Frame welding fixture

By designing a chassis welding fixture, a stable clamping mechanism for the chassis beam is achieved using components such as threaded rods, slide blocks, cylinders, and motors. This solves the problem of chassis beam displacement during welding, and improves welding quality and applicability.

CN223684747UActive Publication Date: 2025-12-19YANGZHOU YUHENG AUTO PARTS SALES CO LTD
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Patent Information

Application Number
CN202520251463.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-19
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The lack of effective fixing devices in the existing vehicle frame welding process leads to unstable welding quality and the frame beams are prone to displacement during the welding process.

Method used

A chassis welding fixture was designed. Through the cooperation of components such as threaded rods, slides, cylinders, and motors, the chassis beams are stably clamped and adjusted, ensuring the stability of the chassis beams during the welding process.

Benefits of technology

It improves welding quality, ensures the stability of the chassis beam during the welding process, and can be adjusted to a T-shaped or straight connection as needed, thus enhancing the applicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a frame welding fixture which comprises a longitudinal underframe, a transverse underframe is arranged on the left side of the longitudinal underframe, a first threaded rod is rotatably connected in the transverse underframe, a first sliding seat is sleeved on the first threaded rod in a threaded mode, and the top end of the first sliding seat extends out of the top end of the transverse underframe and is fixedly provided with a connecting seat. A fluted disc is fixedly installed at the top end of the connecting base, the front end of the fluted disc is meshed with a gear, a first air cylinder is fixedly installed at the top end of the fluted disc, and a fixing frame is fixedly installed at the output end of the first air cylinder. According to the frame welding fixture, two frame beams needing to be welded can be clamped and fixed, the connecting positions of the two frame beams are tightly attached together, the stability of the frame beams in the welding process of workers is ensured, the welding quality is further improved, meanwhile, adjustment can be conducted according to using requirements, and the welding efficiency is improved. And the two frame beams can be connected and welded in a T shape or a straight line shape, so that the applicability of the equipment is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of frame welding, specifically is a frame welding fixture. BACKGROUND

[0002] The frame is the frame structure across the front and rear axle of the car, commonly known as the girder, is the base body of the car. It is generally composed of two longitudinal beams and several cross beams, supported on the wheels through the suspension device, front axle and rear axle. The main function of the frame is to support and connect various assemblies of the car, so that they maintain the correct relative position, and bear various static and dynamic loads from the car and the ground, including the weight of the body itself parts and the impact, distortion, inertia force and other forces during driving. The frame needs to be welded together after splicing multiple frame beams in the production process.

[0003] In the existing frame welding process, the two frame beams to be welded are usually placed manually, so that the connecting parts of the two frame beams are fitted together, and then the connecting parts are welded using a welding gun. Due to the lack of fixation, the stability of the two frame beams after placement is poor, and displacement may occur between the two frame beams during welding, thereby affecting the welding quality.

[0004] Therefore, we propose a frame welding fixture. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a frame welding fixture to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of frame welding fixture, including longitudinal chassis, the left side of longitudinal chassis is provided with transverse chassis, first threaded rod is rotatably connected in the transverse chassis, first threaded rod is threadedly equipped with first sliding seat, the top end of first sliding seat extends out the top end of transverse chassis and is fixedly installed with connecting seat, the top end of connecting seat is fixedly installed with gear disc, the front end of gear disc is engagedly connected with gear, the top end of gear disc is fixedly installed with first cylinder, the output end of first cylinder is fixedly installed with fixed frame, bidirectional cylinder is fixedly installed in the fixed frame, the two output ends of bidirectional cylinder are extended out of fixed frame and fixedly installed with connecting frame, two the connecting frame is fixedly installed with clamping plate on mutually close side, first frame beam is clamped and fixedly installed between two clamping plates, second threaded rod is rotatably connected in longitudinal chassis, second threaded rod is threadedly equipped with second sliding seat outside, the left end of second sliding seat extends out of longitudinal chassis and is fixedly installed on transverse chassis, L-shaped frame is fixedly installed on the top end of longitudinal chassis, mounting frame is fixedly installed on the front end of L-shaped frame, second cylinder is fixedly installed in mounting frame, the output end of second cylinder is extended out of mounting frame and fixedly installed with clamping seat, second frame beam is clamped and fixed between the top end of clamping seat and the top end in L-shaped frame.

[0007] Optionally, the left side of the transverse chassis is fixedly installed with a first motor, and the output end of the first motor is fixedly installed on the first threaded rod, which facilitates the use of the device by driving the first threaded rod to rotate through the first motor.

[0008] Optionally, the front end of the longitudinal chassis is fixedly installed with a second motor, and the output end of the second motor is fixedly installed on the second threaded rod, which facilitates the use of the device by driving the second threaded rod to rotate through the second motor.

[0009] Optionally, the front end of the connecting seat is fixedly installed with a sliding frame, the top end of the sliding frame is fixedly installed with a motor, and the output end of the motor is fixedly installed on the gear, which facilitates the use of the device by driving the gear to rotate through the motor.

[0010] Optionally, the sliding frame and the connecting seat are slidingly connected to the outside of the transverse chassis, which facilitates the use of the device through this design.

