CN218317551U

CN218317551U - Automatic plastic packaging machine for books

Info

Publication number: CN218317551U
Application number: CN202222414577.XU
Authority: CN
Inventors: 苏建鹏
Original assignee: Shaanxi Daze Printing Co ltd
Current assignee: Shaanxi Daze Printing Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-17
Anticipated expiration: 2032-09-09

Abstract

The application relates to an automatic book plastic packaging machine, which relates to the field of material packaging and comprises a conveying mechanism, a horizontal positioning assembly and a plastic packaging mechanism, wherein the conveying mechanism and the plastic packaging mechanism are sequentially arranged along a feeding direction; the horizontal positioning assembly is fixedly installed on the conveying mechanism and comprises a fixed plate, a second air cylinder and a butt plate, the fixed plate is arranged on one side of the conveying mechanism in the feeding direction, the butt plate is arranged on the other side of the conveying mechanism in the feeding direction, the fixed plate is fixedly installed on the conveying mechanism, the second air cylinder is installed on the conveying mechanism, and the second air cylinder is used for driving the butt plate to move towards or away from one side of the fixed plate. This application has the effect of tidying up books edge.

Description

Automatic plastic packaging machine for books

Technical Field

The application relates to the field of material packaging, in particular to an automatic plastic packaging machine for books.

Background

Books are daily indispensable cultural products of people, and after the books are made, a stack of books need to be packaged by a heat-shrinkable film so as to be conveniently and integrally conveyed.

In the related technology, the plastic packaging mechanism comprises a conveying line body, a film conveying mechanism and a plastic packaging bin, an operator places books on the conveying line body, the conveying line body conveys the books to the film conveying mechanism, the film conveying mechanism covers the surfaces of the books with plastic packaging films, the books enter the plastic packaging bin after passing through the film conveying mechanism, and the plastic packaging films shrink when heated to complete plastic packaging.

In view of the above-mentioned related technologies, the inventors believe that there is a defect that the edges of the book cannot be processed neatly, and the edges are not neat during plastic packaging.

SUMMERY OF THE UTILITY MODEL

In order to process the edge of a book in order, the application provides an automatic plastic packaging machine for the book.

The application provides an automatic plastic packaging machine of books adopts following technical scheme:

an automatic book plastic packaging machine comprises a conveying mechanism, a horizontal positioning mechanism and a plastic packaging mechanism, wherein the conveying mechanism and the plastic packaging mechanism are sequentially arranged along a feeding direction;

the horizontal positioning mechanism is fixedly installed on the conveying mechanism and comprises a fixed plate, a second air cylinder and a butt plate, the fixed plate is arranged on one side of the conveying mechanism in the feeding direction, the butt plate is arranged on the other side of the conveying mechanism, the fixed plate is fixedly installed on the conveying mechanism, the second air cylinder is installed on the conveying mechanism, and the second air cylinder is used for driving the butt plate to move towards or away from one side of the fixed plate.

Through adopting above-mentioned technical scheme, when putting books in order, treat that the books of plastic envelope reachd horizontal positioning mechanism department, the butt joint board promotes the books of waiting the plastic envelope under the promotion of second cylinder and be close to and contact with the fixed plate to the fixed plate, accomplishes the arrangement to parallel pay-off direction both sides, makes two edges of books become neat, guarantees after the pyrocondensation that the both sides of books are neat, convenient transportation.

Optionally, the positioning device further comprises at least one positioning mechanism, wherein one of the positioning mechanisms is a second positioning mechanism;

the positioning mechanism comprises a positioning frame and a longitudinal material baffle plate, and the longitudinal material baffle plate longitudinally slides along the positioning frame;

the positioning frame in the second positioning mechanism is arranged on the conveying mechanism, the abutting plate, the fixed plate and the longitudinal material baffle plate in the second positioning mechanism form a book arrangement area, and the opening direction of the book arrangement area faces to the feeding direction feeding side.

