Stator rounding machine and rounding method thereof

Abstract

The invention discloses a stator rounding machine and a rounding method thereof, and relates to the technical field of motor automatic assembly equipment. The stator rounding machine comprises a frame, an iron core feeding mechanism, a first pre-rounding mechanism, a second pre-rounding mechanism, an iron core ring rail pressing mechanism used for pressing the pre-rounded iron cores collected by the first pre-rounding mechanism and the second pre-rounding mechanism into a ring rail, and a parallel rail feeding mechanism used for feeding the ring rail and discharging the pressed iron core ring rail assembly; the first pre-rounding mechanism is located on the left side of the iron core ring rail pressing mechanism, the second pre-rounding mechanism is located on the right side of the iron core ring rail pressing mechanism, and the parallel rail feeding mechanism is connected to the iron core ring rail pressing mechanism; by adopting two pre-rounding mechanisms to transport the rounded iron cores from both sides to the iron core ring rail pressing mechanism, the iron core ring rail pressing mechanism performs press-fit matching operations on the ring rail and the rounded iron cores collected from both sides, thereby improving and accelerating production efficiency.

Description

Technical Field

[0001] The invention relates to the field of motor automatic assembly technology, in particular to a stator rounding machine and a rounding method thereof. Background Art

[0002] The segmented stator is a stator that is disassembled into individual unit cores. Each core is independently wound as an excitation winding. Multiple stator blocks are then fitted into a circle and nested in a ring track to form the stator of the motor.

[0003] In the production process of the motor, it is necessary to assemble together a plurality of iron cores that have been wound with wires, so that the plurality of iron cores are assembled into a circle and connected to each other; in this process, it is first necessary to pre-tighten the plurality of iron cores to connect the plurality of iron cores to each other in a circle, and then squeeze the pre-tightened plurality of iron cores into the ring rail, so that the plurality of iron cores and the ring rail are tightly combined; in the prior art, the iron core ring rail pressing mechanism has a fast speed, and usually needs to wait for the iron core transferred from the pre-rounding mechanism, which cannot maximize the utilization of the iron core ring rail pressing mechanism, resulting in waste of resources and reduced production efficiency; on the other hand, in the prior art, the rounding process is usually not fully automated, and the product precision is not high and the defective rate is high; therefore, in view of this situation, it is urgent to develop a stator rounding machine to meet the needs of actual use. Summary of the invention

[0004] In view of this, the present invention aims to solve the deficiencies in the prior art, and its main purpose is to provide a stator rounding machine and a rounding method thereof, which adopts two pre-rounding mechanisms to transport the rounded iron cores from both sides to the iron core ring rail pressing mechanism, and the iron core ring rail pressing mechanism performs press-fitting operations on the ring rail and the rounded iron cores gathered from both sides, thereby improving and accelerating production efficiency.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A stator rounding machine comprises a frame, an iron core feeding mechanism, a first pre-rounding mechanism and a second pre-rounding mechanism for pre-rounding the iron cores transferred by the iron core feeding mechanism, an iron core ring rail pressing mechanism for pressing the pre-rounded iron cores collected by the first pre-rounding mechanism and the second pre-rounding mechanism into a ring rail, and a parallel rail feeding mechanism for feeding the ring rail and discharging the pressed iron core ring rail assembly. A workbench for installing the above mechanisms is provided on the frame, the iron core feeding mechanism is connected between the first pre-rounding mechanism and the second pre-rounding mechanism, the first pre-rounding mechanism is located on the left side of the iron core ring rail pressing mechanism, the second pre-rounding mechanism is located on the right side of the iron core ring rail pressing mechanism, and the parallel rail feeding mechanism is connected to the iron core ring rail pressing mechanism.

[0007] As a preferred solution: the core ring rail press-fitting mechanism includes a bracket, a ring rail lifting assembly, an iron core insertion assembly, a pressure head lifting assembly and a vertical drive assembly for driving the pressure head lifting assembly to move vertically; the above-mentioned components are installed on the bracket, the ring rail lifting assembly is located above the iron core insertion assembly, and the vertical drive assembly is located above the pressure head lifting assembly to drive the pressure head lifting assembly to move vertically; the pressure head lifting assembly has a liftable pressure head for pressing a plurality of iron cores, the ring rail lifting assembly has a liftable ring rail placement seat for placing the ring rail, and the ring rail placement seat has a guide for the pressure head to pass through The iron core insertion assembly rises and drives the plurality of iron cores and the pressure head to move upward through the guide hole to clamp the plurality of iron cores in the ring rail; the ring rail lifting assembly also includes a ring rail lifting drive cylinder, the shaft end of the ring rail lifting drive cylinder is connected to the ring rail placement seat, the ring rail lifting drive cylinder is tightly installed on the bracket, the ring rail placement seat can be lifted and moved on the bracket, and the ring rail lifting drive cylinder drives the ring rail on the ring rail placement seat to move upward and abut against the upper side of the bracket to fix the ring rail; the iron core insertion assembly includes an iron core lifting drive device and a lifting seat for placing a plurality of iron cores, the iron core lifting drive The driving device is vertically installed on the lower side of the bracket, and the lifting seat can be installed on the bracket in a lifting and moving manner. The output end of the iron core lifting driving device is connected to the lifting seat, and the iron core lifting driving device drives the lifting seat to rise; the pressure head lifting assembly also includes a pressure head lifting driving cylinder, which is installed on the upper side of the bracket. The above-mentioned pressure head passes through the upper side of the bracket and the ring rail on the ring rail placement seat from top to bottom in sequence to press the cover above the multiple iron cores on the lifting seat, the shaft end of the pressure head lifting driving cylinder is connected to the upper end of the pressure head, and the pressure head lifting driving cylinder drives the pressure head to press the cover above the multiple iron cores. The plurality of iron cores on the driving lifting seat and the pressure heads above the plurality of iron cores are lifted together to lift the plurality of iron cores into the ring rail; the vertical driving assembly comprises a vertical driving cylinder and a vertical slide, the vertical driving cylinder is vertically installed above the bracket, the vertical slide can be vertically moved and is located on the upper side of the bracket, the shaft end of the vertical driving cylinder is connected to the vertical slide, the pressure head lifting driving cylinder is installed on the vertical slide, the vertical driving cylinder drives the pressure head lifting driving cylinder and the pressure head to lift and lower the pressure head so that when the plurality of iron cores are lifted into the ring rail, the pressure head is sequentially penetrated from bottom to top through the ring rail on the ring rail placement seat and the upper side of the bracket.

[0008] As a preferred solution: the parallel track feeding mechanism includes a support, two guide rails arranged in parallel on the support, a sliding material table and a transverse driving device, the two guide rails are slidably matched with at least one sliding material table, and the output end of the transverse driving device is connected to the sliding material table to drive the sliding material table to move transversely on the guide rails; arc-shaped contours are arranged on both sides of the support, and the sliding material table includes a transverse slide, a discharge seat and a contact portion fastened to the discharge seat, the contact portion abuts on the arc-shaped contour, and the discharge seat can be longitudinally moved to the upper surface of the transverse slide, and the discharge seats on the two guide rails move away from each other as the contact portion moves transversely on the arc-shaped contour.

[0009] As a preferred solution: the first pre-circularization mechanism and the second pre-circularization mechanism both include a clamping assembly for clamping a plurality of iron cores, a rotating material receiving assembly for rotatably receiving the plurality of iron cores, and an inserting assembly for inserting the plurality of iron cores from the clamping assembly to the rotating material receiving assembly; the inserting assembly corresponds to the clamping assembly, and the rotating material receiving assembly can be movably located below the inserting assembly; the clamping assembly includes a placing device for placing a plurality of iron cores, a fixing device for fixing the plurality of iron cores on the placing device, and a transverse driving device for driving the placing device and the fixing device to move transversely together; the transverse driving device includes a transverse driving motor , a screw rod and a transverse slide, the shaft end of the transverse drive motor is connected to the screw rod, and the screw rod rotates with the transverse slide; the material placing device includes a rotary drive motor and a material discharge plate, the rotary drive motor is installed on the transverse slide, the material discharge plate is rotatably located on the transverse slide, the shaft end of the rotary drive motor is connected to the material discharge plate, the rotary drive motor drives the material discharge plate to rotate on the transverse slide, and a plurality of material discharge troughs for placing iron cores are arranged at intervals on the material discharge plate, and a magnet for attracting the iron core is arranged on the material discharge trough; the material fixing device includes a fixed material drive cylinder and a fixed material plate, the fixed material drive cylinder is installed on the transverse slide, the fixed material plate is longitudinally movable and located on the transverse slide, the The shaft end of the fixed material driving cylinder is connected to the fixed material plate, and a plurality of grooves for fixing the iron core are arranged at intervals on the fixed material plate, and the plurality of grooves correspond to the plurality of material discharge grooves, and the material discharge plate rotates to drive the material discharge groove to be relatively close to the grooves on the longitudinally movable fixed material plate to fix the iron core between the material discharge groove and the grooves; the rotating material connection assembly includes a longitudinal driving cylinder, a longitudinal slide, a rotating material connection driving motor and a pre-formed round seat, the shaft end of the longitudinal driving cylinder is connected to the longitudinal slide, the rotating material connection driving motor is installed on the longitudinal slide, the pre-formed round seat is rotatably located on the longitudinal slide, the shaft end of the rotating material connection driving motor is connected to the pre-formed round seat, and the pre-formed round seat is provided with a plurality of grooves for placing Preformed circular grooves for multiple iron cores; the insertion assembly includes a bracket, a vertical material moving device and a vertical material pressing device, the vertical material moving device includes a material moving drive cylinder and an inserting rod, the material moving drive cylinder is installed on the bracket, the shaft end of the material moving drive cylinder is connected to the inserting rod, the material moving drive cylinder drives the inserting rod to descend to insert the iron core fixed between the discharge trough and the groove and place it on the preformed circular seat; the vertical material pressing device includes a material pressing drive cylinder and a pressing head, the pressing drive cylinder is installed on the bracket on the side opposite to the material moving drive cylinder, the shaft end of the pressing drive cylinder is connected to the pressing head, and the pressing drive cylinder drives the pressing head to press down the multiple iron cores on the preformed circular seat to preform the multiple iron cores into circles.

