Simple and effective punching and riveting forming device

Abstract

The utility model discloses a simple and effective punching and riveting forming device, which relates to the technical field of automobile part manufacturing and comprises a pressing plate, a movement guide plate, a radial buckling and pressing mechanism and a wedge-shaped cover. A limiting through hole matched with a product is formed in the center of the movement guide plate, and a positioning bottom plate is arranged in the limiting through hole. The radial buckling and pressing mechanism is arranged on the motion guide plate and is in a hollow circular truncated cone shape; a cavity matched with a product is formed in the middle of the radial buckling and pressing mechanism; the radial buckling and pressing mechanism is formed by splicing a plurality of half blocks in a surrounding mode, and the half blocks can slide on the movement guide plate in the radial direction. The wedge-shaped cover is inversely installed on the bottom face of the pressing plate, and when the wedge-shaped cover descends along with the pressing plate, all the half blocks evenly slide towards the center under the action of the wedge-shaped cover, and radial buckling and pressing are conducted on a product. According to the utility model, large special rotary equipment is effectively replaced by the punching device with a smaller size, so that the use area of a site is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts manufacturing, in particular to a simple and effective punching and riveting forming device. Background Art

[0002] The traditional sealing molding of the liquid-filled shell and the rubber vulcanized body usually requires the use of large-scale special rotary equipment, which not only requires a large site area, but also has a high production cost. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a simple and effective punching and riveting forming device, which effectively replaces large-scale special rotary equipment with a smaller-sized punching device, thereby saving site usage area.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a simple and effective punching and riveting forming device, including a pressure plate, a moving guide plate, a radial pressing mechanism and a wedge-shaped cover; a limiting through hole adapted to the product is arranged at the center of the moving guide plate, and a positioning base plate is arranged in the limiting through hole; the radial pressing mechanism is arranged on the moving guide plate, and is in the shape of a hollow truncated cone; the middle part of the radial pressing mechanism is a cavity adapted to the product; the radial pressing mechanism is formed by a plurality of half blocks spliced ​​together, and each half block can slide radially on the moving guide plate; the wedge-shaped cover is inverted on the bottom surface of the pressure plate, and when the wedge-shaped cover descends with the pressure plate, each half block slides evenly toward the center under the action of the wedge-shaped cover to radially press the product.

[0005] A further improvement is that the inner side surface of the wedge-shaped cover is a wedge-shaped surface, the upper end of the wedge-shaped cover is connected to the pressure plate through a connecting block, and an anti-collision block is arranged at the lower end of the wedge-shaped cover.

[0006] A further improvement is that: a plurality of guide grooves corresponding to the half blocks are arranged on the top surface of the motion guide plate around the limiting through hole, and the half blocks are slidably arranged in the corresponding guide grooves.

[0007] A further improvement is that the outer side surface of the half block is a wedge-shaped surface, and the bottom of the half block is provided with a guide pin that is matched with the corresponding guide groove.

[0008] A further improvement is that: the positioning bottom plate is provided with a positioning concave surface adapted to the product.

[0009] A further improvement is that a supporting protrusion adapted to the product is provided at the edge of the limiting through hole on the upper edge of the motion guide plate.

[0010] A further improvement is that the motion guide plate is a two-petal structure, and the bottom surface of the motion guide plate is provided with an avoidance groove matched with the positioning bottom plate.

[0011] A further improvement is that a pressing mechanism is also provided on the bottom surface of the pressing plate, and the pressing mechanism is located in the wedge-shaped cover and is used for pressing the product.

[0012] A further improvement is that the clamping mechanism includes a connecting seat and a lifting block, the upper end of the connecting seat is fixedly connected to the pressure plate, the upper end of the lifting block is movably inserted into the connecting seat, and the lower end of the lifting block is provided with a pressure head.

[0013] A further improvement is that the radial buckling mechanism is formed by six half blocks spliced ​​together in a circular manner.

[0014] The beneficial effects of the utility model are:

[0015] 1. In the utility model, a relatively small-sized punching device can effectively replace a large-scale special rotary device, thus saving the site usage area.

