Welding device for sheet metal part machining

The automatic flipping and fixing of sheet metal parts is achieved through a structure of limiting plate, limiting pin and movable ring, which solves the problem of needing to flip and change the surface and re-clamp in the existing technology, improves welding efficiency and reduces manpower consumption.

CN121017986APending Publication Date: 2025-11-28合肥高科科技股份有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511299288.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

The current sheet metal welding process requires flipping and changing the surface before re-clamping and fixing, which results in low efficiency and high manpower consumption.

Method used

The structure employs a limiting plate, limiting pin, and movable ring. By rotating the plate, the sheet metal parts are automatically flipped and fixed, avoiding clamping offset during the flipping process and the reset function of the return spring, thus ensuring the stability of the sheet metal parts during welding.

Benefits of technology

It improves the efficiency of sheet metal welding, simplifies the operation process, and reduces manpower consumption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121017986A_ABST
    Figure CN121017986A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of sheet metal part production, and discloses a sheet metal part machining welding device which comprises a first stand column and a second stand column, the top of the second stand column is rotationally connected with a second rotating shaft, the other end of the second rotating shaft is fixedly connected with a rotating disc, and one side of the second stand column is fixedly connected with a limiting disc. A plurality of limiting holes are formed in the limiting disc, limiting pins are connected into the limiting holes in an inserted mode, one end of each limiting pin is fixedly connected with a movable ring, a reset spring is arranged outside the second rotating shaft, the movable rings are pulled outwards to drive the limiting pins to be separated from the interiors of the limiting holes, and then the rotating disc is rotated; and when the sheet metal part rotates to a proper angle, a movable ring is loosened, a reset spring resets and extends, a limiting pin is inserted into a limiting hole, and the movable ring limits rotation of a second rotating shaft through a clamping block, so that multiple faces of the sheet metal part can be welded in sequence, and operation is easy and convenient.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sheet metal part production, in particular to a welding device for sheet metal part machining. BACKGROUND

[0002] Sheet metal parts are products processed by sheet metal technology, mainly aiming at the comprehensive cold processing of metal sheets (usually below 6mm), including cutting, punching / cutting / compounding, folding, welding, riveting, splicing, forming and other operations. Its remarkable feature is that the thickness of the same part is consistent. Sheet metal parts have the advantages of light weight, high strength, electrical conductivity (can be used for electromagnetic shielding), low cost, and good mass production performance, so they have been widely used in many fields such as electronic appliances, communication, automobile industry, medical equipment, etc.

[0003] Sheet metal part machining is a common metal processing technology, widely used in automobile, aerospace, construction and shipbuilding fields. In the sheet metal part machining process, welding is an important link, which involves connecting separate metal parts together through heating or pressing to form a whole.

[0004] According to the related technology in the above, the inventors believe that the following defects exist: when welding the sheet metal part, one side of the sheet metal part is welded first, and then the sheet metal part needs to be turned over to replace another side and be clamped and fixed again. This welding method is low in efficiency and consumes more manpower. SUMMARY

[0005] To solve the problem that the existing sheet metal part needs to be turned over to replace another side and be clamped and fixed again, which is low in efficiency and consumes more manpower, the present application provides a welding device for sheet metal part machining.

[0006] The present application adopts the following technical scheme: including a first stand and a second stand, the top of the first stand is rotatably connected with a first rotating shaft, one end of the first rotating shaft is fixedly connected with a first clamping plate, the top of the second stand is rotatably connected with a second rotating shaft, one end of the second rotating shaft is fixedly connected with a second clamping plate, the other end of the second rotating shaft is fixedly connected with a rotating disc, the bottom of the first stand is screwedly connected with a bidirectional threaded rod, one end of the bidirectional threaded rod is screwedly connected at the bottom of the second stand, one end of the bidirectional threaded rod is fixedly connected with a motor, the bottom of the first stand is provided with a bottom plate, one end of the bottom plate is fixedly connected with a second fixed seat, the other end of the bottom plate is fixedly connected with a first fixed seat.

