Multifunctional composite testing fixture

Abstract

The invention discloses a multifunctional composite testing fixture, and relates to the technical field of testing fixtures, the multifunctional composite testing fixture comprises a positioning assembly and a detection assembly, the positioning assembly comprises a limiting baffle plate and a fifth positioning surface, and two sides of the fifth positioning surface are respectively provided with a first positioning surface and a second positioning surface; a third positioning surface and a fourth positioning surface are arranged on the side, facing the fifth positioning surface, of the limiting baffle, a first pressing clamp is arranged at the top of the first positioning surface and the top of the second positioning surface, a second pressing clamp is arranged at the top of the third positioning surface and the top of the fourth positioning surface, and a first composite detection positioning pin is arranged between the third positioning surface and the fourth positioning surface; the middle part of the fifth positioning surface is provided with a second composite detection positioning pin. The detection assembly comprises a side line detection mechanism, an upper opening arc detection pin and a molded surface detection block. According to the invention, the method can achieve the positioning and detection of a plurality of references, effectively reduces the number of detection tools, reduces the development cost and use complexity, and is higher in practical value.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing tools, in particular to a multifunctional composite testing tool. BACKGROUND

[0002] In the process of manufacturing automobile parts, especially in the process of machining complex structural parts (such as pipes for automobile chassis rear beams), reference positioning and size detection are key links to ensure product quality, and testing tools are tools or equipment used to measure and test the size, shape and position accuracy of workpieces, Figure 2 The product shown is a pipe for automobile chassis rear beams, the finished product A reference is composed of A1, A2 and A3, A1 is a circular surface with an outer diameter of φ20 at the main positioning hole, A2 and A3 are φ6 circular surfaces, B reference is a φ12 circular hole, and C reference is an open circle at the end of the product. The process flow of the product is: bending pipe - profile punching - laser cutting. The profile punching process needs to detect the position of the reference hole B, and the laser cutting process needs to detect the end line and the position of the open circle arc. The open circle arc is also the C reference for product positioning, so it is necessary to judge whether the position of the open circle arc is accurate before positioning.

[0003] Based on the above, the present inventor found that the following problems exist: The current testing tool needs three sets of testing tools to complete the above detection requirements for such pipes for automobile chassis rear beams, which has high development cost, long time consumption and is not convenient to use.

[0004] Therefore, in view of the above, the existing structure and deficiencies are improved, and a multifunctional composite testing tool is provided to achieve a more practical purpose. SUMMARY

[0005] The present application aims to provide a multifunctional composite testing tool to solve the problems raised in the background.

[0006] A multifunctional composite testing tool, comprising a positioning assembly and a detection assembly, the positioning assembly comprising a limiting baffle and a fifth positioning surface, the fifth positioning surface being provided with a first positioning surface and a second positioning surface on both sides, the limiting baffle being provided with a third positioning surface and a fourth positioning surface on the side facing the fifth positioning surface, the first positioning surface and the second positioning surface being provided with a first pressing clamp on the top, the third positioning surface and the fourth positioning surface being provided with a second pressing clamp on the top, the first composite detection positioning pin being arranged between the third positioning surface and the fourth positioning surface, the second composite detection positioning pin being arranged in the middle of the fifth positioning surface, the detection assembly comprising a line detection mechanism, an upper open circle arc detection pin and a profile detection block, the line detection mechanism being arranged on the side of the fifth positioning surface away from the first composite detection positioning pin, the upper open circle arc detection pin being arranged on the top of the first composite detection positioning pin, and the profile detection block being arranged between the fifth positioning surface.

[0007] By adopting the technical scheme, the fifth positioning surface is convenient for positioning the A reference A surface of the product, the limiting baffle is convenient for limiting and positioning one end of the C reference of the product, the first positioning surface and the second positioning surface are convenient for positioning and fixing both sides of the A reference A surface of the product, the third positioning surface and the fourth positioning surface are convenient for positioning the A reference A surface and the A surface of the product, thereby cooperating with the first positioning surface and the second positioning surface to control the four direction freedoms of the product, the first pressing clamp and the second pressing clamp are convenient for pressing and fixing the product positioned by the first positioning surface, the second positioning surface, the third positioning surface, the fourth positioning surface, the fifth positioning surface and the limiting baffle, facilitating detection of the subsequent detection assembly, the first composite detection positioning pin is convenient for extending upward after the product is positioned, for detecting the position and shape of the open circle of the C reference, and keeping the extending state after detection, thereby playing a positioning and fixing role, the second composite detection positioning pin is convenient for extending upward after the product is positioned, for detecting the position and shape of the circular hole of the B reference, and keeping the extending state after detection, thereby playing a positioning and fixing role, and the edge line detection mechanism, the upper open circle arc detection pin and the profile detection block are convenient for detecting the edge line, the end open circle arc and the profile of the product.

