A welding device for automobile parts remanufacturing

Abstract

The application belongs to the technical field of welding equipment, and particularly relates to a welding device for automobile part remanufacturing, which comprises an operation table, a fixing assembly and a welding mechanism are arranged on the operation table, the welding mechanism is covered by a protective cover, an opening and closing mechanism and an auxiliary discharging mechanism are arranged on the protective cover, a collecting box is placed on the operation table, and the opening and closing mechanism comprises a horizontal plate; the welding device for automobile part remanufacturing is designed in linkage with the welding mechanism and the transparent baffle, and replaces the traditional protective mode of manually wearing a mask; when welding, the electric telescopic arm is lowered to drive the horizontal plate to move downward, the transparent baffle is automatically rotated to be closed after the steel rope is loosened, a closed protective space is formed, welding strong light and splashing objects are avoided to harm the eyes of an operator, the transparent baffle can be automatically opened in linkage after welding, and it is unnecessary for an operator to wear protective equipment, and meanwhile, it is also convenient for the operator to take out and place automobile parts.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of welding equipment, in particular to a welding device for automobile part remanufacturing. BACKGROUND

[0002] Automobile part remanufacturing is a core link for realizing green circular development of the automobile industry, welding, as a key process in the remanufacturing process, is mainly used for repairing cracks and defects of damaged parts (such as engine cylinder blocks, gearbox housings and chassis structural parts), filling defects by depositing metal to restore the structural strength and performance of the parts, in the welding scene of automobile part remanufacturing, the welding quality directly determines the reliability of the remanufactured parts, and problems such as strong light and high-temperature spatter generated during the welding process pose a serious threat to the occupational health of the operators, among which the eye protection problem is particularly prominent.

[0003] At present, the traditional welding device for automobile part remanufacturing generally lacks targeted integrated eye protection design, mainly relying on the operators to wear welding masks and other personal protective equipment for eye protection, but long-term wearing of such protective equipment will cause discomfort to the operators; some automatic welding equipment is placed in a protective cover, and the automobile parts only need to be placed in the protective cover for automatic welding processing, and the protective cover can also protect the operators, but during the operation, the operators need to open the protective door, place and fix the automobile parts, and then open the protective door to take out the automobile parts after the processing is completed, which is troublesome, therefore, the welding device for automobile part remanufacturing is proposed. SUMMARY

[0004] The main purpose of the present application is to provide a welding device for automobile part remanufacturing, which can solve the problems proposed in the background.

[0005] To achieve the above purpose, the welding device for automobile part remanufacturing proposed by the present application comprises an operation table, a fixing assembly and a welding mechanism are arranged on the operation table, the welding mechanism is covered by a protective cover, an opening and closing mechanism and an auxiliary discharging mechanism are arranged on the protective cover, a collection box is placed on the operation table, and the opening and closing mechanism comprises:

[0006] A horizontal plate is slidingly connected to the inner surface of the protective cover, two ends of the horizontal plate are fixedly connected with connecting blocks, and the lower side of the connecting block is fixedly connected with a vertical rod;

[0007] A fixing block is fixedly connected to the outer wall of the protective cover, the vertical rod penetrates through the fixing block and is slidingly connected with the fixing block, and the fixing block and the connecting block are elastically connected through a return spring;

[0008] A steel rope is fixed at one end of the connecting block, and the other end of the steel rope is connected with a rotating assembly.

[0009] The rotating wheel is rotatably connected to the outer wall of the protective cover through a positioning shaft.

[0010] Preferably, a U-shaped piece is fixedly connected to the positioning shaft of the rotating wheel, and the steel rope passes through the U-shaped piece.

[0011] Preferably, the rotating assembly comprises a fixed column fixedly connected to the operating table, a fixed ring fixedly connected to the outer wall of the fixed column, a sleeve body sleeved on the outer wall of the fixed column, a torsional spring elastically connecting the sleeve body and the fixed ring, a transparent baffle and a connecting piece fixedly connected to the outer wall of the sleeve body, and the connecting piece being fixedly connected with the steel rope.

