CN110499657B - Device for adjusting tension of multi-strand yarns in doubling and double twisting process - Google Patents
Device for adjusting tension of multi-strand yarns in doubling and double twisting process Download PDFInfo
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- CN110499657B CN110499657B CN201910818739.6A CN201910818739A CN110499657B CN 110499657 B CN110499657 B CN 110499657B CN 201910818739 A CN201910818739 A CN 201910818739A CN 110499657 B CN110499657 B CN 110499657B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 35
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 206010003549 asthenia Diseases 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
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- Spinning Or Twisting Of Yarns (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The application relates to a multi-strand yarn tension adjusting device applied to a doubling and double-twisting process, which comprises a frame, and a doubling component, a tension adjusting component and a yarn guiding component which are sequentially arranged on the frame according to the process; the tensioning assembly includes: the elastic pieces are arranged side by side, and the extending direction of the elastic pieces is perpendicular to the axial direction of the bobbin shaft; porcelain rings provided at the free ends of each elastic member. The tension adjusting device for the multi-strand yarns applied to the doubling and double-twisting process can improve the stability of the tension and the speed of the tension adjusting device in the forming process, and greatly reduces the strength loss of the yarns in the manufacturing process. The elastic piece of the doubling component is used for quantifying the tension value of each primary twisting rope yarn in the doubling and re-twisting process, and further realizing tension input of the rope yarns and the like.
Description
Technical Field
The application relates to a device for adjusting tension of multi-strand yarns in a doubling and double twisting process, and belongs to the technical field of rope production tools.
Background
The chemical fiber ropes are mainly divided into two types of twisting ropes and braiding ropes according to the forming structure. For a twisted rope, a multi-strand yarn is its basic building block; multi-strand yarns are also an important component of braided ropes, especially those with double-layer braiding and inner core layers of parallel construction. Thus, the appearance and intrinsic performance index of the multi-strand yarn is very important for chemical fiber ropes.
The processing of the multi-strand yarn mainly comprises three working procedures of primary twisting, doubling and double twisting. The double twisting process is completed by a double twisting device which comprises a roller rubber roller combination and a twisting mechanism. Currently, in the conventional manufacturing method of multi-strand yarn, the primary twisting yarn is wound on a yarn drum, the yarn drum is mounted on a bobbin shaft, and the yarn is discharged from the yarn drum under the traction of a roller and rubber roller combination during production, and is sent to a re-twisting device after bypassing a reversing rod. The tension of the rope yarn is derived from the friction force between the yarn drum and the bobbin shaft, and the friction force is uncontrollable and uneven along with the different size of the yarn drum and the gradual weight reduction in the working process, so that the tension of the rope yarn is unstable. Thus, conventional manufacturing methods have less than ideal control over the appearance and intrinsic performance characteristics of the yarn, resulting in more off-standard multi-strand yarns with unacceptable appearance (differential strand and the like) and excessive intrinsic performance loss (loss rate exceeding 10%).
In recent years, domestic rope equipment manufacturers integrate the first twisting, doubling and re-twisting processes, but the tension adjustment links in the doubling and re-twisting processes are not basically involved. Meanwhile, most rope manufacturers in China still mainly use traditional non-integrated equipment to manufacture multi-strand rope yarns, namely twisting single-strand rope yarns, and then doubling and double twisting the multi-strand rope yarns. Thus, there is a need for a new multi-strand yarn tensioning device that is suitable for both traditional manufacturing and three-process integration.
Disclosure of Invention
In order to solve the problems, the application provides a device for adjusting the tension of multi-strand yarns in a doubling and double twisting process, which solves the problems of unqualified appearance or overlarge loss of intrinsic performance indexes of the multi-strand yarns caused by overlarge tension, overlarge tension or unbalanced tension among the multi-strand yarns in the manufacturing process of the multi-strand yarns, and is convenient to install and operate and high in cost performance.