[0008] Further, the first positioning surface and the second positioning surface are both telescopic structures, and a sliding sleeve and a pushing spring are arranged outside the first positioning surface and the second positioning surface.

[0009] By adopting the technical scheme, the sliding sleeve and the pushing spring are arranged, so that the first positioning surface and the second positioning surface can be telescoped and reset.

[0010] Further, the first composite detection positioning pin and the second composite detection positioning pin are both telescopic structures, and a control handle is arranged on one side of the bottom of the first composite detection positioning pin and the second composite detection positioning pin, and the control handle is used to control the lifting and fixing of the first composite detection positioning pin and the second composite detection positioning pin.

[0011] By adopting the technical scheme, the control handle is arranged, so that the lifting and fixing of the first composite detection positioning pin and the second composite detection positioning pin can be controlled.

[0012] Further, the first pressing clamp and the second pressing clamp are both manual pressing clamps, and the first pressing clamp and the second pressing clamp are both provided with a locking mechanism.

[0013] By adopting the technical scheme, the first pressing clamp and the second pressing clamp are both manual pressing clamps, so that the product can be clamped during detection to prevent displacement during detection.

[0014] Further, the limiting baffle, the upper opening arc detection pin and the profile detection block are all hinged and overturned structures, and the limiting baffle is further provided with a handle and a locking mechanism.

[0015] By adopting the above technical scheme, the handle and the locking mechanism are further provided on the limiting baffle, so that the limiting baffle can be overturned and locked after the product is positioned and fixed, the product is opened at the end provided with the C reference, and the upper opening arc detection pin can detect the position and shape of the upper opening arc of the product.

[0016] Further, the upper opening arc detection pin comprises an arc profiling detection block, and a detection pin is arranged in the middle of the arc profiling detection block.

[0017] By adopting the above technical scheme, the arc profiling detection block and the detection pin are arranged, so that the upper opening arc detection pin can detect the opening arc of the product C reference.

[0018] Further, a guide sliding rail is arranged at the bottom of the edge line detection mechanism, a sliding seat is slidably connected to the top of the guide sliding rail, and the sliding seat is fixedly connected to the edge line detection mechanism.

[0019] By adopting the above technical scheme, the guide sliding rail and the sliding seat are arranged, so that the edge line detection mechanism can slide along the extension direction of the product edge line, and the edge line detection mechanism can slide to the product edge line to detect the edge line after the product is positioned and fixed.

[0020] On the other hand, the application provides a use method of the multifunctional composite gauge, which comprises the following steps:

[0021] Step one, detecting the round hole and the opening arc: the product is accurately placed on the first positioning surface, the second positioning surface, the third positioning surface and the fourth positioning surface through the limiting baffle, the product is detected through the setting of the control handle, the position of the round hole of the B reference is detected, the first composite detection positioning pin remains in the extended state after the detection is qualified, and the first composite detection positioning pin plays a positioning role, the product is attached to the fifth positioning surface by withdrawing the first positioning surface and the second positioning surface, the product is detected through the setting of the first composite detection positioning pin, the position and shape of the opening arc of the C reference are detected, the first composite detection positioning pin remains in the extended state after the detection is qualified, and the first composite detection positioning pin plays a positioning role, the lifting and fixing of the first composite detection positioning pin and the second composite detection positioning pin are controlled through the setting of the control handle, the handle and the locking mechanism are further provided on the limiting baffle, the limiting baffle is overturned and locked after the product is positioned and fixed, the product is opened at the end provided with the C reference, and the upper opening arc detection pin detects the position and shape of the upper opening arc of the product;

[0022] Step two, product positioning: by setting the control handle to make the second composite detection positioning pin in the positioning state, the fifth positioning surface is positioned against the product A reference A1 surface, by setting the control handle to make the first composite detection positioning pin in the positioning state, the A reference A2 surface and A3 surface of the third and fourth positioning surfaces are positioned, by setting the first and second pressure pincers, the product positioned by the fifth, third and fourth positioning surfaces is fixed, facilitating subsequent detection of the detection assembly, the first and second pressure pincers are both manual pressure pincers, which facilitate clamping the product during detection to prevent displacement during detection;

[0023] Step three, profiling detection and edge line detection: by setting the edge line detection mechanism, the upper opening arc detection pin and the profile detection block, the edge line, the end opening arc and the profile of the product are detected, by setting the arc profiling detection block and the detection pin, the upper opening arc detection pin can detect the opening arc of the product C reference, by setting the guide rail and the sliding seat, the edge line detection mechanism can slide along the extension direction of the product edge line, facilitating the edge line detection mechanism to slide to the product edge line after positioning and fixing the product to detect the edge line.

