JPH0377033B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Application Field) The present invention relates to a plate processing device that processes a plate using thermal energy, such as a laser processing machine, a plasma jet processing machine, a gas cutting machine, etc. This invention relates to a plate support device.

(Prior Art) For example, some laser processing machines are of a type in which a processing head for performing laser processing is provided in a fixed position and can be adjusted up and down, and a plate material to be processed is moved in the X and Y axis directions. There is also a type in which the processing head is provided movably in the X-axis direction and can be adjusted up and down, and the plate material is provided movably in the Y-axis direction.

In both of the above-mentioned types, since the plate material is processed while being moved, the plate material can be carried into and out of the processing machine relatively easily. However, since the plate material is processed while being moved, there is a problem in that scratches are likely to occur on the lower surface of the plate material.

A type of machine that processes a plate without causing scratches has a configuration in which the plate is supported by a number of needle-shaped support members, and a processing head moves in the X, Y, and Z directions above the plate.

(Problems to be Solved by the Invention) In the above method, since the plate material is processed while being set in a fixed position, there is no scratch on the plate material. It has been difficult to automate the process of bringing in sheets and unloading the processed plates.

(Means for solving the problem) In view of the above-mentioned problems, the present invention provides
A plate material supporting and conveying device in a plate material processing apparatus comprising a cutting head carrier provided movably in the Y-axis direction and a cutting head which processes the plate material using thermal energy and is vertically movable. A beam member extending in the Y-axis direction and provided horizontally at a position below the moving area of the cutting head is supported at both ends of the beam member in the Y-axis direction by a machine stand, and both sides of the beam member in the X-axis direction are provided. A plurality of sprockets are provided at a distance in the Y-axis direction on a plurality of rotating shafts that are rotatably supported by a plurality of chain belts that are freely movable in the X-axis direction passing through the upper and lower portions of the beam members. Each of the chain belts is provided with a plurality of needle-shaped first supports that are provided around each sprocket and horizontally support the plate material to be processed by the cutting head above the beam member. Rotating bodies are provided at the tips of a large number of second supports that are movable up and down on the beam member between them, and when the second supports move upward, the rotating bodies move from the tips of the first supports. The structure is such that it rises and supports the plate material in a movable manner.

In addition, plate material support is provided in a plate material processing device in which a cutting head carrier that is provided movably in the X-axis and Y-axis directions is provided with a cutting head that processes the plate material using thermal energy and is movable up and down. In the conveying device, a beam member extending in the Y-axis direction and provided horizontally at a position below the moving area of the cutting head is provided with both ends of the beam member in the Y-axis direction supported by a machine stand, respectively. A plurality of first sprockets are provided at a distance in the Y-axis direction on a plurality of rotary shafts rotatably supported on both sides of the X-axis direction, and the sprockets are freely movable in the X-axis direction passing through the upper and lower portions of the beam members. A plurality of first chain belts are provided to extend around each of the first sprockets, and a needle-shaped first chain belt horizontally supports the plate material to be processed by the cutting head above the beam member.
A large number of supports are provided on each of the first chain belts, and a rotary body is provided at the tip of a large number of second supports that are provided between each of the first chain belts so that the beam member can freely move up and down. When the second support moves upward, the rotating body rises from the tip of the first support to support the plate material in a movable manner, and when the second support is in a descending state, the rotating body moves upward from the tip of the first support. A second chain belt that can cover the upper part and can be opened freely is provided on the beam member so as to be able to run freely in the X-axis direction, and the first chain belt and the second chain belt are driven to run in the X-axis direction simultaneously or individually. It is equipped with a traveling drive device for the purpose of doing so.

(Embodiment) FIGS. 1, 2, and 3 show 3 of the workpiece support and conveyance device 3 of the laser cutting machine 1 which is an embodiment of the present invention.
It is a front view.

To express it more precisely, the upper half shown in FIGS. 1 and 3 shows the cutting head 5 of the laser cutting machine 1, which is controlled numerically in the X, Y, and Z axes by a control panel (not shown). This is a tool guide section 7 that moves under control.

Similarly, the lower half shown in FIGS. 1 and 3 corresponds to the plate material supporting and conveying device 3.

First, on the machine bases 9 and 11 at both ends of the Y-axis direction, there is a first carriage 19 that rides on rails 13 and 15 provided in the X-axis direction and is driven by a lead screw 17 and can be moved and positioned in the X-axis direction. An auxiliary carriage 21 is provided.

The first carriage 19 and the auxiliary carriage 21
The moving platform 23 that connects the rails 2 in the Y-axis direction
5 and 27, and a cutting head carrier 31 which rides on these rails 25 and 27 and is driven by a lead screw 29 and can be moved and positioned in the Y-axis direction is provided.

