CN223531161U

CN223531161U - Negative angle processing die

Info

Publication number: CN223531161U
Application number: CN202423082111.XU
Authority: CN
Inventors: 苏志秋; 王书庆
Original assignee: Suzhou Jutianhe New Energy Technology Co ltd
Current assignee: Suzhou Jutianhe New Energy Technology Co ltd
Priority date: 2024-12-13
Filing date: 2024-12-13
Publication date: 2025-11-11
Anticipated expiration: 2034-12-13

Abstract

This utility model belongs to the technical field of stamping equipment and discloses a negative angle processing die. The negative angle processing die includes a fixed clamping plate, a punch, and a positioning component. The fixed clamping plate can be set on the processing end of the stamping equipment and has a mounting groove. The punch is movably connected to the mounting groove, and there is an elastic connection between the punch and the groove wall. A bending groove is provided on the side of the punch away from the mounting groove. The positioning component can be set on the working platform of the stamping equipment and is used to position and install the workpiece to be processed, as well as guide and support the punching direction of the punch and the bending angle of the workpiece. This negative angle processing die can form a bent negative angle in one step, reducing forming processes, forming time, and the number of dies, thus reducing subsequent maintenance costs.

Description

Negative angle processing die

Technical Field

The utility model relates to the technical field of stamping equipment, in particular to a negative angle processing die.

Background

In the existing part processing, there is an operation of bending a workpiece, and in the bending process of the workpiece, an angle formed by bending the workpiece is a negative angle which is smaller than 90 degrees. When the existing negative angle bending die is bent, if the bending negative angle is encountered, the conventional negative angle bending die is usually required to be formed in two times, namely, a workpiece is bent to be 90 degrees and then bent to be the required negative angle, so that the manufacturing process of the workpiece is complicated.

In the prior art, in order to realize one-step forming, an insert is usually movably inlaid in a punch in a negative angle bending die, and the insert performs negative angle bending on a workpiece. However, due to the limitation of the size of the punch, the die cannot be applied to thicker workpieces or workpieces with large sizes due to insufficient strength, and the insert is not easy to reset and damage after relatively rotating with the punch to form a negative angle.

Therefore, a negative angle working mold is needed to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide a negative angle processing die which can be used for forming and bending a negative angle at one time, so that the forming process, the forming time and the number of dies are reduced, and the later maintenance cost is reduced.

To achieve the purpose, the utility model adopts the following technical scheme:

A negative angle working mold comprising:

The fixed clamping plate can be arranged at the processing end of the stamping equipment and is provided with a mounting groove;

the punch is movably connected with the mounting groove, and is elastically connected with the groove wall of the mounting groove;

The positioning assembly can be arranged on a working platform of the stamping equipment and is used for positioning and mounting a workpiece to be machined, guiding and supporting the stamping direction of the punch and the bending angle of the workpiece to be machined.

Optionally, the punch press further comprises a plurality of elastic telescopic pieces, one ends of the elastic telescopic pieces are elastically connected to the fixed clamping plates, and the other ends of the elastic telescopic pieces penetrate through the fixed clamping plates and are fixedly connected with the punch.

Optionally, two elastic telescopic pieces are provided, and the two elastic telescopic pieces are respectively arranged between the top wall of the punch and the groove wall of the mounting groove and between the side wall of the punch and the groove wall of the mounting groove.

Optionally, the elastic expansion piece includes body of rod and elastic component, the one end of body of rod is equipped with spacing step, and the other end wears to locate the fixed splint and with drift fixed connection, the elastic component set up in spacing step with between the fixed splint.

Optionally, the other end of the elastic expansion piece is fixedly connected with the punch through threads.

Optionally, the groove shape of the bending groove is arc-shaped.

Optionally, the locating component includes pressure flitch, lower bolster and locating piece, pressure flitch along vertical direction detachable connect in the lower bolster, in order will wait to add the work piece location install in pressure flitch with between the lower bolster, interval sets up between lower bolster and the locating piece, in order to form the slide, the drift can slide in the slide and will wait to add the work piece and bend and form the negative angle.

Optionally, a bending inclined plane is arranged on one side of the lower die plate facing the positioning block, and an included angle between the bending inclined plane and the mounting surface of the lower die plate is the same as the bending angle of the workpiece to be machined.

