Rolling and packaging device of knife and fork packaging machine

Abstract

The utility model relates to the field of knife and fork packaging machines, and discloses a rolling and packaging device of a knife and fork packaging machine, which comprises a rack, a conveying belt unit and a napkin rolling and packaging unit, the napkin rolling and packaging unit is located below the conveying belt unit. The knife and fork are located on the napkin and conveyed into the napkin rolling and packaging unit through the conveying belt unit, and the napkin is wound on the knife and fork through the napkin rolling and packaging unit. The rolling and packaging device can achieve high-efficiency production.

Description

Technical Field

[0001] The utility model relates to the field of packaging machines, in particular to a wrapping device of a knife and fork packaging machine. Background Art

[0002] In a western restaurant, when placing knives and forks, they need to be wrapped with napkins before being placed on the customer's table. The current practice is generally to manually wrap the knives and forks in the kitchen and take them out when needed, or to bring the knives and forks with napkins before placing them on the table. When there are a large number of people, the staff may not have enough time to wrap them, affecting the customer experience. In addition, someone needs to be specially responsible for wrapping the knives and forks, which is inefficient and has high labor costs.

[0003] CN201721327998 discloses a four-in-one fully automatic four-side sealing pillow packaging machine for disposable tableware, wherein the packaging machine includes a film unwinding and film separation mechanism, a bag maker, and a film trimming and longitudinal sealing cutting knife mechanism. The film unwinding and film separation mechanism is fixed on the other side of the conveyor, the bag maker is fixed on one side of the film unwinding and film separation mechanism, and the film trimming and longitudinal sealing cutting knife mechanism is fixed on the right side of the bag maker. The film trimming and longitudinal sealing cutting knife mechanism includes a film pulling wheel, a longitudinal sealing cutting knife, and a pneumatic trimming cutting knife bracket, and the longitudinal sealing cutting knife is located between the film pulling wheel and the pneumatic trimming cutting knife bracket. The packaging machine performs film sealing packaging on disposable tableware, and has high efficiency, but the packaging machine is not suitable for the needs of Western restaurants for knife and fork packaging.

[0004] The technical problem to be solved by the utility model is: how to improve the efficiency of using napkins and paper tapes to pack knives and forks. Utility Model Content

[0005] The main purpose of the utility model is to provide a wrapping device for a cutlery packaging machine, which wraps the cutlery in napkins through a napkin wrapping unit, and then wraps the paper tape around the napkins through the cooperation of a paper tape wrapping unit and a paper tape conveying and sealing unit to prevent the napkins from spreading, thereby replacing manual labor with the equipment and improving production efficiency.

[0006] To achieve the above objectives, the technical solutions adopted in this application are:

[0007] A wrapping device for a cutlery packaging machine comprises a frame, a conveyor belt unit and a napkin wrapping unit installed on the frame; the napkin wrapping unit is located below the conveyor belt unit; the cutlery is located on the napkin and is transported to the napkin wrapping unit by the conveyor belt unit, and the napkin is wrapped around the cutlery by the napkin wrapping unit.

[0008] Preferably, the conveyor belt unit comprises a first conveyor belt and a second conveyor belt; the first conveyor belt and the second conveyor belt are respectively located on two sides of the napkin roll wrapping unit.

[0009] Preferably, it also includes a material guide frame installed on the frame; the material guide frame is located between the napkin wrapping unit and the paper tape wrapping unit; the material guide frame is a hollow structure; the end of the material guide frame close to the napkin wrapping unit is a gradually widening end; the napkin wrapping unit transports the cutlery to the paper tape wrapping unit through the material guide frame.

[0010] Preferably, the napkin wrapping unit comprises a rotating block, symmetrically arranged support blocks, a first driving module for driving the rotating block to rotate, and a second driving module for driving the symmetrically arranged support blocks to move closer to or away from each other; the rotating block and the support block are both provided with openings; the support block is located inside the rotating block; the rotating block is used to drive the napkin to rotate so that the napkin wraps the knife and fork.

[0011] Preferably, it also includes a paper tape wrapping unit installed on the frame; the paper tape wrapping unit includes a flip wheel, a third driving module for driving the flip wheel to rotate, and a guide plate; the guide plate is located on one side of the flip wheel; the guide plate is rotatably connected to the frame; the flip wheel is rotatably connected to the frame; the flip wheel is provided with a plurality of grooves for placing knives and forks; symmetrically arranged wrapping plates are provided on both sides of the flip wheel; the positions of the wrapping plates correspond to the grooves.

