CN214086942U - Tension tensioning device for melt-blown fabric production - Google Patents
Tension tensioning device for melt-blown fabric production Download PDFInfo
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- CN214086942U CN214086942U CN202022983406.XU CN202022983406U CN214086942U CN 214086942 U CN214086942 U CN 214086942U CN 202022983406 U CN202022983406 U CN 202022983406U CN 214086942 U CN214086942 U CN 214086942U
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- blown fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 11
- 238000004804 winding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The application relates to a tension tensioning device for melt-blown fabric production, which belongs to the technical field of non-woven machinery and comprises a rack, an infrared detector connected with the rack and used for detecting the tension degree of the melt-blown fabric, and a lifting frame connected with the rack and used for adjusting the tension degree of the melt-blown fabric; the frame is connected with a conveying roller for conveying the melt-blown fabric, the lifting frame is connected with a tensioning roller for conveying the melt-blown fabric, and the melt-blown fabric sequentially bypasses the conveying roller and the tensioning roller; the frame is also connected with a lifting part which drives the lifting frame according to the detection signal of the infrared detector. The application has solved the melt-blown fabric and has appeared warping and torn problem at the in-process tension grow of rolling up.
Description
Technical Field
The application relates to the technical field of non-woven machinery, in particular to a tension tensioning device for melt-blown fabric production.
Background
The melt-blown cloth is a filtering material taking polypropylene as a main raw material, has good filtering property, shielding property, heat insulation property and oil absorption property, and can be used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, heat-insulating materials, wiping cloth and the like.
The raw material polymer of the melt-blown non-woven fabric is melted at high temperature, extruded, cooled and condensed on a condensing screen curtain or a roller to form melt-blown fabric, and the melt-blown fabric is wound into a melt-blown fabric roll finished product through winding of a winding device. In-process at the melt-blown fabric coiling, the wind-up roll of rolling melt-blown fabric is along with more and more melt-blown fabric coiling on it, the radius of the melt-blown fabric of winding on the roller can be bigger and bigger, the linear velocity of wind-up roll is increasingly fast, simultaneously, the production transmission device speed of melt-blown fabric keeps almost unchangeable, this will make the receipts of melt-blown fabric unreel speed and produce the difference, thereby make the melt-blown fabric by the tensioning gradually, the melt-blown fabric is unchangeable for keeping tension in data send process, the rotational speed that generally makes the wind-up roll reduces along with the radius grow of melt-blown fabric and gradual control.
However, even if the speed of the wind-up roll is reduced by controlling the rotating speed of the driving motor, the speed of discharging and receiving materials is still difficult to keep consistent all the time, so that the tension of the meltblown fabric is increased, and the meltblown fabric is deformed and torn.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the melt-blown fabric deforms and tears when the tension becomes large in the winding process, the application provides a tension tensioning device for melt-blown fabric production.
A tension tensioning device for melt-blown fabric production comprises a rack, an infrared detector connected with the rack and used for detecting the tension degree of melt-blown fabric, and a lifting frame connected with the rack and used for adjusting the tension degree of melt-blown fabric; the frame is connected with a conveying roller for conveying the melt-blown fabric, the lifting frame is connected with a tensioning roller for conveying the melt-blown fabric, and the melt-blown fabric sequentially bypasses the conveying roller and the tensioning roller; the frame is also connected with a lifting part which drives the lifting frame according to the detection signal of the infrared detector.
Through the above-mentioned technique, the melt-blown fabric passes through the conveying of conveying roller and tensioning roller, with the melt-blown fabric winding on the wind-up roll, along with operating time's change, the diameter of melt-blown fabric winding on the wind-up roll is bigger and bigger, at this moment, infrared detector detects the tension grow of melt-blown fabric and will detect information transfer and give lift portion, the lift of lift portion adjustment crane, and then the tensioning degree of adjustment tensioning roller and melt-blown fabric, guarantee that melt-blown fabric is in invariable tensioning state always, avoid melt-blown fabric because of the too big appearance deformation of tension and the tearing condition.
Preferably, the lifting frame is connected with a plurality of tensioning rollers for conveying the melt-blown fabric.