[0016] 2. In the present invention, the radial engagement size can be controlled by the upward and downward displacement of the punching device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the punching and riveting forming device in the embodiment of the utility model;

[0018] Figure 2 It is a side view of the punching and riveting forming device in the embodiment of the utility model;

[0019] Figure 3 It is a cross-sectional view of the punching and riveting forming device in the embodiment of the utility model;

[0020] Figure 4 It is a top view of the motion guide plate and the radial buckling mechanism in the embodiment of the utility model;

[0021] Figure 5 It is a cross-sectional view of the motion guide plate and the radial buckling mechanism in the embodiment of the utility model;

[0022] Figure 6 It is a cross-sectional view of the wedge-shaped cover and the clamping mechanism in the embodiment of the utility model.

[0023] Reference numerals:

[0024] 1-movement guide plate; 11-limiting through hole; 12-supporting protrusion; 13-guide groove; 14-avoidance groove;

[0025] 2-positioning bottom plate; 21-positioning concave surface;

[0026] 3- radial buckling mechanism; 31- cavity; 32- guide pin;

[0027] 4-Pressing plate;

[0028] 5-clamping mechanism; 51-connecting seat; 52-lifting block; 53-pressing head;

[0029] 6-wedge-shaped cover; 61-connecting block; 62-anti-collision block. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0031] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0032] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0033] See also Figure 1 to Figure 3 As shown, an embodiment of the utility model provides a simple and effective punching and riveting forming device, including a pressing plate 4, a moving guide plate 1, a radial pressing mechanism 3 and a wedge-shaped cover 6.

[0034] See also Figure 4-5 As shown, a limiting through hole 11 adapted to the product is provided at the center of the motion guide plate 1, and a positioning base plate 2 is provided in the limiting through hole 11; specifically, a positioning concave surface 21 adapted to the product is provided on the positioning base plate 2. A supporting protrusion 12 adapted to the product is provided on the edge of the limiting through hole 11 on the motion guide plate 1. The motion guide plate 1 is a two-petal structure, which is convenient for inserting the product for support, and an avoidance groove 14 adapted to the positioning base plate 2 is provided on the bottom surface of the motion guide plate 1.

[0035] See also Figure 4-5As shown, the radial clamping mechanism 3 is arranged on the motion guide plate 1, and is in the shape of a hollow truncated cone; the middle part of the radial clamping mechanism 3 is a cavity 31 adapted to the product; the radial clamping mechanism 3 is formed by a plurality of half blocks spliced ​​together, and each half block can slide radially on the motion guide plate 1; specifically, the top surface of the motion guide plate 1 is provided with a plurality of guide grooves 13 corresponding to the half blocks one by one around the limiting through hole 11, and the half blocks are slidably arranged in the corresponding guide grooves 13. Specifically, the outer side surface of the half block is a wedge-shaped surface, and the bottom of the half block is provided with a guide pin 32 adapted to the corresponding guide groove 13. In this embodiment, the radial clamping mechanism 3 is formed by six half blocks spliced ​​together. Six guide grooves are processed on the motion guide plate 1, and each guide groove is evenly distributed at 60 degrees, and the size of the guide groove is 8 (+0.4 / +0.2) mm wide*8 mm deep*68 mm long. The wedge-shaped surface of the half block forms an angle of 15 degrees with the vertical center along the circumference, and the wedge-shaped surface of the wedge cover forms an angle of 15 degrees with the vertical center along the circumference.

[0036] See also Figure 6 As shown, the wedge-shaped cover 6 is inverted on the bottom surface of the pressing plate 4. When the wedge-shaped cover 6 descends with the pressing plate 4, each half block slides evenly toward the center under the action of the wedge-shaped cover 6 to radially buckle the product. Specifically, the inner side of the wedge-shaped cover 6 is a wedge-shaped surface, the upper end of the wedge-shaped cover 6 is connected to the pressing plate 4 through a connecting block 61, and the lower end of the wedge-shaped cover 6 is provided with an anti-collision block 62.

