Carbon fiber yarn spreading device

Abstract

The utility model relates to the technical field of fiber prepreg cloth production, in particular to a carbon fiber yarn spreading device which comprises a machine body, a yarn spreading mechanism is arranged on the machine body and used for carbon fiber yarn spreading, and the yarn spreading mechanism comprises a feeding assembly and a yarn spreading assembly, placing pieces are arranged at the two ends of the first shaft rod and are used for placing a pay-off barrel; the tension assembly is arranged in the middle in the machine body and used for tension adjustment; the yarn combing assembly comprises driving chain wheels rotationally installed between the two ends in the machine body, a yarn groove roller is fixed between the two driving chain wheels, and a driving piece is arranged on the machine body and used for driving the yarn groove roller to rotate; the tension assembly comprises a second shaft rod rotationally installed between the two sides of the middle in the machine body, and supports are fixed to the two ends of the second shaft rod. The carbon fibers are spread through a plurality of evenly distributed trunkings formed outside the trunking roller, and abrasion to the carbon fibers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fiber prepreg production technical field, concretely is a kind of carbon fiber yarn spreading device. BACKGROUND

[0002] Carbon fiber prepreg is prepared by using carbon fiber yarn as raw material, and epoxy resin is compounded on carbon fiber by high pressure and high temperature technology.Carbon fiber prepreg needs to use creel to place yarn drum when producing, so that yarn drum continuously rotates on creel to convey carbon fiber yarn.Yarn is tension-adjusted during conveying process;

[0003] According to the search of the publication number: CN221420256U, a kind of carbon fiber prepreg production is assisted yarn spreading device, this technology discloses "a kind of carbon fiber prepreg production is assisted yarn spreading device, including left and right interval setting vertical rod, vertical rod bottom and workshop ground fixed connection, vertical rod is slidably provided with eye ring on vertical rod, limit bolt is respectively screwed inward on the outside of eye ring, vertical rod is equipped with crossbeam between vertical rod, crossbeam two ends are respectively with the outer surface of the inside of eye ring fixed connection, crossbeam is embedded with vertical strip-shaped perforation, strip-shaped perforation is slidably provided with adjusting assembly in strip-shaped perforation" and other technical schemes, with "solve the distance between creel and yarn spreading device is long, yarn will produce greater shaking, there is no setting for adjusting tension and limiting yarn and binding device between creel and yarn spreading device problem;It is simple to operate, convenient to use, applicable to the production of a variety of carbon fiber prepreg" and other technical effects;

[0004] In the above scheme, carbon fiber silk is threaded through the square perforation on the fixed block, and the design of the square perforation can effectively limit and constrain the position of the carbon fiber silk thread;However, since the fixed block is a fixed structure, in the conveying process of carbon fiber silk, the silk thread and the square perforation will generate a large friction force, which will cause the square perforation to easily cause abrasion on the surface of the carbon fiber silk, thereby affecting the integrity and performance of the silk thread. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a carbon fiber yarn spreading device, which has the characteristics of spreading carbon fiber through the plurality of uniformly distributed wire grooves formed on the outer part of the wire groove rod and reducing the abrasion of carbon fiber.

[0006] To achieve the above object, the utility model is implemented by the following technical scheme: a carbon fiber yarn spreading device, comprising a machine body, the machine body is provided with a yarn spreading mechanism and is used for spreading carbon fiber yarn, the yarn spreading mechanism comprises:

[0007] The feeding assembly comprises first shaft rods rotatably installed at the front ends of both sides of the machine body, and the first shaft rods are both provided with placing parts at both ends and are used for placing the yarn drum;

[0008] A tension assembly is arranged in the middle of the interior of the body and used for tension adjustment.

[0009] A combing assembly comprises driving sprockets rotatably arranged between the two ends of the interior of the body, and wire groove rods fixed between the two driving sprockets.

[0010] Preferably, the tension assembly comprises a second shaft rotatably arranged between the two sides of the middle of the interior of the body, and supports fixed at the two ends of the second shaft, and a tension roller rotatably arranged between the upper ends of the two supports.

[0011] Preferably, the feeding assembly further comprises a first air cylinder pivotally arranged at the outer wall of the two ends of the body, and a connecting rod pivotally connected to the output end of the first air cylinder and fixed to the end of the first shaft.

