Automotive trim PUR composite equipment

Abstract

The utility model discloses PUR (polyurethane) compound equipment for automotive interiors. The PUR compound equipment comprises an upper base material conveying mechanism, a lower base material conveying mechanism and a winding mechanism, the upper base material conveying mechanism comprises an upper base material cloth unwinding component, an upper base material conveying belt, a first opposite side adjusting component, an upper conveying belt, a second opposite side adjusting component, an automatic attaching gap adjusting component, a cutting component and a winding tension adjusting component. The lower base material conveying mechanism comprises a lower base material lifting part, a cloth beating and unwinding part, a lower base material conveying belt, a third opposite side adjusting part, a lower base material traction part, a fourth opposite side adjusting part and a gluing part; a cloth receiving part is arranged on the lower side of the cloth beating and unwinding part; the winding mechanism comprises a winding shaft, a movable bracket and a winding shaft driving part; the gluing component comprises a gluing clamping shaft set, a driving unit and a scraper assembly. The device is reasonable in structural design and easy and convenient to operate, greatly improves the production efficiency and the product quality of the automobile interior fabric, and meets the requirement of the automobile industry for improving the quality of the automobile interior fabric.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automotive interior, especially to a kind of automotive interior PUR composite equipment. BACKGROUND

[0002] Automotive interior mainly refers to the automotive product used to the interior modification of automobile, involves all aspects of the interior of automobile, such as automobile steering wheel cover, automobile cushion, automobile foot pad, automobile perfume, automobile pendant, interior ornament, storage box and the like are all automotive interior products.In order to achieve waterproof effect, the material for manufacturing steering wheel cover and seat of automobile is also made of environment-friendly waterproof fabric at present.Fabric is the material for manufacturing clothing.As one of the three elements of clothing, fabric can not only interpret the style and characteristics of clothing, but also directly affect the color and modeling performance of clothing.Waterproof fabric is a new type of textile fabric, which is composed of high molecular waterproof and breathable material (PTFE film) and cloth composite fabric.In the production and processing process of automotive interior environment-friendly waterproof fabric, the produced strip fabric is generally wound up.With the development of domestic automobile industry, automobile has entered ordinary families, and the demand of domestic automobile industry is also increasing, and the increase of demand also brings the improvement of quality, including the improvement of the requirement of automotive interior fabric.

[0003] However, the products produced by traditional automotive interior fabric composite process have some defects:

[0004] 1, water glue composite, finished product is not water resistant, delamination after water, damp will mildew.

[0005] 2, flame composite, the process of burning sponge during production will produce VOC emission, finished product will have toxic residues, and pure color product will yellow.

[0006] 3, hot melt adhesive film composite, the process cost is high, the finished product feels hard, and delamination is easy in secondary hot pressing.

[0007] Therefore, the utility model designs a kind of automotive interior PUR composite equipment to solve the above problems. UTILITY MODEL CONTENTS

[0008] The utility model aims at providing a kind of automotive interior PVC composite material punching equipment to solve the problems of mildew in wet environment when using water glue composite to produce existing automotive interior fabric, VOC emission when using flame composite to produce, toxic residues in finished product, yellowing of pure color product, high cost when using hot melt adhesive film composite to produce and delamination in secondary hot pressing.

[0009] To achieve the above object, the utility model provides the following technical scheme: a car interior PUR composite equipment, include: for conveying upper base material's upper base material conveying mechanism and for conveying lower base material and through smearing PUR hot melt adhesive and upper base material composite's lower base material conveying mechanism and for winding product's winding mechanism,

[0010] The upper base material conveying mechanism comprises an upper base material unwinding part, an upper base material conveying belt, a first pair of edge adjusting parts, an upper conveying belt, a second pair of edge adjusting parts, an automatic adjusting gap part, a cutting part and a winding tension adjusting part arranged in sequence along the upper base material conveying direction.

[0011] The lower base material conveying mechanism comprises a lower base material lifting part, a cloth unwinding part, a lower base material conveying belt, a third pair of edge adjusting parts, a lower base material pulling part, a fourth pair of edge adjusting parts and a glue applying part arranged in sequence along the lower base material conveying direction.

[0012] The winding mechanism comprises a movable support for placing a winding shaft and a winding shaft driving part for driving the winding shaft on the movable support to wind.

