Jig for machining special-shaped parts on printing machine

Abstract

The utility model relates to the technical field of printing machine part machining equipment, and discloses a jig for machining special-shaped parts on a printing machine, which comprises a machining hollow plate, a support is fixedly connected to the bottom of the machining hollow plate, a rotating plate is rotatably connected to the inner wall of the machining hollow plate, and L-shaped plates are slidably connected to the left side and the right side of the top of the rotating plate. Clamping plates are slidably connected to the adjacent sides of the two L-shaped plates, a plurality of telescopic columns are arranged in the middles of the outer sides of the clamping plates, a plurality of reset springs are fixedly connected to the outer sides of the telescopic columns, and the telescopic columns penetrate through the clamping plates and are rotationally connected with rotating columns. According to the special-shaped part clamping device, the special-shaped part can be clamped by placing the special-shaped part on the rotating plate, starting the first electric telescopic rod to drive the moving block to move, driving the L-shaped plate to clamp the special-shaped part through the pulling plate and deeply rotating and attaching along with clamping, driving the rotating plate to rotate through the rotating column, driving the rotating plate to rotate through the telescopic column to move, enabling the reset spring to stretch out and draw back and driving the rotating plate to rotate through the rotating assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machine parts processing equipment, in particular to a jig for processing special-shaped parts on a printing machine. Background Art

[0002] The components of the printing press contain some special-shaped parts. In order to make the parts fit more accurately, the contact surfaces of the special-shaped parts with other parts need to be fine-machined. However, the fixation of the special-shaped parts during the machining process is challenging. The surface to be machined of the special-shaped parts needs to be facing upwards, and the grinding head needs to be extended to the position of the surface to be ground.

[0003] A search revealed the Chinese patent publication number CN215092191U, which discloses a positioning fixture for a machining center of a large printing press frame machine. The fixture comprises a base clamping component and a vertical plate clamping component; the base clamping component is provided with a first clamp assembly for controlling the base and the vertical plate clamping component to be perpendicular, and a second clamp assembly for fixing the base; the vertical plate clamping component is perpendicular to the base clamping component; the base clamping component is provided with a first power mechanism for driving the vertical plate clamping component to move laterally; a sliding plate is provided on the side of the vertical plate clamping component facing the base clamping component; the vertical plate clamping component is provided with a second power mechanism for driving the sliding plate to rise and fall; a third clamp assembly is provided on both sides of the upper portion of the vertical plate clamping component; and a fourth clamp assembly is provided on both sides of the lower portion of the vertical plate clamping component. This utility model has a simple structure, is easy to operate quickly, has high positioning efficiency, improves work efficiency, and ensures welding accuracy. However, the device does not firmly clamp V-shaped special-shaped parts and cannot grind the required surface well during grinding, which causes inconvenience to the operator. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a jig for processing special-shaped parts on a printing machine, aiming to improve the problems in the prior art that the clamping of V-shaped special-shaped parts is not reliable and the required surface cannot be ground well during grinding.

[0005] The top of the pull plate is respectively rotatably connected to the corresponding L-shaped plate, and the bottom of the processing hollow plate is provided with a rotating plate, and the top and rear sides of the processing hollow plate are slidably connected to the L-shaped plate. The adjacent sides of the two L-shaped plates are slidably connected to the clamping plate. A plurality of telescopic columns are provided in the middle of the outer side of the clamping plate, and a plurality of return springs are fixedly connected to the outer side of the clamping plate. The telescopic column passes through the clamping plate and is rotatably connected to the rotating column. The outer side of the rotating column is rotatably connected to the rotating plate. The middle part of the bottom side of the rotating plate is fixedly connected to an electric telescopic rod 1, and one end of the electric telescopic rod 1 is fixedly connected to a moving block. The left and right sides of the moving block are rotatably connected to a pull plate, and the top of the pull plate is respectively rotatably connected to the corresponding L-shaped plate, and the bottom of the processing hollow plate is provided with a rotating assembly, and the top rear side of the processing hollow plate is provided with a grinding mechanism.

