Roller device and roller system for impregnation machine

Abstract

The utility model provides a roller device for an impregnation machine. The roller device comprises a roller unit, a scraper unit and a glue guide unit, the roller unit is used for moving relative to the other roller unit and forming a gap with a variable size. The scraper unit is arranged on the periphery of the roller unit and used for scraping redundant glue on the surface of the roller unit. The glue guiding unit is arranged around the roller unit and used for guiding glue to flow towards the edge of the roller unit. The utility model further provides a roller system comprising the roller device.

Description

Technical Field

[0001] The utility model relates to a roller device and a roller system for an impregnating machine, in particular to a roller device and a roller system with a glue guiding unit. Background Art

[0002] In the technical field of impregnation technology (also known as coating technology), a transporting device (roller) is used to drive a base fabric for processing. During the processing, if there is an operation step of impregnating the base fabric, for example Figure 1 As shown, since the glue bucket tank B' contains a liquid (such as glue G'), it is usually arranged at the bottom of the transporting device, so that the base fabric (not shown in the figure) laid on the roller unit 10' can rotate upward along the outer circumference of the roller unit 10' after soaking into the glue bucket tank B'. Therefore, the roller unit 10' arranged at the end of the transporting device must operate while soaking in the glue G' to provide a rotation path for the base fabric and tension the base fabric, so that the base fabric can be driven by the driven roller unit 10'.

[0003] As Figure 2A shown, after the roller unit 10' repeatedly drives the base fabric to soak in the glue G', due to the capillary phenomenon between the edge of the base fabric and the surface 11' of the roller unit 10', the glue G' continuously remains and solidifies at the edge of the fabric. Eventually, a layered glue G' residue is formed at the edges of both ends of the roller unit 10'. This residue may affect the subsequent transportation of the base fabric and the metering function of the roller unit 10', making the gap S' (see Figure 2B ) between the roller units 10' for controlling the thickness of the base fabric after being coated with glue no longer accurate. In addition, the scraper unit 30' used to scrape the roller unit 10' may also cause rapid wear of the blade 31' due to the cured layered residue.

[0004] In the prior art, in order to avoid the above technical problems, as Figure 1 shown, a dropper T for dripping a cleaning solvent A (such as acetone) is arranged above the glue bucket tank B' and on the upper side of the roller unit 10' to allow the solvent to wash the glue G' adhered to the edge of the fabric due to capillary action, so as to prevent the glue G' from solidifying at a fixed position and finally forming a layer. Together with the scraper unit 30', the glue G' is scraped off from the surface 11' of the roller unit 10'. However, continuously dripping the cleaning solvent A may cause the glue G' whose concentration has been adjusted in the glue bucket tank B' to be diluted, affecting the properties of the target glue layer on the base fabric. In addition, a cleaning solvent such as acetone is an additional cost for the process of soaking the base fabric. Subsequent treatment of acetone, such as waste recycling or reduction and environmental atmosphere protection, all increase the cost of the entire process.

[0005] In view of this, an improved roller device and a roller system are needed, which can solve the above technical problems by saving costs and not affecting the concentration of the glue G' in the glue bucket tank B'. Summary of the Invention

[0006] To solve the above problems, the present invention provides a roller device for an impregnating machine, which includes a roller unit, a scraper unit, and a glue guiding unit. The roller unit is used to perform relative movement with another roller unit and form a gap with variable size. The scraper unit is disposed around the roller unit for scraping off the excess glue on the surface of the roller unit. The glue guiding unit is disposed around the roller unit for guiding the glue to flow toward the edge of the roller unit.

[0007] In the roller device according to the present invention, the glue guiding unit is disposed in front of the scraper unit along the rotation direction of the roller unit.

[0008] In the roller device according to the present invention, the glue guiding unit guides the glue from the surface of the base fabric on the roller unit to the edge of the roller unit.

[0009] In the roller device according to the present invention, the glue guiding unit guides the glue from the surface of the base fabric on the roller unit along the surface of the roller unit to the edge of the roller unit.

