A multi-stage temperature control coating device for hot melt adhesive tape

Abstract

This utility model discloses a multi-segment temperature-controlled coating device for hot melt adhesive tape, relating to the field of coating equipment technology. During tape processing, wrinkles easily form on the surface, which not only disrupts the uniform coating of the hot melt adhesive, leading to thickness deviations, but also reduces the adhesion between the tape and the substrate, severely affecting the coating effect and product quality. This utility model includes a base and a flattening mechanism, with the flattening mechanism located on one side of the base. By incorporating a base, a flattening mechanism, a drive motor, and a flattening roller, the device utilizes a primary motor to drive a lead screw, causing two movable blocks outside the lead screw to move in opposite directions. This allows for the flattening of tapes of different widths. Furthermore, rotating the threaded rod moves a movable frame up and down, adjusting the height of the flattening roller. This facilitates the flattening of tapes of varying thicknesses, improving the device's practicality.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, specifically to a multi-segment temperature-controlled coating equipment for hot melt adhesive tape. Background Technology

[0002] Hot melt adhesive tape refers to a type of adhesive tape that uses a mixture of phenolic resin and nitrile rubber as the colloid and release paper as the protective layer. Hot melt adhesive tape has single-layer and double-layer bonding structures. Single-layer hot melt adhesive tape can be bonded to the surface of an object, while double-layer hot melt adhesive tape can bond two metals, glass, plastics, and wood together. In the production process of hot melt adhesive tape, the coating process is one of the key steps that determines the quality and performance of the tape, so a multi-stage temperature-controlled coating equipment for hot melt adhesive tape is needed.

[0003] Regarding the aforementioned technologies, the applicant believes that when a multi-segment temperature-controlled coating device for hot melt adhesive tape is in operation, the spray pump can spray the material inside the spray box onto the tape, and the fan can quickly cool it down, thereby cooling the hot melt adhesive tape. However, during the tape processing, due to factors such as uneven substrate tension, wrinkles are easily generated on the tape surface, which not only disrupts the uniform coating of the hot melt adhesive, leading to deviations in adhesive layer thickness, but also reduces the adhesion between the tape and the substrate, seriously affecting the spraying effect and product quality. Utility Model Content

[0004] The purpose of this invention is to provide a multi-segment temperature-controlled coating device for hot melt adhesive tape, in order to solve the problem mentioned in the background art that the surface of the tape is prone to wrinkles during the tape processing process, which not only destroys the uniform coating of hot melt adhesive and causes deviation in adhesive layer thickness, but also reduces the adhesion between the tape and the substrate, seriously affecting the spraying effect and product quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-segment temperature-controlled coating device for hot melt adhesive tape, comprising a base and a flattening mechanism. The flattening mechanism is disposed on one side of the base and includes a No. 1 motor disposed below one side of the base. The output end of the No. 1 motor is provided with a lead screw. Movable blocks are provided on both sides of the lead screw. A support seat is provided at the top of the movable block. A support roller is rotatably disposed inside the lower part of the support seat. A threaded rod is provided through the top of the support seat. A movable frame is provided at the bottom end of the threaded rod. A flattening roller is rotatably disposed inside the movable frame.

[0006] By adopting the above technical solution, the operation of the No. 1 motor can drive the lead screw to rotate, causing the two movable blocks outside the lead screw to move in opposite directions, thereby flattening tapes of different widths. By rotating the threaded rod, the movable frame can be moved up and down, thereby adjusting the height of the flattening roller. This makes it convenient to flatten tapes of different thicknesses, improving the practicality of the device.

[0007] Preferably, a drive box is provided inside the base on the side near the No. 1 motor, and the lead screw is rotatably disposed inside the drive box.

[0008] By adopting the above technical solution, the lead screw can be easily supported, thus improving the stability of the lead screw during operation.

[0009] Preferably, a cooling box is provided at the bottom of the base away from the No. 1 motor, and material conveying troughs are provided at both ends of the cooling box.

[0010] By adopting the above technical solution, it is convenient for the tape to enter the interior of the cooling box.

