Stepping feeding type thread detection machine with magnetic attraction positioning function

Abstract

The invention discloses a stepping feeding type thread detection machine with a magnetic attraction positioning function, and relates to the technical field of thread detection equipment, the stepping feeding type thread detection machine comprises a detection machine table and a controller, the controller is fixedly installed on the upper end face of the detection machine table, and a feeding mechanism is arranged on the right side of the upper portion of the detection machine table; and a feeding manipulator is fixedly mounted on the upper end face of the detection machine table and located on one side of the feeding mechanism. According to the stepping feeding type thread detection machine with the magnetic attraction positioning function, products to be detected are stored through the feeding mechanism, the products are transferred to the stepping feeding mechanism with the magnetic attraction positioning function through the feeding mechanical arm, the positions of the products can be prevented from being changed in the operation process through the magnetic attraction design, and then the conveying stability of the parts to be detected is improved; thread detection is completed through the four sets of double-go-gauge detection mechanisms, good products and defective products are distinguished through the sorting mechanism, and finally classified discharging is achieved through the discharging mechanism, so that automatic and precise detection and sorting of thread products are achieved, and the detection efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thread detection equipment, in particular to a step feeding type thread detection machine with magnetic attraction positioning. BACKGROUND

[0002] In the mechanical manufacturing, automobile parts, electronic equipment and other industries, as the core connection and transmission components, the thread precision and integrity of the threaded parts directly determine the product assembly reliability and use durability, so thread detection is an indispensable quality control link in the whole production process.

[0003] However, the existing step feeding type thread detection machine still has some problems when in use:

[0004] For example, a thread automatic detection machine with application No. CN201820340676.9, comprising a rack, the bottom four corners of the rack are fixedly connected with mounting seats, the bottom of the mounting seat is fixedly connected with universal wheels, the universal wheels are fixedly connected with brake devices on one side, the top of the rack is provided with a cavity, the cavity is provided with a step motor, the top of the step motor is welded with a support table;

[0005] The existing step feeding type thread detection machine in the product conveying process, with the reciprocating motion of the step feeding mechanism, the product is easy to be displaced, tilted and other problems due to mechanical movement, resulting in low product thread detection precision;

[0006] Therefore, we propose a step feeding type thread detection machine with magnetic attraction positioning to solve the above problems. SUMMARY

[0007] The present application aims to provide a step feeding type thread detection machine with magnetic attraction positioning to solve the problem of low product thread detection precision caused by the displacement, tilting and other problems of the product due to mechanical movement in the product conveying process of the step feeding type thread detection machine.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a step-feed thread inspection machine with magnetic positioning, comprising an inspection machine base and a controller. The controller is fixedly installed on the upper end face of the inspection machine base. A feeding mechanism is provided on the upper right side of the inspection machine base. A feeding robot is fixedly installed on the upper end face of the inspection machine base and on one side of the feeding mechanism. A step-feeding mechanism is installed on the upper end face of the inspection machine base and at the discharge end of the feeding mechanism. A positioning cylinder is fixedly installed on the upper end face of the inspection machine base and on the other side of the feeding mechanism. Four sets of double-gauge inspection mechanisms are fixedly installed on one side of the step-feeding mechanism. A sorting mechanism is provided above the inspection machine base and at the discharge end of the step-feeding mechanism. A discharge mechanism is welded to the left side of the inspection machine base and below the sorting mechanism.

[0009] The above technical solution uses a controller as the core control unit. The controller adopts a human-machine interface touch screen design, which is convenient for personnel to control and operate. The product to be tested is stored through the feeding mechanism. The feeding robot transfers the product to the stepping feeding mechanism with magnetic positioning. The magnetic design can prevent the product from changing position during operation, thereby improving the conveying stability of the part to be tested. After being accurately positioned by the positioning cylinder, the thread inspection is completed by four sets of double-gauge inspection mechanisms. Then, the sorting mechanism distinguishes good products from defective products. Finally, the discharge mechanism realizes the classified discharge, realizing the automated and accurate inspection and sorting of threaded products, improving inspection efficiency and quality, and avoiding human error.

