A reciprocating heat shrink film packaging machine

Abstract

The utility model discloses a reciprocating heat shrink film packaging machine, which comprises a frame, wherein a material transfer assembly is arranged inside the frame, and the material transfer assembly comprises a conveyor belt, a rotating shaft, a sprocket, a chain and a fixed seat sleeve. A plurality of placement grooves are evenly opened on the surface of the conveyor belt, and each row of the placement grooves is provided with three. The outer sides of both ends of the rotating shaft are fixedly connected with the fixed seat sleeves, the chain is meshed with the sprocket, and the fixed seat sleeve is fixedly connected with the middle position of the adjacent sprockets. Through the cooperation between the conveyor belt, the plurality of placement grooves, three groups of heat shrink chambers, the mounting frame, the guide column, the first cylinder, the push plate, the three top plates and the second cylinder, a plurality of products can be packaged at one time, the efficiency is improved, no manual operation is required when unloading, and the degree of automation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a reciprocating heat shrink film packaging machine. Background Art

[0002] A heat shrink packaging machine is a device that uses heat energy to tightly wrap a shrink film around a product or package. This packaging method can improve the display effect of the product, enhance the safety of the package, and provide a certain degree of moisture and dust protection. According to the different packaging methods, heat shrink packaging machines can be divided into many types, among which the "reciprocating heat shrink packaging machine" is one of the specific designs. During the sealing and shrinking process of the reciprocating heat shrink packaging machine, the packaging material (usually shrink film) and the product will move back and forth between the fixed sealing and shrinking position and the shrinking channel, that is, reciprocating motion.

[0003] Most of the current reciprocating heat shrink film packaging machines use a single conveyor belt for feeding, and can only package one product at a time, which is inefficient, and the material is manually unloaded, and the degree of automation is low;

[0004] Therefore, a reciprocating heat shrink film packaging machine is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a reciprocating heat shrink film packaging machine to solve the problems raised in the above background technology that most of the current reciprocating heat shrink film packaging machines use a single conveyor belt for feeding, can only package one product at a time, have low efficiency, and require manual unloading, resulting in a low degree of automation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reciprocating heat shrink film packaging machine, comprising a frame, a material transfer assembly is arranged inside the frame, the material transfer assembly comprises a conveyor belt, a rotating shaft, a sprocket, a chain and a fixed seat sleeve, a plurality of placement grooves are evenly arranged on the surface of the conveyor belt, and each row of the placement grooves is provided with three, the outer sides of both ends of the rotating shaft are fixedly connected with the fixed seat sleeve, the chain is meshed with the sprocket, the fixed seat sleeve is fixedly connected with the middle position of the adjacent sprocket, a motor is arranged on the rear side of the frame, the power output end of the motor is fixedly connected with the rotating shaft on the left side, and a support frame is arranged in the middle part above the frame A film roll supporting mechanism is installed on the left side of the support frame, three groups of heat shrinking chambers are installed under the support frame, a sealing and cutting mechanism is arranged between the two heat shrinking chambers on the left, two mounting frames are installed on the upper right side of the frame, two guide pillars are installed between the two mounting frames, a push plate is slidably connected between the two guide pillars, a first cylinder is arranged on the left side of the push plate, the telescopic end of the first cylinder is fixedly connected to the middle part of the left wall of the push plate, three top plates are arranged below the two mounting frames, a second cylinder is installed below the three top plates, the telescopic end of the second cylinder is fixedly connected to the lower wall surface of the top plate, and a unloading table is arranged on the far right side of the frame.

[0007] Preferably, a protective plate is connected to the left side of the front wall of the frame, and a corrosion-resistant layer is sprayed on the lower wall surface of the protective plate.

[0008] Preferably, a first electric telescopic rod is installed above the three groups of heat shrink chambers, and the telescopic end of the first electric telescopic rod is fixedly connected to the upper wall surface of the adjacent heat shrink chamber. There are three heat shrink chambers in each group, and the heat shrink chambers are adapted to the placement grooves.

