Clamp for assembling automobile bracket

Abstract

The utility model relates to the technical field of automobile support clamps, in particular to a clamp for assembling an automobile support. According to the technical scheme, the automobile support fixing device comprises a base, supporting arms are rotationally installed on the two sides of the base, fastening assemblies for fixing an automobile support are installed on the supporting arms, and the automobile support fixing device further comprises a driving module installed on the base. The driving module comprises a power mechanism for driving the supporting arms on the two sides to rotate synchronously and a limiting assembly for limiting and positioning the supporting arms. By means of the driving module, the problem that when the automobile support is assembled, vibration on the automobile support causes loosening of the fastening plate can be solved, and it is guaranteed that the position accuracy of the automobile support can be guaranteed in each assembly process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile support fixture, especially relates to a fixture for automobile support assembly. BACKGROUND

[0002] The automobile assembly process contains multiple procedures, generally adopts the assembly line assembly form. In the assembly workshop of production vehicles, the assembled vehicles need to be moved to reach specific different stations for assembly and debugging. When assembling the automobile, the automobile chassis is first fixed on the transport trolley and fixed through the fastening assembly.

[0003] Generally, the automobile support is fixed in the way of spring pressing plate, and the pressing plate is pressed through the transmission structure, but in the process of conveying and assembling, in order to ensure the positional accuracy of the support, the movement of the support needs to be prevented, and the existing fastening assembly cannot prevent the fastening part from loosening in the process of transportation and assembly. UTILITY MODEL CONTENT

[0004] The utility model aims at the problems in the background art and provides a fixture for automobile support assembly.

[0005] The technical scheme of the utility model: a fixture for automobile support assembly, comprising a base, support arms are rotatably installed on the two sides of the base, a fastening assembly for fixing the automobile support is installed on the support arm, and the fixture further comprises:

[0006] A drive module is installed on the base, and the drive module comprises a power mechanism for driving the synchronous rotation of the support arms on both sides and a limiting component for limiting the position of the support arm.

[0007] Optionally, the power mechanism comprises a transmission belt installed on the support arm, one of the pulleys of the transmission belt is fixedly connected with the support arm, the other pulley is rotatably connected with the base, a gear is fixedly installed on the pulley rotatably connected with the base, the two gears are meshed with each other, a rack is slidably installed on the base, the rack is meshed with one of the gears, and a transmission assembly for driving the rack to move is installed on the base.

[0008] Optionally, the transmission assembly comprises a connecting rod rotatably installed on one end of the rack, a lever is rotatably installed on the base, and the lever is rotatably connected with the connecting rod.

[0009] Optionally, the limiting assembly comprises a positioning cylinder rotatably installed on the base, a sealing block slidably installed in the positioning cylinder, a positioning rod fixedly installed on the sealing block, the positioning rod penetrating through one side of the positioning cylinder and rotatably connected with the lever, one end of the positioning cylinder fixedly installed with a steel pipe, the other end of the steel pipe communicated with the other end of the positioning cylinder, the steel pipe fixedly installed with a valve, the positioning cylinder and the steel pipe filled with hydraulic medium, and an opening and closing assembly connected with the valve to control the opening and closing state of the valve.

[0010] Optionally, the valve comprises a valve body, a valve core rotatably installed in the valve body, and a connecting rod fixedly connected with the valve core, the connecting rod penetrating through one side of the valve body and fixedly installed with a valve handle.

[0011] Optionally, the opening and closing assembly comprises a driving rod rotatably installed on the valve handle, a plug fixedly installed on the driving rod, and a driving cylinder slidably installed on the plug, one end of the driving cylinder rotatably connected with the positioning cylinder, a first spring fixedly installed in the driving cylinder, the other end of the first spring fixedly connected with the plug, and a connecting pipe fixedly installed on one end of the driving cylinder, the top end of the lever provided with a sliding groove, the other end of the connecting pipe communicated with the sliding groove, a pressing rod slidably installed in the sliding groove, and the sliding groove, the connecting pipe and the driving cylinder filled with hydraulic medium.

