Automobile part detection equipment

Abstract

The utility model discloses automobile part detection equipment, which is used for detecting parameters of parts, at least one round hole is arranged on the parts, and the detection equipment comprises a workbench, a controller, and a positioning tool and an aperture measurement module which are fixed on the workbench. The hole diameter measuring module comprises an air bag part, a supporting part arranged on the air bag part and at least three first sensors arranged on the supporting part and facing the inner wall of the round hole, the three first sensors are arranged in the circumferential direction of the round hole at intervals, the air bag part is connected with an air source used for inflating the air bag part, and the air bag part is connected with a water pump. The air bag piece drives the supporting piece to move in the radial direction, and the three first sensors abut against the inner side wall of the part so as to obtain and feed back parameters of three detection points. And the controller is simultaneously in signal connection with the positioning tool and the aperture measurement module. Parameters of parts can be automatically detected, the detection efficiency is improved, and the yield requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts detection, especially to an automobile parts detection equipment. BACKGROUND

[0002] In the machining production process of the automobile field, the detection process of the parts is an indispensable step. In the detection process, multiple parameters need to be detected, such as threaded holes, inner hole diameters, etc.

[0003] At present, the existing detection method is to use a specific gauge corresponding to each parameter to detect the holes in turn, but the manual detection of the quality of the parts is low in efficiency and cannot meet the production requirements, and there is also a risk of missed detection. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an automobile parts detection equipment, which can automatically detect the parameters of the parts, improve the detection efficiency and meet the production requirements.

[0005] The utility model realizes the following technical schemes:

[0006] An automobile parts detection equipment is used for detecting different parameters of the parts, at least one circular hole is provided on the parts, and the detection equipment comprises:

[0007] a workbench,

[0008] a positioning tool fixed to the workbench and used for fixing and supporting the parts to be detected;

[0009] a hole diameter measuring module fixed to the workbench and used for measuring the diameter of the circular hole of the parts fixed to the positioning tool;

[0010] The hole diameter measuring module comprises an air bag piece, a support piece provided on the air bag piece and a first sensor provided on the support piece and facing the inner wall of the circular hole, the number of the first sensors is at least three, the three first sensors are arranged at intervals along the circumference of the circular hole, the air bag piece is connected with an air source for inflating the air bag piece, the air bag piece drives the support piece to move radially, the three first sensors all abut against the inner side wall of the parts to obtain and feed back three detection point parameters; and

[0011] a controller in signal connection with the positioning tool and the hole diameter measuring module.

[0012] Further, the hole diameter measuring module further comprises a driving assembly and a plurality of measuring assemblies, each measuring assembly is composed of a first sensor and a support piece, and the driving assembly is fixed to the workbench and drives the measuring assemblies to extend into the circular hole.

[0013] Further, the at least one circular hole includes a first circular hole and a second circular hole, and the specific number of the hole diameter measuring modules is two, wherein the first circular hole and the second circular hole are arranged on two different structure surfaces, and the two hole diameter measuring modules are respectively used for detecting the first circular hole and the second circular hole.

[0014] The detection device further includes a distance detection module fixed to the workbench and used for detecting the distance between the step surface and the end surface in the inner cavity of the part fixed to the positioning tooling;

[0015] Further, the step surface is located in the first circular hole, and the distance detection module is installed on the hole diameter measuring module used for detecting the first circular hole.

[0016] The detection device further includes a thread detection module fixed to the workbench and used for detecting the quality of the threaded hole of the part fixed to the positioning tooling;

[0017] Further, the structure surface on which the first circular hole is formed is further provided with a threaded hole, and the thread detection module is installed on the hole diameter measuring module used for detecting the first circular hole.

[0018] Further, the thread detection module includes a motor and a first detection head with external threads, and the motor drives the first detection head to rotate and is matched with the threaded hole.

[0019] Further, the thread detection module further includes a torque sensor, and the torque sensor is used for detecting the rotation torque output by the motor.

[0020] Further, the positioning tooling includes a feeding plate and a coarse positioning assembly, the feeding plate has a supporting portion for placing the part, and the coarse positioning assembly is arranged on the feeding plate and is arranged circumferentially, the coarse positioning assembly is arranged on the circumferential outer side of the part, and the coarse positioning assembly is in clearance fit and / or transition fit with the part.

