CN112093129A

CN112093129A - Plastic packaging device and packaging method for books

Info

Publication number: CN112093129A
Application number: CN202011160465.5A
Authority: CN
Inventors: 储茂东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2020-12-18

Abstract

The invention discloses a plastic packaging device for books, which comprises a bagging machine, wherein a bagging pipe is fixedly arranged above the bagging machine, a conveying belt is fixedly arranged in front of the bagging pipe, a plastic packaging machine is fixedly arranged on the right side of the conveying belt, a rotary table is fixedly arranged in front of the conveying belt, and a protective shell is fixedly arranged in front of the rotary table; with trilateral sealed semi-manufactured goods wrapping bag, through bagging machine cover on duct and shrink way, shrink way be convenient for wrapping bag cover on the duct, it is different according to the size of packing books, but the not unidimensional wrapping bag of selection, can avoid packaging material's waste, the traditional system of carousel, maltese cross core structure has been adopted, stability when promoting the carousel rotation, for the transport of books, the bagging-off provides more stable environment, can avoid using many workers to control machinery, the human cost is reduced, the transmission part of machine all is equipped with the safety cover, operating personnel's security improves greatly.

Description

Plastic packaging device and packaging method for books

Technical Field

The invention belongs to the technical field of book packaging, particularly relates to a plastic packaging device for books, and more particularly relates to a plastic packaging device for books and a packaging method thereof.

Background

The book is a main tool for recording all achievements, generally refers to a paper aggregate which is bound into a book and printed with characters, is also an important medium for human interaction feeling, inheritance knowledge and experience acquisition, and has important significance for the development and inheritance of human civilization.

The existing book packaging method is characterized in that a book is wrapped by a packaging bag and then cut and cut into the packaging bag, a large amount of cutting waste materials are generated due to different sizes of the book, errors are easy to generate in the packaging process, and monitoring is needed by multiple workers.

Disclosure of Invention

The invention aims to provide a plastic packaging device for books, which aims to solve the problems that the books are wrapped by packaging bags and then cut and cut the packaging bags in the conventional book packaging method provided by the background art, a large amount of cutting waste materials are generated due to different sizes of the books, errors are easily generated in the packaging process, and monitoring is required by multiple workers.

In order to achieve the purpose, the invention adopts the technical scheme that:

a plastic package packing device for books comprises a bagging machine, wherein a bagging pipe is fixedly mounted above the bagging machine, a conveying belt is fixedly mounted in front of the bagging pipe, a plastic packaging machine is fixedly mounted on the right side of the conveying belt, a rotary table is fixedly mounted in front of the conveying belt, a protective shell is fixedly mounted in front of the rotary table, a transmission pipe is fixedly mounted below the protective shell, a first stand column is fixedly mounted on the right side of the transmission pipe, a second stand column is fixedly mounted on the left side of the transmission pipe, a base is fixedly mounted below the second stand column, a culvert is fixedly welded on the rotary table, a contraction passage is fixedly welded in front of the contraction passage, a contraction opening is formed in front of the contraction passage, a book inlet is formed in the rotary table, a transmission rod is fixedly mounted in the protective shell, and a belt is fixedly mounted below the transmission rod, a first motor is fixedly arranged in the machine base, a driving wheel is fixedly arranged on the first motor, a belt pulley is fixedly arranged above the first motor, a four-tooth buckle is fixedly arranged on the belt pulley, a bayonet is arranged on the four-tooth buckle, a first arc-shaped opening is arranged on the right side of the bayonet, a first fixed shaft is fixedly arranged in the four-tooth buckle, a lock disc is fixedly arranged in front of the first motor, a second arc-shaped opening is arranged on the driving wheel, a clamping column is fixedly welded in the second arc-shaped opening, a second motor is fixedly arranged in the second upright column, a transmission shaft is fixedly arranged above the second motor, a fluted disc is fixedly arranged at the right end of the transmission shaft, a chain is fixedly arranged on the fluted disc, a conveying box is fixedly arranged on the chain, and a third motor is fixedly arranged in the first upright column, the utility model discloses a bag-sleeving machine, including the fixed bolster, the fixed bolster is fixed on the fixed bolster, the top fixed bolster of third motor has the second fixed axle, fixed mounting has the runner on the second fixed axle, welded fastening has the rafter on the runner, the cavity has been seted up in the left side of rafter, fixed mounting has compression spring in the cavity, compression spring's left side fixed mounting has the baffle, the left side fixed mounting of baffle has the push pedal, compression spring's right side fixed mounting has the push rod, the intraductal movable mounting of cover bag has the bag clamp, movable mounting has the roller on the bag clamp, the front end fixed mounting of roller has the mount, the top fixed mounting of mount has the fixture block, the left side fixed mounting of roller has the touch face, the right side fixed mounting of.