[0009] Preferably, a second electric telescopic rod is arranged above the sealing and cutting mechanism, a telescopic end of the second electric telescopic rod is connected to the top of the sealing and cutting mechanism, and the sealing and cutting mechanism includes a cutting blade.

[0010] Preferably, a base is installed below the rack, a lower wall surface of the base is provided with anti-slip patterns, and an air cooler is installed on the right side of the support frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are: through the cooperation between the conveyor belt, multiple placement slots, three groups of heat shrink chambers, the mounting frame, the guide column, the first cylinder, the push plate, the three top plates and the second cylinder, multiple products can be packaged at one time, the efficiency is improved, no manual operation is required during unloading, and the degree of automation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1This is a schematic diagram of the structure of the utility model from a top view;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] In the figure: 1. frame; 2. guard plate; 3. motor; 4. rotating shaft; 5. sprocket; 6. chain; 7. fixed seat sleeve; 8. conveyor belt; 9. placement groove; 10. film roll support mechanism; 11. support frame; 12. heat shrink chamber; 13. first electric telescopic rod; 14. sealing and cutting mechanism; 15. second electric telescopic rod; 16. mounting frame; 17. guide column; 18. first cylinder; 19. push plate; 20. top plate; 21. second cylinder; 22. unloading table; 23. base; 24. air cooler. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] Example:

[0019] See also Figure 1-2The utility model provides a technical solution: a reciprocating heat shrink film packaging machine, including a frame 1, a material transfer assembly is arranged inside the frame 1, and the material transfer assembly includes a conveyor belt 8, a rotating shaft 4, a sprocket 5, a chain 6 and a fixed seat sleeve 7. The surface of the conveyor belt 8 is evenly provided with a plurality of placement grooves 9, and each row of the placement grooves 9 is provided with three. The outer sides of both ends of the rotating shaft 4 are fixedly connected with the fixed seat sleeve 7, the chain 6 is meshed with the sprocket 5, and the fixed seat sleeve 7 is fixedly connected with the middle position of the adjacent sprocket 5. A motor 3 is arranged on the rear side of the frame 1, and the power output end of the motor 3 is fixedly connected with the rotating shaft 4 on the left side. A support frame 11 is arranged in the middle part above the frame 1, and a film roll support mechanism 10 is installed on the left side of the support frame 11. Three groups of heat shrink chambers 12 are installed below the support frame 11. The heat shrink chamber 12 is a heating area, which is equipped with a heating element (such as an infrared heating lamp or a hot air circulation system) inside, which is used to make the packaging film shrink when heated and fit tightly to the surface of the article. A sealing and cutting mechanism 14 is arranged between the two heat shrink chambers 12 on the left side, and two mounting frames 16 are installed on the upper right side of the frame 1, and two guide pillars 17 are installed between the two mounting frames 16. A push plate 19 is slidably connected between the two guide pillars 17, and a first cylinder 18 is arranged on the left side of the push plate 19, and the telescopic end of the first cylinder 18 is fixedly connected to the middle part of the left wall of the push plate 19. Three top plates 20 are arranged below the two mounting frames 16, and second cylinders 21 are installed below the three top plates 20, and the telescopic end of the second cylinder 21 is fixedly connected to the lower wall surface of the top plate 20. A material unloading table 22 is arranged on the rightmost side of the frame 1.

[0020] Among them, a protective plate 2 is connected to the left side of the front wall of the frame 1, and the lower wall surface of the protective plate 2 is sprayed with a corrosion-resistant layer. A first electric telescopic rod 13 is installed above the three groups of heat shrink chambers 12, and the telescopic end of the first electric telescopic rod 13 is fixedly connected to the upper wall surface of the adjacent heat shrink chamber 12. There are three heat shrink chambers 12 in each group, and the heat shrink chambers 12 are adapted to the placement groove 9. A second electric telescopic rod 15 is arranged above the sealing and cutting mechanism 14, and the telescopic end of the second electric telescopic rod 15 is connected to the top of the sealing and cutting mechanism 14. The sealing and cutting mechanism 14 includes a cutting blade, and a base 23 is installed below the frame 1, and the lower wall surface of the base 23 is provided with anti-slip patterns, and a cold air blower 24 is installed on the right side of the support frame 11.