[0021] Further, the positioning tooling further includes a bottom plate, a fine positioning assembly, and a lifting cylinder, the fine positioning assembly is arranged on the bottom plate, the feeding plate is slidably sleeved on the fine positioning assembly, and the lifting cylinder drives the feeding plate to move downward so that the part placed on the feeding plate is supported on the fine positioning assembly.

[0022] Further, the fine positioning assembly includes a fine positioning pin and a fine positioning column, when the part is supported on the fine positioning assembly, the fine positioning pin is matched with the second positioning hole of the part, and the fine positioning column abuts against the lower end surface of the part.

[0023] Further, the bottom plate is further provided with a pressing cylinder, an output end of the pressing cylinder is provided with a pressing head, the pressing head corresponds to the position of the fine positioning column and is used for pressing and fixing the part supported on the fine positioning assembly.

[0024] Further, the inner hole is further formed on the part, and the detection equipment further comprises a hole diameter detection assembly, the hole diameter detection assembly is fixed on the workbench and comprises a third cylinder and a third detection head, the third cylinder drives the third detection head to extend into the inner hole to detect the hole diameter of the inner hole.

[0025] Further, the third positioning hole is further formed on the part, and the detection equipment further comprises a hole diameter positioning assembly, the hole diameter positioning assembly is fixed on the workbench and comprises a fourth cylinder and a fourth detection head, the fourth cylinder drives the fourth detection head to extend into the third positioning hole to determine the position of the part.

[0026] Further, the detection equipment further comprises a marking assembly, the marking assembly is fixed on the workbench, and the marking assembly comprises a fifth cylinder and a marking knife, when the parameters of the part are detected to be qualified, the fifth cylinder drives the marking knife to mark a horizontal bar on the marking area of the part.

[0027] Compared with the prior art, the utility model has the advantages that:

[0028] 1. The parameters of the part are automatically detected by using the hole diameter measurement module, the thread detection module and the distance detection module, manual detection by using a detection tool is not needed, the detection efficiency is improved, and the yield requirement is met.

[0029] 2. The part is positioned by using the coarse positioning assembly and the fine positioning assembly in sequence, high-precision positioning is realized, the precision of detection is improved, and the detection result is prevented from being affected by the error of the placement position.

[0030] 3. The horizontal bar is marked on the qualified product by using the marking assembly, and the qualified product is prevented from being confused with the unqualified product DRAWINGS

[0031] Figure 1 It is a three-dimensional assembly view of the automobile part detection equipment of an embodiment of the utility model;

[0032] Figure 2 It is a three-dimensional assembly view of the automobile part detection equipment of an embodiment of the utility model;

[0033] Figure 3 It is a structure schematic of the positioning tool Figure 2 ;

[0034] Figure 4 It is a structure schematic of the positioning tool Figure 2 ;

[0035] Figure 5 It is a structure schematic of the hole diameter measurement module;

[0036] Figure 6 It is Figure 4 the enlarged view of A part in the middle;

[0037] Figure 7 Structure diagram of thread detection module and distance detection module;

[0038] Figure 8 Structure diagram of thread detection module and distance detection module; Figure 6 Enlarged view of part B in the middle;

[0039] Figure 9 Structure diagram of aperture positioning assembly and marking assembly;

[0040] Figure 10 Structure diagram of aperture positioning assembly and marking assembly; Figure 2 Enlarged view of part C in the middle.

