CN215664080U

CN215664080U - Automatic upper and lower adsorption mechanism of cover bag

Info

Publication number: CN215664080U
Application number: CN202122053295.7U
Authority: CN
Inventors: 陈世杰; 陈水旺
Original assignee: Shenzhen Dongruixing Technology Development Co ltd; Shenzhen Dongrui Xinglian Intelligent Technology Co ltd
Current assignee: Shenzhen Dongruixing Technology Development Co ltd; Shenzhen Dongrui Xinglian Intelligent Technology Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-01-28
Anticipated expiration: 2031-08-28

Abstract

The utility model belongs to the technical field of the yarn spindle cover bag technique and specifically relates to an automatic adsorption apparatus constructs about cover bag is related to, which comprises a frame, unreel the subassembly, cut off subassembly and cover bag subassembly, the frame is located yarn spindle one side, unreel the plastic bag that the unit mount was just used for loading the lapping in the frame top, cover bag subassembly along vertical slip set up in frame one side and be used for drawing the plastic bag free end conveying and locate the yarn spindle outside with the cover, cut off the unit mount in the frame top, cut off the subassembly and be located to unreel between subassembly and the cover bag subassembly and be used for cutting the plastic bag free end. This application can realize locating the automatic cover of plastic bag outside the silk spindle, raises the efficiency, reduce cost.

Description

Automatic upper and lower adsorption mechanism of cover bag

Technical Field

The application relates to the technical field of yarn spindle bagging, in particular to an automatic bagging and vertical adsorption mechanism.

Background

An ingot, i.e., a filament wound into a roll for easy transportation and use, is centered in a cylinder for winding the filament. In order to avoid the contamination of the filament from the external environment during the transportation process, the plastic bag is sleeved outside the filament spindle to isolate the contact between the filament spindle and the external environment, thereby preventing the filament spindle from being contaminated.

The current bagging method is generally as follows: an operator firstly cuts a section of the coiled plastic bag, then the cut plastic bag is unfolded and sleeved outside the spindle, and finally the end part of the plastic bag is plugged into the cylinder of the spindle, so that the bag sleeving is completed.

However, in a hydration production line, the manual bagging mode often has the problems of low efficiency and high cost; therefore, further improvement can be made.

SUMMERY OF THE UTILITY MODEL

In order to improve cover bag efficiency, reduce cost, this application provides an automatic cover bag adsorption apparatus from top to bottom constructs.

The above object of the present application is achieved by the following technical solutions:

the utility model provides an automatic adsorb mechanism from top to bottom of cover bag, includes the frame, unreels the subassembly, cuts off subassembly and cover bag subassembly, the frame is located spindle one side, it installs in the frame top and is used for loading the plastic bag of lapping to unreel the subassembly, cover bag subassembly along vertical slip set up in frame one side and be used for pulling the plastic bag free end conveying and locate the spindle outside with the cover, it installs in the frame top to cut off the subassembly, it is located to unreel between subassembly and the cover bag subassembly and is used for cutting the plastic bag free end to cut off the subassembly.

Through adopting above-mentioned technical scheme, unreel the subassembly, cut off the subassembly and overlap the bagging assembly and use mutually supporting between, unreel the subassembly and be used for unreeling the plastic bag, cut off the subassembly and be used for cutting the plastic bag, overlap the bagging assembly and be used for pulling the plastic bag conveying and locate the silk spindle outside with the plastic bag cover to the realization is located the silk spindle outside with the automatic cover of plastic bag, raises the efficiency, reduce cost.

Optionally, unreel the subassembly including unreeling the frame, unreeling roller, guide roll and first drive assembly, it sets up in the frame to unreel the frame along lateral sliding, unreel the roller and set up in unreeling frame one side and be used for loading the plastic bag of lapping, the guide roll sets up in unreeling frame one side and is used for supplying the plastic bag free end around establishing, first drive assembly installs in the frame and unreels between the frame and be used for the drive to unreel the frame along lateral sliding.

