阅读说明：本技术 一种食品用自动称重包装设备及其使用方法 (Automatic weighing and packaging equipment for food and using method thereof ) 是由 陈文� 于 2021-10-19 设计创作，主要内容包括：发明属于自动包装设备领域,为一种食品用自动称重包装设备及其使用方法,一种食品用自动称重包装设备及其使用方法,包括底座,所述底座上侧壁上固定设有六根支撑柱,所述支撑柱上端固定设有上层板,所述上层板左上侧壁上设有移动装置,移动装置用于将称重后的食品送到塑料袋中,所述底座与所述上层板之间设有供袋装置,供袋装置用于提供捆装塑料袋。本设备利用电气自动化设计自动称重打包设备,能够在称重结束后,自动将称重盒子内的是食品进行塑料袋包装打包,从塑料袋使用到打包过程都不需要人工操作,能够在超市等卖场中应用,可以对坚果类食品、米类食品、散装零食等进行称重与自动打包,减轻超市员工工作强度。(The invention belongs to the field of automatic packaging equipment, and relates to automatic weighing and packaging equipment for food and a using method thereof. This equipment utilizes electric automatization design automatic weighing baling equipment, can be after weighing, and what will weigh in the box automatically is that food carries out the plastic bag packing and packing, and the packing process does not all need manual operation from the plastic bag use, can use in markets such as supermarket, can weigh and automatic packing to nut class food, rice class food, bulk snack etc. alleviate supermarket staff working strength.)

1. The utility model provides an automatic weighing equipment for packing for food, includes base (10), its characterized in that, fixed six support columns (22) that are equipped with on the lateral wall on base (10), fixed upper plate (11) that are equipped with in support column (22) upper end, be equipped with the mobile device on the upper left lateral wall of upper plate (11), the mobile device is used for sending the food after weighing to the plastic bag in, base (10) with be equipped with between upper plate (11) and supply bagging apparatus, supply the bagging apparatus to be used for providing bundle dress plastic bag, it is equipped with removal frame (23) to slide on the lateral wall on base (10), be equipped with on removal frame (23) and open the device, open the device and be used for opening the plastic bag and hold dress food.

2. The automatic weighing and packaging device for food as claimed in claim 1, wherein: the moving device comprises two upright posts (12) fixed on the upper side wall of the upper plate (11), a moving shaft (16) is arranged on the upright post (12) in a sliding way, the middle section of the moving shaft (16) is provided with threads, the middle section of the moving shaft (16) is provided with a rack, the through hole of the right upright post (12) is provided with a thread, the thread at the middle section of the moving shaft (16) can be engaged with the moving shaft, the upper side wall of the upper plate (11) is fixedly provided with a motor column (13), a first transmission motor (14) is fixedly arranged on the motor column (13), a transmission gear (15) is fixedly arranged at the output end of the first transmission motor (14), the transmission gear (15) can be meshed with the moving shaft (16) for transmission, remove axle (16) right-hand member and fix and be equipped with sucking disc (17), sucking disc (17) right side is equipped with weighing device, and weighing device is used for the splendid attire and pours out food.

3. The automatic weighing and packaging device for food as claimed in claim 2, wherein: the weighing device comprises a weighing device (19) fixed on the upper side wall of the upper plate (11), a containing box (18) is arranged on the weighing device (19), a hinged chain (20) is hinged to the side wall of the bottom of the containing box (18), a bottom plate (21) is hinged to the hinged chain (20), and the bottom plate (21) slides on the left side wall and the right side wall of the containing box (18).

4. The automatic weighing and packaging device for food as claimed in claim 3, wherein: the feeding device comprises a roller support (25) fixed to the side wall of the base (10), a group of roller sets (24) are arranged on the roller support (25) in a rotating mode, a vertical frame (26) is fixedly arranged on the side wall of the base (10), two rotating rollers are arranged on the vertical frame (26) in a rotating mode, a shearing device is arranged on the vertical frame (26), and the shearing device is used for shearing the plastic bags into independent bags.