A carry-in table 33 that supports the workpiece is provided below the right side in the X-axis direction (right side in FIGS. 1 and 2), and a magnet roller 35 that absorbs the workpiece and carries it in the left direction; For non-magnetic materials, a pinch roller 37 is mounted and accessible above the magnet roller 35.

A groove portion 39 is provided in a portion of the carrying table 33 described above.
A gripping claw device 43 that is driven by the circulation chain 41 in the X-axis direction is provided therein.

The above-described gripping claw device 43 grips the end of the workpiece carried from the carry-in table 33 onto the second support, which will be described later, and the working area of the workpiece gripping and retracting device 45 shown in FIG. Pull it back to position.

Then, the gripping claw device 43 is released, and the gripping and retracting device 45 allows the gripping claw device 43 to
The Y-axis reference stepped portion of the gripping and fixing device 47 that can be raised and lowered, and the reference stopper 4 provided on the loading table 33.
9 and the adjacent edges of the workpiece are brought into contact with each other.

Next, FIGS. 4, 5, 6, and 7 will also be introduced to explain the plate material support and conveyance device 3 in more detail.

As can be understood from Figures 1 and 3, the machine 9
and 11 and a beam member 51 in the Y-axis direction supported at both ends.
is provided. Furthermore, as seen in Figure 1,
For example, chain belts 53 and 55 of two types, wide and narrow, each having a plane whose total area is slightly larger than the area of movement of the cutting head 5, are passed above and below the beam member 51. It is provided so that it can move freely in the X-axis direction. That is, chain belt 53,5
5 is provided so as to be wound around four shafts 57, 59, 61, and 63 in the left, right, top, and bottom, which are provided at both ends of the beam member 51 in the X-axis direction.

As is clear from FIG. 7, the wide chain belt 53 with multiple threads is connected to the chain 6 which is engaged with a sprocket 67 fixed to the upper right shaft 61 with a key 65.
It is pivoted to a connecting pin 9 (not shown).

This chain 69 freely rotates on the lower right shaft 63 via a ball bearing 71, and the chain belt 53 is provided approximately half the length of the entire circulation chain 69.

Further, the wide chain belt 53 has an appropriate number of needle-shaped first supports 73 planted on the opposite side of the chain 69, and horizontally supports the workpiece being cut by laser on the top, for example. The first support body 73 when unloading
moves with the movement of.

Furthermore, as is clear from Figs. 5 and 6, the chain 6
Chain 6 is installed in the upper and lower horizontal parts of circulation path 9.
The chain guide plate 75 that prevents the chain guide plate 75 from hanging due to the weight of the chain belt 53, etc.
They are attached above and below the axial beam 51.

As shown in FIGS. 2, 4, 5, and 7, a narrow chain belt 55 is provided between the plurality of wide chain belts 53 described above.

The narrow chain belt 55 is pivotally attached to a connecting pin (not shown) of a chain 81 that meshes with a sprocket 79 fixed to a lower right shaft 63 with a key 77.

This chain 81 freely rotates on the upper right shaft 61 via a ball bearing 83, and the chain belt 55 is provided approximately half the length of the entire circulation chain 81.

Below the upper surface of the beam member 51, a plurality of shafts 85 shaped like, for example, square pipes are provided so as to be swingable around their axes.

As shown in Figure 4, the machine base 11 on the lower left of Figure 4
A worm shaft 89 rotated by an electric motor 87 provided in
extends to the right along the machine base 11.

This worm shaft 89 drives a worm wheel (not shown) provided at one end of the square pipe-shaped shaft 85 to move a large number of second supports 91 implanted on one outer surface of the shaft 85 into a narrow chain. It is provided so as to be vertically movable so as to protrude upward from the gap occupied by the belt 55.

As shown in an enlarged view in FIG. 6, the above-mentioned second support body 91 is a rod-shaped support fixed to a square pipe-shaped shaft 85, and is provided with a freely rotating body 93 such as a free ball bearing at the top.

When the second support body 91 is erected and moved upward, the free rotating body 93 at the top of the above-mentioned first support body 7
It rises to a slightly higher position than the top of 3 and supports the plate horizontally.

When the narrow chain belt 55 described above is in a state where the second support body 91 is laid down and lowered, the narrow chain belt 55
The second support 91 covers the upper part of the support 91 to prevent slugs and the like from falling onto the free rotating body 93 while the workpiece is supported by the first support 73 and subjected to laser processing. It moves upwards to cover it.

Shown in the upper part of FIG. 5 is a detection device 95 that detects the swing of the square pipe-shaped shaft 85 described above.