[0011] Preferably, a support plate is provided at the top inside the base, a cylinder is provided at the bottom end of the support plate, and a scraper is provided at the output end of the cylinder.

[0012] By adopting the above technical solution, the operation of the cylinder can drive the scraper to move downward, which can scrape off excess paint from the surface of the tape.

[0013] Preferably, guide rollers are evenly arranged inside the base.

[0014] By adopting the above technical solution, the conveyor belt can be easily transported.

[0015] Preferably, a fan is provided at both ends of the top of the cooling box, and an air inlet is provided at both ends of the top of the cooling box, with a dustproof net provided above the inside of the air inlet.

[0016] By adopting the above technical solution, the operation of the fan can be used to blow air to cool the coating on the surface of the tape, thereby improving the practicality of the device.

[0017] Preferably, a spray box is provided at the top of the support plate, a material pump is provided at the bottom of the spray box, a material conveying pipe is provided at the output end of the material conveying pump, a nozzle is provided at the bottom of the support plate, and the end of the material conveying pipe away from the material pump is connected to the nozzle.

[0018] By adopting the above technical solution, the paint inside the spray box can be sprayed out through the nozzle by utilizing the operation of the feed pump.

[0019] Preferably, a second motor is installed at the end of the spray box away from the material pump, and a stirring rod is installed at the output end of the second motor. A heating tube is installed at the top of the inside of the spray box, and a feeding port is opened at the top of the spray box.

[0020] By adopting the above technical solution, the operation of the No. 2 motor can drive the stirring rod to rotate, which can facilitate the mixing of the paint inside the spray box.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] Equipped with a base, a flattening mechanism, a drive motor, and a flattening roller, the motor drives a lead screw to rotate, causing two movable blocks outside the lead screw to move in opposite directions. This allows for the flattening of tapes of different widths. By rotating the threaded rod, the movable frame can be moved up and down, thus adjusting the height of the flattening roller. This facilitates the flattening of tapes of different thicknesses, improving the practicality of the device. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0024] Figure 2 This is a front view structural diagram of the base of this utility model;

[0025] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is a schematic diagram of the internal structure of the spray box of this utility model;

[0027] Figure 5 This is a schematic diagram of the internal structure of the drive box of this utility model.

[0028] In the diagram: 1. Base; 2. Flattening mechanism; 201. Motor No. 1; 202. Support base; 203. Drive box; 204. Threaded rod; 205. Movable frame; 206. Support roller; 207. Movable block; 208. Lead screw; 209. Flattening roller; 3. Cooling box; 4. Support plate; 5. Spraying box; 6. Guide roller; 7. Scraper; 8. Fan; 9. Air inlet; 10. Cylinder; 11. Spray nozzle; 12. Dustproof net; 13. Feed pump; 14. Feed pipe; 15. Stirring rod; 16. Motor No. 2; 17. Feeding port; 18. Heating tube. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] Please see Figures 1 to 5 This embodiment provides a technical solution: a multi-segment temperature-controlled coating device for hot melt adhesive tape, including a base 1 and a flattening mechanism 2. The flattening mechanism 2 is disposed on one side of the base 1 and includes a primary motor 201 fixedly connected to the lower side of the base 1. The primary motor 201 operates based on the principle of a current-carrying conductor moving under the force of a magnetic field. The stator generates a magnetic field, and the coils on the rotor become current-carrying conductors after being energized. Under the action of Ampere force in the magnetic field, torque is generated, causing the rotor to rotate. At the same time, the commutator continuously changes the direction of the coil current to ensure that the rotor rotates continuously in the same direction. When selecting the appropriate model, it should be selected according to the actual needs. All the components required in the primary motor 201 are existing technologies and will not be described in detail below.