5. The automatic weighing and packaging device for food as claimed in claim 4, wherein: the shearing device comprises a cutting cavity (46) fixed at the upper end of the vertical frame (26), two cutter holders (41) are rotatably arranged at the left side and the right side of the cutting cavity (46), shearing cutters are arranged at the upper parts of the two cutter holders (41), an electric slider (45) is slidably arranged on the lower side wall of the cutting cavity (46), a threaded rod (44) is rotatably arranged at the right side of the electric slider (45), threads are arranged on the threaded rod (44), a threaded slider (43) is sleeved at the right side of the threaded rod (44), a bracket is fixedly arranged on the lower side wall of the cutting cavity (46) and limits the threaded slider (43) to only slide towards the left side, the threaded slider (43) and the threaded rod (44) are in threaded engagement, a swing rod (42) is rotatably arranged on the threaded rod (44), a shaft (47) is fixedly arranged on the cutter holder (41) at the right side, and a swing rod (42) is rotatably linked with the shaft (47), the left side of the electric sliding block (45) is rotatably provided with a connecting rod, and the electric sliding block (45) is connected with the left knife rest (41) through the connecting rod.

6. The automatic weighing and packaging device for food as claimed in claim 5, wherein: open the device including sliding two remove two on the frame (23) and open chamber (40), two fixed two drive motors (27) that are equipped with, two on the looks distal end lateral wall of opening chamber (40) second drive motor (27) are equipped with two transmission shaft (28), two transmission shaft (28) stretch into two respectively open inside chamber (40), two fixed two removal gear (29), two of being equipped with on transmission shaft (28) removal gear (29) and two the rack toothing transmission on removing frame (23), two it is equipped with two shake devices to open the close end in chamber (40), and the shake device is used for twisting the plastic bag opening part, opens the plastic bag.

7. The automatic weighing and packaging device for food as claimed in claim 6, wherein: the shaking device comprises two independent gears (30) fixed on the rear side walls of the two opening cavities (40), the two independent gears (30) can be meshed with racks on the two moving frames (23), two supporting frames are fixedly arranged on the front side walls of the two opening cavities (40), two connecting rods (33) are rotatably arranged on the two supporting frames, two half-tooth gears (32) are fixedly arranged at the far ends of the two connecting rods (33), the two half-tooth gears (32) can be meshed with the two independent gears (30), two short rods (34) are rotatably arranged at the close ends of the two connecting rods (33), two pin shafts (35) are fixedly arranged on the two short rods (34), two long rods (36) are rotatably arranged on the two pin shafts (35), two moving rods (37) are fixedly arranged on the two long rods (36), two rotary blocks (38) are rotatably arranged at the close ends of the two opening cavities (40), the two moving rods (37) slide in sliding grooves formed in the two rotary blocks (38), and two clamping blocks (39) are fixedly arranged at the close ends of the two rotary blocks (38).

8. The use method of the automatic weighing and packaging equipment for the food according to claim 7 is characterized in that: the method comprises the following steps:

s1: putting the food to be weighed into the containing box (18), and weighing the food by the weighing device (19);

s2: after weighing, supplying the plastic bags by using a bag supply device;

s3: the plastic bag is spread by friction by using a spreading device, lifted upwards and then cut off;

s4: starting the first transmission motor (14), moving the food in the containing box (18) to the right by using the moving shaft (16), and then overturning the food to pour the food into the plastic bag;

s5: and (5) packaging the plastic bag.

Technical Field

The invention belongs to the field of automatic packaging equipment, and particularly relates to automatic weighing and packaging equipment for food and a using method thereof.