[0010] As a preferred solution: the stator rounding machine also includes a first longitudinal material transfer mechanism for transferring the iron core on the iron core feeding mechanism to the first pre-rounding mechanism, a second longitudinal material transfer mechanism for transferring the iron core on the iron core feeding mechanism to the second pre-rounding mechanism, a first transfer mechanism for transferring the pre-rounded iron core from the first pre-rounding mechanism to the iron core ring rail press-fitting mechanism, a second transfer mechanism for transferring the pre-rounded iron core from the second pre-rounding mechanism to the iron core ring rail press-fitting mechanism, a feeding and discharging mechanism for discharging the iron core ring rail assembly after the ring rail is fed and pressed, and a feeding and discharging mechanism for discharging the iron core ring rail assembly that has been pressed by the iron core ring rail press-fitting mechanism. The invention relates to a rotary material exchange mechanism for material and ring rail feeding; the first longitudinal material moving mechanism and the first transfer mechanism are located on the side of the first pre-circularization mechanism, and the second longitudinal material moving mechanism and the second transfer mechanism are located on the side of the second pre-circularization mechanism; the first longitudinal material moving mechanism is distributed between the core feeding mechanism and the first pre-circularization mechanism, and the first transfer mechanism is located between the first pre-circularization mechanism and the core ring rail pressing mechanism; the second longitudinal material moving mechanism is distributed between the core feeding mechanism and the second pre-circularization mechanism, and the second transfer mechanism is located between the second pre-circularization mechanism and the core ring rail pressing mechanism; the parallel rail feeding mechanism is located between the rotary material exchange mechanism and the feeding and discharging mechanism.

[0011] As a preferred scheme: the rotating material exchange mechanism includes a support frame, a longitudinal movement drive assembly, a vertical movement drive assembly and a rotating material clamping assembly, the longitudinal movement drive assembly includes a longitudinal drive device and a longitudinal slide, the longitudinal drive device is installed on the support frame, the longitudinal slide is slidably located on the support frame, the output end of the longitudinal drive device is connected to the longitudinal slide, and the longitudinal drive device drives the longitudinal slide to move longitudinally on the support frame; the vertical movement drive assembly includes a vertical drive device and a vertical slide, the vertical drive device is installed on the longitudinal slide, the vertical slide is slidably located on the longitudinal slide, and the output end of the vertical drive device is connected to the vertical slide; the rotating material clamping assembly includes a rotating cylinder and two material clamping cylinders installed on both sides of the output end of the rotating cylinder, the rotating cylinder is installed on the vertical slide, and the rotating cylinder drives the two material clamping cylinders to rotate.

[0012] As a preferred solution: the first longitudinal material moving mechanism and the second longitudinal material moving mechanism both include a bracket, a longitudinal material moving drive assembly and a vertical material clamping drive assembly, the longitudinal material moving drive assembly includes a longitudinal material moving drive device and a longitudinal slide, the longitudinal material moving drive device is installed on the bracket, the longitudinal slide is slidably located on the bracket, and the output of the longitudinal material moving drive device is connected to the longitudinal slide; the vertical material clamping drive assembly includes a vertical drive cylinder and a plurality of material clamping cylinders, the vertical drive cylinder is installed on the longitudinal slide, the plurality of material clamping cylinders can be vertically movably located on the longitudinal slide, the output end of the vertical drive cylinder is connected to a plurality of material clamping cylinders, and the vertical drive cylinder drives the plurality of material clamping cylinders to move vertically on the longitudinal slide.

[0013] As a preferred solution: the first transfer mechanism and the second transfer mechanism both include a support, a transverse drive assembly, a vertical drive assembly and a clamping cylinder, the transverse drive assembly includes a transverse drive device and a transverse slide, the transverse drive device is installed on the support, the transverse slide is slidably located on the transverse support, and the output end of the transverse drive device is connected to the transverse slide; the vertical drive assembly includes a vertical drive cylinder and a vertical slide, the vertical drive cylinder is installed on the transverse slide, the vertical slide is slidably located on the transverse slide, and the axial end of the vertical drive cylinder is connected to the vertical slide; the clamping cylinder is installed on the vertical slide.

[0014] As a preferred solution: the feeding and discharging mechanism includes a transverse driving assembly and a vertical clamping assembly, the transverse driving assembly includes a transverse driving device and a transverse slide, and the output end of the transverse driving device is connected to the transverse slide; the vertical clamping assembly includes a vertical driving cylinder and a clamping cylinder, the vertical driving cylinder is installed on the transverse slide, the clamping cylinder is slidably located on the transverse slide, the axial end of the vertical driving cylinder is connected to the clamping cylinder, the vertical clamping assembly is divided into two groups, and the two groups of vertical clamping assemblies are installed in parallel on the transverse slide.

[0015] As a preferred solution: the iron core feeding mechanism includes a feeding drive motor, a belt transmission device and a transfer plate, the belt transmission device includes a driving wheel, a driven wheel and a transmission belt, the driving wheel is installed on the shaft end of the feeding drive motor, the transmission belt surrounds the driving wheel and the driven wheel, the transfer plate is located on the transmission belt, and a plurality of discharge seats for placing the iron cores are provided on the transfer plate.

[0016] As a preferred solution: the stator rounding machine also includes a laser code engraving machine for engraving a QR code on the core-ring rail assembly with the core pressed into the ring rail transferred from the parallel rail feeding mechanism, and the laser code engraving machine corresponds to the clamping cylinder of the feeding and discharging mechanism.

[0017] The stator rounding machine rounding method comprises the following steps:

[0018] First, the iron core is fed by the iron core feeding mechanism;

[0019] Second, the first longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the first pre-rounding mechanism, and the second longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the second pre-rounding mechanism;

[0020] Third, the first pre-rounding mechanism and the second pre-rounding mechanism both pre-round a plurality of iron cores through a material clamping assembly, a rotating material connection assembly and a transfer and insertion assembly;

[0021] Fourth, the first transfer mechanism transfers the pre-circularized iron core on the first pre-circularization mechanism to the iron core ring rail press-fitting mechanism, and the second transfer mechanism transfers the pre-circularized iron core on the second pre-circularization mechanism to the iron core ring rail press-fitting mechanism;

[0022] Fifth, the feeding and discharging mechanism transfers the ring rail to the parallel rail feeding mechanism, the rotating exchange material mechanism and the iron core ring rail pressing mechanism in sequence;

[0023] Sixth, the core ring rail pressing mechanism presses the plurality of cores collected from the first pre-circularization mechanism and the second pre-circularization mechanism into the ring rail;

[0024] Seventh, the ring rail that has been pressed into the iron core is then transferred from the rotating material exchange mechanism and the parallel track feeding mechanism in sequence;

[0025] Eighth, the parallel track feeding mechanism transports the iron core to the bottom of the laser coding machine, and the laser coding machine performs coding operation on the iron core;

[0026] Ninth, the products that have passed the coding and ring rail pressing are taken out from the parallel track feeding mechanism by the ring gauge feeding and discharging mechanism.

[0027] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that by adopting a first pre-circularization mechanism, a second pre-circularization mechanism, a core ring rail pressing mechanism and a parallel rail feeding mechanism, the first pre-circularization mechanism and the second pre-circularization mechanism respectively transport the rounded iron cores to the core ring rail pressing mechanism from both sides, and the parallel rail feeding mechanism feeds the ring rail to the core ring rail pressing mechanism; the core ring rail pressing mechanism performs press-fitting operations on the ring rail and the rounded iron cores gathered from both sides; the equipment realizes automatic feeding, press-fitting and coding and discharging of the iron core and the ring rail, so that the rounded iron core and the ring rail can be quickly assembled, thereby improving production efficiency; and two pre-circularization mechanisms are used to feed the core ring rail pressing mechanism from both sides, which greatly improves the utilization rate of the pressing equipment and speeds up the assembly rhythm of the stator.

[0028] In order to more clearly illustrate the structural features and effects of the present invention, it is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the stator rounding machine of the present invention from the first perspective;

[0030] Figure 2 This is a schematic diagram of the three-dimensional structure of the stator rounding machine of the present invention from a second viewing angle (excluding the frame);

[0031] Figure 3 It is a schematic diagram of the three-dimensional structure of the first pre-rounding mechanism and the iron core feeding mechanism of the present invention;

[0032] Figure 4 It is a schematic diagram of the three-dimensional structure of the second pre-rounding mechanism, the iron core ring rail pressing mechanism and the iron core feeding mechanism of the present invention;

[0033] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping assembly of the present invention;

[0034] Figure 6 It is a schematic diagram of the three-dimensional structure of the rotary material connection assembly of the present invention;

[0035] Figure 7 It is a schematic diagram of the three-dimensional structure of the transfer plug-in assembly of the present invention from the first perspective;

[0036] Figure 8 A schematic diagram of the third perspective structure of the transfer and insertion assembly of the present invention;

[0037] Fig. 9 It is a schematic diagram of the three-dimensional structure of the first longitudinal material transfer mechanism of the present invention;

[0038] Fig.10 It is a schematic diagram of the three-dimensional structure of the core rail press-fitting mechanism of the present invention from the first perspective;

[0039] Fig.11 It is a schematic diagram of the three-dimensional structure of the core rail press-fitting mechanism of the present invention from a second viewing angle;

[0040] Fig.12 It is a schematic diagram of the three-dimensional structure of the core rail press-fitting mechanism of the present invention from a third viewing angle;

[0041] Fig.13 For the present invention Fig.11 Enlarged view of point N in the middle.

