CN112815889A

CN112815889A - Base structure of stamping part checking fixture

Info

Publication number: CN112815889A
Application number: CN202110123156.9A
Authority: CN
Inventors: 宋忠朋; 张文慧; 程源海; 李铁
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-05-18

Abstract

The invention provides a stamping part checking fixture base structure which specifically comprises a steel pipe frame, an aluminum plate, a connecting plate and a base plate; the steel pipe frame is of a cuboid structure; the steel pipe frame is formed by welding a plurality of steel pipes; the connecting plates are uniformly distributed on the upper end surface of the steel tube frame, a base plate is arranged on the upper end surface of each connecting plate, and each base plate is at the same horizontal height; the aluminum plate is of a rectangular structure, is fixedly connected to the base plate along the horizontal direction and covers the upper end face of the whole steel pipe frame; the base structure of the stamping part checking fixture provided by the invention has the advantages that the weight of the checking fixture base is lighter, the precision is more stable, the appearance quality is improved, and the detection precision and the stability of the checking fixture can be effectively improved.

Description

Base structure of stamping part checking fixture

Technical Field

The invention belongs to the technical field of stamping part detection tools, and particularly relates to a base structure of a stamping part detection tool.

Background

Most of the detection of the existing stamping parts is realized by a detection tool, and the detection tool has a very wide application range; the base of the checking fixture bears the weight of the base and all the checking fixture detection parts, and is the basis of the checking fixture; therefore, the strength and the rigidity of the base of the checking fixture play an important role in guaranteeing the accuracy of the checking fixture.

Examine a base among the prior art and generally have two kinds: one is formed by welding channel steel and a steel plate or welding a square steel pipe and a steel plate, and the other is formed by adding a support trolley on a cast aluminum base; the first base is heavy, and particularly, a large-scale checking fixture has certain requirements on a three-coordinate platform during three-coordinate measurement, and a steel plate on the upper surface of the base can rust after being used for a period of time, so that the appearance of the checking fixture is influenced; the appearance defects such as sand holes are easily generated in base cast aluminum, and in the using process, if uneven ground exists, deformation generated by cast aluminum is large, and the precision of the checking fixture is influenced.

Based on the technical problems existing in the base of the gauge, no related solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The invention aims to provide a base structure of a stamping part checking fixture aiming at overcoming the defects in the prior art, and aims to solve one of the problems that the existing checking fixture base is large in weight, easy to rust and large in deformation quantity, and the precision of the checking fixture is influenced.

The invention provides a stamping part checking fixture base structure which comprises a steel pipe frame, an aluminum plate, a connecting plate and a base plate, wherein the steel pipe frame is provided with a steel pipe base; the steel pipe frame is of a cuboid structure; the steel pipe frame is formed by welding a plurality of steel pipes; the connecting plates are uniformly distributed on the upper end surface of the steel tube frame, a base plate is arranged on the upper end surface of each connecting plate, and each base plate is at the same horizontal height; the aluminum plate is of a rectangular structure and is fixedly connected to the base plate in the horizontal direction and covers the upper end face of the whole steel tube frame.

Furthermore, the flatness of the upper surface of the backing plate is within 0.05mm per meter, and then the aluminum plate is installed on the backing plate.

Further, the thickness of the aluminum plate is 25mm or 30 mm.

Further, the base structure is used for placing the checking fixture; when the length of the gauge is less than or equal to 2m, the thickness of the aluminum plate is 25 mm; when the length of the gauge is larger than 2m, the thickness of the aluminum plate is 30 mm.

Further, the connecting plate is welded and fixed on the steel pipe frame, and surface finishing is performed after the welding stress is released.

Furthermore, the connecting plate and the backing plate are of square structures respectively; the area of the base plate is smaller than that of the connecting plate; the center position of the base plate is connected with the center position of the connecting plate through a bolt; the diagonal positions of the cushion plates are connected with the diagonal positions of the connecting plates through pins.

Further, the aluminum plate, the connecting plate and the base plate are connected through screws and pins; the base plate is provided with a through hole, and the connecting plate is provided with a threaded hole; the bolt passes through the through hole of the base plate downwards along the upper end face of the aluminum plate and is fixed in the threaded hole of the connecting plate.

Further, the cross section of the steel pipe is 50mm x 50 mm; the steel pipes comprise X-direction steel pipes, Y-direction steel pipes and Z-direction steel pipes; the X-direction steel pipe, the Y-direction steel pipe and the Z-direction steel pipe are welded with each other to form a steel pipe frame.

