A positioning tool for lower support of automobile left and right fender

Abstract

The utility model discloses a kind of positioning tool of automobile left and right fender lower support, including machine base, fender lower support pipe section and welding accessory, the lower end of the machine base is fixedly connected with support pile in left and right sides, the upper end of the machine base is fixedly connected with load seat.The utility model is by being placed in fender lower support pipe section on load seat and being set through two bandages, so that cylinder drives the arc-shaped buffer pad on two bandages and fender lower support pipe section are pressed tightly, it is convenient to quickly position fender lower support pipe section, improve the efficiency of processing, by being placed in welding accessory on rectangular push plate and being pressed with rectangular protrusion, so that U-shaped positioning plate cooperates spring and strip-shaped protrusion and welding accessory is clamped and positioned on rectangular push plate, and by hydraulic cylinder cooperates rectangular push plate and pushes horizontally welding accessory, and butt joint with fender lower support pipe section, without manual butt joint, reduce labor intensity, improve processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to a positioning fixture for the lower bracket of the left and right fenders of an automobile. Background Technology

[0002] The main function of a car fender is to cover the wheels and protect the car body from damage caused by sand, gravel, and other foreign objects kicked up by the wheels. Car fenders are usually installed on the front and rear wheels of a car. According to the installation position, they can be divided into front fenders and rear fenders. The lower fender bracket is the component that fixes the car fender. The lower fender bracket needs to be welded.

[0003] Currently, when welding automotive fender lower bracket components, the irregular shape of these components makes it difficult to quickly position them, affecting processing efficiency. This paper proposes a positioning fixture for automotive left and right fender lower brackets to solve this problem. Utility Model Content

[0004] To address the shortcomings and defects in existing technologies, this utility model proposes a positioning fixture for the lower fender brackets of automobiles. This fixture solves the technical problem in the background art where, during the welding and processing of automobile lower fender bracket parts, the irregular shape of the lower fender bracket parts makes it inconvenient to quickly position the lower fender brackets, thus affecting processing efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A positioning fixture for the lower fender brackets of an automobile includes a base, a lower fender bracket section, and welding accessories. Support piles are fixedly connected to the lower ends of both sides of the base. A material carrier is fixedly connected to the upper end of the base. The material carrier has a rectangular through-slot that connects the front and rear sides. A cylinder is fixedly installed at the bottom center of the rectangular through-slot. A lifting block is fixedly connected to the upper end of the piston rod of the cylinder. Two straps are fixedly connected to the upper end of the lifting block, and both straps penetrate the top surface of the rectangular through-slot. The lower fender bracket section is placed on the upper end of the material carrier and pressed against the two straps. A hydraulic cylinder is fixedly installed on the upper left side of the material carrier, and a pushing and docking mechanism is provided on the piston rod of the hydraulic cylinder.

[0007] Preferably, a circular groove is provided at the upper end of the center position of the lifting block, and an installation block is fixedly connected to the upper end of the cylinder piston rod. A first bolt is provided through the bottom of the circular groove, and the lower end of the first bolt is threadedly connected to the upper end of the installation block.

[0008] Preferably, limit blocks are fixedly connected to the left and right side walls of the lifting block, and limit grooves are provided on the left and right inner walls of the rectangular through groove, with the two limit blocks slidably inserted into the two limit grooves respectively.

[0009] Preferably, both straps are fixedly connected to arc-shaped buffer pads on the arc-shaped top surface outside the rectangular through groove. The arc-shaped buffer pads are made of wear-resistant rubber products and are pressed against the lower support pipe section of the fender.

[0010] Preferably, the material pushing and docking mechanism includes a connecting block fixedly connected to the piston rod of the hydraulic cylinder, a rectangular push plate fixedly connected to the connecting block, a second bolt passing through one end of the connecting block near each of the four corners, several second bolts being threadedly connected to the rectangular push plate, a U-shaped positioning plate being sleeved on the rectangular push plate, strip-shaped protrusions being provided on the opposite sidewalls of the U-shaped positioning plate near the right end, two springs being fixedly connected between the U-shaped positioning plate and the rectangular push plate, a rectangular protrusion being provided on the right sidewall of the rectangular push plate below the U-shaped positioning plate, and the welding fittings abutting and pressing against the rectangular push plate, the strip-shaped protrusions and the rectangular protrusions.

