CN210314634U - Pre-drafting machine for producing high-strength high-modulus polyethylene fibers - Google Patents
Pre-drafting machine for producing high-strength high-modulus polyethylene fibers Download PDFInfo
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- CN210314634U CN210314634U CN201921174258.8U CN201921174258U CN210314634U CN 210314634 U CN210314634 U CN 210314634U CN 201921174258 U CN201921174258 U CN 201921174258U CN 210314634 U CN210314634 U CN 210314634U
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- compression roller
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Abstract
The utility model discloses a high-strength high-modulus polyethylene fiber production is with drafting machine in advance, belong to chemical fiber production facility technical field, its technical scheme main points are including the frame, lead the compression roller set, the drive leads compression roller set pivoted first power device, draft roller set and drive draft roller set pivoted second power device, wherein, lead the compression roller set and lead the compression roller including first compression roller and the second of leading, the second leads the compression roller to be fixed in the frame, there is the slide that is located the second and leads compression roller top and slide along the horizontal direction in the frame, first lead on the compression roller is fixed in this slide, lead the compression roller set still include the translation device that the drive slide removed with detect first compression roller and the second lead the detection device of distance between the compression roller. The first drawing and pressing roller is driven to move, so that the distance between the first drawing and pressing roller and the second drawing and pressing roller is adjusted, the best compression strength of the filament bundle is achieved, and the tensile strength and the tensile efficiency of the filament bundle are improved.
Description
Technical Field
The utility model belongs to the technical field of chemical fiber production facility, refer in particular to a high-strength high-modulus polyethylene fiber production is with drafting machine in advance.
Background
The drafting machine is one of the main equipments for the post-treatment of spinning, and has the function of applying an axial external force to the tow under a certain condition to thin the single fiber (or called nylon yarn) in the tow, improve the orientation degree, and change the single fiber from a low-strength and high-elongation plastic state to a high-strength and low-elongation elastic state.
The drafting machine mainly comprises a drafting roller and a drafting roller, the drafting roller is used for stretching the tows through rotation, and the drafting roller is used for compressing the tows so as to improve the drafting efficiency and the strength of the tows, and the phenomenon that the tows slip when being dragged is avoided. Because different fibers have different tensile strengths, the compression degree of the drawing roller on the tows has larger influence on the drawing of the tows, if the compression is too tight, the tows are drawn and broken, the compression degree of common fibers is smaller, and the compression degree of high-strength high-modulus fibers can be improved, so that the drawing machine capable of adjusting the compression degree of the drawing roller on the tows is necessary to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-strength high-modulus polyethylene fiber production is with draft machine in advance can adjust the compression roller that leads, makes its degree of compressing tightly to the silk bundle reach moderately, and then improves the tensile efficiency of silk bundle and the intensity of silk bundle.
The purpose of the utility model is realized like this: the pre-drafting machine comprises a frame, a drafting and pressing roller set, a first power device for driving the drafting and pressing roller set to rotate, a drafting roller set and a second power device for driving the drafting and pressing roller set to rotate, wherein the drafting and pressing roller set comprises a first drafting and pressing roller and a second drafting and pressing roller, the second drafting and pressing roller is fixed on the frame, a sliding seat which is located above the second drafting and pressing roller and slides along the horizontal direction is arranged on the frame, the first drafting and pressing roller is fixed on the sliding seat, the drafting and pressing roller set further comprises a translation device for driving the sliding seat to move and a detection device for detecting the distance between the first drafting and pressing rollers.
The first power device and the second power device both comprise a driving motor and a speed reducer, and the driving motor drives the second drawing roller and the plurality of drawing rollers to rotate.
The detection device comprises a PLC controller, a sensor and a numerical control display.
The utility model discloses further set up to: the translation device is gear drive, gear drive includes servo motor A, gear and the rack of auto-lock, servo motor A set up in the frame, the gear set up in servo motor A's pivot is last, the rack is followed the sliding direction of slide set up in on the slide, just the gear with the mutual meshing of rack.
The utility model discloses further set up to: the other translation device is provided and comprises a self-locking servo motor B and a ball screw connected to the servo motor B, wherein the servo motor B is arranged on the rack, a through hole formed in the sliding seat along the sliding direction of the sliding seat is formed in the sliding seat, the ball screw penetrates through the through hole, and a nut seat on the ball screw is fixed in the through hole.
The utility model discloses further set up to: and a servo motor encoder is also arranged on the servo motor B.