[0006] Through the above technical solution: the special-shaped part to be processed is placed above the rotating plate, and the moving block is driven to move by starting the electric telescopic rod. As the moving block moves, the L-shaped plate and the processing above are driven by the pulling plate to clamp the special-shaped part. During the clamping process, the rotating plate above the clamp will first contact the special-shaped part, and after continuously clamping the special-shaped part, the rotating plate will rotate to fit the special-shaped part. At the same time, the rotating column will also drive the rotating plate to rotate, and as the extrusion continues to deepen, it will drive the telescopic column to move, and then pull the reset spring to expand and contract, and then the rotating plate can be driven to rotate through the rotating assembly to adjust its angle.

[0007] As a further description of the above technical solution:

[0008] The grinding mechanism includes a sliding block, which is slidably connected to the top rear side of the processed hollow plate, and a pull rod is fixedly connected to the rear side of the sliding block. The top of the sliding block is fixedly connected to an electric telescopic rod 2, and one end of the electric telescopic rod 2 is fixedly connected to a T-shaped plate. The middle part of the top of the sliding block is fixedly connected to a limiting guide column, and the outer wall of the limiting guide column passes through the T-shaped plate. The left side of the T-shaped plate is rotatably connected to multiple rotating wheels, and the right side of the T-shaped plate is fixedly connected to a DC motor, and the output end of the DC motor passes through the T-shaped plate and is fixedly connected to the rotating wheel at the top, and grinding belts are provided on the outer sides of the multiple rotating wheels.

[0009] Through the above technical solution: by starting the second electric telescopic rod to drive the T-shaped plate to move, when the grinding belt contacts the surface of the special-shaped part, the DC motor is started to drive the rotating wheel to rotate, and then the grinding belt is driven to grind the special-shaped part. After completing the grinding of one side, the plate is rotated after adjustment, and the sliding block can be driven to move by pulling the pull rod, and its position can be changed to grind the other side.

[0010] As a further description of the above technical solution:

[0011] The rotating assembly includes a servo motor, which is fixedly connected to the bottom of the processed hollow plate. The output end of the servo motor is fixedly connected to a gear. The bottom of the rotating plate is fixedly connected to an arc plate. The top of the arc plate is provided with multiple tooth grooves, and the tooth grooves are meshed with the gears.

[0012] Through the above technical solution: starting the servo motor can drive the rotation of the gear, and then drive the rotating plate to rotate through the meshing connection with the tooth groove.

[0013] As a further description of the above technical solution:

[0014] A limiting column is fixedly connected to the middle of the top end of the rotating plate, and an alarm light is fixedly connected to the top of the limiting guide column.

[0015] Through the above technical solution: the limit column can limit the position of the special-shaped parts, and the alarm light can remind the staff when a fault occurs.

[0016] As a further description of the above technical solution:

[0017] The front and rear sides of the L-shaped plate are both threadedly connected with fastening studs, the front and rear sides of the outer wall of the clamping plate are fixedly connected with buffer plates, and the left and right sides of the top of the rotating plate are both provided with notches, which are respectively slidably connected with the corresponding L-shaped plates.

[0018] Through the above technical solution: the fastening studs can fix the position of the clamping plate, the buffer plate can reduce damage to the surface of the clamped object, and the notch can facilitate the movement of the L-shaped plate.

[0019] As a further description of the above technical solution:

[0020] The front and rear sides of the bottom of the bracket are fixedly connected with rubber pads, and the bottom of the rubber pad is provided with a plurality of anti-slip grooves.

[0021] Through the above technical solution: the rubber pad can reduce the impact on the ground during the processing, and the anti-slip ability of the rubber pad can be improved through the anti-slip groove.

[0022] As a further description of the above technical solution:

[0023] A fixing plate is fixedly connected to the left side of the top of the processed hollow plate, and a warning sign is fixedly connected to the top of the fixing plate.