[0024] Step four, reset: slide the sliding seat to reset the edge line detection mechanism, then flip the upper opening arc detection pin and the profile detection block to reset, flip the limit stop plate, open the first and second pressure pincers, remove the detected product, replace the product to be detected, repeat steps one to three for cyclic detection.

[0025] Compared with the prior art, the beneficial effects of the present application are: through the limiting baffle and the fifth positioning surface, the fifth positioning surface is convenient for positioning the A reference A surface of the product, the limiting baffle is convenient for limiting and positioning the C reference one end of the product, through the first positioning surface and the second positioning surface, the A reference A surface of the product on both sides is convenient for positioning and fixing, through the setting of the third positioning surface and the fourth positioning surface, the A reference A surface and the A surface of the product are convenient for positioning, so as to cooperate with the first positioning surface and the second positioning surface to control the four direction freedoms of the product, through the setting of the first pressing clamp and the second pressing clamp, the product positioned by the first positioning surface, the second positioning surface, the third positioning surface, the fourth positioning surface, the fifth positioning surface and the limiting baffle is convenient for being pressed and fixed, which is convenient for subsequent detection of the detection assembly, through the setting of the first composite detection positioning pin, the product is convenient for being stretched upward after being positioned, which is used for detecting the position and shape of the opening circle of the C reference, and remains in the stretched state after detection, which plays a positioning and fixing role, through the second composite detection positioning pin, the product is convenient for being stretched upward after being positioned, which is used for detecting the position and shape of the circular hole of the B reference, and remains in the stretched state after detection, which plays a positioning and fixing role, through the setting of the edge line detection mechanism, the upper opening circle arc detection pin and the profile detection block, the edge line, the end opening circle arc and the profile of the product are convenient for being detected; the present application can realize positioning and detection of multiple references, effectively reduces the number of gauges, reduces the development cost and use complexity, and has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application;

[0027] Figure 1 It is a first positioning schematic view of the multifunctional composite gauge of the present application;

[0028] Figure 2 It is a structure view of the product detected by the multifunctional composite gauge of the present application;

[0029] Figure 3 It is a second positioning schematic view of the multifunctional composite gauge of the present application;

[0030] Figure 4 It is a top view of the positioning assembly of the present application;

[0031] Figure 5 It is a front view of the positioning assembly of the present application;

[0032] Figure 6 It is a first detection schematic view of the multifunctional composite gauge of the present application;

[0033] Figure 7A second detection schematic diagram of a multifunctional composite gauge of the present application;

[0034] Figure 8 A flow chart of a use method of a multifunctional composite gauge of the present application.

[0035] In the figure: 1, product; 2, first pressing clamp; 3, first positioning surface; 4, second pressing clamp; 5, third positioning surface; 6, limiting baffle; 7, first composite detection positioning pin; 8, fourth positioning surface; 9, second positioning surface; 10, second composite detection positioning pin; 11, edge line detection mechanism; 12, upper opening arc detection pin; 13, profile detection block; 14, guide slide rail; 15, sliding seat; 16, sliding sleeve; 17, push spring; 18, control handle; 19, fifth positioning surface. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0037] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features; in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0038] Embodiment 1

