Automatic punching and riveting machine for spring

Abstract

The utility model discloses an automatic punching and riveting machine for springs. The automatic punching and riveting machine comprises a base, the rack is fixedly connected to the top of the machine base; the punching and riveting device comprises a rack and a punching and riveting mechanism installed on the rack, the punching and riveting mechanism comprises a hydraulic cylinder, a connecting base is fixedly connected to the output end of the hydraulic cylinder, a punching head is fixedly connected to the bottom of the connecting base, and elastic connecting assemblies are installed on the two sides of the connecting base. A containing channel used for containing rivets is installed between the two elastic connecting assemblies. Firstly, workpieces to be riveted are sequentially placed on the punching and riveting base, then the hydraulic cylinder drives the connecting base to move downwards, when the connecting base moves downwards, the workpieces to be riveted are pressed and fixed through the pressing rubber ring at the bottom of the placing channel, and the workpieces to be riveted can be stably pressed along with continuous downward movement of the connecting base. And then the rivet in the placing channel is pressed on the workpiece through the punching head, so that convenient riveting of the workpiece can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of punching and riveting machines, in particular to an automatic spring punching and riveting machine. Background Art

[0002] Punch riveting machine is a kind of machine equipment that uses punch riveting technology for riveting. Punch riveting technology refers to the workpiece on the press, through the punch directly exerting axial force, so that the material expands radially to achieve the purpose of plastic deformation.

[0003] For example, a Chinese patent with the publication (announcement) number CN214185115U discloses a new type of punching and riveting machine, including a workbench, on the top of the workbench are arranged support column A, support platform A and support column B from left to right in sequence, support platform B is arranged on the top of support column B, slideway A is arranged at the head of support column A, slideway A is arranged in slideway A, punching holes are arranged on the axis of the slideway, slide rod A is connected to the bottom of support platform A, slideway B is arranged in the workbench, slide rod A slides in slideway B, the sliding sleeve and the slide rod can be driven to move by rotating the external handle, slideway C is arranged on support platform A, slideway C is arranged on pressure plate, slide rod B passing through slideway C is arranged under the pressure plate, a fixed sleeve is arranged at the end of slide rod B, a cylinder is arranged on the top of support platform B, the impact rod on the cylinder is aligned with the punching hole, air pipe A and air pipe B respectively connecting the front cavity and the rear cavity of the cylinder are communicated with the switching valve in the workbench, the switching valve is communicated with the compressed air source, and the control panel is electrically connected to the switching valve through a wire.

[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects:

[0005] The above technical solution is not convenient for pressing and fixing the workpiece to be riveted, thereby reducing the riveting efficiency of the workpiece. Utility Model Content

[0006] The utility model aims to provide a spring automatic punching and riveting machine, which first places the workpieces to be riveted on the punching and riveting seat in sequence, and then drives the connecting seat to move downward by a hydraulic cylinder, and while the connecting seat moves downward, firstly, the workpiece to be riveted is pressed and fixed by a compression rubber ring at the bottom of a placement channel, and as the connecting seat continues to move downward, the workpiece to be riveted can be firmly pressed, and then the rivet placed inside the placement channel is pressed onto the workpiece by a punching head, thereby realizing convenient riveting of the workpiece.

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A spring automatic riveting machine, comprising:

[0009] Machine base;

[0010] A frame fixedly connected to the top of the base;

[0011] A punching and riveting mechanism is installed on the frame, the punching and riveting mechanism includes a hydraulic cylinder, a connecting seat is fixedly connected to the output end of the hydraulic cylinder, a punching head is fixedly connected to the bottom of the connecting seat, elastic connecting components are installed on both sides of the connecting seat, and a placement channel for placing rivets is installed between the two elastic connecting components;

[0012] A punch rivet seat is used for placing workpieces to be riveted, and an oblique hole matching the punch head is opened on the top of the punch rivet seat.

[0013] In the above-mentioned spring automatic punching and riveting machine, the hydraulic cylinder is fixedly connected to the center of the top of the frame, and the output end of the hydraulic cylinder movably passes through the frame and extends to the outside of the frame.

