阅读说明：本技术 一种平移进料的电机轴装配装置 (Motor shaft assembly quality of translation feeding ) 是由 傅诗萌 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种平移进料的电机轴装配装置,移动支撑板的上端面上成型有一对左右对称设置与铁芯的通孔配合的预定位柱；移动支撑板的底部固定有开口左右贯穿的矩形框状的下支撑框；下支撑框内竖直移动设置有装配升降板；装配升降板的上端面中心成型有与电机轴配合的下限位槽；移动支撑板的中心成型有上下贯穿的供电机轴穿过的上穿孔；下支撑框的上侧壁中心成型有上下贯穿的供电机轴穿过的上限位穿孔；下限位槽、上限位穿孔和上穿孔三者的旋转中心轴共线；支撑台的正上方升降设置有上限位板；一对上限位板之间设置有供电机轴的上端左右移动的间隙。(The invention discloses a motor shaft assembling device for translational feeding, wherein a pair of prepositioning columns which are symmetrically arranged left and right and matched with through holes of an iron core are formed on the upper end surface of a movable supporting plate; a rectangular frame-shaped lower support frame with a left opening and a right opening penetrating is fixed at the bottom of the movable support plate; an assembly lifting plate is vertically and movably arranged in the lower support frame; a lower limiting groove matched with the motor shaft is formed in the center of the upper end face of the assembling lifting plate; an upper through hole which is penetrated by a power supply motor shaft and penetrates up and down is formed in the center of the movable supporting plate; an upper limiting through hole which penetrates through the upper side wall and the lower side wall is formed in the center of the upper side wall of the lower support frame, and a motor shaft penetrates through the upper limiting through hole; the rotating central shafts of the lower limiting groove, the upper limiting through hole and the upper through hole are collinear; an upper limiting plate is arranged above the supporting platform in a lifting manner; a gap for the upper end of the motor shaft to move left and right is arranged between the pair of upper limiting plates.)

1. The utility model provides a motor shaft assembly quality of translation feeding which characterized in that: comprises a bracket (10) and an assembling device (20); the support (10) comprises a pair of support tables (11) which are symmetrically arranged in front and back; a pair of supporting legs (12) which are arranged in bilateral symmetry are formed on the lower end surface of the supporting platform (11); the mounting device (20) comprises a mobile support plate (23); the movable support plate (23) is arranged between the pair of support tables (11) in a left-right moving manner; a pair of pre-positioning columns (231) which are arranged in a bilateral symmetry manner and matched with the through holes (300) of the iron core (30) are formed on the upper end surface of the movable supporting plate (23); a lower support frame (25) in a rectangular frame shape with openings penetrating left and right is fixed at the bottom of the movable support plate (23); an assembly lifting plate (27) is vertically and movably arranged in the lower support frame (25); a lower limiting groove (270) matched with a motor shaft is formed in the center of the upper end face of the assembling lifting plate (27); an upper through hole (230) which penetrates through the center of the movable supporting plate (23) up and down and is used for a motor shaft to pass through is formed in the center of the movable supporting plate; an upper limiting perforation (250) which penetrates through the upper and lower part and is used for a motor shaft to pass through is formed in the center of the upper side wall of the lower support frame (25); the rotation central axes of the lower limiting groove (270), the upper limiting through hole (250) and the upper through hole (230) are collinear; an upper limiting plate (29) is arranged above the supporting platform (11) in a lifting way; a gap for the upper end of the motor shaft to move left and right is arranged between the pair of upper limiting plates (29).

2. The apparatus of claim 1, further comprising: left and right moving grooves (110) are respectively formed on the end surfaces of the pair of supporting platforms (11) which are close to each other; a left moving block and a right moving block matched with the left moving groove and the right moving groove (110) are respectively formed on the front end surface and the rear end surface of the moving support plate (23); a left driving threaded rod and a right driving threaded rod (22) are respectively pivoted between the left side wall and the right side wall of the left-right moving groove (110); the left and right moving blocks are screwed on the left and right driving threaded rods (22) on the corresponding sides; a left and right driving motor (21) is fixed on the left end surface of the supporting platform (11); the left end of the left and right driving threaded rod (22) is fixedly connected with the output shaft of the left and right driving motor (21) on the corresponding side.