[0039] Please refer to Figures 1-7The application provides a technical scheme: a multifunctional composite testing tool, which comprises a positioning assembly and a testing assembly, the positioning assembly comprises a limiting baffle 6 and a fifth positioning surface 19, the limiting baffle 6 and the fifth positioning surface 19 facilitate positioning of the fifth positioning surface 19 to an A reference A1 surface of a product 1, the limiting baffle 6 positions and limits one end of a C reference of the product 1, the fifth positioning surface 19 is respectively provided with a first positioning surface 3 and a second positioning surface 9 on both sides, the first positioning surface 3 and the second positioning surface 9 facilitate positioning and fixing of both sides of the A reference A1 surface of the product 1, the limiting baffle 6 is provided with a third positioning surface 5 and a fourth positioning surface 8 on the side facing the fifth positioning surface 19, the third positioning surface 5 and the fourth positioning surface 8 facilitate positioning of A reference A2 and A3 surfaces of the product 1, thereby cooperating with the first positioning surface 3 and the second positioning surface 9 to control four direction freedoms of the product 1, the first positioning surface 3 and the second positioning surface 9 are provided with a first pressing clamp 2 on the top, the third positioning surface 5 and the fourth positioning surface 8 are provided with a second pressing clamp 4 on the top, the first pressing clamp 2 and the second pressing clamp 4 facilitate pressing and fixing of the product 1 positioned by the first positioning surface 3, the second positioning surface 9, the third positioning surface 5, the fourth positioning surface 8, the fifth positioning surface 19 and the limiting baffle 6, thereby facilitating detection of the subsequent testing assembly, the third positioning surface 5 and the fourth positioning surface 8 are provided with a first composite detection positioning pin 7 therebetween, the first composite detection positioning pin 7 facilitates upward extension after the product 1 is positioned, and is used for detecting the position and shape of an open circle of the C reference, and remains in the extended state after detection, thereby playing a positioning and fixing role, the fifth positioning surface 19 is provided with a second composite detection positioning pin 10 in the middle, the second composite detection positioning pin 10 facilitates upward extension after the product 1 is positioned, and is used for detecting the position and shape of a circular hole of a B reference, and remains in the extended state after detection, thereby playing a positioning and fixing role, the testing assembly comprises a edge line detection mechanism 11, an upper open circular arc detection pin 12 and a profile detection block 13, the edge line detection mechanism 11 is arranged on the side of the fifth positioning surface 19 away from the first composite detection positioning pin 7, the upper open circular arc detection pin 12 is arranged on the top of the first composite detection positioning pin 7, and the profile detection block 13 is arranged between the fifth positioning surface 19, the edge line detection mechanism 11, the upper open circular arc detection pin 12 and the profile detection block 13 facilitate detection of an edge line, an end open circular arc and a profile of the product 1.

[0040] The first positioning surface 3 and the second positioning surface 9 are both telescopic structures, and the first positioning surface 3 and the second positioning surface 9 are provided with a sliding sleeve 16 and a pushing spring 17 outside, the sliding sleeve 16 and the pushing spring 17 facilitate telescoping and resetting of the first positioning surface 3 and the second positioning surface 9.

[0041] The first composite detection positioning pin 7 and the second composite detection positioning pin 10 are both telescopic structures, and the bottom side of the first composite detection positioning pin 7 and the second composite detection positioning pin 10 is provided with a control handle 18, and the control handle 18 is used for controlling the lifting and fixing of the first composite detection positioning pin 7 and the second composite detection positioning pin 10.

[0042] The first pressing clamp 2 and the second pressing clamp 4 are both manual pressing clamps, and the first pressing clamp 2 and the second pressing clamp 4 are both provided with a locking mechanism.

[0043] The limiting baffle 6, the upper opening arc detection pin 12 and the profile detection block 13 are all hinged and overturned structures, and the limiting baffle 6 is further provided with a handle and a locking mechanism.

[0044] The upper opening arc detection pin 12 includes an arc profiling detection block, and a detection pin is arranged in the middle of the arc profiling detection block.

[0045] The bottom of the edge line detection mechanism 11 is provided with a guide sliding rail 14, the top of the guide sliding rail 14 is slidingly connected with a sliding seat 15, the sliding seat 15 is fixedly connected with the edge line detection mechanism 11, and the guide sliding rail 14 and the sliding seat 15 are arranged.

[0046] The application provides a use method of a multifunctional composite gauge.

[0047] Step one, detect the round hole and the open circular arc: through the limiting baffle 6, the product 1 is accurately placed on the first positioning surface 3, the second positioning surface 9, the third positioning surface 5 and the fourth positioning surface 8. The second composite detection positioning pin 10 is set through the control handle 18 to complete the detection of the product 1, which is used to detect the position of the round hole of the B reference. After the detection is qualified, it remains in the extended state to play a positioning role. The first positioning surface 3 and the second positioning surface 9 are withdrawn to make the product 1 adhere to the fifth positioning surface 19. Through the setting of the first composite detection positioning pin 7, it is convenient to complete the detection of the product 1, which is used to detect the position and shape of the open circle of the C reference. After the detection is qualified, it remains in the extended state to play a positioning role. Through the setting of the control handle 18, it is convenient to control the lifting and fixation of the first composite detection positioning pin 7 and the second composite detection positioning pin 10. Through the limiting baffle 6, it is also equipped with a handle and a locking mechanism, which is convenient to turn over and lock the limiting baffle 6 after completing the positioning and fixation of the product 1, so as to open the end of the product 1 provided with the C reference, and facilitate the upper open circular arc detection pin 12 to detect the position and shape of the upper open circular arc of the product 1.

