Cam mechanism with protection function

Abstract

The cam mechanism with the protection function comprises a workbench, strip-shaped plates are fixedly connected to the front end and the rear end of the bottom side of the workbench correspondingly, fixing rods are fixedly connected to the four corners of the sides, close to each other, of the two strip-shaped plates correspondingly, and a supporting plate is fixedly connected to the middle of the rear side of one strip-shaped plate; and a driving assembly is fixedly connected to the top side of the supporting plate, a first connecting column is fixedly connected to the exterior of the driving assembly, an opening block is fixedly connected to the top end of the rear side of one strip-shaped plate, a disc sleeve is fixedly connected to the exterior of the driving assembly, and a second limiting column is fixedly connected to the exterior of the driving assembly. According to the utility model, the die track can descend in advance, no impact is generated between the die track and the upper die plate, the punching noise is reduced, when a product is misplaced, as the die track is pressed down in advance and the positioning is changed to the lower die, the product misplacement is judged in advance before the die is pressed down, and the damage of the die and the product is prevented.

Description

Technical Field

[0001] The present application relates to the technical field of cam mechanisms, and in particular to a cam mechanism with a protective function. Background Art

[0002] A protective cam mechanism is typically designed to protect equipment or personnel within a mechanical system. Through design and installation, this cam mechanism can prevent operators or external objects from coming into contact with hazardous or moving parts while the machine is in operation, thereby reducing the risk of accidents and injuries.

[0003] In order to ensure that the mold and the product will not be damaged during extrusion, the mold needs to be buffered and reset.

[0004] The Chinese patent document announcement number is CN205183532U, and the title is "Inner buckle forming die belongs to the field of die device, which solves the problem that ordinary stamping dies cannot meet the stamping requirements of right-angle inner buckles, resulting in collapsed angles at the inner buckles. The technical solution adopted is as follows: it includes an upper die base and a lower die base, an upper pressing block is fixedly arranged below the upper die base, and the shape of the bottom surface of the upper pressing block is adapted to the outer surface of the product, a lower clamping plate is arranged above the lower die base, a lower stripping plate is movably arranged above the lower clamping plate, and a mother mold driving block is fixedly arranged on the lower clamping plate. A forming mother mold is provided on the outer side of the mother mold driving block, and the top surface of the forming mother mold is adapted to the inner side surface of the product. A forming punch is provided on the outer side of the forming mother mold, and the top surface of the forming punch is adapted to the inner buckle of the product. The patent completes the entire stamping process by buckling the product on the forming mother mold and the lower stripping plate, and the upper mold base is driven by the punch press to move downward, and the upper pressure block moves downward with the upper mold base, and the upper pressure block is buckled on the outer side surface of the product. As the upper mold base continues to move downward, the forming mother mold and the lower stripping plate move along the mother mold driving block with the upper mold base, thereby completing the entire stamping process.

[0005] Although the above utility model patent can realize stamping of the mold, after the upper mold base is pushed downward, the upper pressure block is driven to move downward, and then after it contacts the product, as the pressure increases, the mother mold drive block is driven. However, the stamping process will cause damage to the mold and the product. Therefore, in response to the above shortcomings, a cam mechanism with a protective function is proposed. Summary of the Invention

[0006] The purpose of this application is to provide a cam mechanism with a protective function to improve the problem in the prior art of directly stamping the mold and causing damage to the product and the mold due to pressure.

[0007] The cam mechanism with protective function provided in this application is used to adopt the following technical solutions:

[0008] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip, and the toothed connecting strip is cooperatively connected with said toothed connecting gear.

[0009] By adopting the above technical solution, the turntable is used to drive the rotating block to push the fixed plate to make reciprocating motion up and down, thereby pushing the connecting plate to move, and then driving the sliding rod to drive the mold track to descend in advance. The product misalignment is judged in advance before the mold is pressed down, preventing damage to the mold and the product.

