Prefabricated vegetable boxing device

Abstract

The utility model relates to a prefabricated vegetable boxing device. Comprising a mounting rack, a box supporting structure is mounted on the mounting rack and used for supporting packaging boxes, and a box stacking storage assembly and a material adding assembly which are located above the box supporting structure and distributed in the length direction of the mounting rack are mounted on the mounting rack; a box taking assembly penetrating through the box supporting structure is arranged below the box stacking storage assembly and used for grabbing the packaging boxes stored on the box stacking storage assembly and located at the bottom and transferring the packaging boxes to the box supporting structure. A weighing assembly is arranged below the material adding assembly and used for weighing the weight of the packaging box and the weight of the content of the packaging box in real time. The chain type material pushing assembly is installed on the installation rack and used for pushing the packaging box to move in the length direction of the installation rack. According to the automatic feeding device, automatic feeding of the packaging boxes can be achieved, workers do not need to manually take the packaging boxes, the labor intensity of the workers is reduced, prefabricated dishes can be accurately and quantitatively added into the packaging boxes, the workers do not need to carry out additional weighing operation, the automation degree is high, and the working efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to packaging equipment technical field especially, it relates to a prefabricated dish packing device. BACKGROUND

[0002] The prefabricated dish, also called as prefabricated cooked food, generally refers to the semi-finished product or finished product which is made of various agricultural, livestock, poultry and aquatic products as raw and auxiliary materials, with seasoning and other auxiliary materials, through pre-selection, modulation and other process, and can be eaten after heating or cooking.

[0003] After the prefabricated dish is processed, it is usually stored or transported through the plastic packaging box, and flows into the market after multiple detection and sterilization processes.

[0004] However, in the above operation process, additional workers are needed to take the packaging box and then place it on the conveyor to realize the feeding operation of the packaging box, which increases the labor intensity of the workers. In addition, in the above operation process, it is difficult to accurately control the weight of the prefabricated dish during the adding process, which leads to different weights of each box of prefabricated dish, and additional weighing operation is needed, which further increases the labor intensity of the workers. Therefore, it is urgent to design a prefabricated dish packing device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a prefabricated dish packing device with reasonable structure design to solve the technical problems in the prior art. The utility model can realize automatic feeding of the packaging box without manual taking and feeding by the workers, which reduces the labor intensity of the workers and can accurately and quantitatively add the prefabricated dish into the packaging box without additional weighing operation by the workers, with high automation degree and high work efficiency.

[0006] The utility model discloses a pre-prepared dish box filling device which comprises a mounting rack, a box supporting structure installed on the mounting rack for supporting a packaging box, a box stacking storage assembly and a material adding assembly installed on the mounting rack above the box supporting structure and along the length direction of the mounting rack, a box taking assembly installed below the box stacking storage assembly and penetrating through the box supporting structure for grabbing the packaging box at the bottom of the box stacking storage assembly and transferring the packaging box to the box supporting structure, a weighing assembly installed below the material adding assembly for real-time weighing the weight of the packaging box and its content, and a chain type material pushing assembly installed on the mounting rack for pushing the packaging box to move along the length direction of the mounting rack.

[0007] The pre-prepared dish box filling device provided by the utility model can store a plurality of packaging boxes in a stacked state through the box stacking storage assembly, automatically grab the packaging box through the box taking assembly, and transfer the grabbed packaging box to the box supporting structure, so that the automatic feeding and box supplying operation of the packaging box is realized, the packaging box does not need to be taken by the staff for multiple times, and the labor intensity of the staff is reduced. The packaging box grabbed by the box taking assembly can be pushed forward to the next process through the chain type material pushing assembly. The packaging box pushed into the material adding assembly can be filled and added with materials through the material adding assembly. The weight of the materials in the packaging box in the filling operation process can be detected in real time through the weighing assembly, so that the material adding assembly can accurately add the pre-prepared dish into the packaging box, the weight of each box of the pre-prepared dish after packing is consistent, the staff does not need to additionally perform the weighing operation, the labor is saved, and the work efficiency is improved. The pre-prepared dish box filling device can realize the automatic feeding of the packaging box, the staff does not need to manually take and supply the box, the labor intensity of the staff is reduced, the pre-prepared dish can be accurately and quantitatively added into the packaging box, the staff does not need to additionally perform the weighing operation, the degree of automation is high, and the work efficiency is high.

