Equipment for film laminating and packaging

Abstract

The equipment comprises a first supporting frame, a packaging assembly, a containing block, a bearing plate and a heating fan, the packaging assembly is arranged on the first supporting frame and comprises a lifting plate, a hot-pressing ring block and an annular cutting knife, the lifting plate is horizontally arranged on the first supporting frame in a sliding mode, and the hot-pressing ring block is arranged on the lifting plate; the hot-pressing ring block and the annular cutting knife are arranged on the bottom face of the lifting plate, the annular cutting knife is arranged outside the hot-pressing ring block, the placing block is arranged below the lifting plate, a bearing plate is arranged on one side of the placing block, the heating fan is arranged on one side of the bearing plate, and a heating air pipe is arranged on the heating fan in a communicating mode. The open end of the heating air pipe faces the bearing plate. The film packaging device has the effect of improving the film packaging quality and sanitation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of film packaging, in particular to a device for film packaging. BACKGROUND

[0002] The cling film is a plastic packaging product, which is commonly used in microwave oven food heating, refrigerator food preservation, fresh food packaging and other occasions. In addition, it is widely used in the field of food packaging in family life, supermarket, hotel and restaurant and industrial production.

[0003] In the prior art, in order to improve the packaging efficiency of the cling film, a cling film packaging machine is generally used for packaging operation. The packaging machine hot-presses the plastic film on the opening of the box body containing food, and simultaneously uses a cutting device to cut the film hot-pressed on the box body, so as to realize the separation of the film.

[0004] For the above-mentioned related technology, the inventor believes that when the film is cut from the edge of the opening of the box body, the edge of the film will exceed the edge of the box body by a certain distance. The extra film will be easy to stick to dust and water in the environment, affecting the hygiene of the box body; on the other hand, the edge of the extra film is easy to scratch others. CONTENT OF THE INVENTION

[0005] In order to improve the quality and hygiene of film packaging, the present application provides a device for film packaging.

[0006] The device for film packaging provided by the present application adopts the following technical scheme:

[0007] A device for film packaging, comprising a first support frame, a packaging assembly, a placement block, a supporting plate and a heating fan, the packaging assembly is arranged on the first support frame, the packaging assembly comprises a lifting plate, a hot-pressing ring block and a ring-shaped cutting knife, the lifting plate is horizontally slidably arranged on the first support frame, a first driving member for driving the lifting plate to move in the vertical direction is arranged on the first support plate, the hot-pressing ring block and the ring-shaped cutting knife are arranged on the bottom surface of the lifting plate, the ring-shaped cutting knife is arranged outside the hot-pressing ring block, the placement block is arranged below the lifting plate, a second driving member for driving the placement block to move in the vertical direction is arranged below the placement block, a supporting plate is arranged on one side of the placement block, the heating fan is arranged on one side of the supporting plate, a heating air pipe is communicatively arranged on the heating fan, and the opening end of the heating air pipe faces the supporting plate.

[0008] By adopting the technical scheme, the box body is placed on the top surface of the placing block, the lifting plate is lowered, the annular cutting knife cuts the film, and the hot-pressing ring block hot-presses and seals the film. After the hot-pressing and cutting are completed, the box body is moved to the supporting plate, the heating fan performs heat shrinkage treatment on the film at the edge of the box body through the heating air pipe, and the edge of the film is processed. Through the cooperation of the first supporting frame, the packaging assembly, the placing block, the supporting plate and the heating fan, the heat shrinkage treatment of the edge of the film is realized, and the quality and hygiene of the film packaging are improved.

[0009] Optionally, the second driving member includes two lifting cylinders, output shafts of the two lifting cylinders are rotationally connected to the bottom surface of the placing block, the supporting plate is located on the extension line of the two lifting cylinders, and a feeding conveyor belt is horizontally arranged on the side of the placing block away from the supporting plate.

[0010] By adopting the technical scheme, when the film cutting of the packaging box is completed, the placing block is rotated to be inclined under the action of the two lifting cylinders, and the packaging box slides to the supporting plate along the inclined placing block. The feeding conveyor belt is arranged to realize automatic feeding of the packaging box.

[0011] Optionally, a second supporting frame is arranged below the placing plate, a rotating shaft is arranged on the second supporting frame, the rotating shaft is rotationally connected to the bottom surface of the supporting plate, and a third driving member for driving the supporting plate to rotate is arranged on the second supporting frame.