[0012] Preferably, the auxiliary discharging mechanism comprises a pushing plate fixedly connected with a T-shaped rod, a telescopic hinged rod hingedly connected to one end of the T-shaped rod away from the pushing plate, a button spring provided at a middle hinged shaft of the telescopic hinged rod, a horizontal rod fixedly connected to the middle hinged shaft of the telescopic hinged rod away from the T-shaped rod, the horizontal rod being fixedly connected to the outer wall of a long plate at one end thereof away from the telescopic hinged rod, a connecting rod fixedly connected to the outer wall of the long plate, and a sliding block one fixedly connected to one end of the connecting rod away from the long plate.

[0013] Preferably, the horizontal rod penetrates through the protective cover and is slidably connected with the protective cover, the sliding block one is penetrated through and slidably connected with a guide rod one, the guide rod one is fixedly connected to the outer wall of the protective cover, a sliding block two is slidably connected to the guide rod one, and the sliding block two is hingedly connected with a vertical rod through a hinged rod. During the descending process of the horizontal plate, the vertical rod can be driven to descend, thereby driving the hinged rod to move, moving the sliding block two away from the sliding block one, and thereby automatically retracting and resetting the telescopic hinged rod, so that the pushing plate can be retracted. During the ascending process of the horizontal plate, the vertical rod can be driven to ascend, thereby driving the hinged rod to move, gradually moving the sliding block two to the sliding block one. After the sliding block two abuts against the sliding block one, the sliding block two extrudes the sliding block one to move, thereby driving the connecting rod to move with the long plate and the horizontal rod, and thereby expanding the telescopic hinged rod to drive the T-shaped rod to move. The telescopic hinged rod can be multiplied in lengthening, so that the pushing plate can push out the welded automobile parts, and the automobile parts are collected through the collecting box.

[0014] Preferably, the fixing assembly comprises a placing seat, a recess is formed in the placing seat, a bidirectional screw rod is rotatably connected in the recess, the bidirectional screw rod is driven by a motor, a threaded block is threadedly connected to the bidirectional screw rod, a positioning assembly is provided on the threaded block, and a guide piece is fixedly connected in the recess.

[0015] Preferably, the bidirectional screw rod is rotatably connected in the recess, the motor is fixedly connected to the placing seat, and the threaded block is slidably connected in the recess.

[0016] Preferably, the positioning assembly comprises an elastic telescopic rod, a round rod is fixedly connected to the telescopic part of the elastic telescopic rod, the round rod is slidingly connected in the guide piece, and a positioning block is fixedly connected to the telescoping end of the elastic telescopic rod; in this way, when the positioning block moves away from the workpiece, the round rod slides in the guide piece to drive the positioning block to retract until it is accommodated in the groove, so that the subsequent push-out plate will not be blocked by the positioning block when pushing out the workpiece; when the positioning block moves towards the workpiece, the positioning block can move out of the groove to realize positioning of the workpiece, facilitating welding operation of the automobile parts.

[0017] Preferably, the welding mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, the Z-axis moving mechanism slides on the X-axis moving mechanism, the Y-axis moving mechanism slides on the Z-axis moving mechanism, an electric telescopic arm slides on the Y-axis moving mechanism, and a welding gun is arranged at the end of the electric telescopic arm.

[0018] Preferably, a square block is fixedly connected to the shell of the electric telescopic arm, a guide rod two is fixedly connected to the outer wall of the square block, a sliding block three is slidingly connected to the guide rod two, and the sliding block three slides with the horizontal plate; when the electric telescopic arm descends to weld the workpiece, the horizontal plate is driven to descend, the steel rope is loosened, the transparent baffle is automatically rotated to close under the action of the button spring, in the process of ascending of the electric telescopic arm, the steel rope is gradually straightened until the connecting piece is pulled to make the sleeve body compress the button spring to drive the transparent baffle to rotate to open, facilitating subsequent automatic discharge of the workpiece.

[0019] The application provides a welding device for automobile part remanufacturing.

