Stator detection terminal mounting apparatus and detection terminal mounting method

Abstract

This invention discloses a stator terminal insertion testing device and its testing and insertion method, relating to the technical field of automated motor assembly equipment. The stator terminal insertion testing device includes a conveyor line, a marking mechanism, a marking detection mechanism, a weld detection mechanism, an outer diameter detection mechanism, an inner diameter detection mechanism, a detection mechanism for detecting the position of stator leads, a wire management mechanism for organizing and securing the leads, a pre-insertion mechanism for pre-inserting terminals into the stator, a fastening mechanism for securing the stator into the stator, a bending mechanism for bending several terminals in the stator, and a cutting mechanism. The conveyor line enables stator transport, resulting in a compact overall structure and reduced footprint. The wire management mechanism secures the leads within the stator, preventing lead misalignment and reducing the defect rate. The cutting mechanism limits the position of the stator leads, preventing positional deviation during cutting and improving cutting accuracy.

Description

Technical Field

[0001] This invention relates to the field of automated motor assembly equipment, and in particular to a stator terminal testing and insertion device and its testing and insertion method. Background Technology

[0002] An electric motor consists of a stator and a rotor. During motor assembly, the stator needs to be assembled. First, the iron core is wound, and then several iron cores are joined together to form a circular stator. The stator welds need to be inspected to ensure they meet requirements. The assembled stator is then marked. The upper surface of the stator has several terminal slots for inserting terminals, which are then inserted into these slots. The upper ends of the terminals are then bent to cut the stator leads, ensuring consistent lead lengths. Existing technologies often suffer from lead displacement during stator lead cutting due to the lack of limiting mechanisms, leading to increased defect rates. Similarly, the lack of limiting mechanisms during lead arrangement results in poor lead alignment accuracy. Furthermore, existing stator inspection and insertion technologies have complex overall structures and occupy a large area. Therefore, there is an urgent need to develop a stator inspection and insertion terminal device and method to meet practical application needs. Summary of the Invention

[0003] In view of this, the present invention addresses the deficiencies of the existing technology, and its main objective is to provide a stator testing and insertion terminal device and its testing and insertion method. It achieves stator transportation by using a conveyor line, resulting in a compact overall structure and reduced footprint. A wire management mechanism is used to firmly press the leads into the stator, preventing lead misalignment and reducing the defect rate. A wire cutting mechanism is used to limit the stator leads, preventing stator lead misalignment during the cutting process and improving cutting accuracy.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A stator terminal insertion testing device includes a conveyor line for conveying the stator, a marking mechanism for laser marking the stator, a marking detection mechanism for detecting whether the stator has been marked, a weld detection mechanism for detecting whether the stator weld meets the requirements, an outer diameter detection mechanism for detecting the outer diameter of the stator, an inner diameter detection mechanism for detecting the inner diameter of the stator, a detection mechanism for detecting the position of the stator lead wires, a wire management mechanism for organizing and securing the lead wires, a pre-insertion mechanism for pre-inserting the terminals into the stator, a fastening mechanism for fastening and securing the stator into the stator, a bending mechanism for bending several terminals in the stator, and a cutting mechanism for cutting the stator lead wires. A workbench for installing the conveyor line is provided on the frame. The marking mechanism, marking detection mechanism, weld detection mechanism, outer diameter detection mechanism, inner diameter detection mechanism, detection mechanism, wire management mechanism, pre-insertion mechanism, fastening mechanism, bending mechanism, and cutting mechanism are sequentially distributed along the conveying direction of the conveyor line.

[0006] As a preferred embodiment, the stator inspection terminal insertion device further includes a transfer mechanism for transferring the stator to the conveyor line, a dust cleaning mechanism for cleaning dust inside the stator, a transfer mechanism for transferring the stator between the conveyor line and the outer diameter inspection mechanism, a defective product transfer mechanism for discharging defective products, and a discharge mechanism for transferring good products. The transfer mechanism is located beside the conveyor line, the dust cleaning mechanism is located between the weld inspection mechanism and the outer diameter inspection mechanism, and the defective product transfer mechanism is located beside the tangent mechanism.

[0007] As a preferred embodiment: the conveyor line includes a first conveyor section, a first semi-circular arc conveyor section, a second conveyor section, a second semi-circular arc conveyor section, and a feeding seat for placing the stator, all arranged in a racetrack shape; the feeding seat has a slot; both the first and second semi-circular arc conveyor sections include a semi-circular arc track, a vertical drive cylinder, a rotary motor, a rotating block, and a pin; the rotary motor is mounted on the output end of the vertical drive cylinder, the rotating block is mounted on the shaft end of the rotary motor, and the pin is disposed on the rotating block, matching the slot; the feeding seat is movably located on the semi-circular arc track via the slot and the pin.

[0008] As a preferred embodiment: the outer diameter detection mechanism includes a lifting drive assembly, a rotary drive assembly, a shift drive cylinder, and a displacement sensor. The rotary drive assembly and the shift drive cylinder are both installed at the output end of the lifting drive assembly, and the displacement sensor is installed at the output end of the shift drive cylinder, with the displacement sensor facing the output end of the rotary drive assembly.

[0009] As a preferred embodiment: the marking mechanism includes a lifting drive device, a lifting slide, and a laser marking device. The lifting slide is mounted on the output end of the lifting drive device, and the laser marking device is mounted on the lifting slide. The marking detection mechanism includes a first position adjustment device and a first CCD camera. The first CCD camera is mounted on the output end of the first position adjustment device, and both the laser marking device and the first CCD camera face the stator on the feeding seat.

[0010] As a preferred embodiment, the pre-insertion mechanism includes a transfer drive assembly for transferring the stator, a material transfer assembly for placing the stator and moving the stator, and a pre-pressing assembly for pre-inserting the terminals into the stator, the material transfer assembly being located between the transfer drive assembly and the pre-pressing assembly.

[0011] As a preferred embodiment: the fastening mechanism includes a support base, a pressure drive assembly, and a pressure plate. The pressure drive assembly is mounted on the support base, and the pressure plate is detachably mounted on the output end of the pressure drive assembly. The pressure plate is provided with pressure blocks corresponding to the terminals.

[0012] As a preferred embodiment, the tangent mechanism includes a longitudinal movement drive component, a vertical movement drive component, and a tangent component, wherein the vertical movement drive component is mounted at the output end of the longitudinal movement drive component, and the tangent component is mounted at the output end of the vertical movement drive component.

