Automatic packaging and sealing integrated equipment for prefabricated dishes

Abstract

The invention relates to the technical field of packaging and sealing equipment, in particular to automatic packaging and sealing integrated equipment for prefabricated vegetables, a sealing part comprises a slitting part and a sealing group, the sealing group seals a packaging bag filled with the prefabricated vegetables, and the slitting part cuts the part, sealed by the sealing group, of the packaging bag along the middle part, so that the packaging bag filled with the prefabricated vegetables falls off from a bag placing part; meanwhile, the bottom of the packaging bag discharged from the bag placing part is also sealed, and the prefabricated dishes can be continuously packaged; air in the packaging bag is pumped out by the vacuum pump, so that the prefabricated vegetables are in a vacuum environment, the preservation time is prolonged, the packaging bag is cut off while the top of the packaging bag is sealed, and due to the fact that the slitting part is located in the middle of the sealing piece, the packaging bag containing the prefabricated vegetables falls down from the discharging hole, the bottom of the packaging bag outside the discharging pipe is also sealed, and the prefabricated vegetables can continue to be contained; according to the equipment, the procedures of bagging, vacuumizing, sealing, slitting and the like are synchronously completed, the equipment size is greatly reduced, the occupied area is reduced, and meanwhile the packaging efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of packaging and sealing equipment, in particular to automatic packaging and sealing integrated equipment for pre-prepared dishes. Background Art

[0002] Pre-prepared dishes (also known as pre-prepared dishes) are the product of food industrialization. They are pre-packaged dishes made from one or more edible agricultural products and their products, and are industrially pre-processed (such as mixing, pickling, rolling, kneading, shaping, frying, deep-frying, baking, boiling, steaming, etc.) and can be eaten only after heating or cooking. The scope of pre-prepared dishes should have the characteristics of both pre-preparation and dishes.

[0003] In the process of packaging pre-prepared meals, the automatic packaging and sealing machines for pre-prepared meals mostly adopt assembly line operation, with one device for each step, and the devices are arranged in sequence along the direction of the assembly line, which not only takes up a lot of space but also has low efficiency. Summary of the invention

[0004] The main purpose of the present invention is to provide an integrated automatic packaging and sealing device for pre-prepared dishes, so as to solve the problems of occupying a large amount of space and low efficiency proposed in the related art.

[0005] In order to achieve the above-mentioned object, according to one aspect of the present invention, there is provided an integrated automatic packaging and sealing device for pre-prepared dishes, comprising: a dispensing machine, the dispensing machine being used to store the pre-prepared dishes and to convey them intermittently to the outside; A vacuum machine, the vacuum machine comprising a vacuum pump and a vacuum tube, the vacuum pump being arranged on the dispensing machine, one end of the vacuum tube being fixedly connected to the vacuum pump, and the other end extending into the packaging bag, after the dispensing machine presses the pre-prepared food into the packaging bag, the vacuum pump extracts the air in the packaging bag through the vacuum tube; A bag placing part, which is arranged on the dispensing machine and includes a bag placing group and a sealing group. The bag placing part conveys the sheet-like semi-finished product packaging bag outwards, and the sealing group seals the sheet-like semi-finished product packaging bag into a cylindrical shape; The sealing part is arranged at the lower part of the dispensing machine, and the sealing part includes a cutting part and a sealing group. The sealing group seals the packaging bag containing the pre-prepared dishes, and the cutting part cuts the part of the packaging bag sealed by the sealing group along the middle, so that the packaging bag containing the pre-prepared dishes falls off from the bag placing part. At the same time, the bottom of the packaging bag released from the bag placing part is also sealed, so that the pre-prepared dishes can continue to be packaged.

[0006] Furthermore, the packaging machine includes a support group and a feeding group, the support group includes a cabinet, a bottom plate and a discharge hole, a power source is provided in the cabinet, the bottom plate is fixedly arranged at the front bottom of the cabinet for installing a sealing part, and the discharge hole is arranged through the middle of the bottom plate, and the packaged pre-prepared dishes enter the next process from the discharge hole.

