CN110725020A - Polyethylene fiber drafting machine - Google Patents
Polyethylene fiber drafting machine Download PDFInfo
- Publication number
- CN110725020A CN110725020A CN201810786044.XA CN201810786044A CN110725020A CN 110725020 A CN110725020 A CN 110725020A CN 201810786044 A CN201810786044 A CN 201810786044A CN 110725020 A CN110725020 A CN 110725020A
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- Prior art keywords
- drafting
- roller
- downstream
- rollers
- polyethylene fiber
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/225—Mechanical characteristics of stretching apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a polyethylene fiber drafting machine, wherein the front part of a frame is provided with an upstream drafting roller set and a downstream drafting roller set in a contraposition manner along the horizontal direction, the upstream drafting roller set and the downstream drafting roller set respectively comprise a plurality of drafting rollers which are sequentially arranged along the vertical direction and are alternately staggered and arranged in parallel, and the top of the frame is provided with a press roller which is matched with the drafting roller at the uppermost end in the downstream drafting roller set in a contraposition manner; the frame is also provided with a driving device which can drive one of the drafting rollers to rotate in a fixed shaft mode, all the drafting rollers in the upstream drafting roller group and all the drafting rollers in the downstream drafting roller group are linked through gear boxes respectively, and an inter-group transmission mechanism is connected between the upstream drafting roller group and the downstream drafting roller group. The drafting rollers of the polyethylene fiber drafting machine are reasonably arranged, and the operation safety and the operation efficiency are high.
Description
Technical Field
The invention relates to the technical field of polyethylene fiber processing and forming equipment, in particular to a polyethylene fiber drafting machine.
Background
The high-modulus high-strength polyethylene fiber has the advantages of high strength, high modulus, high orientation, light weight, impact resistance, high dielectric property and the like, and plays a very important role in the fields of modern war, aerospace, sea defense, weaponry and the like; meanwhile, the fiber has wide application prospect in the fields of automobiles, ships, rope nets, medical instruments, sports equipment and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a typical polyethylene fiber drawing machine in the prior art.
As shown in fig. 1, a drafting machine is usually used in the current polyethylene fiber production process, and the current polyethylene fiber drafting machine mainly includes components such as a drafting roller 20, a transmission mechanism, and a gear box, which are disposed on a frame 10. The number of the drafting rollers 20 is usually 7, the 7 drafting rollers 20 are arranged in a single cantilever structure with an upper part, a lower part and a third part arranged in a staggered manner, and when the transmission mechanism drives one drafting roller 20 to rotate through the coupler, the other drafting rollers 20 are driven to be linked through the transmission of the gears arranged in the gear box so as to realize the same-speed rotation of all the drafting rollers. However, although the existing polyethylene fiber drawing machine as shown in fig. 1 can satisfy the basic processing and production requirements, due to its own structure, in daily working and use, the structure of the upper four and the lower three which are arranged in two rows transversely and arranged in a staggered way results in the over-tight arrangement of the adjacent drafting rollers 20, if the emergency such as abnormal winding occurs and the like is mainly treated, the on-line processing condition is provided only at four drafting rollers 20 located at the upper and lower outermost portions, while the other three drawing rollers 20 at the middle position cannot realize the on-line processing of the sudden situations such as winding and the like, which adversely affects the efficiency and the continuity of the related production operation, if the three draft rollers 20 located at the center are forcibly subjected to the on-line processing of the winding condition, the operator is easily injured, and the operation danger and the operation intensity of the related workers are increased.
Therefore, how to arrange the drafting rollers of the polyethylene fiber drafting machine more reasonably to improve the operation safety and the working efficiency of workers is an important technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a polyethylene fiber drafting machine, the arrangement of drafting rollers of the polyethylene fiber drafting machine is reasonable, and the operation safety and the operation efficiency of the polyethylene fiber drafting machine are high.
In order to solve the technical problem, the invention provides a polyethylene fiber drafting machine which comprises a frame, wherein the front part of the frame is provided with an upstream drafting roller set and a downstream drafting roller set in a contraposition manner along the horizontal direction, the upstream drafting roller set and the downstream drafting roller set respectively comprise a plurality of drafting rollers which are sequentially arranged along the vertical direction and are alternately staggered and arranged in parallel, and the top of the frame is provided with a press roller which is matched with the drafting roller at the uppermost end in the downstream drafting roller set in a contraposition manner;
the frame is also provided with a driving device which can drive one of the drawing rollers to rotate in a fixed shaft mode, all the drawing rollers in the upstream drawing roller group and all the drawing rollers in the downstream drawing roller group are linked through gear boxes respectively, and an inter-group transmission mechanism is connected between the upstream drawing roller group and the downstream drawing roller group.