Through adopting above-mentioned technical scheme, after the plastic bag that rolls up unreeled, start first drive assembly, first drive assembly can be with unreeling the frame, unreel roller, guide roll and remove to assigned position department along the X axle direction, and this assigned position is for being fit for carrying out the position changed to the plastic bag of lapping to it is more convenient to make the change process of plastic bag.

Optionally, the guide roll includes fixed axle and swivel sleeve, the fixed axle sets up in unreeling frame one side, the swivel sleeve rotates the cover and locates the fixed axle.

Through adopting above-mentioned technical scheme, the guide roll sets to the rotation form, can reduce the friction between guide roll and the plastic bag free end, the conveying of being convenient for.

Optionally, a position sensing control assembly is arranged between the rack and the unreeling rack, and the position sensing control assembly is electrically connected with the first driving assembly.

Through adopting above-mentioned technical scheme, after the plastic bag that rolls up unreeled and finishes, the position sensing control assembly can the perception unreel the frame and locate the position to with position information feedback to first drive assembly, first drive assembly moves according to position information, makes the frame of unreeling automatic recovery to initial position, thereby further simplifies the change process.

Optionally, the first driving assembly comprises a driving pulley, a driven pulley, a transmission belt and a first driving piece, the driving pulley and the driven pulley are both rotatably arranged in the frame, the driving pulley and the driven pulley are transversely arranged at intervals, the transmission belt is connected between the driving pulley and the driven pulley and is connected with the unreeling frame, and the first driving piece is mounted in the frame and is used for driving the driving pulley to rotate.

Through adopting above-mentioned technical scheme, after the plastic bag that rolls up unreeled and finishes, start first driving piece, first driving piece passes through the drive belt and drives unreeling frame, unreel roller, guide roll and remove to assigned position department along the X axle direction, and this assigned position is for being fit for carrying out the position changed to the plastic bag of lapping to it is more convenient to make the change process of plastic bag.

Optionally, the cutting-off assembly comprises a first adsorption plate, a knife rest, a cutting-off knife fixedly arranged on the knife rest and a second driving assembly, the first adsorption plate is fixedly arranged on the unwinding frame and located below the guide roller, the knife rest is arranged on the frame along the transverse sliding direction, the second driving assembly is arranged between the frame and the knife rest and used for driving the knife rest to be close to/away from the first adsorption plate along the transverse sliding direction, the free end of the plastic bag passes through the first adsorption plate and the knife rest, and the first adsorption plate is provided with a avoiding hole for the cutting-off knife to penetrate through.

By adopting the technical scheme, the free end of the plastic bag penetrates through the space between the first adsorption plate and the tool rest to be unreeled, after the plastic bag is conveyed to a proper length, the second driving assembly drives the tool rest to slide along the X-axis direction, the cutting tool penetrates through the avoiding hole, and the plastic bag is cut into a proper length in the process; in addition, the first adsorption plate adsorbs the cut free end of the plastic bag, so that the free end of the plastic bag stays on the first adsorption plate and cannot fall off.

Optionally, the bagging assembly includes lifter plate, flaring board, second adsorption plate, third adsorption plate, fourth adsorption plate, third drive assembly and fourth drive assembly, the lifter plate sets up in frame one side along vertical slip, third drive assembly installs between frame and lifter plate and is used for driving the lifter plate along vertical slip, the flaring board sets up in lifter plate one side along lateral sliding, fourth drive assembly installs between lifter plate and flaring board and is used for driving the flaring board along lateral sliding, the second adsorption plate sets firmly in the flaring board, the third adsorption plate sets firmly in the lifter plate, the fourth adsorption plate erects in third adsorption plate top and along with the lifter plate along vertical slip in order to stretch into between first adsorption plate and the knife rest.