As a further scheme of the invention, four sets of the bayonets are arranged, the four sets of the bayonets are respectively arranged on four corners of the four-tooth buckle, the bayonets penetrate through the front end and the rear end of the four-tooth buckle, the four sets of the first arc-shaped openings are arranged, the four sets of the first arc-shaped openings are respectively arranged on the upper, lower, left and right edges of the four-tooth buckle, the bayonets are connected with the clamping columns in a clamping manner, and the first arc-shaped openings are connected with the second arc-shaped openings in a clamping manner.

As a further scheme of the present invention, two sets of chains are provided, the two sets of chains are both installed in the second column, each set of chains is provided with two sets of fluted discs correspondingly, the four sets of fluted discs are respectively installed on the upper and lower sides of the interior of the two sets of chains, the two sets of transmission shafts are provided with two sets, the two sets of transmission shafts are respectively installed between the two sets of fluted discs below and between the two sets of fluted discs above, the transmission shafts below are connected with the second motor through belt transmission, the two sets of conveying boxes are provided, and the two sets of conveying boxes are both installed on the chains.

As a further scheme of the invention, the four groups of ducts are uniformly arranged on the turntable, each group of ducts is correspondingly provided with a group of contraction ducts and a group of contraction ports, the book inlet ports are totally provided with four groups, and each group of book inlet ports is correspondingly communicated with one group of contraction ports.

As a further scheme of the invention, a group of belt pulleys are arranged on the second fixed shaft, the second fixed shaft is in transmission connection with the third motor through the belt pulleys, the rotating wheel is fixedly connected with the belt pulleys through welding, the second fixed shaft is in rotation connection with the first upright post, the push rod is connected with the rafter, and the height and the width of the push plate are the same as those of the constriction opening.

As a further scheme of the invention, two groups of bag clamps are arranged, the two groups of bag clamps are respectively arranged at the upper end and the lower end inside the bag sleeving pipe, the upper end and the lower end inside the bag sleeving pipe are both provided with sliding grooves, electric push rods are arranged in the sliding grooves, and the bag clamps and the bag sleeving pipe are in mutual matching sliding connection through clamping blocks and the sliding grooves.

As a further scheme of the invention, two groups of fixing frames are correspondingly arranged on each group of roll shafts, the two groups of fixing frames are respectively arranged at the front end and the rear end of each roll shaft, a group of clamping blocks is correspondingly arranged on each group of fixing frames, and the fixing frames are rotationally connected with the roll shafts.

As a further scheme of the invention, a group of belt pulleys is arranged on the transmission rod, the transmission rod is in transmission connection with the first fixed shaft through two groups of belt pulleys and a belt, and the transmission rod is fixed with the rotary table through screw connection.

As a further scheme of the present invention, a set of coil springs is correspondingly disposed in each set of roller shafts, one set of torque arms of the coil springs is mounted in the touch surface, and the other set of torque arms of the coil springs is mounted in one set of fixed frames.

A packaging method of a plastic packaging device for books specifically comprises the following steps:

the method comprises the following steps: and conveying the books into the conveying box.

Step two: start first motor, second motor and third motor, first motor drives the chain work, the chain drives and carries the box to remove, carry the box to carry books to left income book mouth in, later second motor work, it is rotatory to drive the carousel, left income book mouth rotates to the top, bagging machine begins to work, the intraductal bag of bagging machine presss from both sides and overlaps the sack of packing bag to the top on, the carousel continues to rotate, the income book mouth of top rotates to the right side, third motor work, the intraoral books of book will be gone into to the push pedal is ejecting, sheathe in the wrapping bag, move to the conveyer belt on.

Step three: and the conveying belt conveys the books into the plastic packaging machine to carry out plastic packaging on the books.

Compared with the prior art, the invention has the following beneficial effects:

the three-edge sealed semi-finished product packaging bag is sleeved on the duct and the contraction duct through the bagging machine, the contraction duct is convenient for the packaging bag to be sleeved on the duct, the packaging bags with different sizes can be selected according to different sizes of packaged books, and the waste of packaging materials can be avoided.