[0037] See also Figure 6 As shown, a clamping mechanism 5 is also provided on the bottom surface of the pressing plate 4, and the clamping mechanism 5 is located in the wedge-shaped cover 6 and is used to press the product. Specifically, the clamping mechanism 5 includes a connecting seat 51 and a lifting block 52. The upper end of the connecting seat 51 is fixedly connected to the pressing plate 4, and the upper end of the lifting block 52 is movably inserted in the connecting seat 51. The lower end of the lifting block 52 is provided with a pressing head 53. The working parts of the utility model are all in a rotating body structure, which can be easily processed.

[0038] The working principle of the utility model is:

[0039] The product to be rolled and riveted is positioned on the positioning plate in the direction. The moving guide plate is a two-petal structure, which is convenient for buckling and supporting the parts. During the downward pressing of the wedge-shaped cover, the clamping mechanism clamps the product. The six-piece half block slides evenly toward the center along the guide plate under the dual action of the wedge-shaped cover and the guide groove, and radially buckles the product to complete the sealing and forming of the liquid-filled shell and the rubber vulcanized body. The utility model can realize the radial horizontal buckling forming technology around the center line of the product on general equipment without adding special rolling (spinning) riveting equipment, and the quality meets customer requirements.

[0040] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0041] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A simple and effective punching and riveting forming device, comprising a pressing plate (4), characterized in that: It also includes a moving guide plate (1), a radial pressing mechanism (3) and a wedge-shaped cover (6); A limiting through hole (11) adapted to the product is provided at the center of the motion guide plate (1), and a positioning base plate (2) is provided in the limiting through hole (11); The radial pressing mechanism (3) is arranged on the moving guide plate (1) and is in the shape of a hollow truncated cone; the middle of the radial pressing mechanism (3) is a cavity (31) adapted to the product; the radial pressing mechanism (3) is formed by a plurality of half blocks spliced ​​together, and each half block can slide radially on the moving guide plate (1); The wedge-shaped cover (6) is inverted on the bottom surface of the pressing plate (4). When the wedge-shaped cover (6) descends along with the pressing plate (4), each half block slides evenly toward the center under the action of the wedge-shaped cover (6) to radially press the product.

2. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The inner side surface of the wedge-shaped cover (6) is a wedge-shaped surface, the upper end of the wedge-shaped cover (6) is connected to the pressing plate (4) through a connecting block (61), and the lower end of the wedge-shaped cover (6) is provided with an anti-collision block (62).

3. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The top surface of the motion guide plate (1) is provided with a plurality of guide grooves (13) corresponding to the half blocks one by one around the limiting through hole (11), and the half blocks are slidably arranged in the corresponding guide grooves (13).

4. The simple and effective punching and riveting forming device according to claim 3 is characterized in that: The outer side surface of the half block is a wedge-shaped surface, and the bottom of the half block is provided with a guide pin (32) matched with the corresponding guide groove (13).

5. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The positioning bottom plate (2) is provided with a positioning concave surface (21) adapted to the product.

6. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: A supporting protrusion (12) adapted to the product is provided on the edge of the limiting through hole (11) on the moving guide plate (1).

7. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The motion guide plate (1) is a two-petal structure, and the bottom surface of the motion guide plate (1) is provided with an avoidance groove (14) adapted to the positioning bottom plate (2).

8. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The bottom surface of the pressing plate (4) is also provided with a pressing mechanism (5), which is located inside the wedge-shaped cover (6) and is used for pressing the product.

9. The simple and effective punching and riveting forming device according to claim 8 is characterized in that: The clamping mechanism (5) comprises a connecting seat (51) and a lifting block (52); the upper end of the connecting seat (51) is fixedly connected to the pressing plate (4); the upper end of the lifting block (52) is movably inserted into the connecting seat (51); and the lower end of the lifting block (52) is provided with a pressing head (53).

10. The simple and effective punching and riveting forming device according to claim 1 is characterized in that: The radial pressing mechanism (3) is formed by six half blocks spliced ​​together in a circular manner.

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