CN106787489B

CN106787489B - Motor stator core rolling hole expander

Info

Publication number: CN106787489B
Application number: CN201611182259.8A
Authority: CN
Inventors: 尹兴满; 徐正辉; 李敏
Original assignee: Zhejiang Xinge Refrigeration Equipment Technology Co ltd
Current assignee: Zhejiang Xinge Refrigeration Equipment Technology Co ltd
Priority date: 2016-12-20
Filing date: 2016-12-20
Publication date: 2023-06-16
Anticipated expiration: 2036-12-20
Also published as: CN106787489A

Abstract

The technical scheme of the invention is that the motor stator core rolling hole expander comprises a base, an upright post, a workbench, a rolling hole part and an expanding part, wherein the lower end of the upright post is connected to the base, the upper end of the upright post is connected with the rolling hole part, the workbench is connected to the base through a connecting rod, a slideway and a stator placing table are arranged on the workbench, the stator placing table can slide on the slideway, a workbench area on the inner side of the slideway is a hollow area penetrating through the upper surface and the lower surface, a rodless cylinder and a guide rail are connected below the stator placing table, the direction of the guide rail is consistent with the direction of the slideway, a sliding platform is arranged on the connecting rod, the lower part of the sliding platform is connected with a lifting cylinder, and the expanding part is arranged on the sliding platform. The whole process of the invention is automatically processed, is convenient and quick, realizes seamless connection between two working procedures, does not need repositioning, has high production efficiency, greatly reduces the labor intensity of workers, and saves the labor cost.

Description

Motor stator core rolling hole expander

Technical Field

The invention relates to stator processing equipment, in particular to a motor stator core rolling hole expander.

Background

The special rolling process is needed to be carried out on the inner circle of the stator core by using a special rolling tool in the manufacturing process of the motor stator of the refrigerator, and the purpose is to remove burrs, and the reason is that the burrs at the air gap part of the motor are reduced, so that the higher harmonic loss of the motor can be reduced, the correction and repair of the cylindricity of the inner hole to a certain extent are realized, and the assembly yield of the motor is increased. In the prior art, the production is realized by manually breaking off the main shaft of the bench drill by using the vertical drilling machine to install the rolling head, as shown in fig. 1, the working force of the bench drill needs tens of kilograms, the working strength is high, and the manually-operated hole rolling post with stronger physical constitution is generally needed. Comprises manual feeding, manual rolling and manual discharging.

In addition, the slot cover paper needs to be outwards expanded in the manufacturing process of the motor stator of the refrigerator, so that the winding safety distance of the near slot part of the motor is realized. The manual work that this past production was realized in the process is with stator anti-cover entering notch paper plastic instrument, holds up the stator again with both hands always, and the switch expands is stepped on to the foot again, takes off the stator again after the completion is manual, and as shown in fig. 2, the motor stator of high groove full rate is very difficult to anti-cover entering plastic instrument, and the outside edges and corners of stator are clear, and the workman is for this work is often worn out the palm, complains for this workman in artifical material loading, manual operation and artifical unloading in-process.

Disclosure of Invention

Aiming at the problems, the invention aims to provide the motor stator core rolling hole expander which can automatically perform rolling hole operation on a stator core, simultaneously outwardly expand slot cover paper, automatically process the whole process, is convenient and quick, realizes seamless connection between two working procedures, does not need repositioning, and has high production efficiency.

The technical scheme of the invention is that the motor stator core rolling hole expander comprises a base, an upright post, a workbench, a rolling hole part and an expanding part, wherein the lower end of the upright post is connected to the base, the upper end of the upright post is connected with the rolling hole part, the workbench is connected to the base through a connecting rod, a slideway and a stator placing table are arranged on the workbench, the stator placing table can slide on the slideway, a workbench area on the inner side of the slideway is a hollow area penetrating through the upper surface and the lower surface, a rodless cylinder and a guide rail are connected below the stator placing table, the direction of the guide rail is consistent with the direction of the slideway, a sliding platform is arranged on the connecting rod, the lower part of the sliding platform is connected with a lifting cylinder, and the expanding part is arranged on the sliding platform.