[0008] Preferably: the stacking storage assembly comprises two storage box mounting racks fixedly connected on the mounting rack and oppositely arranged, a storage box shelf plate with adjustable transverse position is mounted between the two storage box mounting racks, a plurality of box outlet openings are formed on the storage box shelf plate and arranged in parallel along the width direction of the mounting rack, the packaging boxes can freely fall from the box outlet openings, a plurality of storage box limiting rods are arranged on the periphery of each box outlet opening and fixedly connected with the storage box shelf plate, for limiting a plurality of packaging boxes, a slotted connecting plate is mounted at the middle part of the plurality of storage box limiting rods, a plurality of box placing slots are formed on the slotted connecting plate and correspond one by one to the plurality of box outlet openings in a top-bottom manner, a plurality of edge supporting drive cylinders are arranged in pairs on the periphery of each box outlet opening, and an L-shaped edge supporting plate is mounted at the extending end of each edge supporting drive cylinder; at least one pair of edge supporting drive cylinders is fixedly connected with the top surface of the storage box shelf plate, for supporting a plurality of packaging boxes located above the storage box shelf plate; at least one pair of edge supporting drive cylinders is fixedly connected with the bottom surface of the storage box shelf plate, for supporting the bottom layer packaging boxes located below the storage box shelf plate.

[0009] Preferably: the box taking assembly comprises a box taking support mounted on the mounting rack, a plurality of vertical push rods are slidably connected with the box taking support through linear bearings and arranged longitudinally, an adsorbing disc seat plate capable of penetrating the box structure is mounted at the top of each vertical push rod, and a box taking adsorbing disc is mounted on each adsorbing disc seat plate and used for adsorbing the packaging boxes stored on the stacking storage assembly; a plurality of crank mounting plates corresponding to the plurality of vertical push rods are mounted on the box taking support, a connecting crank is arranged between the corresponding vertical push rod and the crank mounting plate and pivotally connected with the two, a horizontal push rod is slidably connected with the box taking support through a linear bearing, the horizontal push rod is arranged transversely below the plurality of connecting cranks, and the lower ends of the plurality of connecting cranks are pivotally connected with the horizontal push rod; a box taking cylinder is further mounted on the box taking support, the extending end of the box taking cylinder is connected with the end of the horizontal push rod, and the horizontal push rod is driven to move transversely along the axial direction of the horizontal push rod.

[0010] Preferably: the material adding assembly comprises a material adding mounting rack mounted on the mounting rack, a plurality of discharge three-way pipes are arranged along the width direction of the mounting rack, a plurality of discharge control valves are mounted on the material adding mounting rack and used for controlling the opening and closing states of the discharge ports of the plurality of discharge three-way pipes; a plurality of valve body mounting cylinders are further mounted on the material adding mounting rack and used for mounting the plurality of discharge control valves.

[0011] Preferably: the weighing assembly comprises a weighing mounting rack mounted on the mounting rack and located below the box structure, a plurality of weighing sensors are arranged along the width direction of the mounting rack, and a plurality of weighing supporting plates penetrating the box structure are mounted through the plurality of weighing sensors, and the top surfaces of the plurality of weighing supporting plates are flush with the supporting surface of the box structure.

[0012] Preferably, the tray structure comprises a tray bottom plate fixedly connected to the mounting rack, a plurality of limiting partition plates are fixedly connected to the top surface of the tray bottom plate and arranged side by side, for separating the top surface of the tray bottom plate into a plurality of channels through which the packaging boxes pass; a plurality of slot holes through which the box taking assembly penetrates and a plurality of slot holes through which the weighing assembly penetrates are formed in the tray bottom plate.