[0010] In the roller device according to the present invention, the glue guiding unit is disposed on the support member of the scraper unit.

[0011] In the roller device according to the present invention, the glue guiding unit includes an adjusting member for adjusting the distance between the plate member of the glue guiding unit and the surface of the roller unit.

[0012] In the roller device according to the present invention, the glue guiding unit includes an adjusting member for adjusting the angle between the plate member of the glue guiding unit and the surface of the roller unit.

[0013] In the roller device according to the present invention, the plate member of the glue guiding unit has a width such that the plate member straddles the base fabric on the roller unit and the surface of the roller unit.

[0014] To solve the above problems, the present invention further provides a roller system for an impregnating machine, which includes at least two of the above roller devices according to the present invention.

[0015] The present utility model at least has the technical features of "a glue guiding unit, disposed around the roller unit, for guiding the glue towards the edge of the roller unit" in combination with "a scraper unit, disposed around the roller unit, for scraping off the excess glue on the surface of the roller unit". That is, in addition to directly using the scraper unit to scrape off the glue, a glue guiding unit is also used in combination to guide the glue onto the surface of the roller unit, so that the glue does not remain on the edge of the base fabric, but is evenly dispersed on the surface of the roller unit, thereby increasing the efficiency of the scraper unit in scraping off the glue and can replace the cleaning solvent used in the known technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 Side view schematic diagram of a roller system well-known in the art.

[0018] Figure 2A Front view schematic diagram of a roller system well-known in the art after use.

[0019] Figure 2B Side view schematic diagram of a roller system well-known in the art after use.

[0020] Figure 3A Front view schematic diagram of a roller system according to an embodiment of the present utility model.

[0021] Figure 3B Side view schematic diagram of a roller system according to an embodiment of the present utility model.

[0022] Figure 4A Side view schematic diagram of a glue guiding unit according to an embodiment of the present utility model.

[0023] Figure 4B Schematic diagram of the state of a glue guiding unit according to an embodiment of the present utility model when the plate passes through the adjusting member to adjust the angle.

[0024] Figure 5 Side view schematic diagram of a roller device after adjusting the adjusting member according to an embodiment of the present utility model.

[0025] Figure 6A Bottom view schematic diagram of a roller device according to another embodiment of the present utility model.

[0026] Figure 6BA perspective schematic view of a roller device according to another embodiment of the present utility model.

[0027] Description of reference numerals:

[0028] A: Solvent, B, B': Bearing seats, C: Base fabric, D: Conveying direction, DS: Distance, E: Cloth edge, G, G': Glue, L: Line perpendicular to the axis of the adjusting member, O: Oscillation direction, P: Roller system, R: Rotation direction, S, S': Clearance, T: Dripping pipe, W: Width, α, β: Angles, 1: Roller device, 10, 10': Roller units, 11, 11': Surfaces, 12: Edge, 13: End, 14: Body, 20: Glue guiding unit, 21: Plate member, 211: Scraping edge, 212: Fixed edge, 22: Upper clamping member, 23: Lower clamping member, 24: Pivotable fixing bracket, 241: Tail end, 25: Adjusting member, 251: Operating end, 252: Abutting end, 26: Adjusting seat, 261: Top, 27: Connecting member, 28: Pivot shaft, 29: Fixing member, 30, 30': Scraper units, 31, 31': Blade members, 32: Supporting member, 33: Hanging portion. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. To make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0030] The roller device and roller system of the present utility model will be described with reference to the following embodiments and drawings. However, it should be noted that the terms "upper", "lower", "above", "below", "top", "bottom", "front", "rear", "front side", and "rear side" used to describe directions, positions, or orientations are only descriptions of the relative positions of components with reference to the attached drawings, and are not used to limit the scope of the rights claimed by the present utility model. Those of ordinary skill in the art of the present utility model can understand that the present utility model is not limited to the following embodiments, and can make changes, modifications, or substitutions to the aspects and details in the embodiments without departing from the gist of the present utility model and the scope of rights defined in the claims. Therefore, the interpretation of the claims of the present utility model is not limited by the content described in the following embodiments. Among the different embodiments described below, components with the same or similar technical means (way), functions (function), and effects (result) are labeled with the same reference numerals. Without conflict, the technical components in different embodiments can be interchanged or used commonly.