[0012] Optionally, the fastening assembly comprises a supporting plate rotatably installed on the supporting arm, a plurality of fastening sleeves fixedly installed on the supporting plate, a sliding block fixedly installed in the fastening sleeve, a second spring fixedly installed on the sliding block, the other end of the second spring fixedly connected with the fastening sleeve, a fastening rod fixedly installed on the sliding block, and a fastening plate rotatably installed on the fastening rod.

[0013] In summary, the present application has the following at least beneficial technical effects:

[0014] By means of the driving module, when fastening the automobile support, only the pressing rod and the lever need to be pressed at the same time, which is simple and convenient, and after the fastening of the automobile support is completed, only the lever needs to be released, so that the position of the lever can be automatically fixed, thereby effectively preventing the lever from moving when affected by external force, and avoiding the problem that the vibration of the automobile support causes the fastening plate to loosen when assembling the automobile support, so as to ensure the accuracy of the position of the automobile support in each process of assembly, and help to improve the precision of the assembly of the automobile support. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Structure diagram of the clamp for assembling the automobile support;

[0016] Figure 2 Structure diagram of the driving module;

[0017] Figure 3 For Figure 2 the local enlarged view at A in the middle;

[0018] Figure 4 For Figure 2 the local enlarged view at B in the middle;

[0019] Figure 5 For the structural diagram of the fastening assembly.

[0020] The drawings show: 1, base; 2, support arm; 3, fastening assembly; 301, fastening sleeve; 302, sliding block; 303, second spring; 304, fastening rod; 305, fastening plate; 306, support plate; 4, drive module; 401, transmission belt; 402, gear; 403, rack; 404, connecting rod; 405, lever; 406, positioning cylinder; 407, sealing block; 408, positioning rod; 409, steel pipe; 410, valve; 411, valve handle; 412, drive rod; 413, plug; 414, drive cylinder; 415, first spring; 416, connecting pipe; 417, sliding groove; 418, pressing rod. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0022] Embodiments, as Figures 1 to 5 shown, the utility model discloses a fixture for automobile support assembly, including base 1, the both sides of base 1 are rotatably installed with support arm 2, and support arm 2 is installed with the fastening assembly 3 that fixes automobile support, and the fastening assembly includes the support plate 306 rotatably installed on support arm 2, and a plurality of fastening sleeves 301 are fixedly installed on support plate 306, and sliding block 302 is fixedly installed in fastening sleeve 301, and second spring 303 is fixedly installed on sliding block 302, and the other end of second spring 303 is fixedly connected with fastening sleeve 301, and fastening rod 304 is fixedly installed on sliding block 302, and fastening plate 305 is rotatably installed on fastening rod 304. When support arm 2 rotates, will drive support plate 306 to move, and then can drive fastening plate 305 to move, can make fastening plate 305 with the contact of automobile house, and gradually compresses second spring 303 along with the rotation of support arm 2, and the pressure of fastening plate 305 can be carried out through the action of second spring 303, and then the friction between fastening plate 305 and automobile support can fix automobile support.

[0023] The driving module 4 is installed on the base 1, and the driving module comprises a power mechanism for driving the support arms 2 on both sides to rotate synchronously and a limiting assembly for limiting the position of the support arms 2. The angle of rotation of the support arms 2 can be adjusted by the power mechanism, and then the compression amount of the second spring 303 can be adjusted, and then the pressure applied by the fastening rod 304 to the automobile support can be adjusted, and the loosening of the fastening plate 305 caused by the vibration of the automobile support during the assembly of the automobile support can be effectively prevented by the limiting assembly.

[0024] Further, the power mechanism comprises a transmission belt 401 installed on the support arm 2, one of the pulleys of the transmission belt 401 is fixedly connected with the support arm 2, and the other pulley is rotatably connected with the base 1. The pulley rotatably connected with the base 1 is fixedly installed with a gear 402, the two gears 402 are meshed with each other, a rack 403 is slidably installed on the base 1, the rack 403 is meshed with one of the gears 402, and a transmission assembly for driving the rack 403 to move is installed on the base 1. When the rack 403 moves, the gear 402 meshed with the rack 403 will rotate, and the two gears 402 meshed with each other can make the two gears 402 rotate synchronously. The rotating gear 402 will drive the transmission belt 401 to rotate, and then the support arm 2 can be driven to rotate.

