CN215747644U

CN215747644U - Tool is gone into to convenient operation's micromotor shaft pressure-bearing

Info

Publication number: CN215747644U
Application number: CN202121527506.XU
Authority: CN
Inventors: 吉波; 曾晔; 陈斌; 李春来
Original assignee: Heping Changsheng Motor Co ltd
Current assignee: Heping Changsheng Motor Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-02-08
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a micro motor shaft press-in jig convenient to operate, which comprises a base, a hand wheel lifting mechanism, a pneumatic press-in mechanism and a shell fixing assembly, wherein the shell fixing assembly is arranged in the middle of the base, the hand wheel lifting mechanism is arranged at the side end of the base, the pneumatic press-in mechanism is connected with the hand wheel lifting mechanism, the pneumatic press-in mechanism is positioned right above the shell fixing assembly, and the shell fixing assembly comprises a sliding seat, a locking bolt, a fixed seat, a movable seat, a plurality of first guide rods and a first spring. The shell fixing assembly can accurately position the shell and the bearing of the micro motor, the pneumatic pressing mechanism can drive the shell to press downwards so as to press the bearing into the bearing hole preset in the shell, the problem of assembly precision reduction of the micro motor caused by inaccurate positioning of the bearing is solved by adopting a mode of assembling the shell with the bearing by pressing downwards, the assembly quality and the service life of the micro motor are effectively improved, the operation is convenient, and the production efficiency of enterprises is effectively improved.

Description

Tool is gone into to convenient operation's micromotor shaft pressure-bearing

Technical Field

The utility model relates to the field of bearing press-in jigs, in particular to a micro motor shaft press-in jig convenient to operate.

Background

A micro-motor has characteristics of high efficiency and difficult damage, and is widely used in various industries and daily life, and generally, the micro-motor is composed of a stator disposed in a mechanical housing, a rotor movably disposed in the stator, and a shaft core inserted in the rotor, and in the life process of the micro-motor, each component needs to be assembled.

In the process of assembling the rotor and the shell, a bearing is required to be pressed between the rotor and the shell so as to reduce the friction force applied to the rotor in the operation process, the bearing is usually directly pressed into a bearing hole of the shell through a pressure head in the prior art, and the bearing is easy to deviate and has low precision in the pressing process of the pressure head due to the small volume of the micro motor bearing, so that the production quality of the micro motor is influenced, the service life is reduced, the operation is inconvenient, and the production efficiency of enterprises is low; meanwhile, the pressure head is pressed down, if the pressing stroke is too large, the surface of the shell is easily scratched, and the yield is reduced.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the micro motor shaft press-in jig is simple in structure, accurate in positioning, high in assembly precision, high in production efficiency and convenient to operate.

The technical scheme of the utility model is as follows: a micro motor shaft press-in jig convenient to operate comprises a base, a hand wheel lifting mechanism, a pneumatic press-in mechanism and a shell fixing assembly, wherein the shell fixing assembly is arranged in the middle of the base;

the shell fixing assembly comprises a sliding seat, a locking bolt, a fixed seat, a movable seat, a plurality of first guide rods and first springs, wherein the sliding seat is provided with a sliding groove, the bottom of the sliding seat is provided with a sliding block matched with the sliding groove, the sliding seat is connected with the base through the locking bolt, the middle part of the sliding seat is provided with the fixed seat, the movable seat is arranged above the fixed seat and is connected with the fixed seat through the first guide rods, each first guide rod is sleeved with the first spring, the movable seat is provided with a positioning column convenient for placing a micro-motor shell, and the middle part of the positioning column is provided with a vertically arranged bearing positioning rod;

pneumatic mechanism of impressing includes mount pad, cylinder, pressure head, two second guide arms and two second springs, the mount pad side is connected with hand wheel elevating system, the cylinder is located on the mount pad, the expansion end and the pressure head of cylinder are connected, two the slide left and right sides is located respectively to the bottom of second guide arm, the top of second guide arm is by supreme pressure head and the mount pad of wearing to locate in proper order down, the second spring is located on the second guide arm of pressure head below.

By adopting the technical scheme, the micromotor shaft with convenient operation is pressed into the jig, the positioning column is of a hollow cylindrical structure, the side wall of the positioning column is provided with a cutting groove convenient for positioning the micromotor shell, the bottom of the cutting groove is provided with a top block, and the middle part of the positioning column is provided with a vertically arranged bearing positioning rod.

