CN100564627C - A kind of high usage rubber roll that is used for drafting device for spinning machine - Google Patents

Abstract

A kind of high usage rubber roll that is used for drafting device for spinning machine belongs to textile technology field, is used to solve the rubber roll body because of the low problem of wearing and tearing utilization rate.Its technical scheme is: comprise rubber roll body and rubber roller in the formation, rubber roll body symmetry is installed in the rubber roller two ends, is provided with bearing in the rubber roll body, the rubber roller middle part is for gripping shelves, the reel cage card frame place of its corresponding drafting system, after the improvement, rubber roll is adjustable with respect to the axial location of card frame.The present invention has enlarged the drawing-off traverse of rubber roll surface, has improved the rubber roll utilization rate, has prolonged rubber roll service life and fabrication cycle.In addition, the rubber roll surface is after adjusting the traverse position, and its elastic hardness can obtain filling the alleviation and the answer of part, helps improving yarn quality.The present invention is skillfully constructed, simple in structure, be easy to realize.

Description

A High Utilization Rubber Roller for Drafting Device of Spinning Machine

technical field

The invention relates to a textile machine part, in particular to a rubber roller used for a drafting device of a spinning machine, and belongs to the technical field of textiles.

Background technique

The function of the spinning frame in the spinning process is to draft the roving, that is, through the rubber rollers and rollers of different speeds in the drafting device, the roving fibers are evenly and stably drawn and thinned, and then spun into spun yarns through winding and twisting. The front, middle and rear areas of the cradle of the drafting device are respectively equipped with front and rear rubber rollers and upper pins. At present, in the drafting device of the spinning frame, the installation positions of the rubber rollers on the cradle are all fixed, and there can only be one fixed fiber drafting channel during work, that is, the so-called one stroke. The structure of the one-stroke rubber roller is shown in Figure 4: two rubber roller bodies 1 are installed on both ends of the rubber roller shaft 3, and the holding gear 3-1 in the middle of the rubber roller shaft is symmetrically provided with a limit platform 4 on both sides, and the limit platform is opposite to the rubber roller. The axial installation position of the roller shaft forms a limit. During the drafting process of the cots with this structure, the yarn is always in contact with the cots at the same position (middle position), which causes the middle surface of the cots to quickly produce stroke grooves, so the cots work for a period of time. It must be repaired and ground, and the surface of the rubber roller can be used normally after grinding. Especially the front rubber roller which bears the largest friction force of the yarn fiber, the rubber roller body will be repaired in a short time under the action of a large friction force, and the entire rubber roller will be repaired due to local wear and tear. This phenomenon is neither Reasonable, but also greatly shorten the service life of the rubber roller, and increase the maintenance time.

Contents of the invention

The invention overcomes the defects of the prior art and provides a rubber roller with high utilization rate for the drafting device of the spinning machine whose service life is prolonged by changing the holding position of the rubber roller.

The technical solution adopted to solve the above problems is as follows:

A high-utilization cot used in the drafting device of a spinning machine, including a cot body and a cot shaft, the cot body is symmetrically installed at both ends of the cot shaft, bearings are arranged in the cot body, and the middle part of the cot shaft is The holding position corresponds to the cradle frame of the drafting device, and the axial position of the rubber roller body relative to the frame along the axis of the rubber roller is adjustable.

For the above-mentioned high-utilization rubber roller used in the drafting device of the spinning machine, the axial position of the rubber roller can be adjusted by setting an adjustment collar at the holding position.

For the above-mentioned high-utility rubber roller used in the drafting device of the spinning machine, the number of the adjustment collars is 2 to 6, and the adjustment collars are provided with an opening groove 2-1, and the inner diameter of the adjustment collars is in line with the grip The shaft diameter of the holding position is matched, and the width of the collar is adjusted to 3-6 mm.

For the above-mentioned high-utilization rubber roller used in the drafting device of the spinning machine, the two ends of the holding bracket are symmetrically provided with limiting platforms 4, and the length between the two limiting platforms is 22-28 mm.

For the above-mentioned high-utility rubber roller used in the drafting device of the spinning machine, the adjustment collar is made of metal or plastic high elastic material, and the opening groove on the adjustment collar is inclined to its axis, and the groove width is 1-2 mm.

The present invention aims at the short life of the rubber roller and the low utilization rate of the surface of the rubber roller body caused by the single stroke of the rubber roller in the prior art, and develops a position-adjustable high-utilization multi-stroke rubber roller. An adjustment collar is added to the holding gear in the middle of the roller shaft. Changing the position of the adjusting collar at the holding gear can change the axial installation position of the rubber roller, thereby realizing the multi-stroke work of the rubber roller. The invention has the advantages of expanding the working position on the surface of the rubber roller body, improving the utilization rate of the rubber roller, prolonging the service life and production cycle of the rubber roller, reducing production cost, saving energy consumption, reducing labor and improving work efficiency. In addition, after adjusting the stroke position of the surface of the rubber roller, its elastic hardness can be fully relieved and restored, which is conducive to improving the yarn quality. The invention has the advantages of ingenious conception, simple structure, convenient operation and easy realization.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2, Fig. 3 are the schematic diagrams when the present invention uses different adjustment collars;

Fig. 4 is a schematic diagram of the structure of the rubber roller before the improvement;

Fig. 5 is a schematic diagram of the present invention applied to a drafting device.

