CN217115887U

CN217115887U - Tool for positioning rotor core of stepping motor

Info

Publication number: CN217115887U
Application number: CN202220905747.1U
Authority: CN
Inventors: 丁晓军
Original assignee: Changzhou Yuanrui Electric Machinery Technology Co ltd
Current assignee: Changzhou Yuanrui Electric Machinery Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a frock for positioning step motor rotor core, including the location frock body, the location frock body includes two positioning seats and simultaneously with the base of two positioning seat bottom swing joint, the seat hole has been seted up at the top of base, be provided with on the base with two positioning seat matched with synchronous fast speed adjusting mechanism; synchronous quick adjustment mechanism includes the branch pipe of fixed connection in the base bottom, and the bottom fixedly connected with of branch pipe returns the shape bottom plate, and the rectangular channel has all been seted up to the both sides of base, and the sliding sleeve is equipped with the rectangular pole in the rectangular channel, and the one end that two rectangular poles kept away from each other all extends to the base outside and fixedly connected with coupling assembling. The utility model discloses a mode that two positioning seats of synchro control were kept away from each other and were close to each other is convenient for carry out the dismouting to two positioning seats fast, improves dismouting efficiency, and then improves positioning efficiency, satisfies the user demand.

Description

Tool for positioning rotor core of stepping motor

Technical Field

The utility model relates to a motor assembly technical field especially relates to a frock for fixing a position step motor rotor core.

Background

At present, a rotor of a stepping motor comprises a rotating shaft, a plurality of iron cores and other main parts, a plurality of rotating teeth are arranged on the outer side surface of each iron core, a groove shape is formed between every two adjacent rotating teeth on the same iron core, an angle needs to be staggered between every two adjacent iron cores on the rotor, the requirement on the precision of the angle is very high, the rotor cannot control the accurate angle by naked eyes in the manufacturing process, once the staggered angle error is large, the motor is seriously influenced to output power in the running process, the output power is reduced, and the running noise of the motor is large and the phenomenon of imbalance is generated.

In order to solve the problem, in the prior art, the grant publication No. CN209767350U discloses a fixture for positioning a rotor core of a high/low temperature vacuum stepper motor, which includes a base and a positioning device engaged with the base, wherein the positioning device is used for positioning the rotor core, the positioning device includes a first positioning seat and a second positioning seat, the first positioning seat and the second positioning seat are detachably connected, when the first positioning seat and the second positioning seat are connected with each other, the first positioning seat and the second positioning seat are simultaneously provided with a pin shaft fit and a bolt fit, the positioning device is provided with a cavity, a plurality of protruding portions are arranged on the side wall of the cavity, each protruding portion can be adapted to the shape of a groove on the side surface of the rotor core, the base is provided with a seat hole for positioning a rotor shaft, and when a plurality of cores are arranged along the length direction of the shaft, under the precision requirement of ensuring the staggered angle between every two adjacent rotor cores on the rotor, the coaxiality of the central through holes on all the rotor cores and the coaxiality requirement of the central through holes and the rotating shaft can be ensured, and the phenomenon that the magnetic steel near the central through holes is cracked is reduced.

The above patent still has some disadvantages, and the first positioning seat and the second positioning seat are fixed by a plurality of bolts, so that the motor rotor is positioned when being installed; but it carries out the mode fixed through a plurality of bolts of dismouting one by one, has the shortcoming of being not convenient for carry out the dismouting to first positioning seat and second positioning seat fast, and the dismouting is inefficient, can not satisfy the user demand, improves to this phenomenon, therefore we have proposed a frock for fixing a position step motor rotor core for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the frock for fixing a position step motor rotor core that proposes.

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

a tool for positioning a rotor core of a stepping motor comprises a positioning tool body, wherein the positioning tool body comprises two positioning seats and a base which is in movable contact with the bottoms of the two positioning seats simultaneously, a seat hole is formed in the top of the base, and a synchronous quick adjustment mechanism matched with the two positioning seats is arranged on the base;

the synchronous quick adjustment mechanism comprises a branch pipe fixedly connected to the bottom of the base, the bottom end of the branch pipe is fixedly connected with a clip-shaped bottom plate, rectangular grooves are formed in two sides of the base, rectangular rods are sleeved in the rectangular grooves in a sliding mode, one ends, far away from each other, of the two rectangular rods extend out of the base and are fixedly connected with connecting components, one sides, close to each other, of the two connecting components are fixedly connected with one sides, far away from each other, of the two positioning seats respectively, the rectangular channel is kept away from and is rotated on its open-ended one side inner wall and be connected with screw thread rotary driving subassembly, and rectangular rod screw thread cover is established on corresponding screw thread rotary driving subassembly, rotates the cover on the branch pipe and is equipped with the linkage subassembly, two pivots of linkage subassembly's top fixedly connected with, the top of pivot extend to corresponding rectangular channel in and with screw thread rotary driving subassembly's bottom fixed connection, the base rotates the cover and establishes in two pivots, the equal fixedly connected with handle bar in four sides of linkage subassembly.

