Automobile sheet metal part testing fixture

Abstract

The utility model discloses an automobile sheet metal part testing fixture, which belongs to the technical field of automobile sheet metal part testing fixtures, and comprises a base, a fixed block and a movable block, a plurality of support rods are arranged on the base, and the tops of the support rods are used for placing automobile sheet metal parts; the fixing blocks are fixedly arranged above the base, first connecting rods are hinged to the fixing blocks, and first piston rods are hinged to the bottoms of the first connecting rods; the movable blocks are movably arranged above the base, and driving blocks are hinged to the sides, close to the fixed blocks, of the movable blocks. When the connecting rod is pressed downwards, the driving block pushes the fixing block so that the sheet metal part above the supporting rod can be pushed inwards and then fixed in the middle, the four corners of the sheet metal part are extruded and fixed through uniform thrust, and it can be guaranteed that the sheet metal part is subjected to uniform pressure on the supporting rod; and meanwhile, displacement caused by the gravity factor and the arrangement condition of the curved surface of the sheet metal part is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sheet metal parts inspection tools, in particular to an automobile sheet metal parts inspection tool. Background Art

[0002] Automotive sheet metal parts are an essential component of automotive manufacturing. They are typically made from thin metal sheets (such as steel and aluminum) through processes such as stamping, bending, and welding. Automotive sheet metal inspection fixtures are specialized inspection equipment used to measure and evaluate the size, shape, and quality of automotive sheet metal parts. They play a vital role in the automotive manufacturing and repair process, ensuring that the precision and quality of sheet metal parts meet design requirements.

[0003] When inspecting a sheet metal part, it needs to be placed on a support assembly. The fixing rod on one side of the support assembly is then flipped over to secure the sheet metal. Since sheet metal parts are made from thin metal sheets processed through stamping, bending, welding, and other processes, they are protected from gravity while on the support assembly. This causes the curved surface of the sheet metal part to shift slightly on the support assembly. When the sheet metal part is flipped and fixed for inspection, the displacement of the sheet metal part on the support assembly can cause its actual position to deviate from the expected position, affecting the measurement accuracy of the inspection equipment. This displacement can also cause slight changes in the shape of the sheet metal part's curved surface, making the inspection results unable to truly reflect the actual condition of the sheet metal part. Utility Model Content

[0004] The purpose of the present utility model is to provide a checking fixture for automobile sheet metal parts, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An automobile sheet metal inspection tool comprises: a base, a plurality of supporting rods are provided on the base, and the tops of the supporting rods are used to place automobile sheet metal parts;

[0007] A fixed block, the fixed block is fixedly arranged above the base, a connecting rod 1 is hinged on the fixed block, and a piston rod 1 is hinged on the bottom of the connecting rod 1;

[0008] The movable block is movably arranged above the base, and a driving block is hingedly arranged on one side of the movable block close to the fixed block.

[0009] Preferably, a second connecting rod is hinged above the movable block, and a fitting block is provided on the side of the first connecting rod and the second connecting rod away from the hinge.

[0010] Preferably, a rotating shaft is fixedly connected above the base, and an outer surface of the rotating shaft is rotatably connected to the driving block.

[0011] Preferably, grooves are symmetrically provided on the top of the base, and the movable block slides in the grooves via a protrusion provided on the bottom.

[0012] Preferably, a piston cylinder is fixedly connected to the base, and a piston plate is provided on the inner wall of the piston cylinder.

[0013] Preferably, two piston plates are provided, and the two piston plates are adapted to the diameter of the inner wall of the piston cylinder.

[0014] Preferably, a fixed amount of gas is filled between the piston plates. Preferably, one of the piston plates is fixedly connected to the piston rod.

[0015] Preferably, the other piston plate is fixedly connected to the second piston rod.

[0016] Preferably, the side of the second piston rod away from the piston plate is hinged to the driving block.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] By driving the fixed block when the connecting rod is pressed down, the sheet metal above the support rod is pushed inward and fixed in the center, and the four corners of the sheet metal are squeezed and fixed with uniform thrust, which can ensure that the sheet metal is subjected to uniform pressure on the support rod and avoid the problem of uneven force and displacement that may be caused by single-point or local fixation.