[0012] Preferably, the paper tape wrapping unit also includes a paper tape conveying module and a sealing module; the paper tape conveying module is used to convey the paper tape to the paper tape wrapping unit through a guide plate; the sealing module is used to heat and seal the rolled paper tape; the sealing module is located below the paper tape conveying module; the guide plate is located on the side of the flip wheel close to the paper tape conveying module.

[0013] Preferably, the groove and the wrapping plate are both arc-shaped; the distance between the symmetrically arranged wrapping plates is smaller than the width of the paper tape; and the width of the guide plate is smaller than the distance between the wrapping plates.

[0014] Preferably, the sealing module includes a heating welding head, a wrapping auxiliary plate, and a driving assembly for driving the heating welding head to move closer to or away from the wrapping auxiliary plate; the wrapping auxiliary plate is rotatably connected to the frame; the heating welding head is slidably connected to the frame; the wrapping auxiliary plate is located below the guide plate; the heating welding head is used to heat and seal the rolled paper tape.

[0015] Preferably, the guide plate and the wrapping auxiliary plate are both provided with a rebound member; the rebound member is used to restore the guide plate or the wrapping auxiliary plate to an initial position.

[0016] Preferably, it also includes a finished product discharge plate and an auxiliary plate both mounted on the frame; the finished product discharge plate is located below the paper tape wrapping unit; the auxiliary plate is located on the side of the paper tape wrapping unit close to the sealing module; a discharge port is formed between the finished product discharge plate and the auxiliary plate.

[0017] Compared with the existing technology, this solution has the following beneficial effects:

[0018] In the wrapping device of this case, the napkin wrapping unit wraps the napkin on the knife and fork. After wrapping, the knife and fork are transported to the paper tape wrapping unit. The paper tape conveying and sealing unit conveys the paper tape toward the knife and fork. When the paper tape wrapping unit drives the knife and fork to rotate, the paper tape is wrapped around the knife and fork. The paper tape conveying and sealing unit heats and seals the paper tape to prevent the paper tape from loosening. By adopting the linkage work between several units instead of manual operation, the processing efficiency is greatly improved. Moreover, the wrapping device has a compact structure and is suitable for use in western restaurants. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the wrapping device of Example 1;

[0020] Figure 2 is a cross-sectional view of the wrapping device of Example 1;

[0021] Figure 3 It is a side view of the wrapping device (partial structure removed) of Example 1;

[0022] Figure 4 This is a schematic structural diagram of the wrapping device of Example 1 (partial structure removed).

[0023] Among them: frame 1; conveyor belt unit 2; napkin wrapping unit 3; paper tape wrapping unit 4; first conveyor belt 21; second conveyor belt 22; material guide frame 6; gradually widened end 61; rotating block 31; support block 32; first drive module 33; second drive module 34; opening 35; paper tape conveying module 51; guide plate 5; sealing module 52; flip wheel 41; third drive module 42; groove 411; wrapping plate 43; paper tape roller 511; paper feeding assembly 512; upper knife roller 513; lower knife 514; heating welding head 521; wrapping auxiliary plate 522; drive assembly 523; finished product discharge plate 7; auxiliary plate 8; discharge port 71. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. The components of the present application implemented as described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Example 1

[0026] refer to Figure 1-4A wrapping device of a cutlery packaging machine comprises a frame 1, a conveyor belt unit 2 and a napkin wrapping unit 3 installed on the frame 1; the napkin wrapping unit 3 is located below the conveyor belt unit 2; the cutlery is located on the napkin and is transported to the napkin wrapping unit 3 by the conveyor belt unit 2, and the napkin is wrapped around the cutlery by the napkin wrapping unit 3.

[0027] In this embodiment, the specific working process of the wrapping device is as follows: the external material unloading and folding mechanism places the cutlery on the napkin and folds the two sides of the napkin inward, and conveys the napkin and the cutlery to the conveyor belt unit 2, and the conveyor belt unit 2 conveys the napkin and the cutlery to the napkin wrapping unit 3; the napkin wrapping unit 3 rotates, driving the napkin to rotate, so that the napkin wraps the cutlery. By replacing manual labor with equipment, production efficiency is improved and the labor intensity of the staff is reduced.

[0028] Preferably, the conveyor belt unit 2 includes a first conveyor belt 21 and a second conveyor belt 22 ; the first conveyor belt 21 and the second conveyor belt 22 are respectively located at two sides of the napkin wrapping unit 3 .

