Pressing and riveting tool for sheet metal part machining

By introducing hydraulic drive and clamping ring structure into the sheet metal processing riveting fixture, the problems of deformation of sheet metal parts and rivet bending during the riveting process are solved, achieving higher quality riveting effect and increased durability of clamping ring.

CN223718134UActive Publication Date: 2025-12-26SUZHOU YANXING SHEET METAL TECH CO LTD
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Patent Information

Application Number
CN202423248632.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-26
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Sheet metal parts are prone to deformation and rivet bending during the riveting process, which affects the riveting effect.

Method used

A sheet metal part processing press riveting fixture was designed, which includes a press riveting base, a lower die, an upper die, a hydraulic cylinder, a bidirectional threaded rod, a moving block, a clamping ring, and a micro motor. The upper die is driven to descend by the hydraulic cylinder and the clamping ring clamps the two sides of the sheet metal part. Wear-resistant layer and guide post are used to avoid deformation and rivet bending.

Benefits of technology

It improves the stability and quality of sheet metal riveting, extends the service life of clamping rings, avoids rivet deformation, and enhances riveting effect.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223718134U_ABST
    Figure CN223718134U_ABST
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Abstract

The utility model discloses a sheet metal part machining pressure riveting tool which comprises a pressure riveting base, a lower die and an upper die, the lower die is arranged at the top of the pressure riveting base, the upper die is arranged at the top of the lower die, an adjusting frame is fixedly installed at the top of the pressure riveting base, a hydraulic cylinder is arranged at the top of the adjusting frame, and a two-way threaded rod is arranged in the pressure riveting base. By arranging the two-way threaded rod, the moving blocks, the vertical plates, the clamping rings, a wear-resistant layer and a micro motor, a sheet metal part is placed on the surface of the lower die, and after the micro motor is started, the two-way threaded rod in transmission connection with an output shaft of the micro motor is driven to rotate synchronously, so that the sheet metal part is clamped in the clamping rings, and the sheet metal part is clamped in the clamping rings. The two clamping rings can clamp the two sides of the sheet metal part, so that the sheet metal part is kept stable in the press riveting process, the press riveting quality of the sheet metal part is improved, the wear-resistant layer is made of a high manganese steel material and has wear resistance and impact resistance, and the service life of the clamping rings is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal part processing technical field, in particular to a sheet metal part processing pressure riveting frock. BACKGROUND

[0002] The so-called pressure riveting operation refers to that in the riveting process under external pressure, the pressure riveting part makes the plastic deformation of the machine body material, and then is extruded into the prefabricated groove specially arranged in the riveting screw and nut structure, so that the reliable connection mode of two parts is realized.

[0003] In the patent with the publication number CN215237559U, a kind of sheet metal part pressure riveting frock with arc surface is disclosed, including upper die and lower die, the upper die and the lower die are formed with mutually matched arc surface, and are used to abut with the sheet metal part, to be extruded into the shape that it is attached with the arc surface;At least one rivet pressing hole for facilitating the rivet on the sheet metal part to pass through is arranged on the lower die, the arc surface includes the outer arc surface formed by the upper die, and the inner arc surface formed by the lower die;The outer arc surface is attached with the inner arc surface.

[0004] In the above-mentioned technology, the upper die and the lower die are used to apply force to the sheet metal part and the rivet on the sheet metal part, which simultaneously realizes the installation of the rivet and the forming of the arc surface of the sheet metal part, reducing the time consumption. However, during the pressure riveting process, the sheet metal part does not have a clamping structure on both sides, which may cause deviation during the pressure riveting process. The sheet metal part may deform under pressure, and the rivet may bend, affecting the riveting effect. Therefore, innovation is needed in this technology. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of sheet metal part processing pressure riveting frock, to solve the problem that the sheet metal part may deform under pressure, and the rivet may bend, affecting the riveting effect as proposed in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of sheet metal part processing pressure riveting frock, including pressure riveting seat, lower die and upper die, the lower die is arranged at the top of pressure riveting seat, the upper die is arranged at the top of lower die, the top of pressure riveting seat is fixedly installed with adjusting frame, the top of adjusting frame is provided with hydraulic cylinder, the inside of pressure riveting seat is provided with bidirectional screw rod, the both ends of bidirectional screw rod are both sleeved with moving block, the both sides of lower die are both provided with clamping ring, the side of two clamping rings is both provided with wear-resistant layer.