[0041] Label explanation: 1, rack; 10, workbench; 11, first start switch; 12, second start switch; 13, alarm; 14, display screen; 2, positioning tooling; 20, bottom plate; 21, feeding plate; 22, coarse positioning assembly; 221, coarse positioning pin; 222, coarse positioning block; 23, fine positioning assembly; 231, fine positioning pin; 232, fine positioning column; 24, lifting cylinder; 25, pressing cylinder; 251, pressing head; 3, aperture measurement module; 31, driving assembly; 311, mounting piece; 312, fixed block; 313, slide rail; 314, slide table; 315, first cylinder; 316, first groove; 317, second groove; 318, first mounting hole; 32, measurement assembly; 321, first sensor; 322, support piece; 323, measurement base body; 4, thread detection module; 41, motor; 42, first detection head; 43, torque sensor; 44, connecting block; 5, distance detection module; 51, distance sensor; 52, second detection head; 6, aperture detection assembly; 61, mounting bracket; 62, second cylinder; 63, third cylinder; 64, third detection head; 65, mounting plate; 71, aperture positioning assembly; 711, fourth cylinder; 712, fourth detection head; 713, first fixed seat; 72, marking assembly; 721, fifth cylinder; 722, marking knife; 723, second fixed seat; 8, parts; 80, marking area; 811, first circular hole; 812, second circular hole; 82, thread hole; 83, inner cavity; 84, step surface; 85, inner hole; 88, structure surface; 89, third positioning hole. DETAILED DESCRIPTION

[0042] The technical solutions of the utility model are further and non-restrictively described in detail below in combination with the preferred embodiments and the drawings. In the description of the utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise explicitly specified. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0043] As shown in Figure 1 and Figure 2 , an automobile part detection equipment of an embodiment of the utility model, for detecting different parameters of the part 8, and the different parameters are the quality of the threaded hole 82, the diameter of the round hole, the size distance and the like. At least one round hole is formed on the part 8, and the detection equipment comprises a rack 1, a positioning tool 2, a hole diameter measuring module 3 and a controller (not shown in the figure). Wherein, the rack 1 is provided with a workbench 10. The positioning tool 2 is fixed on the workbench 10 and is used for fixing and supporting the part 8 to be detected; the hole diameter measuring module 3 is fixed on the workbench 10 and is used for measuring the diameter of the round hole of the part 8 fixed on the positioning tool 2; the hole diameter measuring module 3 comprises an air bag piece (not shown in the figure), a support piece 322 arranged on the air bag piece and a first sensor 321 arranged on the support piece 322 and facing the inner wall of the round hole, and the number of the first sensor 321 is at least three. Wherein, the three first sensors 321 are arranged at intervals along the circumference of the round hole, the air bag piece is connected with an air source for inflating it, the air bag piece drives the support piece 322 to move radially, and the three first sensors 321 all abut the inner side wall of the part 8 to obtain and feed back three detection point parameters. The controller is signal connected with the positioning tool 2 and the hole diameter measuring module 3 at the same time, receives the three detection point parameters, and obtains the diameter of the round hole according to the circular pattern drawn according to the three detection point parameters. By using the hole diameter measuring module 3 to automatically detect the diameter of the round hole of the part 8, manual detection with a gauge is not needed, the detection efficiency is improved, the yield requirement is met, and the problem of missed detection risk in manual detection is solved.

[0044] As shown in Figure 3 and Figure 4As shown, the positioning tool 2 comprises a bottom plate 20, a feeding plate 21, a coarse positioning assembly 22 and a fine positioning assembly 23. Among them, the bottom plate 20 is detachably mounted on the workbench 10, the fine positioning assembly 23 is arranged on the bottom plate 20, and the feeding plate 21 has a support part for placing the parts 8, and the coarse positioning assembly 22 is arranged on the feeding plate 21 and arranged circumferentially, the coarse positioning assembly 22 is arranged corresponding to the circumferential outer side of the parts 8, and the coarse positioning assembly 22 is clearance fit and / or transition fit with the parts 8. Specifically, the coarse positioning assembly 22 comprises a coarse positioning pin 221 and a coarse positioning block 222, when initially positioned, the coarse positioning pin 221 is matched with the first positioning hole (not shown in the figure) of the parts 8, and the coarse positioning block 222 is in contact with the outer side wall and the lower end face of the parts 8 at the same time.

[0045] The positioning tool 2 further comprises a lifting cylinder 24. The lifting cylinder 24 is mounted on the lower end face of the bottom plate 20, and the piston rod (not shown in the figure) of the lifting cylinder 24 is fixedly connected with the feeding plate 21 through the bottom plate 20. The lifting cylinder 24 is electrically connected with the controller and drives the feeding plate 21 to move downward so that the parts 8 placed on the feeding plate 21 are supported on the fine positioning assembly 23.