Background

With the continuous development of industry and the continuous development of mechanical industry and electrical industry, an electrical automation driving mechanical device becomes a mainstream device in the market, the automation device can replace people to complete most of work during operation, a manual work mode is replaced to a certain extent, the production and living efficiency can be improved, the labor intensity can be reduced, the work efficiency is greatly improved, the automation application prospect in the future is still good, the automatic weighing and packaging device is designed by utilizing electrical automation, the automatic weighing and packaging device can be applied to sales fields such as supermarkets and the like, the nut food, rice food, loose snacks and the like can be weighed and automatically packaged, and the work intensity of staff in the supermarkets is reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides automatic weighing and packaging equipment for food and a using method thereof.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an automatic weighing equipment for packing for food, includes the base, the fixed six support columns that are equipped with on the lateral wall on the base, the fixed upper plate that is equipped with in support column upper end, be equipped with the mobile device on the upper left lateral wall of upper plate, the mobile device is used for sending the food after weighing to the plastic bag in, the base with be equipped with between the upper plate and supply bagging apparatus, supply bagging apparatus to be used for providing bundle dress plastic bag, it is equipped with the removal frame to slide on the lateral wall on the base, be equipped with on the removal frame and open the device, open the device and be used for opening the plastic bag and hold dress food.

Preferably, the mobile device is including fixing two stands on the lateral wall on the upper plate, it is equipped with the removal axle to slide on the stand, it is equipped with the screw thread to remove the axle interlude, it is equipped with the rack to remove the axle interlude, be equipped with the screw thread on the stand through-hole of the right side, it can mesh with it to remove axle interlude screw thread, the fixed motor post that is equipped with on the lateral wall on the upper plate, the fixed first drive motor that is equipped with on the motor post, the fixed drive gear that is equipped with of first drive motor output, drive gear can with remove the transmission of axle meshing, it is equipped with the sucking disc to remove the fixed sucking disc of axle right-hand member, the sucking disc right side is equipped with weighing device, and weighing device is used for splendid attire and pour out food.

Preferably, the weighing device comprises a weighing device fixed on the side wall of the upper plate, a containing box is arranged on the weighing device, a hinged chain is hinged on the side wall of the bottom of the containing box, a bottom plate is hinged on the hinged chain, and the bottom plate slides on the left side wall and the right side wall of the containing box.

Preferably, the feeding device comprises a roller support fixed on the upper side wall of the base, a group of roller sets are arranged on the roller support in a rotating mode, a vertical frame is fixedly arranged on the upper side wall of the base, two rotating rollers are arranged on the vertical frame in a rotating mode, a shearing device is arranged on the vertical frame, and the shearing device is used for shearing the plastic bags into independent bags.

Preferably, the shearing device comprises a cutting cavity fixed at the upper end of the vertical frame, the left side and the right side of the cutting cavity are rotatably provided with two tool rests, the upper parts of the two tool rests are provided with shearing tools, an electric sliding block is arranged on the lower side wall of the cutting cavity in a sliding manner, the right side of the electric sliding block is rotatably provided with a threaded rod, threads are arranged on the threaded rod, a threaded sliding block is sleeved on the right side of the threaded rod, a support is fixedly arranged on the lower side wall of the cutting cavity and limits the threaded sliding block to only slide towards the left side, the threaded sliding block is in threaded engagement with the threaded rod, a swing rod is rotatably arranged on the threaded rod, a shaft is fixedly arranged on the tool rest on the right side, the shaft is rotatably linked with the swing rod, the left side of the electric sliding block is rotatably provided with a connecting rod, and the electric sliding block is connected with the left tool rest through the connecting rod.

Preferably, the device of opening is including sliding two open the chamber on the removal frame, two the fixed two second drive motors that are equipped with, two on the looks distal end lateral wall in open the chamber the second drive motor is equipped with two transmission shafts, two the transmission shaft stretches into two respectively open intracavity portion, two the fixed two removal gears that are equipped with, two on the transmission shaft remove gear and two the rack toothing transmission on the removal frame, two open the chamber looks proximal end and be equipped with two shake devices, shake the device and be used for twisting the plastic bag opening part, open the plastic bag.