[0007] Preferably, one side of the second stand is fixedly connected with a limiting disc, a plurality of limiting holes are arranged in the limiting disc, the limiting holes are arranged in a ring shape, a limiting pin is inserted into the limiting hole, one end of the limiting pin is fixedly connected with a movable ring, the movable ring is movably connected to the outside of the second rotating shaft, and the limiting pin rotates with the movable ring.

[0008] Preferably, the second rotating shaft is externally provided with a reset spring, one end of the reset spring is fixedly connected to the inside of the rotating disc, and the other end of the reset spring is in contact with one side of the movable ring.

[0009] Preferably, the two ends of the inner wall of the movable ring are fixedly connected with two clamping blocks, and the surface of the second rotating shaft is provided with two clamping grooves at both ends.

[0010] Preferably, the two sides of the bottom of the first stand are fixedly connected with two first sliding frames, and the first sliding frame is movably connected with a sliding rod in the inside.

[0011] Preferably, the two sides of the bottom of the second stand are fixedly connected with two second sliding frames, one end of the sliding rod is movably connected in the inside of the second sliding frame, and the second stand moves along the sliding rod, so that the second stand can keep stable when moving.

[0012] Preferably, one end of the sliding rod is fixedly connected with one side of the second fixed seat, and the other end of the sliding rod is fixedly connected with one side of the first fixed seat.

[0013] Compared with the prior art, the present application has the following advantages: When the present application is used, the limiting disc, the limiting pin and the movable ring are set, the movable ring is pulled outward, the limiting pin is separated from the inside of the limiting hole, the rotating disc is rotated, the second clamping plate drives the metal sheet to rotate, the metal sheet is rotated to the appropriate angle, the movable ring is released, the reset spring is reset and elongated, the limiting pin is inserted into the inside of the limiting hole, the rotation of the movable ring is limited, the second rotating shaft is limited by the clamping block, and the rotation of the metal sheet is avoided, so that the operation is simpler and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the connection structure of the first stand and the second rotating shaft of the present application; Figure 3 It is a schematic diagram of theFigure 1 Enlarged schematic view of the middle A part; Figure 4 Second pivot and movable ring connection structure of the application.

[0015] In the figure: 1, first stand; 2, second stand; 3, bottom plate; 4, first pivot; 5, first clamping plate; 6, second clamping plate; 7, second pivot; 8, rotating disc; 9, limiting disc; 10, limiting hole; 11, limiting pin; 12, movable ring; 13, return spring; 14, motor; 15, first fixed seat; 16, second fixed seat; 17, bidirectional threaded rod; 18, sliding rod; 19, first sliding frame; 20, second sliding frame; 21, clamping block; 22, clamping groove. DETAILED DESCRIPTION