[0013] As a preferred embodiment: the bending mechanism includes a lifting and moving drive assembly, a pressure seat, and a bending pressure column. The pressure seat is installed at the output end of the lifting and moving drive assembly, and the bending pressure column is installed on the lower surface of the pressure seat. The lower end of the bending pressure column can descend to press down on the upper end of the bending terminal.

[0014] The detection and insertion method of the stator detection and insertion terminal equipment includes the following steps:

[0015] First, the transfer mechanism transfers the stator to the conveyor line, and the conveyor line transports the stator forward.

[0016] Second, the stator is transported to the side of the marking mechanism, where the marking mechanism laser-marks the stator.

[0017] Third, the stator is transported to the side of the coding and testing mechanism, which checks whether the stator has been coded.

[0018] Fourth, the dust removal mechanism cleans the dust from the stator;

[0019] Fifth, when the stator is transported to the side of the transfer mechanism, the transfer mechanism will transfer the stator on the conveyor line to the outer diameter detection mechanism, which will then check whether the outer diameter of the stator meets the requirements.

[0020] Sixth, the weld inspection mechanism checks whether the stator welds located on the outer diameter inspection mechanism meet the requirements;

[0021] Seventh, the transfer mechanism transfers the stator that has been inspected on the outer diameter inspection mechanism to the conveyor line, and the conveyor line transports the stator to the side of the inner diameter inspection mechanism; the inner diameter inspection mechanism inspects whether the inner diameter of the stator meets the requirements;

[0022] Eighth, when the stator is transported to the side of the detection mechanism used to detect the position of the stator leads, the detection mechanism checks whether the position of the stator leads meets the requirements;

[0023] Ninth, when the stator is conveyed to the side of the wire management mechanism, the wire management mechanism presses down on the stator leads and secures the stator leads into the stator;

[0024] Tenth, when the stator is conveyed to the side of the pre-insertion mechanism, the pre-insertion mechanism pre-inserts the terminals into the stator;

[0025] Eleventh, when the stator is conveyed to the side of the fastening mechanism, the fastening mechanism will fasten and press the terminals into the stator;

[0026] Twelfth, when the stator is transported to the side of the bending mechanism, the bending mechanism will bend the terminals in the stator;

[0027] Thirteenth, when the stator is conveyed to the side of the tangent mechanism, the tangent mechanism cuts off the ends of the stator leads;

[0028] Fourteenth, when the stator is conveyed to the side of the defective product transfer mechanism, the transfer mechanism will transfer the defective product; Fifteenth, when the stator is conveyed to the side of the discharge mechanism, the discharge mechanism will discharge the stator.

[0029] Compared with existing technologies, this invention has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, by employing a conveyor line, a coding mechanism, a coding detection mechanism, a weld detection mechanism, an outer diameter detection mechanism, an inner diameter detection mechanism, a detection mechanism, a wire management mechanism, a pre-insertion mechanism, and a fastening mechanism, The bending and tangling mechanisms automate the stator's feeding, marking, marking inspection, weld inspection, outer diameter inspection, inner diameter inspection, lead wire position detection, wire arrangement, pre-insertion, fastening, terminal bending, and wire cutting, improving work efficiency. The overall structure is compact and occupies little space. The stator is fed using a first conveying section, a first semi-circular arc conveying section, a second conveying section, and a second semi-circular arc conveying section, resulting in a compact structure and reduced footprint. The wire arrangement mechanism securely presses the lead wires into the stator, preventing lead wire misalignment and reducing the defect rate. The tangling mechanism limits the stator lead wire position, preventing positional deviation during tangling and improving tangling accuracy. The pressure seat of the tangling mechanism is detachably installed at the output end of the lifting and moving drive assembly, facilitating disassembly and replacement and reducing maintenance costs.

[0030] To more clearly illustrate the structural features and effects of the present invention, a detailed description is provided below in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0031] Figure 1 This is a top view of the stator insertion terminal testing device of the present invention;

[0032] Figure 2 This is a three-dimensional structural diagram of the first detection segment of the present invention;

[0033] Figure 3 This is a three-dimensional structural diagram of the transport component of the present invention;

[0034] Figure 4 This is a three-dimensional structural diagram of the conveyor line of the present invention;

[0035] Figure 5 This is a three-dimensional structural diagram of the first semi-circular arc-shaped conveying section of the present invention;

[0036] Figure 6 This is a three-dimensional structural diagram of the coding mechanism of the present invention;

[0037] Figure 7 This is a three-dimensional structural diagram of the coding detection mechanism of the present invention;

[0038] Figure 8 This is a three-dimensional structural diagram of the dust cleaning mechanism of the present invention;

[0039] Figure 9 This is a three-dimensional structural diagram of the transfer mechanism of the present invention;

[0040] Figure 10 This is a three-dimensional structural diagram of the weld inspection mechanism of the present invention;

[0041] Figure 11 This is a three-dimensional structural diagram of the outer diameter detection mechanism of the present invention;

[0042] Figure 12 This is a three-dimensional structural diagram of the inner diameter detection mechanism of the present invention;

[0043] Figure 13 This is a three-dimensional structural diagram of the second insertion section of the present invention;

[0044] Figure 14 This is a three-dimensional structural diagram of the detection component of the present invention;

[0045] Figure 15 This is a three-dimensional structural diagram of the wire management mechanism of the present invention;

[0046] Figure 16 This is a three-dimensional structural diagram of the transfer drive component of the present invention;

[0047] Figure 17 This is a three-dimensional structural diagram of the material loading and transferring component of the present invention;

[0048] Figure 18 This is a three-dimensional structural diagram of the pre-compression assembly of the present invention;

[0049] Figure 19 This is a three-dimensional structural diagram of the fastening mechanism of the present invention;

[0050] Figure 20 This is a schematic diagram of the three-dimensional structure of the third bending tangent segment of the present invention;

[0051] Figure 21 This is a three-dimensional structural diagram of the bending mechanism of the present invention;

[0052] Figure 22 This is a three-dimensional structural diagram of the tangent mechanism of the present invention;

[0053] Figure 23 This is a three-dimensional structural diagram of the material transfer component of the present invention.