[0010] Optionally, the top sides of the multiple sliding rods are fixedly connected to two L-shaped plates, the far ends of the two L-shaped plates are fixedly connected to a hook-shaped plate, the adjacent sides of the two hook-shaped plates are fixedly connected to a mold rail, the middle part of the top side of the workbench is fixedly connected to a support table, the left and right ends of the support table are fixedly connected to two limit blocks, the top side of the support table is fixedly connected to a square frame, the top side of the square frame is fixedly connected to the mold plate, the top rear part of the workbench is fixedly connected to a vertical plate, the top side of the vertical plate is fixedly connected to a square plate, the inner wall of the square plate is fixed with a power assembly, the four corners of the drive assembly are fixedly connected to fixing rods, and the left side of the power assembly is fixedly connected to a square block.

[0011] By adopting the above technical solution, multiple limit blocks are used to limit the width of the material to prevent deviation during the processing process, which may cause errors when the cylinder pushes the upper mold to punch the material under a series of pushes.

[0012] Optionally, the side of the square block is fixedly connected to a connecting block, the side of the connecting block is fixedly connected to an upper template, the left side of the workbench is fixedly connected to a loading mechanism, and the right side of the workbench is fixedly connected to a unloading mechanism.

[0013] By adopting the above technical solution, the square block is used to drive the connecting block to drive the upper mold to punch the material, and the loading mechanism and the unloading mechanism are used to operate automatically.

[0014] Optionally, the driving assembly includes a motor, a lower side of the motor is fixedly connected to the top side of the support plate, and a driving end of the motor is fixedly connected to a rotating shaft.

[0015] By adopting the above technical solution, the support plate fixes the motor, so that the motor can stably drive the rotating shaft to rotate after being driven.

[0016] Optionally, the plurality of reset assemblies each include a sleeve, the exterior of the sleeve is fixedly connected to the exterior of the sliding rod, and the bottom side of the sleeve is fixedly connected to a spring.

[0017] By adopting the above technical solution, the spring can be compressed when the sliding rod drives the sleeve to slide, so that the spring can store elastic potential energy and then give the stamping a force in the opposite direction.

[0018] Optionally, the power assembly includes a cylinder, the exterior of the cylinder is fixedly connected to the inner wall of the square plate, and the driving end of the cylinder is fixedly connected to a docking platform.

[0019] By adopting the above technical solution, the cylinder is fixed to the inner wall of the square plate, so that the connecting platform can be pushed up and down after the cylinder is driven.

[0020] Optionally, the exterior of the rotating shaft is fixedly connected to the inner wall of the disc sleeve, and the exterior of the disc sleeve is rotatably connected to the inner wall of the opening block.

[0021] By adopting the above technical solution, the disc sleeve is driven to rotate when the rotating shaft rotates, and the disc sleeve is restricted by the inner wall of the opening block.

[0022] Optionally, the bottom sides of the multiple springs are fixedly connected to the front and rear ends of the top sides of the two connecting plates, and the exteriors of the multiple fixing columns are slidably connected to the inner walls of the front and rear ends of the two connecting plates.

[0023] By adopting the above technical solution, when the fixed column slides, the spring fixed on the top of the connecting plate will be compressed to store elastic potential energy.

[0024] In summary, the present application includes the following beneficial technical effects of a cam mechanism having at least a protective effect:

[0025] 1. The protective cam mechanism provided by the utility model can make the mold track descend in advance through the mutual cooperation of the motor, rotating shaft, connecting column, opening block, disc sleeve and other structures, so as to avoid impact with the upper mold plate and reduce punching noise. When the product is misaligned, the mold track is pressed down in advance and the positioning is corrected and moved to the lower mold. The product misalignment is judged in advance before the mold is pressed down, preventing damage to the mold and product. Compared with the existing technology, it avoids direct stamping on the mold, which may cause damage to the mold and product.