Optionally, a first abutting inclined plane is arranged on one side, facing the lower die plate, of the positioning block, a second abutting inclined plane is correspondingly arranged on the punch, and the first abutting inclined plane can abut against the second abutting inclined plane so as to apply pressure to the punch.

Optionally, a distance between the positioning block and the lower template is adjustable.

The utility model has the beneficial effects that:

The utility model provides a negative angle processing die which is characterized in that a punch is directly movably connected with a fixed clamping plate, elasticity is provided between the punch and the fixed clamping plate, and the punch and the fixed clamping plate are guided and supported through a positioning assembly, so that when a negative angle of a workpiece to be processed is bent, a stamping device drives the fixed clamping plate and the punch to move to the upper part of the workpiece to be processed, then the punch moves downwards along the guide of the positioning assembly until the punch contacts the workpiece to be processed and presses the workpiece to be bent and formed, at the moment, a bending groove changes position along with the bending of the workpiece to be processed through the sliding movable connection of the punch, so that the bending groove is more attached to the bending part of the workpiece to be processed, and a certain pressure is provided for the punch through the positioning assembly, so that the negative angle bending effect of the punch to be processed is improved, the one-time processing and forming of the negative angle is realized, the resetting of the punch is facilitated, the forming process, the forming time and the number of dies are reduced, and the later maintenance cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a negative angle processing mold according to an embodiment of the present utility model when negative angle processing is not performed;

fig. 2 is a schematic structural diagram of a negative angle processing mold according to an embodiment of the present utility model when negative angle processing is performed.

In the figure:

10. A fixing clamp plate, 11, a mounting groove;

20. the punch head, the 21 bending groove, the 22 second abutting inclined plane;

30. The positioning assembly, 31, a pressing plate, 32, a lower template, 321, a bending inclined plane, 33, a positioning block, 331 and a first abutting inclined plane;

40. 41, a rod body, 411, a limiting step, 42 and an elastic piece;

200. And (5) processing a workpiece.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, directly connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The negative angle working mold provided by the present utility model is described below with reference to fig. 1 and 2.

The negative angle processing die is required to be disposed on a punching device to perform negative angle bending on the workpiece 200. The pressing device may be a press or the like, and is not particularly limited herein.

Referring to fig. 1 and 2, specifically, the negative angle processing mold includes a fixing clamp plate 10, a punch 20 and a positioning assembly 30, wherein the fixing clamp plate 10 can be disposed at a processing end of a punching device, the fixing clamp plate 10 is provided with a mounting groove 11, the punch 20 is movably connected to the mounting groove 11, the punch 20 is elastically connected with a groove wall of the mounting groove 11, a bending groove 21 is disposed at a side of the punch 20 away from the mounting groove 11, the positioning assembly 30 can be disposed on a working platform of the punching device, and the positioning assembly 30 is used for positioning and mounting a workpiece 200 and guiding and supporting a punching direction of the punch 20 and a bending angle of the workpiece 200.

In the negative angle processing die in this embodiment, the punch 20 is directly movably connected with the fixed clamping plate 10, and has elasticity between the punch 20 and the fixed clamping plate 10, and the punch 20 is guided and supported by the positioning assembly 30, so that when the negative angle of the workpiece 200 is bent, the punching equipment drives the fixed clamping plate 10 and the punch 20 to move above the workpiece 200, then moves downwards along the guide of the positioning assembly 30 until contacting the workpiece 200 and pressing the workpiece to be bent for forming, at this moment, the bending groove 21 changes position along with the bending of the workpiece 200 through the sliding movable connection of the punch 20, so that the bending groove is more fit with the bending part of the workpiece 200, and provides a certain pressure for the punch 20 through the positioning assembly 30, so that the negative angle bending effect of the workpiece 200 is improved, the one-time processing forming of the negative angle is realized, the elastic connection between the punch 20 and the fixed clamping plate 10 is convenient for resetting the punch 20, the forming procedure, the forming time and the number of dies are reduced, and the later maintenance cost is reduced.

