Flame-retardant copolyester hot melt adhesive device

Abstract

The utility model discloses a flame-retardant copolyester hot melt adhesive device, which relates to the field of hot melt adhesives and comprises a melting tank, an electric heating net is fixedly arranged on the inner wall of the melting tank, a heat preservation mechanism is sleeved on the surface of the melting tank, an adhesive outlet pipe is fixedly arranged at the bottom of the melting tank, and supporting legs are fixedly arranged on the bottom surface of the melting tank. The top surface of the melting tank is in threaded connection with a tank cover, and a motor cabin is fixedly mounted in the middle of the top surface of the tank cover. Through the arrangement of the mixing mechanism, the mixing mechanism is communicated with an external power supply, after the servo motor is electrified, the mixing mechanism is driven to rotate, the wall scraping frame rotates to scrape off sizing materials attached to the inner wall of the melting tank, and the situation that the sizing materials are attached to the inner wall of the melting tank, difficult to clean after being dried and waste of the sizing materials is caused is avoided; and the packing auger rod quickly exchanges the sizing materials at the upper layer and the lower layer in the melting tank, so that the effect of fully mixing the materials is achieved, and the influence on the product quality due to non-uniform mixing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesives, in particular to a flame retardant copolyester hot melt adhesive device. Background Art

[0002] Copolyester is a new series of transparent engineering plastics, a perfect combination of high transparency, high impact resistance and high chemical resistance. Flame retardant copolyester hot melt adhesive is a specially formulated hot melt adhesive with flame retardant properties. It is usually used in applications that require flame retardant properties, such as electronic product assembly, automotive interiors, building materials, etc. In the processing and production of flame retardant copolyester hot melt adhesive, the raw materials need to be mixed and stirred.

[0003] Traditional flame-retardant copolyester hot melt adhesive devices generally use a motor to drive a set of stirring rods to mix the materials during mixing. However, during the hot melt process, the adhesive easily adheres to the inner wall of the container, which is difficult to clean after drying, and also causes waste of adhesive.

[0004] After searching the existing patents: A copolyester hot melt adhesive catalytic system improvement device (Announcement No.: CN216499325U), the utility model adopts three groups of stirring components driven by a single motor, which can drive three groups of stirring components to stir at the same time. The equipment has low driving cost, convenient installation and maintenance.

[0005] The improved device for the copolyester hot melt adhesive catalytic system is not convenient for scraping off the adhesive liquid attached to the kettle tank wall. The adhesive liquid adheres to the tank wall and is difficult to clean after drying, which also causes waste of the adhesive liquid. In addition, it is not convenient for insulating the kettle body, and the heat inside the kettle body is easily lost, resulting in waste of energy.

[0006] Therefore, it is necessary to invent a flame retardant copolyester hot melt adhesive device to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a flame-retardant copolyester hot melt adhesive device to solve the problem proposed in the above-mentioned background technology that it is inconvenient to scrape off the adhesive liquid attached to the wall of the kettle body, the adhesive liquid adheres to the tank wall, and it is difficult to clean it after drying, which will also cause waste of adhesive liquid. In addition, it is not convenient to keep the kettle body warm, and the heat inside the kettle body is easily lost, resulting in waste of energy.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flame-retardant copolyester hot melt adhesive device, comprising a melting tank, an inner wall of which is fixedly provided with an electric heating network, a surface of which is sleeved with a heat preservation mechanism, a glue outlet pipe is fixedly provided at the bottom of the melting tank, a supporting leg is fixedly provided at the bottom of the melting tank, a tank cover is threadedly connected to the top surface of the melting tank, a motor compartment is fixedly installed in the middle of the top surface of the tank cover, a servo motor is fixedly installed inside the motor compartment, and a mixing mechanism is fixedly installed at the bottom of the servo motor.

[0009] Preferably, the heat-insulating mechanism comprises a glass wool sleeve sleeved on the surface of the melting tank, a polyurethane foam sleeve is fixedly provided on the surface of the glass wool sleeve, and the glass wool sleeve and the polyurethane foam sleeve are used to insulate the melting tank and reduce heat loss.

[0010] Preferably, the electric heating network is electrically connected to a temperature controller, and the temperature controller is fixedly mounted on the surface of the heat preservation mechanism. The temperature controller is used to control the heating temperature of the electric heating network to heat-melt the material inside the melting tank.

[0011] Preferably, the mixing mechanism comprises a scraper frame fixedly mounted on the bottom of the servo motor, a plurality of stirring rods are fixedly arranged on the inner wall of the scraper frame, and an auger rod is fixedly arranged on the inner top wall of the scraper frame, and the auger rod is used to quickly exchange materials inside the melting tank.

[0012] Preferably, a fixing plate is fixedly provided at the bottom of the supporting leg, a fixing hole is fixedly provided at the top surface of the fixing plate, a fixing bolt is movably provided inside the fixing hole, and the fixing bolt is screwed to fix the fixing plate.

[0013] Preferably, the number of the supporting legs is four groups, and the four groups of supporting legs are distributed in a circular array, and the supporting legs are used to support the melting tank.