[0026] 2. The protective cam mechanism provided by the utility model uses a limit plate to limit the product, thereby preventing deviation during the stamping process and preventing unqualified products from being stamped out due to mold deviation;

[0027] 3. The cam mechanism with protective function provided by the utility model utilizes the loading mechanism and the unloading mechanism to enable automatic loading and unloading without manual operation;

[0028] 4. The cam mechanism with protective function provided by the utility model utilizes the spring to compress and has the effect of resetting, and cooperates with the turntable to further absorb the force generated during punching. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a three-dimensional diagram of the cam mechanism with protective function proposed by the utility model;

[0030] Figure 2 This is a schematic diagram of the support plate structure of the cam mechanism with protective function proposed by the utility model;

[0031] Figure 3 This is a schematic diagram of the sliding rod structure of the cam mechanism with protective function proposed by the utility model;

[0032] Figure 4 This is a schematic diagram of the vertical plate structure of the cam mechanism with protective function proposed by the utility model;

[0033] Figure 5 This is a schematic diagram of the support structure of the cam mechanism with protective function proposed by the utility model;

[0034] In the figure, 1. workbench; 2. strip plate; 3. fixing rod; 4. support plate; 5. motor; 6. rotating shaft; 7. connecting column 1; 8. opening block; 9. disc sleeve; 10. limiting column 2; 11. turntable; 12. sliding rod; 13. sleeve column; 14. spring; 15. fixing column; 16. connecting plate; 17. fixing plate; 18. L-shaped plate; 19. hook plate; 20. mold track; 21. supporting platform; 22. limiting block; 23. square frame; 24. mold plate; 25. vertical plate; 26. square plate; 27. cylinder; 28. connecting platform; 29. ​​fixing rod; 30. square block; 31. connecting block; 32. upper template; 33. loading mechanism; 34. unloading mechanism; 35. rotating block. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1 - Attachment Figure 5 , further details of this application are given.

[0036] Cam mechanism with protective function, see Figure 1 - Figure 3 , including a workbench 1, providing a stable working platform, the front and rear ends of the bottom side of the workbench 1 are fixedly connected with strip plates 2, which are used to provide support force for the support plate 4, and the four corners of the adjacent side of the two strip plates 2 are fixedly connected with fixing rods 3, and the two strip plates 2 are connected together by the fixing rods 3 to form a stable whole, and the middle part of the rear side of one of the strip plates 2 is fixedly connected with a support plate 4 for fixing a motor 5, and the top side of the support plate 4 is fixedly connected with a driving assembly, which includes a motor 5, a driving source, and the lower side of the motor 5 is fixedly connected to the top side of the support plate 4, so that the motor 5 can operate stably, and the driving end of the motor 5 is fixed The rotating shaft 6 is fixedly connected, and the rotating shaft 6 is rotated by the driving motor 5. The outside of the driving component is fixedly connected to the connecting column 1 7. The top end of the rear side of one strip plate 2 is fixedly connected to the opening block 8 for limiting the outer coat of the disc sleeve 9. The outside of the driving component is fixedly connected to the disc sleeve 9, and the disc sleeve 9 is driven to rotate by the driving component. The outside of the rotating shaft 6 is fixedly connected to the inner wall of the disc sleeve 9, and the outside of the disc sleeve 9 is rotatably connected to the inner wall of the opening block 8. The outside of the driving component is fixedly connected to the limiting column 2 10, and the front end of the driving component is fixedly connected to the turntable 11. The limiting column 2 10 and the turntable are driven by the driving component. 11 rotates together, and in turn limits the driving assembly. The four corners of the workbench 1 are slidably connected to the sliding rod 12. The sliding rod 12 can slide vertically through the limitation of the workbench 1. A reset assembly is provided at the bottom end of the sliding rod 12. Multiple reset assemblies include a sleeve column 13. The outside of the sleeve column 13 is fixedly connected to the outside of the sliding rod 12. The sleeve column 13 is driven to slide up and down by the movement of the sliding rod 12. The bottom side of the sleeve column 13 is fixedly connected to a spring 14. The bottom side of the reset assembly is fixedly connected to a fixed column 15. The outside of multiple reset assemblies is slidably connected to a connecting plate 16. The bottom sides of multiple springs 14 are respectively fixed The fixing columns 15 are connected to the front and rear ends of the top sides of the two connecting plates 16. By fixing the two sides of the spring 14, the spring 14 can be evenly stressed. The outsides of the multiple fixing columns 15 are slidably connected to the inner walls of the front and rear ends of the two connecting plates 16. The fixing columns 15 are restricted by the connecting plates 16 so that they can slide vertically, and the fixing columns 15 can just fit inside the connecting plates 16. The bottom sides of the two connecting plates 16 are fixedly connected with a fixing plate 17, which is pushed to reciprocate up and down by the connecting plate 16. The inner wall of the turntable 11 is fixedly connected with a rotating block 35, which is driven to rotate by the turntable 11.

