Clamp for brazing of automobile radiator core

By designing a car radiator core brazing fixture including a load-bearing plate, a rotating mechanism, a first clamping mechanism and a second clamping mechanism, the problem that the existing fixture cannot adapt to the core size and the angle cannot be adjusted is solved, and a wider scope of application is achieved, reducing production costs and improving brazing stability and efficiency are improved.

CN222588352UActive Publication Date: 2025-03-11JIANGSU LIER MOTORCYCLE TECH CO LTD
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Patent Information

Application Number
CN202421300570.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-11
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing automotive radiator core brazing fixtures cannot adapt to products of different sizes, and the fixture angle cannot be adjusted, which limits the flexibility and scope of brazing and increases production costs.

Method used

An automobile radiator core brazing fixture including a load bearing plate, a rotating mechanism, a first clamping mechanism and a second clamping mechanism is designed. Through the arrangement of the first clamping mechanism and the second clamping mechanism, the clamp can adapt to cores of different sizes, and adjust the core angle through the rotating mechanism to achieve multi-angle brazing.

Benefits of technology

The scope of application of the fixture to cores of different sizes is improved, production costs are reduced, and the use of the rotating mechanism is used to achieve flexible adjustment of the core angle, enhancing the stability and efficiency of brazing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile radiator core braze welding clamp, which comprises a bearing plate, a rotating mechanism, first clamping mechanisms and a second clamping mechanism, the bearing plate is arranged on the rotating mechanism, the rotating mechanism is arranged in a case, the two transverse ends of the bearing plate are provided with accommodating grooves, the first clamping mechanisms are arranged in the two accommodating grooves, and the second clamping mechanisms are arranged in the accommodating grooves. Second clamping mechanisms are arranged at the two longitudinal ends of the bearing plate; through the arrangement of the first clamping mechanism and the second clamping mechanism, the clamp can clamp automobile radiator core bodies with different sizes, so that the application range is widened, and the production cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile radiators, in particular to a clamp for brazing an automobile radiator core. Background Art

[0002] The radiator is a core component in the cooling system of the automobile engine. The heat dissipation performance and mechanical properties directly affect the power effect of the automobile engine. With the continuous improvement of automobile engine performance, the heat load is getting higher and higher, and the requirements for the cooling system are getting higher and higher. The internal pressure of the radiator also increases accordingly with the improvement of the integration of the cooling system. People pay more and more attention to the research on the engine cooling system including the radiator, and new technologies and new materials are constantly emerging. Under the premise of ensuring that the radiator has sufficient heat dissipation capacity and strength, smaller size, lighter weight and higher heat dissipation efficiency have become the inevitable trend of the development of radiators.

[0003] At present, the existing automobile radiator core brazing fixture uses a pull rod for fixed press-fitting, which can only clamp products of specified size. Different sizes require corresponding fixtures, which increases production costs, and the fixture angle cannot be adjusted, which cannot meet the needs of workers to braze the automobile radiator core at different angles, thereby narrowing the use range of the entire brazing fixture and limiting the use of the brazing fixture. In view of the above defects, it is necessary to design a fixture for brazing the automobile radiator core. Utility Model Content

[0004] The utility model aims to provide a clamp for brazing a core of an automobile radiator, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp for brazing the core of an automobile radiator, comprising a bearing plate, a rotating mechanism, a first clamping mechanism and a second clamping mechanism, wherein the bearing plate is mounted on the rotating mechanism, the rotating mechanism is mounted in a chassis, both lateral ends of the bearing plate are provided with accommodating grooves, both accommodating grooves are provided with a first clamping mechanism, and both longitudinal ends of the bearing plate are provided with a second clamping mechanism.

[0006] Preferably, the rotating mechanism includes a rotating table, the middle part of the rotating table is fixedly connected to one end of the rotating shaft, the other end of the rotating shaft is rotatably mounted on the bottom of the chassis through a bearing, a worm gear is installed in the middle part of the rotating shaft, the worm gear is meshingly connected with the worm, and the worm is coaxially fixed on the worm shaft.

[0007] Preferably, a first bevel gear is installed at one end of the worm shaft, the first bevel gear is meshingly connected with the second bevel gear, the second bevel gear is installed at the output end of the first motor, and a stop tooth is provided on one side of the worm gear, and the stop tooth is fixedly connected to the piston rod of the stop cylinder.

[0008] Preferably, the first clamping mechanism includes a screw box and a first clamping plate, three hollow grooves are opened at equal intervals on the top of the screw box, a threaded rod is rotatably arranged in the screw box, one end of the threaded rod is fixedly connected to the output end of the second motor, a threaded sleeve is sleeved on the threaded rod, and the threaded rod is threadedly connected to the threaded sleeve, and the threaded sleeve is installed on the moving block.