[0013] Preferably, the chain type pushing assembly comprises two transmission shafts distributed at the two ends of the length direction of the mounting rack and rotationally connected thereto, the two transmission shafts are arranged transversely; two groups of chain wheel transmission pairs are arranged side by side and mounted between the two transmission shafts, a plurality of slotted push plates are arranged side by side and mounted between the two groups of chain wheel transmission pairs, a plurality of open grooves adapted to the outer wall of the packaging box are formed in each slotted push plate; the chain type pushing assembly further comprises a transmission motor mounted on the mounting rack and used for driving the transmission shafts to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view structural schematic diagram of the utility model;

[0015] Figure 2 is a three-dimensional structural schematic diagram of the box stacking and storing assembly in the utility model;

[0016] Figure 3 is a side view structural schematic diagram of the box taking assembly in the utility model;

[0017] Figure 4 is a three-dimensional structural schematic diagram of the material adding assembly and the weighing assembly in the utility model;

[0018] Figure 5 is a three-dimensional structural schematic diagram of the chain type pushing assembly and the tray structure in the utility model;

[0019] Figure 6 is a local sectional view structural schematic diagram of the packaging box in the utility model.

[0020] In the diagram: 1. Mounting frame; 2. Chain pusher assembly; 2-1. Drive shaft; 2-2. Sprocket drive pair; 2-3. Grooved push plate; 2-4. Transmission motor; 3. Stacked box storage assembly; 3-1. Side support plate; 3-2. Side support drive cylinder; 3-3. Box outlet; 3-4. Storage box mounting frame; 3-5. Adjusting guide rail; 3-6. Storage box mounting plate; 3-7. Storage box limiting rod; 3-8. Grooved connecting plate; 3-9. Box placement slot; 4. Feeding assembly; 4-1. Discharge tee pipe; 4-2. Feeding mounting frame; 4-3. Valve body mounting cylinder; 4 -4. Discharge control valve; 5. Weighing assembly; 5-1. Weighing mounting bracket; 5-2. Sensor pad; 5-3. Weighing sensor; 5-4. Weighing support plate; 6. Box support structure; 6-1. Box support base plate; 6-2. Limiting partition plate; 7. Box retrieval assembly; 7-1. Box retrieval cylinder seat; 7-2. Box retrieval cylinder; 7-3. Bearing upright plate; 7-4. Horizontal push rod; 7-5. Connecting crank; 7-6. Vertical push rod; 7-7. Bearing seat plate; 7-8. Suction cup seat plate; 7-9. Box retrieval suction cup; 7-10. Crank mounting plate; 8. Packaging box. Detailed Implementation

[0021] To further understand the invention content, features, and effects of this utility model, the following embodiments are provided in detail:

[0022] Please see Figure 1 The pre-made food packaging device of this utility model includes an installation frame 1, with several support legs installed at the bottom of the installation frame 1. A tray structure 6 is installed on the installation frame 1 to support packaging boxes 8. A stacking storage component 3 and a filling component 4 are installed on the installation frame 1, located above the tray structure 6 and distributed along the length of the installation frame 1. A box-retrieving component 7, penetrating the tray structure 6, is provided below the stacking storage component 3 to grab the packaging box 8 stored at the bottom of the stacking storage component 3 and transfer the packaging box 8 to the tray structure 6. A weighing component 5 is provided below the filling component 4 to weigh the packaging box 8 and its contents in real time. It also includes a chain-type pushing component 2 installed on the installation frame 1 to push the packaging box 8 along the length of the installation frame 1. The structure of the packaging box 8 is as follows: Figure 6 As shown, its upper part has an outwardly extending ridge, which facilitates the stacking of several packaging boxes 8.

[0023] like Figure 2As shown in the drawings, the above-mentioned stacked box storage assembly 3 comprises two storage box mounting racks 3-4 fixedly connected to the mounting rack 1 and oppositely arranged, and a transversely position-adjustable storage box shelf 3-6 mounted between the two storage box mounting racks 3-4; each storage box mounting rack 3-4 is fixedly connected with an adjusting guide rail 3-5 extending along the length direction of the mounting rack 1, the storage box shelf 3-6 is slidably connected with the corresponding adjusting guide rail 3-5 through a sliding block, a threaded sleeve is fixedly connected to the storage box shelf 3-6, and a jacking screw penetrating through the storage box shelf 3-6 is screwed into the threaded sleeve, used to be in contact with the top surface of the storage box mounting rack 3-4, so as to lock the transverse position of the storage box shelf 3-6.

[0024] A plurality of box outlet openings 3-3 are arranged in parallel along the width direction of the mounting rack 1 on the storage box shelf 3-6, and the packaging boxes 8 can freely fall from the box outlet openings 3-3. In this embodiment, the box outlet openings 3-3 are provided with three.

