Detection tool for automobile seat cross beam welding assembly

Abstract

The utility model discloses a testing fixture for an automobile seat cross beam welding assembly, which comprises a bottom plate, and a main positioning pin, an auxiliary positioning pin, four pressing clamps, six horizontal turnover mechanisms and six vertical turnover mechanisms which are arranged on the bottom plate, the top surface of the product supporting block is provided with four positioning surfaces; in the six horizontal turnover mechanisms, three horizontal turnover mechanisms are sequentially distributed in the middle of the front side of the product supporting block from left to right, and the other two horizontal turnover mechanisms are distributed at the left end and the right end of the rear side of the product supporting block; and the rest horizontal turnover mechanism is distributed in the middle of the rear side of the product supporting block. The testing fixture for the automobile seat cross beam welding assembly is simple in operation and low in price, and whether the hole position and the surface profile tolerance of the positioning through hole of the automobile seat cross beam welding assembly are qualified or not can be rapidly judged at the same time. The measurement efficiency is improved, and the measurement cost is reduced.

Description

Technical Field

[0001] The utility model relates to a fixture for a welding assembly of an automobile seat crossbeam. Background Art

[0002] In the development of the welding assembly of the seat crossbeam, after the product is manufactured, what kind of detection means to use for quality control is a key consideration. Currently, the most commonly used tool for detecting parts is a coordinate measuring machine. This detection tool has high precision and high intelligence, making it widely used. However, this tool takes a long time to detect parts and has low measurement efficiency, making it difficult to meet the requirements of mass production. The operators of the coordinate measuring machine need to invest a lot of energy and time to complete the work quickly and accurately, which undoubtedly increases the additional intangible cost for the enterprise. Such a detection instrument is very unsuitable for those parts that are mass-produced and require rapid and multi-faceted detection. And general measuring tools are difficult to reflect the true state of the product, often resulting in misjudgment and other situations, and cannot meet the production requirements on site. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a fixture for a welding assembly of an automobile seat crossbeam, which is simple to operate, inexpensive, and can quickly determine whether the positioning through-hole positions and surface profile tolerances of the welding assembly of the automobile seat crossbeam are qualified at the same time. The measurement efficiency is improved and the measurement cost is reduced.

[0004] The technical solution for realizing the above purpose is: a fixture for a welding assembly of an automobile seat crossbeam, including a bottom plate and a main positioning pin, a secondary positioning pin, four clamping pliers, six horizontal flipping mechanisms and six vertical flipping mechanisms arranged on the bottom plate, wherein:

[0005] A product support block is transversely arranged in the middle of the bottom plate. The product support block is formed by connecting several first detection blocks, and the top surface of the product support block has four positioning surfaces;

[0006] A measurement reference block is arranged at each of the four corners of the bottom plate;

[0007] Among the four clamping pliers, two clamping pliers are distributed on the front side of the product support block, one on the left and one on the right, and the other two clamping pliers are distributed on the rear side of the product support block, one on the left and one on the right;

[0008] Among the six horizontal flipping mechanisms, three horizontal flipping mechanisms are distributed in the middle of the front side of the product support block in sequence from left to right, and the other two horizontal flipping mechanisms are distributed at the left and right ends of the rear side of the product support block; the remaining one horizontal flipping mechanism is distributed in the middle of the rear side of the product support block; a second detection block is arranged on each horizontal flipping mechanism; and a movable spring detection pin is arranged on each second detection block;

[0009] Among the six vertical flipping mechanisms, four of the vertical flipping mechanisms are sequentially distributed on the front side of the product support block from left to right, and the other two vertical flipping mechanisms are distributed on the left and right sides of the rear side of the product support block respectively;

[0010] The main positioning pin is arranged on the rightmost vertical flipping mechanism on the front side of the product support block through a guide block; the secondary positioning pin is arranged on the leftmost vertical flipping mechanism on the front side of the product support block through a guide block; a detection block three is arranged on each of the remaining vertical flipping mechanisms;

[0011] Four movable detection pins are arranged on the product support block, two of the movable detection pins are respectively located at the left and right ends of the product support block, and the other two movable detection pins are arranged adjacent to the two pressing clamps on the rear side of the product support block in a one-to-one correspondence.

[0012] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, each pressing clamp is arranged on the base plate through a clamp support.

[0013] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, the detection block one is arranged on the base plate through a detection block support.

[0014] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, each horizontal flipping mechanism is arranged on the base plate through a horizontal flipping mechanism support.

[0015] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, a pin seat is arranged on the base plate.

[0016] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, lifting lugs are arranged around the base plate.

[0017] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, a nameplate and a go-no-go gauge are arranged on the base plate.

[0018] For the above-mentioned fixture for the welded assembly of an automotive seat crossbeam, the shape of the product support block is adapted to the shape of the welded assembly of the automotive seat crossbeam.

