CN214612884U - Drawing frame compression roller drive mechanism - Google Patents
Drawing frame compression roller drive mechanism Download PDFInfo
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- CN214612884U CN214612884U CN202023239511.9U CN202023239511U CN214612884U CN 214612884 U CN214612884 U CN 214612884U CN 202023239511 U CN202023239511 U CN 202023239511U CN 214612884 U CN214612884 U CN 214612884U
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- compression roller
- wheel
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- seat
- tensioning wheel
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Abstract
The utility model provides a drawing frame compression roller transmission mechanism, wherein a fixed seat is fixed on a rear compression roller seat, the front end of the fixed seat is provided with a chute with a forward notch, and the right side of the chute is provided with a perforation extending in the front-back direction; the sliding block is arranged in the sliding groove in a sliding manner along the front-back direction; the movable tensioning wheel is fixedly connected with the sliding block; the front compression roller belt wheel and the rear compression roller belt wheel can axially rotate and are respectively arranged on the front compression roller seat and the rear compression roller seat; the fixed tension wheel can be axially and rotatably arranged on the fixed seat; the toothed belt surrounds the periphery of the rear press roller belt wheel, the movable tensioning wheel and the fixed tensioning wheel, and the front press roller belt wheel is positioned between the rear press roller belt wheel and the fixed tensioning wheel and is meshed with the outer teeth of the toothed belt, so that the toothed belt is arranged in a V shape. The utility model provides a technical scheme's beneficial effect is: the position of the movable tensioning wheel is adjusted, so that the tensioning degree of the toothed belt is adjusted, the position of the fixed tensioning wheel does not need to be changed, the wrap angle of the toothed belt on the front compression roller belt wheel is not affected, and the stability of the compression effect of the front compression roller can be ensured.
Description
Technical Field
The utility model relates to the technical field of textile machinery, especially, relate to a drawing frame compression roller drive mechanism.
Background
The drawing frame is an intermediate link in the spinning process flow and is a key process for improving the quality of finished yarns. The method has the effects of effectively controlling weight deviation of the cotton sliver, improving uniformity of the cotton sliver, and straightening degree and parallelism of fibers, enabling fibers with different qualities to be mixed more uniformly in the cotton sliver and creating conditions for obtaining good finished yarns.
The compression roller of the drawing frame is used for pressurizing the cotton sliver to form compact and smooth sliver, and then the sliver is fed into the coiler and regularly coiled in the sliver can to prepare for the next procedure. The compression of the compression roller can reduce the accidental drafting of the sliver and increase the capacity of the sliver can. The drawing frame compression roller consists of a front compression roller and a rear compression roller, wherein a rear compression roller seat is fixed, the rear compression roller only does circular motion, and when a cotton sliver passes through the rear compression roller and the front compression roller, the front compression roller slightly swings around a rotating shaft along with the front compression roller seat under the push-pull action of the cotton sliver due to the fact that the cotton sliver passes through different thicknesses. At present, the compression roller transmission basically has two forms, one is gear transmission, and the other is synchronous belt transmission. The gear transmission has large noise and is easy to wear, and the synchronous belt is used for transmission at present. In the synchronous belt transmission, a rear press roll belt wheel is used as a driving wheel, a double-sided toothed belt is used for transmitting a front press roll belt wheel (a driven wheel), the front press roll belt wheel is positioned between the rear press roll belt wheel and a tension wheel, the winding direction of the toothed belt is V-shaped to wrap the lower part of the front press roll belt wheel, wrap angles of the left side and the right side of the toothed belt to the front press roll belt wheel are changed in the swinging process, the tension of the toothed belt to the front press roll belt wheel is changed due to the change of the wrap angles, the pressing effect of the front press roll is influenced to a certain extent, and the position of the tension wheel can be changed in the process of detaching and replacing the toothed belt or adjusting the tension of the belt, so that the wrap angle of the toothed belt to the front press roll belt wheel is influenced, and the pressing effect of the front press roll is unstable.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, an embodiment of the present invention provides a drawing frame compression roller transmission mechanism.
An embodiment of the utility model provides a drawing frame compression roller drive mechanism, include:
the fixed seat is fixed on the rear compression roller seat, a sliding groove with a forward notch is arranged at the front end of the fixed seat, and a through hole extending in the front-back direction is arranged on the right side of the sliding groove in a penetrating manner;
the sliding block is arranged in the sliding groove in a sliding manner along the front-back direction;
the middle part of the movable tensioning wheel is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft penetrates through the through hole to be fixedly connected with the sliding block;
the front compression roller belt wheel and the rear compression roller belt wheel can axially rotate and are respectively arranged on the front compression roller seat and the rear compression roller seat;
the fixed tensioning wheel can be axially and rotatably arranged on the fixed seat and is positioned above the movable tensioning wheel; and the number of the first and second groups,
the toothed belt is wound to the peripheries of the rear press roller belt wheel, the movable tensioning wheel and the fixed tensioning wheel, the front press roller belt wheel is positioned between the rear press roller belt wheel and the fixed tensioning wheel and is meshed with the outer teeth of the toothed belt, so that the toothed belt is arranged in a V shape.