Through adopting above-mentioned technical scheme, first lead the compression roller and slide through the slide and set up in second lead compression roller top, the slide drives it through the translation device to adopt the PLC controller to calculate the linear distance between first lead compression roller and the second lead compression roller, thereby test out the best compressive strength of polyethylene fibre, and then improve its tensile strength and tensile efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of another view angle of the present invention;
FIG. 3 is a schematic view of the structure of a translation device in embodiment 1;
fig. 4 is a schematic structural view of the present invention of embodiment 2;
the reference numbers in the figures are: 1. a frame; 2. a drawing and pressing roller group; 21. a first pulling and pressing roller; 22. a second pulling and pressing roller; 23. a slide base; 24. a translation device; 241. a servo motor A; 242. a gear; 243. a rack; 244. a servo motor B; 245. a ball screw; 25. a detection device; 3. a first power unit; 31. a drive motor; 32. a speed reducer; 4. a drawing roller set; 41. a drawing roller; 5. and a second power device.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3, in example 1, a pre-drawing machine for producing high-strength and high-modulus polyethylene fibers includes a frame 1, a drawing and pressing roller set 2, a first power device 3 for driving the drawing and pressing roller set 2 to rotate, a drawing roller set 4, and a second power device 5 for driving the drawing roller set 4 to rotate. The draft roller group 4 is composed of 5 or more than 5 draft rollers 41, and the draft rollers 41 are arranged one above the other, so that the number of the draft rollers 41 is increased, the holding force of the draft rollers 41 on the filament bundle can be improved, and the stability of the filament bundle drawing can be ensured. The first power device 3 and the second power device 5 both comprise a driving motor 31 and a speed reducer 32, and after the speed of the driving motor 31 is reduced by the speed reducer 32, the driving motor drives each drafting roller 41 and each drafting roller group 2 to rotate through a belt pulley.
The drawing and pressing roller group 2 comprises a first drawing and pressing roller 21, a second drawing and pressing roller 22 and a power device for driving the first drawing and pressing roller 21 to rotate directionally, the second drawing and pressing roller 22 is fixed on the rack 1, a sliding seat 23 which is positioned above the second drawing and pressing roller 22 and slides along the horizontal direction is arranged on the rack 1, the first drawing and pressing roller 21 is fixed on the sliding seat 23, the drawing and pressing roller group 2 further comprises a translation device 24 for driving the sliding seat 23 to move and a detection device 25 for detecting the distance between the first drawing and pressing roller 21 and the second drawing and pressing roller 22; the detection device 25 includes a PLC controller, a sensor, and a numerical control display.
The sliding base 23 is driven to move by the translation device 24, so as to adjust the distance between the first traction roller 21 and the second traction roller 22, the distance moved by the translation device 24 (i.e. the minimum distance between the reference plane passing through the axis of the second traction roller in the vertical direction and the first traction roller 21) is transmitted to the PLC by a sensor, and the distance between the first traction roller 21 and the second traction roller 22 is calculated by the PLC and displayed on the numerical control display.
The translation device 24 is a gear transmission device, the gear transmission device includes a self-locking servo motor a241, a gear 242 and a rack 243, the servo motor a241 is disposed on the frame 1, the gear 242 is disposed on a rotating shaft of the servo motor a241, the rack 243 is disposed on the sliding base 23 along a sliding direction of the sliding base 23, and the gear 242 and the rack 243 are engaged with each other.
The servo motor a241 drives the gear 242 to rotate, so that the rack 243 moves and drives the sliding seat 23 to move, thereby driving the sliding seat 23.
As shown in fig. 4, embodiment 2 and embodiment 2 differ from embodiment 1 in that another translation device 24 is provided, the translation device 24 includes a self-locking servo motor B244 and a ball screw 245 connected to the servo motor B244, the servo motor B244 is disposed on the frame 1, the slide base 23 has a through hole opened along a sliding direction thereof, the ball screw 245 is disposed through the through hole, and a nut seat on the ball screw 245 is fixed in the through hole.
The ball screw 245 has high transmission efficiency and accurate positioning, and the sliding seat 23 is driven by the ball screw 245 to move, which is beneficial to adjusting the distance between the first drawing roller 21 and the second drawing roller 22.