[0009] Preferably, the top of the moving block passes through a hollow groove and is fixedly connected to the push plate, both ends of the moving block are fixedly connected to the connecting block through a connecting rod, a sliding sleeve is installed on the connecting block, the sliding sleeve is mounted on the guide rod, both ends of the guide rod are installed in the screw box, the top of the connecting block passes through the hollow groove and is fixedly connected to the push plate, and the push plate is fixedly connected to the first clamping plate through an elastic telescopic rod.

[0010] Preferably, the elastic telescopic rod includes a sleeve, a sliding rod and a spring, one end of the sleeve is fixedly connected to the push plate, a pressure plate is movably installed inside the sleeve, the pressure plate is fixedly connected to one end of the sliding rod, the other end of the sliding rod is fixedly connected to the first clamping plate, the pressure plate is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to the inner wall of the sleeve.

[0011] Preferably, the second clamping mechanism includes a screw box and a second clamping plate, the screw box is installed on the supporting plate, both sides of the supporting plate are provided with transversely arranged sliding grooves, the screw box is provided with a strip groove, a bidirectional screw is rotatably installed inside the screw box, one end of the bidirectional screw is fixedly connected to the output end of the third motor, and the first screw nut and the second screw nut are threadedly connected to the bidirectional screw.

[0012] Preferably, the first screw nut is installed on the first slider, a first groove is opened on the side wall of the first slider, a first ball is arranged in the first groove, the first ball is abutted against the inner wall of the screw box, a first hinge seat is installed on the first slider, the first hinge seat is hinged to one end of the first push rod, the other end of the first push rod is hinged to the second hinge seat through the strip groove, and the second hinge seat is installed at one end of the second clamping plate.

[0013] Preferably, the second screw nut is installed on the second slider, a second groove is opened on the side wall of the second slider, a second ball is arranged in the second groove, the second ball is abutted against the inner wall of the screw box, a third hinge seat is installed on the second slider, the third hinge seat is hinged to one end of the second push rod, the other end of the second push rod passes through the strip groove and is hinged to the fourth hinge seat, the fourth hinge seat is installed at the other end of the second splint, the second splint is fixedly connected to the third slider, the third slider is slidably arranged in the slide groove, and a rubber pad is installed on the second splint.

[0014] Compared with the prior art, the utility model provides a clamp for brazing the core of an automobile radiator. By setting a first clamping mechanism and a second clamping mechanism, the clamp can clamp automobile radiator cores of different sizes, thereby improving the scope of application and reducing production costs. The utility model is provided with a rotating mechanism, and the first motor drives the rotating table to rotate, thereby driving the bearing plate and the automobile radiator core to rotate, so as to achieve the effect of adjusting the angle of the automobile radiator core, which is convenient for brazing the automobile radiator core. The utility model is provided with a stop tooth and a stop cylinder, and the stop tooth is pushed by the stop cylinder so that the stop tooth is engaged with the worm gear, and the worm gear is held stationary to maintain the rotating state of the bearing plate and the automobile radiator core, so that the automobile radiator core can be brazed more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the rotating mechanism in the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the first clamping mechanism in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the second clamping mechanism in the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the elastic telescopic rod in the utility model.

[0021] In the attached figure:

[0022] 1. Carrying plate; 2. Rotating mechanism; 201. Rotating table; 202. Rotating shaft; 203. Bearing; 204. Worm wheel; 205. Worm; 206. Worm shaft; 207. Bearing seat; 208. First bevel gear; 209. Second bevel gear; 210. First motor; 211. Stopping tooth; 212. Stopping cylinder; 213. Cylinder supporting plate; 3. First clamping mechanism; 301. Screw box; 302. Hollow groove; 303. Threaded rod; 304. Second motor; 305. Threaded sleeve; 306. Moving block; 307. Push plate; 308. Connecting rod; 309. Connecting block; 310. Sliding sleeve; 311. Guide rod; 312. First clamping plate; 313. Sleeve; 314 , pressure plate; 315, slide bar; 316, spring; 4, second clamping mechanism; 401, screw box; 402, slide groove; 403, strip groove; 404, bidirectional screw; 405, third motor; 406, first screw nut; 407, first slider; 408, first groove; 409, first ball; 410, first hinge seat; 411, first push rod; 412, second hinge seat; 413, second clamping plate; 414, second screw nut; 415, second slider; 416, second groove; 417, second ball; 418, third hinge seat; 419, second push rod; 420, fourth hinge seat; 421, third slider; 422, rubber pad; 5, chassis; 6, receiving groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 As shown, the utility model provides a technical solution: a clamp for brazing a core of an automobile radiator, comprising a bearing plate 1, a rotating mechanism 2, a first clamping mechanism 3 and a second clamping mechanism 4, wherein the bearing plate 1 is mounted on the rotating mechanism 2, the rotating mechanism 2 is used to drive the bearing plate 1 to rotate, the rotating mechanism 2 is mounted in a chassis 5, both lateral ends of the bearing plate 1 are provided with accommodating grooves 6, both accommodating grooves 6 are provided with the first clamping mechanism 3, and both longitudinal ends of the bearing plate 1 are provided with the second clamping mechanism 4.