[0046] Further referring to Figure 4 , the fine positioning assembly 23 comprises a fine positioning pin 231 and a fine positioning column 232, when the parts 8 are supported on the fine positioning assembly 23, the fine positioning pin 231 is matched with the second positioning hole of the parts 8, and the fine positioning column 232 is in contact with the lower end face of the parts 8. By using the fine positioning assembly 23 to accurately position the parts 8, the probability of qualified products being misjudged as unqualified products is reduced.

[0047] The bottom plate 20 is also provided with a pressing cylinder 25 electrically connected with the controller, and the output end of the pressing cylinder 25 is provided with a pressing head 251 corresponding to the position of the fine positioning column 232 and used for tightly fixing the parts 8 supported on the fine positioning assembly 23. When the pressing cylinder 25 rotates and presses downward, the end of the pressing head 251 is located directly above the fine positioning column 232, so that the pressing is more firm.

[0048] As Figure 5 and Figure 6As shown, the aperture measurement module 3 further comprises a driving assembly 31 fixed on the workbench 10 and driving the measurement assembly 32 to extend into the circular hole. Specifically, the driving assembly 31 comprises a mounting piece 311, a fixed block 312, a sliding rail 313, a sliding table 314 and a first cylinder 315. The sliding rail 313 is mounted on the workbench 10, the sliding table 314 is in sliding connection with the sliding rail 313, the first cylinder 315 is electrically connected with the controller and drives the sliding table 314 to slide on the sliding rail 313, the fixed block 312 is mounted on the sliding table 314, and the mounting piece 311 is fixedly connected with the fixed block 312 through screws (not shown in the figure). The first recess 316 is formed in the mounting piece 311, and the measurement assembly 32 is accommodated in the first recess 316, so as to prevent the measurement assembly 32 from colliding with the edge of the circular hole when extending into the circular hole, thereby preventing the measurement assembly 32 from being damaged.

[0049] Each measurement assembly 32 is composed of a first sensor 321 and a support 322. The support 322 is provided in one-to-one correspondence with the first sensor 321, and the fixed ends of the plurality of supports 322 are provided on the air bag member. The air bag member can radially drive the plurality of supports 322 to move outward synchronously during inflation. In this embodiment, the specific number of supports 322 and first sensors 321 is three.

[0050] When the air bag member is inflated to the first size, the first sensor 321 is in clearance fit with the inner side wall of the circular hole. When the air bag member is inflated to the first size, the air bag member radially drives the three supports 322 to move synchronously, thereby driving the three first sensors 321 to move radially, until the three first sensors 321 abut against the inner side wall of the circular hole, and the first sensor 322 is triggered to obtain and feedback three detection point parameters. The controller receives the three detection point parameters and obtains the diameter of the circular hole according to the circular pattern drawn by the three detection point parameters. By using the inflation of the air bag member 1 to synchronously drive the three sensors 322 to abut against the inner wall of the circular hole, the first sensor 322 is triggered to obtain three detection point parameters, and a circular pattern is drawn by the three detection point parameters to obtain the diameter of the circular hole, thereby improving the accuracy of diameter detection.

[0051] As shown in Figure 5 and Figure 7 At least one circular hole includes a first circular hole 811 and a second circular hole 812, and the specific number of aperture measurement modules 3 is two. The first circular hole 811 and the second circular hole 812 are arranged on two different structural surfaces 88, and the two aperture measurement modules 3 are respectively used to detect the first circular hole 811 and the second circular hole 812.

[0052] Further referring to Figure 7 and Figure 8, the detection device further comprises a thread detection module 4 fixed on the workbench 10 and used for detecting the quality of the threaded hole 82 of the part 8 fixed on the positioning tool 2. The threaded hole 82 is also formed in the structure surface 88 with the first circular hole 811, and the thread detection module 4 is installed on the hole diameter measuring module 3 used for detecting the first circular hole 811. Specifically, the thread detection module 4 is fixedly connected with the sliding table 314 of the hole diameter measuring module 3 used for detecting the first circular hole 811 through the connecting block 44.

[0053] The thread detection module 4 comprises a motor 41 and a first detection head 42 with external threads. The motor 41 drives the first detection head 42 to rotate and is matched with the threaded hole 82. Specifically, the motor 41 is installed on the connecting block 44, and the second recess 317 is formed in the mounting part 311, and the first detection head 42 is accommodated in the second recess 317.