Preferably, coupling assembling includes montant and fixing base, and the one side bottom that two montants are close to each other respectively with the one end fixed connection that two rectangular poles kept away from each other, the one side that two fixing bases are close to each other respectively with the one side fixed connection that two positioning seats were kept away from each other, the one side that two fixing bases were kept away from each other respectively with the one side fixed connection that two montants are close to each other.

Preferably, the screw thread rotary driving assembly comprises a screw rod rotatably installed on the inner wall of one side, away from the opening, of the corresponding rectangular groove, the rectangular rod is sleeved on the corresponding screw rod in a threaded manner, the threaded grooves are formed in one ends, close to each other, of the two rectangular rods, the threaded grooves are in threaded connection with the corresponding screw rods, a first bevel gear is fixedly sleeved on the screw rod, the two first bevel gears are symmetrically arranged, a second bevel gear is meshed with the bottom of the first bevel gear, and the bottom of the second bevel gear is fixedly connected with the top end of the corresponding rotating shaft.

Preferably, the linkage assembly comprises an inner gear ring rotatably sleeved on the branch pipe, the inner side of the inner gear ring is engaged with two first gears, the tops of the two first gears are respectively and fixedly connected with the bottom ends of the corresponding rotating shafts, and the four sides of the inner gear ring are respectively and fixedly connected with the corresponding handle rods.

Preferably, four sets of positioning protrusions are arranged on the inner side of the positioning seat.

Preferably, the inner wall of the bottom of the rectangular groove is provided with a limiting hole, and the bottom of the rectangular rod is fixedly connected with a limiting block which is connected with the corresponding limiting hole in a sliding manner.

Preferably, a first bearing is fixedly mounted in the inner gear ring, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the branch pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a mode that two positioning seats of synchro control were kept away from each other and were close to each other is convenient for carry out the dismouting to two positioning seats fast, improves dismouting efficiency, and then improves positioning efficiency, satisfies the user demand.

Drawings

Fig. 1 is a schematic structural view of a tool for positioning a rotor core of a stepping motor according to the present invention;

fig. 2 is the utility model provides a sectional structure schematic diagram of a frock for fixing a position step motor rotor core.

In the figure: 100. positioning seats; 101. a base; 102. a seat hole; 1. a branch pipe; 2. a clip-shaped bottom plate; 3. a rectangular groove; 4. a rectangular bar; 5. a vertical rod; 6. a fixed seat; 7. a screw; 8. a first bevel gear; 9. a second bevel gear; 10. a rotating shaft; 11. an inner gear ring; 12. a first gear; 13. a handle bar; 14. a first bearing; 15. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a tool for positioning a rotor core of a stepping motor comprises a positioning tool body, wherein the positioning tool body comprises two positioning seats 100 and a base 101 which is movably contacted with the bottoms of the two positioning seats 100 at the same time, four groups of positioning protrusions are arranged on the inner sides of the positioning seats 100, a seat hole 102 is formed in the top of the base 101, and a synchronous quick adjustment mechanism matched with the two positioning seats 100 is arranged on the base 101;

