Film covering device for tent cloth processing

By incorporating a lifting cylinder, spring buffer, preheating module, and U-shaped air supply pipe, the design solves the problems of uneven clamping force and lack of preheating and cooling in existing tent fabric processing devices. This enables adaptive clamping, uniform heating, and rapid cooling of the tent fabric, improving the quality and efficiency of the coating process.

CN223918687UActive Publication Date: 2026-02-17CHENZHOU OASIS NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520601043.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-17
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing tent fabric processing equipment cannot respond in real time to changes in tent fabric thickness or wrinkles during clamping, resulting in hard compression or uneven clamping force, causing indentations, local tears, or peeling of the coating layer on the tent fabric surface. At the same time, the lack of preheating and rapid cooling modules affects waterproofness and durability.

Method used

The connecting plate driven by the lifting cylinder and the spring buffer structure realize the adaptive adjustment of the tarpaulin clamping force; the motor and pulley are linked to adjust the roller tension; the preheating module uniformly heats the tarpaulin substrate to remove moisture; the bidirectional cylinder drives the limit roller for lateral fine adjustment; the U-shaped air pipe provides double-sided synchronous cooling, which quickly shapes the tarpaulin and improves the film coating efficiency.

Benefits of technology

It achieves adaptive adjustment of tarpaulin clamping force, eliminates lamination bubbles, enhances adhesion, prevents cold shrinkage and cracking, ensures uniformity and efficiency of lamination, and improves waterproofness and durability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223918687U_ABST
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Abstract

The utility model relates to the technical field of tarpaulin processing, in particular to a film covering device for tent cloth processing, which comprises a base, a film covering unit and two groups of double-drum roll shafts, the film covering unit is mounted on the upper portion of the base, and conveying ports for tarpaulin to enter and exit are arranged on two sides of the lower portion of the film covering unit. The two sides, close to the lower portion of the laminating unit, of the upper portion of the base are each provided with a double-barrel roller shaft. According to the utility model, through the connecting plate, the bearing frame and the spring buffer structure, the self-adaptive adjustment of the clamping force of the tarpaulin is realized; the motor and the belt pulley are linked to dynamically adjust the tension of the roller shaft and eliminate film bubbles; the preheating module is used for uniformly heating the tarpaulin base material, removing moisture, enhancing the adhesiveness and preventing cracking caused by cold shrinkage; a bidirectional air cylinder drives a limiting roller to transversely and finely adjust to ensure that the tarpaulin is conveyed in the middle and film covering deflection errors exist; the double faces of the U-shaped air conveying pipe are synchronously cooled, rapid shaping is achieved, the film covering efficiency is improved, and efficient and uniform tarpaulin film covering processing is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tent cloth processing technical field especially, it relates to a tent cloth processing is with laminating device. BACKGROUND

[0002] In tent cloth processing, laminating process is the key step of improving material waterproofness and durability.

[0003] For example, the laminating device for tent cloth processing disclosed by Chinese patent CN222061212U prevents the tent cloth from folding when the laminating device laminates the tent cloth, which affects the laminating effect of the tent cloth. Meanwhile, the moving part of the linear motor moves, the position of the moving roller is controlled during transmission, the distance between the moving roller and the fixed roller is adjusted, the tent cloth of different thicknesses is clamped and fixed, the moving path of the fixed connecting plate is set by the limiting rod, thereby improving the moving stability of the moving roller, preventing the tent cloth from folding, and further improving the laminating effect of the tent cloth.

[0004] However, the above-mentioned patent clamps the tent cloth by the fixed roller and the moving roller, and adjusts the distance between the rollers by the linear motor to adapt to different thicknesses, but still has the following defects:

[0005] 1. The roller distance adjustment driven by the linear motor cannot respond to the tent cloth thickness or wrinkle changes in real time, resulting in uneven hard extrusion or clamping force, causing tent cloth surface indentation, local tearing or film layer peeling.

[0006] 2. Lack of preheating and rapid cooling module, tent cloth substrate moisture is not removed or temperature is not up to standard when laminating directly, which is easy to cause film layer cracking due to cold shrinkage effect; natural cooling efficiency is low after laminating, and thermal stress remains causes film layer deformation, affecting waterproofness and durability.

