A stator automatic tin dipping detection device

Abstract

The application provides a kind of stator automatic tin immersion detection equipment, including rack and installation on rack rotary disc, fixed disc, splitter and motor, the output shaft of motor is connected with the input shaft of splitter, splitter is fixed on rack;Along the counterclockwise direction of rotary disc is sequentially provided with stator feeding station, common line twisting and cutting wire station, wire end neatening and cutting wire station, tin immersion station, brush wire station and conduction test station;Rotary disc is equidistant along the axis of disc and is provided with first positioning jig for placing stator.The stator automatic tin immersion detection equipment provided by the application sequentially connects each process to complete, can conveniently carry out twisting, cutting wire, cutting, straightening, tin immersion and detection of electrical conductivity, each assembly station is synchronously arranged along the circumference of rotary disc, realizes the processing mode of automation, continuous and precision, reduces manual participation, improves production efficiency, and guarantees the stability of stator tin immersion processing quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic assembly equipment, and particularly relates to a stator automatic tin immersion detection equipment. BACKGROUND

[0002] In the production process of a motor stator, winding coils are wound on the stator, so that wire heads are led out from the stator, the wire heads include three outgoing wire ends and three common ends, the three outgoing wire ends are used to be connected with a power supply, and the three common ends need to be twisted together, during processing of the stator, paint needs to be removed from the outgoing wire ends and the common ends respectively, each outgoing wire end is twisted, and the three common ends are twisted together, after the outgoing wire ends and the common ends twisted together are immersed in tin, each outgoing wire end and the common end twisted together are finally tested for conduction, each process of the above stator processing needs to be manually participated, thus causing the stator processing to occupy a large manual processing cost, and causing low processing efficiency, and thus there is room for improvement. SUMMARY

[0003] The present application aims to provide a stator automatic tin immersion detection equipment to solve the technical problems in the background art.

[0004] To achieve the foregoing objects, the present application provides the following technical solutions:

[0005] The application discloses a stator automatic tin immersion detection equipment which comprises a rack, a rotating disc, a fixed disc, a divider and a motor, the output shaft of the motor is connected with the input shaft of the divider, and the divider is fixed on the rack; a fixed shaft and a rotating shaft are arranged on the top of the divider, the rotating disc is arranged on the rotating shaft of the divider, the fixed disc is arranged on the fixed shaft of the divider, and the fixed disc is coaxially arranged above the rotating disc; a stator feeding station, a common wire twisting and cutting station, a wire end tidying and cutting station, a tin immersion station, a wire brushing station and a conduction test station are sequentially arranged in the counterclockwise direction of the rotating disc; first positioning jigs for placing stators are equidistantly arranged along the axis of the rotating disc, each first positioning jig sequentially passes through the feeding station, the common wire twisting and cutting station, the wire end tidying and cutting station, the tin immersion station, the wire brushing station and the conduction test station to process the wire ends on the stator; the first positioning jig comprises a fixed seat, a limiting column and a positioning block, the fixed seat is fixedly installed on the rotating disc, the limiting column is elastically installed on the fixed seat, the fixed seat is provided with a first mounting through hole, the limiting column is arranged in the first mounting through hole, the top of the limiting column penetrates through the top end of the fixed seat, the top of the limiting column is provided with a first limiting plate which protrudes outward, the first limiting plate is arranged above the fixed seat, the limiting column penetrates through the rotating disc below, a limiting ring is arranged on the limiting column below, a first compression spring is arranged on the limiting column below and is pressed between the rotating disc and the limiting ring, and the positioning block is fixed on the limiting column above and used for placing the stator; two concave notches, namely a first positioning groove and a second positioning groove, are arranged along the axis of the first mounting through hole on the fixed seat, and a positioning column is arranged on the first limiting plate and is inserted into the first positioning groove or the second positioning groove; a stator reversing driving element is arranged below each first positioning jig corresponding to the feeding station and the wire brushing station and is used for reversing the first positioning jig.

[0006] The stator feeding station comprises a stator conveying belt and a stator feeding manipulator, the stator conveying belt is fixed on the rack and is arranged in the transverse direction, the stator feeding manipulator comprises a first mounting frame, a first Y-axis driving element, a first Z-axis driving element, a second Z-axis driving element and a first clamping assembly, the first Y-axis driving element is fixed on the first mounting frame, the first Z-axis driving element is drivingly installed on the first Y-axis driving element through a first driving plate, the second Z-axis driving element is drivingly installed on the first Z-axis driving element through a second driving plate, and the first clamping assembly is arranged below the second Z-axis driving element and is drivingly installed on the second Z-axis driving element; the first clamping assembly comprises a first finger air cylinder and first clamping arms which are arranged on the two output shafts of the first finger air cylinder, the first clamping arms are L-shaped structures, and the two sides of the stator are clamped and taken by the two first clamping arms.