[0020] (1) The welding device for automobile part remanufacturing is designed in linkage with the transparent baffle and the welding mechanism, replaces the traditional manual wearing of a mask protection mode, and the horizontal plate is driven to descend when the electric telescopic arm descends to weld, the transparent baffle is automatically rotated to close after the steel rope is loosened, a closed protection space is formed, welding strong light and splashing are avoided to harm the eyes of an operator, the transparent baffle can be automatically opened after welding, and manual wearing of protective equipment is not needed, and meanwhile, the operator is also facilitated to take out and place the automobile parts.

[0021] (2) The welding device for automobile part remanufacturing works in cooperation with the auxiliary discharging mechanism through the opening and closing mechanism, manual frequent opening and closing of a protective door is not needed, the device automatically completes welding protection and processing after the automobile parts are placed, the transparent baffle is opened after processing is completed, and the push-out plate synchronously pushes out the welded automobile parts to the collecting box, and manual entering into the protective cover to take out is not needed throughout the process.

[0022] (3), the automobile parts remanufacturing welding device through the use of fixed assembly, when the positioning block is close to the workpiece, the positioning block can move out of the groove, realize the positioning of the workpiece, facilitate the welding operation of automobile parts, when the positioning block is away from the workpiece, the round rod slides in the guide piece, which can drive the positioning block to shrink until it is stored in the groove, so that the subsequent push-out plate will not be blocked by the positioning block when pushing out the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in these drawings without creative labor for those skilled in the art.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0025] Figure 2 It is a schematic diagram of part of the structure of the present application. Figure 1

[0026] Figure 3 It is a schematic diagram of structure A in the present application. Figure 2

[0027] It is a schematic diagram of structure B in the present application. Figure 4 Figure 2 It is a schematic diagram of part of the structure of the auxiliary discharging mechanism of the present application.

[0028] Figure 5 It is a schematic diagram of structure C in the present application.

[0029] Figure 6 Figure 2 It is a schematic diagram of part of the structure of the present application.

[0030] Figure 7 It is a schematic diagram of part of the structure of the present application. Figure 2

[0031] Figure 8 It is a schematic diagram of part of the structure of the present application. Figure 3

[0032] Figure 9 It is a schematic diagram of structure D in the present application. Figure 8

[0033] It is a schematic diagram of the structure of the fixed assembly of the present application. Figure 10

[0034] It is a schematic diagram of part of the structure of the fixed assembly of the present application. Figure 11

[0035] ​​​​​​Brief Description of Drawings

[0036] 1, operating platform; 2, fixed assembly; 3, welding mechanism; 4, protective cover; 5, opening and closing mechanism; 6, auxiliary discharging mechanism; 7, collection box;

[0037] 21, placing seat; 22, groove; 23, bidirectional screw rod; 24, motor; 25, threaded block; 26, positioning assembly; 27, guide; 261, elastic telescopic rod; 262, round rod; 263, positioning block;

[0038] 31, X-axis moving mechanism; 32, Z-axis moving mechanism; 33, Y-axis moving mechanism; 34, electric telescopic arm; 35, welding gun; 341, square block; 342, guide rod two;

[0039] 51, horizontal plate; 52, connecting block; 53, vertical rod; 54, fixed block; 55, steel rope; 56, rotating wheel; 57, rotating assembly; 511, sliding block three; 561, U-shaped piece; 571, fixed column; 572, fixed ring; 573, sleeve; 574, transparent baffle; 575, connecting piece;

[0040] 61, push-out plate; 62, T rod; 63, telescopic articulated rod; 64, horizontal rod; 65, long plate; 66, connecting rod; 67, sliding block one; 68, guide rod one; 69, sliding block two; 610, articulated rod.