By adopting the technical scheme, the S1 and the fourth adsorption plate slide along the Z-axis direction in a reciprocating manner along with the lifting plate, and adsorb the free end of the plastic bag in the process of descending along the Z-axis direction along with the lifting plate so as to form a traction effect on the plastic bag, so that the free end of the plastic bag extends into a space between the second adsorption plate and the third adsorption plate, and the adsorption function of the first adsorption plate is suspended; s2, the second adsorption plate and the third adsorption plate adsorb the free end of the plastic bag to expand the free end of the plastic bag to form an opening, the fourth adsorption plate maintains the adsorption function, and the first adsorption plate recovers the adsorption function; s3, driving the tool rest to slide along the X-axis direction by the second driving piece, penetrating the cutting-off tool into the avoiding hole, and cutting the plastic bag into a certain length in the process; and S4, the second adsorption plate, the third adsorption plate and the fourth adsorption plate descend along the Z-axis direction along with the lifting plate, so that the plastic bag is sleeved outside the silk ingots.

Optionally, the second adsorption plate all is equipped with flaring subassembly, every with the relative both ends that set up one side of third adsorption plate flaring subassembly all includes circulator and inserted bar, the inserted bar sets up in the circulator output, the circulator sets up in second adsorption plate/third adsorption plate and is used for driving the inserted bar rotation and inserts/withdraw from the plastic bag free end.

Through adopting above-mentioned technical scheme, adsorb the plastic bag free end when second adsorption plate and third adsorption plate, when making the plastic bag free end expand and form the opening, the circulator drive inserted bar rotates, and the inserted bar rotates and inserts the plastic bag free end, reduces because second adsorption plate/third adsorption plate because the adsorption affinity is not enough and leads to the condition emergence that the opening that the plastic bag free end formed takes place to warp.

In summary, the present application includes at least one of the following beneficial technical effects:

the unwinding assembly is used for unwinding a plastic bag, the cutting assembly is used for cutting the plastic bag, and the bagging assembly is used for drawing the plastic bag to convey and sleeving the plastic bag outside a spindle, so that the plastic bag is automatically sleeved outside the spindle, the efficiency is improved, and the cost is reduced;

after the plastic bag of lapping unreels and finishes, start first drive assembly, first drive assembly can remove unreeling frame, unreeling roller, guide roll to assigned position department along the X axle direction, and this assigned position is for being fit for carrying out the position changed to the plastic bag of lapping to make the change process of plastic bag more convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view showing the overall structure of the pocket set.

Fig. 3 is a sectional view of a guide roller in the embodiment of the present application.

Fig. 4 is an enlarged view of a in fig. 2.

Description of reference numerals: 1. a frame; 2. an unwinding assembly; 21. unwinding the frame; 22. unwinding rollers; 23. a guide roller; 231. a fixed shaft; 232. a rotating sleeve; 24. a first drive assembly; 241. a driving pulley; 242. a driven pulley; 243. a transmission belt; 244. a first driving member; 3. cutting off the assembly; 31. a first adsorption plate; 32. a tool holder; 33. a cutting knife; 34. a second drive assembly; 35. avoiding holes; 4. a bagging assembly; 41. a lifting plate; 42. an opening expanding plate; 43. a second adsorption plate; 44. a third adsorption plate; 45. a fourth adsorption plate; 46. a third drive assembly; 47. a fourth drive assembly; 5. a control component; 51. an infrared emitter; 52. an infrared receiver; 53. a control unit; 6. a flaring assembly; 61. a rotator; 62. inserting a rod; 10. and (4) spinning.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses automatic upper and lower adsorption equipment of cover bag.

Referring to fig. 1 and 2, the automatic bag covering and up-down adsorption mechanism comprises a frame 1, an unreeling assembly 2, a cutting assembly 3 and a bag covering assembly 4; wherein, frame 1 is located spindle 10 one side, unreels subassembly 2, cuts off subassembly 3 and cover bag subassembly 4 and all installs in frame 1, and cooperates jointly and in order to be used for cutting into the plastic bag of lapping suitable length size with the cover locate the outside of spindle 10, and then avoid spindle 10 to receive stained.