[0007] The stator reversing drive includes a first bottom plate, a first motor, a first cylinder and a drive frame, the first motor is fixed on the first bottom plate, the first cylinder is fixedly installed on the side of the first motor and the first bottom plate, the drive frame is above the first motor, the output shaft of the first motor passes through the drive frame, the drive frame includes a first connecting plate, a second connecting plate and a fixed column installed between the first connecting plate and the second connecting plate, the first connecting plate is provided with a second mounting through hole, the second connecting plate is provided with a third mounting through hole coaxially arranged with the second mounting through hole, the output end of the first motor passes through the second mounting through hole and the third mounting through hole, a bearing is arranged between the output end of the first motor and the third mounting through hole, a top block is fixedly arranged on the top of the output end of the first motor, the top block is provided with an inner recessed third positioning groove matched with the bottom structure of the limiting column, and the first cylinder is drivingly installed on one side of the first connecting plate.

[0008] The tin immersion station includes a first tin immersion carrying manipulator, a second tin immersion carrying manipulator, a tin immersion tank and a tin scraping assembly, the first tin immersion carrying manipulator and the second tin immersion carrying manipulator are the same structure and are symmetrically installed on the rack, the tin immersion tank is between the first tin immersion carrying manipulator and the second tin immersion carrying manipulator, and the tin scraping assembly includes a tin scraping plate moving in the tin immersion tank.

[0009] The first tin immersion carrying manipulator includes a second mounting frame, a second Y-axis drive, a third Z-axis drive, a first rotary drive and a second clamping assembly, the second mounting frame is fixed on the rack, the second Y-axis drive is fixed above the second mounting frame, the third Z-axis drive is drivingly installed with the second Y-axis drive through a third drive plate, the first rotary drive is drivingly installed with the third Z-axis drive through a fourth drive plate, and the second clamping assembly is drivingly installed with the first rotary drive through a fifth drive plate, and the first rotary drive drives the second clamping cylinder to overturn along the Y-axis direction.

[0010] The second clamping assembly includes a second finger cylinder and a second clamping arm installed on the two output shafts of the second finger cylinder, the second clamping arm is a Z-shaped structure, and the two sides of the stator are clamped and taken by the two second clamping arms.

[0011] The tin scraping assembly further includes a first X-axis drive, a second X-axis drive and a fourth Z-axis drive for driving the tin scraping plate to move, the first X-axis drive is fixed on the rack, the fourth Z-axis drive is drivingly installed with the first X-axis drive through a sixth drive plate, the second X-axis drive is drivingly installed with the fourth Z-axis drive through a seventh drive plate, a connecting block is fixed on the output shaft of the second X-axis drive, a connecting shaft is fixed on the connecting block, and the tin scraping plate and the connecting shaft are rotatably installed through a hinge assembly.

[0012] The brush wire station is used for arranging the wire after immersion in tin, and the brush wire station comprises a brush wire conveying manipulator, a wire arranging clamp table, a brush for brushing wire and a material collecting box, the brush wire conveying manipulator is located at the front side of the wire arranging clamp table and the brush, the material collecting box is located below the wire arranging clamp table and the brush and is used for collecting tin beads dropping from the wire, the brush wire conveying manipulator comprises a third mounting frame, a sixth Z-axis driving element, a second rotary driving element and a third clamping assembly, the third mounting frame is fixed on a rack, the sixth Z-axis driving element is fixed on the third mounting frame, the second rotary driving element is drivingly mounted with the sixth Z-axis driving element through an eighth driving plate, and the third clamping assembly is drivingly mounted with the second rotary driving element through a ninth driving plate, the third clamping assembly comprises a third finger air cylinder and a third clamping arm mounted on two output shafts of the third finger air cylinder, the third clamping arm is in Z-shaped structure, and the two third clamping arms are used for clamping and taking the two sides of the stator.