The device for adjusting the tension of the multi-strand yarns in the doubling and double-twisting process comprises a frame, and a doubling component, a tension adjusting component and a yarn guiding component which are sequentially arranged on the frame according to the process, wherein the yarn guiding component is used for guiding yarns to a double-twisting device;
the doubling assembly comprises at least one group of bobbin shafts for installing yarn bobbins, and each group of bobbin shafts comprises a plurality of bobbin shafts which are vertically arranged;
the tensioning assembly includes:
the elastic pieces are arranged side by side and are provided with fixed ends connected with the frame and free ends opposite to the fixed ends, the elastic pieces extend between the fixed ends and the free ends, and the extending direction of the elastic pieces is perpendicular to the axial direction of the bobbin shaft;
and the porcelain ring is arranged at the free end of each elastic piece, and the axial direction of the porcelain ring is perpendicular to the axial direction of the bobbin shaft.
In one embodiment, the elastic member is arranged in an arc shape.
In a preferred embodiment, the elastic member is a spring plate.
In one embodiment, the yarn guide assembly includes:
the axial direction of the reversing wheel is perpendicular to the axial direction of the bobbin shaft;
the wire divider is provided with a plurality of wire passing holes side by side, and the axial direction of the wire passing holes is perpendicular to the axial direction of the bobbin shaft.
In one embodiment, the device for adjusting the tension of the multi-strand yarns in the doubling and double twisting process further comprises a reversing rod group, wherein the axial direction of the reversing rod group is parallel to the axial direction of the bobbin shaft, and the reversing rod group is arranged between the tension adjusting device and the yarn guiding device; the reversing lever set comprises at least one reversing lever.
In a preferred embodiment, the yarn guiding assembly comprises two groups, wherein the height of one group of yarn guiding assembly is close to the height of the tension adjusting assembly, and the height of the other group of yarn guiding assembly is close to the height of the roller rubber roller combination of the double twisting device.
In one embodiment, the doubling component is mounted on a rotary beam, the axial direction of the rotary beam is perpendicular to the axial direction of the bobbin shaft, the rotary beam can rotate along the axial direction of the rotary beam, and a locking component for limiting the rotary beam to rotate is arranged between the rotary beam and the frame.
In a preferred embodiment, the doubling assembly comprises two groups, and the two groups of doubling assemblies are arranged on two sides of the rotating beam.
In one embodiment, the rack includes:
two side frames arranged in parallel;
an upper frame supported on top of the two side frames;
the doubling component is arranged on one side of the frame, the yarn guide component is arranged on the upper part of the other side of the frame, and a double twisting device installation area is arranged below the yarn guide component; the tension adjusting component and the guide rod are arranged on the upper frame.
In one embodiment, the rack includes:
three side frames arranged in parallel;
an upper frame supported on top of the three side frames;
the two outer side frames are respectively provided with a doubling component, the middle side frame is provided with two yarn guide components, the upper frame is provided with two tension adjusting components and two reversing rod components, and the two yarn guide components, the two tension adjusting components and the two reversing rod components are symmetrically arranged relative to the middle side frame.
Benefits produced by the present application include, but are not limited to:
the multi-strand yarn tension adjusting device applied to the doubling and double-twisting process has the advantages of simple structure, convenience in installation, easiness in operation and remarkable effect, and can improve the stability of the tension and the speed of the multi-strand yarn in the forming process and greatly reduce the strength loss of the rope yarn in the manufacturing process. The elastic piece of the doubling component is used for quantifying the tension value of each primary twisting rope yarn in the doubling and re-twisting process, and further realizing tension input of the rope yarns and the like. The use of the yarn guiding component can not only reduce the strength loss caused by the continuous large-angle bending of the rope yarn in the reversing process, but also realize better constant-speed input by matching with the rotation of the rubber roller of the twisting machine in the double twisting process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
In the drawings:
FIG. 1 is a schematic diagram of a multi-strand yarn tension adjusting device according to an embodiment of the present disclosure;
FIG. 2 is an enlarged schematic view of an elastic sheet applied to a multi-strand yarn tension adjusting device in a doubling and double twisting process according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of a yarn guiding assembly applied to a multi-strand yarn tension adjusting device in a doubling and double twisting process according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a multi-strand yarn tension adjusting device according to another embodiment of the present application;
fig. 5 is a schematic view of the structure of fig. 4 after the double twisting device is installed.
