Sandwich packaging machine

Abstract

The utility model relates to the technical field of food packaging, in particular to a sandwich packaging machine which comprises a machine body, the machine body is provided with a lifting type hot pressing assembly, a film cylinder roller, a conveying mechanism, a containing frame and a material collecting roller, and the lifting type hot pressing assembly is provided with a feeding end and a discharging end; the film cylinder roller and the material receiving roller are both rotationally borne on the machine body, the film cylinder roller is arranged on one side of the feeding end of the lifting type hot-pressing assembly and used for containing a winding drum wound with a film, and the material receiving roller is arranged on one side of the discharging end of the lifting type hot-pressing assembly and used for containing a winding drum wound with a film. The material collecting roller is used for containing a winding drum wound with waste, the conveying mechanism is used for conveying a film, and the containing frame is arranged below the lifting type hot pressing assembly in a sliding mode. The packaging box film sealing device has the beneficial effect that the packaging box film sealing efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of food packaging, and in particular to a sandwich packaging machine. Background Art

[0002] Sandwich is a typical Western food, made of two slices of bread with a few slices of meat and various condiments such as cheese and condensed milk. It is easy to eat and widely popular in Western countries. As people's lives become more and more diversified, the types of sandwiches are becoming more and more diverse, and the storage methods have also been improved to a certain extent, making sandwiches have a certain shelf life, which is convenient for busy people such as office workers to enjoy.

[0003] There are many ways to package sandwiches. In order to show the quality of the sandwiches and better maintain the appearance of the sandwiches, they are usually stored in boxes. The specific operation method is to manually put the prepared sandwiches into an open packaging box, then seal the opening of the box with a film, and then sell it to consumers.

[0004] The above-mentioned prior art solutions have the following defects: manually sealing the packaging boxes one by one is time-consuming and labor-intensive, and the sealing efficiency is low, so there is room for improvement. Utility Model Content

[0005] In order to improve the sealing efficiency of packaging boxes, the present application provides a sandwich packaging machine.

[0006] The sandwich packaging machine provided in this application adopts the following technical solution:

[0007] A sandwich packaging machine comprises a machine body, on which a lifting hot pressing assembly, a film tube roller, a conveying mechanism, a placement rack and a receiving roller are arranged, the lifting hot pressing assembly is provided with a feeding end and a discharging end, the film tube roller and the receiving roller are both rotatably carried on the machine body, the film tube roller is arranged on the feeding end side of the lifting hot pressing assembly, the film tube roller is used to place a roll with film wound thereon, the receiving roller is arranged on the discharging end side of the lifting hot pressing assembly, the receiving roller is used to place a roll with waste material wound thereon, the conveying mechanism is used to realize the conveyance of the film, and the placement rack is slidably arranged below the lifting hot pressing assembly.

[0008] By adopting the above technical solution, when it is necessary to package the packaging box containing the sandwiches, the operator places the packaging box on the placement rack, the placement rack slides to the bottom of the lifting hot pressing part, the film is wound from the film tube roller through the bottom of the lifting hot pressing component, and the lifting hot pressing component heat-melts the film at the opening of the box body of the packaging box, and the remaining film waste is wound on the reel on the receiving roller. The occurrence of manual operation is reduced in the whole process, and the film sealing efficiency of the packaging box is improved.

[0009] Preferably, the conveying mechanism includes a driving motor and a conducting roller, the driving motor is mounted on the machine body, the conducting roller is rotatably carried on the machine body, the film on the film tube roller is wound around the conducting roller and then around the receiving roller, and the driving motor is used to drive the film tube roller and the receiving roller to rotate.

[0010] By adopting the above technical solution, the driving motor drives the film tube roller and the receiving roller to rotate, so that the film on the film tube roller can be transported through the conductive roller and then wound around the receiving roller, thereby realizing the transportation of the film. The conductive roller plays a tensioning and guiding role, which is beneficial to the transportation of the film.