[0013] The glue applying part comprises a glue applying clamping shaft group, a driving unit for driving the glue applying clamping shaft group to rotate and a scraper assembly capable of approaching or moving away from the glue applying clamping shaft group and uniformly applying glue on the surface of the shaft.

[0014] Preferably, the upper base material unwinding part comprises a winding shaft group and a turnover material pulling assembly, the turnover material pulling assembly is provided with a turnover support, a telescopic cylinder for driving the turnover support to turn over, an output end of the telescopic cylinder is provided with an articulated arm hinged to the turnover support, the turnover support is provided with a roller group, and a free end of the upper base material placed on the winding shaft group is sequentially wound around the winding shaft group and the roller group.

[0015] Preferably, the automatic adjusting gap part comprises a fixed pressure roller and a movable pressure roller, both ends of the movable pressure roller are provided with mounting seats, both sides of the mounting seats are slidably provided with sliding blocks, the movable pressure roller is rotatably installed on the sliding blocks, a lower pressing driving cylinder is arranged on the top of the mounting seat and connected with the sliding blocks, the sliding blocks are driven by the lower pressing driving cylinder to move downward and press the fixed pressure roller; a top block for lifting the sliding blocks is slidably arranged on the mounting seat below the sliding blocks, the mounting seat is provided with a motor lead screw assembly for driving the top block to move, and the contact surface between the sliding block and the top block is inclined, the motor lead screw assembly drives the top block to push the sliding block, so as to adjust the distance between the fixed pressure roller and the movable pressure roller and realize the adjustment of the gap between the upper base material and the lower base material.

[0016] Preferably, the cutting component comprises a base and roller bases slidably arranged at both ends of the base, the roller bases detachably mounting upper and lower cutting rollers, the roller bases being provided with a first motor and a gear mechanism for driving the upper and lower cutting rollers to rotate and cut the PUR composite adhesive; the base is provided with a two-way screw rod connected with the roller bases, both ends of the two-way screw rod being provided with hand wheels, and rotating the two-way screw rod enables the roller bases at both ends to move towards each other.

[0017] Preferably, the winding tension adjusting component comprises a lower pressing roller, both ends of the lower pressing roller being provided with adjusting frames, both adjusting frames being slidably arranged with moving blocks, the moving blocks being provided with bearings connected with the lower pressing roller, the adjusting frames being provided with adjusting screw rods threadedly connected with the moving blocks, and the adjusting screw rods being provided at top portions thereof with adjusting hand wheels.

[0018] Preferably, the lower base lifting component comprises support plates symmetrically arranged at the front side of the lower base conveying belt, side walls of the support plates being provided with vertical sliding rails, the vertical sliding rails being slidably arranged with sliding seats, the sliding seats being provided with hook plates for placing material feeding shafts, and top portions of the support plates being provided with first lifting cylinders with output ends connected with the sliding seats.

[0019] Preferably, the first, second, third and fourth edge adjusting components comprise two guide rollers, both ends of the two guide rollers being provided with adjusting sliding seats, the adjusting sliding seats being provided with fixing seats, the fixing seats being provided with guide rods for sliding of the adjusting sliding seats, and the fixing seats on both sides being obliquely arranged.

[0020] Preferably, the glue coating clamping shaft group comprises a machine base, the machine base being rotatably provided with a glue coating upper roller and a glue coating lower roller, both ends of the machine base being pivotally connected with lifting plates for pressing the glue coating lower roller and the glue coating upper roller, both ends of the machine base being further provided with second lifting cylinders with output ends connected with the lifting plates, and the machine base being further provided with a second motor and a gear mechanism for driving the glue coating upper roller to rotate.

[0021] Preferably, the scraper assembly comprises horizontal guide rails respectively arranged at both sides of the machine base and guide sliding seats slidably arranged on the horizontal guide rails, the two guide sliding seats being provided with manual fine adjustment sliding platforms, the two manual fine adjustment sliding platforms being connected with scrapers, and the machine base being provided with a pushing cylinder for pushing the guide sliding seats to move along the horizontal guide rails so as to enable the scrapers to approach the glue coating upper roller.