[0037] Reference Figure 1 、 Figure 4 and Figure 5, the top sides of the multiple sliding rods 12 are fixedly connected to two L-shaped plates 18, so that the sliding rods 12 or the L-shaped plates 18 can drive each other after being subjected to force, and the far ends of the two L-shaped plates 18 are fixedly connected to a hook-shaped plate 19, which then drives the hook-shaped plate 19 to move together, and the adjacent sides of the two hook-shaped plates 19 are fixedly connected to the mold rail 20, and the middle part of the top side of the workbench 1 is fixedly connected to a support table 21, further providing a stable working platform, and the left and right ends of the support table 21 are fixedly connected to two limit blocks 22, which are used to limit the width of the material to prevent the material from deviating, and the top side of the support table 21 is fixedly connected to a square frame 23, and the top side of the square frame 23 is fixedly connected to a mold plate 24, further providing support for the mold plate 24, and the top rear side of the workbench 1 is fixedly connected to a vertical plate 25, which is used to provide support for the square plate 26, and the top side of the vertical plate 25 is fixedly connected There is a square plate 26 for fixing the cylinder 27. The inner wall of the square plate 26 is fixed with a power assembly. The power assembly includes a cylinder 27 and a driving source. The outside of the cylinder 27 is fixedly connected to the inner wall of the square plate 26, so that the cylinder 27 can be stable and intelligent. The driving end of the cylinder 27 is fixedly connected to the connecting platform 28, which drives the connecting platform 28 to slide up and down by driving the cylinder 27. The four corners of the driving assembly are fixedly connected with a fixed rod 29. The outer side of the power assembly is fixedly connected to a square block 30, and the outer side of the square block 30 is fixedly connected to a connecting block 31. The connecting block 31 is driven to punch up and down by the square block 30. The outer side of the connecting block 31 is fixedly connected to an upper template 32, which then drives the upper template 32 to punch the material. The left side of the workbench 1 is fixedly connected to a loading mechanism 33 for automatic loading, and the right side of the workbench 1 is fixedly connected to a unloading mechanism 34 for automatic unloading.

[0038] The implementation principle of the embodiment of the present application is as follows: the material is transported to the top side of the mold track 20 by the feeding mechanism 33, and the rotating shaft 6 is driven to rotate by the starting motor 5, thereby driving the disc sleeve 9 to rotate and limit the inner wall of the opening block 8, and then driving the turntable 11 to rotate. The rotating block 35 fixed on the inner wall of the turntable 11 will push the fixed plate 17 to make a reciprocating motion up and down when rotating, and then drive the connecting plate 16 to make a reciprocating operation, and the sliding rod 12 at the top is pulled by pulling the fixed column 15 to drive the material downward to prevent the mold track 20 from pushing the sliding rod 12 to slide on the inner wall of the workbench 1 after being forced, and then push the sleeve column 13 to slide downward and squeeze the sleeve column 13, and the barrel will also push the fixed column 15 to slide on the inner wall of the connecting plate 16, and the size of the fixed column 15 can be locked on the inner wall of the connecting plate 16, and the elastic potential energy is stored after the sleeve column 13 is compressed, and the mold and the product are prevented from being damaged under the cooperation of each other;

[0039] After the mold track 20 is lowered in advance, the cylinder 27 on the inner wall of the square plate 26 is activated, and then the connecting platform 28 is pushed to slide downward, thereby pushing the square block 30 to slide downward, thereby pushing the upper template 32 to punch the material, and the upper mold has no impact and the punching noise is reduced.

