TWI294793B - - Google Patents

Description

1294793

V. INSTRUCTION DESCRIPTION (1) [Technical Field] The present invention relates to a coating apparatus, and more particularly, to a coating effect which can achieve a stable and uniform coating effect of a polyurethane resin, and is effective A coating device for controlling the thickness of the coating and forming a grain effect of the polyurethane resin layer. > [Prior Art] A liquid mixture of a polyurethane resin (referred to as PU plastic) which is generally formed by a suitable mixing reaction, which can be applied to a base fabric by an impregnation or coating device to form a resin film, or coated On the release paper, ^ 2, adhere a film, and then tear off the release paper to form a film of resin film 'and can be made into a variety of different uses of the product. SUMMARY OF THE INVENTION However, conventional coating apparatuses mostly use only a screw in a press-fitting device to directly apply a liquid mixture of a polyurethane resin onto a base fabric or a release paper without using other extrusion equipment. The force of the extrusion pressure is still insufficient, which makes the coating amount difficult to stabilize, and the thickness of the resin film product is different. Secondly, the coating amount of the coating device is also difficult to control, and cannot be Different resin film thickness requirements are rapidly adjusted and changed; furthermore, the coating equipment can not achieve the coating effect of the dot or pattern resin layer, and the structure, use and effect of the product which can be produced are limited, and it is difficult to break through the invention. Providing a polyurethane resin coating device, which is included

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V. INSTRUCTIONS (2) A shot mixing unit can be used to premix the material to form a polyamine _ eucalyptus liquid mixture, and then priming into a pressure feed unit, and by means of internal snails疋 作 ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' Upper for coating. The coating device of the invention can achieve a stable and uniform coating effect on the liquid material of the polyurethane resin, and can control the thickness of the coating by adjusting the gap between the coating wheel and the gear pump outlet, and further coating The three-dimensional pattern design on the cloth wheel can form a textured effect on the coated polyurethane resin layer. [Embodiment], and first, please refer to the first figure. The present invention provides a polyurethane device, a preferred embodiment of a cloth device, the coating device 1 comprising a metering output 10, a foaming unit 20, A shot mixing unit 3 〇, a pressure feed unit 4 〇, a gear pump 50 and a coating wheel β 〇; please refer to the second and third figures, wherein: " the metering wheel unit 1 〇 'The system consists of three barrels 1 1 , which can be used for different purposes: J is equipped with an isocyanate polymer containing NC〇 (referred to as PU resin, a hydroxyl compound containing 0 H, and colorants, and the other barrels) Each of the interiors is respectively provided with a stirrer 1 2 , which can be respectively equipped with a motor i 3 with a U 部 portion to provide a -quantity pump 14 , so that the internal liquid material can be output by the leafhopper; 乂 ^ 'package unit 2 0 , which is filled with foam to promote foaming

1294793 V. Inventive description (3) a foaming agent, which may be nitrogen, gas, water or a physical foaming agent; the shot mixing unit 30 has a shot mixing head 3 1 , and a central portion thereof is provided a longitudinal mixing tank 3 2 , an actuating screw 3 3 is disposed in the mixing tank 3 2 , and a third feeder 3 4 and a joint 3 5 are further disposed on the peripheral side of the jet mixing head 3 1 k , wherein The equalizers 34 are respectively connected to the three barrels 1 of the metering output unit 10, so that the liquid materials in the tanks 1 1 can be injected into the mixing tank 3 2 via the feeders 34, respectively. The joint 3 5 is connected to the foaming unit 20, and the foaming agent in the foaming unit 20 can be introduced into the mixing tank 3 2 via the joint 3 5 and premixed with the materials from the respective drums 1 1 . Instantly reacting to form the polyurethane material liquid material a, and then injecting it in a vertical flow manner; the pressure feeding unit 40 has a pressure feeding chamber 4 1 which can be appropriately connected with the shot mixing unit 30 to receive the The shot mixing unit 30 is filled with the polyurethane resin liquid mixture a, and the press chamber 4 1 is internally provided with two flats The screw 4 4 is driven by a reduction motor 4 3 to make the polyurethane mixture liquid a can be mixed and reacted by the screw 4 2 , and then the output is sent; the gear is pumped 50, the pressure and pressure The pressure feeding chamber 41 of the sending unit g 0 is appropriately connected and connected, and can be used to receive the polyurethane resin liquid mixture a which is pumped out from the pressure feeding unit 40, and can be controlled by the rotation speed of the internal I wheel 5 1 to obtain the polyurethane. The resin liquid mixture a is outputted at a steady flow rate via an outlet 52; the coating wheel 60 is located at the outlet 52 of the gear pump 50, and the tread 61 and the gear pump 50 of the coating wheel 60 Exit 52 shape