[0022] Preferably, the upper base conveying mechanism further comprises a bottom material hanging component, the bottom material hanging component being arranged at the lower side of the upper conveying belt and comprising a material table and lock shaft tables arranged at both ends of the material table, the lock shaft tables being locked with bottom material rollers, and the lock shaft tables being provided with third motors and gear mechanisms for driving the bottom material rollers to rotate; the bottom material hanging component further comprises lifting cylinders symmetrically arranged on the upper conveying belt, output ends of the two lifting cylinders being connected with a cross beam, the cross beam being provided with linear sliding rails at the bottom portion along the length direction of the cross beam, the linear sliding rails being slidably arranged with sliding rods, and both ends of the sliding rods being provided with gas claws for grabbing the bottom material rollers.

[0023] The utility model discloses an advantageous effect is: through adopting the PUR hot melt adhesive to carry out the composite, not only solves the problem of traditional water glue composite not water -resistant, easy delamination, easy mildew, also avoids the VOC emission and finished product toxic residue of flame composite generation, and compared with hot melt adhesive film composite, the PUR composite cost is lower, and the finished product hand feeling is soft, and it is not easy to delaminate, further, the design of the equipment also fully considers the automation and accuracy of production, and the automatic regulation and fit clearance part can automatically adjust the spacing between the pressure roller according to the thickness of upper base material and lower base material, ensures the compactness and uniformity of fitting, ensures the good hand feeling of the fabric finished product of production, the cutting part adopts the cooperation cutting of the roller base and upper cutter roller, lower cutter roller, and the cutting effect is good, and the winding tension adjusting part can adjust the position of lower pressure roller according to the need, thereby adjusting the tension when winding, guarantees the product quality of winding. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the front view of the utility model;

[0025] Figure 2 It is the structure schematic drawing of one view angle of the utility model;

[0026] Figure 3 It is the structure schematic drawing of one view angle of the upper base material conveying mechanism in the utility model;

[0027] Figure 4 It is the structure schematic drawing of another view angle of the upper base material conveying mechanism in the utility model;

[0028] Figure 5 It is the structure schematic drawing of the first pair of edge adjusting part in the utility model;

[0029] Figure 6 It is the structure schematic drawing of the automatic regulation and fit clearance part in the utility model;

[0030] Figure 7 It is the structure schematic drawing of the lower base material conveying mechanism in the utility model;

[0031] Figure 8 It is the structure schematic drawing of the glue coating part in the utility model;

[0032] Figure 9 It is the structure schematic drawing of the winding tension adjusting part in the utility model;

[0033] Figure 10 It is the structure schematic drawing of the cutting part in the utility model;

[0034] Figure 11 It is the structure schematic drawing of the winding mechanism in the utility model. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0036] Please refer to Figure 1 , Figure 2 and Figure 11 , the embodiment provides a kind of car interior PUR composite equipment, it includes for conveying upper substrate upper substrate conveying mechanism 100 and for conveying lower substrate and by coating PUR hot melt adhesive and upper substrate composite lower substrate conveying mechanism 200 and for winding product winding mechanism 300, also include for controlling upper substrate conveying mechanism 100, lower substrate conveying mechanism 200 and winding mechanism 300 cooperation operation PLC control device.

[0037] Specifically, the upper base material conveying mechanism 100 comprises a first mounting bracket 10, and an upper base material unwinding component 11, an upper base material conveying belt 12, a first pair of edge adjusting components 13, an upper conveying belt 14, a second pair of edge adjusting components 15, an automatic adjusting gap fitting component 16, a cutting component 17, and a winding tension adjusting component 18 arranged in sequence on the first mounting bracket 10 along the upper base material conveying direction; the lower base material conveying mechanism 200 comprises a second mounting bracket 20, and a lower base material pulling component 21, a cloth unwinding component 22, a lower base material conveying belt 23, a third pair of edge adjusting components 24, a lower base material pulling component 25, a fourth pair of edge adjusting components 26, and a gluing component 27 arranged in sequence on the second mounting bracket 20 along the lower base material conveying direction, and the cloth unwinding component 22 is provided with a cloth connecting component 28 below for pulling the lower base material on the lower base material pulling component 21 closer; the winding mechanism 300 comprises a movable bracket 30 for placing a winding shaft 31, and a winding shaft driving component 32 for driving the winding of the winding shaft 31 on the movable bracket 30; in operation, the upper base material and the lower base material are placed on the upper base material unwinding component 11 and the lower base material pulling component 21 respectively, the free end of the upper base material is wound through the upper base material conveying belt 12, the first pair of edge adjusting components 13, the upper conveying belt 14, the second pair of edge adjusting components 15, and the automatic adjusting gap fitting component 16 in sequence, and the free end of the lower base material is wound through the cloth connecting component 28, the cloth unwinding component 22, the lower base material conveying belt 23, the third pair of edge adjusting components 24, the lower base material pulling component 25, the fourth pair of edge adjusting components 26, the gluing component 27, and the automatic adjusting gap fitting component 16 in sequence, the upper base material and the lower base material are mutually fitted at the automatic adjusting gap fitting component 16, the upper base material and the lower base material are adhered together by the PUR hot melt glue, the composite fabric after compounding is wound through the winding tension adjusting component 18, and the winding shaft 31 is wound by the winding shaft driving component 32, and the winding tightness is adjusted by the winding tension adjusting component 18.