[0042] Fig.14 It is a schematic diagram of the three-dimensional structure of the parallel track feeding mechanism of the present invention from the first perspective;

[0043] Fig.15 It is a schematic diagram of the three-dimensional structure of the parallel track feeding mechanism of the present invention from a second viewing angle;

[0044] Fig.16It is a schematic diagram of the three-dimensional structure of the parallel track feeding mechanism of the present invention from a third viewing angle;

[0045] Fig.17 For the present invention Fig.14 Enlarged view of the M in the middle;

[0046] Fig.18 It is a schematic diagram of the three-dimensional structure of the rotary material exchange mechanism of the present invention;

[0047] Fig.19 It is a schematic diagram of the three-dimensional structure of the ring track recovery mechanism of the present invention.

[0048] Description of the accompanying drawings:

[0049] In the figure: 10, frame; 11, workbench; 20, iron core feeding mechanism; 21, feeding drive motor; 22, belt transmission device; 221, transmission belt; 222, transmission plate; 23, unloading seat; 30, first pre-rounding mechanism; 30S, second pre-rounding mechanism; 31, clamping assembly; 311, material placing device; 3111, rotation drive motor; 3112, unloading plate; 3113, unloading trough; 3114, longitudinal positioning column; 3115, buffer; 312, fixing material device; 3121, fixing material drive cylinder; 3122, fixing material plate; 3123, groove; 313, transverse drive device 3131, horizontal drive motor; 3132, horizontal slide; 32, rotary material receiving assembly; 321, preformed round seat; 322, preformed round groove; 323, rotary material receiving drive motor; 324, longitudinal drive cylinder; 325, longitudinal slide; 33, transfer plug-in assembly; 331, bracket; 332, vertical material shifting device; 3321, material shifting drive cylinder; 3322, material insertion rod; 333, vertical material pressing device; 3331, material pressing drive cylinder; 3332, lower pressure head; 40, first longitudinal material shifting mechanism; 40S, second longitudinal material shifting mechanism; 41, bracket, 42, longitudinal material shifting drive assembly ; 421, longitudinal material transfer drive device; 422, longitudinal material transfer drive motor; 423, longitudinal slide; 43, vertical clamping drive assembly; 431, vertical drive cylinder; 432, clamping cylinder; 50, first transfer mechanism; 50S, second transfer mechanism; 51, support; 52, transverse drive assembly; 521, transverse drive device; 522, transverse slide; 53, vertical drive assembly; 531, vertical drive cylinder; 532, vertical slide; 10A, core ring rail press-fitting mechanism; 20A, bracket; 21A, first vertical mounting plate; 22A, second transverse mounting plate; 23A, third transverse mounting Mounting plate; 24A, fourth horizontal mounting plate; 25A, support column; 26A, limit seat; 30A, ring rail lifting assembly; 31A, ring rail lifting drive cylinder; 32A, ring rail placement seat; 33A, discharge part; 34A, positioning column; 35A, guide hole; 36A, connecting plate; 37A, material sensor; 40A, iron core plug-in assembly; 41A, iron core lifting drive device; 42A, electric cylinder; 43A, jacking seat; 50A, pressure head lifting assembly; 51A, pressure head lifting drive cylinder; 52A, pressure head; 60A, vertical drive assembly; 61A, vertical drive cylinder; 62A, vertical slide.60. Rotary exchange mechanism; 61. Support frame; 62. Longitudinal movement drive assembly; 621. Longitudinal drive device; 622. Longitudinal drive motor; 623. Longitudinal slide; 63. Vertical movement drive assembly; 631. Vertical drive device; 632. Vertical drive motor; 633. Vertical slide; 64. Rotary clamping assembly; 641. Rotary cylinder; 642. Clamping cylinder; 70. Ring rail recovery mechanism; 71. Bracket; 711. First support plate; 712. Second support plate; 713. Third support plate; 714. Pillar; 715. Waste box; 716. Mounting part; 717. Mounting plate; 71. Material discharge seat; 72. Down pressure drive dynamic assembly; 721, downward pressure driving cylinder; 722, downward pressure head; 10B, parallel track feeding mechanism; 20B, support; 21B, arc profile; 22B, hollow groove; 30B, guide rail; 40B, sliding material table; 41B, horizontal slide seat; 411B, vertical connecting part; 412B, horizontal sliding part; 42B, slide rail; 43B, discharge seat; 431B, moving part; 432B, discharge part; 44B, contact part; 441B, connecting block; 442B, roller; 45B, reset spring; 50B, horizontal driving device; 51B, horizontal driving motor; 52B, driving wheel; 53B, driven wheel; 54B, transmission belt. 80. Material feeding and discharging mechanism; 81. Horizontal driving assembly; 811. Horizontal driving device; 812. Horizontal driving motor; 813. Horizontal slide; 82. Vertical material clamping assembly; 83. Laser marking machine; 90. First defective product transfer mechanism; 90S. Second defective product transfer mechanism. DETAILED DESCRIPTION

[0050] The present invention Figures 1 to 19As shown, a stator rounding machine comprises a frame 10, a core feeding mechanism 20 for feeding cores, a first pre-rounding mechanism 30 and a second pre-rounding mechanism 30S for pre-rounding the cores transferred from the core feeding mechanism 20, a core ring rail pressing mechanism 10A for pressing the pre-rounded cores collected from the first pre-rounding mechanism 30 and the second pre-rounding mechanism 30S into the ring rail, and a parallel rail feeding mechanism 10B for feeding the ring rail and discharging the pressed core ring rail assembly; a workbench 11 for installing the above-mentioned mechanisms is provided on the frame 10, the core feeding mechanism 20 is connected between the first pre-rounding mechanism 30 and the second pre-rounding mechanism 30S, the first pre-rounding mechanism 30 is connected between the first pre-rounding mechanism 30 and the second pre-rounding mechanism 30S, and the first pre-rounding mechanism 30A is connected between the first pre-rounding mechanism 30 and the second pre-rounding mechanism 30S. The pre-circularization mechanism 30 is located on the left side of the core ring rail press-fitting mechanism 10A, the second pre-circularization mechanism 30S is located on the right side of the core ring rail press-fitting mechanism 10A, and the parallel track feeding mechanism 10B is connected to the core ring rail press-fitting mechanism 10A; the first pre-circularization mechanism 30 and the second pre-circularization mechanism 30S respectively transport the rounded iron cores to the core ring rail press-fitting mechanism 10A from both sides, and the parallel track feeding mechanism 10B feeds the ring rails to the core ring rail press-fitting mechanism 10A; the core ring rail press-fitting mechanism 10A performs press-fitting operations on the ring rails and the rounded iron cores gathered from both sides; the equipment realizes automatic feeding, press-fitting and discharging of the iron core and the ring rail, so that the rounded iron core and the ring rail can be quickly assembled, thereby improving production efficiency.

[0051] The stator rounding machine also includes a first longitudinal material transfer mechanism 40 for transferring the iron core on the iron core feeding mechanism 20 to the first pre-rounding mechanism 30, a second longitudinal material transfer mechanism 40S for transferring the iron core on the iron core feeding mechanism 20 to the second pre-rounding mechanism 30S, a first transfer mechanism 50 for transferring the pre-rounded iron core from the first pre-rounding mechanism 30 to the iron core ring rail pressing mechanism 10A, a second transfer mechanism 50S for transferring the pre-rounded iron core from the second pre-rounding mechanism 30S to the iron core ring rail pressing mechanism 10A, a feeding and discharging mechanism 80 for feeding the ring rail and discharging the iron core ring rail assembly after pressing, and a rotary exchange material machine for discharging the iron core ring rail assembly pressed by the iron core ring rail pressing mechanism 10A and feeding the ring rail. Structure 60; the first longitudinal material moving mechanism 40 and the first transfer mechanism 50 are located on the side of the first pre-circularization mechanism 30, and the second longitudinal material moving mechanism 40S and the second transfer mechanism 50S are located on the side of the second pre-circularization mechanism 30S; the first longitudinal material moving mechanism 40 is distributed between the core feeding mechanism 20 and the first pre-circularization mechanism 30, and the first transfer mechanism 50 is located between the first pre-circularization mechanism 30 and the core ring rail pressing mechanism 10A; the second longitudinal material moving mechanism 40S is distributed between the core feeding mechanism 20 and the second pre-circularization mechanism 30S, and the second transfer mechanism 50S is located between the second pre-circularization mechanism 30S and the core ring rail pressing mechanism 10A; the parallel track feeding mechanism 10B is located between the rotating exchange material mechanism 60 and the feed and discharge mechanism 80.

[0052] The iron core feeding mechanism 20 includes a feeding drive motor 21, a belt transmission device 22 and a transfer plate 222. The belt transmission device 22 includes a driving wheel (not shown in the figure), a driven wheel (not shown in the figure) and a transmission belt 221. The driving wheel is installed on the shaft end of the feeding drive motor 21. The transmission belt 221 surrounds the driving wheel and the driven wheel. The transfer plate 222 is located on the transmission belt 221. A plurality of discharge seats 23 for placing iron cores are provided on the transfer plate 222. The iron core feeding mechanism 20 is arranged in two groups, which improves the working efficiency. The feeding drive motor 21 drives the discharge seat 23 on the transfer plate 222 to move through the belt transmission device 22 to feed the iron core.

