Rubber powder smearing device for lining cloth production

Abstract

The utility model relates to a rubber powder smearing device for lining cloth production. The electrostatic powder spraying device comprises a transmission roller and a spraying frame, a plurality of electrostatic powder spraying guns are arranged on the spraying frame, the electrostatic powder spraying device further comprises a first shielding assembly and a second shielding assembly, the first shielding assembly comprises a mounting frame, two shielding rollers, a gear motor and two powder boxes, and turning plates are horizontally and rotationally connected into the powder boxes; the second shielding assembly comprises two sets of paper tape shielding modules, each paper tape shielding module is composed of a paper tape output roller, a paper tape, two guide rollers and a paper tape winding roller, and the paper tape is guided by the guide rollers to be conveyed in the direction parallel to the lining cloth conveying direction. A rectangular spraying area is defined by the two paper tapes and the two shielding rollers in the overlook direction. The glue powder spraying device not only has a uniform glue powder spraying effect and can accurately control the powder spraying area, but also can prevent the non-gluing area on the fabric and the equipment from being polluted by the glue powder.

Description

Technical Field

[0001] The utility model relates to a device for applying rubber powder for producing lining cloth, in particular to a device for applying rubber powder for producing lining cloth. Background Art

[0002] When interlining fabrics are used in applications requiring waterproofing, waterproof interlining fabrics are required. Interlining fabrics are typically treated with a waterproof coating to effectively protect against erosion from rain and humid environments. Waterproof coatings are typically applied through a combination of coating and powder coating processes. The coating process is subject to material limitations of the coating, and may offer less corrosion and abrasion resistance than powder coating processes. The powder coating process is relatively environmentally friendly, as powder coatings contain no solvents or volatile organic compounds, reducing environmental pollution. Furthermore, waste disposal from powder coatings is relatively simple.

[0003] The adhesive powder spraying process consists of three steps: powdering, melting, and curing. The powdering step involves using an electrostatic powder spray gun to evenly apply the adhesive powder to the surface. The powder adheres to the surface due to static electricity. However, the spraying uniformity of electrostatic powder spray guns is uneven, with the powdering effect at the edges being significantly weaker than in the center. Consequently, if the powder spraying area is controlled within the width of the interlining, the powder spraying thickness and uniformity at the edges will be less than that in the center, resulting in an uneven final coating thickness. If the interlining width is smaller than the powder spraying area, the powder spraying equipment will be contaminated, affecting the quality of the interlining. Summary of the Invention

[0004] The utility model provides a rubber powder coating device for lining cloth production, which solves the problem in the prior art that it is difficult to spray the rubber powder evenly on the lining cloth.

[0005] The above technical problems of the present invention are mainly solved by the following technical solutions: A rubber powder coating device for lining cloth production, comprising a plurality of conductive rollers for guiding the horizontal flow of the lining cloth and a spraying frame arranged above the lining cloth, wherein the spraying frame is evenly provided with a plurality of electrostatic powder spraying guns facing the lining cloth, and the electrostatic powder spraying guns are arranged in a straight line along the width direction of the lining cloth, characterized in that: the rubber powder coating device also includes a first shielding component and a second shielding component, the first shielding component and the second shielding component are both located in the area between the lining cloth and the electrostatic powder spraying gun, the first shielding component includes a mounting frame, two shielding rollers arranged at equal height intervals horizontally, a reduction motor driving the two shielding rollers to rotate in opposite directions, and two powder boxes arranged on one side of the shielding roller. , a flap is connected to the powder box for horizontal rotation, the axial direction of the two blocking rollers is perpendicular to the transmission direction of the lining cloth, the length of the blocking roller and the flap is greater than the width of the lining cloth, the outer end of the flap abuts against the outer wall of the blocking roller and makes the flap inclined, the second blocking assembly includes two sets of paper tape blocking modules symmetrically distributed on both sides of the lining cloth, the paper tape blocking module consists of a horizontally rotating paper tape output roller, a paper tape wound on the paper tape output roller, two guide rollers and a paper tape winding roller, the paper tape is transported parallel to the transmission direction of the lining cloth under the guidance of the guide roller, the paper tape between the two guide rollers is horizontal and located below the two blocking rollers, the two paper tapes and the two blocking rollers define a rectangular spraying area in a top view.

[0006] The utility model provides a first shielding assembly and a second shielding assembly between the electrostatic powder spraying gun and the lining cloth, and a rectangular spraying area is defined by the two paper tapes and the two shielding rollers in a top view direction. The rubber powder sprayed by the electrostatic powder spraying gun can only pass through the rectangular spraying area. The actual powder spraying area of ​​the electrostatic powder spraying gun group is slightly larger than the rectangular spraying area. Therefore, the spraying quality passing through the rectangular spraying area is relatively uniform, and the powder mist on the periphery is blocked by the paper tape and the shielding roller. The shielding roller is in a state of constant slow rotation, so the area on the shielding roller that is being powdered slowly rotates toward the flap. Because the flap scrapes the shielding roller, the powder on the shielding roller's surface is caught by the flap and gradually accumulates on the flap. When the accumulated mass is too large, it rolls into the powder box, necessitating regular replacement of the powder box. The paper tape in the paper tape shielding module is also in a one-way transmission state. The paper tape is wound around the paper tape output roller and pulled onto the paper tape take-up roller. During the pulling process, the paper tape will be contaminated by the powder, and the contaminated paper tape will be collected on the paper tape take-up roller. Therefore, the utility model not only achieves a uniform adhesive powder spraying effect and accurately controls the powder spraying area, but also prevents adhesive powder contamination of uncoated areas on the fabric and equipment.

