CN111030393A

CN111030393A - Iron core positioning mechanism

Info

Publication number: CN111030393A
Application number: CN201911214485.3A
Authority: CN
Inventors: 龙晓斌; 王定戒; 龙晓明
Original assignee: Zhongshan Zhongke Intelligent Manufacturing Research Institute Co ltd
Current assignee: Zhongshan Zhongke Intelligent Manufacturing Research Institute Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-04-17

Abstract

The invention discloses an iron core positioning mechanism, which comprises: the base and the fixed baffle that sets up on the base are provided with the preliminary locating plate that is located baffle one side on the base, form a feed chute between preliminary locating plate, baffle and the base, and preliminary locating plate is moved to the baffle side by a drive arrangement drive in order to compress tightly the iron core in the feed chute, still is provided with the secondary locating plate on the base, is provided with a plurality of locating convex blocks on the secondary locating plate, and the secondary locating plate is driven by a drive arrangement so that locating convex block can insert in the feed chute. According to the invention, the primary positioning plate and the secondary positioning plate can be used for secondarily positioning the plurality of iron cores which are arranged side by side, and the positioning precision is high.

Description

Iron core positioning mechanism

Technical Field

The invention relates to an iron core positioning mechanism.

Background

The stator of the motor mainly comprises a plurality of iron cores, an insulating shell sleeved on the iron cores and coils wound on the iron cores, wherein the iron cores are sequentially arranged along a circumferential direction to form a circular ring structure. In the process of producing the motor stator, the iron cores and the insulation shells need to be assembled together one by one, in the prior art, the following method is generally adopted, the iron cores are firstly positioned one by one, then the insulation shells are clamped one by adopting pneumatic clamping jaws and sleeved on the iron cores, the working efficiency is low, and the production cost is increased.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a simple and reliable core positioning mechanism capable of positioning a plurality of cores at a time.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a core positioning mechanism, comprising: the base with fixed set up in baffle on the base, the base on be provided with the preliminary locating plate that is located baffle one side, preliminary locating plate, baffle and base between form a feed chute, preliminary locating plate is moved to the baffle side by a drive arrangement drive in order to compress tightly the iron core in the feed chute, the base on still be provided with the secondary locating plate, be provided with a plurality of locating convex blocks on the secondary locating plate, the secondary locating plate is driven so that by a drive arrangement the locating convex block can insert in the feed chute.

Preferably, the base is further provided with a pushing plate, the primary positioning plate is arranged between the pushing plate and the baffle plate, the primary positioning plate and the pushing plate are connected through a compressible elastic part, the secondary positioning plate is arranged on the pushing plate, the primary positioning plate and the secondary positioning plate adopt the same driving device, and the output end of the driving device is connected with the pushing plate and can drive the pushing plate to be close to and away from the baffle plate.

Preferably, the width of the positioning lug is gradually reduced from the fixed end to the free end.

Preferably, the pushing plate is mounted on the base through a guide mechanism capable of guiding back and forth.

Preferably, the guide mechanism includes a guide rail disposed on the base, and a slider disposed on the guide rail and connected to the pushing plate.

Preferably, the pushing plate is provided with a guide hole capable of guiding forwards and backwards, the preliminary positioning plate is connected with a guide rod matched with the guide hole, the guide rod penetrates through the guide hole, and the front end of the guide rod is provided with a limit block protruding out of the front side face of the pushing plate.

Preferably, the primary positioning plate is provided with an avoiding groove for the secondary positioning plate to pass through.

The invention has the beneficial effects that: according to the invention, the primary positioning plate and the secondary positioning plate can be used for secondarily positioning the plurality of iron cores which are arranged side by side, so that the positioning precision is high; after the iron core is positioned for the second time, a specially-made clamp can be adopted, a row of insulating shells are clamped at one time and sleeved on the iron core, and the working efficiency is improved.