[0010] Preferably, the feeding mechanism includes a storage box bolted to the upper surface of the testing machine platform, and the storage box is designed with the left side lower than the right side. Two sets of symmetrically designed side baffles are bolted to the upper surface of the storage box. The discharge end of the storage box is provided with a feeding position. A lifting cylinder is provided below the feeding position, and the piston end of the lifting cylinder is fixedly connected to the bottom of the feeding position.

[0011] Using the above technical solution, the feeding mechanism is securely installed on the upper surface of the testing machine platform by bolt connection. The core achieves orderly and precise product feeding through the coordinated operation of various components. The storage box adopts an inclined structure design with the left side lower and the right side higher. It can drive the product to be tested in the box to slide naturally towards the discharge end by gravity, completing the initial guiding and conveying of the product without additional power. The two sets of symmetrical side baffles bolted to the upper end can flexibly adapt to products with different outer diameter specifications by adjusting the installation spacing with bolts. On the other hand, they can effectively prevent the product from deviating or falling from the sides during the sliding process, ensuring that the product always moves in a regular manner along the preset direction. The feeding position set at the discharge end of the storage box is a key transition station for product feeding. It can accurately receive the product to be transferred and play a role in temporary positioning and regularization. The lifting cylinder below the feeding position is fixedly connected to the bottom of the feeding position through the piston end. It can complete the lifting action under the command of the controller. When the feeding robot needs to pick up the material, the lifting cylinder will drive the feeding position and the product inside to lift and lower synchronously, adjusting the product to the height most convenient for the robot to grasp, completely avoiding the problem of material picking jamming or misalignment. Overall, the feeding mechanism, through its gravity-guided, adjustable limit, precise transition, and highly adaptable design, achieves orderly storage, directional guidance, and precise feeding of the products to be tested. This lays a solid foundation for the smooth operation of subsequent processes such as material handling by the feeding robot and conveying by the stepping feeding mechanism, ensuring the stability and efficiency of the entire feeding process of the testing equipment.

[0012] Preferably, the stepping feeding mechanism includes two sets of guide rails fixedly installed on the upper surface of the testing machine platform. The upper surface of the two sets of guide rails is evenly provided with a number of semi-circular magnetic suction grooves. A conveyor frame is provided between the two sets of guide rails, and the conveyor frame is reciprocated by a stepper motor. Two sets of clamping cylinders are provided on the upper surface of the testing machine platform and above the two sets of guide rails.

[0013] Using the above technical solution, the stepping feeding mechanism uses semi-circular magnetic grooves on two sets of guide rails to adsorb and position the product, preventing the product from changing position during operation, thereby improving the conveying stability of the test piece. In conjunction with the reciprocating motion of the conveyor frame driven by the stepper motor, the product is conveyed step by step. There are two sets of clamping cylinders above the stepping feeding mechanism, each set of clamping cylinders is equipped with two clamping heads, which can further fix the product, preventing the product from shifting during conveying and ensuring the positional accuracy of subsequent testing, thus achieving stable and accurate product delivery.

[0014] Preferably, the dual-gauge inspection mechanism includes a base fixedly installed on the upper surface of the inspection machine platform, a slide table slidably connected to the upper surface of the base, a stepping cylinder fixedly installed at one end of the base, and the extended end of the stepping cylinder fixedly connected to the slide table. A thread inspection spindle is provided above the slide table, and an inspection head is detachably connected to the front end of the thread inspection spindle.

[0015] Using the above technical solution, the dual-go gauge inspection mechanism drives the slide table to slide along the base through a stepping cylinder, which in turn moves the thread inspection spindle above the slide table and the detachable inspection head at the front end closer to the product. The inspection head is used to complete the thread go and no-go gauge inspection. The detachable design can adapt to the inspection needs of different thread specifications, so as to achieve accurate and flexible inspection of product threads.

