Automobile rear longitudinal beam welding clamp tool

Abstract

The utility model relates to the technical field of clamp tools, and discloses an automobile rear longitudinal beam welding clamp tool which comprises a positioning and fixing hollow column, a left-right position adjusting mechanism is arranged at the top of the positioning and fixing hollow column, and a clamping mechanism is arranged at the top of the left-right position adjusting mechanism. According to the welding clamp tool for the automobile rear longitudinal beam, through the arranged clamping mechanism, in the using process, rotating handles are rotated according to the length of the automobile rear longitudinal beam to be clamped, under transmission of a transmission belt, a transmission roller drives a second threaded rod to rotate, the position of a moving strip can be changed, the distance can be freely adjusted only by rotating the two rotating handles, and the welding clamp tool for the automobile rear longitudinal beam is convenient to use. And the air cylinder is driven, so that the output end of the air cylinder drives the limiting sliding block to move towards the inner side, the clamping plate is pushed to clamp the automobile rear longitudinal beam, and the convenience of clamping the automobile rear longitudinal beam before welding of the automobile rear longitudinal beam is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixtures and tools, in particular to a welding fixture and tool for a rear longitudinal beam of an automobile. Background Art

[0002] The rear longitudinal beam of a car is an important component that supports the trunk. During the processing of the rear longitudinal beam of a car, it needs to be welded. Therefore, a welding fixture is needed to fix the rear longitudinal beam of the car so that it can remain stable during the welding process and no processing errors will occur.

[0003] According to a welding fixture for automobile rear longitudinal beam disclosed on the patent website (authorization announcement number: CN218695445U), "The utility model provides a welding fixture for automobile rear longitudinal beam, which relates to the field of automobile parts fixtures, including a fixture base and a rear longitudinal beam sample, wherein two guide rails are fixedly installed on the lower surface of the fixture base, a connecting substrate 1 is fixedly installed on the inner wall at the right end of the fixture base, a connecting substrate 2 is fixedly installed on the inner wall at the left end of the fixture base, and a motor is fixedly installed on the upper surface of the connecting substrate 1, The output shaft of the motor is fixedly installed with a transmission screw. By matching the structural size and position of the clamping base plate with the positioning base, one end of the adjusting screw passes through the positioning base and is threadedly connected to the sliding base. The upper surface of the positioning base on both sides of the sliding base is provided with a limit bolt, and the bottom end of the limit bolt passes through the positioning base and is fixedly connected to the limit block. By rotating the adjusting screw, the sliding base can be adjusted to move on the guide slide groove, and the two sides of the rear longitudinal beam sample can be clamped by translating the clamping base plate, so that the rear longitudinal beam sample is tightly clamped.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model can clamp the two sides of the rear longitudinal beam through the clamping base plate, the adjusting screw can change the clamping position of the clamping base plate, and the adjusting limit bolts can freely adjust the spacing according to the size of the rear longitudinal beam. However, in actual use, when the device needs to adjust and fix the positioning base plate, four manual limit bolts need to be manually screwed, and the positioning base plate is provided with four, which makes the process of positioning and fixing the positioning base plate more cumbersome and inconvenient to operate. Therefore, it is necessary to improve a kind of automobile rear longitudinal beam welding fixture tooling to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a welding fixture for a rear longitudinal beam of an automobile to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a welding fixture for automobile rear longitudinal beam, comprising a positioning and fixing hollow column, a left and right position adjustment mechanism is arranged on the top of the positioning and fixing hollow column, and a clamping mechanism is arranged on the top of the left and right position adjustment mechanism.

[0008] The clamping mechanism comprises a positioning and adjusting component and a clamping component, and the clamping component is arranged on the top of the positioning and adjusting component.

[0009] Preferably, the left-right position adjustment mechanism includes a base plate, which is fixedly mounted on the top of a positioning and fixing hollow column, a fixing bolt is arranged inside the base plate, a threaded rod is rotatably mounted inside the base plate, a movable plate is mounted on the external thread of the threaded rod, a limiting strip is fixedly mounted on the bottom of the movable plate, and a motor is fixedly mounted on the right side of the base plate, so as to facilitate the adjustment of the clamping position through the left-right position adjustment mechanism.

[0010] Preferably, the limit strip 1 is slidably mounted inside the base plate, and the left side of the transmission shaft of the motor and the right side of the threaded rod 1 are fixedly mounted, so as to facilitate adjustment under normal conditions.

[0011] Preferably, the positioning and adjustment component includes a rotating frame, which is fixedly mounted on the front and back of the base plate, and a threaded rod 2 is rotatably mounted inside the rotating frame, a movable bar is threadedly mounted on the external surface of the threaded rod 2, a transmission roller is fixedly mounted on the external surface of the threaded rod 2, a transmission belt is installed on the external transmission of the transmission roller, four transmission rollers are provided, and a rotating handle is fixedly mounted on the external surface of the transmission roller on the front side, and a limit strip 2 is fixedly mounted on the bottom of the movable bar, so as to facilitate the adjustment of the positioning clamping spacing through the positioning and adjustment component.