[0007] Therefore, a tent cloth processing laminating device is specially designed to solve the above technical problems. INVENTION CONTENTS

[0008] In order to overcome the defects of the above-mentioned prior art, the utility model provides a tent cloth processing laminating device.

[0009] The utility model discloses a technical scheme for tent cloth processing film laminating device, including base, laminating unit, double cylinder roll axle, lift cylinder, connecting plate, support frame, spring, mounting bracket, motor, belt pulley group, limiting mechanism and cooling mechanism, the upper portion of base is installed laminating unit, and the lower portion of laminating unit both sides are all opened and are sent to the conveying port of tent cloth, and double cylinder roll axle has two groups, and the lower portion both sides of laminating unit are all installed its one group double cylinder roll axle on the upper portion of base, and the lift cylinder of driving end is all installed to the upper two sides of laminating unit outside, and the driving end of two lift cylinders is all set up connecting plate, and the both ends of connecting plate extend to the outside of laminating unit, and the extension of both ends of two connecting plates is all slidably provided with support frame, and the spring is set up between support frame and corresponding connecting plate, and another group double cylinder roll axle is installed between two support frames of the same side of two connecting plates, and one group double cylinder roll axle is located on the upper portion of base, and the double cylinder roll axle below the extension of another connecting plate is directly opposite, and the side of one support frame is provided with mounting bracket, and the motor is installed to the side of mounting bracket, and the output shaft of motor is connected with one axle of another group double cylinder roll axle, and the belt pulley group is rotatably sleeved between the both ends of double cylinder roll axle on the both sides of two connecting plates, and the preheating module is installed to the position of conveying port below laminating unit on the upper portion of base, and the limiting mechanism that the edge of tent cloth is contacted is set up to the both sides on the upper portion of base, and the cooling mechanism that tent cloth is cooled is set up to the rear of the upper portion of base.

[0010] As a preferred technical scheme of the utility model, when the lift cylinder drives the connecting plate to descend, the double cylinder roll axle on the connecting plate moves synchronously and contacts with another double cylinder roll axle directly below.

[0011] As a preferred technical scheme of the utility model, the preheating module is set up to the both sides in the preheating module, and the two preheating modules are separated by the height of conveying port, and the double cylinder roll axle below laminating unit is adjacent to the preheating module.

[0012] As a preferred technical scheme of the utility model, the limiting mechanism includes bidirectional cylinder, mounting seat and limiting roll, and the bidirectional cylinder is installed to the both sides on the upper portion of base, and the mounting seat is set up to the driving end of bidirectional cylinder, and the limiting roll that is symmetrically rotatably set up to the edge of tent cloth is set up to the upper portion of mounting seat.

[0013] As a preferred technical scheme of the utility model, the cooling mechanism includes air heat pump, fixed frame and gas pipe, and the air heat pump is installed to the rear side on the upper portion of base, and the fixed frame is set up to the rear on the upper portion of base, and the gas pipe is installed to the fixed frame, and the gas pipe is connected with air heat pump.

[0014] As a preferred technical scheme of the utility model, the gas pipe is designed as U-shaped bending, and the height of conveying port below laminating unit is corresponding to the space of U-shaped structure, and the gas outlet of gas pipe is uniformly arranged along the inside shaft of gas pipe and is in the state of facing each other.

[0015] Beneficial effects: the utility model discloses through connecting plate, bearing frame and spring buffer structure, realizes the self -adaptation adjustment of tarpaulin clamping force, and motor and pulley linkage dynamic adjustment roll shaft tension, eliminates the film bubble, preheating module even heating tarpaulin base material, removes moisture and enhances the adhesion, prevents the cold shrinkage and cracks, and two -way cylinder drive limiting roller transverse fine adjustment, ensures tarpaulin center delivery, and film deflection error, and U -type gas pipe two -sided synchronous cooling, fast setting and promote the film efficiency, realizes efficient, even tarpaulin film processing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is assembly schematic drawing of the utility model.

[0017] Figure 2 It is structure schematic drawing of the utility model lift cylinder, connecting plate and roll shaft etc.

[0018] Figure 3 It is structure schematic drawing of the utility model mounting block, pulley and motor etc.

[0019] Figure 4 It is structure schematic drawing of the utility model connecting frame, air heat pump and two -way cylinder etc.