[0016] The application will be further described below in conjunction with the drawings and specific embodiments. It should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0017] Example 1: Please refer to Figure 1 - Figure 4 The welding device for sheet metal part machining of the embodiment comprises a first stand 1 and a second stand 2. The first stand 1 is rotatably connected with a first pivot 4 at the top. One end of the first pivot 4 is fixedly connected with a first clamping plate 5. The second stand 2 is rotatably connected with a second pivot 7 at the top. One end of the second pivot 7 is fixedly connected with a second clamping plate 6. The other end of the second pivot 7 is fixedly connected with a rotating disc 8. The first stand 1 is threadedly connected with a bidirectional threaded rod 17 at the bottom. One end of the bidirectional threaded rod 17 is threadedly connected at the bottom of the second stand 2. One end of the bidirectional threaded rod 17 is fixedly connected with a motor 14. The first stand 1 is provided with a bottom plate 3 at the bottom. One end of the bottom plate 3 is fixedly connected with a second fixed seat 16. The other end of the bottom plate 3 is fixedly connected with a first fixed seat 15. When welding of the sheet metal part is needed, the sheet metal part is first placed between the first clamping plate 5 and the second clamping plate 6. The motor 14 is started. The motor 14 drives the bidirectional threaded rod 17 to rotate. The bidirectional threaded rod 17 drives the first stand 1 and the second stand 2 to move. Since the threads at the two ends of the second pivot 7 are opposite, the second pivot 7 drives the first stand 1 and the second stand 2 to move closer to each other. The first clamping plate 5 and the second clamping plate 6 clamp and fix the sheet metal part, thereby facilitating welding of the sheet metal part. Meanwhile, the first pivot 4 is fixedly installed with two limiting rings on both sides of the first stand 1, so that the first clamping plate 5 does not deviate when rotating. Further, one side of the second column 2 is fixedly connected with a limiting disc 9, a plurality of limiting holes 10 are processed in the inside of the limiting disc 9, the plurality of limiting holes 10 are distributed in a ring shape, a limiting pin 11 is insertedly connected in the inside of the limiting hole 10, one end of the limiting pin 11 is fixedly connected with a movable ring 12, the movable ring 12 is movably connected to the outside of the second rotating shaft 7, the outside of the second rotating shaft 7 is provided with a reset spring 13, one end of the reset spring 13 is fixedly connected to the inside of the rotating disc 8, the other end of the reset spring 13 is in contact with one side of the movable ring 12; When other surfaces of the sheet metal part need to be welded, the movable ring 12 is pulled outward, the movable ring 12 drives the limiting pin 11 to move outward, the limiting pin 11 is separated from the inside of the limiting hole 10, and the reset spring 13 is in a compressed state, then the rotating disc 8 is rotated, the rotating disc 8 drives the second rotating shaft 7 to rotate, the second rotating shaft 7 drives the second clamping plate 6 to rotate, the second clamping plate 6 drives the sheet metal part to rotate, the sheet metal part drives the first clamping plate 5 to rotate, the first clamping plate 5 rotates in the inside of the first column 1, when the sheet metal part rotates to the appropriate angle, the movable ring 12 is loosened, the reset spring 13 is reset and elongated, the reset spring 13 drives the movable ring 12 to move, the movable ring 12 drives the limiting pin 11 to be inserted into the inside of the limiting hole 10, and the second rotating shaft 7 is fixedly installed with a limiting ring on one side of the second column 2, so that the second rotating shaft 7 does not deviate when rotating; Further, the two ends of the inner wall of the movable ring 12 are fixedly connected with two clamping blocks 21, and the surface of the second rotating shaft 7 is processed with two clamping grooves 22, and the clamping block 21 is movably connected in the inside of the clamping groove 22; The movable ring 12 moves along the inside of the clamping groove 22 through the clamping block 21, the clamping block 21 can limit the movement of the movable ring 12 through the clamping groove 22, the movable ring 12 rotates synchronously with the second rotating shaft 7, the rotation of the movable ring 12 can be limited by inserting the limiting pin 11 into the inside of the limiting hole 10, and the movement of the second rotating shaft 7 is limited, so that the sheet metal part is fixed and the rotation is avoided; Further, the two sides of the bottom of the first column 1 are fixedly connected with two first sliding frames 19, the inside of the first sliding frame 19 is movably connected with a sliding rod 18, the two sides of the bottom of the second column 2 are fixedly connected with two second sliding frames 20, one end of the sliding rod 18 is movably connected in the inside of the second sliding frame 20, one end of the sliding rod 18 is fixedly connected with one side of the second fixed seat 16, and the other end of the sliding rod 18 is fixedly connected with one side of the first fixed seat 15; The first column 1 moves on the outside of the two sliding rods 18 through the two first sliding frames 19 on the two sides, and the second column 2 moves on the outside of the two sliding rods 18 through the two second sliding frames 20 on the two sides, so that the first column 1 and the second column 2 remain stable when moving.

