Axle housing rear cover spot welding equipment compatible with multiple products

Abstract

The invention discloses multi-product compatible axle housing rear cover spot welding equipment which comprises a shell, a base is arranged on the inner side of the shell, a support is fixedly connected to the rear side of the base, a welding machine is arranged on the upper side of the support, a limiting unit is arranged on the upper side of the base, and a welding unit is arranged on the rear side of the base. And the limiting unit comprises a fixing box, the fixing box is fixedly connected to the upper side of the left end of the base, a first rotating shaft is rotationally connected to the inner side of the fixing box, and a first bevel gear is fixedly connected to the outer side of the first rotating shaft. By arranging the fixing box, the motor, the first rotating shaft, the first rotating disc, the second rotating shaft, the second rotating disc, a first hydraulic cylinder and a control block, the first hydraulic cylinder can conveniently drive the second rotating disc to move, the first rotating disc and the second rotating disc limit interface flanges with different thicknesses, and through a second hydraulic rod and a limiting frame on the lower side, the limiting frame can conveniently limit the interface flanges with different lengths; and the applicability of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the field of spot welding equipment, and in particular to a spot welding equipment for axle housing and rear cover that is compatible with multiple products. Background Art

[0002] Spot welding machine is a kind of mechanical equipment, which adopts the principle of double-sided double-point overcurrent welding. When working, two electrodes pressurize the workpiece so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. When the welding current flows from one electrode to the other electrode, an instantaneous heat welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode along the two workpieces to this electrode to form a loop, and will not damage the internal structure of the workpiece being welded.

[0003] There are large differences in the overall lengths of the bridge housing, interface flange and rear cover ring of the three types of rear axles of Geely VE11, Chery KQ53EV and Shareholding B15. Spot welding machines cannot weld interface flanges of various lengths, and electric welding machines are not very applicable and are used in a single way. Summary of the invention

[0004] In order to overcome the shortcoming of low welding applicability for welding interface flanges and rear cover rings of different lengths in the prior art, one of the objectives of the present invention is to provide a spot welding device for bridge housing and rear cover that is compatible with multiple products.

[0005] One of the purposes of the present invention is achieved by the following technical solution: a spot welding device for axle housing rear cover compatible with multiple products, comprising a housing: a base is arranged on the inner side of the housing, a bracket is fixedly connected to the rear side of the base, a welding machine is arranged on the upper side of the bracket, a limited position unit is arranged on the upper side of the base, and a welding unit is arranged on the rear side of the base; The limiting unit comprises a fixed box, which is fixedly connected to the upper side of the left end of the base, the inner side of the fixed box is rotatably connected with a rotating shaft 1, the outer side of the rotating shaft 1 is fixedly connected with a bevel gear 1, the outer side of the bevel gear 1 is meshedly connected with a bevel gear 2, the outer side of the bevel gear 2 is fixedly connected with a motor, the outer end of the rotating shaft 1 passes through the right side of the fixed box and is fixedly connected with a turntable 1, the upper side of the right end of the base is fixedly connected with a guide rail, the outer side of the guide rail is slidably connected with a control block, the upper side of the base is fixedly connected with a hydraulic cylinder 1, the output end of the hydraulic cylinder 1 is fixedly connected with the control block, the left side of the control block is rotatably connected with a rotating shaft 2, the left end of the rotating shaft 2 is fixedly connected with a turntable 2, the right side of the lower end of the fixed box is fixedly connected with a hydraulic cylinder 2, the outer side of the hydraulic cylinder 2 is fixedly connected with a limiting frame, and an interface flange is provided between the turntable 1 and the turntable 2.

[0006] According to the axle housing rear cover spot welding equipment compatible with multiple products, the welding unit includes two columns, both of which are fixedly connected to the rear side of the base, a connecting block is arranged on the front side of the column, a hydraulic cylinder 3 is fixedly connected to the front side of the connecting block, a fixed block is fixedly connected to the front side of the hydraulic cylinder 3, the output end of the hydraulic cylinder 3 is fixedly connected to the fixed block, a control frame 1 is fixedly connected to the front side of the fixed block, a moving block 3 is slidably connected to the inner side of the control frame 1, a control frame 2 is fixedly connected to the front side of the moving block 3, a moving block 1 is slidably connected to the inner side of the control frame 2, a control frame 3 is fixedly connected to the front side of the moving block 1, a moving block 2 is slidably connected to the inner side of the control frame 2, a connecting rod is fixedly connected to the outer side of the moving block 2, a welding gun is fixedly connected to the outer side of the connecting rod, so as to facilitate the adjustment of the welding gun.