[0011] Optionally, the right side of the longitudinal chassis is fixedly installed with a switch seat, and the switch button on the switch seat facilitates the control of the device to work.

[0012] Optionally, rubber pads are fixedly installed on mutually close sides of the two clamping plates, the top end of the clamping seat and the top end in the L-shaped frame, which can protect the first frame beam and the second frame beam during clamping.

[0013] Compared with the prior art, the utility model has the advantages of

[0014] Through the mutual cooperation of the first threaded rod, the first sliding seat, the connecting seat, the toothed disc, the first motor, the first air cylinder, the fixing frame, the bidirectional air cylinder, the connecting frame, the clamping plate, the second sliding seat, the second threaded rod, the second motor, the L-shaped frame, the clamping seat, the second air cylinder, the sliding frame, the motor and the gear, two frame beams needing welding can be clamped and fixed, and the two frame beam connecting portions are tightly adhered together, the stability of the frame beam during welding of the staff is ensured, welding quality is further improved, the device can be adjusted according to the use requirement, T-shaped or linear connection welding between the two frame beams is met, and the applicability of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model a frame welding fixture;

[0016] Fig. 2 It is a sectional view of the utility model a frame welding fixture;

[0017] Fig. 3 It is a sectional view of the longitudinal chassis in the utility model a frame welding fixture;

[0018] Fig. 4 It is a sectional view of the motor in the utility model a frame welding fixture.

[0019] In the drawing: 1, longitudinal chassis;2, transverse chassis;3, first frame beam;4, second frame beam;5, switch seat;6, first threaded rod;7, first sliding seat;8, connecting seat;9, toothed disc;10, first motor;11, first air cylinder;12, fixing frame;13, bidirectional air cylinder;14, connecting frame;15, clamping plate;16, second sliding seat;17, second threaded rod;18, second motor;19, L-shaped frame;20, clamping seat;21, mounting frame;22, second air cylinder;23, sliding frame;24, motor;25, gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 4The utility model provides a kind of frame welding fixture, including longitudinal chassis 1, the left side of longitudinal chassis 1 is provided with horizontal chassis 2, first threaded rod 6 is rotatably connected in horizontal chassis 2, first threaded rod 6 is threadedly equipped with first slide 7, the top end of first slide 7 extends out the top end of horizontal chassis 2 and is fixedly installed with connecting seat 8, connecting seat 8 top end is fixedly installed with gear disc 9, the front end of gear disc 9 is engagedly connected with gear 25, gear disc 9 top end is fixedly installed with first cylinder 11, the output end of first cylinder 11 is fixedly installed with fixed frame 12, fixed frame 12 is fixedly installed with bidirectional cylinder 13, the two output ends of bidirectional cylinder 13 are extended out fixed frame 12 and fixedly installed with connecting frame 14, two connecting frames 14 are fixedly installed with clamping plate 15 on mutually close side, first frame beam 3 is clamped and fixedly installed between two clamping plates 15, second threaded rod 17 is rotatably connected in longitudinal chassis 1, second threaded rod 17 outside is threadedly equipped with second slide 16, the left end of second slide 16 extends out longitudinal chassis 1 and is fixedly installed on horizontal chassis 2, L-shaped frame 19 is fixedly installed on the top end of longitudinal chassis 1, mounting frame 21 is fixedly installed on the front end of L-shaped frame 19, second cylinder 22 is fixedly installed in mounting frame 21, the output end of second cylinder 22 is extended out mounting frame 21 and fixedly installed with clamping seat 20, second frame beam 4 is clamped and fixed between the top end of clamping seat 20 and the inner top end of L-shaped frame 19.

[0022] The left side of horizontal chassis 2 is fixedly installed with first motor 10, the output end of first motor 10 is fixedly installed on first threaded rod 6, and rotating first threaded rod 6 by first motor 10 is conducive to the use of the equipment, the front end of longitudinal chassis 1 is fixedly installed with second motor 18, the output end of second motor 18 is fixedly installed on second threaded rod 17, and rotating second threaded rod 17 by second motor 18 is conducive to the use of the equipment, the front end of connecting seat 8 is fixedly installed with slide frame 23, the top end of slide frame 23 is fixedly installed with motor 24, the output end of motor 24 is fixedly installed on gear 25, and rotating gear 25 by motor 24 is conducive to the use of the equipment, slide frame 23 and connecting seat 8 are slidingly connected on the outside of horizontal chassis 2, and such design is conducive to the use of the equipment, the right side of longitudinal chassis 1 is fixedly installed with switch seat 5, and the switch button on switch seat 5 is convenient for controlling the equipment to work, rubber pad is fixedly installed on mutually close side of two clamping plates 15 and the top end of clamping seat 20 and the inner top end of L-shaped frame 19, and the first frame beam 3 and the second frame beam 4 are protected in clamping process by rubber pad.

