locating piece 21 provides a positioning datum for workpiece, and two
A fixture block 19 is mobile to center simultaneously, can be using the intersection point of center line and locating piece 21 between two fixture blocks 19 as numerical control mill
The coordinate origin of bed coordinate system, it is corresponding with the coordinate origin of programming coordinates system, the Set and Positioning of workpiece can be quickly finished,
It reduces to knife number, improves working efficiency.
Claims (5)
1. the bottom of a kind of CNC milling machine General positioning fixture, including pedestal (1), the both ends of the pedestal (1) is equipped with connecting plate
(2), the connecting plate (2) is equipped with connecting screw (3), it is characterised in that: the bottom of the pedestal (1) is equipped with cavity (4), institute
The middle part stated in cavity (4) is equipped with lead screw (5), and the lead screw (5) is rotatablely connected with pedestal (1) and one end of lead screw (5) is outside
It stretches out pedestal (1), one end of the protruding pedestal of the lead screw (5) (1) is equipped with splined shaft (6), and the splined shaft (6) is far from silk
The side of thick stick (5) is equipped with the first support plate (7), and first support plate (7) is equipped with close to the side of pedestal (1) and splined shaft
(6) adaptable spline housing (8), the spline housing (8) are slidably connected with splined shaft (6), and first support plate (7) is close to flower
The side of key set (8) is equipped with holddown spring (9), and one end of the holddown spring (9) is abutted with the first support plate (7), the other end
It is abutted with pedestal (1), first support plate (7) is equipped with friction plate (10) far from the side of spline housing (8), the friction plate
(10) it is fixedly connected with the first support plate (7), the friction plate (10) is equipped with flywheel far from the side of the first support plate (7)
(11), the friction plate (10) abuts with flywheel (11), and the flywheel (11) is equipped with motor far from the side of friction plate (10)
(12), the motor (12) and flywheel (11) are sequentially connected, and the pedestal (1) is equipped with the mounting rack being adapted with motor (12)
(13), the two sides of the lead screw (5) are equipped with inclined shore bar (14), the axial line and silk of two inclined shore bars (14)
The axial line of thick stick (5) is located in same level, the one end and lead screw (5) of the inclined shore bar (14) close to splined shaft (6)
The distance between minimum, the inclined shore bar (14) be equipped with sliding block (15), the sliding block (15) and inclined shore bar (14)
It is slidably connected, the lead screw (5) is equipped with screw (16), and the two sides of the screw (16) are equipped with guide rod (17), the cunning
Block (15) is equipped with the through hole being adapted with guide rod (17), and the guide rod (17) is slidably connected with through hole, the cunning
The top vertical of block (15) is equipped with vertical plate (18), and the vertical plate (18) is fixedly connected with sliding block (15), the vertical plate (18) and silk
In parallel, the vertical plate (18) is equipped with fixture block (19) close to the side of lead screw (5) to thick stick (5), and the fixture block (19) is located at pedestal (1)
The bottom symmetrical at top, the fixture block (19) is equipped with T-type sliding block (20), and the top of the pedestal (1) is equipped with and T-type sliding block (20)
Adaptable sliding slot, the sliding slot are connected to cavity (4), and the bottom surface of the T-type sliding block (20) and the top surface of sliding block (15) are located at
In same level, one end between two fixture blocks (19) is equipped with locating piece (21).
2. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that: outside the pedestal (1)
Wall is equipped with thread bush (22), and the lead screw (5) is protruding across thread bush (22), and the internal diameter of the thread bush (22) is greater than
The outer diameter of lead screw (5), the thread bush (22) are equipped with the adjusting nut (23) being adapted with holddown spring (9).
3. a kind of CNC milling machine General positioning fixture according to claim 2, it is characterised in that: the adjusting nut (23)
One end close to holddown spring (9) is equipped with retaining ring (24), and the retaining ring (24) is slidably connected with thread bush (22).
4. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that: inlayed on the vertical plate (18)
Embedded with the first magnet, the second magnet being adapted with the first magnet is inlaid on the T-type sliding block (20).
5. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that: the top of the pedestal (1)
Portion's array is set there are three benchmark column (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475391.0A CN108637726B (en) | 2018-05-17 | 2018-05-17 | A kind of CNC milling machine General positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475391.0A CN108637726B (en) | 2018-05-17 | 2018-05-17 | A kind of CNC milling machine General positioning fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108637726A CN108637726A (en) | 2018-10-12 |
| CN108637726B true CN108637726B (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810475391.0A Active CN108637726B (en) | 2018-05-17 | 2018-05-17 | A kind of CNC milling machine General positioning fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968178B (en) * | 2019-03-12 | 2025-02-11 | 华智翔科技(浙江金华)有限公司 | Thermos cup polishing machine force control device |
| CN111113098B (en) * | 2020-02-02 | 2021-02-19 | 德州市鲁冠制动元件股份有限公司 | Positioning mechanism for drilling automobile brake pad |
| CN111251032B (en) * | 2020-04-15 | 2020-10-30 | 东营昶晟精密铸造有限公司 | Clamping device capable of rotating during milling |
| CN112108904B (en) * | 2020-08-25 | 2022-05-20 | 吉安职业技术学院 | Multi-station fixture |
| CN114559241A (en) * | 2022-03-10 | 2022-05-31 | 浙江盈瑞数字科技有限公司 | Device is screwed up to shell of jack |
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|---|---|
| CN108637726A (en) | 2018-10-12 |
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