[0038] In the embodiment, the upper base material unwinding component 11 is mainly used for placing the upper base material and conveying the upper base material to the upper base material conveying belt 12, please refer to Figure 3 , the upper base material unwinding component 11 comprises a winding shaft group 110 rotatably arranged on the first mounting bracket 10 and a turnover pulling assembly, wherein the turnover pulling assembly is provided with a turnover bracket 111 hingedly arranged on the first mounting bracket 10 and a telescopic cylinder 112 for driving the turnover of the turnover bracket 111, the output end of the telescopic cylinder 112 is provided with an oscillating arm 113 hingedly connected with the turnover bracket 111, the turnover bracket 111 is provided with a roller group 114, the free end of the upper base material placed on the winding shaft group 110 is wound through the winding shaft group 110 and the roller group 114 in sequence, and when the telescopic cylinder 112 drives the turnover bracket 111 to reciprocatingly turn over, the roller group 114 pulls the upper base material to fall onto the upper base material conveying belt 12.

[0039] Need to explain, in this embodiment, the structure of cloth unwinding component 22 is the same, also includes the rotation is located in the second installation support 20 turnover pull material assembly.

[0040] In this embodiment, the lower substrate traction component is composed of a plurality of traction rollers, respectively arranged at both ends of the second mounting bracket 20.

[0041] Please refer to Figure 5 , in this embodiment, the structure of the first pair of edge adjustment components 13 and the second pair of edge adjustment components 15, the third pair of edge adjustment components 24 and the fourth pair of edge adjustment components 26 located in the upper substrate conveying mechanism 100 and the lower substrate conveying mechanism 200 is the same, which is used to adjust whether the edges of the upper substrate and the lower substrate are flush during conveying, so that the edges are aligned, avoiding the problem of deviation. Its structure includes a fixed seat 130 symmetrically arranged on the first mounting bracket 10 or the second mounting bracket 20, and the two fixed seats 130 are oppositely inclined. A guide rod is arranged on the fixed seat 130, and an adjusting slide 131 is slidably arranged on the guide rod. Two guide rollers 132 are connected to the adjusting slides 131 on both sides. The free end of the substrate is wound around the two guide rollers 132. The fixed seat 130 is oppositely inclined, so that when the substrate is pulled, it is ensured that the substrate always goes to one side, thereby ensuring that the two sides of the substrate are aligned, avoiding the problem that the upper substrate and the lower substrate are not aligned during lamination.