The traditional system of carousel has adopted maltese cross core structure, promotes the stability of carousel when rotatory, and for the transport of books, the cover bag provides more stable environment, can avoid using many workers to control machinery, has reduced the human cost.

The transmission part of the machine is provided with a protective cover, so that the safety of operators is greatly improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the turntable structure of the present invention;

FIG. 3 is a schematic view of the turntable transmission structure of the present invention;

FIG. 4 is a perspective view of the transmission of the present invention;

FIG. 5 is a perspective view of the conveyor of the present invention;

FIG. 6 is a schematic structural diagram of a pushing device according to the present invention;

FIG. 7 is a schematic view of the construction of the bagging tube of the invention;

fig. 8 is a schematic structural view of the pouch clip of the present invention.

In the figure: 1-bagging machine, 2-bagging pipe, 3-rotating disc, 4-protective shell, 5-conveying belt, 6-plastic packaging machine, 7-first upright post, 8-conveying pipe, 9-second upright post, 10-base, 11-duct, 12-contraction duct, 13-contraction mouth, 14-book inlet, 15-driving rod, 16-belt, 17-belt pulley, 18-first motor, 19-driving wheel, 20-four-tooth buckle, 21-bayonet, 22-first arc opening, 23-first fixed shaft, 24-locking disc, 25-second arc opening, 26-clamping column, 27-chain, 28-fluted disc, 29-second motor, 30-driving shaft, 31-conveying box, 32-push plate, 33-a partition plate, 34-a compression spring, 35-a push rod, 36-a rafter, 37-a rotating wheel, 38-a second fixed shaft, 39-a third motor, 40-a cavity, 41-a bag clamp, 42-a contact surface, 43-a fixed frame, 44-a fixture block, 45-a roller shaft and 46-a clamping plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the invention provides a book plastic packaging device, which comprises a bagging machine 1, a bagging pipe 2 is fixedly installed above the bagging machine 1, a conveying belt 5 is fixedly installed in front of the bagging pipe 2, a plastic packaging machine 6 is fixedly installed on the right side of the conveying belt 5, a rotary table 3 is fixedly installed in front of the conveying belt 5, a protective shell 4 is fixedly installed in front of the rotary table 3, a transmission pipe 8 is fixedly installed below the protective shell 4, a first upright post 7 is fixedly installed on the right side of the transmission pipe 8, a second upright post 9 is fixedly installed on the left side of the transmission pipe 8, a machine base 10 is fixedly installed below the second upright post 9 of the second upright post, a duct 11 is fixedly welded on the rotary table 3, a contraction duct 12 is fixedly welded in front of the duct 11, a contraction opening 13 is formed in front of the contraction duct 12, a book inlet 14 is formed on the rotary table 3, a transmission rod 15 is fixedly installed in the, a belt 16 is fixedly arranged below the transmission rod 15, a first motor 18 is fixedly arranged in the machine base 10, a transmission wheel 19 is fixedly arranged on the first motor 18, a belt pulley 17 is fixedly arranged above the first motor 18, a four-tooth buckle 20 is fixedly arranged on the belt pulley 17, a bayonet 21 is arranged on the four-tooth buckle 20, a first arc-shaped opening 22 is arranged on the right side of the bayonet 21, a first fixed shaft 23 is fixedly arranged in the four-tooth buckle 20, a locking disc 24 is fixedly arranged in front of the first motor 18, a second arc-shaped opening 25 is arranged on the transmission wheel 19, a clamping column 26 is fixedly welded in the second arc-shaped opening 25, a second motor 29 is fixedly arranged in the second column 9, a transmission shaft 30 is fixedly arranged above the second motor 29, a fluted disc 28 is fixedly arranged at the right end of the transmission shaft 30, a chain 27 is fixedly arranged on the fluted disc 28, and a conveying box 31, a third motor 39 is fixedly installed in the first upright post 7, a second fixing shaft 38 is fixedly installed above the third motor 39, a rotating wheel 37 is fixedly installed on the second fixing shaft 38, a rafter 36 is fixedly welded on the rotating wheel 37, a cavity 40 is formed in the left side of the rafter 36, a compression spring 34 is fixedly installed in the cavity 40, a partition plate 33 is fixedly installed on the left side of the compression spring 34, a push plate 32 is fixedly installed on the left side of the partition plate 33, a push rod 35 is fixedly installed on the right side of the compression spring 34, a bag clamp 41 is movably installed in the bag sleeving tube 2, a roll shaft 45 is movably installed on the bag clamp 41, a fixing frame 43 is fixedly installed at the front end of the roll shaft 45, a clamping block 44 is fixedly installed at the top end of the fixing frame 43, a touch surface 42 is fixedly installed on the left side of, the second motor 29 and the third motor 39 are both electrically connected to an external power source.

