Automatic gluing device for heating film

Abstract

The utility model relates to the field of heating film production, and discloses an automatic gluing device for a heating film. Comprising a bottom plate, a spraying frame mounted on the bottom plate, two rotating rollers rotationally connected to the spraying frame, a gluing pipe mounted on the inner side of the spraying frame and located between the two rotating rollers, an atomizing nozzle communicating with the gluing pipe, and a feeding assembly mounted on the spraying frame and communicating with the gluing pipe. The glue coating and drying device has the following advantages and effects that after the atomization nozzle sprays a section of glue on the surface of the heating film, the driving assembly is started to drive the drying assembly to rotate, at the moment, the atomization nozzle does not discharge the glue any more, the drying assembly just dries the glue sprayed on the previous section, and the operation is repeated, so that continuous glue coating and drying work is achieved; excessive glue attached to the surface of the heating film is avoided, the glue on the surface of the heating film can be dried in time, the glue is prevented from flowing on the surface of the heating film, gluing is more uniform, and the finished product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of heating film production technology, and in particular to an automatic adhesive coating device for heating film. Background Technology

[0002] Heating film is a thin film material used for heating. It is usually made of conductive material and can generate heat when electricity is applied. It is widely used in fields such as floor heating, car seat heating, home heating and electronic device heating.

[0003] During the production and processing of heating film, a layer of glue needs to be applied to its surface. Existing glue coating devices first spray the glue onto the film surface and then dry it. Before drying, the glue adhering to the film surface will flow on the film surface after a certain amount, which can easily cause uneven glue coating on the film surface and affect the quality of the finished product. Therefore, we propose an automatic glue coating device for heating film. Utility Model Content

[0004] The purpose of this invention is to provide an automatic adhesive coating device for heating films, which has the effect of uniform adhesive coating.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an automatic adhesive coating device for heating film, comprising a base plate, a spray frame mounted on the base plate, two rotating rollers rotatably connected to the spray frame, an adhesive coating tube mounted inside the spray frame and located between the two rotating rollers, an atomizing nozzle connected to the adhesive coating tube, and a feeding assembly mounted on the spray frame and connected to the adhesive coating tube. The spray frame is also equipped with a drying assembly sleeved outside the two adhesive coating tubes, and the spray frame is also equipped with a driving assembly for driving the drying assembly to rotate.

[0006] By adopting the above technical solution, when applying adhesive to the surface of the heating film, the bottom surface of the heating film is squeezed against the outer surface of the rotating roller, pulling the heating film backward. The feeding component continuously feeds material into the coating tube, which is then sprayed out by the atomizing nozzle, uniformly coating the outer surface of the heating film with adhesive. After the atomizing nozzle has sprayed a section of adhesive onto the surface of the heating film, the drive component starts and drives the drying component to rotate. At this time, the atomizing nozzle stops dispensing adhesive, and the drying component dries the previously sprayed adhesive. This process is repeated to achieve continuous coating and drying, avoiding excessive adhesive adhering to the surface of the heating film. It allows for timely drying of the adhesive on the surface of the heating film, preventing the adhesive from accumulating excessively on the heating film and flowing on the surface, resulting in more uniform coating of the heating film and improving the quality of the finished product.

[0007] A further feature of this invention is that the feeding assembly includes a booster pump mounted on the spraying frame and an inlet pipe and an outlet pipe connected to the booster pump.

[0008] A further feature of this invention is that the discharge end of the discharge pipe is connected to the two glue-coating pipes.

[0009] By adopting the above technical solution, the feed pipe is connected to the external glue pipe, so that the booster pump draws the external glue and sends it to the glue coating pipe through the discharge pipe and sprays it out through the atomizing nozzle. The glue is pressurized by the booster pump and sprayed onto the outer surface of the heating film by the atomizing nozzle, so that the glue is more evenly distributed on the outer surface of the heating film.

[0010] A further feature of this invention is that the drying assembly includes an annular air outlet rotatably connected to the inner wall of the spray frame, a rectangular slot opened on the annular air outlet rotatably, an air outlet nozzle connected to the annular air outlet rotatably, a heating box installed on the spray frame, an exhaust fan installed on the spray frame and connected to the heating box, and a hot air pipe connecting the heating box and the annular air outlet rotatably.

[0011] A further feature of this invention is that the annular air outlet has two parts, which are respectively fitted over the two adhesive tubes.