[0013] The conduction test station comprises a test conveying manipulator, a first test table, a second test table, a first discharging conveying belt and a second discharging conveying belt, the test conveying manipulator is provided with a fourth clamping assembly for clamping and conveying the stator, the first test table and the second test table are arranged on one side of the rotary disc, the first test table and the second test table are the same in structure, and the first discharging conveying belt and the second discharging conveying belt are arranged in parallel and fixed on the rack, and the first discharging conveying belt and the second discharging conveying belt are respectively used for discharging and conveying qualified products and defective products.

[0014] Compared with the prior art, the stator automatic immersion tin detection equipment provided by the application can conveniently perform wire twisting, wire cutting, wire trimming, wire straightening, tin immersion and detection of conductive performance, the assembly stations are synchronously arranged along the circumference of the rotary disc, the automatic, continuous and precise processing mode is realized, the manual participation is reduced, the production efficiency is improved, and the stability of the stator immersion tin processing quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 : the perspective view of the application;

[0016] Figure 2 : the top view of the application;

[0017] Figure 3 : the perspective view of the stator feeding manipulator;

[0018] Figure 4 : the installation structure diagram of the rotary disc and the fixed disc;

[0019] Figure 5 : the front view of the installation position of the first positioning jig and the stator reversing driving element;

[0020] Figure 6: stator reverse drive member perspective view;

[0021] Figure 7 : first positioning fixture perspective view;

[0022] Figure 8 : first positioning fixture exploded view;

[0023] Figure 9 : tin immersion station perspective view;

[0024] Figure 10 : first tin immersion carrying manipulator perspective view;

[0025] Figure 11 : tin scraping assembly perspective view;

[0026] Figure 12 : wire brushing station perspective view;

[0027] Figure 13 : wire brushing carrying manipulator perspective view. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

[0029] Specific embodiment 1: please refer to Figures 1 to 13 In the embodiments of the present application, a stator automatic tin immersion detection device includes a rack 1, a rotating disc 2, a fixed disc 3, a divider 4 and a motor 5 installed on the rack 1, the output shaft of the motor 5 is connected with the input shaft of the divider 4, and the divider 4 is fixed on the rack 1; the top of the divider 4 is provided with a fixed shaft and a rotating shaft, the rotating disc 2 is arranged on the rotating shaft of the divider 4, the fixed disc 3 is arranged on the fixed shaft of the divider 4, and the fixed disc 3 is coaxially arranged above the rotating disc 2; a stator feeding station 7, a common wire twisting and cutting station 8, a wire end tidying and cutting station 9, a tin immersion station 10, a wire brushing station 15 and a conduction test station 21 are sequentially arranged in the counterclockwise direction of the rotating disc 2; the first positioning fixture 6 for placing the stator is equidistantly arranged on the rotating disc 2 along the axis of the disc, and each first positioning fixture 6 sequentially passes through the feeding station, the common wire twisting and cutting station 8, the wire end tidying and cutting station 9, the tin immersion station 10, the wire brushing station 15 and the conduction test station 21 to process the wire ends on the stator.

[0030] The first positioning jig 6 comprises a fixing seat 601, a limiting column 602 and a positioning block 603. The fixing seat 601 is fixedly installed with the rotating disc 2. The limiting column 602 is elastically installed on the fixing seat 601. The fixing seat 601 is provided with a first installation through hole 601-1. The limiting column 602 is in the first installation through hole 601-1. The top of the limiting column 602 penetrates the top end of the fixing seat 601. The top of the limiting column 602 is provided with a first limiting plate 602-1 protruding outward. The first limiting plate 602-1 is above the fixing seat 601. The lower part of the limiting column 602 penetrates the rotating disc 2. The lower part of the limiting column 602 is sleeved with a limiting ring 606. The lower part of the limiting column 602 is installed with a first compression spring 604. The first compression spring 604 is pressed between the rotating disc 2 and the limiting ring 606. The positioning block 603 is fixed above the limiting column 602 for placing the stator. The positioning block 603 is provided with an upward protruding insertion column 603-1 for being inserted with the stator. The fixing seat 601 is provided with two concave notches along the axis of the first installation through hole 601-1, which are a first positioning groove 601-2 and a second positioning groove 601-3. The first limiting plate 602-1 is installed with a positioning column 605 for being inserted with the first positioning groove 601-2 or the second positioning groove 601-3. The lower part of the first positioning jig 6 corresponding to the stator feeding station 7 and the wire brushing station 15 is provided with a stator reversing driving member 22 for reversing the first positioning jig 6.

