Stamping tool for rivets

By designing a stamping tool with clamping unit and adjustment unit, the problem of unstable clamping of rivets of different sizes during the riveting process is solved, and suitable stamping of rivets of different lengths is achieved, which improves production efficiency and operation safety.

CN222957430UActive Publication Date: 2025-06-10WUJIANG DARONG MASCH EQUIP LTD CO

Patent Information

Application Number
CN202421675954.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-10
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

When riveting different workpieces, facing rivets of different sizes, the prior art requires different fixtures to fix the bottom of the rivets to avoid offset during riveting.

Method used

A stamping tool set including a clamping unit and an adjustment unit is designed, and the first drive motor is used to adjust and clamp the bottom of the rivet by a worm and gear transmission system, and the second drive motor and hydraulic cylinder system is used to realize the stamping of rivets of different lengths.

Benefits of technology

The stable clamping of rivets according to different sizes and suitable stamping of rivets of different lengths is achieved, which avoids deviations during the riveting process and improves production efficiency and operation safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stamping tool for rivets, which relates to the technical field of rivet stamping and comprises a main body unit, a clamping unit, an adjusting unit and a stamping unit, the clamping unit and the adjusting unit are arranged in the main body unit, and the stamping unit is arranged on the side portion of the adjusting unit. The clamping unit comprises a stamping base installed on the inner bottom wall of the main body unit, a rotating shaft movably arranged in the stamping base, a gear installed on the side wall of the rotating shaft, a worm movably arranged in the stamping base and engaged with the gear, a clamping piece arranged above the rotating shaft and a first driving motor installed at the input end of the worm. According to the stamping tool for the rivets, through the arrangement of the clamping unit and the adjusting unit, the purpose that the bottoms of the rivets are adjusted and clamped conveniently according to the rivets of different sizes is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rivet stamping, and particularly relates to a stamping tooling for rivets. Background Art

[0002] Rivet riveting is widely used in the mechanical field as a low-cost and high-fastening fixed connection method. It has no requirements for the surface of the plate parts, and the original plating and paint layers on the surface of the plate parts at the connection points are not damaged. The connection process has a high degree of automation, can connect single-point or multi-point simultaneously, can perform non-destructive connection strength detection and full-process automatic monitoring, and has high production efficiency.

[0003] Upon retrieval, the publication (announcement) number: CN214557110U discloses a stamping tooling for rivets, including a stamping machine with a stamping worktable surface; a base installed on the stamping worktable surface for supporting a cylindrical workpiece to be punched and riveted, and two upward rivets penetrating through the bottom of the workpiece to be punched and riveted; a stamping head located above the rivets, having two elongated stamping rod parts respectively corresponding to the rivets; a guide bushing sleeved on the lower end of the stamping head and pressing against the bottom of the workpiece to be punched and riveted, exposing the rivets; a support plate for supporting the guide bushing and installed on a height adjustment frame; wherein, the stamping head is stamped by the stamping machine and descends in the guide bushing to punch and rivet the rivets on the workpiece to be punched and riveted. This utility model can adapt to the riveting of various internal rivets, improve the surface quality and safety of punching and riveting, and improve the punching and riveting efficiency. There is an urgent need to study a stamping tooling for rivets that can ensure the safety of operators.

[0004] Although the above solution can adapt to the riveting of various internal rivets and improve the surface quality and safety of punching and riveting, when riveting different workpieces, for rivets of different sizes, different jigs are required to fix the bottom of the rivets to ensure that there is no offset during riveting. Therefore, we propose a stamping tooling for rivets. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a stamping tooling for rivets, which solves the problem that when riveting different workpieces, for rivets of different sizes, different jigs are required to fix the bottom of the rivets to ensure that there is no offset during riveting by setting a clamping unit and an adjusting unit.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A stamping tooling for rivets includes a main body unit, and also includes a clamping unit and an adjusting unit arranged inside the main body unit, and a stamping unit arranged on the side of the adjusting unit;

[0008] The clamping unit includes a stamping seat installed on the inner bottom wall of the main body unit, a rotating shaft movably arranged in the stamping seat, a gear installed on the side wall of the rotating shaft, a worm movably arranged inside the stamping seat and meshing with the gear, a clamping member arranged above the rotating shaft, and a first driving motor installed at the input end of the worm;

[0009] The adjusting unit includes a fixed seat installed on the inner side wall of the main body unit, a threaded shaft movably arranged in the fixed seat, a moving member installed on the circumferential side of the threaded shaft, and a second driving motor installed at the input end of the threaded shaft.