[0041] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0043] Please refer to Figures 1-11 The present application provides a welding device for automobile part remanufacturing, which comprises an operating platform 1, the operating platform 1 is provided with a fixed assembly 2 and a welding mechanism 3, the welding mechanism 3 is covered by a protective cover 4, the protective cover 4 is provided with an opening and closing mechanism 5 and an auxiliary discharging mechanism 6, and the operating platform 1 is provided with a collection box 7

[0044] In the embodiment of the present application, in order to be able to position the welding of automobile parts, specifically, the fixing assembly 2 comprises a placing seat 21, a groove 22 is formed in the placing seat 21, a bidirectional screw rod 23 is rotatably connected in the groove 22, the bidirectional screw rod 23 is driven by a motor 24, a threaded block 25 is threadedly connected on the bidirectional screw rod 23, a positioning assembly 26 is arranged on the threaded block 25, a guide 27 is fixedly connected in the groove 22, the bidirectional screw rod 23 is rotatably connected in the groove 22, the motor 24 is fixedly connected on the placing seat 21, the threaded block 25 is slidably connected in the groove 22, the bidirectional screw rod 23 is driven to rotate by the motor 24, under the positioning action of the groove 22, the threaded block 25 can drive the positioning assembly 26 to move to the position of the workpiece, and the fixing of the automobile parts is realized.

[0045] Further, the positioning assembly 26 comprises an elastic telescopic rod 261, an extension of the elastic telescopic rod 261 is fixedly connected with a round rod 262, the round rod 262 is slidably connected in the guide 27, a telescopic end of the elastic telescopic rod 261 is fixedly connected with a positioning block 263, through this design, when the positioning block 263 approaches the workpiece, the round rod 262 slides in the guide 27, the extension of the extension of the elastic telescopic rod 261 is lengthened, the positioning block 263 can move out of the groove 22, the positioning of the workpiece is realized, the welding operation of the automobile parts is facilitated, when the positioning block 263 is away from the workpiece, the round rod 262 slides in the guide 27, the positioning block 263 can be driven to contract until being accommodated in the groove 22, so that the positioning block 263 will not block the workpiece in the subsequent pushing out of the workpiece.

[0046] In the embodiment of the present application, in order to be able to position the welding of automobile parts, specifically, the fixing assembly 2 comprises a placing seat 21, a groove 22 is formed in the placing seat 21, a bidirectional screw rod 23 is rotatably connected in the groove 22, the bidirectional screw rod 23 is driven by a motor 24, a threaded block 25 is threadedly connected on the bidirectional screw rod 23, a positioning assembly 26 is arranged on the threaded block 25, a guide 27 is fixedly connected in the groove 22, the bidirectional screw rod 23 is rotatably connected in the groove 22, the motor 24 is fixedly connected on the placing seat 21, the threaded block 25 is slidably connected in the groove 22, the bidirectional screw rod 23 is driven to rotate by the motor 24, under the positioning action of the groove 22, the threaded block 25 can drive the positioning assembly 26 to move to the position of the workpiece, and the fixing of the automobile parts is realized.

[0047] In the embodiment of the present application, in order to realize the protection of the eyes of the operator while facilitating the operator to place and take out the welded automobile parts, specifically, the opening and closing mechanism 5 comprises a horizontal plate 51, a fixed block 54, a steel wire 55 and a rotating wheel 56, the horizontal plate 51 is slidingly connected to the inner surface of the protective cover 4, the outer shell of the electric telescopic arm 34 is fixedly connected with a square block 341, the outer wall of the square block 341 is fixedly connected with a guide rod two 342, the guide rod two 342 is slidingly connected with a sliding block three 511, the sliding block three 511 slides with the horizontal plate 51, both ends of the horizontal plate 51 are fixedly connected with a connecting block 52, the lower side of the connecting block 52 is fixedly connected with a vertical rod 53, the fixed block 54 is fixedly connected to the outer wall of the protective cover 4, the vertical rod 53 penetrates through the fixed block 54 and is slidingly connected with the fixed block 54, the fixed block 54 is elastically connected with the connecting block 52 through a return spring, one end of the steel wire 55 is fixed with the connecting block 52, the other end of the steel wire 55 is connected with a rotating assembly 57, the rotating wheel 56 is rotatably connected to the outer wall of the protective cover 4 through a positioning shaft, the rotating assembly 57 comprises a fixed column 571, the fixed column 571 is fixedly connected to the operating table 1, the outer wall of the fixed column 571 is fixedly connected with a fixed ring 572, the outer wall of the fixed column 571 is sleeved with a sleeve body 573, the sleeve body 573 is elastically connected with the fixed ring 572 through a torsion spring, the outer wall of the sleeve body 573 is fixedly connected with a transparent baffle 574 and a connecting piece 575, the connecting piece 575 is fixedly connected with the steel wire 55.

