Prepreg yarn spreading and heating device with adjustable support roller spacing
By adjusting the spacing between the support rollers, the wear problem of existing devices when supporting thicker fiber webs is solved, achieving uniform heating and support of fiber webs of different thicknesses, and improving heating efficiency and fiber web quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-03-24
AI Technical Summary
Existing prepreg yarn spreading heating devices are prone to wear when supporting thicker fiber webs.
The design incorporates a prepreg yarn spreading and heating device with adjustable support roller spacing. By adjusting the sliding of the screw and connecting block, the movable roller slides synchronously, thereby adjusting the distance between the movable and fixed rollers. Furthermore, by adjusting the distance between the heating wire and the fiber web, the device can adapt to the support and heating requirements of fiber webs of different thicknesses.
It effectively avoids wear on the fiber web during support, achieves uniform heating and support for fiber webs of different thicknesses, and improves heating efficiency and fiber web quality.
Smart Images
Figure CN224028095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pre -preg spread yarn heating device technical field, concretely is a kind of pre -preg spread yarn heating device with adjustable supporting roller spacing. BACKGROUND
[0002] Carbon fiber prepreg is that epoxy resin is compounded on carbon fiber by high pressure and high temperature technology.Carbon fiber yarn, epoxy resin, release paper and other materials are processed into composite material by coating, hot pressing, cooling, laminating, winding and other processes, which is called carbon fiber prepreg, also known as carbon fiber prepreg.The reason why it is called prepreg is that it is only the initial impregnation of resin and carbon fiber, and the final impregnation is after product forming.
[0003] After searching, the patent with publication number CN218910645U discloses a pre-preg spread yarn heating device, which comprises a rack, an infrared emission device is arranged on the rack, supporting rollers are arranged on both sides of the infrared emission device on the rack, the supporting rollers are evenly distributed on both sides of the infrared emission device, the supporting rollers are located above the infrared emission device, a plurality of first straight rollers and second straight rollers are evenly arranged above the supporting rollers, the carbon yarn can pass between the supporting rollers and the first straight rollers and the second straight rollers, and the infrared emission device at the bottom thereof emits infrared rays to heat the carbon yarn, so that the carbon yarn is preheated, the heating system is simple, and the overall weight of the supporting rollers is prevented from being too heavy to rotate with the movement of the carbon yarn, thereby reducing the friction between the supporting rollers and the carbon yarn, preventing yarn breakage and additional yarn hair of the carbon yarn, and affecting the quality of carbon cloth.
[0004] However, the above-mentioned pre-preg spread yarn heating device is prone to wear when supporting the thick fiber web during use. SUMMARY
[0005] The utility model aims at the technical problem raised in the above background art, and provides a pre-preg spread yarn heating device with adjustable supporting roller spacing to avoid wear of the thick fiber web during supporting.
[0006] Therefore, the utility model provides a pre-preg spread yarn heating device with adjustable supporting roller spacing, which comprises a spread yarn frame, an adjusting screw is arranged on the outer wall of the spread yarn frame, a connecting block is threadedly connected to the outer wall of the adjusting screw, connecting rods are rotatably connected to both ends of the connecting block, a sliding base is rotatably connected to the top end of the connecting rod, an adjusting block is fixedly connected to the inner wall of the sliding base, a limiting sliding groove is formed in the connecting part of the spread yarn frame and the adjusting block, a movable roller is rotatably connected to the outer wall of the adjusting block, a fixed block is fixedly connected to the inner wall of the spread yarn frame, and a fixed roller is rotatably connected to the outer wall of the fixed block.
[0007] A heating assembly is arranged at one end of the yarn spreading frame and used for heating the resin on the outer wall of the yarn.
[0008] A dipping assembly is arranged at one end of the heating assembly and used for rolling the yarn.
[0009] Based on the above structure, the worker rotates the adjusting screw to drive the connecting block to slide, the connecting block slides, the adjusting block on the inner wall of the sliding base is driven by the connecting rod to slide along the inside of the limiting sliding groove, the adjusting block slides to drive the movable roller to slide synchronously, the distance between the movable roller and the fixed roller is adjusted, and the fiber web of different thicknesses is supported.