List of parts and reference numerals: 100 frames, 200 doubling assemblies, 300 tension adjusting assemblies, 400 yarn guiding assemblies, 500 double twisting devices, 501 roller rubber roller combinations, 502 twisting mechanisms, 600 reversing rod groups, 101 side frames, 102 upper frames, 103 middle side frames, 202 rotating beams, 203 locking assemblies, 301 elastic pieces, 302 porcelain rings, 401 reversing wheels and 402 deconcentrators.
Detailed Description
In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.
As shown in fig. 1, the apparatus for adjusting tension of multi-strand yarn applied to a doubling and double twisting process provided in this embodiment is formed by assembling two side frames 101 arranged in parallel and one upper frame 102 supported on top of the two side frames 101; the side frames 101 and the upper frame 102 are welded or assembled together by means of steel pipes arranged in a lateral and longitudinal direction.
The doubling assembly 200, the tension adjusting assembly 300 and the yarn guiding assembly 400 are sequentially arranged on the frame 100 according to the working procedures;
specifically, the tension adjusting assembly 300 is disposed on the upper frame 102, the doubling assembly 200 is disposed on one side frame 101, the yarn guiding assembly 400 is disposed on the upper portion of the other side frame 101, the lower portion of the yarn guiding assembly 400 is a mounting area of the double twisting device 500, and the double twisting device 500 includes a roller rubber roller combination 501 and a twisting mechanism 502.
The doubling assembly 200 comprises at least one group of bobbin shafts for mounting yarn bobbins, each group of bobbin shafts comprises a plurality of bobbin shafts, such as eight bobbin shafts, which are vertically arranged, the axial direction of each bobbin shaft is horizontally arranged, and the axial direction of the roller rubber roller combination 501 is parallel to the axial direction of the bobbin shaft;
as shown in fig. 2, the tension adjusting assembly 300 includes a plurality of elastic members 301 arranged side by side, and the number of the elastic members 301 is determined according to actual production conditions. The elastic piece 301 has a fixed end connected with the frame 100 and a free end opposite to the fixed end, the elastic piece 301 extends between the fixed end and the free end, the extending direction of the elastic piece 301 is perpendicular to the axial direction of the bobbin shaft, and the elastic piece 301 is specifically arranged in an arc shape; at the free end of each elastic member 301, a porcelain ring 302 is provided, the axial direction of the porcelain ring 302 is perpendicular to the axial direction of the bobbin shaft, and the porcelain ring 302 can reduce friction and protect the rope yarns. When the rope yarn passes through the porcelain ring 302 at the free end of the elastic member 301, the elastic member 301 is stretched and bent due to the tension of the rope yarn, and the greater the tension of the rope yarn is, the greater the degree of stretch bending can play a role in weakening the tension of the tensioned rope yarn, so that the tension among the rope yarns is balanced.
As shown in fig. 3, the yarn guide assembly 400 includes a reversing wheel 401 and a yarn divider 402, the axial direction of the reversing wheel 401 is perpendicular to the axial direction of the bobbin shaft, and the reversing wheel 401 is rotatable around its shaft. The deconcentrator 402 is provided with a plurality of wire through holes side by side, and the axial direction of the wire through holes is perpendicular to the axial direction of the bobbin shaft.
Typically, the yarn guide assembly 400 is provided with two groups, wherein one group of yarn guide assemblies has a height close to that of the tension adjusting assembly, and the other group of yarn guide assemblies has a height close to that of the roller rubber roller combination of the double twisting device. The first group of yarn guiding assemblies 400 converts the rope yarns from the horizontal direction to the vertical direction, and the second group of yarn guiding assemblies 400 converts the rope yarns from the vertical direction to the horizontal direction, and the rope yarns are fed into the double twisting device 500. The distance between the side-by-side yarns is easily changed when the reversing angle is large, so that each group of yarn guide assemblies 400 includes a yarn divider 402 in addition to the reversing wheel 401 for maintaining the distance between the yarns stable. The sequence of the rope yarn passing through the deconcentrator 402 and the reversing wheel 401 is determined according to the rope yarn path, but the relative heights of the rope yarn and the reversing wheel need to be adjusted, so that the rope yarn cannot be severely rubbed with the hole bottom surface of the wire passing hole when passing through the wire passing hole of the deconcentrator 402.
