Jet-propelled heat shrink packaging machine

Abstract

The utility model discloses a jet-propelled heat shrink packaging machine which comprises a machine frame and a top plate arranged on the machine frame, the machine frame is sequentially provided with a conveying device used for conveying packaging boxes, a first jet system, a second jet system, a telescopic device and a film pressing device, and the telescopic device is respectively connected with the first jet system and the second jet system. And the film pressing device is vertically arranged above the conveying device. After the packaging box is conveyed to the position corresponding to the first spraying pipe and the second spraying pipe, as the nozzle on the first spraying pipe is arranged at the bottom of the packaging box, and the second spraying pipe is symmetrically arranged on the two sides of the packaging box, the film pressing device and the telescopic device are used for carrying out progressive air injection heat shrinkage in the air injection heat shrinkage process; and wrinkles and bubbles are prevented from being generated in the heat shrinkage process of the package, heating is more uniform, the processing efficiency is greatly improved, and the reliability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of heat shrinkable packaging equipment, in particular to a jet heat shrinkable packaging machine. Background Technique

[0002] A jet heat shrinkable packaging machine uses a shrink film to wrap around products or packages. After heating, the shrink film shrinks and tightly wraps the products or packages. The packaged items can be sealed, moisture-proof, and pollution-proof, and can protect the goods from external impacts, with a certain buffering effect. Especially when packaging fragile items, it can prevent the scattered fragments when the utensils are broken, fully display the appearance of the items, improve the exhibition sales of the products, and increase the aesthetic and value sense.

[0003] After retrieval, a patent with the Chinese patent application number CN201821336153.3 discloses a jet heat shrinkable packaging machine, including a support frame, a hot air jet mechanism connected to the support frame, a primary packaging mechanism connected to the support frame, and the primary packaging mechanism is communicated with the hot air jet mechanism through a connecting transmission mechanism. The primary packaging mechanism includes an inclined feeding plate connected to the support frame, and a first roller and a second roller for winding the shrink film are respectively arranged above and below the inclined feeding plate. The jet heat shrinkable packaging machine in the above patent has the following deficiencies: there is a problem that the hot air ejection is not uniform enough, resulting in uneven heat shrinkage of the film. Content of the Utility Model

[0004] In order to overcome the deficiencies of the prior art solutions, the utility model provides a jet heat shrinkable packaging machine, which can effectively solve the problems proposed in the background technique.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A jet heat shrinkable packaging machine includes a frame and a top plate arranged on the frame. The frame is successively provided with a conveying device for conveying the packaging box, a first jet system, a second jet system, a telescopic device, and a film pressing device. The telescopic device is respectively connected to the first jet system and the second jet system, and the film pressing device is vertically arranged above the conveying device;

[0007] A hot air pump group, a chassis, and several distribution valves are arranged on the top plate. The hot air pump group is respectively connected to the first jet system and the second jet system through pipelines. A temperature detection module is arranged inside the chassis, and a detection air nozzle is further arranged on one side of the chassis corresponding to the hot air pump group. The hot air pump group includes several hot air interfaces. The distribution valve is provided with an installation seat, and several input air nozzles and output air nozzles are arranged on the installation seat. The input air nozzles and output air nozzles are both connected to the distribution valve;

[0008] The first jet system includes a first air duct and a first nozzle. The second jet system includes a second air duct and a second nozzle. The first air duct is connected to the second air duct. The first nozzle is L-shaped, and a number of nozzles are successively arranged on the first nozzle. One end of the first nozzle is arranged parallel to the frame. The second nozzles are symmetrically arranged on both sides of the conveying device.

[0009] As a further description of the above technical solution, the frame is composed of a number of support rods. The support rods are fixedly connected to the top plate, and the angle between the support rods and the top plate is 30 degrees - 60 degrees. The support rods are connected to the conveying device. The conveying device includes a conveyor belt. The conveyor belt is horizontally arranged at the bottom of the frame. A suction cup for adsorbing the packaging box is arranged on the conveyor belt. The suction cup is arranged along the length direction of the conveyor belt.