Through adopting above-mentioned technical scheme, books are carried along direction of delivery by conveying mechanism, when books are about to carry the book arrangement zone time, second positioning mechanism's vertical striker plate downstream is until contacting with conveying mechanism, books and second positioning mechanism's vertical striker plate contact back, conveying mechanism stop work, avoid books to continue to move forward, accomplish preliminary arrangement, it promotes books to the fixed plate to support the push pedal, later accomplish the arrangement of three direction, then second positioning mechanism's vertical striker plate, it returns the original position to support push pedal and fixed plate, the conveyer belt continues to drive books and continues to advance along the pay-off direction, make the books of three direction become neat.

Optionally, the system further comprises a linear motor;

the two positioning mechanisms are arranged, the other positioning mechanism is a first positioning mechanism, the first positioning mechanism and the second positioning mechanism are sequentially arranged along the feeding direction, and the first positioning mechanism moves along the feeding direction under the driving of the linear motor.

Through adopting above-mentioned technical scheme, books are being in order by the vertical striker plate of second positioning mechanism, when supporting push pedal and fixed plate, the vertical striker plate downstream of first positioning mechanism to the conveyer belt, first motor drives first positioning mechanism and removes to second positioning mechanism along the pay-off direction, the vertical striker plate and the books contact of first positioning mechanism, the completion is to the arrangement of four directions of books, then, the vertical striker plate of first positioning mechanism, the vertical striker plate of second positioning mechanism, support push pedal and fixed plate and return the original position, the conveyer belt continues to drive books and continues to advance along the pay-off direction.

Optionally, plastic envelope mechanism includes the conveying line body, the conveying line body includes frame, at least one running roller and second motor, conveying mechanism with the conveying line body arranges along the pay-off direction in proper order, the frame is located the conveying end of the conveying line body, it is a plurality of the running roller arranges along the pay-off direction in proper order, the running roller rotate connect in the frame, the second motor is used for driving one of them running roller edge the frame rotates.

Through adopting above-mentioned technical scheme, defeated line body is located conveying mechanism's end, and when books moved to defeated line body on, the second motor drive running roller rotated to continue to carry books forward along the pay-off direction, get into subsequent process.

Optionally, still include two and send membrane module, conveying mechanism top and below respectively are equipped with one send membrane module, send membrane module including sending membrane roller and nip roll, send membrane roller with nip roll arranges along the pay-off direction in proper order, send membrane roller with the frame rotates to be connected, nip roll with the frame rotates to be connected.

By adopting the technical scheme, the books continuously move on the feeding assembly along the feeding direction, pass through the film feeding mechanism, contact the plastic packaging film, and the plastic packaging film drives the film feeding roller to rotate, so that the plastic packaging film covers the surfaces of the books, and preparation is made for subsequent plastic packaging of the plastic packaging bin; because the upper and lower both sides at the conveyer belt all are equipped with the plastic envelope membrane, can wrap up the upper and lower both sides of books simultaneously, can improve work efficiency.

Optionally, the plastic packaging mechanism further comprises a transverse plastic packaging assembly, the transverse plastic packaging assembly comprises a support frame, two plastic sealing heads and two third cylinders, the support frame is fixedly connected with the rack, the plastic sealing heads are connected with the second vertical section in a sliding mode, the third cylinders are fixedly connected with the support frame, and the second cylinders are used for driving the two plastic sealing heads to move towards directions close to or away from each other.

Through adopting above-mentioned technical scheme, books have the one deck plastic envelope membrane through sending membrane module after, and two third cylinders drive two and mould the head towards the direction motion that is close to each other this moment, accomplish the banding and cut off the plastic envelope membrane, and two third cylinders drive two and mould the head towards the direction motion of keeping away from each other later, get back to initial position, through the plastic head of setting up both sides from top to bottom, it is for unilateral hot pressing, has the advantage that efficiency is higher.

