CN220605730U - Motor magnetic shoe and spring clip mounting device - Google Patents

Abstract

The utility model relates to a motor part equipment device, in particular to a motor part installation auxiliary device. The mounting device for the motor magnetic shoe and the spring clamp comprises a base, wherein a first positioning block with a circular outer edge is formed by upward bulge on the base, a guide hole is formed in the base, an opening of the guide hole is upward and penetrates through the first positioning block, a second positioning block is elastically supported in the guide hole, and a cavity for positioning and placing a magnetic shoe workpiece and a spring clamp workpiece is formed between the motor shell and the second positioning block when the motor shell is sleeved on the first positioning block; the pressure head is arranged above the second positioning block, the pressure head is provided with a plurality of accommodating grooves which are laterally opened and penetrate downwards, the groove walls of the accommodating grooves are provided with adsorption holes, and a first air passage communicated with the adsorption holes is arranged in the pressure head. The utility model has the advantages of realizing the press fitting of the non-magnetic conductive spring clamp and the magnetic shoe and having better universality.

Description

Motor magnetic shoe and spring clip mounting device

Technical Field

The utility model relates to a motor part equipment device, in particular to a motor part installation auxiliary device.

Background

The structure of the direct current motor consists of a stator and a rotor. The stationary part of the DC motor is called a stator, and the stator comprises a shell and magnetic shoes fixed on the inner wall of the shell. The existing magnetic shoe is fixed on the inner wall of the shell through glue, the magnetic shoe is easy to move in the glue fixing process due to the heteropolar attraction relation of the magnetic shoe, so that the performance of the motor is poor, the spring clamp is usually placed in a gap between the adjacent magnetic shoes, the two adjacent magnetic shoes are spread through the spring clamp, the fixing effect of the magnetic shoe is better, the using amount of the glue can be reduced, the shaping time of the magnetic shoe is shortened, the production efficiency is improved, and the equipment of the magnetic shoe and the spring clamp is very troublesome due to the magnetic force of the magnetic shoe and the elastic relation of the spring clamp.

The application number is CN201820833985. X's chinese patent discloses a motor magnetic shoe and spring clamp installation device, which comprises a base, be equipped with the positioning seat on the base, the positioning seat is upwards protruding in order to be formed with the outer fringe and is circular shape locating piece, and a plurality of first guiding holes are annular even interval setting on the locating piece, be equipped with the reference column in the first guiding hole, the reference column lower extreme is equipped with first compression spring, the positioning seat top is equipped with the pressure head, the output of pressure head lower extreme is equipped with fixed cover, fixed cover cooperation has the material seat, be equipped with second compression spring and a plurality of pushing rod in the fixed cover, the material seat upper end is located all the time fixed cover, the second compression spring is located the material seat upside, the material seat is formed with a plurality of holding tanks that run through the material seat from top to bottom, be equipped with a plurality of fixed magnets that are used for fixing spring clamp in the material seat. Although the device can ensure that the fixing effect of the magnetic shoe and the spring clamp is better and the installation efficiency is higher, the device attracts the spring clamp through the fixed magnet, so the spring clamp has to have better magnetic permeability; when the magnetic permeability of the spring clamp is poor, the spring clamp is difficult to be attracted by the fixed magnet, the installation of the spring clamp and the magnetic shoe cannot be realized, and the universality of the device is poor. And the spring clamp with good magnetic conductivity is arranged between the magnetic shoes to directly interfere the magnetic field of the magnetic shoes, so that the current, the rotating speed, the power and the like of the motor are changed.

Disclosure of Invention

The utility model aims to provide a motor magnetic shoe and spring clamp mounting device which can realize the press mounting of a non-magnetic spring clamp and a magnetic shoe and has better universality.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the mounting device for the motor magnetic shoe and the spring clamp comprises a base, wherein a first positioning block with a circular outer edge is formed by upward bulge on the base, a guide hole is formed in the base, an opening of the guide hole is upward and penetrates through the first positioning block, a second positioning block is elastically supported in the guide hole, and a cavity for abdicating the magnetic shoe workpiece and the spring clamp workpiece is formed between the motor housing workpiece and the second positioning block when the motor housing workpiece is sleeved on the first positioning block; the pressure head is arranged above the second positioning block, the pressure head is provided with a plurality of accommodating grooves which are laterally opened and penetrate downwards, the groove walls of the accommodating grooves are provided with adsorption holes, and a first air passage communicated with the adsorption holes is arranged in the pressure head.