[0031] As Figure 3A and Figure 3B shown, in which Figure 3A shows a front view schematic diagram of the roller device 1 according to an embodiment of the present utility model and Figure 3B shows a side view schematic diagram of the roller system P having two roller devices 1. The roller system P for an impregnating machine according to the present utility model may have at least two roller devices 1. The roller device 1 includes a roller unit 10, a glue guiding unit 20, and a doctor blade unit 30. As Figure 3B shown, the roller unit 10 and the roller unit 10 of another roller device perform relative movement to form a gap S with a variable size. This gap S can control the thickness of the base fabric after being soaked with the glue G in the conveying direction D of the base fabric, that is, control the amount of glue G adhered to the base fabric, achieving a metering function. The roller unit 10 is generally a cylindrical roller, which has a smooth surface 11, edges 12 at both ends of the surface 11, and an end portion 13 extending outward from the edge 12 for connecting to the bearing block B. The surface 11 of the roller unit 10 is a working area substantially in contact with the base fabric to be processed, and is used to face the surface 11 of another roller unit 10 to form a gap S for the base fabric to pass through. As Figure 3B shown, the working roller unit 10 ( Figure 3B the roller unit 10 on the right side) can rotate in a direction opposite to the conveying direction D of the base fabric along the rotation direction R, and the other opposite roller unit 10 ( Figure 3B the roller unit 10 on the left side) also rotates in a relative direction opposite to the conveying direction D of the base fabric. However, the present utility model is not limited thereto, and the roller unit 10 can also rotate in the same direction as the conveying direction D of the base fabric, that is, for example, Figure 3BThe roller unit 10 on the right rotates clockwise. Because the direction of rotation of the roller unit 10 does not completely affect the conveying of the base fabric, it is also acceptable that the direction of rotation is substantially opposite to the conveying direction D of the base fabric.

[0032] like Figure 3B As shown, the scraper unit 30 included in the roller device 1 according to the utility model can be arranged around the roller unit 10, and is used to scrape off the excess glue G on the surface of the roller unit 10. Specifically, the scraper unit 30 can be supported by the support member 32 and arranged around the roller unit 10 on the other side relative to the base cloth, that is, the outer side of the two roller units 10, so that the scraper unit 30 will not interfere with the conveying path (conveying direction D) of the base cloth, and scrape off the glue G remaining on the surface 11 of the roller unit 10 every time the roller unit 10 rotates one circle. The scraper unit 30 can have a knife member 31 extending toward the surface 11 of the roller unit 10, and the tangent line of the knife member 31 and the cylindrical surface of the roller unit 10 extends at a specific angle, so as to plane or scrape off the glue G remaining on the surface 11 through the relative movement generated when the roller unit 10 rotates. However, the utility model is not limited to this, and the scraper unit 30 can be arranged at any position around the roller unit 10 that does not affect the conveying of the base cloth.

[0033] The roller device 1 according to the present invention includes a glue guiding unit 20, which is arranged around the roller unit 10 and is used to guide the glue G to flow toward the end 13 of the roller unit 10. Specifically, Figure 3A As shown, the glue guiding unit 20 is disposed around the roller unit 10 and does not interfere with the conveying of the base fabric C. More specifically, as Figure 3B As shown, the glue guiding unit 20 according to one embodiment of the present invention can be arranged at the lower side of the roller unit 10, that is, the side opposite to the base fabric conveying direction D. In this way, the glue guiding unit 20 can not interfere with the conveying path of the base fabric C and also does not affect the function of the scraper unit 30. The glue guiding unit 20 can have a plate 21 for guiding the glue G adhered to the surface 11 of the roller unit 10 toward the edge 12 of the roller unit 10 (see Figure 3A ).like Figure 3B As shown, according to an embodiment of the present invention, the glue guiding unit 20 is arranged in front of the scraper unit 30 along the rotation direction R of the roller unit 10, so that the glue G can be guided by the plate 21 of the glue guiding unit 20 before being scraped off by the blade 31 of the scraper unit 30. This allows the glue G to be evenly distributed on the base fabric C, the base fabric edge E and the surface 11 of the roller unit 10 after being guided by the plate 21 (see Figure 3A) and will no longer accumulate at the cloth edge E of the base cloth C; subsequently, the blade member 31 of the scraper unit 30 can apply force more efficiently and evenly to scrape off the excess glue G from the roller unit 10 or the base cloth C, thereby achieving a more efficient glue G scraping effect, eliminating the cost increase or environmental pollution caused by using cleaning solvents, and extending the service life of the scraper unit 30.

