CN215481481U - Universal drafting structure for long and short fibers of roving frame - Google Patents
Universal drafting structure for long and short fibers of roving frame Download PDFInfo
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- CN215481481U CN215481481U CN202121308586.XU CN202121308586U CN215481481U CN 215481481 U CN215481481 U CN 215481481U CN 202121308586 U CN202121308586 U CN 202121308586U CN 215481481 U CN215481481 U CN 215481481U
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Abstract
The utility model discloses a long and short fiber universal drafting structure of a roving frame, which comprises a roller frame and a cradle which are arranged at intervals relatively. One roller, two rollers, three rollers and four rollers are arranged between the two roller frames. The cradle bottom is equipped with first epithelium roller set, second epithelium roller set, third epithelium roller set, fourth epithelium roller set by going to back in proper order, and first to fourth epithelium roller set all includes two epithelium rollers. A lower pin is arranged between the first roller and the second roller, a first lower apron is sleeved on the outer sides of the lower pin and the second roller, and the second roller and the second upper apron roller set drive the first lower apron to move. The drafting arrangement further comprises a fifth set of upper rolls comprising two grooving rolls, which can be used to replace the second set of upper rolls, and a second lower apron, which can be used to replace the first lower apron. The utility model is provided with the grooving roller and the lower leather ring, realizes the universality of the long and short fiber drafting, is simple and convenient to adjust and operate, reduces the shutdown time and ensures the production efficiency.
Description
Technical Field
The utility model relates to the technical field of textile machinery, in particular to a long and short fiber universal drafting structure of a roving frame.
Background
When the existing roving frame is used for drafting long fibers and short fibers, the gauge of the rollers is different, the gauge of the rollers needs to be adjusted according to the length of the fibers, meanwhile, parts of a transmission mechanism of the roving frame need to be replaced, the operation is complex, time and labor are wasted, the shutdown waiting time is long, the production efficiency is seriously influenced, the drafting of the long fibers and the short fibers on one roving frame is difficult to realize, and the equipment is general and has a phase difference. Therefore, further improvements are needed in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a long and short fiber universal drafting structure of a roving frame, and solves the problems that the conventional roving frame needs to adjust the gauge of a roller for long and short fiber drafting, the transmission structure needs to be correspondingly adjusted and replaced, the operation is complex, the shutdown time is long, and the production efficiency is influenced.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a general draft structure of long and short fibre of fly frame, includes roller stand and cradle, and the roller stand has two, and relative interval arranges about, and two roller stands pass through cradle nodal axis fixed the linking to each other, and the cradle sets up on cradle nodal axis.
Four rollers are arranged between the two roller frames at intervals in parallel, and a roller, a second roller, a third roller and a fourth roller are arranged in sequence from front to back.
The cradle bottom is equipped with first epithelium roller set, second epithelium roller set, third epithelium roller set, fourth epithelium roller set by going to back in proper order, and first, second, third, fourth epithelium roller set all include two epithelium rollers, respectively with four roller one-to-one cooperation.
An upper pin is arranged between the first and second upper leather roller sets, an upper leather collar is sleeved on the outer side of the upper pin and the second upper leather roller set, a lower pin is arranged between the first and second rollers, a first lower leather collar is sleeved on the outer side of the lower pin and the outer side of the second roller, and the second roller and the second upper leather roller set drive the first lower leather collar to move.
The drafting arrangement is provided with a fifth set of upper rolls, comprising two grooving rolls, which can be used to replace the second set of upper rolls, and a second lower apron, which can be used to replace the first lower apron.
Furthermore, one roller is in running fit with the front ends of the two roller frames through bearings, three roller seats are fixedly arranged at the top of each roller frame at intervals, and the other three rollers are in running fit with the corresponding roller seats through bearings respectively.
Furthermore, a connecting seat is fixedly installed at the top of the roller frame, the cradle joint shaft is positioned at the rear side of the four rollers, two ends of the cradle joint shaft are fixedly connected with the connecting seat respectively, and the rear side of the cradle is fixed on the cradle joint shaft.
The first, second, third and fourth upper leather roller sets further comprise a fixing shaft, the two upper leather rollers are arranged at two ends of the fixing shaft and are in coaxial rotating fit with the end portion of the fixing shaft, and the fixing shaft is detachably and fixedly matched with the bottom of the cradle.