[0012] Preferably, grooves are provided at corresponding positions of the base plate and the second limiting strip, and the second limiting strip is slidably installed in the groove provided inside the base plate, thereby improving stability.

[0013] Preferably, the clamping assembly includes a placement groove, which is fixedly installed on the top of the base plate, a fixing plate is fixedly installed on the top of the movable bar, a cylinder is fixedly installed on the inner side of the fixing plate, a limiting slider is fixedly installed on the inner side of the cylinder, and a clamping plate is fixedly installed on the inner side of the limiting slider, so as to facilitate the clamping of the rear longitudinal beam of the automobile by the clamping assembly.

[0014] Preferably, the clamping plate is arranged on the inner side of the placement groove, and the limiting sliding block is slidably installed inside the placement groove, so as to facilitate clamping in a normal state.

[0015] Compared with the prior art, the utility model provides a welding fixture for the rear longitudinal beam of an automobile, which has the following beneficial effects:

[0016] 1. The automobile rear longitudinal beam welding fixture tooling, through the clamping mechanism set up, during use, according to the length of the automobile rear longitudinal beam to be clamped, the rotating handle is rotated, and under the transmission of the transmission belt, the transmission roller drives the second threaded rod to rotate, so that the moving bar can change the position. Only the two rotating handles need to be rotated to freely adjust the spacing, avoiding the tediousness of rotating multiple bolts, driving the cylinder, so that the output end of the cylinder drives the limit slider to move inward, pushing the clamping plate to clamp the automobile rear longitudinal beam, thereby improving the convenience of clamping the automobile rear longitudinal beam before welding the automobile rear longitudinal beam.

[0017] 2. The automobile rear longitudinal beam welding fixture, through the left and right position adjustment mechanism, can install and fix the fixture during use by using the combination of the positioning and fixing hollow column and the fixing bolt, drive the motor so that the transmission shaft of the motor drives the threaded rod 1 to rotate, so that the threaded rod 1 drives the movable plate to move under the restriction of the limit bar 1, thereby changing the left and right position of the clamped automobile rear longitudinal beam, thereby realizing the function of adjusting the left and right position of the clamped automobile rear longitudinal beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance structure of the clamping mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the appearance structure of the positioning and adjusting component of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance structure of the clamping assembly of the utility model;

[0023] Figure 5 This is a schematic diagram of the exploded appearance structure of the left and right position adjustment mechanism of the utility model.

[0024] In the figure: 1. Positioning and fixing hollow column; 2. Left and right position adjustment mechanism; 21. Base plate; 22. Fixing bolt; 23. Threaded rod one; 24. Moving plate; 25. Limiting strip one; 26. Motor; 3. Clamping mechanism; 31. Positioning and adjusting assembly; 311. Rotating frame; 312. Threaded rod two; 313. Moving strip; 314. Driving roller; 315. Driving belt; 316. Rotating handle; 317. Limiting strip two; 32. Clamping assembly; 321. Placement slot; 322. Fixed plate; 323. Cylinder; 324. Limiting slider; 325. Clamping plate. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a welding fixture for a rear longitudinal beam of an automobile, comprising a positioning and fixing hollow column 1, a left-right position adjustment mechanism 2 is arranged on the top of the positioning and fixing hollow column 1, and a clamping mechanism 3 is arranged on the top of the left-right position adjustment mechanism 2.

[0029] The clamping mechanism 3 includes a positioning and adjusting component 31 and a clamping component 32 . The clamping component 32 is arranged on the top of the positioning and adjusting component 31 .

[0030] Furthermore, the positioning and adjustment component 31 includes a rotating frame 311, which is fixedly installed on the front and back of the base plate 21. A threaded rod 312 is rotatably installed inside the rotating frame 311, and a movable bar 313 is installed on the external thread of the threaded rod 312. A transmission roller 314 is fixedly installed on the outer side of the threaded rod 312, and a transmission belt 315 is installed on the external transmission of the transmission roller 314. Four transmission rollers 314 are provided, and a rotating handle 316 is fixedly installed on the outer side of the front transmission roller 314. A limit bar 317 is fixedly installed on the bottom of the movable bar 313, so as to facilitate the adjustment of the positioning clamping spacing through the positioning and adjustment component 31.

[0031] Furthermore, grooves are provided at corresponding positions of the base plate 21 and the second limiting strip 317 , and the second limiting strip 317 is slidably installed in the groove provided inside the base plate 21 , thereby improving stability.

[0032] Furthermore, the clamping assembly 32 includes a placement groove 321, which is fixedly installed on the top of the base plate 21, a fixed plate 322 is fixedly installed on the top of the movable bar 313, a cylinder 323 is fixedly installed on the inner side of the fixed plate 322, a limiting slider 324 is fixedly installed on the inner side of the cylinder 323, and a clamping plate 325 is fixedly installed on the inner side of the limiting slider 324, so as to facilitate the clamping of the rear longitudinal beam of the automobile through the clamping assembly 32.

[0033] Furthermore, the clamping plate 325 is arranged on the inner side of the placement groove 321, and the limiting slider 324 is slidably installed inside the placement groove 321, so as to facilitate clamping in a normal state.