Further, the slider is L shape setting, includes along the fixed part of longitudinal extension and certainly the extension that the fixed part front end upwards extended, the fixed part is located in the spout, the extension runs through and is equipped with along the first screw hole of longitudinal extension, adjusting screw one end with first screw hole cooperatees, and with the fixing base front end offsets.
Furthermore, a fastening nut is arranged on the adjusting screw and abuts against the front side of the extending part.
Furthermore, a plurality of rollers are arranged at the bottom of the fixing part.
Furthermore, a second threaded hole is formed in the left side of the sliding groove in a penetrating mode, one end of the fixing screw is matched with the second threaded hole and extends into the sliding groove to abut against the left side of the sliding block.
Further, the fixing seat is fixed on the rear compression roller seat through a hinged hole bolt.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the position of the movable tensioning wheel is adjusted, so that the tensioning degree of the toothed belt is adjusted, the position of the fixed tensioning wheel does not need to be changed, the wrap angle of the toothed belt on the front compression roller belt wheel is not affected, and the stability of the compression effect of the front compression roller can be ensured. The mechanism is a belt transmission mechanism, the operation is convenient, the tensioning effect is good, the pressurization is stable and reliable, the service life of the belt is longer, and the mechanism is suitable for single-hole and double-hole drawing frames.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a transmission mechanism for a drawing frame press roller provided by the present invention;
fig. 2 is a top view of the drawing frame roller drive of fig. 1.
In the figure: 1-rear press roll belt wheel, 2-toothed belt, 3-front press roll belt wheel, 4-fixed tension wheel, 5-movable tension wheel, 6-reamed hole bolt, 7-fixed seat, 8-sliding block, 81-fixed part, 82-extending part, 9-fastening nut, 10-adjusting screw, 11-fixing screw and 12-rear press roll seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a drawing frame press roller transmission mechanism, which includes a rear press roller seat 12, a fixing seat 7, a slider 8, a movable tension pulley 5, a rear press roller pulley 1, a front press roller pulley 3, a fixed tension pulley 4, and a toothed belt 2.
On fixing base 7 was fixed in back compression roller seat 12, concrete through the reamed hole bolt 6 be fixed in back compression roller seat 12 on, fixing base 7 front end was equipped with the spout of notch forward, the spout right side is run through and is equipped with around to the perforation that extends (perpendicular to paper is inside to the left side, outside to be the right side), and perforation front end and rear end can run through fixing base 7 and set up, do not specifically inject here, slider 8 along around to slidable mounting in the spout.
The middle part of the movable tensioning wheel 5 is fixedly connected with one end of the connecting shaft, the other end of the connecting shaft penetrates through the through hole to be fixedly connected with the sliding block 8, and the sliding block 8 moves back and forth in the sliding groove to drive the movable tensioning wheel 5 to move. The rear compression roller belt wheel 1 and the front compression roller belt wheel 3 can axially rotate and are respectively arranged on a rear compression roller seat 12 and a front compression roller seat, and the fixed tension wheel 4 can axially rotate and is arranged on the fixed seat 7 and is positioned above the movable tension wheel 5; the toothed belt 2 surrounds the peripheries of the rear press roller belt wheel 1, the movable tensioning wheel 5 and the fixed tensioning wheel 4, and the front press roller belt wheel 3 is positioned between the rear press roller belt wheel 1 and the fixed tensioning wheel 4 and is meshed with the outer teeth of the toothed belt 2, so that the toothed belt 2 is arranged in a V shape.
In this embodiment, the sliding block 8 is disposed in an L shape, and includes a fixing portion 81 extending in the front-back direction and an extending portion 82 extending upward from the front end of the fixing portion 81, the fixing portion 81 is located in the sliding groove, the extending portion 82 is provided with a first threaded hole extending in the front-back direction in a penetrating manner, one end of the adjusting screw 10 is matched with the first threaded hole and abuts against the front end of the fixing base 7, for convenience of operation, the rear end of the adjusting screw 10 is axially rotatably mounted on the fixing base 7, and by rotating the adjusting screw 10, the sliding block 8 can be moved in the front-back direction, so that the accuracy of the moving distance of the movable tensioning wheel 5 can be improved. Furthermore, a set nut 9 is arranged on the adjusting screw 10, and the set nut 9 abuts against the front side of the extending part 82, so that the adjusting screw 10 can be prevented from rotating to cause the sliding block 8 to move. In order to move the sliding block 8 conveniently, a plurality of rollers are arranged at the bottom of the fixing part 81.