[0048] Step two, product positioning: through the setting of the control handle 18, the second composite detection positioning pin 10 is in the positioning state, which is convenient for the fifth positioning surface 19 to position the A reference A1 surface of the product 1. Through the setting of the control handle 18, the first composite detection positioning pin 7 is in the positioning state, which is convenient for the A reference A2 surface and A3 surface of the third positioning surface 5 and the fourth positioning surface 8 to position. Through the setting of the first pressure clamp 2 and the second pressure clamp 4, it is convenient to press and fix the product 1 positioned by the fifth positioning surface 19, the third positioning surface 5 and the fourth positioning surface 8, which is convenient for the subsequent detection of the detection assembly. The first pressure clamp 2 and the second pressure clamp 4 are both manual pressure clamps, which are convenient to clamp the product 1 during detection to prevent displacement during detection.

[0049] Step three, profiling detection and edge line detection: through the setting of the edge line detection mechanism 11, the upper open circular arc detection pin 12 and the profile detection block 13, it is convenient to detect the edge line, the end open circular arc and the profile of the product 1. Through the setting of the circular arc profiling detection block and the detection pin, the upper open circular arc detection pin 12 can detect the open circular arc of the C reference of the product 1. Through the setting of the guide rail 14 and the sliding seat 15, it is convenient to realize that the edge line detection mechanism 11 can slide along the extension direction of the edge line of the product 1, which is convenient to slide the edge line detection mechanism 11 to the edge line of the product 1 after completing the positioning and fixation of the product 1 to detect the edge line.

[0050] Step four, reset; slide the sliding seat 15 to reset the edge line detection mechanism 11, and then reset the upper open circular arc detection pin 12 and the profile detection block 13. Turn over the limiting baffle 6, open the first pressure clamp 2 and the second pressure clamp 4, and take down the product 1 after detection. Replace the product 1 to be detected, repeat steps one to three, and perform cyclic detection.

[0051] The above description is merely illustrative of the application, and is not intended to limit the application. Any modifications, equivalent replacements, improvements, and the like made by those of ordinary skill in the art, without departing from the spirit and principle of the application, shall fall within the protection scope of the application.

[0052] In several embodiments provided in the present application, it should be understood that the disclosed system, modules and methods can be implemented in other ways. For example, the above-described module embodiments are merely illustrative, for example, the division of units is merely a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed units can be indirect coupling or communication connection through some interfaces, modules or units, and can be electrical, mechanical or other forms.

[0053] The above-described embodiments are merely used to illustrate the technical solutions of the present application, rather than limit the present application. The present application is not limited to the precise structures described above and shown in the drawings, and the specific implementation of the present application should not be considered as limited to the above description. For those of ordinary skill in the art to which the present application belongs, various changes and modifications made without departing from the concept of the present application should be considered as falling within the protection scope of the present application.

Claims

1. A multifunctional composite gauge, characterized by comprising: The utility model relates to a multi -functional compound detection tool, including positioning component and detection component, positioning component includes limit baffle (6) and fifth positioning surface (19), both sides of fifth positioning surface (19) are equipped with first positioning surface (3) and second positioning surface (9) respectively, limit baffle (6) is equipped with third positioning surface (5) and fourth positioning surface (8) towards fifth positioning surface (19) side, first positioning surface (3) and second positioning surface (9) top are equipped with first pressure clamp (2), third positioning surface (5) and fourth positioning surface (8) top are equipped with second pressure clamp (4), first compound detection positioning pin (7) is equipped between third positioning surface (5) and fourth positioning surface (8), second compound detection positioning pin (10) is equipped in the middle of fifth positioning surface (19), and detection component includes sideline detection mechanism (11), upper opening arc detection pin (12) and profile detection block (13), sideline detection mechanism (11) is set up in fifth positioning surface (19) side away from first compound detection positioning pin (7), upper opening arc detection pin (12) is set up in first compound detection positioning pin (7) top, and profile detection block (13) is set up between fifth positioning surface (19).

2. A multi-functional composite gauge according to claim 1, wherein First positioning surface (3) and second positioning surface (9) are both telescopic structure, and first positioning surface (3) and second positioning surface (9) are equipped with sliding sleeve (16) and push spring (17) outside.