Further, the grooving roller is provided with an annular groove arranged along the circumferential direction of the grooving roller, and the upper ring covers the annular groove and the parts of the grooving roller, which are positioned on two sides of the annular groove.
Furthermore, buncher supports are respectively arranged at the rear sides of the two rollers, the three rollers and the four rollers in an adjacent mode, and two ends of each buncher support are respectively fixedly connected with the corresponding roller seats.
The buncher support is provided with a buncher which is provided with a yarn channel which is communicated from front to back.
Furthermore, after the first lower apron is replaced by the second lower apron and the second upper leather roller group is replaced by the fifth upper leather roller group, the second lower apron is sleeved outside the lower pin, the second roller and the third roller, and the second roller and the fifth upper leather roller group and the third roller and the third upper leather roller group drive the second lower apron to move.
Furthermore, a tension shaft for supporting the second lower leather collar is arranged below the three rollers, the tension shaft is positioned on the inner side of the second lower leather collar, and two ends of the tension shaft are respectively in running fit with the roller frame through a tension shaft frame.
Furthermore, two leather rollers of the third leather roller group are flexible leather rollers, the long and short fiber universal drafting structure is further provided with a sixth leather roller group, the sixth leather roller group comprises two solid leather rollers which are coaxially and symmetrically arranged, and the sixth leather roller group is used for replacing the third leather roller group.
By adopting the technical scheme, the utility model has the beneficial technical effects that: the utility model has smart structure, realizes the drafting of long and short fibers by configuring the grooving roller with the annular groove and the lower leather collar, has simple and convenient adjustment operation of the drafting structure, reduces the shutdown time, improves the universality of equipment and ensures the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an implementation manner of a long and short fiber universal drafting structure of a roving frame according to the present invention.
Fig. 2 is a schematic diagram of a right-view structure of one implementation of the utility model shown in fig. 1.
Fig. 3 is a schematic structural diagram of another implementation manner of the long and short fiber universal drafting structure of the roving frame according to the utility model.
Fig. 4 is a schematic diagram of a right-view structure of another implementation of the utility model shown in fig. 3.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings:
with reference to fig. 1 to 4, the long and short fiber universal drafting structure of the roving frame comprises two roller frames 1 and a cradle 2, wherein the two roller frames 1 are oppositely arranged at a left and right interval, and the bottom of each roller frame 1 is fixedly connected with a frame bolt of the roving frame. The drafting device can be used for drafting long fibers and short fibers by simply replacing components or assemblies on one roving machine.
Four rollers are arranged between the two roller frames 1 at intervals in parallel, and a first roller 31, a second roller 32, a third roller 33 and a fourth roller 34 are arranged in sequence from front to back. A roller 31 is positioned at the front end of the top of the roller stand 1, the left and right sides of the roller 31 are in running fit with the two roller stands 1 through bearings, three roller seats 11 are fixedly arranged at the top of each roller stand 1 at intervals, and the other three rollers are in running fit with the corresponding roller seats 11 through bearings respectively. The first roller 31, the second roller 32, the third roller 33 and the fourth roller 34 are respectively connected with a driving mechanism of the roving frame, and the driving mechanism respectively drives the first roller 31, the second roller 32, the third roller 33 and the fourth roller 34 to rotate at different rotating speeds.
The rear ends of the tops of the two roller frames 1 are fixedly connected through a rocking frame joint shaft 21, the rear end of the rocking frame 2 is fixedly installed on the rocking frame joint shaft 21, and a rocking frame arm of the rocking frame 2 is located above the four rollers. The connecting seat 22 is fixedly installed at the rear end of the top of the roller frame 1, the cradle joint shaft 21 is located at the rear side of the four-roller 34, and two ends of the cradle joint shaft are fixedly connected with the connecting seat 22 respectively.
The bottom of the cradle 2 is sequentially provided with a first epithelial roller set 41, a second epithelial roller set 42, a third epithelial roller set 43 and a fourth epithelial roller set 44 from front to back, and the first epithelial roller set 41, the second epithelial roller set 42, the third epithelial roller set 43 and the fourth epithelial roller set 44 are respectively matched with the first roller 31, the second roller 32, the third roller 33 and the fourth roller 34 in a one-to-one correspondence manner to form yarn holding. The bottom of the cradle arm of the cradle 2 is respectively provided with a clamping groove corresponding to the position of each upper roller set, the upper roller sets are clamped into the corresponding clamping grooves and fixed on the cradle arm of the cradle 2 through spring clips, and the upper roller sets are convenient to disassemble and assemble.