[0025] The transmission assembly comprises a connecting rod 404 rotatably installed on one end of the rack 403, a lever 405 is rotatably installed on the base 1, and the lever 405 is rotatably connected with the connecting rod 404. The connecting rod 404 can be driven to rotate by rotating the lever 405, and the rack 403 can be driven to move by the rotating connecting rod 404, and the resistance when the lever 405 is rotated can be effectively reduced by the lever principle.

[0026] In the embodiment, the limiting assembly comprises a positioning cylinder 406 rotatably installed on the base 1, a sealing block 407 slidably installed in the positioning cylinder 406, a positioning rod 408 fixedly installed on the sealing block 407, the positioning rod 408 penetrating through one side of the positioning cylinder 406 and rotatably connected with the lever 405, a steel pipe 409 fixedly installed at one end of the positioning cylinder 406, the other end of the steel pipe 409 being in communication with the other end of the positioning cylinder 406, a valve 410 fixedly installed on the steel pipe 409, the positioning cylinder 406 and the steel pipe 409 being filled with hydraulic medium, and an opening and closing assembly connected with the valve 410 to control the opening and closing state of the valve 410. When the valve 410 is opened, the hydraulic oil located in the positioning cylinder 406 and on both sides of the sealing block 407 cannot flow through the steel pipe 409, so that the position of the sealing block 407 cannot be moved, and the position of the positioning rod 408 cannot be moved. Conversely, when the valve 410 is opened, the positions of the sealing block 407 and the positioning rod 408 can be moved. When the lever 405 rotates, the positioning rod 408 needs to be moved, so that whether the lever 405 can rotate can be controlled by controlling the opening and closing of the valve 410, and the position of the fastening plate 305 can be positioned.

[0027] It should be noted that the valve 410 comprises a valve body, a valve core rotatably installed in the valve body, and a connecting rod fixedly connected with the valve core, the connecting rod penetrating through one side of the valve body and fixedly installed with a valve handle 411. The valve core is rotated by rotating the valve handle 411, so that the opening and closing state of the valve 410 can be controlled (the valve 410 is prior art, and details are not described herein).

[0028] Further, the opening and closing assembly comprises a driving rod 412 rotatably installed on the valve hand 411, a plug 413 fixedly installed on the driving rod 412, a driving cylinder 414 slidably installed on the plug 413, one end of the driving cylinder 414 is rotatably connected with the positioning cylinder 406, the first spring 415 is fixedly installed in the driving cylinder 414, the other end of the first spring 415 is fixedly connected with the plug 413, and the connecting pipe 416 is fixedly installed on one end of the driving cylinder 414. The top end of the lever 405 is provided with a sliding groove 417, the other end of the connecting pipe 416 is communicated with the sliding groove 417, the pressure rod 418 is slidably installed in the sliding groove 417, and the sliding groove 417, the connecting pipe 416 and the driving cylinder 414 are all filled with hydraulic medium. When the lever 405 needs to be rotated, the pressure rod 418 needs to be pressed first, at this time, the downward pressure rod 418 will extrude the hydraulic medium, so that the hydraulic medium enters the inside of the driving cylinder 414 through the connecting pipe 416 and pushes the plug 413 to move, the moving plug 413 will drive the driving rod 412 to move, when the driving rod 412 extends outward, the valve hand 411 will be pushed to rotate, thereby the valve 410 can be opened, when the fastening plate 305 is adjusted, the pressure rod 418 is released, and the plug 413 can be reset under the action of the first spring 415, thereby the valve 410 can be closed.

[0029] Working principle: when the lever 405 needs to be rotated, the pressure rod 418 needs to be pressed first, at this time, the downward pressure rod 418 will extrude the hydraulic medium, so that the hydraulic medium enters the inside of the driving cylinder 414 through the connecting pipe 416 and pushes the plug 413 to move, the moving plug 413 will drive the driving rod 412 to move, when the driving rod 412 extends outward, the valve hand 411 will be pushed to rotate, thereby the valve 410 can be opened, the lever 405 is rotated, the connecting rod 404 is driven to rotate, the rack 403 is pushed to move through the rotating connecting rod 404, the gear 402 is driven to rotate through the rotating gear 402, thereby the supporting arm 2 can be rotated, with the rotation of the supporting arm 2, the second spring 303 is gradually compressed, the fastening plate 305 can be pressed through the action of the second spring 303, thereby the friction between the fastening plate 305 and the automobile support can fix the automobile support.

