CN217427911U

CN217427911U - Stator wire cutting machine

Info

Publication number: CN217427911U
Application number: CN202220778024.XU
Authority: CN
Inventors: 谢俊; 周华国; 廖建勇
Original assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Current assignee: Shenzhen Honest Intelligent Equipment Co Ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-09-13
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a stator wire cutting machine, which comprises a wire cutting mechanism for cutting off redundant wires of a stator, a conveying mechanism for conveying the stator to the wire cutting mechanism, a pressing and rotating mechanism for pressing and fixing the stator and driving the stator to rotate so as to lead the stator wires to be gradually rotated to a wire cutting position, and a recovery mechanism for recovering the cut redundant wires; the thread trimming mechanism is located below the pressing and rotating mechanism, and the recovery mechanism is located below the thread trimming mechanism. Among the prior art, motor stator wire winding accomplishes the back, and its stator lead-out wire can reserve unnecessary length, often needs the manual work to tailor, influences motor stator's production efficiency, and the wire rod length of manual work tailorring can not keep neatly drawing one, can cause adverse effect to subsequent welding link, and the stator quality problem of production is more relatively, the utility model provides a stator wire cutting machine has realized the automatic trimming to stator wire, very big improvement production efficiency, promoted the stator quality.

Description

Stator wire cutting machine

Technical Field

The utility model relates to a motor assembly field, concretely relates to stator wire cutting machine.

Background

In the manufacturing process of a motor, the quality of stator manufacturing is the key point for determining the quality of the motor, redundant wires can be led out from a stator winding coil, a U-shaped terminal is positioned on the side surface of the stator, the wire is pulled into the U-shaped terminal and clamped tightly during stator trimming welding, the redundant wires are trimmed, the U-shaped terminal and the wires are welded, the length of an existing stator lead is easy to overlong or overlong, so that the assembly efficiency and the quality of a compressor are affected, when the length of the stator lead is too long, a top cover is assembled, the lead insulation sleeve touches the welding part of a shell of the compressor, the insulation sleeve is scalded in the high-temperature welding process, and the product is short-circuited; after the motor stator among the prior art is around accomplishing the line, its stator lead-out wire all can reserve unnecessary length, mostly need cut off unnecessary length of stator lead-out wire and manual measurement wire rod length with the scissors by the manual work in addition, influence motor stator's production efficiency, and the wire rod length of artifical tailorring can not keep neatly drawing one, can cause adverse effect to subsequent welding link, and the stator quality problems of production are more relatively.

Therefore, a stator wire cutting machine is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a stator wire cutting machine to achieve automatic wire cutting of stator wires, improve production efficiency and improve stator quality.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a stator wire cutting machine comprises a wire cutting mechanism for cutting redundant wires of a stator, a conveying mechanism for conveying the stator to the wire cutting mechanism, a pressing and rotating mechanism for pressing and fixing the stator and driving the stator to rotate so that the stator wires are rotated to a wire cutting position one by one, and a recovery mechanism for recovering the cut redundant wires; the wire cutting mechanism is positioned below the pressing rotating mechanism, and the recovery mechanism is positioned below the wire cutting mechanism; the wire cutting mechanism comprises a wire cutting support, a mounting plate, a wire cutting cylinder, a wire clamping cylinder and a driving assembly, wherein the wire clamping cylinder is used for being matched with the wire cutting cylinder to pull redundant wires and enable the redundant wires to fall off, and the driving assembly is used for driving the wire cutting cylinder and the wire clamping cylinder to move longitudinally and vertically to be close to or far away from a wire cutting position; the mounting plate is horizontally arranged on the trimming support, the trimming cylinder is arranged on the lower surface of the mounting plate, and the wire clamping cylinder is arranged below the trimming cylinder; the compressing and rotating mechanism comprises a rotating base and a compressing and rotating device, the rotating base is used for bearing and driving the stator to rotate, the compressing and rotating device is used for compressing and fixing the stator, the rotating base is movably arranged on the conveying mechanism, and the rotating base is movably located below the compressing and rotating device.

