Hot melt adhesive coating equipment

Abstract

The utility model discloses hot melt adhesive coating equipment, which belongs to the technical field of coating equipment and comprises a coating frame, a coating mechanism and a cooling mechanism are arranged on the inner side of the coating frame, the cooling mechanism comprises a water cooling component and an air cooling component, the water cooling component comprises a maintenance box, a vacuum platform is mounted at the top of the maintenance box, and a coil pipe is mounted on the inner wall of the vacuum platform. The air cooling assembly comprises a mounting plate connected to the top of the coating frame, and a plurality of fans located above the vacuum platform are mounted at the bottom of the mounting plate. Through the arrangement of the coating mechanism and the cooling mechanism, the motor drives the winding roller to rotate, the coating mechanism coats a base material, when the coated base material passes through the cooling mechanism, the vacuum platform adsorbs the base material on the vacuum platform, the coil pipe is externally connected with cooling circulating water to cool the bottom of the base material, and meanwhile, the fan is started to blow air to the top of the base material; the top of the base material is cooled, the upper portion and the lower portion are cooled at the same time, the cooling efficiency can be improved, and adhesion during rolling is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating device, in particular to a kind of hot melt adhesive coating equipment, belong to coating equipment technical field. BACKGROUND

[0002] Hot melt adhesive coating machine is a kind of solvent-free, water-free, 100% solid fusible polymer, solid at room temperature, melt to a certain degree to become flowable and certain viscosity liquid adhesive, coating on substrate.

[0003] The existing hot melt adhesive is melted and coated on substrate, due to the temperature is too high, in the process of winding after coating, substrate bottom often sticks hot melt adhesive due to temperature not completely cooled, break the regular shape after compaction of flattening roller on assembly line, further affect the appearance, and it can lead to hot melt adhesive unevenly coated on substrate, and the excess thickness of hot melt adhesive makes its heat dissipation effect worse and affects the appearance, further affect use effect.

[0004] Therefore, the utility model provides a new solution. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to solve the prior art, and provide a kind of hot melt adhesive coating equipment.

[0006] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0007] A kind of hot melt adhesive coating equipment, including coating frame, the one side of the coating frame is equipped with unwinding roller, the other side of the coating frame is equipped with winding roller, one end of the winding roller is connected with motor, the inside of the coating frame is equipped with coating mechanism close to the unwinding roller and cooling mechanism close to the winding roller, the cooling mechanism includes water cooling assembly and air cooling component, the water cooling assembly includes maintenance box, vacuum platform is installed on the top of the maintenance box, coil is installed on the inner wall of the vacuum platform, the air cooling component includes the mounting plate connected in the top of the coating frame, the bottom of the mounting plate is equipped with multiple fan above the vacuum platform.

[0008] Preferably, the top of the vacuum platform is equipped with suction hole, the bottom of the vacuum platform is fixedly connected with air pipe, the bottom end of the air pipe is connected with negative pressure pump inside the maintenance box.

[0009] Preferably, the front of the maintenance box is equipped with maintenance door, handle is connected on the maintenance door.

[0010] Preferably, the both sides of the coating frame are rotatably connected with rotating roller.

[0011] Preferably, the inner side of the coating frame is fixedly provided with a coating platform located at one side of the maintenance box, the coating mechanism comprises a spraying assembly located above the coating platform and a spreading assembly located at one side of the spraying assembly.

[0012] Preferably, the spraying assembly comprises a hot melt glue box, a quantitative pump is mounted on the top of the hot melt glue box, an output end of the quantitative pump is connected with a coating box located above the coating platform through a connecting pipe, and the bottom of the coating box is uniformly provided with a plurality of spray heads.

[0013] Preferably, the top of the coating box is connected with a first electric telescopic rod mounted on the coating frame.

[0014] Preferably, a heating assembly is arranged on the inner wall of the hot melt glue box.

[0015] Preferably, the spreading assembly comprises a second electric telescopic rod mounted on the coating frame, an output end of the second electric telescopic rod is connected with a mounting frame, and the inner side of the mounting frame is rotatably provided with a coating roller located on the top of the coating platform.

[0016] Preferably, the top of the mounting plate is connected with a screw rod, and the top end of the screw rod is threadedly connected with a nut.

[0017] The hot melt adhesive coating equipment provided by the present application has the following beneficial technical effects: through the arrangement of the coating mechanism and the cooling mechanism, the motor drives the winding roller to rotate, the coating mechanism performs coating on the base material, when the coated base material passes through the cooling mechanism, the vacuum platform adsorbs the base material thereon, the cooling circulating water outside the coil pipe cools the bottom of the base material, at the same time, the fan is started to blow air to the top of the base material, and the top of the base material is cooled, and the cooling efficiency is improved, so that the adhesion during winding is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of a preferred embodiment provided by the present application;

[0019] Figure 2 It is a whole structure side view of a preferred embodiment provided by the present application;

[0020] Figure 3 It is a whole structure sectional view of a preferred embodiment provided by the present application;

[0021] Figure 4 It is a vacuum platform structure schematic view of a preferred embodiment provided by the present application;

[0022] Figure 5 It is a spraying assembly structure schematic view of a preferred embodiment provided by the present application;

[0023] Figure 6 A schematic diagram of the uniform spreading assembly structure according to a preferred embodiment of the present application.