[0031] The stator feeding station 7 comprises a stator conveying belt 701 and a stator feeding manipulator 702. The stator conveying belt 701 is fixed on the rack 1 and arranged along the transverse direction. The stator feeding manipulator 702 comprises a first mounting frame 702-1, a first Y-axis driving member 702-2, a first Z-axis driving member 702-3, a second Z-axis driving member 702-5 and a first clamping assembly 702-7. The first Y-axis driving member 702-2 is fixed on the first mounting frame 702-1. The first Z-axis driving member 702-3 is drivingly installed with the first Y-axis driving member 702-2 through a first driving plate 702-4. The second Z-axis driving member 702-5 is drivingly installed with the first Z-axis driving member 702-3 through a second driving plate 702-6. The first clamping assembly 702-7 is below the second Z-axis driving member 702-5 and drivingly installed with the second Z-axis driving member 702-5. The first clamping assembly 702-7 comprises a first finger air cylinder 702-7A and first clamping arms 702-7B installed on two output shafts of the first finger air cylinder 702-7A. The first clamping arms 702-7B are L-shaped structures. The two sides of the stator are clamped and taken by the two first clamping arms 702-7B.

[0032] The stator reversing driving member 22 comprises a first bottom plate 2201, a first motor 2204, a first cylinder 2202 and a driving frame 2203, the first motor 2204 is fixed on the first bottom plate 2201, the first cylinder 2202 is fixedly installed on one side of the first motor 2204 and the first bottom plate 2201, and the driving frame 2203 is above the first motor 2204, the output shaft of the first motor 2204 penetrates through the driving frame 2203, the driving frame 2203 comprises a first connecting plate 2203-1, a second connecting plate 2203-2 and a fixing column 2203-3 installed between the first connecting plate 2203-1 and the second connecting plate 2203-2, the first connecting plate 2203-1 is provided with a second mounting through hole, the second connecting plate 2203-2 is provided with a third mounting through hole coaxially arranged with the second mounting through hole, the output end of the first motor 2204 penetrates through the second mounting through hole and the third mounting through hole, and a bearing 2205 is arranged between the output end of the first motor 2204 and the third mounting through hole, a top block 2206 is fixedly arranged on the top of the output end of the first motor 2204, the top block 2206 is provided with an inner recessed third positioning groove 2206-1 matched with the bottom structure of the limiting column 602, and the first cylinder 2202 is drivingly installed on one side of the first connecting plate 2203-1. When the stator is installed from the feeding station, the positioning column 605 is in the first positioning groove 601-2, the direction of the stator needs to be rotated by a certain angle due to the need of shearing, the output shaft of the first motor 2204 is lifted upward by driving the driving frame 2203 through the first cylinder 2202, that is, the top block 2206 is moved upward, the bottom of the limiting column 602 is inserted into the third positioning groove 2206-1, the limiting column 602 is lifted upward at the same time, and the insertion column 603-1 is inserted into the stator, after the stator is fixedly inserted with the insertion column 603-1, the feeding manipulator is reset, the limiting column 602 is rotated to a set angle by the first motor 2204, the positioning column 605 is inserted into the second positioning groove 601-3, and the feeding and installation of the stator are completed, the first cylinder 2202 drives the top block 2206 to reset and separate from the limiting column 602, and the limiting column 602 is stably arranged in the fixed seat 601 under the reaction force of the first compression spring 604.

[0033] The tin dipping station 10 of the present application comprises a first tin dipping carrying manipulator 11, a second tin dipping carrying manipulator 12, a tin dipping tank 13 and a tin scraping assembly 14, the first tin dipping carrying manipulator 11 and the second tin dipping carrying manipulator 12 are the same structure and are symmetrically installed on the rack 1, the tin dipping tank 13 is between the first tin dipping carrying manipulator 11 and the second tin dipping carrying manipulator 12, and the tin scraping assembly 14 comprises a tin scraping plate 1408 moving in the tin dipping tank 13.

[0034] The first tin immersion carrying manipulator 11 comprises a second mounting frame 1101, a second Y-axis driving member 1102, a third Z-axis driving member 1104, a first rotating driving member 1105 and a second clamping assembly 1107, the second mounting frame 1101 is fixed on the rack 1, the second Y-axis driving member 1102 is fixed above the second mounting frame 1101, the third Z-axis driving member 1104 is drivingly mounted with the second Y-axis driving member 1102 through a third driving plate 1103, the first rotating driving member 1105 is drivingly mounted with the third Z-axis driving member 1104 through a fourth driving plate 1106, and the second clamping assembly 1107 is drivingly mounted with the first rotating driving member 1105 through a fifth driving plate 1108, and the first rotating driving member 1105 drives the second clamping assembly 1107 to overturn along the Y-axis direction.

