Large article heat shrinkage film shrinkage furnace

Abstract

The utility model discloses a shrinkage furnace for a thermal shrinkage film of a large article. The plastic packaging machine comprises a feeding bottom plate, a conveying plastic packaging assembly arranged on the surface of the feeding bottom plate and an exhaust ventilation assembly arranged on the surface of the feeding bottom plate, the surface of the feeding bottom plate is detachably connected with a shell, and the conveying plastic packaging assembly comprises a feeding double-row-chain conveying belt connected to the surface of the feeding bottom plate in a matched mode. One end of the feeding double-row-chain conveying belt is connected with a feeding conveying motor in a matched mode, when the temperature in the hearth reaches the set temperature of the temperature control meter, packaged articles can be placed on the feeding double-row-chain conveying belt, a conveying rotary knob is turned on after the packaged articles are placed, and the feeding conveying motor is started. The feeding conveying motor works to drive the feeding double-row-chain conveying belt to be started to convey the packing materials into the conveying hearth to be shrunk, after the packing materials completely enter the hearth, the feeding conveying rotary knob is closed, the feeding double-row-chain conveying belt is stopped, at the moment, the next packing material can be put in, and the previous operation is repeated after the packing materials are put in the hearth.

Description

Technical Field

[0001] The utility model relates to the technical field of heat shrinkable film equipment, in particular to a heat shrinkable film shrinking furnace for large items. Background Art

[0002] Heat shrink film is used for the sale and transportation of various products, primarily to stabilize, cover, and protect them. Shrink film must possess high puncture resistance, good shrinkage, and a certain shrinkage stress. During the shrinkage process, the film must be free of holes. Since shrink film is often used outdoors, it requires the addition of UV stabilizers. Primary protection provides surface protection for the product, creating a lightweight, protective coating around the product to protect against dust, oil, moisture, water, and theft. Crucially, stretch film packaging ensures uniform stress distribution on the packaged items, preventing damage from uneven stress. This is unattainable with traditional packaging methods (such as strapping, packing, and tape). Compression fixation: Stretch film utilizes the retractive force of the stretched film to wrap the product, creating a compact, space-saving unit. This tightly wraps the product pallets together, effectively preventing product displacement and movement during transport. Furthermore, the adjustable stretching force allows rigid products to adhere tightly and soft products to shrink, creating a unique packaging effect particularly useful in the tobacco and textile industries.

[0003] An existing patent (publication number CN201361981Y) discloses a novel oven for a heat shrink film production line. The oven comprises a top plate, columns, and a bottom plate. The bottom plate is concentrically mounted with densely packed electric heaters. These heaters, combined with existing technology for thickness sensors and temperature controllers, regulate the temperature of the heaters at corresponding points, ensuring consistent temperatures at corresponding points on the mother film passing coaxially. This stabilizes the blow-up ratio, thereby stabilizing and reducing film thickness tolerances and improving the quality and performance of the heat shrink film.

[0004] However, there are some problems in the use of existing large-item heat shrink film shrinking furnaces. 1. The overall transportation of large-item heat shrink film shrinking furnaces currently on the market is relatively inconvenient during use, which reduces the overall efficiency and convenience, and lacks a thermoplastic process during transportation, which reduces the overall use efficiency. The heat shrink film packaging of large items is mainly blown with a hot air gun, resulting in poor shrinkage effect of the shrink film, low production efficiency, and requires multiple people to operate, with high labor costs. 2. The overall internal air permeability of large-item heat shrink film shrinking furnaces currently on the market is low when working, which easily causes the internal temperature to rise, making it inconvenient for subsequent efficient use. Utility Model Content

[0005] The purpose of the utility model is to provide a large-sized article heat shrink film shrinking furnace to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: including a feeding bottom plate, a conveying and plastic sealing component arranged on the surface of the feeding bottom plate, and an exhaust and ventilation component arranged on the surface of the feeding bottom plate;

