Positive pressure gas heating device and film coating equipment

Abstract

The utility model provides a positive pressure gas heating device and laminating equipment, which comprises a tank body, a gas inlet pipe and a gas outlet pipe are respectively arranged at two ends of the tank body; the heating mechanism is arranged in the tank body; the temperature measuring mechanism comprises a first temperature measuring assembly and a second temperature measuring assembly which are arranged at the two ends of the tank body respectively, the first temperature measuring assembly is arranged close to the air supply end of the air inlet pipe, and the second temperature measuring assembly communicates with the exhaust pipe; the central control mechanism is connected with the first temperature measuring assembly, the second temperature measuring assembly and the heating mechanism. According to the film laminating machine, the problem that the film laminating quality is affected due to the fact that the temperature of compressed air is too low can be avoided, in the heating process, the temperature measuring mechanism can detect the temperature difference of the compressed air before and after heating, and automatic adjustment of the heating mechanism can be achieved through the central control mechanism. Compared with a conventional air film laminating technology, the automatic film laminating device has the advantages of being high in automation degree, high in operation precision, good in heating effect, high in controllability, capable of remarkably improving the film laminating quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature control equipment technical field, concretely refers to a kind of positive pressure gas heating device and film coating equipment. BACKGROUND

[0002] At present, in the film coating process, first need to heat plastic film material, make it reach specific set temperature, subsequently, with the aid of pressure difference principle, utilize 0.6-0.8MPA compressed air as driving force, the softened film material is tightly coated on workpiece supported by fixture. However, in actual production process, the process exposes significant limitations.

[0003] Due to the region where equipment is located is different and the influence of season replacement, environmental temperature presents large amplitude variation. Compressed air as the key medium of exerting pressure, its temperature also fluctuates greatly. When the temperature of compressed air is lower than 15 ℃, many problems frequently appear in film coating process. On the one hand, the effect of edge covering is difficult to achieve ideal state, seriously affect the appearance integrity of product;On the other hand, the pulling force between membrane and workpiece is significantly reduced, which not only reduces the protection performance of product, but also may lead to membrane shedding in subsequent use process.

[0004] In order to deal with this problem, existing technology usually chooses to improve the heating temperature of membrane. But this measure will undoubtedly bring a series of negative effects, including the significant increase of energy consumption, leading to the sharp rise of production cost;The significant extension of processing cycle, reduces production efficiency, is difficult to meet the demand of large-scale production;More critical is that product quality becomes extremely unstable, high reject rate, seriously affect the economic benefit and market competitiveness of enterprise. SUMMARY

[0005] Therefore, the utility model solves the technical problem that the unstable temperature of compressed air in prior art causes adverse effects on production and processing process and product itself, and provides a kind of positive pressure gas heating device and film coating equipment.

[0006] To solve the above technical problems, the utility model provides a kind of positive pressure gas heating device, it includes: tank body, the tank body includes air inlet pipe and exhaust pipe, the air inlet pipe and the exhaust pipe are respectively close to the both ends of the length direction of the tank body Setting, and all with the tank body inside communication, wherein, the air inlet pipe circumscribes compressed gas supply device, the exhaust pipe circumscribes gas seal collection device;Heating mechanism, the heating mechanism is set in the tank body inside;Temperature measuring mechanism, the temperature measuring mechanism includes first temperature measuring component and second temperature measuring component, the first temperature measuring component and the second temperature measuring component are respectively set in the both ends of the tank body, wherein, the first temperature measuring component is close to the air supply end of the air inlet pipe Setting, the second temperature measuring component is communicated with the exhaust pipe;Central control mechanism, the central control mechanism is connected the first temperature measuring component, the second temperature measuring component and the heating mechanism.

[0007] In an embodiment of the utility model, the first temperature measuring component includes a plurality of first temperature measuring probes, a plurality of the first temperature measuring probes are connected to the tank body, and the working ends thereof are located inside the tank body.

[0008] In an embodiment of the utility model, one end of the tank body is provided with a mounting baffle, a plurality of temperature measuring holes are provided on the mounting baffle, and a plurality of the first temperature measuring probes are correspondingly arranged in the plurality of temperature measuring holes to the inside of the tank body.

[0009] In an embodiment of the utility model, the first temperature measuring component further includes a junction box, the junction box is connected to the mounting baffle, a plurality of the first temperature measuring probes are arranged inside the junction box, and are respectively connected to the central control mechanism by a plurality of connecting lines, the junction box is provided with a threading hole, one end of any connecting line is connected to the first temperature measuring probe, the other end is threaded out of the threading hole, and is connected to the central control mechanism.