An upper pin 23 is arranged between the first upper leather roller group 41 and the second upper leather roller group 42, and an upper leather ring 24 is sleeved outside the upper pin 23 and the second upper leather roller group 42. A lower pin 35 is arranged between the first roller 31 and the second roller 32, a first lower apron 36 is sleeved outside the lower pin 35 and the second roller 32, and the second roller 32 is matched with the two upper leather rollers of the second upper leather roller group to drive the first lower apron 36 to move.
The first upper leather roller group 41, the second upper leather roller group 42, the third upper leather roller group 43 and the fourth upper leather roller group 44 all comprise a fixed shaft and two upper leather rollers 411, the two upper leather rollers 411 are arranged at two ends of the fixed shaft and are coaxially and rotatably matched with the end of the fixed shaft, and the fixed shaft is detachably and fixedly matched with the bottom of the cradle 2. In the working process, the first lower apron 36 is driven to move by the two rollers 32, the two rollers 32 and the upper leather roller 411 of the second upper leather roller group 42 are held and drive the upper leather roller 411 of the second upper leather roller group 42 to rotate, the upper leather roller 411 of the second upper leather roller group 42 drives the upper leather ring 24 to move, the upper leather ring 24 is matched with the first lower apron 36 to press the yarn in the drafting state, and the yarn breakage rate of the short fibers in the drafting process is reduced. The second upper leather roller is a solid leather roller, and can form holding drafting for the fiber strips by matching with a roller, a leather ring and the like.
The above-described structure is applicable only to the use of short fibers, and if long fibers are drafted, it is necessary to simply replace and adjust the components of the structure, as described below.
The drafting arrangement is provided with a fifth set of upper rollers 45 and a second lower apron 37, the fifth set of upper rollers 45 being used in place of the second set of upper rollers 42. Specifically, the fifth upper roller set comprises a fixed shaft and two grooving rollers 412, and the fifth upper roller set 45 is different from the second upper roller set 42 in that the two grooving rollers 412 of the fifth upper roller set are provided with annular grooves formed along the circumferential direction of the fifth upper roller set, the upper leather collar 24 covers the annular grooves and the parts of the grooving rollers 412 located on two sides of the annular grooves, a cavity is formed between the upper leather collar 24 and the bottom of the annular grooves, and the structure can form a smooth drafting device for fiber strips by matching rollers, leather collars and the like, so that the holding of the long fibers between the fifth upper roller set 45 and the second rollers 32 is reduced, and the drafting area for the long fibers is increased.
After the second lower apron 37 replaces the first lower apron 36 and the fifth upper roller group 45 replaces the second upper roller group 42, the second lower apron 37 is arranged at the outer sides of the lower pin 35, the second roller 32 and the third roller 33, and the third roller 33 and the third upper roller group 43 as well as the second roller 32 and the fifth upper roller group 45 drive the second lower apron 37 to move. And a tension shaft 6 for supporting the second lower leather collar is arranged below the three rollers 33, the tension shaft 6 is positioned at the inner side of the second lower leather collar 37, and two ends of the tension shaft are respectively in running fit with the roller stand 1 through a tension shaft stand 71. The fifth upper leather roller set 45 replaces the second upper leather roller set 42 and the second lower leather collar 37 replaces the first lower leather collar 36, so that the gauge of the main drafting zone is changed, the long fibers can be drafted, the broken yarns of the long fibers in the drafting process are reduced, and the long and short fiber drafting can be realized on one roving machine through the simple adjustment.
The two upper leather rollers of the third upper leather roller group 53 adopt flexible leather rollers, the long and short fiber general drafting structure is further provided with a sixth upper leather roller group, the sixth upper leather roller group comprises two solid leather rollers which are coaxially and symmetrically arranged, the sixth upper leather roller group is used for replacing the third upper leather roller group, and switching between slipping drafting and holding drafting between three rollers and four rollers can be achieved. The replacement between the sixth upper roller group and the third upper roller group 53 can be selectively combined with the replacement between the second lower apron 37 and the first lower apron 36 to form various combination structural forms, so that more sliver spinning can be suitable.