Preferably, the axial length of the drafting roller at the uppermost end in the downstream drafting roller group is larger than that of the other drafting rollers.
Preferably, the axial length of the drafting roller at the uppermost end in the downstream drafting roller group is 50mm to 80mm longer than that of the other drafting rollers.
Preferably, the axial length of the rest of the drafting rollers except the drafting roller positioned at the uppermost end in the downstream drafting roller group is 1750mm to 4500 mm.
Preferably, the distance between the projections of the axes of the drafting rollers in the upstream drafting roller group in the same horizontal plane is 100 mm-700 mm;
the projection distance of the axes of all the drafting rollers in the downstream drafting roller group in the same horizontal plane is 100 mm-700 mm.
Preferably, the horizontal spacing between the upstream drawing roller group and the downstream drawing roller group is 600mm to 800 mm.
Preferably, the inter-group transmission mechanism is a transmission belt connected between any drafting roller in the upstream drafting roller group and any drafting roller in the downstream drafting roller group.
Preferably, an adjusting tension wheel matched with the transmission belt is arranged on the machine frame.
Compared with the background technology, in the working process of the polyethylene fiber drafting machine provided by the invention, as two groups of drafting roller arrangement structures which are sequentially arranged from top to bottom in the vertical direction and are arranged in a staggered manner are adopted, and two groups of drafting roller sets are arranged in an aligned manner in the horizontal direction to ensure the transverse space, the main working face of the polyethylene fiber drafting machine can have sufficient space for workers to perform related online operations such as yarn winding processing and the like, so that the overall working efficiency of the polyethylene fiber drafting machine is effectively improved, the working continuity of the polyethylene fiber drafting machine is ensured, meanwhile, the potential safety hazard caused by online operations such as yarn winding processing and the like on the workers due to insufficient operating space is effectively avoided, and the operating safety of the polyethylene fiber drafting machine in the working process is greatly improved.
In another preferred embodiment of the present invention, the axial length of the drafting roller positioned at the uppermost end in the downstream drafting roller group is longer than the axial length of the other drafting rollers. In practical application, the drawing roller positioned at the uppermost end in the downstream drawing roller group is generally called as a yarn outlet roller, the yarn outlet roller is mainly matched with the compression roller in a proper fit manner to ensure that the fiber yarn processed by the polyethylene fiber drawing machine can be smoothly and regularly output to downstream station equipment, the yarn outlet roller is arranged to be of a structure with the axial length larger than that of other drawing rollers, so that the connection in-place operation of the initial fiber yarn can be completed only by simply hooking the fiber yarn during the operation of driving the yarn, the operation flow is effectively simplified, the operation difficulty is reduced, the risk that fingers of workers are pressed and damaged when the operation of driving the yarn is carried into the matching surface between the compression roller and the yarn outlet roller is effectively prevented, and the corresponding operation safety is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a drawing machine for drawing polyethylene fiber in the prior art shown in FIG. 1;
fig. 2 is a front view of a polyethylene fiber drafting machine according to an embodiment of the present invention;
fig. 3 is a left side view of fig. 2.
Detailed Description
The core of the invention is to provide the polyethylene fiber drafting machine, the drafting rollers of the polyethylene fiber drafting machine are reasonably arranged, and the operation safety and the operation efficiency are higher.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 and fig. 3, fig. 2 is a front view of a polyethylene fiber drafting machine according to an embodiment of the present invention; fig. 3 is a left side view of fig. 2.
In a specific embodiment, the polyethylene fiber drafting machine provided by the invention comprises a frame 11, wherein an upstream drafting roller set 12 and a downstream drafting roller set 13 are arranged at the front part of the frame 11 along the horizontal direction in an aligned manner, the upstream drafting roller set 12 and the downstream drafting roller set 13 respectively comprise a plurality of drafting rollers 14 which are sequentially arranged along the vertical direction and are alternately staggered and arranged in parallel, and a press roller 15 which is aligned, attached and matched with the drafting roller at the uppermost end in the downstream drafting roller set 13 is arranged at the top part of the frame 11; the frame 11 is further provided with a driving device 16 capable of driving one of the draft rollers 14 to rotate in a fixed axis, the draft rollers 14 in the upstream draft roller set 12 and the draft rollers 14 in the downstream draft roller set 13 are linked through gear boxes (not shown), and an inter-set transmission mechanism (not shown) is connected between the upstream draft roller set 12 and the downstream draft roller set 13.
