Automatic packaging device for nutritious food

Abstract

The utility model discloses an automatic packaging device for nutritious food, which belongs to the technical field of packaging devices and comprises two mutually fixed side plates, the inner side wall of the rear side plate is rotatably connected with two first transmission wheels, and the inner side wall of the front side plate is rotatably connected with two second transmission wheels. The two first transmission wheels are in transmission connection through a box body conveying belt, a plurality of box body positioning devices are evenly arranged on the box body conveying belt, and the two second transmission wheels are in transmission connection through an inner bag conveying belt. The clearance mechanism operates to drive the box body conveying belt and the inner bag conveying belt to rotate clockwise intermittently, and when the box body conveying belt and the inner bag conveying belt stop each time, a certain box body positioning device is in butt joint with a corresponding inner bag positioning device. At the moment, the pushing device acts to push the inner bags in the inner bag positioning device to move backwards to enter the corresponding box bodies, the purpose that the inner bags are put into the box bodies is achieved, along with operation of the intermittent mechanism, the box bodies containing the inner bags are discharged from the right side, and the purpose that the inner bags are put into the box bodies automatically is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of packing device, in particular to a kind of automatic packing device of nutrient food. BACKGROUND

[0002] At present, in the production of nutrient food, first, the finished product produced is loaded into inner bag, the sealing of inner bag can prolong the shelf life of nutrient food, then the inner bag is loaded into box body 6, box body 6 is generally rectangular paper box, is the outer package of nutrient food, is the important carrier of brand, conveys brand concept and cultural value through design element, enhances the cognition and identification of brand to consumer.

[0003] In the work of loading inner bag into box body 6, since the inner bag filled with nutrient food is small in size, it is generally realized manually, and the manual packaging workload is large, and the production efficiency is low.

[0004] Through retrieval, patent number: CN115871999A provides a box filling machine, and the box filling machine is provided with an opening box station, a cover folding station, a main cover folding station and a main cover tongue inserting station arranged in sequence along the processing direction;The box filling machine comprises: an opening box mechanism, the opening box mechanism is arranged correspondingly with the opening box station;Insert box assembly, the insert box assembly includes a first cover folding assembly, a second cover folding assembly, a main cover folding assembly and an insert box conveying line;The insert box conveying line passes through the cover folding station, the main cover folding station and the main cover tongue inserting station, the first cover folding assembly and the second cover folding assembly are arranged correspondingly with the cover folding station, and the main cover folding assembly is arranged correspondingly with the main cover folding station;The main cover folding assembly comprises a main cover turnover assembly, the main cover turnover assembly comprises a main cover turnover driving structure and a main cover turnover plate, and the main cover turnover driving structure drives the main cover turnover plate to rotate;Product conveying line;Filling mechanism. It can greatly ensure that the long and soft main cover of the packaging box can be smoothly inserted into the box, so as to improve the success rate of inserting the box.

[0005] In the above scheme, the box body is transported into the box body on the product conveying mold in the second conveying line through the first conveying line, since the second conveying line is a belt conveyor, it is not easy to control the position of the box body during work, the butt joint of the box body and the product conveying mold is facilitated, and failure cases are easily produced in production, thereby reducing the production efficiency. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of automatic packing device of nutrient food, with the advantages of automatic loading of inner bag into box body, effectively solve the problem of low work efficiency of inner bag loading into box body in prior art.

[0007] The utility model discloses adopt following technical scheme: a kind of automatic packaging device of nutrient food, including two mutually fixed side plates, the inner side wall of rear side plate is rotatably connected with two first transmission wheels, the inner side wall of front side plate is rotatably connected with two second transmission wheels, two first transmission wheels are driven connection by box body conveying belt, box body conveying belt is evenly provided with several box body positioning devices, two second transmission wheels are driven connection by inner bag conveying belt, and several inner bag positioning devices are provided on inner bag conveying belt, the first transmission wheel of left side and the second transmission wheel of right side are staggered arrangement, so that box body conveying belt and inner bag conveying belt have set overlapping portion, intermittent mechanism is provided on the front side plate, and the output end of intermittent mechanism is connected with the first transmission wheel of left side and the second transmission wheel of right side, and intermittent mechanism operates to drive the first transmission wheel of left side and the second transmission wheel of right side to rotate synchronously clockwise intermittently;Pusher is provided on side plate, when certain box body positioning device is butt joint with corresponding inner bag positioning device, pusher actuates and propels inner bag in inner bag positioning device to move backward and enter corresponding box body.