Preferably, the shaking device comprises two independent gears fixed on the rear side wall of the open cavity, the two independent gears can be meshed with two racks on the moving frame, the two support frames are fixedly arranged on the front side wall of the open cavity, the two support frames are provided with two connecting rods in a rotating mode, the two connecting rods are fixedly provided with two half-tooth gears at far ends and can be meshed with the two independent gears, the two half-tooth gears are meshed with the two independent gears at near ends and are provided with two short rods in a rotating mode, the two short rods are fixedly provided with two pin shafts, the two pin shafts are rotatably provided with two long rods, the two long rods are fixedly provided with two moving rods, the two open cavity near ends are rotatably provided with two rotating blocks, the two moving rods slide in chutes formed by the rotating blocks, and the two clamping blocks are fixedly provided at near ends of the rotating blocks.

When the invention is used, food to be weighed and packed is put into the containing box, after the weighing device weighs the food out, the first transmission motor is started, the first transmission motor drives the transmission gear to rotate, the transmission gear is meshed with the rack on the moving shaft, the moving shaft moves towards the right side, the sucking disc is contacted with the containing box and sucks the containing box to push the containing box to the plastic bag,

when the weighing device can not sense the pressure, the two moving frames slide towards the middle, the two clamping blocks clamp the plastic bag, the two second transmission motors are started, the two transmission shafts rotate simultaneously, the two moving gears on the two transmission shafts are engaged with the racks on the two moving frames, the two opening cavities are lifted upwards, in the lifting process, the two independent gears rotate along with the two moving gears to drive the parts of the two half-tooth gears engaged with the two independent gears to rotate, the two half-tooth gears rotate to drive the two connecting rods to rotate, the two connecting rods drive the two short rods to rotate, the two short rods drive the two long rods to move, the two long rods drive the two moving rods to rotate in the sliding grooves of the two rotating blocks, the two rotating blocks are driven to rotate for a certain angle, the two clamping blocks also rotate along with the two clamping blocks, and the rotating directions of the two clamping blocks are opposite, the opening of the plastic bag can be twisted to open, the two movable frames slide to the two sides to open the plastic bag, the position of the plastic bag is clamped to rotate by the aid of the force generated by the lifting device in the process, the plastic bag is opened more quickly, and the whole plastic bag is opened in the lifting process of the device, so that the effect of lifting two plastic bags is achieved.

When the two opening cavities clamp the plastic bag to rise, the whole plastic bag is opened, the joint of the two plastic bags slides out of the roller group, the electric slider in the cutting cavity is started, the electric slider moves rightwards, the left connecting rod drives the left axial middle to rotate, the threaded rod on the right side of the electric slider rotates due to force, the threaded rod is meshed with the threaded slider, the threaded slider slides towards the left side to drive the axial middle to approach, the shaft drives the right tool rest to approach towards the middle, the two tool rests simultaneously approach towards the middle, and the tools on the two tool rests simultaneously contact the plastic bag and cut off the plastic bag. The bundling plastic bags are connected, the plastic bags can be pulled down by a certain pulling force when the bundling plastic bags are used, the shearing device is controlled by the automatic cutting device through the moving time of the opening device, the automation degree of the packaging machine is improved, and the bundling plastic bags are convenient and fast to use.

When the screw thread that removes the axle interlude was meshed with the screw thread in the right side stand through-hole, remove the axle and begin to produce the rotation, drive absorbent splendid attire box and produce rotatoryly, rotate the splendid attire box more than ninety degrees, pour the food of splendid attire in the splendid attire box into the plastic bag that has propped open, the bottom plate produces the slip because of the action of gravity, avoids weighing nut class, rice class food because the rotatory inclination of splendid attire box is not enough, and remains inside the splendid attire box.