In one embodiment, the device for adjusting tension of multiple yarns in the doubling and double twisting process is further provided with a reversing rod group 600 on the upper frame 102, the axial direction of the reversing rod group 600 is parallel to the axial direction of the bobbin shaft, the reversing rod group 600 is arranged between the tension adjusting device and the yarn guiding device, specifically, the reversing rod group 600 comprises at least one reversing rod, and the yarns sequentially bypass each reversing rod, so that the tension is stable.
During production, yarn drums wound with the primary twisting rope yarns are arranged on bobbin shafts, the rope yarn end parts on each yarn drum pass through the porcelain ring 302, bypass the reversing rod group 600, pass through the deconcentrator 402 and the reversing wheel 401 and are sent to the roller rubber roller combination 501 of the double twisting device 500, and the rope yarns are fed into the twisting mechanism 502 for double twisting under the traction of the roller rubber roller combination 501. The structure is matched, so that the condition that the rope yarn tension is completely limited by the friction force between the yarn drum and the bobbin shaft is avoided, and the medium tension conveying of single-strand rope yarns in the yarn doubling and yarn guiding processes is realized.
In one embodiment, each elastic member 301 is mounted on a fixing plate, a clamping groove is formed in the fixing plate, the fixing end of the elastic member 301 is fixed in the clamping groove, and the fixing plate is mounted on the upper frame 102.
In one embodiment, the elastic member 301 is a spring plate, and a thin steel plate may be selected.
In one embodiment, to facilitate the installation or removal of the yarn packages on the package shaft and to reduce the width of the side frames 101, the doubling assembly 200 is preferably mounted on a rotating beam 202, the axial direction of the rotating beam 202 is perpendicular to the axial direction of the package shaft, the rotating beam 202 is rotatable along the axial direction thereof, and a locking assembly 203 for limiting the rotation of the rotating beam 202 is provided between the side frames 101 of the rotating beam 202. Specifically, shafts may be respectively disposed at both ends of the rotation beam 202, and sleeves may be disposed at the upper and lower portions of the side frames 101, and the shafts may be movably inserted into the sleeves, so that the rotation beam 202 may rotate in the axial direction thereof. The shaft rod and the sleeve are locked through the screw rod, specifically, insertion holes are formed in the sleeve and the shaft rod, the head of the screw rod penetrates through the sleeve and is inserted into the shaft rod, the rotating beam 202 can be locked, and the locking can be released by pulling out the screw rod.
In a preferred embodiment, the doubling assembly 200 comprises two groups, and two groups of doubling assemblies 200 are arranged on two sides of the rotating beam 202.