[0053] The first longitudinal material shifting mechanism 40 and the second longitudinal material shifting mechanism 40S both include a bracket 41, a longitudinal material shifting drive assembly 42 and a vertical material clamping drive assembly 43. The longitudinal material shifting drive assembly 42 includes a longitudinal material shifting drive device 421 and a longitudinal slide 423. The longitudinal material shifting drive device 421 is mounted on the bracket 41. The longitudinal slide 423 is slidably located on the bracket 41. The output of the longitudinal material shifting drive device 421 is connected to the longitudinal slide 423. The vertical material clamping drive assembly 43 includes a vertical driving cylinder 531 and a plurality of material clamping cylinders 432. The vertical driving cylinder 531 is mounted on the longitudinal slide 423. The plurality of material clamping cylinders 432 can be vertically moved. Located on the longitudinal slide 423, the output end of the vertical drive cylinder 531 is connected to a plurality of clamping cylinders 432, and the vertical drive cylinder 531 drives the plurality of clamping cylinders 432 to move vertically on the longitudinal slide 423; the longitudinal material moving drive device 421 includes a longitudinal material moving drive motor 422 and a screw rod (not shown in the figure), and the shaft end of the longitudinal material moving drive motor 422 is connected to the screw rod, and the screw rod is rotatably matched with the longitudinal slide 423; the vertical clamping drive assembly 43 is divided into two groups, and the two groups of vertical clamping drive assemblies 43 are installed side by side on the longitudinal slide 423, so that two groups of a plurality of clamping cylinders 432 can be used to clamp materials at one time, thereby improving efficiency and reducing costs.

[0054] The first pre-circularization mechanism 30 and the second pre-circularization mechanism 30S both include a clamping assembly 31 for clamping a plurality of iron cores, a rotating material receiving assembly 32 for rotatably receiving the plurality of iron cores, and a transfer and insertion assembly 33 for inserting the plurality of iron cores from the clamping assembly 31 to the rotating material receiving assembly 32; the transfer and insertion assembly 33 corresponds to the clamping assembly 31, and the rotating material receiving assembly 32 can be movably located below the transfer and insertion assembly 33.

[0055] The clamping assembly 31 includes a placing device 311 for placing a plurality of iron cores, a fixing device 312 for fixing the plurality of iron cores on the placing device 311, and a transverse driving device 313 for driving the placing device 311 and the fixing device 312 to move transversely together; the transverse driving device 313 includes a transverse driving motor 3131, a screw (not shown) and a transverse slide 3132, the shaft end of the transverse driving motor 3131 is connected to the screw, and the screw The lateral drive motor 3131 and the screw rod are used to provide driving force to improve the movement accuracy and stability. The material placement device 311 includes a rotary drive motor 3111 and a material discharge plate 3112. The rotary drive motor 3111 is installed on the lateral slide 3132. The material discharge plate 3112 is rotatably located on the lateral slide 3132. The shaft end of the rotary drive motor 3111 is connected to the material discharge plate 3112. The material discharging plate 3112 is driven to rotate on the transverse slide 3132. The material discharging plate 3112 is provided with a plurality of material discharging troughs 3113 for placing the iron cores at intervals. The material discharging troughs 3113 are provided with magnets (not shown) for attracting the iron cores. The material fixing device 312 includes a material fixing driving cylinder 3121 and a material fixing plate 3122. The material fixing driving cylinder 3121 is installed on the transverse slide 3132. The material fixing plate 3122 can be longitudinally moved and positioned transversely. On the slide seat 3132, the axial end of the fixed material driving cylinder 3121 is connected to the fixed material plate 3122, and a plurality of grooves 3123 for fixing the iron core are arranged at intervals on the fixed material plate 3122. The plurality of grooves 3123 correspond to the plurality of discharge grooves 3113. The discharge plate 3112 rotates to drive the discharge groove 3113 to be relatively close to the groove 3123 on the longitudinally movable fixed material plate 3122 so as to fix the iron core between the discharge groove 3113 and the groove 3123.

[0056] The rotary material receiving assembly 32 includes a longitudinal drive cylinder 324, a longitudinal slide 325, a rotary material receiving drive motor 323 and a pre-formed round seat 321. The shaft end of the longitudinal drive cylinder 324 is connected to the longitudinal slide 325. The rotary material receiving drive motor 323 is installed on the longitudinal slide 325. The pre-formed round seat 321 is rotatably located on the longitudinal slide 325. The shaft end of the rotary material receiving drive motor 323 is connected to the pre-formed round seat 321. The pre-formed round seat 321 is provided with a plurality of pre-formed round grooves 322 for placing a plurality of iron cores. The transfer and insertion assembly 33 includes a bracket 331, a vertical material moving device 332 and a vertical material pressing device 333. The vertical material moving device 332 includes a material moving drive cylinder 3321 and a material inserting rod 332. 2. The material moving driving cylinder 3321 is installed on the bracket 331, and the axial end of the material moving driving cylinder 3321 is connected to the material inserting rod 3322. The material moving driving cylinder 3321 drives the material inserting rod 3322 to descend to insert the iron core fixed between the material discharge groove and the groove 3123 and place it on the pre-formed round seat 321; the vertical pressing device 333 includes a pressing driving cylinder 3331 and a pressing head 3332. The pressing driving cylinder 3331 is installed on the bracket 331 on the opposite side of the material moving driving cylinder 3321, and the axial end of the pressing driving cylinder 3331 is connected to the pressing head 3332. The pressing driving cylinder 3331 drives the pressing head 3332 to press down the multiple iron cores on the pre-formed round seat 321 to pre-form the multiple iron cores into a circle.

[0057] Specifically, the longitudinal material shifting mechanism 40 transfers the plurality of iron cores on the iron core feeding mechanism 20 and places them flat on the discharge plate 3112 of the material placing device 311, and the rotary drive motor 3111 drives the discharge plate 3112 to rotate on the horizontal slide 3132, so that the plurality of iron cores placed flat in the discharge trough 3113 are in a vertical shape. The discharge trough 3113 is provided with a magnet for attracting the iron cores, and the plurality of iron cores will not fall in the discharge trough 3113; the two fixed material driving cylinders 3121 drive the fixed material plate 3122 to move close to the discharge plate 3112, and the plurality of grooves 3123 correspond to the plurality of discharge troughs 3113, and the plurality of iron cores are fastened between the discharge trough 3113 of the discharge plate 3112 and the grooves 3123 of the fixed material plate 3122; the pre-formed round seat 321 is rotatably located on the longitudinal slide 325, and the pre-formed round seat 3 21 can move longitudinally with the longitudinal slide 325; the material transfer driving cylinder 3321 drives the inserting rod 3322 to clamp the iron cores located between the groove 3123 and the discharge groove 3113 one by one and place them on the pre-formed round seat 321. During the placement process, the pre-formed round seat 321 moves longitudinally to just below the inserting rod 3322, and the pre-formed round seat 321 rotates to receive the material; the discharge plate 3112 and the fixed material plate 3122 move laterally with the transverse slide 3132, and the inserting rod 3322 places a plurality of iron cores on the pre-formed round seat 321 in turn; when the pre-formed round seat 321 is full of iron cores, the pre-formed round seat 321 is longitudinally moved to just below the lower pressure head 3332, and the pressing driving cylinder 3331 drives the lower pressure head 3332 to press down the plurality of iron cores on the pre-formed round seat 321 to pre-form the plurality of iron cores into a circle; fully automated operation, high pre-forming efficiency.

[0058] The unloading plate 3112 is provided with a longitudinal positioning column 3114 for limiting the rotation position of the unloading plate 3112 on the side, and a buffer 3115 corresponding to the longitudinal limiting column is provided on the side of the longitudinal positioning column 3114, and the unloading plate 3112 can be rotatably abutted against the longitudinal positioning column 3114 and the buffer 3115; a plurality of iron cores are placed flat on the unloading plate 3112, and the rotary drive motor 3111 drives the unloading plate 3112 to rotate on the transverse slide 3132, and the unloading plate 3112 rotates from a horizontal position to a vertical position; when the plurality of iron cores are completely transferred, the unloading plate 3112 rotates back to the horizontal position; the longitudinal limiting column limits the unloading plate 3112 to be able to rotate to a horizontal position, thereby preventing the unloading plate 3112 from rotating too much or too low and causing position deviation; the buffer 3115 can buffer the unloading plate 3112, thereby preventing the unloading plate 3112 from rigidly colliding with the longitudinal limiting column.

[0059] There are two fixed material driving cylinders 3121, which are installed on both sides of the transverse slide 3132, and the shaft ends of the two fixed material driving cylinders 3121 are respectively connected to the two sides of the fixed material plate 3122; setting up two fixed material cylinders enhances the stability of the structure and improves the balance.

[0060] The first transfer mechanism 50 and the second transfer mechanism 50S both include a support 51, a transverse drive device 521, a vertical drive assembly 53 and a clamping cylinder (not shown in the figure). The transverse drive device 521 includes a transverse drive device 521 and a transverse slide 523. The transverse drive device 521 is installed on the support 51. The transverse slide 523 is slidably located on the transverse support 51. The output end of the transverse drive device 521 is connected to the transverse slide 523. The vertical drive assembly 53 includes a vertical drive cylinder 531 and a vertical slide 532. The vertical drive cylinder 531 is installed on the transverse slide 523. The lateral slide 532 is slidably located on the lateral slide 523, and the shaft end of the vertical drive cylinder 531 is connected to the vertical slide 532; the clamping cylinder is installed on the vertical slide 532; the lateral drive device 521 includes a lateral drive motor 522 and a screw (not shown in the figure), and the shaft end of the lateral drive motor 522 is connected to the screw, and the screw is rotatably matched with the lateral slide 523; the vertical drive assembly 53 drives the clamping cylinder to move vertically, and the lateral drive assembly 52 drives the vertical drive assembly 53 and the clamping cylinder to move horizontally together, so as to transfer the pre-rounded iron core located on the clamping cylinder to the iron core ring rail pressing mechanism.