[0010] Preferably, the main body unit includes a U-shaped seat and a support seat installed at the bottom of the U-shaped seat.

[0011] Preferably, the clamping member includes a fixed box installed on the inner side wall of the stamping seat, a rotating disk installed at the top of the rotating shaft, a moving rod movably arranged in the fixed box, an arc-shaped clamping plate installed at the top of the moving rod, and a connecting rod with one end movably connected to the rotating disk and the other end movably connected to the moving rod.

[0012] Preferably, there are four groups of the clamping members, and the four groups of clamping members are arranged in a circular array with respect to the rotating shaft.

[0013] Preferably, the adjusting unit further includes a limit washer installed on the inner side wall of the fixed seat, and the limit washer is sleeved on the circumferential side of the threaded shaft.

[0014] Preferably, the stamping unit includes a connecting plate installed on the side wall of the moving member, a hydraulic cylinder installed on the side wall of the connecting plate, and a stamping plate installed at the telescopic end of the hydraulic cylinder.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, through the arranged clamping unit and adjusting unit, when it is necessary to stably clamp the bottom of the rivet according to different sizes of rivets, the first driving motor drives the worm to rotate, and the worm drives the rotating shaft to rotate synchronously, so that the rotating disk pulls the moving rod to move in the fixed box through the connecting rod until the inner wall of the arc-shaped clamping plate fits the side wall of the rivet and then stops, thus conveniently realizing the adjustment and clamping of the bottom of the rivet according to different sizes of rivets; when it is necessary to punch rivets with different lengths, the second driving motor drives the threaded shaft to rotate, and the moving member drives the stamping unit to move up and down along the threaded shaft until the distance between the stamping plate and the top of the rivet is suitable for the punching operation and then stops. After putting the rivet and the punching part, the telescopic end of the hydraulic cylinder extends, and the stamping plate can be driven to punch the rivet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic right view structure diagram of the present utility model;

[0019] Figure 3 For the present utility model Figure 2 A sectional view structure diagram at A-A in it;

[0020] Figure 4 For the present utility model Figure 2 A sectional view structure diagram at B-B in it;

[0021] Figure 5 For the present utility model Figure 3 A sectional view structure diagram at C-C in it.

[0022] In the figure:

[0023] 1. Main body unit; 101. C-shaped seat; 102. Support seat;

[0024] 2. Clamping unit; 201. Rotating shaft; 202. Gear; 203. Worm; 204. Clamping piece; 2041. Rotating disk; 2042. Fixed box; 2043. Moving rod; 2044. Connecting rod; 2045. Arc-shaped clamping plate; 205. First driving motor;

[0025] 3. Adjusting unit; 301. Fixed seat; 302. Threaded shaft; 303. Moving part; 304. Second driving motor; 305. Limit washer;

[0026] 4. Stamping unit; 401. Connecting plate; 402. Hydraulic cylinder; 403. Stamping plate. Specific implementation manners

[0027] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners. Embodiment

[0028] As Figure 1 , Figure 3 , Figure 4 and Figure 5 shown, a stamping tool for rivets includes a main body unit 1, and further includes a clamping unit 2 and an adjusting unit 3 arranged inside the main body unit 1, and a stamping unit 4 arranged on the side of the adjusting unit 3;

[0029] As Figure 5As shown, the clamping unit 2 includes a stamping seat installed on the inner bottom wall of the main body unit 1, a rotating shaft 201 movably arranged in the stamping seat, a gear 202 installed on the side wall of the rotating shaft 201, a worm 203 movably arranged inside the stamping seat and meshing with the gear 202, a clamping member 204 arranged above the rotating shaft 201, and a first driving motor 205 installed at the input end of the worm 203. When the first driving motor 205 drives the worm 203 to rotate, the rotating shaft 201 can be driven to rotate synchronously through the gear 202;

[0030] As Figure 5 shown, the adjusting unit 3 includes a fixed seat 301 installed on the inner side wall of the main body unit 1, a threaded shaft 302 movably arranged in the fixed seat 301, a moving member 303 installed on the circumferential side of the threaded shaft 302, and a second driving motor 304 installed at the input end of the threaded shaft 302. When the second driving motor 304 drives the threaded shaft 302 to rotate, the moving member 303 can move along the threaded shaft 302.