[0011] Preferably, the rectangular push plate and the rectangular protrusion are integrally formed, and the U-shaped positioning plate and the strip protrusion are integrally formed.

[0012] Compared with the prior art, the advantages of this utility model are as follows:

[0013] 1. By placing the fender lower support tube section on the material carrier and passing it through two straps, the cylinder drives the arc-shaped buffer pads on the two straps to press against and tighten the fender lower support tube section, which facilitates quick positioning of the fender lower support tube section and improves processing efficiency.

[0014] 2. By placing the welding parts on the rectangular push plate and abutting against the rectangular protrusion, the U-shaped positioning plate, together with the spring and the strip protrusion, clamps and positions the welding parts on the rectangular push plate. The hydraulic cylinder, together with the rectangular push plate, pushes the welding parts horizontally and connects them with the lower support pipe section of the fender. This eliminates the need for manual hand-held connection, reduces labor intensity, and improves processing efficiency. Attached Figure Description

[0015] Figure 1 This is a perspective view of a positioning fixture for the lower support of the left and right fenders of an automobile, as proposed in this utility model.

[0016] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0017] Figure 3 This utility model provides a structural schematic diagram of the lifting block and strap of a positioning fixture for the lower support of the left and right fenders of an automobile.

[0018] Figure 4 for Figure 1 A magnified view of a section at point B in the middle;

[0019] Figure 5 This is a partial structural diagram of the material pushing and docking mechanism of a positioning fixture for the lower bracket of the left and right fenders of an automobile, as proposed in this utility model.

[0020] In the diagram: 1. Base, 2. Fender lower support pipe section, 3. Welding accessories, 4. Support pile, 5. Material carrier, 6. Rectangular through groove, 7. Cylinder, 8. Lifting block, 9. Strap, 10. Hydraulic cylinder, 11. Circular groove, 12. Mounting block, 13. First bolt, 14. Limiting block, 15. Limiting slide groove, 16. Arc-shaped buffer pad, 17. Connecting block, 18. Rectangular push plate, 19. Second bolt, 20. U-shaped positioning plate, 21. Strip protrusion, 22. Spring, 23. Rectangular protrusion. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figure 1-5A positioning fixture for the lower support of the left and right fenders of an automobile includes a base 1, a lower support tube section 2, and welding accessories 3. Support piles 4 are fixedly connected to the lower ends of both sides of the base 1. A material carrier 5 is fixedly connected to the upper end of the base 1. The material carrier 5 has a rectangular through groove 6 that connects the front and rear. A cylinder 7 is fixedly installed on the bottom of the center of the rectangular through groove 6. A lifting block 8 is fixedly connected to the upper end of the piston rod of the cylinder 7. Limit blocks 14 are fixedly connected to the side walls of both ends of the lifting block 8. The rectangular through groove 6 has limiting grooves 15 on both the left and right inner walls. Two limiting blocks 14 are slidably inserted into the two limiting grooves 15 respectively. When the limiting blocks 14 move in the limiting grooves 15, they can effectively provide limiting support for the limiting blocks 14, so that they can rise and fall vertically smoothly. The upper end of the center of the lifting block 8 is provided with a circular groove 11. The upper end of the piston rod of the cylinder 7 is fixedly connected to the mounting block 12. The bottom of the circular groove 11 is provided with a first bolt 13. The lower end of the first bolt 13 is connected to the mounting block 12. The upper end of the mounting block 12 is threaded. The first bolt 13 is used to fix the lifting block 8 to the mounting block 12. Two straps 9 are fixedly connected to the upper end of the lifting block 8. Both straps 9 pass through the top surface of the rectangular through groove 6. The fender lower support pipe section 2 is placed on the upper end of the material carrier 5 and is pressed against the two straps 9. Arc-shaped buffer pads 16 are fixedly connected to the arc-shaped top surface of the two straps 9 outside the rectangular through groove 6. The arc-shaped buffer pads 16 are made of wear-resistant rubber products. The arc-shaped buffer pads 16 and the fender lower support pipe section 2 are fixedly connected to the material carrier 5. The pipe section 2 is pressed together with the support pipe section, and the lower fender support pipe section 2 is placed on the upper end of the material carrier 5 and connected by two binding straps 9. The cylinder 7 in the rectangular through groove 6 is activated to drive the lifting block 8 to move vertically along the rectangular through groove 6 under the limiting action of the limiting block 14 and the limiting slide groove 15. This causes the lifting block 8 to drive the two binding straps 9 to move vertically until the arc-shaped buffer pads 16 on the two binding straps 9 press against the lower fender support pipe section 2. This facilitates quick positioning of the lower fender support pipe section 2 and improves processing efficiency.

