Progressive die of side door lock ring assembly part

Abstract

The utility model provides a progressive die of a side door lock ring assembly part. The progressive die comprises an upper die base and a lower die base. An upper die plate is arranged below the upper die base, and an upper trimming male die is arranged below the upper die plate. A lower die plate is arranged on the lower die base, a lower trimming female die is arranged above the lower die plate, and the lower trimming female die is matched with the upper trimming male die in an embedded mode. The upper trimming male die and the lower trimming female die are each of an annular structure, and the interiors of the upper trimming male die and the lower trimming female die are hollow. An inner material pressing plate and an outer material pressing plate are arranged below the upper die plate, are connected with the upper die plate through elastic devices, are located inside and outside the upper trimming male die respectively and are provided with corresponding material pressing inserts. According to the utility model, the outer edge of the part is completely cut through the upper trimming male die, and the part is kept on a material belt by virtue of the inner and outer pressing inserts, so that continuous processing is facilitated, the trimming process and time of the part are obviously reduced, polishing is not needed, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts preparation, in particular to a continuous die for a side door lock ring assembly component. Background Art

[0002] The various components of the side door lock ring assembly are formed through a series of continuous precision stamping steps, which usually include drawing, bending, flanging, shaping, punching, chamfering, trimming and blanking.

[0003] The base of the side door lock ring assembly is oval. In existing molding processes, this component requires two trimming steps, each time cutting off half of the outer edge. After these two trimming steps, the component is separated from the sheet. The junction between the two trimming steps is uneven, requiring polishing, which takes 5-10 minutes to achieve a smooth outer edge. This additional polishing step, which is time-consuming and labor-intensive to ensure product quality, limits the production efficiency of the side door lock ring assembly base.

[0004] Therefore, there is a need to improve the existing technology. Utility Model Content

[0005] The utility model provides a continuous die for a side door lock ring assembly component, which is used to solve the above problem.

[0006] A technical solution adopted by the utility model is to provide a continuous die for a side door lock ring assembly component, comprising an upper die base and a lower die base;

[0007] An upper mold plate is provided below the upper mold base, the upper mold plate is fixed to the upper mold base, and an upper trimming punch is provided below the upper mold plate;

[0008] The lower die base is provided with a lower die plate, and a lower trimming die is provided above the lower die plate, and the lower trimming die is embedded in the upper trimming die.

[0009] The upper trimming punch and the lower trimming die are both annular structures with a hollow interior. The material strip moves intermittently between the upper die base and the lower die base. When the mold is closed, the upper trimming punch cuts the outer edge of the component.

[0010] An inner pressing plate and an outer pressing plate are provided below the upper template. The inner pressing plate is connected to the upper template through an inner elastic device and is located inside the upper trimming punch. An inner pressing insert is provided below the inner pressing plate. The outer pressing plate is connected to the upper template through an outer elastic device and is located outside the upper trimming punch. An outer pressing insert is provided below the outer pressing plate. When the mold is opened, the inner pressing plate keeps the component on the material strip.

[0011] Furthermore, the portion of the lower end of the upper trimming punch that cuts into the material strip is designed to gradually narrow downward, so that the outer edge of the component is cut off but does not fall off.

[0012] Furthermore, the upper trimming punch is made of tungsten steel or high chromium molybdenum vanadium powder material, which has excellent wear resistance and impact resistance.

[0013] Furthermore, a guide column is provided below the upper die seat, and the lower end of the guide column passes through the upper die plate, the inner pressure plate and the outer pressure plate to ensure a reasonable gap between the upper trimming punch and the insert and the die during the stamping process.

[0014] Furthermore, a clearance groove is provided on the lower surface of the inner pressure insert, and when the mold is closed, the protrusion on the component for connecting the locking ring is located in the clearance groove.

[0015] Furthermore, an upper blanking punch is provided below the upper template, and a plurality of continuous mold steps are spaced between the upper blanking punch and the upper trimming punch;

[0016] The lower template is also provided with a lower blanking insert, which is an annular structure with a blanking cavity inside. When the mold is closed, the upper blanking punch pushes the component into the blanking cavity.

[0017] An upper pressing plate is also provided below the upper template. The upper pressing plate is connected to the upper template through an upper elastic device and is located outside the upper blanking punch. An upper pressing insert is provided below the upper pressing plate. When the mold is closed, the upper pressing insert presses the material strip to prevent the material strip from deformation.

