CN219503545U - Punching die for automobile parts - Google Patents

Abstract

The utility model discloses a punching die for automobile parts, which comprises a workpiece fixing seat, wherein a workpiece placing groove is formed in the right side of the workpiece fixing seat, a punching hole is vertically formed in the right part of the workpiece placing groove, and a workpiece pressing device is arranged on the left side of the workpiece fixing seat. According to the utility model, the support blocks which slide left and right are arranged on the side parts of the workpiece fixing seat, the workpiece is supported by the support blocks during stamping, and the mandrel is prevented from being deformed by radial force generated during single-side stamping, so that the mandrel is broken, the service life of the mandrel is prolonged, the replacement frequency is reduced, and the productivity is increased.

Description

Punching die for automobile parts

Technical Field

The utility model relates to a punching die for automobile parts.

Background

In the production of automobile parts, the punching press is a production technology commonly used, when punching press, to the pipe fitting that has one side pipe wall to connect, the completion of punching a hole in radial direction, the dabber that its punching press used also has the extremely thin position that matches with one side pipe wall junction portion, when punching press, the extremely thin position of dabber can receive the radial force from opposite side, simultaneously, in order to guarantee on the one hand that the dabber can easily insert in the pipe fitting, there is 0.1 mm's clearance between dabber and the pipe fitting, on the other hand is to guarantee that the pipe fitting can easily place on the pipe fitting places the platform, there is 0.1 mm's clearance between pipe fitting and the standing groove of pipe fitting place the platform, consequently, there is deformation space in the dabber when receiving radial force, often fracture after the dabber warp in actual punching press process.

For example, as shown in fig. 1, a portion where one side wall is connected is required to be radially punched, a very thin portion is required to be used as a mandrel, as shown in fig. 2, the mandrel needs to be inserted into the pre-retracted seat belt bulb when punching is performed, the very thin portion of the mandrel is aligned with the portion where one side wall is connected to the pre-retracted seat belt bulb, a cutter is punched at a notch of the mandrel from top to bottom, the very thin portion of the mandrel is subjected to radial force from the opposite side when punching, and the mandrel is very easy to break after deformation, so that the service life of the mandrel is short, frequent replacement is required, and the production of the pre-retracted seat belt bulb is greatly affected.

Disclosure of Invention

Aiming at the problems, the utility model provides a punching die for automobile parts, which effectively solves the problems pointed out in the background technology.

The technical scheme adopted by the utility model is as follows:

the utility model provides a cut-out press of automobile parts, includes the work piece fixing base, the right side of work piece fixing base is equipped with the work piece standing groove, the vertical punching press hole of having seted up in right part of work piece standing groove, the left side of work piece fixing base is equipped with work piece closing device.

Preferably, the workpiece pressing device comprises a sliding hole which is formed in the left side of the workpiece fixing seat from left to right, the right end of the sliding hole is located in the workpiece placing groove, a supporting block which slides left and right along the sliding hole is arranged in the sliding hole in a matching mode, a sliding block which is fixed with the supporting block is arranged on the left side of the workpiece fixing seat, the sliding block is arranged on a sliding rail, the sliding block is driven by a driving mechanism to move left and right, and the sliding rail is fixed with the workpiece fixing seat relatively.

The support block penetrating into the workpiece placing groove is used for supporting the connecting part of the workpiece pipe wall, namely the extremely thin part of the mandrel is supported, so that the extremely thin part of the mandrel is propped against the inner wall of the connecting part of the workpiece pipe wall, and when in stamping, the mandrel cannot deform when receiving radial force due to the support of the support block, thereby avoiding the breakage of the mandrel, and the structure is simple and reasonable and can adapt to actual production.

Preferably, the driving mechanism comprises a first inclined plane arranged at the top of the left side of the sliding block and a driving rod vertically arranged above the sliding block, wherein the driving rod moves up and down along the vertical direction, and a second inclined plane matched with the first inclined plane is arranged at the bottom of the right side of the driving rod.

When the driving rod is stamped, the driving rod can be directly fixed with the cutter together on the upper die, so that the driving rod can be driven and punched through one action of stamping, the use of other driving forces is not needed, the structure is more reasonable, and the use is more convenient.

Preferably, a stop block is arranged on the left side of the sliding rail under the driving rod, and the stop block is relatively fixed with the sliding rail.

When the driving rod moves downwards to be in contact with the sliding block, the left side of the driving block is supported by the stop block, so that the driving rod is prevented from bending and deforming leftwards under the reaction force of the sliding block.

Preferably, the stop block is L-shaped, a transverse part of the stop block is positioned right below the driving rod, and a longitudinal part of the stop block is positioned at the left side of the driving rod.

The L-shaped stop block can play a better supporting role, and because the transverse part and the longitudinal part of the stop block are integrated, when the driving rod moves downwards to prop against the transverse part of the stop block, the longitudinal part of the stop block can be better fixed on the left side of the driving rod and kept not loose.

According to the utility model, the support blocks which slide left and right are arranged on the side parts of the workpiece fixing seat, the workpiece is supported by the support blocks during stamping, and the mandrel is prevented from being deformed by radial force generated during single-side stamping, so that the mandrel is broken, the service life of the mandrel is prolonged, the replacement frequency is reduced, and the productivity is increased.