the synchronous quick adjustment mechanism comprises a branch pipe 1 fixedly connected to the bottom of a base 101, the bottom end of the branch pipe 1 is fixedly connected with a square bottom plate 2, two sides of the base 101 are respectively provided with a rectangular groove 3, a rectangular rod 4 is sleeved in the rectangular groove 3 in a sliding manner, the bottom inner wall of the rectangular groove 3 is provided with a limiting hole, the bottom of the rectangular rod 4 is fixedly connected with a limiting block 15 which is connected with the corresponding limiting hole in a sliding manner, the limiting and anti-falling effects on the rectangular rod 4 are achieved by utilizing the sliding fit of the limiting hole and the limiting block 15, the mutually far ends of the two rectangular rods 4 extend out of the base 101 and are fixedly connected with connecting components, the mutually near sides of the two connecting components are respectively and fixedly connected with the mutually far sides of the two positioning seats 100, the inner wall of the side of the rectangular groove 3 far from the opening is rotatably connected with a thread rotation driving component, and the thread of the rectangular rod 4 is sleeved on the corresponding thread rotation driving component, the branch pipe 1 is rotatably sleeved with a linkage assembly, the top of the linkage assembly is fixedly connected with two rotating shafts 10, the top ends of the rotating shafts 10 extend into corresponding rectangular grooves 3 and are fixedly connected with the bottoms of the thread rotation driving assemblies, the base 101 is rotatably sleeved on the two rotating shafts 10, round through holes are formed in the inner walls of the bottoms of the rectangular grooves 3, second bearings are fixedly sleeved in the round through holes, the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding rotating shafts 10, the base 101 is rotatably sleeved on the two rotating shafts 10 through the two second bearings, the positioning and rotating effect on the rotating shafts 10 is achieved, and handle rods 13 are fixedly connected to four sides of the linkage assembly;

the connecting assembly comprises vertical rods 5 and fixing seats 6, the bottoms of the two vertical rods 5 at the sides close to each other are fixedly connected with the ends, far away from each other, of the two rectangular rods 4, the sides, near to each other, of the two fixing seats 6 are fixedly connected with the sides, far away from each other, of the two positioning seats 100, and the sides, far away from each other, of the two fixing seats 6 are fixedly connected with the sides, near to each other, of the two vertical rods 5;

the screw thread rotary drive assembly comprises a screw 7 rotatably mounted on the inner wall of the corresponding rectangular groove 3 on the side away from the opening thereof, the inner wall of one side of the rectangular groove 3, which is far away from the opening, is fixedly bonded with a third bearing which is fixedly bonded and sleeved with the outer side of the corresponding screw 7, the rectangular rods 4 are sleeved on the corresponding screw 7 in a threaded manner, the ends, which are close to each other, of the two rectangular rods 4 are both provided with threaded grooves, the threaded grooves are in threaded connection with the corresponding screw 7, the effect of conveniently driving the corresponding rectangular rods 4 to move left and right when the screw 7 rotates is achieved by utilizing the threaded connection relationship between the screw 7 and the threaded grooves, the screw 7 is fixedly sleeved with first bevel gears 8, the two first bevel gears 8 are symmetrically arranged, the bottom of each first bevel gear 8 is meshed with a second bevel gear 9, and the bottom of each second bevel gear 9 is fixedly connected with the top end of the corresponding rotating shaft 10;

the linkage subassembly establishes ring gear 11 on branch pipe 1 including rotating the cover, and ring gear 11 internal fixation has first bearing 14, the inboard outside fixed connection with branch pipe 1 of inner circle of first bearing 14, and setting up of first bearing 14 plays the internal ring gear 11 location pivoted effect, and the inboard meshing of ring gear 11 has two first gears 12, the top of two first gears 12 respectively with the bottom fixed connection of the pivot 10 that corresponds, four sides of ring gear 11 respectively with the handle pole 13 fixed connection that corresponds, the utility model discloses a mode that two positioning seats 100 of synchronous control kept away from each other and were close to each other is convenient for carry out the dismouting to two positioning seats 100 fast, improves dismouting efficiency, and then improves positioning efficiency, satisfies the user demand.

The working principle is as follows: when the two positioning seats 100 need to be separated, the handle rod 13 is pulled to drive the inner gear ring 11 to rotate reversely, the inner gear ring 11 drives the two first gears 12 to rotate, the two first gears 12 drive the two second bevel gears 9 to rotate through the two rotating shafts 10, the two second bevel gears 9 drive the two first bevel gears 8 to rotate, the two first bevel gears 8 are symmetrically arranged, so that the rotating directions of the two first bevel gears 8 are opposite, the two first bevel gears 8 drive the two screw rods 7 to rotate in opposite directions, under the action of the thread grooves formed in the rectangular rods 4, the two screw rods 7 can drive the two rectangular rods 4 to slide in the two rectangular grooves 3 in the directions far away from each other, the two rectangular rods 4 drive the two fixing seats 6 to move in the directions far away from each other through the two vertical rods 5, and the two fixing seats 6 drive the two positioning seats 100 to be separated in the directions far away from each other, the two positioning seats 100 can be quickly detached and separated;