The four groups of bayonets 21 are arranged, the four groups of bayonets 21 are respectively arranged on four corners of the four-tooth buckle 20, the bayonets 21 penetrate through the front end and the rear end of the four-tooth buckle 20, the four groups of first arc-shaped openings 22 are arranged, the four groups of first arc-shaped openings 22 are respectively arranged on the upper, lower, left and right edges of the four-tooth buckle 20, the bayonets 21 are connected with the clamping columns 26 in a clamping mode, and the first arc-shaped openings 22 are connected with the second arc-shaped openings 25; the chains 27 are arranged in two groups, the two groups of chains 27 are both arranged in the second upright post 9, each group of chains 27 is correspondingly provided with two groups of fluted discs 28, the four groups of fluted discs 28 are respectively arranged at the upper side and the lower side in the two groups of chains 27, the transmission shafts 30 are arranged in two groups, the two groups of transmission shafts 30 are respectively arranged between the two groups of fluted discs 28 at the lower part and between the two groups of fluted discs 28 at the upper part, the transmission shafts 30 at the lower part are connected with the second motor 29 through belt transmission, the transmission boxes 31 are arranged in two groups, and the two groups of transmission boxes; the ducts 11 are provided with four groups, the four groups of ducts 11 are uniformly arranged on the rotary table 3, each group of ducts 11 is correspondingly provided with a group of contraction ducts 12 and a group of contraction openings 13, the book inlets 14 are provided with four groups, and each group of book inlets 14 is correspondingly communicated with one group of contraction openings 13; a group of belt pulleys 17 are arranged on the second fixed shaft 38, the second fixed shaft 38 is in transmission connection with a third motor 39 through the belt pulleys 17, the rotating wheel 37 is fixedly connected with the belt pulleys 17 through welding, the second fixed shaft 38 is in rotation connection with the first upright post 7, the push rod 35 is connected with the rafter 36, and the height and the width of the push plate 32 are the same as those of the tightening opening 13; the bag clamps 41 are arranged in two groups, the two groups of bag clamps 41 are respectively arranged at the upper end and the lower end inside the bag sleeving pipe 2, the upper end and the lower end inside the bag sleeving pipe 2 are both provided with sliding grooves, electric push rods are arranged in the sliding grooves, and the bag clamps 41 and the bag sleeving pipe 2 are in sliding connection through the mutual matching of the clamping blocks 44 and the sliding grooves; two groups of fixing frames 43 are correspondingly arranged on each group of roll shafts 45, the two groups of fixing frames 43 are respectively arranged at the front end and the rear end of each roll shaft 45, a group of clamping blocks 44 are correspondingly arranged on each group of fixing frames 43, and the fixing frames 43 are rotatably connected with the roll shafts 45; a group of belt pulleys 17 is arranged on the transmission rod 15, the transmission rod 15 is in transmission connection with the first fixed shaft 23 through two groups of belt pulleys 17 and a belt 16, and the transmission rod 15 is fixed with the rotary table 3 through screw threads; a set of coil springs is correspondingly arranged in each set of roller shafts 45, a set of torsion arms of the coil springs is arranged in the touch surface 42, and the other set of torsion arms of the coil springs is arranged in one set of fixing frames 43.

the method comprises the following steps: the books are conveyed into the conveyance box 31.

Step two: the first motor 18, the second motor 29 and the third motor 39 are started, the first motor 18 drives the chain 27 to work, the chain 27 drives the conveying box 31 to move, the conveying box 31 conveys books into the left book inlet 14, then the second motor 29 works to drive the rotary disc 3 to rotate, the left book inlet 14 rotates to the upper side, the bagging machine 1 starts to work, the bag clamp 41 in the bagging pipe 2 sleeves the packaging bag onto the duct 11 above, the rotary disc 3 continues to rotate, the book inlet 14 above rotates to the right side, the third motor 39 works, the push plate 32 ejects the books into the book inlet 14, the packaging bags are sleeved, and the books are moved onto the conveying belt 5.

Step three: the conveying belt 5 conveys the books into the plastic packaging machine 6 for plastic packaging of the books.