Preferably, two trimming cylinders are installed below the installation plate of the trimming mechanism and symmetrically distributed beside the trimming position.

Preferably, the thread trimming cylinder is inclined upward and toward the thread trimming position.

Preferably, the wire clamping cylinder is installed at the bottom of the wire shearing cylinder and inclines upwards to the stator wire shearing position.

Preferably, the thread trimming mechanism is further provided with two funnels, and the bottoms of the two funnels are respectively provided with a thread sensor for detecting whether the thread falls off.

Preferably, the compression rotating device is provided with a shock absorption assembly for buffering collision, the shock absorption assembly comprises a sleeve, a spring and a guide rod, the spring is nested outside the guide rod, the guide rod and the spring are movably embedded in the sleeve, and the end part of the spring is blocked by the end part of the sleeve.

Preferably, the bottom of the damping assembly is connected with a rotating assembly, the rotating assembly comprises a fixed block, a rotating shaft and a pressing block, the pressing block is installed at the bottom of the rotating shaft, the rotating shaft is rotatably embedded in the fixed block, and the fixed block is connected with the bottom of the damping assembly.

Preferably, the pressing block is circular.

Preferably, the rotating base comprises a bottom plate, a motor, a transmission gear and a bottom plate gear for driving the stator to rotate, the transmission gear is installed at the output end of the motor and meshed with the transmission gear, and the bottom plate is fixedly installed on the upper surface of the bottom plate gear.

Preferably, the lower part of the conveying mechanism is provided with a conveying support for supporting the conveying mechanism, and the conveying support is reserved with a moving space for the thread shearing mechanism to perform thread shearing action.

The utility model provides a technical problem be, after the motor stator among the prior art has been around the line, its stator lead-out wire all can reserve unnecessary length, and most all need artifically cut off unnecessary length of stator lead-out wire and artifical measurement wire rod length with the scissors moreover, influence motor stator's production efficiency, and the wire rod length of artifical tailorring can not keep neatly drawing one, can cause adverse effect to subsequent welding link, and the stator quality problem of production is relatively more, the utility model provides a stator wire cutting machine has realized the automatic wire cutting to the stator wire rod, very big improvement production efficiency, has promoted the stator quality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

FIG. 1 is a schematic view of a three-dimensional structure of a stator trimming machine of the present invention;

FIG. 2 is a schematic perspective view of the pressing and rotating device of the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the stator trimming machine of the present invention;

FIG. 4 is a schematic view of a partial three-dimensional structure of the thread trimming mechanism of the present invention;

FIG. 5 is a partial perspective view of the thread trimming mechanism of the present invention;

fig. 6 is a schematic view of the internal three-dimensional structure of the rotating base of the present invention.

Description of the figures:

10. a thread trimming mechanism; 11. a trimming cylinder; 12. a wire clamping cylinder; 13. a drive assembly; 14. mounting a plate; 15. A trimming bracket; 16. a funnel; 17. a wire sensor; 20. a conveying mechanism; 21. a delivery stent; 22. a slide rail; 23. a slide plate; 30. a pressing rotating mechanism; 31. rotating the base; 311. rotating the bracket; 312. rotating the support plate; 313. a motor; 314. a transmission gear; 315. a bottom plate gear; 316. a base plate; 32. a pressing rotating device; 321. compressing the bracket; 322. pressing the supporting plate; 323. compressing the rotary electric cylinder; 324. a shock absorbing assembly; 325. a rotating assembly; 326. a sleeve; 328. a guide bar; 329. a fixed block; 3210. a rotating shaft; 3211. A compression block; 40. a recovery mechanism; 41. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to 6, the stator wire cutting machine is installed on a substrate, and comprises a wire cutting mechanism 10 for cutting off excess wire of a stator, a conveying mechanism 20 for conveying the stator to the wire cutting mechanism 10, a pressing and rotating mechanism 30 for pressing and fixing the stator and driving the stator to rotate so that the stator wire turns to a wire cutting position one by one, and a recycling mechanism 40 for recycling the cut excess wire; the thread trimming mechanism 10 is located right below the pressing and rotating mechanism 30 and below the conveying mechanism 20, the recovery mechanism 40 is located below the thread trimming mechanism 10, and the thread trimming mechanism 10 is arranged right below the conveying mechanism 20, so that the cut thread material can fall and be recovered. The orientation of the conveyor 20 is noted as longitudinal.

