High-efficiency go-no go gauge detection machine

Abstract

The utility model discloses a high-efficiency go-no go gauge detection machine. The device comprises at least one vibration disc for outputting workpieces in the same state, a plurality of conveying runners arranged at the output end of the vibration disc, and detection devices arranged at the output tail ends of the conveying runners. The non-defective product receiving device is used for receiving workpieces which are detected to be qualified by all the detection devices; the defective product receiving conveying line is used for receiving workpieces which are detected to be unqualified by all the detection devices; the detection device comprises an index plate, a driving module for driving the index plate to rotate, a pressing module which is arranged on the periphery of the index plate, is arranged in the conveying direction of the workpiece and is used for pressing the workpiece, and a detection mechanism which is arranged above the pressing module and is used for carrying out go-no go gauge detection on the workpiece. The waste kicking module is used for removing unqualified workpieces; and the material receiving module is used for taking down qualified workpieces. According to the utility model, a plurality of workpieces can be detected at the same time, and the detection efficiency of the go-no go gauge is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to threaded hole detection technical field, especially, relate to a high -efficient go -no go gauge detection machine. BACKGROUND

[0002] The nut needs to detect the go -no go gauge after production, and the go -no go gauge detection is detected to the threaded hole process flow, in the threaded hole detection process of existing, generally utilizes the go -no go gauge head and the go gauge head and detects, judges whether the go -no go gauge head can pass through the threaded hole, and then the qualified condition of threaded hole is obtained. The traditional go -no go gauge rotates into the action and is generally completed by manual tool, and the detection mode is inefficient, and the labor cost is higher, which is difficult to meet the detection demand. In the prior art, various go -no go gauge detection machines are designed, for example, the threaded go -no go gauge detection machine disclosed in Chinese patent publication No. CN118616352A adopts a divider and a multi -station turntable mechanism to detect the go -no go gauge, but only one workpiece can be detected at a time in the scheme, the detection efficiency is low, and the production demand cannot be met.

[0003] Therefore, it is necessary to provide a high -efficient go -no go gauge detection machine to solve the above technical problems. CONTENT OF UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of high -efficient go -no go gauge detection machine, can simultaneously detect multiple workpieces, improve the efficiency of go -no go gauge detection.

[0005] The utility model realizes the above-mentioned purposes by the following technical schemes: a kind of high -efficient go -no go gauge detection machine, it includes the at least one vibration disc of output same state workpiece, several conveying flow channels are set in the vibration disc output end, detection device is set in the output end of each conveying flow channel, receiving all the good product receiving device of the workpiece detected as qualified by the detection device and the substandard product receiving conveying line of receiving all the workpiece detected as unqualified by the detection device;

[0006] The detection device includes a protractor, a driving module that drives the protractor to rotate, a compression module that compresses the workpiece along the workpiece conveying direction is arranged on the outer periphery of the protractor, a detection mechanism that detects the go -no go gauge of the workpiece is arranged above the compression module, a kick -out module that rejects unqualified workpieces, and a material receiving module that removes qualified workpieces.

[0007] Further, the good product receiving device includes a conveying line that receives and conveys qualified workpieces, and a material receiving box is arranged at the conveying end of the conveying line, the conveying line includes a first conveying line and a second conveying line that are opposite to each other and have opposite conveying directions, and the material receiving box is located below the conveying ends of the first conveying line and the second conveying line and simultaneously receives the workpieces on the first conveying line and the second conveying line.

[0008] Further, the outer periphery of the index plate is provided with a plurality of clamping grooves for clamping workpieces at equal angles, and arc-shaped limiting plates for preventing the workpieces from falling are arranged on the outer periphery of the index plate from the feeding station, the detection station, the kick-out station to the collecting station, and the arc-shaped limiting plates on the kick-out station and the collecting station are provided with avoiding openings for facilitating the removal of the workpieces.

[0009] Further, the pressing module comprises a pressing cylinder, a pressing rod driven by the pressing cylinder to move radially along the index plate and used for pressing the workpieces on the outer periphery of the workpieces, and a profiling groove is arranged on the pressing rod and is profiled with the outer periphery of the workpieces.

