A tooling structure for a hollow stabilizer bar inspection tool and a hollow stabilizer bar inspection tool

Abstract

In order to solve the problem that the prior art requires multiple tests to adjust the pipe bending machine, so as to produce a hollow stabilizer bar that meets the standards, which takes a long time and wastes a lot of pipe materials, the present invention provides a tooling structure of a hollow stabilizer bar inspection tool, including a first measuring block, the first measuring block is provided with a standard groove, and is characterized in that: the first measuring block is also provided with an open groove that intersects the standard groove vertically, and a second measuring block is provided in the open groove, and the second measuring block is provided with a U-shaped groove for placing the hollow stabilizer bar and the gasket, and the width of the U-shaped groove is greater than the standard groove width. The present invention sets a U-shaped groove dedicated to debugging, and adjusts the bending amount of the hollow stabilizer bar by adding or removing gaskets on the U-shaped groove, so as to obtain the reverse deformation amount that the pipe bending machine should compensate for the hollow stabilizer bar, without wasting a large amount of pipe materials for testing, saving pipe materials while also saving the time consumed by producing and testing pipe materials multiple times.

Description

Technical Field

[0001] The invention relates to the field of production of hollow stabilizer bars for automobiles, in particular to a tooling structure of a hollow stabilizer bar inspection tool and a hollow stabilizer bar inspection tool. Background Art

[0002] The hollow stabilizer bar is a common component in the field of automobile manufacturing. To make the hollow stabilizer bar, it needs to be processed by a pipe bending machine, and then quenched and tempered. Since the hollow stabilizer bar will have a certain amount of deformation after quenching and cooling (mainly the bending amount or bending angle has a large deviation), it is necessary to inspect the size of the hollow stabilizer bar after cooling to make it meet the shape and size required by the drawing. At present, the existing inspection fixture structure is as follows: Figure 1 As shown, the inspection fixture is equipped with several Figure 2 As shown in the tooling structure, the detection block on the tooling structure is provided with a plurality of standard grooves at different positions for one-to-one detection of whether multiple position points of the hollow stabilizer bar meet the tolerance. If each position point of the hollow stabilizer bar meets the tolerance value, it is considered that the hollow stabilizer bar meets the shape and size requirements of the drawing. The hollow stabilizer bar has a straight pipe section as a standard section. The current process steps are to clamp the standard section, and then try to put the bent section of the hollow stabilizer bar into the standard groove. If any position point cannot be put into the standard groove, the deviation (or deviation direction) is estimated by visual inspection, and then the reverse deformation equal to the deviation (or deviation direction) is supplemented for the position point on the pipe bending machine, and the reverse deformation is supplemented to a new hollow stabilizer bar. The bent section of the hollow stabilizer bar supplemented with the reverse deformation is tried to be put into the standard groove, and then tested again, and the above steps are repeated until the position point can be put into the standard groove. The same operation is performed on other position points that cannot be put into the standard groove until all position points can be put into the standard groove. At this time, the pipe bending machine has accumulated the data of the above multiple tests and has determined the reverse deformation amount for each position point of the quenched hollow stabilizer bar. Therefore, the reverse deformation amount is compensated to the hollow stabilizer bar in the pipe bending process, so that the quenched hollow stabilizer bar can meet the tolerance of the standard groove and its shape and size meet the requirements of the drawing.

[0003] The defect of the prior art is that the bending deviation (or deviation direction) is judged by visual inspection, and the difficulty of visually inspecting the bending deviation is too great, so multiple tests are required to obtain the correct reverse deformation amount, thereby adjusting the pipe bending machine and producing a hollow stabilizer bar that meets the tolerance standards. At the same time, the process requires experienced workers to operate, is very time-consuming and requires a lot of pipe material to be wasted for testing. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention aims to provide a tooling structure of a hollow stabilizer bar gauge and a hollow stabilizer bar gauge, which can quickly measure the above-mentioned reverse deformation amount and reduce the number of debugging times.

[0005] A tooling structure for a hollow stabilizer bar inspection fixture comprises a first measuring block, the first measuring block is provided with a standard groove, the first measuring block is also provided with an open groove perpendicularly intersecting the standard groove, a second measuring block is arranged in the open groove, the second measuring block is provided with a U-shaped groove for placing a hollow stabilizer bar and a gasket, and the width of the U-shaped groove is not less than the width of the standard groove.

[0006] Furthermore, the gasket is provided with a recess for accommodating the end of the screw, and the gasket is installed in the U-shaped groove by a flat head screw.

[0007] Furthermore, the second measuring block has mounting holes at both ends respectively, the first measuring block is provided with through holes corresponding to the positions of the mounting holes, and the mounting holes at both ends of the second measuring block are provided with positioning axes for mounting the second measuring block to the first measuring block.

[0008] Furthermore, the positioning shaft is detachably plugged into the through hole and the mounting hole.

[0009] Furthermore, a connecting foot is provided at the bottom of the first measuring block, and a screw hole is provided on the connecting foot.