[0042] Please refer to Figure 6 , the automatic adjustment of the lamination gap component 16 is mainly used to adjust the gap between the upper substrate and the lower substrate during lamination, to adjust the different hand feeling and softness of the composite fabric. The automatic adjustment of the lamination gap component 16 is symmetrically arranged along the conveying direction of the composite fabric. The automatic adjustment of the lamination gap component 16 includes a fixed pressure roller 160 and a movable pressure roller 161. The two ends of the movable pressure roller 161 are provided with mounting seats 162. The mounting seats 162 on both sides are slidably provided with sliding blocks 163. The movable pressure roller 161 is rotatably installed on the sliding block 163. The top of the mounting seat 162 is provided with a lower pressing driving cylinder 164 connected with the sliding block 163. The lower pressing driving cylinder 164 drives the sliding block 163 to drive the movable pressure roller 161 to move downward and press with the fixed pressure roller 160. The mounting seat 162 below the sliding block 163 is slidably provided with a top block 165 for lifting the sliding block 163. The mounting seat 162 is provided with a motor lead screw assembly 166 for driving the top block 165 to move. The contact surface between the sliding block 163 and the top block 165 is inclined. The motor lead screw assembly 166 drives the top block 165 to push the sliding block 163, so as to adjust the distance between the fixed pressure roller 160 and the movable pressure roller 161, realize the adjustment of the lamination gap between the upper substrate and the lower substrate, and realize the automatic adjustment of the distance between the movable pressure roller 161 and the fixed pressure roller 160 through the above setting. According to different requirements, different hand feeling and flexible fabrics are compounded, and the distance between the movable pressure roller 161 and the fixed pressure roller 160 is adjusted according to different thickness of the substrate. The equipment has good flexibility.

[0043] Please refer to Figure 7 In the present embodiment, the lower substrate lifting member 21 is used to adjust the height of the lower substrate, the lower substrate lifting member 21 comprises a bracket plate 210 symmetrically arranged on the front side of the lower second mounting bracket 20, the side wall of the bracket plate 210 is provided with a vertical sliding rail, the vertical sliding rail is slidably provided with a sliding seat 211, the sliding seat 211 is provided with a hook plate 212 on which a material placing shaft can be placed, the top of the bracket plate 210 is provided with a first lifting cylinder 213 having an output end connected with the sliding seat 211, the material placing shaft on which the lower substrate is placed is placed on the hook plate 212, the sliding seat 211 is driven to move up and down by the first lifting cylinder 213, the height of the lower substrate is adjusted, so that the cloth receiving member 28 pulls the lower substrate, and the lower substrate is pulled to the lower side of the cloth rolling member 22 by the cloth receiving member 28, so that the cloth rolling member 22 pulls the lower substrate.

[0044] In the present embodiment, the cloth receiving member 28 comprises horizontal sliding rails symmetrically arranged on the front side of the lower second mounting bracket 20, the horizontal sliding rails on both sides are connected with a pull rod 280, and a stretching cylinder is arranged on the front side of the second mounting bracket 20 and drives the pull rod 280 to move back and forth along the horizontal sliding rails.

[0045] Please refer to Figure 8 In the present embodiment, the glue applying and clamping shaft group is mainly used to apply PUR hot melt adhesive to the upper surface of the lower substrate, the glue applying and clamping shaft group comprises a machine base 270, the machine base 270 is rotatably provided with a glue applying upper roller 271 and a glue applying lower roller 272, the machine base 270 is pivotally connected with a lifting plate 273 for pressing the glue applying lower roller 272 and the glue applying upper roller 271 at two ends of the machine base 270, and the machine base 270 is further provided with a second lifting cylinder 274 having an output end connected with the lifting plate 273 at two ends of the machine base 270, a driving unit is arranged on the machine base 270 and drives the glue applying upper roller 271 to rotate, the driving unit is a second motor and a gear mechanism 274, when the lower substrate passes between the glue applying upper roller 271 and the glue applying lower roller 272, the second lifting cylinder 274 drives the lifting plate 273 to lift the glue applying lower roller 272, so that the glue applying lower roller 272 lifts the lower substrate, the upper surface of the lower substrate is attached to the glue applying upper roller 271, the PUR hot melt adhesive is applied to the glue applying lower roller 272, and the PUR hot melt adhesive is uniformly applied to the surface of the glue applying lower roller 272 by a scraper assembly, by the above arrangement, automatic glue applying can be realized, and the uniformity of the glue applying can be ensured.

[0046] In an optional embodiment, the scraper assembly includes horizontal guide rails respectively arranged on both sides of the base 270 and guide slides 275 slidingly arranged on the horizontal guide rails, the guide slides 275 are provided with manual fine adjustment slides, the manual fine adjustment slides are connected with scrapers 276, the base 270 is provided with a pushing cylinder 277 for pushing the guide slides 275 to move along the horizontal guide rails so that the scrapers 276 approach the glue applying upper roller 271, the scrapers 276 are arranged in a forward and backward moving manner to ensure that the scrapers 276 can be accurately adjusted to have a distance from the glue applying upper roller 271, so as to ensure uniform coating of the PUR hot melt adhesive; the design of the scraper assembly makes the operation more convenient, the staff can easily adjust the position of the scrapers 276 through the manual fine adjustment slides, and the production efficiency and the glue coating quality are improved. At the same time, the arrangement of the pushing cylinder 277 enables the scrapers 276 to quickly approach or move away from the glue applying upper roller 271 when needed, so as to adapt to the lower substrates of different thicknesses, and the flexibility and applicability of the equipment are enhanced.

