Chain wheel punching device

Abstract

The utility model relates to the technical field of chain wheel machining, and discloses a chain wheel punching device which comprises a bottom plate, two supporting legs are fixedly connected to the lower surface of the bottom plate, a protective shell is fixedly connected to the upper surface of the bottom plate, a driving motor is fixedly installed on the side surface of the protective shell, a sliding groove is formed in the inner wall of the protective shell, and the driving motor drives the sliding groove to rotate. The output end of the driving motor is fixedly connected with a two-way screw rod, the end, away from the driving motor, of the two-way screw rod is rotationally connected with the inner wall of the sliding groove, the surface of the two-way screw rod is in threaded connection with two sliding blocks, the sliding blocks are slidably connected with the inner wall of the sliding groove, and the front surfaces of the sliding blocks are fixedly connected with a sliding plate; and the sliding plate is slidably connected with the inner wall of the protective shell, the sliding plate is slidably connected with the upper surface of the bottom plate, and the side surface of the sliding plate is fixedly connected with a V-shaped rubber block. And chain wheels of different specifications and sizes are limited and fixed, and the chain wheels can be prevented from deviating and shaking during punching operation.

Description

Technical Field

[0001] The utility model relates to the technical field of sprocket processing, in particular to a sprocket punching device. Background Art

[0002] A sprocket is a wheel with cog-shaped sprocket teeth, which is used to mesh with blocks with accurate pitch on link chains or cables. It is a solid or spoked gear that meshes with a chain to transmit motion. Sprockets can be divided into motorcycle sprockets, electric vehicle sprockets, bicycle sprockets and automobile sprockets according to their different uses. During the production process of motorcycle sprockets, it is necessary to use a punching device to punch out mounting holes for connecting the shaft rod.

[0003] The utility model document with the application patent number CN202222508796.4 discloses a device for punching holes in motorcycle sprockets, and relates to the technical field of sprocket production equipment. The utility model includes a frame, a stamping upper die, a placement die, a sliding plate, and two fixed rods. The stamping upper die is hydraulically driven to slide vertically on the frame, the placement die is arranged on the frame and a placement groove with a stepped structure is provided on the frame, and a discharge hole connected to the placement groove is provided on the frame, and the two fixed rods are fixed vertically on the frame and symmetrically distributed, and the sliding plate is arranged horizontally and slidably sleeved on the two fixed rods. When punching holes in a motorcycle sprocket blank, the utility model can realize the automatic separation of the motorcycle sprocket blank and the stamping upper die, and the staff does not need to manually remove the motorcycle sprocket blank from the stamping upper die. The operation is convenient and time-saving, which brings convenience to the staff and improves production efficiency, so it is more practical.

[0004] The above application document proposes a device for punching holes in motorcycle sprockets. When punching holes in the sprockets, due to the different sizes of the sprockets, it is necessary to limit the sprockets of different sizes to prevent the sprockets from shifting and shaking during the punching process. Based on this, further improvements are needed for the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a sprocket punching device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sprocket punching device, comprising a base plate, the lower surface of the base plate is fixedly connected to two supporting legs, the upper surface of the base plate is fixedly connected to a protective shell, the side surface of the protective shell is fixedly installed with a driving motor, the inner wall of the protective shell is provided with a sliding groove, the output end of the driving motor is fixedly connected to a bidirectional screw rod, the end of the bidirectional screw rod away from the driving motor is rotatably connected to the inner wall of the sliding groove, the surface of the bidirectional screw rod is threadedly connected to two sliding blocks, the sliding blocks are slidably connected to the inner wall of the sliding groove, the front surface of the sliding block is fixedly connected to a sliding plate, the sliding plate is slidably connected to the inner wall of the protective shell, the sliding plate is slidably connected to the upper surface of the base plate, and the side surface of the sliding plate is fixedly connected to a V-shaped rubber block, and the V-shaped rubber block can be used to limit and fix sprockets of different specifications and sizes.

[0007] In a preferred embodiment of the utility model, a through hole is provided on the upper surface of the base plate, a collection drawer is slidably connected between the support legs, an input end of the collection drawer corresponds to an output end of the through hole, a pull-out handle is fixedly connected to the front surface of the collection drawer, and waste can be collected and processed using the collection drawer.

[0008] In a preferred embodiment of the utility model, a servo motor is fixedly installed on the side surface of the protective shell, a movable groove is opened on the lower surface of the inner top wall of the protective shell, a threaded rod is fixedly connected to the output end of the servo motor, an end of the threaded rod away from the servo motor is rotatably connected to the inner wall of the movable groove, a movable block is threadedly connected to the surface of the threaded rod, the movable block is slidably connected to the inner wall of the movable groove, an electric push rod is fixedly installed on the lower surface of the movable block, and the top end of the electric push rod is slidably connected to the lower surface of the inner top wall of the protective shell.