[0010] As a further description of the above technical solution, the telescopic device at least includes a set of connecting arms, fixed arms and movable arms. The connecting arms successively connect the fixed arms and the movable arms. The connecting arms are fixedly connected to the fixed arms. A movable joint is arranged at the connection between the movable arm and the connecting arm. The movable arm approaches the inner side of the frame through the movable joint.

[0011] As a further description of the above technical solution, the fixed arms are symmetrically arranged on the frame, and a first cylinder is arranged between the fixed arms.

[0012] As a further description of the above technical solution, the film pressing device includes a second cylinder and a pressing arm connected to the second cylinder. The pressing arm moves along the Y-axis direction of the frame through the second cylinder.

[0013] As a further description of the above technical solution, the distribution valves are arranged in a linear array. The output air nozzles are respectively connected to the first air duct and the second air duct. The first air duct is connected to the first nozzle. The second air duct is connected to the second nozzle.

[0014] As a further description of the above technical solution, the hot air interface is connected to the detection air nozzle through a pipeline. The detection air nozzle is connected to the temperature detection module. A control module is also arranged inside the chassis.

[0015] As a further description of the above technical solution, the nozzles are arranged in a linear array along the axis direction of the first nozzle. The second nozzle is cylindrical, and an air outlet is formed at the end of the second nozzle. The second nozzles are arranged in a linear array along the X-axis direction of the frame.

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

[0017] The jet-type heat shrink packaging machine of the present utility model has at least one of the following beneficial effects during use:

[0018] When the packaging box is conveyed to the positions corresponding to the first nozzle and the second nozzle, since the nozzles on the first nozzle are arranged at the bottom of the packaging box, and the second nozzle is symmetrically arranged on both sides of the packaging box, during the jet heat shrinkage process, the film pressing device and the telescopic device are used for progressive jet heat shrinkage, avoiding the generation of wrinkles and bubbles during the heat shrinkage of the packaging, making the heat more uniform, greatly improving the processing efficiency and having stronger reliability. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a jet heat shrink packaging machine of the present utility model;

[0020] Figure 2 It is a schematic diagram of the first side structure of a jet heat shrink packaging machine of the present utility model;

[0021] Figure 3 It is a schematic diagram of the second side structure of a jet heat shrink packaging machine of the present utility model;

[0022] Figure 4 It is a schematic diagram of the third side structure of a jet heat shrink packaging machine of the present utility model.

[0023] Reference numerals in the figure:

[0024] 1, frame; 101, top plate; 102, chassis; 103, detection air nozzle; 104, conveying device; 105, suction cup; 2, telescopic device; 201, connecting arm; 202, fixed arm; 203, movable arm; 3, hot air pump group; 301, hot air interface; 4, distribution valve; 401, mounting seat; 402, input air nozzle; 403, output air nozzle; 5, film pressing device; 501, first cylinder; 502, second cylinder; 6, first jet system; 601, first air duct; 602, first nozzle; 7, second jet system; 701, second air duct; 702, second nozzle. Detailed Embodiments

[0025] 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 of 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.

[0026] Such as Figures 1-4As shown in the figure, the utility model provides a jet heat shrink packaging machine, which includes a frame 1 and a top plate 101 arranged on the frame 1. The frame 1 is successively provided with a conveying device 104 for conveying the packaging box, a first jet system 6, a second jet system 7, a telescopic device 2 and a film pressing device 5. The telescopic device 2 is respectively connected to the first jet system 6 and the second jet system 7, and the film pressing device 5 is vertically arranged above the conveying device 104.