Optionally, the plastic packaging machine further comprises a longitudinal plastic packaging assembly, wherein the longitudinal plastic packaging assembly comprises at least one plastic packaging roller, the plastic packaging roller is rotatably connected with the rack, and a material passing gap is formed between the plastic packaging roller and the roller in the vertical direction.

By adopting the technical scheme, after plastic packaging of the transverse plastic packaging assembly, the plastic packaging films on the two sides of the book are still in an unclosed state, and after the plastic packaging films on the two sides of the book pass through the material passing gap formed in the vertical direction by the plastic packaging idler wheel and the roller wheel, the plastic packaging idler wheel performs plastic packaging on the plastic packaging films on the two sides of the book, so that the book plastic packaging films are wrapped.

Optionally, the plastic packaging mechanism further comprises a plastic packaging bin, and the plastic packaging bin is fixedly connected with the rack.

By adopting the technical scheme, the books wrapped by the plastic packaging film are conveyed into the plastic packaging bin by the material conveying line body along the feeding direction, the plastic packaging bin shrinks the plastic packaging film at high temperature and is attached to the surfaces of the books, and the plastic packaging of the books is completed.

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

1. by arranging the horizontal positioning mechanism, the first positioning mechanism and the second positioning mechanism, the regularity of the edges of the books can be effectively controlled;

2. by arranging the second cylinder and the linear motor, the neatness of arranging books manually can be effectively replaced;

3. through setting up horizontal plastic packaging mechanism and vertical plastic packaging mechanism, can effectively handle the plastic packaging membrane of plastic packaging books in advance, guarantee the effect of plastic packaging.

Drawings

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

FIG. 2 is a schematic view of the present application conveying mechanism;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is an enlarged schematic view of part B of fig. 1.

Description of the reference numerals: 1. a work table; 2. a conveying mechanism; 21. a base; 22. a conveyor belt; 23. a belt pulley; 24. a first motor; 3. a positioning mechanism; 31. a positioning frame; 311. a first vertical section; 312. a first horizontal segment; 32. a first cylinder; 33. a fixing member; 34. a guide bar; 35. a longitudinal striker plate; 4. a linear motor; 41. a drive section; 42. a guide rail; 5. a horizontal positioning mechanism; 51. a connecting member; 52. a fixing plate; 53. a second cylinder; 54. a butt joint plate; 6. a film feeding assembly; 61. a first connecting seat; 611. rotating the hole; 62. a film feeding roller; 63. a second connecting seat; 64. flattening rollers; 7. a plastic packaging mechanism; 71. transversely plastic-packaging the assembly; 711. a support frame; 7111. a second vertical section; 7112. a second horizontal segment; 712. a third cylinder; 713. plastic sealing heads; 72. a material conveying line body; 721. a frame; 722. a roller wheel; 723. a second motor; 73. longitudinally plastically packaging the assembly; 731. a mounting frame; 732. plastic packaging the roller; 74. and (5) plastic packaging.

Detailed Description

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

The embodiment of the application discloses automatic plastic packaging machine of books.

Referring to fig. 1, the device comprises a workbench 1, a conveying mechanism 2, two positioning mechanisms 3, two film feeding assemblies 6 and a plastic packaging mechanism 7; the workbench 1, the conveying mechanism 2, the positioning mechanisms 3 and the plastic packaging mechanisms 7 are sequentially distributed along the conveying direction, the two positioning mechanisms 3 are sequentially distributed along the conveying direction, the positioning mechanism 3 close to the workbench 1 is a first positioning mechanism, and the positioning mechanism 3 far away from the workbench 1 is a second positioning mechanism.

Referring to fig. 1 and 2, the conveying mechanism 2 includes a base 21, a conveyor belt 22, two belt pulleys 23 and a first motor 24, in this embodiment, the first motor 24 is preferably a servo motor, a housing of the first motor 24 is fixed on the base 21 through screws, the conveyor belt 22 is wound on the two belt pulleys 23, the belt pulleys 23 are fixed on an output shaft of one of the first motors 24 in a key connection manner, the belt pulley 23 connected with the first motor 24 is driven by the first motor 24 to rotate along the base 21, and the other belt pulley 23 is driven by the conveyor belt 22 to rotate along the base 21.

