JPS6014764Y2 - Sliver unevenness control device in a drawing machine with multiple deliveries - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a sliver unevenness control device in a wire forming machine.

Conventionally, various devices have been developed that control sliver unevenness by rotating the draft roller of the sliver unevenness correcting section at variable speeds using a transmission device including a servo motor, but all of them are geared towards controlling sliver unevenness. be incorporated into the left and right gear boxes, or as shown in FIG. 6, the gear box 31 of the transmission
were attached to the left and right gear boxes 32.

Therefore, the left and right gearboxes become larger and occupy a larger space, which in turn has the disadvantage that cleaning and maintenance work at the rear of the machine becomes troublesome.

Further, as shown in FIG. 6, in a general wire forming machine, a conveying device T for empty cans C is provided below the part where the roller group is located, and the empty cans C are carried in from the rear of the machine base 33. Therefore, if the left and right gear boxes 32 become larger, or if the gear box 31 of the transmission device is attached to the left and right gear boxes 32 as shown in the figure, it becomes difficult to carry in the used empty cans C sent from the subsequent process. There was a drawback that the passage 34 became narrow and, as a result, various operations associated with carrying in the empty cans C could not be carried out safely.

In view of the above-mentioned drawbacks, the present invention has been developed to enable various operations related to the sliver machine base, including loading empty cans, to be carried out safely, and to provide a simple operation for sliver sliver non-uniformity control functions. This was done with the purpose of making it possible to change the machine freely, and its gist is that the gear train for driving the left and right creels is housed in the space behind the machine between adjacent left and right deliveries. A driving gear box is installed, a gear train serving as a means for transmitting the creel driving force of each delivery is housed in the gear box, and a transmission is installed in the creel driving gear box to be linked to the gear train.

Hereinafter, the present invention will be explained in more detail with reference to Examples.

In the following explanation, "the draft roller rotates at a constant speed" means that the rotation speed of the draft roller does not change when the sliver spinning speed is constant.The rotation speed of the draft roller itself does not change at all. It does not mean that.

Fig. 1 shows an example in which the present invention is applied to a two-delivery wire machine, and the configuration will be explained with reference to Fig. 2. The rotation of M causes the front draft roller 2, second draft roller 3. It is transmitted to the third draft roller 4.

Each draft roller 2, 3.4 rotates at a constant speed, and a sliver unevenness correcting section 6 is constituted by a third draft roller 4 and a back draft roller 5, which will be described later and rotates at a variable speed.

A known measuring device 7 for measuring the thickness of the sliver group A is attached to the upstream side of the backdraft roller 5.

Therefore, sliver unevenness can be corrected separately for left and right deliveries.

In addition, the rotation of the drive motor M is controlled by the gear box 1 on the right side.
The constant speed rotation of the input shaft 8 is transmitted via a gear train 9 to the input shaft 8 common to each delivery as a constant speed rotation, and the constant speed rotation of the input shaft 8 is transmitted to the first input of the differential gear device of each delivery via a gear train 9. axis 10
is transmitted as constant speed rotation.

On the other hand, the rotation of the servo motor S, whose rotation speed is automatically increased or decreased according to the measurement result of the thickness of the group of slivers A by the measuring device 7, is transmitted to the second input shaft 11 of the differential gear device. , within the differential gear device, each rotation of the first input shaft 10 and the second input shaft 11 is combined and transmitted to the output shaft 12.

A transmission device 13 using this differential gear device and a servo motor S
The transmission device 13 is configured such that the transmission device 13 is connected to the rear of the machine between the left and right deliveries (lifter roller 149, creel roller 15
．． 16 (near the drive unit).

Further, the rotation of the output shaft 12 of the differential gear device is controlled by the gear train 1.
The rotation of the lifter roller 14 is transmitted to the back draft roller 5 via a timing belt 18 or other appropriate power transmission means.

On the other hand, the rotation of the output shaft 12 of the differential gear device is caused by the rotation of the gear train 1
9 to the creel rollers 15, 16.

The gear train 9 of each delivery is a driving force transmission means of the drive motor M. Same 17. The same 19 is housed in a gear box 23 for driving the creel.

Next, with reference to FIGS. 1 to 3, sliver unevenness control by the automatic sliver unevenness control device having the above configuration will be briefly described.

First, the thickness of the sliver group A is measured by the measuring device 7, the result is transmitted to the control instruction device 20 by an electric signal, and if the thickness of the sliver group A is detected to be the set thickness, Since the correction signal 21 is not issued to the servo motor S, the servo motor S does not rotate, and therefore the rotation speed of the second input shaft 11 of the differential gear does not change.

Therefore, the first and second input shafts 10 of the differential gear
．． Since the rotation speed of the output shaft 12 which is rotated synthetically with the sliver unevenness correction section 6 remains unchanged, the rotation speed of the back draft roller 5 constituting the sliver unevenness correction section 6 does not change. 's draft rate remains unchanged.