[0019] The fixture for the welded assembly of the automotive seat crossbeam of the present utility model is simple to operate and inexpensive, and can quickly determine whether the positioning through-hole positions and the surface profile of the welded assembly of the automotive seat crossbeam are qualified at the same time. The measurement efficiency is improved and the measurement cost is reduced. Description of the Drawings

[0020] Figure 1Schematic structural diagram of the fixture for the welded assembly of the automotive seat crossbeam of the present utility model;

[0021] Figure 2 Usage state diagram of the fixture for the welded assembly of the automotive seat crossbeam of the present utility model;

[0022] Figure 3 Top view of the fixture for the welded assembly of the automotive seat crossbeam of the present utility model;

[0023] Figure 4 Front view of the fixture for the welded assembly of the automotive seat crossbeam of the present utility model;

[0024] Figure 5 Side view of the fixture for the welded assembly of the automotive seat crossbeam of the present utility model. Detailed implementation manners

[0025] In order to enable those skilled in the art of the present technology to better understand the technical solution of the present utility model, the following will describe its detailed implementation manners in detail with reference to the accompanying drawings:

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the best embodiment of the present utility model, a fixture for the welded assembly of an automotive seat crossbeam, includes a bottom plate 1 and a main positioning pin 4, a secondary positioning pin 5, four clamping pliers 6, six horizontal flipping mechanisms 13 and six vertical flipping mechanisms 12 provided on the bottom plate 1.

[0027] A product support block is horizontally arranged in the middle of the bottom plate 1. The product support block is connected by a number of first detection blocks 8. The top surface of the product support block has four positioning surfaces 3; the positioning surfaces 3 are used for surface positioning of the welded assembly of the automotive seat crossbeam. The first detection blocks 8 are arranged on the bottom plate 1 through detection block supports 14. The shape of the product support block is adapted to the shape of the welded assembly of the automotive seat crossbeam.

[0028] A measurement reference block 2 is respectively arranged at the four corners of the bottom plate 1. The measurement reference block 2 is used as a reference for establishing coordinates by a coordinate measuring machine.

[0029] Among the four clamping pliers 6, two of the clamping pliers 6 are distributed on the front side of the product support block, one on the left and one on the right, and the other two clamping pliers 6 are distributed on the rear side of the product support block, one on the left and one on the right. Each clamping plier 6 is arranged on the bottom plate 1 through a plier support 7.

[0030] Among the six horizontal flipping mechanisms 13, three of the horizontal flipping mechanisms 13 are distributed in the middle of the front side of the product support block from left to right in sequence, and the other two horizontal flipping mechanisms 13 are distributed at the left and right ends of the rear side of the product support block; the remaining one horizontal flipping mechanism 12 is distributed in the middle of the rear side of the product support block; a second detection block 9 is provided on each horizontal flipping mechanism 13; a movable spring detection pin 17 is provided on each second detection block 9. Each horizontal flipping mechanism 13 is arranged on the bottom plate 1 through a horizontal flipping mechanism support 15.

[0031] Among the six vertical flipping mechanisms 12, four of the vertical flipping mechanisms 12 are distributed in the front side of the product support block from left to right in sequence, and the other two vertical flipping mechanisms 12 are distributed on the left and right sides of the rear side of the product support block.

[0032] The main positioning pin 4 is arranged on the rightmost vertical flipping mechanism 12 on the front side of the product support block through the guide block 11; the secondary positioning pin 5 is arranged on the leftmost vertical flipping mechanism 12 on the front side of the product support block through the guide block; a third detection block 10 is provided on each of the remaining vertical flipping mechanisms 12. The main positioning pin 4 is used for passing through the main positioning hole of the product, and the secondary positioning pin 5 is used for passing through the secondary positioning hole of the product.

[0033] Four movable detection pins 16 are provided on the product support block, two of the movable detection pins 16 are respectively located at the left and right ends of the product support block, and the other two movable detection pins 16 are correspondingly adjacent to the two pressing clamps 6 on the rear side of the product support block.

[0034] A pin seat 18 is provided on the bottom plate 1, and the pin seat 18 is used for installing the movable detection pin 16.

[0035] Lifting lugs 22 are provided around the bottom plate 1 to facilitate hoisting the entire fixture.

[0036] A nameplate 21, a go-no-go gauge 19 and a go-no-go gauge 20 are provided on the bottom plate 1. The specification of the go-no-go gauge 19 is The specification of the go-no-go gauge 20 is The nameplate 21 is used for identifying the basic information of the fixture.

[0037] For the fixture of the welded assembly of the automotive seat crossbeam of the present utility model, the detection process is as follows:

[0038] 1) Open all the pressing clamps 6, the vertical flipping mechanisms 12 and the horizontal flipping mechanisms 13, and pull out all the positioning pins (including the main positioning pin 4 and the secondary positioning pin 5) and the movable detection pins 16, so that the whole fixture is in a non-working state;

[0039] 2) Place the part 23 on the product support block of the fixture, and the surface of the part should be cleaned, free of oil and obvious burrs;

[0040] 3) Position correctly, attach part 23 to the four positioning surfaces 3, insert the main positioning pin 4 and the secondary positioning pin 5, and close all clamping pliers 6. Confirm that part 23 will not move.