[0018] Working principle: the sheet metal parts are placed between the first clamping plate 5 and the second clamping plate 6, the motor 14 is started to drive the bidirectional threaded rod 17 to rotate, the bidirectional threaded rod 17 drives the first stand 1 and the second stand 2 to approach each other to clamp and fix the sheet metal parts, when one side of the sheet metal parts needs to be welded, the movable ring 12 is pulled outwards first, the movable ring 12 drives the limiting pin 11 to move outwards, so that the limiting pin 11 is separated from the inside of the limiting hole 10, and the reset spring 13 is in a compressed state, then the rotating disc 8 is rotated to drive the second shaft 7 and the second clamping plate 6 to rotate, the second clamping plate 6 drives the sheet metal parts to rotate, when the sheet metal parts are rotated to the appropriate angle, the movable ring 12 is loosened, the reset spring 13 is reset and elongated, the movable ring 12 drives the limiting pin 11 to be inserted into the inside of the limiting hole 10, the rotation of the movable ring 12 is limited, the movable ring 12 limits the movement of the second shaft 7 through the clamping block 21, so that the sheet metal parts are prevented from rotating after being fixed, and the other sides of the sheet metal parts are convenient for welding.

[0019] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the protection scope of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application all belong to the protection scope of the present application.

Claims

1. A welding device for sheet metal processing, comprising a first column (1) and a second column (2), characterized in that, The top of the first column (1) is rotatably connected to a first rotating shaft (4), one end of the first rotating shaft (4) is fixedly connected to a first clamping plate (5), the top of the second column (2) is rotatably connected to a second rotating shaft (7), one end of the second rotating shaft (7) is fixedly connected to a second clamping plate (6), the other end of the second rotating shaft (7) is fixedly connected to a rotating disk (8), the bottom of the first column (1) is threadedly connected to a bidirectional threaded rod (17), one end of the bidirectional threaded rod (17) is threadedly connected to the bottom of the second column (2), one end of the bidirectional threaded rod (17) is fixedly connected to a motor (14), the bottom of the first column (1) is provided with a base plate (3), one end of the base plate (3) is fixedly connected to a second fixed seat (16), the other end of the base plate (3) is fixedly connected to a first fixed seat (15).

2. The welding device for sheet metal processing according to claim 1, characterized in that, The second column (2) is fixedly connected to a limiting plate (9) on one side. The limiting plate (9) has multiple limiting holes (10) machined inside. The multiple limiting holes (10) are arranged in a ring. The limiting holes (10) are plugged into the limiting pins (11). One end of the limiting pins (11) is fixedly connected to a movable ring (12). The movable ring (12) is movably connected to the outside of the second rotating shaft (7).

3. The welding device for sheet metal processing according to claim 2, characterized in that, A reset spring (13) is provided on the outside of the second rotating shaft (7). One end of the reset spring (13) is fixedly connected to the inside of the rotating disk (8), and the other end of the reset spring (13) is in contact with one side of the movable ring (12).

4. The welding device for sheet metal processing according to claim 2, characterized in that, The inner walls of the movable ring (12) are fixedly connected to two locking blocks (21), and the surface of the second rotating shaft (7) is machined with two slots (22) at both ends. The locking blocks (21) are movably connected inside the slots (22).

5. The welding device for sheet metal processing according to claim 1, characterized in that, The bottom of the first column (1) is fixedly connected to two first sliding frames (19) on both sides, and the sliding frame (19) is movably connected to a sliding rod (18).

6. The welding device for sheet metal processing according to claim 5, characterized in that, The bottom of the second column (2) is fixedly connected to two second sliding frames (20) on both sides, and one end of the sliding rod (18) is movably connected to the inside of the second sliding frame (20).

7. The welding device for sheet metal processing according to claim 5, characterized in that, One end of the slide rod (18) is fixedly connected to one side of the second fixed seat (16), and the other end of the slide rod (18) is fixedly connected to one side of the first fixed seat (15).