[0007] As a preferred technical scheme of the utility model, the top of the upper die is drivingly connected with the output shaft of the hydraulic cylinder, and the bottom of the upper die is provided with a plurality of guide columns.

[0008] As a preferred technical scheme of the utility model, one side of the press-in seat is provided with a micro motor, two moving blocks are respectively threadedly sleeved with two ends of the bidirectional threaded rod.

[0009] As a preferred technical scheme of the utility model, an output shaft of the micro motor is in transmission connection with one end of the bidirectional threaded rod.

[0010] As a preferred technical scheme of the utility model, the top of two moving blocks is fixedly installed with vertical plates, and one side of two clamping rings is provided with two embedding holes.

[0011] As a preferred technical scheme of the utility model, one side of two vertical plates is provided with two limiting bolts, and one end of four limiting bolts is respectively in threaded connection with the inside of four embedding holes.

[0012] As a preferred technical scheme of the utility model, the surface of the lower die is provided with a plurality of riveting holes.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses a bidirectional threaded rod, moving block, vertical plate, clamping ring, wear -resisting layer and micro motor are set up, the sheet metal part is placed to the surface of the lower die, starts micro motor, drives the synchronous rotation of the bidirectional threaded rod of output shaft transmission connection, because the outer surface of moving block is tightly attached to the inner wall of press-in seat, thereby drive the moving of the moving block of screw sleeve, after the relative movement of two moving blocks, drive the relative movement of two clamping rings under the connection of vertical plate, two clamping rings can clamp the both sides of sheet metal part, make it keep stable in the press-in process, improve the quality of sheet metal part press-in, wear -resisting layer is made of high manganese steel material, has wear resistance and impact resistance, prolongs the service life of clamping ring.

[0015] 2、The utility model discloses a limiting bolt, embedding hole, guide column and riveting hole are set up, two limiting bolts are reversely rotated, make it from the inside of embedding hole and separate, can complete the split of vertical plate and clamping ring, and it is convenient to replace brand -new clamping ring, starts hydraulic cylinder, drives the up-and-down movement of upper die, along with the descent of upper die, the guide column installed on its bottom is in turn inserted into the inside of riveting hole, effectively avoid the rivet deformation in the process of sheet metal part press-in. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view structural schematic diagram of the utility model;

[0017] Figure 2 It is the front view structural schematic diagram of the utility model; Figure 1 It is the enlarged view of A place in the utility model;

[0018] Figure 3 It is a partial front view structural schematic diagram of the utility model.

[0019] Figure 4 It is a partial side view structural schematic diagram of the utility model.

[0020] In the drawing: 1, the rivet seat; 2, the lower mould; 3, the adjusting frame; 4, the hydraulic cylinder; 5, the upper mould; 10, the bidirectional screw rod; 11, the moving block; 12, the vertical plate; 13, the limiting bolt; 14, the clamping ring; 15, the wear-resistant layer; 16, the micro motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme of sheet metal part machining riveting tool:

[0023] Embodiment one:

[0024] As Figures 1-3 shown, a kind of sheet metal part machining riveting tool, including rivet seat 1, lower mould 2 and upper mould 5, lower mould 2 is set in the top of rivet seat 1, upper mould 5 is set in the top of lower mould 2, the top of rivet seat 1 is fixedly installed with adjusting frame 3, the top of adjusting frame 3 is provided with hydraulic cylinder 4, the inside of rivet seat 1 is provided with bidirectional screw rod 10, the both ends of bidirectional screw rod 10 are all set with moving block 11, the both sides of lower mould 2 are all provided with clamping ring 14, the side of two clamping rings 14 is all provided with wear-resistant layer 15, after the relative movement of two moving blocks 11, under the connection of vertical plate 12, two clamping rings 14 are driven to move relative, two clamping rings 14 can be clamped to the both sides of sheet metal part, so that it keeps stable in the riveting process, improve the quality of sheet metal part riveting, wear-resistant layer 15 is made of high manganese steel material, with wear resistance and impact resistance, prolong the service life of clamping ring 14.

[0025] Embodiment two:

[0026] On the basis of embodiment one, as Figure 1 and Figure 4As shown, the top of the two moving blocks 11 is fixedly provided with a vertical plate 12, one side of the two clamping rings 14 is provided with two embedding holes, one side of the two vertical plates 12 is provided with two limiting bolts 13, one end of the four limiting bolts 13 is respectively screwed with the inside of the four embedding holes, and reverse rotation of the two limiting bolts 13 can make them separate from the inside of the embedding holes, so that the vertical plate 12 and the clamping ring 14 can be disassembled, the brand new clamping ring 14 can be replaced, and the upper die 5 can be driven to move up and down after the hydraulic cylinder 4 is started.