[0025] The stacked box storage assembly 3 further comprises a slotted connecting plate 3-8 mounted at the middle of the plurality of storage box limiting rods 3-7, a plurality of box placing slots 3-9 are arranged on the slotted connecting plate 3-8, and each of the plurality of box placing slots 3-9 corresponds to one of the plurality of box outlet openings 3-3. A plurality of edge supporting driving cylinders 3-2 are arranged in pairs around each of the box outlet openings 3-3, and an L-shaped edge supporting plate 3-1 is mounted at the extending end of each of the edge supporting driving cylinders 3-2. At least one pair of edge supporting driving cylinders 3-2 is fixedly connected to the top surface of the storage box shelf 3-6, used to support a plurality of packaging boxes 8 above the storage box shelf 3-6; at least one pair of edge supporting driving cylinders 3-2 is fixedly connected to the bottom surface of the storage box shelf 3-6, used to support a plurality of packaging boxes 8 in the bottom layer below the storage box shelf 3-6. The two edge supporting driving cylinders 3-2 in each pair are evenly distributed along the circumferential direction of the box outlet opening 3-3.

[0026] Further referring to Figure 3 The above-mentioned box taking assembly 7 comprises a box taking support mounted on the mounting rack 1, a plurality of vertical push rods 7-6 are slidably connected to the box taking support through linear bearings and arranged longitudinally, a suction cup base plate 7-8 penetrating through the box taking structure 6 is mounted at the top of each vertical push rod 7-6, and a box taking suction cup 7-9 is mounted on each suction cup base plate 7-8, used to adsorb the packaging boxes 8 stored on the stacked box storage assembly 3.

[0027] A plurality of crank mounting plates 7-10 corresponding to the plurality of vertical push rods 7-6 are mounted on the box taking support, a connecting crank 7-5 pivotally connected to the vertical push rod 7-6 and the crank mounting plate 7-10 is arranged therebetween, a horizontal push rod 7-4 is connected to the box taking support through a linear bearing, the horizontal push rod 7-4 is arranged transversely below the plurality of connecting cranks 7-5, the lower end of the plurality of connecting cranks 7-5 is pivotally connected to the horizontal push rod 7-4, a box taking cylinder 7-2 is mounted on the box taking support, the extending end of the box taking cylinder 7-2 is connected to the end of the horizontal push rod 7-4, and the box taking cylinder 7-2 is used to drive the horizontal push rod 7-4 to move transversely along the axial direction.

[0028] In the embodiment, the vertical push rod 7-6 is provided with three, the box taking suction disc 7-9 is arranged corresponding to the plurality of box outlet ports 3-3, the middle bending part of the connecting crank 7-5 is pivotally connected to the crank mounting plate 7-10, the upper end of the connecting crank 7-5 is pivotally connected to the lower end of the vertical push rod 7-6, and the lower end is pivotally connected to the horizontal push rod 7-4. Further, a strip-shaped hole is arranged at both ends of the connecting crank 7-5, and the connecting crank 7-5 is pivotally connected to the corresponding vertical push rod 7-6 and the horizontal push rod 7-4 through the pin shaft arranged in the strip-shaped hole.

[0029] Further, the box taking support includes a bearing seat plate 7-7 fixedly connected to the mounting rack 1, the plurality of vertical push rods 7-6 are slidably connected to the bearing seat plate 7-7 through linear bearings, two bearing vertical plates 7-3 are fixedly connected to the bearing seat plate 7-7, the horizontal push rod 7-4 is slidably connected to the two bearing vertical plates 7-3 through linear bearings, a box taking cylinder seat 7-1 is mounted on the bearing seat plate 7-7, and the cylinder of the box taking cylinder 7-2 is fixedly connected to the box taking cylinder seat 7-1.