[0048] In the process of welding the automobile parts, the electric telescopic arm 34 needs to move downward, thereby driving the horizontal plate 51 to descend, so that the steel wire 55 moves until it is relaxed, in this process, the elastic force of the button spring can automatically rotate the transparent baffle 574 to close, thereby realizing the protection of the eyes of the operator during the welding process of the automobile parts, after the welding of the automobile parts is completed, the electric telescopic arm 34 moves upward to reset, in the process of the upward movement of the electric telescopic arm 34, the steel wire 55 will gradually straighten until it pulls the connecting piece 575, so that the sleeve body 573 compresses the button spring to drive the transparent baffle 574 to rotate to open, which is convenient for subsequent automatic ejection of the workpiece, and in the directional movement of the electric telescopic arm 34 in the Z-axis moving mechanism 32, the sliding block three 511 can slide on the guide rod two 342, in the directional movement of the electric telescopic arm 34 in the X-axis moving mechanism 31, the sliding block three 511 can slide on the horizontal plate 51, without the need for manual wearing of protective equipment, at the same time, it is also convenient for the operator to take out and place the automobile parts.

[0049] Further, the positioning shaft of the rotating wheel 56 is fixedly connected with a U-shaped piece 561, the steel wire 55 penetrates through the U-shaped piece 561, through the use of the U-shaped piece 561, the steel wire 55 can be placed to separate from the rotating wheel 56.

[0050] In the embodiment of the present application, in order to facilitate the taking of the welded automobile parts, specifically, the auxiliary discharging mechanism 6 comprises a push-out plate 61, the push-out plate 61 is fixedly connected with a T-shaped rod 62, one end of the T-shaped rod 62 away from the push-out plate 61 is hingedly connected with a telescopic hinge rod 63, a knob spring is arranged at a middle hinge shaft of the telescopic hinge rod 63, one middle hinge shaft of the telescopic hinge rod 63 away from the T-shaped rod 62 is fixedly connected with a cross rod 64, one end of the cross rod 64 away from the telescopic hinge rod 63 is fixedly connected on an outer wall of a long plate 65, the outer wall of the long plate 65 is fixedly connected with a connecting rod 66, one end of the connecting rod 66 away from the long plate 65 is fixedly connected with a sliding block one 67, the cross rod 64 penetrates through the protective cover 4 and is slidably connected with the protective cover 4, the sliding block one 67 is penetrated through and slidably connected with a guide rod one 68, the guide rod one 68 is fixedly connected on an outer wall of the protective cover 4, the guide rod one 68 is slidably connected with a sliding block two 69, the sliding block two 69 is hingedly connected with the vertical rod 53 through a hinge rod 610.

[0051] In the process of descending of the cross plate 51, the vertical rod 53 can be driven to descend, thereby driving the hinge rod 610 to move, so that the sliding block two 69 is away from the sliding block one 67, in this process, the telescopic hinge rod 63 is automatically retracted and reset, so that the push-out plate 61 can be retracted, thereby facilitating the operator to place the workpiece on the placing seat 21, in the process of ascending of the cross plate 51, the vertical rod 53 can be driven to ascend, thereby driving the hinge rod 610 to move, so that the sliding block two 69 gradually approaches the sliding block one 67, after the sliding block two 69 abuts against the sliding block one 67, the sliding block two 69 extrudes the sliding block one 67 to move, so that the connecting rod 66 drives the long plate 65 and the cross rod 64 to move, thereby driving the telescopic hinge rod 63 to open, driving the T-shaped rod 62 to move, the telescopic hinge rod 63 can be multiplied in elongation, so that the push-out plate 61 can push out the welded automobile parts, and then the welded automobile parts are collected through the collecting box 7.