By adopting the technical scheme, the micromotor shaft is pressed into the jig conveniently and conveniently, the hand wheel lifting mechanism comprises a transmission screw rod, a screw rod sleeve and a rotating hand wheel, the mounting seat and the base are connected through the screw rod sleeve, an internal thread structure is arranged in the screw rod sleeve, an external thread structure is arranged on the transmission screw rod, the transmission screw rod is connected with the screw rod sleeve through threads, and the rotating hand wheel is arranged at the top of the transmission screw rod.

By adopting the technical scheme, the micromotor shaft which is convenient to operate is pressed into the jig, and the base is provided with a plurality of through holes which are convenient to position and install.

By adopting the technical scheme, the micromotor shaft is pressed into the jig conveniently to operate, the limiting screw rod is arranged between the sliding seat and the pressure head, the sliding seat is provided with the threaded hole, the bottom of the limiting screw rod is arranged in the threaded hole, and the top of the limiting screw rod is provided with the nut convenient for rotating and adjusting the height.

The utility model has the beneficial effects that: when the micro-motor assembling device is used, only a micro-motor shell is placed on the positioning column and the bearing is placed on the bearing positioning rod, the shell fixing assembly can accurately position the shell and the bearing of the micro-motor, the pneumatic pressing mechanism can drive the shell to be pressed downwards so as to press the bearing into a bearing hole preset in the shell, and the problem of low assembling precision of the micro-motor due to inaccurate positioning of the bearing is solved by adopting a mode that the shell is pressed downwards and the bearing is assembled, so that the production quality and the service life of the micro-motor are effectively improved, the operation is convenient, and the production efficiency of an enterprise is effectively improved; due to the arrangement of the limiting screw, the situation that the surface of the shell is scratched by the pressure head due to overlarge descending stroke of the pressure head is avoided, and the yield of products is improved; when the micromotors of different models need to be assembled, only the movable seat needs to be replaced, and the use is convenient; the whole structure is simple, the use is convenient, the assembly precision is high, the production efficiency is high, and the device can be popularized and used.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of a rear template structure according to the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

As shown in fig. 1 and 2, a tool is gone into to convenient operation's micromotor shaft pressure, includes base 1, hand wheel elevating system 2, pneumatic mechanism 3 and the fixed subassembly 4 of casing, the fixed subassembly 4 of casing is located in the middle part of base 1, hand wheel elevating system 2 locates the 1 side of base, pneumatic mechanism 3 and hand wheel elevating system 2 are connected, just pneumatic mechanism 3 of impressing is located directly over the fixed subassembly 4 of casing. In this embodiment, the housing fixing assembly 4 can accurately position the housing and the bearing of the micro-motor, and the pneumatic pressing mechanism 3 can press the driving housing downward to press the bearing into the bearing hole preset in the housing.

Wherein, casing fixed subassembly 4 includes slide 41, locking bolt 42, fixing base 43, sliding seat 44, a plurality of first guide arm 45 and first spring 46, be equipped with spout 10 on the base 1, slide 41 bottom is equipped with the slider 410 with spout 10 adaptation, slide 41 passes through locking bolt 42 and is connected with base 1, slide 41 middle part is equipped with fixing base 43, fixing base 43 top is located to sliding seat 44, just sliding seat 44 is connected with fixing base 43 through a plurality of first guide arms 45, each first guide arm 45 goes up the cover establish with first spring 46, be equipped with the reference column 47 of being convenient for place micromotor casing on the sliding seat 44, reference column 47 middle part is equipped with the bearing locating lever 48 of vertical setting. In this embodiment, when assembling the bearing to the casing, only need place the casing of micromotor on reference column 47, place the bearing on bearing locating lever 48 again, pneumatic mechanism 3 of impressing can drive sliding seat 44 and down push, carry out the pressfitting installation with the bearing hole alignment bearing in the casing, and convenient for operation, adopt the casing to push down and carry out the mode of assembling with the bearing, it is inaccurate to have solved the bearing location, lead to the problem that micromotor assembly precision descends, effectively improve the production quality and the life of micromotor, and convenient for operation simultaneously, effectively improve the production efficiency of enterprise. The arrangement of the first guide rod 45 can prevent the movable seat 44 from deviating when being pressed down, and the arrangement of the first spring 46 can enable the movable seat 44 to realize automatic reset, and is practical and convenient.