[0010] In an embodiment of the utility model, the second temperature measuring component includes a second temperature measuring probe and a thermometer, the thermometer and the second temperature measuring probe are connected to each other, and are respectively arranged in the exhaust pipe.

[0011] In an embodiment of the utility model, the heating mechanism includes a plurality of heating elements and a plurality of guide plates, the plurality of heating elements are arranged inside the tank body, a plurality of the guide plates are arranged along the gas flow direction, any guide plate is connected to the top or bottom of the tank body, and adjacent two guide plates are alternately arranged to prolong the gas flow path.

[0012] In an embodiment of the utility model, the central control mechanism includes first temperature receiving module, second temperature receiving module, data processing module, regulation and control module and feedback module, the signal receiving end of first temperature receiving module is connected with first temperature measurement component, the signal receiving end of second temperature receiving module is connected with second temperature measurement component, the signal output end of first temperature receiving module and second temperature receiving module is connected with data processing module respectively, data processing module calculates the output difference of first temperature receiving module and second temperature receiving module and exports to regulation and control module and feedback module, wherein, regulation and control module is connected with heating mechanism.

[0013] In an embodiment of the utility model, the tank body further comprises a blowdown pipe, the blowdown pipe is arranged at the bottom of the tank body, one end of the blowdown pipe is communicated with the tank body, and the other end of the blowdown pipe is arranged towards the recovery equipment; the bottom of the tank body is provided with a support.

[0014] In an embodiment of the utility model, the positive pressure gas heating device further comprises thermal insulation cotton, and the thermal insulation cotton is wrapped around the periphery of the tank body.

[0015] The utility model also provides a film coating equipment which comprises the positive pressure gas heating device.

[0016] The above technical scheme of the utility model has the following advantages compared with the prior art:

[0017] The positive pressure gas heating device and the film coating equipment have the following advantages: the heating mechanism is arranged in the tank body, so that the compressed air can be heated before film coating operation, thereby avoiding the problem that the film coating quality is affected due to the excessively low temperature of the compressed air; in the heating process, the temperature difference before and after heating of the compressed air can be detected by the temperature measurement mechanism, so that the effective heating of the compressed air can be ensured, and the automatic adjustment of the heating mechanism can be realized by the central control mechanism; compared with the conventional air film coating technology, the application has the advantages of high automation degree, high operation precision, good heating effect, high controllability and significant improvement of film coating quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily understood, the utility model will be further described in detail in combination with the drawings and according to the specific embodiments of the utility model.

[0019] Figure 1 is a perspective structural schematic view of the positive pressure gas heating device in the preferred embodiment of the utility model;

[0020] Figure 2 is Figure 1 the connection relationship schematic view of the central control mechanism in the positive pressure gas heating device shown in the figure.

[0021] 100, tank body; 110, air inlet pipe; 120, air outlet pipe; 130, support; 140, blowdown pipe; 150, mounting baffle; 200, heating mechanism; 210, heating element; 220, flow guide plate; 300, temperature measuring mechanism; 310, first temperature measuring assembly; 311, terminal box; 3111, wire hole; 312, first temperature measuring probe; 320, second temperature measuring assembly; 321, thermometer; 322, second temperature measuring probe; 400, heat preservation cotton. DETAILED DESCRIPTION

[0022] The present application will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it. However, the embodiments are not intended to limit the present application. Embodiment one

[0023] The embodiment provides a positive pressure gas heating device, which comprises: a tank body 100, the tank body 100 comprises an air inlet pipe 110 and an air outlet pipe 120, the air inlet pipe 110 and the air outlet pipe 120 are respectively arranged near two ends of the length direction of the tank body 100 and are in communication with the inside of the tank body 100, wherein the air inlet pipe 110 is connected with a compressed gas supply device, and the air outlet pipe 120 is connected with a gas sealing collection device; a heating mechanism 200, the heating mechanism 200 is arranged in the inside of the tank body 100; a temperature measuring mechanism 300, the temperature measuring mechanism 300 comprises a first temperature measuring assembly 310 and a second temperature measuring assembly 320, the first temperature measuring assembly 310 and the second temperature measuring assembly 320 are respectively arranged at two ends of the tank body 100, wherein the first temperature measuring assembly 310 is arranged near a gas supply end of the air inlet pipe 110, and the second temperature measuring assembly 320 is in communication with the air outlet pipe 120; a central control mechanism, the central control mechanism is connected with the first temperature measuring assembly 310, the second temperature measuring assembly 320 and the heating mechanism 200 respectively

