Stamping die for plastic product processing

Abstract

The utility model discloses a stamping die for processing plastic products, which comprises a base, a lower die plate is fixedly mounted at the top of the base, an upper die plate is arranged at the top of the lower die plate and is connected with an external stamping driving component, a stamping seat is fixedly mounted in the middle of the lower die plate, and the stamping seat is connected with the stamping driving component. A punch is fixedly installed at the bottom of the upper die plate, sliding rods are arranged on the two sides of the punch, the tops of the sliding rods penetrate through the upper die plate and are in sliding connection with the upper die plate, the bottom ends of the sliding rods are fixedly connected with an L-shaped frame, and a spring is arranged on the top of the L-shaped frame. The L-shaped frame and the pressing plates are mounted at the bottom of the sliding rod, so that the two pressing plates can be driven to tightly press the two sides of a plastic thin plate in the descending process of the upper die plate, deformation of the plastic thin plate is effectively avoided, the stamping stability of the device in the stamping process is improved, and the error rate of stamping forming of plastic products is reduced.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, and specifically to a stamping die for processing plastic products. Background Technology

[0002] Stamping refers to a processing and forming method that uses a press and dies to apply external force to sheet metal, strip metal, tube metal, and profile metal, causing plastic deformation or separation, thereby obtaining workpieces (stamped parts) of the required shape and size. In the processing and production of many plastic products, in order to increase production speed, plastic raw materials are usually made into thin sheets, and the plastic sheets are stamped using corresponding stamping dies, after which other production processes can be carried out.

[0003] The existing technology has the following shortcomings: the existing plastic stamping die assembly lacks an effective pressing device for plastic sheets. Because plastic sheets have good toughness, they are very easy to wrinkle or deform near the forming contour during stamping, which greatly reduces the product qualification rate and has certain limitations. Utility Model Content

[0004] The purpose of this invention is to provide a stamping die for processing plastic products, so as to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stamping die for processing plastic products, comprising a base, a lower template fixedly mounted on the top of the base, an upper template mounted on the top of the lower template, the upper template being connected to an external stamping drive component, a punch seat fixedly mounted in the middle of the lower template, a punch fixedly mounted on the bottom of the upper template, sliding rods on both sides of the punch, the top of the sliding rods penetrating the upper template and slidably connected to it, an L-shaped frame fixedly connected to the bottom end of the sliding rods, and a [missing information - likely a design feature or feature] on the top of the L-shaped frame. A spring is sleeved on the outside of the slide rod. A pressure plate is provided at the bottom of the L-shaped frame. An adjusting screw is rotatably connected to the inner side wall of the L-shaped frame. A protruding plate is fixedly connected to the outer side of the top of the pressure plate. The top of the protruding plate is slidably connected to the inner wall of the top of the L-shaped frame. The end of the adjusting screw away from the L-shaped frame passes through the protruding plate and is threadedly connected to the protruding plate. Limiting posts are provided on both sides of the top of the lower template. Sliding grooves are opened on both sides of the lower template. A fastening bolt is threadedly connected to the bottom of the limiting post. The bottom end of the fastening bolt passes through the sliding groove and is slidably connected to the sliding groove.

[0006] Preferably, each of the L-shaped frames has two slide bars at the top, and the two slide bars are located at the two ends of the L-shaped frame respectively.

[0007] Preferably, the number of adjusting screws inside each L-shaped frame and the number of protruding plates on the top of the pressure plate are both set to two.

[0008] Preferably, the base has a material drop hole in the middle and an automatic conveyor belt assembly is installed at the bottom of the base.

[0009] Preferably, a dovetail clip is fixedly connected to the inner wall of the top of the L-shaped frame, and the top of the convex plate is slidably engaged with the dovetail clip.

[0010] Preferably, positioning sleeves are fixedly installed at the four top corners of the lower template, and positioning holes are provided inside the positioning sleeves. Positioning pins are fixedly installed at the four top corners of the bottom of the upper template, and the positioning pins are slidably connected to the positioning holes of the positioning sleeves.