[0014] The above-mentioned spring automatic riveting machine, wherein the elastic connecting component includes a connecting rod, the top of the connecting rod is fixedly connected to a connecting slide rod, the connecting slide rod is slidably connected to a connecting sleeve, and the connecting slide rod located between the connecting sleeve and the connecting rod is sleeved with a sleeve spring.

[0015] In the above-mentioned spring automatic punching and riveting machine, the connecting rod is fixedly connected to the side of the placement channel, and the side of the connecting sleeve close to the connecting seat is fixedly connected to the side of the connecting seat.

[0016] In the above-mentioned spring automatic punching and riveting machine, one end of the sleeve spring is fixedly connected to the connecting sleeve, and the other end of the sleeve spring is fixedly connected to the connecting rod.

[0017] In the above-mentioned spring automatic punching and riveting machine, the top of the connecting slide rod is fixedly connected with an anti-dropping block for limiting the connecting slide sleeve.

[0018] The above-mentioned spring automatic punching and riveting machine, wherein a compression rubber ring is fixedly connected to the bottom of the placement channel.

[0019] The utility model has at least the following beneficial effects:

[0020] In the utility model, a spring automatic punching and riveting machine is realized. First, the workpieces to be riveted are placed on the punching and riveting seat in sequence, and then the connecting seat is driven to move downward by the hydraulic cylinder. When the connecting seat moves downward, the workpiece to be riveted is first clamped and fixed by the clamping rubber ring at the bottom of the channel, and as the connecting seat continues to move downward, the workpiece to be riveted can be firmly clamped, and then the rivet placed inside the channel is pressed onto the workpiece by the punching head, thereby realizing convenient riveting of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 This is a structural schematic diagram of the utility model spring automatic punching and riveting machine;

[0023] Figure 2 It is a structural schematic diagram of the punching and riveting mechanism in the spring automatic punching and riveting machine of the utility model;

[0024] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of the placement channel in the spring automatic punching and riveting machine.

[0025] Description of Figure Numbers:

[0026] 1. Machine base; 2. Machine frame; 3. Punching and riveting mechanism; 4. Punching and riveting seat;

[0027] 301, hydraulic cylinder; 302, connecting seat; 303, punching head; 304, elastic connecting assembly; 305, placement channel;

[0028] 3041, connecting rod; 3042, connecting slide rod; 3043, connecting sleeve; 3044, sleeve spring; 30431, anti-slip block; 3051, tightening rubber ring; 401, oblique hole. DETAILED DESCRIPTION

[0029] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0031] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0032] Please refer to Figures 1 to 3 As shown, an embodiment of the utility model provides a spring automatic punching and riveting machine, comprising: a machine base 1, a frame 2 fixedly connected to the top of the machine base 1, a punching and riveting mechanism 3 installed on the frame 2, and a punching and riveting seat 4 for placing a workpiece to be riveted;

[0033] Please refer to Figures 1 to 3 As shown, the punching and riveting mechanism 3 includes a hydraulic cylinder 301, which is fixedly connected to the center of the top of the frame 2, and the output end of the hydraulic cylinder 301 movably penetrates the frame 2 and extends to the outside of the frame 2, and a connecting seat 302 is fixedly connected to the output end of the hydraulic cylinder 301, and a punching head 303 is fixedly connected to the bottom of the connecting seat 302, and elastic connecting components 304 are installed on both sides of the connecting seat 302, and a placement channel 305 for placing rivets is installed between the two elastic connecting components 304;

[0034] Please refer to Figures 1 to 3 As shown, the elastic connection component 304 includes a connection rod 3041, a connection slide rod 3042 is fixedly connected to the top of the connection rod 3041, a connection sleeve 3043 is slidably connected to the connection slide rod 3042, the connection rod 3041 is fixedly connected to the side of the placement channel 305, the side of the connection sleeve 3043 close to the connection seat 302 is fixedly connected to the side of the connection seat 302, a sleeve spring 3044 is sleeved on the connection slide rod 3042 located between the connection sleeve 3043 and the connection rod 3041, one end of the sleeve spring 3044 is fixedly connected to the connection sleeve 3043, and the other end of the sleeve spring 3044 is fixedly connected to the connection rod 3041;

[0035] Please refer to Figures 1 to 3 As shown, an inclined hole 401 matching with the punching head 303 is formed on the top of the punching seat 4 .