[0011] Preferably, the placement rack comprises a placement frame and a connecting rod, wherein the connecting rod is fixed to the bottom of the placement frame, a control cylinder is fixed on the machine body, and a piston rod of the control cylinder is fixedly connected to the connecting rod.

[0012] By adopting the above technical solution, when the packaging box needs to be packaged, the operator places the packaging box on the placement frame, controls the cylinder to drive the connecting rod to move, and the movement of the connecting rod drives the placement frame to move to the bottom of the lifting hot pressing component. The lifting hot pressing component heat-melts the film on the packaging box. After the heat melting is completed, the control cylinder drives the placement frame to return to its original position, which is convenient for the operator to place and take the packaging box.

[0013] Preferably, the lifting hot pressing assembly includes a power cylinder and a hot pressing plate, the power cylinder is fixed on the machine body, the hot pressing plate is fixedly connected to the piston rod of the power cylinder, the hot pressing plate abuts against the side wall of the film, and the placement frame is located below the hot pressing plate.

[0014] By adopting the above technical solution, when the packaging box needs to be packaged, the control cylinder drives the placement rack to move to the bottom of the hot pressing plate, and the power cylinder drives the hot pressing plate to move close to the packaging box and abut against the packaging box, so that the film under the hot pressing plate is heat-melted on the packaging box. After the heat melting is completed, the power cylinder drives the hot pressing plate to rise and move away from the packaging box. The degree of automation is high, and the production efficiency is improved.

[0015] Preferably, the machine body is also provided with an ejection mechanism, which includes a driving cylinder and an ejection block, the driving cylinder is fixed on the machine body, the ejection block is fixedly connected to the piston rod of the driving cylinder, the ejection block is located below the placement frame, and the ejection block is used to eject the packaging box.

[0016] By adopting the above technical solution, the air cylinder drives the ejection block to rise and fall, thereby ejecting the packaging box, making it convenient for operators to take the packaged packaging box.

[0017] Preferably, a residual film sensing mechanism is provided on the machine body, and the residual film sensing mechanism includes a mounting frame, a sensor and an alarm. A controller is fixed on the machine body, the mounting frame and the alarm are fixed on the machine body, the sensor is fixed on the mounting frame, and the sensor and the alarm are electrically connected to the controller.

[0018] By adopting the above technical solution, the sensor senses the distance between itself and the film on the film roller in real time, and sends the distance signal to the controller. The controller analyzes and processes the distance signal in real time. When the controller determines that the distance between the sensor and the film on the film roller is greater than a certain threshold, the controller controls the alarm to sound an alarm, thereby reminding the operator to replenish the film on the film roller, which plays a monitoring role.

[0019] Preferably, a length rod is provided on the machine body, one end of the length rod is fixedly connected to the machine body, the other end of the length rod extends toward the outside of the machine body, and the film cylinder roller is rotatably supported on the end of the length rod away from the machine body.

[0020] By adopting the above technical solution, the length rod extends the distance from the film drum roller to the lifting hot pressing assembly, which helps to smoothly transport and reduce the occurrence of film getting stuck.

[0021] Preferably, the length rod is provided with an auxiliary clamping rod, and two auxiliary clamping rods are provided. The two auxiliary clamping rods are vertically fixed to the length rod, and the two auxiliary clamping rods are used to clamp the film together.

[0022] By adopting the above technical solution, the auxiliary clamping rod cooperates with the conductive roller to guide the film, so that the film is not easy to sag and makes the film smoother.

[0023] Preferably, a limiting groove is provided on the placement frame, and protective glue is provided on the edge of the limiting groove.

[0024] By adopting the above technical solution, the limiting groove plays a role of limiting and fixing the packaging box, so that the placement of the packaging box is more stable, and the protective glue plays a role of buffering and protecting the packaging box.