Page 7 1294973, invention description (4) f has - adjustable gap b, so that the coating wheel 6 〇 receives from the gear pump 5 0 outlet 5? From the adjustable room: the adjustable gap b for liquid mixing is two; == transfer 2', which can also be adjusted by the gear pumping 5 移. The internal system is equipped with an appropriate cooling channel. Yes, the coating ring cools the water so that the coating wheel 6 can be used to inject the gaseous material a to be appropriately cooled to form a semi-hardened shape; = two liquids 'again::::〇; wheel...more Suitable for further understanding of the structural features of the present invention, jj^. The achievement of the third phase 31, the use of the present invention η and: can be more profound and specific understanding of the present invention, such as; ^ "counter 3 reference, when the coating device 1 of the present invention is operated, The isocyanate polymer filled in the barrel 11 of the early material is: according to the foaming agent filled in the binary 20, and is fed into the feeder 3 of the 枓 合 合 合 兀 3 3 And the joint 3 i? 3 2 : as a pre-mixing and preliminary reaction, forming a polyamine vinegar resin liquid, and then pouring it into the pressure-feeding chamber I of the pressure feeding unit 4 Q, and then reacting the mixed chain, and then, The pressure input input gear pump 5 push,,, 4 polyamine vinegar resin liquid material a can be pushed out from the outlet 52 by the gear pumping 5 〇 large biting force, and j is taken and properly cooled Forming a semi-hardened polyamine pU plastic foam material) 'Next, you can choose the subsequent coating for ^

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V. INSTRUCTIONS (5) 2 'The preferred embodiment of the present invention is for coating a polyamine vinegar resin liquid material a mixed with a coloring material and a foaming agent, and (4) also selecting a color for use according to product characteristics or use requirements. For the material, the coated polyurethane resin c has no specific color, or is selected to be foamed without using a foaming agent to form a PU plastic material; in addition, please refer to the fifth figure, the coating device of the present invention. 1 The utility model has the following three application methods: (1) applying a semi-hardened polyurethane resin C to a base fabric 7; wherein the coating device 1 is fitted with a carrier device 8 0, the receiving member 80 has a first applying unit 8 i, and the rolled base fabric 7 ^ can be transported from the second conveying wheel 8 2 to a pressure receiving wheel 8 3 and the coating wheel 6 to make the semi-hardened The state of the polyurethane resin c can be applied to the base fabric 7 ,, the PU plastic layer or the pu plastic foam layer, and then retracted by a roll = single 兀 8 4, as shown in the sixth figure , a base fabric 7 of a p-rubber layer (or PU plastic foam layer) can be obtained; wherein the base fabric 70 can be Fabric, non-woven fabric, microfiber or Mo analog. (2) Applying the semi-hardened polyurethane resin c to a base fabric 7 and attaching a film 9 〇; mainly when the first embodiment of the application f-based coating is applied to the polyurethane resin In the post-c process, a first application unit 8 5 is used to deliver a film 90 that can be a waterproof moisture-permeable film or a skin to a roller bonding unit 86. The roller 8 6 1 and the lower roller 8 6 2' and the base fabric 7 and the bonded polyurethane resin c are also passed through the upper and lower rollers 86 1 and 862, so that the film 90 can be passed up and down

Page 9 1147793 V. INSTRUCTION DESCRIPTION (6) Rolling of the roller 8 6 1 , 8 6 2 is applied to the polyurethane resin c of the base fabric 70 and then retracted by the retracting unit 8 4 , such as In the seventh figure, a PU plastic layer (or PU plastic foam layer) and a 90-layer base fabric of the film are obtained. • (,) directly attaching a film to the semi-hardened polyurethane resin c. 其' directly introduces the semi-hardened polyurethane resin c into the above-mentioned rolling bonding unit by means of a platform 87 or a separator (not shown). 8 6 upper and lower rollers 8 6 1 : 8 Ό 2, after the film g 〇 is attached to the polyurethane resin c, and then retracted by the winding unit 84, as shown in the eighth figure, A ρϋ plastic layer (or PU plastic foam layer) having a film of 90 layers can be obtained. Finally, the advantages and achievable effects of the present invention are as follows: (4) η η The coating device 1 of the present invention is under pressure After the unit 40 is fed, the gear 7 is etched and smashed, in addition to increasing the squeezing force, and the pressure of the pressure can be controlled to control the liquid material of the polyamine vinegar resin, which can be transported to the coating wheel at an appropriate flow rate. 6 〇, and can achieve a stable coating effect. 2 · The present invention utilizes a gear pump 5 〇 outlet ΠΠ 1 to form a resizable gap b, which can make = hardened polyamine t resin. The thickness is controlled to control the coating amount or coating thickness of the coating wheel 60.丄 丄 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 ί ί ί ί ί ί ί ί ί ί ί ί ί ί 4. The present invention utilizes a coating wheel 6 to engrave a three-dimensional pattern 6 3