[0012] By adopting the technical scheme, the supporting plate drives the packaging box placed thereon to rotate, which facilitates the heat shrinkage treatment of the heating fan on each position of the edge of the top of the packaging box, and helps to improve the processing quality of the edge.

[0013] Optionally, a baffle is vertically arranged at the edge of the supporting plate, and a feeding port is arranged on one side of the supporting plate.

[0014] By adopting the technical scheme, the arrangement of the baffle reduces the possibility of the packaging box falling from the supporting plate when the packaging box is fed from the placing block.

[0015] Optionally, a connecting ring block is arranged on the bottom surface of the lifting plate, the connecting ring block is arranged in the annular cutting knife, a connecting ring groove is formed in the bottom surface of the connecting ring block in the circumferential direction, a sliding ring block is connected to the top surface of the hot-pressing ring block in the circumferential direction, the top of the sliding ring block is slidingly arranged in the connecting ring groove, an elastic member is arranged between the hot-pressing ring block and the connecting ring block, and in a natural state, the bottom surface of the heating ring block is flush with the bottom edge of the annular cutting knife under the action of the elastic member.

[0016] By adopting the technical scheme, the elastic member is arranged to reduce the possibility of damage of the top of the packaging box due to excessive pressure during hot pressing.

[0017] Optionally, a placement groove is formed in the top surface of the placement block, the placement groove penetrates through the opposite ends of the placement block, the opposite ends of the placement groove correspond to the feeding conveyor belt and the supporting plate respectively, and a plug-in cutter groove corresponding to the annular cutter is formed in the top surface of the placement block on the two sides of the placement groove.

[0018] By adopting the technical scheme, the placement groove is arranged to guide the movement of the packaging box body, so that the packaging box body can accurately fall onto the supporting plate.

[0019] Optionally, a discharging push plate is vertically slidably arranged on the top surface of the supporting plate, one side of the discharging push plate is correspondingly arranged towards the feeding opening, the supporting plate is provided with a fourth driving member for driving the discharging push plate to move close to or away from the feeding opening, and one side of the second supporting frame is provided with a discharging conveyor belt.

[0020] By adopting the technical scheme, after the edge of the film is processed, the supporting plate is rotated to correspond to the feeding opening and the discharging conveyor belt. The discharging push plate pushes the packaging box onto the discharging conveyor belt under the action of the fourth driving member, so as to realize automatic discharging of the packaging box.

[0021] Optionally, first side plates are arranged on opposite sides of the feeding conveyor belt along the length direction of the feeding conveyor belt, a guide plate is arranged on the side of each first side plate close to the placement block, one guide plate is arranged on each of the two first side plates close to each other, and the distance between the two guide plates decreases along the direction close to the placement block.

[0022] By adopting the technical scheme, the first side plates are arranged to reduce the possibility of the packaging box falling off the feeding conveyor belt. The guide plates guide the box body to accurately fall onto the top surface of the placement block.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By the cooperation of the first supporting frame, the packaging assembly, the placement block, the supporting plate and the heating fan, the heat shrinkage treatment of the edge of the film is realized, which improves the quality and hygiene of the film packaging.

[0025] 2. The elastic member is arranged to reduce the possibility of damage of the top of the packaging box due to excessive pressure during hot pressing.

[0026] 3. The first side plates are arranged to reduce the possibility of the packaging box falling off the feeding conveyor belt. The guide plates guide the box body to accurately fall onto the top surface of the placement block. Attached Figure Description

[0027] Figure 1 This is a schematic diagram illustrating the structure of an apparatus for film coating packaging according to an embodiment of this application.

[0028] Figure 2 This is a partial cross-sectional view used to illustrate the packaging component in the embodiments of this application.

[0029] Figure 3 yes Figure 2 Enlarged view of part A in the middle.

[0030] Figure 4 This is a schematic diagram illustrating the structure of the lifting cylinder in the embodiments of this application.