[0010] Further, the detection mechanism comprises a first cylinder, a first supporting plate driven by the first cylinder to move up and down, a rotary motor arranged on the first supporting plate, a first rotary shaft driven by the rotary motor to rotate, a second rotary shaft movably arranged inside the lower end of the first rotary shaft, a detection head arranged at the bottom of the second rotary shaft, and an elastic module sleeved on the outer periphery of the second rotary shaft.

[0011] Further, the lower end of the first rotary shaft is provided with an avoiding gap for the up-and-down movement of the second rotary shaft, the second rotary shaft is movably arranged inside the first rotary shaft through a transverse supporting shaft, and a waist-shaped opening is arranged on the outer periphery of the first rotary shaft at the avoiding gap for the up-and-down movement of the supporting shaft.

[0012] Further, the elastic module comprises a flange ring movably sleeved on the second rotary shaft and an elastic piece sleeved on the second rotary shaft, the lower end of the elastic piece is connected to the flange ring, the upper end of the elastic piece abuts against the bottom of the first rotary shaft, and a limiting cylinder is arranged below the flange ring for limiting the lower end of the flange ring; a sensor is arranged beside the flange ring for sensing the position of the flange ring.

[0013] Further, the kick-out module comprises a first material receiving box and a first air nozzle arranged on the first material receiving box and used for blowing the unqualified workpieces on the index plate into the first material receiving box, and the lower end of the first material receiving box is open, all the lower ends of the first material receiving boxes are located above the defective product receiving conveying line and are in communication with the defective product receiving conveying line.

[0014] Further, the collecting module comprises a second material receiving box and a second air nozzle arranged on the second material receiving box and used for blowing the qualified workpieces on the index plate into the second material receiving box, and the lower ends of all the second material receiving boxes are inserted into the conveying line and are in communication with the conveying line.

[0015] Compared with the prior art, the high-efficiency go-no-go gauge detection machine has the beneficial effects that

[0016] (1) The scheme is provided with at least one vibration disc, a plurality of conveying flow channels are arranged at the output end of each vibration disc, a detection device is arranged at the output end of each conveying flow channel, one vibration disc corresponds to a plurality of detection devices, the vibration disc can output a plurality of workpieces at the same time, the plurality of detection devices can detect the plurality of workpieces at the same time, and the efficiency of go-no-go gauge detection can be improved;

[0017] (2) The kick-off module arranged on the plurality of detection devices is communicated to the defective product receiving conveying line, the material receiving module arranged on the plurality of detection devices is communicated to the good product receiving device, the defective product receiving conveying line can convey away a plurality of unqualified workpieces on the kick-off modules at the same time, the good product receiving device can convey a plurality of qualified workpieces on the material receiving modules at the same time, the frequency of material receiving can be reduced, and the detection efficiency can be improved;

[0018] (3) The detection head can be a go gauge head for go gauge detection of the workpiece, and can also be a no gauge head for no gauge detection of the workpiece, the go gauge head and the no gauge head can be selected according to the thread hole detection requirements of the workpiece, the detection machine can be quickly changed, and therefore, the scheme has high universality and good flexibility, and can perform go gauge detection or no gauge detection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the high-efficiency go-no-go gauge detection machine of the utility model embodiment;

[0020] Figure 2 It is a three-dimensional structure schematic view of the high-efficiency go-no-go gauge detection machine of the utility model embodiment;

[0021] Figure 3 It is a three-dimensional structure schematic view of the high-efficiency go-no-go gauge detection machine of the utility model embodiment;

[0022] Figure 4 It is a three-dimensional structure schematic view of the detection device of the utility model embodiment;

[0023] Figure 5 It is a three-dimensional structure schematic view of the pressing module of the utility model embodiment;

[0024] Figure 6 It is a three-dimensional structure schematic view of the detection mechanism of the utility model embodiment;

[0025] Figure 7 It is a three-dimensional structure schematic view of the detection mechanism of the utility model embodiment;

[0026] The numbers in the figure represent:

[0027] 100-high efficiency go-no-go gauge detection machine, 200-detection device;

[0028] 1-vibration disc; 2-conveying flow channel;

[0029] 3-good product receiving device, 31-conveying line, 311-first conveying line, 3111-motor, 3112-first transmission shaft, 3113-second transmission shaft, 3114-conveying belt, 3115-limiting plate, 312-second conveying line, 32-receiving box;

[0030] 4-defective product receiving conveying line;

[0031] 5-index plate, 51-clamping groove, 52-arc-shaped limiting plate, 53-avoidance opening;