Through the technology, compared with the single tensioning roller, the tensioning of the melt-blown fabric is realized by the lifting frame with shorter lifting distance through the tensioning rollers, and the kinetic energy consumed by the lifting part for driving the lifting frame to lift is effectively reduced.
Preferably, it is characterized in that: the lifting part comprises a worm connected to the rack and extending along the length direction of the conveying roller, a first worm gear assembly connected to one end of the worm and used for driving one side of the lifting frame to lift, and a second worm gear assembly connected to the other end of the worm and used for driving the other side of the lifting frame to lift, and the worm is connected with a motor for driving the worm to rotate; the first worm wheel assembly and the second worm wheel assembly are connected to the rack and are driven synchronously with the worm.
Through the technology, the motor drives the worm to rotate, and the worm drives the first worm gear assembly and the first worm gear assembly which are arranged on two sides of the rack, so that the lifting frame is controlled to lift. Arrange in the lift that first worm wheel assembly and the second worm wheel assembly at the both ends of worm can follow the rotation synchronous drive crane of worm, avoid single lifting member to lead to the both sides lift inconsistent of tensioning roller, further lead to the tension inconsistent of tensioning roller both sides melt-blown cloth.
Preferably, it is characterized in that: first worm wheel subassembly is including the worm wheel with worm meshing, coaxial and fixed connection in the actuating lever of worm wheel, the screw thread that extends along actuating lever length direction is seted up to the actuating lever periphery wall, actuating lever and crane threaded connection.
Through the above-mentioned technique, the motor drive worm rotates, also rotates along with worm pivoted rotation with worm meshed worm wheel, and the worm wheel slows down through great drive ratio, and the worm wheel rotates simultaneously and drives the actuating lever and rotate, and the screw-thread fit of actuating lever and crane makes the crane reciprocate along the length direction of actuating lever, has realized the tensioning roller position adjustment of crane.
Preferably, the lifting frame is abutted with a reinforcing piece for reinforcing the connection strength between the lifting frame and the driving rod, and the reinforcing piece is provided with a threaded through hole matched with the driving rod; the reinforcement with the crane looks butt, and the reinforcement all seted up the connecting hole with the butt department of crane, two coaxial settings of connecting hole, be connected with the connecting screw rod that is used for connecting crane and reinforcement in the connecting hole.
Through the above-mentioned technique, the reinforcement further strengthens its joint strength on the basis of being connected of actuating lever and crane, specifically is that the reinforcement links into an integrated entity with the crane, and the reinforcement also carries out screw-thread fit with the actuating lever, has consequently increased the threaded connection area of contact between crane and the actuating lever, effectively reduces the elevator and to the harm of actuating lever screw thread under self action of gravity, improves actuating lever gear drive's work precision and life.
Preferably, the rack is fixedly connected with a plurality of limiting rods for limiting the second rack, the limiting rods extend along the vertical direction, the second rack is provided with vertical through holes matched with the limiting rods, and the limiting rods penetrate through the second rack through the vertical through holes; the limiting rod is arranged in parallel with the driving rod.
Through the technology, the limiting rod connected to the first rack effectively prevents the lifting frame from rotating along the circumferential direction of the driving rod, so that the lifting frame can only move along the length direction of the driving rod under the driving of the driving machine.
Preferably, the periphery of the first worm gear component is provided with a protective cover, and the protective cover is connected to the machine frame.
Through the technology, when the lifting part operates, the lifting parts on two sides of the conveying roller can be protected by the protective cover, and the human body is prevented from touching partial parts of the lifting part and being injured.
Preferably, the delivery roller is equipped with first bearing with the junction of frame, the tensioning roller is equipped with the second bearing with the junction of crane.