During the use, operating personnel establishes motor casing work piece cover on first locating piece to put into motor casing work piece with the magnetic shoe work piece in, make the second locating piece fix a position the magnetic shoe work piece, later operating personnel is connected with the negative pressure machine with the first air flue of pressure head, places the spring clamp work piece in the holding tank, adsorbs the spring clamp work piece in the absorption hole, later starts the pressure head and descends, makes the spring clamp on the pressure head get into motor casing work piece in, and be located between the magnetic shoe, thereby accomplish the installation of spring clamp and magnetic shoe.

The spring clamp workpiece is sucked through negative pressure, so that the installation of the non-magnetic conductivity or poor magnetic conductivity spring clamp workpiece and the magnetic shoe can be realized, the universality is better, and the applicability is stronger.

Preferably, each accommodating groove is provided with an adsorption piece matched with the adsorption hole, the adsorption piece is provided with an adsorption part used for contacting with the surface of the spring clamp workpiece, and an opening of the adsorption part is in an open shape.

The adsorption area of the adsorption part to the spring clamp workpiece can be increased, so that the spring clamp workpiece can be better sucked.

Preferably, a first surface and a second surface are arranged on the radial groove wall of the accommodating groove, the first surface is positioned on the radial outer side of the second surface, and the adsorption holes are formed in the first surface and the second surface.

Because the spring clamps have different widths (the widths along the radial direction of the motor shell workpiece), the first surface is positioned at the radial outer side of the second surface, and the adsorption holes are formed in the first surface and the second surface, so that the adsorption piece can adapt to the spring clamp workpieces with different widths. Wherein radial refers to the radial direction of a motor housing workpiece

Preferably, one of the adsorption holes of the first surface and the adsorption holes of the second surface is fitted with a plug.

When the adsorption hole of the first surface is connected with the adsorption piece, the adsorption hole of the second surface is blocked by the plug to prevent air leakage; when the adsorption hole of the second surface is connected with the adsorption piece, the adsorption hole of the first surface is blocked by the plug, so that air leakage is prevented.

Preferably, the pressure head comprises a third positioning block with a circular outer edge, the third positioning block is provided with two positioning block monomers which extend downwards and are arranged at intervals, a movable block which is vertically matched in a sliding way is arranged on the circumferential inner side of the third positioning block, the accommodating groove is formed between two adjacent positioning block monomers and the movable block, the adsorption hole is formed in the side wall of the movable block, and the movable block is provided with the first air passage; the press is arranged above the press head, the press head is connected with the output end of the press through a press rod, the press rod penetrates through the upper end of the third positioning block and is fixedly connected with the movable block, a first elastic piece is sleeved on the outer side of the press rod, and the lower end of the first elastic piece is supported on the third positioning block.

When the press drives the compression bar to press downwards, the pressing head (the third positioning block and the movable block) enters the inner hole of the motor shell workpiece, the outer wall of the third positioning block is in contact with the inner hole wall of the motor shell workpiece, so that the positioning between the third positioning block and the motor shell workpiece is realized, the upper end face of the later third positioning block, which is propped against the magnetic shoe workpiece, is not lowered, the compression bar continues to push the movable block to move downwards, the spring clamp workpiece is enabled to move downwards continuously, the movable block is propped against the second positioning block, the second positioning block is enabled to descend, the spring clamp workpiece is finally realized to be completely pressed between the magnetic shoe workpieces, the press enables the compression bar to ascend, and the third positioning block downwards props against the upper end face of the movable block under the action of the first elastic piece, so that the initial state is restored.

Preferably, a second air passage communicated with the first air passage is arranged in the pressure rod, an output head is arranged at the output end of the press, the output head is connected with the upper end of the pressure rod, an air ventilation cavity communicated with the second air passage is arranged in the output head, and the air ventilation cavity is connected with an air pipe of the negative press.

Because the movable block needs to stretch into the motor shell workpiece, if the movable block is connected with the air pipe of the negative pressure machine, when the movable block enters the motor shell workpiece, the air pipe of the negative pressure machine can generate certain interference on the movable block and the third positioning block. It is more preferable that the negative pressure machine is connected to the output head so as not to interfere with the pressing head when the pressing head is pressed down.

Preferably, a telescopic spring protection cover is arranged on the outer side of the first elastic piece, the upper end of the spring protection cover is connected with the lower end of the output head, and the lower end of the spring protection cover is connected with the upper end of the third positioning block.