In the working process, owing to adopted two sets of 14 arrangement structure of draft rollers who arranges and crisscross setting in proper order along vertical direction top-down to counterpoint the setting along the horizontal direction with two sets of draft roller sets and in order to guarantee horizontal space, make polyethylene fiber drafting machine's main working face department can have sufficient space to supply the staff to carry out relevant online operation such as kinking and handling, thereby has effectively improved polyethylene fiber drafting machine's whole operating efficiency guarantees its work continuity, has effectively avoided simultaneously because of operating space is not enough to the staff the potential safety hazard that causes when carrying out online operation such as kinking and handling, thereby has improved greatly polyethylene fiber drafting machine operation security in the working process.
It should be noted that, in the actual operation of the equipment, the specific position of the polyethylene fiber filament can be directly referred to as shown in fig. 1, that is, the fiber filament is introduced from the drawing roller 14 located at the top end of the upstream drawing roller set 12, then alternately drawn and inserted on each drawing roller 14 in the upstream drawing roller set 12 from top to bottom, then introduced from the drawing roller 14 located at the bottom end of the upstream drawing roller set 12 and introduced into the downstream drawing roller set 13 from the bottom drawing roller 14 of the aligned downstream drawing roller set 13, then alternately drawn and inserted on each drawing roller 14 in the downstream drawing roller set 13 from bottom to top, and finally introduced from the matching surface between the drawing roller located at the top end of the downstream drawing roller set 13 and the pressure roller 15 for the subsequent process treatment.
Further, the axial length of the drafting roller positioned at the uppermost end in the downstream drafting roller group 13 is larger than that of the remaining drafting rollers 14. In practical applications, the drawing roller located at the uppermost end in the downstream drawing roller set 13 is generally referred to as a filament output roller, and for the convenience of intuitively understanding the position of the filament output roller, the position of the filament output roller is indicated by reference numeral 141 in fig. 1, the position of the drawing roller located at the uppermost end in the downstream drawing roller set 13 mentioned in the rest of the present document can directly refer to the position of the filament output roller 141, the filament output roller 141 is mainly and properly fitted and adapted to the pressing roller 15 to ensure that the filament processed by the polyethylene fiber drawing machine can be smoothly and regularly output to the downstream station equipment, and the filament output roller 141 is configured to have a structure with an axial length greater than that of the remaining drawing rollers 14, so that a worker can complete the connection operation of the initial position filament at the pressing roller 15 and the filament output roller 141 by simply performing filament hooking when the ribbon yarn is started, thereby effectively simplifying the operation flow, the operation difficulty is reduced, and meanwhile, the risk that fingers of workers are pressed and damaged when the workers drive to carry wires into the matching surface between the press roller 15 and the wire outlet roller 141 is effectively prevented, so that the corresponding operation safety is greatly improved.
It should be further noted that, since the remaining structures and properties except the axial length are substantially the same, the content of the relative distinction relationship between the "uppermost draft roller in the downstream draft roller group 13" and the "remaining draft rollers 14" is not particularly described herein, and the "uppermost draft roller in the downstream draft roller group 13" (i.e., "the yarn discharge roller 141") belongs to one of the draft rollers 14.
Specifically, the axial length of the draft roller positioned at the uppermost end in the downstream draft roller group 13 is 50 to 80mm longer than the axial length of the remaining draft rollers 14. That is, as shown in the figure, the axial length of the yarn outlet roller 141 is 50mm to 80mm longer than the axial lengths of the rest of the drafting rollers 14, and the length difference can effectively ensure that the worker has sufficient operation space, thereby avoiding safety accidents such as finger pressure injury of the worker during the operation of driving and yarn carrying, and ensuring the operation safety and the operation efficiency of the equipment.