[0016] Preferably, the sorting mechanism includes two sets of uprights symmetrically designed about the testing machine platform, with a crossbeam fixed between the two sets of uprights, a slide rail fixed on one side of the crossbeam, a telescopic cylinder installed above the crossbeam, a slide block slidably connected to the slide rail fixed to the extended end of the telescopic cylinder, a lifting cylinder installed on one side of the slide block, and a sorting robot fixed to the extended end of the lifting cylinder.

[0017] Using the above technical solution, the sorting mechanism is based on the crossbeam supported by the upright frame. The sliding block is driven to move laterally along the slide rail by the telescopic cylinder. In conjunction with the lifting cylinder, the sorting robot moves up and down, realizing the precise displacement of the robot between the inspection station and the discharge mechanism. This allows the good and defective products after inspection to be transferred to the corresponding areas, completing the automated sorting and preventing mixing.

[0018] Preferably, the discharge mechanism includes a first discharge frame and a second discharge frame, wherein the first discharge frame is a good product discharge frame and the second discharge frame is a defective product discharge frame.

[0019] By adopting the above technical solution, the discharge mechanism sets up independent good product discharge boxes and defective product discharge boxes to receive the corresponding products transferred by the sorting mechanism, thereby realizing the classified collection of good and defective products. The structure is simple and can effectively prevent mixing, ensuring the standardization of product classification and storage after testing.

[0020] Compared with the prior art, the beneficial effects of the present invention are: 1. The product to be tested is stored through the feeding mechanism. The feeding robot moves the product to the stepping feeding mechanism with magnetic positioning. The magnetic design can prevent the product from changing position during operation, thereby improving the conveying stability of the product to be tested. After being accurately positioned by the positioning cylinder, the thread inspection is completed by four sets of double-gauge inspection mechanisms. Then, the sorting mechanism distinguishes good products from defective products. Finally, the discharge mechanism realizes the classified discharge, realizing the automated and accurate inspection and sorting of thread products, improving inspection efficiency and quality, and avoiding human error. 2. The feeding mechanism adopts a storage box with a lower left side and a higher right side. The upper surface of the storage box is evenly provided with several threaded mounting holes. Two sets of symmetrically designed side baffles are installed and fixed according to the product by bolts and threaded mounting holes. This can adapt to different specifications of products and guide them to move towards the feeding position at the discharge end. The lifting cylinder below can smoothly push the material position up and down through the lifting action of the piston end, which can then promote the movement of the feeding position to the subsequent stepping feeding mechanism, ensuring that the subsequent feeding robot can pick up the material smoothly and achieve orderly and stable product feeding. 3. The stepping feeding mechanism uses semi-circular magnetic grooves on two sets of guide rails to adsorb and position the product, preventing the product from changing position during operation, thereby improving the conveying stability of the parts to be tested. In conjunction with the reciprocating motion of the conveyor frame driven by the stepper motor, the product is conveyed step by step. There are two sets of clamping cylinders above the stepping feeding mechanism. Each set of clamping cylinders has two clamping heads, which can further fix the product, preventing the product from shifting during conveying and ensuring the positional accuracy of subsequent testing, thus achieving stable and accurate product delivery. 4. The dual-go gauge inspection mechanism uses a stepper cylinder to drive the slide table to slide along the base, which in turn moves the thread inspection spindle above the slide table and the detachable inspection head at the front end closer to the product. The inspection head is used to complete the thread go and no-go gauge inspection. The detachable design can adapt to the inspection needs of different thread specifications, so as to achieve accurate and flexible inspection of the product thread. 5. The sorting mechanism is based on the crossbeam supported by the upright frame. The sliding block is driven to move laterally along the slide rail by the telescopic cylinder. In conjunction with the lifting cylinder, the sorting robot moves up and down, realizing the precise displacement of the robot between the inspection station and the discharge mechanism. This allows the good and defective products after inspection to be transferred to the corresponding areas, completing the automated sorting and preventing mixing. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the external structure of the main body of the present invention;