[0032] The output end of the No. 1 motor 201 is fixedly connected to a lead screw 208. Movable blocks 207 are provided on both sides of the lead screw 208. Two sets of movable blocks 207 are provided, with opposite internal thread grooves. A support base 202 is fixedly connected to the top of each movable block 207. A support roller 206 is rotatably mounted inside the support base 202. A threaded rod 204 is threaded through the top of the support base 202. A movable frame 205 is located at the bottom of the threaded rod 204. A flattening roller 209 is rotatably mounted inside the movable frame 205. By rotating the threaded rod 204, the movable frame 205 moves downwards, which in turn moves the flattening roller 209. The flattening roller 209 and the support roller 206 can flatten the tape, eliminating wrinkles on the tape surface. A drive box 203 is fixedly connected to the inside of the base 1, near the side of the No. 1 motor 201. The lead screw 208 is rotatably mounted inside the drive box 203.

[0033] The overall effect of the first embodiment is as follows: The first motor 201 is started by a control switch. The first motor 201 is coaxially connected to the lead screw 208 through a coupling. When the first motor 201 outputs rotational power, the lead screw 208 rotates, which can drive the movable blocks 207 symmetrically distributed on both sides of the lead screw 208 to slide in opposite directions. The distance between the two support seats 202 can be adjusted, and the support seats 202 can be moved to both sides of the tape. Then, by rotating the threaded rod 204, the threaded rod 204 drives the movable frame 205 to move downward, which can drive the flattening roller 209 to move accordingly. The flattening roller 209 and the support roller 206 can flatten the tape, which can eliminate wrinkles on the surface of the tape, thereby enabling the processing of tapes of different widths and thicknesses.

[0034] Example 2

[0035] Guide rollers 6 are evenly arranged inside the base 1 to facilitate the conveying of the processed tape. A support plate 4 is fixedly connected to the upper part of the base 1, providing load-bearing capacity. A cylinder 10 is fixedly connected to the bottom end of the support plate 4. The working principle of the cylinder 10 is to convert the pressure energy of compressed air into mechanical energy to drive the mechanism to achieve linear reciprocating motion, oscillation, and rotational motion. The cylinder 10 mainly consists of a cylinder barrel, end cover, piston, piston rod, and seals. Its basic working principle is to move the piston by compressing air, and to change the direction of piston rod movement by changing the air intake direction. When selecting a cylinder 10, an appropriate model should be selected according to actual needs. All the components required in the cylinder 10 mentioned above are existing technologies and will not be described in detail below.

[0036] A scraper 7 is provided at the output end of the cylinder 10, and a spray box 5 is provided at the top of the support plate 4. A material pump 13 is provided at the bottom of the inside of the spray box 5, and a material conveying pipe 14 is provided at the output end of the material pump 13. A nozzle 11 is provided at the bottom of the support plate 4. The end of the material conveying pipe 14 away from the material pump 13 is connected to the nozzle 11. A second motor 16 is provided at the end of the spray box 5 away from the material pump 13. The second motor 16 has the same basic working principle as the first motor 201.

[0037] The output end of the No. 2 motor 16 is equipped with a stirring rod 15, and the top of the inside of the spray box 5 is equipped with a heating tube 18. The heating tube 18 can heat the paint inside the spray box 5 and control the temperature of the spraying section of the device. The working principle of the heating tube 18 is to generate Joule heat when the current passes through the heating element with resistive characteristics, directly converting electrical energy into heat energy and transferring it to the surrounding medium. The core component inside is a resistance wire (such as nickel-chromium alloy, iron-chromium-aluminum alloy, etc.), which is wrapped with high-temperature resistant insulating material (such as magnesium oxide powder) and metal sleeve (such as stainless steel, copper, etc.). After being energized, the resistance wire generates heat due to the work done by the current, which is evenly conducted to the metal shell through the insulating material, and then heats the air, liquid or solid through heat conduction, convection or radiation. It is equipped with a temperature control component. After the set temperature is reached, the heating tube 18 will stop working. When selecting it, the appropriate model should be selected according to the actual needs. The components required in the heating tube 18 are all existing technologies and will not be described in detail below. The top of the spray box 5 is provided with a feeding port 17.

[0038] The effect achieved by the entire embodiment 2 is as follows: by using the operation of the material pump 13, the paint inside the spray box 5 can be sprayed out through the nozzle 11. Then, by using the operation of the cylinder 10, the scraper 7 can be moved downward to scrape off the excess paint on the surface of the tape.