More specifically, the axial length of the draft rollers 14 other than the draft roller positioned at the uppermost end in the downstream draft roller group 13 is 1750mm to 4500 mm. That is, the axial length of the draft rollers 14 other than the yarn exit roller 141 is 1750mm to 4500 mm. Of course, the relative length between the filament outlet roller 141 and the rest of the drafting rollers 14 and the length of each drafting roller 14 are not limited to the above, and in practical application, the relevant size can be flexibly adjusted according to the working condition, and in principle, the polyethylene fiber drafting machine can be used as long as the practical use requirement of the polyethylene fiber drafting machine can be met.
On the other hand, the pitch of the projections of the axes of the draft rollers 14 in the upstream draft roller group 12 in the same horizontal plane is 100mm to 700 mm; the pitch of the projections of the axes of the draft rollers 14 in the downstream draft roller group 13 on the same horizontal plane is 100mm to 700 mm. That is, the center distance between the axes of the drawing rollers 14 in the same drawing roller set is 100mm to 700mm, so as to further ensure the ductility of the transverse space between the different drawing rollers 14 in the same drawing roller set, and optimize the relative position and arrangement relationship between the drawing rollers 14, so as to further improve the operation efficiency and safety of the polyethylene fiber drawing machine.
Further, the horizontal distance between the upstream draft roller group 12 and the downstream draft roller group 13 is 600mm to 800 mm. This horizontal spacing size can guarantee to possess sufficient horizontal space between upstream draft roller set 12 and downstream draft roller set 13 and carry out relevant on-line operation for the staff to further avoid because of the potential safety hazard that the operating space is not enough and lead to, guarantee polyethylene fiber draft machine's operation security and convenience.
The inter-group transmission mechanism is a transmission belt connected between any one of the draft rollers 14 in the upstream draft roller group 12 and any one of the draft rollers 14 in the downstream draft roller group 13. The structure adaptability between the driving belt and each drawing roller 14 is good, the driving efficiency is high, the driving process is stable and reliable, the actual use requirement of the polyethylene fiber drawing machine can be fully met, and the equipment performance is ensured.
More specifically, the frame 11 is provided with an adjusting tensioner (not shown in the figures) adapted to the belt. In actual operation, the tightness of the transmission belt and the fitting adaptive state between the transmission belt and each drawing roller 14 can be properly adjusted by utilizing the adjusting tensioning wheel, so that the transmission efficiency and the transmission effect under different working conditions are ensured.
In addition, the bottom of the frame 11 is provided with a base 17, the bottom of the base 17 is provided with a plurality of adjusting cushion blocks 171, and the adjusting cushion blocks 171 are provided with adjusting bolts 172 matched with the base 17. By controlling the relative positions of the adjusting bolt 172, the adjusting cushion block 171 and the threaded holes on the base 17, the height of each part of the base 17 is adjusted, so that the overall levelness and the structural balance of the base 17 are correspondingly adjusted, and the installation and operation requirements of equipment under different working conditions are met.
In summary, in the working process of the polyethylene fiber drafting machine provided by the invention, two groups of drafting roller arrangement structures which are sequentially arranged from top to bottom along the vertical direction and are arranged in a staggered manner are adopted, and two groups of drafting roller sets are arranged in an aligning manner along the horizontal direction to ensure the transverse space, so that the main working face of the polyethylene fiber drafting machine can have sufficient space for workers to perform related online operations such as wire winding processing and the like, the overall working efficiency of the polyethylene fiber drafting machine is effectively improved, the working continuity of the polyethylene fiber drafting machine is ensured, meanwhile, the potential safety hazard caused by the online operations such as wire winding processing and the like of the workers due to insufficient operating space is effectively avoided, and the operating safety in the working process of the polyethylene fiber drafting machine is greatly improved.
The polyethylene fiber drafting machine provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. A polyethylene fiber drafting machine is characterized in that: the front part of the frame is provided with an upstream drawing roller set and a downstream drawing roller set in a contraposition manner along the horizontal direction, the upstream drawing roller set and the downstream drawing roller set respectively comprise a plurality of drawing rollers which are sequentially arranged along the vertical direction and are alternately staggered and arranged in parallel, and the top of the frame is provided with a press roller which is matched with the drawing roller positioned at the uppermost end in the downstream drawing roller set in a contraposition and joint manner;
the frame is also provided with a driving device which can drive one of the drawing rollers to rotate in a fixed shaft mode, all the drawing rollers in the upstream drawing roller group and all the drawing rollers in the downstream drawing roller group are linked through gear boxes respectively, and an inter-group transmission mechanism is connected between the upstream drawing roller group and the downstream drawing roller group.