Referring to fig. 2 and 3, in particular, the unwinding assembly 2 includes an unwinding frame 21, an unwinding roller 22, a guide roller 23, and a first driving assembly 24; the top of the rack 1 is fixedly provided with a sliding rail arranged along the X-axis direction, and the unreeling rack 21 is fixedly provided with a sliding block matched with the sliding rail in a sliding manner, so that the unreeling rack 21 can be arranged at the top of the rack 1 in a sliding manner along the X-axis direction; the unwinding roller 22 is a round bar structure extending along the Y-axis direction, and one end of the unwinding roller 22 is fixedly arranged at one side of the unwinding frame 21, so that the coiled plastic bag can be erected through the unwinding roller 22; guide roll 23 includes fixed axle 231 and swivel housing 232, and fixed axle 231 and swivel housing 232 are arranged along X axle direction interval, and fixed axle 231 is the round bar structure that extends along Y axle direction, and swivel housing 232 is the pipe structure that extends along Y axle direction, and swivel housing 232 rotates the cover and locates fixed axle 231, makes the plastic bag free end can wind and locate guide roll 23 in order to unreel.

The first drive assembly 24 includes a drive pulley 241, a driven pulley 242, a drive belt 243, and a first driver 244; the driving pulleys 241 and the driven pulleys 242 are arranged at intervals along the X-axis direction, and both the driving pulleys 241 and the driven pulleys 242 are rotatably arranged on the frame 1; the transmission belt 243 is connected between the driving pulley 241 and the driven pulley 242, and the transmission belt 243 is connected with the unreeling rack 21; the first driving member 244 is a motor, the first driving member 244 is disposed on the frame 1, and an output shaft of the first driving member 244 is connected to the driving pulley 241. After the plastic bags in the roll are completely unreeled, the first driving assembly 24 is started, the unreeling frame 21, the unreeling roller 22 and the guide roller 23 can be moved to the designated position by the first driving assembly 24 along the X-axis direction, and the designated position is suitable for replacing the plastic bags in the roll, so that the plastic bags can be replaced more conveniently.

Referring to fig. 1 and 2, in addition, the plastic bag replacement process is further simplified. A position sensing control component 5 is arranged between the unreeling frame 21 and the frame 1. Specifically, the position sensing control assembly 5 includes an infrared transmitter 51, an infrared receiver 52 and a control unit 53; wherein, the control unit 53 is fixedly arranged on the frame 1, and the control unit 53 adopts a 51-chip microcomputer as a main control chip; the infrared emitter 51 is fixedly arranged on the unreeling frame 21, the infrared receiver 52 is fixedly arranged on the rack 1, and the infrared emitter 51 is aligned with the infrared receiver 52; the infrared receiver 52 is fixedly arranged at the top of the support frame, the infrared emitter 51 is aligned with the infrared receiver 52, and the infrared receiver 52 and the control unit 53, and the control unit 53 and the first driving member 244 are electrically connected through preset conducting wires. After the roll of plastic bags is completely unwound, the control unit 53 can control the operation of the first driving member 244 according to the position information determined between the infrared emitter 51 and the infrared receiver 52, so that the unwinding frame 21 automatically returns to the original position, thereby further simplifying the replacing process.