[0027] In this embodiment, the packaging box is heat shrink packaged by a one-way conveying method. The conveying device 104 uses a 1200w motor to connect a chain conveyor belt, which is arranged on the frame 1. The frame 1 is composed of support rods made of aluminum alloy. A top plate 101 is arranged at the top of the frame 1 to fix the chassis 102, the hot air pump group 3 and the distribution valve 4. The hot air pump group 3 is provided with a hot air interface 301. During the input of hot air, temperature detection needs to be carried out through the detection nozzle 103 of the chassis 102 to ensure the normal operating temperature of the jet heat shrink packaging.

[0028] The top plate 101 is provided with a hot air pump group 3, a chassis 102 and several distribution valves 4. The hot air pump group 3 is respectively connected to the first jet system 6 and the second jet system 7 through pipelines. The chassis 102 is internally provided with a temperature detection module, and a detection nozzle 103 is also arranged on one side of the chassis 102 corresponding to the hot air pump group 3. The hot air pump group 3 includes several hot air interfaces 301. The distribution valve 4 is provided with a mounting seat 401, and several input nozzles 402 and output nozzles 403 are arranged on the mounting seat 401. The input nozzles 402 and the output nozzles 403 are both connected to the distribution valve 4.

[0029] Among them, the user places the packaging box through the suction cups 105 on the conveyor belt. The suction cups 105 adsorb the packaging box and move the package along the directions of the first jet system 6 and the second jet system 7. Since the first jet system 6 and the second jet system 7 are symmetrically arranged, this structure can effectively improve the uniform heating of the heat shrink film on the packaging box and make the packaging film closely adhere to the packaging box.

[0030] The first jet system 6 includes a first air duct 601 and a first nozzle pipe 602. The second jet system 7 includes a second air duct 701 and a second nozzle pipe 702. The first air duct 601 is connected to the second air duct 701. The first nozzle pipe 602 is in an L shape, and several nozzles are successively arranged on the first nozzle pipe 602. One end of the first nozzle pipe 602 is arranged parallel to the frame 1, and the second nozzle pipe 702 is symmetrically arranged on both sides of the conveying device 104.

[0031] During the use of this embodiment, after the packaging box is conveyed to the positions corresponding to the first nozzle 602 and the second nozzle 702, since the nozzles on the first nozzle 602 are arranged at the bottom of the packaging box, and the second nozzle 702 is symmetrically arranged on both sides of the packaging box, during the jet heat shrinkage process, the film pressing device 5 and the telescopic device 2 are used for progressive jet heat shrinkage, avoiding the generation of wrinkles and bubbles during the heat shrinkage of the packaging, greatly improving the processing efficiency and having stronger reliability.

[0032] Further, the frame 1 is composed of several support rods, the support rods are fixedly connected to the top plate 101, and the angle between the support rods and the top plate 101 is 30 degrees - 60 degrees. The support rods are connected to the conveying device 104, the conveying device 104 includes a conveyor belt, the conveyor belt is horizontally arranged at the bottom of the frame 1, and a suction cup 105 for adsorbing the packaging box is arranged on the conveyor belt, and the suction cup 105 is arranged along the length direction of the conveyor belt.

[0033] Further, the telescopic device 2 at least includes a set of connecting arms 201, fixed arms 202 and movable arms 203. The connecting arms 201 are sequentially connected to the fixed arms 202 and the movable arms 203. Among them, the connecting arms 201 are fixedly connected to the fixed arms 202, and a movable joint is arranged at the connection between the movable arms 203 and the connecting arms 201. The movable arms 203 approach the inner side of the frame 1 through the movable joints.

[0034] Further, the fixed arms 202 are symmetrically arranged on the frame 1, and a first cylinder 501 is arranged between the fixed arms 202.

[0035] Further, the film pressing device 5 includes a second cylinder 502 and a pressing arm connected to the second cylinder 502. The pressing arm moves along the Y-axis direction of the frame 1 through the second cylinder 502.

[0036] Further, the distribution valve 4 is arranged in a straight line. Among them, the output nozzles 403 are respectively connected to the first air duct 601 and the second air duct 701. The first air duct 601 is connected to the first nozzle 602, and the second air duct 701 is connected to the second nozzle 702.