[0054] The thread detection module 4 further comprises a torque sensor 43 electrically connected with the controller and used for detecting the rotating torque output by the motor 41. When the rotating torque exceeds a preset value, the motor 41 is reversed and drives the first detection head 42 to perform the rotating-out operation, and it is judged that the quality of the threaded hole 82 is unqualified; otherwise, when the rotating torque does not exceed the preset value, the motor 41 drives the first detection head 42 to rotate to a preset depth, and then the motor 41 is reversed and drives the first detection head 42 to perform the rotating-out operation, and it is judged that the quality of the threaded hole 82 is qualified.

[0055] Referring again to Figure 7 and Figure 8 , the detection device further comprises a distance detection module 5 fixed on the workbench 10 and used for detecting the distance between the stepped surface 84 in the inner cavity 83 of the part 8 fixed on the positioning tool 2 and the end surface. The stepped surface 84 is located in the first circular hole 811, and the distance detection module 5 is installed on the hole diameter measuring module 3 used for detecting the first circular hole 811, so that the distance detection module 5 is used for detecting the distance between the stepped surface 84 and the structure surface 88. Specifically, the mounting part 311 is also provided with a first mounting hole 318, and the distance detection module 5 is accommodated in the first mounting hole 318, and the distance detection module 5 comprises a distance sensor 51 and a second detection head 52, wherein the second detection head 52 penetrates through the first mounting hole 318 and points to the stepped surface 84, and the distance sensor 51 is electrically connected with the controller and used for detecting the distance between the stepped surface 84 and the structure surface 88.

[0056] As Figure 2 and Figure 10As shown, the inner hole 85 is also formed on the part 8, and the detection device further comprises a hole diameter detection assembly 6 fixed on the workbench 10 and comprising a third cylinder 63 and a third detection head 64. The third cylinder 63 is electrically connected with the controller and drives the third detection head 64 to extend into the inner hole 85 to detect the hole diameter of the inner hole 85. Specifically, the hole diameter detection assembly 6 is fixedly connected with the workbench 10 through a mounting bracket 61, and further comprises a second cylinder 62 and a mounting plate 65. The second cylinder 62 is fixed on the mounting bracket 61 and drives the mounting plate 65 to move in the vertical direction, and the third cylinder 63 is fixedly connected to the bottom of the mounting plate 65. When the inner diameter of the inner hole 85 is qualified, the third cylinder 63 can drive the third detection head 64 to smoothly extend into the inner hole 85 according to the preset depth; when the inner diameter of the inner hole 85 is unqualified, the third cylinder 63 drives the third detection head 64 to move, which will be blocked by the inner hole 85 and cannot smoothly extend into the inner hole 85 according to the preset depth. The mounting bracket 61 is used to fix the hole diameter detection assembly 6 to prevent interference between the upper and lower parts.

[0057] As shown in Figure 9 , a third positioning hole 89 is also formed on the part 8, and the detection device further comprises a hole diameter positioning assembly 71 fixed on the workbench 10 through a first fixing seat 713 and comprising a fourth cylinder 711 and a fourth detection head 712. The fourth cylinder 711 drives the fourth detection head 712 to extend into the third positioning hole 89 to determine the position of the part 8 and prevent missed detection.

[0058] Further, the detection device further comprises a marking assembly 72 fixed on the workbench 10 through a second fixing seat 723 and comprising a fifth cylinder 721 and a marking knife 722. When the parameter detection of the part 8 is qualified, the fifth cylinder 721 drives the marking knife 722 to mark a horizontal bar on the marking area 80 of the part 8, and when the parameter detection of the part 8 is unqualified, the detection device issues an alarm. By marking a horizontal bar on the qualified product, it is prevented from being confused with unqualified products.

[0059] Again referring to Figure 1 , the rack 1 is further provided with a first start switch 11, a second start switch 12, an alarm 13 and a display screen 14. The controller is electrically connected with the first start switch 11 and the second start switch 12 at the same time, and when the first start switch 11 and the second start switch 12 are pressed at the same time, the detection device is started to prevent false touch and ensure safety. The alarm 13 is electrically connected with the controller and issues an alarm when the part 8 has a missed machining process or unqualified parameters. The display screen 14 is electrically connected with the controller and is used to display the detection results in real time.