[0034] Embodiment two:

[0035] See also Figure 5 , and combined with Example 1, it is further obtained that the left and right position adjustment mechanism 2 includes a base plate 21, the base plate 21 is fixedly installed on the top of the positioning and fixing hollow column 1, a fixing bolt 22 is arranged inside the base plate 21, a threaded rod 23 is rotatably installed inside the base plate 21, a moving plate 24 is installed on the external thread of the threaded rod 23, a limit strip 25 is fixedly installed on the bottom of the moving plate 24, and a motor 26 is fixedly installed on the right side of the base plate 21, so as to facilitate the adjustment of the clamping position through the left and right position adjustment mechanism 2.

[0036] Furthermore, the limit strip 25 is slidably installed inside the base plate 21, and the left side of the transmission shaft of the motor 26 is fixedly installed on the right side of the threaded rod 23, so as to facilitate adjustment under normal conditions.

[0037] In actual operation, when this device is used, the combination of the positioning and fixing hollow column 1 and the fixing bolt 22 can be used to install and fix the fixture, and the motor 26 is driven to make the transmission shaft of the motor 26 drive the threaded rod 23 to rotate, so that the threaded rod 23 drives the movable plate 24 to move under the restriction of the limit bar 25, so that the left and right positions of the clamped rear longitudinal beam of the automobile can be changed, and the function of adjusting the left and right positions of the clamped rear longitudinal beam of the automobile is realized. According to the length of the clamped rear longitudinal beam of the automobile, the rotating handle 316 is rotated. Under the transmission of the transmission belt 315, the transmission roller 314 drives the threaded rod 2 312 to rotate, so that the movable bar 313 can change its position. Only two rotating handles 316 need to be rotated to freely adjust the spacing, avoiding the tediousness of rotating multiple bolts, and driving the cylinder 323 so that the output end of the cylinder 323 drives the limit slider 324 to move inward, pushing the clamping plate 325 to clamp the rear longitudinal beam of the automobile, thereby improving the convenience of clamping the rear longitudinal beam of the automobile before welding the rear longitudinal beam of the automobile.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A welding fixture for a rear longitudinal beam of an automobile, comprising a positioning and fixing hollow column (1), characterized in that: A left-right position adjustment mechanism (2) is arranged on the top of the positioning and fixing hollow column (1), and a clamping mechanism (3) is arranged on the top of the left-right position adjustment mechanism (2); The clamping mechanism (3) comprises a positioning and adjusting component (31) and a clamping component (32), wherein the clamping component (32) is arranged on the top of the positioning and adjusting component (31).

2. The automobile rear longitudinal beam welding fixture according to claim 1, characterized in that: The left-right position adjustment mechanism (2) comprises a base plate (21), the base plate (21) is fixedly mounted on the top of a positioning and fixing hollow column (1), a fixing bolt (22) is arranged inside the base plate (21), a threaded rod (23) is rotatably mounted inside the base plate (21), a movable plate (24) is threadedly mounted on the outside of the threaded rod (23), a limit strip (25) is fixedly mounted on the bottom of the movable plate (24), and a motor (26) is fixedly mounted on the right side of the base plate (21).

3. The automobile rear longitudinal beam welding fixture according to claim 2, characterized in that: The limiting strip 1 (25) is slidably mounted inside the base plate (21), and the left side of the transmission shaft of the motor (26) is fixedly mounted on the right side of the threaded rod 1 (23).

4. The automobile rear longitudinal beam welding fixture according to claim 1, characterized in that: The positioning adjustment component (31) comprises a rotating frame (311), the rotating frame (311) is fixedly mounted on the front and back of the base plate (21), a second threaded rod (312) is rotatably mounted inside the rotating frame (311), a moving bar (313) is threadedly mounted on the outside of the second threaded rod (312), a transmission roller (314) is fixedly mounted on the outside of the second threaded rod (312), a transmission belt (315) is installed on the outside of the transmission roller (314), four transmission rollers (314) are provided, and a rotating handle (316) is fixedly mounted on the outside of the transmission roller (314) on the front, and a second limit bar (317) is fixedly mounted on the bottom of the moving bar (313).

5. The automobile rear longitudinal beam welding fixture according to claim 4, characterized in that: Grooves are provided at corresponding positions of the base plate (21) and the second limiting strip (317), and the second limiting strip (317) is slidably installed inside the groove provided inside the base plate (21).

6. The automobile rear longitudinal beam welding fixture according to claim 4, characterized in that: The clamping assembly (32) comprises a placement groove (321), the placement groove (321) is fixedly mounted on the top of the base plate (21), a fixing plate (322) is fixedly mounted on the top of the moving bar (313), a cylinder (323) is fixedly mounted on the inner side of the fixing plate (322), a limiting slider (324) is fixedly mounted on the inner side of the cylinder (323), and a clamping plate (325) is fixedly mounted on the inner side of the limiting slider (324).

7. The automobile rear longitudinal beam welding fixture according to claim 6, characterized in that: The clamping plate (325) is arranged on the inner side of the placement groove (321), and the limiting sliding block (324) is slidably installed inside the placement groove (321).

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