[0007] Furthermore, the feeding group includes a material storage barrel, a discharge pipe and a bag-supporting column. The material storage barrel is fixedly arranged on the top of the cabinet and is used to store pre-prepared dishes. One end of the discharge pipe is fixedly connected to the material storage barrel, and the other end extends into the packaging bag together with the vacuum tube. A booster pump is provided in the material storage barrel to press the pre-prepared dishes into the packaging bag through the discharge pipe. The bag-supporting column is fixedly arranged on the upper part of the outer ring of the discharge pipe, and the sheet-like packaging bag is propped up to form a cylindrical shape when it passes around the bag-supporting column.

[0008] Furthermore, the bag placing group includes two brackets, a bag storing shaft and a power source No. 1. The brackets are fixed on both sides above the front of the cabinet, the bag storing shaft is arranged between the two brackets and can rotate along the two brackets, the power source No. 1 is fixed on the outside of one side bracket, and the power source No. 1 is fixedly connected to one end of the bag storing shaft for driving the bag storing shaft to rotate.

[0009] Furthermore, the closing group includes two connecting shafts and two sealing rollers, the connecting shafts are rotatably arranged in the middle of the front of the cabinet and are located on the same straight line, the power source in the cabinet is used to drive the connecting shafts to rotate, and the sealing rollers are respectively fixed at the top ends of the connecting shafts. The connecting shafts drive the sealing rollers to rotate, and the sheet-like semi-finished product packaging bags between the two sealing rollers are sealed to form a cylindrical shape.

[0010] Furthermore, the slitting part includes a guide group, a fixing group and a cutter, the cutter includes a blade group and a limiting group, the blade group includes a blade body and a plurality of blades, the blades are all fixedly arranged on the front side of the blade body, the orthographic projection of the blade forms an acute angle with the blade body, the limiting group includes a stopper, a limiting hole and a plurality of protrusions, the stopper is fixedly arranged below the front end of the blade body and on the same side as the blade, the limiting hole is arranged through the middle of the blade body, the protrusions are all located in the limiting hole, and are all fixedly connected to the blade body.

[0011] Furthermore, the fixing group includes a supporting plate, a first limiting block and a plurality of second limiting blocks, wherein the first limiting block is arranged above the supporting plate and can slide left and right along the supporting plate, and the second limiting blocks are all arranged above the supporting plate and can slide forward and backward along the supporting plate.

[0012] Further, the guide group includes a plurality of guide columns and limit columns, the guide columns are all fixedly arranged on the upper surface of the support plate, the limit columns are also fixedly arranged on the upper surface of the support plate, the limit columns include a plurality of limit grooves, limit rings and balls, the limit grooves are all arranged on the outer surface of the limit columns, and the limit grooves are inclined, the limit rings are fixedly arranged on the top of the limit columns, the balls are rotatably arranged inside the limit rings, and the upper part of the balls protrudes from the limit rings, the tops of the guide columns are fixedly provided with limit rings, balls are rotatably arranged inside the limit rings, and the upper part of the balls protrudes from the limit rings.

[0013] Furthermore, the sealing group includes a box sealing group and a sheet sealing group, the sheet sealing group includes a sealing sheet and a plurality of sealing columns, the sealing columns are prism-shaped, and the sealing columns are all fixedly arranged on the outer surface of the sealing sheet with the small ends facing outwards.