[0011] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0012] This invention features sliding rods on both sides of the upper template, with L-shaped brackets and pressure plates installed at the bottom of the sliding rods. As the upper template descends, the two pressure plates press firmly against both sides of the plastic sheet, effectively preventing deformation. The left and right positions of the pressure plates can be adjusted by rotating the adjusting screw, ensuring they are close to the stamping contour during pressing and effectively clamping the plastic sheet. Simultaneously, limiting posts are installed on both sides of the lower template. By adjusting the position of these posts and fixing them with tightening bolts, plastic sheets of different widths can be guided and limited. This significantly improves the stamping stability of the device, reduces the error rate in plastic product stamping, and greatly enhances the adaptability and practicality of the device. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This utility model Figure 1 A magnified view of the local structure.

[0016] Figure 3 This is the right view of the present invention.

[0017] Figure 4This utility model Figure 3 Enlarged view of the structure of part A.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Base; 2. Lower template; 3. Upper template; 4. Punch seat; 5. Punch head; 6. Slide bar; 7. L-shaped frame; 8. Spring; 9. Pressure plate; 10. Adjusting screw; 11. Protruding plate; 12. Limiting post; 13. Fastening bolt; 14. Slide groove; 15. Positioning sleeve; 16. Positioning pin; 17. Material drop hole; 18. Automatic conveyor belt assembly; 19. Dovetail clip. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] This utility model provides, for example Figure 1-4 The stamping die shown includes a base 1, a lower template 2 fixedly mounted on the top of the base 1, an upper template 3 mounted on the top of the lower template 2, the upper template 3 being connected to an external stamping drive component, a punch seat 4 fixedly mounted in the middle of the lower template 2, a punch 5 fixedly mounted on the bottom of the upper template 3, and sliding rods 6 on both sides of the punch 5. The top of the sliding rods 6 penetrates the upper template 3 and is slidably connected to it. An L-shaped frame 7 is fixedly connected to the bottom of the sliding rod 6, and a spring 8 is mounted on the top of the L-shaped frame 7, the spring 8 being sleeved on the outside of the sliding rod 6. The bottom of the L-shaped frame 7 is provided with a pressure plate 9. An adjusting screw 10 is rotatably connected to the inner side wall of the L-shaped frame 7. A protruding plate 11 is fixedly connected to the outer side of the top of the pressure plate 9. The top of the protruding plate 11 is slidably connected to the inner wall of the top of the L-shaped frame 7. The end of the adjusting screw 10 away from the L-shaped frame 7 passes through the protruding plate 11 and is threadedly connected to the protruding plate 11. Limiting posts 12 are provided on both sides of the top of the lower template 2. Sliding grooves 14 are opened on both sides of the lower template 2. Fastening bolts 13 are threadedly connected to the bottom of the limiting posts 12. The bottom end of the fastening bolts 13 passes through the sliding grooves 14 and is slidably connected to the sliding grooves 14.

[0022] Furthermore, in the above technical solution, each L-shaped frame 7 has two sliding rods 6 at its top, and the two sliding rods 6 are located at both ends of the L-shaped frame 7, thereby ensuring the stability of the connection between the L-shaped frame 7 and the pressure plate 9.

[0023] Furthermore, in the above technical solution, the number of adjusting screws 10 on the inner side of each L-shaped frame 7 and the number of protruding plates 11 on the top of the pressure plate 9 are both set to two, thereby improving the stability of the adjustment of the pressure plate 9.

[0024] Furthermore, in the above technical solution, a material drop hole 17 is provided in the middle of the base 1, and an automatic conveyor belt assembly 18 is installed at the bottom of the base 1, so that the stamped plastic products can be continuously output through the automatic conveyor belt assembly 18 after they drop out of the punch 4.

[0025] Furthermore, in the above technical solution, a dovetail clip 19 is fixedly connected to the inner wall of the top of the L-shaped frame 7, and the top of the protruding plate 11 is slidably engaged with the dovetail clip 19, thereby improving the firmness of the installation of the pressure plate 9.

[0026] Furthermore, in the above technical solution, positioning sleeves 15 are fixedly installed at the four top corners of the lower template 2, and positioning holes are provided inside the positioning sleeves 15. Positioning pins 16 are fixedly installed at the four top corners of the bottom of the upper template 3. The positioning pins 16 are slidably connected to the positioning holes of the positioning sleeves 15, so as to accurately guide the upper template 3 during stamping.