[0007] The surface of the feed bottom plate is detachably connected to a shell;

[0008] The conveying and plastic sealing assembly includes a feeding double-row chain conveyor belt connected to the surface of the feeding base plate, one end of the feeding double-row chain conveyor belt is connected to the feeding conveying motor, the surface of the feeding base plate is connected to the shrinking furnace double-row chain conveyor belt, one end of the shrinking furnace double-row chain conveyor belt is connected to the shrinking furnace conveying motor, and one side of the feeding base plate is connected to a roller frame, and the materials are transported by the feeding double-row chain conveyor belt and the shrinking furnace double-row chain conveyor belt;

[0009] The exhaust ventilation component includes openings opened on the surface of the shell, and the openings are multiple and distributed in an array. A motor is arranged inside the openings, and a fan blade is arranged at one end of the motor. The fan blade rotates to exhaust the inside of the openings.

[0010] Preferably, the conveying and plastic packaging assembly further includes heating tubes connected to both sides of the interior of the shell, and there are multiple heating tubes.

[0011] Preferably, pillars are detachably connected to both sides of the interior of the shell, and one end of the pillar is cooperatively connected to a baffle.

[0012] Preferably, the exhaust and ventilation assembly further comprises a horizontal column detachably connected to the inside of the opening, and one end of the horizontal column is detachably connected to a motor.

[0013] Preferably, the motor output end is connected to the shaft input end, and one end of the shaft is cooperatively connected to the fan blade.

[0014] Preferably, the opening surface is detachably connected to a wind wheel, and there are multiple wind wheels.

[0015] Preferably, there are multiple pillars, and the pillars are located at the four corners of the baffle surface.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model: first connect the shrink furnace to the power supply, turn on the power switch, turn on the conveyor, turn on the heating tube for heating, then adjust the temperature control meter to adjust the temperature to the shrinking temperature of the film, and adjust the conveying speed in the furnace to an appropriate speed. When the temperature in the furnace reaches the set temperature of the temperature control meter, the packaged items can be placed on the feed double-row chain conveyor belt. After placing them, open the conveying knob, the feed conveying motor will work to drive the feed double-row chain conveyor belt to start and convey the packaged items to the conveying furnace for shrinking. When the packaged items have completely entered the furnace, close the feed conveying knob to stop the feed double-row chain conveyor belt. At this time, you can start to put in the next package, and repeat the previous operation after placing them. The shrinking furnace conveying motor will work to drive the shrinking furnace double-row chain conveyor belt to work. The items that enter the shrinking furnace for shrinkage are conveyed forward in the shrinking furnace. At the same time, the shrink film is shrunk under the action of the heating tube and the motor, and finally transported out of the furnace and stayed on the roller rack, waiting for the packaged items to be transported away. At this time, a cycle is completed, and then

[0018] 2. The utility model: When the heating tube is working, the power current output ends of multiple motors are connected through an external power supply. At this time, the motor drives the input end of the rotating shaft connected to its output end to rotate, and the rotating shaft drives the fan blade connected at one end to rotate, so that it generates wind force to blow and shrink its shrink film. The opening provides a connection position for the motor, and the motor is connected and placed through the horizontal column. The wind wheel reduces the entry of external debris and provides ventilation. Then, the overall internal air permeability of the large-item heat shrink film shrinking furnace is high when it is working, and it is not easy to cause the internal temperature to rise, which is convenient for subsequent efficient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the heating tube structure of an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the opening in an embodiment of the present utility model;

[0022] Figure 4 It is a schematic diagram of the overall top view of the structure of an embodiment of the utility model.