[0052] It should be noted that the above-mentioned electrical components are all products of the prior art, which are selected, installed and debugged by the person skilled in the art according to the needs of use, to ensure that each electrical appliance can work normally, and the components are all general standard parts or parts known to the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through technical manual or through conventional experimental methods, which are not limited here in detail, the standard parts used in the present application can be purchased from the market, and the specific connection mode of each part is connected by conventional means such as rivets and welding in the prior art, and the standard parts are conventional types in the prior art, and the connection of the circuit adopts the conventional connection mode in the prior art.

[0053] In use, the Y-axis moving mechanism 33 is started, the electric telescopic arm 34 is driven to descend to the middle position, at this time, the steel wire 55 is in a straightened state, the transparent baffle 574 is in an open state, the slider two 69 is not in abutment with the slider one 67, the telescopic articulated rod 63 is in a contracted state, and the push-out plate 61 is in a contracted state. Then, the automobile part is placed on the placing seat 21, and the motor 24 is started to drive the bidirectional screw rod 23 to rotate, under the positioning effect of the groove 22, the threaded block 25 can drive the positioning assembly 26 to move to the position of the workpiece. When the positioning block 263 approaches the workpiece, the round rod 262 slides in the guide 27, the elastic telescopic rod 261 is elongated, the positioning block 263 can move out of the groove 22, and the positioning of the workpiece is realized. Then, the electric telescopic arm 34 is started to move downward to weld the workpiece. In this process, the horizontal plate 51 descends, the steel wire 55 moves until it is relaxed, the elastic force of the button spring can automatically rotate the transparent baffle 574 to close, and the protection of the eyes of the operator during the welding of the automobile part is realized. After the welding of the automobile part is completed, the electric telescopic arm 34 moves upward to reset. In the process of the upward movement of the electric telescopic arm 34, the steel wire 55 is gradually straightened until it pulls the connecting piece 575, so that the sleeve body 573 compresses the button spring to drive the transparent baffle 574 to rotate and open, and the subsequent automatic discharge of the workpiece is facilitated.

[0054] At the same time, after the welding of the automobile part is completed, the motor 24 is started to drive the bidirectional screw rod 23 to rotate to reset, so that the positioning block 263 moves away from the workpiece. The round rod 262 slides in the guide 27 to drive the positioning block 263 to contract until it is accommodated in the groove 22. Then, the Y-axis moving mechanism 33 is started to drive the electric telescopic arm 34 to move upward, drive the horizontal plate 51 to move upward, drive the vertical rod 53 to move upward, and then drive the articulated rod 610 to move, so that the slider two 69 gradually approaches the slider one 67. After the slider two 69 abuts against the slider one 67, the slider two 69 extrudes the slider one 67 to move, so that the connecting rod 66 drives the long plate 65 and the horizontal rod 64 to move, and then the telescopic articulated rod 63 is opened to drive the T-shaped rod 62 to move. The telescopic articulated rod 63 can be multiplied by elongation, so that the push-out plate 61 can push out the welded automobile part, and then the collected box 7 is used for collection.

