阅读说明：本技术 上胶装置 (Gluing device ) 是由 张高 贺江奇 袁强 李尚操 徐亚军 于 2021-10-28 设计创作，主要内容包括：本发明提供了一种上胶装置,包含：浸胶槽,所述浸胶槽用来盛放胶液,浸胶槽在上部具有敞口,胶液的顶部具有胶液面；计量辊,计量辊的一部分浸入到胶液面以下的胶液中。据此,本发明能够达到的技术效果在于,解决了高填料下布面形成条状的厚度不均的问题,提高了高填料半固化片的良品率；也解决了刮胶后的胶液粘度比槽内胶液粘度大而流动不好的工艺问题；同时,结构上也比之前结构更紧凑和高效；降低了胶液溶剂挥发的空间,使得胶液粘度更稳定。(The invention provides a gluing device, comprising: the glue dipping tank is used for containing glue solution, an opening is formed in the upper part of the glue dipping tank, and a glue solution surface is formed in the top of the glue solution; and a metering roller, wherein a part of the metering roller is immersed into the glue solution below the glue solution surface. Therefore, the invention can achieve the technical effects that the problem that the cloth cover forms a strip shape with uneven thickness under the high filler is solved, and the yield of the high filler prepreg is improved; the process problem that the viscosity of the glue solution after glue scraping is larger than that of the glue solution in the tank and the flow is poor is also solved; meanwhile, the structure is more compact and efficient than the prior structure; the volatilization space of the glue solution solvent is reduced, so that the viscosity of the glue solution is more stable.)

1. A glue applicator, comprising:

the glue dipping tank is used for containing glue solution, an opening is formed in the upper part of the glue dipping tank, and a glue solution surface is formed in the top of the glue solution;

and a metering roller, wherein a part of the metering roller is immersed into the glue solution below the glue solution surface.

2. A gumming device as in claim 1,

a glue overflow groove is arranged outside the glue dipping groove in a surrounding manner;

the upper opening of the glue dipping tank is horizontally arranged and provided with an edge, when the glue solution amount exceeds the capacity of the glue dipping tank, the glue solution overflows from the edge and enters the glue overflow tank, and the highest position of the glue solution surface is the horizontal plane where the edge of the opening of the glue dipping tank is located.

3. A sizing device according to claim 2, further comprising a glue storage barrel;

the upper part of the glue overflow groove is provided with an opening, the bottom of the glue overflow groove is provided with a glue return opening, glue liquid in the glue overflow groove is conveyed into the glue storage barrel through a glue return pump, the inlet of the glue return pump is connected with the glue return opening through a pipeline, and the outlet of the glue return pump is connected with the upper part of the glue storage barrel through a pipeline;

the bottom of the glue storage barrel is provided with an opening connected with an inlet of a glue supply pump, and an outlet of the glue supply pump is connected into a glue dipping tank through a pipeline.

4. A glue spreading device according to claim 3, characterized in that a glue spreading pipe is arranged in the glue dipping tank, a glue outlet tank is arranged on the glue spreading pipe, and a pipeline connected with an outlet of the glue pump is communicated with the glue spreading pipe.

5. A gumming device as in claim 1,

the metering rollers comprise a first metering roller and a second metering roller, the first metering roller and the second metering roller are cylindrical in outer contour, and the axial line of the first metering roller and the axial line of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller and the second metering roller have the same diameter of the outline circle, and the lowest generatrix of the first metering roller and the lowest generatrix of the second metering roller are on the same horizontal plane;

the horizontal plane where the axis of the first metering roller and the axis of the second metering roller are located is higher than the glue solution surface, and the glue solution surface is higher than the plane where the lowest generatrix of the first metering roller and the second metering roller and the lowest generatrix of the second metering roller are located.