[0031] Explanation of reference numerals in the attached drawings: 1. First support frame; 101. First top plate; 102. First support rod; 2. Packaging assembly; 21. Packaging cylinder; 22. Lifting plate; 23. Circular cutting blade; 24. Hot pressing ring block; 25. Sliding ring block; 26. Connecting ring block; 27. Abutment spring; 28. Connecting ring groove; 29. ​​Mounting edge; 3. Placement block; 31. Placement groove; 32. Insertion knife groove; 4. Second support frame; 5. Feeding conveyor belt; 51. First side plate; 52. Guide plate; 6. Unloading conveyor belt; 7. Lifting cylinder; 8. Buffer pad; 9. Baffle; 10. Feeding port; 11. Unloading push plate; 12. Heating fan; 13. Heating air duct; 14. Guide roller; 15. Support plate. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1-4 This application will be further described in detail below. Embodiments of this application provide an apparatus for film-coated packaging, which improves the quality and hygiene of the film packaging.

[0033] Reference Figure 1 An apparatus for film-coated packaging includes a first support frame 1, a packaging component 2, a placement block 3, a second support frame 4, a feeding conveyor belt 5, and a discharging conveyor belt 6. The first support frame 1 includes a first top plate 101 and a plurality of first support rods 102 vertically arranged on its bottom surface, and the packaging component 2 is disposed on the first top plate 101.

[0034] Reference Figures 1-3The packaging assembly 2 comprises a packaging cylinder 21, a lifting plate 22, a ring-shaped cutting knife 23, a hot-pressing ring block 24, a sliding ring block 25, a connecting ring block 26 and an abutting spring 27. The lifting plate 22 is horizontally arranged below the first top plate 101, and the packaging cylinder 21 is arranged on the top surface of the first top plate 101. The output shaft of the packaging cylinder 21 extends downward and is drivingly connected with the lifting plate 22. The ring-shaped cutting knife 23 is arranged on the bottom surface of the lifting plate 22, and the connecting ring block 26 is arranged in the interior of the ring-shaped cutting knife 23 and connected with the bottom surface of the lifting plate 22. The bottom surface of the connecting ring block 26 is provided with a connecting ring groove 28 along the circumference, the top of the sliding ring block 25 is slidingly arranged in the connecting ring groove 28, and the bottom surface of the sliding ring block 25 is connected with the hot-pressing ring block 24. An installation extension edge 29 is arranged on the outer ring wall of the top of the connecting ring block 26, and the abutting spring 27 is connected between the installation extension edge 29 and the hot-pressing ring block 24. In the natural state, the bottom surface of the hot-pressing ring block 24 is flush with the bottom edge of the ring-shaped cutting knife 23 under the action of the abutting spring 27.

[0035] With reference to Figure 1 , Figure 2 and Figure 4 , the placing block 3 is arranged below the lifting plate 22, the feeding conveying belt 5 and the second support frame 4 are arranged on the opposite sides of the placing block 3 respectively, and the height of the feeding conveying belt 5 is higher than that of the second support frame 4. Two lifting cylinders 7 are arranged below the placing block 3, the output shaft of each lifting cylinder 7 extends vertically upward and is drivingly connected with the bottom surface of the placing block 3, and the connecting lines of the two lifting cylinders 7 are arranged correspondingly to the second support frame 4 and the feeding conveying belt 5 respectively. One first side plate 51 is arranged along the length direction of the feeding conveying belt 5 on each side of the feeding conveying belt 5, one guide plate 52 is connected with each first side plate 51 near one end of the first side plate 51, the two guide plates 52 are arranged on one of the two first side plates 51, and the distance between the two guide plates 52 gradually decreases along the direction close to the placing block 3.

[0036] With reference to Figure 2 and Figure 3 , the placing block 3 is arranged below the lifting plate 22, the feeding conveying belt 5 and the second support frame 4 are arranged on the opposite sides of the placing block 3 respectively, and the height of the feeding conveying belt 5 is higher than that of the second support frame 4. Two lifting cylinders 7 are arranged below the placing block 3, the output shaft of each lifting cylinder 7 extends vertically upward and is drivingly connected with the bottom surface of the placing block 3, and the connecting lines of the two lifting cylinders 7 are arranged correspondingly to the second support frame 4 and the feeding conveying belt 5 respectively. One first side plate 51 is arranged along the length direction of the feeding conveying belt 5 on each side of the feeding conveying belt 5, one guide plate 52 is connected with each first side plate 51 near one end of the first side plate 51, the two guide plates 52 are arranged on one of the two first side plates 51, and the distance between the two guide plates 52 gradually decreases along the direction close to the placing block 3.

