A multi-station automatic winding machine for motor stator

Abstract

The invention relates to a multi-station automatic winding machine for a motor stator, comprising a frame, a multi-axis winding mechanism arranged on the frame, a stator conveying line arranged at a winding end of the multi-axis winding mechanism, an upper mold mechanism slidably arranged on the frame for simultaneously installing winding molds on a plurality of stators on the stator conveying line, and a translation cylinder arranged on the frame for driving the upper mold mechanism to approach or move away from the winding end of the multi-axis winding mechanism; the stator conveying line comprises a winding guide rail arranged on the upper mold mechanism, a loading guide rail and a unloading guide rail respectively arranged on the frame and located at both ends of the winding guide rail; the loading guide rail is provided with a loading mechanism for neatly delivering a plurality of stators to the winding guide rail each time; the invention has a high degree of automation, can not only realize automatic winding, but also can process a plurality of stators at one time, thereby greatly improving work efficiency.

Description

Technical Field

[0001] The invention relates to the field of motor manufacturing, in particular to a multi-station automatic winding machine for a motor stator. Background Art

[0002] The stator is an important component in the motor, and its function is to generate a rotating magnetic field. Its structure mainly consists of three parts: a stator core, a stator winding and a machine base. Various stator winding machines have also appeared on the market, such as a winding device for a series-excited motor stator series winding package disclosed in prior art 200810069846.5, and a double-slot stator fully automatic winding machine disclosed in prior art 201120324370.2. Although the above-mentioned prior arts can realize automatic winding, they can only process one at a time, and the efficiency is low. Summary of the invention

[0003] The purpose of the present invention is to provide a motor stator multi-station automatic winding machine in order to overcome the deficiencies of the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a multi-station automatic winding machine for a motor stator, comprising a frame, a multi-axis winding mechanism arranged on the frame, a stator conveyor line arranged at the winding end of the multi-axis winding mechanism, an upper mold mechanism slidably arranged on the frame for simultaneously installing winding molds on multiple stators on the stator conveyor line, and a translation cylinder arranged on the frame for driving the upper mold mechanism to approach or move away from the winding end of the multi-axis winding mechanism; the stator conveyor line includes a winding guide rail arranged on the upper mold mechanism, a loading guide rail and a unloading guide rail respectively arranged on the frame and located at both ends of the winding guide rail; the loading guide rail is provided with a loading mechanism that neatly delivers multiple stators to the winding guide rail each time.

[0005] Preferably, the upper mold mechanism includes a support frame slidably arranged on the frame, a front mold mechanism arranged on the outside of the winding guide rail for installing or removing the winding front mold at the front end of the stator, a rear mold mechanism arranged on the inside of the winding guide rail for installing or removing the winding rear mold at the rear end of the stator, and a locking mechanism arranged on the support frame for fixing the winding front mold and the winding rear mold at both ends of the stator.

[0006] Preferably, the front mold mechanism includes a front mold base plate arranged on a support frame, a front mold movable plate slidably arranged on the front mold base plate, a front mold cylinder arranged on the front mold base plate to drive the front mold movable plate to move in the direction of the winding guide rail, a plurality of front mold seats arranged at intervals on the front mold movable plate, and a plurality of groups of winding front molds arranged on the upper and lower surfaces of a plurality of front mold seats and fixed by magnetic force.

[0007] Preferably, the rear mold mechanism includes a rear mold bottom plate, a Y-axis movable plate slidably set on the rear mold bottom plate, a Y-axis cylinder set on the rear mold bottom plate for driving the Y-axis movable plate to move in the direction of the winding guide rail, an X-axis movable plate slidably set on the Y-axis movable plate, an X-axis cylinder set at one end of the Y-axis movable plate for driving the X-axis movable plate to move along the length direction of the winding guide rail, a plurality of rear mold seats arranged at intervals on the X-axis movable plate, and a plurality of groups of winding rear molds arranged on the upper and lower surfaces of a plurality of rear mold seats and fixed by magnetic force.