[0024] The positive pressure gas heating device provided by the embodiment can heat compressed air before film coating operation, so as to avoid the problem that the film coating quality is affected due to the too low temperature of the compressed air. In the heating process, the temperature measuring mechanism 300 can detect the temperature difference before and after the heating of the compressed air, so as to ensure the effective heating of the compressed air, and the automatic adjustment of the heating mechanism 200 can be realized through the central control mechanism. Compared with the conventional air film coating technology at the present stage, the application has the advantages of high automation degree, high operation precision, good heating effect, high controllability and significant improvement of film coating quality

[0025] Reference Figure 1As shown, the tank body 100 in the embodiment is preferably a capsule-shaped hollow structure placed horizontally, one end of which is provided with an opening to facilitate the installation and fixation of the heating mechanism 200 and the temperature measuring mechanism 300, and a detachable installation baffle 150 is arranged at the opening of the tank body 100, thereby forming a sealed heating space inside the tank body 100. Further, the bottom of the tank body 100 in the embodiment is provided with a support 130 to improve the structural stability thereof.

[0026] In the embodiment, the air inlet pipe 110 is arranged at the top of the tank body 100 and close to the opening, and the air outlet pipe 120 extends horizontally and outwardly from the end of the tank body 100 away from the opening, the compressed gas enters the inside of the tank body 100 through the air inlet pipe 110 and flows towards the air outlet pipe 120. Further, in order to reduce the temperature loss of the inside of the tank body 100 through the side wall of the tank body 100, the positive pressure gas heating device in the embodiment further comprises thermal insulation cotton 400, which is wrapped around the periphery of the tank body 100, thereby improving the heating stability thereof.

[0027] It should be noted that impurities inside the gas will be brought into the closed tank body 100 during the gas transmission process, and thus the tank body 100 in the embodiment further comprises a blowdown pipe 140 arranged at the bottom of the tank body 100, one end of which is communicated with the tank body 100 and the other end is arranged towards the recovery equipment to perform directional discharge and recovery of impurities when cleaning of the impurities inside the tank body 100 is required.

[0028] Further, the heating mechanism 200 in the embodiment comprises a plurality of heating elements 210 and a plurality of flow guides 220, the plurality of heating elements 210 are arranged inside the tank body 100, and the plurality of flow guides 220 are arranged at intervals along the gas flow direction, any flow guide 220 is connected to the top or bottom of the tank body 100, and adjacent two flow guides 220 are arranged alternately to prolong the gas flow path. Specifically, the plurality of flow guides 220 arranged at intervals in the embodiment can make the gas flow in an "S" shape, thereby increasing the contact area and time between the gas and the heating elements 210, and thus improving the utilization rate of the heating elements 210.

[0029] The heating element 210 in the embodiment is preferably an arc-shaped electric heating wire, and in different embodiments, the heating element 210 can be provided as other different kinds of heating devices according to actual use requirements, which are not specifically limited in the utility model.

[0030] Referring to Figure 1As shown, the first temperature measuring assembly 310 in the embodiment includes a plurality of first temperature measuring probes 312, which are connected to the tank body 100 and have working ends inside the tank body 100. Correspondingly, the mounting baffle 150 is provided with a plurality of temperature measuring holes, the plurality of first temperature measuring probes 312 are arranged in one-to-one correspondence with the plurality of temperature measuring holes to the inside of the tank body 100, the first temperature measuring assembly 310 further includes a junction box 311 connected to the mounting baffle 150, the plurality of first temperature measuring probes 312 are arranged inside the junction box 311 and are respectively connected to the central control mechanism through a plurality of connecting lines, the junction box 311 is provided with a threading hole 3111, one end of any connecting line is connected to the first temperature measuring probe 310, the other end is threaded out of the threading hole 3111 and connected to the central control mechanism.

[0031] Further, the second temperature measuring assembly 320 includes a second temperature measuring probe 322 and a thermometer 321, which are connected to each other and are arranged inside the exhaust pipe 120. The plurality of first temperature measuring probes 312 in the embodiment can accurately detect the gas at multiple points at the input end, and the second temperature measuring probe 322 and the thermometer 321 can accurately detect the heated gas. In actual use, the operator can set parameters to make the gas reach the target heating temperature.

[0032] Referring to Figure 2 As shown, the central control mechanism in the embodiment includes a first temperature receiving module, a second temperature receiving module, a data processing module, a control module and a feedback module. The signal receiving end of the first temperature receiving module is connected to the first temperature measuring assembly 310, the signal receiving end of the second temperature receiving module is connected to the second temperature measuring assembly 320, the signal output ends of the first temperature receiving module and the second temperature receiving module are respectively connected to the data processing module, the data processing module calculates the output difference value of the first temperature receiving module and the second temperature receiving module and outputs to the control module and the feedback module, and the control module is connected to the heating mechanism 200. In actual use, the first temperature receiving module and the second temperature receiving module respectively collect the specific temperatures of the compressed air input end and the output end, transmit them to the data processing module for difference calculation, thereby feeding back the heating condition of the compressed air in real time. The control module can adjust the specific heating temperature of the heating element 210 according to the feedback result, and feed back the specific temperature parameter or change condition through the feedback module, thereby realizing the real-time high-precision automatic temperature adjustment process of the compressed air. Embodiment Two

[0033] The embodiment provides a film coating equipment, which comprises the positive pressure gas heating device.