[0010] Preferably, the adjusting block forms a sliding structure with the connecting block and the connecting rod and the limiting sliding groove, in the embodiment, the connecting block slides, the adjusting block on the inner wall of the sliding base is driven by the connecting rod to slide along the inside of the limiting sliding groove, and the control operation of the sliding of the adjusting block is realized.
[0011] Preferably, the movable roller is provided with two groups, and the two groups of movable rollers and fixed rollers are distributed in a "V" shape, in the embodiment, the two groups of movable rollers and fixed rollers are arranged, which is conducive to supporting the fiber web.
[0012] Preferably, the heating assembly comprises:
[0013] A heating frame is fixedly connected at one end of the yarn spreading frame, a bidirectional screw is arranged in the inside of the heating frame, threaded sliding blocks are threadedly connected at both ends of the bidirectional screw, support rods are screwed at one end of the threaded sliding blocks, lifting platforms vertically sliding with the inner wall of the heating frame are screwed at the top end of the support rods, and heating wires are fixedly connected at the top end of the lifting platforms, in the embodiment, the temperature of the heating wire is raised after being electrified, the resin on the outer wall of the yarn is heated, then the worker rotates the bidirectional screw, the bidirectional screw rotates to drive the two groups of threaded sliding blocks to slide relative to each other, the threaded sliding blocks drive the lifting platforms to vertically slide along the inner wall of the heating frame through the support rods, the distance between the heating wire and the fiber web is adjusted, and the heating temperature of the fiber web is quickly adjusted.
[0014] Preferably, the threaded sliding blocks and the lifting platforms are arranged in parallel, and the heating wire is arranged in an "S" shape, in the embodiment, the heating wire arranged in an "S" shape is arranged, which is conducive to the uniform heating operation of the fiber web.
[0015] Preferably, the dipping assembly comprises:
[0016] The one end of the heating frame is fixedly connected with a resin impregnation frame, the upper and lower ends of the resin impregnation frame are both provided with feeding rollers, the lower side of the feeding roller is provided with a pressing roller, and the side of the pressing roller is provided with a discharging roller.
[0017] Preferably, the feeding roller, the pressing roller and the discharging roller are in triangular distribution, and the contact area of the resin coated paper and the fiber web is reduced in the embodiment, so that the resin in the fiber web is prevented from being adsorbed on the coated paper.
[0018] Compared with the prior art, the resin impregnation frame has the advantages that:
[0019] 1. The movable roller and the fixed roller are arranged, when the connecting block slides, the adjusting block on the inner wall of the sliding base is driven to slide along the inside of the limiting sliding groove through the connecting rod, so that the movable roller is synchronously slid, the distance between the movable roller and the fixed roller is adjusted, and the fiber web with different thicknesses is supported.
[0020] 2. The heating wire is arranged, when the bidirectional screw rod rotates, the two groups of threaded sliding blocks are driven to slide relative to each other, the threaded sliding blocks drive the lifting platform to vertically slide along the inner wall of the heating frame through the supporting rods, the distance between the heating wire and the fiber web is adjusted, and the heating temperature of the fiber web is quickly adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a whole structure schematic view of the utility model;
[0022] Figure 2 It is a structure schematic view of the yarn spreading frame of the utility model;
[0023] Figure 3 It is a structure schematic view of the heating frame of the utility model;
[0024] Figure 4 It is a structure schematic view of the resin impregnation frame of the utility model.
[0025] In the drawing: 1, yarn spreading frame; 2, adjusting screw; 3, connecting block; 4, connecting rod; 5, sliding base; 6, adjusting block; 7, limiting sliding groove; 8, movable roller; 9, fixed block; 10, fixed roller; 11, heating frame; 12, bidirectional screw rod; 13, threaded sliding block; 14, supporting rod; 15, lifting platform; 16, heating wire; 17, resin impregnation frame; 18, feeding roller; 19, pressing roller; 20, discharging roller. PREFERRED EMBODIMENT
[0026] The following will be combined with the drawings Figure 1 - Figure 4 The utility model is further explained in detail.
[0027] In the utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better describing the utility model and its embodiments, and are not used to limit the indicated devices, elements or components necessarily having a specific orientation, or being constructed and operated in a specific orientation.