[0007] According to the spot welding equipment for bridge housing and rear cover compatible with multiple products, the inner side of the control frame 1 is rotatably connected to screw 1, the inner side of the control frame 2 is rotatably connected to screw 2, and the inner side of the control frame 3 is rotatably connected to screw 3.

[0008] According to the axle housing rear cover spot welding equipment compatible with multiple products, the screw rod 1 is threadedly connected to the moving block 3, the screw rod 2 is threadedly connected to the moving block 1, and the screw rod 3 is threadedly connected to the moving block 2. It is convenient to control the movement of the welding gun.

[0009] According to the axle housing rear cover spot welding equipment compatible with multiple products, the limit frame is set as a U-shaped structure, which is convenient for limiting the interface flange.

[0010] According to the axle housing rear cover spot welding equipment compatible with multiple products, the outer sides of screw rod one, screw rod two and screw rod three are all fixedly connected with a rotating plate.

[0011] According to the axle housing rear cover spot welding equipment compatible with multiple products, two observation windows are arranged on the front side of the housing to facilitate observation of the internal welding conditions. Beneficial Effects

[0012] By providing a fixed box, a motor, a rotating shaft 1, a rotating disk 1, a rotating shaft 2, a rotating disk 2, a hydraulic cylinder 1 and a control block, the hydraulic cylinder 1 can drive the rotating disk 2 to move, so that the rotating disk 1 and the rotating disk 2 can limit the interface flanges of different thicknesses, and through the hydraulic rod 2 and the limiting frame on the lower side, the limiting frame can limit the interface flanges of different lengths, thereby increasing the applicability of the equipment.

[0013] By arranging the control frame 1, the control frame 2, the control frame 3, the screw rod 1, the screw rod 2 and the screw rod 3, it is convenient to adjust the position of the welding gun in the three directions of X, Y and Z, thereby increasing the welding accuracy.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below with reference to the accompanying drawings and embodiments; Figure 1 The overall three-dimensional structure diagram of a bridge housing rear cover spot welding device compatible with multiple products invented by the present invention; Figure 2 A three-dimensional structural diagram of a bridge housing rear cover spot welding device compatible with multiple products without the outer shell is invented by the present invention; Figure 3 for Figure 2 The enlarged view of point A in the middle; Figure 4 A stereoscopic structural diagram of another perspective of a bridge housing rear cover spot welding device compatible with multiple products without the outer shell is invented for the present invention; Figure 5 for Figure 4 The enlarged view of point B in the middle; Figure 6 A three-dimensional structural diagram of a welding unit of a bridge housing rear cover spot welding device compatible with multiple products invented by the present invention; Figure 7 for Figure 6 Enlarged view in C.

[0016] Legend: 1. Shell; 2. Observation window; 3. Base; 4. Limiting unit; 401. Fixing box; 402. Shaft 1; 403. Bevel gear 1; 404. Bevel gear 2; 405. Motor; 406. Turntable 1; 407. Guide rail; 408. Hydraulic cylinder 1; 409. Control block; 410. Shaft 2; 411. Turntable 2; 412. Hydraulic cylinder 2; 413. Limiting frame; 5. Welding unit; 501 , column; 502, connecting block; 503, hydraulic cylinder three; 504, fixed block; 505, control box one; 506, screw one; 507, control box two; 508, screw two; 509, moving block one; 510, control box three; 511, screw three; 512, moving block two; 513, connecting rod; 514, welding gun; 515, moving block three; 6, bracket; 7, welding machine; 8, interface flange. Implementation

[0017] This section will describe in detail the specific embodiments of the invention. The preferred embodiments of the invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the invention, but it cannot be understood as a limitation on the protection scope of the invention.

[0018] Reference Figure 1-7 The embodiment of the invention is a spot welding device for a bridge shell and rear cover compatible with multiple products, including a shell 1: a base 3 is arranged on the inner side of the shell 1, a bracket 6 is fixedly connected to the rear side of the base 3, a welding machine 7 is arranged on the upper side of the bracket 6, a limiting unit 4 is arranged on the upper side of the base 3, a welding unit 5 is arranged on the rear side of the base 3, and two observation windows 2 are arranged on the front side of the shell 1, and the observation windows 2 are used to observe the internal welding conditions.