[0034] In this embodiment, as Figure 3A shown, the glue guiding unit 20 can guide the glue G from the surface of the base cloth C along the surface 11 of the roller unit 10 to the edge 12 of the roller unit 10; alternatively, in a variant embodiment of the present invention, the glue guiding unit 20 can directly guide the glue G from the surface of the base cloth C on the roller unit 10 to the edge 12 of the roller unit 10.

[0035] In this embodiment, as Figure 3A shown, the plate member 21 of the glue guiding unit 20 can have a width W such that the width W of the plate member 21 is sufficient to span the base cloth C on the roller unit 10 and the surface 11 of the roller unit 10. That is to say, the plate member 21 can span the cloth edge E of the base cloth C to guide the glue G adhered to the cloth edge E to be at least evenly distributed within the range accessible by the plate member 21. In this embodiment, the width W of the plate member 21 can extend beyond the edge 12 of the roller unit 10 so that the glue G can be guided outside the surface 11 of the roller unit 10, thereby preventing the glue G from remaining on the roller unit 10, improving the smoothness of the operation of the roller unit 10, and further improving the yield. In a variant embodiment of the present invention, the width W of the plate member 21 can be flush with the edge 12 of the roller unit 10 to make the configuration of the glue guiding unit 20 and other components more compact and not interfere with the operation of other components, such as the roller unit 10 and the scraper unit 30.

[0036] In this embodiment, as Figure 3A shown, the body 14 of the roller unit 10 can have a width of, for example, 1300 to 1600 millimeters (mm), preferably 1500 millimeters. The width of the base cloth C can be less than the width of the body 14, for example, 1200 to 1400 millimeters, preferably 1300 millimeters. The width W of the plate member 21 can be between, for example, 20 millimeters and 50 millimeters, preferably 35 millimeters. However, the present invention is not limited thereto, and the width of the body 14 of the roller unit 10 can be designed according to the needs of the process and the width of the base cloth C so that the width of the body 14 is greater than the width of the base cloth C to ensure that the surfaces 11 on both sides of the body 14 are not covered by the base cloth C, ensuring that the base cloth C will not run out of the body 14 during transportation and the whole will pass through the gap S formed by the two roller units 10 (see Figure 3B)。Next, according to the range of the surfaces 11 on both sides of the body 14 that are not covered by the base fabric C, the width W of the plate member 21 is designed so that the width W can span the base fabric C, the selvage E, the surface 11 and be flush with or exceed the edge 12 as described above.

[0037] According to this embodiment, as Figure 3B shown, the glue guiding unit 20 can have a connecting member 27. Through the connecting member 27, the glue guiding unit 20 can be arranged on the support member 32 of the doctor blade unit 30. More specifically, a hanging portion 33 can be formed on the support member 32 so that the connecting member 27 of the glue guiding unit 20 can be fixed on the hanging portion 33, for example, by screwing, buckling with a buckle, adhering with an adhesive, etc. In this embodiment, the hanging portion 33 is integrally formed with the support member 32, but the present invention is not limited thereto. In other variant embodiments, the hanging portion 33 can also be fixed on the support member 32 by, for example, screwing, buckling with a buckle, adhering with an adhesive, etc.

