CN210336983U - Yarn spreading tensioning device for unidirectional pre-dipping composite production equipment - Google Patents
Yarn spreading tensioning device for unidirectional pre-dipping composite production equipment Download PDFInfo
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- CN210336983U CN210336983U CN201921331176.XU CN201921331176U CN210336983U CN 210336983 U CN210336983 U CN 210336983U CN 201921331176 U CN201921331176 U CN 201921331176U CN 210336983 U CN210336983 U CN 210336983U
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Abstract
The utility model discloses an exhibition yarn overspeed device tensioner for one-way preimpregnation compound production equipment, which comprises a frame, the roller is introduced to the fibre, the nip roll, nip roll driving motor, go up the transition roller set, lower transition roller set and tension adjustment mechanism, the fibre is introduced the roller and is installed in the frame and be used for introducing continuous fibers, the nip roll is installed in the frame and is located fibre introduction roller low reaches, the nip roll transmission is connected in the frame and with the nip roll transmission to exhibition motor installation, it all is located nip roll low reaches with lower transition roller set to go up the transition roller set, can follow the lift seat that is provided with who reciprocates in the frame, it installs on the lift seat with/or lower transition roller set to go up the transition roller set, tension adjustment mechanism sets up and is used for driving the lift seat to remove with. Therefore, the horizontal plane position of the upper transition roller set and/or the lower transition roller set is adjusted, the tension adjustment of the continuous fibers during flattening is facilitated, and the flattening effect of the continuous fibers is improved.
Description
Technical Field
The utility model relates to a continuous fibers reinforcing combined material production facility technical field, in particular to be used for one-way preimpregnation compound production facility, with the flat exhibition yarn overspeed device tensioner of continuous fibers exhibition.
Background
Continuous fiber reinforced composites are generally prepared by coating the surface of the fibers with a thermoplastic resin so that a plurality of fibers are bonded together by the thermoplastic resin to form a prepreg sheet having high toughness and strength.
The chinese utility model patent application with publication number CN108688008A discloses an one-way preimpregnation compound production equipment, which is provided with a fiber unreeling device, a four-roller tractor, an eight-roller yarn spreading assembly, a gluing device, a release paper feeding system, a heating and curing device, a five-roller tractor, a finished product reeling device and a control system in sequence from front to back according to the production process sequence of continuous fibers.
The horizontal plane position of each transition roller on the existing eight-roller yarn spreading assembly on the yarn spreading rack is generally fixed and cannot be adjusted up and down, and when continuous fibers are spread flat by the eight-roller yarn spreading assembly, the surface tension of the fibers is uneven, the spreading effect of the surface of the continuous fibers is poor, and the pre-dipping coating performance of the subsequent continuous fibers is influenced. In addition, the rotating speed of the driving motor for driving the flattening roller to rotate is usually consistent with or lower than the drawing speed of the drawing component downstream of the yarn spreading component, the continuous fibers are difficult to tension, and the flattening effect of the continuous fibers is also influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a can adjust fibre surface tension, the exhibition yarn overspeed device tensioner that is used for one-way preimpregnation compound production facility that exhibition effect is better.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a yarn spreading and tensioning device for unidirectional prepreg composite production equipment comprises:
a frame;
the fiber introducing roller is arranged on the frame and is used for introducing continuous fibers;
a nip roll mounted on said frame downstream of said fiber introduction roll;
the flattening motor is arranged on the rack and is in transmission connection with the flattening roller;
an upper transition roller set positioned downstream of the nip rolls;
the lower transition roller group is positioned on the flattening rollers;
the upper transition roller set and/or the lower transition roller set can be arranged on the rack in a vertically moving mode, and a tension adjusting mechanism used for driving the upper transition roller set and/or the lower transition roller set to move is mounted on the rack.
In the above technical solution, preferably, the upper transition roller set is installed on the frame, the frame is provided with a lifting seat capable of moving up and down, the lower transition roller set is installed on the lifting seat, and the tension adjusting mechanism is in transmission arrangement with the lifting seat.
In the above technical solution, preferably, the tension adjusting mechanism includes a screw rod lifter and a power input component mounted on the frame, an input screw rod of the screw rod lifter is in transmission connection with the power input component, and an output screw rod of the screw rod lifter is in transmission connection with the lifting base.