[0018] Furthermore, a buffer layer is provided on the lower surface of the upper pressing block, which can gently push the component without damaging the component when the mold is closed.

[0019] The beneficial effects of the continuous die of the side door lock ring assembly component of the utility model are:

[0020] 1. The outer edge of the component is fully cut by the upper trimming punch, and the component is held on the material strip with the help of internal and external holding inserts for continuous processing. This significantly reduces the process and time of trimming the component, eliminates the need for grinding, and effectively improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the closed mold state of the full trimming mold of the first embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the mold opening process of the full-edge trimming mold of the first embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the full trimming mold of the first embodiment of the continuous mold of the utility model in the mold opening state;

[0024] Figure 4This is a schematic diagram of the blanking die of the continuous die of the first embodiment of the utility model in the mold opening state;

[0025] The components in the accompanying drawings are marked as follows: 1. Upper die base, 2. Upper template, 3. Lower template, 4. Lower die base, 5. Material strip, 11. Guide column, 21. Upper trimming punch, 22. Inner pressure plate, 23. Outer pressure plate, 24. Upper blanking punch, 25. Upper pressure plate, 31. Lower trimming die, 32. Lower blanking insert, 221. Inner pressure insert, 231. Outer pressure insert, 251. Upper pressure insert. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with 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 precise definition of the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", "horizontal", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention. They cannot indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] See also Figures 1 to 4 The first embodiment of the present invention provides a continuous die for a side door lock ring assembly component, comprising: an upper die base 1 and a lower die base 4, a material strip 5 intermittently moves between the upper die base 1 and the lower die base 4, and a trimming and blanking structure for completing the side door lock ring assembly component is provided along its moving direction.

[0029] Cutting edge structure:

[0030] An upper mold plate 2 is provided below the upper mold base 1, and the upper mold plate 2 is fixed to the upper mold base 1. An upper trimming punch 21 is provided below the upper mold base 1. A lower mold plate 3 is provided on the lower mold base 4. A lower trimming die 31 is provided above the lower mold plate 3. The lower trimming die 31 is embedded and matched with the upper trimming punch 21.

[0031] The upper trimming punch 21 and the lower trimming die 31 are both annular structures with a hollow interior. When the mold is closed, the upper trimming punch 21 trims the outer edge of the component.

[0032] An inner blank pressing plate 22 and an outer blank pressing plate 23 are provided below the upper template 2. The inner blank pressing plate 22 is connected to the upper template 2 through an inner elastic device and is located inside the upper trimming punch 21. An inner blank pressing insert 221 is provided below the inner blank pressing plate 22. The outer blank pressing plate 23 is connected to the upper template 2 through an outer elastic device and is located outside the upper trimming punch 21. An outer blank pressing insert 231 is provided below the outer blank pressing plate 23. When the mold is opened, the inner blank pressing plate 22 keeps the component on the material strip 5.

[0033] A guide column 11 is also provided below the upper die base 1. The lower end of the guide column 11 passes through the upper die plate 2, the inner pressing plate 22 and the outer pressing plate 23 to ensure a reasonable gap between the upper trimming punch 21 and the insert and the die during the stamping process.

[0034] Specifically, the portion of the lower end of the upper trimming punch 21 that cuts into the material strip 5 is designed to gradually narrow downward so that the outer edge of the component is cut off but does not fall off, and the inner side wall of the lower end of the upper trimming punch 21 is a vertical plane, so that the edge of the cut component is smooth.

[0035] The upper trimming punch 21 is made of a material with high hardness and high wear resistance, such as tungsten steel (CD650) or high chromium molybdenum vanadium powder material (ASP-23). ​​These materials have excellent wear resistance and impact resistance, which can ensure that the upper trimming punch 21 maintains a stable cutting effect during long-term use.

[0036] In addition, a clearance groove is provided on the lower surface of the inner pressure insert 221. When the mold is closed, the protrusion on the component for connecting the lock ring will be located in the clearance groove.

[0037] Blanking structure:

[0038] An upper blanking punch 24 is further provided below the upper template 2, and a plurality of continuous mold steps are spaced between the upper blanking punch 24 and the upper trimming punch 21;

[0039] The lower mold plate 3 is also provided with a lower blanking insert 32, which is an annular structure with a blanking cavity inside. When the mold is closed, the upper blanking punch 24 pushes the component into the blanking cavity. A corresponding conveyor belt or a collecting device is connected below the blanking cavity.

[0040] An upper pressing plate 25 is also provided below the upper template 2. The upper pressing plate 25 is connected to the upper template 2 through an upper elastic device and is located outside the upper blanking punch 24. An upper pressing insert 251 is provided below the upper pressing plate 25. When the mold is closed, the upper pressing insert 251 presses the material strip 5 to prevent the material strip 5 from deformation.

[0041] Specifically, a buffer layer is provided on the lower surface of the upper pressing block 251 , which can gently push the component without damaging the component when the mold is closed.

[0042] In the continuous die: the inner elastic device, the outer elastic device and the upper elastic device can adopt one of springs, pneumatic cylinders or hydraulic cylinders; the upper trimming punch 21, the upper blanking punch 24, the upper pressing plate 25 and each insert can be disassembled and replaced.

[0043] In other embodiments of the present invention, controllable gas springs can be selected as corresponding elastic devices (inner elastic device, outer elastic device and upper elastic device). By adjusting the internal air pressure, the supporting force and stroke of the gas spring can be conveniently controlled to meet production needs.

[0044] The beneficial effects of the continuous die of the side door lock ring assembly component of the utility model are:

[0045] 1. The outer edge of the component is fully cut by the upper trimming punch, and the component is held on the material strip with the help of internal and external pressing inserts for continuous processing. This significantly reduces the trimming process and time of the component, eliminates the need for grinding, and effectively improves production efficiency;

[0046] 2. Push the component into the blanking cavity through the upper blanking punch, and use the upper pressure plate and the lower blanking insert to keep the material strip stable to avoid deformation.

[0047] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A continuous die for a side door lock ring assembly, characterized in that: include: Upper die base and lower die base; An upper mold plate is provided below the upper mold base, the upper mold plate is fixed to the upper mold base, and an upper trimming punch is provided below the upper mold plate; The lower die base is provided with a lower die plate, and a lower trimming die is provided above the lower die plate, and the lower trimming die is embedded in the upper trimming die. The upper trimming punch and the lower trimming die are both annular structures with a hollow interior. The material strip moves intermittently between the upper die base and the lower die base. When the mold is closed, the upper trimming punch cuts the outer edge of the component. An inner pressing plate and an outer pressing plate are provided below the upper template. The inner pressing plate is connected to the upper template through an inner elastic device and is located inside the upper trimming punch. An inner pressing insert is provided below the inner pressing plate. The outer pressing plate is connected to the upper template through an outer elastic device and is located outside the upper trimming punch. An outer pressing insert is provided below the outer pressing plate. When the mold is opened, the inner pressing plate keeps the component on the material strip.

2. The continuous mold of the side door lock ring assembly according to claim 1, characterized in that: The portion of the lower end of the upper trimming punch that cuts into the material strip is designed to gradually narrow downwards.

3. The continuous mold of the side door lock ring assembly according to claim 2, characterized in that: A guide column is also provided below the upper die base, and the lower end of the guide column passes through the upper die plate, the inner pressing plate and the outer pressing plate.

4. The continuous mold of the side door lock ring assembly according to claim 3, characterized in that: The upper trimming punch is made of tungsten steel or high chromium molybdenum vanadium powder material.

5. The continuous mold of the side door lock ring assembly according to claim 3, characterized in that: The lower surface of the inner pressure material insert is provided with a clearance groove, and when the mold is closed, the protrusion on the component for connecting the lock ring is located in the clearance groove.

6. A continuous die for a side door lock ring assembly according to any one of claims 1 to 5, characterized in that: An upper blanking punch is also provided below the upper template, and a plurality of continuous mold steps are spaced between the upper blanking punch and the upper trimming punch; The lower template is also provided with a lower blanking insert, which is an annular structure with a blanking cavity inside. When the mold is closed, the upper blanking punch pushes the component into the blanking cavity. An upper pressing plate is also provided below the upper template. The upper pressing plate is connected to the upper template through an upper elastic device and is located outside the upper blanking punch. An upper pressing insert is provided below the upper pressing plate. When the mold is closed, the upper pressing insert presses the material strip.

7. The continuous mold of the side door lock ring assembly according to claim 6, characterized in that: A buffer layer is provided on the lower surface of the upper pressing insert.

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