[0038] In this embodiment, as Figure 4A shown, which shows a side view of the glue guiding unit 20, the glue guiding unit 20 can have a plate member 21, an upper clamping member 22, a lower clamping member 23, a pivotable fixing bracket 24, an adjusting member 25, an adjusting seat 26 and a connecting member 27. The plate member 21 can be clamped by the upper clamping member 22 and the lower clamping member 23. The upper clamping member 22 and the lower clamping member 23 can be fixed by fixing members such as screws and a part of the plate member 21 is clamped therebetween. In this embodiment, the upper clamping member 22 and the lower clamping member 23 can be connected to one end of the pivotable fixing bracket 24. The connection manner between the upper clamping member 22 and the lower clamping member 23 and the pivotable fixing bracket 24 is a fixed type, so that there is no relative movement between the upper clamping member 22 and the lower clamping member 23, and thus between the plate member 21 and the pivotable fixing bracket 24. In this embodiment, the upper clamping member 22 and the lower clamping member 23 are detachably connected to the pivotable fixing bracket 24; however, the present invention is not limited thereto. In other variant embodiments of the present invention, the upper clamping member 22 such as Figure 4AAs shown, the pivotable fixing bracket 24 is pivotally connected to the adjustment base 26 at the other end opposite to one end connected to the upper clip 22 and the lower clip 23. The other end of the pivotable fixing bracket 24 can be inserted into the adjustment base 26 and fixed in the adjustment base 26 through the pivot shaft 28. An adjusting member 25 can be provided to pass through the top 261 of the adjustment base 26 and abut against the other end of the pivotable fixing bracket 24. The operating end 251 of the adjusting member 25 exposes from the top 261 of the adjustment base 26; while the abutting end 252 of the adjusting member 25 abuts against the other end of the pivotable fixing bracket 24. The position where the abutting end 252 abuts against the pivotable fixing bracket 24 is closer to the tail end 241 of the pivotable fixing bracket 24 than the position of the pivot shaft 28, so that when the adjusting member 25 is screwed or inserted into the adjustment base 26 to the deepest position, the pivotable fixing bracket 24 can rotate clockwise around the pivot shaft 28 until the other end of the pivotable fixing bracket 24 inserted into the adjustment base 26 is completely attached and received in the adjustment base 26, so that the plate member 21 and the adjustment base 26 can be substantially horizontal with respect to each other.

[0039] As Figure 4B shown, it shows a schematic diagram of the state of the glue guiding unit 20 when the plate member 21 is adjusted in angle by the adjusting member 25. In this state, the adjusting member 25 is not completely locked or screwed into the top of the adjustment base 26 to the deepest position. As the adjusting member 25 moves away from the deepest position, the pivotable fixing bracket 24 generates a moment greater on the left side of the pivot shaft 28 than on the right side due to the components or parts on the left side of the pivot shaft 28, causing the pivotable fixing bracket 24 to rotate counterclockwise around the pivot shaft 28. In other words, when the adjusting member 25 no longer presses against the tail end 241 to the deepest position, the pivotable fixing bracket 24 is subjected to the moment generated by the weight of the part on the left side of the pivot shaft 28 and the connected components (plate member 21, upper clip 22, lower clip 23), and rotates counterclockwise towards the Figure 4A drawing to, for example, Figure 4B the position; so that as Figure 5 shown, the angle α between the plane of the plate member 21 and the axis of the adjustment base 26 (or Figure 4B the horizontal line of, or the line L perpendicular to the axis of the adjusting member 25) gradually increases.

[0040] As above, as Figure 5As shown, it is a schematic side view of the roller device 1 after adjusting the adjusting member 25. By adjusting the angle α, the adjusting member 25 can indirectly adjust the angle β between the plate member 21 of the glue guiding unit 20 and the tangent of the surface 11 of the roller unit 10. Thus, the adjusting member 25 can also adjust the distance DS between the plate member 21 of the glue guiding unit 20 and the surface 11 of the roller unit 10. In this embodiment, the distance DS can be adjusted according to the properties of the glue (such as rheological properties such as viscosity, surface tension, compressibility, etc.) or the material of the plate member 21 (such as one of stainless steel, carbon steel, brass, plastic, polyurethane, nylon, ceramic, fiber-reinforced polymers (FRP)), for example, within the range of 0.5 to 5 mm, preferably 1 mm.