[0019] The limiting unit 4 includes a fixed box 401, which is fixedly connected to the upper side of the left end of the base 3, and the inner side of the fixed box 401 is rotatably connected to a rotating shaft 1 402, and the outer side of the rotating shaft 1 402 is fixedly connected to a bevel gear 1 403, and the outer side of the bevel gear 1 403 is meshedly connected to a bevel gear 2 404, and the outer side of the bevel gear 2 404 is fixedly connected to a motor 405, and the outer end of the rotating shaft 1 402 passes through the right side of the fixed box 401 and is fixedly connected to a turntable 1 406, and the upper side of the right end of the base 3 is fixedly connected to a guide rail 40 7, the outer side of the guide rail 407 is slidably connected with a control block 409, the upper side of the base 3 is fixedly connected with a hydraulic cylinder 1 408, the output end of the hydraulic cylinder 1 408 is fixedly connected to the control block 409, the left side of the control block 409 is rotatably connected with a rotating shaft 2 410, the left end of the rotating shaft 2 410 is fixedly connected with a turntable 2 411, the right side of the lower end of the fixed box 401 is fixedly connected with a hydraulic cylinder 2 412, the outer side of the hydraulic cylinder 2 412 is fixedly connected with a limited position frame 413, and an interface method is provided between the turntable 1 406 and the turntable 2 411 The interface flange 8 and the limit frame 413 are set as a U-shaped structure. When in use, the staff first puts the interface flange 8 and the rear cover ring together, and then puts the interface flange 8 on the outside of the turntable 1 406, and then controls the hydraulic cylinder 1 408 to drive the control block 409 to move, and the control block 409 drives the turntable 2 411 on the rotating shaft 2 410 to approach the interface flange 8, so that the turntable 1 406 and the turntable 2 411 can limit the interface flanges 8 of different thicknesses. After the limiting is completed, the hydraulic cylinder 2 412 is controlled to drive the limit frame 413 Move, the limit frame 413 is against the lower side of the interface flange 8, so that the interface flanges 8 of different lengths are limited to prevent the interface flange 8 from rotating during welding. During welding, start the motor 405, the output shaft of the motor 405 drives the bevel gear 2 404 to rotate, the bevel gear 2 404 drives the bevel gear 1 403 to rotate, the bevel gear 1 403 drives the rotating shaft 1 402 to rotate, the rotating shaft 1 402 drives the turntable 1 406 to rotate, the turntable 1 406 drives the interface flange 8 to rotate, so as to facilitate spot welding of different positions of the interface flange 8 and the rear cover ring.

[0020] The welding unit 5 includes two columns 501, both of which are fixedly connected to the rear side of the base 3, and a connecting block 502 is provided on the front side of the column 501. The front side of the connecting block 502 is fixedly connected to a hydraulic cylinder 3 503, and the output end of the hydraulic cylinder 3 503 is fixedly connected to a fixed block 504. The front side of the fixed block 504 is fixedly connected to a control frame 1 505, and the inner side of the control frame 1 505 is slidably connected to a moving block 3 515, and the front side of the moving block 3 515 is fixedly connected to a control frame 1 505. The control frame 507 is connected to the moving block 509 on the inner side in a sliding manner, and the front side of the moving block 509 is fixedly connected to the control frame 3 510, and the control frame 3 510 is connected to the moving block 512 on the inner side in a sliding manner, and the outer side of the moving block 512 is fixedly connected to the connecting rod 513, and the outer side of the connecting rod 513 is fixedly connected to the welding gun 514, the inner side of the control frame 505 is rotatably connected to the screw 1 506, and the inner side of the control frame 507 is rotatably connected to the screw 2 508, The inner side of the control frame 3 510 is rotatably connected with a screw 3 511, the screw 1 506 is threadedly connected with the moving block 3 515, the screw 2 508 is threadedly connected with the moving block 1 509, the screw 3 511 is threadedly connected with the moving block 2 512, and the outer sides of the screw 1 506, the screw 2 508 and the screw 3 511 are all fixedly connected with a rotating plate. Before welding, the staff rotates the rotating plate, and the rotating plate drives the screw 1 506 to rotate, and the screw 1 506 drives the moving block 3 515 to move along the X-axis direction. , so that the moving block three 515 drives the control frame two 507 to move, the control frame two 507 drives the control frame three 510 on the moving block one 509 to move, and the control frame three 510 drives the welding gun 514 on the moving block two 512 to move in the X-axis direction. Similarly, the screw two 508 is rotated to make the screw two 508 drive the welding gun 514 to move in the Y-axis direction, and the screw three 511 is rotated to drive the welding gun 514 to move in the Z-axis direction, so as to facilitate the adjustment of different orientations of the welding gun 514 and increase the welding accuracy.

