JPS6245730A - Apparatus for cleaning front bottom roller of fine spinning frame - Google Patents

Abstract

PURPOSE:To remove various long or short fibers wound round or attached to a flute of a front bottom roller, by oscillating an edge of an elastic sheet and striking the flute intermittently with the edge. CONSTITUTION:Oscillation arms 6 are fixed to both ends of the ribbon-like main body 2 attached with an elastic sheet 1. The oscillation arm is furnished with an oscillation pin 26, 27 through a twisting spring 24, 25 and the oscillation pin is fixed to the roller stand 32 of a fine spinning frame. The cam roller 15 attached to the middle part of the main body is made to contact with the middle roller 35, and the main body 2 is oscillated by the rotation of the eccentric cam roller 15. The edge 38 of the elastic sheet 1 is made to contact intermittently with the roller 37 to effect the intermittent striking of the flute with the edge of the elastic sheet.

Description

[Detailed description of the invention] The invention is based on the industrial field of application.
This invention relates to a cleaning device for front bottom rollers whose purpose is to automatically remove deposits such as short fibers and pure blood.

BACKGROUND ART Conventionally, draft rollers of spinning machines, particularly front bottom rollers (hereinafter referred to as rollers), are heavily contaminated with honeydew, oil, etc., causing long and short fibers to become wrapped around them. Furthermore, it causes various problems such as yarn quality and operational issues such as generation of yarn fuzz and yarn breakage, and maintenance problems such as increased cleaning man-hours due to false removal of wrapping and deposits. be.

Therefore, various devices have been proposed to solve this problem.

For example, there is a device that presses an elastic body against the front bottom roller, as described in Japanese Unexamined Utility Model Publication No. 49-SS016.

However, in this invention, since the elastic body is in continuous contact with the opening, the life of the elastic body is not only shortened, but also the operating power of the spinning machine increases, and the removed deposits are There is a problem when it is attached to the back side of the elastic body.

Furthermore, when the contact portion of the elastic body with the roller is round as described in Japanese Utility Model Application Publication No. 54-48132, there is a problem that the ability to remove deposits is poor.

Furthermore, there is a method of bringing an elastic body into contact with a roller intermittently, as described in Japanese Utility Model Application Publication No. 59-51076. This idea involves attaching an elastic body to one end of a leaf spring attached to the roller stand of a spinning machine, and using the force of the leaf spring to press the elastic body against all the rollers.At the same time, a cam follower is brought into contact with a projection provided on the middle roller. This allows intermittent interlocking to occur. However, the above-mentioned device has a problem in that due to the contact between the roller and the elastic body, a large bending moment is transmitted to the main body to which the elastic body is attached, and the leaf spring is completely bent, making intermittent motion completely impossible.

Means for Solving the Problems The present invention ψj can completely eliminate the conventional rLJ illumination points mentioned above, and it is possible to completely eliminate the illumination points of the conventional rLJ mentioned above.
The swing arm attached to one end of the swing pin fixed to the roller stand of the stacker is fixed via a full torsion spring, and the cam roller facing approximately the center of the main body is brought into contact with the middle roller: As a result, the generated oscillating motion is caused to occur on the elastic sheet around the oscillating pin, and the roller is intermittently stamped on the elastic sheet, which reduces wear on the elastic sheet and automatically removes deposits. It was designed to remove them.

Example Hereinafter, one embodiment of the present invention will be described based on all the drawings.

1 and 2 are an exploded assembly view and an assembled perspective view of a front bottom roller cleaning device for a spinning machine, showing an embodiment of the present invention.

In the figure, reference numeral 1 denotes an elastic material sort, which is made of a rubber plate made of synthetic rubber, such as neoprene rubber, with a thickness of about 2 ml and a hardness of about 60°. This elastic sheet 1 is glued between the belt-shaped main body 2 and the sheet holding plate 3.
for example, about 15 ru from the main body.
It stands out. A swinging arm 6.6 formed of a band is fixed to both ends of the main body 20, and this swinging arm 6 has a bearing hole 5 at one end and a 90° angle at a position near the main body at the other end.
Bolt holes 7 and 8 are provided at the front and rear of the twisted portion, and into the bolt holes 7 and 8, the mound is fixed with angle-shaped positioning screws 9 and 10, respectively, and nuts 11 and 12. There is.

Further, a bracket 14 having an elongated hole 13 is completely fixed to approximately the center of the main body 2, and a cam roller 15 is attached to the bracket 14 with a shaft 16, a disc spring washer 17, a thrust washer 18, a liner 19, a flat washer 20, and a nut. It is attached by 21. The cam roller 15 is made of a disc made of synthetic resin, for example nylon, and has a Q IJ song 2 made of rubber fitted into a groove provided on its outer periphery. Further, a shaft through hole 23 is provided in the cam roller 15 so as to be eccentric (for example, about 3 u), so that the cam roller 15 can be oscillated.