[0024] Through the above technical solution: the warning sign can remind operators to pay attention to safety.

[0025] As a further description of the above technical solution:

[0026] A dust suction hollow block is provided on the top of the rotating plate, and a dust suction pipe is connected to the front side of the dust suction hollow block, and the outer wall of the dust suction pipe passes through the processed hollow plate.

[0027] Through the above technical solution: the vacuum hollow block and the vacuum tube can clean up the debris generated by grinding.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, by placing the special-shaped part on the rotating plate, starting the electric telescopic rod to drive the moving block to move, the pulling plate drives the L-shaped plate to clamp the special-shaped part. When clamping, the rotating plate first contacts the special-shaped part, and rotates and fits it as the clamping deepens. The rotating column drives the rotating plate to rotate. When the squeezing deepens, the telescopic column moves, the reset spring expands and contracts, and the rotating assembly drives the rotating plate to rotate. The angle is adjusted to complete the clamping of the special-shaped part.

[0030] 2. In the utility model, the T-shaped plate is driven to move by starting the second electric telescopic rod. After the grinding belt contacts the special-shaped part, the DC motor drives the rotating wheel to rotate, driving the grinding belt to grind. After completing one side, the rotating plate is adjusted and the pull rod is pulled to drive the sliding block to move, changing the position to grind the other side. Both sides of the special-shaped part can be polished. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a three-dimensional diagram of a jig for processing special-shaped parts on a printing press proposed by the utility model;

[0032] Figure 2 This is a front view of a jig for processing special-shaped parts on a printing press proposed by the utility model;

[0033] Figure 3 This is a side view of a jig for processing special-shaped parts on a printing press proposed by the utility model;

[0034] Figure 4 This is a top view of a jig for processing special-shaped parts on a printing press proposed by the utility model;

[0035] Figure 5 This is a disassembled diagram of the rotating plate of a jig for processing special-shaped parts on a printing press proposed by the utility model;

[0036] Figure 6 The utility model is a schematic diagram of the clamping plate structure of a jig for processing special-shaped parts on a printing machine.

[0037] Legend:

[0038] 1. Processing hollow plate; 2. Grinding mechanism; 201. Sliding block; 202. Pull rod; 203. Electric telescopic rod 2; 204. T-shaped plate; 205. Limiting guide column; 206. DC motor; 207. Rotating wheel; 208. Grinding belt; 3. Bracket; 4. Rotating plate; 5. Notch; 6. L-shaped plate; 7. Clamp; 8. Telescopic column; 9. Return spring; 10. Rotating column; 11. Rotating plate; 12. Buffer plate; 13. Fastening stud; 14. Servo motor; 15. Gear; 16. Arc plate; 17. Tooth groove; 18. Electric telescopic rod 1; 19. Moving block; 20. Pull plate; 21. Limiting column; 22. Warning light; 23. Rubber pad; 24. Anti-slip groove; 25. Fixed plate; 26. Warning sign; 27. Vacuum tube; 28. Vacuum hollow block. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] Reference Figure 1 、 Figure 5 and Figure 6 The utility model provides an embodiment: a jig for processing special-shaped parts on a printing machine, comprising a processing hollow plate 1, the bottom of the processing hollow plate 1 is fixedly connected to a bracket 3, the inner wall of the processing hollow plate 1 is rotatably connected to a rotating plate 4, the top left and right sides of the rotating plate 4 are slidably connected to L-shaped plates 6, the adjacent sides of the two L-shaped plates 6 are slidably connected to a clamping plate 7, a plurality of telescopic columns 8 are provided on the middle part of the outer side of the clamping plate 7, a plurality of return springs 9 are fixedly connected to the outer side of the telescopic column 8, the telescopic column 8 passes through the clamping plate 7 and is rotatably connected to the rotating column 10, and the outer side of the rotating column 10 is rotatably connected to a rotating plate 11 , the rotating plate 11 and the rotating column 10 can adapt to the appearance of the special-shaped parts; the middle part of the bottom side of the rotating plate 4 is fixedly connected with an electric telescopic rod 18, one end of the electric telescopic rod 18 is fixedly connected with a moving block 19, the left and right sides of the moving block 19 are rotatably connected with pull plates 20, and the tops of the pull plates 20 are respectively rotatably connected with the corresponding L-shaped plates 6. The electric telescopic rod 18 drives the moving block 19 to move, and then drives the pull plates 20 to move, and then drives the L-shaped plate 6 and the clamping plate 7 to clamp the special-shaped parts; a rotating component is provided at the bottom of the processing hollow plate 1, and a grinding mechanism 2 is provided on the rear side of the top of the processing hollow plate 1;