[0008] Preferably, the rear mold mechanism further comprises an XY movable platform arranged on the frame; and the rear mold base plate is arranged on the XY movable platform.

[0009] Preferably, the locking mechanism includes an upper locking assembly arranged above the winding guide rail, and a lower locking assembly arranged below the winding guide rail; the upper locking assembly and the lower locking assembly have the same structure and are placed horizontally symmetrically, and both include a locking movable plate slidably arranged on a support frame, a locking lifting cylinder arranged on the support frame for driving the locking movable plate to move up and down, a plurality of locking cylinders arranged at intervals on the locking movable plate, and a U-shaped locking core arranged at the driving end of the locking cylinder; the front and rear heads of each of the lock cores are provided with hook grooves; the winding front mold and the winding rear mold are both provided with hooks corresponding to the grooves; a pressure plate is also provided at the bottom of the locking movable plate of the upper locking assembly for fixing the plurality of stators on the winding guide rail.

[0010] Preferably, the multi-axis winding mechanism includes a box body, two guide rods arranged in parallel in the box body, a reciprocating frame slidably arranged on the two guide rods, a plurality of flying fork rods arranged in parallel and passing through the box body and the reciprocating frame, driven gears respectively fixed on the flying fork rods and located in the reciprocating frame, a plurality of idler wheels rotatably arranged on the reciprocating frame and meshing with two adjacent driven gears, a reversing rod rotatably arranged on the reciprocating frame, a main shaft assembly passing through the bottom of the box body, and a stroke adjustment assembly horizontally arranged at the upper end of the main shaft assembly and located below the reciprocating frame; the upper end of the reversing rod is provided with a circle of convex teeth meshing with the idler wheel, and the lower end is rotatably connected to one end of the stroke adjustment assembly.

[0011] Preferably, the feeding mechanism includes slide grooves respectively arranged on the feeding guide rail and the winding guide rail, a pushing rod slidably arranged in the slide groove, and a feeding cylinder arranged on the feeding guide rail to drive the pushing rod to move horizontally; the pushing rod is provided with a plurality of grooves evenly spaced; each of the grooves is provided with a rotatably connected stopper, and a torsion spring driving the stopper to protrude from the upper end surface of the pushing rod.

[0012] Preferably, positioning ribs are provided on both sides of the loading guide rail.

[0013] Preferably, the frame is respectively provided with a loading robot for loading materials onto the loading guide rail and a unloading robot for unloading materials onto the unloading guide rail.

[0014] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0015] 1. The present invention has a high degree of automation, which can not only realize automatic winding, but also process multiple at a time, greatly improving work efficiency;

[0016] 2. The present invention is provided with a loading robot and a unloading robot, which can be connected with other stator production equipment to realize assembly line production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The technical solution of the present invention is further described below in conjunction with the accompanying drawings:

[0018] Attached Figure 1 This is a front structural schematic diagram of the motor stator multi-station automatic winding machine of the present invention;

[0019] Attached Figure 2 It is a schematic diagram of the back part of the structure of the multi-station automatic winding machine for motor stators according to the present invention;

[0020] Attached Figure 3 It is a structural schematic diagram of the stator conveying line in the present invention;

[0021] Attached Figure 4 It is a side view of the stator conveying line in the present invention;

[0022] Attached Figure 5 It is a structural schematic diagram of the front mold mechanism in the present invention;

[0023] Attached Figure 6 It is a structural schematic diagram of the rear mold mechanism in the present invention;

[0024] Attached Figure 7 It is a working schematic diagram of the clamping mechanism in the present invention;

[0025] Attached Figure 8 It is a structural schematic diagram of the four-axis winding mechanism in the present invention;

[0026] Attached Fig. 9 It is a side view of the four-axis winding mechanism in the present invention.