[0055] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made under the inventive concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A welding device for remanufacturing of automotive parts, comprising an operating table (1), characterized in that: The operating table (1) is provided with a fixing component (2) and a welding mechanism (3). The welding mechanism (3) is covered by a protective cover (4). The protective cover (4) is provided with an opening and closing mechanism (5) and an auxiliary discharge mechanism (6). A collection box (7) is placed on the operating table (1). The opening and closing mechanism (5) includes: A horizontal plate (51) is slidably connected to the inner surface of the protective cover (4). Both ends of the horizontal plate (51) are fixedly connected to connecting blocks (52), and the lower side of the connecting blocks (52) is fixedly connected to a vertical rod (53). The fixing block (54) is fixedly connected to the outer wall of the protective cover (4), the vertical rod (53) passes through the fixing block (54) and is slidably connected to the fixing block (54), and the fixing block (54) and the connecting block (52) are elastically connected by a return spring; One end of the steel rope (55) is fixed to the connecting block (52), and the other end of the steel rope (55) is connected to the rotating assembly (57); The rotating wheel (56) is rotatably connected to the outer wall of the protective cover (4) via the positioning shaft; The auxiliary discharge mechanism (6) includes a push plate (61), which is fixedly connected to a T-bar (62). A telescopic hinge rod (63) is hinged to one end of the T-bar (62) away from the push plate (61). A toggle spring is provided at the middle hinge axis of the telescopic hinge rod (63). A crossbar (64) is fixedly connected to one middle hinge axis of the telescopic hinge rod (63) away from the T-bar (62). One end of the crossbar (64) away from the telescopic hinge rod (63) is fixedly connected to the outer wall of a long plate (65). A connecting rod (66) is fixedly connected to the upper part. A slider (67) is fixedly connected to the end of the connecting rod (66) away from the long plate (65). A horizontal bar (64) passes through the protective cover (4) and is slidably connected to the protective cover (4). The slider (67) is passed through by a guide rod (68) and is slidably connected to the guide rod (68). The guide rod (68) is fixedly connected to the outer wall of the protective cover (4). A slider (69) is slidably connected to the guide rod (68). The slider (69) is hinged to the vertical rod (53) through a hinge rod (610). The fixing component (2) includes a placement seat (21), on which a groove (22) is provided. A bidirectional screw (23) is rotatably connected in the groove (22). The bidirectional screw (23) is driven by a motor (24). A threaded block (25) is threadedly connected to the bidirectional screw (23). A positioning component (26) is provided on the threaded block (25). A guide (27) is fixedly connected in the groove (22).

2. The welding device for remanufacturing of automobile parts according to claim 1, characterized in that: A U-shaped part (561) is fixedly connected to the positioning shaft of the rotating wheel (56), and the steel rope (55) passes through the U-shaped part (561).

3. The welding device for remanufacturing of automobile parts according to claim 1, characterized in that: The rotating assembly (57) includes a fixed column (571) which is fixedly connected to the operating table (1). A fixed ring (572) is fixedly connected to the outer wall of the fixed column (571). A sleeve (573) is sleeved on the outer wall of the fixed column (571). The sleeve (573) and the fixed ring (572) are elastically connected by a torsion spring. A transparent baffle (574) and a connector (575) are fixedly connected to the outer wall of the sleeve (573). The connector (575) is fixedly connected to the steel rope (55).

4. The welding device for remanufacturing of automobile parts according to claim 1, characterized in that: The bidirectional screw (23) is rotatably connected in the groove (22), the motor (24) is fixedly connected to the placement seat (21), and the threaded block (25) is slidably connected in the groove (22).

5. The welding device for remanufacturing of automobile parts according to claim 1, characterized in that: The positioning component (26) includes an elastic telescopic rod (261), the telescopic part of which is fixedly connected to a round rod (262), the round rod (262) is slidably connected in the guide (27), and the telescopic end of the elastic telescopic rod (261) is fixedly connected to a positioning block (263).

6. The welding device for remanufacturing of automobile parts according to claim 1, characterized in that: The welding mechanism (3) includes an X-axis moving mechanism (31), a Y-axis moving mechanism (33) and a Z-axis moving mechanism (32). The Z-axis moving mechanism (32) slides on the X-axis moving mechanism (31), the Y-axis moving mechanism (33) slides on the Z-axis moving mechanism (32), and an electric telescopic arm (34) slides on the Y-axis moving mechanism (33). A welding gun (35) is provided at the end of the electric telescopic arm (34).

7. The welding device for remanufacturing of an automobile part according to claim 6, characterized by: A block (341) is fixedly connected to the outer shell of the electric telescopic arm (34), and a guide rod (342) is fixedly connected to the outer wall of the block (341). A slider (511) is slidably connected to the guide rod (342), and the slider (511) slides with the horizontal plate (51).

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