Drawings

FIG. 1 is a perspective view of the present invention in a preliminary positioning state;

FIG. 2 is a top view of the present invention in a preliminary positioning state;

FIG. 3 is a top view of the secondary positioning of the present invention;

fig. 4 is a left side view of the preliminary positioning state of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, an embodiment of the present invention provides an iron core positioning mechanism, which is characterized by including: it includes base 1 and fixed baffle 2 that sets up on base 1, be provided with the preliminary locating plate 4 that is located 2 one sides of baffle on the base, preliminary locating plate 4, form a feed chute 8 between baffle 2 and the base 1, preliminary locating plate 4 is driven by a drive arrangement and is removed the iron core in order to compress tightly the feed chute 8 to 2 sides of baffle, still be provided with secondary locating plate 5 on the base, be provided with a plurality of locating convex blocks 51 on the secondary locating plate 5, distance between the adjacent locating convex block 431 equals, secondary locating plate 5 is driven by a drive arrangement so that locating convex block 51 can insert in the feed chute 8.

As a preferred scheme of the invention, the base 1 is further provided with a push pressing plate 3, the primary positioning plate 4 is arranged between the push pressing plate 3 and the baffle 2, the primary positioning plate 4 and the push pressing plate 3 are connected through a compressible elastic part 6, the secondary positioning plate 5 is arranged on the push pressing plate 3, the primary positioning plate 4 and the secondary positioning plate 5 adopt the same driving device, and the output end of the driving device is connected with the push pressing plate 3 and can drive the push pressing plate 3 to be close to or far away from the baffle 2.

In some embodiments of the present invention, the primary positioning plate 4 and the secondary positioning plate 5 may also be driven to move by different driving devices.

Alternatively, the elastic member comprises a spring 6 connected between the pushing plate 3 and the preliminary positioning plate 4, and the above-mentioned driving means is preferably a cylinder 7. In some embodiments of the present invention, the elastic member may also be an air spring, an elastic rubber body, or the like, and the driving device may also be a motor or the like.

Referring to fig. 4, the pushing plate 3 and the preliminary positioning plate 4 are both located in front of the baffle plate 2, the rear side of the preliminary positioning plate 4 should be parallel to the front side of the baffle plate 2, and the rear side of the preliminary positioning plate 4 and the front side of the baffle plate 2 are both generally set as a plane. In some aspects of the present invention, the rear side surface of the preliminary positioning plate 4 and the front side surface of the baffle plate 2 may be arc surfaces with a larger arc radius.

The working principle of the invention for positioning the iron core 9 is as follows: firstly, conveying a row of iron cores 9 to a feed chute 8 between a baffle plate 2 and a primary positioning plate 4, and enabling longer arc edges on the iron cores 9 to be positioned on one side where the baffle plate 2 is positioned; then the driving device works to drive the pushing plate 3 and the preliminary positioning plate 4 to move backwards together, when the preliminary positioning plate 4 is pressed against each iron core 9, the position of each iron core 9 can be adjusted, so that the edges on two sides of the front side surface of each iron core 9 are pressed against the preliminary positioning plate 4, the symmetry axis of each iron core 9 is approximately vertical to the corresponding preliminary positioning plate 4, and a V-shaped gap which is gradually narrowed from front to back is formed between every two adjacent iron cores 9; then, the pushing plate 3 continues to move backwards, the elastic element 6 is compressed, and the positioning projections 51 on the secondary positioning plate 5 are inserted into the gaps between the iron cores 9, so that the iron cores 9 can be positioned secondarily, and the position of the iron cores 9 is further finely adjusted, so that the size of the gaps between the iron cores 9 is kept basically consistent. After the iron core 9 is secondarily positioned, a specially-made clamp can be adopted, a row of insulating shells are clamped at one time and sleeved on the iron core 9, and the working efficiency is improved.

In order to facilitate insertion of the positioning projection 51 into the gap between the cores 9, the positioning projection 51 is tapered in width from its fixed end to its free end.