[0023] In the figure: 1. Feed base plate; 2. Conveying and plastic sealing component; 201. Feed conveying motor; 202. Feed double-row chain conveyor belt; 203. Shrinkage furnace double-row chain conveyor belt; 204. Shrinkage furnace conveying motor; 205. Roller frame; 206. Heating tube; 207. Support; 208. Baffle; 3. Shell; 4. Exhaust and ventilation component; 401. Opening; 402. Horizontal column; 403. Motor; 404. Rotating shaft; 405. Fan blade; 406. Wind wheel. DETAILED DESCRIPTION

[0024] To facilitate solving the problem, the present invention provides a heat shrink film shrinking oven for large items. The following, combined with the accompanying drawings, provides a clear and complete description of the technical solutions in the present invention. Obviously, the described embodiments represent only a portion of the present invention, not all of its embodiments. Based on the present invention, all other embodiments derived by persons of ordinary skill in the art without inventive effort are within the scope of protection of the present invention. Example

[0025] See also Figure 1-4 , this embodiment provides a feed base plate 1, a conveying and plastic sealing component 2 arranged on the surface of the feed base plate 1 and an exhaust and ventilation component 4 arranged on the surface of the feed base plate 1, the surface of the feed base plate 1 is detachably connected to a shell 3, the conveying and plastic sealing component 2 includes a feed double-row chain conveyor belt 202 connected to the surface of the feed base plate 1, one end of the feed double-row chain conveyor belt 202 is connected to a feed conveying motor 201, the surface of the feed base plate 1 is connected to a shrinking furnace double-row chain conveyor belt 203, the shrinking furnace double-row chain conveyor belt 20 3 is connected to the shrinking furnace conveying motor 204 at one end, and the roller frame 205 is connected to one side of the feeding bottom plate 1. The material is transported by the feeding double-row chain conveyor belt 202 and the shrinking furnace double-row chain conveyor belt 203. The exhaust ventilation component 4 includes an opening 401 opened on the surface of the shell 3. The openings 401 are multiple and distributed in an array. A motor 403 is set inside the opening 401. A fan blade 405 is set at one end of the motor 403. The fan blade 405 rotates to exhaust the inside of the opening 401.

[0026] In this embodiment, further, the conveying plastic packaging component 2 also includes a heating tube 206 connected to both sides of the shell 3. There are multiple heating tubes 206. The shell 3 is detachably connected to both sides with pillars 207, and one end of the pillar 207 is connected to a baffle 208.

[0027] Specifically, the baffle 208 is supported by the pillar 207 , and the baffle 208 conducts the temperature released by the heating tube 206 , thereby increasing thermal conductivity and reducing damage to the shrink film caused by excessive temperature.

[0028] Furthermore, the exhaust ventilation component 4 also includes a horizontal column 402 that is detachably connected to the inside of the opening 401, and one end of the horizontal column 402 is detachably connected to a motor 403, the output end of the motor 403 is connected to the input end of the rotating shaft 404, and one end of the rotating shaft 404 is cooperatively connected to a fan blade 405.

[0029] Specifically, the opening 401 facilitates the movement of the motor 403 , while the horizontal column 402 supports and connects the motor 403 to increase connectivity.

[0030] Furthermore, the surface of the opening 401 is detachably connected to a wind wheel 406 , there are multiple wind wheels 406 , there are multiple pillars 207 , and the pillars 207 are located at the four corners of the surface of the baffle 208 .

[0031] Specifically, the stability of the connection to the baffle 208 is increased by using a plurality of pillars 207, and the wind wheel 406 is used to perform exhaust and ventilation.