Preferably, the expansion part comprises a hydraulic cylinder, a screw rod, a conical block, a sleeve, a connecting block and a T-shaped expansion piece, wherein the hydraulic cylinder is connected below the sliding platform, the front end of a piston rod of the hydraulic cylinder is in threaded connection with the screw rod, the screw rod passes through the sliding platform and then is in threaded connection with the conical block, the sleeve is connected on the sliding platform through the connecting block, rectangular holes are uniformly distributed in the circumferential direction of the sleeve, the length direction of each rectangular hole is along the length direction of the sleeve, the T-shaped expansion piece is correspondingly arranged in each rectangular hole, one end of the T-shaped expansion piece is a large end, the other end of the T-shaped expansion piece is a small end, the inclined angle of an inclined edge of the T-shaped expansion piece corresponds to the inclined angle of the conical block, the T-shaped expansion piece can move in the radial direction of the sleeve in the rectangular hole, and two sides of the front end of the T-shaped expansion piece outwards protrude to be in a T shape.

Preferably, a rotary positioning plate is arranged between the connecting rod and the base, the connecting rod is connected to the rotary positioning plate, the lifting cylinder is fixed to the rotary positioning plate, arc-shaped holes along the same circumferential direction are formed in the rotary positioning plate, threaded holes corresponding to the arc-shaped holes are formed in the base, and the rotary positioning plate is locked on the base through screws penetrating through the arc-shaped holes.

Preferably, the rolling hole part comprises a lifting device, a rotating device and a rolling head, wherein the lifting device drives the rolling head to do up-and-down lifting motion, the rotating device drives the rolling head to do rotary motion, and a roller is arranged on the outer side surface of the front end head of the rolling head.

Preferably, an operation panel is further provided on the roll hole portion.

The invention realizes automatic hole rolling operation on the stator iron core, simultaneously outwards expands the slot cover paper, automatically processes the whole process, is convenient and quick, realizes seamless connection between two working procedures, does not need repositioning when being installed, eliminates positioning errors, improves the production efficiency, greatly reduces the labor intensity of workers, and simultaneously saves the labor cost.

Drawings

FIG. 1 is a schematic diagram of a working part of a conventional hole rolling device;

FIG. 2 is a schematic view of a working portion of a conventional stent;

FIG. 3 is a schematic diagram of the structure of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of the structure of FIG. 3 from the bottom view;

FIG. 6 is a schematic view of the structure of the expansion portion after being reset in the present invention;

FIG. 7 is a schematic view of the structure of the expansion part of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a front view of the cylinder block portion of FIG. 7 with the lift cylinder, slide platform and hydraulic cylinder removed;

FIG. 10 is a cross-sectional view taken along the line A-A in FIG. 9;

FIG. 11 is a schematic view of the structure of the screw and tapered block of the present invention;

FIG. 12 is a schematic view of a sleeve according to the present invention;

FIG. 13 is a front view of a T-shaped expansion piece according to the present invention;

FIG. 14 is a top view of a T-shaped expansion piece according to the present invention;

wherein: 1-a base; 2-stand columns; 3-a workbench; 4-a rolling hole part; 41-rolling the head; 5-an expansion part; 51-a hydraulic cylinder; 52-a screw; 53-conical blocks; 54-sleeve; 55-connecting blocks; 56-T-shaped expansion piece; 6, connecting rods; 7, a slideway; 8-a stator placement table; 9-a rodless cylinder; 10, a guide rail; 11-a sliding platform; 12-lifting air cylinder; 13-rotating the positioning plate; 14-arc holes; 15-an operation panel.