[0054] Explanation of reference numerals in the attached diagram:

[0055] In the diagram: 10. Frame; 11. Workbench; A100 First inspection section; A10. Transfer mechanism; A11. Conveying assembly; A12. Handling assembly; A121. Horizontal handling cylinder; A122. Vertical handling cylinder; A123. Clamping cylinder; A20. Conveyor line; A21. First conveyor section; A22. First semi-circular arc conveyor section; A221. Semi-circular arc track; A222. Vertical drive cylinder; A223. Rotary motor; A224. Rotating block; A225. Pin; A23. Second conveyor section; A24. Discharge seat; A241. Slotting; A25. Second semi-circular arc conveyor section; A30. Coding mechanism; A31. Lifting drive device; A32. Lifting slide; A33. Laser coding device; A40. Coding detection mechanism. A41, First position adjustment device; A42, First CCD camera; A50, Dust cleaning mechanism; A51, Support column; A52, First lifting cylinder; A53, Air blowing pipe; A54, Second lifting cylinder; A55, Dust suction hood; A60, Transfer mechanism; A61, Horizontal transfer cylinder; A62, Vertical transfer cylinder; A63, Clamping cylinder; A70, Weld inspection mechanism; A71, Second position adjustment device; A72, Second CCD camera; A80, Outer diameter inspection mechanism; A81, Lifting drive device; A82, Lifting slide; A83, Rotary drive motor; A84, Rotary material seat; A85, Shifting drive cylinder; A86, Displacement sensor; A90, Inner diameter inspection mechanism; A91, Vertical drive assembly; A92, Base column;

[0056] B100, Second insertion section; B10, Detection mechanism; B11, Transport assembly; B12, Detection assembly; B121, Longitudinal transport device; B122, Vertical transport device; B123, CCD camera; B20, Cable management mechanism; B21, Downward drive assembly; B22, Pressure head; B23, Pressure column; B30, Pre-insertion mechanism; B31, Transfer drive assembly; B311, Longitudinal transfer drive cylinder; B312, Vertical transfer drive cylinder; B313, Gripper cylinder; B32. Material loading and transferring assembly; B321, substrate; B322, longitudinal transfer drive device; B323, drive rotary motor; B324, rotating material holder; B33, pre-pressing assembly; B331, longitudinal drive device; B332, vertical drive device; B333, downward press drive cylinder; B334, terminal feeding holder; B335, punching device; B336, push drive device; B40, fastening mechanism; B41, support base; B42, pressing drive assembly; B43, pressure plate; B44, pressure block;

[0057] C100, Third bending tangent segment; C10, Bending mechanism; C11, Lifting and moving drive assembly; C111, Moving drive motor; C112, Sliding seat; C12, Pressure seat; C13, Bending pressure column; C20, Tangent mechanism; C21, Longitudinal moving drive assembly; C22, Vertical moving drive assembly; C231, Lowering drive cylinder; C232, Cutter; C30, Defective product transfer mechanism; C40, Discharge mechanism; C41, Material transfer assembly; C411, Longitudinal moving cylinder; C412, Vertical moving cylinder; C413, Clamping cylinder; C42, Material transfer assembly. Detailed Implementation

[0058] The present invention is as follows Figure 1 As shown in Figure 23, a stator terminal insertion testing device includes a conveyor line A20 for conveying the stator, a marking mechanism A30 for laser marking the stator, a marking detection mechanism A40 for detecting whether the stator has been marked, a weld detection mechanism A70 for detecting whether the stator weld meets the requirements, an outer diameter detection mechanism A80 for detecting the outer diameter of the stator, an inner diameter detection mechanism A90 for detecting the inner diameter of the stator, a detection mechanism B10 for detecting the position of the stator lead wires, a wire management mechanism B20 for organizing and securing the lead wires, a pre-insertion mechanism B30 for pre-inserting the terminals into the stator, a fastening mechanism B40 for fastening and pressing the stator into the stator, a bending mechanism C10 for bending several terminals in the stator, and a wire cutting mechanism C20 for cutting the stator lead wires, wherein:

[0059] The frame 10 is equipped with a workbench 11 for installing the conveyor line A20; the marking mechanism A30, marking detection mechanism A40, weld detection mechanism A70, outer diameter detection mechanism A80, inner diameter detection mechanism A90, detection mechanism B10, wire sorting mechanism B20, pre-insertion mechanism B30, fastening mechanism B40, bending mechanism C10 and tangent mechanism C20 are distributed sequentially along the conveying direction of the conveyor line A20.

[0060] By employing a conveyor line A20, a coding mechanism A30, a coding inspection mechanism A40, a weld inspection mechanism A70, an outer diameter inspection mechanism A80, an inner diameter inspection mechanism A90, an inspection mechanism B10, a wire management mechanism B20, a pre-insertion mechanism B30, a fastening mechanism B40, a bending mechanism C10, and a cutting mechanism C20, the system automates the conveying, coding, coding inspection, weld inspection, outer diameter inspection, inner diameter inspection, lead wire position inspection, wire management, pre-insertion, fastening, terminal bending, and cutting of the stator, thereby improving work efficiency. The overall structure is compact and occupies little space.

[0061] The stator inspection terminal insertion device also includes a transfer mechanism A10 for transferring the stator to the conveyor line A20, a dust cleaning mechanism A50 for cleaning dust inside the stator, a transfer mechanism A60 for transferring the stator between the conveyor line A20 and the outer diameter inspection mechanism A80, a defective product transfer mechanism C30 for discharging defective products, and a discharge mechanism C40 for transferring good products. The transfer mechanism A10 is located beside the conveyor line A20, the dust cleaning mechanism A50 is located between the weld inspection mechanism A70 and the outer diameter inspection mechanism A80, and the defective product transfer mechanism C30 is located beside the tangent mechanism C20.

[0062] The stator terminal testing equipment is divided into a first testing section A100, a second insertion section B100, and a third bending and tangencing section C100. The transfer mechanism A10, the coding mechanism A30, the coding testing mechanism A40, the dust cleaning mechanism A50, the weld testing mechanism A70, the outer diameter testing mechanism A80, the conveying mechanism A60, and the inner diameter testing mechanism A90 are located in the first testing section A100. The testing mechanism B10, the wire management mechanism B20, the pre-insertion mechanism B30, and the fastening mechanism B40 are located in the second insertion section B100. The bending mechanism C10, the tangencing mechanism C20, the defective product transfer mechanism C30, and the discharge mechanism C40 are located in the third bending and tangencing section C100.

