Ring-shaped workpiece side face forming die

By combining the design of the swing block and the pin, the problem of forming the inner wall bulge of small ring-shaped workpieces is solved, achieving a simple and quick processing effect.

CN223655871UActive Publication Date: 2025-12-12XIAMEN HENGXING XINGYE MACHINERY CO LTD
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Patent Information

Application Number
CN202423114914.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-12
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing technologies, it is difficult to achieve the convex hull forming process of the inner wall of small annular workpieces, and the traditional side-push slider structure cannot be directly applied, resulting in great difficulty in design and implementation.

Method used

The design employs a combination of a swing block and a pin. The pin presses against the forming part of the swing block, causing its swinging part to press against the side of the lower pressure seat, forming a convex hull structure of the annular workpiece. Combined with the sliding connection of the forming sleeve and the slider, simple and quick processing is achieved.

Benefits of technology

It enables simple and quick processing of side forming of small ring-shaped workpieces, and is suitable for convex hull forming of small ring-shaped workpieces, reducing the difficulty of design and implementation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of stamping dies, in particular to an annular workpiece side face forming die which comprises an upper pressing seat, a lower pressing seat, swing blocks and a plug pin, the upper pressing seat moves towards the lower pressing seat, a plurality of swing blocks are arranged on the lower pressing seat, and the plug pin is arranged on the upper pressing seat. On the end face of the lower pressing seat, the multiple swing blocks are arranged in a surrounding mode with the extension line in the length direction of the plug pin as the center; the swing block comprises a fixing part, a swing part and a forming part, the fixing part, the swing part and the forming part are sequentially connected, the fixing part is connected with the pressing seat, the swing part can swing towards the side face of the pressing seat, and the forming part is provided with a first forming face towards the side face of the pressing seat; the plug pins are opposite to the multiple forming parts, and the ends of the multiple forming parts abut against the end face of the annular workpiece. Compared with the arrangement of a traditional side pushing sliding block, the swing block and the plug pin are matched more simply and quickly, and the side face forming device is more suitable for side face forming machining of small annular workpieces.
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Description

TECHNICAL FIELD

[0001] The utility model relates to punch mould field especially relates to annular workpiece side surface forming die. BACKGROUND

[0002] In the side surface forming operation of workpiece, usually adopt the design of side push sliding block to carry out convex hull, hollowing etc. operation to workpiece side surface. But for some small annular workpiece, when convex hull processing is made on the inner wall of workpiece, because the structure such as side push sliding block is larger, it cannot be directly applied to the processing inside this kind of small workpiece, leading to the need to redesign the related side push sliding block die, and the design implementation difficulty is big. UTILITY MODEL CONTENTS

[0003] The utility model wants to solve the technical problem that provide a kind of annular workpiece side surface forming die for the convex hull forming operation of small annular workpiece inner wall, it is convenient to process.

[0004] In order to solve the above technical problem, the technical scheme that the utility model adopts is as follows: a kind of annular workpiece side surface forming die, including upper pressure seat, lower pressure seat, swing block and latch, the upper pressure seat moves towards lower pressure seat, the lower pressure seat is equipped with multiple swing blocks, the upper pressure seat is equipped with latch;Multiple swing blocks are arranged around the center with the length direction extension line of latch on the end face of lower pressure seat;The swing block includes fixed part, swing part and forming part, the fixed part, swing part and forming part are sequentially connected, the fixed part is connected with lower pressure seat, the swing part is swingable towards lower pressure seat side surface, the forming part is equipped with first forming surface towards lower pressure seat side surface;The latch is opposite to multiple forming parts, and the end of multiple forming parts is abutted with the end surface of annular workpiece.

[0005] Further, it further includes forming sleeve, the upper pressure seat is connected with forming sleeve on one side towards lower pressure seat, the forming sleeve is equipped with processing hole that is adapted to annular workpiece in middle part, and the second forming surface is arranged on the inner wall of processing hole.

[0006] Further, the forming sleeve includes sleeve body and multiple sliding blocks, multiple sliding blocks are arranged in sleeve body, and processing hole is formed between multiple sliding blocks.

[0007] Further, the sleeve body is slidably connected with sliding block.

[0008] Further, the one side of sliding block is equipped with inclined chute towards the middle part of sleeve body, and the slide rail that is adapted to chute is arranged on the sleeve body corresponding to chute.

[0009] Further, the end surface of forming part opposite to latch is equipped with first guide inclined surface.

[0010] Further, the first guide inclined surface on the corresponding shaped part of the end face of the bolt is provided with a second guide inclined surface matched with the first guide inclined surface.