[0030] In the actual working process, a plurality of packaging boxes 8 in a stacked state are inserted into a plurality of box outlet openings 3-3 in the box stacking storage assembly 3, the piston rods of a plurality of edge supporting driving cylinders 3-2 are in an extended state, thereby causing the edge supporting plate 3-1 to support the plurality of packaging boxes 8; when the box taking suction cup 7-9 moves upward to the highest position, it will negatively adsorb the packaging box 8 at the bottom layer, and then the piston rods of each edge supporting driving cylinder 3-2 located below the box storage apron 3-6 retract, causing the corresponding edge supporting plate 3-1 to release the supporting operation on the packaging box 8 at the bottom layer, so that the packaging box 8 adsorbed can move to the box supporting structure 6 with the descending box taking suction cup 7-9; then the piston rods of each edge supporting driving cylinder 3-2 located below the box storage apron 3-6 extend, and the piston rods of each edge supporting driving cylinder 3-2 located above the box storage apron 3-6 retract, thereby causing the plurality of packaging boxes 8 in a stacked state to sink a distance and then fall onto the edge supporting plate 3-1 below, thereby being supported, and finally the piston rods of each edge supporting driving cylinder 3-2 located above the box storage apron 3-6 extend, causing the corresponding edge supporting plate 3-1 to support the plurality of packaging boxes 8 above the bottom layer packaging box 8; when the box taking suction cup 7-9 moves upward to the highest position again, the above operation is repeated.

[0031] As shown in Figure 4 The above-mentioned material adding assembly 4 includes a material adding mounting frame 4-2 mounted on the mounting rack 1, a plurality of material outlet three-way pipes 4-1 are mounted on the material adding mounting frame 4-2 and distributed along the width direction of the mounting rack 1, and the plurality of material outlet three-way pipes 4-1 are in communication with a material bin for storing pre-prepared dishes through pipelines. A plurality of material outlet control valves 4-4 are mounted on the material adding mounting frame 4-2 and are used to control the opening and closing state of the material outlet of the plurality of material outlet three-way pipes 4-1; a plurality of valve body mounting cylinders 4-3 are mounted on the material adding mounting frame 4-2 and are used to mount the plurality of material outlet control valves 4-4.

[0032] As shown in Figure 4 The above-mentioned weighing assembly 5 includes a weighing mounting frame 5-1 mounted on the mounting rack 1 and located below the box supporting structure 6, a plurality of weighing sensors 5-3 are mounted on the weighing mounting frame 5-1 and distributed along the width direction of the mounting rack 1, and a plurality of weighing supporting plates 5-4 are mounted through the plurality of weighing sensors 5-3 and penetrate the box supporting structure 6, and the top surface of each weighing supporting plate 5-4 is flush with the supporting surface of the box supporting structure 6. Further, a plurality of sensor pad blocks 5-2 are mounted on the weighing mounting frame 5-1 and are used to mount a plurality of weighing sensors 5-3, respectively, and a pad block is mounted on each weighing sensor 5-3 and is used to mount the corresponding weighing supporting plate 5-4.

[0033] Further referring to Figure 5The above-mentioned tray structure 6 comprises a tray bottom plate 6-1 fixedly connected to the mounting rack 1, a plurality of limiting partition plates 6-2 are fixedly connected to the top surface of the tray bottom plate 6-1 and arranged side by side, for separating the top surface of the tray bottom plate 6-1 into a plurality of passages through which the packaging boxes 8 pass, wherein the above-mentioned limiting partition plates 6-2 are provided with two.

[0034] As shown in Figure 5 The above-mentioned chain type pushing assembly 2 comprises two transmission shafts 2-1 distributed at the lengthwise two ends of the mounting rack 1 and rotationally connected thereto, both of which are arranged transversely; two sets of chain wheel transmission pairs 2-2 are arranged side by side and mounted between the two transmission shafts 2-1; a plurality of slotted push plates 2-3 are arranged side by side and mounted between the two sets of chain wheel transmission pairs 2-2; a plurality of open slots are formed on each slotted push plate 2-3 and adapted to the outer wall of the packaging box 8, and three open slots are formed on each slotted push plate 2-3. The chain wheel transmission pair 2-2 comprises a driving chain wheel mounted on one transmission shaft 2-1, a driven chain wheel mounted on the other transmission shaft 2-1, and a transmission chain mounted between the driving chain wheel and the driven chain wheel. The above-mentioned transmission chain adopts a bent plate chain, and the plurality of slotted push plates 2-3 are mounted between the two transmission chains. The chain type pushing assembly 2 further comprises a transmission motor 2-4 mounted on the mounting rack 1 and used for driving the rotation of the transmission shaft 2-1, and the output shaft of the transmission motor 2-4 is connected to the end of one transmission shaft 2-1.