[0024] A hydraulic cylinder 10 is fixedly installed on the upper left side of the material carrier 5. A material pushing and docking mechanism is provided on the piston rod of the hydraulic cylinder 10. The material pushing and docking mechanism includes a connecting block 17 fixedly connected to the piston rod of the hydraulic cylinder 10. A rectangular push plate 18 is fixedly connected to the connecting block 17. Second bolts 19 are threaded through one end of the connecting block 17 near each of its four corners. Several second bolts 19 are threadedly connected to the rectangular push plate 18. A U-shaped positioning plate 20 is sleeved on the rectangular push plate 18. Strip-shaped protrusions 21 are provided on the opposite sidewalls of the U-shaped positioning plate 20 near its right end. Two springs 22 are fixedly connected between the U-shaped positioning plate 20 and the rectangular push plate 18. A rectangular protrusion 23 is provided on the right sidewall of the rectangular push plate 18 below the U-shaped positioning plate 20. Welding accessories. The welding accessory 3 is pressed against the rectangular push plate 18, the strip protrusion 21, and the rectangular protrusion 23. The two strip protrusions 21 on the U-shaped positioning plate 20 are pulled until the welding accessory 3 can be placed on the rectangular push plate 18 and pressed against the rectangular protrusion 23. At this time, the spring 22 between the rectangular push plate 18 and the U-shaped positioning plate 20 drives the strip protrusion 21 to press against the welding accessory 3, effectively positioning the welding accessory 3 on the rectangular push plate 18. The rectangular push plate 18 and the rectangular protrusion 23 are integrally formed, and the U-shaped positioning plate 20 and the strip protrusion 21 are integrally formed. The hydraulic cylinder 10 cooperates with the rectangular push plate 18 to push the welding accessory 3 horizontally and connect it with the lower support pipe section 2 of the fender. There is no need for manual hand-held connection, which reduces labor intensity and improves processing efficiency.