[0011] Further, the end face of the bolt is provided with a guide groove corresponding to the shaped parts.

[0012] Further, a spring is connected between the shaped sleeve and the upper pressing seat, and a limiting part abutting against the end face of the annular workpiece is arranged in the processing hole of the shaped sleeve.

[0013] Further, the positioning seat is arranged on the lower pressing seat, the middle part of the positioning seat is hollow, the end face of the positioning seat is provided with an opening, and the plurality of swing blocks are arranged in the positioning seat; and the side face of the positioning seat is provided with a hollow part corresponding to the first shaped surface of the shaped part.

[0014] The annular workpiece side face forming die has the advantages that: when the upper pressing seat moves downward, the bolt can abut against the shaped part of the swing block, the swing part of the swing block abuts against the side face of the lower pressing seat, the side face of the annular workpiece sleeved on the swing block is extruded to form a convex structure, compared with the traditional side push sliding block arrangement, the swing block and the bolt are matched, which is simpler and more suitable for small annular workpiece side face forming machining. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 Fig. 1 is a structure schematic diagram of the annular workpiece side face forming die before machining according to the embodiment of the present application;

[0016] Fig. 2 Fig. 2 is a structure schematic diagram of the annular workpiece side face forming die when machining according to the embodiment of the present application;

[0017] Fig. 3 Fig. 3 is a structure schematic diagram of the workpiece, the swing block, the sliding block and the bolt of the annular workpiece side face forming die according to the embodiment of the present application.

[0018] Label explanation:

[0019] 1, upper pressing seat; 2, lower pressing seat; 3, swing block; 4, bolt; 5, fixed part; 6, swing part; 7, shaped part; 8, shaped sleeve; 9, processing hole; 10, sleeve; 11, sliding block; 12, spring; 13, positioning seat. PREFERRED EMBODIMENT

[0020] In order to make the purpose, technical content and effects of the present application clear, the following will be described in combination with the embodiment and the drawings.

[0021] Please refer to Figs. 1-3The utility model provides a kind of annular workpiece side forming die, including upper die holder 1, lower die holder 2, swing block 3 and latch 4, the upper die holder 1 moves towards lower die holder 2, the lower die holder 2 is equipped with multiple swing block 3, the upper die holder 1 is equipped with latch 4;Multiple swing block 3 is arranged around with the length direction extension line of latch 4 as center on the end face of the lower die holder 2;Swing block 3 includes fixed part 5, swing part 6 and forming part 7, the fixed part 5, swing part 6 and forming part 7 are sequentially connected, the fixed part 5 is connected with lower die holder 2, the swing part 6 is swingable towards lower die holder 2 side, the first forming surface is equipped with towards lower die holder 2 side in the forming part 7;Latch 4 is opposite to multiple forming parts 7, and the end of multiple forming parts 7 is abutted with annular workpiece end face.

[0022] From the above description, the utility model has the beneficial effects that through the cooperation of swing block 3 and latch 4, when the upper die holder 1 moves down, the latch 4 can press the forming part 7 of swing block 3, so that the swing part 6 is pressed towards the side of lower die holder 2, and then the side of the annular workpiece sleeved on swing block 3 is extruded to form a convex structure;Compared with the arrangement of the traditional side push sliding block 11, the cooperation of swing block 3 and latch 4 is simpler and faster, and is more suitable for the side forming machining of small annular workpieces.

[0023] Further, it further includes forming sleeve 8, the upper die holder 1 is connected with forming sleeve 8 on one side of lower die holder 2, the middle part of the forming sleeve 8 is equipped with processing hole 9 matched with annular workpiece, and the second forming surface is arranged on the inner wall of the processing hole 9.

[0024] From the above description, when machining, the upper die holder 1 moves down to press the annular workpiece into the processing hole 9 of the forming sleeve 8, and through the cooperation of the second forming surface of the processing hole 9 of the forming sleeve 8 and the first forming surface of the forming part 7, the side of the annular workpiece can be accurately formed into a convex structure and its texture design.

[0025] Further, the forming sleeve 8 includes sleeve body 10 and multiple sliding blocks 11, multiple sliding blocks 11 are arranged around in the sleeve body 10, and the processing hole 9 is formed between multiple sliding blocks 11.

[0026] From the above description, the design of the sleeve body 10 and multiple sliding blocks 11 can conveniently change the configuration design of the second forming surface in the processing hole 9 by replacing the sliding block 11.

[0027] Further, the sleeve body 10 is slidingly connected with the sliding block 11.

[0028] From the above description, the design of sliding connection can facilitate the disassembly and assembly of the sliding block 11.