during the combination, forward pulling handle bar 13 drives ring gear 11 forward rotation, the motion process with above-mentioned ring gear 11 antiport is totally opposite in the same way, two rectangular rod 4 change this moment into to the direction removal that is close to each other, two rectangular rod 4 loop through two montants 5 and two fixing bases 6 and drive two positioning seats 100 and close to the direction that is close to each other back-shifting, the realization closes to close fixedly to the centre fast synchronization to two positioning seats 100, make and be convenient for carry out the dismouting to two positioning seats 100 fast, the efficiency of the dismouting is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The tool for positioning the rotor core of the stepping motor comprises a positioning tool body, wherein the positioning tool body comprises two positioning seats (100) and a base (101) which is in movable contact with the bottoms of the two positioning seats (100) simultaneously, the top of the base (101) is provided with a seat hole (102), and the tool is characterized in that a synchronous quick adjustment mechanism matched with the two positioning seats (100) is arranged on the base (101);

synchronous quick adjustment mechanism includes branch pipe (1) of fixed connection in base (101) bottom, bottom fixedly connected with of branch pipe (1) returns shape bottom plate (2), rectangular channel (3) have all been seted up to the both sides of base (101), sliding sleeve is equipped with rectangular pole (4) in rectangular channel (3), two rectangular pole (4) one end of keeping away from each other all extend to base (101) outer and fixedly connected with coupling assembling, one side that two coupling assembling are close to each other respectively with one side fixed connection that two positioning seats (100) kept away from each other, it is connected with screw thread rotation driving subassembly to rotate on its open-ended one side inner wall is kept away from in rectangular channel (3), rectangular pole (4) thread bush is established on corresponding screw thread rotation driving subassembly, it is equipped with linkage assembly to rotate the cover on branch pipe (1), two pivot (10) of top fixedly connected with of linkage assembly, the top of pivot (10) extend to in corresponding rectangular channel (3) and with screw thread rotation driving subassembly's bottom fixed The base (101) is rotatably sleeved on the two rotating shafts (10), and handle rods (13) are fixedly connected to four sides of the linkage assembly.

2. The tooling for positioning the rotor core of the stepping motor according to claim 1, wherein the connecting assembly comprises vertical rods (5) and fixing seats (6), the bottom of one side of each of the two vertical rods (5) close to each other is fixedly connected with one end of each of the two rectangular rods (4) away from each other, one side of each of the two fixing seats (6) close to each other is fixedly connected with one side of each of the two positioning seats (100) away from each other, and one side of each of the two fixing seats (6) away from each other is fixedly connected with one side of each of the two vertical rods (5) close to each other.

3. The tool for positioning the rotor core of the stepping motor according to claim 1, wherein the threaded rotary driving assembly comprises a screw (7) rotatably mounted on the inner wall of the side, away from the opening, of the corresponding rectangular groove (3), the rectangular rods (4) are in threaded sleeve connection with the corresponding screw (7), threaded grooves are formed in the ends, close to each other, of the two rectangular rods (4), the threaded grooves are in threaded connection with the corresponding screw (7), first bevel gears (8) are fixedly sleeved on the screw (7), the two first bevel gears (8) are symmetrically arranged, the bottom of each first bevel gear (8) is meshed with a second bevel gear (9), and the bottom of each second bevel gear (9) is fixedly connected with the top end of the corresponding rotating shaft (10).

4. The tool for positioning the rotor core of the stepping motor according to claim 1, wherein the linkage assembly comprises an inner gear ring (11) rotatably sleeved on the branch pipe (1), two first gears (12) are meshed with the inner side of the inner gear ring (11), the tops of the two first gears (12) are fixedly connected with the bottom ends of the corresponding rotating shafts (10), and four sides of the inner gear ring (11) are fixedly connected with the corresponding handle rods (13).

5. The tooling for positioning the rotor core of the stepping motor according to claim 1, wherein four sets of positioning protrusions are arranged on the inner side of the positioning seat (100).

6. The tool for positioning the rotor core of the stepping motor according to claim 1, wherein a limiting hole is formed in the inner wall of the bottom of the rectangular groove (3), and a limiting block (15) which is in sliding connection with the corresponding limiting hole is fixedly connected to the bottom of the rectangular rod (4).

7. The tool for positioning the rotor core of the stepping motor according to claim 4, wherein a first bearing (14) is fixedly installed in the inner gear ring (11), and the inner side of the inner ring of the first bearing (14) is fixedly connected with the outer side of the branch pipe (1).