[0041] Specifically, the special-shaped part to be processed is placed above the rotating plate 4, and the moving block 19 is driven to move by starting the electric telescopic rod 18. As the moving block 19 moves, the pull plate 20 drives the L-shaped plate 6 and the processing above to clamp the special-shaped part. During the clamping process, the rotating plate 11 above the clamping plate 7 will first contact the special-shaped part. After continuously clamping the special-shaped part, the rotating plate 11 will rotate to fit the special-shaped part. At the same time, the rotating column 10 will also drive the rotating plate 11 to rotate, and as the extrusion continues to deepen, the telescopic column 8 will move, thereby pulling the reset spring 9 to extend and retract, and then the rotating plate 4 can be driven to rotate through the rotating assembly to adjust its angle.

[0042] Reference Figure 2 、 Figure 3 and Figure 5 The grinding mechanism 2 includes a sliding block 201, which is slidably connected to the top rear side of the processed hollow plate 1. The rear side of the sliding block 201 is fixedly connected to a pull rod 202. The top of the sliding block 201 is fixedly connected to an electric telescopic rod 203. One end of the electric telescopic rod 203 is fixedly connected to a T-shaped plate 204. The middle part of the top of the sliding block 201 is fixedly connected to a limited guide column 205. The outer wall of the limited guide column 205 passes through the T-shaped plate 204. The electric telescopic rod 203 drives the T-shaped plate 204. 4 is moved, and the sliding block 201 is driven to move by the pull rod 202; the left side of the T-shaped plate 204 is rotatably connected to multiple rotating wheels 207, and the right side of the T-shaped plate 204 is fixedly connected to a DC motor 206. The output end of the DC motor 206 passes through the T-shaped plate 204 and is fixedly connected to the top rotating wheel 207. A grinding belt 208 is provided on the outer side of the multiple rotating wheels 207. The DC motor 206 drives the rotating wheels 207 to rotate, thereby driving the grinding belt 208 to grind the special-shaped parts;

[0043] Specifically, the T-shaped plate 204 is driven to move by starting the electric telescopic rod 203. When the grinding belt 208 contacts the surface of the special-shaped part, the DC motor 206 is started to drive the rotating wheel 207 to rotate, thereby driving the grinding belt 208 to grind the special-shaped part. After completing the grinding of one side, the plate 4 is rotated after adjustment. By pulling the pull rod 202, the sliding block 201 can be driven to move, and its position can be changed to grind the other side.

[0044] Reference Figure 1 、 Figure 2 and Figure 5The rotating assembly includes a servo motor 14, which is fixedly connected to the bottom of the processed hollow plate 1. The output end of the servo motor 14 is fixedly connected to a gear 15. The bottom of the rotating plate 4 is fixedly connected to an arc-shaped plate 16. The top of the arc-shaped plate 16 is provided with a plurality of tooth grooves 17. The tooth grooves 17 are meshed with the gear 15. Starting the servo motor 14 can drive the rotation of the gear 15, and then drive the rotating plate 4 to rotate through the meshing connection with the tooth grooves 17; the middle part of the top of the rotating plate 4 is fixedly connected to a limit column 21, and the top of the limit guide column 205 is fixedly connected to an alarm light 22. The limit column 21 can limit the position of the special-shaped part, and the alarm light 22 can remind the staff when a fault occurs;

[0045] Specifically, by starting the servo motor 14, the gear 15 can be driven to rotate, and then through the meshing connection with the tooth groove 17, the rotating plate 4 can be driven to rotate. The position of the special-shaped part can be limited by the limit column 21, and the alarm light 22 can remind the staff when a fault occurs.