[0009] In a preferred embodiment of the utility model, a clamping groove is provided inside the bottom end of the electric push rod, a punching head is clamped at the bottom end of the electric push rod, the top end of the punching head is fixedly connected to a fixing block, a mounting groove is provided on the side surface of the fixing block, a limiting spring is fixedly connected to the inner wall of the mounting groove, one end of the limiting spring is fixedly connected to the clamping block, and the punching head can be clamped to the bottom end of the electric push rod by means of the clamping block.

[0010] In a preferred embodiment of the utility model, the inner wall of the clamping groove is slidably connected to a sliding rod, one end of the sliding rod is fixedly connected to an extrusion block, the end of the sliding rod away from the extrusion block is fixedly connected to a limiting block, and the surfaces of the clamping block and the extrusion block are both inclined structures.

[0011] Beneficial Effects

[0012] The utility model provides a sprocket punching device, which has the following beneficial effects:

[0013] 1. The sprocket punching device is provided with a bidirectional screw and a sliding plate, and a driving motor is used to drive the bidirectional screw to rotate, so that the two sliding blocks are contracted or relaxed, and then the sliding plate is contracted or relaxed following the sliding blocks, and V-shaped rubber blocks are used to limit and fix sprockets of different sizes, thereby realizing limit and fixation of sprockets of different specifications and sizes, which can prevent the sprocket from deviating and shaking during the punching operation, improve the stability of the device, and facilitate the use of the staff.

[0014] 2. The sprocket punching device, by setting a clamping block and an extrusion block, uses a sliding rod to push the extrusion block, so that the extrusion block squeezes the clamping block, and then the clamping block squeezes the limit spring, the limit spring contracts, and then the punching head can be replaced, thereby realizing the replacement of the punching head, facilitating the use of the staff, and thereby improving the use range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the utility model from a first stereoscopic viewing angle;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in a front section;

[0017] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a schematic diagram of the structure of the utility model in top section;

[0019] Figure 5 It is a structural schematic diagram of the second stereoscopic viewing angle of the utility model.

[0020] In the figure: 1. bottom plate; 2. protective shell; 3. driving motor; 4. bidirectional screw rod; 5. sliding block; 6. sliding plate; 7. V-shaped rubber block; 8. collecting drawer; 9. pull-out handle; 10. servo motor; 11. threaded rod; 12. moving block; 13. electric push rod; 14. punching head; 15. fixed block; 16. limit spring; 17. clamping block; 18. sliding rod; 19. extrusion block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a sprocket punching device, including a bottom plate 1, the lower surface of the bottom plate 1 is fixedly connected to two supporting legs, the upper surface of the bottom plate 1 is fixedly connected to a protective shell 2, the side surface of the protective shell 2 is fixedly installed with a driving motor 3, the inner wall of the protective shell 2 is provided with a sliding groove, the output end of the driving motor 3 is fixedly connected to a bidirectional screw rod 4, the end of the bidirectional screw rod 4 away from the driving motor 3 is rotatably connected to the inner wall of the sliding groove, the surface of the bidirectional screw rod 4 is threadedly connected to two sliding blocks 5, the sliding blocks 5 are slidably connected to the inner wall of the sliding groove, and the front surface of the sliding block 5 is fixedly connected to a sliding plate 6. The sliding plate 6 is slidably connected to the inner wall of the protective shell 2, and the sliding plate 6 is slidably connected to the upper surface of the bottom plate 1. The side surface of the sliding plate 6 is fixedly connected with a V-shaped rubber block 7. The driving motor 3 is used to drive the bidirectional screw rod 4 to rotate, so that the two sliding blocks 5 are contracted or relaxed, and then the sliding plate 6 follows the sliding block 5 to contract or relax. The V-shaped rubber block 7 is used to limit and fix sprockets of different sizes, so that the sprockets of different specifications and sizes can be limited and fixed, which can prevent the sprocket from shifting and shaking during the punching operation, improve the stability of the device, and facilitate the use of the staff.

[0023] A through hole is provided on the upper surface of the base plate 1, and a collection drawer 8 is slidably connected between the supporting legs. The input end of the collection drawer 8 corresponds to the output end of the through hole. A pull-out handle 9 is fixedly connected to the front surface of the collection drawer 8. A servo motor 10 is fixedly installed on the side surface of the protective shell 2, and a movable groove is provided on the lower surface of the inner top wall of the protective shell 2.

[0024] A threaded rod 11 is fixedly connected to the output end of the servo motor 10, and one end of the threaded rod 11 away from the servo motor 10 is rotatably connected to the inner wall of the movable groove. A movable block 12 is threadedly connected to the surface of the threaded rod 11, and the movable block 12 is slidably connected to the inner wall of the movable groove. An electric push rod 13 is fixedly installed on the lower surface of the movable block 12, and the top end of the electric push rod 13 is slidably connected to the lower surface of the inner top wall of the protective shell 2. A clamping groove is opened inside the bottom end of the electric push rod 13, and a punching head 14 is clamped at the bottom end of the electric push rod 13.