Page 10 1294793 V. INSTRUCTIONS (7) Attaching a heavy cloth to the base fabric 7 η μ gt π ^ Strip or dot-like pattern = ί; Polyamine vinegar resin C production > Ding, personality results That is, can the effect of #-like or dot-like lines be formed on the base fabric 7? U plastic layer (or pU plastic foaming magic: "5: Coating device 1 can be produced by a variety of different application examples of color or foaming agent selective TJ = = bonding process, to create a variety of types of sadness斌 胺 酯 树脂 μ μ μ 斌 杏 杏 杏 杏 舍 ☆ ☆ ☆ ☆ ▲ ▲ ▲ ▲ ▲ ☆ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ☆ ☆ , Maiyi 4 to: ... The present invention is already available, the above mentioned, only * eight has, so the application of the present invention describes the "monthly feasible example ^ ^ Μ ^ 幡々 + + 申 申 申 申 申 申The enclosure is equivalent to, and the structure is included in the scope of the patent of the present invention. Page 11 1294973 The following is a brief description of the drawings [Simplified description of the drawings] The first diagram is the configuration of the coating device of the present invention. The second figure is a partial side cross-sectional view of the injection mixing unit and the pressure feeding unit of the present invention. The third drawing is a schematic cross-sectional view of the injection mixing unit of the present invention. The fourth drawing is a point of the coating wheel of the present invention. Schematic diagram of the three-dimensional pattern. The fifth picture is the invention Coating the cloth bonding schematic state. P u partial sectional view of the plastic layer and the fabric of the present invention, the sixth line of FIG.

Figure 7 is a partial cross-sectional view showing the P U plastic layer, the film layer and the base fabric of the present invention. Figure 8 is a partial cross-sectional view showing the P U plastic layer and the film layer of the present invention. [Main component representative symbol description]

1 Coating device 1 0 XXX3 - early 兀 1 1 drum 1 2 agitator 1 3 motor 1 4 Quantitative pump 2 0 foaming unit 3 0 shot mixing XSU —* early 兀 3 1 shot mixing head 3 2 Mixing tank 3 3 Screw 3 4 Feeder 3 5 Joint 4 0 Pressing unit 4 1 Pressing chamber 4 2 Screw 4 3 Gear motor Page 12 1294973 Simple illustration 5 0 Gear pump 5 1 Gear 5 2 Out V 6 0 Coat wheel 6 1 Tread 6 2 Cooling channel 6 3 Stereo line 7 7 7 Base cloth 8 0 Carrier 8 1 First casting unit 8 2 Conveying wheel 8 3 Pressure wheel 8 4 Receiving unit 8 5 Second applying unit 8 6 Rolling and fitting X3U —* Early 8 6 1 Upper roller 8 6 2 Lower roller 8 7 Platform 9 0 Film a Polyurethane resin liquid mixture b Clearance C Polyurethane resin

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Claims (1)

1294793 Patent Application Range ~ 1 ~" 1. A polyamine s resin coating device comprising: a shot mixing unit for taking a predetermined material and generating a premixing effect to form a polyurethane resin by mixing reaction The liquid mixture is poured in a vertical flow manner; a pressure feeding unit has a pressure feeding chamber which can be appropriately connected with the injection mixing unit to receive the liquid mixture of the polyurethane resin poured from the injection mixing unit. Moreover, at least a screw that can be rotated and actuated is arranged inside the pressure feeding chamber, and the liquid mixture of the polyurethane resin can be appropriately mixed and then sent out, and the gear pumping is performed, and the pressure feeding chamber of the pressure feeding unit is appropriately set. It can be connected to receive the liquid mixture of polyurethane resin which is pumped out from the pressure feeding device, and the liquid mixture of the polyurethane resin can be used to make the flow of the polyurethane resin through an outlet. The wheel, located at the gear pump outlet, whose wheel surface can be used to receive a liquid mixture of polyurethane resin output from the gear pump outlet, and The gap formed by the tread and the gear pump outlet can be controlled to control the coating thickness. 2. The polyurethane resin coating device according to claim 1, wherein the shot mixing unit has a shot mixing head, and a longitudinal mixing tank is arranged in the center, and the mixing tank is provided with an actuating liquid. The screw is further provided with a plurality of feeders and a joint on the circumferential side of the shot mixing head, so that specific materials can be injected into the mixing tank. 3. The polyurethane resin coating apparatus according to claim 2, wherein the shot mixing unit is further connected with a metering output unit, which comprises three barrels, respectively, for filling the difference containing N c〇 Cyanate salt Page 14 1294973 VI. The patent Scope and a containment section are each provided with a feeder 4 which is filled with water or something (ft 4 ............. .............. The pressure is controlled by a mashing mixer, which can be used in the inner mixing tank. Please send the unit's pressure-reduction motor drive compound to the patent range. The first liquid is connected to the foaming agent in the first item, the first one is sent to the indoor transfer and the color material, and the motor in the barrel is driven by the motor. The material is coated with a foaming unit through each of the polyurethane resin described in the shot mixing unit, and the foaming agent is filled with nitrogen gas, gas, and the polyurethane resin coating is provided with two insects which are parallel to each other. In order to produce the mixed chain and the pressure transfer effect, the patented wheel of the pumping wheel, please apply the patented cloth wheel pump, and the patented cloth wheel, the patented cloth wheel, the polyurethane resin coating tool mentioned in the first item. Adjust the displacement function to control the size of the gap formed by it. The polyurethane resin coating device can adjust the displacement function, and can control the gap formed between the coating wheel ports. The polyurethane coating coated wheel surface described in the above item 1 has a three-dimensional pattern. The polyurethane according to the above item 1 The resin coating part is filled with circulating cooling water for cooling coating Page 15