As shown on the right side of Figure 4, this implementation order includes the first
Two large and small power outputs that move the wide chain belt 53 on which the support body 73 is installed individually or simultaneously.
Two electric motors 97 and 99 are provided.

As is clear from FIGS. 7 and 8, the output of the high-output motor 97 is transmitted to the upper right shaft 61 via the sprocket 101. The chain 69, the wide chain belt 53, and the first support body 73 are driven through the key 65.

If the clutch 103 provided on the output shaft of the large output motor 97 is turned on, the output from the motor 97 is transmitted to the lower right shaft 63 via the sprocket 105. Therefore, via the key 77, the chain 81
Since the chain belt 55 is also moved, the narrow chain belt 55 is driven simultaneously with the wide chain belt 53 in the same direction and at the same speed.

The clutch 107 provided on the output shaft of the electric motor 99
When turned on, the output of the electric motor 99 is transmitted to the lower right shaft 63 via the sprocket 109.

Therefore, only the chain 81 and the narrow chain belt 55 are driven via the key 77.

Note that in the laser cutting machine 1 of this embodiment,
A laser beam from a laser oscillation device (not shown) is finally irradiated vertically downward from the cutting head 5 via a first mirror 111, a second mirror 113, and a third mirror 115.

The cutting head 5 then moves from the lower left position shown in FIG. 9 to the upper right position, and further descends from the height position shown in FIG. 10 to near the top surface of the workpiece.

This device includes a first mirror 111 to a second mirror 11.
3, and the second section from the second mirror 113 to the third section.
The second section up to the mirror 115 and the third mirror 11
A telescopic cover 117 is provided over the entire third section from the cutting head 5 to the top of the cutting head 5.

The telescopic cover 117 is made by stacking thin tubes like a telescope barrel to surround the outer periphery of the laser beam and to be able to expand and contract to protect people and objects from abnormal beam irradiation. It prevented the damage from occurring.

Since the present embodiment is constructed as described above, even large objects such as heavy and rigid metal plates can be automatically carried in and positioned without causing scratches on the plate materials.

Furthermore, the support of the processed material was changed to a large number of needle-like supports,
If slug is prevented from adhering to the support body, which has a rotating body on the top, when the workpiece is carried in, the processing head can be moved and positioned by numerical control.

After processing is completed, the fixation of the workpiece is released, and the product or skeleton and slug can be carried out by simultaneously moving two types of chain belts.

(Effects of the Invention) As can be understood from the description of the embodiments described above, the present invention provides a cutting head carrier 31 provided movably in the X-axis and Y-axis directions.
A plate material supporting and conveying device in a plate material processing apparatus is provided with a cutting head 5 that processes a plate material using thermal energy and is movable up and down.
Both ends in the Y-axis direction of a beam member 51 extending in the Y-axis direction and provided horizontally at a position below the moving area of the cutting head 5 are connected to the machine bases 9 and 11, respectively.
A plurality of sprockets are provided spaced apart in the Y-axis direction on a plurality of rotating shafts rotatably supported on both sides of the beam member 51 in the X-axis direction, and A plurality of chain belts 53 that can freely travel in the X-axis direction through the sprockets are provided so as to be wound around each of the sprockets, and the plate material processed by the cutting head 5 is connected to the beam member 51.
Each chain belt 53 is provided with a large number of needle-shaped first supports 73 that are horizontally supported above, and the beam member 51 is provided between each of the chain belts 53.
A rotating body 93 is provided at the tip of a large number of second supports 91 that are provided to be vertically movable, and the rotating body 93 rises above the tip of the first support 73 when the second support 91 moves upward. The structure is such that the plate is movably supported.

Further, a plate material processing apparatus is provided in which a cutting head carrier 31 provided movably in the X-axis and Y-axis directions is provided with a cutting head 5 which processes a plate material using thermal energy and is movable up and down. In the plate material supporting and conveying device, both ends of a beam member 51 in the Y-axis direction, which is provided horizontally and extending in the Y-axis direction at a position below the moving area of the cutting head 5, are supported on machine bases 9 and 11, respectively. A plurality of first sprockets are provided at a distance in the Y-axis direction on a plurality of rotating shafts rotatably supported on both sides of the beam member 51 in the X-axis direction, and the beam member 5
A plurality of first chain belts 53 are provided so as to pass through the upper and lower parts of the first sprocket and run freely in the X-axis direction. Member 51
Each first chain belt 53 is provided with a large number of needle-shaped first supports 73 that are horizontally supported above;
A rotating body 93 is provided at the tip of a large number of second supports 91 provided between each of the first chain belts 53 so that the beam member 51 can move up and down, and when the second support 91 moves upward, The rotating body 93 is configured to rise from the tip of the first support 73 to movably support the plate material, and the second support 93
A second chain belt 55 that can freely cover and open the upper part of the second support body 91 when the first chain belt 53 is in a lowered state is provided on the beam member 51 so as to be able to run freely in the X-axis direction. A traveling drive device is provided to drive the second chain belt 55 and the second chain belt 55 simultaneously or individually in the X-axis direction.