[0063] The conveyor line A20 includes a first conveyor section A21, a first semi-circular arc conveyor section A22, a second conveyor section A23, a second semi-circular arc conveyor section A25 arranged in a racetrack shape, and a feeding seat A24 for placing the stator. The feeding seat A24 moves between the first conveyor section A21, the first semi-circular arc conveyor section A22, the second conveyor section A23, and the second semi-circular arc conveyor section A25. The feeding seat A24 has a slot A241.

[0064] The first semi-circular arc conveying section A22 and the second semi-circular arc conveying section A25 both include a semi-circular arc track A221, a vertical drive cylinder A222, a rotary motor A223, a rotating block A224, and a pin A225. The rotary motor A223 is installed at the output end of the vertical drive cylinder A222, the rotating block A224 is installed at the shaft end of the rotary motor A223, and the pin A225 is disposed on the rotating block A224. The pin A225 matches the slot A241. The material feeding seat A24 is movably located on the semi-circular arc track A221 through the slot A241 and the pin A225.

[0065] The stator is placed on the feeding seat A24. The first conveying section A21 conveys the stator to the first semi-circular arc-shaped conveying section A22. The vertical drive cylinder A222 drives the rotary motor A223, the rotating block A224, and the pin A225 to rise. The pin A225 rises and engages in the slot A241 of the feeding seat A24. The rotary motor A223 drives the rotating block A224 to rotate, and the pin A225 drives the feeding seat A24 to rotate with the rotating block A224. The feeding seat A24 slides along the semi-circular arc-shaped track A221, conveying the stator to the second conveying section A23. The second conveying section A23 forward conveys the stator to the second semi-circular arc-shaped conveying section A22. 25; The stator is conveyed by a first conveying section A21, a first semi-circular arc conveying section A22, a second conveying section A23, and a second semi-circular arc conveying section A25. The first semi-circular arc conveying section A22 conveys the stator located in the first conveying section A21 to the second conveying section A23, and the second semi-circular arc conveying section A25 conveys the stator located in the second conveying section A23 to the first conveying section A21, realizing the cyclic movement of the stator. The overall structure is compact and reduces the occupied area. The first conveying section A21 is also equipped with a material sensor for detecting whether there is material on the discharge seat A24 and a dust collector for removing dust from the discharge seat A24.

[0066] The transfer mechanism A10 includes a conveying component A11 and a handling component A12. The handling component A12 includes a horizontal handling cylinder A121, a vertical handling cylinder A122, and a clamping cylinder A123. The vertical handling cylinder A122 is installed at the output end of the horizontal handling cylinder A121, and the clamping cylinder A123 is installed at the output end of the vertical handling cylinder A122.

[0067] The first conveying section A21, the second conveying section A23, and the conveying assembly A11 each include a conveying drive motor and a transmission belt. The transmission belt is installed at the output end of the conveying drive motor, and the stator is located on the transmission belt. The clamping cylinder A123 clamps the stator located on the conveying assembly A11. The transverse transport cylinder A121 and the vertical transport cylinder A122 drive the clamping cylinder A123 to move, transporting the stator to the first conveying section A21.

[0068] The marking mechanism A30 includes a lifting drive device A31, a lifting slide A32, and a laser marking device A33. The lifting slide A32 is mounted on the output end of the lifting drive device A31, and the laser marking device A33 is mounted on the lifting slide A32. The marking detection mechanism A40 includes a first position adjustment device A41 and a first CCD camera A42. The first CCD camera A42 is mounted on the output end of the first position adjustment device A41, and both the laser marking device A33 and the first CCD camera A42 face the stator on the feeding seat A24.

[0069] The lifting drive device A31 drives the lifting slide A32 to rise and fall, and the laser marking device A33 rises and falls with the lifting slide A32. The position of the laser marking device A33 is adjusted to correspond with the stator, and the laser marking device A33 marks the stator. The first position adjustment device A41 drives the first CCD camera A42 to move to the side of the stator. The first CCD camera A42 takes a picture of the stator to detect whether it has been marked. The use of the marking detection mechanism A40 reduces the defect rate.

[0070] The dust cleaning mechanism A50 includes a support column A51, a first lifting cylinder A52, an air blowing pipe A53, a second lifting cylinder A54, and a dust collection hood A55. The first lifting cylinder A52 is installed on the lower side of the support column A51, and the air blowing pipe A53 is installed at the output end of the first lifting cylinder A52, located on the lower surface of the stator. The second lifting cylinder A54 is installed on the upper side of the support column A51, and the dust collection hood A55 is installed at the output end of the second lifting cylinder A54, located on the upper surface of the stator.

[0071] The dust cleaning mechanism A50 cleans the dust from the stator; the first lifting cylinder A52 drives the air blowing pipe A53 to correspond to the lower surface of the stator, and the second lifting cylinder A54 drives the dust suction hood A55 to correspond to the upper surface of the stator. The air blowing pipe A53 blows air into the stator to raise the dust, and the dust suction hood A55 is connected to a vacuum cleaner to suck up the dust inside the stator.

[0072] The outer diameter detection mechanism A80 includes a lifting drive assembly, a rotary drive assembly, a shift drive cylinder A85, and a displacement sensor A86. The rotary drive assembly and the shift drive cylinder A85 are both installed at the output end of the lifting drive assembly, and the displacement sensor A86 is installed at the output end of the shift drive cylinder A85, with the displacement sensor A86 facing the output end of the rotary drive assembly.

[0073] The lifting drive assembly includes a lifting drive device A81 and a lifting slide A82. The rotary drive assembly includes a rotary drive motor A83 and a rotary material holder A84. The lifting slide A82 is mounted on the output end of the lifting drive device A81. The rotary drive motor A83 is mounted on the lifting slide A82. The rotary material holder A84 is mounted on the shaft end of the rotary drive motor A83. The displacement drive cylinder A85 is mounted on the lifting slide A82. The displacement sensor A86 faces the rotary material holder A84. There are three displacement drive cylinders A85 and three displacement sensors A86. The three displacement drive cylinders A85 are evenly distributed on the outside of the rotary material holder A84.

[0074] Both the lifting drive device A81 and the lifting drive device A31 include a lifting drive motor and a lead screw. The lead screw is mounted on the shaft end of the lifting drive motor. By using the lifting drive motor and the lead screw to provide driving force, the accuracy of position movement is improved.