The cutting assembly 3 comprises a first adsorption plate 31, a tool rest 32, a cutting tool 33 and a second driving assembly 34; the first adsorption plate 31 has an adsorption function, specifically, the first adsorption plate 31 is provided with a plurality of air suction holes, and the air suction holes are communicated with external preset negative pressure equipment, so that the first adsorption plate 31 has the adsorption function, and the first adsorption plate 31 is fixedly arranged on one side of the unreeling frame 21 and is positioned right below the guide roller 23; the tool post 32 and the first adsorption plate 31 are arranged in parallel at an interval, the tool post 32 is slidably disposed on the frame 1 along the X-axis direction, the second driving assembly 34 is an air cylinder, and the second driving assembly 34 is disposed between the frame 1 and the tool post 32 and is used for driving the tool post 32 to slide along the X-axis direction, wherein how to dispose the second driving assembly 34 to drive the tool post 32 to slide along the X-axis direction is a conventional technical means of those skilled in the art, and will not be described herein again.

The cutting knife 33 is fixedly arranged on one side of the knife rest 32 facing the first adsorption plate 31, the first adsorption plate 31 is provided with an avoidance hole 35 for the cutting knife 33 to penetrate through, and the cutting knife 33 penetrates into/exits from the avoidance hole 35 in the process that the knife rest 32 slides to approach/depart from the first adsorption plate 31 along the X-axis direction.

The free end of the plastic bag passes through the space between the first adsorption plate 31 and the cutter frame 32 to be unreeled, after the plastic bag is conveyed to a proper length, the second driving assembly 34 drives the cutter frame 32 to slide along the X-axis direction, the cutting knife 33 penetrates through the avoidance hole 35, and the plastic bag is cut into a proper length in the process; in addition, the first adsorption plate 31 adsorbs the free end of the plastic bag after cutting, so that the free end of the plastic bag stays at the first adsorption plate 31 without falling.

The bagging assembly 4 comprises a lifting plate 41, an expanding plate 42, a second adsorption plate 43, a third adsorption plate 44, a fourth adsorption plate 45, a third driving assembly 46 and a fourth driving assembly 47; the lifting plate 41 is slidably disposed on one side of the frame 1 along the Z-axis direction, and the third driving assembly 46 is disposed between the frame 1 and the lifting plate 41 and is configured to drive the lifting plate 41 to slide along the Z-axis direction, wherein the third driving assembly 46 has the same principle and structure as the first driving assembly 24, and is not described herein again; the flaring plate 42 is slidably disposed on one side of the lifting plate 41 along the X-axis direction, wherein the fourth driving assembly 47 is disposed between the lifting plate 41 and the flaring plate 42 and is used for driving the flaring to slide along the X-axis direction, and the principle and structure of the fourth driving assembly 47 is the same as that of the second driving assembly 34, which is not described herein again.

The third adsorption plate 44 is fixedly arranged on the lifting plate 41, and the third adsorption plate 44 is positioned above the silk ingot 10; the second adsorption plate 43 is fixedly arranged on the flaring plate 42, the second adsorption plate 43 is positioned above the filament 10, the second adsorption plate 43 and the third adsorption plate 44 are arranged at intervals, and under the action of the fourth driving part, the second adsorption plate 43 can slide along the flaring plate 42 along the X-axis direction so as to change the distance between the second adsorption plate 43 and the third adsorption plate 44; the fourth suction plate 45 is erected above the third suction plate 44, and under the action of the third driving member, the fourth suction plate 45 can slide along with the lifting plate 41 in the Z-axis direction to extend between the first suction plate 31 and the tool rest 32. The second adsorption plate 43, the third adsorption plate 44, the fourth adsorption plate 45 and the first adsorption plate 31 have the same structure, and are all provided with air suction holes communicated with external preset negative pressure equipment, so that the first adsorption plate 31, the second adsorption plate 43, the third adsorption plate 44 and the fourth adsorption plate 45 all have an adsorption function.