[0032] 6-driving module;

[0033] 7-pressing module, 71-pressing cylinder, 72-pressing rod, 73-profiling groove;

[0034] 8-detection mechanism, 81-first cylinder, 82-first supporting plate, 821-supporting block, 822-receiving groove, 83-rotary motor, 84-first rotary shaft, 841-avoidance gap, 842-waist-shaped opening, 85-second rotary shaft, 851-supporting shaft, 86-detection head, 87-flange ring, 88-bearing, 89-limiting cylinder, 810-sensor;

[0035] 9-kicking-out module, 91-first receiving box, 92-first air nozzle;

[0036] 10-receiving module, 101-second receiving box, 102-second air nozzle;

[0037] 30-straight vibration module.

DETAILED DESCRIPTION

[0038] Please refer to Figures 1-7 The embodiment is a high-efficiency go-no-go gauge detection machine. The high-efficiency go-no-go gauge detection machine 100 comprises at least one vibration disc 1 outputting the same state workpiece, a plurality of conveying flow channels 2 arranged at the output end of the vibration disc 1, a detection device 200 arranged at the output end of each conveying flow channel 2, a good product receiving device 3 receiving all qualified workpieces detected by the detection device 200, and a defective product receiving conveying line 4 receiving all unqualified workpieces detected by the detection device 200. The detection device 200 comprises an index plate 5, a driving module 6 driving the rotation of the index plate 5, a pressing module 7 arranged on the outer periphery of the index plate 5 and pressing the workpiece in the conveying direction of the workpiece, a detection mechanism 8 arranged above the pressing module 7 and detecting the go-no-go gauge of the workpiece, a kicking-out module 9 removing the unqualified workpiece, and a receiving module 10 taking out the qualified workpiece.

[0039] In the embodiment, the output end of each vibration disc 1 is provided with four independent conveying channels 2, the output end of each conveying channel 2 is provided with a detection device 200, and the four detection devices 200 are arranged in a straight line. Correspondingly, the four independent conveying channels 2 can be linear or arc-shaped, which can be determined according to the actual space. In addition, the scheme is provided with two vibration discs 1, and the two vibration discs 1 are arranged in parallel. Therefore, a total of eight detection devices 200 are arranged to detect the workpieces. The eight detection devices 200 are arranged in a straight line. The good product receiving device 3 needs to receive the workpieces that are qualified by all the detection devices 200. The defective product receiving conveying line 4 needs to receive the workpieces that are unqualified by all the detection devices 200. Therefore, the layout of the good product receiving device 3 and the defective product receiving conveying line 4 is consistent with the layout of the eight detection devices 200, and the good product receiving device 3 and the defective product receiving conveying line 4 are also arranged in parallel. The scheme can detect eight workpieces at a time, which can greatly improve the detection efficiency.

[0040] In other embodiments, the number of vibration discs 1 and the number of conveying channels 2 arranged at the output end of each vibration disc 1 are determined according to the actual detection rhythm.

[0041] The lower side of each conveying channel 2 is provided with a straight vibration module 30 for conveying the workpieces in the conveying channel 2 to the indexing disc 1.

[0042] The good product receiving device 3 includes a conveying line 31 for receiving and conveying qualified workpieces and a material receiving box 32 arranged at the conveying end of the conveying line 31. The conveying line 31 includes a first conveying line 311 and a second conveying line 312 which are opposite to each other and have opposite conveying directions. The first conveying line 311 is used for receiving qualified workpieces of the four detection devices 200 on the left side. The second conveying line 312 is used for receiving qualified workpieces of the four detection devices 200 on the right side. The conveying directions of the first conveying line 311 and the second conveying line 312 are opposite. The material receiving box 32 is located below the conveying ends of the first conveying line 311 and the second conveying line 312, and is used for receiving qualified workpieces on the first conveying line 311 and the second conveying line 312.

[0043] The first conveying line 311, the second conveying line 312 and the defective product receiving conveying line 4 each include a motor 3111, a first transmission shaft 3112 and a second transmission shaft 3113. The first transmission shaft 3112 and the second transmission shaft 3113 are connected by a conveying belt 3114 to realize rotary transmission. The detected workpieces fall onto the conveying belt 3114 and are conveyed away. In order to prevent the workpieces on the conveying belt 3114 from falling off, limiting plates 3115 for preventing the workpieces from falling off are arranged on the front and back sides of the conveying belt 3114.