6. A gumming device as claimed in claim 5, further comprising, a frame;

the first metering roll is supported by a first metering roll hanger, and the second metering roll is supported by a second metering roll hanger;

the first metering roller hanger is erected on the sliding rail in a sliding connection mode, the second metering roller hanger is erected on the sliding rail in a relatively fixed connection mode, and the sliding rail is connected to the rack in a sliding mode;

the first metering roller hanger is driven by a first adjusting bolt to move in the horizontal radial direction of the first metering roller relative to the sliding rail, so that the positions of the first metering roller hanger and the second metering roller hanger are adjusted to enable the gap between the first metering roller and the second metering roller to reach a set value; the slide rail is driven by a second adjusting bolt to move in the horizontal radial direction of the second metering roller relative to the frame, and the positions of the first metering roller hanger and the second metering roller hanger are adjusted so that the glass fiber cloth dipped with the glue solution is located in the middle between the first metering roller and the second metering roller.

7. The gluing device of claim 6, further comprising three glue dipping rollers, wherein three glue dipping rollers are arranged in a delta shape, the central axes of the two glue dipping rollers at the lower part are arranged horizontally, the central axis of one glue dipping roller at the upper part is positioned at the upper part of the middle of the two glue dipping rollers, the glass fiber cloth sequentially passes through a first glue dipping roller at the lower part, a second glue dipping roller at the upper part and a third glue dipping roller at the lower part, the glue dipping rollers are supported by a glue dipping roller hanger, the glue dipping roller hanger is relatively and fixedly connected with the frame, and the glass fiber cloth is positioned at the middle position between the first metering roller and the second metering roller at the end of the glass fiber cloth in the advancing direction, which is located at the glue solution outlet end of the glass fiber cloth.

8. A gumming device as in claim 5,

a first scraper is arranged at the first metering roller and is arranged on a first metering roller hanger, and the knife edge of the first scraper is aligned with the first metering roller;

a second scraper is arranged at the second metering roller and is arranged on a second metering roller hanger, and the knife edge of the second scraper is aligned with the second metering roller;

the first scraper and the second scraper are arranged on the outer sides of the first metering roller and the second metering roller, and the moving directions of the first metering roller and the second metering roller are vertical downward at the contact line of the first metering roller and the second metering roller with the glass fiber cloth;

the edge of the first scraper and the edge of the second scraper are positioned at or above the horizontal plane of the axis of the first roller and the axis of the second metering roller.

9. A sizing device according to claim 1, further comprising a lifting mechanism, wherein the lifting mechanism comprises a hydraulic cylinder, and the lifting mechanism is used for driving the dip tank to move up and down so as to enable a part of the metering roller to be immersed into the glue solution below the glue solution surface.

10. A sizing device according to claim 2, further comprising, an elevator mechanism;

the lifting mechanism comprises a hydraulic cylinder;

the glue overflow groove and the glue dipping groove are fixedly connected through a support column at opposite positions, and a gap is formed between the glue overflow groove and the glue dipping groove to form a glue overflow accommodating space;

the metering rollers comprise a first metering roller and a second metering roller, the first metering roller and the second metering roller are cylindrical in outer contour, and the axial line of the first metering roller and the axial line of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller and the second metering roller have the same diameter of the outline circle, and the lowest generatrix of the first metering roller and the lowest generatrix of the second metering roller are on the same horizontal plane;

and a plunger of the hydraulic cylinder abuts against and lifts the glue overflow tank, so that the glue dip tank is driven to move up and down until the plane where the edge of the glue dip tank is located between the horizontal plane where the axes of the first roller and the second metering roller are located and the plane where the lowest bus of the first metering roller and the second metering roller and the lowest bus of the second metering roller are located.

Technical Field

The invention relates to the field of prepreg production and manufacturing, in particular to a gluing device.

