Plastic part punching processing jig

Abstract

The utility model discloses a kind of plastic part punching processing jigs, including base plate and setting in upper jig main body, cleaning channel is provided on the base plate, and the material punched off falls into cleaning channel;Cleaning assembly is provided on the base plate, and the cleaning assembly includes push plate and the drive device of control push plate along cleaning channel movement, and the drive device can drive push plate and push the part of material punched off along cleaning channel out of cleaning channel.In the scheme, the part cut under material falls into cleaning channel, and when needing cleaning, push plate is driven by drive device to push out material in cleaning channel.

Description

Technical Field

[0001] This utility model belongs to the field of plastic parts processing technology, and in particular relates to a punching and cutting fixture for plastic parts. Background Technology

[0002] In the mass production of plastic parts, punching is often used for trimming. The standard procedure involves installing a fixture on the processing table (T-slot platform) of a punching machine to accommodate the material. After the material is placed on the fixture for positioning, the excess or necessary parts are cut off by a press. The cut-off parts usually fall directly onto the processing table (T-slot platform). To prevent the cut-off parts from accumulating and affecting subsequent punching, they need to be cleaned. Currently, there are no specialized tools for this cleaning in the industry. It usually requires manual sweeping by hand or with a scraper. However, the process of manually reaching into the processing table for cleaning is cumbersome due to limitations in the reach and cleaning range. Therefore, this application designs a processing fixture for plastic parts that require edge trimming during molding, to facilitate the cleaning of the cut-off parts. Utility Model Content

[0003] The purpose of this utility model is to provide a punching fixture for plastic parts to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, one technical solution adopted by this utility model is: a plastic part punching and cutting fixture, including a base plate and an upper fixture body, wherein a cleaning channel is provided on the base plate, and the punched material falls into the cleaning channel; A cleaning assembly is provided on the base plate. The cleaning assembly includes a push plate and a drive device that controls the push plate to move along the cleaning channel. The drive device can drive the push plate to push out the part of the material that has been cut off along the cleaning channel.

[0005] Preferably, two pulleys are rotatably connected to the base plate, and a synchronous belt is installed on the two pulleys. The synchronous belt is connected to the push plate through a connecting block and drives the push plate to move. The base plate is also provided with a guide rail arranged along the cleaning channel direction. A limiting sliding component is connected to the push plate. The limiting sliding component is slidably connected to the guide rail. The guide rail plays a limiting role for the limiting sliding component so that it moves stably along the guide rail. The driving device is used to drive the pulley to move.

[0006] Preferably, the limiting sliding assembly includes a connecting plate 1 and a connecting plate 2 connected to each other. Two sets of horizontally arranged rollers are rotatably connected below the connecting plate 1. The two sets of rollers respectively conform to both sides of the guide rail to form a limit in the horizontal direction. A roller 2 is rotatably connected on the connecting plate 2. The roller 2 is vertically arranged. The guide rail has a limiting guide groove along its length. The roller 2 rolls in the limiting guide groove to form a limit in the vertical direction. The connecting block 1 is connected to the connecting plate 2.

[0007] Preferably, the driving device includes a drive motor.

[0008] Preferably, the driving device includes a gear fixed on the pulley and concentric with the pulley, a limit block fixed on the base plate, a rack meshing on the gear, and the rack being pulled along a fixed direction under the limiting action of the limit block.

[0009] Preferably, a handle is mounted on the rack.

[0010] Preferably, the main body of the fixture is detachably connected to the base plate.

[0011] Preferably, the push plate includes a main board and a telescopic board. After adjusting the splicing length between the main board and the telescopic board, the main board and the telescopic board are fixed together by a fastener.

[0012] The beneficial effects of this utility model are: In this solution, the part of the material cut off falls into the cleaning channel, and when cleaning is required, the material in the cleaning channel can be pushed out by the push plate driven by the drive device; To prevent the push plate from jumping due to the elasticity of the synchronous belt itself, a guide rail and a limit sliding component are provided. This design allows the push plate to clean the cleaning channel smoothly. Among them, the drive motor design can realize electric cleaning, which saves time and effort, while the gear and rack design requires manual pushing and pulling action, and its cost is lower than that of the drive motor. The detachable connection between the fixture body and the base plate allows the base plate to be used with different fixture bodies, while the adjustable push plate can be adapted to the width of the cleaning channel. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model; Figure 3 This is a structural schematic diagram of the base plate and the main body of the fixture in this utility model; Figure 4This is a schematic diagram of the cleaning component and driving device in Embodiment 1 of this utility model; Figure 5 This is a schematic diagram showing the structure and connection relationship of the push plate, the limiting sliding component, and the connecting block 1 of this utility model; Figure 6 This is a schematic diagram showing the structure and connection relationship of the limiting sliding component and the connecting block 1 in this utility model; In the diagram: 1. Base plate; 101. Limiting connection groove; 2. Fixture body; 202. Limiting connection block; 3. Push plate; 31. Main board; 32. Telescopic plate; 4. Pulley; 5. Synchronous belt; 6. Guide rail; 7. Rack; 8. Limiting block; 9. Gear; 10. Limiting rod; 11. Limiting stop; 12. Handle; 13. Connecting block one; 14. Connecting plate two; 15. Connecting plate one; 16. Connecting frame; 17. Long bolt; 18. Roller one; 19. Roller two; 20. Drive motor; 21. Connecting block two. Detailed Implementation