In the above technical solution, preferably, the upper transition roller set includes a plurality of upper transition rollers, the lower transition roller set includes a plurality of lower transition rollers, the plurality of upper transition rollers and the plurality of lower transition rollers are arranged from upstream to downstream, and the plurality of upper transition rollers and the plurality of lower transition rollers are respectively rotatably disposed on the frame.
In the above technical solution, preferably, the speed difference is formed between the rotating speed of the flattening roll and the rotating speed of the upper transition roll and/or the rotating speed of the lower transition roll.
Among the above-mentioned technical scheme, preferred, the nip roll be spline nip roll, the flattening motor be gear motor.
In the above technical solution, it is preferable that the roll stand further includes a plurality of locking members for locking and stopping the rolls other than the nip roll.
In the above technical solution, preferably, the plurality of locking members are in threaded engagement with the shaft end surfaces of the rollers except for the nip roll.
In the above technical solution, preferably, a part of the locking member is fixed to the frame, and another part of the locking member is fixed to the lifting seat.
The utility model discloses a to go up transition roller set and/or lower transition roller set can follow the setting that reciprocates in the frame to at the shelf location be used for driving its tension adjustment mechanism who reciprocates, thereby transition roller set and/or lower transition roller set's horizontal plane position in the regulation, the continuous fibers of being convenient for tension when the exhibition is flat is adjusted, improves continuous fibers's exhibition flat effect.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is an exploded schematic view of the upper and lower transition roller sets of the present invention;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 2;
wherein: 11. a frame; 111. a base; 112. a wallboard; 12. a fiber introduction roller; 13. flattening rollers; 14. flattening the motor; 15. an upper transition roller set; 151. an upper transition roll; 16. a lower transition roller set; 161. a lower transition roll; 17. a lifting seat; 18. a tension adjusting mechanism; 181. a screw rod lifter; 182. a hand wheel; 19. and a locking member.
Detailed Description
To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings. In this embodiment, the upstream refers to a direction of a side where the fiber introducing roll is located, and the downstream refers to a direction of a side where the upper transition roll/the lower transition roll is located. The upper, lower, left, right, front and rear positional relationships correspond to the positional relationships shown in fig. 1, respectively.
The utility model discloses an exhibition yarn overspeed device tensioner mainly used is in the one-way preimpregnation compound production facility, one-way preimpregnation compound production facility mainly comprise fibre unwinding device, draw gear, rubber coating device, basesheet feedway, heating curing device, coiling mechanism and control system according to continuous fibers's production technology order, and the exhibition yarn overspeed device tensioner of present case is located between draw gear and the rubber coating device, it is used for flattening out continuous fibers, the subsequent rubber coating operation of continuous fibers before continuous fibers surface coating colloid. The continuous fiber can be glass fiber, carbon fiber, aramid fiber and the like, and the substrate sheet can be release paper, PE release film and the like.
As shown in fig. 1 to 5, the spread yarn tensioning device includes a frame 11, a fiber introduction roller 12, a nip roller 13, a nip motor 13, an upper transition roller group 15, a lower transition roller group 16, and a tension adjusting mechanism 18.
The frame 11 is mainly composed of a base 111 and two opposite left and right wall plates 112 fixedly mounted on the base 111. The two ends of the fiber introducing roller 12 are rotatably installed between the right and left opposite wall plates 112 of the frame 11 through shaft seats. A fiber draw-in roll 12 is located upstream of the frame 11 for drawing the continuous fibers drawn by the upstream draw-off device onto the spreader tensioner.
The two ends of the flattening roller 13 are rotatably installed between the left and right opposite wall plates 112 of the frame 11 through shaft seats. A flattening motor 13 is fixedly mounted on one side wall plate 112 of the frame 11, and the flattening motor 13 is in transmission connection with the flattening roller 13 and is used for driving the flattening roller 13 to rotate. The flattening motor 13 adopts a speed reduction motor, and can adjust the rotating speed of the flattening roller 13, so that a speed difference is formed between the rotating speed and the traction speed of an upstream traction device, the continuous fibers are forcedly flattened by the flattening roller 13, and the flattening effect is improved. The flattening roller 13 adopts a spline flattening roller 13, the peripheral surface of the spline flattening roller is provided with a wavy convex part, the wavy convex part extends along the axial direction of the spline flattening roller, namely, the convex part extends from one end part of the spline flattening roller to the other end part, when continuous fibers are flattened by the spline flattening roller, the fiber tows are in contact with the outer surface of the wavy convex part and are unfolded along the two axial end parts of the spline flattening roller, and the flattening effect is better.