[0031] As Figure 1 shown, the main body unit 1 includes a U-shaped seat 101 and a support seat 102 installed at the bottom of the U-shaped seat 101. The setting of the support seat 102 provides support for the stable operation of the entire tooling.

[0032] As Figure 3 With Figure 4 shown, the clamping member 204 includes a fixed box 2042 installed on the inner side wall of the stamping seat, a rotating disk 2041 installed at the top of the rotating shaft 201, a moving rod 2043 movably arranged in the fixed box 2042, an arc-shaped clamping plate 2045 installed at the top of the moving rod 2043, and a connecting rod 2044 with one end movably connected to the rotating disk 2041 and the other end movably connected to the moving rod 2043. When the moving rod 2043 rotates, the moving rod 2043 can be pulled to move in the fixed box 2042 through the connecting rod 2044.

[0033] As Figure 4 shown, there are four groups of clamping members 204, and the four groups of clamping members 204 are arranged in a circular array with respect to the rotating shaft 201, so as to realize stable clamping of the bottom of the rivet.

[0034] As Figure 5 shown, the adjusting unit 3 further includes a limit washer 305 installed on the inner side wall of the fixed seat 301, and the limit washer 305 is sleeved on the circumferential side of the threaded shaft 302. The setting of the limit washer 305 prevents the moving member 303 from coming into contact and collision with the inner side wall of the fixed seat 301 during the movement along the threaded shaft 302.

[0035] When it is necessary to stably clamp the bottom of the rivet according to rivets of different sizes, the first drive motor 205 drives the worm 203 to rotate, and the worm 203 drives the rotating shaft 201 to rotate synchronously, so that the rotating disk 2041 pulls the moving rod 2043 to move in the fixed box 2042 through the connecting rod 2044 until the inner wall of the arc-shaped clamping plate 2045 fits against the side wall of the rivet and then stops. Thus, it is convenient to adjust and clamp the bottom of the rivet according to rivets of different sizes. Embodiment

[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, a stamping tooling for rivets includes a main body unit 1, and further includes a clamping unit 2 and an adjusting unit 3 arranged inside the main body unit 1, and a stamping unit 4 arranged on the side of the adjusting unit 3;

[0037] As Figure 5 shown, the clamping unit 2 includes a stamping seat installed on the inner bottom wall of the main body unit 1, a rotating shaft 201 movably arranged inside the stamping seat, a gear 202 installed on the side wall of the rotating shaft 201, a worm 203 movably arranged inside the stamping seat and meshing with the gear 202, a clamping member 204 arranged above the rotating shaft 201, and a first drive motor 205 installed at the input end of the worm 203. When the first drive motor 205 drives the worm 203 to rotate, the rotating shaft 201 can be driven to rotate synchronously through the gear 202;

[0038] As Figure 5 shown, the adjusting unit 3 includes a fixed seat 301 installed on the inner side wall of the main body unit 1, a threaded shaft 302 movably arranged inside the fixed seat 301, a moving member 303 installed on the circumferential side of the threaded shaft 302, and a second drive motor 304 installed at the input end of the threaded shaft 302. When the second drive motor 304 drives the threaded shaft 302 to rotate, the moving member 303 can move along the threaded shaft 302.

[0039] As Figure 1 shown, the main body unit 1 includes a U-shaped seat 101, and a support seat 102 installed at the bottom of the U-shaped seat 101. The setting of the support seat 102 provides support for the stable operation of the entire tooling.

[0040] As Figure 3 and Figure 4As shown, the clamping member 204 includes a fixed box 2042 installed on the inner side wall of the stamping base, a rotating disk 2041 installed on the top of the rotating shaft 201, a moving rod 2043 movably arranged in the fixed box 2042, an arc-shaped clamping plate 2045 installed on the top of the moving rod 2043, and a connecting rod 2044 with one end movably connected to the rotating disk 2041 and the other end movably connected to the moving rod 2043. When the moving rod 2043 rotates, it can pull the moving rod 2043 to move in the fixed box 2042 through the connecting rod 2044.