[0040] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. A cam mechanism with a protective function, comprising a workbench (1), characterized in that: The front and rear ends of the bottom side of the workbench (1) are fixedly connected to strip plates (2), the four corners of the adjacent sides of the two strip plates (2) are fixedly connected to fixing rods (3), the middle part of the rear side of one of the strip plates (2) is fixedly connected to a support plate (4), the top side of the support plate (4) is fixedly connected to a driving assembly, the outside of the driving assembly is fixedly connected to a connecting column (7), the top end of the rear side of one of the strip plates (2) is fixedly connected to an opening block (8), the outside of the driving assembly is fixedly connected to a disc sleeve (9), and the driving assembly is fixedly connected to the drive assembly. The external part of the moving component is fixedly connected to a limiting column (10), the front end of the driving component is fixedly connected to a turntable (11), the four corners of the workbench (1) are slidably connected to sliding rods (12), the bottom end of the sliding rod (12) is provided with a reset component, the bottom side of the reset component is fixedly connected to a fixed column (15), the external parts of the multiple reset components are slidably connected to a connecting plate (16), the bottom sides of two connecting plates (16) are fixedly connected to a fixed plate (17), and the inner wall of the turntable (11) is fixedly connected to a rotating block (35).

2. The cam mechanism with protective function according to claim 1, characterized in that: The top sides of the plurality of sliding rods (12) are fixedly connected to two L-shaped plates (18), the far ends of the two L-shaped plates (18) are fixedly connected to hook-shaped plates (19), the adjacent sides of the two hook-shaped plates (19) are fixedly connected to a mold track (20), the middle part of the top side of the workbench (1) is fixedly connected to a support platform (21), the left and right ends of the support platform (21) are fixedly connected to two limit blocks (22), the top side of the support platform (21) is fixedly connected to a square frame (23), the top side of the square frame (23) is fixedly connected to a mold plate (24), the rear part of the top side of the workbench (1) is fixedly connected to a vertical plate (25), the top side of the vertical plate (25) is fixedly connected to a square plate (26), the inner wall of the square plate (26) is fixedly connected to a power assembly, the four corners of the drive assembly are fixedly connected to fixed rods (29), and the side of the power assembly is fixedly connected to a square block (30).

3. The cam mechanism with protective function according to claim 2, characterized in that: The side of the square block (30) is fixedly connected to a connecting block (31), the side of the connecting block (31) is fixedly connected to an upper template (32), the left side of the workbench (1) is fixedly connected to a loading mechanism (33), and the right side of the workbench (1) is fixedly connected to a unloading mechanism (34).

4. The cam mechanism with protective function according to claim 1, characterized in that: The driving assembly comprises a motor (5), the lower side of the motor (5) is fixedly connected to the top side of the support plate (4), and the driving end of the motor (5) is fixedly connected to a rotating shaft (6).

5. The cam mechanism with protective function according to claim 2, characterized in that: The plurality of reset assemblies each comprise a sleeve column (13), the exterior of the sleeve column (13) being fixedly connected to the exterior of the sliding rod (12), and the bottom side of the sleeve column (13) being fixedly connected to a spring (14).

6. The cam mechanism with protective function according to claim 2, characterized in that: The power assembly comprises a cylinder (27), the exterior of the cylinder (27) is fixedly connected to the inner wall of the square plate (26), and the driving end of the cylinder (27) is fixedly connected to a connection platform (28).

7. The cam mechanism with protective function according to claim 4, characterized in that: The outside of the rotating shaft (6) is fixedly connected to the inner wall of the disc sleeve (9), and the outside of the disc sleeve (9) is rotatably connected to the inner wall of the opening block (8).

8. The cam mechanism with protective function according to claim 5, characterized in that; The bottom sides of the plurality of springs (14) are respectively fixedly connected to the front and rear ends of the top sides of the two connecting plates (16), and the outsides of the plurality of fixing columns (15) are respectively slidably connected to the front and rear inner walls of the two connecting plates (16).

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