Reaction kettle for low-melting-point polyester hot melt adhesive

Abstract

The utility model discloses a reaction kettle for low-melting-point polyester hot melt adhesive, which relates to the field of reaction kettles for low-melting-point polyester hot melt adhesive and comprises a main plate, a disc bottom is mounted at the top of the main plate, a support frame is mounted at the top of the disc bottom, a kettle body is mounted at the top of the support frame, and a heat preservation cover is mounted at the top of the kettle body. A holding handle is installed at the top of the heat preservation cover, a support is installed at the top of the outer arm of the kettle body, a motor is installed at the top of the support, a first rotating shaft is fixedly connected to the bottom of the motor, a stirring rod is installed on the first rotating shaft, first spiral fan blades are welded to the two ends of the stirring rod, and a supporting plate is installed on the first spiral fan blades; a connecting block is installed at the bottom of the first rotating shaft, a second rotating shaft is connected to the bottom of the connecting block, and a second spiral fan blade is installed on the second rotating shaft. According to the hot melt adhesive stirring device, hot melt adhesive can be fully stirred and heated through the spiral fan blades, and the discharge port can be prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the field of a reaction kettle for low-melting-point polyester hot-melt adhesive, in particular to a reaction kettle for low-melting-point polyester hot-melt adhesive. Background Art

[0002] Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature within a certain temperature range, while its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. It is popular because the product itself is solid, easy to package, transport, store, solvent-free, pollution-free, non-toxic, and has the advantages of simple production process, high added value, high bonding strength, and fast speed. The polyester resin used as hot melt adhesive is a thermoplastic product obtained by esterification of dibasic acid and diol. It is usually made of dimethyl terephthalate, isophthalic acid, ethylene glycol and butanediol. Like polyamide hot melt adhesive, polyester hot melt adhesive has high heat resistance, good weather resistance, water resistance and elasticity. Its disadvantage is that it has a high viscosity when heated and melted, and it is difficult to operate manually. Generally, it requires special coating machinery for construction. Hot melt adhesive has high bonding strength, good impact resistance, high melting point, heat resistance, generally 180-185℃, and good cold resistance. It has good bonding effect on wood, cardboard, leather, fabric, plastic, etc. It can be mixed with polyurethane resin for metal bonding, and can obtain good initial adhesion and bonding strength, excellent electrical insulation performance, and good chemical resistance. It is particularly suitable for the assembly of electrical and automotive parts. The ratio of the matrix of polyester hot melt adhesive and other additives is generally not very strict. Additives are added mainly to improve the melt viscosity of polyester resin. Commonly used diluents include polystyrene resin and petroleum resin, tackifiers include xylene resin and phenol resin, fillers include talcum powder and calcium carbonate, and sometimes, in order to adapt to different working conditions, reinforcing agents such as glass fiber and carbon fiber, flame retardants such as brominated aromatic compounds and phosphorus compounds, and ultraviolet absorbers such as diphenyl ketone compounds are also added.

[0003] After searching the patent: A reactor for low-melting polyester hot melt adhesive (publication number: CN218637320U), the utility model relates to the technical field of reactors, specifically a reactor for low-melting polyester hot melt adhesive, including a reactor body, the reactor body including an equipment shell, the top surface of the equipment shell is connected to an upper cover, and the top surface of the upper cover is connected to a pressure relief component, and the bottom surface of the equipment shell is connected to a discharge component; the pressure relief component includes a first spring, a first sliding block, a first connecting plate and a first top block, the interior of the upper cover is connected to the first sliding block, and the outer surface of the first sliding block is connected to the first spring, and the bottom surface of the first sliding block is connected to the first top block. The reactor for low-melting polyester hot melt adhesive can effectively and conveniently discharge the high-pressure gas inside the equipment shell by setting the pressure relief component, reduce the safety hazards generated inside the equipment shell when working, and the device can effectively and conveniently control the discharge amount inside the equipment shell in an orderly manner by setting the discharge component.

[0004] Although the above-mentioned low-melting-point polyester hot-melt adhesive reactor can effectively and conveniently discharge the high-pressure gas inside the equipment casing by setting a pressure relief component, thereby reducing the safety hazards generated inside the equipment casing during operation, and the device can effectively and conveniently control the discharge amount inside the equipment casing in an orderly manner by setting a discharge component, the hot-melt adhesive is a colloid that needs to be fully stirred during the reaction, lacks a stirring device, and is easily blocked at the discharge port during discharge, and lacks a device for clearing the discharge port.