[0007] Furthermore, a sinking roller is located in front of the conductive roller, and the paper tape take-up roller is located above it. The paper tape take-up roller is located in front of the rectangular spraying area, while the paper tape delivery roller is located behind it. This ensures that the paper tape moves in the opposite direction of the backing cloth. The sinking roller provides ample space for the paper tape take-up roller to sink. This arrangement allows the two guide rollers to be as close to the backing cloth as possible and prevents the spray powder on the paper tape from contaminating the guide rollers. To prevent adhesive powder from falling from the paper tape wrapped around the take-up roller, a powder collection box is located on the underside of the take-up roller to prevent contamination of the fabric.

[0008] Therefore, compared with the prior art, the present invention has the following characteristics: 1. The present invention sets a first shielding component and a second shielding component between the electrostatic powder spraying gun and the lining cloth, and a rectangular spraying area is defined by the two paper tapes and the two shielding rollers in the top view direction. The glue powder sprayed by the electrostatic powder spraying gun can only pass through the rectangular spraying area. The actual powder spraying area of ​​the electrostatic powder spraying gun group is slightly larger than the rectangular spraying area. The present invention not only has a uniform glue powder spraying effect and accurately controls the powder spraying area, but also can prevent the non-glue-coated areas on the fabric and the equipment from being contaminated by glue powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Attachment Figure 1 It is a structural schematic diagram of the utility model;

[0010] Attachment Figure 2 is a structural diagram of a first shielding component;

[0011] Attachment Figure 3 It is a partial top view of the utility model;

[0012] Attachment Figure 4 It is a structural diagram of a paper tape output roller or a paper tape take-up roller. DETAILED DESCRIPTION

[0013] The technical solution of the present invention will be further specifically described below with reference to the embodiments and the accompanying drawings.

[0014] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0015] Example 1: See Figure 1、 Figure 2 and Figure 3 , a rubber powder coating device for lining cloth production, comprising a plurality of conduction rollers 10 for guiding the horizontal flow of the lining cloth, two side plates 20 for mounting the conduction rollers and a spraying frame 30 arranged above the lining cloth, a plurality of clamps 31 are evenly arranged on the spraying frame, an electrostatic powder spraying gun 40 facing the lining cloth is fixed on the clamp, and the electrostatic powder spraying gun is arranged in a straight line along the width direction of the lining cloth, the rubber powder coating device also comprises a first shielding component 100 and a second shielding component 200, the first shielding component and the second shielding component are both located in the area between the lining cloth and the electrostatic powder spraying gun, the first shielding component comprises a mounting frame 110, two shielding rollers 120 arranged at equal height intervals horizontally, a reduction motor 130 driving the two shielding rollers to rotate in opposite directions, and two powder boxes 140 arranged on one side of the shielding roller, a flap 150 is connected to the powder box for horizontal rotation, and the axial direction of the two shielding rollers Perpendicular to the transmission direction of the lining cloth, the length of the shielding roller and the flap is greater than the width of the lining cloth. The outer end of the flap is in contact with the outer wall of the shielding roller due to gravity, and the flap is tilted. The flap has a self-sharpening effect during the continuous friction with the shielding roller. The second shielding component includes two sets of paper tape shielding modules 300 symmetrically distributed on both sides of the lining cloth. The paper tape shielding module is composed of a horizontally rotating paper tape output roller 310, a paper tape 320 wound on the paper tape output roller, two guide rollers 330 and a paper tape winding roller 340. The paper tape output roller, the guide roller and the paper tape winding roller are all rotatably connected to the side plate. The paper tape winding roller is a power roller. The paper tape is transported in parallel to the transmission direction of the lining cloth under the guidance of the guide roller. The paper tape between the two guide rollers is horizontal and is located below the two shielding rollers. The two paper tapes and the two shielding rollers define a rectangular spraying area in the top view.

