Drying device for heat shrink film production

Abstract

The utility model provides a heat shrink film production drying device which comprises a box body, an extrusion frame, a liquid accumulation box, a drying cavity, a cooling cavity, an isolation frame, an air heater, an air cooler, a first air conveying pipe and a second air conveying pipe, the extrusion frame is fixed to the position of a feeding port of the box body, and the liquid accumulation box is arranged on the lower side of the extrusion frame; a drying cavity and a cooling cavity are formed in the box body, and an isolation frame is arranged between the drying cavity and the cooling cavity; an air heater and an air cooler are fixed to the outer side face of the box body, a first air conveying pipe is fixed to the output end of the air heater, and a second air conveying pipe is fixed to the output end of the air cooler. Due to the arrangement of the extrusion frame and the isolation frame, during use, a heat shrinkage film can be extruded before being dried, and stable transition of the heat shrinkage film between the drying cavity and the cooling cavity can be ensured, so that heat exchange and mutual interference between the drying cavity and the cooling cavity are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat shrinkable film production, and particularly relates to a drying device for heat shrinkable film production. Background Technique

[0002] As a material widely used in product packaging, the performance of heat shrinkable film directly affects the sales and transportation quality of products. It is usually used to stabilize, cover and protect products, and plays a key role in the packaging quality and safety of products. In the production process, heat shrinkable film needs to go through steps such as stretching, shaping and drying to ensure its good puncture resistance, shrinkability and shrinkage stress. However, there are several significant problems in the existing drying devices for heat shrinkable film production.

[0003] First of all, the pre-treatment step before drying is often ignored. Heat shrinkable film may adhere to a certain amount of moisture during the production process. If this moisture is not removed in advance, it will directly affect the subsequent drying effect, resulting in low drying efficiency and increased energy consumption.

[0004] Secondly, the isolation measures between the drying chamber and the cooling chamber inside the existing drying device are insufficient. The drying chamber and the cooling chamber are the core parts of the drying device, and their functions and roles are different. The drying chamber dries the heat shrinkable film through hot air, while the cooling chamber cools the dried heat shrinkable film through cold air for subsequent operations. However, if the isolation measures between the two are improper, it will lead to heat exchange and mutual interference, thus affecting the drying and cooling effects.

[0005] Therefore, it is very necessary to invent a drying device for heat shrinkable film production. Content of the Utility Model

[0006] The purpose of the utility model is to provide a drying device for heat shrinkable film production to solve the problems mentioned in the background technique.

[0007] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0008] The utility model relates to a drying device for producing heat-shrinkable films, which comprises a box body, an extrusion frame, a liquid accumulation box, a drying chamber, a cooling chamber, a partition frame, a hot air blower, a cold air blower, a first air pipe and a second air pipe. The box body is placed on the ground. One end of the box body is provided with a feed inlet, and the other end of the box body is provided with a discharge outlet. The extrusion frame is fixed at the feed inlet position of the box body through bolts. A liquid accumulation box is arranged below the extrusion frame, and the liquid accumulation box is fixed on the outer side surface of the box body through bolts. Two drying chambers and two cooling chambers are respectively arranged inside the box body. The drying chambers and the cooling chambers are arranged alternately, and a partition frame is arranged between the drying chamber and the cooling chamber. The partition frame is fixed to the inner wall of the box body through bolts. The hot air blower and the cold air blower are respectively fixed on the outer side surface of the box body through bolts. The output end of the hot air blower is fixed with a first air pipe through a connector, and the output end of the cold air blower is fixed with a second air pipe through a connector. The first air pipe is respectively arranged inside the two drying chambers. The first air pipe is fixed to the inner wall of the box body, and a plurality of nozzles are fixed to the outer side surface of the first air pipe through connectors. The second air pipe is respectively arranged inside the two cooling chambers. The second air pipe is fixed to the inner wall of the box body, and a plurality of nozzles are fixed to the outer side surface of the second air pipe through connectors.