[0075] The lifting drive assembly drives the rotary drive assembly, the shift drive cylinder A85, and the displacement sensor A86 to rise, making it easier for the stator to be placed in the rotating material holder A84. The rotary drive motor A83 drives the rotating material holder A84 to rotate, making it easier for the displacement sensor A86 to perform comprehensive detection of the outer wall of the stator. The simultaneous detection of the stator's outer diameter by the three displacement sensors A86 improves work efficiency.

[0076] The transfer mechanism A60 includes a horizontal transfer cylinder A61, a vertical transfer cylinder A62, and a clamping cylinder A63. The vertical transfer cylinder A62 is installed at the output end of the horizontal transfer cylinder A61, and the clamping cylinder A63 is installed at the output end of the vertical transfer cylinder A62. The clamping cylinder A63 can move the stator to the rotating material holder A84. The weld inspection mechanism A70 includes a second position adjustment device A71 and a second CCD camera A72. The second CCD camera A72 is installed at the output end of the second position adjustment device A71 and faces the stator on the rotating material holder A84.

[0077] The first position adjustment device A41 and the second position adjustment device A71 both include an adjustment drive motor, an adjustment lead screw, and a slider. The adjustment lead screw is mounted on the shaft end of the adjustment drive motor, and the adjustment lead screw rotates in conjunction with the slider.

[0078] Clamping cylinder A63 clamps the stator on conveyor line A20. Lateral transfer cylinder A61 and vertical transfer cylinder A62 drive clamping cylinder A63 to move laterally and vertically, transferring the stator to rotating material holder A84 for easy detection of the stator's outer diameter. The second CCD camera A72, driven by the second position adjustment device A71, aligns with the stator to detect the weld seam.

[0079] The inner diameter detection mechanism A90 includes a vertical drive assembly A91 and a base column A92. The base column A92 is installed at the output end of the vertical drive assembly A91 and can descend through the inner wall of the stator on the feeding seat A24.

[0080] After the stator outer diameter is inspected, the transfer mechanism A60 transfers the stator to the conveyor line A20. The conveyor line A20 moves the stator forward to the side of the inner diameter inspection mechanism A90. The vertical drive assembly A91 drives the base column A92 through the inner wall of the stator. The base column A92 can pass through the inner wall of the stator. If the outer diameter of the stator is qualified, the stator is judged to be a qualified product. The vertical drive assembly A91 includes a drive motor, a ball screw, and a slide. The ball screw is installed on the shaft end of the drive motor and rotates with the slide. The use of the outer diameter inspection mechanism A80 and the inner diameter inspection mechanism A90 improves the inspection accuracy and reduces the defect rate.

[0081] By employing a transfer mechanism A10, a conveyor line A20, a marking mechanism A30, a marking inspection mechanism A40, a dust cleaning mechanism A50, a weld inspection mechanism A70, an outer diameter inspection mechanism A80, a transfer mechanism A60, and an inner diameter inspection mechanism A90, the transfer, conveying, laser marking, marking inspection, dust cleaning, weld inspection, outer diameter inspection, transfer, and inner diameter inspection of the stator are automated, reducing labor costs and improving work efficiency. The stator is conveyed using a first conveyor section A21, a first semi-circular arc conveyor section A22, a second conveyor section A23, and a second semi-circular arc conveyor section A25, resulting in a compact overall structure and reduced footprint. The use of outer and inner diameter inspection mechanisms improves inspection accuracy and reduces the defect rate.

[0082] The testing mechanism B10 includes a transport component B11 and a testing component B12. The transport component B11 is located beside the testing component B12. The testing component B12 includes a longitudinal transport device B121, a vertical transport device B122, and a CCD camera B123. The vertical transport device B122 is installed at the output end of the longitudinal transport device B121, and the CCD camera B123 is installed at the output end of the vertical transport device B122.

[0083] The transport assembly B11 transports the stator on the conveyor line A20 to the side of the detection assembly B12. The longitudinal transport device B121 and the vertical transport device B122 drive the CCD camera B123 to move towards the stator. The CCD camera B123 takes pictures of the stator to detect whether the position of the lead wires meets the requirements. By using the transport assembly B11 and the detection assembly B12, the position movement of the stator and the position detection of the lead wires are realized, thus preventing the defect rate problem caused by incorrect stator lead wire position and reducing the defect rate.

[0084] The cable management mechanism B20 includes a pressure drive assembly B21 and a pressure head B22. The pressure head B22 is detachably installed at the output end of the pressure drive assembly B21, and the pressure head B22 is provided with a pressure post B23 corresponding to the lead wire.

[0085] The downward pressure drive assembly B21 drives the pressure head B22 to descend. As the pressure head B22 descends, the pressure column B23 secures the lead wire to the stator, preventing the lead wire from deviating from its position and reducing the defect rate.

[0086] The pre-insertion mechanism B30 includes a transfer drive assembly B31 for transferring the stator, a material transfer assembly B32 for placing the stator and moving the stator, and a pre-pressing assembly B33 for pre-inserting terminals into the stator. The transfer drive assembly B31 is located beside the conveyor line A20, and the material transfer assembly B32 is located between the transfer drive assembly B31 and the pre-pressing assembly B33.

[0087] The transfer drive assembly B31 transfers the stator on the conveyor line A20 to the material transfer assembly B32. The material transfer assembly B32 then moves the stator below the pre-pressing assembly B33, which pre-presses the terminals into the stator. By using the transfer drive assembly B31, the material transfer assembly B32, and the pre-pressing assembly B33, the position movement requirements when inserting the stator terminals are met, and the pre-pressing accuracy is high.

[0088] Both the handling assembly B11 and the transfer drive assembly B31 include a longitudinal transfer drive cylinder B311, a vertical transfer drive cylinder B312, and a gripper cylinder B313 for clamping the fixing unit. The vertical transfer drive cylinder B312 is installed at the output end of the longitudinal transfer drive cylinder B311, and the gripper cylinder B313 is installed at the output end of the vertical transfer drive cylinder B312.

[0089] The gripper cylinder B313 clamps the stator, while the longitudinal transfer drive cylinder B311 and the vertical transfer drive cylinder B312 drive the stator to move longitudinally and vertically, satisfying the stator position movement requirements.

[0090] The material transfer assembly B32 includes a substrate B321, a longitudinal drive device B322, and a rotary drive device. The longitudinal drive device B322 is mounted on the substrate B321, and the rotary drive device is mounted at the output end of the longitudinal drive device B322.