[0027] Among them: 1. Frame; 2. Four-axis winding mechanism; 21. Guide rod; 22. Reciprocating frame; 23. Driven gear; 24. Idle wheel; 25. Flying fork rod; 26. Reversing rod; 27. Spindle assembly; 28. Stroke adjustment assembly; 29. ​​Convex teeth; 3. Stator conveyor line; 31. Feeding guide rail; 32. Winding guide rail; 33. Unloading guide rail; 34. Feeding mechanism; 341. Push rod; 342. Groove; 343. Block; 344. Feeding cylinder; 35. Positioning rib; 36. Slide; 4. Upper mold mechanism; 41. Front mold mechanism; 411. Front mold bottom plate; 412 , front mold movable plate; 413, front mold cylinder; 414, winding front mold; 42, rear mold mechanism; 421, XY moving platform; 422, rear mold bottom plate; 423, Y-axis movable plate; 424, Y-axis cylinder; 425, X-axis movable plate; 426, X-axis cylinder; 427, rear mold base; 428, winding rear mold; 43, locking mechanism; 431, locking lifting cylinder; 432, locking cylinder; 433, locking movable plate; 434, locking core; 435, pressing plate; 44, supporting frame; 5, translation cylinder; 6, loading robot; 7, unloading robot; 8, stator. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Attached Figure 1-9 The motor stator multi-station automatic winding machine of the present invention comprises a frame 1, a four-axis winding mechanism 2 arranged on the frame 1, a stator conveying line 3 arranged at the winding end of the four-axis winding mechanism 2, an upper mold mechanism 4 slidably arranged on the frame 1 for simultaneously installing winding molds on four stators 8 on the stator conveying line 3, and a translation cylinder 5 arranged on the frame 1 for driving the upper mold mechanism 4 to approach or move away from the winding end of the four-axis winding mechanism 2; the stator conveying line 3 includes a winding guide rail 32 arranged on the upper mold mechanism 4, and a feeding guide rail 31 and a unloading guide rail 33 respectively arranged on the frame 1 and located at both ends of the winding guide rail 32; the feeding guide rail 31 is provided with a thread that neatly delivers four stators 8 to the winding guide rail 32 each time The feeding mechanism 34 on the stator conveyor line 3; when working: the feeding mechanism 34 sends the four stators 8 neatly to the winding guide rail 32 each time, and then the upper mold mechanism 4 installs the winding mold on the four stators 8 on the stator conveyor line 3 at the same time, and then the translation cylinder 5 drives the upper mold mechanism 4 to approach the winding end of the four-axis winding mechanism 2, and finally the four-axis winding mechanism 2 winds the four stators 8 on the stator conveyor line 3 at the same time; when the winding is completed, the translation cylinder 5 drives the upper mold mechanism 4 away from the winding end of the four-axis winding mechanism 2 and returns to the initial position, and the feeding mechanism 34 sends the four stators 8 neatly to the winding guide rail 32 again, and pushes the four stators 8 that have completed winding on the winding guide rail 32 to the lower feeding guide rail 33, and works in sequence.