Background

In the existing gluing structure, the metering roller is away from the glue dipping tank for a certain distance, when the used glue solution is filled more and has higher viscosity and poor fluidity, a strip-shaped glue solution is formed on the cloth from the bottom of the metering roller to the glue dipping tank, so that a coating with uneven thickness is left on the cloth after passing through the metering roller, and the quality of a prepreg product is seriously poor.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the glue solution with high filler forms strips with uneven thickness on the cloth surface.

In order to solve the technical problems, the invention provides a gluing device, which aims to avoid the situation that strip-shaped glue traces are left on the surface of electronic glass fiber cloth by glue with high filler, and improve the quality yield of semi-cured products.

In order to achieve the above object, the present invention provides a glue applicator, comprising:

the glue dipping tank is used for containing glue solution, an opening is formed in the upper part of the glue dipping tank, and a glue solution surface is formed in the top of the glue solution;

and a metering roller, wherein a part of the metering roller is immersed into the glue solution below the glue solution surface.

Preferably, an overflow tank is arranged outside the gumming tank in a surrounding manner;

the upper opening of the glue dipping tank is horizontally arranged and provided with an edge, when the glue solution amount exceeds the capacity of the glue dipping tank, the glue solution overflows from the edge and enters the glue overflow tank, and the highest position of the glue solution surface is the horizontal plane where the edge of the opening of the glue dipping tank is located.

Preferably, the gluing device further comprises a glue storage barrel;

the upper part of the glue overflow groove is provided with an opening, the bottom of the glue overflow groove is provided with a glue return opening, glue liquid in the glue overflow groove is conveyed into the glue storage barrel through a glue return pump, the inlet of the glue return pump is connected with the glue return opening through a pipeline, and the outlet of the glue return pump is connected with the upper part of the glue storage barrel through a pipeline;

the bottom of the glue storage barrel is provided with an opening connected with an inlet of a glue supply pump, and an outlet of the glue supply pump is connected into a glue dipping tank through a pipeline.

Preferably, a glue dispersing pipe is arranged in the glue dipping tank, a glue outlet tank is arranged on the glue dispersing pipe, and a pipeline connected with an outlet of the glue supply pump is communicated into the glue dispersing pipe.

Preferably, the metering rollers comprise a first metering roller and a second metering roller, the first metering roller and the second metering roller are cylindrical in outer profile, and the axis of the first metering roller and the axis of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller and the second metering roller have the same diameter of the outline circle, and the lowest generatrix of the first metering roller and the lowest generatrix of the second metering roller are on the same horizontal plane;

the horizontal plane where the axis of the first metering roller and the axis of the second metering roller are located is higher than the glue solution surface, and the glue solution surface is higher than the plane where the lowest generatrix of the first metering roller and the second metering roller and the lowest generatrix of the second metering roller are located.

Preferably, the gluing device further comprises a frame;

the first metering roll is supported by a first metering roll hanger, and the second metering roll is supported by a second metering roll hanger;

the first metering roller hanger is erected on the sliding rail in a sliding connection mode, the second metering roller hanger is erected on the sliding rail in a relatively fixed connection mode, and the sliding rail is connected to the rack in a sliding mode;

the first metering roller hanger is driven by a first adjusting bolt to move in the horizontal radial direction of the first metering roller relative to the sliding rail, so that the positions of the first metering roller hanger and the second metering roller hanger are adjusted to enable the gap between the first metering roller and the second metering roller to reach a set value; the slide rail is driven by a second adjusting bolt to move in the horizontal radial direction of the second metering roller relative to the frame, and the positions of the first metering roller hanger and the second metering roller hanger are adjusted so that the glass fiber cloth dipped with the glue solution is located in the middle between the first metering roller and the second metering roller.

Preferably, the gluing device further comprises three glue dipping rollers, the three glue dipping rollers are arranged in a delta shape, the central axes of the two glue dipping rollers at the lower part are arranged horizontally, the central axis of one glue dipping roller at the upper part is positioned at the upper part of the middle of the two glue dipping rollers, the glass fiber cloth sequentially passes through the first glue dipping roller at the lower part, the second glue dipping roller at the upper part and the third glue dipping roller at the lower part, the glue dipping rollers are supported by a glue dipping roller hanger, the glue dipping roller hanger is relatively and fixedly connected with the rack, and the glass fiber cloth is positioned at the middle position between the first metering roller and the second metering roller at the end of the glass fiber cloth in the advancing direction, which is out of glue solution.