[0025] To summarize, the present application includes at least one of the following beneficial technical effects: when it is necessary to package the packaging box containing the sandwiches, the operator places the packaging box on the placement rack, the placement rack slides to the bottom of the lifting hot pressing component, the film is wound from the film tube roller through the bottom of the lifting hot pressing component, and after the lifting hot pressing component heat-melts the film at the opening of the box body of the packaging box, the remaining film waste is wound on the reel on the receiving roller. The occurrence of manual operation is reduced in the whole process, and the film sealing efficiency of the packaging box is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the sandwich packaging machine according to an embodiment of the present application.

[0027] Figure 2 It is a schematic diagram of the overall structure of the sandwich packaging machine of the embodiment of the present application from another perspective.

[0028] Explanation of the reference numerals in the accompanying drawings: 1. Machine body; 2. Hot pressing plate; 3. Film tube roller; 4. Conveying mechanism; 41. Driving motor; 42. Conducting roller; 5. Placing rack; 51. Placing frame; 52. Connecting rod; 6. Receiving roller; 7. Feed end; 8. Discharging end; 9. Control cylinder; 10. Opening; 11. Limiting groove; 12. Protective glue; 13. Controller; 14. Ejection mechanism; 141. Driving cylinder; 142. Ejection block; 15. Residual film sensing mechanism; 151. Mounting rack; 152. Sensor; 153. Alarm; 16. Length rod; 17. Auxiliary clamping rod. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The present application embodiment discloses a sandwich packaging machine. Figure 1 and Figure 2 A sandwich packaging machine includes a machine body 1, on which a lifting hot pressing assembly, a film cylinder roller 3, a conveying mechanism 4, a placing frame 5 and a receiving roller 6 are arranged. The lifting hot pressing assembly is used to heat-melt the film at the box opening 10 of the packaging box to seal the packaging box. The film cylinder roller 3 and the receiving roller 6 are both rotatably carried on the machine body 1, and the film cylinder roller 3 and the receiving roller 6 are both arranged horizontally. The lifting hot pressing assembly is located between the film cylinder roller 3 and the receiving roller 6, and the placing frame 5 is slidably arranged below the lifting hot pressing assembly. The lifting hot pressing assembly is provided with a feed end 7 and a discharge end 8. The film cylinder roller 3 is arranged on one side of the feed end 7 of the lifting hot pressing assembly. The film cylinder roller 3 is used to place a roll wound with a film, and the receiving roller 6 is arranged on one side of the discharge end 8 of the lifting hot pressing assembly. The receiving roller 6 is used to place a roll wound with waste. The conveying mechanism 4 drives the film cylinder roller 3 and the receiving roller 6 to rotate to realize the conveying of the film. During processing, the film is wound from the film tube roller 3 through the bottom of the lifting hot pressing assembly. After the lifting hot pressing assembly heat-melts the film at the box opening 10 of the packaging box, the remaining film waste is wound on the reel on the receiving roller 6.

[0031] Further, the placement frame 5 includes a placement frame 51 and a connecting rod 52, the placement frame 51 is horizontally arranged, the connecting rod 52 is fixed to the bottom of the placement frame 51, and the connecting rod 52 is vertically fixed to the placement frame 51. A control cylinder 9 is fixed to the machine body 1, the control cylinder 9 is horizontally arranged, and the piston rod of the control cylinder 9 is vertically fixed to the connecting rod 52. Two side-by-side openings 10 are provided on the placement frame 51. When it is necessary to package the packaging box, two packaging boxes are placed corresponding to the openings 10 of the placement frame 51 respectively, the control cylinder 9 is operated, the piston rod of the control cylinder 9 drives the connecting rod 52 to move horizontally, and the horizontal movement of the connecting rod 52 drives the placement frame 51 to move horizontally. When the placement frame 51 moves to the bottom of the lifting hot pressing assembly, the control cylinder 9 stops operating, and when the lifting hot pressing assembly is waiting for the film to be hot-melted on the packaging box body, the control cylinder 9 drives the placement frame 51 to leave the bottom of the lifting hot pressing assembly and return to its original position.