[0044] The outer periphery of the index plate 5 is provided with a plurality of clamping grooves 51 at equal angles, and when the workpiece is vertically accommodated in the clamping groove 51, the top flange end of the workpiece is supported on the upper surface of the index plate 5, and the lower part of the workpiece is clamped in the clamping groove 51. The outer periphery of the index plate 5 is provided with a workpiece feeding station, a detection station, a kick-off station and a material collecting station along the conveying direction of the workpiece, and the conveying flow channel 2 is connected to the feeding station at the end, the pressing die set 7 and the detection mechanism 8 are located at the detection station, the kick-off die set 9 is located at the kick-off station, and the material collecting die set 10 is located at the material collecting station; since the workpiece is clamped around the clamping groove 51, the arc-shaped limiting plate 52 for preventing the workpiece from falling off is arranged on the outer periphery of the index plate 5 from the feeding station, the detection station, the kick-off station to the material collecting station, of course, the arc-shaped limiting plate 52 at the kick-off station and the material collecting station is provided with an avoidance opening 53 for facilitating the removal of the workpiece, so as to facilitate the removal of the workpiece on the index plate 5 by the kick-off die set 9 and the material collecting die set 10.

[0045] The pressing die set 7 comprises a pressing cylinder 71, a pressing rod 72 driven by the pressing cylinder 71 to move radially along the index plate 5 and used for pressing the outer periphery of the workpiece, and a profiling groove 73 provided on the pressing rod 72 and profiled with the outer periphery of the workpiece, the pressing rod 72 extends into the outer periphery of the workpiece and is pressed against the outer periphery of the workpiece.

[0046] The detection mechanism 8 comprises a first cylinder 81, a first supporting plate 82 driven by the first cylinder 81 to move up and down, a rotary motor 83 provided on the first supporting plate 82, a first rotary shaft 84 driven by the rotary motor to rotate around a vertical shaft, a second rotary shaft 85 movably arranged inside the lower end of the first rotary shaft 84, a detection head 86 provided at the bottom of the second rotary shaft 85, and an elastic module sleeved on the outer periphery of the second rotary shaft 85.

[0047] The lower end of the first rotary shaft 84 is provided with an avoidance gap 841 for the up-and-down movement of the second rotary shaft 85, the diameter of the first rotary shaft 84 is greater than the diameter of the second rotary shaft 85, the second rotary shaft 85 is movably arranged inside the first rotary shaft 84 through a transverse supporting shaft 851, and a waist-shaped opening 842 is provided on the outer periphery of the first rotary shaft 84 at the avoidance gap 841 for the up-and-down movement of the supporting shaft 851, in order to ensure the stability of the rotation of the first rotary shaft 84, the first supporting plate 82 extends a transverse supporting block 821, bearings 88 are arranged at the upper and lower ends of the first rotary shaft 84, and the first rotary shaft 84 is rotatably arranged on the supporting block 821 through the bearings 88.

[0048] The elastic module comprises a flange ring 87 movably sleeved on the second rotating shaft 85 and an elastic piece sleeved on the second rotating shaft 85, the lower end of the elastic piece is connected to the upper end of the flange ring 87, the upper end abuts against the bottom of the first rotating shaft 84, the second rotating shaft 85 is provided below the flange ring 87 with a limiting cylinder 89 for limiting the lower end of the flange ring 87, and the elastic piece is a spring or other elastic structural piece; the flange ring 87 is provided with a sensor 810 for sensing the position of the flange ring 87. In order to ensure that the elastic piece slips off the bottom of the first rotating shaft 84, the bottom of the supporting block 821 at the lower end is provided with a containing groove 822 for containing the elastic piece, the upper end surface of the elastic piece abuts against the bottom of the first rotating shaft 84 and the upper end outer periphery is limited in the containing groove 822, so that the slipping off of the upper end of the elastic piece is prevented.

[0049] The detection head 86 is matched with the threaded hole in the workpiece, the detection head 86 can be provided as a go gauge head for go gauge detection of the workpiece, and also can be provided with a no-go gauge head for no-go gauge detection of the workpiece, the go gauge head and the no-go gauge head are standard pieces, can be selected according to the thread diameter of the workpiece, and the detection machine can be quickly changed, so that the scheme has high universality and good flexibility, and can perform go gauge and no-go gauge detection.