[0020] Figure 5 It is structure schematic drawing of the utility model rotating roller, preheating module and mounting frame etc.

[0021] Wherein: 1 - base, 2 - film laminating machine group, 3 - double cylinder roll shaft, 4 - lift cylinder, 5 - connecting plate, 6 - bearing frame, 7 - spring, 8 - mounting frame, 9 - motor, 10 - pulley group, 11 - preheating module, 12 - two -way cylinder, 13 - mounting seat, 14 - limiting roller, 15 - air heat pump, 16 - mounting frame, 17 - gas pipe. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in connection with the drawings and specific embodiment, but not as the limitation of the utility model.

[0023] Embodiment: a kind of film laminating device for tent cloth processing, as Figures 1-5As shown, including base 1, film laminating machine group 2, double cylinder roller shaft 3, lifting cylinder 4, connecting plate 5, receiving frame 6, spring 7, mounting frame 8, motor 9, pulley set 10, limiting mechanism and cooling mechanism, base 1 is the support matrix of the overall device, ensures the spatial positioning accuracy of each component, maintains the stability of the tarpaulin conveying during processing, the upper part of base 1 is provided with film laminating machine group 2, film laminating machine group 2 is composed of film material and tarpaulin base material through high temperature pressing or coating process, the lower part of film laminating machine group 2 is provided with conveying port for tarpaulin in and out on both sides, double cylinder roller shaft 3 has two groups, double cylinder roller shaft 3 is used for clamping and pulling tarpaulin, adjusting clamping force to adapt to different thickness materials, the upper part of base 1 is provided with one group of double cylinder roller shaft 3 on both sides near the lower part of film laminating machine group 2, lifting cylinder 4 with downward driving end is installed on the upper two sides outside film laminating machine group 2, the driving end of two lifting cylinders 4 is provided with connecting plate 5, the both ends of connecting plate 5 extend to the outside of film laminating machine group 2, and the lower part of the extension part of the both ends of two connecting plates 5 is slidably provided with receiving frame 6, spring 7 is arranged between receiving frame 6 and corresponding connecting plate 5, receiving frame 6 and spring 7 buffer clamping force, prevent hard extrusion from causing tarpaulin damage, another group of double cylinder roller shaft 3 is installed between two receiving frames 6 on the same side of two connecting plates 5, when lifting cylinder 4 drives connecting plate 5 to descend, the double cylinder roller shaft 3 thereon moves synchronously and contacts with another double cylinder roller shaft 3 opposite below, one group of double cylinder roller shaft 3 is located on the upper part of base 1, and another double cylinder roller shaft 3 is opposite below the extension part of another connecting plate 5, mounting frame 8 is arranged on one side of one receiving frame 6, motor 9 is installed on the side of mounting frame 8, the output shaft of motor 9 is connected with one roller shaft of another group of double cylinder roller shaft 3, pulley set 10 is rotatably sleeved between the both ends of double cylinder roller shaft 3 located on both sides of two connecting plates 5, preheating module 11 is installed on the position of the upper part of base 1 near the conveying port below film laminating machine group 2 through bolts, which is used for heating tarpaulin surface, removing moisture and softening base material, two preheating modules are arranged on both sides in preheating module 11, and the two preheating modules are spaced apart at the height of conveying port, preheating module 11 is adjacent to double cylinder roller shaft 3 below film laminating machine group 2, limiting mechanism for contacting and limiting tarpaulin edge is arranged on both sides of the upper part of base 1, cooling mechanism for cooling tarpaulin is arranged at the rear of the upper part of base 1.

[0024] As shown in Figure 1 and Figure 4 The limiting mechanism includes a double-action cylinder 12, a mounting seat 13 and a limiting roller 14, the double-action cylinder 12 is installed on both sides of the upper part of the seat, the mounting seat 13 is arranged on the driving end of the double-action cylinder 12, the mounting seat 13 and the driving end of the double-action cylinder 12 are fixed by bolts, the limiting roller 14 which rotates in contact with the edge of the tarpaulin is symmetrically arranged on the upper part of the mounting seat 13 and rotates through bearings, the limiting roller 14 rotates freely with the movement of the tarpaulin and maintains the center position through friction, the double-action cylinder 12 drives the limiting roller 14 laterally, dynamically corrects the deviation of the tarpaulin, thereby adjusting the distance between the limiting rollers according to the width of the tarpaulin to prevent film deflection.