[0016] In this embodiment, a first shielding assembly and a second shielding assembly are set between the electrostatic powder spraying gun and the lining cloth, and a rectangular spraying area is defined by two paper tapes and two shielding rollers in the top view direction. The rubber powder sprayed by the electrostatic powder spraying gun can only pass through the rectangular spraying area. The actual powder spraying area of ​​the electrostatic powder spraying gun group is slightly larger than the rectangular spraying area. Therefore, the spraying quality through the rectangular spraying area is relatively uniform, and the powder mist on the periphery is blocked by the paper tape and the shielding roller. The shielding roller rotates slowly, so the powdered area on the shielding roller slowly rotates toward the flap. Because the flap scrapes the shielding roller, the powder on the shielding roller's surface is picked up by the flap and gradually accumulates on the flap. When the accumulated mass becomes too large, it rolls into the powder box, necessitating regular replacement of the powder box. The paper tape in the paper tape shielding module also operates in a one-way transmission mode. The paper tape is wound around the paper tape output roller and pulled onto the paper tape take-up roller. During this process, the paper tape becomes contaminated by the powder, which collects on the take-up roller. Therefore, this embodiment not only achieves a uniform adhesive powder coating and precisely controls the powdered area, but also prevents adhesive powder contamination of uncoated areas of the fabric and equipment.

[0017] See Figure 1 A sinking roller 50 is located in front of the conductive roller, and a paper tape take-up roller is located above it. The paper tape take-up roller is located in front of the rectangular spraying zone, while the paper tape delivery roller is located behind it. This ensures that the paper tape moves in the opposite direction of the backing cloth. The sinking roller provides ample space for the paper tape take-up roller to sink. This arrangement allows the two guide rollers to be as close to the backing cloth as possible and prevents the spray powder on the paper tape from contaminating the guide rollers. To prevent adhesive powder from falling from the paper tape wrapped around the take-up roller, a powder collection box 60 is located on the underside of the take-up roller to prevent contamination of the fabric.

[0018] See Figure 4 The paper tape reel and the paper tape delivery roller are both inflatable shafts, and are sleeved with a paper tape winding cylinder 350 on the paper tape reel and the paper tape delivery roller. This arrangement is for the convenience of replacing the paper tape reel and the paper tape delivery roller.

[0019] See Figure 1 The reduction motor is fixed on the mounting frame and is connected to one of the blocking rollers. The other ends of the two blocking rollers are coaxially fixed with gears 70. The mounting frame is also rotatably connected with two gears. The four gears are engaged with each other, so that the two blocking rollers rotate in opposite directions at a constant speed. Two powder box trays 160 for carrying and positioning powder boxes are also fixed on the mounting frame.

[0020] It is obvious to those skilled in the art that the present invention can be modified in many ways, and such modifications are not considered to depart from the scope of the present invention. All such modifications obvious to those skilled in the art are intended to be included within the scope of the present claims.

Claims

1. A rubber powder coating device for lining cloth production, comprising a plurality of conductive rollers for guiding the horizontal flow of the lining cloth and a spraying frame arranged above the lining cloth, wherein the spraying frame is evenly provided with a plurality of electrostatic powder spraying guns facing the lining cloth, characterized in that: The glue powder coating device also includes a first shielding component and a second shielding component, both of which are located in the area between the lining cloth and the electrostatic powder spraying gun, the first shielding component includes a mounting frame, two shielding rollers arranged at equal heights, a reduction motor driving the two shielding rollers to rotate in opposite directions, and two powder boxes arranged on one side of the shielding rollers, a flap is connected to the powder box for horizontal rotation, the axial direction of the two shielding rollers is perpendicular to the transmission direction of the lining cloth, the length of the shielding roller and the flap is greater than the width of the lining cloth, and the outer surface of the flap is greater than the outer surface of the flap. The end abuts against the outer wall of the blocking roller and makes the flap inclined. The second blocking assembly includes two sets of paper tape blocking modules symmetrically distributed on both sides of the lining cloth. The paper tape blocking module is composed of a horizontally rotating paper tape output roller, a paper tape wound on the paper tape output roller, two guide rollers and a paper tape winding roller. The paper tape is transported in a direction parallel to the transmission direction of the lining cloth under the guidance of the guide roller. The paper tape between the two guide rollers is horizontal and is located below the two blocking rollers. The two paper tapes and the two blocking rollers define a rectangular spraying area in the top view direction.

2. The rubber powder coating device for lining cloth production according to claim 1, characterized in that: A sinking roller is provided on the front side of the conductive roller, and the paper tape winding roller is provided on the upper side of the sinking roller; a powder collecting box is also provided on the lower side of the paper tape winding roller.

3. The rubber powder coating device for lining cloth production according to claim 2, characterized in that: The paper tape winding roller and the paper tape output roller are both inflatable shafts, and the paper tape winding roller and the paper tape output roller are both sleeved with a paper tape winding cylinder.

4. The rubber powder coating device for lining cloth production according to claim 1, characterized in that: The reduction motor is fixed on the mounting frame and is connected to one of the shielding rollers in a transmission manner. Gears are coaxially fixed to the other ends of the two shielding rollers. Two gears are also rotatably connected to the mounting frame. The four gears are engaged with each other, so that the two shielding rollers rotate in opposite directions at a constant speed.

5. The rubber powder coating device for lining cloth production according to claim 4, characterized in that: Two powder box trays for carrying and positioning powder boxes are also fixed on the mounting frame.

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