When the plastic bag absorption device works, the S1 and the fourth absorption plate 45 slide along the Z-axis direction along with the lifting plate 41 in a reciprocating mode, and absorb the free end of the plastic bag in the process of descending along the Z-axis direction along with the lifting plate 41 so as to form a traction effect on the plastic bag, so that the free end of the plastic bag extends into a position between the second absorption plate 43 and the third absorption plate 44, and the absorption function of the first absorption plate 31 is suspended; s2, the second absorption plate 43 and the third absorption plate 44 absorb the free end of the plastic bag to expand the free end of the plastic bag to form an opening, the fourth absorption plate 45 maintains the absorption function, and the first absorption plate 31 recovers the absorption function; s3, the second driving piece drives the cutter rest 32 to slide along the X-axis direction, the cutting-off cutter 33 penetrates into the avoiding hole 35, and the plastic bag is cut into a certain length in the process; s4, the second suction plate 43, the third suction plate 44, and the fourth suction plate 45 are lowered along the Z-axis direction with the lifting plate 41, so that the plastic bag is fitted over the outer portion of the ingot 10; thus circulating.

Referring to fig. 1 and 4, in the present embodiment, in order to stabilize the opening formed by expanding the free end of the plastic bag, the flaring assemblies 6 are disposed at both ends of the side of the second suction plate 43 opposite to the third suction plate 44; specifically, the flaring assembly 6 includes a rotator 61 and an insertion rod 62; wherein, the rotator 61 is a rotary cylinder, the rotator 61 is fixedly arranged on the second adsorption plate 43/the third adsorption plate 44, the insertion rod 62 is in an L-shaped structure, one end of the insertion rod 62 is vertically and fixedly arranged at the output end of the rotator 61, and the insertion rod 62 can be rotatably inserted into/withdrawn from the free end of the plastic bag when the rotator 61 drives the insertion rod 62 to rotate.

When the second absorption plate 43 and the third absorption plate 44 absorb the free end of the plastic bag to expand the free end of the plastic bag to form an opening, the rotator 61 drives the insertion rod 62 to rotate, and the insertion rod 62 is inserted into the free end of the plastic bag in a rotating manner, so that the deformation of the opening formed at the free end of the plastic bag due to insufficient absorption force of the second absorption plate 43/the third absorption plate 44 is reduced.

The implementation principle is as follows:

s100, the free end of the plastic bag is conveyed under the traction action of the bagging assembly 4, and the bagging assembly 4 expands the free end of the plastic bag to form an opening by utilizing the adsorption function of the second adsorption plate 43 and the third adsorption plate 44.

S200, the flaring assembly 6 operates to insert the free end of the plastic bag.

And S300, operating the cutting assembly 3, and cutting the free end of the plastic bag into a certain length by the cutting assembly 3 by using the part cutting knife 33.

S400, the bagging component 4 continues to pull and convey the plastic bags to be sleeved outside the spindles 10, and automatic bagging is completed.

So as to circulate; through unreeling subassembly 2, cutting off subassembly 3 and cover bag subassembly 4 and mutually support and use, unreel subassembly 2 and be used for unreeling the plastic bag, cut off subassembly 3 and be used for cutting the plastic bag, cover bag subassembly 4 is used for pulling the plastic bag conveying and locates the plastic bag cover outside 10 spindles to the realization is located the spindle outside 10 with the automatic cover of plastic bag, raises the efficiency, reduce cost.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic adsorb mechanism about cover bag which characterized in that: including frame (1), unreel subassembly (2), cut off subassembly (3) and cover bag subassembly (4), frame (1) is located spindle (10) one side, unreel subassembly (2) and install in frame (1) top and be used for loading the plastic bag of lapping, cover bag subassembly (4) set up in frame (1) one side and be used for drawing the plastic bag free end conveying and locate spindle (10) outside with the cover along vertical slip, cut off subassembly (3) and install in frame (1) top, cut off subassembly (3) and be located and unreel between subassembly (2) and the cover bag subassembly (4) and be used for cutting the plastic bag free end.