The first elastic piece can be protected from being damaged by external articles through the arrangement of the spring protection cover, the service life of the first elastic piece is prolonged, and the device is more attractive. The spring protection cover can be any protection cover capable of protecting the spring.

Preferably, the guide hole is internally provided with a plurality of vertically arranged limit posts, the upper ends of the limit posts are provided with radially extending limit protrusions, the second positioning block is provided with a plurality of limit holes penetrating through from top to bottom, each limit hole sequentially comprises a wide section and a narrow section from top to bottom, the limit posts downwards penetrate through the limit holes and are in threaded fit with the base, the limit protrusions of the limit posts are located in the wide section, the limit posts are located in the narrow section, the second elastic pieces are sleeved on the outer sides of the limit posts between the second positioning block and the base, and the second elastic pieces apply upward thrust to the second positioning block.

In order to ensure that the second positioning block can position the magnetic shoe workpiece, the height position of the second positioning block needs to be adjusted, and when the limiting column is screwed down, the limiting protrusion downwards abuts against the top of the narrow section through the threaded fit of the limiting column and the base, so that the height of the whole second positioning block is reduced; when the limiting column is screwed upwards, the whole second positioning block can be pushed upwards under the action of the second elastic piece. The height position of the top of the second positioning block is lower than that of the top of the uppermost magnetic shoe in the motor shell workpiece, so that the second positioning block can position the uppermost magnetic shoe.

Preferably, the base is arranged on the bottom plate, the bottom plate is provided with a sliding rail, the base is slidably matched on the sliding rail, and when the base is positioned at one side end part of the sliding rail, the base is positioned under the pressure head.

The utility model has the following advantages: the spring clamp is adsorbed by negative pressure, so that the installation between the spring clamp with non-magnetic conductivity and poor magnetic conductivity and the magnetic shoe is realized, and the universality is better.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

FIG. 3 is a schematic view of the structure of the press head of the present utility model.

FIG. 4 is a schematic view of the structure of the present utility model after the spring protection cover is removed and the present utility model is press-fitted.

Fig. 5 is a schematic view of the structure of fig. 4 with the motor housing workpiece removed.

FIG. 6 is a schematic view of the structure of FIG. 5 with two magnetic shoe workpieces removed.

Fig. 7 is a cross-sectional view of the present utility model at the time of press fitting.

Reference numerals: the base plate 1, the slide rail 11, the base 2, the second positioning block 21, the limiting hole 22, the limiting post 23, the second elastic member 231, the limiting protrusion 232, the guide hole 24, the first positioning block 25, the pressing head 3, the accommodating groove 31, the adsorbing hole 311, the second surface 312, the first surface 313, the third positioning block 32, the positioning block unit 321, the movable block 33, the first air passage 331, the spring protection cover 4, the output head 5, the air tap 51, the air extracting chamber 52, the adsorbing member 6, the adsorbing portion 61, the pressing rod 7, the second air passage 71, the first elastic member 72, the pressing machine 8, the top plate 81, the supporting post 82, the guide plate 83, the motor housing work piece 100, the spring clip work piece 200, and the magnetic shoe work piece 300.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

As shown in fig. 1, the embodiment discloses a mounting device for a motor magnetic shoe and a spring clip, which comprises a bottom plate 1, wherein a sliding rail 11 is arranged on the bottom plate 1, and a base 2 is arranged in the sliding rail 11 in a sliding manner; four vertically arranged support columns 82 are arranged on the bottom plate 1, the four support columns 82 jointly support a top plate 81, a press 8 is arranged on the top plate 81, and the output end of the press 8 penetrates through a guide plate 83.

As shown in fig. 1, 2, 3 and 6, an output end of the press 8 is provided with an output head 5, a pressing rod 7 vertically arranged is fixedly connected to the lower end of the output head 5, a pressing head 3 is arranged at the lower end of the pressing rod 7, and the pressing head 3 comprises a third positioning block 32 and a movable block 33. The outer edge of the third positioning block 32 is circular and can be matched with the inner hole of the motor shell workpiece 100 so as to realize the positioning between the pressure head 3 and the motor shell workpiece 100; the third positioning block 32 is provided with two positioning block monomers 321 which extend downwards and are arranged at intervals, the circumferential inner side of the third positioning block 32 is provided with a vertically sliding movable block 33, the lower end of the pressure rod 7 passes through the third positioning block 32 to be fixedly connected with the upper end of the movable block 33, the outer side of the pressure rod 7 is sleeved with a first elastic piece 72, the first elastic piece 72 is positioned between the third positioning block 32 and the output head 5, the lower end of the first elastic piece 72 is supported on the third positioning block 32, and the first elastic piece 72 applies downward thrust to the third positioning block 32.

