CN211570855U

CN211570855U - Direct-drive inner rotor wire drawing machine

Info

Publication number: CN211570855U
Application number: CN201922262681.XU
Authority: CN
Inventors: 陈志淡; 陈卫国; 邹虎生; 顾贤初; 谢柄国; 陈崇斌; 卢尧尧; 叶荣成; 梁海立
Original assignee: Yanfeng Group Co Ltd
Current assignee: Yanfeng Group Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-25
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a directly drive inner rotor wire drawing machine belongs to plastics and weaves mechanical field, has solved the problem that carry over pinch rolls passes through drive belt or chain connection transmission inefficiency among the prior art, and the technical scheme who solves this problem mainly includes the frame and locates the carry over pinch rolls of frame, and the tip of carry over pinch rolls is equipped with the pivot, installs the stator in the frame, and the one end of pivot is stretched out the carry over pinch rolls and is equipped with the rotor, thereby the bearing assembly is passed through at the inside inner rotor motor that forms the drive carry over pinch rolls of stator in the both ends of rotor. The utility model discloses mainly used cancellation drive belt or chain drive improve transmission efficiency, and certain carry over pinch rolls loses the normal rotation that drive power can not influence other carry over pinch rolls moreover, reduces the influence of carry over pinch rolls trouble to production.

Description

Direct-drive inner rotor wire drawing machine

Technical Field

The utility model relates to a plastics weaving machine, especially a directly drive inner rotor wire drawing machine.

Background

Current wire drawing machine generally is equipped with 7 ~ 15 carry over pinch rolls, and driving motor drives a carry over pinch roll, and remaining carry over pinch roll passes through drive belt or chain connection transmission, and not only transmission noise is big, uses for a long time moreover, and the drive belt can be tensile to be lengthened, the wearing and tearing clearance of chain and sprocket can increase, leads to transmission efficiency to descend, just need shut down adjustment drive belt or chain tension at an interval of time. And after a certain traction roller breaks down and stops rotating, all traction rollers of the lower-level transmission stop rotating, and the machine must be stopped for maintenance at the moment, so that normal production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose provide a directly drive inner rotor wire drawing machine, do not need drive belt or chain drive, transmission efficiency is high, and certain carry over pinch rolls loses the normal rotation that drive power can not influence other carry over pinch rolls moreover, reduces the influence of carry over pinch rolls trouble to production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: directly drive inner rotor wire drawing machine, including the frame with locate the carry over pinch rolls of frame, the tip of carry over pinch rolls is equipped with the pivot, installs the stator in the frame, the one end of pivot is stretched out the carry over pinch rolls and is equipped with the rotor, thereby the both ends of rotor pass through the bearing assembly and form the inner rotor motor of drive carry over pinch rolls inside the stator.

Further, the rotor is axially positioned inside the stator by a bearing.

Furthermore, the peripheral side surfaces of the two ends of the rotor are provided with first steps, and the inner ring of the bearing abuts against the first steps to axially position the rotor.

Furthermore, the frame includes the curb plate, and the carry over pinch rolls is located the inboard of curb plate, and the stator is fixed in the outside of curb plate, and the curb plate forms an end cover of inner rotor motor, and the curb plate supports the outer lane of one of them bearing.

Furthermore, a positioning hole is formed in the side plate, and a positioning protrusion inserted into the positioning hole to be matched with the positioning hole is arranged at the end of the stator.

Further, the other end of the stator is provided with an outer end cover, and the outer end cover abuts against the outer ring of the other bearing.

Furthermore, a shaft shoulder is arranged on the rotating shaft, one end of the rotor is abutted to the shaft shoulder for positioning, and the other end of the rotor extends out of the outer end cover and is connected with the rotating shaft through a nut to realize positioning.

Further, the shaft shoulder is located on the inner side of the side plate, and one end of the rotor penetrates through the side plate.

After the technical scheme is adopted, the utility model has the advantages of as follows: an inner rotor motor is formed at the end part of each traction roller, the motor structure is simplified, each traction roller is independently controlled and driven, a transmission belt or chain transmission is not needed, the transmission efficiency is greatly improved, and the rotating speed of each traction roller can be accurately controlled, so that the traction force of each traction roller on the plastic flat wire is accurately controlled, and the traction and stretching effects on the plastic flat wire can be improved; after the inner rotor motor of a certain carry over pinch rolls breaks down, the rotation of other carry over pinch rolls can not be influenced, the machine can also be produced normally, and the inner rotor motor of the trouble can be overhauled, changed without stopping.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic view of a direct-drive inner rotor wire drawing machine of the present invention;

fig. 2 is a schematic view of the end of the pulling roll of the present invention.