[0061] The core ring rail pressing mechanism 10A includes a bracket 20A, a ring rail lifting assembly 30A for raising the ring rail to fix the ring rail, a core insertion assembly 40A for raising a plurality of cores to fix the plurality of cores in the ring rail, a pressure head lifting assembly 50A for pressing the plurality of cores to prevent the plurality of cores from falling during the raising process, and a vertical driving assembly 60A for driving the pressure head lifting assembly 50A to move vertically; the above-mentioned components are installed on the bracket 20A, the ring rail lifting assembly 30A is located above the core insertion assembly 40A, and the vertical driving assembly 60A is located above the pressure head lifting assembly 50A to drive the pressure head lifting assembly 50A to move vertically.

[0062] The ram lifting assembly 50A has a liftable ram 52A for pressing a plurality of iron cores, the ring rail lifting assembly 30A has a liftable ring rail placement seat 32A for placing the ring rail, and the ring rail placement seat 32A has a guide hole 35A for the ram 52A to pass through; the plurality of iron cores first pass through the guide hole 35A during the upward movement, and then are squeezed upward into the ring rail; the guide hole 35A guides the ring rail to prevent the position of the ring rail from shifting when it moves upward, thereby improving the press-fitting accuracy and reducing the defective rate; the iron core insertion assembly 40A rises and drives the plurality of iron cores and the ram 52A to move upward through the guide hole 35A to place the plurality of iron cores The core is clamped in the ring rail; the ring rail lifting assembly 30A moves the ring rail upward and fixes it, the pressure head lifting assembly 50A presses down multiple cores to prevent them from falling, the core insertion assembly 40A raises the multiple cores to fix the multiple cores in the ring rail, and the vertical drive assembly 60A can adjust the overall height of the pressure head lifting assembly 50A to meet the height requirements in actual operation; first fix the ring rail, and then move the multiple cores upward to make them clamped in the ring rail. It is fully automated and has high pressing efficiency. The pressure head lifting assembly 50A prevents the multiple cores from shifting and falling during the pressing process. The pressing accuracy is high, which reduces the defective rate and thus reduces the production cost.

[0063] The ring rail lifting assembly 30A also includes a ring rail lifting drive cylinder 31A, the axial end of which is connected to a ring rail placement seat 32A. The ring rail lifting drive cylinder 31A is fixedly mounted on the bracket 20A, and the ring rail placement seat 32A can be lifted and moved on the bracket 20A. The ring rail lifting drive cylinder 31A drives the ring rail on the ring rail placement seat 32A to move upward and abut against the upper side of the bracket 20A to fix the ring rail; the ring rail placement seat 32A has a limiting and bearing function for the ring rail, and the ring rail is fixed between the bracket 20A and the ring rail placement seat 32A.

[0064] The iron core insertion assembly 40A includes an iron core lifting drive device 41A and a lifting seat 43A for placing a plurality of iron cores. The iron core lifting drive device 41A is vertically installed on the lower side of the bracket 20A, and the lifting seat 43A can be installed on the bracket 20A in a lifting and moving manner. The output end of the iron core lifting drive device 41A is connected to the lifting seat 43A, and the iron core lifting drive device 41A drives the lifting seat 43A to rise; the iron core lifting drive device 41A adopts an electric cylinder 42A, and the electric cylinder 42A can provide a greater force to clamp the iron core into the ring rail. At the same time, the electric cylinder 42A has high movement accuracy and strong stability; the pressure head lifting assembly 50A also includes a pressure head lifting drive cylinder 51A, which is installed on the upper side of the bracket 20A. The above-mentioned pressure head 52A is moved from top to bottom according to The ring rail that penetrates the upper side of the bracket 20A and the ring rail placement seat 32A is used to press and cover the top of the multiple iron cores on the lifting seat 43A. The axial end of the pressure head lifting driving cylinder 51A is connected to the upper end of the pressure head 52A. The pressure head lifting driving cylinder 51A drives the pressure head 52A to press and cover the top of the multiple iron cores. The iron core lifting driving device 41A drives the multiple iron cores on the lifting seat 43A and the pressure head 52A above the multiple iron cores to rise together to lift the multiple iron cores into the ring rail; the pressure head lifting driving cylinder 51A drives the pressure head 52A downward to press above the multiple iron cores. Since the force of the iron core lifting driving device 41A is greater than that of the pressure head lifting cylinder, the multiple iron cores and the pressure head 52A above the multiple iron cores rise together to lift the multiple iron cores into the ring rail.

[0065] The vertical drive assembly 60A includes a vertical drive cylinder 61A and a vertical slide 62A. The vertical drive cylinder 61A is vertically installed above the bracket 20A. The vertical slide 62A can be vertically moved on the upper side of the bracket 20A. The axial end of the vertical drive cylinder 61A is connected to the vertical slide 62A. The above-mentioned ram lifting drive cylinder 51A is installed on the vertical slide 62A. The vertical drive cylinder 61A drives the ram lifting drive cylinder 51A and the ram 52A to rise and fall so that when a plurality of iron cores are lifted into the ring rail, the ram 52A is sequentially passed through the ring rail on the ring rail placement seat 32A and the upper side of the bracket 20A from bottom to top; the vertical drive cylinder 61A drives the vertical slide 62A to rise and fall, and the vertical slide 62A rises and falls Drive the ram lifting and lowering driving cylinder 51A and the ram 52A to rise and fall to adjust the height of the ram 52A; specifically, the ram lifting and lowering driving cylinder 51A drives the ram 52A to cover above the multiple iron cores, and the iron core lifting and lowering driving device 41A drives the lifting seat 43A to rise, and the multiple iron cores located on the lifting seat 43A move upward under the pressure cover of the ram 52A, and the multiple iron cores are pressed into the ring rail; the vertical driving cylinder 61A drives the ram lifting and lowering driving cylinder 51A and the ram 52A to rise and fall so that the ram 52A passes through the ring rail on the ring rail placement seat 32A and the upper side of the bracket 20A from bottom to top in sequence when the multiple iron cores are lifted into the ring rail; the pressing efficiency is high, the position deviation is prevented during the pressing process, and the pressing accuracy is high.

[0066] The bracket 20A includes, from top to bottom, a first vertical mounting plate 21A, a second horizontal mounting plate 22A, a third horizontal mounting plate 23A, a fourth horizontal mounting plate 24A and a plurality of support columns 25A. The first vertical mounting plate 21A is connected to the upper surface of the second horizontal mounting plate 22A. The plurality of support columns 25A vertically penetrate between the second horizontal mounting plate 22A, the third horizontal mounting plate 23A and the fourth horizontal mounting plate 24A which are arranged at intervals. A support portion is provided between the second horizontal mounting plate 22A and the third horizontal mounting plate 23A. The vertical driving cylinder 61A is installed on the first vertical mounting plate 21A. The head lifting drive cylinder 51A can be lifted and located on the upper side of the second transverse mounting plate 22A, the above-mentioned ring rail lifting drive cylinder 31A is fixedly installed on the lower surface of the second transverse mounting plate 22A, the above-mentioned ring rail placement seat 32A can be lifted and moved between the second transverse mounting plate 22A and the support part, the above-mentioned pressure head 52A rises and passes through the ring rail on the ring rail placement seat 32A and the second transverse mounting plate 22A in sequence, the above-mentioned lifting seat 43A can be moved upward and pass through the third transverse mounting plate 23A, and the above-mentioned iron core lifting drive device 41A is installed on the fourth transverse mounting plate 24A, making the overall structure more compact, easy to install, and reducing the occupied area.

[0067] There are two ring rail lifting drive cylinders 31A, which are respectively installed on both sides of the lower surface of the second horizontal mounting plate 22A, and the axial ends of the two ring rail lifting drive cylinders 31A are respectively connected to the two sides of the ring rail placement seat 32A; the balance is improved and the structure is more stable.

[0068] A limit seat 26A is fastened to the upper side of the bracket 20A for limiting the position of the ring rail when it is raised and fixed. The limit seat 26A is located directly above the ring rail placement seat 32A. The ring rail placement seat 32A moves upward to fix the ring rail on the ring rail placement seat 32A between the ring rail placement seat 32A and the limit seat 26A; the limit seat 26A further limits the position of the ring rail to prevent the position of the ring rail from shifting, thereby improving the press-fitting accuracy and reducing the defective rate.

[0069] The ring rail placement seat 32A includes a discharge portion 33A located in the middle position and a connecting plate 36A connected to the outside of the discharge portion 33A. The above-mentioned ring rail is placed on the discharge portion 33A, and the connecting plate 36A can be movably connected to the bracket 20A up and down; a plurality of positioning posts 34A for positioning the ring rail are arranged at intervals on the upper side wall of the discharge portion 33A, and a plurality of positioning holes (not shown in the figure) are arranged at intervals on the ring rail, and the plurality of positioning posts 34A correspond to the plurality of positioning holes; the ring rail is positioned on the discharge portion 33A through the cooperation of the positioning holes and the positioning posts 34A to prevent the ring rail from shifting in the discharge portion 33A and affecting the pressing effect.

[0070] A material sensor 37A for detecting whether there is a ring rail placed in the ring rail placement seat 32A is arranged on the side of the ring rail placement seat 32A; a friction sensor (not shown in the figure) is arranged on the side of the ring rail placement seat 32A, and the friction sensor is used to detect the friction between the inner wall of the ring rail and the outer wall of the iron core when the iron core is inserted into the ring rail. When the friction force is too large, it indicates that the iron core is crushed when inserted into the ring rail; when the friction force is too small, it indicates that the iron core is not pressed tightly when inserted into the ring rail.