[0014] Preferably, an embedding groove is provided on the surface of the motor cabin, a heat dissipation net is fixedly provided inside the embedding groove, and a valve is fixedly installed on the surface of the rubber outlet pipe, and the valve is used to control the opening and closing of the rubber outlet pipe.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Through the setting of the mixing mechanism, the external power supply is connected. After the servo motor is powered on, it drives the mixing mechanism to rotate, and the scraper rotates to scrape off the rubber material attached to the inner wall of the melting tank to avoid the rubber material adhering to the inner wall of the melting tank, which is difficult to clean after drying and also causes waste of rubber material. The stirring rod stirs the rubber material, and the auger rod quickly exchanges the rubber material in the upper and lower layers of the melting tank, thereby achieving the effect of fully mixing the materials and avoiding uneven mixing and affecting product quality.

[0017] 2. Through the setting of the insulation mechanism, the electric heating network generates heat after being energized, and heats and melts the materials inside the melting tank. The temperature controller controls the heating temperature of the electric heating network, the glass wool sleeve insulates the melting tank, and the polyurethane foam sleeve further insulates the melting tank, thereby achieving the effect of thermal insulation of the melting tank, reducing the heat loss of the melting tank, and saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a flame retardant copolyester hot melt adhesive device.

[0020] Figure 2 The utility model is a schematic diagram of the overall disassembled structure of a flame retardant copolyester hot melt adhesive device.

[0021] Figure 3 The utility model is a schematic diagram of the mixing mechanism structure of a flame retardant copolyester hot melt adhesive device.

[0022] Figure 4 The utility model is a schematic diagram of the heat preservation mechanism structure of a flame retardant copolyester hot melt adhesive device.

[0023] Figure 5 The utility model is a schematic diagram of the electric heating network structure of a flame-retardant copolyester hot melt adhesive device.

[0024] In the figure: 1. melting tank; 2. electric heating network; 3. insulation mechanism; 301. glass wool sleeve; 302. polyurethane foam sleeve; 4. rubber outlet hose; 5. supporting legs; 6. tank cover; 7. motor compartment; 8. servo motor; 9. mixing mechanism; 901. scraper rack; 902. stirring rod; 903. auger rod; 10. temperature controller; 11. fixing plate; 12. fixing bolt; 13. valve. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides Figure 1-5 The flame-retardant copolyester hot melt adhesive device shown comprises a melting tank 1, an electric heating network 2 is fixedly arranged on the inner wall of the melting tank 1, and a heat preservation mechanism 3 is sleeved on the surface of the melting tank 1. Through the setting of the heat preservation mechanism 3, the electric heating network 2 generates heat after being energized, and heats and melts the material inside the melting tank 1. The temperature controller 10 controls the heating temperature of the electric heating network 2, the glass wool sleeve 301 insulates the melting tank 1, and the polyurethane foam sleeve 302 further insulates the melting tank 1, thereby achieving the effect of heat preservation and heat insulation of the melting tank 1, reducing the heat loss of the melting tank 1, and saving energy. A glue outlet pipe 4 is fixedly arranged on the bottom of the melting tank 1, and a supporting leg 5 is fixedly arranged on the bottom surface of the melting tank 1. 1 is threadedly connected with a tank cover 6, a motor cabin 7 is fixedly installed in the middle of the top surface of the tank cover 6, a servo motor 8 is fixedly installed inside the motor cabin 7, a mixing mechanism 9 is fixedly installed at the bottom of the servo motor 8, and the mixing mechanism 9 is connected to an external power supply through the setting of the mixing mechanism 9. After the servo motor 8 is powered on, it drives the mixing mechanism 9 to rotate, and the scraping frame 901 rotates to scrape off the rubber material attached to the inner wall of the melting tank 1 to avoid the rubber material adhering to the inner wall of the melting tank 1, which is difficult to clean after drying and also causes waste of rubber material. The stirring rod 902 stirs the rubber material, and the auger rod 903 quickly exchanges the rubber material in the upper and lower layers inside the melting tank 1, thereby achieving the effect of fully mixing the materials and avoiding uneven mixing and affecting product quality.

[0027] The heat-insulating mechanism 3 includes a glass wool sleeve 301 sleeved on the surface of the melting tank 1, and a polyurethane foam sleeve 302 is fixedly arranged on the surface of the glass wool sleeve 301. Through the arrangement of the heat-insulating mechanism 3, the electric heating network 2 generates heat after being energized, and heats and melts the material inside the melting tank 1. The temperature controller 10 controls the heating temperature of the electric heating network 2, the glass wool sleeve 301 insulates the melting tank 1, and the polyurethane foam sleeve 302 further insulates the melting tank 1, thereby achieving the effect of heat-insulating the melting tank 1, reducing the heat loss of the melting tank 1, and saving energy.

[0028] The electric heating network 2 is electrically connected to a temperature controller 10 , which is fixedly mounted on the surface of the heat preservation mechanism 3 . The temperature controller 10 is arranged to control the heating temperature of the electric heating network 2 .