[0005] Therefore, it is necessary to invent a low melting point polyester hot melt adhesive reactor to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a reactor for low-melting-point polyester hot-melt adhesive, so as to solve the problems in the above-mentioned background technology that the hot-melt adhesive is a colloid that needs to be fully stirred during the reaction, lacks a stirring device, and is easily blocked at the discharge port and lacks a device for clearing the discharge port.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reaction kettle for low-melting-point polyester hot-melt adhesive, comprising a main board, a disc bottom is installed on the top of the main board, a support frame is installed on the top of the disc bottom, a kettle body is installed on the top of the support frame, a heat-insulating cover is installed on the top of the kettle body, a handle is installed on the top of the heat-insulating cover, a bracket is installed on the top of the outer arm of the kettle body, a motor is installed on the top of the bracket, a first rotating shaft is fixedly connected to the bottom of the motor, a stirring rod is installed on the first rotating shaft, first spiral blades are welded at both ends of the stirring rod, a support plate is installed on the first spiral blade, a connecting block is installed on the bottom of the first rotating shaft, a second rotating shaft is connected to the bottom of the connecting block, and a second spiral blade is installed on the second rotating shaft.

[0008] Preferably, the second rotating shaft is fixed to the connecting block by bolts, and the bolts are fixed by hexagonal nuts.

[0009] Preferably, a discharge port is installed at the bottom of the kettle body.

[0010] Preferably, a discharge valve is installed on the discharge port.

[0011] Preferably, a rotating handle is installed on the discharge valve.

[0012] Preferably, an electric wire heating control panel is installed on the outer wall of the kettle body.

[0013] Preferably, a placement groove is provided on the top of the mainboard.

[0014] Technical effects and advantages of the utility model:

[0015] 1. By setting an electric wire heating control panel, a kettle body, a heat preservation cover, a hand handle, a bracket, a motor, a first rotating shaft, a stirring rod, a first spiral blade, and a support plate, hot melt adhesive is a colloid that is easy to stick together, and needs to be fully stirred and heated evenly, otherwise the produced polyester hot melt adhesive will be poor. The heat preservation cover is opened by the hand handle to pour the raw materials into the kettle body, and the heat preservation cover is closed by the hand handle, and then the heating device of the kettle body is turned on by operating the electric wire heating control panel. Secondly, by operating the motor, the motor drives the first rotating shaft to rotate. Three sets of stirring rods are installed on the first rotating shaft. First spiral blades are arranged at both ends of the stirring rod. A support plate is installed on the first spiral blade. The rotation of the first rotating shaft drives the stirring rod and the first spiral blade to rotate, so as to facilitate the input of raw materials. The stirring rod and the first spiral blade on the first rotating shaft can be driven by the motor to rotate, and the raw materials can be fully stirred to make the raw materials evenly heated, which is conducive to the production of better polyester hot melt adhesive;

[0016] 2. By setting a connecting block, a second rotating shaft, a second spiral fan blade, a bolt, a hexagonal nut, a discharge port, a discharge valve, a rotating handle, and a placement slot, hot melt adhesive is a colloidal substance that is easy to adhere and block the discharge port. After the polyester hot melt adhesive reaction is completed, the rotating handle can be opened, and the rotating handle opens the discharge valve, and the polyester hot melt adhesive is discharged through the discharge port. In order to prevent blockage, the motor is turned on again, and the motor drives the second rotating shaft at the bottom of the connecting block installed at the bottom of the first rotating shaft to rotate. The rotation of the second rotating shaft drives the second spiral fan blade to rotate to clear the discharge port. The second rotating shaft is fixed to the connecting block by bolts and hexagonal nuts. The second rotating shaft and the second spiral fan blade can be removed, and the polyester hot melt adhesive is output from the discharge port to the placement slot for secondary processing, which is beneficial to prevent the discharge port from being blocked, delaying the discharge speed, and delaying the work progress. The discharge speed can be controlled by the discharge valve to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 The utility model is a schematic diagram of the main structure of a reaction kettle for low-melting-point polyester hot-melt adhesive.