[0025] A fixing block 15 is fixedly connected to the top of the punching head 14, and a mounting groove is provided on the side surface of the fixing block 15. A limiting spring 16 is fixedly connected to the inner wall of the mounting groove, and one end of the limiting spring 16 is fixedly connected to a clamping block 17. A sliding rod 18 is slidably connected to the inner wall of the clamping groove, and one end of the sliding rod 18 is fixedly connected to an extrusion block 19. The end of the sliding rod 18 away from the extrusion block 19 is fixedly connected to the limiting block. The surfaces of the clamping block 17 and the extrusion block 19 are both inclined structures. The sliding rod 18 is used to push the extrusion block 19, so that the extrusion block 19 extrudes the clamping block 17, and then the clamping block 17 extrudes the limiting spring 16, and the limiting spring 16 contracts, so that the punching head 14 can be replaced, thereby realizing the replacement of the punching head 14, facilitating the use of the staff, and thereby improving the use range of the device.

[0026] Working principle: First, the staff places the sprocket on the upper surface of the bottom plate 1, starts the drive motor 3, and the drive motor 3 drives the bidirectional screw 4 to rotate, so that the two sliding blocks 5 are contracted or relaxed, and then the sliding plate 6 slides with the sliding block 5, and the sprockets of different sizes are limited and fixed by the V-shaped rubber block 7 to prevent the deviation and shaking when the sprocket is punched. The servo motor 10 is started, and the servo motor 10 drives the threaded rod 11 to rotate, so that the moving block 12 moves, and then drives the electric push rod 13 to move, and the position of the electric push rod 13 is adjusted, and the sliding rod is used 18 pushes the extrusion block 19, so that the extrusion block 19 extrudes the clamping block 17, and then the clamping block 17 extrudes the limit spring 16, so that the limit spring 16 contracts, and the punching head 14 can be replaced, which is convenient for the staff to use. The electric push rod 13 is started, and the electric push rod 13 pushes the punching head 14, so that the punching head 14 punches the sprocket, and then the waste is transported to the inside of the collection drawer 8 through the through hole. The collection drawer 8 can be pulled out by the pull-out handle 9, and the waste inside it can be processed, which is convenient for the staff to use.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sprocket punching device, comprising a bottom plate (1), the lower surface of the bottom plate (1) being fixedly connected to two supporting legs, characterized in that: The upper surface of the base plate (1) is fixedly connected to the protective shell (2), the side surface of the protective shell (2) is fixedly installed with a driving motor (3), the inner wall of the protective shell (2) is provided with a sliding groove, the output end of the driving motor (3) is fixedly connected to a bidirectional screw rod (4), the end of the bidirectional screw rod (4) away from the driving motor (3) is rotatably connected to the inner wall of the sliding groove, the surface of the bidirectional screw rod (4) is threadedly connected to two sliding blocks (5), the sliding blocks (5) are slidably connected to the inner wall of the sliding groove, the front surface of the sliding block (5) is fixedly connected to a sliding plate (6), the sliding plate (6) is slidably connected to the inner wall of the protective shell (2), the sliding plate (6) is slidably connected to the upper surface of the base plate (1), and the side surface of the sliding plate (6) is fixedly connected to a V-shaped rubber block (7).

2. A sprocket punching device according to claim 1, characterized in that: A through hole is provided on the upper surface of the bottom plate (1); a collection drawer (8) is slidably connected between the support legs; an input end of the collection drawer (8) corresponds to an output end of the through hole; and a pull-out handle (9) is fixedly connected to the front surface of the collection drawer (8).

3. A sprocket punching device according to claim 2, characterized in that: A servo motor (10) is fixedly mounted on the side surface of the protective shell (2), and a movable groove is provided on the lower surface of the inner top wall of the protective shell (2).

4. A sprocket punching device according to claim 3, characterized in that: The output end of the servo motor (10) is fixedly connected to a threaded rod (11); one end of the threaded rod (11) away from the servo motor (10) is rotatably connected to the inner wall of the movable groove; a moving block (12) is threadedly connected to the surface of the threaded rod (11); and the moving block (12) is slidably connected to the inner wall of the movable groove.

5. A sprocket punching device according to claim 4, characterized in that: An electric push rod (13) is fixedly mounted on the lower surface of the moving block (12), and the top end of the electric push rod (13) is slidably connected to the lower surface of the inner top wall of the protective shell (2).

6. A sprocket punching device according to claim 5, characterized in that: A clamping groove is provided inside the bottom end of the electric push rod (13), and a punching head (14) is clamped at the bottom end of the electric push rod (13).

7. A sprocket punching device according to claim 6, characterized in that: The top end of the punching head (14) is fixedly connected to a fixing block (15), a side surface of the fixing block (15) is provided with a mounting groove, an inner wall of the mounting groove is fixedly connected to a limit spring (16), and one end of the limit spring (16) is fixedly connected to a clamping block (17).

8. A sprocket punching device according to claim 7, characterized in that: The inner wall of the clamping groove is slidably connected to a sliding rod (18), one end of the sliding rod (18) is fixedly connected to an extrusion block (19), one end of the sliding rod (18) away from the extrusion block (19) is fixedly connected to a limiting block, and the surfaces of the clamping block (17) and the extrusion block (19) are both inclined structures.

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