The trimming mechanism 10 comprises a trimming cylinder 11 for trimming redundant wires which exceed the upper part of the U-shaped terminal, a wire clamping cylinder 12 for matching with the trimming cylinder 11 to pull the redundant wires and enable the redundant wires to fall off, a driving assembly 13 for driving the trimming cylinder 11 and the wire clamping cylinder 12 to move longitudinally and vertically so as to be close to or far away from a trimming position, a mounting plate 13 and a trimming support 14; the trimming bracket 14 is arranged on the base plate, the mounting plate 13 is arranged at the end part of the trimming bracket 14, the driving assembly 13 is arranged below the mounting plate 13, the thread trimming cylinder 11 is arranged at the output end of the driving assembly 13, the direction of the thread trimming cylinder 11 is upwards inclined towards the thread trimming position, the thread clamping cylinder 12 is arranged at the bottom of the thread trimming cylinder 11 and inclines towards the thread trimming position, the mounting plate 13 is provided with a pair of thread trimming cylinders 11, two funnels 15 are arranged right below the pair of trimming cylinders 11, the two funnels 15 are in a V shape, at the bottom of each of the two funnels 15, there is a wire sensor 16, which, when the cut wire falls down and passes through the two funnels 15, the wire sensor 16 can sense that the wire passes through, and the funnel prevents the wire from falling to other positions, so that the stator wire cutting machine is jammed.

Specifically, 11 directions of trimming cylinder set up for tilt up, be favorable to the trimming and pull, in the time of the trimming, 11 reachs the trimming positions in vertical drive assembly 13 drive trimming cylinder, the wire rod is fixed in the double-layered line cylinder 12 clamp of trimming cylinder 11 below, trimming cylinder 11 is cuted the wire rod, after the shearing is accomplished, vertical drive assembly 13 descends drive trimming cylinder 11 and double-layered line cylinder 12 and descends, the wire rod is broken, the effect that sets up double-layered line cylinder 12 is, after 11 shears of trimming cylinder, the trace department of wire rod has the part to be connected, can not drop naturally, double-layered line cylinder 12 breaks the wire rod and drops. After the trimming cylinder 11 and the pulling mechanism descend, the longitudinal driving assembly 13 moves to drive the trimming cylinder 11 and the wire clamping cylinder 12 to be away from the trimming position, the trimming cylinder 11 opens, the next wire reaches the trimming position, the vertical driving assembly 13 drives the trimming cylinder 11 and the pulling mechanism to ascend, and the longitudinal driving assembly drives the trimming cylinder 11 and the wire clamping cylinder 12 to reach the trimming position to perform secondary trimming.

The recovery mechanism 40 is located right below the two funnels 15, the recovery mechanism 40 is located below the base plate and is connected with the base plate through a connecting rod 41, when the wires are cut off and fall, the two funnels 15 are used for collecting the cut-off wires and recycling the cut-off wires, and resource saving is facilitated.

The trimming conveying mechanism 20 comprises a conveying support 21, a sliding rail 22 longitudinally arranged above the conveying support 21, and a sliding plate 23 movably mounted on the sliding rail 22, wherein the conveying support 21 is mounted on the substrate, the conveying mechanism 20 is used for conveying or moving the stator out of the position above the trimming cylinder 11, specifically, the stator is turned over by a manipulator, the stator wire is downward, the turned stator is placed on the rotating base 31, and the rotating base 31 is conveyed to the trimming position by the conveying mechanism 20. The purpose of the conveyor means 20 with the conveyor frame 21 is to reserve a space for the thread cutting action of the thread cutting means 10.