Specifically, the negative angle processing mold further includes a plurality of elastic expansion members 40, one end of each elastic expansion member 40 is elastically connected to the fixing clamping plate 10, and the other end of each elastic expansion member is inserted into the fixing clamping plate 10 and fixedly connected to the punch 20. Thereby realizing the elastic connection between the punch 20 and the fixed clamping plate 10, so that the punch 20 can relatively rotate along with the bending of the workpiece 200 to be processed, and can also elastically reset after completing the negative angle bending, thereby reducing the frequency of maintenance and manual reset and improving the use reliability.

Specifically, the elastic telescopic member 40 includes a rod body 41 and an elastic member 42, one end of the rod body 41 is provided with a limiting step 411, the other end is inserted into the fixing clamp plate 10 and fixedly connected with the punch 20, and the elastic member 42 is disposed between the limiting step 411 and the fixing clamp plate 10. The retractility of the elastic telescopic member 40 with respect to the fixing clip 10 is achieved so that the elastic connection between the punch 20 and the fixing clip 10 is achieved.

Alternatively, the elastic member 42 is a spring, which has simple structure, good elastic force and low cost.

More specifically, the other end of the elastic expansion piece 40 is fixedly connected with the punch 20 through threads, so that the other end of the elastic expansion piece 40 and the punch 20 can be fixedly connected, and the punch 20 and the elastic expansion piece 40 can be conveniently detached and replaced during subsequent maintenance.

Optionally, the other end of the elastic expansion member 40 is provided with an external thread, and the punch 20 is provided with an internal thread, and the external thread and the internal thread are in threaded connection, thereby realizing the threaded fixed connection of the two.

Further, two elastic expansion pieces 40 are provided, and the two elastic expansion pieces 40 are respectively provided between the top wall of the punch 20 and the wall of the mounting groove 11 and between the side wall of the punch 20 and the wall of the mounting groove 11. Because the punch 20 may rotate during the negative angle punching, the elastic telescopic members 40 are arranged in both directions, which is more convenient for resetting the punch 20, and meanwhile, the connection between the punch 20 and the fixed clamping plate 10 is increased, so that the punching is more accurate.

The elastic expansion element 40 may be any other elastic expansion structure such as a hydraulic expansion element, and may be simply elastically connected to the punch 20 and the fixing clip 10, which is not particularly limited herein.

Referring to fig. 1 and 2, in the present embodiment, the mounting groove 11 of the fixing clamp 10 has an L-shaped structure, so that the top wall and one side wall of the punch 20 can be elastically connected with the fixing clamp 10, and the bottom wall and the other side walls are provided with bending grooves 21 for bending the workpiece 200 at a negative angle.

Optionally, the groove of the bending groove 21 of the punch 20 is arc-shaped and is more fit to the shape of the outer surface of the workpiece 200 after being bent, so as to ensure that the punch 20 can uniformly apply a punching force to the workpiece 200 to be bent when bending the workpiece 200 without damaging the workpiece 200.

In this embodiment, the positioning assembly 30 includes a pressing plate 31, a lower die plate 32 and a positioning block 33, the pressing plate 31 is detachably connected to the lower die plate 32 along the vertical direction, so that the workpiece 200 to be processed is positioned and installed between the pressing plate 31 and the lower die plate 32, the lower die plate 32 and the positioning block 33 are arranged at intervals to form a slideway, and the punch 20 can slide in the slideway and bend the workpiece 200 to form a negative angle. The positioning assembly 30 is provided to not only mount and fix the workpiece 200, but also form a slide way to guide the punching path of the punch 20, one side of the slide way is a bending portion of the workpiece 200, and the other side is a positioning block 33, and a certain pressure can be applied to the punch 20 by the positioning block 33, so that the processing of a thicker workpiece, namely, a negative angle of a workpiece with a larger size is ensured.

Optionally, the distance between the pressing plate 31 and the positioning block 33 is greater than the distance between the position of the lower die plate 32 close to the pressing plate 31 and the positioning block 33, so as to provide a punching space of the punch 20 for the workpiece 200.