A second threaded hole is formed in the left side of the sliding groove in a penetrating mode, one end of the fixing screw 11 is matched with the second threaded hole and extends into the sliding groove to abut against the left side of the sliding block 8, when the sliding block 8 is moved to a specified position, the fixing screw 11 can be screwed down, the fixing screw 11 abuts against the sliding block 8, the sliding block 8 can be fixed in the sliding groove, and the situation that the position of the tensioning wheel 5 is changed due to movement of the sliding block 8 is avoided.
Specifically, explain specifically through following operation the utility model discloses a principle, when the position that moves take-up pulley 5 needs the regulation, unscrew set screw 11 and lock nut 9, because the spout is to slider 8's restriction, can drive slider 8 through rotatory adjusting screw 10 in the front to the removal, the position that the adjustment was good at take-up pulley 5 makes 2 tensioning backs in the profile of tooth area, locking set screw 11 and lock nut 9, set screw 11 offsets with the 8 left sides of slider, can be fixed in set screw 11 in the spout, avoid moving the position of take-up pulley 5 and change, move take-up pulley 5's position through the regulation and come tensioning profile of tooth area 2. In the present embodiment, the structure is a single-eye structure, and in case of two eyes, the structure is a symmetrical structure or an array structure.
The utility model provides a compression roller drive mechanism of drawing frame moves the position of take-up pulley 5 through the regulation to adjust the tensioning degree of cog belt 2, need not change the position of setting tension pulley 4, cog belt 2 can not receive the influence to the cornerite size of preceding compression roller band pulley 3, can guarantee the stability of preceding compression roller pressurization effect. The mechanism is a belt transmission mechanism, the operation is convenient, the tensioning effect is good, the pressurization is stable and reliable, the service life of the belt is longer, and the mechanism is suitable for single-hole and double-hole drawing frames.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A drawing frame compression roller transmission mechanism is characterized by comprising:
the fixed seat is fixed on the rear compression roller seat, a sliding groove with a forward notch is arranged at the front end of the fixed seat, and a through hole extending in the front-back direction is arranged on the right side of the sliding groove in a penetrating manner;
the sliding block is arranged in the sliding groove in a sliding manner along the front-back direction;
the middle part of the movable tensioning wheel is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft penetrates through the through hole to be fixedly connected with the sliding block;
the front compression roller belt wheel and the rear compression roller belt wheel can axially rotate and are respectively arranged on the front compression roller seat and the rear compression roller seat;
the fixed tensioning wheel can be axially and rotatably arranged on the fixed seat and is positioned above the movable tensioning wheel; and the number of the first and second groups,
the toothed belt is wound to the peripheries of the rear press roller belt wheel, the movable tensioning wheel and the fixed tensioning wheel, the front press roller belt wheel is positioned between the rear press roller belt wheel and the fixed tensioning wheel and is meshed with the outer teeth of the toothed belt, so that the toothed belt is arranged in a V shape.
2. The transmission mechanism for the press roller of the drawing frame as claimed in claim 1, wherein the sliding block is provided in an L-shape and includes a fixing portion extending in a front-rear direction and an extending portion extending upward from a front end of the fixing portion, the fixing portion is located in the sliding slot, the extending portion is provided with a first threaded hole extending in the front-rear direction, and one end of the adjusting screw is engaged with the first threaded hole and abuts against a front end of the fixing seat.
3. The drawing frame roller transmission mechanism according to claim 2, wherein the adjusting screw is provided with a set nut which abuts against the front side of the extension part.
4. The roller driving mechanism of drawing frame as claimed in claim 2, wherein the fixing portion is provided at the bottom thereof with a plurality of rollers.
5. The drawing frame compression roller transmission mechanism as claimed in claim 1, wherein a second threaded hole is formed in the left side of the sliding groove in a penetrating manner, and one end of a fixing screw is matched with the second threaded hole and extends into the sliding groove to abut against the left side of the sliding block.
6. The drawing frame roller driving mechanism according to claim 5, wherein the fixing seat is fixed to the rear roller seat by a reamed hole bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239511.9U CN214612884U (en) | 2020-12-29 | 2020-12-29 | Drawing frame compression roller drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239511.9U CN214612884U (en) | 2020-12-29 | 2020-12-29 | Drawing frame compression roller drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214612884U true CN214612884U (en) | 2021-11-05 |
Family
ID=78433318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023239511.9U Active CN214612884U (en) | 2020-12-29 | 2020-12-29 | Drawing frame compression roller drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214612884U (en) |
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2020
- 2020-12-29 CN CN202023239511.9U patent/CN214612884U/en active Active
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