Therefore, according to the present invention, by moving the second support body 91 upward and supporting the plate material by the rotating body 93 provided at the tip of the second support body 91, the needle-shaped first support body The plate material can be slightly lifted from 73, and the plate material is movably supported. When the second support 91 is lowered, the first support 73 supports the plate horizontally.

Therefore, by raising the second support body 91, the rotary body 93 can support the plate material in a movable manner, and the plate material can be carried in easily.

Furthermore, after the processing is completed, the first support body 73 can be moved in the X-axis direction by driving the chain belt 53, and the processed plate material supported by the first support body 73 can be carried out. can be easily carried out.

Furthermore, the second chain belt 55 can also cover the upper part of the second support body 91 in the lowered state, and can protect the second support body 91 during processing of the plate material.

[Brief explanation of drawings]

FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a left side view of FIG. 1, and FIG.
The figure is a plan view of only the workpiece support and conveyance device which is the lower half of figure 1, figure 5 is an enlarged plan view of the main part of figure 4, and figure 6 is an elevational view of figure 5. , FIG. 7 is a left side view of FIG. 4, FIG. 8 is an explanatory diagram of driving two types of chains, FIG. 9 is an explanatory plan view of the telescopic cover, and FIG. 10 is an elevational view of the same. (Explanation of symbols representing main parts of the drawings), 3...Plate material support and conveyance device, 5...Cutting head, 5
3... Chain belt (wide), 55... Chain belt (narrow width), 73... First support body, 91... Second support body, 93... Freely rotating body.

Claims (1)

[Scope of Claims] 1. A cutting head carrier 31 provided movably in the X-axis and Y-axis directions is provided with a cutting head 5 that processes plate materials using thermal energy and is movable up and down. In this plate material supporting and conveying device in a plate material processing apparatus, both ends in the Y-axis direction of a beam member 51 extending in the Y-axis direction and provided horizontally at a position below the movement area of the cutting head 5 are connected to the machine base 9. , 11, and rotatably supported on both sides of the beam member 51 in the X-axis direction.
A plurality of chain belts 53, which are spaced apart in the axial direction and can run freely in the X-axis direction passing through the upper and lower parts of the beam member 51, are provided so as to be wound around each of the sprockets. Each chain belt 53 is provided with a large number of needle-shaped first supports 73 that horizontally support the plate material to be processed above the beam member 51.
A rotary body 93 is provided at the tip of a large number of second supports 91 which are vertically movably provided on the beam member 51 between them, and when the second support body 91 moves upward, the rotary body 93 rotates between the first and second supports 91. A plate material supporting and conveying device in a plate material processing apparatus using thermal energy, characterized in that the plate material is supported movably by rising from the tip of a support body 73. 2. A plate material processing device in which a cutting head carrier 31, which is movable in the X-axis and Y-axis directions, is provided with a cutting head 5, which processes the plate material using thermal energy, and is movable up and down. In the supporting and conveying device, both ends in the Y-axis direction of a beam member 51 extending in the Y-axis direction and provided horizontally at a position below the moving area of the cutting head 5 are supported on machine stands 9 and 11, respectively. A plurality of first sprockets are provided at a distance in the Y-axis direction on a plurality of rotating shafts that are rotatably supported on both sides of the beam member 51 in the X-axis direction, and pass through the upper and lower portions of the beam member 51. A plurality of first chain belts 53, which are movable in the X-axis direction, are provided so as to be wound around each of the first sprockets.
A large number of needle-shaped first supports 73 are provided on each of the first chain belts 53 to horizontally support the plate material to be processed by the beam member 51 above the beam member 51. Beam member 5
A rotary body 93 is provided at the tip of a large number of second supports 91 that are vertically movable in the first support body 1, and when the second support body 91 moves upward, the rotary body 93 is moved from the tip of the first support body 73. A second chain belt 55 is configured to rise and movably support the plate material, and is able to cover and open the upper part of the second support body 91 when the second support body 91 is in the descending state.
is provided on the beam member 51 so as to be freely movable in the X-axis direction,
The first chain belt 53 and the second chain belt 5
5 simultaneously or individually in the X-axis direction.