Preferably, a first scraper is arranged at the first metering roller, the first scraper is arranged on the first metering roller hanger, and the edge of the first scraper is aligned with the first metering roller;

a second scraper is arranged at the second metering roller and is arranged on a second metering roller hanger, and the knife edge of the second scraper is aligned with the second metering roller;

the first scraper and the second scraper are arranged on the outer sides of the first metering roller and the second metering roller, and the moving directions of the first metering roller and the second metering roller are vertical downward at the contact line of the first metering roller and the second metering roller with the glass fiber cloth;

the edge of the first scraper and the edge of the second scraper are positioned at or above the horizontal plane of the axis of the first roller and the axis of the second metering roller.

Preferably, the gluing device further comprises a lifting mechanism, wherein the lifting mechanism comprises a hydraulic cylinder and is used for driving the glue dipping tank to move up and down, so that one part of the metering roller is immersed in the glue solution below the glue solution surface.

Preferably, the gluing device further comprises a lifting mechanism;

the lifting mechanism comprises a hydraulic cylinder;

the glue overflow groove and the glue dipping groove are fixedly connected through a support column at opposite positions, and a gap is formed between the glue overflow groove and the glue dipping groove to form a glue overflow accommodating space;

the metering rollers comprise a first metering roller and a second metering roller, the first metering roller and the second metering roller are cylindrical in outer contour, and the axial line of the first metering roller and the axial line of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller and the second metering roller have the same diameter of the outline circle, and the lowest generatrix of the first metering roller and the lowest generatrix of the second metering roller are on the same horizontal plane;

and a plunger of the hydraulic cylinder abuts against and lifts the glue overflow tank, so that the glue dip tank is driven to move up and down until the plane where the edge of the glue dip tank is located between the horizontal plane where the axes of the first roller and the second metering roller are located and the plane where the lowest bus of the first metering roller and the second metering roller and the lowest bus of the second metering roller are located.

Compared with the prior art, the invention provides a gluing device, which comprises: the glue dipping tank is used for containing glue solution, an opening is formed in the upper part of the glue dipping tank, and a glue solution surface is formed in the top of the glue solution; and a metering roller, wherein a part of the metering roller is immersed into the glue solution below the glue solution surface. Therefore, the invention can achieve the technical effects that the problem that the cloth cover forms a strip shape with uneven thickness under the high filler is solved, and the yield of the high filler prepreg is improved; the process problem that the viscosity of the glue solution after glue scraping is larger than that of the glue solution in the tank and the flow is poor is also solved; meanwhile, the structure is more compact and efficient than the prior structure; the volatilization space of the glue solution solvent is reduced, so that the viscosity of the glue solution is more stable.

Drawings

Fig. 1 shows a schematic structural diagram of an embodiment of a gluing device provided by the invention.

Description of reference numerals:

1 dipping tank

2 glue solution

3 open mouth

4 glue surface

5 metering roll

6 glue overflow groove

7 horizontal plane

8 edge

9 glue storage barrel

10 open mouth

11 bottom part

12 glue return opening

13 glue-returning pump

14 pipeline

15 pipeline

16 opening

17 glue supply pump

18 pipeline

19 scattered rubber tube

20 glue outlet groove

21 first metering roll

22 second metering roll

23 axis of the first metering roll

24 axis of second metering roll

25 lowest generatrix of first metering roller

26 lowest generatrix of second metering roller

27 horizontal plane

28 plane

29 frame

30 first metering roll hanger

31 second metering roll hanger

32 slide rail

33 first adjusting bolt

34 second adjusting bolt

35 glass fiber cloth

36 dipping roll

37 dipping roll

38 dipping roll

39 dipping roll hanger

40 first scraper

41 blade

42 second scraper

43 blade edge

44 lifting mechanism

45 support column

46 flash space.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.