[0019] Because the sheet metal parts are firmly fixed to the support rods, they are not easily displaced by gravity or external forces during inspection or processing, thus ensuring the stability and accuracy of the operation. At the same time, the displacement of the sheet metal parts caused by gravity and curved surface settings is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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 embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the base top mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the partial cross-section structure of the piston cylinder of the present utility model.

[0024] Explanation of the figure numbers: 1. Base; 2. Support rod; 3. Fixed block; 4. Connecting rod 1; 401, Connecting rod 2; 5. Fitting block; 6. Groove; 7. Movable block; 8. Piston cylinder; 9. Piston rod 1; 901, Piston rod 2; 10. Piston plate; 11. Rotating shaft; 12. Driving block. DETAILED DESCRIPTION

[0025] The present invention is described in further detail below with reference to the accompanying drawings. The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0026] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate directions or positions are based on the directions or positional relationships shown in the accompanying drawings, and are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limiting the present invention. It should be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "one" should not be understood as limiting the quantity. Example

[0027] See also Figure 1-Figure 3 A vehicle sheet metal inspection fixture comprises: a base 1, a fixed block 3 and a movable block 7. The base 1 is provided with several supporting rods 2, and the top of the supporting rod 2 is used to place the vehicle sheet metal; the fixed block 3 is fixedly arranged above the base 1, and a connecting rod 4 is hinged on the fixed block 3, and a piston rod 9 is hinged at the bottom of the connecting rod 4; the movable block 7 is movably arranged above the base 1, and a driving block 12 is hingedly provided on the side of the movable block 7 close to the fixed block 3. When the connecting rod 4 is pressed down, the driving block 12 pushes the fixed block 3, thereby causing the sheet metal above the supporting rod 2 to be pushed inward and fixed in the center.

[0028] It should be noted that, based on the curvature of the sheet metal part, the fixed block 3 and the movable block 7 are adjusted accordingly, applying a uniform force to the four corners of the sheet metal part to squeeze and secure it. This ensures that the sheet metal part is subjected to uniform pressure on the support rod 2, avoiding the problems of uneven force and displacement that may result from single-point or localized fixation. Because the sheet metal part is firmly fixed to the support rod 2, it is not easily displaced by gravity or external forces during testing or processing, thereby ensuring the stability and accuracy of the operation.

[0029] Among them, a connecting rod 2 401 is hinged above the movable block 7, and a bonding block 5 is provided on the side of the connecting rod 1 4 and the connecting rod 2 401 away from the hinge. A buffer gasket is provided on the bonding block 5 to prevent damage to the outer surface of the sheet metal when it is squeezed, and the bonding block 5 fits and fixes the sheet metal around to avoid displacement during the detection process.

[0030] Furthermore, a rotating shaft 11 is fixedly connected to the top of the base 1, and the outer surface of the rotating shaft 11 is rotatably connected to the driving block 12. A groove 6 is symmetrically opened on the top of the base 1, and the movable block 7 slides in the groove 6 via a protrusion provided at the bottom. When the driving block 12 on the outer surface of the rotating shaft 11 rotates, it drives the movable block 7 to slide in the groove 6. When the sheet metal part needs to be fixed, the movable block 7 slides toward the side close to the fixed block 3. When the inspection is completed, the driving block 12 pushes the movable block 7 away from the fixed block 3 to facilitate the removal of the sheet metal part from the support rod 2.