[0060] In use, first, the operator places the part 8 to be detected on the loading plate 21 along the coarse positioning assembly 22, and simultaneously presses the first start switch 11 and the second start switch 12 to start the detection device. Second, the lifting cylinder 24 drives the loading plate 21 to move downward so that the part 8 placed on the loading plate 21 is supported on the fine positioning assembly 23. When the fine positioning pin 231 is matched with the second positioning hole of the part 8, and the fine positioning column 232 abuts against the lower end surface of the part 8, the lifting cylinder 24 drives the loading plate 21 to continue to move downward so that the loading plate 21 is separated from the part 8. The pressing cylinder 25 rotates and presses downward to press and fix the part 8 supported on the fine positioning assembly 23. After the pressing is completed, the fourth cylinder 711 drives the fourth detection head 712 to extend into the third positioning hole 89 to determine the position of the part 8, preventing missed detection. Then, the hole diameter measurement module 3, the thread detection module 4, the distance detection module 5 and the hole diameter detection assembly 6 sequentially automatically detect the part 8. The detection device judges whether the detected parameters are qualified, and the detection information is displayed on the display screen 14 in real time. If the parameter detection of the part 8 is qualified, the marking assembly 72 marks a horizontal bar on the marking area 80 of the part 8; if the parameter detection of the part 8 is unqualified, the alarm 13 issues an alarm to remind the operator to scrap the part 8. Finally, after the measurement is completed, the detection device is automatically reset, and the operator manually takes down the detected part 8 and prepares for the next measurement.

[0061] The automobile part detection device in one embodiment of the utility model, through using hole diameter measurement module 3, thread detection module 4 and distance detection module 5, the parameter of part 8 is automatically detected, and manual detection using a gauge is not needed, the detection efficiency is improved, the yield requirement is met, the problem of missed detection risk in manual detection is solved, and the labor cost is reduced. Through using coarse positioning assembly 22 and fine positioning assembly 23, the part 8 is positioned in sequence, high-precision positioning is realized, the precision of detection is improved, and the detection result is prevented from being affected by the error of the placement position. Through using marking assembly 72, a horizontal bar is marked on the qualified product, and the qualified product is prevented from being confused with unqualified products.

[0062] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it can not be understood as the limitation of the patent range of the utility model. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a plurality of modifications and improvements can be made, and these all belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An automotive component inspection apparatus for detecting a parameter of a component (8), characterized in that, At least one round hole is formed on the component (8), and the detection device comprises: a workbench (10), a positioning tool (2) fixed on the workbench (10) and used for fixing and supporting the component (8) to be detected; a hole diameter measuring module (3) fixed on the workbench (10) and used for measuring the diameter of the round hole of the component (8) fixed on the positioning tool (2); the hole diameter measuring module (3) comprises an air bag, a support (322) arranged on the air bag, and a first sensor (321) arranged on the support (322) and facing the inner wall of the round hole, the number of the first sensor (321) is at least three, the three first sensors (321) are arranged at intervals along the circumference of the round hole, the air bag is connected with an air source for inflating, the air bag drives the support (322) to move radially, and the three first sensors (321) abut against the inner side wall of the component (8) to obtain and feed back three detection point parameters; and a controller connected with the positioning tool (2) and the hole diameter measuring module (3) simultaneously.

2. The automobile parts inspection apparatus according to claim 1, wherein The hole diameter measuring module (3) further comprises a driving assembly (31) and a plurality of measuring assemblies (32), each measuring assembly (32) is composed of the first sensor (321) and the support (322), and the driving assembly (31) is fixed on the workbench (10) and drives the measuring assembly (32) to extend into the round hole.

3. The automotive parts inspection apparatus according to claim 1, characterized by At least one round hole comprises a first round hole (811) and a second round hole (812), and the specific number of the hole diameter measuring module (3) is two, wherein the first round hole (811) and the second round hole (812) are arranged on two different structure surfaces (88), and the two hole diameter measuring modules (3) are respectively used for detecting the first round hole (811) and the second round hole (812).