Referring to fig. 1 and 3, the positioning mechanism 3 includes a positioning frame 31, a first cylinder 32, a fixing member 33, a longitudinal striker plate 35 and at least one guide rod 34, the positioning frame 31 includes two first vertical sections 311 and a first horizontal section 312, the first vertical section 311 is vertically disposed, the first horizontal section 312 is welded to top walls of the two first vertical sections 311, the first horizontal section 312 is provided with two through holes, in this embodiment, there are two guide rods 34, one guide rod 34 is disposed in each through hole, and the guide rod 34 penetrates through the through holes and is slidably connected with the first horizontal section 312; the cylinder body of the first cylinder 32 is fixed on the first horizontal section 312 through a screw, the piston rod of the first cylinder 32 is positioned above the cylinder body, the piston rod of the first cylinder 32 is fixedly connected with the fixing piece 33 through a screw, and the top end of one guide rod 34 is also fixedly connected with the fixing piece 33 through a screw; the longitudinal material baffle 35 is vertically placed and located below the first horizontal section 312, one section of the two guide rods 34 located below the first horizontal section 312 is welded to the top wall of the longitudinal material baffle 35, the bottom wall of the longitudinal material baffle 35 is in contact with the conveyor belt 22, and the plate surface of the longitudinal material baffle 35 is perpendicular to the feeding direction.

Referring to fig. 1 and 3, two first vertical sections 311 are respectively disposed on two sides of the feeding direction of the conveyor belt 22, the first vertical section 311 in the first positioning mechanism slides on the base 21 along the feeding direction, and the first vertical section 311 in the second positioning mechanism is fixedly connected to the base 21 through a screw.

Referring to fig. 1 and 3, the automatic book plastic packaging machine further includes at least one linear motor 4, this embodiment is provided with two linear motors 4, the base 21 is respectively provided with one linear motor 4 on both sides of the feeding direction, each linear motor 4 includes a guide rail 42 and a driving portion 41, the guide rail 42 is fixed on the side wall of the base 21 through screws, the length direction of the guide rail 42 is parallel to the feeding direction, the driving portions 41 and the guide rails 42 are slidably connected, two first vertical sections 311 of the first positioning mechanism are respectively fixedly connected with one driving portion 41 through screws, and the linear motors 4 are used for driving the first positioning mechanism to slide along the guide rails 42.

Referring to fig. 1 and 3, the automatic book plastic packaging machine further includes a horizontal positioning mechanism 5, the horizontal positioning mechanism 5 includes a connecting member 51, a fixing plate 52, a second cylinder 53 and a butt plate 54, the fixing plate 52 is disposed on one side of a feeding direction of the conveying mechanism 2, the butt plate 54 is disposed on the other side of the feeding direction, the fixing plate 52 is connected to a first vertical section 311 of the second positioning mechanism through the connecting member 51, one end of the connecting member 51 is fixedly connected to the fixing plate 52 through a screw, the other end of the connecting member 51 is fixedly connected to the first vertical section 311 through a screw, the second cylinder 53 pushes the butt plate 54 to move towards a direction close to or far away from the fixing plate 52, a cylinder body of the second cylinder 53 is fixed to another first vertical section 311 of the second positioning mechanism through a screw, a piston rod of the second cylinder 53 is located below the first horizontal section 312, the butt plate 54 is fixed to a piston rod of the second cylinder 53 through a screw, and a longitudinal material blocking plate 35 of the horizontal positioning mechanism 5 is located between the butt plate 54 and the fixing plate 52.