When the movable shaft rotates to the extreme position, the first transmission motor is stopped, the first transmission motor is started reversely, the containing box is taken back to the weighing device, when the weighing device senses pressure again, the two movable frames are drawn close to the middle to compress the opening of the plastic bag, and at the moment, the sealing position of the plastic bag is wound and bound tightly by the adhesive tape winding machine, so that the packaging process is completed. In the whole process, only manual work is needed when food is put in, other weighing and packing are completely controlled by automation, the whole process is rapid and fast, and time is saved.

In addition, the invention also provides a use method of the automatic weighing and packaging equipment for the food, which comprises the following steps:

s1: putting the food to be weighed into the containing box, and weighing the food by the weighing device;

s2: after weighing, supplying the plastic bags by using a bag supply device;

s3: the plastic bag is spread by friction by using a spreading device, lifted upwards and then cut off;

s4: starting the first transmission motor, moving the food in the containing box to the right by using the moving shaft, turning over, and pouring the food into the plastic bag;

s5: and (5) packaging the plastic bag.

Compared with the prior art, the automatic weighing and packaging equipment for the food and the using method thereof have the following advantages:

1. the device is driven by the ascending force of the device to clamp the plastic bag to rotate, so that the plastic bag is opened more quickly, and the whole plastic bag is opened in the ascending process of the device, thereby achieving the effect of killing two birds with one stone.

2. The automatic cutting device can control the shearing device according to the moving time of the opening device, so that the automation degree of the packaging machine is improved, and the automatic cutting device is convenient and fast.

3. The whole process only needs to be manual when food is put in, other weighing and packing are completely controlled by automation, the whole process is rapid and fast, and time saving is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of the automatic weighing and packaging equipment for food and the use method thereof.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is an enlarged view of the structure at C in fig. 2.

Fig. 5 is an enlarged view of the structure at D in fig. 1.

Fig. 6 is an enlarged view of the structure at E in fig. 1.

In the figure, 10, the base; 11. an upper plate; 12. a column; 13. a motor column; 14. a first drive motor; 15. a transmission gear; 16. a movable shaft; 17. a suction cup; 18. placing the box; 19. a weighing device; 20. an articulated chain; 21. a base plate; 22. a support pillar; 23. a movable frame; 24. a roller set; 25. a roller support; 26. erecting a frame; 27. a second drive motor; 28. a drive shaft; 29. a moving gear; 30. an independent gear; 31. a gear pedestal; 32. a half-tooth gear; 33. a connecting rod; 34. a short bar; 35. a pin shaft; 36. a long rod; 37. a travel bar; 38. a rotation block; 39. a clamping block; 40. opening the cavity; 41. a tool holder; 42. a swing rod; 43. a threaded slider; 44. a threaded rod; 45. an electrical slider; 46. a cutting cavity; 47. a shaft.

Detailed Description

The following are specific embodiments of the present invention and further description of the technical solutions of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, an automatic weighing and packaging device for food comprises a base 10, six support columns 22 are fixedly arranged on the upper side wall of the base 10, an upper plate 11 is fixedly arranged at the upper end of each support column 22, a moving device is arranged on the upper left side wall of the upper plate 11, the moving device is used for conveying weighed food into a plastic bag, a bag supply device is arranged between the base 10 and the upper plate 11 and used for providing a bundling plastic bag, a moving frame 23 is arranged on the upper side wall of the base 10 in a sliding mode, an opening device is arranged on the moving frame 23 and used for opening the plastic bag to hold the food.

As shown in fig. 1, the mobile device includes two stands 12 fixed on the lateral wall on the upper plate 11, and the slip is equipped with removal axle 16 on the stand 12, and the 16 interlude of removal axle is equipped with the screw thread, and the 16 interlude of removal axle is equipped with the rack, be equipped with the screw thread on the 12 through-holes of right side stand, the 16 interlude screw thread of removal axle can mesh with it and fixedly on the upper plate 11 upper plate lateral wall be equipped with motor column 13, and the fixed first drive motor 14 that is equipped with on motor column 13, the fixed drive gear 15 that is equipped with of first drive motor 14 output, drive gear 15 can mesh with removal axle 16 and transmit, and 16 right-hand members of removal axle are fixed and are equipped with sucking disc 17, and sucking disc 17 right side is equipped with weighing device, and weighing device is used for the splendid attire and pours out food.