[0028] The utility model discloses a kind of pre-preg yarn spreading heating devices with adjustable support roller spacing, including yarn spreading frame 1, the outer wall of yarn spreading frame 1 is provided with adjusting screw 2, the outer wall of adjusting screw 2 is threadedly connected with connecting block 3, the both ends of connecting block 3 are all screw-connected with connecting rod 4, the top end of connecting rod 4 is screw-connected with sliding base 5, the inner wall of sliding base 5 is fixedly connected with adjusting block 6, the connecting part of yarn spreading frame 1 and adjusting block 6 is provided with limiting sliding slot 7, the outer wall of adjusting block 6 is screw-connected with movable roller 8, the inner wall of yarn spreading frame 1 is fixedly connected with fixed block 9, the outer wall of fixed block 9 is screw-connected with fixed roller 10;
[0029] Heating assembly, heating assembly is located at one end of yarn spreading frame 1, and is used for heating resin of yarn outer wall;
[0030] Prepreg assembly, prepreg assembly is located at one end of heating assembly, and is used for roller pressing operation of yarn.
[0031] Based on the above structure, when adjusting screw 2 is rotated, connecting block 3 is driven to slide, so that adjusting block 6 in the inner wall of sliding base 5 is driven to slide along the inside of limiting sliding slot 7 by connecting rod 4, and then movable roller 8 is driven to slide synchronously, so as to adjust the distance between movable roller 8 and fixed roller 10, so as to support the fiber web of different thickness.
[0032] In one embodiment, adjusting block 6 forms a sliding structure with connecting block 3, connecting rod 4 and limiting sliding slot 7.
[0033] In the embodiment, when connecting block 3 slides, adjusting block 6 in the inner wall of sliding base 5 is driven to slide along the inside of limiting sliding slot 7 by connecting rod 4, so as to control the sliding of adjusting block 6.
[0034] In one embodiment, movable roller 8 is provided with two groups, and the two groups of movable roller 8 and fixed roller 10 are distributed in "V" shape.
[0035] In the embodiment, by providing two groups of movable roller 8 and fixed roller 10, it is beneficial to support the fiber web.
[0036] In one embodiment, the heating assembly comprises:
[0037] The heating frame 11 is fixedly connected to one end of the yarn spreading frame 1, the inside of the heating frame 11 is provided with a bidirectional screw rod 12, both ends of the bidirectional screw rod 12 are threadedly connected with a threaded sliding block 13, one end of the threaded sliding block 13 is screwed with a supporting rod 14, the top end of the supporting rod 14 is screwed with a lifting platform 15 which vertically slides with the inner wall of the heating frame 11, and the top end of the lifting platform 15 is fixedly connected with a heating wire 16.
[0038] In the embodiment, the temperature of the heating wire 16 rises after being electrified, the resin on the outer wall of the yarn is heated, then the bidirectional screw rod 12 is rotated to drive the relative sliding of the two groups of threaded sliding blocks 13, the threaded sliding blocks 13 drive the lifting platform 15 to vertically slide along the inner wall of the heating frame 11 through the supporting rod 14, the distance between the heating wire 16 and the fiber web is adjusted, and the rapid adjustment of the heating temperature of the fiber web is realized.
[0039] In one of the embodiments, the threaded sliding block 13 and the lifting platform 15 are arranged in parallel, and the shape of the heating wire 16 is distributed in an "S" shape.
[0040] In the embodiment, the "S" shaped heating wire 16 is arranged, which is beneficial to the uniform heating of the fiber web.
[0041] In one of the embodiments, the prepreg assembly comprises:
[0042] The prepreg frame 17 is fixedly connected to one end of the heating frame 11, the upper and lower ends of the prepreg frame 17 are provided with feeding rollers 18, the lower side of the feeding roller 18 is provided with a pressing roller 19, and the pressing roller 19 is provided with a discharging roller 20 on one side.
[0043] In the embodiment, the resin-coated paper wound on the outer wall of the feeding roller 18 is pressed on both sides of the fiber web by the pressing roller 19, so as to realize the prepreg yarn spreading and heating of the fiber web.
[0044] In one of the embodiments, the feeding roller 18, the pressing roller 19 and the discharging roller 20 are distributed in a triangular shape.
[0045] In the embodiment, the contact area between the resin-coated paper and the fiber web is reduced, and the resin in the fiber web is prevented from being adsorbed on the coated paper.