[0047] The lower substrate after the PUR hot melt adhesive coating is wound between the fixed pressure roller 160 and the movable pressure roller 161, and the upper substrate is located above the lower substrate, and the upper substrate and the lower substrate are compounded by the rolling of the fixed pressure roller 160 and the movable pressure roller 161, and then conveyed to the winding mechanism 300. In order to ensure the tightness of the winding, a winding tension adjusting component 18 is arranged, please refer to Figure 9 The winding tension adjusting component 18 includes a lower pressure roller 180, two ends of the lower pressure roller 180 are provided with adjusting frames 181, moving blocks 182 are slidingly arranged in the adjusting frames 181, the moving blocks 182 are provided with bearings connected with the lower pressure roller 180, the adjusting frames 181 are provided with adjusting lead screws 183 threadedly connected with the moving blocks 182, and the adjusting lead screws 183 are provided with adjusting hand wheels at the top. By adjusting the up-down position of the lower pressure roller 180, the tightness of the compound fabric during conveying is adjusted, so that the tension during winding is ensured, and the product quality of the winding is ensured.

[0048] After the quantitative winding is completed, the compound fabric is cut by the cutting component 17, please refer to Figure 10The cutting part 17 comprises a base 170 and roller bases 171 arranged at both ends of the base 170, the roller bases 171 are detachably provided with upper cutter rollers (not shown in the figure) and lower cutter rollers (not shown in the figure), the roller bases 171 are provided with clamps 174 for clamping the upper cutter rollers (not shown in the figure) and the lower cutter rollers (not shown in the figure), the roller bases 171 are provided with a first motor and a gear mechanism 172 for driving the upper cutter rollers (not shown in the figure) and the lower cutter rollers (not shown in the figure) to rotate and cut the composite fabric; the base 170 is provided with a bidirectional screw rod 173 connected with the roller bases 171, the bidirectional screw rod 173 is provided with hand wheels at both ends, rotating the bidirectional screw rod 173 to make the roller bases 171 at both ends move towards each other, by arranging the detachable upper cutter rollers (not shown in the figure) and the lower cutter rollers (not shown in the figure) and the position-adjustable roller bases 171, the cutting of fabrics of different sizes can be satisfied.

[0049] In an optional embodiment, in some composite fabrics, other fabrics are added according to needs to form a composite, for this, please refer to Figure 4 The upper base conveying mechanism 100 further comprises a bottom material hanging part 19 arranged at the lower side of the upper conveying belt 14, which comprises a material table 190 and lock shaft tables 191 arranged at both ends of the material table 190, the lock shaft tables 191 are locked with bottom material rollers 192, and the lock shaft tables 191 are provided with a third motor and a gear mechanism for driving the bottom material rollers 192 to rotate, the bottom material is placed on the bottom material rollers 192, and the third motor and the gear mechanism drive the bottom material rollers 192 to rotate to discharge the material;

[0050] In order to facilitate the installation and disassembly of the bottom material rollers 192, the bottom material hanging part 19 further comprises lifting cylinders 193 symmetrically arranged on the upper conveying belt 14, the output ends of the two lifting cylinders 193 are connected with a cross beam 194, the cross beam 194 is provided with linear sliding rails at the bottom along the length direction of the cross beam 194, the linear sliding rails are provided with slide rods 195, the slide rods 195 are provided with air claws 196 for grabbing the bottom material rollers 192 at both ends, the cross beam 194 is driven to descend by the lifting cylinders 193, so that the air claws 196 grab the bottom material rollers 192, and then the bottom material rollers 192 are taken down by cooperating the lifting cylinders 193 and the slide rods 195, thereby reducing the labor intensity.