3. The apparatus of claim 1, further comprising: a lifting cylinder (28) is fixed on the lower end surface of the support platform (11); the upper limiting plate (29) is fixed at the upper end of the piston rod of the lifting cylinder (28) on the corresponding side.

4. The apparatus of claim 1, further comprising: a pair of upper limiting insertion rods (291) matched with the through holes (300) of the iron core (30) are formed on the lower end surface of the upper limiting plate (29); the upper limiting inserted rod (291) is staggered with the pre-positioning column (231).

5. The apparatus of claim 1, further comprising: a plurality of rollers (253) which are uniformly distributed are arranged on the bottom surface of the lower support frame (25); the roller (253) is grounded.

6. The apparatus of claim 1, further comprising: three lifting guide grooves (251) which are arranged in a penetrating manner from front to back and are uniformly distributed from left to right are respectively formed on the front side wall and the rear side wall of the lower support frame (25); three lifting guide blocks (271) matched with the lifting guide grooves (251) are respectively formed on the front side wall and the rear side wall of the assembly lifting plate (27); a cylindrical vertical guide rod (252) is formed between the upper and lower side walls of the left and right lifting guide grooves (251); a lifting driving threaded rod (26) is pivoted between the upper side wall and the lower side wall of the middle lifting guide groove (251); a lifting motor is fixed on the lower side wall of the middle lifting guide groove (251); the lower end of the lifting driving threaded rod (26) is fixedly connected with a lifting motor on the corresponding side; the lifting guide block (271) on the right side of the left side is arranged in the lifting guide groove (251) on the corresponding side in a sliding manner and is vertically sleeved on the vertical guide rod (252) on the corresponding side; the middle lifting guide block (271) is arranged in the lifting guide groove (251) on the corresponding side in a sliding mode and is in threaded connection with the lifting driving threaded rod (26) on the corresponding side.

Technical Field

The invention relates to the technical field of motor shaft assembly, in particular to a motor shaft assembly device for translational feeding.

Background

In the related art, a shaft and an iron core of a motor are assembled together in a manner of heating the iron core and shrink-fitting the shaft. However, since the shaft has a high thermal conductivity, the temperature of the core is rapidly lowered when the shaft contacts the inner hole of the core, and the shaft cannot be pressed into the shaft after 3 to 5 seconds because the core is cooled, so that the operating speed is required to be high. The manual pressing-in of the shaft has the defect of slow pressing-in speed, so that the shaft is not pressed in place.

Disclosure of Invention

The invention aims to provide a motor shaft assembling device for translational feeding, aiming at the technical problem that the existing motor shaft and iron core are inconvenient to assemble.

The technical scheme for solving the technical problems is as follows: a motor shaft assembling device for translational feeding comprises a bracket and an assembling device; the bracket comprises a pair of supporting platforms which are symmetrically arranged front and back; a pair of supporting legs which are arranged in bilateral symmetry are formed on the lower end surface of the supporting platform; the assembling device comprises a movable supporting plate; the movable supporting plate moves left and right and is arranged between the pair of supporting platforms; a pair of prepositioning columns which are arranged symmetrically left and right and matched with the through holes of the iron core are formed on the upper end surface of the movable supporting plate; a rectangular frame-shaped lower support frame with a left opening and a right opening penetrating is fixed at the bottom of the movable support plate; an assembly lifting plate is vertically and movably arranged in the lower support frame; a lower limiting groove matched with the motor shaft is formed in the center of the upper end face of the assembling lifting plate; an upper through hole which is penetrated by a power supply motor shaft and penetrates up and down is formed in the center of the movable supporting plate; an upper limiting through hole which penetrates through the upper side wall and the lower side wall is formed in the center of the upper side wall of the lower support frame, and a motor shaft penetrates through the upper limiting through hole; the rotating central shafts of the lower limiting groove, the upper limiting through hole and the upper through hole are collinear; an upper limiting plate is arranged above the supporting platform in a lifting manner; a gap for the upper end of the motor shaft to move left and right is arranged between the pair of upper limiting plates.