2. The automatic bagging up-down adsorption mechanism of claim 1, wherein: unreel subassembly (2) including unreeling frame (21), unreeling roller (22), guide roll (23) and first drive assembly (24), unreel frame (21) and set up in frame (1) along lateral sliding, unreel roller (22) set up in unreeling frame (21) one side and be used for loading the plastic bag of lapping, guide roll (23) set up in unreeling frame (21) one side and be used for supplying the plastic bag free end around establishing, first drive assembly (24) are installed in frame (1) and unreel between frame (21) and are used for the drive to unreel frame (21) along lateral sliding.

3. The automatic bagging up-down adsorption mechanism of claim 2, wherein: the guide roll (23) comprises a fixed shaft (231) and a rotating sleeve (232), the fixed shaft (231) is arranged on one side of the unwinding frame (21), and the rotating sleeve (232) is rotatably sleeved on the fixed shaft (231).

4. The automatic bagging up-down adsorption mechanism of claim 2, wherein: a position sensing control assembly (5) is arranged between the rack (1) and the unreeling frame (21), and the position sensing control assembly (5) is electrically connected with the first driving assembly (24).

5. The automatic bagging up-down adsorption mechanism of claim 2, wherein: the first driving assembly (24) comprises a driving pulley (241), a driven pulley (242), a transmission belt (243) and a first driving piece (244), wherein the driving pulley (241) and the driven pulley (242) are rotatably arranged on the frame (1), the driving pulley (241) and the driven pulley (242) are transversely arranged at intervals, the transmission belt (243) is connected between the driving pulley (241) and the driven pulley (242), the transmission belt (243) is connected with the unreeling frame (21), and the first driving piece (244) is installed on the frame (1) and used for driving the driving pulley (241) to rotate.

6. The automatic bagging up-down adsorption mechanism of claim 2, wherein: the cutting-off assembly (3) comprises a first adsorption plate (31), a knife rest (32), a cutting-off knife (33) fixedly arranged on the knife rest (32) and a second driving assembly (34), the first adsorption plate (31) is fixedly arranged on the unwinding frame (21) and positioned below the guide roller (23), the knife rest (32) is arranged on the rack (1) along the transverse sliding direction, the second driving assembly (34) is arranged between the rack (1) and the knife rest (32) and used for driving the knife rest (32) to be close to/away from the first adsorption plate (31) along the transverse sliding direction, the free end of the plastic bag passes through the first adsorption plate (31) and the knife rest (32), and the first adsorption plate (31) is provided with a avoiding hole (35) for the cutting-off knife (33) to penetrate through.

7. The automatic bagging up-down adsorption mechanism of claim 6, wherein: bagging assembly (4) include lifter plate (41), flaring board (42), second adsorption plate (43), third adsorption plate (44), fourth adsorption plate (45), third drive assembly (46) and fourth drive assembly (47), lifter plate (41) set up in frame (1) one side along vertical slip, third drive assembly (46) are installed between frame (1) and lifter plate (41) and are used for driving lifter plate (41) along vertical slip, flaring board (42) set up in lifter plate (41) one side along horizontal slip, fourth drive assembly (47) are installed and are used for driving flaring board (42) along horizontal slip between lifter plate (41) and flaring board (42), second adsorption plate (43) set firmly in flaring board (42), third adsorption plate (44) set firmly in lifter plate (41), fourth adsorption plate (45) set up in third adsorption plate (44) top and along with lifter plate (41) along vertical slip So as to extend between the first adsorption plate (31) and the blade holder (32).

8. The automatic bagging up-down adsorption mechanism of claim 7, wherein: the two ends of one side of the second adsorption plate (43) and the third adsorption plate (44) are oppositely arranged and are respectively provided with a flaring assembly (6), each flaring assembly (6) comprises a rotator (61) and an inserted bar (62), the inserted bar (62) is arranged at the output end of the rotator (61), and the rotator (61) is arranged on the second adsorption plate (43)/the third adsorption plate (44) and is used for driving the inserted bar (62) to rotate to insert/withdraw from the free end of the plastic bag.