[0025] As Figure 5 shown, the cooling mechanism includes air heat pump 15, fixed frame 16 and air pipe 17, air heat pump 15 is installed on the rear side of the upper part of base 1, providing cold air rapid cooling, locking film layer structure, fixed frame 16 is welded to the rear of the upper part of base 1, air pipe 17 is installed on fixed frame 16, air pipe 17 is connected with air heat pump 15, air pipe 17 is designed as U-shaped bending, the spacing of the U-shaped structure corresponds to the height of the conveying port below film coating unit 2, and the air outlets of air pipe 17 are uniformly arranged along the inner side axis and in the opposite state.

[0026] In use, the tarpaulin is input from the front of the base 1, first entering between the double-cylinder roller shafts 3 on both sides of the base 1, at this time, the lifting cylinders 4 are in the initial high position, the double-cylinder roller shafts 3 on the connecting plate 5 are kept apart from the double-cylinder roller shafts 3 below, avoiding deformation of the tarpaulin under pressure, the lifting cylinders 4 are started, the two lifting cylinders 4 synchronously drive the connecting plate 5 to descend, driving the double-cylinder roller shafts 3 of the movable group to move downward until contacting the double-cylinder roller shafts 3 of the fixed group, forming a clamping force, in the clamping process, if the tarpaulin is not uniform in thickness or has wrinkles, the springs 7 between the connecting plate 5 and the supporting frame 6 will automatically expand and contract according to the pressure change, avoiding hard extrusion of the roller shafts to cause damage to the tarpaulin, the motor 9 drives the double-cylinder roller shafts 3 of the movable group to rotate through the belt pulley set 10, forming reverse rotation with the roller shafts of the fixed group, uniformly pulling the tarpaulin to the film laminating unit 2, before this, the tarpaulin enters the film laminating unit 2, first passing through the preheating module 11 on the base 1, the preheating modules on both sides of the preheating module 11 uniformly heat the surface of the tarpaulin to the set temperature through hot air or infrared radiation, to remove surface moisture and soften the base material, enhancing the adhesion of the subsequent film lamination, the preheated tarpaulin enters from the conveying port below the film laminating unit 2, the film laminating unit 2 combines the film material with the tarpaulin base material through high-temperature pressing or coating process, in the film lamination process, the clamping force of the double-cylinder roller shafts 3 is adjusted in real time through the lifting cylinders 4, an external sensor can be provided, if the sensor detects that the tarpaulin is locally loose or too tight, the motor 9 changes the roller speed through the belt pulley set 10, synchronously adjusting the conveying tension, ensuring that the film layer is free of bubbles or wrinkles, in the tarpaulin conveying process, the double-acting cylinders 12 on both sides of the base 1 drive the mounting seat 13 to move laterally according to the width of the tarpaulin, driving the limiting roller 14 to be close to the edge of the tarpaulin, the limiting roller 14 freely rotates with the tarpaulin, guiding the tarpaulin to keep the center position through friction force, preventing the film layer from being skewed or the edge from being raised due to deviation, if the tarpaulin slightly deforms due to material elasticity, the limiting roller 14 dynamically corrects the position through the fine adjustment function of the double-acting cylinders 12, ensuring that the film lamination area is always on the processing center line, the tarpaulin after film lamination enters the cooling area, the air heat pump 15 is started, compressing and heating the normal temperature air and releasing it through the U-shaped air conveying pipe 17, the U-shaped structure of the air conveying pipe 17 makes the air outlet opposite to the upper and lower surfaces of the tarpaulin, the cold air is sprayed from the inside to the axis at a uniform flow rate, rapidly reducing the temperature of the film layer, locking the molecular structure and reducing thermal stress deformation, the cooled tarpaulin is pulled out through the rear double-cylinder roller shafts 3, the roller speed is synchronized with the front motor 9, keeping the overall conveying speed consistent.

[0027] The above embodiments are provided for those skilled in the art to implement or use the utility model, those skilled in the art can make various modifications or changes to the above embodiments without departing from the utility model idea of the utility model, therefore, the protection scope of the utility model is not limited by the above embodiments, but should be the maximum scope meeting the innovative features mentioned in the claims.