[0032] On the other hand, a limiting groove 11 is provided on the placement frame 51, and the limiting groove 11 is arranged around the opening 10 on the placement frame 51. Two limiting grooves 11 are arranged corresponding to the number of openings 10 on the placement frame 51, and the limiting groove 11 is arranged in a square ring shape, and a protective glue 12 is arranged on the edge of the limiting groove 11. When the packaging box is placed on the placement frame 51, the edge of the packaging box will be stuck in the limiting groove 11, and the edge side wall of the packaging box will abut against the groove wall of the limiting groove 11. The limiting groove 11 plays a role of limiting and fixing the packaging box, making the placement of the packaging box more stable, and the protective glue 12 plays a role of buffering and protecting the packaging box.

[0033] Furthermore, the lifting hot pressing assembly includes a power cylinder and a hot pressing plate 2. The power cylinder is fixed on the machine body 1, and the power cylinder is vertically arranged. The hot pressing plate 2 is fixedly connected to the piston rod of the power cylinder. The hot pressing plate 2 is located below the power cylinder. The film passes through the bottom of the hot pressing plate 2 and abuts against the hot pressing plate 2. The placement frame 51 is located below the hot pressing plate 2. When the packaging box moves to the bottom of the hot pressing plate 2, the power cylinder operates, and the piston rod of the power cylinder drives the hot pressing plate 2 to move close to the packaging box and abut against the packaging box, so that the film below the hot pressing plate 2 is hot-melted on the packaging box. After the hot melting is completed, the power cylinder drives the hot pressing plate 2 to rise away from the packaging box.

[0034] Specifically, the conveying mechanism 4 includes a driving motor 41 and a conductive roller 42. The driving motor 41 is installed on the machine body 1. There are two driving motors 41. The output shaft of one driving motor 41 is fixedly connected to the film tube roller 3 to drive the film tube roller 3 to rotate. The other driving motor 41 is fixedly connected to the receiving roller 6 to drive the receiving roller 6 to rotate. The film tube roller 3 and the receiving roller 6 rotate synchronously. The conductive roller 42 is rotatably carried on the machine body 1. There are multiple conductive rollers 42. The multiple conductive rollers 42 are arranged horizontally and spaced apart. The multiple conductive rollers 42 are arranged parallel to the film tube roller 3. The film on the film tube roller 3 is wound around several conductive rollers 42, passes through the bottom of the hot pressing plate 2, and is wound around the receiving roller 6. The conductive roller 42 plays a guiding and tensioning role on the film. A controller 13 and a cursor sensor 152 are fixed on the body 1. Black cursors are set on both sides of the film. The cursor sensor 152 is used to sense the black cursors on both sides of the film. When the cursor sensor 152 senses the cursor, it will send a cursor signal to the controller 13. The controller 13 analyzes and processes the cursor signal and sends a control signal to the drive motor 41, thereby controlling the drive motor 41 to rotate a certain angle. At this time, the film is just transported the distance of a workstation. After the film completes the sealing of two packaging boxes, it can continue to seal the subsequent packaging boxes, so that the film can continuously seal the packaging boxes.

[0035] In addition, the machine body 1 is also provided with an ejection mechanism 14, which includes a driving cylinder 141 and an ejection block 142. The driving cylinder 141 is fixed on the machine body 1, and the driving cylinder 141 is vertically arranged. The driving cylinder 141 is provided with two openings 10 of the placement frame 51, and two ejection blocks 142 are provided correspondingly. The two ejection blocks 142 are respectively fixedly connected to the piston rods of the two driving cylinders 141, and the two ejection blocks 142 are respectively located directly below the two openings 10 of the placement frame 51. The ejection blocks 142 are used to eject the packaging box. When the placement frame 51 slides to the bottom of the hot pressing plate 2 and returns to its original position, the driving cylinder 141 drives the ejection block 142 to rise and eject the packaging box, and then the driving cylinder 141 drives the ejection block 142 to descend and return to its original position, so that the operator can take the packaged packaging box easily.