[0022] Figure 2 This is a top view of the main structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the feeding mechanism of the present invention;

[0024] Figure 4 This is a schematic diagram of the stepping feeding mechanism of the present invention;

[0025] Figure 5 This is a schematic diagram of the dual-gauge detection mechanism of the present invention;

[0026] Figure 6 This is a schematic diagram of the sorting mechanism of the present invention;

[0027] Figure 7 This is a schematic diagram of the discharge frame structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the feeding robot structure of the present invention;

[0029] Figure 9 This is a schematic diagram of the positioning cylinder structure of the present invention.

[0030] In the diagram: 1. Inspection machine base; 2. Controller; 3. Feeding mechanism; 301. Storage box; 302. Side baffle; 303. Feeding position; 304. Lifting cylinder; 4. Feeding robot; 5. Stepping feeding mechanism; 501. Guide rail; 502. Magnetic suction groove; 503. Conveyor frame; 504. Clamping cylinder; 6. Positioning cylinder; 7. Double gauge inspection mechanism; 701. Base; 702. Slide table; 703. Stepping cylinder; 704. Thread inspection spindle; 705. Inspection head; 8. Sorting mechanism; 801. Stand; 802. Crossbeam; 803. Slide rail; 804. Telescopic cylinder; 805. Slide seat; 806. Lifting cylinder; 807. Sorting robot; 9. Discharge mechanism; 901. First discharge frame; 902. Second discharge frame. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0032] Please see Figures 1-9 This invention provides a technical solution: a step-feed thread inspection machine with magnetic positioning, comprising an inspection machine base 1 and a controller 2. The controller 2 is fixedly installed on the upper end face of the inspection machine base 1, and a feeding mechanism 3 is provided on the upper right side of the inspection machine base 1. The feeding mechanism 3 includes a storage box 301 bolted to the upper end face of the inspection machine base 1, and the storage box 301 is designed with the left side lower than the right side. Two sets of symmetrically designed side baffles 302 are bolted to the upper end face of the storage box 301. A feeding position 303 is provided at the discharge end of the storage box 301. A lifting cylinder 304 is provided below the feeding position 303, and the piston end of the lifting cylinder 304 is fixedly connected to the bottom of the feeding position 303.

[0033] The testing machine base 1 provides a stable installation foundation for the entire feeding mechanism 3. The controller 2 adopts a human-machine interface touch screen design to automatically control the feeding process. The core actuator of the feeding mechanism 3, the storage box 301, adopts a tilted design with the left side lower and the right side higher. It can guide the product to be tested in the box to slide naturally towards the discharge end by gravity. The upper surface of the storage box 301 is evenly provided with several threaded mounting holes. Through two sets of symmetrically designed side baffles 302, the side baffles 302 are installed and fixed according to the product by bolts and threaded mounting holes. It can adapt to different specifications of products and guide them to move towards the feeding position 303 at the discharge end. The two sets of symmetrical side baffles 302 bolted to the upper surface can not only adapt to products with different outer diameter specifications by adjusting the spacing, but also prevent the product from sliding. The material is offset from both sides to ensure a regular feeding direction. The feeding position 303 at the discharge end of the storage box 301 serves as a transition station for product loading, precisely receiving the product to be transferred. The lifting cylinder 304 below the feeding position 303 is fixedly connected to the bottom of the feeding position 303 through the piston end. It can complete the lifting action under the command of the controller 2. When the feeding robot 4 needs to pick up the material, the lifting cylinder 304 moves the feeding position 303 up or down, causing the product in the feeding position 303 to rise and fall accordingly, so that the product is at a height that is easy for the robot to grasp, avoiding material picking jamming. This achieves orderly storage, directional guidance and precise feeding of the product to be tested, laying the foundation for the smooth operation of subsequent step feeding, thread inspection and other processes, and realizing orderly and stable product loading.

[0034] A feeding robot 4 is fixedly installed on the upper surface of the testing machine base 1, located on one side of the feeding mechanism 3. A stepping feeding mechanism 5 is installed on the upper surface of the testing machine base 1, located at the discharge end of the feeding mechanism 3. The stepping feeding mechanism 5 includes two sets of guide rails 501 fixedly installed on the upper surface of the testing machine base 1. Several semi-circular magnetic suction grooves 502 are evenly opened on the upper surface of the two sets of guide rails 501. A conveyor frame 503 is arranged between the two sets of guide rails 501, and the conveyor frame 503 reciprocates via a stepper motor. Two sets of clamping cylinders 504 are arranged on the upper surface of the testing machine base 1, above the two sets of guide rails 501. A positioning cylinder 6 is fixedly installed on the upper surface of the testing machine base 1, located on the other side of the feeding mechanism 3.

[0035] The feeding robot 4 is installed on one side of the feeding mechanism 3, which can accurately grab the product to be tested from the discharge end of the feeding mechanism 3 and transfer it to the stepping feeding mechanism 5, realizing a seamless connection between the loading and feeding process. The two sets of guide rails 501 of the stepping feeding mechanism 5 provide guidance for product transportation. The semi-circular magnetic grooves 502 evenly opened on the upper surface of the guide rails can generate adsorption force to prevent the product from changing position during operation, thereby improving the transportation stability of the product to be tested. The conveyor frame 503 between the two sets of guide rails 501 reciprocates under the drive of the stepper motor, driving the product to be conveyed step by step according to the preset rhythm. The two sets of clamping cylinders 504 above the guide rails 501 Each set of clamping cylinders 504 is equipped with two clamping heads, which can clamp the product downwards when it is conveyed to the inspection station, further improving positioning stability and ensuring the positional accuracy of subsequent product inspection, thus achieving stable and accurate product conveying. The positioning cylinder 6 is fixed on the other side of the feeding mechanism 3. When the product is sent to the designated inspection position by the conveyor frame 503, the positioning cylinder 6 extends its piston rod to perform lateral precise positioning of the product, forming a triple positioning guarantee with the clamping cylinder 504 and the magnetic suction groove 502, ensuring that the product's position remains accurate and unchanged during subsequent thread inspection, providing a stable and reliable inspection condition for the inspection mechanism, and ensuring inspection accuracy and smooth process.

[0036] Four sets of double-gauge inspection mechanisms 7 are fixedly installed on one side of the stepping feeding mechanism 5. The double-gauge inspection mechanism 7 includes a base 701 fixedly installed on the upper end face of the inspection machine base 1, a slide table 702 slidably connected to the upper end face of the base 701, a stepping cylinder 703 fixedly installed at one end of the base 701, and the extended end of the stepping cylinder 703 fixedly connected to the slide table 702. A thread inspection spindle 704 is provided above the slide table 702, and an inspection head 705 is detachably connected to the front end of the thread inspection spindle 704.

[0037] Four sets of dual-gauge inspection mechanisms 7 are fixed to one side of the stepping feeding mechanism 5, precisely corresponding to the product inspection station after triple positioning, and their actions are coordinated by the controller 2. In the dual-gauge inspection mechanism 7, the base 701 serves as the core load-bearing component, providing a stable sliding guide for the slide table 702. After receiving the control signal, the stepping cylinder 703 at one end of the base 701 drives the slide table 702 to slide precisely along the base 701 through its extended end, thereby pushing the thread inspection spindle 704 above the slide table 702 closer to the product to be inspected. The inspection head 705, which is detachably connected to the front end of the thread inspection spindle 704, can be replaced with appropriate go and no-go gauges according to the product thread specifications, such as internal threads, external threads, and different thread diameters. The four sets of mechanisms can simultaneously or sequentially perform go and no-go gauge inspections on the product threads according to a preset program. The compatibility between the inspection head 705 and the thread is used to determine whether the thread is qualified and whether the thread depth is in place, realizing accurate and flexible inspection of thread products of different specifications, improving inspection efficiency and inspection coverage, and providing reliable inspection results for subsequent sorting processes.

[0038] A sorting mechanism 8 is installed above the inspection machine base 1 and at the discharge end of the stepping feeding mechanism 5. A discharge mechanism 9 is welded to the left side of the inspection machine base 1 and below the sorting mechanism 8. The sorting mechanism 8 includes two sets of uprights 801 symmetrically designed about the inspection machine base 1. A crossbeam 802 is fixed between the two sets of uprights 801. A slide rail 803 is fixed to one side of the crossbeam 802. A telescopic cylinder 804 is installed above the crossbeam 802. A slide block 805, which is slidably connected to the slide rail 803, is fixed to the extended end of the telescopic cylinder 804. A lifting cylinder 806 is installed to one side of the slide block 805. A sorting robot arm 807 is fixed to the extended end of the lifting cylinder 806. The discharge mechanism 9 includes a first discharge frame 901 and a second discharge frame 902, where the first discharge frame 901 is for good products and the second discharge frame 902 is for defective products.

[0039] The discharge mechanism 9, welded to the left side of the inspection machine base 1, is located below the sorting mechanism 8 and precisely coordinates with the sorting action. The entire system is coordinated by the controller 2. Two symmetrically designed uprights 801 in the sorting mechanism 8 stably support the crossbeam 802. A slide rail 803 fixed to one side of the crossbeam 802 provides stable guidance for the slide block 805. After receiving a control signal, the telescopic cylinder 804 above the crossbeam 802 drives the fixed slide block 805 to move laterally along the slide rail 803. Simultaneously, the lifting cylinder 806 on one side of the slide block 805 drives the sorting robot 807 to move up and down. The sorting robot 807 achieves precise displacement between the discharge end of the stepping feeding mechanism 5 and the discharge mechanism 9, thereby grabbing the inspected products. The first discharge frame 901 and the second discharge frame 902 of the discharge mechanism 9 are independent of each other. According to the detection results of the dual-gauge detection mechanism 7, the sorting robot 807 transfers good products to the first discharge frame 901 and defective products to the second discharge frame 902, realizing automated and precise sorting and classification of products, effectively preventing mixing, ensuring the standardization of product storage after inspection, and providing convenience for subsequent production flow.

[0040] Working Principle: For this type of step-feed thread inspection machine with magnetic positioning, after the controller 2 is started, the storage box 301 of the feeding mechanism 3 guides the product to be inspected to slide towards the feeding position 303 with the left-low and right-high design and the side baffle 302. The lifting cylinder 304 adjusts the height of the product under the command of the controller 2 to adapt to the gripping. The feeding robot 4 accurately grips the product at the feeding position 303 and transfers it to the guide rail 501 of the step-feeding mechanism 5. The semi-circular magnetic groove 502 of the guide rail 501 adsorbs and fixes the product. The conveyor frame 503 drives the product to step forward and convey it according to the preset rhythm under the drive of the stepper motor. When the product reaches the inspection station, the positioning cylinder 6 extends the piston rod for precise lateral positioning. At the same time, the two sets of clamping cylinders 504 press down on the product to form a triple positioning. To ensure safety, the stepping cylinders 703 of the four sets of double-gauge inspection mechanisms 7 receive control signals and drive the slide table 702 to slide along the base 701. This, in turn, drives the thread inspection spindle 704 and the front-end inspection head 705, which is adapted to the specifications, to approach the product to complete the thread go / no-go gauge inspection. After the inspection results are fed back to the controller 2, the telescopic cylinder 804 drives the slide block 805 to move laterally along the slide rail 803 on the crossbeam 802 supported by the upright frame 801 of the sorting mechanism 8. The lifting cylinder 806 simultaneously drives the sorting robot 807 to move up and down, accurately grabbing the inspected products. According to the inspection results, the good products are transferred to the first discharge frame 901 of the discharge mechanism 9 on the left side of the inspection machine 1, and the defective products are transferred to the second discharge frame 902, realizing automated inspection and sorting and repeating the process.

[0041] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A step feeding type thread detection machine with magnetic attraction positioning, comprising a detection machine table (1) and a controller (2), characterized in that: The upper end face of the detection machine platform (1) is fixedly installed with a controller (2), the upper right side of the detection machine platform (1) is provided with a feeding mechanism (3), the upper end face of the detection machine platform (1) and on one side of the feeding mechanism (3) is fixedly installed with a feeding mechanical hand (4), the upper end face of the detection machine platform (1) and on the discharge end of the feeding mechanism (3) is installed with a step feeding mechanism (5), the upper end face of the detection machine platform (1) and on the other side of the feeding mechanism (3) is fixedly installed with a positioning air cylinder (6), one side of the step feeding mechanism (5) is fixedly installed with four groups of double-pass rule detection mechanisms (7), the upper side of the detection machine platform (1) and on the discharge end of the step feeding mechanism (5) is provided with a sorting mechanism (8), the left side of the detection machine platform (1) and below the sorting mechanism (8) is welded with a discharge mechanism (9).

2. The thread inspection machine with magnetic positioning according to claim 1, characterized in that: The feeding mechanism (3) comprises a storage box (301) bolted to the upper end face of the detection machine platform (1), and the storage box (301) is designed as left low and right high, and the upper end face of the storage box (301) is bolted with two groups of symmetrically designed side baffles (302).

3. The thread inspection machine with magnetic positioning according to claim 2, characterized in that: The discharge end of the storage box (301) is provided with a feeding position (303), the lower side of the feeding position (303) is provided with a jacking air cylinder (304), and the piston end of the jacking air cylinder (304) is fixedly connected with the bottom of the feeding position (303).

4. The thread inspection machine of claim 1, wherein: The step feeding mechanism (5) comprises two groups of guide rails (501) fixedly installed on the upper end face of the detection machine platform (1), and the upper end faces of the two groups of guide rails (501) are uniformly provided with a plurality of semicircular magnetic grooves (502).

5. The thread inspection machine with magnetic positioning according to claim 4, characterized in that: Two groups of the guide rails (501) are provided with a conveying frame (503), and the conveying frame (503) reciprocates through a step motor, the upper end face of the detection machine platform (1) and above the two groups of guide rails (501) are provided with two groups of pressing air cylinders (504).

6. The thread inspection machine of claim 1, wherein: The double-pass rule detection mechanism (7) comprises a base (701) fixedly installed on the upper end face of the detection machine platform (1), and the upper end face of the base (701) is slidably connected with a sliding table (702).

7. The thread inspection machine of claim 6, wherein: One end of the base (701) is fixedly installed with a step air cylinder (703), and the extending end of the step air cylinder (703) is fixedly connected with the sliding table (702), the upper side of the sliding table (702) is provided with a thread detection main shaft (704), and the front end of the thread detection main shaft (704) is detachably connected with a detection head (705).

8. The thread inspection machine of claim 1, wherein: The sorting mechanism (8) comprises two groups of vertical supports (801) symmetrically designed about the detection machine platform (1), two groups of the vertical supports (801) are fixedly connected with a cross beam (802), and one side of the cross beam (802) is fixedly connected with a sliding rail (803).

9. The thread inspection machine of claim 8, wherein: The upper side of the cross beam (802) is installed with a telescopic air cylinder (804), the extending end of the telescopic air cylinder (804) is fixedly connected with a sliding seat (805) slidably connected with the sliding rail (803), one side of the sliding seat (805) is installed with a lifting air cylinder (806), and the extending end of the lifting air cylinder (806) is fixedly connected with a sorting mechanical hand (807).

10. The thread inspection machine of claim 1, wherein: The discharging mechanism (9) comprises a first discharging frame (901) and a second discharging frame (902), wherein the first discharging frame (901) is a good product discharging frame, and the second discharging frame (902) is a defective product discharging frame.

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