Claims

1. A tent cloth processing film laminating device comprising a base (1), characterized in that: The tarpaulin coating machine also comprises a tarpaulin coating unit (2), double-cylinder roller shafts (3), lifting air cylinders (4), connecting plates (5), supporting frames (6), springs (7), mounting frames (8), motors (9), belt pulley sets (10), limiting mechanisms and cooling mechanisms. The tarpaulin coating unit (2) is mounted on the upper part of the base (1). The lower part of the tarpaulin coating unit (2) is provided with conveying openings for the tarpaulin to enter and exit. There are two groups of double-cylinder roller shafts (3). One group of double-cylinder roller shafts (3) is mounted on the upper part of the base (1) near the lower part of the tarpaulin coating unit (2) on both sides. Lifting air cylinders (4) are mounted on the upper part of the tarpaulin coating unit (2) on both sides. The driving ends of the two lifting air cylinders (4) are provided with connecting plates (5). The two ends of the connecting plates (5) extend towards the outside of the tarpaulin coating unit (2). The lower part of the extension of the two ends of the connecting plates (5) is provided with supporting frames (6) which slide. The supporting frames (6) and the corresponding connecting plates (5) are provided with springs (7). Another group of double-cylinder roller shafts (3) is mounted between the two supporting frames (6) on the same side of the connecting plates (5). One group of double-cylinder roller shafts (3) is located on the upper part of the base (1). The other group of double-cylinder roller shafts (3) is located below the double-cylinder roller shafts (3) opposite the extension of the other group of connecting plates (5). The side of one supporting frame (6) is provided with a mounting frame (8). The side of the mounting frame (8) is provided with a motor (9). The output shaft of the motor (9) is connected with one roller shaft of the other group of double-cylinder roller shafts (3). The belt pulley sets (10) are rotatably sleeved between the two ends of the double-cylinder roller shafts (3) located on both sides of the connecting plates (5). The preheating module (11) is mounted on the upper part of the base (1) near the conveying opening below the tarpaulin coating unit (2). The base (1) is provided with limiting mechanisms on both sides of the upper part for limiting the contact of the edges of the tarpaulin. The cooling mechanism is provided at the rear of the upper part of the base (1) for cooling the tarpaulin.

2. The tent cloth processing film laminating device according to claim 1, characterized in that: When the connecting plates (5) are driven by the lifting air cylinders (4) to descend, the double-cylinder roller shafts (3) above them move synchronously and come into contact with the other double-cylinder roller shafts (3) below them.

3. The tent cloth processing film laminating apparatus as claimed in claim 2, wherein: The preheating module (11) is provided with preheating modules on both sides. The two preheating modules are separated by the height of the conveying opening. The preheating module (11) is adjacent to the double-cylinder roller shafts (3) below the tarpaulin coating unit (2).

4. The tent cloth processing film laminating apparatus as claimed in claim 3, wherein: The limiting mechanism comprises bidirectional air cylinders (12), mounting seats (13) and limiting rollers (14). The bidirectional air cylinders (12) are mounted on both sides of the upper part of the base (1). The mounting seats (13) are provided on the driving ends of the bidirectional air cylinders (12). The limiting rollers (14) are symmetrically and rotatably provided on the upper part of the mounting seats (13) and come into contact with the edges of the tarpaulin.

5. The tent cloth processing film laminating apparatus as claimed in claim 4, wherein: The cooling mechanism comprises air heat pumps (15), fixed frames (16) and air pipes (17). The air heat pumps (15) are mounted on one side of the rear of the upper part of the base (1). The fixed frames (16) are provided on the upper part of the base (1) to the rear. The air pipes (17) are mounted on the fixed frames (16). The air pipes (17) are connected with the air heat pumps (15).

6. The tent cloth processing film laminating apparatus as claimed in claim 5, wherein: The air pipes (17) are designed in a U-shaped curve. The space of the U-shaped structure corresponds to the height of the conveying opening below the tarpaulin coating unit (2). The air outlets of the air pipes (17) are uniformly arranged along the inner side of the air pipes (17) and face each other.

Citation Information

Patent Citations

  • Film covering device for tent cloth processing

    CN222061212U