Preferably, the pair of support platforms have left and right moving grooves formed on their end surfaces adjacent to each other; a left moving block and a right moving block matched with the left moving groove and the right moving groove are respectively formed on the front end surface and the rear end surface of the moving support plate; a left driving threaded rod and a right driving threaded rod are respectively pivoted between the left side wall and the right side wall of the left moving groove and the right moving groove; the left moving block and the right moving block are screwed on the left driving threaded rod and the right driving threaded rod on the corresponding sides; a left driving motor and a right driving motor are fixed on the left end surface of the supporting platform; the left end of the left and right driving threaded rod is fixedly connected with the output shaft of the left and right driving motor on the corresponding side.

Preferably, a lifting cylinder is fixed on the lower end surface of the support platform; the upper limiting plate is fixed at the upper end of the piston rod of the lifting cylinder on the corresponding side.

Preferably, a pair of upper limiting insertion rods matched with the through holes of the iron core are formed on the lower end surface of the upper limiting plate; the upper limiting inserted bar is staggered with the pre-positioning column.

Preferably, the bottom surface of the lower support frame is provided with a plurality of rollers which are uniformly distributed; the rollers are arranged on the ground.

Preferably, the front side wall and the rear side wall of the lower support frame are respectively provided with three lifting guide grooves which are arranged in a penetrating manner from front to back and are uniformly distributed from left to right; three lifting guide blocks matched with the lifting guide grooves are respectively formed on the front side wall and the rear side wall of the lifting plate; a cylindrical vertical guide rod is formed between the upper side wall and the lower side wall of the lifting guide groove on the left side and the right side; a lifting driving threaded rod is pivoted between the upper side wall and the lower side wall of the middle lifting guide groove; a lifting motor is fixed on the lower side wall of the middle lifting guide groove; the lower end of the lifting driving threaded rod is fixedly connected with a lifting motor on the corresponding side; the lifting guide block on the right side of the left side is arranged in the lifting guide groove on the corresponding side in a sliding manner and is vertically sleeved on the vertical guide rod on the corresponding side; the middle lifting guide block is arranged in the lifting guide groove on the corresponding side in a sliding mode and is in threaded connection with the lifting driving threaded rod on the corresponding side.

The invention has the beneficial effects that: simple structure, the last unloading is convenient, and the motor shaft assembly is quick accurate.

Drawings

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

FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a cross section B-B in FIG. 2 according to the present invention.

In the figure, 10, the stent; 11. a support table; 110. a groove is moved left and right; 12. supporting legs; 20. an assembly device; 21. a left and right driving motor; 22. driving the threaded rod left and right; 23. moving the support plate; 230. perforating; 231. pre-positioning columns; 25. a lower support frame; 250. an upper limiting perforation; 251. a lifting guide groove; 252. a vertical guide rod; 253. a roller; 26. lifting the driving threaded rod; 27. assembling a lifting plate; 270. a lower limiting groove; 271. a lifting guide block; 28. a lifting cylinder; 29. an upper limiting plate; 291. an upper limiting inserted rod; 30. an iron core; 300. and a through hole.

Detailed Description

As shown in fig. 1 to 3, a motor shaft assembling device for translational feeding comprises a bracket 10 and an assembling device 20; the support 10 comprises a pair of support tables 11 which are symmetrically arranged in front and back; a pair of supporting legs 12 which are arranged in bilateral symmetry are formed on the lower end surface of the supporting platform 11; the assembling device 20 comprises a mobile support plate 23; the movable support plate 23 is arranged between the pair of support tables 11 in a left-right movement manner; a pair of prepositioning columns 231 which are arranged symmetrically left and right and matched with the through hole 300 of the iron core 30 are formed on the upper end surface of the movable supporting plate 23; a lower support frame 25 in a rectangular frame shape having an opening penetrating right and left is fixed to the bottom of the movable support plate 23; an assembly lifting plate 27 is vertically and movably arranged in the lower support frame 25; a lower limit groove 270 matched with a motor shaft is formed in the center of the upper end face of the assembling lifting plate 27; an upper through hole 230 for passing a power supply shaft which penetrates up and down is formed in the center of the movable supporting plate 23; an upper limiting through hole 250 which penetrates through the upper and lower parts and is used for a motor shaft to pass through is formed in the center of the upper side wall of the lower support frame 25; the rotation central axes of the lower limiting groove 270, the upper limiting through hole 250 and the upper through hole 230 are collinear; an upper limiting plate 29 is arranged above the supporting platform 11 in a lifting way; a gap for the upper end of the motor shaft to move left and right is provided between the pair of upper limiting plates 29.