[0025] The rotating mechanism 2 in this embodiment includes a rotating table 201, the middle part of the rotating table 201 is fixedly connected to one end of the rotating shaft 202, and the other end of the rotating shaft 202 is rotatably mounted on the bottom of the chassis 5 through a bearing 203. A worm gear 204 is installed in the middle part of the rotating shaft 202, and the worm gear 204 is meshed with a worm 205. The worm 205 is coaxially fixed on a worm shaft 206, and the worm shaft 206 is rotatably mounted on the bottom of the chassis 5 through a bearing seat 207. A first bevel gear 208 is installed at one end of the worm shaft 206, and the first bevel gear 208 is meshed with a second bevel gear 209. The second bevel gear 209 is mounted on the output end of the first motor 210. A stop tooth 211 is provided on one side of the worm gear 204, and the stop tooth 211 is fixedly connected to the piston rod of the stop cylinder 212. The stop cylinder 212 is mounted on the bottom of the chassis 5 through a cylinder support plate 213.

[0026] The first clamping mechanism 3 in this embodiment includes a screw box 301 and a first clamping plate 312. The screw box 301 is installed in the receiving groove 6. Three hollow grooves 302 are evenly spaced on the top of the screw box 301. A threaded rod 303 is rotatably arranged in the screw box 301. One end of the threaded rod 303 is fixedly connected to the output end of the second motor 304. The second motor 304 is installed at one end of the screw box 301. A threaded sleeve 305 is sleeved on the threaded rod 303, and the threaded rod 303 is screwed to the threaded sleeve 305. The threaded sleeve 305 is installed on the moving block. On 306, the moving block 306 is a "convex" shaped structure, the top of the moving block 306 passes through the hollow groove 302 and is fixedly connected to the push plate 307, both ends of the moving block 306 are fixedly connected to the connecting block 309 through the connecting rod 308, a sliding sleeve 310 is installed on the connecting block 309, the sliding sleeve 310 is sleeved on the guide rod 311, both ends of the guide rod 311 are installed in the screw box 301, the top of the connecting block 309 passes through the hollow groove 302 and is fixedly connected to the push plate 307, and the push plate 307 is fixedly connected to the first clamping plate 312 through an elastic telescopic rod.

[0027] The elastic telescopic rod in this embodiment includes a sleeve 313, a sliding rod 315 and a spring 316. One end of the sleeve 313 is fixedly connected to the push plate 307. A pressure plate 314 is movably installed inside the sleeve 313. The pressure plate 314 is fixedly connected to one end of the sliding rod 315. The other end of the sliding rod 315 is fixedly connected to the first clamping plate 312. The pressure plate 314 is fixedly connected to one end of the spring 316. The other end of the spring 316 is fixedly connected to the inner wall of the sleeve 313.

[0028] The second clamping mechanism 4 in this embodiment includes a screw box 401 and a second clamping plate 413. The screw box 401 is installed on the bearing plate 1, and the bearing plate 1 is installed on the rotating table 201. Both sides of the bearing plate 1 are provided with transversely arranged sliding grooves 402. The screw box 401 is provided with a strip groove 403. A bidirectional screw 404 is rotatably installed inside the screw box 401. One end of the bidirectional screw 404 is fixedly connected to the output end of the third motor 405. The third motor 405 is installed at one end of the screw box 401. The bidirectional screw 404 is threadedly connected with a first screw nut 406 and a second screw nut 414. The first screw nut 406 is installed on the first slider 407. A first groove 408 is provided on the side wall of the first slider 407. A first ball 409 is provided in the first groove 408. The first ball 409 is against the inner wall of the screw box 401. A first hinge seat 410 is installed on the first slider 407. The first hinge seat 410 and the first push rod One end of the first push rod 411 is hinged, the other end of the first push rod 411 passes through the strip groove 403 and is hinged to the second hinge seat 412, the second hinge seat 412 is installed at one end of the second clamping plate 413, the second screw nut 414 is installed on the second slider 415, the side wall of the second slider 415 is provided with a second groove 416, the second groove 416 is provided with a second ball 417, the second ball 417 is against the inner wall of the screw box 401, and the second slider 415 is provided with a third hinge Seat 418, the third hinged seat 418 is hinged to one end of the second push rod 419, the second push rod 419 and the first push rod 411 are cross-arranged, the other end of the second push rod 419 passes through the strip groove 403 and is hinged to the fourth hinged seat 420, the fourth hinged seat 420 is installed at the other end of the second clamping plate 413, the second clamping plate 413 is fixedly connected with the third slider 421, the third slider 421 is slidably set in the slide groove 402, and a rubber pad 422 is installed on the second clamping plate 413.