[0014] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention. Example 1

[0015] See Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 A plastic part punching and cutting fixture includes a base plate 1 and an upper fixture body 2. The base plate 1 is provided with a cleaning channel, and the punched material falls into the cleaning channel. A cleaning assembly is provided on the base plate 1. The cleaning assembly includes a push plate 3 and a drive device that controls the push plate 3 to move along the cleaning channel. The drive device can drive the push plate 3 to push out the part of the material that has been punched out of the cleaning channel. It should be noted that this solution is mainly for production operations that punch the edges of materials, so as to reduce the restriction on the position of the cleaning channel. At the same time, during design and installation, it should be ensured that the gap between the push plate and the cleaning channel is less than the thickness of the material.

[0016] The base plate 1 has two pulleys 4 rotatably connected to its side. The two pulleys 4 are equipped with a synchronous belt 5. The synchronous belt 5 is connected to the push plate 3 through a connecting block 13 and drives the push plate 3 to move. The base plate 1 is also fixed with a guide rail 6 arranged along the cleaning channel direction. The exit of the cleaning channel is the worker's standing position. The push plate 3 is connected with a limiting sliding component. The limiting sliding component is slidably connected to the guide rail 6. The guide rail 6 plays a limiting role for the limiting sliding component so that it moves stably along the guide rail 6. The driving device is used to drive the pulley 4 to move. A cleaning channel is formed between one side of the guide rail and one side wall of the fixture body.

[0017] Specifically, the limiting sliding assembly includes a connecting plate 15 and a connecting plate 14. The connecting plate 15 and the connecting block 13 are both fixed to a connecting block 21. The connecting plate 24 is fixed to the connecting block 13, thereby achieving the connection between the four components. Two sets of horizontally arranged rollers 18 are rotatably connected below the connecting plate 15. It is best to set two rollers in each set to ensure stability (only one roller is shown in the figure). The two sets of rollers 18 are respectively attached to both sides of the guide rail 6 to form a limit in the horizontal direction. A roller 29 is rotatably connected to the connecting plate 24. The roller 29 is vertically arranged. The guide rail 6 has a limit guide groove along its length. The roller 29 rolls in the limit guide groove to form a limit in the vertical direction. The connecting block 13 is connected to the connecting plate 24.

[0018] The driving device includes a gear 9 fixed on a pulley 4 and concentric with the pulley 4. A limiting block 8 is fixed on the base plate 1. A rack 7 meshes with the gear 9. The rack 7 is pulled along a fixed direction under the limiting action of the limiting block 8. Specifically, a pulley 4 is rotatably connected to the side of the base plate 1. The synchronous belt 5 also passes through the pulley 4. The pulley 4 also has a gear 9, which is set close to the pulley 4 with another gear 9. The pulley 4 serves two purposes: first, it provides support and improves the stability of the synchronous belt 5; second, it allows the rack 7 to mesh with two gears 9 simultaneously. The limiting block 8 is set below the rack 7 to limit the rack 7 in the width and height (thickness) directions, so that the rack 7 and the gear 9 are effectively connected and do not disengage. The ratio of the diameter of the gear to the diameter of the pulley is preferably 1:3.

[0019] A base plate (not shown) is fixed on the base plate 1. A protective plate is fixed around the base plate to shield the pulley 4 and the timing belt 5, thereby reducing the safety hazards such as contact. A limit block 11 is fixed on the limit guide groove. The limit block 11 blocks the roller 19 to prevent excessive pulling out of the rack 7. The rack 7 is set through the protective plate facing the manual end. A limit rod 10 is fixed on the rack 7. When the rack 7 is pushed in, the limit rod 10 abuts against the baffle to prevent excessive pushing. A handle 12 is installed on the rack 7.