[0036] Please refer to Figures 1 to 3 As shown, the top of the connecting slide rod 3042 is fixedly connected with an anti-dropping block 30431 for limiting the connecting slide sleeve 3043;

[0037] By adopting the above technical solution, the anti-slip block 30431 is provided to limit the connection sleeve 3043, thereby preventing the connection sleeve 3043 from being separated from the connection slide rod 3042 during the sliding process.

[0038] Please refer to Figures 1 to 3 As shown, a compression rubber ring 3051 is fixedly connected to the bottom of the placement channel 305;

[0039] By adopting the above technical solution and providing the clamping rubber ring 3051, the stability of clamping and fixing the workpiece to be riveted is increased, and damage to the workpiece during clamping is avoided, thereby improving the practicality of the utility model.

[0040] The working principle of the utility model is: first, the workpieces to be riveted are placed on the punching and riveting seat 4 in sequence, and then the connecting seat 302 is driven to move downward by the hydraulic cylinder 301. When the connecting seat 302 moves downward, the workpiece to be riveted is first clamped and fixed by the clamping rubber ring 3051 at the bottom of the placement channel 305, and as the connecting seat 302 continues to move downward, the workpiece to be riveted can be firmly clamped, and then the rivet inside the placement channel 305 is pressed onto the workpiece by the punching head 303, so that convenient riveting of the workpiece can be achieved.

[0041] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A spring automatic riveting machine, characterized in that: include: Machine base (1); A frame (2) fixedly connected to the top of the base (1); A punching and riveting mechanism (3) mounted on the frame (2), the punching and riveting mechanism (3) comprising a hydraulic cylinder (301), a connecting seat (302) being fixedly connected to the output end of the hydraulic cylinder (301), a punching head (303) being fixedly connected to the bottom of the connecting seat (302), elastic connecting components (304) being mounted on both sides of the connecting seat (302), and a placement channel (305) for placing rivets being mounted between the two elastic connecting components (304); A punch rivet seat (4) is used for placing workpieces to be riveted, and an inclined hole (401) matching the punch head (303) is provided on the top of the punch rivet seat (4).

2. The spring automatic punching and riveting machine according to claim 1, characterized in that: The hydraulic cylinder (301) is fixedly connected to the center of the top of the frame (2), and the output end of the hydraulic cylinder (301) movably passes through the frame (2) and extends to the outside of the frame (2).

3. The spring automatic punching and riveting machine according to claim 2, characterized in that: The elastic connection assembly (304) comprises a connection rod (3041), the top of which is fixedly connected to a connection slide rod (3042), the connection slide rod (3042) being slidably connected to a connection sleeve (3043), and a sleeve spring (3044) being sleeved on the connection slide rod (3042) located between the connection sleeve (3043) and the connection rod (3041).

4. The spring automatic punching and riveting machine according to claim 3, characterized in that: The connecting rod (3041) is fixedly connected to the side of the placement channel (305), and the side of the connecting sleeve (3043) close to the connecting seat (302) is fixedly connected to the side of the connecting seat (302).

5. The spring automatic punching and riveting machine according to claim 4, characterized in that: One end of the sleeve spring (3044) is fixedly connected to the connecting sleeve (3043), and the other end of the sleeve spring (3044) is fixedly connected to the connecting rod (3041).

6. The spring automatic punching and riveting machine according to claim 5, characterized in that: The top of the connecting slide rod (3042) is fixedly connected with an anti-dropping block (30431) for limiting the connecting slide sleeve (3043).

7. The spring automatic punching and riveting machine according to claim 6, characterized in that: A compression rubber ring (3051) is fixedly connected to the bottom of the placement channel (305).

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