[0030] Further, the upper mold mechanism 4 includes a support frame 44 slidably arranged on the frame 1, a front mold mechanism 41 arranged on the outside of the winding guide rail 32 for installing or removing the winding front mold 414 at the front end of the stator 8, a rear mold mechanism 42 arranged on the inside of the winding guide rail 32 for installing or removing the winding rear mold 428 at the rear end of the stator 8, and a locking mechanism 43 arranged on the support frame 44 for fixing the winding front mold 414 and the winding rear mold 428 at both ends of the stator 8; the front mold mechanism 41 includes a front mold bottom plate 411 arranged on the support frame 44, a front mold movable plate 412 slidably arranged on the front mold bottom plate 411, a front mold cylinder 413 arranged on the front mold bottom plate 411 for driving the front mold movable plate 412 to move toward the winding guide rail 32, and four spaced apart A front mold base on the front mold movable plate 412, four groups of winding front molds 414 arranged on the upper and lower surfaces of the four front mold bases and fixed by magnetic force; the rear mold mechanism 42 includes a rear mold bottom plate 422, a Y-axis movable plate 423 slidably arranged on the rear mold bottom plate 422, a Y-axis cylinder 424 arranged on the rear mold bottom plate 422 for driving the Y-axis movable plate 423 to move in the direction of the winding guide rail 32, an X-axis movable plate 425 slidably arranged on the Y-axis movable plate 423, an X-axis cylinder 426 arranged at one end of the Y-axis movable plate 423 for driving the X-axis movable plate 425 to move along the length direction of the winding guide rail 32, four rear mold bases 427 arranged on the X-axis movable plate 425 at intervals, and four groups of rear mold bases 427 arranged on the upper and lower surfaces of the four rear mold bases 427 and fixed by magnetic force. The winding rear mold 428; the clamping mechanism 43 includes an upper clamping assembly arranged above the winding guide rail 32 and a lower clamping assembly arranged below the winding guide rail 32; the upper clamping assembly and the lower clamping assembly have the same structure and are placed horizontally symmetrically, and both include a clamping movable plate 433 slidably arranged on the support frame 44, a clamping lifting cylinder 431 arranged on the support frame 44 for driving the clamping movable plate 433 to move up and down, four clamping cylinders 432 arranged at intervals on the clamping movable plate 433, and a U-shaped locking core 434 arranged at the driving end of the clamping cylinder 432; each of the front and rear heads of the locking core 434 is provided with a hook groove; the winding front mold 414 and the winding rear mold 428 are both provided with hooks corresponding to the grooves; the upper clamping mold assembly A pressing plate 435 is also provided at the bottom of the clamping movable plate 433 of the component for fixing the four stators 8 on the winding guide rail 32; during operation: the upper clamping mold assembly and the lower clamping mold assembly respectively drive the clamping movable plate 433 to move toward the winding guide rail 32 through the clamping mold lifting cylinder 431, until the pressing plate 435 presses the four stators 8 on the winding guide rail 32 to achieve fixation, and then the upper clamping mold assembly and the lower clamping mold assembly respectively drive the four locking cores 434 to insert the two ends of the four stators 8 on the winding guide rail 32 through the four clamping mold cylinders 432; then, the front mold cylinder 413 drives the front mold movable plate 412 to drive the four groups of winding front molds 414 to be respectively inserted into the front ends of the four stators 8 on the winding guide rail 32, until the hook on the winding front mold 414 is stuck in the hook groove at one end of the lock core 434;At the same time, the X-axis cylinder 426 drives the X-axis movable plate 425 to drive the four sets of winding rear molds 428 to move, so that the four sets of winding rear molds 428 are first aligned with the rear ends of the four stators 8 on the winding guide rail 32 (due to the obstruction of the winding end of the four-axis winding mechanism 2, the initial positions of the four sets of winding rear molds 428 are not coaxial with the four stators 8 on the winding guide rail 32), and then the Y-axis cylinder 424 drives the Y-axis movable plate 423 to drive the four sets of winding rear molds 428 to be inserted into the rear ends of the four stators 8 on the winding guide rail 32 respectively until The hook on the winding rear mold 428 is inserted into the hook groove at the other end of the lock core 434; finally, the upper and lower clamping mold assemblies respectively drive the four lock cores 434 through the four clamping cylinders 432 to fix the winding front mold 414 and the winding rear mold 428 at both ends of the stator 8, and return the front mold mechanism 41 and the rear mold mechanism 42 to the initial position to realize the upper mold; wherein the hook and the hook groove are existing structures, such as a fully automatic stator double-station winding machine disclosed in the prior art 201921596160.1. ;

[0031] Furthermore, the rear mold mechanism 42 also includes an XY movable platform 421 disposed on the frame 1; the rear mold base plate 422 is disposed on the XY movable platform 421; the position of the rear mold mechanism 42 can be adjusted through the XY movable platform 421 to adapt to different models.

