JPH0713329B2 - Spindle drive for spinning machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a spindle driving device in a spinning machine such as a spinning machine or a twisting machine having a large number of spindles arranged in parallel on both sides of a machine base.

[Conventional technology]

As a spindle driving device in a spinning machine, for example, as shown in Japanese Utility Model Publication No. 59-5742, a plurality of chin pulleys are provided at regular intervals at appropriate positions on a drive shaft that penetrates the lower center of the machine base in the longitudinal direction. It is known that a total of four spindles, two spindles on each side, which are close to the chin pulley, are wound endlessly with a single tape via a jug pulley and driven. As another method, for example, the third method
As shown in the figure, for the spindle 1 on all sides of the machine base,
Contact one belt 2 running in the longitudinal direction of the machine base,
A so-called tangential system in which the motors 3 are driven simultaneously is also known.

[Problems to be solved by the invention]

The former method has the advantage that less power is required because both pulleys and tapes can be made lighter, but since there is a chin pulley or jug pulley over the entire length in the center of the lower part of the machine base, air circulation in that part Becomes defective,
There is a tendency that cotton wool accumulates on the mounting bracket of each pulley, which jumps into the yarn being spun, causing yarn breakage and degrading quality. On the other hand, in the case of the latter method, although the above-mentioned drawbacks of the chin pulley method are eliminated, in the relationship that the spindle of at least one full weight is driven by tangential contact with one belt over the entire length of the machine base, It is necessary to keep the pressure contact with the spindle considerably high, and therefore the tension applied to the belt also becomes large. For this reason, the belt has to have a large width and a large thickness so as to be able to withstand it, and must be made to be sturdy, and there is a drawback that the weight and the wind loss are large and the required power is increased.

[Means for solving problems]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and aims to provide a spindle drive device which takes advantage of the tangential system and has a simple structure and requires less power. Is.

That is, the present invention relates to a spinning machine in which a plurality of spindles are provided in parallel on both sides of the machine base in the longitudinal direction, and the spindles are divided into a plurality of groups by a predetermined number of spindles for each spindle on one side in the machine machine longitudinal direction according to the arrangement order. The motor is divided into two spindle groups, one motor is disposed in the middle of the two spindle groups, and two endless belts are tangentially contacted with each spindle group on a common pulley attached to the shaft of the motor. Thus, the spindle drive device is characterized in that the spindles of the respective groups are endlessly wound and driven to rotate in the same direction.

[Embodiment 1] FIG. 1 shows a first embodiment of the present invention, in which two groups of spindles 21a and 21'a provided on one side of a spinning machine are provided as one motor 23.
Driven by a, another two groups of spindles 21 provided on the other side 21
The motors b, 21'b are driven by another motor 23b. That is, when focusing on the spindle group 21a on the upper side of the drawing, three edge pulleys 24a, 25a, 26a are arranged close to the motor 23a provided near the machine frame in the boundary region of the group, while An edge pulley 27a is provided on the machine frame in the other end area. For the spindle group 21a, the motor pulley 3 attached to the shaft 30 of the motor 23a
1a is wound around the edge pulley 24a, tangentially touches each spindle group 21a, and is wound around the edge pulley 27a, and the direction is changed by 180 °, and returns to the motor 23a. Is provided with an endless belt 32a (shown by a solid line). For the spindle 21'a, the shaft of the motor 23 is connected to the pulley 31a.
Is wound around a motor pulley 31'a mounted in the same manner as described above, extends through the common edge pulley 24a, extends in the direction opposite to the belt 32a, contacts the spindle group 21'a tangentially, and further corresponds to the edge pulley 27a. It is wound around a rotating pulley (not shown), changes its direction by 180 °, returns to the motor 23a, and returns to the motor pulley 3 via the edge pulley 26a.
There is provided an endless belt 32'a (shown in phantom) which contacts 1'a. A motor 23b is similarly provided for the spindle row shown in the lower part of the figure, and two spindle groups 21b and 21'b on both sides of the motor 23b are driven by two belts.

Also in this example, the contact pulley 33 is provided to ensure the contact pressure between the belt and the spindle. The edge pulley 27 provided at the end is commonly used for the belts of other adjacent spindle groups.

FIG. 2 shows another embodiment of the present invention. In this example, with respect to the motor pulleys 61a, 61b attached to the shaft 61 of one motor 53a, the endless belts 52a, 52b in contact with a predetermined number of spindle groups 51a, 51b on one side,
It is wound via edge pulleys 54a, 55a, 56a; 54b, 55b, 56b. The edge pulleys 54a, 54b; 56a, 56b are commonly used for belts of other adjacent spindles.

〔The invention's effect〕

As described above in detail, according to the present invention, the spindle of the spinning machine is divided into groups having an appropriate number of spindles for each spindle on one side in the longitudinal direction of the machine base, and two groups are respectively divided into one group by one motor.
Since the belt is driven in the tangential direction, the weight of one belt is light and the wind loss is small, so that the power consumption of the motor can be reduced. By properly selecting the number of spindles in one group, it is possible to minimize the overall power consumption while enjoying the advantages of the tangential system.

Furthermore, each belt has a structure that drives only one spindle in the machine longitudinal direction.Therefore, when installing the machine base or replacing the belt, there is a belt on only one side of the machine base. A person can easily put the belt on the spindle.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of the present invention, FIG. 2 is a plan view of a second embodiment of the present invention, and FIG. 3 is a plan view showing a conventional spindle drive system using a tangential belt. . 1; 21a, 21'a, 21b, 21'b; 51a, 51b ... spindle 2; 32a, 32'a; 52a, 52b ...... belt 3; 23a, 23b; 53a ...... motor 31a, 31'a; 61a, 61b …… Motor pulley 24a, 25a, 26a, 27a; 54a, 55a, 56a; 54b, 55b, 56b …… Edge pulley 33 …… Contact pulley

Claims (1)

[Claims] 1. A spinning machine in which a plurality of spindles are provided in parallel on both sides of a machine base in a longitudinal direction, and the spindles are divided into a plurality of groups with a predetermined number of spindles for each spindle on one side in the machine machine longitudinal direction according to an arrangement order. The motor is divided into two spindle groups, one motor is disposed in the middle of the two spindle groups, and two endless belts are tangentially contacted with each spindle group on a common pulley attached to the shaft of the motor. A spindle driving device characterized in that the spindles of each group are rotationally driven in the same direction by endlessly winding.