On the other hand, when it is detected that the thickness of the sliver group A transmitted to the control instruction device 20 is different from the setting, the correction signal 21 is either formal or negative depending on whether it is thick or thin. is issued, and the rotation speed of the servo motor S increases or decreases in the positive or negative direction in proportion to the amount of sliver unevenness correction.

That is, if the thickness of the sliver group A is thicker than the set value, a negative correction signal 21 is issued to the servo motor S to reduce its rotation speed, and vice versa if it is thinner than the set value. .

The rotation speed of the first input shaft 10 of the differential gear device remains unchanged, but the rotation speed of the second input shaft 11 changes due to the positive or negative direction of the servo motor S or the increase or decrease in its rotation speed. The number of rotations of the output shaft 12, which is rotated synthetically by the first input shaft 10 and the second input shaft 11, changes accordingly. As the rotational speed changes, the draft rate of the sliver group A in the sliver unevenness correction section 6 changes.

In addition, if you want to disable the sliver unevenness control function, or if you want to operate the machine despite a failure of the sliver unevenness control device, the servo that makes up the transmission The motor S or the transmission may be removed and the gear 9a constituting the gear train 9 may be directly fixed to the output shaft 12 via a key or the like.

Therefore, a sliver unevenness control function can be easily incorporated into a wire stripping machine that does not have a sliver unevenness control function, and a sliver unevenness control function can be provided by easily incorporating a transmission. It can be made to have no unevenness control function, and furthermore, if the sliver unevenness control device breaks down for some reason, it can be used as a normal striation machine, so there is no need to stop production.

Another embodiment of the present invention is shown in FIG. 4, and only the differences from the previous embodiment will be explained.The rotation of the lifter roller 14 is controlled by the timing belt 18. The rotation of the third draft roller 4 is transmitted to the back draft roller 5 and the third draft roller 4 via the same 22, and the rotation of the third draft roller 4 is transmitted to the second draft roller 3 via a gear train in the gear box 1.

On the other hand, the rotation of the drive motor M is transmitted to the front draft roller 2 via a gear train in the gear box 1.

The other configurations are the same as in the previous embodiment.

Therefore, the front draft roller 2 rotates at a constant speed, and the rotation speed of each draft roller 3.4.5 except for the front draft roller 2 changes according to the amount of unevenness correction of the sliver group A. The sliver unevenness correction section 6 is composed of the second draft roller 3 and the second draft roller 3.

In each of the embodiments, as shown in FIG. Since a gear train and a transmission are housed in the gear box 23, the left and right delivery gear boxes 1 do not become large.

Therefore, the carry-in path 26 for the used empty cans C sent from the subsequent process is not narrowed, and the operator M can smoothly carry the empty cans C into the can transport device T as before.

Since the present invention has the above configuration, it has the following effects.

(1) The gearbox for each creel is installed in the space behind the machine between the adjacent left and right deliveries, and the gear train and transmission that are the driving force transmission means for each creel are housed within the gearbox. The loading path for empty cans is not narrowed, allowing empty cans to be loaded smoothly as before, without interfering with cleaning and maintenance work at the rear of each delivery machine, and in addition, the drive gear for the left and right creels By using a common box, the sliver unevenness control device can be further simplified in structure because it can be assembled in one place.

'(2) A sliver unevenness control function can be provided by simply incorporating a transmission into a wire stripping machine that does not have a sliver unevenness control function. It can be easily removed to make it without the sliver unevenness control function, and if the sliver unevenness control device breaks down for some reason, it can be used as a normal wire drawing machine, so there is no need to stop production. There is no.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a wire stripping machine equipped with a sliver unevenness control device according to an embodiment of the present invention, Fig. 2 is a partially cutaway view of the transmission, and Fig. 3 shows a control instruction system. The block diagram shown in FIG. 4 is a perspective view of a wire drawing machine equipped with a sliver unevenness control device of another embodiment, and FIG. The figure, side view, and FIG. 6A9 are a plan view and a side view, respectively, showing the installation position of a gear box 31 of a conventional transmission.

Claims (2)

[Scope of utility model registration request] (1) A transmission is composed of a differential gear device and a servo motor, and the rotation of the drive motor is transmitted to the draft roller, which rotates at a constant speed.The rotation of the output shaft of the differential gear device is transmitted to the draft roller, which rotates at a variable speed. In a sliver unevenness control device for a wire stripping machine equipped with multiple deliveries in which the sliver unevenness correcting section is configured with a draft roller that moves the sliver, a gear train for driving a creel is installed in the rear space between the deliveries on the machine base. A sliver unevenness control device for a wire-stretching machine equipped with a plurality of deliveries, characterized in that a gear box for driving a creel is provided, and the transmission device is installed in the gear box for driving a creel so as to be linked to the gear train. (2) A sliver non-uniformity control device for a wire-stretching machine equipped with a plurality of deliveries as set forth in claim 1, wherein the creel drive gear boxes for left and right deliveries are common.