[0032] Furthermore, the four-axis winding mechanism 2 includes a box body, two guide rods 21 arranged in parallel in the box body, a reciprocating frame 22 slidably arranged on the two guide rods 21, four flying fork rods 25 arranged in parallel and passing through the box body and the reciprocating frame 22, driven gears 23 respectively fixed on the flying fork rods 25 and located in the reciprocating frame 22, three idler wheels 24 rotatably arranged on the reciprocating frame 22 and meshing with two adjacent driven gears 23, a reversing rod 26 rotatably arranged on the reciprocating frame 22, a main shaft assembly 27 passing through the bottom of the box body, and a stroke adjustment assembly 28 horizontally arranged at the upper end of the main shaft assembly 27 and located below the reciprocating frame 22; the upper end of the reversing rod 26 is provided with a circle The convex tooth 29 meshing with the idler wheel 24 is rotatably connected at the lower end to one end of the stroke adjustment component 28; during operation, the main shaft component 27 drives the stroke adjustment component 28 to rotate horizontally, and the stroke adjustment component 28 drives the reversing rod 26 to reciprocate along the guide rod 21, and also swings left and right, thereby driving the reciprocating frame 22 to reciprocate along the guide rod 21, and at the same time, the convex tooth 29 is meshed with the idler wheel 24, and the idler wheel 24 is meshed with two adjacent driven gears 23, and finally drives the four flying fork rods 25 to perform both linear reciprocating motion and circular reciprocating motion to achieve winding; the stroke adjustment component 28 can adjust the stroke of the linear reciprocating motion and circular reciprocating motion of the flying fork rod 25.

[0033] Furthermore, the feeding guide rail 31 and the winding guide rail 32 are both provided with a slide groove 36; the feeding mechanism 34 includes a push rod 341 slidably arranged in the slide groove 36, and a feeding cylinder 344 arranged on the feeding guide rail 31 to drive the push rod 341 to move horizontally; the push rod 341 is provided with four grooves 342 evenly spaced; each of the grooves 342 is provided with a rotatably connected stopper 343, and the stopper 343 is driven to protrude from the push rod 3 41 torsion spring on the upper end surface; when working: the stator 8 is placed on the feeding guide rail 31, and placed in sequence along one side of the stopper 343. When one side of the four stoppers 343 is full of stators 8, the feeding cylinder 344 drives the feeding rod to move horizontally, and the four stators 8 are transported to the winding guide rail 32 for the winding process. Finally, the feeding cylinder 344 returns to the initial position, and the stopper 343 will overcome the elastic force of the torsion spring under the gravity of the stator 8 and retract into the groove 342.

[0034] Furthermore, positioning ribs 35 are provided on both sides of the feeding guide rail 31, which not only play a positioning role, but also a guiding role, and can effectively prevent the stator 8 from deviating during the movement process.

[0035] Furthermore, the frame 1 is provided with a loading robot 6 for loading materials onto the loading guide rail 31 and a unloading robot 7 for unloading materials onto the unloading guide rail 33, respectively, which can be connected to other stator production equipment to realize assembly line production.

[0036] The above are only specific application examples of the present invention and do not constitute any limitation on the protection scope of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the present invention.

Claims

1. A multi-station automatic winding machine for a motor stator, characterized in that: It comprises a frame, a multi-axis winding mechanism arranged on the frame, a stator conveying line arranged at the winding end of the multi-axis winding mechanism, an upper mold mechanism slidably arranged on the frame for simultaneously installing winding molds on multiple stators on the stator conveying line, and a translation cylinder arranged on the frame for driving the upper mold mechanism to approach or move away from the winding end of the multi-axis winding mechanism; The stator conveyor line includes a winding guide rail arranged on the upper mold mechanism, and a loading guide rail and a unloading guide rail respectively arranged on the frame and located at both ends of the winding guide rail; the loading guide rail is provided with a loading mechanism that neatly delivers multiple stators to the winding guide rail each time; The upper mold mechanism includes a support frame slidably arranged on the frame, a front mold mechanism arranged on the outside of the winding guide rail for installing or removing the winding front mold at the front end of the stator, a rear mold mechanism arranged on the inside of the winding guide rail for installing or removing the winding rear mold at the rear end of the stator, and a locking mechanism arranged on the support frame for fixing the winding front mold and the winding rear mold at both ends of the stator.