[0012] By adopting the above technical solution, when the atomizing nozzle applies adhesive, the rectangular strip holes overlap vertically with the atomizing nozzle, ensuring that the annular air outlet does not obstruct the adhesive application. After the atomizing nozzle sprays a section of adhesive onto the heating film surface, the drive assembly starts, causing the annular air outlet to rotate. At this time, the air outlet nozzle overlaps vertically with the atomizing nozzle. The exhaust fan draws in external air, heats it in the heating box, and then sends it into the annular air outlet through a hot air pipe. The air is then sprayed out through the air outlet nozzle. At this point, the atomizing nozzle stops dispensing adhesive, effectively drying the previously sprayed adhesive. This process is repeated, achieving continuous adhesive application and drying, preventing excessive adhesive from adhering to the heating film surface, and allowing for timely drying of the adhesive. This prevents the adhesive from accumulating excessively on the heating film and flowing across its surface, resulting in more uniform adhesive application and improved product quality.

[0013] A further feature of this invention is that the size of the rectangular strip hole is larger than the distribution area of ​​the atomizing nozzle on a single adhesive tube.

[0014] By adopting the above technical solution, the annular air outlet will not block the adhesive from the atomizing nozzle, so that the adhesive sprayed from the atomizing nozzle can be completely sprayed onto the outer surface of the heating film.

[0015] A further feature of this invention is that the air outlet and the rectangular strip holes are arranged in multiple rows on the annular air outlet tube and are distributed at equal intervals.

[0016] By adopting the above technical solution, the air nozzles and rectangular strip holes are intermittently aligned with the atomizing nozzle, which enables continuous spraying and drying of the adhesive. The air nozzles that are not aligned with the atomizing nozzle also continuously emit air, which can raise the internal temperature of the spray frame and further dry and strengthen the dried heating film, thus improving the quality of the finished product.

[0017] A further feature of this invention is that a guide block is installed on the annular air outlet, one end of which is rotatably connected to the inner wall of the spraying frame.

[0018] By adopting the above technical solution, the stability of the rotation of the annular air outlet can be improved.

[0019] A further feature of this invention is that the drive assembly includes a motor mounted on the spray frame, a rotating wheel fixedly connected to the output shaft of the motor, and a belt sleeved on the outside of the rotating wheel.

[0020] A further feature of this invention is that two belts are provided, and the other end of the belt is fitted over the outside of the annular air outlet duct.

[0021] By adopting the above technical solution, the motor starts and drives the rotating wheel to rotate. When the rotating wheel rotates, it drives two annular air outlets via a belt. The rectangular slots and air nozzles on the annular air outlets intermittently overlap with the atomizing nozzle, achieving continuous coating.

[0022] The adhesive application and drying process prevents excessive adhesive from adhering to the surface of the heating film. Timely drying of the adhesive prevents it from accumulating and flowing on the surface of the heating film, resulting in a more uniform adhesive application and improved product quality.

[0023] The beneficial effects of this invention are as follows: After the atomizing nozzle sprays a section of adhesive onto the surface of the heating film, the drive assembly starts and drives the drying assembly to rotate. At this time, the atomizing nozzle stops dispensing adhesive, and the drying assembly dries the previously sprayed adhesive. This process is repeated to achieve continuous adhesive application and drying, avoiding excessive adhesive adhering to the surface of the heating film. It can dry the adhesive on the surface of the heating film in a timely manner, preventing the adhesive from accumulating on the heating film and flowing on the surface, resulting in more uniform adhesive application on the heating film surface and improving the quality of the finished product. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 is a schematic diagram of the structure of this utility model;

[0026] Figure 2 is a side view of the present invention.

[0027] Figure 3 is a cross-sectional structural diagram of this utility model.