[0051] In an alternative embodiment, the upper substrate conveying belt 12, the upper conveying belt 14 and the lower substrate conveying belt 23 comprise a fixed shaft 120, a movable shaft 121, a belt 122, and a fourth motor and gear mechanism, the movable shaft 121 is provided with a fixed frame 123 at both ends, a movable adjusting block 124 is slidably arranged in the fixed frame 123, the movable shaft 121 is mounted on the movable adjusting block 124 through bearings on both sides, and a threaded rod 125 is arranged on the fixed frame 123 and is threadedly connected with the movable adjusting block 124, a hand wheel is arranged on the threaded rod 125 away from the movable adjusting block 124, the tension of the belt 122 is adjusted by adjusting the position of the movable adjusting block 124, so as to avoid the slipping phenomenon of the belt 122 during conveying.

[0052] In summary, by using PUR hot melt adhesive for compounding, the problems of traditional water-based glue compounding, such as poor water resistance, delamination when encountering water, and mold in damp environment, are effectively avoided. At the same time, the problems of VOC emission, toxic residue and yellowing of pure color products caused by flame compounding are also solved. In addition, the defects of high compounding cost of hot melt adhesive film, hard hand feeling of finished products and easy delamination of secondary hot pressing are overcome. The automobile interior PUR compounding equipment has reasonable structure design and simple operation, greatly improves the production efficiency and product quality of automobile interior fabric, meets the demand of automobile industry for quality improvement of automobile interior fabric, and has wide market application prospect. In addition, each component in the equipment is designed ingeniously, such as the automatic adjustment of the fitting gap component 16 can flexibly adjust the fitting gap of the upper substrate and the lower substrate according to the actual production needs, ensuring the accuracy and stability of compounding; the design of the cutting component 17 and the winding tension adjusting component 18 further improves the automation degree and production efficiency of the equipment, reduces the production cost, and improves the market competitiveness of enterprises.

[0053] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.

Claims

1. An automotive interior PUR compounding apparatus, characterized by, The application relates to a roll-to-roll production line for producing a composite material, comprising: an upper substrate conveying mechanism for conveying the upper substrate, a lower substrate conveying mechanism for conveying the lower substrate and compounding the upper substrate by applying PUR hot melt adhesive, and a winding mechanism for winding the product; the upper substrate conveying mechanism comprises, sequentially arranged along the upper substrate conveying direction, an upper substrate unwinding component, an upper substrate conveying belt, a first pair of edge adjusting components, an upper conveying belt, a second pair of edge adjusting components, an automatic adjusting gap component, a cutting component and a winding tension adjusting component; the lower substrate conveying mechanism comprises, sequentially arranged along the lower substrate conveying direction, a lower substrate lifting component, a beating unwinding component, a lower substrate conveying belt, a third pair of edge adjusting components, a lower substrate traction component, a fourth pair of edge adjusting components and a glue applying component, and the beating unwinding component is provided with a cloth connecting component for pulling the lower substrate on the lower substrate lifting component closer; the winding mechanism comprises a movable support for placing a winding shaft and a winding shaft driving component for driving the winding shaft on the movable support to wind; the glue applying component comprises a glue applying clamping shaft group, a driving unit for driving the glue applying clamping shaft group to rotate and a scraper assembly which can approach or move away from the glue applying clamping shaft group and uniformly applies glue on the surface of the shaft.

2. The automotive interior PUR compounding apparatus of claim 1, wherein, the upper substrate unwinding component comprises a winding shaft group and a turnover pulling assembly, the turnover pulling assembly is provided with a turnover support and a telescopic cylinder for driving the turnover support to turn over, the output end of the telescopic cylinder is provided with a swing arm hinged to the turnover support, the turnover support is provided with a roller group, and the free end of the upper substrate placed on the winding shaft group is sequentially wound around the winding shaft group and the roller group; when the telescopic cylinder drives the turnover support to turn over back and forth, the roller group pulls the upper substrate to fall onto the upper substrate conveying belt.