Referring to fig. 3, the fixing plate 52 and the abutting plate 54 are both located on one side of the longitudinal striker plate 35 close to the workbench 1, the longitudinal striker plate 35, the fixing plate 52 and the abutting plate 54 enclose a book arrangement area for arranging books, and an opening of the book arrangement area faces one side of the workbench 1.

Referring to fig. 4, two film feeding assemblies 6 are provided, one film feeding assembly 6 is respectively provided on the upper side and the lower side of a conveyor belt 22, each film feeding assembly 6 comprises two first connecting seats 61, one film feeding roller 62, one flattening roller 64 and two second connecting seats 63, the film feeding rollers 62 and the flattening rollers 64 are sequentially arranged along the feeding direction, the film feeding rollers 62 and the flattening rollers 64 are both horizontally arranged and are both perpendicular to the feeding direction of the conveyor belt 22, and the perpendicular distance between the flattening rollers 64 and the conveyor belt 22 is smaller than the perpendicular distance between the film feeding rollers 62 and the conveyor belt 22; two first connecting seats 61 are respectively arranged at two sides along the feeding direction, the two first connecting seats 61 are vertically arranged and fixed on the base 21 through screws, two second connecting seats 63 are respectively arranged at two sides along the feeding direction, the two second connecting seats 63 are vertically arranged and fixed on the base 21 through screws, two first connecting seats 61 are respectively arranged at two ends of the film feeding roller 62, and two second connecting seats 63 are respectively arranged at two ends of the flattening roller 64; a rotating hole 611 is formed in the first connecting seat 61 in a penetrating manner, and the film feeding roller 62 is arranged in the rotating hole 611 and is rotatably connected with the first connecting seat 61; the end part of the flattening roller 64 is rotatably connected to the second connecting seat 63; when a new material roller needs to be replaced on the film feeding roller 62, the old film feeding roller 62 is pulled out from the rotating hole 611, the new material roller is placed between the two first connecting seats 61, and the new material roller can be installed after the film feeding roller 62 sequentially penetrates through the first connecting seats 61, the new material roller and the first connecting seats 61.

Referring to fig. 4, the plastic packaging mechanism 7 includes a transverse plastic packaging assembly 71, a material conveying line body 72, a longitudinal plastic packaging assembly 73 and a plastic packaging bin 74, and the transverse plastic packaging assembly 71, the longitudinal plastic packaging assembly 73 and the plastic packaging bin 74 are sequentially arranged along a feeding direction.

Referring to fig. 4, the transverse plastic package assembly 71 is installed between the wire feeding body 72 and the conveyor belt 22 and is installed on the wire feeding body 72, and the transverse plastic package assembly 71 includes a support frame 711, two plastic sealing heads 113 and two third cylinders 712; the support frame 711 includes two second horizontal segments 7112 and two vertical sections 7111 of second, two second horizontal segments 7112 levels are placed, two vertical sections 7111 are vertical to be placed, each vertical section 7111 top passes through the screw fixation with a second horizontal segment 7112, the bottom welds with a second horizontal segment 7112, the second horizontal segment 7112 that is located the bottom is installed in the conveying line body 72 and is close to one side of conveying mechanism 2, the cylinder body of two third cylinders 712 is installed respectively in the one side that two second horizontal segments 7112 kept away from each other, the piston rod of third cylinder 712 passes second horizontal segment 7112 and with second horizontal segment 7112 sliding connection, two mould head 113 and are located the one side that two second horizontal segments 7112 are close to each other, two mould head 113 are respectively through the piston rod of screw fixation in each third cylinder 712, under the drive of third cylinder 712, two mould head 113 orientation keep away from each other or the direction motion that is close to each other.

Referring to fig. 4, the material conveying body 72 includes a frame 721, a plurality of rollers 722 and a second motor 723, in this embodiment, the second motor 723 is preferably a servo motor, the second horizontal segment 7112 located below is welded to one side of the frame 721 close to the conveyor belt 22, the rollers 722 are rotatably connected to the frame 721, the rollers 722 are parallel to the nip rollers 64, a housing of the second motor 723 is fixed to the frame 721 through screws, an output shaft of the second motor 723 is fixedly connected to the rollers 722 close to the conveyor belt 22 through a coupling, and the rollers 722 rotate along the frame 721 under the driving of the second motor 723.