[0039] Example 3

[0040] A cooling box 3 is fixedly connected to the bottom of the base 1, away from the first motor 201. Both ends of the cooling box 3 are provided with material conveying troughs. Both ends of the top of the cooling box 3 are fixedly connected to a fan 8. The working principle of the fan 8 is to use the lift principle in aerodynamics to drive the gas to flow axially (parallel to the impeller axis) by rotating the blades at high speed, which resemble an airfoil. When selecting the fan 8, the appropriate model should be selected according to the actual needs. All the components required in the fan 8 are existing technologies and will not be described in detail below. The fan 8 can cool the tape inside the cooling box 3 and can control the temperature of the cooling section of the device.

[0041] The cooling box 3 has air inlets 9 at both ends of its top. A dust filter 12 is installed inside the air inlet 9, which can filter out external dust and minimize the contamination of the tape surface by dust.

[0042] The effect achieved by the entire embodiment 3 is that by using the operation of the fan 8, air can be blown out to cool the coating on the surface of the tape, thereby improving the practicality of the device.

[0043] Working principle: First, connect the power supply and start the first motor 201 using the control switch. The first motor 201 is coaxially connected to the lead screw 208 via a coupling. When the first motor 201 outputs rotational power, the lead screw 208 rotates, driving the movable blocks 207 symmetrically distributed on both sides of the lead screw 208 to slide in opposite directions. This allows adjustment of the distance between the two support seats 202, moving the support seats 202 to both sides of the tape. Then, by rotating the threaded rod 204, the movable frame 205 moves downward, which in turn moves the flattening roller 209. The flattening roller 209 and the support roller 206 flatten the tape, eliminating wrinkles on the tape surface, thus enabling the processing of tapes of different widths and thicknesses.

[0044] Secondly, after the tape is flattened, the paint inside the spray box 5 can be sprayed out through the nozzle 11 by the operation of the feed pump 13. Then, the scraper 7 can be moved downward by the operation of the cylinder 10 to scrape off the excess paint on the surface of the tape.

[0045] Finally, the coated tape is transported into the cooling box 3. The fan 8 blows air to cool the coating on the tape surface, thereby improving the practicality of the device.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-segment temperature-controlled coating device for hot melt adhesive tape, characterized in that: include: Base; A flattening mechanism is provided, which is located on one side of the base. The flattening mechanism includes a No. 1 motor located below one side of the base. The output end of the No. 1 motor is provided with a lead screw. Movable blocks are provided on both sides of the lead screw. A support seat is provided at the top of the movable block. A support roller is rotatably provided inside the support seat at the bottom. A threaded rod is provided through the top of the support seat. A movable frame is provided at the bottom of the threaded rod. A flattening roller is rotatably provided inside the movable frame.

2. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 1, characterized in that: A drive box is located inside the base near the No. 1 motor, and the lead screw is rotatably located inside the drive box.

3. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 1, characterized in that: A cooling box is provided at the bottom of the base, away from the No. 1 motor, and material conveying troughs are provided at both ends of the cooling box.

4. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 1, characterized in that: A support plate is provided on the upper part of the base, and a cylinder is provided at the bottom end of the support plate. A scraper is provided at the output end of the cylinder.

5. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 1, characterized in that: Guide rollers are evenly arranged inside the base.

6. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 3, characterized in that: Fans are installed at both ends of the top of the cooling box, and air inlets are opened at both ends of the top of the cooling box. A dustproof net is installed above the inside of the air inlet.

7. The multi-segment temperature-controlled coating equipment for hot melt adhesive tape according to claim 4, characterized in that: The top of the support plate is equipped with a spray box, and the bottom of the spray box is equipped with a material pump. The output end of the material pump is equipped with a material conveying pipe, and the bottom of the support plate is equipped with a nozzle. The end of the material conveying pipe away from the material pump is connected to the nozzle.

8. A multi-segment temperature-controlled coating device for hot melt adhesive tape according to claim 7, characterized in that: A second motor is installed at the end of the spray box away from the material pump. A stirring rod is installed at the output end of the second motor. A heating tube is installed at the top of the inside of the spray box, and a feeding port is opened at the top of the spray box.

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