Further optimization, the servo motor B244 is further provided with a servo motor encoder, and the servo motor encoder can further improve the self-locking capacity of the servo motor B244, so that the distance between the first drawing and pressing roller 21 and the second drawing and pressing roller 22 is optimal.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a high-strength high-modulus polyethylene fiber production is with drafting machine in advance, includes frame (1), draws compression roller set (2), drive and draws compression roller set (2) pivoted first power device (3), draft roller set (4) and drive draft roller set (4) pivoted second power device (5), its characterized in that: the drawing and pressing roller set (2) comprises a first drawing and pressing roller (21) and a second drawing and pressing roller (22), the second drawing and pressing roller (22) is fixed on the rack (1), a sliding seat (23) which is located above the second drawing and pressing roller (22) and slides along the horizontal direction is arranged on the rack (1), the first drawing and pressing roller (21) is fixed on the sliding seat (23), and the drawing and pressing roller set (2) further comprises a translation device (24) for driving the sliding seat (23) to move and a detection device (25) for detecting the distance between the first drawing and pressing roller (21) and the second drawing and pressing roller (22).
2. The pre-drafting machine for producing high-strength high-modulus polyethylene fiber according to claim 1, characterized in that: the detection device (25) comprises a PLC controller, a sensor and a numerical control display.
3. The pre-drafting machine for producing high-strength high-modulus polyethylene fiber according to claim 1, characterized in that: translation device (24) are gear (242) transmission, gear (242) transmission includes servo motor A (241), gear (242) and rack (243) of auto-lock, servo motor A (241) set up in on frame (1), gear (242) set up in on the pivot of servo motor A (241), rack (243) are followed the sliding direction of slide (23) set up in on slide (23), just gear (242) with rack (243) meshing each other.
4. The pre-drafting machine for producing high-strength high-modulus polyethylene fiber according to claim 1, characterized in that: the translation device (24) comprises a self-locking servo motor B (244) and a ball screw (245) connected to the servo motor B (244), the servo motor B (244) is arranged on the rack (1), a through hole formed in the sliding direction of the sliding seat (23) is formed in the sliding seat, the ball screw (245) penetrates through the through hole, and a nut seat on the ball screw (245) is fixed in the through hole.
5. The pre-drafting machine for producing high-strength high-modulus polyethylene fiber according to claim 4, wherein: and a servo motor encoder is also arranged on the servo motor B (244).
6. The pre-drafting machine for producing high-strength high-modulus polyethylene fiber according to claim 1, characterized in that: the drawing roller group (4) is composed of a plurality of drawing rollers (41), the first power device (3) and the second power device (5) both comprise a driving motor (31) and a speed reducer (32), and the driving motor (31) drives the second drawing roller (22) and the plurality of drawing rollers (41) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174258.8U CN210314634U (en) | 2019-07-24 | 2019-07-24 | Pre-drafting machine for producing high-strength high-modulus polyethylene fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174258.8U CN210314634U (en) | 2019-07-24 | 2019-07-24 | Pre-drafting machine for producing high-strength high-modulus polyethylene fibers |
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| Publication Number | Publication Date |
|---|---|
| CN210314634U true CN210314634U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921174258.8U Active CN210314634U (en) | 2019-07-24 | 2019-07-24 | Pre-drafting machine for producing high-strength high-modulus polyethylene fibers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663366A (en) * | 2020-11-27 | 2021-04-16 | 山东鲁普科技有限公司 | Fiber rope pre-drafting device and pre-drafting method |
| CN112881177A (en) * | 2021-02-05 | 2021-06-01 | 自然资源部第一海洋研究所 | Method for calibrating elastic coefficient of anchoring nylon rope of deep sea buoy |
| CN113445171A (en) * | 2021-07-30 | 2021-09-28 | 苏州贤辉新纺织科技有限公司 | Finishing method for 5tex fiber drafting process by utilizing recycled polyester fibers |
-
2019
- 2019-07-24 CN CN201921174258.8U patent/CN210314634U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663366A (en) * | 2020-11-27 | 2021-04-16 | 山东鲁普科技有限公司 | Fiber rope pre-drafting device and pre-drafting method |
| CN112881177A (en) * | 2021-02-05 | 2021-06-01 | 自然资源部第一海洋研究所 | Method for calibrating elastic coefficient of anchoring nylon rope of deep sea buoy |
| CN113445171A (en) * | 2021-07-30 | 2021-09-28 | 苏州贤辉新纺织科技有限公司 | Finishing method for 5tex fiber drafting process by utilizing recycled polyester fibers |
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