Referring to fig. 4, the longitudinal plastic package assembly 73 includes two plastic package rollers 732 and two mounting brackets 731, the mounting brackets 731 are respectively disposed on two sides of the feeding direction, the mounting brackets 731 are fixedly connected to the frame 721 through screws, one plastic package roller 732 is disposed on each mounting bracket 731, the plastic package rollers 732 are rotatably connected to the mounting brackets 731, the rotation axis of the plastic package rollers 732 is horizontal and parallel to the rotation axis of the rollers 722, and a material passing gap is formed between the plastic package rollers 732 and the rollers 722 in the vertical direction.

Referring to fig. 4, the plastic packaging bin 74 is fixed to the top wall of the frame 721 through screws, a portion of the rollers 722 is located inside the plastic packaging bin 74, and a direction in which the books enter the plastic packaging bin 74 is parallel to the feeding direction.

The implementation principle of the automatic book plastic packaging machine in the embodiment of the application is as follows: after the books to be packaged are checked, the books to be packaged are placed on the conveyor belt 22, the first motor 24 drives the belt pulley 23 to rotate, the conveyor belt 22 is further driven to move, and the books to be packaged are driven by the conveyor belt 22 to move along the feeding direction.

The longitudinal baffle plate 35 of the first positioning mechanism is lifted, the longitudinal baffle plate 35 of the second positioning mechanism is driven by the first air cylinder 32 to fall, the conveyor belt 22 drives the book to be packaged to enter the book arranging area, at the moment, the book to be packaged stops under the blocking of the longitudinal baffle plate 35 of the second positioning mechanism, the first motor 24 stops, the conveyor belt 22 stops running, at the moment, the longitudinal baffle plate 35 of the first positioning mechanism falls under the driving of the first air cylinder 32, the linear motor 4 drives the first positioning mechanism to move towards the direction close to the horizontal positioning mechanism 5, then the two sides of the book close to the two longitudinal baffle plates 35 are stacked neatly, the abutting plate 54 of the horizontal positioning mechanism 5 is driven by the second air cylinder 53 to move along the direction close to the fixed plate 52, then the two sides of the book close to the abutting plate 54 and the fixed plate 52 are stacked neatly, and the book arrangement is completed.

At this time, the longitudinal striker plate 35 of the first positioning mechanism and the longitudinal striker plate 35 of the second positioning mechanism are lifted up under the driving of the two first cylinders 32, the abutting plate 54 moves towards the direction far away from the fixed plate 52 under the driving of the second cylinder 53, and the first motor 24 drives the book to move along the feeding direction to enter the film feeding assembly 6; the two third cylinders 712 drive the two plastic sealing heads 113 to move towards the mutually approaching direction to complete plastic sealing of the front end of the plastic sealing film, after the arranged books contact the plastic sealing film, the plastic sealing film is driven to extend along the feeding direction and is flattened by the flattening roller 64, and then all the books are wrapped, the books leave the conveyor belt 22 at the moment, the books are driven by the conveying line body 72 to continue to move along the feeding direction, the plastic sealing rollers 732 on two sides of the feeding direction complete plastic sealing of two sides of the plastic sealing film, and after all the books pass through the transverse plastic sealing assembly 71, the two third cylinders 712 drive the two plastic sealing heads 113 to move towards the mutually approaching direction again to complete plastic sealing of the rear end of the plastic sealing film.