[0028] In the diagram, 1. Base plate; 2. Spraying frame; 3. Rotating roller; 4. Glue application tube; 5. Atomizing nozzle; 6. Feeding assembly; 61. Booster pump; 62. Feed pipe; 63. Discharge pipe; 7. Drying assembly; 71. Annular air outlet; 72. Rectangular strip hole; 73. Air outlet; 74. Heating box; 75. Exhaust fan; 76. Hot air duct; 8. Drive assembly; 81. Motor; 82. Rotating wheel; 83. Belt; 9. Guide block. Detailed Implementation

[0029] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] Please see Figure 1-3 This utility model provides an automatic adhesive coating device for heating film, including a base plate 1, a spray frame 2 mounted on the base plate 1, two rotating rollers 3 rotatably connected to the spray frame 2, an adhesive coating tube 4 mounted inside the spray frame 2 and located between the two rotating rollers 3, an atomizing nozzle 5 connected to the adhesive coating tube 4, and a feeding assembly 6 mounted on the spray frame 2 and connected to the adhesive coating tube 4. The spray frame 2 is also equipped with a drying assembly 7 sleeved outside the two adhesive coating tubes 4, and a driving assembly 8 for driving the drying assembly 7 to rotate is also mounted on the spray frame 2.

[0031] When applying adhesive to the surface of the heating film, the bottom surface of the heating film is pressed against the outer surface of the rotating roller 3, pulling the heating film backward.

[0032] The feeding component 6 continuously feeds adhesive to the coating tube 4, which is then sprayed out by the atomizing nozzle 5, uniformly coating the outer surface of the heating film. After the atomizing nozzle 5 has sprayed a section of adhesive on the surface of the heating film, the driving component 8 starts and drives the drying component 7 to rotate. At this time, the atomizing nozzle 5 stops dispensing adhesive, and the drying component 7 dries the previously sprayed adhesive. This process is repeated to achieve continuous coating and drying, avoiding excessive adhesive adhering to the surface of the heating film. It can dry the adhesive on the surface of the heating film in time, preventing the adhesive from accumulating on the heating film and flowing on the surface of the heating film, resulting in more uniform coating on the surface of the heating film and improving the quality of the finished product.

[0033] The feeding assembly 6 includes a booster pump 61 mounted on the spraying frame 2 and an inlet pipe 62 and an outlet pipe 63 connected to the booster pump 61. The outlet end of the outlet pipe 63 is connected to the two glue-coating pipes 4, and the inlet pipe 62 is connected to an external glue tube. This allows the booster pump 61 to draw external glue and send it to the glue-coating pipe 4 through the outlet pipe 63, where it is sprayed out through the atomizing nozzle 5. The glue is pressurized by the booster pump 61 and then sprayed onto the outer surface of the heating film by the atomizing nozzle, making the glue more evenly distributed on the outer surface of the heating film.

[0034] The drying assembly 7 includes an annular air outlet 71 rotatably connected to the inner wall of the spray frame 2, a rectangular strip hole 72 opened on the annular air outlet 71, an air outlet 73 connected to the annular air outlet 71, a heating box 74 installed on the spray frame 2, an exhaust fan 75 installed on the spray frame 2 and connected to the heating box 74, and a hot air pipe 76 connecting the heating box 74 and the annular air outlet 71. There are two annular air outlets 71, which are respectively fitted over the two glue-applying pipes 4.

[0035] When the atomizing nozzle 5 applies adhesive, the rectangular strip hole 72 overlaps vertically with the atomizing nozzle 5, ensuring that the annular air outlet 71 does not obstruct the adhesive application. After the atomizing nozzle 5 sprays a section of adhesive onto the heating film surface, the drive assembly 8 starts, causing the annular air outlet 71 to rotate. At this time, the air outlet 73 overlaps vertically with the atomizing nozzle 5. The exhaust fan 75 draws in external air, heats it through the heating box 74, and then sends it into the annular air outlet 71 through the hot air pipe 76. The air is then sprayed out through the air outlet 73. At this point, the atomizing nozzle 5 stops dispensing adhesive, thus drying the previously sprayed adhesive. This process is repeated to achieve continuous adhesive application and drying, preventing excessive adhesive from adhering to the heating film surface. It allows for timely drying of the adhesive on the heating film surface, preventing excessive accumulation and flow of adhesive on the heating film surface, resulting in more uniform adhesive application and improved product quality.

[0036] The size of the rectangular strip hole 72 is larger than the distribution area of ​​the atomizing nozzle 5 on the single glue-coating tube 4, so that the annular air outlet 71 will not block the glue from the atomizing nozzle 5, and the glue sprayed from the atomizing nozzle 5 can be completely sprayed onto the outer surface of the heating film.

[0037] The air outlet 73 and rectangular strip holes 72 are arranged in multiple rows on the annular air outlet duct 71 at equal intervals, so that the air outlet 73 and rectangular strip holes 72 intermittently overlap with the atomizing nozzle 5, which can realize the continuous spraying and drying of glue. The air outlet 73 that does not overlap with the atomizing nozzle 5 also continuously emits air, which can raise the internal temperature of the spray frame 3, further dry and strengthen the dried heating film, which is conducive to further improving the quality of the finished product.