[0009] Furthermore, the extrusion frame comprises a first fixing frame, a first extrusion roller, a first motor, a second extrusion roller, a second fixing frame, a second motor, a guide post, a top plate and a first spring. The first fixing frame is fixed to the box body through bolts. The first extrusion roller is rotatably installed inside the first fixing frame through a support bearing. One end of the first extrusion roller is fixed to the output end of the first motor, and the first motor is fixed to the first fixing frame through bolts. A second extrusion roller is arranged above the first extrusion roller. The second extrusion roller is rotatably installed inside the second fixing frame through a support bearing. One end of the second extrusion roller is fixed to the output end of the second motor, and the second motor is fixed to the outer side surface of the second fixing frame through bolts. A plurality of the guide posts are fixed to the upper side surface of the second fixing frame by welding. The guide posts are slidably arranged inside the top plate, and the outer side surfaces of the guide posts are sleeved with first springs. The first springs are arranged between the top plate and the second fixing frame. With such a setting, the heat-shrinkable film can be extruded before drying to squeeze out the liquid on the heat-shrinkable film, thereby improving the subsequent drying efficiency of the heat-shrinkable film.

[0010] Further, the isolation frame includes a first support plate, a first guide roller, a third motor, a second support plate, a second guide roller, a fourth motor, a limit frame and a second spring. The first support plate is fixed inside the box body by bolts, and the upper end of the first support plate is rotatably installed with a first guide roller through a support bearing; one end of the first guide roller is fixed to the output end of the third motor, and the third motor is fixed inside the first support plate by bolts; a second support plate is arranged above the first support plate, and the lower end of the second support plate is rotatably installed with a second guide roller through a support bearing; one end of the second guide roller is fixed to the output end of the fourth motor, and the fourth motor is fixed inside the second support plate by bolts; the upper end of the second support plate is slidably installed inside the limit frame, and the upper end of the limit frame is fixed to the inner wall of the box body by bolts; a second spring is fixed between the upper end of the second support plate and the box body. Such a setting can isolate the drying chamber and the cooling chamber, thus avoiding mutual interference between the drying chamber and the cooling chamber.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. With the setting of the extrusion frame of the utility model, when in use, the produced heat shrinkable film is passed between the first extrusion roller and the second extrusion roller, and then the first extrusion roller and the second extrusion roller are driven by the first motor and the second motor to rotate along with the movement of the heat shrinkable film, so that the upper and lower sides of the heat shrinkable film are extruded by the first extrusion roller and the second extrusion roller. The liquid on the heat shrinkable film is extruded through this extrusion force, and the extruded liquid will drip into the liquid accumulation box, thereby improving the subsequent drying efficiency of the heat shrinkable film.

[0013] 2. With the setting of the isolation frame of the utility model, when in use, the heat shrinkable film can be passed between the first guide roller and the second guide roller. Among them, the first guide roller and the second guide roller can rotate under the drive of the third motor and the fourth motor to cooperate with the movement of the heat shrinkable film. Moreover, the first support plate and the second support plate can isolate the drying chamber and the cooling chamber, thus avoiding mutual interference between the drying chamber and the cooling chamber. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic structural diagram of the present utility model.

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the present utility model.

[0017] Figure 3 It is a schematic structure diagram of the extrusion rack of the present utility model.

[0018] Figure 4 It is a schematic structure diagram of the isolation rack of the present utility model.

[0019] In the figure:

[0020] 1 - box body, 2 - extrusion rack, 21 - first fixing rack, 22 - first extrusion roller, 23 - first motor, 24 - second extrusion roller, 25 - second fixing rack, 26 - second motor, 27 - guide post, 28 - top plate, 29 - first spring, 3 - liquid accumulation tank, 4 - drying chamber, 5 - cooling chamber, 6 - isolation rack, 61 - first support plate, 62 - first guide roller, 63 - third motor, 64 - second support plate, 65 - second guide roller, 66 - fourth motor, 67 - limit rack, 68 - second spring, 7 - hot air blower, 8 - cold air blower, 9 - first air delivery pipe, 10 - second air delivery pipe. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] In the description of the present utility model, it should be understood that the terms "upper", "middle", "outer", "inner", "around", etc. indicating the orientation or position relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0023] Please refer to Figure 1 and Figure 2As shown in the figure, the utility model relates to a drying device for heat shrinkable film production, which includes a box body 1, an extrusion frame 2, a liquid accumulation box 3, a drying chamber 4, a cooling chamber 5, a partition frame 6, a hot air blower 7, a cold air blower 8, a first air duct 9 and a second air duct 10. The box body 1 is placed on the ground. One end of the box body 1 is provided with a feed inlet, and the other end of the box body 1 is provided with a discharge outlet. The extrusion frame 2 is fixed at the feed inlet position of the box body 1 by bolts. A liquid accumulation box 3 is arranged below the extrusion frame 2, and the liquid accumulation box 3 is fixed on the outer side surface of the box body 1 by bolts. Two drying chambers 4 and two cooling chambers 5 are respectively arranged inside the box body 1. The drying chambers 4 and the cooling chambers 5 are arranged alternately, and a partition frame 6 is arranged between the drying chamber 4 and the cooling chamber 5. The partition frame 6 is fixed to the inner wall of the box body 1 by bolts. The hot air blower 7 and the cold air blower 8 are respectively fixed on the outer side surface of the box body 1 by bolts. The output end of the hot air blower 7 is fixed with the first air duct 9 through a connector, and the output end of the cold air blower 8 is fixed with the second air duct 10 through a connector. The first air duct 9 is respectively arranged inside the two drying chambers 4. The first air duct 9 is fixed to the inner wall of the box body 1, and a plurality of nozzles are fixed to the outer side surface of the first air duct 9 through connectors. The second air duct 10 is respectively arranged inside the two cooling chambers 5. The second air duct 10 is fixed to the inner wall of the box body 1, and a plurality of nozzles are fixed to the outer side surface of the second air duct 10 through connectors.