[0029] In this embodiment, the external unloading and folding mechanism gradually cuts a roll of napkins into napkins of the same specifications, and then places the knife and fork in the middle of a napkin and conveys it to the first conveyor belt 21; the first conveyor belt 21 continues to convey the napkins and the knife and fork, so that one end of the napkin is conveyed to the second conveyor belt 22, and the knife and fork located in the middle of the napkin falls from the gap between the first conveyor belt 21 and the second conveyor belt 22 to the napkin wrapping unit 3. At this time, the knife and fork are located on the napkin wrapping unit 3, and the two ends of the napkin are respectively on the first conveyor belt 21 and the second conveyor belt 22, so that the napkin wrapping unit 3 can roll the napkin onto the knife and fork.

[0030] The first conveyor belt 21 and the second conveyor belt 22 are commercially available conveyor belts.

[0031] Preferably, it also includes a material guide frame 6 installed on the frame 1; the material guide frame 6 is located between the napkin wrapping unit 3 and the paper tape wrapping unit 4; the material guide frame 6 is a hollow structure; the end of the material guide frame 6 close to the napkin wrapping unit 3 is a gradually widening end 61; the napkin wrapping unit 3 transports the cutlery to the paper tape wrapping unit 4 through the material guide frame 6.

[0032] In this embodiment, a guide frame 6 is provided between the napkin wrapping unit 3 and the paper tape wrapping unit 4, and the cutlery on the napkin wrapping unit 3 is transported to the paper tape wrapping unit 4 through the guide frame 6, so as to prevent the cutlery from being offset and unable to be placed in the paper tape wrapping unit 4 and falling outside the device during the falling process. The end of the guide frame 6 close to the napkin wrapping unit 3 is a gradually widened end 61, which facilitates the cutlery on the napkin wrapping unit 3 to enter the guide frame 6, and the width of the end of the guide frame 6 close to the paper tape wrapping unit 4 is the same as the width of the cutlery placed in the paper tape wrapping unit 4, which facilitates the cutlery to enter the paper tape wrapping unit 4 and ensures that the cutlery can enter the paper tape wrapping unit 4.

[0033] Preferably, the napkin wrapping unit 3 includes a rotating block 31, symmetrically arranged support blocks 32, a first driving module 33 for driving the rotating block 31 to rotate, and a second driving module 34 for driving the symmetrically arranged support blocks 32 to move closer to or away from each other; the rotating block 31 and the support block 32 are both provided with openings 35; the support block 32 is located inside the rotating block 31; the rotating block 31 is used to drive the napkin to rotate so that the napkin wraps the knife and fork.

[0034] In this embodiment, the specific working process of the napkin wrapping unit 3 is as follows: after the cutlery passes through the rotating block 31 and the opening 35 of the supporting block 32 in turn, it is placed on the supporting block 32, the first driving module 33 drives the rotating block 31 to rotate, driving the two ends of the napkin to be wrapped around the supporting block 32, and the second driving module 34 drives the supporting blocks 32 to move away from each other, so that the napkin wraps the cutlery and the cutlery falls onto the paper tape wrapping unit 4. In this way, the cutlery can be wrapped with the napkin, and the napkin is not easy to spread out when being transported downward.

[0035] The first driving module 33 is preferably a motor; the second driving module 34 is preferably a screw motor, a linear motor or a cylinder.

[0036] Preferably, it also includes a paper tape wrapping unit 4 installed on the frame 1; the paper tape wrapping unit 4 includes a flip wheel 41, a third driving module 42 for driving the flip wheel 41 to rotate, and a guide plate 5; the guide plate 5 is located on one side of the flip wheel 41; the guide plate 5 is rotatably connected to the frame 1; the flip wheel 41 is rotatably connected to the frame 1; a plurality of grooves 411 for placing knives and forks are provided on the flip wheel 41; symmetrically arranged wrapping plates 43 are provided on both sides of the flip wheel 41; the positions of the wrapping plates 43 correspond to those of the grooves 411.

[0037] In this embodiment, the specific working process of the paper tape wrapping unit 4 is as follows: the napkin wrapping unit 3 transports the knife and fork wrapped with napkin paper to the groove 411 on the flip wheel 41. At this time, the knife and fork are pressed on the paper tape, and the third driving module 42 drives the flip wheel 41 to rotate, driving the knife and fork and the paper tape to rotate. When the knife and fork rotate to the guide plate 5 position, they will contact the guide plate 5, and the flip wheel 41 continues to drive the paper tape to rotate, so that the paper tape is wound on the napkin paper, and the flip wheel 41 continues to rotate, pressing the knife and fork and the guide plate 5 to move downward, and the knife and fork gradually separate from the guide plate 5, and the guide plate 5 returns to its initial position.

[0038] The third driving module 42 is preferably a motor.