[0041] As above, specifically, in combination with Figure 4B It can be seen that the other end of the pivotable fixing bracket 24 can be inserted into the adjusting seat 26 and connected to the adjusting seat 26 through the pivot shaft 28.

[0042] In the glue guiding unit 20 of another embodiment of the present invention, as Figure 6A and 6B shown, the upper clamping member 22 and the lower clamping member 23 can be fixed by a fixing member 213 such as a screw and a part of the plate member 21 is clamped therebetween. In this embodiment, the plate member 21 can include a scraping edge 211 for scraping off the glue and a fixing edge 212 fixed between the upper clamping member 22 and the lower clamping member 23. The scraping edge 211 can be inclined relative to the fixing edge 212, that is, the two are non-parallel edges, so that the plate member 21 can contact the surface of the roller unit or the surface of the base fabric in different dimensions, thereby achieving a more comprehensive effect of scraping off the glue.

[0043] In this embodiment, as Figure 6B shown, the glue guiding unit 20 can include a connecting member 27 having a length substantially the same as that of the upper clamping member 22 or the lower clamping member 23. The connecting member 27 can be a long strip-shaped plate member and is fixed on the hanging portion 33 of, for example, the scraper unit 30 through the fixing holes thereon or directly connected to the bracket B (see Figure 3B ).

[0044] In this embodiment, as Figure 6A and 6B shown, the glue guiding unit 20 can further be provided with a fixing member 29 at its tail end (i.e., the other end opposite to the plate member 21) for fixing the pivotable fixing bracket 24 in the adjusting seat 26. In this embodiment, as Figure 6AAs shown, since the tail end 241 of the pivotable fixing bracket 24 housed in the adjustment base 26 is engaged with the inner channel of the adjustment base 26 with a clearance (not shown in the figure), the plate member 21 can be adjusted in position along the swinging direction O under the linkage of the pivotable fixing bracket 24. After adjusting the position in the swinging direction O, the pivotable fixing bracket 24 can be locked by the fixing member 28, thereby fixing the relative position of the plate member 21 and other components. In this way, the adjustment mechanism for the position of the plate member 21 can be increased, and the position of the plate member 21 can be adjusted without disassembling the connecting member 27, increasing the smoothness and convenience of the operation.

[0045] In this article, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A roller device for an impregnating machine, characterized in that, Comprising: A roller unit for relative movement with another roller unit and forming a gap of variable size; A scraper unit disposed around the roller unit for scraping off excess glue on the surface of the roller unit; And A glue guiding unit disposed around the roller unit for guiding the glue to flow towards the edge of the roller unit.

2. The roller device according to claim 1, characterized in that, The glue guiding unit is disposed in front of the scraper unit along the rotation direction of the roller unit.

3. The roller device according to claim 1, characterized in that, The glue guiding unit guides the glue from the surface of the base fabric on the roller unit to the edge of the roller unit.

4. The roller device according to claim 1, wherein, The glue guiding unit guides the glue from the surface of the base fabric on the roller unit along the surface of the roller unit to the edge of the roller unit.

5. The roller device according to claim 1, characterized in that, The glue guiding unit is disposed on a support member of the scraper unit.

6. The roller device according to claim 1, characterized in that, The glue guiding unit includes an adjusting member for adjusting the distance between the plate member of the glue guiding unit and the surface of the roller unit.

7. The roller device according to claim 1, wherein The glue guiding unit includes an adjusting member for adjusting the angle between the plate member of the glue guiding unit and the surface of the roller unit.

8. The roller device according to claim 1, characterized in that, The plate member of the glue guiding unit has a width such that the plate member straddles the base fabric on the roller unit and the surface of the roller unit.

9. The roller device according to claim 8, characterized in that, The width of the plate member exceeds the edge of the roller unit.

10. A roller system for an impregnating machine, characterized in that, Comprising at least two roller devices according to any one of claims 1 to 9.

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