[0037] Further, the hot air interface 301 is connected to the detection nozzle 103 through a pipeline. The detection nozzle 103 is connected to the temperature detection module, and a control module is also arranged inside the chassis 102.

[0038] Further, the nozzles are arranged in a line along the axis direction of the first nozzle pipe 602. The second nozzle pipe 702 is cylindrical, and an air outlet is formed at the end of the second nozzle pipe 702. The second nozzle pipes 702 are arranged in a line along the X-axis direction of the frame 1.

[0039] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A jet heat shrink packaging machine, characterized in that: It comprises a frame and a top plate arranged on the frame, wherein the frame is provided with a conveying device for conveying packaging boxes, a first jet system, a second jet system, a telescopic device and a film pressing device in sequence, wherein the telescopic device is connected to the first jet system and the second jet system respectively, and the film pressing device is vertically arranged above the conveying device; The top plate is provided with a hot air pump group, a chassis and a plurality of distribution valves, the hot air pump group is respectively connected to the first jet system and the second jet system through pipelines, the chassis is equipped with a temperature detection module, and a detection gas nozzle is also provided on the side of the chassis corresponding to the hot air pump group, the gas nozzle the hot air pump group includes a plurality of hot air interfaces, the distribution valve is provided with a mounting seat, the mounting seat is provided with a plurality of input gas nozzles and output gas nozzles, the input gas nozzles and the output gas nozzles are both connected to the distribution valve; The first jet system includes a first air duct and a first nozzle, and the second jet system includes a second air duct and a second nozzle, the first air duct is connected to the second air duct, the first nozzle is L-shaped, and a plurality of nozzles are sequentially arranged on the first nozzle, one end of the first nozzle is arranged parallel to the frame, and the second nozzle is symmetrically arranged on both sides of the conveying device.

2. The jet heat shrink packaging machine according to claim 1, characterized in that: The frame is composed of a plurality of support rods, which are fixedly connected to the top plate, and the angle between the support rods and the top plate is 30 degrees to 60 degrees. The support rods are connected to a conveying device, and the conveying device includes a conveyor belt, which is horizontally arranged at the bottom of the frame. A suction cup for adsorbing the packaging box is provided on the conveyor belt, and the suction cup is arranged along the length direction of the conveyor belt.

3. The jet-type heat shrink packaging machine according to claim 1, characterized in that: The telescopic device includes at least one group of connecting arms, fixed arms and movable arms, wherein the connecting arms are connected to the fixed arms and the movable arms in sequence, wherein the connecting arms are fixedly connected to the fixed arms, and a movable joint is provided at the connection between the movable arms and the connecting arms, and the movable arm approaches the inner side of the frame through the movable joint.

4. The jet-type heat shrink packaging machine according to claim 3, characterized in that: The fixed arms are symmetrically arranged on the frame, and a first cylinder is arranged between the fixed arms.

5. The jet-type heat shrink packaging machine according to claim 1, characterized in that: The film pressing device comprises a second cylinder and a pressing arm connected to the second cylinder, and the pressing arm moves along the Y-axis direction of the frame through the second cylinder.

6. The jet-type heat shrink packaging machine according to claim 1, characterized in that: The distribution valves are arranged in a straight line, wherein the gas output nozzles are respectively connected to a first air guide pipe and a second air guide pipe, the first air guide pipe is connected to a first nozzle, and the second air guide pipe is connected to a second nozzle.

7. The jet-type heat shrink packaging machine according to claim 1, characterized in that: The hot air interface is connected to a detection air nozzle through a pipeline, the detection air nozzle is connected to a temperature detection module, and a control module is also provided inside the chassis.

8. The jet-type heat shrink packaging machine according to claim 1, characterized in that: The nozzles are arranged in a line along the axial direction of the first nozzle, the second nozzle is a cylinder, and an air outlet is formed at the end of the second nozzle, and the second nozzles are arranged in a line along the X-axis direction of the frame.

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