Through the technology, the first bearing supports the conveying roller through the rack and enables the conveying roller to keep independent rotation relative to the rack, and the friction force of relative rotation of the conveying roller and the first rack is effectively reduced; the second bearing also effectively reduces the friction force of the relative rotation of the tensioning roller and the lifting frame.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the lifting frame for adjusting the tensioning degree of the melt-blown fabric is arranged on the rack, the infrared detector for detecting the tensioning degree of the melt-blown fabric is arranged on the rack, so that the real-time detection of the tensioning degree of the melt-blown fabric is realized, and the tensioning degree of the melt-blown fabric is adjusted by the lifting frame, so that the tensioning degree of the melt-blown fabric is ensured to be always in a nearly constant tensioning state;
2. through set up first worm wheel subassembly and second worm wheel subassembly in crane both sides, and first worm wheel subassembly and second worm wheel subassembly pass through worm synchronous drive for the crane both sides go up and down in step, and then have guaranteed that the tension of melt-blown fabric both sides is unanimous.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a crane according to an embodiment of the present application;
fig. 3 is a schematic structural view of a reinforcing member according to an embodiment of the present application.
Description of reference numerals: 1. a frame; 11. a conveying roller; 2. a lifting frame; 21. a tension roller; 3. a lifting part; 31. a motor; 32. a worm; 33. a first worm gear assembly; 331. a worm gear; 332. a drive rod; 34. a reinforcement; 341. a threaded through hole; 342. connecting a screw rod; 4. an infrared detector; 5. a wind-up roll; 6. and (4) melt-spraying cloth.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a tension tensioning device for melt-blown fabric production. Referring to fig. 1, five parts are included: frame 1, crane 2, lift portion 3, infrared detector 4, wind-up roll 5, 1 rotations of frame are connected with the conveying roller 11 that is used for transmitting melt-blown fabric 6, and crane 2 rotates and is connected with the tensioning roller 21 that is used for transmitting melt-blown fabric 6, and melt-blown fabric 6 is around establishing on conveying roller 11 and tensioning roller 21 to finally around establishing on the wind-up roll 5 that is located 1 back station in the frame.
The melt-blown fabric 6 texture that relates to in this application is softer, easily by the shredding, consequently at the in-process of 6 transmission of melt-blown fabric and rolling, need strict control melt-blown fabric 6's tension, infrared detector 4 sets up in frame 1, and be located melt-blown fabric 6 under, the vertical upwards setting of sense terminal of infrared detector 4, come the interval between real-time supervision melt-blown fabric 6 and the infrared detector 4 through infrared reflection, when interval between the two is too little, explain melt-blown fabric 6 and hang down, tension undersize this moment, when interval between the two is too big, explain melt-blown fabric 6 by taut straight, tension is too big this moment.
The infrared detector 4 transmits real-time detection data to the lifting part 3, the lifting part 3 drives the lifting frame 2 to move up and down, and then the tension of the meltblown fabric 6 is controlled, so that the meltblown fabric 6 is always under the action of nearly constant tension, the situation that the meltblown fabric 6 is deformed and torn is prevented from being overlarge tension.
The crane 2 rotates and is connected with a plurality of tensioning rollers 21, and a plurality of tensioning rollers 21 are arranged along the transmission direction of melt-blown fabric 6 in proper order, compares in arranging single tensioning roller 21, and a plurality of tensioning rollers 21 are more with the butt area of melt-blown fabric 6, and consequently, crane 2 only need go up and down less distance then can adjust the degree of supporting tightly of melt-blown fabric 6 and tensioning roller 21.
Conveying roller 11 is equipped with first bearing with the junction of frame 1, and tensioning roller 21 is equipped with the second bearing with the junction of crane 2, and the setting of first bearing and second bearing effectively reduces conveying roller 11 and first frame between 1, relative pivoted frictional force between tensioning roller 21 and the crane 2.
In order to reduce the workload of the lifting part 3, the diameter of the tension roller 21 is smaller than that of the output roller, so that the weight of the lifting frame 2 is reduced, and the lifting part 3 is more favorable for driving the lifting frame 2 to move.
Referring to fig. 2, in order to allow the crane 2 to move up and down smoothly, the elevating part 3 includes a worm 32, a first worm gear assembly 33, and a second worm gear assembly, the worm 32 is connected to the frame 1 and extends along the length direction of the conveyor roller 11, the first worm gear assembly 33 is connected to one end of the worm 32 for driving the crane 2 to move up and down, and the first worm gear assembly 33 is connected to the other end of the worm 32 for driving the crane 2 to move up and down.