According to the invention, firstly, books to be packaged are conveyed into a conveying box 31, then a first motor 18, a second motor 29 and a third motor 39 are started, the first motor 18 drives a chain 27 to work, the chain 27 drives the conveying box 31 to move, the conveying box 31 conveys the books into a left book inlet 14, then the second motor 29 works, the second motor 29 drives a driving wheel 19 to rotate, the driving wheel 19 drives a four-ruler buckle 20 to rotate through the clamping of a four-tooth buckle 20 and the driving wheel 19, each four-ruler buckle 20 rotates for one turn when the driving wheel 19 rotates for four turns, the four-ruler buckle 20 drives a driving rod 15 to rotate through a belt pulley 17 and a belt, the driving rod 15 drives a rotary disc 3 to rotate, the left book inlet 14 rotates to the upper side, meanwhile, the books rotate to the upper side, a bagging machine 1 starts to work, a bag clamp 41 in a bag sleeving pipe 2 sleeves the packaging bags onto the upper culvert 11, then the turntable 3 continues to rotate, the book inlet 14 above the turntable rotates to the right side, the third motor 39 works, the third motor 39 drives the rotating wheel 37 to rotate, the rafter on the rotating wheel 37 is in contact with the push rod 35 to push the push rod 35 to move leftwards, the push plate 32 ejects out the books in the book inlet 14, the packaging bags are sleeved on the packaging bag and move to the conveying belt 5, then the push plate 32 and the push rod 35 are reset through the compression spring, the conveying belt 5 conveys the packaging bags containing the books to the plastic packaging machine 6, and the packaging bags are subjected to plastic packaging.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plastic envelope packing plant of books, includes bagging machine (1), its characterized in that: the bagging machine is characterized in that a bagging pipe (2) is fixedly mounted above the bagging machine (1), a conveying belt (5) is fixedly mounted in the front of the bagging pipe (2), a plastic packaging machine (6) is fixedly mounted on the right side of the conveying belt (5), a turntable (3) is fixedly mounted in the front of the conveying belt (5), a protective shell (4) is fixedly mounted in the front of the turntable (3), a transmission pipe (8) is fixedly mounted below the protective shell (4), a first stand column (7) is fixedly mounted on the right side of the transmission pipe (8), a second stand column (9) is fixedly mounted on the left side of the transmission pipe (8), a machine base (10) is fixedly mounted below the second stand column (9), a duct (11) is fixedly welded on the turntable (3), a contraction duct (12) is fixedly welded in the front of the duct (11), and a contraction opening (13) is formed in the front of the contraction duct (12), a book inlet (14) is formed in the turntable (3), a transmission rod (15) is fixedly mounted in the protective shell (4), a belt (16) is fixedly mounted below the transmission rod (15), a first motor (18) is fixedly mounted in the base (10), a transmission wheel (19) is fixedly mounted on the first motor (18), a belt pulley (17) is fixedly mounted above the first motor (18), a four-tooth buckle (20) is fixedly mounted on the belt pulley (17), a bayonet (21) is formed in the four-tooth buckle (20), a first arc-shaped opening (22) is formed in the right side of the bayonet (21), a first fixed shaft (23) is fixedly mounted in the four-tooth buckle (20), a lock disc (24) is fixedly mounted in front of the first motor (18), and a second arc-shaped opening (25) is formed in the transmission wheel (19), welded fastening has calorie post (26) in second arc opening (25), fixed mounting has second motor (29) in second stand (9), the top fixed mounting of second motor (29) has transmission shaft (30), the right-hand member fixed mounting of transmission shaft (30) has fluted disc (28), fixed mounting has chain (27) on fluted disc (28), fixed mounting has transport box (31) on chain (27), fixed mounting has third motor (39) in first stand (7), the top fixed mounting of third motor (39) has second fixed axle (38), fixed mounting has runner (37) on second fixed axle (38), welded fastening has rafter (36) on runner (37), chamber (40) have been seted up in the left side of rafter (36), fixed mounting has compression spring (34) in chamber (40), the utility model discloses a bag packing machine, including compression spring (34), left side fixed mounting of compression spring (34) has baffle (33), the left side fixed mounting of baffle (33) has push pedal (32), the right side fixed mounting of compression spring (34) has push rod (35), movable mounting has bag holder (41) in bagging-off pipe (2), movable mounting has roller (45) on the bag holder (41), the front end fixed mounting of roller (45) has mount (43), the top fixed mounting of mount (43) has fixture block (44), the left side fixed mounting of roller (45) has touch face (42), the right side fixed mounting of roller (45) has splint (46), first motor (18), second motor (29) and third motor (39) all with external power source electric connection.