[0019] Figure 2 The utility model is a schematic diagram of a top view of the structure of a reaction kettle for low-melting-point polyester hot-melt adhesive.

[0020] Figure 3 The utility model is a schematic diagram of the structure of a reaction kettle for low-melting-point polyester hot-melt adhesive when viewed from above.

[0021] Figure 4 The utility model is a partially enlarged structural schematic diagram of a reaction kettle for low-melting-point polyester hot-melt adhesive.

[0022] In the figure: 1. main board; 2. disc bottom; 3. support frame; 4. kettle body; 5. insulation cover; 6. hand handle; 7. bracket; 8. motor; 9. first rotating shaft; 10. stirring rod; 11. first spiral blade; 12. support plate; 13. connecting block; 14. second rotating shaft; 15. second spiral blade; 16. bolt; 17. hexagonal nut; 18. discharge port; 19. discharge valve; 20. rotating handle; 21. electric wire heating control panel; 22. placement slot. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figure 1-4A reactor for low-melting-point polyester hot-melt adhesive shown in the figure comprises a main board 1, wherein the main board 1 is used to place the reactor as a whole, a disc bottom 2 is installed on the top of the main board 1, wherein the disc bottom 2 is used to stabilize a support frame 3 installed on the bottom of the support frame 3, a support frame 3 is installed on the top of the disc bottom 2, wherein the support frame 3 is composed of a support frame and support legs for installing a kettle body 4, a kettle body 4 is installed on the top of the support frame 3, wherein the kettle body 4 is used to react raw materials for producing low-melting-point polyester hot-melt adhesive, a heat preservation cover 5 is installed on the top of the kettle body 4, wherein the heat preservation cover 5 is used to keep the kettle body 4 warm when it is heated, a hand grip 6 is installed on the top of the heat preservation cover 5, wherein the hand grip 6 is used to open the heat preservation cover 5 to add raw materials for making polyester hot-melt adhesive, a bracket 7 is installed on the top of the outer arm of the kettle body 4, wherein the bracket 7 is used to install a motor 8, and a motor 8 is installed on the top of the bracket 7, wherein the motor 8 is a power device used to drive the first rotating shaft 9 to rotate, A first rotating shaft 9 is fixedly connected to the bottom of the motor 8, wherein the first rotating shaft 9 is used to drive a stirring rod 10 and a first spiral blade 11 installed on the first rotating shaft 9 to rotate and stir, a stirring rod 10 is installed on the first rotating shaft 9, wherein the stirring rod 10 has three groups for installing the first spiral blade 11, and the first spiral blades 11 are welded at both ends of the stirring rod 10, wherein the first spiral blades 11 fully stir the polyester hot melt adhesive, a support plate 12 is installed on the first spiral blade 11, wherein the support plate 12 is used to fix the first spiral blade 11, a connecting block 13 is installed at the bottom of the first rotating shaft 9, wherein the connecting block 13 is used to install a second rotating shaft 14, and the bottom of the connecting block 13 is connected to the second rotating shaft 14, wherein the second rotating shaft 14 is used to install a second spiral blade 15, and a second spiral blade 15 is installed on the second rotating shaft 14, wherein the second spiral blade 15 is used to clear the discharge port 18.

[0025] The second rotating shaft 14 is fixed to the connecting block 13 by bolts 16 , wherein the bolts 16 are used to fix the second rotating shaft 14 to the connecting block 13 , and the bolts 16 are fixed by hexagonal nuts 17 , wherein the hexagonal nuts 17 are used to disassemble and replace the second rotating shaft 14 and the second spiral blades 15 .

[0026] A discharge port 18 is installed at the bottom of the kettle body 4, wherein the discharge port 18 is used to discharge the polyester hot melt adhesive after reaction.

[0027] A discharge valve 19 is installed on the discharge port 18, wherein the discharge valve 19 is used to control the speed of output of the polyester hot melt adhesive.

[0028] A rotating handle 20 is installed on the discharge valve 19 , wherein the rotating handle 20 is used to open the discharge valve 19 .

[0029] An electric wire heating control panel 21 is installed on the outer wall of the kettle body 4 , wherein the electric wire heating control panel 21 is used to turn on the heating device of the kettle body 4 .