[0010] Furthermore, the second measuring block is in a concave shape.

[0011] Furthermore, the gasket is arranged on the bottom and one side wall of the U-shaped groove.

[0012] Furthermore, the gasket is arranged on the bottom and the groove walls on both sides of the U-shaped groove.

[0013] A hollow stabilizer bar inspection tool comprises the above-mentioned tooling structure.

[0014] During debugging, clamp the standard section of the hollow stabilizer bar, and place the bent section of the quenched hollow stabilizer bar into the standard groove of the tooling structure. If there is a position point of the hollow stabilizer bar that does not meet the standard groove tolerance requirements, for example, the bent section of the hollow stabilizer bar is outwardly deviated, then by adding a gasket in the groove wall on the U-shaped groove, the gasket pushes the hollow stabilizer bar so that the bent section of the hollow stabilizer bar is offset inward by a certain amount (basically equal to the thickness of the gasket) until the position point can meet the tolerance requirements of the standard groove. Perform the above operation on each position point of the hollow stabilizer bar that does not meet the standard groove tolerance, and finally make all the position points of the hollow stabilizer bar meet the standard groove tolerance requirements. Then, the thickness of the gasket can be measured; or each gasket has a clear thickness, and the total thickness of the gaskets placed in the U-shaped groove on each tooling structure is calculated to determine the reverse deformation amount, and finally the reverse deformation amount is compensated for the hollow stabilizer bar on the pipe bending machine, and the produced hollow stabilizer bar can also meet the tolerance requirements of the standard groove after quenching.

[0015] The present invention is provided with a U-shaped groove specially used for debugging, and the bending amount of the hollow stabilizer bar is adjusted by adding or removing gaskets on the U-shaped groove (the bending direction can also be slightly adjusted), so as to obtain the reverse deformation amount that the pipe bending machine should compensate for the hollow stabilizer bar, without wasting a large amount of pipes for testing, saving pipes while also saving the time consumed by multiple production and testing of pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the prior art inspection fixture;

[0017] Figure 2 It is an overall schematic diagram of the tooling structure of the prior art inspection tool;

[0018] Figure 3 It is a schematic diagram of the tooling structure of the present invention in a debugging state;

[0019] Figure 4 It is a schematic diagram of the tooling structure of the present invention in a detection state;

[0020] In the figure: 1, tooling structure; 10, standard slot; 20, second measuring block; 21, gasket; 22, flat head screw; 30, positioning shaft. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] Please refer to Figure 1-4As shown, a tooling structure of a hollow stabilizer bar inspection fixture includes a first measuring block, a standard groove 10 is provided on the first measuring block, and the first measuring block is also provided with an open groove perpendicularly intersecting the standard groove 10, a second measuring block 20 is arranged in the open groove, and the second measuring block 20 is provided with a U-shaped groove for placing a hollow stabilizer bar and a gasket 21, and the width of the U-shaped groove is not less than the width of the standard groove 10.

[0023] like Figure 3 As shown, the tooling structure 1 is in the debugging state, clamping the standard section of the hollow stabilizer bar, and placing the quenched curved section of the hollow stabilizer bar into the standard groove 10 of the tooling structure 1. If there is a position point of the hollow stabilizer bar that does not meet the tolerance requirements of the standard groove 10, for example, the curved section of the hollow stabilizer bar is outwardly deviated, then by adding a gasket 21 in the groove wall on the U-shaped groove, the gasket 21 pushes the hollow stabilizer bar so that the curved section of the hollow stabilizer bar is deviated inward by a certain amount (basically equal to the thickness of the gasket 21) until the position point can meet the tolerance requirements of the standard groove 10. The above operation is performed for each position point of the hollow stabilizer bar that does not meet the tolerance requirements of the standard groove 10, and finally all the position points of the hollow stabilizer bar can meet the tolerance requirements of the standard groove 10. Then, the reverse deformation amount can be determined by measuring the thickness of the gasket 21; or each gasket 21 has a clear thickness, and the total thickness of the gaskets 21 placed in the U-shaped groove on each tooling structure 1 is calculated, and finally the reverse deformation amount is compensated to the hollow stabilizer bar on the pipe bending machine, and the produced hollow stabilizer bar can also meet the tolerance required by the standard groove 10 after quenching.

[0024] It should be noted that if the width of the U-shaped groove is smaller than the width of the standard groove 10, the hollow stabilizer bar that can be placed in the standard groove 10 may not necessarily be able to be placed in the U-shaped groove. That is, the tolerance of the U-shaped groove before the gasket 21 is added is higher than the tolerance of the standard groove 10. If it can be placed in the U-shaped groove, it can be placed in the standard groove 10, which loses the meaning of adjusting with the gasket 21.

[0025] The present invention is provided with a U-shaped groove specially used for debugging, and the bending amount of the hollow stabilizer bar is adjusted by adding or removing gaskets 21 on the U-shaped groove (the bending direction can also be slightly adjusted), so as to obtain the reverse deformation amount that the pipe bending machine should compensate for the hollow stabilizer bar, without wasting a large amount of pipes for testing, saving pipes while also saving the time consumed by multiple production and testing of pipes.