[0046] In use, the fiber web is sequentially threaded through the yarn spreading frame 1, the heating frame 11 and the prepreg frame 17.
[0047] Then, the adjusting screw 2 is rotated to drive the connecting block 3 to slide, so as to drive the adjusting block 6 in the inner wall of the sliding base 5 to slide along the inside of the limiting sliding groove 7 through the connecting rod 4, and then drive the synchronous sliding of the movable roller 8, so as to adjust the distance between the movable roller 8 and the fixed roller 10, so as to support the fiber web with different thicknesses.
[0048] The temperature of the heating wire 16 is raised after being electrified, and the resin on the outer wall of the yarn is heated. Then, the bidirectional screw 12 is rotated to drive the relative sliding of the two groups of threaded sliding blocks 13. The threaded sliding blocks 13 drive the lifting platform 15 to slide vertically along the inner wall of the heating frame 11 through the supporting rods 14, so as to adjust the distance between the heating wire 16 and the fiber web and quickly adjust the heating temperature of the fiber web.
[0049] Finally, the resin-coated paper wound on the outer wall of the feeding roller 18 is pressed on both sides of the fiber web by the pressing roller 19, so as to heat the fiber web pre-preg yarn spreading.
[0050] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A pre-preg unwinding and heating device with adjustable distance between supporting rollers, characterized in that, Include: Exhibition yarn frame (1), the outer wall of the exhibition yarn frame (1) is provided with an adjusting screw (2), the outer wall of the adjusting screw (2) is threadedly connected with a connecting block (3), the two ends of the connecting block (3) are both screwed with a connecting rod (4), the top end of the connecting rod (4) is screwed with a sliding base (5), the inner wall of the sliding base (5) is fixedly connected with an adjusting block (6), the connecting part of the exhibition yarn frame (1) and the adjusting block (6) is provided with a limiting sliding groove (7), the outer wall of the adjusting block (6) is screwed with a movable roller (8), the inner wall of the exhibition yarn frame (1) is fixedly connected with a fixed block (9), the outer wall of the fixed block (9) is screwed with a fixed roller (10); The heating assembly is located at one end of the exhibition yarn frame (1), and is used for heating the resin on the outer wall of the yarn; The impregnated material assembly is located at one end of the heating assembly, and is used for rolling operation of the yarn.
2. The pre-preg unwinding and heating device with adjustable support roller spacing according to claim 1, characterized in that: The adjusting block (6) forms a sliding structure between the connecting block (3), the connecting rod (4) and the limiting sliding groove (7).
3. The pre-preg spreader and heating device with adjustable support roller spacing of claim 1, wherein: The movable roller (8) is provided with two groups, and the two groups of movable rollers (8) and the fixed roller (10) are distributed in "V" shape.
4. The pre-preg spreader and heating apparatus of claim 1, wherein: The heating assembly comprises: A heating frame (11) is fixedly connected to one end of the exhibition yarn frame (1), the inside of the heating frame (11) is provided with a bidirectional screw (12), the two ends of the bidirectional screw (12) are both threadedly connected with a threaded sliding block (13), one end of the threaded sliding block (13) is screwed with a support rod (14), the top end of the support rod (14) is screwed with a lifting platform (15) vertically sliding with the inner wall of the heating frame (11), the top end of the lifting platform (15) is fixedly connected with a heating wire (16).
5. The pre-preg unwinding and heating device with adjustable support roller spacing according to claim 4, characterized in that: The threaded sliding block (13) and the lifting platform (15) are arranged in parallel, and the outer shape of the heating wire (16) is distributed in "S" shape.
6. The pre-preg unwinding and heating device with adjustable support roller spacing of claim 4, wherein: The impregnated material assembly comprises: An impregnated material frame (17) is fixedly connected to one end of the heating frame (11), the upper and lower ends of the impregnated material frame (17) are both provided with an inlet roller (18), the lower side of the inlet roller (18) is provided with a pressure roller (19), and the pressure roller (19) is provided with an outlet roller (20) on one side.
7. The pre-preg unwinding and heating device with adjustable support roller spacing of claim 6, wherein: The inlet roller (18), the pressure roller (19) and the outlet roller (20) are distributed in triangle shape.