[0029] Further, one side of the sliding block 11 is provided with a sliding groove inclined towards the middle part of the sleeve body 10, and the sleeve body 10 is provided with a sliding rail matched with the sliding groove.

[0030] From the above description, the sliding groove of the sliding block 11 cooperates with the sliding rail on the sleeve body 10 to realize the sliding connection of the sleeve body 10 and the sliding block 11.

[0031] Further, the first guide slope is arranged on the end face of the forming part 7 opposite to the plug-in pin 4.

[0032] From the above description, through the design of the first guide slope on the forming part 7, when the plug-in pin 4 moves downward and abuts against the forming part 7, the forming part 7 can quickly move toward the side surface of the lower pressing seat 2 to perform bulge extrusion forming on the side surface of the annular workpiece.

[0033] Further, the second guide slope corresponding to the first guide slope on the forming part 7 is arranged on the end face of the plug-in pin 4.

[0034] From the above description, through the cooperation of the second guide slope of the plug-in pin 4 and the first guide slope of the forming part 7, the accurate cooperation of the forming part 7 and the side surface of the annular workpiece is ensured.

[0035] Further, the guide groove corresponding to the plurality of forming parts 7 is arranged on the end face of the plug-in pin 4, and the forming part 7 abuts against the guide groove.

[0036] From the above description, through the design of the guide groove on the end face of the plug-in pin 4, the swinging direction of the swing block 3 can be limited to avoid deviation of the swing block 3 when swinging.

[0037] Further, the spring 12 is connected between the forming sleeve 8 and the upper pressing seat 1, and the limiting part abutting against the end face of the annular workpiece is arranged in the processing hole 9 of the forming sleeve 8.

[0038] From the above description, through the design of the spring 12 of the forming sleeve 8 and the upper pressing seat 1, the forming sleeve 8 can be kept pressed against the annular workpiece to quickly remove the material during the upward movement of the upper pressing seat 1 after processing by the elastic force of the spring 12; through the design of the limiting part, specifically, the limiting part is the limiting block protruding in the processing hole 9, which can limit the processing of the annular workpiece.

[0039] Further, the positioning seat 13 is arranged on the lower pressing seat 2, the middle part of the positioning seat 13 is hollow, the end face of the positioning seat 13 is provided with an opening, and the plurality of swing blocks 3 are arranged in the positioning seat 13; the side surface of the positioning seat 13 is provided with a hollow part corresponding to the first forming surface of the forming part 7.

[0040] From the above description, it can be known that the accurate placement of the annular workpiece on the lower pressing seat 2 is ensured by the design of the positioning seat 13; the annular workpiece is sleeved on the positioning seat 13, and the operation process of the downward movement of the bolt 4 and the extrusion of the swing block 3 towards the side surface of the annular workpiece is realized through the swing block 3 arranged inside the positioning seat 13, the hollow part on the side surface of the positioning seat 13 and the opening on the end surface thereof.

[0041] Please refer to Figs. 1-3 , the embodiment one of the utility model discloses:

[0042] An annular workpiece side surface forming die, comprising an upper pressing seat 1, a lower pressing seat 2, a swing block 3 and a bolt 4, the upper pressing seat 1 moves towards the lower pressing seat 2, a plurality of swing blocks 3 are arranged on the lower pressing seat 2, and the upper pressing seat 1 is provided with the bolt 4; on the end surface of the lower pressing seat 2, a plurality of the swing blocks 3 are arranged around the length direction extension line of the bolt 4 as the center; the swing block 3 comprises a fixed part 5, a swing part 6 and a forming part 7, the fixed part 5, the swing part 6 and the forming part 7 are sequentially connected, the fixed part 5 is connected with the lower pressing seat 2, the swing part 6 is swingable towards the side surface of the lower pressing seat 2, and the forming part 7 is provided with a first forming surface towards the side surface of the lower pressing seat 2; the bolt 4 is opposite to a plurality of forming parts 7, and the end portions of the plurality of forming parts 7 abut against the end surface of the annular workpiece.

[0043] Further comprising a forming sleeve 8, the upper pressing seat 1 is connected with the forming sleeve 8 on one side of the lower pressing seat 2, a machining hole 9 matched with the annular workpiece is formed in the middle of the forming sleeve 8, and a second forming surface is formed on the inner wall of the machining hole 9.

[0044] The forming sleeve 8 comprises a sleeve body 10 and a plurality of sliding blocks 11, the plurality of sliding blocks 11 are arranged around the sleeve body 10, and the machining hole 9 is formed between the plurality of sliding blocks 11.

[0045] The sleeve body 10 is slidably connected with the sliding block 11.