In the invention, a row of iron cores 9 are generally conveyed to a feeding groove 8 between the baffle plate and the pushing plate 2 by a conveyer belt or other devices, taking the conveying direction of the iron cores as the conveying direction from left to right as an example, in order to limit the conveyed iron cores 9, a limiting device such as a limiting stop or a limiting rod can be arranged between the left end of the baffle plate 2 and the left end of the primary positioning plate 4.

Further, the pushing plate 3 is attached to the base 1 through a guide mechanism capable of guiding forward and backward. Preferably, the guide mechanism includes a guide rail 11 provided on the base 1, and a slider 31 provided on the guide rail 11 and connected to the pushing plate 3. In some aspects of the present invention, the guiding mechanism may also be a guide post mechanism.

In order to guide the preliminary positioning plate 4, the pushing plate 3 is provided with a guide hole 32 capable of guiding forward and backward, the preliminary positioning plate 4 is connected with a guide rod 41 matched with the guide hole 32, the guide rod 41 penetrates through the guide hole 32, and the front end of the guide rod 41 is provided with a limit block 42 protruding out of the front side surface of the pushing plate 3. After the suit insulating casing on iron core 9, need loose preliminary locating plate 4 and bulldozing board 3, the in-process of unclamping, cylinder 7 drive bulldozing board 3 forward movement at first, after bulldozing board 3 and removing the position with stopper 42 butt, bulldoze board 3 and drive preliminary locating plate 4 and move forward together, loosen the iron core 9 that will compress tightly.

In this embodiment, the primary positioning plate 4 is slightly higher than the iron cores 9, and in order to enable the positioning projections 51 to be inserted into the gaps between the iron cores 9, the primary positioning plate 4 is provided with an avoiding groove 43 through which the secondary positioning plate 5 can pass.

The above is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. An iron core positioning mechanism, characterized in that it includes: base (1) with fixed set up in baffle (2) on base (1), the base on be provided with preliminary locating plate (4) that are located baffle (2) one side, preliminary locating plate (4), baffle (2) and base (1) between form a feed chute (8), preliminary locating plate (4) are driven by a drive arrangement to the iron core in baffle (2) sideslip in order to compress tightly feed chute (8), the base on still be provided with secondary locating plate (5), be provided with a plurality of locating lug (51) on secondary locating plate (5), secondary locating plate (5) are driven so that by a drive arrangement locating lug (51) can insert in feed chute (8).

2. The iron core positioning mechanism according to claim 1, wherein the base (1) is further provided with a pushing plate (3), the primary positioning plate (4) is arranged between the pushing plate (3) and the baffle (2), the primary positioning plate (4) and the pushing plate (3) are connected through a compressible elastic member (6), the secondary positioning plate (5) is mounted on the pushing plate (3), the primary positioning plate (4) and the secondary positioning plate (5) adopt the same driving device, and an output end of the driving device is connected with the pushing plate (3) and can drive the pushing plate (3) to approach to and leave away from the baffle (2).

3. A core positioning mechanism according to claim 1, wherein the positioning projection (51) tapers in width from its fixed end to its free end.

4. A core positioning mechanism according to claim 2, characterized in that the pushing plate (3) is mounted to the base (1) by means of a guide mechanism that can be guided back and forth.

5. A core positioning mechanism according to claim 4, characterized in that the guiding mechanism comprises a guide rail (11) arranged on the base (1) and a slide (31) arranged on the guide rail (11) and connected with the pushing plate (3).

6. The iron core positioning mechanism according to claim 4, wherein the pushing plate (3) is provided with a guide hole (32) capable of guiding forward and backward, the preliminary positioning plate (4) is connected with a guide rod (41) matched with the guide hole (32), the guide rod (41) passes through the guide hole (32), and a limiting block (42) protruding out of the front side surface of the pushing plate (3) is arranged at the front end of the guide rod (41).

7. The iron core positioning mechanism according to claim 2, wherein the primary positioning plate (4) is provided with an avoiding slot (43) for the secondary positioning plate (5) to pass through.