[0091] The rotary drive device includes a drive rotary motor B323 and a rotating material holder B324. The drive rotary motor B323 is mounted on the output end of the longitudinal drive device B322, and the rotating material holder B324 is mounted on the shaft end of the drive rotary motor B323. The rotating material holder B324 is rotatably located at the output end of the longitudinal drive device B322.

[0092] The longitudinal drive device B322 drives the rotary drive device to move longitudinally, meeting the position requirements during the longitudinal transfer of the stator; the drive rotary motor B323 drives the rotating material holder B324 to rotate, facilitating the pre-pressing assembly B33 to press the terminals one by one into the stator; the use of the rotary drive device meets the position movement requirements of the stator rotation during terminal insertion, and the overall structure is compact and occupies little space.

[0093] Both the longitudinal drive device B322 and the longitudinal conveying device B121 include a conveying cylinder and a sliding seat, which is mounted on the shaft end of the conveying cylinder.

[0094] The pre-press assembly B33 includes a longitudinal drive device B331, a vertical drive device B332, a downward drive cylinder B333, a terminal feeding seat B334, a punching device B335, and a pushing drive device B336. The vertical drive device B332 is installed at the output end of the longitudinal drive device B331. The downward drive cylinder B333, the terminal feeding seat B334, the punching device B335, and the pushing drive device B336 are all installed at the output end of the vertical drive device B332. The downward drive cylinder B333 presses down on the stator of the terminal feeding seat B334 inside the punching device B335. The pushing drive device B336 corresponds to the front end of the terminal feeding seat B334.

[0095] Both the longitudinal drive device B331 and the vertical drive device B332 include a drive motor, a lead screw, and a slide. The lead screw is mounted on the shaft end of the drive motor and rotates with the slide, which serves as the output end.

[0096] The longitudinal drive device B331 and the vertical drive device B332 drive the pressing drive cylinder B333, the terminal feeding seat B334, the punching device B335, and the pushing drive device B336 to move synchronously to the top of the stator in the rotating material seat B324. The pressing drive cylinder B333 drives the terminal on the terminal feeding seat B334 to descend into the punching device B335. The terminal is placed on the terminal feeding seat B334 in the form of a strip. The punching device B335 includes a punching cylinder and a punching blade. The punching blade cuts the terminal strip to obtain a single terminal. The pressing drive cylinder B333 drives the single terminal to pass through the lower end of the terminal feeding seat B334 and press it into the stator. The rotating material seat B324 drives the stator to rotate, which facilitates the insertion of the stator into the next terminal.

[0097] The pusher drive device B336 includes a pusher drive cylinder and a pusher rod. The pusher rod is mounted on the shaft end of the pusher drive cylinder and corresponds to a terminal.

[0098] The pusher rod is inserted into the front end of the terminal strip. The pusher drive cylinder drives the pusher rod to move forward, which in turn moves the terminal forward, making it easier to feed the terminal.

[0099] The fastening mechanism B40 includes a support base B41, a pressure drive assembly B42, and a pressure plate B43. The pressure drive assembly B42 is mounted on the support base B41, and the pressure plate B43 is detachably mounted on the output end of the pressure drive assembly B42. The pressure plate B43 is provided with a pressure block B44 corresponding to the terminal.

[0100] The pressure drive assembly B42 drives the pressure plate B43 to descend, and the pressure block B44 descends with the pressure plate B43. The pressure block B44 firmly presses the terminals pre-pressed into the stator into the stator, preventing technical problems such as high defect rate caused by loose terminals. The pressure drive assembly B42, the downward pressure drive assembly B21, and the vertical conveying device B122 all include a drive motor and a ball screw. The ball screw is installed on the shaft end of the drive motor. By using the drive motor and the ball screw to provide driving force, the accuracy of position movement is improved.

[0101] By employing the detection mechanism B12, wire management mechanism B20, pre-insertion mechanism B30, and fastening mechanism B40, the detection, wire management, pre-insertion of terminals, and fastening of terminals of the stator are automated, improving work efficiency and reducing the defect rate of insertion. The wire management mechanism B20 fastens the leads into the stator to prevent the leads from deviating in position, thus reducing the defect rate. The use of the transfer drive assembly B31, the material transfer assembly B32, and the pre-pressing assembly B33 meets the position movement requirements during stator terminal insertion, and the pre-pressing accuracy is high.

[0102] The bending mechanism C10 includes a lifting and moving drive assembly C11, a pressure seat C12, and a bending pressure column C13. The pressure seat C12 is installed at the output end of the lifting and moving drive assembly, and the bending pressure column C13 is installed on the lower surface of the pressure seat C12. The lower end of the bending pressure column C13 can descend to press down on the upper end of the bending terminal.

[0103] The pressure base C12 is detachably installed at the output end of the lifting and moving drive assembly C11. There are several bending pressure columns C13, and each of the several bending pressure columns C13 corresponds to a certain number of terminals.

[0104] The lifting and moving drive assembly C11 drives the pressure seat C12 to descend. The bending pressure column C13 descends with the pressure seat C12 and bends the upper end of the terminal. The pressure seat C12 is detachably installed at the output end of the lifting and moving drive assembly C11, which facilitates the disassembly and replacement of the pressure seat C12 and reduces maintenance costs.

[0105] The tangent mechanism C20 includes a longitudinal movement drive component C21, a vertical movement drive component C22, and a tangent component. The vertical movement drive component C22 is installed at the output end of the longitudinal movement drive component C21, and the tangent component is installed at the output end of the vertical movement drive component C22.

[0106] The tangent assembly includes a descent drive cylinder C231 and the aforementioned cutter C232. The descent drive cylinder C231 is mounted at the output end of the vertical drive assembly, and the cutter C232 is mounted at the shaft end of the descent drive cylinder C231.

[0107] The output end of the vertical movement drive component C22 is provided with a limiting groove for limiting the stator lead, and the cutter C232 can descend to correspond to the stator lead in the limiting groove.

[0108] The longitudinal movement drive assembly C21, the vertical movement drive assembly C22, and the lifting movement drive assembly C11 all include a movement drive motor C111, a ball screw, and a sliding seat C112. The ball screw is mounted on the shaft end of the movement drive motor C111, and the ball screw is rotatably engaged with the sliding seat C112.

[0109] The longitudinal movement drive assembly C21 and the vertical movement drive assembly C22 drive the tangent assembly to move longitudinally and vertically to the stator side of the feeding seat C24. The stator lead wire is placed in the limiting groove. The descending drive cylinder C231 drives the cutter C232 to descend and cut off the end of the stator lead wire. The limiting groove is used to limit the stator lead wire to prevent the stator lead wire from shifting position during the tangent process, thus improving the tangent accuracy.

[0110] Both the defective product transfer mechanism C30 and the discharge mechanism C40 include a transfer component C41 and a transfer component C42, with the transfer component C41 located between the conveyor line A20 and the transfer component C42.

[0111] The material transfer assembly C41 includes a longitudinal transfer cylinder C411, a vertical transfer cylinder C412, and a clamping cylinder C413 for clamping the fixing element. The vertical transfer cylinder C412 is installed at the output end of the longitudinal transfer cylinder C411, and the clamping cylinder C413 is installed at the output end of the vertical transfer cylinder C412.

[0112] The defective product transfer mechanism C30 transfers and recycles defective products, and the discharge mechanism C40 discharges qualified products. The material transfer assembly C42 includes a material transfer drive motor and a conveyor belt. The conveyor belt is installed at the output end of the material transfer drive motor, and the stator is located on the conveyor belt. The clamping cylinder C413 clamps the stator on the unloading seat C24. The longitudinal movement cylinder C411 and the vertical movement cylinder C412 drive the clamping cylinder C413 to move longitudinally and vertically, transferring the stator to the material transfer assembly C42, thus meeting the stator position movement requirements.

[0113] By employing a bending mechanism C10, a cutting mechanism C20, a defective product transfer mechanism C30, and a discharge mechanism C40, the stator bending, cutting, defective product transfer, and discharge are automated, improving work efficiency. The overall structure is compact and occupies little space. Limiting grooves are used to limit the stator leads, preventing the stator leads from shifting position during the cutting process and improving cutting accuracy. The pressure seat is detachably installed at the output end of the lifting and moving drive assembly, facilitating the disassembly and replacement of the pressure seat and reducing maintenance costs.

[0114] The method for detecting and inserting terminals in this stator detection terminal equipment includes the following steps:

[0115] First, the transfer mechanism transfers the stator to the conveyor line, and the conveyor line transports the stator forward.

[0116] Second, the stator is transported to the side of the marking mechanism, where the marking mechanism laser-marks the stator.

[0117] Third, the stator is transported to the side of the coding and testing mechanism, which checks whether the stator has been coded.

[0118] Fourth, the dust removal mechanism cleans the dust from the stator;

[0119] Fifth, when the stator is transported to the side of the transfer mechanism, the transfer mechanism will transfer the stator on the conveyor line to the outer diameter detection mechanism, which will then check whether the outer diameter of the stator meets the requirements.

[0120] Sixth, the weld inspection mechanism checks whether the stator welds located on the outer diameter inspection mechanism meet the requirements;

[0121] Seventh, the transfer mechanism transfers the stator that has been inspected on the outer diameter inspection mechanism to the conveyor line, and the conveyor line transports the stator to the side of the inner diameter inspection mechanism; the inner diameter inspection mechanism inspects whether the inner diameter of the stator meets the requirements;

[0122] Eighth, when the stator is transported to the side of the detection mechanism used to detect the position of the stator leads, the detection mechanism checks whether the position of the stator leads meets the requirements;

[0123] Ninth, when the stator is conveyed to the side of the wire management mechanism, the wire management mechanism presses down on the stator leads and secures the stator leads into the stator;

[0124] Tenth, when the stator is conveyed to the side of the pre-insertion mechanism, the pre-insertion mechanism pre-inserts the terminals into the stator;

[0125] Eleventh, when the stator is conveyed to the side of the fastening mechanism, the fastening mechanism will fasten and press the terminals into the stator;

[0126] Twelfth, when the stator is transported to the side of the bending mechanism, the bending mechanism will bend the terminals in the stator;

[0127] Thirteenth, when the stator is conveyed to the side of the tangent mechanism, the tangent mechanism cuts off the ends of the stator leads;

[0128] Fourteenth, when the stator is conveyed to the side of the defective product transfer mechanism, the transfer mechanism will transfer the defective product; Fifteenth, when the stator is conveyed to the side of the discharge mechanism, the discharge mechanism will discharge the stator.

[0129] The key design feature of this invention is that it automates the conveying, coding, coding detection, weld detection, outer diameter detection, inner diameter detection, lead wire position detection, lead wire arrangement, pre-insertion, fastening, terminal bending, and lead wire cutting of the stator by employing a conveyor line, coding mechanism, coding detection, weld detection, outer diameter detection, inner diameter detection, lead wire position detection, lead wire arrangement, pre-insertion, fastening, bending, and cutting mechanism, thereby improving work efficiency. The overall structure is compact and occupies little space. The stator is conveyed using a first conveyor section, a first semi-circular arc conveyor section, a second conveyor section, and a second semi-circular arc conveyor section, resulting in a compact structure and reduced footprint. The lead wire arrangement mechanism securely presses the lead wires into the stator, preventing lead wire misalignment and reducing the defect rate. The lead wire cutting mechanism limits the stator lead wire position, preventing position deviation during cutting and improving cutting accuracy. The pressure seat of the lead wire cutting mechanism is detachably installed at the output end of the lifting and moving drive assembly, facilitating disassembly and replacement and reducing maintenance costs.