[0035] The second clamping assembly 1107 comprises a second finger air cylinder 1107-1 and two second clamping arms 1107-2 mounted on two output shafts of the second finger air cylinder 1107-1, the two second clamping arms 1107-2 are Z-shaped structures, and the two sides of the stator are clamped and taken by the two second clamping arms 1107-2.

[0036] The tin scraping assembly 14 further comprises a first X-axis driving member 1401, a second X-axis driving member 1404 and a fourth Z-axis driving member 1402 for driving the tin scraping plate 1408 to move, the first X-axis driving member 1401 is fixed on the rack 1, the fourth Z-axis driving member 1402 is drivingly mounted with the first X-axis driving member 1401 through a sixth driving plate 1403, the second X-axis driving member 1404 is drivingly mounted with the fourth Z-axis driving member 1402 through a seventh driving plate 1405, a connecting block 1406 is fixed on an output shaft of the second X-axis driving member 1404, a connecting shaft 1407 is fixed on the connecting block 1406, and the tin scraping plate 1408 is rotatably mounted with the connecting shaft 1407 through a hinge assembly. Two groups of tin immersion carrying manipulators with the same structure are arranged on the tin immersion station 10 to carry the stator, the first tin immersion carrying manipulator 11 and the second tin immersion carrying manipulator 12 are first at the original point, then the first tin immersion carrying manipulator 11 lowers to take the material and overturns to immerse the tin, the second tin immersion carrying manipulator 12 takes the material and overturns to the high point, the first tin immersion carrying manipulator 11 overturns to place the material after immersing the tin, the second tin immersion carrying manipulator 12 returns to the high point after immersing the tin, the first tin immersion carrying manipulator 11 overturns to immerse the tin, and the second tin immersion carrying manipulator 12 overturns to place the material, and the two manipulators staggered work, which effectively improves the tin immersion efficiency of the stator.

[0037] The wire brushing station 15 is used for arranging the wire after immersion in tin, and the wire brushing station 15 comprises a wire brushing conveying manipulator 16, a wire arranging clamp table 19, a wire brushing brush 17 and a material collecting box 20. The wire brushing conveying manipulator 16 is located at the front side of the wire arranging clamp table 19 and the wire brushing brush 17, and the material collecting box 20 is located below the wire arranging clamp table 19 and the wire brushing brush 17 and is used for collecting tin beads dropped from the wire. The wire brushing conveying manipulator 16 comprises a third mounting frame 1601, a sixth Z-axis driving member 1602, a second rotary driving member 1604 and a third clamping assembly 1606. The third mounting frame 1601 is fixed on the rack 1, the sixth Z-axis driving member 1602 is fixed on the third mounting frame 1601, the second rotary driving member 1604 is drivingly installed with the sixth Z-axis driving member 1602 through an eighth driving plate 1603, and the third clamping assembly 1606 is drivingly installed with the second rotary driving member 1604 through a ninth driving plate 1605. The third clamping assembly 1606 comprises a third finger air cylinder 1606-1 and a third clamping arm 1606-2 installed on two output shafts of the third finger air cylinder 1606-1. The third clamping arm 1606-2 has a Z-shaped structure and is used for clamping and taking the two sides of the stator. After the stator is subjected to the immersion tin operation, the stator is rotated to a set angle through a stator reversing driving member 22, the wire brushing conveying manipulator 16 is used for grabbing the corresponding stator and turning over above the material collecting box 20, the wire brushing brush 17 is used for moving forward and backward through a third Y-axis driving member 18 to scrape and brush the cable on the stator, and the wire arranging clamp table 19 is used for clamping the wire to shape the cable.