[0020] The fixture body 2 is detachably connected to the base plate 1, which is manifested by a limiting connection groove 101 being opened on the top surface of the base plate 1 and a limiting connection block 202 being fixed on the bottom surface of the fixture body 2. The connection between the two is achieved by inserting the limiting connection block 202 into the limiting connection groove 101.

[0021] The push plate 3 includes a main plate 31 and a telescopic plate 32. After adjusting the splicing length between the main plate 31 and the telescopic plate 32, the main plate 31 and the telescopic plate 32 are fixed together by a fastener. Specifically, a connecting bracket 16 is fixed on the connecting plate 15. The connecting bracket 16 is T-shaped and has two long bolts 17 fixed on it. The main plate 31 has through holes for the long bolts 17 to pass through. The telescopic plate 32 has long grooves. The width of the long grooves should be kept as consistent as possible with the diameter of the long bolts 17 to ensure that the bottom edges of the main plate 31 and the telescopic plate 32 are flush. The main plate 31 is fixed by clamping the main plate 31 and the telescopic plate 32 with nuts. Example 2

[0022] See Figure 2 The overall structure of this embodiment is basically the same as that of the first embodiment. The difference is that the driving device in this embodiment is a drive motor 20. A base plate (not shown) is fixed on the base plate 1. The drive motor 20 is fixed on the base plate. The drive motor 20 drives one of the pulleys 4 to rotate in both directions, thereby controlling the movement of the push plate 3.

[0023] Working principle and process: When in use, the base plate 1 is installed and fixed on the workbench of the punching machine. The corresponding fixture body 2 is selected and installed according to the usage requirements. The part of the material punched off will fall into the cleaning channel. When it is necessary to clean the part of the material punched off, the pulley 4 can be rotated by the drive device. In order to achieve centralized management of the part of the material punched off, a collection cylinder can be set below the outlet of the cleaning channel.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A punching fixture for plastic parts, characterized in that: It includes a base plate (1) and a fixture body (2) provided on the upper fixture. The base plate (1) is provided with a cleaning channel, and the material cut off falls into the cleaning channel. A cleaning assembly is provided on the base plate (1). The cleaning assembly includes a push plate (3) and a drive device that controls the push plate (3) to move along the cleaning channel. The drive device can drive the push plate (3) to push out the part of the material that has been cut off along the cleaning channel.

2. The punching fixture for plastic parts according to claim 1, characterized in that: Two pulleys (4) are rotatably connected to the base plate (1). A synchronous belt (5) is installed on the two pulleys (4). The synchronous belt (5) is connected to the push plate (3) through a connecting block (13) and drives the push plate (3) to move. The base plate (1) is also provided with a guide rail (6) arranged along the cleaning channel direction. A limiting sliding component is connected to the push plate (3). The limiting sliding component is slidably connected to the guide rail (6). The guide rail (6) plays a limiting role for the limiting sliding component so that it moves stably along the guide rail (6). The driving device is used to drive the pulley (4) to move.

3. The punching fixture for plastic parts according to claim 2, characterized in that: The limiting sliding assembly includes a connecting plate one (15) and a connecting plate two (14) connected to each other. Two sets of horizontally arranged rollers one (18) are rotatably connected below the connecting plate one (15). The two sets of rollers one (18) respectively fit against both sides of the guide rail (6) to form a limit in the horizontal direction. A roller two (19) is rotatably connected on the connecting plate two (14). The roller two (19) is vertically arranged. The guide rail (6) has a limiting guide groove along its length direction. The roller two (19) rolls in the limiting guide groove to form a limit in the vertical direction. The connecting block one (13) is connected to the connecting plate two (14).

4. A punching fixture for plastic parts according to claim 2, characterized in that: The driving device includes a drive motor (20).

5. A punching fixture for plastic parts according to claim 2 or 3, characterized in that: The driving device includes a gear (9) fixed on the pulley (4) and concentric with the pulley (4), a limiting block (8) fixed on the base plate (1), a rack (7) meshing on the gear (9), and the rack (7) being pulled along a fixed direction under the limiting action of the limiting block (8).

6. A punching fixture for plastic parts according to claim 5, characterized in that: A handle (12) is installed on the rack (7).

7. A punching fixture for plastic parts according to claim 1, characterized in that: The fixture body (2) is detachably connected to the base plate (1).

8. A punching fixture for plastic parts according to claim 1 or 7, characterized in that: The push plate (3) includes a main plate (31) and a telescopic plate (32). After adjusting the splicing length between the main plate (31) and the telescopic plate (32), the main plate (31) and the telescopic plate (32) are fixed together by a fastener.

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