[0029] The mixing mechanism 9 includes a scraper frame 901 fixedly installed at the bottom of the servo motor 8, and a plurality of stirring rods 902 are fixedly set on the inner wall of the scraper frame 901, and an auger rod 903 is fixedly set on the inner top wall of the scraper frame 901. Through the setting of the mixing mechanism 9, the external power supply is connected. After the servo motor 8 is powered on, it drives the mixing mechanism 9 to rotate, and the scraper frame 901 rotates to scrape off the rubber material attached to the inner wall of the melting tank 1 to avoid the rubber material adhering to the inner wall of the melting tank 1, which is difficult to clean after drying and also causes waste of rubber material. The stirring rod 902 stirs the rubber material, and the auger rod 903 quickly exchanges the upper and lower layers of rubber inside the melting tank 1, thereby achieving the effect of fully mixing the materials and avoiding uneven mixing and affecting product quality.

[0030] A fixing plate 11 is fixedly provided at the bottom of the supporting leg 5 , a fixing hole is fixedly provided on the top surface of the fixing plate 11 , and a fixing bolt 12 is movably provided inside the fixing hole. The fixing bolt 12 is provided to fix the supporting leg 5 .

[0031] The number of the supporting legs 5 is four groups, and the four groups of supporting legs 5 are distributed in a circular array. The arrangement of the supporting legs 5 plays a role in supporting the melting tank 1 .

[0032] The surface of the motor compartment 7 is provided with an embedding groove, inside of which a heat dissipation net is fixedly provided, and the surface of the rubber outlet pipe 4 is fixedly installed with a valve 13, through which the setting of the valve 13 plays a role in controlling the opening and closing of the rubber outlet pipe 4.

[0033] The model of the temperature controller 10 is: Kaiyue AI-518. The above parameters and models can be selected according to actual conditions.

[0034] Working principle: the raw material of a flame-retardant copolyester hot melt adhesive is put into the interior of the melting tank 1, connected to an external power supply, and the electric heating network 2 generates heat after being energized to heat and melt the material inside the melting tank 1. The temperature controller 10 controls the heating temperature of the electric heating network 2, and the glass wool sleeve 301 insulates the melting tank 1. The polyurethane foam sleeve 302 further insulates the melting tank 1, and the melting tank 1 is insulated and heat-insulated to reduce the heat loss of the melting tank 1 and save energy. After the servo motor 8 is energized, it drives the mixing mechanism 9 to rotate, and the scraper frame 901 rotates to scrape off the adhesive attached to the inner wall of the melting tank 1 to avoid the adhesive adhering to the inner wall of the melting tank 1, which is difficult to clean after drying and also causes waste of adhesive. The stirring rod 902 stirs the adhesive, and the auger rod 903 quickly exchanges the upper and lower layers of adhesive inside the melting tank 1 to fully mix the materials to avoid uneven mixing and affect product quality.

[0035] 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 flame retardant copolyester hot melt adhesive device, comprising a melting tank (1), characterized in that: The inner wall of the melting tank (1) is fixedly provided with an electric heating network (2), the surface of the melting tank (1) is sleeved with a heat preservation mechanism (3), the bottom of the melting tank (1) is fixedly provided with a rubber outlet pipe (4), the bottom surface of the melting tank (1) is fixedly provided with a supporting leg (5), the top surface of the melting tank (1) is threadedly connected with a tank cover (6), a motor cabin (7) is fixedly installed in the middle of the top surface of the tank cover (6), a servo motor (8) is fixedly installed inside the motor cabin (7), and a mixing mechanism (9) is fixedly installed at the bottom of the servo motor (8).

2. A flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: The heat-insulating mechanism (3) comprises a glass wool sleeve (301) sleeved on the surface of the melting tank (1), and a polyurethane foam sleeve (302) is fixedly arranged on the surface of the glass wool sleeve (301).

3. A flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: The electric heating network (2) is electrically connected to a temperature controller (10), and the temperature controller (10) is fixedly mounted on the surface of the heat preservation mechanism (3).

4. A flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: The mixing mechanism (9) comprises a scraper frame (901) fixedly mounted on the bottom of the servo motor (8), a plurality of stirring rods (902) being fixedly arranged on the inner wall of the scraper frame (901), and an auger rod (903) being fixedly arranged on the inner top wall of the scraper frame (901).

5. A flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: A fixing plate (11) is fixedly provided at the bottom of the support leg (5), a fixing hole is fixedly provided on the top surface of the fixing plate (11), and a fixing bolt (12) is movably provided inside the fixing hole.

6. A flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: The number of the supporting legs (5) is four groups, and the four groups of supporting legs (5) are distributed in a circular array.

7. The flame retardant copolyester hot melt adhesive device according to claim 1, characterized in that: The surface of the motor compartment (7) is provided with an embedding groove, a heat dissipation net is fixedly provided inside the embedding groove, and a valve (13) is fixedly installed on the surface of the rubber outlet pipe (4).

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