[0036] Furthermore, a residual film sensing mechanism 15 is provided on the machine body 1, and the residual film sensing mechanism 15 includes a mounting frame 151, a sensor 152 and an alarm 153. The mounting frame 151 and the alarm 153 are fixed on the machine body 1, the mounting frame 151 is fixed vertically to the machine body 1, the mounting frame 151 is located on one side of the film cylinder roller 3, the sensor 152 is fixed on the mounting frame 151, and the sensor 152 is located above the film cylinder roller 3. The sensor 152 adopts a distance sensor 152, and the sensor 152 and the alarm 153 are both electrically connected to the controller 13. The sensor 152 senses the distance between itself and the film on the film cylinder roller 3 in real time, and sends the distance signal to the controller 13, and the controller 13 analyzes and processes the distance signal in real time. When the controller 13 determines that the distance between the sensor 152 and the film on the film cylinder roller 3 is greater than a certain threshold, the controller 13 controls the alarm 153 to sound an alarm, thereby reminding the operator to replenish the film on the film cylinder roller 3, which plays a monitoring role.

[0037] Furthermore, a length rod 16 is provided on the machine body 1. The length rod 16 is horizontally arranged and located on one side of the feed end 7. One end of the length rod 16 is fixedly connected to the machine body 1, and the other end of the length rod 16 extends toward the outside of the machine body 1. The film tube roller 3 is rotatably carried on the end of the length rod 16 away from the machine body 1. An auxiliary clamping rod 17 is provided on the length rod 16. There are two auxiliary clamping rods 17. The two auxiliary clamping rods 17 are horizontally arranged and vertically fixed to the length rod 16. The two auxiliary clamping rods 17 clamp the film together, and the film can still move between the two auxiliary clamping rods 17. The length rod 16 extends the distance from the film tube roller 3 to the lifting hot pressing assembly, which helps to smoothly transport and reduce the occurrence of the film being stuck. The auxiliary clamping rod 17 cooperates with the conductive roller 42 to guide the film, so that the film is not easy to sag and makes the film smoother.

[0038] The implementation principle of a sandwich packaging machine in the embodiment of the present application is:

[0039] When the packaging box needs to be packaged, two packaging boxes are placed corresponding to the openings 10 of the placement frame 51, and the control cylinder 9 is operated. The piston rod of the control cylinder 9 drives the connecting rod 52 to move horizontally, and the horizontal movement of the connecting rod 52 drives the placement frame 51 to move horizontally. When the packaging box moves to the bottom of the hot press plate 2, the power cylinder is operated, and the piston rod of the power cylinder drives the hot press plate 2 to move close to the packaging box and abut against the packaging box, so that the film under the hot press plate 2 is hot-melted on the packaging box. After the hot melting is completed, the power cylinder drives the hot press plate 2 to rise away from the packaging box. At this time, the driving motor 41 rotates a certain angle, and the film is just transported to the distance of one station, so as to package the subsequent packaging boxes. At the same time, the control cylinder 9 drives the placement frame 51 to leave the bottom of the hot press plate 2 and return to its original position. After the placement frame 51 returns to its original position, the driving cylinder 141 drives the ejection block 142 to rise and eject the packaging box, and then the driving cylinder 141 drives the ejection block 142 to descend back to its original position, so that the operator can take the packaged packaging box.