[0039] Preferably, the paper tape wrapping unit 4 also includes a paper tape conveying module 51 and a sealing module 52; the paper tape conveying module 51 is used to convey the paper tape to the paper tape wrapping unit 4 through the guide plate 5; the sealing module 52 is used to heat and seal the rolled paper tape; the sealing module 52 is located below the paper tape conveying module 51; the guide plate 5 is located on the side of the flip wheel 41 close to the paper tape conveying module 51.

[0040] In this embodiment, the paper tape conveying module 51 cuts a roll of paper tape into strips of equal length at intervals, and conveys the paper tape through the guide plate 5 to the paper tape wrapping unit 4 for wrapping. After the paper tape wrapping is completed, the sealing module 52 heats and seals the paper tape.

[0041] The paper tape conveying module 51 includes a paper tape roller 511, a paper feeding assembly 512, an upper knife roller 513, and a lower knife 514; the upper knife roller 513 and the lower knife 514 are arranged on the frame 1 from top to bottom; the upper knife roller 513 and the lower knife 514 cooperate to cut the paper tape; the paper feeding assembly 512 is used to convey the paper tape on the paper tape roller 511 through the gap between the upper knife roller 513 and the lower knife 514 to the guide plate 5.

[0042] The paper tape on the paper tape roller 511 is passed into the paper feeding assembly 512, and the paper feeding assembly 512 feeds the paper tape to between the upper knife roller 513 and the lower knife 514. The upper knife roller 513 and the lower knife 514 cooperate to cut the paper tape into sheets of the same length, and continue to feed them to the guide plate 5. The upper knife roller 513 is driven by a motor. The paper feeding assembly 512 can be two conveying rollers arranged up and down to convey the paper tape, or other mechanisms that can realize the paper feeding function can be used.

[0043] Preferably, the groove 411 and the wrapping plate 43 are both arc-shaped; the distance between the symmetrically arranged wrapping plates 43 is smaller than the width of the paper tape; and the width of the guide plate 5 is smaller than the distance between the wrapping plates 43 .

[0044] In this embodiment, the guide plate 5 is located between the symmetrically arranged wrapping plates 43. Since the distance between the wrapping plates 43 is smaller than the width of the paper tape, the paper tape can be transported from the guide plate 5 to the wrapping plate 43, so that the wrapping plate 43 and the guide plate 5 will not interfere with each other during the rotation of the flip wheel 41. Since the groove 411 is arc-shaped, when the knife and fork just contact the guide plate 5, the knife and fork will not rotate in the groove 411, and the paper tape will not be blocked by other parts. The paper tape will first be wound around the napkin. When the flip wheel 41 rotates a certain angle, the groove 411 will press the knife and fork and the guide plate 5 to rotate, and finally the knife and fork with the paper tape wound will be separated from the guide plate 5 and enter the next stage.

[0045] Preferably, the sealing module 52 includes a heating welding head 521, a wrapping auxiliary plate 522, and a driving component 523 for driving the heating welding head 521 to move closer to or away from the wrapping auxiliary plate 522; the wrapping auxiliary plate 522 is rotatably connected to the frame 1; the heating welding head 521 is slidably connected to the frame 1; the wrapping auxiliary plate 522 is located below the guide plate 5; the heating welding head 521 is used to heat and seal the rolled paper tape.

[0046] In this embodiment, the wrapping auxiliary plate 522 is located below the guide plate 5; after the flip wheel 41 wraps the paper tape around the napkin, it continues to rotate downward and presses the knife and fork on the wrapping auxiliary plate 522. The driving component 523 drives the heating welding head 521 to move toward the paper tape and heat and seal the rolled paper tape. After the sealing is completed, the driving component 523 drives the heating welding head 521 to restore the initial position. The flip wheel 41 continues to drive the knife and fork to press the wrapping auxiliary plate 522 to rotate, and the wrapping auxiliary plate 522 will gradually rotate under pressure until the knife and fork are separated from the wrapping auxiliary plate 522, and the wrapping auxiliary plate 522 returns to the initial position. In this way, it is ensured that the paper tape will not spread out when it is not sealed. The driving component 523 can adopt an eccentric wheel mechanism, a cylinder or a hydraulic cylinder.

[0047] Preferably, the guide plate 5 and the wrapping auxiliary plate 522 are both provided with a rebound member; the rebound member is used to restore the guide plate 5 or the wrapping auxiliary plate 522 to an initial position.

[0048] The resilient member may be a torsion spring, a spring or other mechanism capable of providing a resilient force.