The book is driven by the feed line body 72 to move continuously along the feeding direction and enter the plastic packaging bin 74, and the plastic packaging film shrinks under the high-temperature environment, so that the plastic packaging of the book is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 automatic plastic packaging machine for books is characterized in that: the device comprises a conveying mechanism (2), a horizontal positioning mechanism (5) and a plastic packaging mechanism (7), wherein the conveying mechanism (2) and the plastic packaging mechanism (7) are sequentially arranged along the feeding direction;

horizontal positioning mechanism (5) fixed mounting in conveying mechanism (2) is last, horizontal positioning mechanism (5) are equipped with in one side of conveying mechanism (2) pay-off direction fixed plate (52) including fixed plate (52), second cylinder (53) and butt plate (54), the opposite side is equipped with butt plate (54), fixed plate (52) fixed mounting in conveying mechanism (2) is last, second cylinder (53) install in conveying mechanism (2) is last, second cylinder (53) are used for driving butt plate (54) towards being close to or keeping away from the one side motion of fixed plate (52).

2. The automatic book plastic packaging machine according to claim 1, characterized in that: the device also comprises at least one positioning mechanism (3), wherein one positioning mechanism (3) is a second positioning mechanism;

the positioning mechanism (3) comprises a positioning frame (31) and a longitudinal material baffle plate (35), and the longitudinal material baffle plate (35) longitudinally slides along the positioning frame (31);

the positioning frame (31) in the second positioning mechanism is arranged on the conveying mechanism (2), the abutting plate (54), the fixing plate (52) and the longitudinal material baffle plate (35) in the second positioning mechanism form a book arranging area, and the opening direction of the book arranging area faces to the feeding side in the feeding direction.

3. The automatic book plastic packaging machine according to claim 2, characterized in that: the device also comprises a linear motor (4);

two positioning mechanisms (3) are arranged, the other positioning mechanism (3) is a first positioning mechanism, the first positioning mechanism and the second positioning mechanism are sequentially arranged along the feeding direction, and the first positioning mechanism moves along the feeding direction under the driving of the linear motor (4).

4. The automatic book plastic packaging machine according to claim 1, characterized in that: the plastic packaging mechanism (7) comprises a material conveying line body (72), the material conveying line body (72) comprises a rack (721), at least one roller (722) and a second motor (723), the conveying mechanism (2) and the material conveying line body (72) are sequentially arranged along the feeding direction, the rack (721) is located at the tail end of a material conveying line body (72), the rollers (722) are sequentially arranged along the feeding direction, the rollers (722) are rotatably connected to the rack (721), and the second motor (723) is used for driving one of the rollers (722) to rotate along the rack (721).

5. The automatic book plastic packaging machine according to claim 4, wherein: still include two and send membrane module (6), conveying mechanism (2) top and below respectively are equipped with one send membrane module (6), send membrane module (6) including sending membrane roller (62) and nip roll (64), send membrane roller (62) with nip roll (64) are arranged along the pay-off direction in proper order, send membrane roller (62) with frame (721) rotate to be connected, nip roll (64) with frame (721) rotate to be connected.

6. The automatic book plastic packaging machine according to claim 4, characterized in that: plastic packaging mechanism (7) still include horizontal plastic packaging subassembly (71), horizontal plastic packaging subassembly (71) include support frame (711), two mould head (713) and two third cylinder (712), support frame (711) with frame (721) fixed connection, mould head (713) with support frame (711) sliding connection, third cylinder (712) with support frame (711) fixed connection, two third cylinder (712) are used for driving two mould head (713) are towards the direction motion that is close to each other or keeps away from each other.

7. The automatic book plastic packaging machine according to claim 6, characterized in that: the plastic packaging machine is characterized by further comprising a longitudinal plastic packaging assembly (73), wherein the longitudinal plastic packaging assembly (73) comprises at least one plastic packaging roller (732), the plastic packaging roller (732) is rotatably connected with the rack (721), and a material passing gap is formed between the plastic packaging roller (732) and the roller (722) in the vertical direction.

8. The automatic book plastic packaging machine according to claim 4, characterized in that: the plastic packaging mechanism (7) further comprises a plastic packaging bin (74), and the plastic packaging bin (74) is fixedly connected with the rack (721).