The worm 32 is connected with the motor 31, and the motor 31 drive worm 32 rotates, and the first worm wheel subassembly 33 of worm 32 synchronous drive and second worm wheel subassembly for the both sides of crane 2 are under the synchronous drive of first worm wheel subassembly 33 and second worm wheel subassembly, and the lift keeps unanimous, effectively avoids tensioning roller 21 both sides melt-blown coating 6 because the inconsistent condition that leads to tension inconsistent of lift degree.
The first worm wheel assembly 33 includes: worm wheel 331, coaxial and fixed connection in worm wheel 331 that mesh with worm 32 are in the actuating lever 332 of actuating lever 331, and the direction that self length extension is followed to actuating lever 332 periphery wall is seted up threadedly, and the lift through-hole of cooperation actuating lever 332 is seted up to crane 2, and during the actuating lever 332 worn to locate lift through-hole, and the screw thread of cooperation actuating lever 332 was seted up to lift through-hole pore wall.
3 drive lifters of lift portion reciprocate along actuating lever 332 in, in order to avoid crane 2 to rotate along actuating lever 332's periphery wall, a plurality of gag lever posts that are used for 2 spacing gag lever posts of crane of fixedly connected with on the frame 1, the gag lever post extends and butt in ground along vertical direction, crane 2 seted up with gag lever post complex vertical through-hole, the gag lever post passes crane 2 through vertical through-hole.
In order to avoid that the stop lever does not influence the movement of the crane 2 along the drive rod 332, a plurality of stop levers are arranged parallel to the drive rod 332.
Referring to fig. 2 and 3, the whole weight of the crane 2 is supported by the driving rod 332 arranged on both sides of the frame 1, in order to effectively reduce the bearing of the external thread of the driving rod 332 and improve the working accuracy and the service life of the driving rod 332, the crane 2 is abutted with the reinforcement 34 for reinforcing the connection relation between the crane 2 and the driving rod 332, the reinforcement 34 is provided with a thread through hole 341 matched with the driving rod 332, and the driving rod 332 passes through the thread through hole 341 and is in thread fit with the reinforcement 34.
The reinforcing part 34 and the lifting frame 2 are connected in a coaxial mode, a connecting hole is formed in the butt joint of the reinforcing part 34 and the lifting frame 2, a connecting screw 342 used for tightly abutting the lifting frame 2 and the reinforcing part 34 is connected in the connecting hole, and the lifting frame 2 and the reinforcing part 34 are connected into a whole through the connecting screw 342. The setting of reinforcement 34 has effectively improved the relation of being connected of actuating lever 332 and crane 2, improves the stability of actuating lever 332 drive crane 2.
Referring to fig. 1, the lifting unit 3 has a matching structure of a worm wheel 331 and a worm 32, and the outer peripheral wall of the driving rod 332 is threaded, so that when the motor 31 drives the lifting unit 3 to operate, in order to avoid human body from touching the mechanical structure and being injured, the peripheries of the first worm wheel assembly 33 and the second worm wheel assembly are provided with protective covers, and the protective covers are connected to the frame 1.
The implementation principle of the tension tensioning device for melt-blown fabric production is as follows: melt-blown fabric 6 passes through conveying roller 11 and tensioning roller 21's conveying, melt-blown fabric 6 is around rolling up on wind-up roll 5, infrared detector 4 implements the tension size that detects melt-blown fabric 6, the information transfer that will detect is for lifting unit 3, lifting unit 3 passes through motor 31 drive worm 32 according to the information of infrared detector 4 feedback and rotates, first worm wheel assembly 33 of worm 32 drive and second worm 32 subassembly, make 2 both sides synchronous lifting movement of crane, the tight degree of support of adjustment tensioning roller 21 and melt-blown fabric 6, and then the tension size of control melt-blown fabric 6. The situation that the tensile force of the melt-blown fabric 6 is increased and the melt-blown fabric 6 is deformed and torn is avoided.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a tension straining device for melt-blown fabric production which characterized in that: comprises a frame (1), an infrared detector (4) connected with the frame (1) and used for detecting the tensioning degree of the melt-blown fabric (6), and a lifting frame (2) connected with the frame (1) and used for adjusting the tensioning degree of the melt-blown fabric (6); the frame (1) is connected with a conveying roller (11) for conveying the melt-blown fabric (6), the lifting frame (2) is connected with a tensioning roller (21) for conveying the melt-blown fabric (6), and the melt-blown fabric (6) sequentially bypasses the conveying roller (11) and the tensioning roller (21); the rack (1) is also connected with a lifting part (3) which drives the lifting rack (2) according to the detection signal of the infrared detector (4).