[0023] Working principle: in use, the second frame beam 4 is placed in the L-shaped frame 19 on the upper part of the clamp seat 20, the switch of the second air cylinder 22 is opened, the output end of the second air cylinder 22 drives the clamp seat 20 to rise, the second frame beam 4 is clamped and fixed through the clamp seat 20 and the top end of the L-shaped frame 19, then the first frame beam 3 is placed on the fixing frame 12 between the two clamping plates 15, the contraction switch of the double-way air cylinder 13 is opened, the two output ends of the double-way air cylinder 13 drive the two connecting frames 14 and the clamping plates 15 to slide towards each other, so that the two clamping plates 15 clamp and fix the first frame beam 3, then the switch of the first air cylinder 11 is opened, the output end of the first air cylinder 11 drives the fixing frame 12 and the first frame beam 3 to rise and fall, so as to adjust the height of the first frame beam 3 at the front end of the second frame beam 4, then the switch of the first motor 10 is opened, the first motor 10 works to drive the first threaded rod 6 to rotate, so that the first sliding seat 7 drives the connecting seat 8 to slide left and right, so as to adjust the position of the first frame beam 3 at the front end of the second frame beam 4, then the switch of the second motor 18 is opened, the second motor 18 works to drive the second threaded rod 17 to rotate, so that the second sliding seat 16 drives the transverse bottom frame 2 to slide backward, so that the rear end of the first frame beam 3 is attached to the front end of the second frame beam 4, at this time, the worker can use the external welding gun to weld the connection between the two frame beams in T shape, when it is needed to weld the two ends of the two frame beams, the switch of the motor 24 is opened, the motor 24 works to drive the gear 25, the toothed disc 9, the first air cylinder 11 and the fixing frame 12 to rotate by ninety degrees, so that the first frame beam 3 and the second frame beam 4 are parallel, then the height of the first frame beam 3 is adjusted through the first air cylinder 11, then the first frame beam 3 is moved and adjusted to the left end of the second frame beam 4 through the second motor 18 and the first motor 10, and the first frame beam 3 and the second frame beam 4 are close to each other, at this time, the external welding gun can be used to weld the connection between the two frame beams in a straight line, the vehicle frame welding fixture is convenient to use, the two frame beams to be welded can be clamped and fixed through the above components, and the two frame beam connection parts are closely attached together, so as to ensure the stability of the frame beam during the welding process of the worker, thereby further improving the welding quality, and the device can be adjusted according to the use requirement, so as to meet the T-shaped or straight-shaped connection welding between the two frame beams, thereby further improving the applicability of the device.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A frame welding fixture, characterized by, The utility model relates to a kind of bicycle frame, including longitudinal chassis (1), the left side of longitudinal chassis (1) is provided with transverse chassis (2), first threaded rod (6) is rotatably connected in transverse chassis (2), first threaded rod (6) is threadedly sleeved with first slide (7), the top end of first slide (7) extends out the top end of transverse chassis (2) and is fixedly installed with connecting seat (8), connecting seat (8) top end is fixedly installed with gear disc (9), the front end of gear disc (9) is engaged with gear (25), gear disc (9) top end is fixedly installed with first cylinder (11), the output end of first cylinder (11) is fixedly installed with fixed frame (12), fixed frame (12) is fixedly installed with two-way cylinder (13) inside, the two output ends of two-way cylinder (13) are extended out fixed frame (12) and fixedly installed with connecting frame (14), two connecting frame (14) are fixedly installed with clamping plate (15) on mutually close side, first frame beam (3) is clamped and fixedly installed between two clamping plate (15), longitudinal chassis (1) is rotatably connected with second threaded rod (17), second threaded rod (17) is threadedly sleeved with second slide (16) outside, the left end of second slide (16) extends out longitudinal chassis (1) and is fixedly installed on transverse chassis (2), longitudinal chassis (1) top end is fixedly installed with L-shaped frame (19), the front end of L-shaped frame (19) is fixedly installed with mounting frame (21), second cylinder (22) is fixedly installed in mounting frame (21), the output end of second cylinder (22) is extended out mounting frame (21) and fixedly installed with clamping seat (20), second frame beam (4) is clamped and fixed between the top end of clamping seat (20) and the top end inside L-shaped frame (19).

2. The frame welding fixture of claim 1, wherein, First motor (10) is fixedly installed on the left side of transverse chassis (2), and the output end of first motor (10) is fixedly installed on first threaded rod (6).

3. The frame welding fixture of claim 1, wherein, Second motor (18) is fixedly installed on the front end of longitudinal chassis (1), and the output end of second motor (18) is fixedly installed on second threaded rod (17).

4. The frame welding fixture of claim 1, wherein, Slide frame (23) is fixedly installed on the front end of connecting seat (8), and motor (24) is fixedly installed on the top end of slide frame (23), and the output end of motor (24) is fixedly installed on gear (25).

5. The frame welding fixture of claim 4, wherein, Slide frame (23) and connecting seat (8) are slidingly connected outside transverse chassis (2).

6. The frame welding fixture of claim 1, wherein, Switch seat (5) is fixedly installed on the right side of longitudinal chassis (1).

7. The frame welding fixture of claim 1, wherein, Rubber pad is fixedly installed on mutually close side of two clamping plate (15) and the top end of clamping seat (20) and the top end inside L-shaped frame (19).