[0041] As Figure 4 shown, there are four groups of clamping members 204, and the four groups of clamping members 204 are arranged in a circular array around the rotating shaft 201, so as to realize stable clamping of the bottom of the rivet.

[0042] As Figure 5 shown, the adjusting unit 3 further includes a limit washer 305 installed on the inner side wall of the fixed seat 301, and the limit washer 305 is sleeved on the circumferential side of the threaded shaft 302. The setting of the limit washer 305 avoids contact and collision between the moving member 303 and the inner side wall of the fixed seat 301 during the process of moving along the threaded shaft 302.

[0043] As Figure 2 shown, the stamping unit 4 includes a connecting plate 401 installed on the side wall of the moving member 303, a hydraulic cylinder 402 installed on the side wall of the connecting plate 401, and a stamping plate 403 installed on the telescopic end of the hydraulic cylinder 402. During the telescopic process of the hydraulic cylinder 402, it can drive the stamping plate 403 to move up and down.

[0044] When it is necessary to stamp rivets of different lengths, the second driving motor 304 drives the threaded shaft 302 to rotate, and the moving member 303 drives the stamping unit 4 to move up and down along the threaded shaft 302 until the distance between the stamping plate 403 and the top of the rivet is suitable for the stamping operation. After placing the rivet and the stamping part, the telescopic end of the hydraulic cylinder 402 extends, and it can drive the stamping plate 403 to stamp the rivet.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching tool for rivets, comprising a main unit (1), characterized in that: It further includes a clamping unit (2) and an adjusting unit (3) disposed inside the main body unit (1), and a stamping unit (4) disposed on the side of the adjusting unit (3); The clamping unit (2) includes a stamping seat installed on the inner bottom wall of the main body unit (1), a rotating shaft (201) movably disposed inside the stamping seat, a gear (202) installed on the side wall of the rotating shaft (201), a worm (203) movably disposed inside the stamping seat and meshing with the gear (202), a clamping member (204) disposed above the rotating shaft (201), and a first driving motor (205) installed at the input end of the worm (203); The adjusting unit (3) includes a fixed seat (301) installed on the inner side wall of the main body unit (1), a threaded shaft (302) movably disposed inside the fixed seat (301), a moving member (303) installed on the circumferential side of the threaded shaft (302), and a second driving motor (304) installed at the input end of the threaded shaft (302).

2. A punching tool for rivets according to claim 1, characterized in that: The main body unit (1) includes a U-shaped seat (101) and a support seat (102) installed at the bottom of the U-shaped seat (101).

3. A punching tool for rivets according to claim 2, characterized in that: The clamping member (204) includes a fixed box (2042) installed on the inner side wall of the stamping seat, a rotating disk (2041) installed at the top of the rotating shaft (201), a moving rod (2043) movably disposed inside the fixed box (2042), an arc-shaped clamping plate (2045) installed at the top of the moving rod (2043), and a connecting rod (2044) with one end movably connected to the rotating disk (2041) and the other end movably connected to the moving rod (2043).

4. A punching tool for rivets according to claim 3, characterized in that: There are four groups of the clamping members (204), and the four groups of the clamping members (204) are arranged in a circular array with respect to the rotating shaft (201).

5. A punching tool for rivets according to claim 1, characterized in that: The adjusting unit (3) further includes a limit washer (305) installed on the inner side wall of the fixed seat (301), and the limit washer (305) is sleeved on the circumferential side of the threaded shaft (302).

6. A punching tool for rivets according to claim 5, characterized in that: The stamping unit (4) includes a connecting plate (401) installed on the side wall of the moving member (303), a hydraulic cylinder (402) installed on the side wall of the connecting plate (401), and a stamping plate (403) installed at the telescopic end of the hydraulic cylinder (402).

Citation Information

Patent Citations

  • Stamping tool for rivets

    CN214557110U

Cited By

  • A rivet pressing device

    CN224424165U