CN-117086516-B - Arc-shaped part welding device and welding process thereof

Abstract

The application discloses a welding device and a welding process for arc-shaped parts, which relate to the field of welding devices and comprise a workbench, wherein a supporting frame is fixed on the side wall of the workbench, two pushing rods are movably connected on the side wall of the supporting frame, the two pushing rods are parallel to each other, pushing blocks are fixed at the ends of the pushing rods, the clamping guide surfaces used for clamping are arranged on the opposite side walls of the pushing blocks, the pushing grooves are formed in the pushing blocks, a plurality of stable turntables are rotationally connected to the inner side walls of the pushing grooves, sucking discs are fixed to the side walls of the stable turntables, and welding gun heads used for welding are fixed to the workbench. The application has the effect of improving the welding quality of the arc-shaped piece.

Inventors

• SUN GUANGMING
• LIU LI
• LUO QIUXIA

Assignees

• 浙江安胜科技股份有限公司

Dates

Publication Date

20260505

Application Date

20230626

Claims (5)

1. 1. The arc-shaped piece welding device is characterized by comprising a workbench (1), wherein a supporting frame (2) is fixed on the side wall of the workbench (1), two pushing rods (3) are movably connected to the side wall of the supporting frame (2), the pushing rods (3) are parallel to each other, pushing blocks (4) are fixed at the end parts of the pushing rods (3), clamping guide surfaces (5) for clamping are formed on the opposite side walls of the pushing blocks (4), pushing grooves (6) are formed in the pushing blocks (4), a plurality of stable turntables (7) are rotatably connected to the inner side walls of the pushing grooves (6), sucking discs (8) are fixed on the side walls of the stable turntables (7), and welding gun heads (9) for welding are fixed on the workbench (1); The novel welding tool comprises a workbench (1), and is characterized in that a positioning disc (18) is rotationally connected to the workbench (1), the axis of the positioning disc (18) is the same as the axis of the position of a workpiece after being clamped, a fixing frame (19) is fixed to the workbench (1), a driving plate (26) is rotationally connected to the bottom of the fixing frame (19), the driving plate (26) and the positioning disc (18) are coaxially arranged, a clamping cylinder (27) is fixed to the bottom of the driving plate (26), a plurality of clamping grooves (28) are formed in the side wall of the clamping cylinder (27), clamping rods (29) are rotationally connected to the inner side wall of the clamping grooves (28), the clamping rods (29) are in a T-shaped and lever mode, a first fixing rod (20) penetrates through the driving plate (26) and the clamping cylinder (27) at the same time, and a positioning assembly for further positioning a workpiece (41) to be welded is arranged on the workbench (1). The positioning assembly comprises a plurality of clamping holes (43) formed in the workbench (1), a first clamping rod (44) is connected in the clamping holes (43) in a sliding mode, a second clamping rod (45) is connected to the end face, opposite to the positioning disc (18), of the first clamping rod (44), a clamping table (46) for positioning a workpiece (41) to be welded is connected to the end portion of the second clamping rod (45) in a rotating mode, a maintaining rod (48) is fixed to the side wall of the clamping table (46), the maintaining rod (48) penetrates through the first clamping rod (44), and a maintaining spring (51) for pushing the clamping table (46) to slide in the direction deviating from the first clamping rod (44) is arranged on the side wall of the maintaining rod (48); Be provided with the motion subassembly that is used for driving clamp lever (29) motion in clamping cylinder (27), motion subassembly includes sliding connection in control section of thick bamboo (30) of clamping cylinder (27) inside wall, control groove (31) have been seted up to control section of thick bamboo (30) lateral wall, clamp lever (29) wear to locate in control groove (31), be provided with in clamping cylinder (27) and be used for promoting control spring (32) of control section of thick bamboo (30) motion, the operation groove has been seted up to clamping cylinder (27) lateral wall, wear to be equipped with the action bars and the action bars are fixed in control section of thick bamboo (30) lateral wall in the operation groove.
2. 2. The arc-shaped piece welding device according to claim 1, wherein the support frame (2) is provided with a driving component which is convenient for driving the pushing rod (3) to move, the driving component comprises two sliding frames (10) fixed on the side walls of the support frame (2), the sliding frames (10) are connected with adjusting frames (11) in a sliding mode, one side wall of each adjusting frame (11) is arranged in a V-shaped mode, one side wall of each adjusting frame (11) is connected with the sliding frame (10) in a sliding mode, the other side wall of each adjusting frame is provided with an adjusting groove (12), the pushing rod (3) is connected to the inner side wall of the corresponding adjusting groove (12) in a rotating mode, a reset rod (13) is fixed at the end portion of the pushing rod (3), and a reset spring (14) used for pulling the reset rod (13) is arranged between the reset rod (13) and the inner side wall of the adjusting groove (12).
3. 3. The arc-shaped piece welding device according to claim 2, wherein a limiting rod (15) for limiting the position of the pushing rod (3) is fixed on the inner side wall of the adjusting groove (12), a driving rod (16) is rotatably connected to the corner of the adjusting frame (11), a driving electric cylinder (17) is fixed on the supporting frame (2), and the driving rod (16) is rotatably connected to a piston rod of the driving electric cylinder (17).
4. 4. The welding set of arc-shaped parts according to claim 1, wherein the operating rod is L-shaped, one side wall of the operating rod is parallel to the driving plate (26), and the other side wall of the operating rod is connected to the end face of the driving plate (26) in a sliding manner.
5. 5. A welding process suitable for use in the arc welding apparatus of any one of claims 1 to 4, comprising the steps of: (1) Placing a workpiece on a workbench (1); (2) Starting a driving electric cylinder (17), driving the electric cylinder (17) to drive a pushing block (4) to move and clamp a workpiece, and transferring the workpiece onto a positioning disc (18) by the pushing block (4); (3) The first clamping rod (44) slides to drive the second clamping rod (45) to be abutted to the outside of the workpiece; (4) The operating rod slides to drive the clamping rod (29) to clamp the inside of the workpiece; (5) Starting a welding gun head (9), and performing spot welding fixation on a welding seam; (6) The driving plate (26) rotates to drive the workpiece to rotate, and the welding gun head (9) performs continuous welding until the welding is completed.