[0012] Preferably, the placing member comprises a bracket fixed to the two ends of the first shaft, a positioning frame slidably arranged at the upper end of the bracket, an extension rod fixed to the bottom of the positioning frame, a connecting lug fixed to the interior of the bracket, a handle pivotally arranged on the connecting lug, and the lower end of the extension rod is pivotally connected to the handle.

[0013] Preferably, the combing assembly further comprises a driving guide roller rotatably arranged between the two sides of the rear end of the interior of the body, and driven sprockets fixed at the two ends of the driving guide roller, and a chain arranged between the driven sprockets and the driving sprockets, and a tension sprocket rotatably arranged at the inner wall of the two ends of the body and used for tensioning the chain.

[0014] Preferably, the driving member comprises a driven pulley fixed to one end of the wire groove rod, a speed reducer arranged at the rear end of the interior of the body, a driving pulley fixed to the output end of the speed reducer, a belt arranged between the driving pulley and the driven pulley, and a tension pulley rotatably arranged at the outer wall of the body and used for tensioning the belt.

[0015] Preferably, a first guide roller and a second guide roller are rotatably arranged above the rear end of the interior of the body.

[0016] Beneficial effects

[0017] The carbon fiber yarn spreading device has the following beneficial effects compared with the prior art.

[0018] 1. The output end of the speed reducer drives the driving pulley to rotate in cooperation with the belt to drive the driven pulley to rotate, the driven pulley drives the wire groove rod to rotate through the driving sprocket, and the carbon fiber is spread through the wire grooves evenly distributed on the exterior of the wire groove rod, and the abrasion of the carbon fiber is reduced.

[0019] 2、When the unreeling yarn carbon fiber winding drum needs to be installed, the handle is pulled upwards to drive the positioning frame to move upwards and disengage from the upper end of the bracket, so that the drum can be placed between the upper ends of the brackets on both sides, and then the handle is pulled downwards to drive the positioning frame to move downwards and position the drum in cooperation with the upper end of the bracket; the drum is quickly installed and positioned, the operation steps are simplified, the work efficiency is improved, and the stability of the drum is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the front end of the utility model;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the rear end of the utility model;

[0022] Figure 3 It is a sectional view of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the placing part in the utility model.

[0024] In the figure: 1, machine body; 2, yarn spreading mechanism; 21, feeding assembly; 211, first shaft; 212, placing part; 2121, bracket; 2122, positioning frame; 2123, extension rod; 2124, connecting lug; 2125, handle; 213, first cylinder; 214, connecting rod; 22, tension assembly; 221, second shaft; 222, support; 223, tension roller; 224, second cylinder; 225, limiting block; 23, wire combing assembly; 231, driving sprocket; 232, wire slot rod; 233, driving guide roller; 234, driven sprocket; 235, chain; 236, tension sprocket; 237, driving part; 2371, driven pulley; 2372, speed reduction motor; 2373, driving pulley; 2374, belt; 2375, tension pulley; 24, first guide roller; 25, second guide roller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figure 1 - Figure 4 The utility model provides a technical scheme: a carbon fiber yarn spreading device, which comprises a machine body 1, the machine body 1 is provided with a yarn spreading mechanism 2 and is used for carbon fiber yarn spreading, and the yarn spreading mechanism 2 comprises:

[0027] The feeding assembly 21 comprises first shaft rods 211 rotatably arranged at both sides of the front end of the body 1, and the first shaft rods 211 are provided with placing parts 212 at both ends and used for placing the yarn feeding drums;

[0028] The tension assembly 22 is arranged in the middle of the body 1 and used for tension adjustment;

[0029] The combing assembly 23 comprises driving sprockets 231 rotatably arranged between both ends of the body 1, and wire groove rods 232 are fixed between the two driving sprockets 231, and the body 1 is provided with driving parts 237 and used for driving the wire groove rods 232 to rotate.

[0030] In the embodiment, when the wire groove rods 232 rotate, the carbon fibers are spread by the wire grooves arranged on the outer part, the abrasion of the carbon fibers is reduced, and the quality of the yarn and the production efficiency are improved.

[0031] Specifically, the tension assembly 22 comprises second shaft rods 221 rotatably arranged between both sides of the middle of the body 1, and the second shaft rods 221 are fixed with supports 222 at both ends, and the supports 222 are rotatably arranged with tension rollers 223 between the upper ends of the two supports 222, and the body 1 is pivoted with second air cylinders 224 at the inner walls of both ends, and the output ends of the second air cylinders 224 are pivoted with the supports 222, and the body 1 is fixed with limiting blocks 225 at the inner walls of both ends and used for limiting the supports 222.