[0029] The working principle of the utility model is as follows: first, the automobile radiator core is placed in the middle of the bearing plate 1, and the second motor 304 is started. The second motor 304 drives the threaded rod 303 to rotate, and the threaded sleeve 305 is driven to move when the threaded rod 303 rotates, and the moving block 306 also moves along the threaded rod 303 under the action of the sliding sleeve 310 and the guide rod 311, thereby driving the push plate 307 and the first clamping plate 312 to move, so that the two first clamping plates 312 are close to the middle of the bearing plate 1, and the two first clamping plates 312 are close to the automobile radiator core. The first clamping plate 312 is clamped laterally and the elastic telescopic rod is pressed. The first clamping plate 312 is pressed against the car radiator core under the action of the spring force, and the car radiator core can be quickly pressed flat. The third motor 405 is started, and the third motor 405 drives the bidirectional screw rod 404 to rotate. The bidirectional screw rod 404 drives the first screw rod nut 406 and the second screw rod nut 414 to move closer to each other. The first screw rod nut 406 and the second screw rod nut 414 respectively drive the first push rod 411 and the second push rod 419 to move. The first push rod 411 and the second push rod 419 push the second clamping plate 413 moves, and the two second clamping plates 413 and the third slider 421 move toward the middle of the carrying plate 1 along the slide groove 402 under the guidance of the slide groove 402. The two second clamping plates 413 clamp the automobile radiator core longitudinally, and the rubber pads 422 are arranged on the second clamping plates 413 to effectively reduce the damage caused by clamping. Through the arrangement of the first clamping mechanism 3 and the second clamping mechanism 4, the clamp can clamp automobile radiator cores of different sizes, thereby improving the scope of application and reducing the production cost. After the automobile radiator core is clamped, Start the first motor 210, the first motor 210 drives the second bevel gear 209 to rotate, and the second bevel gear 209 is meshed with the first bevel gear 208 to drive the first bevel gear 208 to rotate, the worm shaft 206 and the worm 205 also rotate, and the worm 205 is meshed with the worm wheel 204 to drive the worm wheel 204 to rotate, the rotating shaft 202 and the rotating table 201 also rotate, thereby driving the supporting plate 1 and the automobile radiator core to rotate, so as to achieve the effect of adjusting the angle of the automobile radiator core, which is convenient for the brazing of the automobile radiator core.

[0030] When the support plate 1 and the automobile radiator core are brazed after being rotated at an angle, the stop tooth 211 is provided, and the stop tooth 211 is selectively engaged and fixed with the worm gear 204, so that the rotation state of the support plate 1 and the automobile radiator core can be stably maintained. Therefore, the stop tooth 211 can be pushed by the stop cylinder 212 to engage with the worm gear 201, and the worm gear 201 can be supported to make the worm gear 201 stationary, so as to maintain the rotation state of the support plate 1 and the automobile radiator core, so that the automobile radiator core can be brazed more stably.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamp for brazing a core of an automobile radiator, characterized in that: The invention comprises a bearing plate (1), a rotating mechanism (2), a first clamping mechanism (3) and a second clamping mechanism (4); the bearing plate (1) is mounted on the rotating mechanism (2); the rotating mechanism (2) is mounted in a chassis (5); accommodating grooves (6) are provided at both lateral ends of the bearing plate (1); the first clamping mechanism (3) is provided in each of the two accommodating grooves (6); and the second clamping mechanism (4) is provided at both longitudinal ends of the bearing plate (1).