[0032] Working principle: first connect the shrinking furnace to the power supply, turn on the power switch, turn on the conveyor, turn on the heating tube 206 for heating, then adjust the temperature control meter to adjust the temperature to the shrinking temperature of the film, and adjust the conveying speed in the furnace to an appropriate speed. When the temperature in the furnace reaches the set temperature of the temperature control meter, the packaged items can be placed on the feeding double-row chain conveyor belt 202. After placing them, turn on the conveying knob. The feeding conveying motor 201 will work to drive the feeding double-row chain conveyor belt 202 to start and convey the packaged items to the conveying furnace for shrinkage. When the packaged items have completely entered the furnace, turn off the feeding conveying knob to stop the feeding double-row chain conveyor belt 202. At this time, you can start to put in the next package. After placing them, repeat the previous operation. The shrinking furnace conveying motor 204 will work to drive the shrinking furnace double-row chain conveyor belt 203 to work. The items that enter the shrinking furnace for shrinkage are moved forward through the conveyor in the shrinking furnace. At the same time, The shrink film is shrunk under the action of the tube 206 and the motor 403, and is finally transported out of the furnace and stays on the roller frame 205, waiting for the packaged items to be transported away. At this time, a cycle is completed. When the heating tube 206 is working, the power current output ends of multiple motors 403 are connected through an external power supply. At this time, the motor 403 drives the input end of the rotating shaft 404 connected to its output end to rotate, and the rotating shaft 404 drives the fan blade 405 connected at one end to rotate, so that it generates wind force to blow and shrink the shrink film. The opening 401 provides a connection position for the motor 403, and the motor 403 is connected and placed through the horizontal column 402. The wind wheel 406 reduces the entry of external debris and provides ventilation. Then, the overall internal air permeability of the large-item heat shrink film shrinkage furnace is high when it is working, and it is not easy to cause the internal temperature to rise, which is convenient for subsequent efficient use.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-item heat shrink film shrinking furnace, characterized by: It comprises a feed bottom plate (1), a conveying plastic sealing component (2) arranged on the surface of the feed bottom plate (1), and an exhaust ventilation component (4) arranged on the surface of the feed bottom plate (1); The surface of the feed bottom plate (1) is detachably connected to a shell (3); The conveying and plastic sealing component (2) includes a feeding double-row chain conveyor belt (202) connected to the surface of the feeding base plate (1), one end of the feeding double-row chain conveyor belt (202) is connected to the feeding conveying motor (201), the surface of the feeding base plate (1) is connected to the shrinking furnace double-row chain conveyor belt (203), one end of the shrinking furnace double-row chain conveyor belt (203) is connected to the shrinking furnace conveying motor (204), and one side of the feeding base plate (1) is connected to a roller frame (205), and the material is transported by the feeding double-row chain conveyor belt (202) and the shrinking furnace double-row chain conveyor belt (203); The exhaust ventilation component (4) comprises an opening (401) provided on the surface of the shell (3), wherein the openings (401) are multiple and distributed in an array, a motor (403) is provided inside the opening (401), and a fan blade (405) is provided at one end of the motor (403), and the fan blade (405) rotates to exhaust the inside of the opening (401).

2. The large-item heat shrink film shrinking furnace according to claim 1, characterized in that: The conveying plastic packaging component (2) further comprises heating tubes (206) connected to both sides of the interior of the shell (3), and there are multiple heating tubes (206).

3. The large-item heat shrink film shrinking furnace according to claim 1, characterized in that: Supports (207) are detachably connected to both sides of the interior of the shell (3), and one end of the support (207) is cooperatively connected to a baffle (208).

4. The large-item heat shrink film shrinking furnace according to claim 1, characterized in that: The exhaust ventilation assembly (4) further comprises a transverse column (402) detachably connected to the interior of the opening (401), and a motor (403) is detachably connected to one end of the transverse column (402).

5. The large-item heat shrink film shrinking furnace according to claim 4, characterized in that: The output end of the motor (403) is connected to the input end of the rotating shaft (404), and one end of the rotating shaft (404) is cooperatively connected to the fan blade (405).

6. The large-item heat shrink film shrinking furnace according to claim 1, characterized in that: A wind wheel (406) is detachably connected to the surface of the opening (401), and there are multiple wind wheels (406).

7. The large-item heat shrink film shrinking furnace according to claim 3, characterized in that: There are multiple pillars (207), and the pillars (207) are located at the four corners of the surface of the baffle (208).

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