Description

Arc-shaped part welding device and welding process thereof Technical Field The application relates to the field of welding devices, in particular to an arc-shaped piece welding device and a welding process thereof. Background The arc-shaped piece comprises a vacuum cup, and the vacuum cup is generally arranged in an inner layer and an outer layer mode and is used for preserving heat of water or other liquid in the vacuum cup. The patent with publication number CN114833447A discloses a multipurpose welding device for a double-layer stainless steel thermos cup, and belongs to the technical field of thermos cup processing equipment. It has solved the current problem that thermos cup welding set applicability is not wide. The multipurpose welding device comprises a frame, a lifting driving device fixedly arranged on the frame, a lifting table fixedly arranged at the output end of the lifting driving device, a driving shaft rotatably arranged on the lifting table, a main shaft driving device fixedly arranged on the lifting table and used for driving the driving shaft to rotate, a clamp device arranged at the end part of the driving shaft, a laser welding head arranged on the frame, a shell limiting part and a liner limiting part. Compared with the prior art, the multipurpose welding device can realize multiple purposes, can be used for welding the straight-mouth outer shell and the straight-mouth inner container, can automatically finish welding after the inner container is lapped with the outer shell, and can be used for welding the small circular discs at the bottom of the circular arc. In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, after the middle sole of the vacuum cup is welded with the shell, the bottom size of the shell is shrunk inwards and the shrinkage size is uneven, so that the matching degree of the bottom of the shell and the steel sole is influenced, the reject ratio of the welded steel sole is high, after the middle sole is welded on the cup body of the vacuum cup, the cup bottom is shrunk inwards to form a short bevel edge, the original circular arc size of the steel sole is inconsistent, the matching of the joint of the cup body and the cup body after the shrinkage of the cup bottom is not smooth, grooves are formed, the welding is performed under the condition, the reject ratio of sand welding seams is high, and the polishing material of the cup body is thinned and scrapped due to repeated polishing. Disclosure of Invention In order to improve welding quality of arc-shaped pieces, the application provides an arc-shaped piece welding device and a welding process thereof. In a first aspect, the present application provides an arc-shaped member welding apparatus, which adopts the following technical scheme: The utility model provides an arc welding set, includes the workstation, the workstation lateral wall is fixed with the support frame, support frame lateral wall swing joint has two push rods, two the push rods are parallel to each other and the push rod end is fixed with the impeller block, offer the centre gripping guide surface that is used for the centre gripping on the relative lateral wall of impeller block, the promotion groove has been offered on the impeller block, the promotion groove inside wall rotates and is connected with a plurality of stable turntables, stable turnplate lateral wall is fixed with the sucking disc, be fixed with the welding rifle head that is used for the welded on the workstation. Through adopting above-mentioned technical scheme, arc spare is by the centre gripping back, stabilizes carousel lateral wall and arc spare lateral wall contact, because stable carousel lateral wall is fixed with the sucking disc, the sucking disc plays the adsorption to the arc spare, has strengthened the stability to arc spare centre gripping, and when welding production stress led to welding seam department crooked simultaneously, through rotating the arc spare, under the effect of sucking disc, the crooked position of welding seam department was pulled and is restored the normal position, has reduced the defective rate of welding back product, has promoted welding quality. Optionally, be provided with the drive subassembly that is convenient for drive the catch bar motion on the support frame, drive the subassembly including being fixed in two carriages of support frame lateral wall, sliding connection has the adjustment frame on the carriage, the adjustment frame is "V" shape setting and one of them lateral wall sliding connection of adjustment frame in the carriage, has seted up the adjustment groove on the other lateral wall, the catch bar rotates to be connected in the adjustment groove inside wall, the catch bar end fixing has the reset lever, be provided with the reset spring that is used for pulling the reset lever between reset lever and the adjustment groove inside wall. Through adopting above