[0037] With reference to Figure 1The top surface of the second support frame 4 is vertically provided with a rotating shaft, the top end of the rotating shaft is rotationally provided with a supporting plate 15, the second support frame 4 is provided with a driving member for driving the supporting plate 15 to rotate, and the driving member adopted in the application is a motor, a gear and a gear ring matched with each other. The edge of the supporting plate 15 is fixedly provided with three baffles 9, and one side of the supporting plate 15 is provided with a feeding port 10. The top surface of the supporting plate 15 is slidably provided with a discharging push plate 11, and one side of the discharging push plate 11 is arranged towards the feeding port 10. The supporting plate 15 is provided with a driving member for driving the discharging push plate 11 to move towards or away from the feeding port 10, and the driving member adopted in the application is a pneumatic cylinder. The second support frame 4 is provided with a heating fan 12, and the heating fan 12 is communicatively provided with a heating air pipe 13, and the end of the heating air pipe 13 away from the heating fan 12 is arranged towards the supporting plate 15.

[0038] With reference to Figure 1 One side of the second support frame 4 is provided with a discharging conveying belt 6, and one end of the discharging conveying belt 6 is arranged corresponding to the second support frame 4. The first support frame 1 is provided with two guide rollers 14 in parallel, and the setting height of the guide rollers 14 is located between the annular cutting knife 23 and the placing block 3.

[0039] With reference to Figure 1 and Figure 2 When the film is laminated on the opening of the box body, the film passes between the placing block 3 and the packaging assembly 2 under the guidance of the two guide rollers 14. The feeding conveying belt 5 carries the box body to be sealed to the placing groove 31 of the placing block 3, and the setting of the first side plate 51 reduces the possibility of the box body falling off the feeding conveying belt 5 during the carrying process. The setting of the guide plate 52 guides the box body to accurately fall into the placing groove 31.

[0040] With reference to Figures 1-3 During the laminating process, the lifting pneumatic cylinder 7 and the packaging pneumatic cylinder 21 are started at the same time, the placing block 3 moves upward, and the lifting plate 22 moves downward. The heat pressing ring block 24 contacts the edge of the box body, and the film is heat pressed and connected to the opening of the box body. The sliding ring block 25 slides in the connecting ring groove 28, and the abutting spring 27 is compressed. The annular cutting knife 23 moves downward and is embedded in the insertion knife groove 32, so that the film is cut. The setting of the abutting spring 27 reduces the possibility of damage to the box body due to excessive pressure. The setting of the buffer pad 8 reduces the possibility of damage to the annular cutting knife 23 after long-term use.

[0041] With reference to Figures 2-4After the hot-pressing and cutting, the lifting cylinder 7 is lowered, and the two lifting cylinder 7 output shafts are retracted to different degrees, so that the placing block 3 is tilted, and the box body falls onto the supporting plate 15 along the placing groove 31 through the feeding opening 10. The setting of the baffle 9 reduces the possibility of the box body falling off the supporting plate 15, the driving member drives the supporting plate 15 to rotate, the heating fan 12 blows hot air through the heating air pipe 13, the excess edge of the film shrinks under the heat, and the edge treatment is realized. After the treatment of the film edge is completed, the supporting plate 15 is rotated to the direction corresponding to the feeding opening 10 and the discharging conveying belt 6, and the discharging push plate 11 pushes the box body from the supporting plate 15 onto the discharging conveying belt 6 under the driving action of the driving member, so that the automatic discharging of the box body is realized.

[0042] In the embodiment of the present application, the implementation principle of the equipment for film covering and packaging is that the feeding conveying belt 5 carries the box body to be sealed to the placing block 3. During the film covering process, the placing block 3 moves upward, and the lifting plate 22 moves downward. The hot-pressing ring block 24 contacts the edge of the box body, and the film is hot-pressed and connected at the opening of the box body. The annular cutting knife 23 moves downward and is embedded in the plug-in knife groove 32, so that the cutting of the film is realized.