[0046] Reference Figure 1 、 Figure 2 and Figure 4 , the front and rear sides of the L-shaped plate 6 are threadedly connected with fastening studs 13, the front and rear sides of the outer wall of the clamping plate 7 are fixedly connected with buffer plates 12, the top and left sides of the rotating plate 4 are provided with notches 5, the notches 5 are respectively slidably connected with the corresponding L-shaped plates 6, the fastening studs 13 can fix the position of the clamping plate 7, the buffer plate 12 can reduce the damage to the surface of the clamped object, and the notch 5 can facilitate the movement of the L-shaped plate 6; the front and rear sides of the bottom of the bracket 3 are fixedly connected with rubber pads 23, and the bottom of the rubber pad 23 is provided with a plurality of anti-slip grooves 24, which can be In order to reduce the impact on the ground during the processing, and the anti-slip ability of the rubber pad 23 can be improved by the anti-slip groove 24; a fixed plate 25 is fixedly connected to the left side of the top of the processing hollow plate 1, and a warning sign 26 is fixedly connected to the top of the fixed plate 25. The warning sign 26 can remind the operator to pay attention to safety; a dust collection hollow block 28 is provided on the top of the rotating plate 4, and a dust collection pipe 27 is connected to the front side of the dust collection hollow block 28. The outer wall of the dust collection pipe 27 passes through the processing hollow plate 1. The dust collection hollow block 28 and the dust collection pipe 27 can clean up the debris generated by grinding;

[0047] Specifically, the position of the clamping plate 7 can be fixed by fastening the studs 13, the damage to the surface of the clamped object can be reduced by the buffer plate 12, the movement of the L-shaped plate 6 can be facilitated by the recess 5, the impact on the ground during processing can be reduced by the rubber pad 23, and the anti-slip ability of the rubber pad 23 can be improved by the anti-slip groove 24. The warning sign 26 can remind the operator to pay attention to safety, and the vacuum hollow block 28 and the vacuum tube 27 can clean the debris generated by grinding.

[0048] Working principle: Before using the device, first, place the special-shaped part to be processed on the top of the rotating plate 4, then start the electric telescopic rod 18 to drive the moving block 19 to move. As the moving block 19 moves, the pulling plate 20 will drive the L-shaped plate 6 and the structure above it to move, and firmly clamp the special-shaped part. During the clamping process, the rotating plate 11 above the clamping plate 7 will give priority to contacting the surface of the special-shaped part. As the clamping force gradually increases, the rotating plate 11 will rotate flexibly to ensure a close fit with the surface of the special-shaped part. At the same time, the rotating column 10 will drive the rotating plate 11 to rotate to adapt to the complex shape of the special-shaped part. In addition, as the extrusion depth increases, the telescopic column 8 will move accordingly and trigger the reset spring 9 The telescopic action ensures the stability and adaptability of the clamping process. Finally, through the rotating assembly, the rotating plate 4 will adjust the angle to meet the precise requirements of the processing angle of the special-shaped part, and through the grinding mechanism 2, by starting the electric telescopic rod 203, the T-shaped plate 204 is driven to move. When the grinding belt 208 is in close contact with the surface of the special-shaped part, the DC motor 206 is started to drive the rotating wheel 207 to rotate, and then drive the grinding belt 208 to perform the grinding operation on the special-shaped part. After completing the grinding task on one side, the position of the rotating plate 4 is adjusted. At this time, by pulling the pull rod 202, the sliding block 201 is driven to move, thereby adjusting its position so that the other side of the special-shaped part can be polished.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A jig for processing special-shaped parts on a printing press, comprising a jig for processing a hollow plate (1), characterized in that: The bottom of the processed hollow plate (1) is fixedly connected to a bracket (3), the inner wall of the processed hollow plate (1) is rotatably connected to a rotating plate (4), the left and right sides of the top of the rotating plate (4) are slidably connected to L-shaped plates (6), the adjacent sides of the two L-shaped plates (6) are slidably connected to a clamping plate (7), a plurality of telescopic columns (8) are provided in the middle of the outer side of the clamping plate (7), a plurality of return springs (9) are fixedly connected to the outer side of the telescopic column (8), and the telescopic column (8) passes through the clamping plate (7) and is rotatably connected to the rotating column (10). The outer side of the rotating column (10) is rotatably connected to a rotating plate (11), the middle part of the bottom side of the rotating plate (4) is fixedly connected to an electric telescopic rod (18), one end of the electric telescopic rod (18) is fixedly connected to a moving block (19), the left and right sides of the moving block (19) are rotatably connected to pull plates (20), the tops of the pull plates (20) are rotatably connected to the corresponding L-shaped plates (6), the bottom of the processed hollow plate (1) is provided with a rotating component, and the rear side of the top of the processed hollow plate (1) is provided with a grinding mechanism (2).

2. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: The grinding mechanism (2) comprises a sliding block (201), wherein the sliding block (201) is slidably connected to the rear side of the top of the processed hollow plate (1), the rear side of the sliding block (201) is fixedly connected to a pull rod (202), the top of the sliding block (201) is fixedly connected to an electric telescopic rod 2 (203), one end of the electric telescopic rod 2 (203) is fixedly connected to a T-shaped plate (204), the middle part of the top of the sliding block (201) is fixedly connected to a limiting guide column (205), the outer wall of the limiting guide column (205) passes through the T-shaped plate (204), the left side of the T-shaped plate (204) is rotatably connected to multiple rotating wheels (207), the right side of the T-shaped plate (204) is fixedly connected to a DC motor (206), the output end of the DC motor (206) passes through the T-shaped plate (204) and is fixedly connected to the rotating wheel (207) at the top, and the outer sides of the multiple rotating wheels (207) are provided with grinding belts (208).

3. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: The rotating assembly comprises a servo motor (14), the servo motor (14) being fixedly connected to the bottom of the processed hollow plate (1), the output end of the servo motor (14) being fixedly connected to a gear (15), the bottom of the rotating plate (4) being fixedly connected to an arc-shaped plate (16), the top of the arc-shaped plate (16) being provided with a plurality of tooth grooves (17), the tooth grooves (17) being meshedly connected to the gear (15).

4. The jig for processing special-shaped parts on a printing press according to claim 2, characterized in that: The middle portion of the top end of the rotating plate (4) is fixedly connected to a limiting column (21), and the top of the limiting guide column (205) is fixedly connected to an alarm light (22).

5. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: The front and rear sides of the L-shaped plate (6) are both threadedly connected to fastening studs (13), the front and rear sides of the outer wall of the clamping plate (7) are both fixedly connected to buffer plates (12), and the left and right sides of the top of the rotating plate (4) are both provided with notches (5), and the notches (5) are respectively slidably connected to the corresponding L-shaped plates (6).

6. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: The front and rear sides of the bottom of the bracket (3) are fixedly connected to rubber pads (23), and the bottom of the rubber pad (23) is provided with a plurality of anti-slip grooves (24).

7. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: A fixing plate (25) is fixedly connected to the left side of the top of the processed hollow plate (1), and a warning sign (26) is fixedly connected to the top of the fixing plate (25).

8. The jig for processing special-shaped parts on a printing press according to claim 1, characterized in that: A dust suction hollow block (28) is provided on the top of the rotating plate (4), and a dust suction pipe (27) is connected to the front side of the dust suction hollow block (28), and the outer wall of the dust suction pipe (27) passes through the processed hollow plate (1).

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