2. The plastic packaging device for books according to claim 1, wherein: bayonet socket (21) are provided with four groups altogether, four groups of bayonet sockets (21) are seted up respectively on four corners of four teeth buckle (20), bayonet socket (21) run through four teeth buckle (20) front and back both ends, first arc opening (22) are provided with four groups altogether, four groups of first arc opening (22) are seted up respectively and are controlled four edges about four teeth buckle (20), bayonet socket (21) are connected with calorie post (26) block, first arc opening (22) are connected with second arc opening (25) block.

3. The plastic packaging device for books according to claim 1, wherein: chain (27) are provided with two sets ofly altogether, all install in second stand (9) two sets of chains (27), every group chain (27) correspondence is provided with two sets of fluted discs (28), the inside last downside at two sets of chains (27) is installed respectively in four sets of fluted discs (28), transmission shaft (30) are provided with two sets ofly altogether, install respectively between two sets of fluted discs (28) of below and between two sets of fluted discs (28) of top two sets of transmission shafts (30), be connected through belt drive between transmission shaft (30) of below and second motor (29), it is provided with two sets ofly altogether to carry box (31), two sets of box (31) of carrying are all installed on chain (27).

4. The plastic packaging device for books according to claim 1, wherein: the culvert is characterized in that four groups of culverts (11) are arranged, the four groups of culverts (11) are uniformly arranged on the rotary table (3), each group of culvert (11) is correspondingly provided with a group of contraction channel (12) and a group of contraction opening (13), the book inlet (14) is provided with four groups, and each group of book inlet (14) is correspondingly communicated with one group of contraction opening (13).

5. The plastic packaging device for books according to claim 1, wherein: be provided with a set of belt pulley (17) on second fixed axle (38), be connected through belt pulley (17) transmission between second fixed axle (38) and third motor (39), runner (37) are connected through welded fastening with belt pulley (17), be connected through rotating between second fixed axle (38) and first stand (7), push rod (35) meet with rafter (36), the height and the width of push pedal (32) are the same with the height and the width of constriction mouth (13).

6. The plastic packaging device for books according to claim 1, wherein: the bag presss from both sides (41) and is provided with two sets ofly altogether, install respectively at the inside upper and lower both ends of bagging-off pipe (2) for two sets of bag presss from both sides (41), the spout has all been seted up at the inside upper and lower both ends of bagging-off pipe (2), install electric putter in the spout, through the sliding connection that mutually supports of fixture block (44) and spout between bag clamp (41) and bagging-off pipe (2).

7. The plastic packaging device for books according to claim 1, wherein: the roller fixing device is characterized in that two groups of fixing frames (43) are correspondingly arranged on each group of roller shafts (45), the two groups of fixing frames (43) are respectively arranged at the front end and the rear end of each roller shaft (45), a group of clamping blocks (44) are correspondingly arranged on each group of fixing frames (43), and the fixing frames (43) are rotatably connected with the roller shafts (45).

8. The plastic packaging device for books according to claim 1, wherein: the transmission rod (15) is provided with a group of belt pulleys (17), the transmission rod (15) is in transmission connection with the first fixed shaft (23) through two groups of belt pulleys (17) and a belt (16), and the transmission rod (15) is fixed with the turntable (3) through a screw joint.

9. The plastic packaging device for books according to claim 1, wherein: correspond in every group roller (45) and be provided with a set of coil spring, a set of torque arm of coil spring is installed in touching face (42), another set of torque arm of coil spring is installed in one of them group mount (43).

10. A packaging method of a book plastic packaging device according to claim 1, wherein the packaging method specifically comprises the following steps:

the method comprises the following steps: conveying the books into a conveying box (31);

step two: the first motor (18), the second motor (29) and the third motor (39) are started, the first motor (18) drives the chain (27) to work, the chain (27) drives the conveying box (31) to move, the conveying box (31) conveys books into the left book inlet (14), then the second motor (29) works to drive the rotary disc (3) to rotate, the left book inlet (14) rotates to the upper side, the bagging machine (1) starts to work, a bag clamp (41) in the bagging pipe (2) sleeves a packaging bag onto an upper duct (11), the rotary disc (3) continues to rotate, the upper book inlet (14) rotates to the right side, the third motor (39) works, and the push plate (32) ejects out the books in the book inlet (14), sleeves the packaging bag and moves onto the conveyor belt (5);

step three: the conveying belt (5) conveys the books into a plastic packaging machine (6) for plastic packaging of the books.