3. The automotive interior PUR compounding apparatus of claim 1, wherein, the automatic adjusting gap component comprises a fixed pressure roller and a movable pressure roller, the two ends of the movable pressure roller are provided with mounting seats, the mounting seats are slidably provided with sliding blocks, the movable pressure roller is rotatably mounted on the sliding blocks, the top of the mounting seat is provided with a lower pressing driving cylinder with an output end connected to the sliding block, the lower pressing driving cylinder drives the sliding block to move downward to press the movable pressure roller and the fixed pressure roller; the mounting seat on the lower side of the sliding block is slidably provided with a top block for lifting the sliding block, the mounting seat is provided with a motor lead screw assembly for driving the top block to move, and the contact surface between the sliding block and the top block is an inclined surface; the motor lead screw assembly drives the top block to push the sliding block to adjust the distance between the fixed pressure roller and the movable pressure roller, so that the gap between the upper substrate and the lower substrate is adjusted.

4. The automotive interior PUR compounding apparatus of claim 1, wherein, the cutting component comprises a base and roller shaft bases slidably arranged at the two ends of the base, the roller shaft bases are detachably provided with upper cutter rollers and lower cutter rollers, the roller shaft bases are provided with a first motor and a gear mechanism for driving the upper cutter rollers and the lower cutter rollers to rotate and cut the composite fabric; the base is provided with a bidirectional screw rod connected to the roller shaft bases, the two ends of the bidirectional screw rod are provided with hand wheels, and rotating the bidirectional screw rod makes the roller shaft bases at the two ends move towards each other.

5. The automotive interior PUR compounding apparatus of claim 1, wherein, the winding tension adjusting component comprises a lower pressing roller, the two ends of the lower pressing roller are provided with adjusting frames, the adjusting frames are slidably provided with moving blocks, the moving blocks are provided with bearings connected to the lower pressing roller, the adjusting frames are provided with adjusting lead screws threadedly connected to the moving blocks, and the top of the adjusting lead screws is provided with an adjusting hand wheel.

6. The automotive interior PUR compounding apparatus of claim 1, wherein, The lower substrate pulling component comprises support plates symmetrically arranged on the front side of the lower substrate conveying belt, the side wall of the support plate is provided with a vertical sliding rail, the vertical sliding rail is slidably provided with a sliding seat, the sliding seat is provided with a hook plate for placing the feeding shaft, the top of the support plate is provided with a first lifting cylinder with an output end connected with the sliding seat.

7. The automotive interior PUR compounding apparatus of claim 1, wherein, The first, second, third and fourth edge adjusting components each comprise two guide rollers, the two guide rollers are each provided with an adjusting sliding seat at the two ends, the adjusting sliding seat is provided with a fixing seat, the fixing seat is provided with a guide rod for sliding the adjusting sliding seat, and the fixing seats on the two sides are obliquely arranged.

8. The automotive interior PUR compounding apparatus of claim 1, wherein, The glue coating clamping shaft group comprises a machine base, the machine base is rotatably provided with a glue coating upper roller and a glue coating lower roller, the machine base is pivotally provided with a lifting plate at the two ends for lifting the glue coating lower roller and the glue coating upper roller to be pressed, the machine base is further provided with a second lifting cylinder with an output end connected with the lifting plate at the two ends, and the machine base is further provided with a second motor and a gear mechanism for driving the glue coating upper roller to rotate.

9. The automotive interior PUR compounding apparatus of claim 8, wherein, The scraper assembly comprises horizontal guide rails arranged on the two sides of the machine base and guide sliding seats slidably arranged on the two horizontal guide rails, the two guide sliding seats are provided with manual fine adjustment sliding tables, the two manual fine adjustment sliding tables are connected with scrapers, and the machine base is provided with a pushing cylinder for pushing the guide sliding seats to move along the horizontal guide rails so that the scrapers are close to the glue coating upper roller.

10. The automotive interior PUR compounding apparatus of claim 1, wherein, The upper substrate conveying mechanism further comprises a bottom material hanging component arranged on the lower side of the upper conveying belt, the bottom material hanging component comprises a material table and lock shaft tables arranged at the two ends of the material table, the lock shaft tables are locked with bottom material rollers, and the lock shaft tables are provided with a third motor and a gear mechanism for driving the bottom material rollers to rotate; the bottom material hanging component further comprises lifting cylinders symmetrically arranged on the upper conveying belt, the output ends of the two lifting cylinders are connected with a cross beam, the cross beam is provided with a linear sliding rail at the bottom along the length direction of the cross beam, the linear sliding rail is slidably provided with a sliding rod, and the two ends of the sliding rod are provided with air claws for grabbing the bottom material rollers.

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