Parts which are not described in the utility model can be realized by adopting or referring to the prior art.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. A universal drafting structure for long and short fibers of a roving frame is characterized by comprising two roller frames and a cradle, wherein the two roller frames are oppositely arranged at intervals left and right, the two roller frames are fixedly connected through a cradle joint shaft, and the cradle is arranged on the cradle joint shaft;
four rollers are arranged between the two roller frames at intervals in parallel, and a first roller, a second roller, a third roller and a fourth roller are arranged in sequence from front to back;
the bottom of the cradle is sequentially provided with a first upper leather roller set, a second upper leather roller set, a third upper leather roller set and a fourth upper leather roller set from front to back, wherein the first upper leather roller set, the second upper leather roller set, the third upper leather roller set and the fourth upper leather roller set respectively comprise two upper leather rollers which are respectively matched with the four rollers in a one-to-one correspondence manner;
an upper pin is arranged between the first upper leather roller group and the second upper leather roller group, an upper leather ring is sleeved on the outer side of the upper pin and the second upper leather roller group, a lower pin is arranged between the first roller and the second roller, a first lower leather ring is sleeved on the outer side of the lower pin and the second roller, and the second roller and the second upper leather roller group drive the first lower leather ring to move;
the drafting arrangement is provided with a fifth set of upper rolls, comprising two grooving rolls, which can be used to replace the second set of upper rolls, and a second lower apron, which can be used to replace the first lower apron.
2. The universal long and short fiber drafting structure of roving frame as claimed in claim 1, wherein one roller is rotatably engaged with the front ends of two roller frames through bearings, three roller bases are fixed at intervals on the top of each roller frame, and the remaining three rollers are rotatably engaged with the corresponding roller bases through bearings.
3. The universal long and short fiber drafting structure of the roving frame as claimed in claim 2, wherein the top of the roller frame is fixedly provided with a connecting seat, the cradle pitch shaft is located at the rear side of the four rollers, both ends of the cradle pitch shaft are fixedly connected with the connecting seat respectively, and the rear side of the cradle is fixed on the cradle pitch shaft;
the first, second, third and fourth upper leather roller sets further comprise a fixing shaft, the two upper leather rollers are arranged at two ends of the fixing shaft and are in coaxial rotating fit with the end portion of the fixing shaft, and the fixing shaft is detachably and fixedly matched with the bottom of the cradle.
4. The long and short fiber universal drafting structure of the roving frame as claimed in claim 1, wherein the grooved roller has an annular groove opened along a circumferential direction thereof, the upper apron covers the annular groove and portions of the grooved roller located at both sides of the annular groove.
5. The universal long and short fiber drafting structure of the roving frame according to claim 2, wherein buncher supports are respectively arranged at the rear sides of the two rollers, the three rollers and the four rollers, and two ends of each buncher support are respectively fixedly connected with the corresponding roller bases;
the buncher support is provided with a buncher which is provided with a yarn channel which is communicated from front to back.
6. The universal long and short fiber drafting structure of roving frame as claimed in claim 1, wherein the second lower apron replaces the first lower apron and the fifth upper roller set replaces the second upper roller set, the second lower apron is sleeved outside the lower pin, the second roller and the third roller, and the second roller and the fifth upper roller set and the third roller and the third upper roller set drive the second lower apron to move.
7. The universal long and short fiber drafting structure of the roving frame as claimed in claim 6, wherein a tension shaft for supporting the second lower apron is disposed under the three rollers, the tension shaft is disposed inside the second lower apron, and both ends of the tension shaft are rotatably engaged with the roller frames through a tension shaft bracket respectively.
8. The common long and short fiber drafting structure of roving frame as claimed in claim 1, wherein the two upper leather rollers of the third set of leather rollers are flexible leather rollers, the common long and short fiber drafting structure is further provided with a sixth set of leather rollers, the sixth set of leather rollers comprises two solid leather rollers which are coaxially and symmetrically arranged, and the sixth set of leather rollers is used to replace the third set of leather rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308586.XU CN215481481U (en) | 2021-06-10 | 2021-06-10 | Universal drafting structure for long and short fibers of roving frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308586.XU CN215481481U (en) | 2021-06-10 | 2021-06-10 | Universal drafting structure for long and short fibers of roving frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215481481U true CN215481481U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121308586.XU Active CN215481481U (en) | 2021-06-10 | 2021-06-10 | Universal drafting structure for long and short fibers of roving frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215481481U (en) |
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2021
- 2021-06-10 CN CN202121308586.XU patent/CN215481481U/en active Active
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