[0030] A placement slot 22 is provided on the top of the main board 1, wherein the placement slot 22 is used to store the output polyester hot melt adhesive.

[0031] Working principle: hot melt adhesive is a colloid that is easy to stick together, and needs to be fully stirred and heated evenly, otherwise the polyester hot melt adhesive produced will be poor. Open the insulation cover 5 by holding the handle 6 and pour the raw materials into the kettle body 4, close the insulation cover 5 by holding the handle 6, and then turn on the heating device of the kettle body 4 by operating the electric wire heating control panel 21, and then operate the motor 8. The motor 8 drives the first rotating shaft 9 to rotate. Three groups of stirring rods 10 are installed on the first rotating shaft 9. First spiral blades 11 are arranged at both ends of the stirring rod 10. A support plate 12 is installed on the first spiral blade 11. The rotation of the first rotating shaft 9 drives the stirring rod 10 and the first spiral blade 11 to rotate, so as to facilitate the input of raw materials. Therefore, the stirring rod 10 and the first spiral blade 11 on the first rotating shaft 9 can be driven by the motor 8 to rotate, so that the raw materials can be fully stirred and the raw materials can be heated evenly, which is conducive to the production of better Good polyester hot melt adhesive, hot melt adhesive is a colloid that is easy to stick and block the discharge port 18. After the polyester hot melt adhesive reaction is completed, the rotating handle 20 can be opened, and the rotating handle 20 opens the discharge valve 19, and the polyester hot melt adhesive is discharged through the discharge port 18. In order to prevent blockage, the motor 8 is turned on again, and the motor 8 drives the second rotating shaft 14 at the bottom of the connecting block 13 installed at the bottom of the first rotating shaft 9 to rotate. The second rotating shaft 14 is fixed to the connecting block 13 by bolts 16 and hexagonal nuts 17. The second rotating shaft 14 and the second spiral blade 15 can be disassembled and replaced. The rotation of the second rotating shaft 14 drives the second spiral blade 15 to rotate to clear the discharge port 18, and the polyester hot melt adhesive is output from the discharge port 18 to the placement groove 22 for secondary processing, which is beneficial to prevent the discharge port 18 from being blocked, delaying the discharge speed, and delaying the work progress. The discharge speed can be controlled by the discharge valve 19 to improve work efficiency.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A reaction kettle for low melting point polyester hot melt adhesive, comprising a main board (1), characterized in that: A disc bottom (2) is mounted on the top of the main board (1), a support frame (3) is mounted on the top of the disc bottom (2), a kettle body (4) is mounted on the top of the support frame (3), a heat preservation cover (5) is mounted on the top of the kettle body (4), a hand grip (6) is mounted on the top of the heat preservation cover (5), a bracket (7) is mounted on the top of the outer arm of the kettle body (4), a motor (8) is mounted on the top of the bracket (7), a first rotating shaft (9) is fixedly connected to the bottom of the motor (8), a stirring rod (10) is mounted on the first rotating shaft (9), first spiral blades (11) are welded at both ends of the stirring rod (10), a support plate (12) is mounted on the first spiral blade (11), a connecting block (13) is mounted on the bottom of the first rotating shaft (9), a second rotating shaft (14) is connected to the bottom of the connecting block (13), and a second spiral blade (15) is mounted on the second rotating shaft (14).

2. A reaction kettle for low melting point polyester hot melt adhesive according to claim 1, characterized in that: The second rotating shaft (14) is fixed to the connecting block (13) by means of bolts (16), and the bolts (16) are fixed by means of hexagonal nuts (17).

3. A reaction kettle for low melting point polyester hot melt adhesive according to claim 1, characterized in that: A discharge port (18) is installed at the bottom of the kettle body (4).

4. A reaction kettle for low melting point polyester hot melt adhesive according to claim 3, characterized in that: A discharge valve (19) is installed on the discharge port (18).

5. A reaction kettle for low melting point polyester hot melt adhesive according to claim 4, characterized in that: The discharge valve (19) is provided with a rotating handle (20).

6. A reaction kettle for low melting point polyester hot melt adhesive according to claim 1, characterized in that: An electric wire heating control panel (21) is installed on the outer wall of the kettle body (4).

7. A reaction kettle for low melting point polyester hot melt adhesive according to claim 1, characterized in that: A placement slot (22) is provided on the top of the main board (1).

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