As shown in fig. 1 and 6, the weighing device comprises a weighing device 19 fixed on the upper side wall of the upper plate 11, a containing box 18 is arranged on the weighing device 19, a hinge chain 20 is hinged on the side wall of the bottom of the containing box 18, a bottom plate 21 is hinged on the hinge chain 20, and the bottom plate 21 slides on the left side wall and the right side wall of the containing box 18.

As shown in fig. 1, the feeding device includes a roller support 25 fixed on the upper side wall of the base 10, a set of roller sets 24 is rotatably provided on the roller support 25, an upright frame 26 is fixedly provided on the upper side wall of the base 10, two rotating rollers are rotatably provided on the upright frame 26, and a shearing device is provided on the upright frame 26 for shearing the plastic bags into individual bags.

As shown in fig. 1, 2, 3 and 4, the shearing device includes a cutting cavity 46 fixed at the upper end of the vertical frame 26, two tool rests 41 are rotatably arranged at the left and right sides of the cutting cavity 46, a shearing tool is arranged at the upper parts of the two tool rests 41, an electric slider 45 is slidably arranged on the lower side wall of the cutting cavity 46, a threaded rod 44 is rotatably arranged at the right side of the electric slider 45, threads are arranged on the threaded rod 44, a threaded slider 43 is sleeved at the right side of the threaded rod 44, a bracket is fixedly arranged on the lower side wall of the cutting cavity 46 and limits the threaded slider 43 to slide only to the left side, the threaded slider 43 is in threaded engagement with the threaded rod 44, a swing rod 42 is rotatably arranged on the threaded rod 44, a shaft 47 is fixedly arranged on the right tool rest 41, the swing rod 42 is rotatably linked with the shaft 47, a connecting rod is rotatably arranged at the left side of the electric slider 45, and the left tool rest 41 are connected through the connecting rod.

As shown in fig. 1 and 5, the opening device includes two opening chambers 40 sliding on the two moving frames 23, two second driving motors 27 are fixedly disposed on the side walls of the distal ends of the two opening chambers 40, the two second driving motors 27 are provided with two driving shafts 28, the two driving shafts 28 respectively extend into the two opening chambers 40, two moving gears 29 are fixedly disposed on the two driving shafts 28, the two moving gears 29 are engaged with the racks on the two moving frames 23 for driving, two shaking devices are disposed at the close ends of the two opening chambers 40, and the shaking devices are used for shaking the opening of the plastic bag to open the plastic bag.

As shown in fig. 5, the shaking device comprises two independent gears 30 fixed on the rear side walls of two open cavities 40, the two independent gears 30 can be engaged with racks on two moving frames 23, two support frames are fixedly arranged on the front side walls of the two open cavities 40, two connecting rods 33 are rotatably arranged on the two support frames, two half-tooth gears 32 are fixedly arranged at the far ends of the two connecting rods 33, the two half-tooth gears 32 can be engaged with the two independent gears 30, two short rods 34 are rotatably arranged at the close ends of the two connecting rods 33, two pin shafts 35 are fixedly arranged on the two short rods 34, two long rods 36 are rotatably arranged on the two pin shafts 35, two moving rods 37 are fixedly arranged on the two long rods 36, two rotary blocks 38 are rotatably arranged at the close ends of the two open cavities 40, the two moving rods 37 slide in sliding grooves formed in the two rotary blocks 38, and two clamping blocks 39 are fixedly arranged at the close ends of the two rotary blocks 38.

When the food weighing and packaging device is used, food to be weighed and packaged is put into the containing box 18, after the weight of the food is weighed by the weighing device 19, the first transmission motor 14 is started, the first transmission motor 14 drives the transmission gear 15 to rotate, the transmission gear 15 is meshed with the rack on the moving shaft 16, the moving shaft 16 moves towards the right side, and the sucking disc 17 is in contact with the containing box 18 and sucks the containing box 18 to push the containing box 18 to a plastic bag.

When the weighing device 19 can not sense the pressure, the two moving frames 23 slide towards the middle, the two clamping blocks 39 clamp the plastic bag, the two second transmission motors 27 are started, the two transmission shafts 28 rotate simultaneously, the two moving gears 29 on the two transmission shafts 28 generate clamping, the two moving gears 29 are meshed with the racks on the two moving frames 23 to lift the two open cavities 40 upwards, in the lifting process, the two independent gears 30 rotate along with the two moving gears 30 to drive the parts, meshed with the two independent gears 30, of the two half-tooth gears 32 to rotate, the two half-tooth gears 32 drive the two connecting rods 33 to rotate, the two connecting rods 33 drive the two short rods 34 to rotate, the two short rods 34 drive the two long rods 36 to move, the two long rods 36 drive the two moving rods 37 to rotate in the sliding grooves of the two rotating blocks 38 to drive the two rotating blocks 38 to rotate for a certain angle, the two clamping blocks 39 also rotate along with the plastic bag opening twisting device, the two clamping blocks 39 rotate in opposite directions, the plastic bag opening can be twisted to be opened, the two moving frames 23 slide towards two sides, the plastic bag is opened, the plastic bag clamping position is driven to rotate by the force generated when the device rises, the plastic bag is opened more quickly, the whole plastic bag is opened when the device rises, and the effect of killing two birds with one stone is achieved.

When the two opening cavities 40 clamp the plastic bag to ascend, the whole plastic bag is opened, the joint of the two plastic bags slides out of the roller set 24, at the moment, the electric slider 45 in the cutting cavity 46 is started, the electric slider 45 moves rightwards, the left side connecting rod drives the left side shaft 47 to rotate towards the middle, the threaded rod 44 on the right side of the electric slider 45 rotates due to force, the threaded rod 44 is meshed with the threaded slider 43, the threaded slider 43 slides towards the left side, the driving shaft 47 is closed towards the middle, the shaft 47 drives the right side cutter frame 41 to approach towards the middle, the two cutter frames 41 are closed towards the middle at the same time, and the cutters on the two cutter frames 41 simultaneously contact the plastic bag and cut the plastic bag. All link to each other between the bundle dress plastic bag, need certain pulling force just can tear the plastic bag off when using, and automatic cutting device accessible improves packagine machine's degree of automation, convenient and fast according to opening device moving time and controlling shearing mechanism.

When the screw thread of the middle section of the moving shaft 16 is engaged with the screw thread in the through hole of the right side 12, the moving shaft 16 starts to rotate to drive the adsorbed containing box 18 to rotate, the containing box 18 rotates by more than ninety degrees, food contained in the containing box 18 is poured into the opened plastic bag, the bottom plate 21 slides due to the action of gravity, and the phenomenon that the food such as nuts and rice remains in the containing box 18 due to insufficient rotation inclination angle of the containing box 18 is avoided.

When the movable shaft 16 rotates to the extreme position, the first transmission motor 14 is stopped, the first transmission motor 14 is started reversely, the containing box 18 is taken back to the weighing device 19, when the weighing device 19 senses pressure again, the two movable frames 23 are drawn close to the middle to compress the opening of the plastic bag, and at the moment, the sealing position of the plastic bag is wound and bound tightly by the adhesive tape winding machine, so that the packaging process is completed. In the whole process, only manual work is needed when food is put in, other weighing and packaging are completely controlled by automation, the whole process is rapid and fast, and time saving is facilitated.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.