[0034] In conclusion, the positive pressure gas heating device and the film coating equipment have the following advantages: the heating mechanism 200 is arranged in the tank body 100, so that the compressed air is heated before film coating operation, thereby avoiding the problem that the film coating quality is affected due to the too low temperature of the compressed air; in the heating process, the temperature difference before and after the heating of the compressed air can be detected by the temperature measuring mechanism 300, so that the effective heating of the compressed air is ensured, and the automatic adjustment of the heating mechanism 200 can be realized by the central control mechanism; compared with the conventional air film coating technology at present, the application has the advantages of high automation degree, high operation precision, good heating effect, high controllability and the like, and the film coating quality can be obviously improved.

[0035] Obviously, the above embodiment is only an example for clearly illustrating the present application, and is not a limitation to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A positive pressure gas heating device, characterized in that: include: The tank body includes an air inlet pipe and an exhaust pipe. The air inlet pipe and the exhaust pipe are respectively located near both ends of the tank body along its length and are both connected to the interior of the tank body. The air inlet pipe is externally connected to a compressed gas supply device, and the exhaust pipe is externally connected to a gas-sealed collection device. A heating mechanism is disposed inside the tank body; The temperature measuring mechanism includes a first temperature measuring component and a second temperature measuring component, which are respectively disposed at both ends of the tank. The first temperature measuring component is disposed near the air supply end of the air inlet pipe, and the second temperature measuring component is connected to the exhaust pipe. A central control mechanism is connected to the first temperature measuring component, the second temperature measuring component, and the heating mechanism.

2. The positive pressure gas heating device according to claim 1, characterized in that: The first temperature measuring component includes multiple first temperature measuring probes, which are connected to the tank body and their working ends are all located inside the tank body.

3. The positive pressure gas heating device according to claim 2, characterized in that: One end of the tank is provided with an installation baffle, and the installation baffle is provided with multiple temperature measuring holes. The multiple first temperature measuring probes are inserted through the multiple temperature measuring holes to the inside of the tank in a corresponding manner.

4. The positive pressure gas heating device according to claim 3, characterized in that: The first temperature measuring component also includes a junction box, which is connected to the mounting baffle. Multiple first temperature measuring probes are disposed inside the junction box and are respectively connected to the central control mechanism via multiple connecting wires. The junction box is provided with a wire hole, and one end of any connecting wire is connected to the first temperature measuring probe, while the other end passes through the wire hole and is connected to the central control mechanism.

5. The positive pressure gas heating device according to claim 1, characterized in that: The second temperature measuring component includes a second temperature measuring probe and a thermometer. The thermometer and the second temperature measuring probe are connected to each other and are respectively inserted into the exhaust pipe.

6. The positive pressure gas heating device according to claim 1, characterized in that: The heating mechanism includes multiple heating elements and multiple guide plates. The multiple heating elements are arranged inside the tank, and the multiple guide plates are arranged at intervals along the gas flow direction. Any guide plate is connected to the top or bottom of the tank, and two adjacent guide plates are alternately arranged to extend the gas flow path.

7. The positive pressure gas heating device according to claim 1, characterized in that: The central control mechanism includes a first temperature receiving module, a second temperature receiving module, a data processing module, a control module, and a feedback module. The signal receiving end of the first temperature receiving module is connected to the first temperature measuring component, and the signal receiving end of the second temperature receiving module is connected to the second temperature measuring component. The signal output ends of the first temperature receiving module and the second temperature receiving module are respectively connected to the data processing module. The data processing module calculates the output difference between the first temperature receiving module and the second temperature receiving module and outputs it to the control module and the feedback module. The control module is connected to the heating mechanism.

8. The positive pressure gas heating device according to claim 1, characterized in that: The tank also includes a drain pipe, which is located at the bottom of the tank, with one end connected to the tank and the other end facing the recycling equipment; a support is provided at the bottom of the tank.

9. The positive pressure gas heating device according to claim 1, characterized in that: The positive pressure gas heating device also includes insulation cotton, which is wrapped around the tank body.

10. A coating device, characterized in that: Includes the positive pressure gas heating device according to any one of claims 1 to 9.

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