[0024] In the figure: 1, coating frame; 2, unwinding roller; 3, winding roller; 4, motor; 5, water cooling assembly; 6, air cooling assembly; 7, maintenance box; 8, vacuum platform; 9, coil; 10, mounting plate; 11, fan; 12, adsorption hole; 13, air pipe; 14, negative pressure pump; 15, maintenance door; 16, rotating roller; 17, coating platform; 18, spraying assembly; 19, uniform spreading assembly; 20, hot melt adhesive tank; 21, quantitative pump; 22, connecting pipe; 23, coating box; 24, spray head; 25, first electric telescopic rod; 26, second electric telescopic rod; 27, mounting frame; 28, coating roller; 29, screw rod. DETAILED DESCRIPTION

[0025] In order to make the technical personnel in the art more clear and explicit technical scheme of the present application, the following embodiments and the present application are described in further detail with reference to the drawings, but the embodiments of the present application are not limited thereto.

[0026] As Figures 1-6 shown, the hot melt adhesive coating equipment provided by the present embodiment comprises a coating frame 1, one side of the coating frame 1 is provided with an unwinding roller 2, the other side of the coating frame 1 is provided with a winding roller 3, one end of the winding roller 3 is connected with a motor 4, the inner side of the coating frame 1 is provided with a coating mechanism close to the unwinding roller 2 and a cooling mechanism close to the winding roller 3, the cooling mechanism comprises a water cooling assembly 5 and an air cooling assembly 6, the water cooling assembly 5 comprises a maintenance box 7, the top of the maintenance box 7 is provided with a vacuum platform 8, the inner wall of the vacuum platform 8 is provided with a coil 9, the air cooling assembly 6 comprises a mounting plate 10 connected to the top of the coating frame 1, the bottom of the mounting plate 10 is provided with a plurality of fans 11 located above the vacuum platform 8. Through the setting of the coating mechanism and the cooling mechanism, the motor 4 drives the winding roller 3 to rotate, the coating mechanism performs coating on the base material, when the coated base material passes through the cooling mechanism, the vacuum platform 8 adsorbs the base material thereon, the coil 9 is connected with cooling circulating water to cool the bottom of the base material, at the same time, the fan 11 is started to blow air on the top of the base material, and the top of the base material is cooled, the cooling efficiency is improved, thereby preventing adhesion during winding.

[0027] In the present embodiment, as Figure 2 , Figure 3 and Figure 4As shown, the top of the vacuum platform 8 is provided with suction holes 12, and the bottom of the vacuum platform 8 is fixedly connected with an air pipe 13, the bottom end of the air pipe 13 is connected with a negative pressure pump 14 located inside the maintenance box 7, the front of the maintenance box 7 is provided with a maintenance door 15, and the maintenance door 15 is connected with a handle. Through the arrangement of the suction holes 12, the air pipe 13 and the negative pressure pump 14, the negative pressure pump 14 is started, and the base material is pressed on the vacuum platform 8 through the suction holes 12, so that the base material can be fully cooled by the coil 9; through the arrangement of the maintenance door 15, the maintenance is facilitated.

[0028] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , both sides of the coating frame 1 are rotatably connected with rotating rollers 16. Through the arrangement of the rotating rollers 16, the base groove can be attached to the top of the coating platform 17 and the vacuum platform 8, facilitating coating and cooling.

[0029] In this embodiment, as shown in Figure 2 , Figure 3 and Figure 5 , the inside of the coating frame 1 is fixedly installed with a coating platform 17 located on one side of the maintenance box 7, the coating mechanism includes a spraying assembly 18 located above the coating platform 17 and a spreading assembly 19 located on one side of the spraying assembly 18, the spraying assembly 18 includes a hot melt glue tank 20, the top of the hot melt glue tank 20 is provided with a quantitative pump 21, the output end of the quantitative pump 21 is connected with a coating box 23 located above the coating platform 17 through a connecting pipe 22, the bottom of the coating box 23 is uniformly provided with a plurality of spray heads 24, the top of the coating box 23 is connected with a first electric telescopic rod 25 installed on the coating frame 1, and a heating assembly is arranged on the inner wall of the hot melt glue tank 20. Through the arrangement of the spraying assembly 18, the hot melt glue can be uniformly sprayed by using the quantitative pump 21 and the spray head 24; through the arrangement of the first electric telescopic rod 25, the height of spraying can be controlled, and the heating assembly is used to melt the hot melt glue in the hot melt glue tank 20.