2. The multi-station automatic winding machine for motor stator according to claim 1 is characterized in that: The front mold mechanism includes a front mold base plate arranged on a support frame, a front mold movable plate slidably arranged on the front mold base plate, a front mold cylinder arranged on the front mold base plate to drive the front mold movable plate to move in the direction of the winding guide rail, a plurality of front mold seats arranged at intervals on the front mold movable plate, and a plurality of groups of winding front molds arranged on the upper and lower surfaces of a plurality of front mold seats and fixed by magnetic force.

3. The multi-station automatic winding machine for motor stator according to claim 2 is characterized in that: The rear mold mechanism includes a rear mold bottom plate, a Y-axis movable plate slidably arranged on the rear mold bottom plate, a Y-axis cylinder arranged on the rear mold bottom plate for driving the Y-axis movable plate to move in the direction of the winding guide rail, an X-axis movable plate slidably arranged on the Y-axis movable plate, an X-axis cylinder arranged at one end of the Y-axis movable plate for driving the X-axis movable plate to move along the length direction of the winding guide rail, a plurality of rear mold seats arranged at intervals on the X-axis movable plate, and a plurality of groups of winding rear molds arranged on the upper and lower surfaces of a plurality of rear mold seats and fixed by magnetic force.

4. The multi-station automatic winding machine for motor stator according to claim 3 is characterized in that: The rear mold mechanism also includes an XY moving platform arranged on a frame; the rear mold bottom plate is arranged on the XY moving platform.

5. The multi-station automatic winding machine for motor stators according to claim 4 is characterized in that: The clamping mechanism comprises an upper clamping assembly arranged above the winding guide rail and a lower clamping assembly arranged below the winding guide rail; the upper clamping assembly and the lower clamping assembly have the same structure and are placed horizontally symmetrically, and both comprise a clamping movable plate slidably arranged on a support frame, a clamping lifting cylinder arranged on the support frame for driving the clamping movable plate to move up and down, a plurality of clamping cylinders arranged at intervals on the clamping movable plate, and a U-shaped locking core arranged at the driving end of the clamping cylinder; the front and rear heads of each of the locking cores are provided with hook grooves; the winding front mold and the winding rear mold are both provided with hooks corresponding to the grooves; a pressing plate for fixing a plurality of stators on the winding guide rail is also provided at the bottom of the clamping movable plate of the upper clamping assembly.

6. The motor stator multi-station automatic winding machine according to any one of claims 1 to 5, characterized in that: The multi-axis winding mechanism includes a box body, two guide rods arranged in parallel in the box body, a reciprocating frame slidably arranged on the two guide rods, a plurality of flying fork rods arranged in parallel and passing through the box body and the reciprocating frame, driven gears respectively fixed on the flying fork rods and located in the reciprocating frame, a plurality of idler wheels rotatably arranged on the reciprocating frame and meshing with two adjacent driven gears, a reversing rod rotatably arranged on the reciprocating frame, a main shaft assembly passing through the bottom of the box body, and a stroke adjustment assembly horizontally arranged at the upper end of the main shaft assembly and located below the reciprocating frame; the upper end of the reversing rod is provided with a circle of convex teeth meshing with the idler wheel, and the lower end is rotatably connected to one end of the stroke adjustment assembly.

7. The multi-station automatic winding machine for motor stators according to claim 6, characterized in that: The feeding mechanism includes slide grooves respectively arranged on the feeding guide rail and the winding guide rail, a push rod slidably arranged in the slide groove, and a feeding cylinder arranged on the feeding guide rail to drive the push rod to move horizontally; the push rod is provided with a plurality of grooves evenly spaced; each of the grooves is provided with a rotatably connected stopper, and a torsion spring driving the stopper to protrude from the upper end surface of the push rod.

8. The multi-station automatic winding machine for motor stators according to claim 7, characterized in that: Positioning ribs are arranged on both sides of the feeding guide rail.

9. The multi-station automatic winding machine for motor stators according to claim 8, characterized in that: The frame is respectively provided with a loading manipulator for loading materials on the loading guide rail and a unloading manipulator for unloading materials from the unloading guide rail.

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