[0014] Furthermore, the sealing group includes a sealing box, a blade slot, two pinches, a second power source and a knife block, the second power source is fixedly arranged on the upper surface of the bottom plate, the second power source is fixedly connected to the sealing box, the blade slot is arranged in the middle of the sealing box, the cutter can slide in or out along the blade slot, the pinches are respectively located on the upper and lower sides of the blade slot, the knife block can be slidably arranged on the back of the sealing box, when the knife block slides downward, it can block the blade slot, when the knife block slides upward, the blade slot is exposed, and a plurality of slots are arranged above the blade slot to provide a channel for the guide column and the limit column.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the sealing rollers rotating in opposite directions seal the sides of the semi-finished packaging bag between the two sealing rollers, so that it becomes a cylindrical structure, wraps the lower part of the discharge pipe and the vacuum tube therein, and transports it downward; the storage barrel intermittently presses the pre-prepared food into the discharge pipe, and the pre-prepared food falls into the packaging bag along the discharge pipe, and the packaging bag moves downward, so that the sealing part is located above the pre-prepared food in the packaging bag, and in the gap where the pre-prepared food is discharged from the discharge pipe, the vacuum pump extracts the air in the packaging bag, so that the pre-prepared food is in a vacuum environment, thereby extending the storage time, and at the same time, the second power source drives the sealing boxes to move in opposite directions, seals the top of the packaging bag, and cuts the packaging bag at the same time, and since the cutting part is located in the middle of the sealing piece, the packaging bag containing the pre-prepared food falls from the discharge hole, and the bottom of the packaging bag outside the discharge pipe is also sealed, so that the pre-prepared food can continue to be loaded; the equipment simultaneously completes the processes of bagging, vacuuming, sealing and cutting, and the volume of the equipment is greatly reduced, the floor space is reduced, and the packaging efficiency is also improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is generally illustrated Figure 1 ; Figure 2 The present invention is generally illustrated Figure 2 ; Figure 3 The present invention is generally illustrated Figure 3 ; Figure 4 This is a schematic diagram of the back side of the sealing portion of the present invention; Figure 5 This is a front view of the sealing portion of the present invention; Figure 6 It is a schematic diagram of the structure of the cutting part of the present invention; Figure 7 It is a schematic diagram of the cutter structure of the present invention; Figure 8It is a schematic diagram of the limiting column structure of the present invention.

[0017] Illustration Description: 1. Packing machine; 11. Cabinet; 12. Storage barrel; 13. Discharging pipe; 14. Bag supporting column; 15. Bottom plate; 16. Discharging hole; 2. Vacuum machine; 21. Vacuum pump; 22. Vacuum tube; 3. Bag placing part; 31. Bracket; 32. Bag storage shaft; 33. No. 1 power source; 34. Connecting shaft; 35. Sealing roller; 4. Sealing part; 41. Sealing box; 42. Blade slot; 43. Pinch; 44. Second power source; 45. Sealing piece; 46. Cutting part; 47. Blade block; 48. Sealing column; 461. Supporting piece; 462. First limiting block; 463. Second limiting block; 464. Guide column; 465. Limiting column; 466. Cutter; 4651. Limiting slot; 4652. Limiting ring; 4653. Ball; 4661. Blade; 4662. Blade; 4663. Block; 4664. Limiting hole; 4665. Bump. DETAILED DESCRIPTION

[0018] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0019] See also Figures 1 to 8 , this embodiment provides an integrated automatic packaging and sealing device for pre-prepared dishes, including: a dispensing machine 1, the dispensing machine 1 is used to store the pre-prepared dishes and transport them out intermittently; The vacuum machine 2 includes a vacuum pump 21 and a vacuum tube 22. The vacuum pump 21 is arranged on the packaging machine 1. One end of the vacuum tube 22 is fixedly connected to the vacuum pump 21, and the other end extends into the packaging bag. After the packaging machine 1 presses the pre-prepared food into the packaging bag, the vacuum pump 21 extracts the air in the packaging bag through the vacuum tube 22. The bag placing part 3 is arranged on the dispensing machine 1. The bag placing part 3 includes a bag placing group and a sealing group. The bag placing part 3 conveys the sheet-like semi-finished product packaging bag to the outside, and the sealing group seals the sheet-like semi-finished product packaging bag into a cylindrical shape. The sealing part 4 is arranged at the lower part of the packaging machine 1. The sealing part 4 includes a cutting part 46 and a sealing group. The sealing group seals the packaging bag containing the pre-prepared dishes. The cutting part 46 cuts the part of the packaging bag sealed by the sealing group along the middle, so that the packaging bag containing the pre-prepared dishes falls off from the bag placing part 3. At the same time, the bottom of the packaging bag released from the bag placing part 3 is also sealed, so that the pre-prepared dishes can continue to be packaged.

[0020] The packaging machine 1 includes a supporting group and a feeding group. The supporting group includes a cabinet 11, a bottom plate 15 and a discharge hole 16. A power source is provided in the cabinet 11. In this embodiment, a motor is preferably used as the power source, which is simple and easy to operate. The bottom plate 15 is fixedly arranged at the front of the bottom of the cabinet 11 and is used to install the sealing part 4. The discharge hole 16 is arranged through the middle of the bottom plate 15. The packaged pre-prepared dishes enter the next process from the discharge hole 16.

