JPH04123268U - Gauge adjustment mechanism in draft equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To obtain a gauge adjustment mechanism for a draft device that can easily adjust and change the gauge between draft rollers in the draft device as needed. [Structure] A roller shaft support member that individually supports the roller shaft of each top roller located behind the second top roller on which the apron band is mounted is movably attached to the side plate of the cradle. By moving the draft device back and forth, the gauge between the rollers can be changed and adjusted.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a gauge adjustment mechanism in a draft device.

0002

[Conventional technology]

In the drafting device of a spinning machine, the gauge is adjusted according to the fiber length of the supplied fiber. In other words, it is necessary to change the pitch between the front and rear draft rollers. especially natural fibers The fiber length of fibers and barrier-cut synthetic fibers is uneven, so the gauge Adjustment is extremely important, and unless you can change it in 1mm increments, it will be difficult to obtain a homogeneous thread. be.

0003 However, in conventional draft devices, the size supporting each draft roller is The gauge could not be changed without replacing the dowel plate.

0004 For example, back roller pair 1, third roller pair 2, and second roller pair 3 shown in FIG. , In a four-wire draft device consisting of four pairs of front rollers, the back top row Ra 1a, third top roller 2a, second top roller 3a, front top As shown in FIG. 2, the side plate 6 of the cradle 5 that supports the roller 4a is A recessed part 7 into which the shaft of the back top roller 1a is inserted and supported, and a third top roller 2a A recessed part 8 into which the shaft of the second top roller 3a is inserted and supported, and a recess into which the shaft of the second top roller 3a is inserted and supported It has a cutout 9 and a recessed cutout 10 into which the shaft of the front top roller 4a is inserted and supported. 11 is the tensa top 13 of the apron band 12 mounted on the second top roller 3a This is a recessed part into which a tensa bar that supports is inserted.

[0005] Therefore, the gauges of back roller pair 1 and third roller pair 2, and the gauges of back roller pair 1 and third roller pair 2 and the second roller pair 3 will not change as long as this side plate 6 is used. When changing the gauge, remove the side plate from cradle 5. 6 and replace it with a separately prepared side plate with the desired gauge. I didn't get it. Therefore, we have prepared many side plates with a wide variety of gauges. Not only do they have to be kept, but they also require extra space to store and are extremely difficult to manage. It was quite a hassle.

[0006]

[Problem that the idea aims to solve]

This idea allows the gauge between the draft rollers to be easily adjusted and changed as necessary. The purpose of the present invention is to obtain a gauge adjustment mechanism for a draft device that can perform the following.

[0007]

[Means to solve the problem]

Each top located behind the second top roller equipped with an apron band The roller shaft support members that support the individual roller shafts of the rollers are attached to the side plate of the cradle. The roller shaft support member is movably attached to the draft device in the front and back direction of the draft device. By moving it, the gauge between the rollers can be changed and adjusted.

[0008]

[Effect]

Loosen the mounting screw and move the roller shaft support member attached to the side plate. By doing this, you can adjust the gauge between the draft rollers to the desired gauge. I can do it.

[0009]

【Example】

Taking the case of a 4-wire draft device as an example, an example of this invention will be described below along with drawings. explain.

0010 As shown in FIG. 1, the side plate 15 of the present invention is attached to the shaft of the back top roller 1a. and a common notch by cutting out the shaft attachment part of the third top roller 2b. 16, and a plurality of screw holes 17 are provided in the upper part thereof. and second top A recessed part 9 into which the shaft of the roller 3a is inserted and supported, into which the shaft of the front top roller 4a is inserted. The configurations of the supporting recessed part 10 and the recessed part 11 into which the tensa bar is inserted are different from conventional ones. However, there is no such thing. Therefore, the same numbers are assigned to the same recessed portions.

[0011] The top roller roller shaft support member 18 is attached to the top roller roller shaft support member 18 as shown in FIG. It is provided with a recessed part 19 into which a shaft is inserted and supported, and a flange part 20 thereof has a slot extending in the front and rear direction. It has 21 lit. Note that the front and back direction here refers to the direction from the back roller to the front. Refers to the direction in which the rollers are lined up against each other, with the back roller side facing backwards and the front roller side facing backwards. Let be the front.