[0030] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make multiple alternative improvements and combinations to the above specific embodiments.

Claims

1. A fixture for assembling an automobile bracket, comprising a base (1), on both sides of the base (1) being rotatably mounted support arms (2), and fastening components (3) for fixing the automobile bracket being mounted on the support arms (2), characterized in that, Also includes: The drive module (4) is mounted on the base (1). The drive module includes a power mechanism that drives the support arms (2) on both sides to rotate synchronously and a positioning component that limits the positioning of the support arms (2).

2. The fixture for assembling automobile brackets according to claim 1, characterized in that, The power mechanism includes a transmission belt (401) mounted on the support arm (2). The transmission belt (401) includes two pulleys. One of the pulleys of the transmission belt (401) is fixedly connected to the support arm (2), and the other pulley is rotatably connected to the base (1). A gear (402) is fixedly mounted on the pulley rotatably connected to the base (1). The two gears (402) mesh with each other. A rack (403) is slidably mounted on the base (1). The rack (403) meshes with one of the gears (402). A transmission component for driving the rack (403) to move is mounted on the base (1).

3. The fixture for assembling automobile brackets according to claim 2, characterized in that, The transmission assembly includes a connecting rod (404) rotatably mounted on one end of a rack (403), and a lever (405) rotatably mounted on the base (1), the lever (405) being rotatably connected to the connecting rod (404).

4. The fixture for assembling automobile brackets according to claim 3, characterized in that, The limiting component includes a positioning cylinder (406) rotatably mounted on a base (1), a sealing block (407) slidably mounted inside the positioning cylinder (406), a positioning rod (408) fixedly mounted on the sealing block (407), the positioning rod (408) passing through one side of the positioning cylinder (406) and rotatably connected to the lever (405), a steel pipe (409) fixedly mounted on one end of the positioning cylinder (406), the other end of the steel pipe (409) communicating with the other end of the positioning cylinder (406), a valve (410) fixedly mounted on the steel pipe (409), both the positioning cylinder (406) and the steel pipe (409) being filled with hydraulic medium, and an opening and closing component for controlling the opening and closing state of the valve (410) connected to the valve (410).

5. The fixture for assembling automobile brackets according to claim 4, characterized in that, The valve (410) includes a valve body, a valve core rotatably mounted inside the valve body, and a connecting rod fixedly connected to the valve core. The connecting rod passes through one side of the valve body and is fixedly mounted with a valve handle (411).

6. The fixture for assembling automobile brackets according to claim 5, characterized in that, The opening and closing assembly includes a drive rod (412) rotatably mounted on a valve handle (411), a plug (413) fixedly mounted on the drive rod (412), and a drive cylinder (414) slidably mounted on the plug (413). One end of the drive cylinder (414) is rotatably connected to the positioning cylinder (406). A first spring (415) is fixedly installed inside the drive cylinder (414). The other end of the first spring (415) is fixedly connected to the plug (413). A connecting pipe (416) is fixedly installed at one end of the drive cylinder (414). A slide groove (417) is provided at the top of the lever (405). The other end of the connecting pipe (416) communicates with the slide groove (417). A pressure rod (418) is slidably installed inside the slide groove (417). The slide groove (417), the connecting pipe (416), and the drive cylinder (414) are all filled with hydraulic medium.

7. The fixture for assembling automobile brackets according to claim 1, characterized in that, The fastening assembly includes a support plate (306) rotatably mounted on the support arm (2), a plurality of fastening sleeves (301) fixedly mounted on the support plate (306), a slider (302) fixedly mounted inside the fastening sleeve (301), a second spring (303) fixedly mounted on the slider (302), the other end of the second spring (303) being fixedly connected to the fastening sleeve (301), a fastening rod (304) fixedly mounted on the slider (302), and a fastening plate (305) rotatably mounted on the fastening rod (304).

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