Referring to fig. 1, the present invention provides a glue applying apparatus, comprising: the glue dipping device comprises a glue dipping tank 1, wherein the glue dipping tank 1 is used for containing glue solution 2, an opening 3 is formed in the upper portion of the glue dipping tank 1, and a glue solution surface 4 is formed in the top of the glue solution 2. And a metering roller 5, wherein a part of the metering roller 5 is immersed in the glue solution 2 below the glue solution surface 4.

The outside of the glue dipping tank 1 is surrounded with a glue overflow tank 6. The upper opening 3 of the glue dipping tank 1 is horizontally arranged and is provided with an edge 8, when the glue amount exceeds the capacity of the glue dipping tank, the glue 2 overflows from the edge 8 and enters the glue overflow tank 6, and the highest position of the glue surface is a horizontal plane 7 where the edge 8 of the opening of the glue dipping tank is located (see an arrow A in the figure). Normally, the opening 3 is arranged horizontally, and the edges 8 of the opening are all on the same horizontal plane. The following similar embodiments are equivalent technical solutions: if the edges 8 of the openings 3 are not on the same horizontal plane, the lowest point of the edge 8 is a point where the glue solution 2 flows out, and the horizontal plane where the lowest point of the edge 8 is located is the highest position of the glue solution surface; if the outer wall of the glue dipping tank 1 is provided with the glue overflow port, the glue solution flows out from the glue overflow port, and the horizontal plane of the glue overflow port is the highest position of the glue solution surface.

The gluing device provided by the invention further comprises a glue storage barrel 9.

The upper part of the glue overflow groove 6 is provided with an opening 10, the bottom 11 of the glue overflow groove is provided with a glue return opening 12, glue in the glue overflow groove 6 is conveyed to the glue storage barrel 9 through a glue return pump 13, the inlet of the glue return pump 13 is connected with the glue return opening 12 through a pipeline 14, and the outlet of the glue return pump 13 is connected with the upper part of the glue storage barrel 9 through a pipeline 15. The glue solution enters the glue storage barrel 9 from the upper part of the glue storage barrel 9 and is diffused and mixed in the glue storage barrel 9. The flow of the dope is shown by an arrow B in the figure.

The bottom of the glue storage barrel 9 is provided with an opening 16 connected with an inlet of a glue supply pump 17, and an outlet of the glue supply pump 17 is connected into the glue dipping tank 1 through a pipeline 18. The glue solution diffused and mixed in the height direction is delivered to the dipping tank 1 by a glue supply pump 17. The flow of the dope is shown by the arrow C in the figure.

A glue dispersing pipe 19 is arranged in the glue dipping tank 1, a glue outlet tank 20 is arranged on the glue dispersing pipe 19, and a pipeline 18 connected with an outlet of the glue supply pump 17 is communicated with the glue dispersing pipe 19. The glue solution is dispersed into the glue dipping tank 1 through a glue outlet tank 20 of the glue dispersing pipe 19.

The metering roller 5 comprises a first metering roller 21 and a second metering roller 22, the first metering roller 21 and the second metering roller 22 are cylindrical in outer contour, and an axis 23 of the first metering roller and an axis 24 of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller 21 and the second metering roller 22 have the same circular outline diameter, and the lowest generatrix 25 of the first metering roller and the lowest generatrix 26 of the second metering roller are on the same horizontal plane.

The horizontal plane 27 where the axes of the first metering roller and the second metering roller are located is higher than the glue solution surface 4, and the glue solution surface 4 is higher than the plane 28 where the lowest generatrix of the first metering roller and the second metering roller and the lowest generatrix of the second metering roller are located.