[0130] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A stator terminal testing device, characterized in that; The system includes a frame, a conveyor line for transporting the stator, a marking mechanism for laser marking the stator, a marking inspection mechanism for detecting whether the stator has been marked, a weld inspection mechanism for detecting whether the stator weld meets the requirements, an outer diameter inspection mechanism for detecting the stator's outer diameter, an inner diameter inspection mechanism for detecting the stator's inner diameter, an inspection mechanism for detecting the position of the stator lead wires, a wire management mechanism for organizing and securing the lead wires, a pre-insertion mechanism for pre-inserting terminals into the stator, a fastening mechanism for fastening the stator into the stator, a bending mechanism for bending several terminals in the stator, and a cutting mechanism for cutting the stator lead wires. The frame is equipped with a workbench for installing the conveyor line. The marking mechanism, marking inspection mechanism, weld inspection mechanism, outer diameter inspection mechanism, inner diameter inspection mechanism, inspection mechanism, wire management mechanism, pre-insertion mechanism, fastening mechanism, bending mechanism, and cutting mechanism are sequentially distributed along the conveying direction of the conveyor line. The conveyor line includes a first conveyor section, a first semi-circular arc conveyor section, a second conveyor section, a second semi-circular arc conveyor section, and a feeding seat for placing stators, all arranged in a racetrack shape. The feeding seat has slots. Both the first and second semi-circular arc conveyor sections include a semi-circular track, a vertical drive cylinder, a rotary motor, a rotating block, and a pin. The rotary motor is mounted on the output end of the vertical drive cylinder, the rotating block is mounted on the shaft end of the rotary motor, and the pin is positioned on the rotating block. The pin matches the slots. The feeding seat is movably located on the semi-circular track via the slots and the pins. The tangent mechanism includes a longitudinal movement drive component, a vertical movement drive component, and a tangent component. The vertical movement drive component is installed at the output end of the longitudinal movement drive component, and the tangent component is installed at the output end of the vertical movement drive component. The tangent assembly includes a descent drive cylinder and a cutter. The descent drive cylinder is mounted at the output end of the vertical drive assembly, and the cutter is mounted at the shaft end of the descent drive cylinder. The output end of the vertical movement drive component is provided with a limiting groove for limiting the stator lead, and the cutter can be lowered to correspond to the stator lead in the limiting groove; The cable management mechanism includes a pressure drive assembly and a pressure head. The pressure head is detachably installed at the output end of the pressure drive assembly and is provided with pressure posts corresponding to the lead wires. The downward drive assembly drives the pressure head to descend, and the pressure column descends with the pressure head, pressing the lead wire firmly into the stator to prevent the lead wire from deviating and reduce the defect rate.

2. The stator testing and insertion terminal equipment according to claim 1, characterized in that; It also includes a transfer mechanism for transferring the stator to the conveyor line, a dust cleaning mechanism for cleaning dust inside the stator, a transfer mechanism for transferring the stator between the conveyor line and the outer diameter detection mechanism, a defective product transfer mechanism for discharging defective products, and a discharge mechanism for transferring good products. The transfer mechanism is located beside the conveyor line, the dust cleaning mechanism is located between the weld detection mechanism and the outer diameter detection mechanism, and the defective product transfer mechanism is located beside the tangent mechanism.

3. The stator testing and insertion terminal equipment according to claim 2, characterized in that; The outer diameter detection mechanism includes a lifting drive assembly, a rotary drive assembly, a shift drive cylinder, and a displacement sensor. The rotary drive assembly and the shift drive cylinder are both installed at the output end of the lifting drive assembly, and the displacement sensor is installed at the output end of the shift drive cylinder, with the displacement sensor facing the output end of the rotary drive assembly.

4. The stator testing and insertion terminal equipment according to claim 2, characterized in that; The marking mechanism includes a lifting drive device, a lifting slide, and a laser marking device. The lifting slide is installed at the output end of the lifting drive device, and the laser marking device is installed on the lifting slide. The marking detection mechanism includes a first position adjustment device and a first CCD camera. The first CCD camera is installed at the output end of the first position adjustment device, and both the laser marking device and the first CCD camera face the stator on the feeding seat.

5. The stator testing and insertion terminal equipment according to claim 2, characterized in that; The pre-insertion mechanism includes a transfer drive assembly for transferring the stator, a material loading and transfer assembly for placing the stator and moving the stator, and a pre-pressing assembly for pre-inserting terminals into the stator, the material loading and transfer assembly being located between the transfer drive assembly and the pre-pressing assembly.

6. The stator testing and insertion terminal equipment according to claim 2, characterized in that; The fastening mechanism includes a support base, a pressure drive assembly, and a pressure plate. The pressure drive assembly is mounted on the support base, and the pressure plate is detachably mounted on the output end of the pressure drive assembly. The pressure plate is provided with pressure blocks corresponding to the terminals.

7. The stator testing and insertion terminal equipment according to claim 2, characterized in that; The bending mechanism includes a lifting and moving drive assembly, a pressure seat, and a bending pressure column. The pressure seat is installed at the output end of the lifting and moving drive assembly, and the bending pressure column is installed on the lower surface of the pressure seat. The lower end of the bending pressure column can descend to press down on the upper end of the bending terminal.

8. A method for testing and inserting stator testing terminals as described in any one of claims 2-7, characterized in that: Includes the following steps: First, the transfer mechanism transfers the stator to the conveyor line, and the conveyor line transports the stator forward. Second, the stator is transported to the side of the marking mechanism, where the marking mechanism laser-marks the stator. Third, the stator is transported to the side of the coding and testing mechanism, which checks whether the stator has been coded. Fourth, the dust removal mechanism cleans the dust from the stator; Fifth, when the stator is transported to the side of the transfer mechanism, the transfer mechanism will transfer the stator on the conveyor line to the outer diameter detection mechanism, which will then check whether the outer diameter of the stator meets the requirements. Sixth, the weld inspection mechanism checks whether the stator welds located on the outer diameter inspection mechanism meet the requirements; Seventh, the transfer mechanism transfers the stator that has been inspected on the outer diameter inspection mechanism to the conveyor line, and the conveyor line transports the stator to the side of the inner diameter inspection mechanism; the inner diameter inspection mechanism inspects whether the inner diameter of the stator meets the requirements; Eighth, when the stator is transported to the side of the detection mechanism used to detect the position of the stator leads, the detection mechanism checks whether the position of the stator leads meets the requirements; Ninth, when the stator is conveyed to the side of the wire management mechanism, the wire management mechanism presses down on the stator leads, and secures the stator leads into the stator; Tenth, when the stator is conveyed to the side of the pre-insertion mechanism, the pre-insertion mechanism pre-inserts the terminals into the stator; Eleventh, when the stator is conveyed to the side of the fastening mechanism, the fastening mechanism will fasten and press the terminals into the stator; Twelfth, when the stator is transported to the side of the bending mechanism, the bending mechanism will bend the terminals in the stator; Thirteenth, when the stator is conveyed to the side of the tangent mechanism, the tangent mechanism cuts off the ends of the stator leads; Fourteenth, when the stator is conveyed to the side of the defective product transfer mechanism, the transfer mechanism will transfer the defective product; Fifteenth, when the stator is conveyed to the side of the discharge mechanism, the discharge mechanism will discharge the stator.

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