[0040] During the processing, the sensor 152 senses the distance between itself and the film on the film tube roller 3 in real time, and sends the distance signal to the controller 13. The controller 13 analyzes and processes the distance signal in real time. When the controller 13 determines that the distance between the sensor 152 and the film on the film tube roller 3 is greater than a certain threshold, the controller 13 controls the alarm 153 to sound an alarm, thereby reminding the operator to replenish the film on the film tube roller 3, thereby playing a monitoring role.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sandwich packaging machine, characterized in that: The invention comprises a machine body (1), on which a lifting hot pressing assembly, a film tube roller (3), a conveying mechanism (4), a placement rack (5) and a receiving roller (6) are arranged. The lifting hot pressing assembly is provided with a feeding end (7) and a discharging end (8). The film tube roller (3) and the receiving roller (6) are both rotatably supported on the machine body (1). The film tube roller (3) is arranged on the feeding end (7) side of the lifting hot pressing assembly. The film tube roller (3) is used to place a roll wound with a film. The receiving roller (6) is arranged on the discharging end (8) side of the lifting hot pressing assembly. The receiving roller (6) is used to place a roll wound with waste material. The conveying mechanism (4) is used to realize the conveying of the film. The placement rack (5) is slidably arranged below the lifting hot pressing assembly.

2. A sandwich packaging machine according to claim 1, characterized in that: The conveying mechanism (4) comprises a driving motor (41) and a conducting roller (42), wherein the driving motor (41) is mounted on the machine body (1), and the conducting roller (42) is rotatably supported on the machine body (1). The film on the film tube roller (3) is wound around the conducting roller (42) and then around the receiving roller (6), and the driving motor (41) is used to drive the film tube roller (3) and the receiving roller (6) to rotate.

3. A sandwich packaging machine according to claim 1, characterized in that: The placement rack (5) comprises a placement frame (51) and a connecting rod (52), wherein the connecting rod (52) is fixed to the bottom of the placement frame (51), and a control cylinder (9) is fixed on the machine body (1), wherein a piston rod of the control cylinder (9) is fixedly connected to the connecting rod (52).

4. A sandwich packaging machine according to claim 3, characterized in that: The lifting hot pressing assembly comprises a power cylinder and a hot pressing plate (2), wherein the power cylinder is fixed on the machine body (1), the hot pressing plate (2) is fixedly connected to the piston rod of the power cylinder, the hot pressing plate (2) abuts against the side wall of the film, and the placement frame (51) is located below the hot pressing plate (2).

5. The sandwich packaging machine according to claim 3, characterized in that: The machine body (1) is also provided with an ejection mechanism (14), the ejection mechanism (14) comprising a driving cylinder (141) and an ejection block (142), the driving cylinder (141) being fixed on the machine body (1), the ejection block (142) being fixedly connected to a piston rod of the driving cylinder (141), the ejection block (142) being located below the placement frame (51), and the ejection block (142) being used to eject the packaging box.

6. A sandwich packaging machine according to claim 1, characterized in that: The machine body (1) is provided with a residual film sensing mechanism (15), and the residual film sensing mechanism (15) comprises a mounting frame (151), a sensor (152) and an alarm (153); a controller (13) is fixed on the machine body (1); the mounting frame (151) and the alarm (153) are fixed on the machine body (1); the sensor (152) is fixed on the mounting frame (151); and the sensor (152) and the alarm (153) are both electrically connected to the controller (13).

7. The sandwich packaging machine according to claim 1, characterized in that: The machine body (1) is provided with a length rod (16), one end of the length rod (16) is fixedly connected to the machine body (1), and the other end of the length rod (16) extends toward the outside of the machine body (1), and the film tube roller (3) is rotatably supported on the end of the length rod (16) away from the machine body (1).

8. A sandwich packaging machine according to claim 7, characterized in that: The length rod (16) is provided with an auxiliary clamping rod (17), and two auxiliary clamping rods (17) are provided. The two auxiliary clamping rods (17) are vertically fixed to the length rod (16), and the two auxiliary clamping rods (17) are used to clamp the film together.

9. The sandwich packaging machine according to claim 3, characterized in that: The placement frame (51) is provided with a limiting groove (11), and the edge of the limiting groove (11) is provided with protective glue (12).

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