The line of the first metering roller 21, the second metering roller 22 and the glass fiber cloth soaked with the glue solution are in contact with the axis of the first metering roller and the axis of the second metering roller on the same horizontal plane. After the glue solution on the first metering roller 21 and the second metering roller 22 is scraped by the glue scraping plate, the glue solution surface 4 is arranged below the axis of the first metering roller and the axis of the second metering roller, and the glass fiber cloth can not be stained with new glue solution under the conditions that the first metering roller 21 and the second metering roller 22 contact the glass fiber cloth impregnated with the glue solution, the glue solution thickness is set, and the glue solution coating is leveled. The distance between the line where the first and second metering rollers 21 and 22 contact the glass cloth and the glue solution surface 4 is as short as possible and close to 0. The distance between the glass fiber cloth and the glue solution before shaping is shortened, and when the glue solution is filled with more materials, strip-shaped traces which are easily formed due to the fact that the glue solution is very viscous are avoided.

The gluing device provided by the invention further comprises a frame 29.

The first metering roll 21 is supported by a first metering roll hanger 30, and the second metering roll 22 is supported by a second metering roll hanger 31.

The first metering roller hanger 30 is slidably connected and erected on the slide rail 32, the second metering roller hanger 31 is relatively fixedly connected and erected on the slide rail 32, and the slide rail 32 is slidably connected to the rack 29. The slide rail 32 and the frame 29 may be slidably connected by a concave hole and a convex block.

The first metering roller hanger 30 is driven by a first adjusting bolt 33 to move relative to the slide rail 32 in the horizontal radial direction X of the first metering roller, so as to adjust the positions of the first metering roller hanger 30 and the second metering roller hanger 31, so that the gap between the first metering roller 21 and the second metering roller 22 reaches a set value; the slide rail 32 is moved in the horizontal radial direction X of the second metering roll relative to the frame 29 by the second adjusting bolt 34, so as to adjust the positions of the first metering roll hanger 30 and the second metering roll hanger 31 such that the glass fiber cloth 35 impregnated with the glue solution is located at an intermediate position between the first metering roll 21 and the second metering roll 22. The horizontal radial direction of the first metering roll is the same as the horizontal radial direction of the second metering roll. The two movements are one of the two movements, the gap between the first metering roller 21 and the second metering roller 22 can be adjusted, the gap can also be adjusted according to the process parameters determined by the thickness of the glue solution coated on the glass fiber cloth, and the positions of the middle positions of the first metering roller 21 and the second metering roller 22 can be adjusted, so that the glass fiber cloth 35 is vertically positioned in the middle position, and the glue solutions on the two sides of the glass fiber cloth 35 can be averaged as much as possible.

The gluing device provided by the invention further comprises glue dipping rollers 36, 37 and 38, the number of the glue dipping rollers 36, 37 and 38 is three, the three glue dipping rollers 36, 37 and 38 are arranged in a delta shape, the central axes of the two glue dipping rollers 36 and 38 at the lower part are horizontally arranged, the central axis of one glue dipping roller 37 at the upper part is positioned at the upper part of the middle of the two glue dipping rollers, the glass fiber cloth 35 sequentially passes through the first glue dipping roller 36 at the lower part, the second glue dipping roller 37 at the upper part and the third glue dipping roller 38 at the lower part, the glue dipping rollers 36, 37 and 38 are supported by a glue dipping roller hanger 39, the glue dipping roller hanger 39 is relatively and fixedly connected with the rack 29, and the end of the glass fiber cloth glue outlet liquid in the advancing direction (shown by an arrow D on a straight line section in the figure) of the glass fiber cloth 35 is positioned at the middle position between the first metering roller 21 and the second metering roller 22.

A first doctor blade 40 is provided at the first metering roll 21, the first doctor blade 40 being mounted on the first metering roll hanger 30 with the blade edge 41 of the first doctor blade 40 aligned with the first metering roll 21. Accordingly, the glue solution adhered to the first metering roll 21 can be scraped from the first metering roll into the dip tank 1.