[0030] In this embodiment, as shown in Figure 2 , Figure 3 and Figure 6 , the spreading assembly 19 includes a second electric telescopic rod 26 installed on the coating frame 1, the output end of the second electric telescopic rod 26 is connected with a mounting frame 27, and the mounting frame 27 is rotatably installed with a coating roller 28 located on the top of the coating platform 17. Through the arrangement of the coating roller 28, the hot melt glue sprayed by the spraying assembly 18 can be spread flat, so that the coating is more uniform, and through the arrangement of the second electric telescopic rod 26, the coating thickness can be controlled.

[0031] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 3As shown, the top of the mounting plate 10 is connected with a screw rod 29, and the top end of the screw rod 29 is threadedly connected with a nut. Through the arrangement of the screw rod 29 and the nut, the air-cooling assembly 6 is conveniently installed.

[0032] In the embodiment, as shown, the working process of the hot melt adhesive coating equipment provided by the embodiment is as follows: Figures 1-6

[0033] Step 1: when using, one end of the base material on the unwinding roller 2 is connected to the winding roller 3, the motor 4 is started to drive the winding roller 3 to rotate, and when the base material passes through the coating mechanism, the quantitative pump 21 extracts hot melt adhesive from the hot melt adhesive tank 20 to spray on the base material through the spray head 24.

[0034] Step 2: then the coating roller 28 is flattened, and the coating thickness can be controlled through the first electric telescopic rod 25 and the second electric telescopic rod 26 during the flattening process.

[0035] Step 3: then the base material passes through the cooling mechanism, the vacuum platform 8 adsorbs the base material thereon, the coil pipe 9 is connected with cooling circulating water to cool the bottom of the base material, and the fan 11 is started to blow air on the top of the base material to cool the top of the base material, the top and bottom are cooled at the same time, and finally the winding is performed on the winding roller 3.

[0036] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.​

Claims

1. A hot melt glue coating device, comprising a coating frame (1), one side of the coating frame (1) is provided with an unwinding roller (2), the other side of the coating frame (1) is provided with a winding roller (3), one end of the winding roller (3) is connected with a motor (4), characterized in that, The inner side of the coating frame (1) is provided with a coating mechanism close to the unwinding roller (2) and a cooling mechanism close to the winding roller (3), the cooling mechanism includes a water cooling assembly (5) and an air cooling assembly (6), the water cooling assembly (5) includes a maintenance box (7), a vacuum platform (8) is installed on the top of the maintenance box (7), a coil (9) is installed on the inner wall of the vacuum platform (8), the air cooling assembly (6) includes a mounting plate (10) connected to the top of the coating frame (1), a plurality of fans (11) are installed on the bottom of the mounting plate (10) and above the vacuum platform (8).

2. The hot melt adhesive coating apparatus according to claim 1, wherein A suction hole (12) is formed in the top of the vacuum platform (8), and a gas pipe (13) is fixedly connected to the bottom of the vacuum platform (8), and the bottom end of the gas pipe (13) is connected to a negative pressure pump (14) inside the maintenance box (7).

3. The hot melt applicator of claim 1, wherein, A maintenance door (15) is installed on the front of the maintenance box (7), and a handle is connected to the maintenance door (15).

4. The hot melt applicator of claim 1, wherein, Rotary rollers (16) are rotatably connected to both sides of the coating frame (1).

5. The hot melt applicator of claim 1, wherein, A coating platform (17) is fixedly installed on one side of the maintenance box (7) inside the coating frame (1), and the coating mechanism includes a spraying assembly (18) above the coating platform (17) and an even spreading assembly (19) on one side of the spraying assembly (18).

6. The hot melt applicator of claim 5, wherein, The spraying assembly (18) includes a hot melt adhesive tank (20), a quantitative pump (21) is installed on the top of the hot melt adhesive tank (20), an output end of the quantitative pump (21) is connected to a coating box (23) above the coating platform (17) through a connecting pipe (22), and a plurality of nozzles (24) are uniformly distributed on the bottom of the coating box (23).

7. The hot melt applicator of claim 6, wherein, A first electric telescopic rod (25) is connected to the top of the coating box (23) and installed on the coating frame (1).

8. The hot melt applicator of claim 6, wherein, A heating assembly is arranged on the inner wall of the hot melt adhesive tank (20).

9. The hot melt applicator of claim 5, wherein, The even spreading assembly (19) includes a second electric telescopic rod (26) installed on the coating frame (1), an output end of the second electric telescopic rod (26) is connected to a mounting frame (27), and a coating roller (28) is rotatably installed on the top of the coating platform (17) inside the mounting frame (27).

10. The hot melt applicator of claim 1, wherein, A screw rod (29) is connected to the top of the mounting plate (10), and a nut is threadedly connected to the top end of the screw rod (29).

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