[0021] The feeding group includes a material storage barrel 12, a discharge pipe 13 and a bag-supporting column 14. The material storage barrel 12 is fixedly arranged on the top of the cabinet 11 and is used to store pre-prepared dishes. One end of the discharge pipe 13 is fixedly connected to the material storage barrel 12, and the other end thereof extends into the packaging bag together with the vacuum tube 22. A booster pump is provided in the material storage barrel 12 to press the pre-prepared dishes into the packaging bag through the discharge pipe 13. The bag-supporting column 14 is fixedly arranged on the upper part of the outer circle of the discharge pipe 13. When the sheet packaging bag passes around the bag-supporting column 14, it is supported to form a cylindrical shape.

[0022] The bag placing group includes two brackets 31, a bag storing shaft 32 and a power source No. 1 33. In this embodiment, a motor is preferably used as a power source, which is simple and easy to operate. The brackets 31 are fixedly arranged on both sides above the front of the cabinet 11, and the bag storing shaft 32 is arranged between the two brackets 31 for storing the sheet-like semi-finished packaging bags, and can rotate along the two brackets 31. When the bag storing shaft 32 rotates, the sheet-like semi-finished packaging bags are released. The power source No. 1 33 is fixedly arranged on the outside of one side bracket 31, and the power source No. 1 33 is fixedly connected to one end of the bag storing shaft 32 for driving the bag storing shaft 32 to rotate.

[0023] The closing group includes two connecting shafts 34 and two sealing rollers 35. The connecting shafts 34 are rotatably arranged in the middle of the front of the cabinet 11 and are located on the same straight line. The power source in the cabinet 11 is used to drive the connecting shafts 34 to rotate. The ends of the connecting shafts 34 are fixed with meshing gears. The gears make the two connecting shafts 34 rotate towards each other. The sealing rollers 35 are respectively fixed at the top ends of the connecting shafts 34. The connecting shafts 34 drive the sealing rollers 35 to rotate towards each other, and the sheet-like semi-finished product packaging bag between the two sealing rollers 35 is sealed to form a cylindrical shape.

[0024] The slitting portion 46 includes a guide group, a fixing group and a cutter 466. The cutter 466 includes a blade group and a limiting group. The blade group includes a blade body 4661 and a plurality of blades 4662. The blades 4662 are all fixedly arranged on the front side of the blade body 4661. The orthographic projection of the blades 4662 forms an acute angle with the blade body 4661, and the preferred angle in this embodiment is 50°. When the cutters 466 on both sides squeeze each other to cut the packaging bag, the blades 4662 enter the gaps between the opposite blades 4662, and the blades 4662 are not damaged while cutting the packaging bag. The limiting group includes a stopper 4663, a limiting hole 4664 and a plurality of protrusions 4665. The stopper 4663 is fixedly arranged below the front end of the blade body 4661 and on the same side as the blade 4662. The limiting hole 4664 is arranged through the middle of the blade body 4661. The protrusions 4665 are all located in the limiting hole 4664 and are fixedly connected to the blade body 4661.

[0025] The fixing group includes a supporting piece 461, a first limiting block 462 and a plurality of second limiting blocks 463. In this embodiment, three second limiting blocks 463 are preferably used. When the second limiting block 463 slides toward the blade 4661, the blade 4661 is squeezed forward to prevent the blade 4661 from moving backward when cutting the packaging bag and failing to cut the packaging bag. When the first limiting block 462 slides toward the rear of the second limiting block 463, it supports the second limiting block 463 to prevent it from moving backward, thereby ensuring that the cutter 466 extends out of the blade slot 42 to cut the packaging bag. The first limiting block 462 is disposed above the supporting piece 461 and can slide left and right along the supporting piece 461. The second limiting blocks are all disposed above the supporting piece 461 and can slide back and forth along the supporting piece 461. The supporting piece 461 is located behind the stopper 4663 to limit the movement of the cutter 466.