[0027] Working principle: the so-called pressure riveting operation refers to that in the riveting process, the pressure riveting part makes the machine material plastically deform under external pressure, and then is extruded into the prefabricated groove in the riveting screw and nut structure, so that the reliable connection of two parts is realized, and the pressure riveting of the sheet metal product is usually carried out after the sheet metal product is in the state of flat plate and bending forming, and the pressure casting of the sheet metal product is mainly realized by using the upper and lower die mode, and in the above-mentioned technology, the sheet metal part does not have a clamping structure on both sides, and deviation may occur in the pressure riveting process, the sheet metal part may deform under pressure, and the rivet may be bent, which affects the riveting effect, therefore, the sheet metal part is placed on the surface of the lower die 2, the micro motor 16 is started, and the bidirectional threaded rod 10 connected with the output shaft of the micro motor 16 is driven to rotate synchronously, the outer surface of the moving block 11 is tightly attached to the inner wall of the pressure riveting seat 1, so that the moving block 11 threadedly sleeved with the pressure riveting seat 1 is driven to move, the two moving blocks 11 relatively move, the two clamping rings 14 are relatively moved under the connection of the vertical plate 12, and the two clamping rings 14 can clamp the two sides of the sheet metal part, so that the sheet metal part can be kept stable in the pressure riveting process, the quality of the sheet metal part pressure riveting is improved, the wear-resistant layer 15 is made of high manganese steel material and has wear resistance and impact resistance, the extrusion force of the pressure riveting sheet metal part on the clamping ring 14 is avoided to be large, so that the wear-resistant layer 15 is not damaged to a large extent, and the service life of the clamping ring 14 is prolonged, the two limiting bolts 13 are reversely rotated and separated from the inside of the embedding hole, so that the vertical plate 12 and the clamping ring 14 can be disassembled, the brand new clamping ring 14 can be replaced, the upper die 5 is driven to move up and down after the hydraulic cylinder 4 is started, and the guide column arranged at the bottom of the upper die 5 penetrates into the inside of the riveting hole in sequence, so that the rivet deformation in the pressure riveting process of the sheet metal part is effectively avoided.

[0028] In the description of the utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0029] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0030] Although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sheet metal part processing press riveting tool, comprising a press riveting seat (1), a lower die (2) and an upper die (5), the lower die (2) is arranged on the top of the press riveting seat (1), and the upper die (5) is arranged on the top of the lower die (2), characterized in that: The top of the press riveting seat (1) is fixedly provided with an adjusting frame (3), the top of the adjusting frame (3) is provided with a hydraulic cylinder (4), the inside of the press riveting seat (1) is provided with a bidirectional threaded rod (10), the two ends of the bidirectional threaded rod (10) are both sleeved with moving blocks (11), the two sides of the lower die (2) are both provided with clamping rings (14), and one side of the two clamping rings (14) is provided with wear-resistant layers (15).

2. The sheet metal part machining and press riveting tooling apparatus of claim 1, wherein: The top of the upper die (5) is in transmission connection with the output shaft of the hydraulic cylinder (4), and the bottom of the upper die (5) is provided with a plurality of guide columns.

3. The press-riveting tool for sheet metal parts according to claim 1, characterized in that: One side of the press riveting seat (1) is provided with a micro motor (16), and the two moving blocks (11) are respectively threadedly sleeved with the two ends of the bidirectional threaded rod (10).

4. The press-riveting tooling for sheet metal parts according to claim 3, characterized in that: The output shaft of the micro motor (16) is in transmission connection with one end of the bidirectional threaded rod (10).

5. The press-riveting tool for sheet metal parts according to claim 1, characterized in that: The top of each of the two moving blocks (11) is fixedly provided with a vertical plate (12), and one side of each of the two clamping rings (14) is provided with two embedded holes.

6. The press-riveting tool for sheet metal parts according to claim 5, characterized in that: One side of each of the two vertical plates (12) is provided with two limiting bolts (13), and one end of each of the four limiting bolts (13) is in threaded connection with the inside of the four embedded holes.

7. The press-riveting tool for sheet metal parts according to claim 1, characterized in that: The surface of the lower die (2) is provided with a plurality of riveting holes.

Citation Information

Patent Citations

  • A sheet metal riveting fixture with curved surfaces

    CN215237559U