Description of the embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 3 to 14, the invention provides a motor stator core rolling hole expander, which comprises a base 1, an upright post 2, a workbench 3, a rolling hole part 4 and an expanding part 5, wherein the lower end of the upright post 2 is connected to the base 1, the upper end of the upright post is connected to the rolling hole part 4, the workbench 3 is connected to the base 1 through a connecting rod 6, a slideway 7 and a stator placing table 8 are arranged on the workbench 3, the stator placing table 8 can slide on the slideway 7, the region of the workbench 3 inside the slideway 7 is a hollow region penetrating through the upper surface and the lower surface, a rodless cylinder 9 and a guide rail 10 are connected below the stator placing table 8, the rodless cylinder 9 can slide on the guide rail 10, the rodless cylinder 10 is connected with the stator placing table 8, the direction of the guide rail 10 is consistent with the direction of the slideway 7, a sliding platform 11 is arranged on the connecting rod 6, the lower part of the sliding platform 11 is connected with a lifting cylinder 12, and the expanding part 5 is arranged on the sliding platform 11.

Preferably, the expansion part 5 comprises a hydraulic cylinder 51, a screw rod 52, conical blocks 53, a sleeve 54, a connecting block 55 and T-shaped expansion pieces 56, wherein the hydraulic cylinder 51 is connected below the sliding platform 11, the front end of a piston rod of the hydraulic cylinder 51 is in threaded connection with the screw rod 52, the screw rod 52 penetrates through the sliding platform 11 and then is in threaded connection with the conical blocks 53 at the top, the sleeve 54 is connected to the sliding platform 11 through the connecting block 55, rectangular holes are uniformly distributed on the sleeve 54 along the circumferential direction, the length direction of the rectangular holes is along the length direction of the sleeve 54, each rectangular hole is internally provided with the T-shaped expansion pieces 56 correspondingly, one end of each T-shaped expansion piece 56 is a large end, the other end of each T-shaped expansion piece 56 is a small end, the inclined angle of an inclined edge of each T-shaped expansion piece 56 corresponds to the inclined angle of the conical blocks 53, the T-shaped expansion pieces 56 can move in the radial direction of the sleeve 54 in the rectangular holes, and the two sides of the front end of each T-shaped expansion piece 56 outwards bulges to form a T shape. The conical blocks 53 are arranged in a big-end-up manner, and the T-shaped expansion pieces 56 are arranged in a big-end-up manner and are matched with each other.

Preferably, a rotary positioning plate 13 is arranged between the connecting rod 6 and the base 1, the connecting rod 6 is connected to the rotary positioning plate 13, the lifting cylinder 12 is fixed on the rotary positioning plate 13, the rotary positioning plate 13 is provided with arc holes 14 along the same circumferential direction, the base 1 is provided with threaded holes corresponding to the arc holes 14, and the rotary positioning plate 13 is locked on the base 1 through screws passing through the arc holes 14. When the device is used, the angle between the rotary positioning plate 13 and the base 1 can be adjusted according to the field requirement, and finally, the direction of the length direction of the slideway 7 on the placement position is realized, so that the layout of the whole workshop and the operation of workers are facilitated.

Preferably, the hole rolling portion 4 includes a lifting device, a rotating device and a roller head 41, the lifting device drives the roller head 41 to move up and down, the rotating device drives the roller head 41 to rotate, and a roller is mounted on the outer side surface of the front end of the roller head 41. The principle of the lifting device and the rotating device can refer to the existing vertical drilling machine structure, the input cost of the whole equipment is low, the device is simple and quick, the roller 43 at the front end of the polishing head can rotate in the polishing process, and the polishing process of the inner wall of the stator core is facilitated.

Preferably, the hole rolling portion 4 is further provided with an operation panel 15. The operation panel 15 is provided at the roll hole portion 4, facilitates the operation of a worker, and makes the structure of the entire apparatus more compact.