Detailed Description

As shown in fig. 1, the utility model provides a directly drive inner rotor wire drawing machine, including frame 1 and the carry over pinch rolls 2 of locating frame 1, combine fig. 2 to see, the tip of carry over pinch rolls 2 is equipped with pivot 21, installs stator 3 in the frame 1, and the one end of pivot 21 stretches out carry over pinch rolls 2 and is equipped with rotor 4, thereby the bearing 5 assembly is passed through at the inside inner rotor motor that forms drive carry over pinch rolls 2 of stator 3 at the both ends of rotor 4. The utility model discloses form the inner rotor motor at the tip of carry over pinch rolls 2, the motor structure is simplified, and the drive is controlled alone to every carry over pinch rolls 2, no longer needs drive belt or chain drive, and transmission efficiency improves greatly, and the rotational speed of every carry over pinch rolls 2 can accurate control to the traction force of every carry over pinch rolls 2 to the plastics ribbon yarn, can improve the tensile effect of pulling to the plastics ribbon yarn; after the inner rotor motor of a certain traction roller 2 breaks down, the rotation of other traction rollers 2 can not be influenced, the machine can also be normally produced, and the inner rotor motor which breaks down can be overhauled and replaced without stopping.

To simplify the structure and facilitate assembly, in this embodiment the rotor 4 is positioned axially inside the stator 3 by means of bearings 5. The specific structure may be that the outer peripheral side surfaces of both ends of the rotor 4 are provided with first steps 41, and the inner ring of the bearing 5 abuts against the first steps 41 to axially position the rotor 4. Instead of axial positioning by means of the bearing 5, it is also possible to use conventional parts such as snap springs.

For the convenience assembles and overhauls interior rotor motor, also for simplifying the structure of inner rotor motor simultaneously, frame 1 includes curb plate 11, and carry over pinch rolls 2 is located the inboard of curb plate 11, and stator 3 is fixed in the outside of curb plate 11, is equivalent to inner rotor motor and is located the outside of curb plate 11, can let curb plate 11 form an end cover of inner rotor motor, and curb plate 11 supports the outer lane of one of them bearing 5.

To improve the convenience and stability of the assembly of the stator 3, a positioning hole 111 may be provided on the side plate 11, and a positioning protrusion 31 inserted into the positioning hole 111 to be engaged with the end portion of the stator 3 may be provided. Before fixing, the positioning boss 31 is engaged with the positioning hole 111, the stator 3 can be pre-positioned, thereby improving the assembly efficiency, and after fixing, the positioning boss 31 is engaged with the positioning hole 111, and can bear part of the impact force, thereby improving the stability.

In addition, in order to effectively prevent dust in the gap between the rotor 4 and the stator 3, an outer end cover 6 may be disposed at the other end of the stator 3, and the outer end cover 6 abuts against the outer ring of the other bearing 5.

Considering that the axial positioning strength of the bearing 5 is limited, a shaft shoulder 211 may be provided on the rotating shaft 21, one end of the rotor 4 is positioned against the shaft shoulder 211, and the other end of the rotor 4 extends out of the outer end cap 6 and is connected with the rotating shaft 21 through a nut 7 to realize positioning. The other end of the rotor 4 extends out of the outer end cover 6 to promote heat dissipation of the rotor 4. To further improve the heat dissipation effect of the rotor 4, the shoulder 211 may be located inside the side plate 11, and one end of the rotor 4 penetrates through the side plate 11, so that both ends of the rotor 4 are exposed to the outside and contact with the air.

It is understood that the rotor 4 generally includes a rotor core and a rotor winding, the above-mentioned structure disposed on the rotor 4 and the structure assembled with the rotor 4 are both disposed on the rotor core and assembled with the rotor core, and the two ends of the rotor 4 are exposed to the outside, which means that the rotor core is exposed to the outside.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims

1. Directly drive inner rotor wire drawing machine, including the frame with locate the carry over pinch rolls of frame, the tip of carry over pinch rolls is equipped with the pivot, its characterized in that, install the stator in the frame, the one end of pivot is stretched out the carry over pinch rolls and is equipped with the rotor, thereby the both ends of rotor pass through the bearing assembly and form the inner rotor motor of drive carry over pinch rolls inside the stator.

2. The direct drive inner rotor wire drawing machine of claim 1 wherein the rotor is positioned axially inside the stator by a bearing.

3. The direct-drive inner rotor wire drawing machine as claimed in claim 2, wherein the peripheral side surfaces of the two ends of the rotor are provided with first steps, and the inner ring of the bearing abuts against the first steps to axially position the rotor.

4. The direct-drive inner rotor wire drawing machine as claimed in claim 1, 2 or 3, wherein the frame includes side plates, the traction roller is located inside the side plates, the stator is fixed outside the side plates, the side plates form an end cap of the inner rotor motor, and the side plates abut against an outer ring of one of the bearings.

5. The direct-drive inner rotor wire drawing machine as claimed in claim 4, wherein the side plate is provided with a positioning hole, and the end of the stator is provided with a positioning protrusion inserted into the positioning hole for matching.

6. The direct-drive inner rotor wire drawing machine as claimed in claim 4, wherein the other end of the stator is provided with an outer end cap, and the outer end cap abuts against an outer ring of another bearing.

7. The direct-drive inner rotor wire drawing machine as claimed in claim 6, wherein the shaft is provided with a shoulder, one end of the rotor is positioned against the shoulder, and the other end of the rotor extends out of the outer end cover and is connected with the shaft through a nut to realize positioning.

8. The direct drive inner rotor wire drawing machine of claim 7 wherein the shoulder is located inboard of the side plate through which one end of the rotor passes.