[0038] The on test station 21 of the present application comprises a test conveying manipulator 2105, a first test table 2101, a second test table 2102, a first discharging conveying belt 2103 and a second discharging conveying belt 2104. The test conveying manipulator 2105 is used for clamping and conveying the stator. The first test table 2101 and the second test table 2102 are located on one side of the rotary disc 2 and have the same structure. The first discharging conveying belt 2103 and the second discharging conveying belt 2104 are parallelly arranged and fixed on the rack 1 and are respectively used for discharging and conveying the qualified products and the unqualified products. The two test tables are connected with a comprehensive tester. After the on performance test, the comprehensive test is completed through the information such as the low resistance value, the insulation resistance value and the current value displayed on the comprehensive tester. The test conveying manipulator 2105 is used for distinguishing and placing the qualified products and the unqualified products on the corresponding conveying belts.

[0039] Compared with the prior art, the stator automatic tin immersion detection equipment provided by the application can conveniently perform wire twisting, wire cutting, wire trimming, wire smoothing, tin immersion and conductive performance detection by sequentially connecting each process, each assembly station is synchronously arranged along the circumference of the rotating disc, the automatic, continuous and precise processing mode is realized, the manual participation is reduced, the production efficiency is improved, and the stability of the stator tin immersion processing quality is ensured.

[0040] It will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than by the foregoing description, and it is intended that all changes that come within the meaning and range of equivalency of the claims are embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the features to which the reference signs are attached.

[0041] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the application needs to exhibit each and every characteristic specified in the disclosure. Deliberate limitations can be set on the scope of an embodiment of the application in other cases by express definition of its limitations in the specification. The specification, therefore, is to be regarded in an illustrative rather than a restrictive sense, the sole purpose being to explain the principles of the application. The scope of the application is best determined by a study of the claims.

Claims

1. An automatic stator tin-dipping inspection device, characterized in that: The system includes a frame and a rotating disk, a fixed disk, a divider, and a motor mounted on the frame. The output shaft of the motor is connected to the input shaft of the divider, and the divider is fixed to the frame. A fixed shaft and a rotating shaft are provided on the top of the divider. The rotating disk is mounted on the rotating shaft of the divider, and the fixed disk is mounted on the fixed shaft of the divider. The fixed disk is located above the rotating disk and coaxially arranged. Along the counter-clockwise direction of the rotating disk, there are sequentially arranged a stator loading station, a common wire twisting and cutting station, a wire outlet wire trimming and cutting station, a soldering station, a wire brushing station, and a continuity test station. The rotating disk has first positioning fixtures equidistantly arranged along its axis for placing the stator. Each first positioning fixture passes through the loading station, common wire twisting and cutting station, wire outlet wire trimming and cutting station, soldering station, wire brushing station, and continuity test station to process the wire ends on the stator. Each first positioning fixture includes a fixed base, a limiting post, and a positioning block. The fixed base and the rotating disk are fixedly installed. The limiting post is elastically installed on the fixed base. The fixed base has a first mounting through hole. The limiting post is inside the first mounting through hole. The top of the limiting post passes through the top of the fixed base. The top of the limiting post has an outwardly protruding first limiting plate. The first limiting plate is above the fixed base. The bottom of the limiting post passes through the rotating disk. A limiting ring is sleeved below the limiting post. A first compression spring is installed below the limiting post. The first compression spring is pressed between the rotating disk and the limiting ring. The positioning block is fixed above the limiting post for placing the stator. The fixed base has two concave slots along the axis of the first mounting through hole, which are the first positioning slot and the second positioning slot, respectively. A positioning post is installed on the first limiting plate and is inserted into the first positioning slot or the second positioning slot. A stator reversing drive is provided below the first positioning fixture corresponding to the stator loading station and the brushing station for reversing the first positioning fixture.

2. The automatic stator tin-dipping inspection device according to claim 1, characterized in that: The stator loading station includes a stator conveyor belt and a stator loading robot. The stator conveyor belt is fixed on the frame and arranged laterally. The stator loading robot includes a first mounting frame, a first Y-axis drive, a first Z-axis drive, a second Z-axis drive, and a first clamping assembly. The first Y-axis drive is fixed on the first mounting frame. The first Z-axis drive is driven and mounted to the first Y-axis drive via a first drive plate. The second Z-axis drive is driven and mounted to the first Z-axis drive via a second drive plate. The first clamping assembly is below the second Z-axis drive and driven and mounted to the second Z-axis drive. The first clamping assembly includes a first finger cylinder and first clamping arms mounted on the two output shafts of the first finger cylinder. The first clamping arms have an L-shaped structure, and the two first clamping arms clamp and pick up the two sides of the stator.