[0026] The guide group includes a plurality of guide posts 464 and a limiting post 465. In this embodiment, two guide posts 464 are preferably used to limit the moving direction of the cutter 466 to prevent it from being deflected and affecting the cutting effect. The guide posts 464 are fixedly arranged on the upper surface of the supporting piece 461, and the limiting posts 465 are also fixedly arranged on the upper surface of the supporting piece 461. The limiting posts 465 include a plurality of limiting grooves 4651, a limiting ring 4652 and a ball 4653. The limiting grooves 4651 are all arranged on the outer surface of the limiting posts 465, and the limiting grooves 4651 are inclined. In this embodiment, Preferably, the angle is 20°. When the protrusion 4665 slides to the bottom along the limiting groove 4651, the cutter 466 is flush with the supporting piece 461 to ensure that the incision of the packaging bag is smooth. The limiting ring 4652 is fixedly arranged on the top of the limiting column 465, and the ball 4653 is rotatably arranged inside the limiting ring 4652, and the upper part of the ball 4653 protrudes from the limiting ring 4652. The limiting ring 4652 is fixedly arranged on the top of the guide column 464, and the ball 4653 is rotatably arranged inside the limiting ring 4652, and the upper part of the ball 4653 protrudes from the limiting ring 4652.

[0027] The sealing group includes a box sealing group and a sheet sealing group. The sheet sealing group includes a sealing sheet 45 and a plurality of sealing columns 48. The sealing columns 48 are prism-shaped. The sealing columns 48 are all fixed on the outer surface of the sealing sheet 45 with the small ends facing outward. When the sealing columns 48 squeeze each other to seal, the contact area is small and the package is more secure.

[0028] The sealing group includes a sealing box 41, a blade slot 42, two pinches 43, a second power source 44 and a knife block 47. The second power source 44 is fixedly arranged on the upper surface of the bottom plate 15. The second power source 44 is fixedly connected to the sealing box 41. In this embodiment, a telescopic cylinder is preferably used as the second power source 44 to drive the sealing box 41 forward or backward. The blade slot 42 is arranged in the middle of the sealing box 41, and the cutter 466 can slide in or out along the blade slot 42. The pinches 43 are respectively located in the blade slots. The upper and lower sides of 42 make it convenient to pinch the cutting part 46 and pull it out of the blade groove 42. The knife block 47 can be slidably arranged on the back of the sealing box 41. When the knife block 47 slides downward, it can block the blade groove 42. When the knife block 47 slides upward, the blade groove 42 is exposed. A plurality of notches are arranged above the blade groove 42 to provide channels for the guide column 464 and the limit column 465. The ball 4653 rolls in the notch to reduce friction, making it convenient for the cutting part 46 to slide in or out of the blade groove 42.