The upper transition roller set 15 is installed on the frame 11 and located at the downstream of the flattening roller 13, the upper transition roller set 15 comprises a plurality of upper transition rollers 151, the plurality of upper transition rollers 151 are uniformly arranged from the upstream to the downstream, and two end portions of each upper transition roller 151 are rotatably installed between the left and right opposite wall plates 112 of the frame 11 through shaft seats.
Referring to fig. 4, a lifting seat 17 is installed on the frame 11, the lifting seat 17 can move up and down relative to the frame 11, a tension adjusting mechanism 18 which is arranged in a transmission manner with the lifting seat 17 and is used for driving the lifting seat 17 to move is installed on the frame 11, the lower transition roller set 16 is installed on the lifting seat 17, the lower transition roller set 16 includes a plurality of lower transition rollers 161, the plurality of lower transition rollers 161 are uniformly arranged from upstream to downstream, and two end portions of each lower transition roller 161 are rotatably installed on the lifting seat 17 through a shaft seat.
Specifically, the tension adjusting mechanism 18 includes a lead screw lifter 181 and a hand wheel 182 mounted on the frame 11. An input screw of the screw rod lifter 181 is in transmission connection with a hand wheel 182, and an output screw of the screw rod lifter 181 is in transmission connection with the lifting seat 17. An operator can transmit power to the lifting seat 17 by rotating the hand wheel 182 and also by the motor, so that the lifting seat 17 is driven to move up and down, and the horizontal position of the lower transition roller group 16 is adjusted. And the lower set of transition rollers 16 is arranged horizontally offset from the upper set of transition rollers 15. This allows the lower set of transition rollers 16 to be interleaved with the upper set of transition rollers 15, overlap the upper set of transition rollers 15 or be located below the upper set of transition rollers 15 or above the upper set of transition rollers 15 when adjusting their horizontal height.
As shown in fig. 5, when the lifting seat 17 moves the lower transition roller set 16 up and down, the height difference between the lower transition roller set 16 and the upper transition roller set 15 may be positive or negative, that is, the lower transition roller set 16 may pass through the upper transition roller set 15 when moving up, so that the lower transition roller set 16 is located above the upper transition roller set 15. Or the lower transition roller group 16 is separated from the upper transition roller group 15 when moving downwards, thereby facilitating the continuous fiber to sequentially pass around each upper transition roller of the upper transition roller group 15 and each lower transition roller 161 of the lower transition roller group 16 in an S-shaped curve, and facilitating the adjustment of the tension of the continuous fiber. Specifically, when the distance between the upper transition roller set 15 and the lower transition roller set 16 is small, the tension applied to the continuous fibers is also small; when the distance between the upper transition roll set 15 and the lower transition roll set 16 is large, the tension applied to the continuous fiber is also large.
In this embodiment, the hand wheel 182 is used as a power input part to transmit power to the screw motor, so as to drive the lifting seat 17 to move up and down, manually adjust the tension of the continuous fibers, and improve the flattening effect. The number of the upper transition rollers and the number of the lower transition rollers are both 3. In other embodiments, an alternating current motor can be arranged as a power input component, and the shaft end of the alternating current motor is connected with the input shaft of the screw rod motor through a coupler, so that the tension applied to the continuous fibers can be automatically adjusted, the flattening effect is improved, and the number of the upper transition roller and the lower transition roller is not limited to 3, but can be less than 3 or more.