[0043] After the hot-pressing and cutting, the box body falls onto the supporting plate 15 through the feeding opening 10. The heating fan 12 blows hot air through the heating air pipe 13, the excess edge of the film shrinks under the heat, and the edge treatment is realized. After the treatment of the film edge is completed, the box body is pushed from the supporting plate 15 onto the discharging conveying belt 6, so that the automatic discharging of the box body is realized.

[0044] The above are the preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An apparatus for film coating packaging, characterized in that: The package includes a first support frame (1), a packaging assembly (2), a placement block (3), a support plate (15), and a heating fan (12). The packaging assembly (2) is mounted on the first support frame (1). The packaging assembly (2) includes a lifting plate (22), a hot-pressing ring block (24), and a ring-shaped cutting blade (23). The lifting plate (22) is horizontally slidably mounted on the first support frame (1). The first support frame (1) is provided with a first driving member for driving the lifting plate (22) to move vertically. The hot-pressing ring block (24) and the ring-shaped cutting blade (23) are also included. The ring-shaped cutting blade (23) is located on the bottom surface of the lifting plate (22), and the hot pressing ring block (24) is located outside the ring block (24). The placement block (3) is located below the lifting plate (22). A second driving member for driving the placement block (3) to move vertically is located below the placement block (3). A support plate (15) is located on one side of the placement block (3). The heating fan (12) is located on one side of the support plate (15). A heating air pipe (13) is connected to the heating fan (12). The open end of the heating air pipe (13) faces the support plate (15).

2. The device for film coating packaging according to claim 1, characterized in that: The second driving component includes two lifting cylinders (7), the output shafts of the two lifting cylinders (7) are rotatably connected to the bottom surface of the placement block (3), the support plate (15) is located on the extension line of the line connecting the two lifting cylinders (7), and a feeding conveyor belt (5) is horizontally arranged on the side of the placement block (3) away from the support plate (15), and the height of the support plate (15) is lower than the height of the feeding conveyor belt (5).

3. The device for film coating packaging according to claim 2, characterized in that: A second support frame (4) is provided below the support plate (15). A rotating shaft is provided on the second support frame (4). The rotating shaft is rotatably connected to the bottom surface of the support plate (15). A third driving component for driving the support plate (15) to rotate is provided on the second support frame (4).

4. The device for film coating packaging according to claim 3, characterized in that: The support plate (15) has a vertical baffle (9) on its edge, and a feeding port (10) is provided on one side of the support plate (15).

5. The device for film coating packaging according to claim 2, characterized in that: A connecting ring block (26) is provided on the bottom surface of the lifting plate (22). The connecting ring block (26) is located inside the annular cutting blade (23). A connecting ring groove (28) is provided on the bottom surface of the connecting ring block (26) along the circumferential direction. A sliding ring block (25) is connected to the top surface of the hot pressing ring block (24) along the circumferential direction. The top of the sliding ring block (25) is slidably disposed in the connecting ring groove (28). An elastic element is provided between the hot pressing ring block (24) and the connecting ring block (26). In its natural state, the bottom surface of the hot pressing ring block (24) is flush with the bottom edge of the annular cutting blade (23) under the action of the elastic element.

6. The device for film coating packaging according to claim 5, characterized in that: The top surface of the placement block (3) is provided with a placement groove (31), which passes through the two opposite ends of the placement block (3). The two opposite ends of the placement groove (31) correspond one-to-one with the feeding conveyor belt (5) and the support plate (15). The top surface of the placement block (3) on both sides of the placement groove (31) is provided with a connecting knife groove (32) corresponding to the annular cutting knife (23).

7. The device for film coating packaging according to claim 4, characterized in that: A feeding pusher plate (11) is vertically slidably arranged on the top surface of the support plate (15). One side of the feeding pusher plate (11) is arranged facing the feeding port (10). A fourth driving member is provided on the support plate (15) for driving the feeding pusher plate (11) to move closer to or away from the feeding port (10). A feeding conveyor belt (6) is provided on one side of the second support frame (4).

8. The device for film coating packaging according to claim 2, characterized in that: The feeding conveyor belt (5) has a first side plate (51) on both sides opposite to each other in the width direction along its length direction. A guide plate (52) is provided on the side of the first side plate (51) close to the placement block (3). There is one guide plate (52) on each side of the two first side plates (51) close to each other. The distance between the two guide plates (52) decreases along the direction close to the placement block (3).

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