The labels of the components in the figure are as follows: 1. Rubber roller body; 2. Adjusting collar; 2-1. Opening groove; 3. Rubber roller shaft; 3-1. Holding gear; ; 6. Card frame; 7. Yarn; 8. Drafting device.

Detailed ways

Referring to Fig. 1 and Fig. 5, the composition of the present invention includes a rubber roller body 1 and a rubber roller shaft 3, and a bearing 5 is arranged in the rubber roller body. The cot body is symmetrically installed at the two ends of the cot shaft, and the middle part of the cot shaft is a holding gear 3-1. In order to solve the problem that the rubber roller body is easy to wear in a single stroke, the design idea of the present invention is to make the axial position of the rubber roller relative to the card frame adjustable, so that the rubber roller body can contact the yarn at different positions to form a multi-stroke Work. The concrete way of realizing above-mentioned train of thought is to set up adjusting collar 2 at the holding position, and adjusting collar is selected the good metal of elasticity, plastics and other materials to make, and for ease of installation, is provided with opening groove 2-1 on the adjusting collar, and opening groove It is set obliquely with the axis, and the groove width is 1-2 mm. There are 2 to 6 adjustment collars, the inner diameter of which matches the shaft diameter of the holding gear, and the width of the adjustment collars is 3 to 6 mm. Limiting platforms 4 are arranged symmetrically at both ends of the holding gear, and the length between the two limiting platforms is 22 to 28 mm, that is, the difference between this size and the width of the adjusting collar should be the same as the width of the frame 6 of the drafting device. match.

At present, the length of the common standard rubber roller body is 28 mm, and a fiber channel needs about 6 mm width. According to the common standard rubber roller body, considering the structure of the rubber roller and the cradle, the total width of the selected adjustment collar should not exceed 12 mm. It is appropriate. When in use, the number, width and installation position of the adjustment collars can be selected according to needs. The present invention is further described in detail through three examples below.

Embodiment 1: Referring to Fig. 1, in this example, two adjustment collars with a width of 6 mm are selected, and they are respectively located at the left and right ends of the holding bracket in the state shown in the figure, forming the first fiber channel in the middle of the surface of the rubber roller body; use After a period of time, move the two adjustment collars to the right side of the holding gear, causing the rubber roller to move to the right as a whole, forming a second fiber channel on the left side of the rubber roller surface; after using it for a period of time, move the two adjustment collars to the holding position The left side of the gear will cause the rubber roller to move to the left as a whole, forming a third fiber channel on the left side of the rubber roller surface. In this way, three stroke grooves at different positions can be formed on the rubber roller body and then repaired and ground. Compared with ordinary rubber rollers, it is three times higher. The length dimension between the two limiting platforms is 28 millimeters in this example.

Embodiment 2: Referring to Fig. 2, in this example, four adjustment collars with a width of 3 mm are selected, and the four adjustment collars in the state of Fig. 2 are all located at the left end of the holding gear, and the positions of the two adjustment collars are moved at the same time for each adjustment. The state of the fiber channel is the same as that of embodiment 1, and the length dimension between the two limiting platforms is also 28 mm.

Embodiment 3: Referring to Fig. 3, in this example, three adjustment collars with a width of 6 mm are selected. All the adjustment collars are adjusted to the left end of the holding gear, so that the rubber roller can have four changing positions, and the rubber roller body can form 4 fiber channels. In this example the length dimension between the two stoppers is 28 mm.

Claims (5)

1. A high-utilization cot used for the drafting device of a spinning machine, comprising a cot body (1) and a cot shaft (3), the cot body is symmetrically installed at both ends of the cot shaft, and the cot body is provided with There are bearings, and the middle part of the rubber roller shaft is a holding gear (3-1). The holding gear corresponds to the cradle frame of the drafting device. The axial position is adjustable. 2. The high-utilization rubber roller for the drafting device of the spinning machine according to claim 1, characterized in that: the axial position of the rubber roller can be adjusted by setting an adjustment collar (2) at the holding position Completed. 3. The high-utilization rubber roller for spinning machine drafting device according to claim 2, characterized in that: the number of the adjustment collars is 2 to 6, and the adjustment collars are provided with open grooves ( 2-1), the inner diameter of the adjustment collar matches the shaft diameter of the holding gear, and the width of the adjustment collar is 3-6 mm. 4. The high-utilization rubber roller for spinning machine drafting device according to claim 3, characterized in that: the two ends of the holding bracket are symmetrically provided with limiting platforms (4), between the two limiting platforms The length size is 22-28 mm. 5. The high-utilization rubber roller for spinning machine drafting device according to claim 2, 3 or 4, characterized in that: the adjustment collar is made of metal or plastic high elastic material, and the adjustment collar The upper opening groove is arranged obliquely to its axis, and the groove width is 1 to 2 mm.

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