As shown in fig. 1 and 7, a spring protection cover 4 is provided on the outer side of the first elastic member 72, the upper end of the spring protection cover 4 is connected with the lower end of the output head 5, the lower end of the spring protection cover 5 is connected with the upper end of the third positioning block 32, and the spring protection cover 4 is provided in three layers and can be compressed and stretched.

The accommodating groove 31 is formed between two adjacent positioning block monomers 321 and the movable block 33; the accommodating groove 31 is laterally opened and penetrates downwards, the accommodating groove 31 is used for accommodating the spring clamp workpiece 200, a first surface 313 and a second surface 312 are arranged on two side walls of the movable block 33 (on radial groove walls of the accommodating groove 31), the first surface 313 is located on the radial outer side of the second surface 312, and the first surface 313 and the second surface 312 are respectively provided with an adsorption hole 311.

As shown in fig. 2 and 7, the adsorption holes 311 of the first surface and the second surface extend transversely in the movable block 33, a first air passage 331 is provided in the movable block 33, the first air passage 331 is communicated with the adsorption holes 311 of the first surface and the second surface, a second air passage 71 extending vertically is provided in the compression rod 7, the second air passage 71 penetrates through the compression rod 7 and is communicated with the first air passage 331, an air extraction chamber 52 is provided in the output head 5, the air extraction chamber 52 is communicated with the second air passage 71, an air tap 51 is provided at the outer side of the output head 5, and the air tap 51 is communicated with the air extraction chamber 52. The suction holes 311 of the first and second surfaces are fitted with suction members 6 and plugs (not shown), suction members 6 are provided with suction portions 61 for contacting the surface of the spring clip 200, and openings of the suction portions 61 are open.

As shown in fig. 2, 4, 5 and 6, a first positioning block 25 with a circular outer edge is formed on the base 2, a step is formed at the joint of the base 2 and the first positioning block 25, the base 2 is provided with a guide hole 24, the guide hole 24 is opened upwards and penetrates through the first positioning block 25, a second positioning block 21 is elastically supported in the guide hole 24, and when the motor housing workpiece 100 is sleeved on the first positioning block 25, a chamber for positioning and placing the magnetic shoe workpiece 300 and the spring clamp workpiece 200 is formed between the motor housing workpiece 100 and the second positioning block 21.

As shown in fig. 1 and 7, two vertically arranged limiting posts 23 are arranged in the guide hole 24, two limiting holes 22 penetrating up and down are arranged in the second positioning block 21, each limiting hole 22 sequentially comprises a wide section and a narrow section from top to bottom, the limiting posts 23 penetrate through the limiting holes 22 downwards to be in threaded fit with the base 2, radially extending limiting protrusions 232 are arranged at the upper ends of the limiting posts 23, the limiting protrusions 232 are in sliding fit in the wide sections of the limiting holes 22, the limiting posts 23 are in sliding fit in the narrow sections, a second elastic piece 231 is sleeved on the outer side of the limiting posts 23 between the second positioning block 21 and the base 2, and the second elastic piece 231 applies upward thrust to the second positioning block 21.

During use, an operator firstly coats glue on the hole wall of the inner hole of the motor casing workpiece 100, then the motor casing workpiece 100 is sleeved on the first positioning block 25, then the operator places four magnetic shoes 300 in the motor casing workpiece 100, every two magnetic shoes 300 are stacked in the axial direction, the second positioning block 21 positions the four magnetic shoes 300, and then the operator pushes the base 2 up to one end of the sliding rail 11 from the sliding rail 11 so that the base 2 is located under the pressure head 3. The operator inserts the suction member 6 into the suction hole 311 and plugs the other suction hole which is not used, then connects the air pipe of the negative pressure machine with the air tap 51 of the output head 5, and starts the negative pressure machine, and simultaneously, the operator places the two spring clamp workpieces 200 in the accommodating groove 31 respectively, so that the spring clamp workpieces 200 are sucked, and finally, the operator starts the press 8, so that the pressure head 3 descends. The third positioning block 32 and the movable block 33 of the pressing head 3 simultaneously descend and go deep into the motor casing workpiece 100, the third positioning block 32 is propped against the two uppermost magnetic shoes 300 and does not move downwards any more, the movable block 33 continuously descends, the movable block 33 is propped against the second positioning block 21, the second positioning block 21 descends, the spring clamp workpieces 200 on two sides of the movable block 33 enter a gap between the magnetic shoes 300 at the same time, then an operator closes a negative pressure machine, the pressing machine drives the movable block 33 to ascend, and the movable block 33 can drive the third positioning block 32 to ascend when ascending, so that the whole pressing head 3 exits the motor casing workpiece 100, and the installation of the motor magnetic shoes and the spring clamps is completed.