4. The automotive parts inspection apparatus according to claim 3, wherein The detection device further comprises a distance detection module (5) fixed on the workbench (10) and used for detecting the distance between the step surface (84) and the end surface in the inner cavity (83) of the component (8) fixed on the positioning tool (2).

5. The automotive parts inspection apparatus according to claim 4, wherein The step surface (84) is located in the first round hole (811), and the distance detection module (5) is installed on the hole diameter measuring module (3) used for detecting the first round hole (811).

6. The automotive parts inspection apparatus according to claim 3, wherein The detection device further comprises a thread detection module (4) fixed on the workbench (10) and used for detecting the quality of the threaded hole (82) of the component (8) fixed on the positioning tool (2).

7. The automotive parts inspection apparatus according to claim 6, wherein The threaded hole (82) is also formed on the structure surface (88) on which the first round hole (811) is formed, and the thread detection module (4) is installed on the hole diameter measuring module (3) used for detecting the first round hole (811).

8. The automotive parts inspection apparatus according to claim 7, wherein The thread detection module (4) comprises a motor (41) and a first detection head (42) with external threads, the motor (41) drives the first detection head (42) to rotate and is matched with the threaded hole (82).

9. The automotive parts inspection apparatus according to claim 8, wherein The thread detection module (4) further comprises a torque sensor (43) for detecting the rotating torque output by the motor (41).

10. The automotive parts inspection apparatus according to claim 1, characterized by The positioning tool (2) comprises a feeding plate (21) and a coarse positioning assembly (22), the feeding plate (21) has a support portion for placing the part (8), and the coarse positioning assembly (22) is arranged on the feeding plate (21) and is arranged circumferentially, the coarse positioning assembly (22) is arranged on the circumferential outer side of the part (8) in a corresponding manner, and the coarse positioning assembly (22) is in clearance fit and / or transition fit with the part (8).

11. The automotive parts inspection apparatus according to claim 10, wherein The positioning tool (2) further comprises a bottom plate (20), a fine positioning assembly (23), and a lifting cylinder (24), the fine positioning assembly (23) is arranged on the bottom plate (20), the feeding plate (21) is slidably sleeved on the fine positioning assembly (23), and the lifting cylinder (24) drives the feeding plate (21) to move downward so that the part (8) placed on the feeding plate (21) is supported on the fine positioning assembly (23).

12. The automotive parts inspection apparatus according to claim 11, wherein The fine positioning assembly (23) comprises a fine positioning pin (231) and a fine positioning column (232), when the part (8) is supported on the fine positioning assembly (23), the fine positioning pin (231) is matched with the second positioning hole of the part (8), and the fine positioning column (232) abuts against the lower end face of the part (8).

13. The automotive parts inspection apparatus according to claim 12, wherein The bottom plate (20) is further provided with a pressing cylinder (25), an output end of the pressing cylinder (25) is provided with a pressing head (251), the pressing head (251) corresponds to the position of the fine positioning column (232) and is used for pressing and fixing the part (8) supported on the fine positioning assembly (23).

14. The automotive parts inspection apparatus according to claim 1, characterized by The part (8) is further provided with an inner hole (85), and the detection equipment further comprises a hole diameter detection assembly (6), the hole diameter detection assembly (6) is fixed on the workbench (10) and comprises a third cylinder (63) and a third detection head (64), the third cylinder (63) drives the third detection head (64) to extend into the inner hole (85) to detect the hole diameter of the inner hole (85).

15. The automotive parts inspection apparatus according to claim 1, characterized by The part (8) is further provided with a third positioning hole (89), and the detection equipment further comprises a hole diameter positioning assembly (71), the hole diameter positioning assembly (71) is fixed on the workbench (10) and comprises a fourth cylinder (711) and a fourth detection head (712), the fourth cylinder (711) drives the fourth detection head (712) to extend into the third positioning hole (89) to determine the position of the part (8).

16. The automotive parts inspection apparatus according to claim 1, characterized by The detection equipment further comprises a marking assembly (72) fixed on the workbench (10), and the marking assembly (72) comprises a fifth cylinder (721) and a marking cutter (722), and when the parameter detection of the part (8) is qualified, the fifth cylinder (721) drives the marking cutter (722) to mark a horizontal bar mark on a marking area (80) of the part (8).

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