Further, in the bearing hole 5 provided at the tip of the swing arm 6, torsion springs 24, 25t and swing pins 26.2 are respectively inserted.
7t-inserted, each bent part 30.31 of the arm 28.28 of the torsion spring is hooked on the underside of the swinging arm 6.6 to clean the bottom roller of the spinning machine of the invention as shown in FIG. Configure the device. By the way, the above-mentioned swing pin 26.2
Brackets for fixing roller stands each having an elongated hole are fixed to appropriate positions on the upper surfaces of the rollers 7.

Next, FIG. 3 is a side view showing the state in which the roller cleaning device is attached to a spinning machine when used.〇 Swing pin 26.2
7 is fixed to the roller stand 32 with screws. One arm 29.29 of the torsion spring 24.25 is twisted in the direction 1 to tighten the coil of the torsion spring, and its bend O, 34
It is attached by hanging it on the roller stand 32. By the way, the surface 36 of the roller stand to which the swing pins 26 and 27 are attached is usually a dust-proof surface in most cases, so the swing pins 26 and 27 can be leveled with the roller 37. In many cases, there is no roller 3 of the elastic sheet 1.
The end curve 38 that contacts the roller 7 often does not contact the roller uniformly.1 In this case, when the nut 11 of the positioning screw 9 is properly tightened, the swinging arm 6 is bent and the end σ of the elastic sheet is
The parallelism between 1138 and roller 37 is ensured.
The main body 2 with a length of 420 mm is installed between adjacent roller stands with a spacing of 422 M, but if the surface angle between the swing arm 6 and the main body 2 is incorrect, either side end of the main body 2 will be attached to the roller stand 32. will come into contact. At this time as well, positioning screw 1
By appropriately tightening the nuts 12, the gaps between the roller stand 32 and both ends of the main body 2 can be maintained evenly.

Next, the cam roller 15 is brought into contact with the middle bottom roller 35. By moving the position of the cam roller back and forth, the position of the cam roller 15 is adjusted so that it comes into contact with not only the seven-united part 39 of the end face lifting roller 37 of the elastic sheet 1 but also the stepped part 40.

By the way, FIG. 4 shows another embodiment of the present invention, in which ears 11 having a length of about 3 meters and a height of about 3 meters are provided at both ends of the elastic sheet 1. In this case, it is particularly effective in removing deposits wrapped around the roller neck. It should be noted that if the elastic sheet 1 is separated at the position A near both ends thereof, the above-mentioned ear flaps 5 can be easily processed.

Operation Since the present invention is constructed as described above, when the middle bottom roller 35 rotates as the spinning machine operates, the cam roller 15, which is pressed against it by a torsion spring blade, rotates in a clockwise direction. Since the rotation center of the cam roller 150 is eccentric, the main body 2 swings around the swing pin 26y27'.

Therefore, the end surface 38 of the elastic sheet 1 comes into contact with the roller 37 intermittently, and the end surface 38 of the elastic sheet 1 contacts the roller 37 intermittently.
It gets caught in the reut and vibrates. That is, by vibrating and intermittently hitting the seven-unit end face, windings and deposits of long and short fibers are completely automatically removed.

Effects of invention 1! Since the li has the above structure, the end surface of the elastic sheet lifts and intermittently hits the 7 lutes of the front bottom roller, so that the windings of various long and short fibers attached to the 7 leutes are Sticks and deposits can be automatically removed. In addition, since the end surface of the elastic sheet hits the 7 unit part with a strong impact, it is more effective in removing deposits, and since the stamping is done intermittently, it uses less electricity. has.

Furthermore, unlike conventional leaf springs, the swinging arm can be provided with sufficient rigidity, ensuring accurate intermittent movement without bending the arm. Therefore, 4.1 As a result of accurate intermittent movement, the removed deposits will not adhere to the back side of the bullet body sheet. Furthermore, by providing a positioning screw with a chevron-shaped head on the swing arm, this invention has various effects such as being able to adjust the parallelism very easily when it is attached to a roller stand of a spinning machine.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a front bottom roller cleaning device for a spinning machine showing one embodiment of the present invention, FIG.
11 and FIG. 4 are partially enlarged perspective views showing an example of thinning and showing how the elastic sheet is attached.

Claims (3)

[Claims] (1) A swing arm having a bearing at one end is fixed to both sides of a belt-shaped main body to which an elastic sheet is attached, a bracket is fixed to the approximate center of the main body, and a rotatable cam roller is attached to the bracket. A front bottom roller cleaning device for a spinning machine, characterized in that the front bottom roller cleaning device for a spinning machine is installed so as to be adjustable in position, and further includes a swing pin fixed to a roller stand of the spinning machine via a torsion spring to the bearing portion of the swing arm. (2) A front bottom roller cleaning device for a spinning machine according to claim 1, wherein the shaft through hole of the cam roller is eccentrically provided. (3) The spinning machine according to claim 1, wherein the swinging arm is twisted at approximately 90 degrees near the main body attachment part, and positioning screws and nuts for position adjustment are attached before and after the twisted part. Front bottom roller cleaning device.