[0038] A guide block 9 is installed on the annular air outlet 71, one end of which is rotatably connected to the inner wall of the spray frame 2, to improve the stability of the rotation of the annular air outlet 71.

[0039] The drive assembly 8 includes a motor 81 mounted on the spray frame 2, a rotating wheel 82 fixedly connected to the output shaft of the motor 81, and a belt 83 sleeved on the outside of the rotating wheel 82. Two belts 83 are provided, with the other end of each belt sleeved on the outside of the annular air outlet 71. When the motor 81 starts, it drives the rotating wheel 82 to rotate. As the rotating wheel 82 rotates, it drives the two annular air outlets 71 via the belt 83. The rectangular slots 72 and air nozzles 73 on the annular air outlets 71 intermittently overlap with the atomizing nozzle 5, achieving continuous adhesive application and drying. This prevents excessive adhesive from adhering to the surface of the heating film, allowing for timely drying of the adhesive on the heating film surface. This prevents the adhesive from accumulating excessively on the heating film and flowing onto its surface, resulting in more uniform adhesive application and improved product quality.

[0040] Furthermore, in order to improve the rotational stability of the annular air outlet duct 71, a pulley can be installed on the outside of the annular air outlet duct 71 and connected to the belt 93 for transmission.

Claims

1. An automatic adhesive coating device for heating film, comprising a base plate (1), a spray frame (2) mounted on the base plate (1), two rotating rollers (3) rotatably connected to the spray frame (2), an adhesive coating pipe (4) mounted inside the spray frame (2) and located between the two rotating rollers (3), an atomizing nozzle (5) connected to the adhesive coating pipe (4), and a feeding assembly (6) mounted on the spray frame (2) and connected to the adhesive coating pipe (4), characterized in that, The spraying frame (2) is also equipped with a drying assembly (7) that is fitted over the two glue-applying tubes (4), and the spraying frame (2) is also equipped with a drive assembly (8) that drives the drying assembly (7) to rotate.

2. The automatic adhesive coating device for heating film according to claim 1, characterized in that: The feeding assembly (6) includes a booster pump (61) mounted on the spray frame (2) and an inlet pipe (62) and an outlet pipe (63) connected to the booster pump (61).

3. The automatic adhesive coating device for heating film according to claim 2, characterized in that: The discharge end of the discharge pipe (63) is connected to the two glue-coating pipes (4).

4. The automatic adhesive coating device for heating film according to claim 3, characterized in that: The drying assembly (7) includes an annular air outlet (71) rotatably connected to the inner wall of the spray frame (2), a rectangular strip hole (72) opened on the annular air outlet (71), an air outlet (73) connected to the annular air outlet (71), a heating box (74) installed on the spray frame (2), an exhaust fan (75) installed on the spray frame (2) and connected to the heating box (74), and a hot air pipe (76) connecting the heating box (74) and the annular air outlet (71).

5. The automatic adhesive coating device for heating film according to claim 4, characterized in that: The annular air outlet (71) has two parts, which are respectively fitted around the two glue-coating tubes (4).

6. The automatic adhesive coating device for heating film according to claim 5, characterized in that: The size of the rectangular strip hole (72) is larger than the distribution area of ​​the atomizing nozzle (5) on a single adhesive tube (4).

7. The automatic adhesive coating device for heating film according to claim 6, characterized in that: The air outlet (73) and rectangular strip holes (72) are arranged in multiple rows on the annular air outlet (71) and are distributed at equal intervals.

8. The automatic adhesive coating device for heating film according to claim 7, characterized in that: A guide block (9) is installed on the annular air outlet (71), one end of which is rotatably connected to the inner wall of the spray frame (2).

9. The automatic adhesive coating device for heating film according to claim 8, characterized in that: The drive assembly (8) includes a motor (81) mounted on the spray frame (2), a rotating wheel (82) fixedly connected to the output shaft of the motor (81), and a belt (83) sleeved on the outside of the rotating wheel (82).

10. An automatic adhesive coating device for heating film according to claim 9, characterized in that: Two belts (83) are provided, and the other end of the belts (83) is fitted over the outside of the annular air outlet (71).

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