3. The multi-functional composite gauge according to claim 1, wherein, First compound detection positioning pin (7) and second compound detection positioning pin (10) are both telescopic structure, and first compound detection positioning pin (7) and second compound detection positioning pin (10) are equipped with control handle (18) on one side of bottom, and control handle (18) is used for controlling the lifting and fixing of first compound detection positioning pin (7) and second compound detection positioning pin (10).

4. The multi-functional composite gauge according to claim 1, wherein, First pressure clamp (2) and second pressure clamp (4) are both manual pressure clamp, and first pressure clamp (2) and second pressure clamp (4) are equipped with locking mechanism.

5. The multi-functional composite gauge according to claim 1, wherein, Limit baffle (6), upper opening arc detection pin (12) and profile detection block (13) are all hinged overturning structure, and limit baffle (6) is also equipped with handle and locking mechanism.

6. A multi-functional composite gauge according to claim 5, wherein Upper opening arc detection pin (12) includes arc profile detection block, and detection pin is equipped in the middle of arc profile detection block.

7. The multi-functional composite gauge according to claim 1, wherein Bottom of sideline detection mechanism (11) is equipped with guide slide rail (14), and the top of guide slide rail (14) is slidably connected with sliding seat (15), and sliding seat (15) is fixedly connected with sideline detection mechanism (11).

8. A method of using a multi-functional composite gauge, comprising: The utility model relates to a multi -functional compound detection tool, including the following steps: Step one, detect the round hole and open circular arc: through the limiting baffle (6), the product (1) is accurately placed on the first positioning surface (3), the second positioning surface (9), the third positioning surface (5), the fourth positioning surface (8), the second composite detection positioning pin (10) is set through the control handle (18) to complete the detection of the product (1), which is used to detect the position of the round hole of B reference, and remains in the extended state after detection, which plays a positioning role, and exits the first positioning surface (3) and the second positioning surface (9) to make the product (1) adhere to the fifth positioning surface (19), through the setting of the first composite detection positioning pin (7), it is convenient to complete the detection of the product (1), which is used to detect the position and shape of the open circle of C reference, and remains in the extended state after detection, which plays a positioning role, through the setting of the control handle (18), it is convenient to control the lifting and fixation of the first composite detection positioning pin (7) and the second composite detection positioning pin (10), through the limiting baffle (6), it is also equipped with a handle and a locking mechanism, which is convenient to turn over and lock the limiting baffle (6) after completing the positioning and fixation of the product (1), and the product (1) is opened at one end with C reference, which is convenient for the upper open circular arc detection pin (12) to detect the position and shape of the upper open circular arc of the product (1); Step two, product positioning: through the setting of the control handle (18), the second composite detection positioning pin (10) is in the positioning state, which is convenient for the fifth positioning surface (19) to position the A reference A1 surface of the product (1), through the setting of the control handle (18), the first composite detection positioning pin (7) is in the positioning state, which is convenient for the third positioning surface (5) and the fourth positioning surface (8) to position the A reference A2 surface and A3 surface, through the setting of the first pressure clamp (2) and the second pressure clamp (4), it is convenient to press and fix the product (1) positioned by the fifth positioning surface (19), the third positioning surface (5) and the fourth positioning surface (8), which is convenient for the subsequent detection of the detection assembly, the first pressure clamp (2) and the second pressure clamp (4) are both manual pressure clamps, which are convenient for clamping the product (1) during detection to prevent displacement during detection; Step three, profiling detection and edge line detection: through the setting of the edge line detection mechanism (11), the upper open circular arc detection pin (12) and the profile detection block (13), it is convenient to detect the edge line, the end open circular arc and the profile of the product (1), through the setting of the circular arc profiling detection block and the detection pin, the upper open circular arc detection pin (12) can detect the open circular arc of the product (1) C reference, through the setting of the guide rail (14) and the sliding seat (15), it is convenient to realize that the edge line detection mechanism (11) can slide along the extension direction of the edge line of the product (1), which is convenient to slide the edge line detection mechanism (11) to the edge line of the product (1) after completing the positioning and fixation of the product (1) to detect the edge line. Step four, reset; slide the sliding seat (15) to reset the edge detection mechanism (11), and then flip the upper opening arc detection pin (12) and the profile detection block (13) to reset, flip the limiting baffle (6), open the first pressing clamp (2) and the second pressing clamp (4), take out the product (1) after detection, replace the product (1) to be detected, repeat steps one to three, and perform cyclic detection.

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