Specifically, a bending inclined plane 321 is disposed on one side of the lower die plate 32 facing the positioning block 33, and an included angle between the bending inclined plane 321 and a mounting surface of the lower die plate 32 is the same as a bending angle of the workpiece 200 to be processed, so that when the punch 20 performs punching bending on the workpiece 200 to be processed, the workpiece 200 to be processed can be bent along the bending inclined plane 321, and thus the workpiece 200 to be processed meets the bending of a preset angle.

It can be appreciated that when processing different negative angles, the lower die plate 32 with different inclination angles of the bending inclined plane 321 can be selected to adapt to the bending processing of different negative angles of the workpiece 200.

Specifically, a first abutment inclined surface 331 is disposed on a side of the positioning block 33 facing the lower die plate 32, a second abutment inclined surface 22 is correspondingly disposed on the punch 20, and the first abutment inclined surface 331 can abut against the second abutment inclined surface 22 to apply pressure to the punch 20, so that the negative angle processing die can process a thicker workpiece, i.e. a workpiece with a larger size at a negative angle.

Optionally, the distance between the positioning block 33 and the lower template 32 is adjustable, so as to meet the machining of workpieces with different requirements, and the adaptation degree of the negative angle machining die is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Negative angle mold processing, its characterized in that includes:

The fixed clamping plate (10) can be arranged at the processing end of the stamping equipment, and the fixed clamping plate (10) is provided with a mounting groove (11);

The punch (20) is movably connected with the mounting groove (11), and the punch (20) is elastically connected with the groove wall of the mounting groove (11), and a bending groove (21) is formed in one side, away from the mounting groove (11), of the punch (20);

The positioning assembly (30) can be arranged on a working platform of the stamping equipment, and the positioning assembly (30) is used for positioning and mounting a workpiece (200) to be machined and guiding and supporting the stamping direction of the punch (20) and the bending angle of the workpiece (200) to be machined.

2. The negative angle working die according to claim 1, further comprising a plurality of elastic telescopic members (40), wherein one ends of the elastic telescopic members (40) are elastically connected to the fixed clamping plate (10), and the other ends of the elastic telescopic members penetrate through the fixed clamping plate (10) and are fixedly connected with the punch (20).

3. Negative angle working die according to claim 2, characterized in that two elastic telescopic members (40) are provided, and that two elastic telescopic members (40) are provided between the top wall of the punch (20) and the groove wall of the mounting groove (11) and between the side wall of the punch (20) and the groove wall of the mounting groove (11), respectively.

4. The negative angle working die according to claim 2, wherein the elastic telescopic member (40) comprises a rod body (41) and an elastic member (42), one end of the rod body (41) is provided with a limiting step (411), the other end of the rod body is arranged through the fixed clamping plate (10) in a penetrating manner and fixedly connected with the punch (20), and the elastic member (42) is arranged between the limiting step (411) and the fixed clamping plate (10).

5. Negative angle working die according to claim 2, characterized in that the other end of the elastic expansion member (40) is fixedly connected with the punch (20) by screw threads.

6. Negative angle working die according to claim 1, characterized in that the groove of the bending groove (21) is arc-shaped.

7. The negative angle working die according to any one of claims 1 to 6, wherein the positioning assembly (30) comprises a pressing plate (31), a lower die plate (32) and a positioning block (33), the pressing plate (31) is detachably connected to the lower die plate (32) along a vertical direction so as to position and install the workpiece (200) to be machined between the pressing plate (31) and the lower die plate (32), the lower die plate (32) and the positioning block (33) are arranged at intervals so as to form a slideway, and the punch (20) can slide in the slideway and bend the workpiece (200) to form a negative angle.

8. The negative angle working die as claimed in claim 7, wherein a bending inclined surface (321) is provided on a side of the lower die plate (32) facing the positioning block (33), and an included angle between the bending inclined surface (321) and a mounting surface of the lower die plate (32) is identical to a bending angle of the workpiece (200).

9. The negative angle working die according to claim 7, characterized in that a first abutment inclined surface (331) is provided on a side of the positioning block (33) facing the lower die plate (32), and a second abutment inclined surface (22) is provided on the punch (20) correspondingly, and the first abutment inclined surface (331) can abut against the second abutment inclined surface (22) to apply pressure to the punch (20).

10. The negative angle working mold according to claim 7, characterized in that a distance between the positioning block (33) and the lower die plate (32) is adjustable.