[0025] In use, the fender lower support tube section 2 is placed on the upper end of the material carrier 5 and two binding straps 9 are inserted through it. The cylinder 7 in the rectangular through groove 6 is activated, causing the lifting block 8 to move vertically along the rectangular through groove 6 under the limiting action of the limiting block 14 and the limiting slide groove 15. This causes the lifting block 8 to move the two binding straps 9 vertically until the arc-shaped buffer pads 16 on the two binding straps 9 abut and press against the fender lower support tube section 2, facilitating quick positioning of the fender lower support tube section 2 and improving processing efficiency. The two strip-shaped protrusions 21 on the U-shaped positioning plate 20 are pulled until the welding accessory 3 can be placed on the rectangular push plate 18 and abut against the rectangular protrusion 23. At this point, the rectangular... The spring 22 between the rectangular push plate 18 and the U-shaped positioning plate 20 drives the strip protrusion 21 to press against the welding accessory 3, effectively positioning the welding accessory 3 on the rectangular push plate 18. The hydraulic cylinder 10, in conjunction with the rectangular push plate 18, pushes the welding accessory 3 horizontally and connects it with the fender lower support tube section 2. This eliminates the need for manual hand-held connection, reducing labor intensity and improving processing efficiency. After the fender lower support tube section 2 and the welding accessory 3 are welded together with the external welding machine, the cylinder 7 is restarted to drive the two straps 9 to rise and separate from the fender lower support tube section 2. Pulling the fender lower support tube section 2 away from the two straps 9 is then sufficient to separate the welding accessory 3 from the welding accessory 3. The above steps are repeated for subsequent welding operations.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A positioning fixture for the lower support of the left and right fenders of an automobile, comprising a base (1), a lower support tube section (2), and welding fittings (3), wherein the lower ends of the base (1) on both the left and right sides are fixedly connected to support piles (4), characterized in that, The upper end of the base (1) is fixedly connected to a material carrier (5). The material carrier (5) is provided with a rectangular through groove (6) that is connected in front and back. A cylinder (7) is fixedly installed at the bottom of the center position of the rectangular through groove (6). A lifting block (8) is fixedly connected to the upper end of the piston rod of the cylinder (7). Two straps (9) are fixedly connected to the upper end of the lifting block (8). Both straps (9) pass through the top surface of the rectangular through groove (6). The lower support tube section (2) of the fender is placed on the upper end of the material carrier (5) and pressed against the two straps (9). A hydraulic cylinder (10) is fixedly installed on the upper left side of the material carrier (5). A material pushing and docking mechanism is provided on the piston rod of the hydraulic cylinder (10).

2. The positioning fixture for the lower bracket of the left and right fenders of an automobile according to claim 1, characterized in that, The upper end of the center of the lifting block (8) is provided with a circular groove (11), and the upper end of the piston rod of the cylinder (7) is fixedly connected to the mounting block (12). A first bolt (13) is provided through the bottom of the circular groove (11), and the lower end of the first bolt (13) is threadedly connected to the upper end of the mounting block (12).

3. The positioning fixture for the lower bracket of the left and right fenders of an automobile according to claim 1, characterized in that, Limiting blocks (14) are fixedly connected to the left and right side walls of the lifting block (8), and limiting grooves (15) are provided on the left and right inner walls of the rectangular through groove (6). The two limiting blocks (14) are slidably inserted into the two limiting grooves (15).

4. The positioning fixture for the lower bracket of the left and right fenders of an automobile according to claim 1, characterized in that, Both straps (9) are fixedly connected to arc-shaped buffer pads (16) on the arc-shaped top surface outside the rectangular through groove (6). The arc-shaped buffer pads (16) are made of wear-resistant rubber products and are pressed against the lower support pipe section (2) of the fender.

5. The positioning fixture for the lower bracket of the left and right fenders of an automobile according to claim 1, characterized in that, The material pushing and docking mechanism includes a connecting block (17) fixedly connected to the piston rod of the hydraulic cylinder (10). A rectangular push plate (18) is fixedly connected to the connecting block (17). A second bolt (19) is provided through one end of the connecting block (17) near the four corners. Several second bolts (19) are threadedly connected to the rectangular push plate (18). A U-shaped positioning plate (20) is sleeved on the rectangular push plate (18). A strip-shaped protrusion (21) is provided on the opposite side wall of the U-shaped positioning plate (20) near the right end. Two springs (22) are fixedly connected between the U-shaped positioning plate (20) and the rectangular push plate (18). A rectangular protrusion (23) is provided on the right side wall of the rectangular push plate (18) below the U-shaped positioning plate (20). The welding fitting (3) abuts and presses against the rectangular push plate (18), the strip-shaped protrusion (21) and the rectangular protrusion (23).

6. The positioning fixture for the lower bracket of the left and right fenders of an automobile according to claim 5, characterized in that, The rectangular push plate (18) and the rectangular protrusion (23) are integrally formed, and the U-shaped positioning plate (20) and the strip protrusion (21) are integrally formed.

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