[0049] Preferably, it also includes a finished product discharge plate 7 and an auxiliary plate 8 both mounted on the frame 1; the finished product discharge plate 7 is located below the paper tape wrapping unit 4; the auxiliary plate 8 is located on the side of the paper tape wrapping unit 4 close to the sealing module 52; a discharge port 71 is formed between the finished product discharge plate 7 and the auxiliary plate 8.

[0050] In this embodiment, the turning wheel 41 drives the cutlery to pass through the auxiliary plate 8 and then enter the finished product discharge plate 7 from the discharge port 71. The auxiliary plate 8 is in an arc shape. The auxiliary plate 8 is used to prevent the cutlery from being separated from the groove 411 when the turning wheel 41 rotates until the cutlery enters the discharge port 71.

[0051] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A wrapping device for a cutlery packaging machine, characterized in that: The machine comprises a frame, a conveyor belt unit and a napkin paper wrapping unit installed on the frame; the napkin paper wrapping unit is located below the conveyor belt unit; the cutlery and fork are located on the napkin paper and transported to the napkin paper wrapping unit through the conveyor belt unit, and the napkin paper is wrapped around the cutlery and fork through the napkin paper wrapping unit; The napkin wrapping unit includes a rotating block, symmetrically arranged support blocks, a first driving module for driving the rotating block to rotate, and a second driving module for driving the symmetrically arranged support blocks to move closer to or away from each other; the rotating block and the support block are both provided with openings; the support block is located inside the rotating block; the rotating block is used to drive the napkin to rotate so that the napkin wraps the knife and fork.

2. The wrapping device of the cutlery packaging machine according to claim 1, characterized in that: The conveyor belt unit comprises a first conveyor belt and a second conveyor belt; the first conveyor belt and the second conveyor belt are respectively located at two sides of the napkin roll packaging unit.

3. The wrapping device of the cutlery packaging machine according to claim 1, characterized in that: It also includes a material guide frame installed on the frame; the material guide frame is located between the napkin paper wrapping unit and the paper tape wrapping unit; the material guide frame is a hollow structure; the end of the material guide frame close to the napkin paper wrapping unit is a gradually widening end; the napkin paper wrapping unit transports the cutlery to the paper tape wrapping unit through the material guide frame.

4. The wrapping device of the cutlery packaging machine according to claim 1, characterized in that: It also includes a paper tape wrapping unit installed on the frame; the paper tape wrapping unit includes a flip wheel, a third driving module for driving the flip wheel to rotate, and a guide plate; the guide plate is located on one side of the flip wheel; the guide plate is rotatably connected to the frame; the flip wheel is rotatably connected to the frame; the flip wheel is provided with a plurality of grooves for placing knives and forks; symmetrically arranged wrapping plates are provided on both sides of the flip wheel; the positions of the wrapping plates correspond to the grooves.

5. The wrapping device of the cutlery packaging machine according to claim 4, characterized in that: The paper tape wrapping unit also includes a paper tape conveying module and a sealing module; the paper tape conveying module is used to convey the paper tape to the paper tape wrapping unit through a guide plate; the sealing module is used to heat and seal the rolled paper tape; the sealing module is located below the paper tape conveying module; the guide plate is located on the side of the flip wheel close to the paper tape conveying module.

6. The wrapping device of the cutlery packaging machine according to claim 4, characterized in that: The shapes of the groove and the wrapping plate are both arc-shaped; the distance between the symmetrically arranged wrapping plates is smaller than the width of the paper tape; and the width of the guide plate is smaller than the distance between the wrapping plates.

7. The wrapping device of the cutlery packaging machine according to claim 5, characterized in that: The sealing module includes a heating welding head, a wrapping auxiliary plate, and a driving component for driving the heating welding head to move closer to or away from the wrapping auxiliary plate; the wrapping auxiliary plate is rotatably connected to the frame; the heating welding head is slidably connected to the frame; the wrapping auxiliary plate is located below the guide plate; the heating welding head is used to heat and seal the rolled paper tape.

8. The wrapping device of the cutlery packaging machine according to claim 7, characterized in that: The guide plate and the wrapping auxiliary plate are both provided with a rebound member; the rebound member is used to restore the guide plate or the wrapping auxiliary plate to an initial position.

9. The wrapping device of the cutlery packaging machine according to claim 5, characterized in that: It also includes a finished product discharge plate and an auxiliary plate both mounted on the frame; the finished product discharge plate is located below the paper tape wrapping unit; the auxiliary plate is located on one side of the paper tape wrapping unit close to the sealing module; a discharge port is formed between the finished product discharge plate and the auxiliary plate.

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