Furthermore, foot plates are respectively arranged at the periphery and the middle position of the bottom of the steel tube frame, and the bottom surfaces of the foot plates are at the same horizontal height, so that the precision of the checking fixture on the base structure during measurement on the three-coordinate platform is ensured.

Further, the base structure is used for installing an automobile stamping detection tool, and the automobile stamping detection tool is used for detecting stamping parts of automobiles.

The invention provides a base structure of a stamping part checking fixture, which enables the weight of the checking fixture base to be lighter, the precision to be more stable, the appearance quality to be improved, and the detection precision and the stability of the checking fixture to be effectively improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The invention will be further explained with reference to the drawings, in which:

FIG. 1 is a perspective view of a stamping tool base structure of the present invention;

FIG. 2 is a schematic view of FIG. 1 taken at section A of the present invention;

FIG. 3 is a schematic view of the steel tube frame structure of the present invention;

FIG. 4 is a schematic view of the connection between the connecting plate and the backing plate according to the present invention;

FIG. 5 is an exploded view of a stamping tool base structure according to the present invention.

In the figure: 1. a steel pipe frame; 11. a foot plate; 12. a steel pipe; 2. an aluminum plate; 3. a connecting plate; 4. a base plate; 5. a bolt; 6. a pin.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the invention provides a stamping part detection tool base structure, which comprises a steel tube frame 1, an aluminum plate 2, a connecting plate 3 and a base plate 4; the steel pipe frame 1 is of a cuboid structure; the steel pipe frame 1 is formed by welding a plurality of steel pipes, and the height of the steel pipe frame 1 can be determined according to actual measurement requirements; the connecting plates 3 are uniformly distributed on the upper end face of the steel tube frame 1, a backing plate 4 is arranged on the upper end face of each connecting plate 3, and each backing plate 4 is at the same horizontal height; the aluminum plate 2 is of a rectangular structure, and the aluminum plate 2 is fixedly connected to the backing plate 4 along the horizontal direction and covers the upper end face of the whole steel tube frame 1; by adopting the scheme, the aluminum plate 2 is used as the supporting surface of the checking fixture, so that the weight is reduced, the stability is ensured, and the appearance quality of the checking fixture is improved.

Preferably, in combination with the above, as shown in fig. 1 to 5, the flatness of the upper surface of the backing plate 4 is within 0.05mm per meter, and the aluminum plate 2 is mounted on the backing plate 4.

Preferably, in combination with the above, as shown in fig. 1 to 5, the aluminum plate 2 has a thickness of 25mm or 30 mm; specifically, the base structure is used for placing the checking fixture; when the length of the gauge is less than or equal to 2m, the thickness of the aluminum plate 2 is 25 mm; when the length of the gauge is larger than 2m, the thickness of the aluminum plate 2 is 30 mm; by adopting the thickness design, the thickness not only reduces the weight of the base, but also ensures the strength of the aluminum plate 2.

Preferably, in combination with the above scheme, as shown in fig. 1 to 5, the connecting plate 3 is welded and fixed on the steel pipe frame 1, and surface finishing is performed after the welding stress release is completed; specifically, the connecting plate 3 and the steel pipe frame 1 are welded together, and the upper surface position of the connecting plate is processed after welding; backing plate 4 passes through the bolt to be connected with connecting

plate

3, and 2 bases of aluminum plate pass through backing plate 4 and connect together with connecting plate 3 to constitute holistic base.

Preferably, in combination with the above solutions, as shown in fig. 1 to 5, the connecting plate 3 and the backing plate 4 are respectively of a square structure; the area of the backing plate 4 is smaller than that of the connecting plate 3; the central position of the backing plate 4 is connected with the central position of the connecting plate 3 through a bolt 5; the diagonal positions of the backing plates 4 are connected to the diagonal positions of the connecting plates 3 by pins 6.

Preferably, in combination with the above solution, as shown in fig. 1 to 5, the aluminum plate 2, the connecting plate 3 and the backing plate 4 are connected by screws and pins; the base plate 4 is provided with a through hole, and the connecting plate 3 is provided with a threaded hole; the bolt passes through the via hole of backing plate 4 down along the up end of aluminum plate 2 to fix in the screwed hole of connecting plate 3, backing plate 4 only need guarantee the plane degree of upper surface like this at the in-process of installation, need not consider the position in middle hole.