[0032] In the embodiment, the output ends of the second air cylinders 224 drive the supports 222 to drive the tension rollers 223 to adjust the angle, so that the tension of the carbon fiber yarn can be adjusted, the tension of the yarn during the spreading process is uniform, and the breakage or relaxation is avoided.

[0033] Specifically, the feeding assembly 21 further comprises first air cylinders 213 pivoted at the outer walls of both ends of the body 1, and the output ends of the first air cylinders 213 are pivoted with connecting rods 214, and the other ends of the connecting rods 214 are fixed with the end portions of the first shaft rods 211.

[0034] In the embodiment, the output ends of the first air cylinders 213 drive the connecting rods 214 to drive the placing parts 212 to rotate in cooperation with the first shaft rods 211, so that the yarn feeding drums installed on the placing parts 212 can be adjusted in position.

[0035] Specifically, the placing parts 212 comprise brackets 2121 fixed at both ends of the first shaft rods 211, and the brackets 2121 are slidably arranged with positioning frames 2122 at the upper ends, and the positioning frames 2122 are fixed with extension rods 2123 at the bottom, and the brackets 2121 are fixed with connecting ears 2124 inside, and the connecting ears 2124 are pivoted with handles 2125, and the lower ends of the extension rods 2123 are pivoted with the handles 2125.

[0036] When the unreeling drum with the unexpanded carbon fiber yarn needs to be installed in the embodiment, the handle 2125 is pulled upwards to drive the positioning frame 2122 to move upwards and disengage from the upper end of the bracket 2121, so that the unreeling drum can be placed between the upper ends of the brackets 2121 on both sides, and then the handle 2125 is pulled downwards to drive the positioning frame 2122 to move downwards and position the unreeling drum in cooperation with the upper end of the bracket 2121. The unreeling drum is quickly installed and positioned, the operation steps are simplified, the work efficiency is improved, and the stability of the unreeling drum is ensured.

[0037] Specifically, the thread combing assembly 23 further comprises a driving guide roller 233 rotatably installed between the rear ends of the body 1, both ends of the driving guide roller 233 are fixed with 234, and a chain 235 is installed between 234 and the driving sprocket 231. The inner walls of both ends of the body 1 are rotatably installed with a tension sprocket 236 for tensioning the chain 235.

[0038] In the embodiment, when the driving sprocket 231 rotates, the driving guide roller 233 is also driven to rotate by the chain 235 cooperating with the driven sprocket 234, so as to convey the carbon fiber yarn after being expanded, to ensure that the carbon fiber yarn after being expanded can be smoothly conveyed, to avoid the yarn from being wound or knotted, and to ensure the continuity of production and the quality of the yarn.

[0039] Specifically, the driving member 237 comprises a driven pulley 2371 fixed to one end of the thread groove rod 232, a speed reducer motor 2372 is installed at the rear end of the body 1, a driving pulley 2373 is fixed to the output end of the speed reducer motor 2372, a belt 2374 is installed between the driving pulley 2373 and the driven pulley 2371, and a tension pulley 2375 is rotatably installed on the outer wall of the body 1 for tensioning the belt 2374.

[0040] In the embodiment, the output end of the speed reducer motor 2372 drives the driving pulley 2373 to drive the driven pulley 2371 to rotate through the belt 2374, and the driven pulley 2371 drives the thread groove rod 232 to rotate through the driving sprocket 231.

[0041] Specifically, the first guide roller 24 and the second guide roller 25 are rotatably installed at the upper rear end of the body 1.

[0042] In the embodiment, the first guide roller 24 and the second guide roller 25 guide the carbon fiber yarn to the outside of the body 1 and convey it to the next process, to ensure the smoothness of the production process.