[0071] The rotary material exchange mechanism 60 includes a support frame 61, a longitudinal movement drive assembly 62, a vertical movement drive assembly 63 and a rotary material clamping assembly 64. The longitudinal movement drive assembly 62 includes a longitudinal drive device 621 and a longitudinal slide 623. The longitudinal drive device 621 is installed on the support frame 61. The longitudinal slide 623 is slidably located on the support frame 61. The output end of the longitudinal drive device 621 is connected to the longitudinal slide 623. The longitudinal drive device 621 drives the longitudinal slide 623 to move longitudinally on the support frame 61. The longitudinal drive device 621 includes The vertical movement drive assembly 63 includes a longitudinal drive motor 622 and a screw (not shown in the figure), the shaft end of the longitudinal drive motor 622 is connected to the screw, and the screw is rotatably matched with the longitudinal slide 623; the longitudinal drive motor 622 and the screw are used to provide driving force to improve the accuracy and stability of movement; the vertical movement drive assembly 63 includes a vertical drive device 631 and a vertical slide 633, the vertical drive device 631 is installed on the longitudinal slide 623, the vertical slide 633 is slidably located on the longitudinal slide 623, and the output end of the vertical drive device 631 is connected to the vertical slide 633, The vertical drive device 631 includes a vertical drive motor 632 and a screw (not shown in the figure). The shaft end of the vertical drive motor 632 is connected to the screw, and the screw is rotatably matched with the vertical slide 633. The vertical drive motor 632 and the screw are used to provide driving force to improve the accuracy and stability of movement. The rotating clamping assembly 64 includes a rotating cylinder 641 and two clamping cylinders 642 installed on both sides of the output end of the rotating cylinder 641. The rotating cylinder 641 is installed on the vertical slide 633, and the rotating cylinder 641 drives the two clamping cylinders 642 to rotate. Specifically, the rotating cylinder 641 drives the two clamping cylinders 642 to rotate; the vertical movement drive assembly 63 drives the rotating clamping assembly 64 to move vertically; the longitudinal movement drive assembly 62 drives the vertical movement drive assembly 63 and the rotating clamping assembly 64 to move longitudinally together; the two clamping cylinders 642 respectively clamp the unpressed ring rail and the ring rail on which multiple iron cores have been pressed, and the two clamping cylinders 642 rotate 180 degrees under the drive of the rotating cylinder 641 to exchange materials; at the same time, vertical and longitudinal multi-directional position conversion can be realized; the operation is convenient and the work efficiency is high.

[0072] The parallel track feeding mechanism 10B comprises a support 20B, two guide rails 30B arranged in parallel on the support 20B, a sliding material platform 40B and a transverse driving device 50B, the two guide rails 30B are slidably matched with at least one sliding material platform 40B, the output end of the transverse driving device 50B is connected to the sliding material platform 40B to drive the sliding material platform 40B to move transversely on the guide rails 30B; arc-shaped profiles 21B are arranged on both sides of the support 20B, and the sliding material platform 40B comprises a transverse slide 41B, a material discharge seat 43B and a contact portion 44B fastened to the material discharge seat 43B, the contact portion 44B abuts against the arc-shaped profile 21B, the material discharge seat 43B can be longitudinally movably located on the upper surface of the transverse slide 41B, and the material discharge seats 43B on the two guide rails 30B move away from or close to each other as the contact portion 44B moves transversely on the arc-shaped profile 21B; two parallel guide rails will be used 30B, a transverse driving device 50B and a sliding material table 40B. The sliding material table 40B is driven by the transverse driving device 50B to move relatively on the two guide rails 30B respectively. When it moves to the middle section of the two guide rails 30B, the distance between each other is gradually widened under the restriction of the arc profile 21B on the outer side of the guide rails 30B to prevent mutual interference and collision. The transverse driving device 50B is used to drive the sliding material tables 40B on the two guide rails 30B to move in relative directions, thereby saving costs, achieving high consistency in moving positions and a compact structure. The material discharge seats 43B abutting against the arc profiles 21B of the two guide rails 30B respectively move longitudinally outwards to increase the distance between each other, thereby preventing the material discharge seats 43B on the two rails from colliding with each other. While ensuring the relative movement of the material discharge seats 43B to exchange materials, the making way operation is satisfied under the condition of a compact overall structure, making full use of space utilization, saving space and saving costs.

[0073] The two sides of the discharge seat 43B are provided with return springs 45B for resetting the discharge seat 43B, and the return springs 45B are connected between the rear end of the discharge seat 43B and the rear end of the transverse slide seat 41B; the sliding material table 40B moves relatively laterally along the guide rail 30B, and the guide rail 30B guides the movement of the sliding material table 40B, and also makes the movement smoother; the discharge seats 43B on the two guide rails 30B move in parallel and relative directions, and the discharge seat 43B on one side is placed with the unpressed ring rail, and the discharge seat 43B on the other side is placed with the pressed core ring rail assembly. The discharge seats 43B on both sides move in relative directions laterally to feed the unpressed ring rail and discharge the pressed core ring rail assembly at the same time, using a mechanism To realize the conveying and exchanging of two kinds of materials; when the discharge seat 43B moves to the middle of the guide rail 30B, as the discharge seat 43B moves in the lateral direction along the arc profile 21B, the return spring 45B is gradually stretched, and the discharge seat 43B is pulled from the front end of the lateral slide 41B to the rear end of the lateral slide 41B; in this way, the distance between the discharge seats 43B on the two guide rails 30B is enlarged, providing a clearance space for the relative movement of the discharge seats 43B, and avoiding the collision of the discharge seats 43B due to spatial position interference; when the discharge seats 43B on the two guide rails 30B move out of alignment, the return spring 45B gradually shrinks back to a natural state, and the discharge seat 43B returns to the front end of the lateral slide 41B to move laterally to exchange materials.

[0074] The contact portion 44B includes a connecting block 441B vertically arranged on the rear side of the material discharge seat 43B and a roller 442B arranged at the lower end of the connecting block 441B, and the roller 442B is rollingly matched with the outer wall of the arc profile 21B; when the material discharge seat 43B moves along the arc profile 21B, the roller 442B reduces the friction between the material discharge seat 43B and the arc profile 21B, so that the material discharge seat 43B moves along the outer wall of the arc profile 21B more smoothly.

[0075] The transverse drive device 50B includes a transverse drive motor 51B, a driving wheel 52B, a driven wheel 53B and a transmission belt 54B. The transverse drive motor 51B is installed on the support 20B. The shaft end of the transverse drive motor 51B is connected to the driving wheel 52B. The transmission belt 54B surrounds the driving wheel 52B and the driven wheel 53B. The transmission belt 54B connects the sliding material table 40B on the two guide rails 30B; the transverse drive motor 51B drives the transverse slide 41B and the transverse slide 41B to move in the same direction in the opposite direction through the driving wheel 52B, the driven wheel 53B and the transmission belt 54B. The horizontal drive motor 51B drives the horizontal slide 41B to move relative to the horizontal slide 41B, which saves costs, has a compact structure and high movement efficiency. The horizontal drive device 50B can also use a horizontal drive motor 51B and a screw rod, and the shaft end of the horizontal drive motor 51B is connected to the screw rod, which is rotatably matched with the horizontal slide 41B. The two guide rails 30B use two horizontal drive devices 50B to provide driving force for the sliding material table 40B respectively.

[0076] The transverse slide 41B includes a vertical connection portion 411B and a transverse sliding portion 412B, wherein the vertical connection portion 411B is connected to the transmission belt 54B, and the transverse sliding portion 412B is slidably located on the upper surface of the support 20B; this makes the structure more compact and reduces the occupied area; the discharge seat 43B includes a moving portion 431B located at the bottom and a discharge portion 432B located at the top, wherein the discharge portion 432B is installed on the upper surface of the front side of the moving portion 431B, and the moving portion 431B can be longitudinally The movable part 431B is located on the upper surface of the transverse sliding part 412B; the movable part 431B is set to realize the longitudinal movement of the discharge seat 43B relative to the transverse sliding seat 41B, and the discharge part 432B is used to carry materials; a slide rail 42B is set on the transverse sliding part 412B, and the movable part 431B is slidably located on the slide rail 42B, and the slide rail 42B plays a guiding role in the movement of the movable part 431B on the transverse sliding part 412B, and also makes the movement of the movable part 431B smoother.

[0077] The support 20B is narrow at both ends and has an arc-shaped protrusion in the middle. A hollow groove 22B for the horizontal slide 41B to pass through is arranged on the support 20B, and the two guide rails 30B are distributed on both sides of the hollow groove 22B. The driving wheel 52B and the driven wheel 53B are respectively located at both ends of the hollow groove 22B, and the transmission belt 54B surrounds the hollow groove 22B. The sliding material table 40B on the two guide rails 30B is connected to both sides of the transmission belt 54B. The material discharge seats 43B move laterally relative to each other. When they move to the middle of the support 20B, due to space limitations, the support 20B is narrow at both ends and the middle part is convex outward in an arc shape. The material discharge seats 43B move along the arc profile 21B of the side wall of the support 20B. In this way, the material discharge seats 43B on the two guide rails 30B will increase the distance between each other when they move to the middle position of the support 20B, thereby providing space for each other, making the structure more compact and reducing the occupied area while realizing material exchange.

[0078] The feeding and discharging mechanism 80 includes a transverse driving assembly 81 and a vertical clamping assembly 82. The transverse driving assembly 81 includes a transverse driving device 811 and a transverse slide 813. The output end of the transverse driving device 811 is connected to the transverse slide 813. The vertical clamping assembly 82 includes a vertical driving cylinder (not shown in the figure) and a clamping cylinder (not shown in the figure). The vertical driving cylinder is installed on the transverse slide 813. The clamping cylinder is slidably located on the transverse slide 813. The axial end of the vertical driving cylinder is connected to the clamping cylinder. There are two groups of vertical clamping components 82, and the two groups of vertical clamping components 82 are installed in parallel on the horizontal slide 813; the horizontal drive device 811 includes a horizontal drive motor 812 and a screw rod, and the shaft end of the horizontal drive motor 812 is connected to the screw rod, and the screw rod rotates with the horizontal slide 813; one group of the two groups of vertical clamping components 82 is used to feed the unpressed ring rails, and the other group is used to discharge the pressed ring rails. One mechanism is used to realize the feeding and discharging of materials, which improves work efficiency and saves costs.