2. The clamp for brazing the core of an automobile radiator according to claim 1, characterized in that: The rotating mechanism (2) comprises a rotating platform (201), the middle portion of the rotating platform (201) is fixedly connected to one end of a rotating shaft (202), the other end of the rotating shaft (202) is rotatably mounted on the bottom of a chassis (5) via a bearing (203), a worm wheel (204) is mounted on the middle portion of the rotating shaft (202), the worm wheel (204) is meshingly connected to a worm (205), and the worm (205) is coaxially fixed to a worm shaft (206).

3. The clamp for brazing the core of an automobile radiator according to claim 2, characterized in that: A first bevel gear (208) is installed at one end of the worm shaft (206), the first bevel gear (208) is meshedly connected with a second bevel gear (209), the second bevel gear (209) is installed at the output end of the first motor (210), and a stop tooth (211) is provided on one side of the worm wheel (204), and the stop tooth (211) is fixedly connected to the piston rod of the stop cylinder (212).

4. The clamp for brazing the core of an automobile radiator according to claim 1, characterized in that: The first clamping mechanism (3) comprises a screw box (301) and a first clamping plate (312). Three hollow grooves (302) are formed at equal intervals on the top of the screw box (301). A threaded rod (303) is rotatably arranged in the screw box (301). One end of the threaded rod (303) is fixedly connected to the output end of the second motor (304). A threaded sleeve (305) is sleeved on the threaded rod (303). The threaded rod (303) is threadedly connected to the threaded sleeve (305). The threaded sleeve (305) is mounted on the moving block (306).

5. The clamp for brazing the core of an automobile radiator according to claim 4, characterized in that: The top of the moving block (306) passes through the hollow groove (302) and is fixedly connected to the push plate (307). Both ends of the moving block (306) are fixedly connected to the connecting block (309) through a connecting rod (308). A sliding sleeve (310) is installed on the connecting block (309). The sliding sleeve (310) is sleeved on a guide rod (311). Both ends of the guide rod (311) are installed in the screw box (301). The top of the connecting block (309) passes through the hollow groove (302) and is fixedly connected to the push plate (307). The push plate (307) is fixedly connected to the first clamping plate (312) through an elastic telescopic rod.

6. The clamp for brazing the core of an automobile radiator according to claim 5, characterized in that: The elastic telescopic rod comprises a sleeve (313), a sliding rod (315) and a spring (316); one end of the sleeve (313) is fixedly connected to the push plate (307); a pressure plate (314) is movably installed inside the sleeve (313); the pressure plate (314) is fixedly connected to one end of the sliding rod (315); the other end of the sliding rod (315) is fixedly connected to the first clamping plate (312); the pressure plate (314) is fixedly connected to one end of the spring (316); and the other end of the spring (316) is fixedly connected to the inner wall of the sleeve (313).

7. The clamp for brazing the core of an automobile radiator according to claim 1, characterized in that: The second clamping mechanism (4) comprises a screw box (401) and a second clamping plate (413), the screw box (401) being mounted on a supporting plate (1), both sides of the supporting plate (1) being provided with transversely arranged sliding grooves (402), the screw box (401) being provided with a strip groove (403), a bidirectional screw (404) being rotatably mounted inside the screw box (401), one end of the bidirectional screw (404) being fixedly connected to an output end of a third motor (405), and a first screw nut (406) and a second screw nut (414) being threadedly connected to the bidirectional screw (404).

8. The clamp for brazing the core of an automobile radiator according to claim 7, characterized in that: The first screw nut (406) is installed on the first slider (407), and a first groove (408) is opened on the side wall of the first slider (407). A first ball (409) is arranged in the first groove (408), and the first ball (409) is against the inner wall of the screw box (401). A first hinge seat (410) is installed on the first slider (407), and the first hinge seat (410) is hinged to one end of the first push rod (411). The other end of the first push rod (411) passes through the strip groove (403) and is hinged to the second hinge seat (412). The second hinge seat (412) is installed on one end of the second clamping plate (413).

9. The clamp for brazing the core of an automobile radiator according to claim 7, characterized in that: The second screw nut (414) is installed on the second slider (415), and a second groove (416) is opened on the side wall of the second slider (415). A second ball (417) is arranged in the second groove (416), and the second ball (417) is abutted against the inner wall of the screw box (401). A third hinge seat (418) is installed on the second slider (415), and the third hinge seat (418) is hinged to one end of the second push rod (419). The other end of the second push rod (419) passes through the strip groove (403) and is hinged to the fourth hinge seat (420). The fourth hinge seat (420) is installed on the other end of the second clamping plate (413), and the second clamping plate (413) is fixedly connected to the third slider (421). The third slider (421) is slidably set in the sliding groove (402), and a rubber pad (422) is installed on the second clamping plate (413).