Preferably, in combination with the above, as shown in fig. 1 to 5, the cross section of the steel pipe is 50mm by 50 mm; the steel pipes comprise X-direction steel pipes, Y-direction steel pipes and Z-direction steel pipes; the X-direction steel pipe, the Y-direction steel pipe and the Z-direction steel pipe are welded with each other to form a steel pipe frame 1; specifically, the X-direction steel pipe, the Y-direction steel pipe and the Z-direction steel pipe can be understood as three directions of a space rectangular coordinate system, and the stability and the firmness of the frame can be effectively guaranteed by connecting the X-direction steel pipe, the Y-direction steel pipe and the Z-direction steel pipe.

Preferably, in combination with the above scheme, as shown in fig. 1 to 5, foot plates 11 are respectively arranged at the periphery and the middle position of the bottom of the steel tube frame 1, and the bottom surfaces of the foot plates 11 are at the same horizontal height, so that the precision and the stability of the detection tool on the base structure during measurement on a three-coordinate platform are ensured; specifically, the foot plate 11 is a steel plate.

Preferably, with the adoption of the scheme, as shown in fig. 1 to 5, the base knot of the stamping part detection tool provided by the invention is mainly used for mounting the automobile stamping detection tool, and the automobile stamping detection tool is used for detecting the stamping part of an automobile, so that the detection precision and stability of the automobile stamping part can be effectively improved, and the appearance quality is improved.

The base structure of the stamping part checking fixture provided by the invention has the advantages that the weight of the checking fixture base is lighter, the precision is more stable, the appearance quality is improved, and the detection precision and the stability of the checking fixture can be effectively improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A stamping part checking fixture base structure is characterized by comprising a steel pipe frame (1), an aluminum plate (2), a connecting plate (3) and a base plate (4); the steel pipe frame (1) is of a cuboid structure; the steel tube frame (1) is formed by welding a plurality of steel tubes; the connecting plates (3) are uniformly distributed on the upper end face of the steel tube frame (1), the backing plate (4) is arranged on the upper end face of each connecting plate (3), and each backing plate (4) is at the same horizontal height; aluminum plate (2) are rectangle structure, aluminum plate (2) along horizontal direction fixed connection in on backing plate (4), and cover wholly the up end of steel pipe frame (1).

2. A stamping tool base structure according to claim 1, characterized in that the flatness of the upper surface of the backing plate (4) is within 0.05mm per meter, and the aluminum plate (2) is mounted on the backing plate (4).

3. A stamping fixture base structure according to claim 1, characterized in that the thickness of the aluminium plate (2) is 25mm or 30 mm.

4. A stamping fixture base structure according to claim 3, wherein the base structure is adapted to receive a fixture; when the length of the gauge is less than or equal to 2m, the thickness of the aluminum plate (2) is 25 mm; when the length of the gauge is larger than 2m, the thickness of the aluminum plate (2) is 30 mm.

5. The stamping fixture base structure according to claim 1, wherein the connecting plate (3) is welded and fixed to the steel tube frame (1) and surface finishing is performed after the weld stress relief is completed.

6. A stamping fixture base structure according to claim 5, characterized in that the connecting plate (3) and the backing plate (4) are of square structures respectively; the area of the backing plate (4) is smaller than that of the connecting plate (3); the central position of the backing plate (4) is connected with the central position of the connecting plate (3) through a bolt (5); the diagonal position of the cushion plate (4) is connected with the diagonal position of the connecting plate (3) through a pin (6).

7. The stamping fixture base structure according to claim 1, wherein the aluminum plate (2), the connecting plate (3) and the base plate (4) are connected by screws and pins; the base plate (4) is provided with a through hole, and the connecting plate (3) is provided with a threaded hole; the bolt penetrates through the through hole of the base plate (4) downwards along the upper end face of the aluminum plate (2) and is fixed in the threaded hole of the connecting plate (3).

8. The stamping tool base structure according to claim 1, wherein the cross section of the steel tube is 50mm by 50 mm; the steel pipes comprise X-direction steel pipes, Y-direction steel pipes and Z-direction steel pipes; the X-direction steel pipe, the Y-direction steel pipe and the Z-direction steel pipe are welded with each other to form the steel pipe frame (1).

9. The stamping fixture base structure according to claim 1, wherein foot plates (11) are respectively arranged at the periphery and the middle position of the bottom of the steel tube frame (1), and the bottom surfaces of the foot plates (11) are at the same horizontal height, so that the precision of the fixture on the base structure during measurement on a three-coordinate platform is ensured.

10. The stamping fixture base structure according to any one of claims 1 to 9, wherein the base structure is used for mounting an automobile stamping fixture for detecting a stamping part of an automobile.