[0035] Working principle:

[0036] In the initial state, the plurality of discharge three-way pipes 4-1 in the feeding assembly 4 are all in communication with the stock bin for storing pre-prepared dishes through pipelines, a plurality of packaging boxes 8 in a stacked state are inserted into the plurality of discharge ports 3-3 in the box stacking storage assembly 3, and the piston rods of the plurality of edge supporting cylinders 3-2 are all in an extended state to support the plurality of packaging boxes 8.

[0037] The box taking assembly 7 is started to drive the horizontal push rod 7-4 to move horizontally, under the drive of the plurality of connecting cranks 7-5, each vertical push rod 7-6 moves up and down synchronously to drive each suction cup seat plate 7-8 and each box taking suction cup 7-9 to move up and down. When the box taking suction cup 7-9 moves up to the highest position, the packaging box 8 at the bottom layer is adsorbed by negative pressure, and the adsorbed packaging box 8 is transferred to the tray structure 6 as the box taking suction cup 7-9 moves downward. In the process of adsorbing and transferring the packaging box 8, the plurality of edge supporting cylinders 3-2 arranged in pairs are alternately started to release the bottom layer packaging box 8, and the stacked plurality of packaging boxes 8 are supported after sinking a distance (the specific operation process is described above, and details are not described here).

[0038] After the packaging box 8 to be adsorbed moves to the box supporting structure 6 with the descending box taking suction cup 7-9, the negative pressure adsorption of the packaging box 8 is released, and the chain type pushing assembly 2 is started to drive a plurality of slotted pushing plates 2-3 to move, thereby pushing the packaging box 8 into the weighing assembly 5 below the material adding assembly 4 to perform the filling and material adding operation. During the filling and material adding process, the weighing sensor 5-3 in the weighing assembly 5 can detect the weight of the material in the packaging box 8 in real time. When the weight reaches a preset value, the discharge control valve 4-4 is started, the discharge port of the discharge three-way pipe 4-1 is closed, and the filling operation is stopped. Then the chain type pushing assembly 2 is started again to push the packaging box 8 that has completed the filling operation to the subsequent process.

Claims

1. A pre-packaging device for food products, characterized in that it comprises: The application relates to a packaging box installation machine, which comprises a mounting rack (1), a supporting box structure (6) installed on the mounting rack (1) and used for supporting a packaging box (8), a box stacking storage assembly (3) and a material adding assembly (4) installed above the supporting box structure (6) and distributed along the length direction of the mounting rack (1), a box taking assembly (7) arranged below the box stacking storage assembly (3) and penetrating through the supporting box structure (6) and used for grabbing the packaging box (8) at the bottom stored on the box stacking storage assembly (3) and transferring the packaging box (8) to the supporting box structure (6), and a weighing assembly (5) arranged below the material adding assembly (4) and used for weighing the packaging box (8) and the content in real time; and a chain type material pushing assembly (2) installed on the mounting rack (1) and used for pushing the packaging box (8) to move along the length direction of the mounting rack (1).

2. The prepackaged meal boxing apparatus of claim 1, wherein: The box stacking storage assembly (3) comprises two box storage mounting racks (3-4) fixedly connected to the mounting rack (1) and oppositely arranged, a box storage connecting plate (3-6) installed between the two box storage mounting racks (3-4) and adjustable in transverse position, a plurality of box outlet openings (3-3) arranged on the box storage connecting plate (3-6) and parallelly distributed along the width direction of the mounting rack (1), the packaging box (8) can freely fall from the box outlet openings (3-3), a plurality of box limiting rods (3-7) fixedly connected to the box storage connecting plate (3-6) and arranged on the periphery of each box outlet opening (3-3) and used for limiting the packaging boxes (8), a slotted connecting plate (3-8) installed in the middle of the box limiting rods (3-7), a plurality of box placing slots (3-9) arranged on the slotted connecting plate (3-8) and corresponding to the box outlet openings (3-3) one by one, a plurality of supporting edge driving cylinders (3-2) arranged in pairs on the periphery of each box outlet opening (3-3), and an L-shaped supporting edge plate (3-1) installed at the extending end of each supporting edge driving cylinder (3-2); at least one pair of supporting edge driving cylinders (3-2) is fixedly connected to the top surface of the box storage connecting plate (3-6) and used for supporting the packaging boxes (8) above the box storage connecting plate (3-6); and at least one pair of supporting edge driving cylinders (3-2) is fixedly connected to the bottom surface of the box storage connecting plate (3-6) and used for supporting the packaging boxes (8) at the bottom layer below the box storage connecting plate (3-6).