[0029] The semi-finished packaging bag on the bag storage shaft 32 is pulled out, wrapped around the bag support column 14 from the outside, bypassed the bag support column 14 and merged behind it, and stuffed between the two sealing rollers 35. At the same time, the No. 1 power source 33 and the motor in the cabinet 11 are started. The No. 1 power source 33 drives the bag storage shaft 32 to rotate, and the semi-finished packaging bags are continuously released. The motor in the cabinet 11 drives the connecting shaft 34 to rotate in the opposite direction, driving the sealing rollers 35 to rotate in the opposite direction, and the sides of the semi-finished packaging bag between the two sealing rollers 35 are sealed to form a cylinder. The discharge pipe 13 and the lower part of the vacuum tube 22 are wrapped in the structure and conveyed downward. When the bottom of the cylindrical packaging bag reaches the sealing part 4, the second power source 44 is started, and the second power source 44 pushes the sealing box 41 to move toward the packaging bag. When the sealing columns 48 of the sealing parts 4 on both sides meet and squeeze each other, the bottom of the packaging bag is sealed, and the pre-prepared food can be loaded into the interior; the first power source 33 and the motor in the cabinet 11 are turned off, the conveying of the packaging bag is stopped, and the knife block 47 is pushed upward to insert the cutting part 46 into the blade groove 42 so that the knife The blade 4662 is directed toward the packaging bag. After the cutting portion 46 is completely inserted into the blade groove 42, the knife block 47 is released, and the knife block 47 moves down along the sealing box 41 to block the cutting portion 46, preventing the cutting portion 46 from falling off from the blade groove 42, and being unable to cut the unknown; the No. 1 power source 33 and the motor in the cabinet 11 are started again, and the packaging bag is continuously transported to the sealing portion 4 and processed into a cylindrical shape, and the storage barrel 12 intermittently presses the pre-prepared food into the discharge pipe 13, and the pre-prepared food falls into the packaging bag along the discharge pipe 13, and the packaging bag moves down to make the sealing The portion 4 is located above the pre-prepared food in the packaging bag. In the gap where the pre-prepared food is discharged from the discharge pipe 13, the vacuum pump 21 extracts the air in the packaging bag, so that the pre-prepared food is in a vacuum environment, thereby extending the shelf life. At the same time, the second power source 44 drives the sealing box 41 to move towards each other, sealing the top of the packaging bag and cutting the packaging bag at the same time. Since the cutting portion 46 is located in the middle of the sealing piece 45, the packaging bag containing the pre-prepared food falls from the discharge hole 16, and the bottom of the packaging bag outside the discharge pipe 13 is also sealed, so that the pre-prepared food can continue to be loaded.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. Pre-prepared food automatic packaging and sealing integrated equipment, characterized in that: include: A packaging machine (1), the packaging machine (1) being used to store pre-prepared dishes and to transport them out intermittently; A vacuum machine (2), the vacuum machine (2) comprising a vacuum pump (21) and a vacuum tube (22), the vacuum pump (21) being arranged on the packaging machine (1), one end of the vacuum tube (22) being fixedly connected to the vacuum pump (21), and the other end of the vacuum tube (22) extending into the packaging bag, and after the packaging machine (1) presses the pre-prepared food into the packaging bag, the vacuum pump (21) extracts the air in the packaging bag through the vacuum tube (22); A bag placing section (3), the bag placing section (3) being arranged on the dispensing machine (1), the bag placing section (3) comprising a bag placing group and a sealing group, the bag placing section (3) conveying the sheet-like semi-finished product packaging bag outwards, and the sealing group sealing the sheet-like semi-finished product packaging bag into a cylindrical shape; A sealing portion (4), the sealing portion (4) being arranged at the lower part of the dispensing machine (1), the sealing portion (4) comprising a cutting portion (46) and a sealing group, the sealing group sealing the packaging bag containing the pre-prepared dish, the cutting portion (46) cutting the portion of the packaging bag sealed by the sealing group along the middle, so that the packaging bag containing the pre-prepared dish falls off from the bag placing portion (3), and at the same time, the bottom of the packaging bag released from the bag placing portion (3) is also sealed, so that the pre-prepared dish can continue to be packaged.

2. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 1 is characterized in that: The packaging machine (1) comprises a support group and a feeding group. The support group comprises a cabinet (11), a bottom plate (15) and a discharge hole (16). A power source is provided inside the cabinet (11). The bottom plate (15) is fixedly arranged at the front of the bottom of the cabinet (11) and is used to install a sealing portion (4). The discharge hole (16) is arranged through the middle of the bottom plate (15). The packaged pre-prepared dish enters the next process from the discharge hole (16).

3. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 2 is characterized in that: The feeding group comprises a material storage barrel (12), a material discharge pipe (13) and a bag support column (14); the material storage barrel (12) is fixedly arranged on the top of the cabinet (11) and is used to store pre-prepared food; one end of the material discharge pipe (13) is fixedly connected to the material storage barrel (12), and the other end thereof extends into the packaging bag together with the vacuum tube (22); a booster pump is provided in the material storage barrel (12) to press the pre-prepared food into the packaging bag through the material discharge pipe (13); the bag support column (14) is fixedly arranged on the upper part of the outer ring of the material discharge pipe (13); and the sheet-shaped packaging bag is supported to form a cylindrical shape when it passes around the bag support column (14).

4. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 1 is characterized in that: The bag placing group comprises two brackets (31), a bag storage shaft (32) and a first power source (33); the brackets (31) are fixedly arranged on both sides above the front of the cabinet (11); the bag storage shaft (32) is arranged between the two brackets (31) and can rotate along the two brackets (31); the first power source (33) is fixedly arranged on the outside of one side bracket (31); the first power source (33) is fixedly connected to one end of the bag storage shaft (32) and is used to drive the bag storage shaft (32) to rotate.

5. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 1 is characterized in that: The sealing group comprises two connecting shafts (34) and two sealing rollers (35); the connecting shafts (34) are rotatably arranged in the middle of the front of the cabinet (11) and are located on the same straight line; a power source in the cabinet (11) is used to drive the connecting shafts (34) to rotate; the sealing rollers (35) are respectively fixed at the top ends of the connecting shafts (34); the connecting shafts (34) drive the sealing rollers (35) to rotate, and seal the sheet-shaped semi-finished product packaging bag between the two sealing rollers (35) to form a cylindrical shape.

6. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 1 is characterized in that: The slitting portion (46) comprises a guide group, a fixing group and a cutter (466); the cutter (466) comprises a blade group and a limiting group; the blade group comprises a blade body (4661) and a plurality of blades (4662); the blades (4662) are all fixedly arranged on the front side of the blade body (4661); the orthographic projection of the blades (4662) forms an acute angle with the blade body (4661); the limiting group comprises a stopper (4663), a limiting hole (4664) and a plurality of protrusions (4665); the stopper (4663) is fixedly arranged below the front end of the blade body (4661) and on the same side as the blades (4662); the limiting hole (4664) is arranged through the middle of the blade body (4661); the protrusions (4665) are all located in the limiting hole (4664) and are all fixedly connected to the blade body (4661).

7. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 6 is characterized in that: The fixing group comprises a supporting plate (461), a first limiting block (462) and a plurality of second limiting blocks (463); the first limiting blocks (462) are arranged above the supporting plate (461) and can slide leftward and rightward along the supporting plate (461); and the second limiting blocks are arranged above the supporting plate (461) and can slide forward and backward along the supporting plate (461).

8. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 7 is characterized in that: The guide group comprises a plurality of guide columns (464) and limiting columns (465), wherein the guide columns (464) are fixedly arranged on the upper surface of the support plate (461), and the limiting columns (465) are also fixedly arranged on the upper surface of the support plate (461). The limiting columns (465) comprise a plurality of limiting grooves (4651), limiting rings (4652) and balls (4653), wherein the limiting grooves (4651) are arranged on the outer surface of the limiting columns (465), and the limiting grooves (4651) are arranged on the outer surface of the limiting columns (465). ) is inclined, the limiting ring (4652) is fixedly arranged on the top of the limiting column (465), the ball (4653) is rotatably arranged inside the limiting ring (4652), and the upper part of the ball (4653) protrudes from the limiting ring (4652), the top of the guide column (464) is fixedly provided with a limiting ring (4652), the ball (4653) is rotatably arranged inside the limiting ring (4652), and the upper part of the ball (4653) protrudes from the limiting ring (4652).

9. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 1, characterized in that: The sealing group comprises a box sealing group and a sheet sealing group. The sheet sealing group comprises a sealing sheet (45) and a plurality of sealing columns (48). The sealing columns (48) are prism-shaped. The sealing columns (48) are fixedly arranged on the outer surface of the sealing sheet (45) with their small ends facing outwards.

10. The automatic packaging and sealing integrated equipment for pre-prepared dishes according to claim 9, characterized in that: The box sealing group comprises a sealing box (41), a blade slot (42), two pinching openings (43), a second power source (44) and a knife block (47); the second power source (44) is fixedly arranged on the upper surface of the bottom plate (15); the second power source (44) is fixedly connected to the sealing box (41); the blade slot (42) is arranged in the middle of the sealing box (41); the cutting knife (466) can slide in or out along the blade slot (42); the pinching openings (43) are respectively located at the upper and lower sides of the blade slot (42); the knife block (47) can be slidably arranged on the back side of the sealing box (41); when the knife block (47) slides downward, it can block the blade slot (42); when the knife block (47) slides upward, the blade slot (42) is exposed; a plurality of notches are arranged above the blade slot (42) to provide a passage for a guide column (464) and a limit column (465).

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