[0031] Among them, a piston cylinder 8 is fixedly connected to the base 1, and a piston plate 10 is provided on the inner wall of the piston cylinder 8. There are two piston plates 10, and the two piston plates 10 are adapted to the diameter of the inner wall of the piston cylinder 8. A certain amount of gas is filled between the piston plates 10. By keeping the gas in the piston cylinder 8 constant, when the piston plate 10 on one side is displaced, the other piston plate 10 can be displaced synchronously. Furthermore, one of the piston plates 10 is fixedly connected to the piston rod 1 9. The other piston plate 10 is fixedly connected to the piston rod 2 901. The side of the piston rod 2 901 away from the piston plate 10 is hinged to the drive block 12. When the connecting rod 1 4 is flipped and pressed down, the piston rod 1 9 hinged to it pushes the piston plate 10 downward, thereby causing the piston rod 2 901 to move to the side away from the fixed block 3, prompting the connecting rod 1 4 and the connecting rod 2 401 to fix the sheet metal diagonally, thereby preventing the sheet metal from being displaced on the support rod 2 due to gravity or the setting of the curved surface.

[0032] Through the above embodiments, the working principle of the utility model is as follows: when in use, the sheet metal is placed on top of the support rod 2 according to the distribution of the support rod 2, and then the connecting rod 1 4 above the fixed block 3 is rotated around. At this time, the connecting rod 1 4 flips and presses down, prompting the piston rod 1 9 hinged to it to push the piston plate 10 down. Since the gas between the piston plates 10 is constant, the piston rod 2 901 moves away from the fixed block 3. The piston rod 2 901 squeezes the driving block 12, driving the driving block 12 to rotate on the rotating shaft 11. At this time, the driving block 12 drives the movable block 7 to move in the groove 6 and slide toward the side close to the fixed block 3, so that the sheet metal is fixed on all sides. The stable fixing method enables the detection equipment to more accurately measure the size, shape and other parameters of the sheet metal, avoiding measurement errors caused by displacement. In addition, during multiple inspections or processing, due to the consistency of the fixing method, the position and state of the sheet metal can be ensured to be relatively stable, thereby improving the repeatability and consistency of the detection results. Since the sheet metal part is firmly fixed in the center on the support rod 2, it is not easy to be displaced by gravity or external force during the detection or processing process, thereby ensuring the stability and accuracy of the operation.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0034] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are intended only as examples and do not limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. An automobile sheet metal inspection tool, characterized in that: include: A base (1), wherein a plurality of support rods (2) are provided on the base (1), and the tops of the support rods (2) are used for placing automobile sheet metal parts; A fixed block (3), the fixed block (3) is fixedly arranged above the base (1), a connecting rod (4) is hingedly connected to the fixed block (3), and a piston rod (9) is hingedly connected to the bottom of the connecting rod (4); A movable block (7) is movably arranged above the base (1), and a driving block (12) is hingedly arranged on one side of the movable block (7) close to the fixed block (3).

2. The automobile sheet metal inspection tool according to claim 1, characterized in that: A second connecting rod (401) is hinged above the movable block (7), and a fitting block (5) is provided on one side of the connecting rod (4) and the second connecting rod (401) away from the hinge.

3. The automobile sheet metal inspection tool according to claim 1, characterized in that: A rotating shaft (11) is fixedly connected to the top of the base (1), and the outer surface of the rotating shaft (11) is rotatably connected to the driving block (12).

4. The automobile sheet metal inspection tool according to claim 3, characterized in that: A groove (6) is symmetrically provided above the base (1), and the movable block (7) slides in the groove (6) via a protrusion provided at the bottom.

5. The automobile sheet metal inspection tool according to claim 4, characterized in that: A piston cylinder (8) is fixedly connected to the base (1), and a piston sheet (10) is provided on the inner wall of the piston cylinder (8).

6. The automobile sheet metal inspection tool according to claim 5, characterized in that: Two piston plates (10) are provided, and the two piston plates (10) are adapted to the inner wall diameter of the piston cylinder (8).

7. The automobile sheet metal inspection tool according to claim 6, characterized in that: A fixed amount of gas is filled between the piston plates (10).

8. The automobile sheet metal inspection tool according to claim 7, characterized in that: One of the piston plates (10) is fixedly connected to piston rod one (9).

9. The automobile sheet metal inspection tool according to claim 8, characterized in that: The other piston plate (10) is fixedly connected to the second piston rod (901).

10. The automobile sheet metal inspection tool according to claim 9, characterized in that: The side of the second piston rod (901) away from the piston plate (10) is hinged to the driving block (12).

Images