In order to optimize the overall structure of the apparatus and to make reasonable use of the production space, as shown in fig. 4 and 5, in one embodiment, the rack 100 includes:
three side frames 101 arranged in parallel;
an upper frame 102 supported on top of the three side frames 101;
the two outer side frames 101 are respectively provided with a doubling component 200, the middle side frame 103 is provided with two yarn guide components 400, the upper frame 102 is provided with two tension adjusting components 300 and two reversing lever sets 600, and the two yarn guide components 400, the two tension adjusting components 300 and the two reversing lever sets 600 are symmetrically arranged relative to the middle side frame 101. By the above configuration, two devices of the present application are integrated, and the two devices share the intermediate side frame 103. The double twisting device 500 is installed at the middle lower part of the device, reduces the occupied area of the power machine and improves the whole space utilization rate.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present specification, the description with reference to the term "as an embodiment," "this embodiment," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (8)
1. The device for adjusting the tension of the multi-strand yarns in the doubling and double-twisting process is characterized by comprising a frame, and a doubling component, a tension adjusting component and a yarn guiding component which are sequentially arranged on the frame according to the process, wherein the yarn guiding component is used for guiding yarns to a double-twisting device;
the doubling assembly comprises at least one group of bobbin shafts for installing yarn bobbins, and each group of bobbin shafts comprises a plurality of bobbin shafts which are vertically arranged;
the tensioning assembly includes:
the elastic pieces are arranged side by side and are provided with fixed ends connected with the frame and free ends opposite to the fixed ends, the elastic pieces extend between the fixed ends and the free ends, and the extending direction of the elastic pieces is perpendicular to the axial direction of the bobbin shaft;
the porcelain ring is arranged at the free end of each elastic piece, and the axial direction of the porcelain ring is perpendicular to the axial direction of the bobbin shaft;
the yarn guide assembly includes:
the axial direction of the reversing wheel is perpendicular to the axial direction of the bobbin shaft;
the wire divider is provided with a plurality of wire passing holes side by side, and the axial direction of the wire passing holes is perpendicular to the axial direction of the bobbin shaft;
the yarn guiding components comprise two groups, wherein the height of one group of yarn guiding components is close to the height of the tension adjusting component, and the height of the other group of yarn guiding components is close to the height of the roller rubber roller combination of the double twisting device.
2. The device for adjusting tension of multi-strand yarn in doubling and multi-twisting process according to claim 1, wherein the elastic member is arranged in an arc shape.
3. The device for adjusting tension of multi-strand yarn applied to doubling and multi-twisting process according to claim 2, wherein the elastic member is a spring piece.
4. The device for adjusting the tension of the multi-strand yarn applied to the doubling and double twisting process according to claim 1, further comprising a reversing lever group, wherein the axial direction of the reversing lever group is parallel to the axial direction of the bobbin shaft, and the reversing lever group is arranged between the tension adjusting device and the yarn guiding device.
5. The device for adjusting the tension of the multi-strand yarn applied to the doubling and multi-twisting process according to claim 1, wherein the doubling assembly is mounted on a rotating beam, the axial direction of the rotating beam is perpendicular to the axial direction of the bobbin shaft, the rotating beam can rotate along the axial direction of the rotating beam, and a locking assembly for limiting the rotation of the rotating beam is arranged between the rotating beam and the frame.
6. The device for adjusting tension of multi-strand yarn in doubling and double twisting process according to claim 5, wherein the doubling components comprise two groups, and the two groups of doubling components are arranged at two sides of the rotating beam.
7. The apparatus for multi-strand yarn tension adjustment in a doubling and multi-twisting process according to claim 4, wherein the frame comprises:
two side frames arranged in parallel;
an upper frame supported on top of the two side frames;
the doubling component is arranged on one side of the frame, the yarn guide component is arranged on the upper part of the other side of the frame, and a double twisting device installation area is arranged below the yarn guide component; the tension adjusting component and the guide rod are arranged on the upper frame.
8. The apparatus for multi-strand yarn tension adjustment in a doubling and multi-twisting process according to claim 4, wherein the frame comprises:
three side frames arranged in parallel;
an upper frame supported on top of the three side frames;
the two outer side frames are respectively provided with a doubling component, the middle side frame is provided with two yarn guide components, the upper frame is provided with two tension adjusting components and two reversing rod components, and the two yarn guide components, the two tension adjusting components and the two reversing rod components are symmetrically arranged relative to the middle side frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818739.6A CN110499657B (en) | 2019-08-30 | 2019-08-30 | Device for adjusting tension of multi-strand yarns in doubling and double twisting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910818739.6A CN110499657B (en) | 2019-08-30 | 2019-08-30 | Device for adjusting tension of multi-strand yarns in doubling and double twisting process |
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| CN110499657A CN110499657A (en) | 2019-11-26 |
| CN110499657B true CN110499657B (en) | 2024-04-09 |
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| CN110499657A (en) | 2019-11-26 |
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