[0079] The stator rounding machine also includes a laser code engraving machine 83 for engraving a two-dimensional code on the core-ring rail assembly with the core pressed into the ring rail transferred from the parallel rail feeding mechanism. The laser code engraving machine 83 corresponds to the clamping cylinder 822 of the feeding and discharging mechanism 80.

[0080] The stator rounding machine also includes a first defective product transfer mechanism 90 for transferring the iron core ring rail assembly with abnormal QR code and a second defective product transfer mechanism 90S for transferring the iron core with abnormal pressure when being pressed into the ring rail; the first defective product transfer mechanism 90 and the second defective product transfer mechanism 90S both include a longitudinal drive cylinder (not shown in the figure) and a longitudinal sliding material seat (not shown in the figure), the longitudinal drive cylinder is installed on the workbench 11, the longitudinal sliding material seat is slidably located on the workbench, the axial end of the longitudinal drive cylinder is connected to the longitudinal sliding material seat, and the clamping cylinder 822 of the above-mentioned feeding and discharging mechanism 80 can be laterally moved corresponding to the longitudinal sliding material seat.

[0081] The stator rounding machine also includes a ring rail recovery mechanism 70, which includes a bracket 71, a discharge seat 73 and a downward pressure drive assembly 72. The discharge seat 73 is fastened to the lower side of the bracket 71, and the downward pressure drive assembly 72 includes a downward pressure drive cylinder 721 and a downward pressure head 722. The downward pressure drive cylinder 721 is installed on the upper side of the bracket 71, and the axial end of the downward pressure drive cylinder 721 is connected to the downward pressure head 722. The downward pressure drive cylinder 721 drives the downward pressure head 722 to move downward and correspond to the discharge seat 73; the ring rail recovery mechanism 70 squeezes out the unqualified iron core from the ring rail, and recycles the ring rail damaged by the iron core through the ring rail recovery mechanism 70, saving resources and reducing costs.

[0082] The bracket 71 includes a first support plate 711, a second support plate 712, a third support plate 713 and two pillars 714 from top to bottom. The downward pressure driving cylinder 721 is installed on the first support plate 711, the discharge seat 73 is arranged on the second support plate 712, and the third support plate 713 is provided with a waste box 715 for receiving dropped iron core slag. A mounting portion 716 is arranged between the first support plate 711 and the second support plate 712. The downward pressure head 722 is fastened with a mounting plate 717, and the mounting portion 716 can be vertically movably located between the first support plate 711 and the mounting portion 716; the overall structure is compact, occupies less area, and avoids waste of resources.

[0083] The rounding method of the stator rounding machine comprises the following steps:

[0084] First, the iron core is fed by the iron core feeding mechanism;

[0085] Second, the first longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the first pre-rounding mechanism, and the second longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the second pre-rounding mechanism;

[0086] Third, the first pre-rounding mechanism and the second pre-rounding mechanism both pre-round a plurality of iron cores through a material clamping assembly, a rotating material connection assembly and a transfer and insertion assembly;

[0087] Fourth, the first transfer mechanism transfers the pre-circularized iron core on the first pre-circularization mechanism to the iron core ring rail press-fitting mechanism, and the second transfer mechanism transfers the pre-circularized iron core on the second pre-circularization mechanism to the iron core ring rail press-fitting mechanism;

[0088] Fifth, the feeding and discharging mechanism transfers the ring rail to the parallel rail feeding mechanism, the rotating exchange material mechanism and the iron core ring rail pressing mechanism in sequence;

[0089] Sixth, the core ring rail pressing mechanism presses the plurality of cores collected from the first pre-circularization mechanism and the second pre-circularization mechanism into the ring rail;

[0090] Seventh, the ring rail that has been pressed into the iron core is then transferred from the rotating material exchange mechanism and the parallel track feeding mechanism in sequence;

[0091] Eighth, the parallel track feeding mechanism transports the iron core to the bottom of the laser coding machine, and the laser coding machine performs coding operation on the iron core;

[0092] Ninth, the products that have passed the coding and ring rail pressing are taken out from the parallel track feeding mechanism by the ring gauge feeding and discharging mechanism.

[0093] The design focus of the present invention is that, by adopting a first pre-circularization mechanism, a second pre-circularization mechanism, an iron core ring rail pressing mechanism and a parallel rail feeding mechanism, the first pre-circularization mechanism and the second pre-circularization mechanism respectively transport the rounded iron cores to the iron core ring rail pressing mechanism from both sides, and the parallel rail feeding mechanism feeds the ring rails to the iron core ring rail pressing mechanism; the iron core ring rail pressing mechanism performs press-fitting operations on the ring rails and the rounded iron cores collected from both sides; the equipment realizes automatic feeding, press-fitting and coding and discharging of the iron core and the ring rails, so that the rounded iron core and the ring rails can be quickly assembled, thereby improving production efficiency; and two pre-circularization mechanisms are used to feed the iron core ring rail pressing mechanism from both sides, which greatly improves the utilization rate of the pressing equipment and speeds up the assembly rhythm of the stator.

[0094] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A stator rounding machine, characterized in that: The machine comprises a frame, an iron core feeding mechanism, a first pre-rounding mechanism and a second pre-rounding mechanism for pre-rounding the iron cores transferred from the iron core feeding mechanism, an iron core ring rail pressing mechanism for pressing the pre-rounded iron cores collected from the first pre-rounding mechanism and the second pre-rounding mechanism into the ring rail, and a parallel rail feeding mechanism for feeding the ring rail and discharging the pressed iron core ring rail assembly; a workbench for installing the above mechanisms is provided on the frame, and the iron core feeding mechanism is connected to the first pre-rounding mechanism. The parallel track feeding mechanism is connected to the core ring rail pressing mechanism; and further comprises a first longitudinal material transfer mechanism for transferring the core on the core feeding mechanism to the first pre-rounding mechanism, a second longitudinal material transfer mechanism for transferring the core on the core feeding mechanism to the second pre-rounding mechanism, and a first pre-rounding mechanism for transferring the core from the core feeding mechanism to the second pre-rounding mechanism. A first transfer mechanism for transferring the rounding mechanism to the core ring rail pressing mechanism, a second transfer mechanism for transferring the pre-rounded core from the second pre-rounding mechanism to the core ring rail pressing mechanism, a feeding and discharging mechanism for feeding the ring rail and discharging the core ring rail assembly after pressing, and a rotating exchange material mechanism for discharging the core ring rail assembly pressed by the core ring rail pressing mechanism and feeding the ring rail; the first longitudinal material moving mechanism and the first transfer mechanism are located on the side of the first pre-rounding mechanism, and the second longitudinal material moving mechanism and the second transfer mechanism are located on the side of the second pre-rounding mechanism; the first longitudinal material moving mechanism is distributed between the core feeding mechanism and the first pre-rounding mechanism, and the first transfer mechanism is located between the first pre-rounding mechanism and the core ring rail pressing mechanism; the second longitudinal material moving mechanism is distributed between the core feeding mechanism and the second pre-rounding mechanism, and the second transfer mechanism is located between the second pre-rounding mechanism and the core ring rail pressing mechanism; the parallel track feeding mechanism is located between the rotating exchange material mechanism and the feeding and discharging mechanism.

2. The stator rounding machine according to claim 1, characterized in that: The core ring rail pressing mechanism comprises a bracket, a ring rail lifting assembly, an iron core insertion assembly, a pressure head lifting assembly and a vertical driving assembly for driving the pressure head lifting assembly to move vertically; the above-mentioned components are installed on the bracket, the ring rail lifting assembly is located above the iron core insertion assembly, and the vertical driving assembly is located above the pressure head lifting assembly to drive the pressure head lifting assembly to move vertically; the pressure head lifting assembly has a liftable pressure head for pressing a plurality of iron cores, the ring rail lifting assembly has a liftable ring rail placement seat for placing the ring rail, and the ring rail placement seat has a guide hole for the pressure head to pass through; the iron core insertion assembly The assembly rises and drives the plurality of iron cores and the pressure head to move upward through the guide holes to clamp the plurality of iron cores in the ring rail; the ring rail lifting assembly also includes a ring rail lifting drive cylinder, the shaft end of which is connected to the ring rail placement seat, the ring rail lifting drive cylinder is fixedly installed on the bracket, and the ring rail placement seat can be lifted and moved on the bracket, and the ring rail lifting drive cylinder drives the ring rail on the ring rail placement seat to move upward and abut against the upper side of the bracket to fix the ring rail; the iron core insertion assembly includes an iron core lifting drive device and a lifting seat for placing a plurality of iron cores, and the iron core lifting drive device is vertical The jacking seat is installed on the lower side of the bracket, and the lifting seat can be installed on the bracket in a lifting and moving manner. The output end of the iron core lifting drive device is connected to the lifting seat, and the iron core lifting drive device drives the lifting seat to rise; the pressure head lifting assembly also includes a pressure head lifting drive cylinder, which is installed on the upper side of the bracket. The above-mentioned pressure head passes through the upper side of the bracket and the ring rail on the ring rail placement seat from top to bottom in sequence to press the cover above the multiple iron cores on the lifting seat. The shaft end of the pressure head lifting drive cylinder is connected to the upper end of the pressure head, and the pressure head lifting drive cylinder drives the pressure head to press the cover above the multiple iron cores. The iron core lifting drive device drives The multiple iron cores and the pressure cover on the lifting seat rise together with the pressure head above the multiple iron cores to lift the multiple iron cores into the ring rail; the vertical drive assembly includes a vertical drive cylinder and a vertical slide, the vertical drive cylinder is vertically installed above the bracket, the vertical slide can be vertically moved on the upper side of the bracket, the axial end of the vertical drive cylinder is connected to the vertical slide, the above-mentioned pressure head lifting drive cylinder is installed on the vertical slide, the vertical drive cylinder drives the pressure head lifting drive cylinder and the pressure head to lift and lower the pressure head so that when the multiple iron cores are lifted into the ring rail, the pressure head will pass through the ring rail on the ring rail placement seat and the upper side of the bracket from bottom to top in sequence.