As shown in fig. 2 and 3, left and right moving grooves 110 are formed on the end surfaces of the pair of support bases 11 adjacent to each other; left and right moving blocks matched with the left and right moving grooves 110 are respectively formed on the front and rear end surfaces of the moving support plate 23; a left driving threaded rod 22 and a right driving threaded rod 22 are respectively pivoted between the left side wall and the right side wall of the left-right moving groove 110; the left and right moving blocks are screwed on the left and right driving threaded rods 22 on the corresponding sides; a left driving motor 21 and a right driving motor 21 are fixed on the left end surface of the support platform 11; the left end of the left and right driving threaded rod 22 is fixedly connected with the output shaft of the left and right driving motor 21 on the corresponding side.

As shown in fig. 1 and 2, a lifting cylinder 28 is fixed to the lower end surface of the support table 11; an upper limit plate 29 is fixed to the upper end of the piston rod of the lifting cylinder 28 on the corresponding side.

As shown in fig. 1 and 2, a pair of upper limiting rods 291, which are engaged with the through holes 300 of the iron core 30, are formed on the lower end surface of the upper limiting plate 29; the upper limit plunger 291 is staggered with the pre-positioning post 231.

As shown in fig. 2, a plurality of rollers 253 are uniformly distributed on the bottom surface of the lower support frame 25; the roller 253 is grounded.

As shown in fig. 2 and 3, three lifting guide grooves 251 are formed on the front and rear side walls of the lower support frame 25, and penetrate through the front and rear side walls and are uniformly distributed on the left and right side walls; three lifting guide blocks 271 matched with the lifting guide grooves 251 are respectively formed on the front side wall and the rear side wall of the assembly lifting plate 27; a cylindrical vertical guide rod 252 is formed between the upper and lower sidewalls of the left and right elevating guide grooves 251; a lifting driving threaded rod 26 is pivoted between the upper side wall and the lower side wall of the middle lifting guide groove 251; a lifting motor is fixed on the lower side wall of the middle lifting guide groove 251; the lower end of the lifting driving threaded rod 26 is fixedly connected with a lifting motor on the corresponding side; the left right lifting guide block 271 is arranged in the lifting guide groove 251 of the corresponding side in a sliding manner and vertically sleeved on the vertical guide rod 252 of the corresponding side; the middle lifting guide block 271 is arranged in the corresponding lifting guide groove 251 in a sliding manner and is screwed on the corresponding lifting drive threaded rod 26.

The working principle of the motor shaft assembling device for translational feeding is as follows;

initial state: a pair of upper limiting plates 29 at the uppermost end, a movable supporting plate 23 at the leftmost end or the rightmost end, and an assembly elevating plate 27 at the uppermost end;

taking the initial state of the movable supporting plate 23 at the leftmost end as an example:

firstly, an operator vertically penetrates the motor shaft through the upper through hole 230 and the upper limiting through hole 250 from top to bottom and finally the bottom of the motor shaft is positioned in the lower limiting groove 270, and then the assembly lifting plate 27 descends to enable the upper end face of the motor shaft to be lower than the upper end face of the movable supporting plate 23; then the operator places the iron core 30 on the moving support plate 23 and the pair of pre-positioning posts 231 are inserted into the through-holes 300 of the iron core 30; then the movable support plate 23 is moved rightward until the iron core 30 is positioned right under the pair of upper limiting plates 29, and then the pair of upper limiting plates 29 are lowered to press the iron core 30; then the assembly lifting plate 27 is lifted, so that the motor shaft is inserted into the central hole of the iron core 30 from bottom to top, thus the assembly of the motor shaft and the iron core 30 is completed, then the support plate 23 is moved to the rightmost end rightmost, then the assembled motor shaft and the assembled iron core 30 are taken out vertically upwards, and then a new motor shaft and an iron core 30 are placed for subsequent assembly work;

the feeding and discharging are convenient, and the motor shaft is assembled quickly and accurately.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.