When the stator core is used, the stator core after winding is placed into the stator placing table 8 for positioning, equipment is started through the control panel 15, the rodless cylinder 9 drives the stator placing table 8 to enter the lower part of the rolling head along the slideway 7, the rolling hole part 4 starts to work and drives the rolling head to rotate at a high speed and move downwards simultaneously, the rolling head carries out rolling operation at the inner hole of the stator core, the rolling head is upwards withdrawn for resetting and stops rotating after rolling, then the expansion part 5 starts to work, the lifting cylinder 12 pushes the sliding platform 11 to upwards move until the sleeve 54 penetrates through the hollow area of the workbench 3 to enter the stator core, in the process, the T-shaped expansion piece 56 enters the stator core notch through the guide mechanism, the protruding parts at the two sides of the front end of the sleeve are positioned at the inner side of the stator core notch, the other parts of the T-shaped expansion piece 56 are positioned at the outer side of the stator core notch, and move to the top along the axial direction of the stator core, then the piston rod of the hydraulic cylinder 51 contracts, the screw 52 is driven to move downwards, namely the conical block 53 is driven to move downwards, the T-shaped expansion piece 56 is extruded through the rectangular hole under the action of the conical block 53 and acts on the stator core notch, the sleeve 54 exits from the notch, the notch is withdrawn from the hollow area of the stator core, the sleeve is expanded, the stator core is coated by the sleeve cylinder is expanded, and the stator core is placed into the stator core, and the stator core is expanded, the stator core is coated by the stator core, and the stator core is subjected to the stator, and the stator core is rolled, and the stator, after the stator is rolled, and has the stator, and has 3 is rolled. The whole process is automatically processed, the production efficiency is high, and the method is suitable for industrial mass production.

The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present invention still falls within the scope of the technical solutions of the present invention.

Claims

1. A motor stator core roll hole expander, its characterized in that: the novel lifting device comprises a base (1), a stand column (2), a workbench (3), a rolling hole part (4) and an expanding part (5), wherein the lower end of the stand column (2) is connected to the base (1), the upper end of the stand column is connected with the rolling hole part (4), the workbench (3) is connected to the base (1) through a connecting rod (6), a slide way (7) and a stator placing table (8) are arranged on the workbench (3), the stator placing table (8) can slide on the slide way (7), the area of the workbench (3) on the inner side of the slide way (7) is a hollow area penetrating through the upper surface and the lower surface, a rodless cylinder (9) and a guide rail (10) are connected below the stator placing table (8), the direction of the guide rail (10) is consistent with the direction of the slide way (7), a sliding platform (11) is arranged on the connecting rod (6), the lower part of the sliding platform (11) is connected with a lifting cylinder (12), and the expanding part (5) is arranged on the sliding platform (11). The expansion part (5) comprises a hydraulic cylinder (51), a screw rod (52), conical blocks (53), sleeves (54), connecting blocks (55) and T-shaped expansion pieces (56), wherein the hydraulic cylinder (51) is connected below the sliding platform (11), the front end of a piston rod of the hydraulic cylinder (51) is in threaded connection with the screw rod (52), the screw rod (52) penetrates through the sliding platform (11) and then is in threaded connection with the conical blocks (53), the sleeves (54) are connected to the sliding platform (11) through the connecting blocks (55), rectangular holes are uniformly distributed in the circumferential direction on the sleeves (54), the length direction of each rectangular hole is in the length direction of the sleeve (54), each rectangular hole is internally provided with a T-shaped expansion piece (56) correspondingly, one end of each T-shaped expansion piece (56) is a large end, the other end of each T-shaped expansion piece is a small end, the inclined angle of each inclined edge of each T-shaped expansion piece corresponds to the inclined angle of each conical block (53), and the T-shaped expansion piece (56) can move in the radial direction of the sleeve (54) in the T-shaped expansion piece, and the front ends of the T-shaped expansion pieces (56) outwards bulge to form T shapes in the rectangular holes; the rolling hole part (4) comprises a lifting device, a rotating device and a rolling head (41), wherein the lifting device drives the rolling head (41) to move up and down, the rotating device drives the rolling head (41) to rotate, and a roller is arranged on the outer side surface of the front end head of the rolling head (41).

2. The motor stator core roll hole expander of claim 1, wherein: be provided with rotation locating plate (13) between connecting rod (6) and base (1), connecting rod (6) are connected on rotation locating plate (13), and lift cylinder (12) are fixed on rotation locating plate (13), are provided with arc hole (14) along same circumferencial direction on rotation locating plate (13), are provided with the screw hole corresponding with arc hole (14) on base (1), and rotation locating plate (13) pass arc hole (14) through the screw and lock on base (1).

3. The motor stator core roll hole expander of claim 1, wherein: an operation panel (15) is further arranged on the roll hole part (4).