2. A tension take-up unit for meltblown fabric production as claimed in claim 1, wherein: the lifting frame (2) is connected with a plurality of tensioning rollers (21) used for transmitting the melt-blown fabric (6).
3. A tension take-up unit for meltblown fabric production as claimed in claim 1, wherein: the lifting part (3) comprises a worm (32) connected to the rack (1) and extending along the length direction of the conveying roller (11), a first worm gear component (33) connected to one end of the worm (32) and used for driving one side of the lifting frame (2) to lift, and a second worm gear component connected to the other end of the worm (32) and used for driving the other side of the lifting frame (2) to lift, wherein the worm (32) is connected with a motor (31) for driving the worm (32) to rotate; the first worm wheel assembly (33) and the second worm wheel assembly are connected to the rack (1) and are driven synchronously with the worm (32).
4. A tension take-up unit for meltblown fabric production as claimed in claim 3, wherein: first worm wheel subassembly (33) including worm wheel (331) with worm (32) meshing, coaxial and fixed connection in drive lever (332) of worm wheel (331), the screw thread that extends along drive lever (332) length direction is seted up to drive lever (332) periphery wall, drive lever (332) and crane (2) threaded connection.
5. A tension tensioner as set forth in claim 4, wherein: the lifting frame (2) is abutted with a reinforcing piece (34) for reinforcing the connection strength between the lifting frame (2) and the driving rod (332), and the reinforcing piece (34) is provided with a threaded through hole (341) matched with the driving rod (332); the reinforcing part (34) is connected with the lifting frame (2) in a butt mode, connecting holes are formed in the positions, where the reinforcing part (34) is connected with the lifting frame (2), of the butt portion, the two connecting holes are arranged coaxially, and connecting screw rods (342) used for connecting the lifting frame (2) and the reinforcing part (34) are connected into the connecting holes.
6. A tension tensioner as set forth in claim 4, wherein: the rack (1) is fixedly connected with a plurality of limiting rods for limiting the second rack (1), the limiting rods extend along the vertical direction, the second rack (1) is provided with vertical through holes matched with the limiting rods, and the limiting rods penetrate through the second rack (1) through the vertical through holes; the limiting rod is arranged in parallel with the driving rod (332).
7. A tension take-up unit for meltblown fabric production as claimed in claim 3, wherein: first worm wheel subassembly (33) periphery is provided with the safety cover, the safety cover is connected in frame (1).
8. A tension take-up unit for meltblown fabric production as claimed in claim 1, wherein: the conveying roller (11) is equipped with first bearing with the junction of frame (1), tensioning roller (21) is equipped with the second bearing with the junction of crane (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983406.XU CN214086942U (en) | 2020-12-09 | 2020-12-09 | Tension tensioning device for melt-blown fabric production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983406.XU CN214086942U (en) | 2020-12-09 | 2020-12-09 | Tension tensioning device for melt-blown fabric production |
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| Publication Number | Publication Date |
|---|---|
| CN214086942U true CN214086942U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022983406.XU Expired - Fee Related CN214086942U (en) | 2020-12-09 | 2020-12-09 | Tension tensioning device for melt-blown fabric production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944807A (en) * | 2021-09-17 | 2022-01-18 | 中铁十六局集团电气化工程有限公司 | Anti-vibration's tuber pipe connection structure |
-
2020
- 2020-12-09 CN CN202022983406.XU patent/CN214086942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944807A (en) * | 2021-09-17 | 2022-01-18 | 中铁十六局集团电气化工程有限公司 | Anti-vibration's tuber pipe connection structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |