Subframe three-coordinate detection fixing support

Abstract

A kind of subframe three-coordinate detection fixed support, including base plate, base plate is provided with base plate positioning hole, cross slide, multiple fixed supports, the lower right side of the upper end surface of base plate is provided with first fixed support, the lower end of first fixed support is connected and fixed with base plate by plug pin, the lower left side, left upper side and right upper side of the upper end surface of base plate are respectively provided with second fixed support, third fixed support, fourth fixed support, second fixed support, third fixed support and fourth fixed support are installed on the upper end of cross slide, cross slide can be adjusted in X direction and Y direction on the upper end surface of base plate, cross slide is connected and fixed on the upper end surface of connecting plate, connecting plate is connected and fixed with base plate, base plate is installed on three-coordinate measuring instrument.The fixed detection of multiple aluminum alloy subframe parts is realized, and the effect of saving production cost and storage space is achieved.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts manufacturing technology, specifically to a three-coordinate measuring and fixing bracket for a subframe. Background Technology

[0002] In the automotive parts manufacturing industry, assembly parts such as aluminum alloy subframes, rear floors, and shock absorber towers are often produced using assembly lines to ensure quality and accelerate production efficiency. Aluminum alloy subframes require machining and welding processes, and after welding, they must undergo inspection before assembly.

[0003] In the existing technology, the ordinary aluminum alloy subframe coordinate measuring machine (CMM) inspection bracket has obvious defects. It can only fix the aluminum alloy subframe of one type of vehicle model and cannot fix multiple aluminum alloy subframe parts for inspection with a CMM. This wastes manufacturing costs and occupies too much storage space.

[0004] Another type of flexible coordinate measuring machine (CMM) inspection platform, with publication number CN 116839515 A, includes a platform base, a fixed bracket, and a trolley. The platform base has a rectangular array of positioning holes, and the fixed bracket is detachably mounted on the base via a transition plate. However, this platform lacks a fine, small-range adjustment mechanism and mainly relies on replacing the fixed bracket and adjusting the position of the transition plate to adapt to different parts. For parts like aluminum alloy subframes that require more precise and flexible adjustment, its adjustment method is not convenient or efficient enough. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a three-coordinate measuring machine (TCM) mounting bracket for subframe inspection. This allows for the fixed inspection of various aluminum alloy subframe parts, achieving cost savings in manufacturing and storage space.

[0006] The purpose of this utility model is achieved by the following solution: a subframe coordinate measuring machine (CMM) mounting bracket, comprising a base plate, wherein the base plate is provided with base plate positioning holes, a cross slide, and multiple mounting brackets, a first mounting bracket is provided on the lower right side of the upper surface of the base plate, and the lower end of the first mounting bracket is connected and fixed to the base plate by a plug pin, a second mounting bracket, a third mounting bracket, and a fourth mounting bracket are respectively provided on the lower left, upper left, and upper right sides of the upper surface of the base plate, the second mounting bracket, the third mounting bracket, and the fourth mounting bracket are mounted on the upper end of the cross slide, the cross slide can be adjusted laterally and longitudinally on the upper surface of the base plate, the cross slide is connected and fixed to the upper surface of a connecting plate, the connecting plate is connected and fixed to the base plate, and the base plate is mounted on a CMM.

[0007] The cross slide is a double-layer slide, with the upper and lower slides perpendicular to each other. The upper and lower slides are connected and fixed by a slider. Each slide includes a slide base, with two slide rails between the front and rear ends of the slide base. A lead screw is installed above the slide rails, and both ends of the lead screw are connected and fixed to both ends of the slide base. The front end of the lead screw passes through the slide base and connects to a roller. A lead screw positioning block is installed on the outer wall of the front end of the slide base, and a slider is installed on the outer circumference of the lead screw. The slider slides in cooperation with the slide rails. The upper slide is installed on the upper end of the slider of the lower slide, and a bracket mounting plate is installed on the upper end of the slider of the upper slide. The upper surface of the bracket mounting plate is connected and fixed to a fixed bracket.

[0008] The first fixed bracket and the second fixed bracket include a positioning pin, a positioning surface and a clamp installed on the upper surface of the bracket base.

[0009] The third and fourth fixed supports include a positioning surface and a clamping clamp installed on the upper surface of the support base.

[0010] The substrate positioning holes on the substrate are arranged in a 100mm×100mm pattern.

[0011] The connecting plate is provided with multiple connecting plate positioning holes, and the plug pin passes through the connecting plate positioning holes and the base plate positioning holes to connect and fix the connecting plate and the base plate.

[0012] The substrate is provided with screw locking holes, and screws pass through the screw locking holes to fix the substrate on the platform of the coordinate measuring machine.

[0013] Handles and lifting rings are provided at the four corners of the substrate.

[0014] The advantages of this utility model are: 1. It realizes flexible fixed subframe. Through the positioning holes distributed in 100mm×100mm on the base plate, the relative distance of the four supports can be adjusted in multiples of 100mm. Combined with the cross slide, it can realize lateral and longitudinal adjustment within 100mm. It can fix and test various subframe parts and has a wide range of applications.

[0015] 2. Compared to testing platforms that rely solely on replacing brackets and transition plates, this testing bracket achieves more precise and convenient small-range adjustments through a cross slide, resulting in higher adjustment efficiency and better adaptability to the testing needs of the subframe.

[0016] 3. There is no need to manufacture separate testing brackets for different vehicle models, which saves manufacturing costs and reduces the number of brackets, thus saving storage space. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the cross slide structure; Figure 3 This is a schematic diagram of the first fixed support structure; Figure 4 This is a schematic diagram of the second fixed support structure; Figure 5 This is a schematic diagram of the third fixed support structure; Figure 6 This is a schematic diagram of the fourth fixed support structure; Figure 7 This is a schematic diagram of the assembly of the present invention with a coordinate measuring machine. Detailed Implementation

[0018] like Figures 1 to 7 As shown, a subframe coordinate measuring machine (CMM) mounting bracket includes a base plate 1, with handles 14 and lifting rings 13 at its four corners. The base plate 1 is provided with base plate positioning holes 12, a cross slide 2, and multiple mounting brackets. The base plate positioning holes 12 on the base plate 1 are arranged in a 100mm × 100mm pattern. A first fixing bracket 8 is provided on the lower right side of the upper surface of substrate 1. The lower end of the first fixing bracket 8 is connected and fixed to substrate 1 by a plug-in pin 3. A second fixing bracket 9, a third fixing bracket 10, and a fourth fixing bracket 11 are respectively provided on the lower left, upper left, and upper right sides of the upper surface of substrate 1. The second fixing bracket 9, the third fixing bracket 10, and the fourth fixing bracket 11 are mounted on the upper end of the cross slide 2. The cross slide 2 can be adjusted laterally and longitudinally on the upper surface of substrate 1. The cross slide 2 is connected and fixed to the upper surface of the connecting plate 7. The connecting plate 7 is connected and fixed to substrate 1. The connecting plate 7 is provided with multiple connecting plate positioning holes 16. The plug-in pin 3 passes through the connecting plate positioning holes 16 and the substrate positioning holes 12 to connect and fix the connecting plate 7 to substrate 1. The substrate 1 is provided with screw locking holes 15. Screws pass through the screw locking holes 15 to fix substrate 1 on the platform of coordinate measuring machine 17.

[0019] The cross slide 2 is a double-layer slide, with the upper and lower slides perpendicular to each other. The upper and lower slides are connected and fixed by a slider 2-8. The upper and lower slides include a slide base 2-5. Two slide rails 2-2 are set between the front and rear ends of the slide base 2-5. A lead screw 2-4 is set above the slide rails 2-2. The two ends of the lead screw 2-4 are connected and fixed to the two ends of the slide base 2-5. The front end of the lead screw 2-4 passes through the slide base 2-5 and is connected to the roller 2-1. A lead screw positioning block 2-6 is set on the outer wall of the front end of the slide base 2-5. A slider 2-8 is set on the outer circumference of the lead screw 2-4. The slider 2-8 slides in a sliding fit with the slide rails 2-2. The upper slide is set on the upper end of the slider 2-8 of the lower slide. A bracket mounting plate 2-3 is set on the upper end of the slider 2-8 of the upper slide. The upper end face of the bracket mounting plate 2-3 is connected and fixed to a fixed bracket. The first fixed bracket 8 and the second fixed bracket 9 include a positioning pin 4, a positioning surface 5, and a clamping clamp 6 installed on the upper surface of the bracket base. The third fixed bracket 10 and the fourth fixed bracket 11 include a positioning surface 5 and a clamping clamp 6 installed on the upper surface of the bracket base.

[0020] Inspection process: Secure the base plate 1 to the platform of the coordinate measuring machine 17 with screws, fix the first measuring bracket 8 in the corresponding position, adjust each connecting plate 7 to the corresponding position, and then fix each connecting plate 7 to the base plate 1 by inserting the plug pin 3 into the connecting plate positioning hole 16 and passing through the base plate positioning hole 12; adjust the cross slide 2 corresponding to the second fixing bracket 9, the third fixing bracket 10 and the fourth fixing bracket 11 to the corresponding position, and then fix the aluminum alloy subframe on the positioning surface 5 by positioning with two positioning pins 4, press the clamp 6 to fix the part, and use the coordinate measuring machine 17 to inspect the part.

[0021] The substrate 1 is filled with positioning holes 12 at 100mm x 100mm intervals, so that the relative distance of the four fixed brackets can be adjusted in multiples of 100mm. The second fixed bracket 9, the third fixed bracket 10, and the fourth fixed bracket 11 are installed on the cross slide table 2 and can move both laterally and longitudinally. When the distance that the four brackets need to move is within 100mm, the mounting plate 2-3 is moved to the required position along the slide rail 2-2 by adjusting the screw 2-4 through the rolling roller 2-1. Then the screw positioning block 2-6 is locked to fix the various subframe parts. Finally, the parts are inspected by the coordinate measuring machine 17.

[0022] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications made to the present utility model by those skilled in the art without departing from the spirit of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A three-coordinate measuring and fixing bracket for a subframe, comprising a base plate (1), characterized in that: The substrate (1) is provided with substrate positioning holes (12), cross slide (2) and multiple fixing brackets. The lower right side of the upper surface of the substrate (1) is provided with a first fixing bracket (8). The lower end of the first fixing bracket (8) is connected and fixed to the substrate (1) by a plug pin (3). The lower left side, upper left side and upper right side of the upper surface of the substrate (1) are respectively provided with a second fixing bracket (9), a third fixing bracket (10) and a fourth fixing bracket (11). The second fixing bracket (9), the third fixing bracket (10) and the fourth fixing bracket (11) are installed on the upper end of the cross slide (2). The cross slide (2) can be adjusted horizontally and vertically on the upper surface of the substrate (1). The cross slide (2) is connected and fixed to the upper surface of the connecting plate (7). The connecting plate (7) is connected and fixed to the substrate (1). The substrate (1) is installed on a coordinate measuring machine (17).

2. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The cross slide (2) is a double-layer slide, with the upper and lower slides perpendicular to each other. The upper and lower slides are connected and fixed by a slider (2-8). The upper and lower slides include a slide base (2-5). Two slide rails (2-2) are set between the front and rear ends of the slide base (2-5). A lead screw (2-4) is set above the slide rails (2-2). The two ends of the lead screw (2-4) are connected and fixed to the two ends of the slide base (2-5). The front end of the lead screw (2-4) passes through... The slide block (2-5) is connected to the roller (2-1). A lead screw positioning block (2-6) is provided on the outer wall of the front end of the slide block (2-5). A slider (2-8) is provided on the outer circumference of the lead screw (2-4). The slider (2-8) is slidably engaged with the slide rail (2-2). An upper slide is provided on the upper end of the slider (2-8) of the lower slide. A bracket mounting plate (2-3) is provided on the upper end of the slider (2-8) of the upper slide. The upper end face of the bracket mounting plate (2-3) is connected and fixed to the fixed bracket.

3. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The first fixed bracket (8) and the second fixed bracket (9) include a positioning pin (4), a positioning surface (5) and a clamp (6) installed on the upper surface of the bracket base.

4. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The third fixed bracket (10) and the fourth fixed bracket (11) include a positioning surface (5) and a clamp (6) installed on the upper surface of the bracket base.

5. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The substrate positioning holes (12) on the substrate (1) are arranged in a 100mm×100mm pattern.

6. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The connecting plate (7) is provided with multiple connecting plate positioning holes (16). The plug pin (3) passes through the connecting plate positioning holes (16) and the substrate positioning holes (12) to connect and fix the connecting plate (7) and the substrate (1).

7. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The substrate (1) is provided with screw locking holes (15), and the screw passes through the screw locking holes (15) to fix the substrate (1) on the platform of the coordinate measuring machine (17).

8. The subframe coordinate measuring machine fixing bracket according to claim 1, characterized in that: The base plate (1) has handles (14) and lifting rings (13) at its four corners.

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