The pressing and rotating mechanism 30 includes a rotating base 31 and a pressing and rotating device 32.

The rotating base 31 is installed on the sliding plate 23 of the conveying mechanism 20, the rotating base 31 comprises a rotating bracket 311, a rotating support plate 312, a motor 313, a transmission gear 314, a bottom plate gear 315 and a bottom plate 316, the rotating bracket 311 is installed on the sliding plate 23, the rotating support plate 312 is installed on the rotating bracket 311, the motor 313 is installed at the bottom of the rotating support plate 312, the output end of the motor 313 is provided with the transmission gear 314, the bottom plate gear 315 is installed inside the rotating support plate 312 in a nested manner, the upper surface of the bottom plate gear 315 is provided with the bottom plate 316 for shielding the bottom plate gear 315, and the transmission gear 314 is meshed with the bottom plate 316 gear 315. The rotating base 31 is used for bearing and driving the stator to rotate, so that the wire rods of the stator rotate to the wire shearing cylinder 11 one by one and are matched with the wire shearing cylinder 11 for wire shearing.

The pressing and rotating device 32 comprises a pressing bracket 321, a pressing support plate 322 vertically arranged at the end of the pressing bracket 321, a pressing and rotating electric cylinder 323 vertically arranged at the side of the pressing support plate 322, a damping assembly 324 arranged at the output end of the pressing and rotating electric cylinder 323, and a rotating assembly 325 arranged at the bottom of the damping assembly 324; the damping assembly 324 includes a sleeve 326, a spring nested outside the guide, and a guide 328 movably embedded inside the sleeve 326, with an end of the spring being blocked by an end of the sleeve 326, such that the sleeve 326 and the guide are relatively displaced by deformation of the spring; the rotating assembly 325 comprises a fixed block 329, a rotating shaft 3210 and a circular pressing block 3211, the pressing block 3211 is fixedly connected with the rotating shaft 3210, the rotating shaft 3210 is embedded in the fixed block 329 and rotatably connected with the fixed block 329, and the fixed block 329 is mounted at the bottom of the damping assembly 324.

The pressing rotary device 32 is located right above the output end of the conveying mechanism 20, specifically, the rotary base 31 is loaded with a stator to be trimmed, when the rotary base 31 is conveyed to the position right below the pressing rotary device 32 by the conveying device, the pressing rotary electric cylinder 323 of the rotary pressing device drives the damping component 324 and the rotary component 325 to descend, when the rotary component 325 is abutted to the stator, the spring of the damping device elastically contracts to reduce the damage of collision to the stator and the stator trimming machine, the pressing block 3211 is matched with the rotary base 31 to press and fix the stator, and ensures the normal rotation of the stator, the pressing rotary device 32 keeps rotating synchronously with the rotary base 31 and is matched with the trimming cylinder 11 to trim wires, when the trimming cylinder 11 descends and retreats away from the trimming position after the trimming cylinder 11 trims a wire, the pressure head and the bottom plate 316 of the rotary mechanism drive the stator to rotate by a corresponding angle, so that the next wire rod reaches the wire shearing position and the wire shearing action is repeated.