[0024] As Figure 3As shown in the figure, the extrusion rack 2 includes a first fixing rack 21, a first extrusion roller 22, a first motor 23, a second extrusion roller 24, a second fixing rack 25, a second motor 26, a guide post 27, a top plate 28 and a first spring 29. The first fixing rack 21 is fixed to the box body 1 by bolts, and the first extrusion roller 22 is rotatably installed inside the first fixing rack 21 through a support bearing. One end of the first extrusion roller 22 is fixed to the output end of the first motor 23, and the first motor 23 is fixed to the first fixing rack 21 by bolts; a second extrusion roller 24 is arranged above the first extrusion roller 22, and the second extrusion roller 24 is rotatably installed inside the second fixing rack 25 through a support bearing; one end of the second extrusion roller 24 is fixed to the output end of the second motor 26, and the second motor 26 is fixed to the outer side surface of the second fixing rack 25 by bolts; several guide posts 27 are fixedly welded to the upper side surface of the second fixing rack 25, and the guide posts 27 are slidably arranged inside the top plate 28, and the outer sides of the guide posts 27 are sleeved with first springs 29, and the first springs 29 are arranged between the top plate 28 and the second fixing rack 25. When in use, the produced heat shrinkable film is passed between the first extrusion roller 22 and the second extrusion roller 24, and then the first motor 23 and the second motor 26 drive the first extrusion roller 22 and the second extrusion roller 24 to rotate along with the movement of the heat shrinkable film, so that the upper and lower side surfaces of the heat shrinkable film are extruded by the first extrusion roller 22 and the second extrusion roller 24, and the liquid on the heat shrinkable film is extruded through the extrusion force, and the extruded liquid will drip into the liquid accumulation box 3, thereby improving the subsequent drying efficiency of the heat shrinkable film.

[0025] As Figure 4As shown in the figure, the isolation frame 6 includes a first support plate 61, a first guide roller 62, a third motor 63, a second support plate 64, a second guide roller 65, a fourth motor 66, a limit frame 67 and a second spring 68. The first support plate 61 is fixed inside the box body 1 by bolts, and the upper end of the first support plate 61 is rotatably installed with a first guide roller 62 through a support bearing; one end of the first guide roller 62 is fixed to the output end of the third motor 63, and the third motor 63 is fixed inside the first support plate 61 by bolts; a second support plate 64 is arranged on the upper side of the first support plate 61, and the lower end of the second support plate 64 is rotatably installed with a second guide roller 65 through a support bearing; one end of the second guide roller 65 is fixed to the output end of the fourth motor 66, and the fourth motor 66 is fixed inside the second support plate 64 by bolts; the upper end of the second support plate 64 is slidably installed inside the limit frame 67, and the upper end of the limit frame 67 is fixed to the inner wall of the box body 1 by bolts; a second spring 68 is fixed between the upper end of the second support plate 64 and the box body 1. During use, the heat shrinkable film can pass between the first guide roller 62 and the second guide roller 65. Among them, the first guide roller 62 and the second guide roller 65 can rotate driven by the third motor 63 and the fourth motor 66, so as to cooperate with the heat shrinkable film to move. Moreover, the first support plate 61 and the second support plate 64 can isolate the drying chamber 4 and the cooling chamber 5, so as to avoid interference between the drying chamber 4 and the cooling chamber 5.

[0026] Please refer to Figures 1-4 As shown in the figure, the present utility model is a heat shrinkable film production and drying device, and its working principle is: during use, through the cooperation of the hot air blower 7 and the first air pipe 9, the temperature inside the drying chamber 4 can be increased, and through the cooperation of the cold air blower 8 and the second air pipe 10, the temperature inside the cooling chamber 5 can be reduced.