3. The stator rounding machine according to claim 1, characterized in that: The parallel track feeding mechanism includes a support, two guide rails arranged in parallel on the support, a sliding material table and a transverse driving device, the two guide rails are slidably matched with at least one sliding material table, and the output end of the transverse driving device is connected to the sliding material table to drive the sliding material table to move transversely on the guide rails; arc-shaped contours are arranged on both sides of the support, and the sliding material table includes a transverse slide, a discharge seat and a contact portion fastened to the discharge seat, the contact portion abuts on the arc-shaped contour, and the discharge seat can be longitudinally moved to the upper surface of the transverse slide, and the discharge seats on the two guide rails move away from each other as the contact portion moves transversely on the arc-shaped contour.

4. The stator rounding machine according to claim 1, characterized in that: The first pre-circularization mechanism and the second pre-circularization mechanism both include a clamping assembly for clamping a plurality of iron cores, a rotating material receiving assembly for rotatably receiving the plurality of iron cores, and an inserting assembly for inserting the plurality of iron cores from the clamping assembly to the rotating material receiving assembly; the inserting assembly corresponds to the clamping assembly, and the rotating material receiving assembly can be movably located below the inserting assembly; the clamping assembly includes a placing device for placing a plurality of iron cores, a fixing device for fixing the plurality of iron cores on the placing device, and a transverse driving device for driving the placing device and the fixing device to move transversely together; the transverse driving device includes a transverse driving motor, a screw rod and a transverse slide The shaft end of the horizontal drive motor is connected to the screw rod, and the screw rod rotates with the horizontal slide; the material placing device includes a rotary drive motor and a material discharge plate, the rotary drive motor is installed on the horizontal slide, the material discharge plate is rotatably located on the horizontal slide, the shaft end of the rotary drive motor is connected to the material discharge plate, the rotary drive motor drives the material discharge plate to rotate on the horizontal slide, and a plurality of material discharge troughs for placing iron cores are arranged at intervals on the material discharge plate, and a magnet for attracting the iron core is arranged on the material discharge trough; the material fixing device includes a fixed material drive cylinder and a fixed material plate, the fixed material drive cylinder is installed on the horizontal slide, the fixed material plate can be longitudinally movably located on the horizontal slide, and the fixed material drive The shaft end of the cylinder is connected to a fixed material plate, on which a plurality of grooves for fixing the iron core are arranged at intervals, and the plurality of grooves correspond to a plurality of material discharge grooves, and the material discharge plate rotates to drive the material discharge groove to be relatively close to the grooves on the longitudinally movable fixed material plate so as to fix the iron core between the material discharge groove and the grooves; the rotating material connection assembly comprises a longitudinal driving cylinder, a longitudinal slide, a rotating material connection driving motor and a pre-formed round seat, the shaft end of the longitudinal driving cylinder is connected to the longitudinal slide, the rotating material connection driving motor is installed on the longitudinal slide, the pre-formed round seat is rotatably located on the longitudinal slide, the shaft end of the rotating material connection driving motor is connected to the pre-formed round seat, and a plurality of grooves for placing a plurality of The invention relates to a preformed circular groove for an iron core; the insertion assembly comprises a bracket, a vertical material shifting device and a vertical material pressing device, the vertical material shifting device comprises a material shifting driving cylinder and an inserting rod, the material shifting driving cylinder is installed on the bracket, the shaft end of the material shifting driving cylinder is connected to the inserting rod, the material shifting driving cylinder drives the inserting rod to descend to insert the iron core fixed between the material discharge trough and the groove and place it on the preformed circular seat; the vertical material pressing device comprises a material pressing driving cylinder and a pressing head, the material pressing driving cylinder is installed on the bracket on the side opposite to the material shifting driving cylinder, the shaft end of the material pressing driving cylinder is connected to the pressing head, the material pressing driving cylinder drives the pressing head to press down the plurality of iron cores on the preformed circular seat to preform the plurality of iron cores into circles.

5. The stator rounding machine according to claim 1, characterized in that: The rotary material exchange mechanism includes a support frame, a longitudinal movement drive assembly, a vertical movement drive assembly and a rotary material clamping assembly. The longitudinal movement drive assembly includes a longitudinal drive device and a longitudinal slide. The longitudinal drive device is installed on the support frame, and the longitudinal slide is slidably located on the support frame. The output end of the longitudinal drive device is connected to the longitudinal slide, and the longitudinal drive device drives the longitudinal slide to move longitudinally on the support frame; the vertical movement drive assembly includes a vertical drive device and a vertical slide. The vertical drive device is installed on the longitudinal slide, and the vertical slide is slidably located on the longitudinal slide. The output end of the vertical drive device is connected to the vertical slide; the rotary material clamping assembly includes a rotary cylinder and two material clamping cylinders installed on both sides of the output end of the rotary cylinder. The rotary cylinder is installed on the vertical slide, and the rotary cylinder drives the two material clamping cylinders to rotate.

6. The stator rounding machine according to claim 1, characterized in that: The first longitudinal material moving mechanism and the second longitudinal material moving mechanism both include a bracket, a longitudinal material moving drive assembly and a vertical material clamping drive assembly. The longitudinal material moving drive assembly includes a longitudinal material moving drive device and a longitudinal slide. The longitudinal material moving drive device is installed on the bracket. The longitudinal slide is slidably located on the bracket. The output of the longitudinal material moving drive device is connected to the longitudinal slide. The vertical material clamping drive assembly includes a vertical drive cylinder and a plurality of material clamping cylinders. The vertical drive cylinder is installed on the longitudinal slide. The plurality of material clamping cylinders can be vertically movably located on the longitudinal slide. The output end of the vertical drive cylinder is connected to a plurality of material clamping cylinders. The vertical drive cylinder drives the plurality of material clamping cylinders to move vertically on the longitudinal slide.

7. The stator rounding machine according to claim 1, characterized in that: The first transfer mechanism and the second transfer mechanism both include a support, a transverse drive assembly, a vertical drive assembly and a clamping cylinder. The transverse drive assembly includes a transverse drive device and a transverse slide. The transverse drive device is installed on the support. The transverse slide is slidably located on the transverse support. The output end of the transverse drive device is connected to the transverse slide. The vertical drive assembly includes a vertical drive cylinder and a vertical slide. The vertical drive cylinder is installed on the transverse slide. The vertical slide is slidably located on the transverse slide. The shaft end of the vertical drive cylinder is connected to the vertical slide. The clamping cylinder is installed on the vertical slide.

8. The stator rounding machine according to claim 1, characterized in that: The feeding and discharging mechanism includes a transverse driving assembly and a vertical clamping assembly. The transverse driving assembly includes a transverse driving device and a transverse slide. The output end of the transverse driving device is connected to the transverse slide. The vertical clamping assembly includes a vertical driving cylinder and a clamping cylinder. The vertical driving cylinder is installed on the transverse slide. The clamping cylinder is slidably located on the transverse slide. The axial end of the vertical driving cylinder is connected to the clamping cylinder. The vertical clamping assembly consists of two groups. The two groups of vertical clamping assemblies are installed in parallel on the transverse slide.

9. The stator rounding machine according to claim 1, characterized in that: The iron core feeding mechanism includes a feeding drive motor, a belt transmission device and a transfer plate. The belt transmission device includes a driving wheel, a driven wheel and a transmission belt. The driving wheel is installed on the shaft end of the feeding drive motor. The transmission belt surrounds the driving wheel and the driven wheel. The transfer plate is located on the transmission belt. A plurality of discharge seats for placing iron cores are provided on the transfer plate.

10. The stator rounding machine according to claim 1, characterized in that: It also includes a laser code engraving machine for engraving a two-dimensional code on the core-ring rail assembly with the core pressed into the ring rail transferred from the parallel rail feeding mechanism. The laser code engraving machine corresponds to the clamping cylinder of the feeding and discharging mechanism.

11. A stator rounding method according to any one of claims 1 to 10, characterized in that: The steps include: First, the iron core is fed by the iron core feeding mechanism; Second, the first longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the first pre-rounding mechanism, and the second longitudinal material transfer mechanism transfers the iron cores on the iron core feeding mechanism to the second pre-rounding mechanism; Third, the first pre-rounding mechanism and the second pre-rounding mechanism both pre-round a plurality of iron cores through a material clamping assembly, a rotating material connection assembly and a transfer and insertion assembly; Fourth, the first transfer mechanism transfers the pre-circularized iron core on the first pre-circularization mechanism to the iron core ring rail press-fitting mechanism, and the second transfer mechanism transfers the pre-circularized iron core on the second pre-circularization mechanism to the iron core ring rail press-fitting mechanism; Fifth, the feeding and discharging mechanism transfers the ring rail to the parallel rail feeding mechanism, the rotating exchange material mechanism and the iron core ring rail pressing mechanism in sequence; Sixth, the core ring rail pressing mechanism presses the plurality of cores collected from the first pre-circularization mechanism and the second pre-circularization mechanism into the ring rail; Seventh, the ring rail that has been pressed into the iron core is then transferred from the rotating material exchange mechanism and the parallel track feeding mechanism in sequence; Eighth, the parallel track feeding mechanism transports the iron core to the bottom of the laser coding machine, and the laser coding machine performs coding operation on the iron core; Ninth, the products that have passed the coding and ring rail pressing are taken out from the parallel track feeding mechanism by the ring gauge feeding and discharging mechanism.

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