A second doctor blade 42 is provided at the second metering roll 22, the second doctor blade 42 being mounted on the second metering roll hanger 31 with the blade edge 43 of the second doctor blade 42 being aligned with the second metering roll 22. Accordingly, the glue solution adhered to the second metering roll 22 can be scraped from the second metering roll into the dip tank 1.

The first doctor blade 40 and the second doctor blade 42 are provided outside the first metering roll 21 and the second metering roll 22, and the moving direction of the first metering roll 21 and the second metering roll 22 is vertically downward at the line where the first metering roll 21 and the second metering roll 22 contact the glass fiber cloth 35.

The edges 41 and 43 of the first and second doctor blades are located at or above the horizontal plane 27 in which the axes of the first and second metering rolls lie.

The gluing device further comprises a lifting mechanism 44, wherein the lifting mechanism 44 comprises a hydraulic cylinder, and the lifting mechanism 44 is used for driving the glue dipping tank 1 to move up and down so that a part of the metering roller 5 is immersed in the glue solution 2 below the glue solution surface 4.

The gluing device provided by the invention further comprises a lifting mechanism 44. The lifting mechanism comprises a hydraulic cylinder; the glue overflow groove 6 is fixedly connected with the glue dipping groove 1 through a supporting column 45 at a relative position, and a gap is formed between the glue overflow groove 6 and the glue dipping groove 1 to form a glue overflow containing space 46. The metering roller 5 comprises a first metering roller 21 and a second metering roller 22, the first metering roller 21 and the second metering roller 22 are cylindrical in outer contour, and an axis 23 of the first metering roller and an axis 24 of the second metering roller are parallel to each other and are arranged on the same horizontal plane; the first metering roller 21 and the second metering roller 22 have the same circular outline diameter, and the lowest generatrix 25 of the first metering roller and the lowest generatrix 26 of the second metering roller are on the same horizontal plane. The plunger of the hydraulic cylinder is abutted against the lifting glue overflow groove 6, so that the glue dipping groove 1 is driven to move up and down until the plane where the edge 8 of the glue dipping groove is located between the horizontal plane 27 where the axes of the first roller and the second metering roller are located and the plane 28 where the lowest generatrix of the first metering roller and the second metering roller and the lowest generatrix of the second metering roller are located. Through overflowing glue, can guarantee that glue liquid level 4 is not higher than the plane at the edge 8 of steeping vat, moreover, through the circulation of uninterruptedly overflowing glue, can guarantee basically that glue liquid level 4 is located the plane at the edge 8 of steeping vat, promote glue liquid level 4 to between horizontal plane 27 and plane 28 through elevating system to can avoid going out glue liquid level and measuring roller's the strip vestige that the distance overlength formed when glue solution packs higher, also can make the glass fiber cloth of the glue solution of flooding after the design no longer contact the glue solution.

A spring-damped vibration isolation system may also be provided at the lifting mechanism 44, located between the cylinder plunger and the glue flood tank for vibration isolation.

The above is a specific embodiment of the gluing device provided by the present invention. Therefore, the invention can achieve the technical effects that the problem that the cloth cover forms a strip shape with uneven thickness under the high filler is solved, and the yield of the high filler prepreg is improved; the process problem that the viscosity of the glue solution after glue scraping is larger than that of the glue solution in the tank and the flow is poor is also solved; meanwhile, the structure is more compact and efficient than the prior structure; the volatilization space of the glue solution solvent is reduced, so that the viscosity of the glue solution is more stable.

The above-mentioned embodiments and the accompanying drawings are only for illustrating the technical solutions and effects of the present invention, and are not to be construed as limiting the present invention. It is to be understood that those skilled in the art can modify and change the above-described embodiments without departing from the technical spirit and scope of the present invention as defined in the appended claims.