[0027] During the use process, the heat shrinkable film can pass through the extrusion frame 2, and pass through the drying chamber 4 and the cooling chamber 5, and finally be discharged through the discharge port of the box body 1. Among them, when the heat shrinkable film passes through the drying chamber 4, it can be dried, and when the heat shrinkable film passes through the cooling chamber 5, the heat shrinkable film can be cooled, so as to avoid damage to the heat shrinkable film due to long-term drying inside.

[0028] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0029] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and variations can be made. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A heat shrink film production drying device, comprising a box body (1), an extrusion frame (2), a liquid storage box (3), a drying chamber (4), a cooling chamber (5), an isolation frame (6), a hot air blower (7), a cold air blower (8), a first air supply pipe (9) and a second air supply pipe (10), characterized in that: The box (1) is placed on the ground, wherein one end of the box (1) is provided with a feed port, and the other end of the box (1) is provided with a discharge port; an extrusion frame (2) is fixed at the feed port of the box (1), wherein a liquid storage box (3) is provided at the lower side of the extrusion frame (2), and the liquid storage box (3) is fixed to the outer side of the box (1); two drying chambers (4) and two cooling chambers (5) are respectively provided inside the box (1), wherein the drying chambers (4) and the cooling chambers (5) are arranged alternately, and an isolation frame (6) is provided between the drying chambers (4) and the cooling chambers (5), and the isolation frame (6) is fixed to the inner wall of the box (1); the box A hot air blower (7) and a cold air blower (8) are fixed to the outer side of the housing (1), wherein a first air pipe (9) is fixed to the output end of the hot air blower (7), and a second air pipe (10) is fixed to the output end of the cold air blower (8); the first air pipe (9) is arranged in the two drying chambers (4), wherein the first air pipe (9) is fixed to the inner wall of the housing (1), and a plurality of nozzles are fixed to the outer side of the first air pipe (9); the second air pipe (10) is arranged in the two cooling chambers (5), wherein the second air pipe (10) is fixed to the inner wall of the housing (1), and a plurality of nozzles are fixed to the outer side of the second air pipe (10).

2. A heat shrink film production and drying device as claimed in claim 1, characterized in that: The extrusion frame (2) comprises a first fixed frame (21), a first extrusion roller (22), a first motor (23), a second extrusion roller (24), a second fixed frame (25), a second motor (26), a guide column (27), a top plate (28) and a first spring (29), wherein the first fixed frame (21) is fixed to the box body (1), and the first extrusion roller (22) is rotatably mounted inside the first fixed frame (21), wherein one end of the first extrusion roller (22) is fixed to the output end of the first motor (23), and the first motor (23) is fixed to the first fixed frame (21); the first extrusion roller (22) A second squeezing roller (24) is arranged on the upper side, wherein the second squeezing roller (24) is rotatably mounted inside a second fixed frame (25); one end of the second squeezing roller (24) is fixed to the output end of a second motor (26), wherein the second motor (26) is fixed to the outer side of the second fixed frame (25); a plurality of guide columns (27) are fixed to the upper side of the second fixed frame (25), wherein the guide columns (27) are slidably arranged inside a top plate (28), and the outer sides of the guide columns (27) are sleeved with first springs (29), and the first springs (29) are arranged between the top plate (28) and the second fixed frame (25).

3. A heat shrink film production and drying device as claimed in claim 1, characterized in that: The isolation frame (6) comprises a first support plate (61), a first guide roller (62), a third motor (63), a second support plate (64), a second guide roller (65), a fourth motor (66), a limit frame (67) and a second spring (68), wherein the first support plate (61) is fixed inside the box body (1), and the first guide roller (62) is rotatably mounted on the upper end of the first support plate (61); one end of the first guide roller (62) is fixed to the output end of the third motor (63), wherein the third motor (63) is fixed inside the first support plate (61); A second support plate (64) is arranged on the upper side of a support plate (61), wherein a second guide roller (65) is rotatably mounted on the lower end of the second support plate (64); one end of the second guide roller (65) is fixed to the output end of a fourth motor (66), wherein the fourth motor (66) is fixed inside the second support plate (64); the upper end of the second support plate (64) is slidably mounted inside a limiting frame (67), wherein the upper end of the limiting frame (67) is fixed to the inner wall of the box body (1); and a second spring (68) is fixed between the upper end of the second support plate (64) and the box body (1).

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