[0027] The specific implementation method is as follows: In actual use, the connection between the upper template 3 and the external stamping drive component can drive the upper template 3 and the punch 5 at its bottom to cooperate with the lower template 2 and the punch seat 4 to achieve stamping and forming of the plastic sheet. By setting slide rods 6 on both sides of the upper template 3, and installing L-shaped frame 7 and pressure plate 9 at the bottom of the slide rods 6, the two pressure plates 9 can be driven to press the two sides of the plastic sheet tightly during the descent of the upper template 3. The elastic force of the spring 8 is used for buffering. As the upper template 3 continues to descend, the plastic sheet is gradually pressed. Thus, when the punch 5 stamps the plastic sheet, the forming part of the plastic sheet can be pressed together, effectively avoiding the deformation of the plastic sheet and making the stamping and forming more precise. By setting an adjusting screw 10 inside the L-shaped frame 7 and setting a protruding plate 11 on the top of the pressure plate 9, the adjusting screw 10 and the protruding plate 11 can be used to press the plastic sheet. The pressure plate 9 can be adjusted left and right by rotating the adjusting screw 10. This allows for adjustment of the actual position of the two pressure plates 9 when dealing with plastic sheets of different widths or when changing punches 5 and punch holders 4 of different sizes. This ensures that the two pressure plates 9 are close to the stamping contour during pressing, guaranteeing effective clamping of the plastic sheet during stamping. At the same time, the limiting posts 12 on both sides of the lower template 2 can precisely limit and guide the plastic sheet on both sides. By using the sliding connection between the fastening bolt 13 and the slide groove 14, the position of the limiting posts 12 can be adjusted, and the limiting posts 12 can be fixed by tightening the fastening bolt 13. This can limit and guide plastic sheets of different widths, thereby greatly improving the stamping stability of the device, reducing the error rate of plastic product stamping, and also greatly improving the adaptability and practicality of the device.

Claims

1. A stamping die for processing plastic products, comprising a base (1), characterized in that: A lower template (2) is fixedly installed on the top of the base (1). An upper template (3) is provided on the top of the lower template (2). The upper template (3) is connected to an external stamping drive component. A punch seat (4) is fixedly installed in the middle of the lower template (2). A punch (5) is fixedly installed at the bottom of the upper template (3). Slide rods (6) are provided on both sides of the punch (5). The top of the slide rods (6) passes through the upper template (3) and is slidably connected to the upper template (3). An L-shaped frame (7) is fixedly connected to the bottom of the slide rods (6). A spring (8) is provided on the top of the L-shaped frame (7). The spring (8) is sleeved on the outside of the slide rods (6). A spring is provided at the bottom of the L-shaped frame (7). The inner wall of the L-shaped frame (7) is rotatably connected to the pressure plate (9), and the outer side of the top of the pressure plate (9) is fixedly connected to the protruding plate (11). The top of the protruding plate (11) is slidably connected to the inner wall of the top of the L-shaped frame (7). The end of the adjusting screw (10) away from the L-shaped frame (7) passes through the protruding plate (11) and is threadedly connected to the protruding plate (11). Limiting posts (12) are provided on both sides of the top of the lower template (2). Sliding grooves (14) are provided on both sides of the lower template (2). The bottom of the limiting post (12) is threadedly connected to the fastening bolt (13). The bottom end of the fastening bolt (13) passes through the sliding groove (14) and is slidably connected to the sliding groove (14).

2. A stamping die for processing plastic products according to claim 1, characterized in that: Each L-shaped frame (7) has two slide bars (6) at the top, and the two slide bars (6) are located at the two ends of the L-shaped frame (7).

3. A stamping die for processing plastic products according to claim 1, characterized in that: The number of adjusting screws (10) inside each L-shaped frame (7) and the number of protrusions (11) on the top of the pressure plate (9) are both set to two.

4. A stamping die for processing plastic products according to claim 1, characterized in that: The base (1) has a material drop hole (17) in the middle and an automatic conveyor belt assembly (18) is installed at the bottom of the base (1).

5. A stamping die for processing plastic products according to claim 1, characterized in that: The inner wall of the top of the L-shaped frame (7) is fixedly connected with a dovetail clip (19), and the top of the protruding plate (11) is slidably engaged with the dovetail clip (19).

6. A stamping die for processing plastic products according to claim 1, characterized in that: Positioning sleeves (15) are fixedly installed at the four top corners of the lower template (2). Positioning holes are provided inside the positioning sleeves (15). Positioning pins (16) are fixedly installed at the four top corners of the bottom of the upper template (3). The positioning pins (16) are slidably connected to the positioning holes of the positioning sleeves (15).

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