Further, in order to improve the tensile force of the continuous fibers before and after flattening, the yarn spreading tensioning device further comprises a plurality of locking parts 19, and the locking parts 19 are used for locking and stopping the rollers except the flattening roller 13, so that the continuous fibers slide and rub with the surfaces of the rollers except the flattening roller 13, the tensile force of the continuous fibers is increased, and the continuous fibers are forcedly flattened. The locking member 19 is screw-engaged with the shaft end surface of the other roll except the nip roll 13. Furthermore, the locking members 19 on the fiber draw-in roll 12 and the plurality of upper transition rolls are fixed with the frame 11, and the locking members 19 on the lower transition roll 161 are fixed with the lifting seat 17. Namely, the locking component 19 has a thread structure, a thread hole is formed on the shaft end surface of the roller, the locking component 19 is in thread fit with the thread hole, and the corresponding roller is locked and stopped by screwing the locking component 19; the roller is held rotatable by releasing the locking member 19 to unlock the roller.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A yarn spreading and tensioning device for unidirectional prepreg composite production equipment comprises:
a frame (11);
a fiber introduction roller (12) mounted on the frame (11) and used for introducing continuous fibers;
a nip roll (13) mounted on said frame (11) downstream of said fiber introduction roll (12);
the flattening motor (14) is arranged on the rack (11) and is in transmission connection with the flattening roller (13);
an upper set of transition rolls (15) located downstream of said nip rolls (13);
a lower set of transition rolls (16) located at said nip rolls (13); it is characterized in that the preparation method is characterized in that,
the upper transition roller set (15) and/or the lower transition roller set (16) can be arranged on the rack (11) along the up-and-down movement, and a tension adjusting mechanism (18) for driving the upper transition roller set (15) and/or the lower transition roller set (16) to move is mounted on the rack (11).
2. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 1, wherein: the upper transition roller set (15) is installed on the frame (11), a lifting seat (17) can be arranged on the frame (11) along the vertical movement, the lower transition roller set (16) is installed on the lifting seat (17), and the tension adjusting mechanism (18) and the lifting seat (17) are arranged in a transmission manner.
3. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 2, wherein: the tension adjusting mechanism (18) comprises a screw rod lifter (181) and a power input part which are arranged on the frame (11), an input screw rod of the screw rod lifter (181) is in transmission connection with the power input part, and an output screw rod of the screw rod lifter (181) is in transmission connection with the lifting seat (17).
4. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 1, wherein: the upper transition roller set (15) comprises a plurality of upper transition rollers (151), the lower transition roller set (16) comprises a plurality of lower transition rollers (161), the upper transition rollers (151) and the lower transition rollers (161) are arranged from upstream to downstream, and the upper transition rollers (151) and the lower transition rollers (161) are respectively rotatably arranged on the frame (11).
5. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 4, wherein: the rotating speed of the flattening roller (13) and the rotating speed of the upper transition roller (151) and/or the rotating speed of the lower transition roller (161) form a speed difference.
6. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 1, wherein: the flattening roller (13) is a spline flattening roller, and the flattening motor (14) is a speed reduction motor.
7. The spreading tensioning device for the unidirectional prepreg composite production equipment as claimed in claim 3, wherein: and the device also comprises a plurality of locking components (19), and the plurality of locking components (19) are used for locking and stopping the rollers except the flattening rollers (13).
8. The spreading tensioning device for the unidirectional prepreg composite production equipment as recited in claim 7, wherein: a plurality of locking components (19) are in threaded fit with the end faces of the roller cylinders except the flattening rollers (13).
9. The spreading tensioning device for the unidirectional prepreg composite production equipment as recited in claim 8, wherein: one part of the locking component (19) is fixed with the frame, and the other part of the locking component (19) is fixed with the lifting seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331176.XU CN210336983U (en) | 2019-08-16 | 2019-08-16 | Yarn spreading tensioning device for unidirectional pre-dipping composite production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331176.XU CN210336983U (en) | 2019-08-16 | 2019-08-16 | Yarn spreading tensioning device for unidirectional pre-dipping composite production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210336983U true CN210336983U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921331176.XU Active CN210336983U (en) | 2019-08-16 | 2019-08-16 | Yarn spreading tensioning device for unidirectional pre-dipping composite production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466176A (en) * | 2019-08-16 | 2019-11-19 | 苏州金纬片板膜智能装备有限公司 | For unidirectionally presoaking the exhibition yarn tensioning apparatus of composite production device |
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2019
- 2019-08-16 CN CN201921331176.XU patent/CN210336983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466176A (en) * | 2019-08-16 | 2019-11-19 | 苏州金纬片板膜智能装备有限公司 | For unidirectionally presoaking the exhibition yarn tensioning apparatus of composite production device |
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