3. The automatic stator tin-dipping inspection device according to claim 2, characterized in that: The stator commutation drive includes a first base plate, a first motor, a first cylinder, and a drive frame. The first motor is fixed to the first base plate. The first cylinder is fixedly installed on one side of the first motor and to the first base plate. The drive frame is above the first motor. The output shaft of the first motor passes through the drive frame. The drive frame includes a first connecting plate, a second connecting plate, and a fixing post installed between the first and second connecting plates. The first connecting plate has a second mounting through hole, and the second connecting plate has a third mounting through hole coaxially arranged with the second mounting through hole. The output end of the first motor passes through the second and third mounting through holes. A bearing is provided between the output end of the first motor and the third mounting through hole. A top block is fixed to the top of the output end of the first motor. The top block has a recessed third positioning groove that matches the bottom structure of the limiting post. The first cylinder is driven and installed on one side of the first connecting plate.

4. The automatic stator tin-dipping inspection device according to claim 3, characterized in that: The tin-dipping station includes a first tin-dipping transport robot, a second tin-dipping transport robot, a tin-dipping tank, and a tin-scraping assembly. The first and second tin-dipping transport robots have the same structure and are symmetrically mounted on the frame. The tin-dipping tank is located between the first and second tin-dipping transport robots. The tin-scraping assembly includes a tin scraper that moves within the tin-dipping tank.

5. The automatic stator tin-dipping inspection device according to claim 4, characterized in that: The first tin-dipping handling robot includes a second mounting frame, a second Y-axis drive, a third Z-axis drive, a first rotary drive, and a second clamping assembly. The second mounting frame is fixed on the frame, and the second Y-axis drive is fixed above the second mounting frame. The third Z-axis drive is driven and mounted to the second Y-axis drive via a third drive plate. The first rotary drive is driven and mounted to the third Z-axis drive via a fourth drive plate. The second clamping assembly is driven and mounted to the first rotary drive via a fifth drive plate. The first rotary drive drives the second clamping cylinder to rotate along the Y-axis direction.

6. The automatic stator tin-dipping inspection device according to claim 5, characterized in that: The second clamping assembly includes a second finger cylinder and second clamping arms mounted on two output shafts of the second finger cylinder. The second clamping arms have a Z-shaped structure and clamp and pick up the two sides of the stator through the two second clamping arms.

7. The automatic stator tin-dipping inspection device according to claim 6, characterized in that: The solder scraping assembly further includes a first X-axis drive, a second X-axis drive, and a fourth Z-axis drive for driving the solder scraper. The first X-axis drive is fixed on the frame. The fourth Z-axis drive is driven and installed with the first X-axis drive via a sixth drive plate. The second X-axis drive is driven and installed with the fourth Z-axis drive via a seventh drive plate. A connecting block is fixed on the output shaft of the second X-axis drive, and a connecting shaft is fixed on the connecting block. The solder scraper and the connecting shaft are rotatably installed via a hinge assembly.

8. The automatic stator tin-dipping inspection device according to claim 3, characterized in that: The wire brushing station is used to organize the wires after tinning. The wire brushing station includes a wire brushing and handling robot, a wire cleaving table, a wire brush, and a collection box. The wire brushing and handling robot is located in front of the wire cleaving table and the brush. The collection box is located below the wire cleaving table and the brush and is used to collect the solder beads dripping from the wires. The wire brushing and handling robot includes a third mounting frame, a sixth Z-axis drive, a second rotary drive, and a third clamping assembly. The third mounting frame is fixed on the frame, and the sixth Z-axis drive is fixed on the third mounting frame. The second rotary drive is driven and installed by the sixth Z-axis drive via an eighth drive plate. The third clamping assembly is driven and installed by the second rotary drive via a ninth drive plate. The third clamping assembly includes a third finger cylinder and third clamping arms mounted on the two output shafts of the third finger cylinder. The third clamping arms have a Z-shaped structure and clamp and pick up the two sides of the stator through the two third clamping arms.

9. The automatic stator tin-dipping inspection device according to claim 8, characterized in that: The continuity test station includes a test handling robot, a first test table, a second test table, a first unloading conveyor belt, and a second unloading conveyor belt. The test handling robot is equipped with a fourth clamping component to clamp and handle the stator. The first test table and the second test table are both located on one side of the rotary table and have the same structure. The first unloading conveyor belt and the second unloading conveyor belt are arranged in parallel and fixed on the frame. The first unloading conveyor belt and the second unloading conveyor belt are used for unloading and conveying qualified products and defective products, respectively.

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