[0050] The kick-out module 9 comprises a first material receiving box 91 and a first air nozzle 92 provided on the first material receiving box 91 and blowing the unqualified workpieces on the indexing disc 5 into the first material receiving box 91, the first material receiving box 91 is provided with an opening at the lower end, all the lower ends of the first material receiving boxes 91 are located above the defective product receiving conveying line 4 and are in communication with the defective product receiving conveying line 4, the first air nozzle 92 blows the unqualified workpieces into the first material receiving box 91, and the workpieces fall into the defective product receiving conveying line 4 from the first material receiving box 91. Since one kick-out module 9 is provided on each detection device 200, eight first material receiving boxes 91 are provided on the eight detection devices 200, and the unqualified workpieces blown into the eight first material receiving boxes 91 all fall into the defective product receiving conveying line 4, and are uniformly conveyed to the waste box through the defective product receiving conveying line.

[0051] The receiving module 10 comprises a second receiving box 101 and a second air nozzle 102 arranged on the second receiving box 101 and blowing the qualified workpiece on the indexing disc 5 into the second receiving box 101, the lower end of all the second receiving boxes 101 extends into and communicates with the conveying line 31, the second air nozzle 102 blows the qualified workpiece into the second receiving box 101, and the workpiece falls into the conveying line 31 from the second receiving box 101, since one receiving module 10 is arranged on each detection device 200, the four detection devices 200 on the left side have four second receiving boxes 101 in total, the qualified workpieces blown into the four second receiving boxes 101 all fall into the first conveying line 311, and are uniformly conveyed to the receiving box 32 through the first conveying line 311, similarly, the four detection devices 200 on the right side have four second receiving boxes 101 in total, the qualified workpieces blown into the four second receiving boxes 101 all fall into the second conveying line 312, and are uniformly conveyed to the receiving box 32 through the second conveying line 312, when the receiving box 32 is full, the qualified workpieces after detection can be taken away from the receiving box 32 at one time.

[0052] When the go gauge detection is performed by the high-efficiency go gauge detection machine 100, two vibration discs 1 simultaneously output workpieces in the same state, and the workpieces of each vibration disc 1 enter four conveying channels 2 respectively, the workpieces on the conveying channel 2 are conveyed to the clamping groove 51 on the indexing disc 5 by the straight vibration module 30 below each conveying channel 2, the indexing disc 5 is driven to rotate by the driving module 6, the workpiece is rotated to below the detection mechanism 8, the pressing rod 72 is driven by the pressing cylinder 71 to extend to the outer periphery of the indexing disc 5 and press on the outer periphery of the workpiece, the first support plate 82 is driven to descend by the first cylinder 81, the detection head 86 contacts the upper end of the workpiece, so that the second rotating shaft 85 rises in the avoiding gap 841, at this time, the flange ring 87 is pushed upward by the limiting cylinder 89, the elastic member is compressed, the first rotating shaft 84 drives the second rotating shaft 85 to rotate by the rotating motor 83, at the same time, the elastic member is stretched to push the flange ring 87 downward, so that the limiting cylinder 89 moves downward, so that the second rotating shaft 85 rotates and moves downward at the same time, so that the detection head 86 cooperates with the threaded hole in the workpiece and passes through the workpiece, and the go gauge detection of the workpiece is completed; if the detection head cannot pass through the workpiece, at this time, the flange ring 87 is not moved downward to the position, the sensor 810 cannot sense the flange ring 87, which indicates that the workpiece go gauge detection is unqualified, so that the first air nozzle 92 blows the unqualified workpiece into the first material receiving box 91, and the workpiece falls from the first material receiving box 91 to the defective product receiving conveying line 4; if the detection head 86 can pass through the workpiece, at this time, the flange ring 87 moves downward to the position, the sensor 810 senses the flange ring 87, which indicates that the workpiece go gauge detection is qualified, so that the second air nozzle 102 blows the qualified workpiece into the second material receiving box 101, and the workpiece falls from the second material receiving box 101 to the conveying line 31; eight detection devices 200 simultaneously work on the workpieces, and the go gauge detection of eight workpieces is simultaneously completed, so that the production efficiency is improved; if the workpiece needs to be stop gauge detection, the detection steps are similar to the above detection process, and will not be described here.