[0046] One side of the sliding block 11 is provided with a sliding groove inclined towards the middle of the sleeve body 10, and the sleeve body 10 is provided with a sliding rail matched with the sliding groove.

[0047] A first guide inclined surface is arranged on the end surface of the forming part 7 opposite to the bolt 4.

[0048] A second guide inclined surface matched with the first guide inclined surface on the forming part 7 is arranged on the end surface of the bolt 4.

[0049] In other embodiments, a guide groove is arranged on the end surface of the bolt 4 corresponding to the plurality of forming parts 7, and the forming part 7 abuts against the guide groove.

[0050] The spring 12 is connected between the forming sleeve 8 and the upper pressing seat 1, and a limiting part abutting against the end face of the annular workpiece is arranged in the processing hole 9 of the forming sleeve 8.

[0051] The positioning seat 13 is arranged on the lower pressing seat 2, the middle part of the positioning seat 13 is hollow, the end face of the positioning seat 13 is provided with an opening, and a plurality of swing blocks 3 are arranged in the positioning seat 13.

[0052] In summary, the annular workpiece side surface forming die provided by the utility model, through the cooperation of the swing block and the bolt, when the upper pressing seat moves downward, the bolt can abut against the forming part of the swing block, the swing part of the swing block abuts against the side face of the lower pressing seat, and then the side face of the annular workpiece sleeved on the swing block is extruded to form a convex structure; compared with the traditional arrangement of the side pushing sliding block, the cooperation of the swing block and the bolt is simpler and faster, and is more suitable for the side surface forming machining of small annular workpieces.

[0053] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation, direct or indirect application in the related technical field by using the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A side forming die for a ring-shaped workpiece, characterized by, The application relates to a pressing device for annular workpieces, which comprises an upper pressing seat, a lower pressing seat, a swing block and a bolt, the upper pressing seat moves towards the lower pressing seat, the lower pressing seat is provided with a plurality of swing blocks, and the upper pressing seat is provided with a bolt; a plurality of the swing blocks are arranged around the center line of the bolt length direction on the end surface of the lower pressing seat; the swing block comprises a fixed part, a swing part and a shaped part, the fixed part, the swing part and the shaped part are sequentially connected, the fixed part is connected with the lower pressing seat, the swing part is swingable towards the side surface of the lower pressing seat, and the shaped part is provided with a first shaped surface towards the side surface of the lower pressing seat; the bolt is opposite to a plurality of the shaped parts, and the end part of the plurality of the shaped parts is abutted against the end surface of the annular workpiece.

2. The ring-shaped workpiece side forming die according to claim 1, characterized by, The application further comprises a shaped sleeve, the upper pressing seat is connected with the shaped sleeve on the side towards the lower pressing seat, the middle part of the shaped sleeve is provided with a machining hole matched with the annular workpiece, and the inner wall of the machining hole is provided with a second shaped surface.

3. The annular workpiece side profile forming die of claim 2 wherein, The shaped sleeve comprises a sleeve body and a plurality of sliding blocks, the plurality of the sliding blocks are arranged around the sleeve body, and the machining hole is formed between the plurality of the sliding blocks.

4. The annular workpiece side profile forming die of claim 3, wherein, The sleeve body is slidingly connected with the sliding blocks.

5. The annular workpiece side profile forming die of claim 4 wherein, One side of the sliding block is provided with a sliding groove which is inclined towards the middle part of the sleeve body, and the sleeve body is provided with a sliding rail matched with the sliding groove.

6. The annular workpiece side profile forming die of claim 1 wherein, The end surface of the shaped part opposite to the bolt is provided with a first guide inclined surface.

7. The annular workpiece side profile forming die of claim 6 wherein, The end surface of the bolt is provided with a second guide inclined surface matched with the first guide inclined surface on the shaped part.

8. The annular workpiece side profile forming die of claim 7 wherein, The end surface of the bolt is provided with a guide groove corresponding to the plurality of the shaped parts, and the shaped part is abutted against the guide groove.

9. The annular workpiece side profile forming die of claim 2 wherein, The shaped sleeve is connected with the upper pressing seat through a spring, and the machining hole of the shaped sleeve is provided with a limiting part abutted against the end surface of the annular workpiece.

10. The annular workpiece side profile forming die of claim 1 wherein, The application further comprises a positioning seat, the positioning seat is arranged on the lower pressing seat, the middle part of the positioning seat is hollow, the end surface of the positioning seat is provided with an opening, and the plurality of the swing blocks are arranged in the positioning seat; the side surface of the positioning seat is provided with a hollow part corresponding to the first shaped surface of the shaped part.