[0008] Further, the box body positioning device includes a plurality of positioning rods fixedly arranged on the front and rear sides of the outer surface of the box body conveying belt, each positioning rod is evenly arranged along the direction of the box body conveying belt, and a positioning space is formed between adjacent positioning rods.

[0009] Further, the inner bag positioning device includes a plurality of groove bodies fixedly arranged on the outer surface of the inner bag conveying belt, each groove body is in U-shaped structure, and the groove bodies are one-to-one corresponding to the positioning spaces on the box body conveying belt.

[0010] Further, the intermittent mechanism includes an intermittent disc and a driving wheel, the intermittent disc is coaxially fixedly arranged with the rotating shaft of the second transmission wheel on the right side, the driving wheel is rotatably connected with the side plate on the front side, the intermittent disc is evenly provided with a plurality of circular holes in the circumferential direction, and the circumferential surface of the intermittent disc is provided with a gap in communication with the circular holes; the driving wheel includes a column body arranged vertically, a ring body is fixedly arranged on the upper part and the lower part of the outer surface of the column body, each ring body is provided with a notch aligned above and below, a driving part is fixedly arranged between one end of the ring body on the upper side and the corresponding end of the ring body on the lower side, the driving part is a spiral sheet structure fixed on the outer surface of the column body, the ring body on the upper side is located in the corresponding circular hole on the upper side of the intermittent disc, and the ring body on the lower side is located in the corresponding circular hole on the lower side of the intermittent disc.

[0011] Further, the driving wheel is coaxially fixedly provided with a vertical shaft, the upper end and the lower end of the vertical shaft are rotatably connected with fixing blocks, the front side surfaces of the two fixing blocks are fixedly arranged with the side plate on the front side, the upper end surface of the fixing block on the upper side is fixedly provided with a servo motor, and the output shaft of the servo motor is fixedly arranged with the top end of the vertical shaft.

[0012] Further, the rotation shafts of the first transmission wheel on the left side and the second transmission wheel on the right side are fixedly provided with synchronous wheels, and the synchronous wheels are connected through a synchronous belt.

[0013] Further, the push device comprises an L-shaped rod fixedly arranged on the rear side of the side plate, the lower end surface of the horizontal part of the L-shaped rod is fixedly provided with a hydraulic telescopic rod, the outer end of the telescopic rod of the hydraulic telescopic rod is fixedly provided with a vertical plate, and the bottom end of the vertical plate is fixedly provided with a push plate.

[0014] Further, the front side of the side plate is fixedly provided with two clamping plates, and the push plate is slidably arranged with the two clamping plates.

[0015] Further, a support rod is arranged above the push plate in the front-rear direction, the front-rear two ends of the support rod are fixedly arranged with the side plate through fixing rods, the support rod penetrates through the vertical plate, the upper end surface of the support rod is fixedly provided with a plurality of support bodies in the front-rear direction, the support bodies comprise support blocks above and vertical rods below, the upper end surface of the support block is provided with an arc groove matched with the telescopic rod for receiving the telescopic rod, and the bottom end of the vertical rod is fixedly arranged with the support rod; the vertical plate is provided with through holes matched with the support blocks and the vertical rods.

[0016] Further, the upper end surface of the plate is fixedly provided with a guide rail in the front-rear direction, the lower end surface of the vertical plate is provided with a guide groove, the vertical plate is slidably arranged with the push plate in the front-rear direction through the guide rail and the guide groove, the vertical plate is provided with an operation hole, the vertical plate is threadedly connected with an internal hexagonal locking bolt through the inner bottom wall of the operation hole, and the bottom end of the internal hexagonal locking bolt abuts against the upper end surface of the guide rail.

[0017] One, the utility model discloses a box body conveying belt, inner bag conveying belt, box body positioning device, inner bag positioning device, intermittent mechanism and push device are set up, when using the device, the intermittent mechanism is operated to drive the clockwise intermittent rotation of the box body conveying belt and the inner bag conveying belt, when the box body conveying belt and the inner bag conveying belt stop each time, a certain box body positioning device is connected with the corresponding inner bag positioning device, at this moment, the push device moves the inner bag in the inner bag positioning device to the rear to enter the corresponding box body, realizes the purpose that the inner bag is loaded into the box body, along with the operation of the intermittent mechanism, the box body loaded with the inner bag is discharged from the right side, and the inner bag loaded into the box body realizes the purpose of automation.

[0018] Two, the utility model discloses a hydraulic telescopic rod, vertical plate and push plate are set up, when using the device, when the inner bag conveying belt and the box body conveying belt stop, the hydraulic telescopic rod is contracted to drive the push plate to move to the rear through the vertical plate, so that the push plate pushes the inner bag in the corresponding groove into the corresponding box body in the rear, completes the work that the inner bag is loaded into the box body once, then the telescopic rod of the hydraulic telescopic rod is extended to drive the push plate to move forward until the push plate moves to the front of the groove, does not affect the next movement of the groove, realizes the purpose that the inner bag is pushed into the box body. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0020] Figure 2 This is a front view structural diagram of the present utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the fixing rod in this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the support body in this utility model;

[0023] Figure 5 This is a front view schematic diagram of the connecting rod in this utility model;

[0024] Figure 6 This is a three-dimensional structural diagram of the vertical plate in this utility model;

[0025] Figure 7 This is a three-dimensional structural diagram of the box conveyor belt and the inner bag conveyor belt in this utility model;

[0026] Figure 8 This is a three-dimensional structural diagram of the synchronous pulley in this utility model;

[0027] Figure 9 This is a front view schematic diagram of the intermittent disk structure in this utility model;

[0028] Figure 10 This is a three-dimensional structural diagram of the synchronization belt in this utility model.

[0029] In the diagram, 1. Side plate; 2. First drive wheel; 3. Second drive wheel; 4. Box body conveyor belt; 5. Inner bag conveyor belt; 6. Box body; 7. Positioning rod; 8. Groove; 9. Intermittent disc; 10. Circular hole; 11. Column; 12. Ring; 13. Drive unit; 14. Vertical shaft; 15. Fixing block; 16. Servo motor; 17. Synchronous pulley; 18. Synchronous belt; 19. L-bar; 20. Hydraulic telescopic rod; 21. Telescopic rod; 22. Vertical plate; 23. Push plate; 24. Clamping plate; 25. Support rod; 26. Fixing rod; 27. Support block; 28. Vertical rod; 29. ​​Through hole; 30. Guide rail; 31. Operating hole; 32. Hex socket head cap screw; 33. Connecting rod; 34. Locking block; 35. Mounting groove; 36. Long hole; 37. Fixing bolt. Detailed Implementation

[0030] Please see Figures 1-10 The present invention will now be described in detail with reference to the accompanying drawings and embodiments:

[0031] The utility model discloses a nutrition food automatic packing device, including two mutual fixed side board 1, the inside wall rotationally connected with two first transmission 2 of rear side board 1, the inside wall rotationally connected with two second transmission 3 of front side side board 1, two first transmission 2 are driven connection through box body conveyer belt 4, and box body conveyer belt 4 is evenly provided with a plurality of box body positioning device, and two second transmission 3 are driven connection through inner bag conveyer belt 5, and inner bag conveyer belt 5 is provided with a plurality of inner bag positioning device, and the first transmission 2 of left side and the second transmission 3 of right side staggered arrangement, so that box body conveyer belt 4 and inner bag conveyer belt 5 have the set overlapping portion, and the intermittent mechanism is set on the front side side board 1, and the output of intermittent mechanism is connected with the first transmission 2 of left side and the second transmission 3 of right side, and the intermittent mechanism operation drives the first transmission 2 of left side and the second transmission 3 of right side synchronous clockwise intermittent rotation, and further drive box body conveyer belt 4 and inner bag conveyer belt 5 clockwise intermittent rotation, and the box body conveyer belt 4 and inner bag conveyer belt 5 stop each time, and there is some box body positioning device and corresponding inner bag positioning device docking.

[0032] When using, cooperate with the existing feeding machine, the box body 6 is put into the corresponding box body positioning device in the feeding machine when the box body conveyer belt 4 and inner bag conveyer belt 5 stop each time, and the inner bag is put into the inner bag positioning device from the left side, and the intermittent mechanism operation drives box body conveyer belt 4 and inner bag conveyer belt 5 clockwise intermittent rotation, and the box body conveyer belt 4 and inner bag conveyer belt 5 stop each time, and there is some box body positioning device and corresponding inner bag positioning device docking, at this time, the inner bag (in the figure) in the inner bag positioning device is pushed back into the corresponding box body 6 by the pusher device, and the purpose of loading the inner bag into the box body 6 is realized, and with the operation of the intermittent mechanism, the box body 6 loaded with the inner bag is discharged from the right side, and the purpose of automatic loading of the inner bag into the box body 6 is realized.

[0033] In the embodiment, the box body positioning device includes a plurality of positioning rods 7 fixedly arranged on the front and rear sides of the outer surface of the box body conveyer belt 4, each positioning rod 7 is evenly arranged along the direction of the box body conveyer belt 4, and a positioning space is formed between adjacent positioning rods 7, the feeding machine puts the box body 6 into the positioning space, and the feeding of the box body 6 is completed.

[0034] In the embodiment, the inner bag positioning device includes a groove 8 fixedly arranged on the outer surface of the inner bag transmission belt, the groove 8 is a U-shaped structure, the inner bag is put into the groove 8, and the feeding of the inner bag is completed, and the groove 8 is correspondingly arranged with the positioning space on the box body conveyer belt 4.

[0035] In the embodiment, the intermittent mechanism comprises an intermittent disc 9 and a driving wheel, the intermittent disc 9 is coaxially fixed with the rotating shaft of the second transmission wheel 3 on the right side, the driving wheel is rotationally connected with the side plate 1 on the front side, the intermittent disc 9 is uniformly provided with a plurality of circular holes 10 in the circumferential direction, and the circumferential surface of the intermittent disc 9 is provided with a gap communicating with the circular hole 10; the driving wheel comprises a column 11 arranged vertically, the upper part and the lower part of the outer surface of the column 11 are fixedly provided with ring bodies 12, each ring body 12 is provided with a gap aligned upward and downward, one end of the ring body 12 on the upper side and the corresponding end of the ring body 12 on the lower side are fixedly provided with a driving part 13, the driving part 13 is a spiral sheet structure fixed on the outer surface of the column 11, the ring body 12 on the upper side is located in the corresponding circular hole 10 on the upper side of the intermittent disc 9, and the ring body 12 on the lower side is located in the corresponding circular hole 10 on the lower side of the intermittent disc 9; by rotating the column 11 counterclockwise (the top view is taken as the reference) Figure 8 , the column 11 drives the ring body 12 and the driving part 13 to rotate, when the free end of the ring body 12 on the lower side is separated from the circular hole 10 of the intermittent disc, the connecting part of the ring body 12 on the upper side and the driving part 13 is separated from the corresponding circular hole 10, at the same time, the driving part 13 enters the circular hole 10 on the upper side to drive the intermittent disc to rotate clockwise, until the circular hole 10 on the upper side is located at the position of the circular hole 10 on the lower side, so that the ring body 12 on the lower side enters the original circular hole 10 on the upper side, and one clockwise rotation of the intermittent disc is completed, when the two ring bodies 12 are located in the corresponding circular holes 10, the intermittent disc 9 does not rotate, which is the stop state of the intermittent disc 9; the rotation of the intermittent disc 9 drives the rotating shaft of the second transmission wheel 3 on the right side to rotate, and further drives the second transmission wheel 3 on the right side to rotate clockwise intermittently.

[0036] In the embodiment, a vertical shaft 14 is coaxially fixed in the driving wheel, the upper end and the lower end of the vertical shaft 14 are rotationally connected with fixed blocks 15, the front side surfaces of the two fixed blocks 15 are fixedly provided with the side plate 1 on the front side, the upper end surface of the fixed block 15 on the upper side is fixedly provided with a servo motor 16, the output shaft of the servo motor 16 is fixedly provided with the top end of the vertical shaft 14, and the servo motor 16 drives the column 11 to rotate through the vertical shaft 14.

[0037] In the embodiment, the rotating shafts of the first transmission wheel 2 on the left side and the second transmission wheel 3 on the right side are fixedly provided with synchronous wheels 17, the synchronous wheels 17 are drivingly connected through a synchronous belt 18, when the rotating shaft of the second transmission wheel 3 on the right side rotates, the rotating shaft of the first transmission wheel 2 on the left side is driven to rotate through the synchronous wheel 17 and the synchronous belt 18, and further drives the first transmission wheel 2 on the left side to rotate clockwise synchronously, so as to realize the purpose of synchronously and intermittently rotating the box body conveying belt 4 and the inner bag conveying belt 5.

[0038] In the embodiment, the pushing device comprises an L-shaped rod 19 fixedly arranged on the rear side of the side plate 1, a lower end surface of a horizontal part of the L-shaped rod 19 is fixedly provided with a hydraulic telescopic rod 20, an outer end of a telescopic rod 21 of the hydraulic telescopic rod 20 is fixedly provided with a vertical plate 22, a bottom end of the vertical plate 22 is fixedly provided with a pushing plate 23; in use, when the inner bag conveying belt 5 and the box body conveying belt 4 rotate, the hydraulic telescopic rod 20 is in an extended state, so that the pushing plate 23 is located in front of the groove body 8 and does not interfere with the movement of the groove body 8, when the inner bag conveying belt 5 and the box body conveying belt 4 stop, the hydraulic telescopic rod 20 is retracted to drive the pushing plate 23 to move backward, so that the pushing plate 23 pushes the inner bag in the corresponding groove body 8 into the corresponding box body 6 behind, thereby completing the work of loading the inner bag into the box body 6 once, and then the telescopic rod 21 of the hydraulic telescopic rod 20 is extended to drive the pushing plate 23 to move forward until the pushing plate 23 moves to the front of the groove body 8, without affecting the next movement of the groove body 8.

[0039] Since the telescopic rod 21 of the hydraulic telescopic rod 20 is extended for a long time, the movement of the pushing plate 23 is unstable in actual production, in order to solve this problem, in the embodiment, the front side of the side plate 1 is fixedly provided with two clamping plates 24, and the pushing plate 23 is slidingly arranged with the two clamping plates 24, when the hydraulic telescopic rod 20 is extended and retracted, the pushing plate 23 moves, and the pushing plate 23 slides between the two clamping plates 24, thereby improving the stability of the movement of the pushing plate 23 and making the movement of the pushing plate 23 more accurate.

[0040] In order to further improve the stability of the movement of the pushing plate 23, in the embodiment, a support rod 25 is arranged above the pushing plate 23 in the front-rear direction, the front-rear two ends of the support rod 25 are fixedly arranged with the side plate 1 through fixing rods 26, the support rod 25 penetrates the vertical plate 22, the upper end surface of the support rod 25 is fixedly provided with a plurality of support bodies in the front-rear direction, the support bodies comprise support blocks 27 above and vertical rods 28 below, the upper end surface of the support block 27 is provided with an arc slot matched with the telescopic rod 21 for receiving the telescopic rod 21, and the bottom end of the vertical rod 28 is fixedly arranged with the support rod 25; the vertical plate 22 is provided with through holes 29 matched with the support blocks 27 and the vertical rods 28; when the hydraulic telescopic rod 20 drives the vertical plate 22 to move forward and backward through the telescopic rod 21, the vertical plate 22 drives the pushing plate 23 to move forward and backward, thereby achieving the purpose of loading the inner bag into the box body 6, when the vertical plate 22 moves forward and backward, the stationary support rod 25, the vertical rod 28 and the support block 27 pass through the through hole 29 of the vertical plate 22 in sequence, and the telescopic rod 21 is supported by the support block 27 when moving forward and backward, thereby improving the stability of the movement of the telescopic rod 21 and the stability of the movement of the pushing plate 23.

[0041] In order to realize the convenient disassembly and installation of the push plate 23 relative to the vertical plate 22, in the embodiment, the upper end surface of the push plate 23 is fixedly provided with a guide rail 30 in the front-rear direction, the lower end surface of the vertical plate 22 is provided with a guide groove, the vertical plate 22 is slidably arranged with the push plate 23 through the guide rail 30 and the guide groove in the front-rear direction, the vertical plate 22 is provided with an operation hole 31, the vertical plate 22 is threadedly connected with a hexagonal lock bolt 32 through the inner bottom wall of the operation hole 31, and the bottom end of the hexagonal lock bolt 32 abuts against the upper end surface of the guide rail 30; when the push plate 23 needs to be disassembled, the hexagonal wrench is inserted into the operation hole 31 to rotate the hexagonal lock bolt 32, so that the bottom end of the hexagonal lock bolt 32 moves upward and is separated from the upper end surface of the guide rail 30, then the push plate 23 can be slid out of the vertical plate 22, and the disassembly of the push plate 23 and the vertical plate 22 is realized, and the relative position of the push plate 23 and the vertical plate 22 can also be adjusted.

[0042] In order to increase the stability of the fixation of the vertical plate 22 and the push plate 23, in the embodiment, the rear side surface of the vertical plate 22 is fixedly provided with two connecting rods 33, the bottom end of each connecting rod 33 is fixedly provided with a locking block 34, the upper end surface of the push plate 23 is provided with a mounting groove 35 in the front-rear direction, the side surface of the push plate 23 is provided with a long hole 36 in communication with the mounting groove 35 in the front-rear direction, the locking block 34 is provided with a threaded hole, and a fixed bolt 37 is threadedly connected with the threaded hole of the locking block 34 through the long hole 36 to fix the position of the locking block 34 in the mounting groove 35, thereby realizing the fixation of the vertical plate 22 and the push plate 23 through the connecting rod 33, improving the stability of the fixation of the vertical plate 22 and the push plate 23, and when the relative position of the vertical plate 22 and the push plate 23 is adjusted, the locking block 34 can be adaptively moved in position in the mounting groove 35 and be fixed in position by the fixed bolt 37; when the push plate 23 slides between the two clamping plates 24, in order to avoid the fixed bolt 37, the side surface opposite to the two clamping plates 24 corresponding to the fixed bolt 37 is provided with an avoidance sliding groove, and the fixed bolt 37 moves in the avoidance groove when the push plate 23 moves between the two clamping plates 24.

[0043] The utility model discloses a working principle: cooperate with current feeding machine, the box body conveyor belt 4 and inner bag conveyor belt 5 stop each time, and the feeding machine puts the box body 6 into the corresponding box body positioning device, and puts the inner bag in the inner bag positioning device from left side simultaneously, servo motor 16 drives drive wheel rotation, and drive wheel passes through drive portion 13 and drives intermittent disc 9 intermittent rotation, and intermittent disc 9 drives the rotation of the second transmission wheel 3 of right side, and further through synchronous wheel 17 and synchronous belt 18 drive the rotation of the first transmission wheel 2 of left side, and further drive the box body conveyor belt 4 and inner bag conveyor belt 5 and carry out synchronous clockwise intermittent rotation, and the positioning space between the positioning rod 7 stops each time the box body conveyor belt 4 and inner bag conveyor belt 5, and the corresponding slot body 8 butt joint, at this moment, the inner bag in the corresponding slot body 8 is pushed back and moves into the corresponding box body 6 by hydraulic telescopic rod 20 action, realizes the purpose that the inner bag is loaded into the box body 6, along with the operation of intermittent mechanism, and the box body 6 with inner bag is discharged from right side, and the inner bag loading into the box body 6 realizes the automation purpose.

Claims

1. An automatic packaging device for nutritional foods, comprising two mutually fixed side plates (1), characterized in that: The inner wall of the rear side panel (1) is rotatably connected to two first drive wheels (2), and the inner wall of the front side panel (1) is rotatably connected to two second drive wheels (3). The two first drive wheels (2) are connected by a box conveyor belt (4), on which several box positioning devices are evenly arranged. The two second drive wheels (3) are connected by an inner bag conveyor belt (5), on which several inner bag positioning devices are arranged. The first drive wheel (2) on the left and the second drive wheel (3) on the right are arranged alternately, so that the box conveyor belt... (4) and the inner bag conveyor belt (5) have a set overlapping part. An intermittent mechanism is provided on the front side plate (1). The output end of the intermittent mechanism is connected to the first transmission wheel (2) on the left and the second transmission wheel (3) on the right. The operation of the intermittent mechanism drives the first transmission wheel (2) on the left and the second transmission wheel (3) on the right to rotate clockwise intermittently in sync. A pushing device is provided on the side plate (1). When a box positioning device is docked with the corresponding inner bag positioning device, the pushing device pushes the inner bag in the inner bag positioning device to move backward into the corresponding box (6).

2. The automatic packaging device for nutritional foods according to claim 1, characterized in that: The box positioning device includes several positioning rods (7) fixedly arranged on the front and rear sides of the outer surface of the box conveyor belt (4). Each positioning rod (7) is evenly arranged along the direction of the box conveyor belt (4), and a positioning space is formed between adjacent positioning rods (7).

3. The automatic packaging device for nutritional foods according to claim 1, characterized in that: The inner bag positioning device includes a groove (8) fixedly installed on the outer surface of the inner bag conveyor belt. The groove (8) has a U-shaped structure and is set one-to-one with the positioning space on the box conveyor belt (4).

4. The automatic packaging device for nutritional foods according to claim 1, characterized in that: The intermittent mechanism includes an intermittent disk (9) and a drive wheel. The intermittent disk (9) is coaxially fixed with the rotation shaft of the second transmission wheel (3) on the right side. The drive wheel is rotatably connected to the front side plate (1). The intermittent disk (9) is evenly provided with a number of circular holes (10) along the circumferential direction, and the circumferential surface of the intermittent disk (9) is provided with a notch communicating with the circular holes (10). The drive wheel includes a vertically arranged column (11), and the upper and lower parts of the outer surface of the column (11) are fixedly provided with rings. (12) Each ring (12) has a notch aligned vertically. A drive unit (13) is fixedly provided between one end of the upper ring (12) and the corresponding end of the lower ring (12). The drive unit (13) is a spiral plate structure fixed on the outer surface of the column (11). The upper ring (12) is located in the upper circular hole (10) of the intermittent disk (9), and the lower ring (12) is located in the lower circular hole (10) of the intermittent disk (9).

5. The automatic packaging device for nutritional foods according to claim 4, characterized in that: A vertical shaft (14) is coaxially fixed inside the drive wheel. Both ends of the vertical shaft (14) are rotatably connected to a fixing block (15). The front sides of the two fixing blocks (15) are fixed to the front side plate (1). A servo motor (16) is fixed to the upper end of the upper fixing block (15). The output shaft of the servo motor (16) is fixed to the top end of the vertical shaft (14).

6. The automatic packaging device for nutritional foods according to claim 4, characterized in that: Synchronous pulleys (17) are fixedly installed on the rotating shafts of the first transmission wheel (2) on the left and the second transmission wheel (3) on the right. The synchronous pulleys (17) are connected by a synchronous belt (18).

7. The automatic packaging device for nutritional foods according to claim 1, characterized in that: The pushing device includes an L-rod (19) fixedly installed on the rear side of the side plate (1). A hydraulic telescopic rod (20) is fixedly installed on the lower end of the horizontal part of the L-rod (19). A vertical plate (22) is fixedly installed on the outer end of the telescopic rod (21) of the hydraulic telescopic rod (20). A push plate (23) is fixedly installed on the bottom end of the vertical plate (22).

8. The automatic packaging device for nutritional foods according to claim 7, characterized in that: Two clamping plates (24) are fixedly installed on the front side of the front side plate (1), and the push plate (23) is slidably installed with the two clamping plates (24).

9. The automatic packaging device for nutritional foods according to claim 1, characterized in that: A support rod (25) is provided above the push plate (23) along the front-back direction. Both ends of the support rod (25) are fixed to the side plate (1) by fixing rods (26). The support rod (25) passes through the vertical plate (22). Several support bodies are fixedly provided on the upper end surface of the support rod (25) along the front-back direction. The support body includes an upper support block (27) and a lower vertical rod (28). The upper end surface of the support block (27) is provided with an arc groove that matches the telescopic rod (21) for receiving the telescopic rod (21). The bottom end of the vertical rod (28) is fixedly provided with the support rod (25). A through hole (29) that matches the support block (27) and the vertical rod (28) is provided on the vertical plate (22).

10. The automatic packaging device for nutritional foods according to claim 7, characterized in that: The upper end face of the push plate (23) is fixedly provided with a guide rail (30) in the front-back direction, and the lower end face of the vertical plate (22) is provided with a guide groove. The vertical plate (22) is slidably provided with the push plate (23) in the front-back direction through the guide rail (30) and the guide groove. The vertical plate (22) is provided with an operation hole (31). The vertical plate (22) is connected to the inner bottom wall of the operation hole (31) by a hexagonal locking bolt (32). The bottom end of the hexagonal locking bolt (32) abuts against the upper end face of the guide rail (30).

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