The principle and the flow of the machine are as follows: the stator is turned over by the manipulator so that the stator wire is directed downward and the turned stator is placed on the rotating base 31; the conveying mechanism 20 conveys the rotating base 31 to the line shearing position; a rotary pressing device 32 of the rotary pressing mechanism 30 presses down and fixes the stator; the rotating base 31 of the rotating pressing mechanism 30 rotates to transfer the next wire to the wire cutting position, and the wire cutting cylinder 11 of the wire cutting mechanism 10 cuts the wire; the wire clamping cylinder 12 of the wire cutting mechanism 10 clamps and breaks the wire, and the wire falls into the recovery mechanism 40; the rotating base 31 of the rotating and pressing mechanism 30 rotates to transfer the next wire to the cutting position; the thread cutting mechanism 10 repeats the thread cutting.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present application and the inventive concept thereof within the technical scope of the present application, and shall be covered by the scope of the present application. In addition, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A stator wire cutting machine is characterized by comprising a wire cutting mechanism for cutting off redundant wires of a stator, a conveying mechanism for conveying the stator to the wire cutting mechanism, a pressing and rotating mechanism for pressing and fixing the stator and driving the stator to rotate so as to enable the stator wires to rotate to a wire cutting position one by one, and a recovery mechanism for recovering the cut redundant wires; the thread cutting mechanism is positioned below the pressing and rotating mechanism, and the recovery mechanism is positioned below the thread cutting mechanism; the wire cutting mechanism comprises a wire cutting support, a mounting plate, a wire cutting cylinder, a wire clamping cylinder and a driving assembly, wherein the wire clamping cylinder is used for being matched with the wire cutting cylinder to pull redundant wires and enable the redundant wires to fall off, and the driving assembly is used for driving the wire cutting cylinder and the wire clamping cylinder to move longitudinally and vertically to be close to or far away from a wire cutting position; the mounting plate is horizontally arranged on the trimming support, the trimming cylinder is arranged on the lower surface of the mounting plate, and the wire clamping cylinder is arranged below the trimming cylinder; the compressing and rotating mechanism comprises a rotating base and a compressing and rotating device, the rotating base is used for bearing and driving the stator to rotate, the compressing and rotating device is used for compressing and fixing the stator, the rotating base is movably arranged on the conveying mechanism, and the rotating base is movably located below the compressing and rotating device.

2. The stator wire cutting machine according to claim 1, wherein two wire cutting cylinders are mounted below the mounting plate of the wire cutting mechanism, and the two wire cutting cylinders are symmetrically distributed beside the wire cutting position.

3. A stator wire cutting machine according to claim 2 wherein the wire cutting cylinder is inclined upwardly and towards the wire cutting position.

4. A stator wire cutting machine according to claim 3 wherein the wire clamping cylinder is mounted at the bottom of the wire cutting cylinder and is inclined upwardly towards the stator wire cutting position.

5. A stator wire cutting machine according to claim 1, wherein the wire cutting mechanism further comprises two funnels, and the bottoms of the funnels are respectively provided with a wire sensor for detecting whether the wire falls.

6. A stator wire cutting machine according to claim 1 wherein the compression rotation means is provided with a damping assembly for damping impact, the damping assembly comprising a sleeve, a spring and a guide rod, the spring being nested outside the guide rod, the guide rod and spring being movably embedded within the sleeve, the end of the spring being blocked by the end of the sleeve.

7. A stator wire cutting machine according to claim 6, wherein a rotating assembly is connected to the bottom of the damping assembly, the rotating assembly comprises a fixed block, a rotating shaft and a pressing block, the pressing block is mounted at the bottom of the rotating shaft, the rotating shaft is rotatably nested in the fixed block, and the fixed block is connected with the bottom of the damping assembly.

8. The stator wire shearing machine of claim 7 wherein said compression block is circular.

9. The stator wire cutting machine according to claim 1, wherein the rotating base comprises a bottom plate, a motor, a transmission gear and a bottom plate gear for driving the stator to rotate, the transmission gear is installed at an output end of the motor, the bottom plate gear is meshed with the transmission gear, and the bottom plate is fixedly installed on the upper surface of the bottom plate gear.

10. The stator wire cutting machine according to claim 1, wherein a conveying bracket for supporting the conveying mechanism is arranged at the lower part of the conveying mechanism, and a moving space for the wire cutting mechanism to perform a wire cutting action is reserved in the conveying bracket.