[0021] Working principle: the items to be packaged are placed on the placement slot 9 and then sent to the predetermined position through the conveyor belt 8. The film roll support mechanism 10 unfolds the roll film to cover the items to be packaged. The sealing and cutting mechanism 14 forms a closed bag around the items with the packaging film and cuts it off. The packaging film and the items enter the heat shrink chamber 12 together. Under high temperature, the packaging film shrinks due to the heat and tightly wraps the items. Then it is quickly cooled by the cold air fan 24 to fix the shape. The second cylinder 21 is started, and the telescopic end of the second cylinder 21 pushes the top plate 20 upward, and the top plate 20 pushes the product out. Then the first cylinder 18 is started, and the telescopic end of the first cylinder 18 drives the push plate 19 to move, and the push plate 19 pushes the ejected product onto the unloading table 22.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reciprocating heat shrink film packaging machine, comprising a frame (1), characterized in that: A material transfer assembly is arranged inside the frame (1), and the material transfer assembly includes a conveyor belt (8), a rotating shaft (4), a sprocket wheel (5), a chain (6) and a fixed seat sleeve (7). A plurality of placement grooves (9) are evenly arranged on the surface of the conveyor belt (8), and three placement grooves (9) are arranged in each row. The outer sides of both ends of the rotating shaft (4) are fixedly connected to the fixed seat sleeve (7), the chain (6) and the sprocket wheel (5) are meshed, and the fixed seat sleeve (7) is fixedly connected to the middle position of the adjacent sprocket wheel (5). A motor (3) is arranged on the rear side of the frame (1), and the power output end of the motor (3) is fixedly connected to the rotating shaft (4) on the left side. A support frame (11) is arranged in the middle part above the frame (1), and a film roll support mechanism (10) is installed on the left side of the support frame (11). The support frame (11) ) are installed below the frame (1), a sealing and cutting mechanism (14) is arranged between the two heat shrink chambers (12) on the left, two mounting frames (16) are installed on the upper right side of the frame (1), two guide pillars (17) are installed between the two mounting frames (16), a push plate (19) is slidably connected between the two guide pillars (17), a first cylinder (18) is arranged on the left side of the push plate (19), the telescopic end of the first cylinder (18) is fixedly connected to the middle part of the left wall of the push plate (19), three top plates (20) are arranged below the two mounting frames (16), second cylinders (21) are installed below the three top plates (20), the telescopic end of the second cylinder (21) is fixedly connected to the lower wall surface of the top plate (20), and a material unloading platform (22) is arranged on the rightmost side of the frame (1).

2. A reciprocating heat shrink film packaging machine according to claim 1, characterized in that: A protective plate (2) is connected to the left side of the front wall of the frame (1), and a corrosion-resistant layer is sprayed on the lower wall surface of the protective plate (2).

3. The reciprocating heat shrink film packaging machine according to claim 1, characterized in that: A first electric telescopic rod (13) is installed above each of the three groups of heat shrink chambers (12); the telescopic end of the first electric telescopic rod (13) is fixedly connected to the upper wall surface of the adjacent heat shrink chamber (12); each group of the heat shrink chambers (12) is provided with three heat shrink chambers (12); the heat shrink chambers (12) are matched with the placement grooves (9).

4. The reciprocating heat shrink film packaging machine according to claim 1, characterized in that: A second electric telescopic rod (15) is arranged above the sealing and cutting mechanism (14); the telescopic end of the second electric telescopic rod (15) is connected to the top of the sealing and cutting mechanism (14); and the sealing and cutting mechanism (14) comprises a cutting blade.

5. The reciprocating heat shrink film packaging machine according to claim 1, characterized in that: A base (23) is installed below the frame (1), and a lower wall surface of the base (23) is provided with anti-slip patterns. A cooling fan (24) is installed on the right side of the support frame (11).

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