Claims (9)

1. The utility model provides a motor magnetic shoe and spring clamp installation device, includes the base, be equipped with on the base and upwards protruding in order to form and have the outer fringe to be circular shape's first locating piece, the base is equipped with the guiding hole, the guiding hole opening upwards and run through in first locating piece, its characterized in that: a second positioning block is elastically supported in the guide hole, and a chamber for giving way to the magnetic shoe workpiece and the spring clamp workpiece is formed between the motor shell workpiece and the second positioning block when the motor shell workpiece is sleeved on the first positioning block; the pressure head is arranged above the second positioning block, the pressure head is provided with a plurality of accommodating grooves which are laterally opened and penetrate downwards, the groove walls of the accommodating grooves are provided with adsorption holes, and a first air passage communicated with the adsorption holes is arranged in the pressure head.

2. The motor shoe and spring clip mounting apparatus of claim 1, wherein: each containing groove is provided with an adsorption piece matched with the adsorption hole, the adsorption piece is provided with an adsorption part used for contacting with the surface of the spring clamp workpiece, and an opening of the adsorption part is in an open shape.

3. The motor shoe and spring clip mounting apparatus of claim 1, wherein: the radial cell wall of holding tank is last to be equipped with first face and second face, first face is located the radial outside of second face, all be equipped with on first face and the second face the absorption hole.

4. A motor shoe and spring clip mounting apparatus as claimed in claim 3 wherein: one of the adsorption holes of the first surface and the adsorption holes of the second surface is matched with a plug.

5. The motor shoe and spring clip mounting apparatus of claim 1 wherein: the pressure head comprises a third positioning block with a circular outer edge, the third positioning block is provided with two positioning block monomers which extend downwards and are arranged at intervals, a movable block which is vertically matched in a sliding mode is arranged on the inner side of the circumference direction of the third positioning block, a containing groove is formed between two adjacent positioning block monomers and the movable block, the adsorption hole is formed in the side wall of the movable block, and the movable block is provided with the first air passage; the press is arranged above the press head, the press head is connected with the output end of the press through a press rod, the press rod passes through the upper end of the third positioning block and is fixedly connected with the movable block, a first elastic piece is sleeved outside the press rod, and the lower end of the first elastic piece is supported on the third positioning block.

6. The motor shoe and spring clip mounting apparatus of claim 5, wherein: the pressure bar is internally provided with a second air passage communicated with the first air passage, the output end of the press is provided with an output head, the output head is connected with the upper end of the pressure bar, the output head is internally provided with a ventilation chamber communicated with the second air passage, and the ventilation chamber is connected with an air pipe of the negative pressure machine.

7. The motor shoe and spring clip mounting apparatus of claim 5, wherein: the outside of first elastic component is equipped with telescopic spring protection cover, spring protection cover upper end is connected with the lower extreme of output head, the lower extreme of spring protection cover is connected with the upper end of third locating block.

8. The motor shoe and spring clip mounting apparatus of claim 1, wherein: the guide hole is internally provided with a plurality of vertically arranged limit posts, the upper ends of the limit posts are provided with radially extending limit protrusions, the second positioning blocks are provided with a plurality of limit holes penetrating through from top to bottom, each limit hole sequentially comprises a wide section and a narrow section from top to bottom, the limit posts downwards penetrate through the limit holes and are in threaded fit with the base, the limit protrusions of the limit posts are located in the wide section, the limit posts are located in the narrow section, the second elastic pieces are sleeved on the outer sides of the limit posts between the second positioning blocks and the base, and the second elastic pieces apply upward thrust to the second positioning blocks.

9. The motor shoe and spring clip mounting apparatus of claim 1, wherein: the base is arranged on the bottom plate, the bottom plate is provided with a sliding rail, the base is slidably matched on the sliding rail, and when the base is positioned at one side end part of the sliding rail, the base is positioned under the pressure head.