Drawings

FIG. 1 is a schematic view of a pre-retracted seat belt bulb;

FIG. 2 is a schematic structural view of a mandrel;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model when the pre-shrinking seat belt bulb is stamped;

FIG. 5 is a schematic view of a block structure;

FIG. 6 is a schematic view of the structure of the driving rod;

FIG. 7 is a schematic view of a workpiece holder;

fig. 8 is a schematic structural view of the slider.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Furthermore, in the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The utility model will now be described in further detail with reference to the accompanying drawings by means of specific examples.

As shown in fig. 3-8, a punching die for automobile parts comprises a workpiece fixing seat 1, wherein a workpiece placing groove 2 is formed in the right side of the workpiece fixing seat 1, a punching hole 3 is vertically formed in the right part of the workpiece placing groove 2, and a workpiece pressing device is arranged on the left side of the workpiece fixing seat 1.

The workpiece pressing device comprises a sliding hole 4 which is formed in the left side of a workpiece fixing seat 1 from left to right, the right end of the sliding hole 4 is located in a workpiece placing groove 2, a supporting block 5 which slides left and right along the sliding hole 4 is matched and arranged in the sliding hole 4, a sliding block 6 which is fixed with the supporting block 5 is arranged in the left side of the workpiece fixing seat 1, the sliding block 6 is arranged on a sliding rail 7, the sliding block 6 is driven by a driving mechanism to move left and right, and the sliding rail 7 is fixed relative to the workpiece fixing seat 1.

The driving mechanism comprises a first inclined surface 8 arranged at the top of the left side of the sliding block 6 and a driving rod 9 vertically arranged above the sliding block 6, wherein the driving rod 9 moves up and down along the vertical direction, and a second inclined surface 10 matched with the first inclined surface 8 is arranged at the bottom of the right side of the driving rod 9.

A stop block 11 is arranged on the left side of the sliding rail 7 under the driving rod 9, and the stop block 11 and the sliding rail 7 are relatively fixed.

As shown in fig. 5, the stop 11 is L-shaped, and a lateral portion of the stop 11 is located directly below the driving rod 9, and a longitudinal portion is located on the left side of the driving rod 9.

In the utility model, during punching, the driving rod 9 and the cutter 12 are arranged together on an upper die (not shown in the figure), the workpiece fixing seat 1, the sliding block 6, the sliding rail 7 and the stop block 11 are fixed below the cutter 12, the cutter 12 is aligned with the punching hole 3 on the workpiece fixing seat 1, and during punching of the pre-shrinking type safety belt bulb 13, the working principle is as follows:

firstly, the pre-shrinking type safety belt bulb 13 is placed in the workpiece placing groove 2, then the mandrel 14 is inserted into the pre-shrinking type safety belt bulb 13, a gap on the mandrel 14 is aligned with the punching hole 3, at the moment, the cutter 12 can be controlled to move downwards for punching, meanwhile, the cutter 12 moves downwards, the driving rod 9 synchronously moves downwards, and when the driving rod 9 moves downwards, through the cooperation of the second inclined plane 10 and the first inclined plane 8, the pre-driving sliding block 6 moves rightwards, so that the supporting block 5 tightly props the pre-shrinking type safety belt bulb 13 rightwards, the left inner wall of the pre-shrinking type safety belt bulb 13 props against the mandrel 14, the gap between the left inner wall of the pre-shrinking type safety belt bulb 13 and the mandrel is eliminated, then the cutter 12 touches the pre-shrinking type safety belt bulb 13 again for punching, during punching, the extremely thin part on the left side of the mandrel 14 can be subjected to leftwards radial force, and due to the leftwards radial force of the mandrel 14, deformation can not be generated when the left radial force is applied to the driving rod 9, so that the breakage of the mandrel 14 can be avoided, and when the cutter 12 moves downwards, the bottom end of the driving rod 9 just abuts against the stop block 11 is completed.

Finally, it should be noted that the above list is only specific embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims (5)

1. The utility model provides a cut-out press of automobile parts, its characterized in that, includes work piece fixing base (1), the right side of work piece fixing base (1) is equipped with work piece standing groove (2), stamping hole (3) have been vertically seted up at the right part of work piece standing groove (2), the left side of work piece fixing base (1) is equipped with work piece closing device.

2. The punching die for automobile parts according to claim 1, characterized in that the workpiece pressing device comprises a sliding hole (4) formed in the left side of the workpiece fixing seat (1) from left to right, the right end of the sliding hole (4) is located in the workpiece placing groove (2), a supporting block (5) sliding left and right along the sliding hole (4) is matched and arranged in the sliding hole (4), a sliding block (6) fixed with the supporting block (5) is arranged in the left side of the workpiece fixing seat (1), the sliding block (6) is arranged on a sliding rail (7), the sliding block (6) is driven by a driving mechanism to move left and right, and the sliding rail (7) and the workpiece fixing seat (1) are relatively fixed.

3. The punching die for automobile parts according to claim 2, wherein the driving mechanism comprises a first inclined surface (8) formed at the top of the left side of the sliding block (6) and a driving rod (9) vertically arranged above the sliding block (6), the driving rod (9) moves up and down along the vertical direction, and a second inclined surface (10) matched with the first inclined surface (8) is formed at the bottom of the right side of the driving rod (9).

4. A punching die for automobile parts according to claim 3, characterized in that a stop block (11) is arranged on the left side of the sliding rail (7) under the driving rod (9), and the stop block (11) and the sliding rail (7) are relatively fixed.

5. The punching die for automobile parts according to claim 4, wherein the stop block (11) is L-shaped, a transverse portion of the stop block (11) is located right below the driving rod (9), and a longitudinal portion of the stop block is located on the left side of the driving rod (9).