2. The polyethylene fiber drawing machine of claim 1, wherein: the axial length of the drafting roller at the uppermost end in the downstream drafting roller group is greater than that of the other drafting rollers.
3. The polyethylene fiber drawing machine of claim 2, wherein: the axial length of the drafting roller at the uppermost end in the downstream drafting roller group is 50 mm-80 mm longer than that of the other drafting rollers.
4. The polyethylene fiber drawing machine of claim 3, wherein: the axial length of the rest drafting rollers except the drafting roller positioned at the uppermost end in the downstream drafting roller group is 1750 mm-4500 mm.
5. The polyethylene fiber drawing machine of claim 1, wherein: the distance between the projections of the axes of all the drafting rollers in the upstream drafting roller group in the same horizontal plane is 100 mm-700 mm;
the projection distance of the axes of all the drafting rollers in the downstream drafting roller group in the same horizontal plane is 100 mm-700 mm.
6. The polyethylene fiber drawing machine of claim 1, wherein: the horizontal distance between the upstream drafting roller group and the downstream drafting roller group is 600 mm-800 mm.
7. The polyethylene fiber drawing machine of claim 1, wherein: the inter-group transmission mechanism is a transmission belt connected between any drafting roller in the upstream drafting roller group and any drafting roller in the downstream drafting roller group.
8. The polyethylene fiber drawing machine of claim 7, wherein: and an adjusting tension wheel matched with the transmission belt is arranged on the frame.
9. The polyethylene fiber drawing machine of claim 1, wherein: the bottom of frame is provided with the base, the bottom of base is provided with a plurality of adjusting pad, be provided with on the adjusting pad with base complex adjusting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786044.XA CN110725020A (en) | 2018-07-17 | 2018-07-17 | Polyethylene fiber drafting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786044.XA CN110725020A (en) | 2018-07-17 | 2018-07-17 | Polyethylene fiber drafting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110725020A true CN110725020A (en) | 2020-01-24 |
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ID=69217543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810786044.XA Pending CN110725020A (en) | 2018-07-17 | 2018-07-17 | Polyethylene fiber drafting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110725020A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325297A (en) * | 1970-05-14 | 1973-08-01 | Hoechst Ag | Process for the manufacture of polyester filaments having a low degree of shrinkage |
| CN101575756A (en) * | 2008-05-05 | 2009-11-11 | 宁波荣溢化纤科技有限公司 | Stretching method of ultra-high molecular weight polyethylene precursor fiber |
| CN205635877U (en) * | 2016-05-24 | 2016-10-12 | 浙江金湖塑机股份有限公司 | A vertical draft machine for fibre draft |
| CN106471166A (en) * | 2014-06-07 | 2017-03-01 | 欧瑞康纺织有限及两合公司 | A kind of apparatus and method for extraction and many of drawing-off new spinning fiber |
| CN106591974A (en) * | 2016-12-30 | 2017-04-26 | 哈尔滨天顺化工科技开发有限公司 | Cold drafting device for carbon fiber precursor production |
| CN206538518U (en) * | 2017-01-19 | 2017-10-03 | 青岛信泰科技有限公司 | A kind of roller drafting machine of high-strength high-modulus polyethylene fiber seven |
-
2018
- 2018-07-17 CN CN201810786044.XA patent/CN110725020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325297A (en) * | 1970-05-14 | 1973-08-01 | Hoechst Ag | Process for the manufacture of polyester filaments having a low degree of shrinkage |
| CN101575756A (en) * | 2008-05-05 | 2009-11-11 | 宁波荣溢化纤科技有限公司 | Stretching method of ultra-high molecular weight polyethylene precursor fiber |
| CN106471166A (en) * | 2014-06-07 | 2017-03-01 | 欧瑞康纺织有限及两合公司 | A kind of apparatus and method for extraction and many of drawing-off new spinning fiber |
| CN205635877U (en) * | 2016-05-24 | 2016-10-12 | 浙江金湖塑机股份有限公司 | A vertical draft machine for fibre draft |
| CN106591974A (en) * | 2016-12-30 | 2017-04-26 | 哈尔滨天顺化工科技开发有限公司 | Cold drafting device for carbon fiber precursor production |
| CN206538518U (en) * | 2017-01-19 | 2017-10-03 | 青岛信泰科技有限公司 | A kind of roller drafting machine of high-strength high-modulus polyethylene fiber seven |
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Application publication date: 20200124 |