3. The prepackaged food product packaging apparatus of claim 1, wherein: The box taking assembly (7) comprises a box taking support installed on the mounting rack (1), a plurality of vertical push rods (7-6) are longitudinally arranged and are connected to the box taking support through linear bearings, a suction disc base plate (7-8) capable of penetrating the box supporting structure (6) is installed on the top of each vertical push rod (7-6), a box taking suction disc (7-9) is installed on each suction disc base plate (7-8) and is used for adsorbing the packaging box (8) stored on the box stacking and storing assembly (3); a plurality of crank mounting plates (7-10) corresponding to the plurality of vertical push rods (7-6) are installed on the box taking support, a connecting crank (7-5) is arranged between the corresponding vertical push rod (7-6) and the crank mounting plate (7-10) and is pivotally connected to the two, a horizontal push rod (7-4) is slidably connected to the box taking support through a linear bearing, the horizontal push rod (7-4) is arranged horizontally below the plurality of connecting cranks (7-5), and the lower ends of the plurality of connecting cranks (7-5) are pivotally connected to the horizontal push rod (7-4); a box taking cylinder (7-2) is installed on the box taking support, the extending end of the box taking cylinder (7-2) is connected to the end of the horizontal push rod (7-4), and the box taking cylinder (7-2) is used for driving the horizontal push rod (7-4) to move horizontally along the axial direction thereof.

4. The prepackaged food product packaging apparatus of claim 1 wherein: The material adding assembly (4) comprises a material adding mounting rack (4-2) installed on the mounting rack (1), a plurality of discharge three-way pipes (4-1) are distributed along the width direction of the mounting rack (1) and are installed on the material adding mounting rack (4-2), a plurality of discharge control valves (4-4) are installed on the material adding mounting rack (4-2) and are used for controlling the opening and closing states of the discharge ports of the plurality of discharge three-way pipes (4-1), respectively; a plurality of valve body mounting cylinders (4-3) are installed on the material adding mounting rack (4-2) and are used for mounting the plurality of discharge control valves (4-4), respectively.

5. The prepackaged food product packaging apparatus of claim 1 wherein: The weighing assembly (5) comprises a weighing mounting rack (5-1) installed on the mounting rack (1) and located below the box supporting structure (6), a plurality of weighing sensors (5-3) are distributed along the width direction of the mounting rack (1) and are installed on the weighing mounting rack (5-1), and a plurality of weighing supporting plates (5-4) penetrating the box supporting structure (6) are installed through the plurality of weighing sensors (5-3), and the top surfaces of the weighing supporting plates (5-4) are flush with the supporting surface of the box supporting structure (6).

6. The prepackaged food product packaging apparatus of claim 1 wherein: The box supporting structure (6) comprises a box supporting bottom plate (6-1) fixedly connected to the mounting rack (1), a plurality of limiting and separating plates (6-2) are fixedly connected to the top surface of the box supporting bottom plate (6-1) and are arranged side by side, the top surface of the box supporting bottom plate (6-1) is separated into a plurality of channels through which the packaging box (8) can pass, and a plurality of slot holes through which the box taking assembly (7) penetrates and a plurality of slot holes through which the weighing assembly (5) penetrates are formed in the box supporting bottom plate (6-1).

7. The prepackaged food product packaging apparatus of claim 1, wherein: The chain type pushing assembly (2) comprises two transmission rotating shafts (2-1) distributed at the length direction of the mounting rack (1) and rotationally connected with the mounting rack (1), the two transmission rotating shafts (2-1) are transversely arranged; two sets of chain wheel transmission pairs (2-2) are arranged in parallel and mounted between the two transmission rotating shafts (2-1), a plurality of slotted push plates (2-3) are arranged in parallel and mounted between the two sets of chain wheel transmission pairs (2-2), a plurality of open grooves compatible with the outer wall of the packaging box (8) are formed on each slotted push plate (2-3); and the transmission motor (2-4) for driving the rotation of the transmission rotating shaft (2-1) is mounted on the mounting rack (1).

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