[0026] Furthermore, the gasket 21 is provided with a depression for accommodating the end of the screw, and the gasket 21 is installed in the U-shaped groove by a flat head screw 22. It should be noted that the gasket 21 can be a gasket 21 of calibrated thickness. Each gasket 21 has a certain thickness, and there is no need for subsequent measurement. Only a simple calculation based on the number of gaskets 21 and the standard thickness of each gasket 21 is required to calculate the compensation amount, which simplifies the operation process, saves time, avoids human measurement errors each time, and improves accuracy. It should be pointed out that the gasket 21 can also be directly embedded in the gap between the hollow stabilizer bar and the standard groove 10, which basically does not affect the measurement accuracy.

[0027] Furthermore, the second measuring block 20 has mounting holes at both ends, the first measuring block is provided with through holes corresponding to the positions of the mounting holes, and the mounting holes at both ends of the second measuring block 20 are provided with positioning shafts 30 for mounting the second measuring block 20 to the first measuring block. The positioning shafts 30 are detachably plugged into the through holes and the mounting holes. When the second measuring block 20 needs to be rotated, one of the positioning shafts 30 is pulled out, and the second measuring block 20 can be rotated around the other positioning shaft 30. It should be noted that the positioning shaft 30 can be a screw or an inserted shaft with a limit end. At this time, the tooling structure 1 is as shown Figure 4 As shown, the tooling structure 1 is in the measuring state, the second measuring block 20 is rotated and leaves the initial position, rotated to one side of the tooling structure 1, and the U-shaped groove is separated from the standard groove 10. The hollow stabilizer bar produced after adjusting the pipe bending machine is placed in the standard groove 10 of the tooling structure 1 in the measuring state. In this way, there is no need to remove the gasket 21, and the operation is more convenient.

[0028] Furthermore, in order to facilitate installation, a connecting foot is provided at the bottom of the tooling structure 1, and a screw hole is provided on the connecting foot.

[0029] Furthermore, the second measuring block 20 is in a concave shape.

[0030] Furthermore, the gasket 21 is arranged at the bottom and one side wall of the U-shaped groove of the standard groove 10, so that the tooling structure 1 can enlarge or tighten the tolerance (compensation amount) in the horizontal and vertical directions, and adjust the product shape more conveniently; after adjustment, it enters the next process.

[0031] Furthermore, the gasket 21 is arranged at the bottom and both sides of the U-shaped groove of the standard groove 10, so that the tooling structure 1 can enlarge or tighten the tolerance (compensation amount) from three directions, and adjust the product shape more three-dimensionally; after the adjustment is in place, it enters the next process.

[0032] A hollow stabilizer bar inspection tool comprises the above-mentioned tooling structure.

[0033] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A tooling structure of a hollow stabilizer bar inspection fixture, comprising a first measuring block, wherein the first measuring block is provided with a standard groove, characterized in that: The first measuring block is also provided with an open groove that intersects the standard groove at right angles, and a second measuring block is arranged in the open groove. The second measuring block is provided with a U-shaped groove for placing a hollow stabilizer bar and a gasket, and the width of the U-shaped groove is not less than the width of the standard groove; the two ends of the second measuring block are respectively provided with mounting holes, and the first measuring block is provided with through holes corresponding to the positions of the mounting holes, and the mounting holes at both ends of the second measuring block are provided with positioning shafts for mounting the second measuring block to the first measuring block, and the positioning shafts are detachably plugged into the through holes and the mounting holes; when the second measuring block needs to be rotated, one of the positioning shafts is pulled out, and the second measuring block rotates around the other positioning shaft, and the positioning shaft is a screw or an insertion shaft with a limit end. At this time, the tooling structure is in a measuring state, and the second measuring block is rotated and leaves the initial position, and rotates to one side of the tooling structure, and the U-shaped groove is separated from the standard groove, and the hollow stabilizer bar produced after adjusting the pipe bending machine is placed in the standard groove of the tooling structure in the measuring state without removing the gasket; The gasket is provided with a recess for accommodating the end of the screw, and the gasket is installed on the U-shaped groove through a flat head screw.

2. The tooling structure of a hollow stabilizer bar inspection fixture according to claim 1, characterized in that: A connecting foot is provided at the bottom of the first measuring block, and a screw hole is provided on the connecting foot.

3. The tooling structure of a hollow stabilizer bar inspection fixture according to claim 1, characterized in that: The gasket is arranged on the bottom and one side wall of the U-shaped groove.

4. The tooling structure of a hollow stabilizer bar inspection fixture according to claim 1, characterized in that: The gasket is arranged on the groove bottom and groove walls on both sides of the U-shaped groove.

5. The tooling structure of a hollow stabilizer bar inspection fixture according to claim 1, characterized in that: The second measuring block is in a concave shape.

6. A hollow stabilizer bar inspection fixture, characterized in that: It comprises the tooling structure as described in any one of claims 1 to 5.

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