Pneumatic mechanism 3 of impressing includes mount pad 31, cylinder 32, pressure head 33, two second guide arms 34 and two second springs 35, mount pad 31 side is connected with hand wheel elevating system 2, on mount pad 31 was located to cylinder 32, the expansion end and the pressure head 33 of cylinder 32 are connected, two slide 41 left and right sides are located respectively to the bottom of second guide arm 34, pressure head 33 and mount pad 31 are worn to locate in proper order by supreme down in the top of second guide arm 34, second spring 35 is located on the second guide arm 34 of pressure head 33 below. In this embodiment, the movable end of the cylinder 32 can drive the pressing head 33 to descend, so that the pressing head 33 can press and combine the housing and the bearing on the positioning column 47. The second guide bar 34 can prevent the pressure head 44 from deviating during the pressing process, so as to improve the stability of the movement, and the second spring 35 can prevent the pressure head 33 from descending too fast, so as to scratch the surface of the shell.

Further, the positioning column 47 is a hollow cylindrical structure, a cutting groove 471 convenient for positioning the micro-motor shell is formed in the side wall of the positioning column 47, and a top block 472 is arranged at the bottom of the cutting groove 471. In this embodiment, the cutting groove 471 can be engaged with the inner wall surface of the housing to improve the positioning accuracy of the micro-motor housing, and the top block 472 can abut against the bottom of the housing to improve the stability of the housing.

Further, hand wheel elevating system 2 includes transmission lead screw 21, lead screw sleeve 22 and rotates hand wheel 23, be connected through lead screw sleeve 22 between mount pad 31 and the base 1, be equipped with the internal thread structure in the lead screw sleeve 22, be equipped with the external screw thread structure on the transmission lead screw 21, transmission lead screw 21 passes through threaded connection with a lead screw sleeve 22 section of thick bamboo, transmission lead screw 21 top is equipped with rotation hand wheel 23. In this embodiment, the user can also adjust the starting height of the pneumatic pressing mechanism 3 according to actual needs, which is convenient for the user to meet the requirements of assembling different models of micro-motors. Specifically, the user can adjust the rotating hand wheel 23, and the rotating hand wheel 23 can drive the transmission screw rod 21 to rotate so as to drive the screw rod sleeve 22 to realize height adjustment, and the device is practical and convenient.

Further, a plurality of through holes 100 convenient for positioning and installation are arranged on the base 1. In this embodiment, the through hole 100 is provided to facilitate the user to fix the present invention on the worktable.

Further, be equipped with stop screw 5 between slide 41 and the pressure head 33, be equipped with screw hole 411 on the slide 41, in screw hole 411 was located to stop screw 5 bottom, stop screw 5 top was equipped with the nut 51 of being convenient for rotation regulation height. In this embodiment, the setting of stop screw 5 can avoid pressure head 33's decline stroke too big, leads to pressure head 33 to cause the scratch to damage to the casing surface to improve the yields of product.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tool is gone into to convenient operation's micromotor shaft pressure-bearing which characterized in that: the device comprises a base, a hand wheel lifting mechanism, a pneumatic pressing-in mechanism and a shell fixing assembly, wherein the shell fixing assembly is arranged in the middle of the base, the hand wheel lifting mechanism is arranged at the side end of the base, the pneumatic pressing-in mechanism is connected with the hand wheel lifting mechanism, and the pneumatic pressing-in mechanism is positioned right above the shell fixing assembly;

2. The micro-machine shaft pressing-in jig convenient to operate according to claim 1, characterized in that: the positioning column is of a hollow cylindrical structure, a cutting groove convenient for positioning the micro-motor shell is formed in the side wall of the positioning column, and a top block is arranged at the bottom of the cutting groove.

3. The micro-machine shaft pressing-in jig convenient to operate according to claim 1, characterized in that: the hand wheel lifting mechanism comprises a transmission screw rod, a screw rod sleeve and a rotating hand wheel, the mounting seat is connected with the base through the screw rod sleeve, an internal thread structure is arranged in the screw rod sleeve, an external thread structure is arranged on the transmission screw rod, the transmission screw rod is connected with the screw rod sleeve through threads, and the rotating hand wheel is arranged at the top of the transmission screw rod.

4. The micro-machine shaft pressing-in jig convenient to operate according to claim 1, characterized in that: the base is provided with a plurality of through holes convenient for positioning and installation.

5. The micro-machine shaft pressing-in jig convenient to operate according to claim 1, characterized in that: be equipped with stop screw between slide and the pressure head, be equipped with the screw hole on the slide, the threaded hole is located to the stop screw bottom, the stop screw top is equipped with the nut of the rotatory height-adjusting of being convenient for.