[0043] The working principle and use process of the utility model are: firstly, the pay-off drum with unopened carbon fiber yarn is installed, the handle 2125 is pulled upwards to drive the positioning frame 2122 to move upwards and separate from the upper end of the bracket 2121 through the extension rod 2123, so that the pay-off drum can be put between the upper ends of the brackets 2121 on both sides, then the handle 2125 is pulled downwards to drive the positioning frame 2122 to move downwards and position the pay-off drum through the extension rod 2123 and the upper end of the bracket 2121;

[0044] Then, the output end of the second cylinder 224 drives the support 222 to drive the tension roller 223 to adjust the angle, so that the tension of the carbon fiber yarn can be adjusted, the uniformity of the tension of the yarn during the opening process is ensured, and breakage or relaxation is avoided; at the same time, the output end of the speed reducer motor 2372 drives the driving pulley 2373 to drive the driven pulley 2371 to rotate through the belt 2374, the driven pulley 2371 drives the wire groove stick 232 to rotate through the driving sprocket 231, and the wire groove stick 232 is externally provided with a plurality of uniformly distributed wire grooves to open the carbon fiber and reduce the abrasion of the carbon fiber.

[0045] Finally, the driving sprocket 231 is also driven to rotate by the chain 235 and the driven sprocket 234, and the carbon fiber yarn is guided and transported to the next process through the cooperation of the first guide roller 24 and the second guide roller 25.

[0046] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A carbon fiber unwinding device comprising a machine body (1), characterized in that: The body (1) is provided with a yarn spreading mechanism (2) and is used for carbon fiber yarn spreading, the yarn spreading mechanism (2) comprises: The feeding assembly (21) comprises first shaft rods (211) rotatably installed on both sides of the front end of the body (1), and the first shaft rods (211) are provided with placing parts (212) at both ends and are used for placing the creeling drum; The tension assembly (22) is arranged in the middle of the body (1) and is used for tension adjustment; The thread combing assembly (23) comprises driving sprockets (231) rotatably installed between both ends of the body (1), the driving sprockets (231) are fixed with wire groove rods (232) between the two driving sprockets (231), and the body (1) is provided with a driving part (237) and is used for driving the wire groove rod (232) to rotate.

2. A carbon fiber unwinding device according to claim 1, characterized in that: The tension assembly (22) comprises second shaft rods (221) rotatably installed between both sides of the middle of the body (1), the second shaft rods (221) are fixed with supports (222) at both ends, the supports (222) are rotatably installed with tension rollers (223) between the upper ends of the two supports (222), the body (1) is pivoted with second air cylinders (224) on the inner walls of both ends, the output ends of the second air cylinders (224) are pivoted with the supports (222), and the body (1) is fixed with limit blocks (225) on the inner walls of both ends and is used for limiting the supports (222).

3. A carbon fiber unwinding device according to claim 1, characterized in that: The feeding assembly (21) further comprises first air cylinders (213) pivoted on the outer walls of both ends of the body (1), the output ends of the first air cylinders (213) are pivoted with connecting rods (214), and the other ends of the connecting rods (214) are fixed with the first shaft rods (211).

4. A carbon fiber unwinding device according to claim 1, characterized in that: The placing part (212) comprises brackets (2121) fixed on both ends of the first shaft rod (211), the brackets (2121) are slidably installed with positioning frames (2122) on the upper ends, the positioning frames (2122) are fixed with extension rods (2123) on the bottoms, the brackets (2121) are fixed with connecting ears (2124) inside, the connecting ears (2124) are pivoted with handles (2125) on the upper ends, and the lower ends of the extension rods (2123) are pivoted with the handles (2125).

5. A carbon fiber unwinding device according to claim 1, characterized in that: The thread combing assembly (23) further comprises driving guide rollers (233) rotatably installed between both sides of the rear end of the body (1), the driving guide rollers (233) are fixed with driven sprockets (234) at both ends, the driven sprockets (234) and the driving sprockets (231) are installed with chains (235) therebetween, and the body (1) is rotatably installed with tension sprockets (236) on the inner walls of both ends and is used for tensioning the chains (235).

6. A carbon fiber unwinding device according to claim 1, characterized in that: The driving part (237) comprises driven pulleys (2371) fixed on one end of the wire groove rod (232), a speed reduction motor (2372) is installed on the rear end of the body (1) inside, the output end of the speed reduction motor (2372) is fixed with a driving pulley (2373), the driving pulley (2373) and the driven pulley (2371) are installed with a belt (2374) therebetween, and the body (1) is rotatably installed with a tension pulley (2375) on the outer wall and is used for tensioning the belt (2374).

7. A carbon fiber unwinding device according to claim 1, characterized in that: First guide rollers (24) and second guide rollers (25) are rotatably installed on the upper part of the rear end of the body (1).

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