CN220837545U

CN220837545U - Stamping processing die for multiple working procedures

Info

Publication number: CN220837545U
Application number: CN202322407257.6U
Authority: CN
Inventors: 郭文杰
Original assignee: Yuancheng Automotive Technology Shanghai Co ltd
Current assignee: Yuancheng Automotive Technology Shanghai Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-26
Anticipated expiration: 2033-09-06

Abstract

The utility model provides a stamping die for many processes, includes assembly plate, lower assembly plate, cope match-plate pattern and lower bolster, the cope match-plate pattern is through bolt fastening's mode detachable mounting on the assembly plate, the lower bolster is through bolt fastening's mode detachable mounting on the lower assembly plate, the cope match-plate pattern with be provided with the gasket between the assembly plate, the lower bolster with be provided with down the gasket between the assembly plate down, be provided with multiunit pre-clamping assembly on the assembly plate down, pre-clamping assembly is used for locating the work piece, on the assembly plate with be provided with to tight subassembly of pre-clamping assembly corresponds, it is used for providing the required power of centre gripping for pre-clamping assembly to support tight subassembly. In the utility model, all parts in the pre-clamping assembly are in sliding sleeve, so that the installation and adjustment of equipment are quite easy and convenient, the use efficiency of the equipment is improved, and the complexity of maintenance is reduced.

Description

Stamping processing die for multiple working procedures

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping processing die for multiple working procedures.

Background

The automotive industry, one of the largest worldwide manufacturing industries, is producing at the heart of the manufacture of automotive structural members. The structural member is manufactured mainly by a stamping process. Stamping is a process for processing a plate into an automobile part by using a die. The process can ensure the dimensional accuracy and appearance quality of the product and realize large-scale and high-efficiency production.

Because of the complex shape of the automobile structural member, a single stamping process is difficult to meet the production requirement. Therefore, the use of multiple working processes of stamping dies becomes critical. The die can complete a plurality of stamping processes in the same die, improves the production efficiency, reduces the cost and shortens the production time. In addition, the multi-step stamping can ensure the continuity and consistency of the parts, thereby ensuring the quality of the parts.

However, there are some limitations to the existing multi-stage stamping dies. Firstly, due to the structural design limitations, they may lack precise control in some stamping processes, resulting in deviations in the size and shape of the product, and of course, some stamping die liquids have a positioning function before stamping, but all use bolts to achieve positioning and clamping, and the work piece is relatively time-consuming to install or remove, and in addition, these dies may suffer from wear due to friction and vibration during long-term operation, affecting their performance and lifetime.

Disclosure of utility model

To solve the above problems, the present utility model provides a press working die for multiple processes.

According to the stamping processing die for multiple working procedures, the stamping processing die comprises an upper assembly plate, a lower assembly plate, an upper template and a lower template, wherein the upper template is detachably installed on the upper assembly plate in a bolt fixing mode, the lower template is detachably installed on the lower assembly plate in a bolt fixing mode, an upper gasket is arranged between the upper template and the upper assembly plate, a lower gasket is arranged between the lower template and the lower assembly plate, multiple groups of pre-clamping assemblies are arranged on the lower assembly plate, the pre-clamping assemblies are used for positioning workpieces, and a propping assembly corresponding to the pre-clamping assemblies is arranged on the upper assembly plate and is used for providing force required by clamping for the pre-clamping assemblies.

According to some embodiments of the present utility model, the pre-clamping assembly includes single-side positioning members symmetrically disposed on two sides of the lower template, the single-side positioning members are composed of a supporting plate, a positioning cover plate, two identical vertical rods and a deformation-preventing sleeve, the two vertical rods are fixedly connected with the lower assembly plate and vertically upward, the supporting plate is slidably sleeved on the two vertical rods, the upper end surface of the supporting plate and the upper end surface of the lower template keep horizontal, the positioning cover plate is slidably sleeved on the two vertical rods and is located above the supporting plate, the two deformation-preventing sleeve is slidably sleeved on the two vertical rods respectively and is located between the supporting plate and the positioning cover plate, and a positioning groove is formed between the supporting plate and the positioning cover plate in a clamping manner for positioning the end portion of the workpiece.

According to some embodiments of the utility model, the deformation-preventing sleeve is made of elastic materials and is used for providing space for the supporting plate and the positioning cover plate to clamp the workpiece under the force.

According to some embodiments of the present utility model, the abutting assembly includes a cylindrical housing, an abutting plate, a connecting rod, a limiting plate and a compression spring, wherein the cylindrical housing is integrally connected with the upper assembly plate, a cylindrical limiting space is formed in the cylindrical housing, the limiting plate is slidably mounted in the limiting space, the upper end surface of the limiting plate is elastically connected with the upper end wall of the limiting space through the compression spring, the connecting rod is fixedly connected at the central position of the lower end surface of the limiting plate, the lower end of the connecting rod penetrates through the lower end wall of the limiting space and extends downwards, and the abutting plate is fixedly connected at the lower end of the connecting rod.

According to some embodiments of the utility model, positioning holes penetrating up and down are formed in positions, corresponding to the vertical rods, on the upper assembly plate, and the inner walls of the positioning holes are in clearance fit with the outer annular surfaces of the vertical rods.

According to some embodiments of the utility model, the opening at the lower end of the positioning hole is in an inverted cone shape, and the caliber of the opening at the lower end is larger than the diameter of the positioning hole.

According to some embodiments of the utility model, the upper end face of the lower assembly plate is provided with a storage groove with an upward opening.

The beneficial effects are that:

1. The lower assembly plate is provided with a plurality of groups of pre-clamping assemblies, so that the workpiece can be easily positioned under the condition that the workpiece is not stressed before stamping, the workpiece is convenient to mount and take down, and in addition, during stamping, the abutting assembly can be contacted with the pre-clamping assemblies in advance, so that the pre-clamping assemblies are provided with external force required by clamping, the two ends of the workpiece are clamped by the external force during stamping, and the workpiece is ensured to be stable in the machining process;

2. The positioning groove can ensure the accurate position of the workpiece before the stamping operation starts, which is helpful for improving the stamping precision, and the workpiece can be prevented from moving in the stamping process by clamping, so that the error rate is reduced and the stamping effect is improved.

3. Because all the components in the pre-clamping assembly are in sliding fit, the installation and adjustment of the equipment are quite easy and convenient, the use efficiency of the equipment is improved, and the complexity of maintenance is reduced.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a stamping die for multiple processes according to the present utility model;

FIG. 2 is a cross-sectional view of a stamping die for multiple processes according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the pre-clamping assembly and the abutment assembly of the present utility model;

fig. 4 is a working state diagram of a press working die for a multi-process according to the present utility model.

Reference numerals: 1. an upper assembly plate; 2. a lower assembly plate; 3. an upper template; 4. a lower template; 5. a gasket is arranged on the upper part; 6. a lower gasket; 7. a pre-clamping assembly; 8. a tightening assembly; 71. a support plate; 72. positioning a cover plate; 73. a vertical rod; 74. an anti-deformation sleeve; 81. a cylindrical housing; 82. an abutting plate; 83. a connecting rod; 84. a limiting plate; 85. compressing the spring.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

A stamping die for multiple processes according to an embodiment of the present utility model will be described with reference to fig. 1 to 3, including an upper assembly plate 1, a lower assembly plate 2, an upper die plate 3 and a lower die plate 4, wherein the upper die plate 3 is detachably mounted on the upper assembly plate 1 by means of bolting, the lower die plate 4 is detachably mounted on the lower assembly plate 2 by means of bolting, an upper gasket 5 is provided between the upper die plate 3 and the upper assembly plate 1, a lower gasket 6 is provided between the lower die plate 4 and the lower assembly plate 2, multiple sets of pre-clamping assemblies 7 are provided on the lower assembly plate 2, the pre-clamping assemblies 7 are used for positioning workpieces, a tightening assembly 8 is provided on the upper assembly plate 1 corresponding to the pre-clamping assemblies 7, and the tightening assembly 8 is used for providing a force required for clamping the pre-clamping assemblies 7.

Specifically, cope match-plate pattern 3 and lower bolster 4 are all connected with the package rubbing board through the mode of bolt fastening for the mould has the dismantlement function, make things convenient for daily maintenance and change, all be provided with the gasket between cope match-plate pattern 3 and the upper package rubbing board 1 and between lower bolster 4 and the lower package rubbing board 2, help protecting template and package rubbing board, thereby prevent direct friction between them, reduce the damage that causes because of friction, be equipped with multiunit pre-clamping assembly 7 on the lower package rubbing board 2, can be under the not under the condition of atress of work piece before the punching press, make things convenient for the installation and the takedown of work piece, moreover when punching press, support tight subassembly 8 can be the contact with pre-clamping assembly 7 in advance, provide the required external force of centre gripping for pre-clamping assembly, when guaranteeing punching press, the both ends of work piece receive external force clamp, ensure that the work piece is stable in the course of working.

In a preferred embodiment, the pre-clamping assembly 7 comprises single-side positioning members symmetrically arranged at two sides of the lower template 4, the single-side positioning members are composed of a supporting plate 71, a positioning cover plate 72, two identical vertical rods 73 and a deformation-preventing sleeve 74, the two vertical rods 73 are fixedly connected with the lower assembly plate 2 and vertically upwards, the supporting plate 71 is slidably sleeved on the two vertical rods 73, the upper end face of the supporting plate 71 is kept horizontal with the upper end face of the lower template 4, the positioning cover plate 72 is slidably sleeved on the two vertical rods 73 and is located above the supporting plate 71, the two deformation-preventing sleeve 74 is slidably sleeved on the two vertical rods 73 respectively and is located between the supporting plate 71 and the positioning cover plate 72, and a positioning groove is formed between the supporting plate 71 and the positioning cover plate 72 in a clamping mode and is used for positioning the end portion of a workpiece. In operation, the positioning groove can ensure the accurate position of the workpiece before the stamping operation starts, the stamping precision is improved, the workpiece is clamped, the workpiece is prevented from moving in the stamping process, so that the error rate is reduced, the stamping effect is improved, the deformation-preventing sleeve 74 can prevent the vertical rod 73 from bending or deforming when being stressed, the robustness of the die and the service life of the device are improved, and moreover, as all the components are in sliding fit, the device is easy and convenient to install and adjust, the service efficiency of the device is improved, and the complexity of maintenance is reduced.

In a preferred embodiment, the deformation preventing sleeve 74 is made of an elastic material, so as to provide space for the supporting plate 71 and the positioning cover plate 72 to clamp the workpiece under force, the deformation preventing sleeve 74 can be replaced with different sizes according to actual use requirements, the use of the mold is diversified, and the deformation preventing sleeve 74 can be arranged to prevent the vertical rod 73 from bending or deforming under force.

In a preferred embodiment, the abutting assembly 8 comprises a cylindrical shell 81, an abutting plate 82, a connecting rod 83, a limiting plate 84 and a compression spring 85, wherein the cylindrical shell 81 is integrally connected with the upper assembly plate 1, a cylindrical limiting space is formed in the cylindrical shell 81, the limiting plate 84 is slidably mounted in the limiting space, the upper end face of the limiting plate 84 is elastically connected with the upper end wall of the limiting space through the compression spring 85, the connecting rod 83 is fixedly connected at the central position of the lower end face of the limiting plate 84, the lower end of the connecting rod 83 penetrates through the lower end wall of the limiting space and extends downwards, and the abutting plate 82 is fixedly connected with the lower end of the connecting rod 83.

Specifically, as the upper assembly plate 1 descends, the abutment plate 82 contacts the positioning cover plate 72, the abutment plate 82 is connected to the compression spring 85 through the connection rod 83 and the limit plate 84, and when the abutment plate 82 abuts against the positioning cover plate 72, the connection rod 83 moves the limit plate 84 upward relative to the upper assembly plate 1, the compression spring 85 compresses and contracts, and provides a reaction force for precise motion control and positioning.

In a preferred embodiment, the upper assembly plate 1 is provided with positioning holes penetrating up and down at positions corresponding to the vertical rods 73, and the inner walls of the positioning holes are in clearance fit with the outer annular surfaces of the vertical rods 73. In operation, through the cooperation of locating hole and montant 73, realize the accurate positioning between cope match-plate pattern 3 and the lower bolster 4, guaranteed the accuracy of punching press.

In a preferred embodiment, the opening at the lower end of the positioning hole is in an inverted cone shape, the caliber of the opening at the lower end is larger than the diameter of the positioning hole, and under the condition that a certain position deviation exists between the upper template 3 and the lower template 4 due to the inverted cone shape, the vertical rod 73 can also enter the positioning hole, and along with the downward movement of the upper template 3, the accurate positioning is realized through the cooperation of the vertical rod 73 and the inner wall of the inverted cone shape.

In a preferred embodiment, the upper end face of the lower assembly plate 2 is provided with a storage groove with an upward opening, which is used for collecting scraps generated in the processing process or residual liquid under the conditions of using cooling liquid, lubricating liquid and the like, so as to ensure the clean environment of the site.

In specific embodiments, the upper template 3 and the lower template 4 are connected with the assembly plate through bolt fixing, so that the die has a disassembling function, daily maintenance and replacement are facilitated, gaskets are arranged between the upper template 3 and the upper assembly plate 1 and between the lower template 4 and the lower assembly plate 2, protection of the templates and the assembly plate is facilitated, direct friction between the templates and the assembly plate is prevented, accordingly, service life of the workpieces is prolonged, damage caused by friction is reduced, a plurality of groups of pre-clamping assemblies 7 are arranged on the lower assembly plate 2, the workpieces can be easily positioned under the condition that the workpieces are not stressed before stamping, the workpieces are convenient to install and take down, in addition, the abutting assemblies 8 can be contacted with the pre-clamping assemblies 7 at first step during stamping, external force required by clamping is provided for the pre-clamping assemblies, clamping of the two ends of the workpieces is guaranteed during stamping, stability of the workpieces in the machining process is guaranteed, the positioning grooves can ensure accurate positions of the workpieces before stamping operation begins, the workpieces are prevented from being directly rubbed, the workpieces are prevented from moving in the stamping process through clamping, accordingly, error rate is reduced, the deformation preventing sleeve 74 can be prevented from being deformed, or being deformed when the deformation is prevented, the equipment is relatively easy to be easily installed, and the equipment is convenient to be easily adjusted, and is suitable for the equipment is easy to maintain, and is provided.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a stamping die for many processes, its characterized in that, including last package rubbing board (1), lower package rubbing board (2), cope match-plate pattern (3) and lower bolster (4), cope match-plate pattern (3) are in through the mode detachable of bolt fastening on last package rubbing board (1), lower bolster (4) are in through the mode detachable of bolt fastening install on lower package rubbing board (2), cope match-plate pattern (3) with be provided with gasket (5) between last package rubbing board (1), lower bolster (4) with be provided with down gasket (6) between lower package rubbing board (2), be provided with multiunit pre-clamping assembly (7) on lower package rubbing board (2), pre-clamping assembly (7) are used for the location work piece, on last package rubbing board (1) with pre-clamping assembly (7) are corresponding are provided with tight subassembly (8), tight subassembly (8) are used for providing the required power of centre gripping for pre-clamping assembly (7).

2. A stamping die for multiple processes as defined in claim 1, wherein: the pre-clamping assembly (7) comprises single-side locating pieces symmetrically arranged on two sides of the lower die plate (4), each single-side locating piece comprises a supporting plate (71), a locating cover plate (72), two identical vertical rods (73) and a deformation-preventing sleeve (74), the two vertical rods (73) are fixedly connected with the lower assembly plate (2) and vertically upwards, the supporting plates (71) are slidably sleeved on the two vertical rods (73), the upper end faces of the supporting plates (71) and the upper end faces of the lower die plate (4) are kept horizontal, the locating cover plates (72) are slidably sleeved on the two vertical rods (73) and are located above the supporting plates (71), the two deformation-preventing sleeves (74) are slidably sleeved on the two vertical rods (73) respectively and are located between the supporting plates (71) and the locating cover plates (72), and locating grooves are formed between the supporting plates (71) and the locating cover plates (72) in a clamping mode and used for locating the end portions of workpieces.

3. A stamping die for multiple processes as defined in claim 2, wherein: the deformation-preventing sleeve (74) is made of elastic materials and is used for providing space for the supporting plate (71) and the positioning cover plate (72) to clamp a workpiece under the force.

4. A stamping die for multiple processes as defined in claim 3, wherein: the tight subassembly (8) supports includes cylindricality casing (81), butt board (82), connecting rod (83), limiting plate (84) and compression spring (85), cylindricality casing (81) with go up equipment board (1) integral type and be connected, cylindricality spacing space has been seted up to the inside of cylindricality casing (81), limiting plate (84) slidable mounting is in spacing space, the up end of limiting plate (84) pass through compression spring (85) with the upper end wall elastic connection in spacing space, connecting rod (83) fixed connection is in the central point department of the lower terminal surface of limiting plate (84), the lower extreme of connecting rod (83) runs through the lower end wall in spacing space and downwardly extending, butt board (82) fixed connection is in the lower extreme of connecting rod (83).

5. A stamping die for multiple processes as defined in claim 4, wherein: and the positions of the upper assembly plate (1) corresponding to the vertical rods (73) are provided with positioning holes which are vertically penetrated, and the inner walls of the positioning holes are in clearance fit with the outer annular surfaces of the vertical rods (73).

6. A stamping die for multiple processes as defined in claim 5, wherein: the opening at the lower end of the positioning hole is in an inverted cone shape, and the caliber of the opening at the lower end is larger than the diameter of the positioning hole.

7. The press working die for multiple processes according to claim 6, wherein: and the upper end surface of the lower assembly plate (2) is provided with a storage groove with an upward opening.