0012 As shown in FIG. 3, the roller supporting member 18 16, and insert them into the screw holes 17 on the side plate 15 through their respective slits 21. It is firmly fixed by screwing together the screw 22, and is secured by the roller shaft support member 18a. A recessed part 19a into which the shaft of the back top roller 1a is inserted and supported, and a roller shaft support member 18b The recessed part 19b into which the shaft of the third top roller 2a is fitted and supported is the side plate. Formed on 15. The length of the slit 21 of each roller shaft support member 18a, 18b is The pitch is set longer than the pitch between the two screws 22 that fix 18a and 18b, and as a result , by loosening the screws 22, each roller shaft support member 18a, 18b can be moved back and forth. It has become so.

[0013] Therefore, now, between the second top roller 3a and the third top roller 2a, gauge, and between the third top roller 2a and the back top roller 1a. When it becomes necessary to change or adjust the gauge of the roller shaft support member, loosen screw 22 and remove the roller shaft support member. By moving 18a and 18b along the slit 21 to the right or left in the figure, the desired shape is obtained. This side plate allows for easy and quick changes and adjustments to the gauge 15 Draft equipment with the required gauge by attaching it to the cradle 5. location can be easily obtained.

[0014] In addition, in the above embodiment, the case of a four-wire draft device was explained as an example, but It is not necessarily limited to a 4-wire draft device, for example, a 3-wire draft device. In some cases, the side plate of the cradle of the draft device also has a back top. A large notch is provided at the attachment site of the roller shaft, and the notch shown in Fig. 2 is provided in the notch. A recess into which one roller shaft support member 18 is attached and the shaft of the back top roller is inserted and supported. By forming a cutout and making it movable, it can be used in a 3-wire draft device. The gauges of the second top roller and back top roller can be easily changed and adjusted. can be done. Also, in various draft devices such as 5-wire draft devices, By having the same configuration, it is possible to easily change and adjust the gauge between the rollers. Of course.

[0015]

[Effect of the idea]

As described in detail above, the gauge adjustment mechanism in the draft device of the present invention is Each top row located behind the second top roller equipped with a prong band. The roller shaft support members that individually support the roller shafts of the cradle are attached to the side plate of the cradle. The roller shaft support member is movably attached to the draft device, and the roller shaft support member is moved in the front and back direction of the draft device. By doing this, the gauge between the rollers can be changed and adjusted. Loosen the screw on the roller shaft support member attached to the plate and place it on the roller shaft support member. By moving along the slit, adjust the gauge between the draft rollers to the desired gauge. The size can be adjusted from the cradle each time the gauge is changed, unlike the conventional method. The side plate must be removed and replaced with a side plate with the required gauge. As a result, a large number of side plates with a wide variety of gauges are available. There is no need for storage or management, and gauge changes can be made accurately, quickly and easily. I was able to

[Brief explanation of drawings]

FIG. 1 is a perspective view of a side plate used in the present invention.

FIG. 2 is a perspective view of the roller shaft support member same as above.

FIG. 3 is a perspective view showing a state in which a roller shaft support member is attached to the side plate.

FIG. 4 is a perspective view of a conventional four-wire draft device.

FIG. 5 is a perspective view of a conventional side plate.

[Explanation of symbols]

5 Cradle 6,15 side plate 7, 8, 9, 10, 11, 19, 19a, 19b recessed part 16 Notch 18, 18a, 18b Roller shaft support member 21 slit

Claims (1)

[Scope of utility model registration request] Claim 1: A roller shaft support member for individually supporting the roller shaft of each top roller located behind a second top roller on which an apron band is mounted is movably attached to a side plate of a cradle, and the roller shaft support member is movably attached to a side plate of a cradle. A gauge adjustment mechanism in a draft device that allows the gauge between rollers to be changed and adjusted by moving a member in the front-back direction of the draft device.