[0053] The above only describes some embodiments of the present application. Those skilled in the art can make some modifications and improvements without departing from the inventive concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A high-efficiency go / no-go gauge testing machine, characterized by: The system comprises at least one vibration plate for outputting workpieces in the same state, a plurality of conveying channels arranged at the output end of the vibration plate, a detection device arranged at the output end of each of the conveying channels, a good product receiving device for receiving all workpieces detected as qualified by the detection device, and a defective product receiving conveyor line for receiving all workpieces detected as unqualified by the detection device; The detection device includes a dividing plate, a driving module for driving the dividing plate to rotate, a clamping module arranged on the outer periphery of the dividing plate and along the workpiece conveying direction for clamping the workpiece, a detection mechanism arranged above the clamping module and performing a go / no-go gauge detection on the workpiece, a kicking module for rejecting unqualified workpieces, and a material receiving module for removing qualified workpieces.

2. The high-efficiency go / no-go gauge testing machine according to claim 1, characterized in that: The good product receiving device includes a conveyor line for receiving and conveying qualified workpieces and a material receiving box arranged at the conveying end of the conveyor line. The conveyor line includes a first conveyor line and a second conveyor line that are opposite to each other on the left and right and have opposite conveying directions. The material receiving box is located below the conveying ends of the first conveyor line and the second conveyor line and receives the workpieces on the first conveyor line and the second conveyor line at the same time.

3. The high-efficiency go / no-go gauge testing machine according to claim 1, characterized in that: Several slots for clamping workpieces are arranged at equal angles on the periphery of the dividing plate. Arc-shaped limit plates are provided on the periphery of the dividing plate from the loading station, the inspection station, the scrap kicking station to the receiving station to prevent the workpiece from falling. The arc-shaped limit plates on the scrap kicking station and the receiving station are provided with avoidance openings for facilitating the removal of the workpiece.

4. The high-efficiency go / no-go gauge testing machine according to claim 1, characterized in that: The pressing module comprises a pressing cylinder, a pressing rod driven by the pressing cylinder to move radially along the indexing plate and used to press the periphery of the workpiece, and a contour groove is provided on the pressing rod to contour the periphery of the workpiece.

5. The high-efficiency go / no-go gauge testing machine according to claim 1, characterized in that: The detection mechanism includes a first cylinder, a first support plate driven by the first cylinder to move up and down, a rotating motor arranged on the first support plate, a first rotating shaft driven by the rotating motor to rotate, a second rotating shaft movable up and down and arranged inside the lower end of the first rotating shaft, a detection head arranged at the bottom of the second rotating shaft, and an elastic module sleeved on the outer periphery of the second rotating shaft.

6. A high-efficiency go / no-go gauge testing machine as claimed in claim 5, characterized in that: An avoidance gap is provided inside the lower end of the first rotating shaft for the second rotating shaft to move up and down. The second rotating shaft is movably arranged inside the first rotating shaft through a horizontal support shaft, and a waist-shaped opening is provided on the outer periphery of the first rotating shaft where the avoidance gap is located for the support shaft to move up and down.

7. A high-efficiency go / no-go gauge testing machine as claimed in claim 6, characterized in that: The elastic module includes a flange ring movably mounted on the second rotating shaft and an elastic member mounted on the second rotating shaft. The lower end of the elastic member is connected to the flange ring and the upper end is abutted against the bottom of the first rotating shaft. The second rotating shaft is provided with a limiting cylinder below the flange ring for lower limiting the flange ring; a sensor for sensing the position of the flange ring is provided on the side of the flange ring.

8. The high-efficiency go / no-go gauge testing machine according to claim 1, characterized in that: The scrap kicking module includes a first material receiving box and a first air nozzle arranged on the first material receiving box and blowing unqualified workpieces on the dividing plate into the first material receiving box. The lower end of the first material receiving box is open, and the lower ends of all the first material receiving boxes are located above the defective product receiving conveyor line and are connected to the defective product receiving conveyor line.

9. The high-efficiency go / no-go gauge testing machine according to claim 2, characterized in that: The material receiving module includes a second material receiving box and a second air nozzle arranged on the second material receiving box and blowing qualified workpieces on the dividing plate into the second material receiving box. The lower ends of all the second material receiving boxes extend into the conveyor line and are connected to the conveyor line.

Images