[0021] Working principle: When in use, the staff first places the interface flange 8 and the rear cover ring on the turntable 406, and then controls the hydraulic cylinder 408 to drive the turntable 411 to limit the interface flange 8, and controls the hydraulic cylinder 412 to drive the limit frame 413 to limit the interface flanges 8 of different lengths to increase the applicability of the equipment, and then rotates the three rotating plates to make the rotating plates drive the screw 506, the screw 508 and the screw 511 to rotate, so as to drive the welding gun 514 to move in the X, Y and Z axis directions, so as to increase the welding accuracy of the welding gun 514. When welding, start the motor 405, and under the action of the bevel gear 403 and the bevel gear 404, the motor 405 drives the turntable 406 on the rotating shaft 402 to rotate, so as to rotate the interface flange 8, so as to facilitate the welding of the interface flange 8 and the rear cover ring at different positions.

[0022] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the spirit of the present invention.

Claims

1. A spot welding device for bridge housing and rear cover compatible with multiple products, characterized in that: The invention comprises a housing (1), wherein a base (3) is arranged on the inner side of the housing (1), a bracket (6) is fixedly connected to the rear side of the base (3), a welding machine (7) is arranged on the upper side of the bracket (6), a limiting unit (4) is arranged on the upper side of the base (3), and a welding unit (5) is arranged on the rear side of the base (3); the limiting unit (4) comprises a fixed box (401), the fixed box (401) is fixedly connected to the upper side of the left end of the base (3), a rotating shaft 1 (402) is rotatably connected to the inner side of the fixed box (401), a bevel gear 1 (403) is fixedly connected to the outer side of the rotating shaft 1 (402), a bevel gear 2 (404) is meshedly connected to the outer side of the bevel gear 1 (403), a motor (405) is fixedly connected to the outer side of the bevel gear 2 (404), and the outer side of the rotating shaft 1 (402) is fixedly connected to the outer side of the bevel gear 2 (404). The upper end of the base (3) passes through the right side of the fixed box (401) and is fixedly connected to a turntable 1 (406); the upper side of the right end of the base (3) is fixedly connected to a guide rail (407); the outer side of the guide rail (407) is slidably connected to a control block (409); the upper side of the base (3) is fixedly connected to a hydraulic cylinder 1 (408); the output end of the hydraulic cylinder 1 (408) is fixedly connected to the control block (409); the left side of the control block (409) is rotatably connected to a rotating shaft 2 (410); the left end of the rotating shaft 2 (410) is fixedly connected to a turntable 2 (411); the right side of the lower end of the fixed box (401) is fixedly connected to a hydraulic cylinder 2 (412); the outer side of the hydraulic cylinder 2 (412) is fixedly connected to a limit frame (413); and an interface flange (8) is provided between the turntable 1 (406) and the turntable 2 (411).

2. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 1 is characterized in that: The welding unit (5) comprises two columns (501), both of which are fixedly connected to the rear side of the base (3), a connecting block (502) is arranged on the front side of the column (501), a hydraulic cylinder three (503) is fixedly connected to the front side of the connecting block (502), an output end of the hydraulic cylinder three (503) is fixedly connected to a fixing block (504), a control frame one (505) is fixedly connected to the front side of the fixing block (504), and a movable Block three (515), the front side of the moving block three (515) is fixedly connected to the control frame two (507), the inner side of the control frame two (507) is slidably connected to the moving block one (509), the front side of the moving block one (509) is fixedly connected to the control frame three (510), the inner side of the control frame three (510) is slidably connected to the moving block two (512), the outer side of the moving block two (512) is fixedly connected to the connecting rod (513), and the outer side of the connecting rod (513) is fixedly connected to the welding gun (514).

3. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 2 is characterized in that: The inner side of the control frame 1 (505) is rotatably connected to the screw 1 (506), the inner side of the control frame 2 (507) is rotatably connected to the screw 2 (508), and the inner side of the control frame 3 (510) is rotatably connected to the screw 3 (511).

4. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 3 is characterized in that: The screw rod one (506) is threadedly connected to the moving block three (515), the screw rod two (508) is threadedly connected to the moving block one (509), and the screw rod three (511) is threadedly connected to the moving block two (512).

5. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 1 is characterized in that: The limiting frame (413) is arranged in a U-shaped structure.

6. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 3 is characterized in that: The outer sides of the screw rod 1 (506), the screw rod 2 (508) and the screw rod 3 (511) are all fixedly connected with a rotating plate.

7. The spot welding equipment for bridge housing and rear cover compatible with multiple products according to claim 1 is characterized in that: Two observation windows (2) are provided on the front side of the housing (1).

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