[0041] 4) Close the vertical turning mechanism 12 and the horizontal turning mechanism 13 and lock them. Use the movable detection pin 16 and the movable spring detection pin 17 to detect all the holes that need to be detected.

[0042] 5) Use the go-no-go gauge 19 and the go-no-go gauge 20 respectively to detect the corresponding profile of the surface of part 23.

[0043] 6) After the detection is completed, open the clamping pliers 6, the vertical turning mechanism 12 and the horizontal turning mechanism 13 at various places, pull out each positioning pin and detection pin, take out part 23, and then restore each mechanism of the inspection fixture to its original position.

[0044] For the inspection fixture of the welded assembly of the automotive seat crossbeam of the present utility model, during loading, the four positioning surfaces 3 and the two reference pins (main positioning pin 4, secondary positioning pin 5) of the inspection fixture are used as the positioning reference for the welded assembly product of the automotive seat crossbeam. After part 23 is placed on the inspection fixture reference, part 23 is clamped by the clamping pliers 6. After positioning, the outer contour and hole positions of part 23 are detected. When the go end of the go-no-go gauge can be inserted and the no-go end cannot be inserted and all the detection pins can completely enter the holes, the part is judged to be qualified; otherwise, it is unqualified. The unqualified situations of the positioning through-hole positions and the matching surface profile of the welded assembly of the automotive seat crossbeam can be detected in time.

[0045] In summary, the inspection fixture of the welded assembly of the automotive seat crossbeam of the present utility model is simple to operate and inexpensive, and can quickly determine whether the positioning through-hole positions and the surface profile of the welded assembly of the automotive seat crossbeam are qualified at the same time. It improves the measurement efficiency and reduces the measurement cost.

[0046] Those of ordinary skill in the art in this technical field should recognize that the above embodiments are only used to illustrate the present utility model and are not used to limit the present utility model. As long as it is within the scope of the essential spirit of the present utility model, the changes and modifications of the above embodiments will fall within the scope of the claims of the present utility model.

Claims

1. A fixture for inspecting a welded assembly of an automotive seat crossbeam, characterized in that, It includes a bottom plate, a main positioning pin, a secondary positioning pin, four clamping pliers, six horizontal flipping mechanisms and six vertical flipping mechanisms arranged on the bottom plate, where: In the middle of the bottom plate, a product support block is horizontally arranged. The product support block is connected by several first detection blocks, and the top surface of the product support block has four positioning surfaces; A measurement reference block is arranged at each of the four corners of the bottom plate; Among the four clamping pliers, two clamping pliers are distributed left and right on the front side of the product support block, and the other two clamping pliers are distributed left and right on the rear side of the product support block; Among the six horizontal flipping mechanisms, three horizontal flipping mechanisms are distributed in the middle of the front side of the product support block from left to right, and the other two horizontal flipping mechanisms are distributed at the left and right ends of the rear side of the product support block; the remaining one horizontal flipping mechanism is distributed in the middle of the rear side of the product support block; a second detection block is arranged on each horizontal flipping mechanism; a movable spring detection pin is arranged on each second detection block; Among the six vertical flipping mechanisms, four vertical flipping mechanisms are distributed in the front side of the product support block from left to right, and the other two vertical flipping mechanisms are distributed left and right on the rear side of the product support block; The main positioning pin is arranged on the rightmost vertical flipping mechanism on the front side of the product support block through a guide block; the secondary positioning pin is arranged on the leftmost vertical flipping mechanism on the front side of the product support block through a guide block; a third detection block is arranged on each of the remaining vertical flipping mechanisms; Four movable detection pins are arranged on the product support block. Two of the movable detection pins are respectively located at the left and right ends of the product support block, and the other two movable detection pins are arranged adjacent to the two clamping pliers on the rear side of the product support block in a one-to-one correspondence; 2. The inspection tool for the welding assembly of an automotive seat crossbeam according to claim 1, characterized in that, Each clamping plier is arranged on the bottom plate through a plier support; 3. The fixture for inspecting an automotive seat crossbeam welding assembly according to claim 1, characterized in that, The first detection block is arranged on the bottom plate through a detection block support; 4. The fixture for inspecting an automobile seat crossbeam welding assembly according to claim 1, characterized in that, Each horizontal flipping mechanism is arranged on the bottom plate through a horizontal flipping mechanism support; 5. The fixture for inspecting the welding assembly of an automotive seat crossbeam according to claim 1, wherein, A pin seat is arranged on the bottom plate; 6. The fixture for inspecting an automotive seat crossbeam welding assembly according to claim 1, characterized in that, Lifting lugs are arranged around the bottom plate; 7. A fixture for inspecting an automotive seat crossbeam welding assembly according to claim 1, characterized in that, A nameplate and a go-no-go gauge are arranged on the bottom plate; 8. The fixture for inspecting the welding assembly of an automotive seat crossbeam according to claim 1, characterized in that, The shape of the product support block is adapted to the shape of the welded assembly of the automotive seat crossbeam.

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