阅读说明：本技术 一种均分及随行按压的上书壳装置 (Upper bookcase device for uniform division and accompanying pressing ) 是由 沈伟 于 2021-03-05 设计创作，主要内容包括：本发明公开了一种均分及随行按压的上书壳装置,包括箱体,设置于箱体右端利用伸缩杆长度感应控制分页顶块对书册进行均分避免偏移的均分组件、设置于均分组件右侧用于推动传输书册的推送组件、设置于所述箱体左端的同时进行多个上书壳操作的上书壳组件,通过推送组件将利用均分组件展开的书册保持展开状态推送至上书壳组件进行操作；所述均分组件包括通过控制伸缩杆伸缩夹紧不同厚度书册的夹紧组件、控制分页顶块运动位置的均分运动组件、通过展开转板使书册展开的展开组件；本技术方案中的均分及随行按压的上书壳装置能实现均匀分页避免偏移和随行按压加固连接,而且上书壳装置能够同时进行多个上书壳操作。(The invention discloses an upper book case device for uniform division and accompanying pressing, which comprises a box body, a uniform division component, a pushing component and an upper book case component, wherein the uniform division component is arranged at the right end of the box body and utilizes a telescopic rod length induction control paging top block to uniformly divide a book to avoid deviation; the uniform distribution assembly comprises a clamping assembly for clamping books with different thicknesses by controlling the telescopic rod to stretch and contract, a uniform distribution movement assembly for controlling the movement position of the paging top block, and an unfolding assembly for unfolding the books by unfolding the rotating plate; the last slipcase device of equalling divide and retinue to press among this technical scheme can realize even paging and avoid skew and retinue to press to consolidate and connect, goes up the slipcase device moreover and can carry out a plurality of last slipcase operations simultaneously.)

1. The utility model provides an even divide and go up slipcase device that line pressed, includes the box, its characterized in that: the book distributing assembly is arranged at the right end of the box body and used for uniformly distributing books by utilizing the telescopic rod length induction control paging jacking block to avoid deviation, the pushing assembly is arranged at the right side of the distributing assembly and used for pushing and transmitting the books, the upper book shell assembly is arranged at the left end of the box body and used for simultaneously carrying out a plurality of upper book shell operations, and the books expanded by the distributing assembly are pushed to the upper book shell assembly to be operated in an expanded state through the pushing assembly; the uniform distribution assembly comprises a clamping assembly for clamping books with different thicknesses by controlling the telescopic rod to stretch and contract, a uniform distribution movement assembly for controlling the movement position of the paging top block, and an unfolding assembly for unfolding the books by unfolding the rotating plate, wherein the uniform distribution movement assembly is controlled by controlling the stretching length of the telescopic rod through the clamping assembly to control the unfolding assembly to move to the middle position of the books; the book cover feeding assembly comprises a separation groove with a right opening, a gluing assembly, a following pressing assembly, a positioning assembly and a multi-operation assembly, wherein the gluing assembly contracts at the right end of the separation groove and is used for gluing a book, the following pressing assembly is evenly arranged at the top end of the separation groove and is used for controlling the book and the book cover to be pressed, the positioning assembly is used for controlling the three book covers to be positioned, the multi-operation assembly is evenly arranged in the separation groove in a front-back mode, is used for lifting the three separated books and the book cover and is used for feeding the book cover, the gluing assembly is used for gluing the unfolded book and then distributing the multi-operation assembly, and the multi-operation assembly and the following pressing assembly are started and controlled to operate together to carry out a plurality of book cover feeding.

2. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: clamping assembly including fixed set up in the ascending control block groove of box right-hand member top and opening, box right-hand member top surface and front and back symmetry are fixed set up in the lead screw of control block groove front and back side, the lead screw provides kinetic energy by the motor, the lead screw drives nut up-and-down motion, the front and back side one side that nut 37 met and keep away from is provided with location restriction baffle, the nut is close to the fixed telescopic link that compresses tightly that is provided with of one end in control block groove, it is close to compress tightly the telescopic link the fixed compact heap that is provided with of one end in control block groove.

3. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: equal minute motion subassembly including fixed set up in the electronic guide rail of control piece groove diapire, control electronic guide rail drives the control slide seesaw, the fixed ascending paging kicking block spout of opening that is provided with in control slide top, sliding connection has the paging kicking block in the paging kicking block spout, paging kicking block bottom surface with be provided with the paging telescopic link between the paging kicking block spout.

4. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: expand the subassembly including the front and back symmetry fixed set up in paging kicking block front and back end and opening dorsad the expanding turning block groove of paging telescopic link, expand and fixedly be provided with the rotation axis between the end wall about the turning block groove, the rotation axis rotates with the expanding turning block top to be connected, expand turning block top with expand and turn about between the end wall through torsional spring coupling, the torsional spring is in the state of torsion, it is close to expand the turning block the fixed stay cord that is provided with of terminal surface of paging telescopic link, the stay cord is close to the one end of paging telescopic link is walked around to the pole and is connected with electronic spooler, electronic spooler sets up in the spooler intracavity.

5. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: the rubber coating subassembly including fixed set up in the fixed guide rail piece of separating tank right-hand member diapire, fixed guide rail piece upside longitudinal symmetry is provided with two rubber coating devices.

6. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: the walking pressing assembly comprises a front portion and a rear portion, the walking pressing assembly is evenly fixed on the front portion and the rear portion of the walking pressing assembly, the separation groove top wall and the output groove with the upward opening are arranged, a pressing block is arranged on the upper side of the output groove, an induction device block is arranged at the bottom end of the pressing block, the rear end of the pressing block is in power sliding connection with the electric pressing block guide rail, the electric pressing block guide rail is fixedly arranged on the rear end wall of the pressing block guide groove with the forward opening, and.

7. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: the locating component comprises a front locating component and a rear locating component, the front locating component and the rear locating component are symmetrically and fixedly arranged on the top surface of the box body and are located two locating change guide rails on the front side and the rear side of the output chute, the locating change guide rails are in dynamic sliding connection with the bottom ends of locating change blocks arranged in a bilateral symmetry mode, the front side and the rear side are opposite, locating connecting rods are fixedly arranged between the locating change blocks, a case locating block is arranged on the front side and the rear side of the output chute, and the case locating block is provided with a case.

8. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: the pushing assembly comprises a pushing guide rail block arranged above the right side of the control block groove, a convex block is fixedly arranged at the top of the right end of the pushing guide rail block, and a transmission telescopic rod is arranged between the right end of the convex block and the right end of the box body.

9. The apparatus for evenly dividing and pressing with book cover according to claim 1, wherein: many operating assemblies including preceding back evenly set up in three separation guide rail in the separating tank, separation guide rail bottom is provided with stretching device, the stretching device bottom is provided with the separation slider, the fixed ascending separation spout of opening that is provided with of separating tank diapire, the fixed electronic guide rail of separation that is provided with of separation spout diapire, the electronic guide rail of separation is with three separating slider bottom power sliding connection.

Technical Field

The invention relates to the field of binding, in particular to a book cover feeding device for uniform distribution and accompanying pressing.

Background

Go up the slipcase and make a step of binding, go up the slipcase and refer to and flatten it with the book block that pastes the back of the body through the compression roller and glue the back firmly, overlap the book block outside with the slipcase that is processed, get into and sweep the course of working that the liner registrated, go up the slipcase machine at present and need manually carry out the paging and place, thereby very easily control uneven and lead to the dislocation skew, lead to the slipcase crooked, and do not set up the operating device who presses with the line, the slipcase adhesion is firm inadequately, need pay attention to the manual fastening of pressing constantly, comparatively consuming time is power and efficiency is lower, and once only can let you more carry out one and go up the slipcase operation, be unfavorable for mass.

Therefore, for solving the above problems, a novel upper book case device for equally dividing and accompanying pressing is needed, which can realize uniform paging to avoid deviation and accompanying pressing to reinforce the connection, and can simultaneously perform a plurality of upper book case operations, thereby improving the working efficiency and reducing the personnel operation.

Disclosure of Invention

In view of this, the invention provides an upper case device for uniform division and accompanying pressing, which can realize uniform paging to avoid deviation and accompanying pressing reinforced connection, and the upper case device can simultaneously perform a plurality of upper case operations, thereby improving the working efficiency and reducing the number of personnel.

An upper book case device for uniform distribution and accompanying pressing comprises a box body, a uniform distribution assembly, a pushing assembly and an upper book case assembly, wherein the uniform distribution assembly is arranged at the right end of the box body and utilizes a telescopic rod length induction control paging top block to uniformly distribute books so as to avoid deviation; the uniform distribution assembly comprises a clamping assembly for clamping books with different thicknesses by controlling the telescopic rod to stretch and contract, a uniform distribution movement assembly for controlling the movement position of the paging top block, and an unfolding assembly for unfolding the books by unfolding the rotating plate, wherein the uniform distribution movement assembly is controlled by controlling the stretching length of the telescopic rod through the clamping assembly to control the unfolding assembly to move to the middle position of the books; the book cover feeding assembly comprises a separation groove with a right opening, a gluing assembly, a following pressing assembly, a positioning assembly and a multi-operation assembly, wherein the gluing assembly contracts at the right end of the separation groove and is used for gluing a book, the following pressing assembly is evenly arranged at the top end of the separation groove and is used for controlling the book and the book cover to be pressed, the positioning assembly is used for controlling the three book covers to be positioned, the multi-operation assembly is evenly arranged in the separation groove in a front-back mode, is used for lifting the three separated books and the book cover and is used for feeding the book cover, the gluing assembly is used for gluing the unfolded book and then distributing the multi-operation assembly, and the multi-operation assembly and the following pressing assembly are started and controlled to operate together to carry out a plurality of book cover feeding.

Further, clamping assembly including fixed set up in the ascending control block groove of box right-hand member top and opening, box right-hand member top surface and front and back symmetry fixed set up in the lead screw of control block groove front and back side, the lead screw provides kinetic energy by the motor, the lead screw drives nut up-and-down motion, preceding rear side one side that nut 37 met and kept away from is provided with the location restriction baffle, the nut is close to the fixed telescopic link that compresses tightly that is provided with of one end in control block groove, it is close to compress tightly the telescopic link the fixed compact heap that is provided with of one end in control block groove.

Further, the equipartition motion subassembly including fixed set up in the electronic guide rail of control block groove diapire, control electronic guide rail drives the control slide seesaw, the fixed ascending paging kicking block spout of opening that is provided with in control slide top, sliding connection has the paging kicking block in the paging kicking block spout, paging kicking block bottom surface with be provided with the paging telescopic link between the paging kicking block spout.

Further, it is fixed including the front and back symmetry to expand the subassembly set up in paging kicking block front and back end and opening dorsad the expanding turning block groove of paging telescopic link, expand and fixedly be provided with the rotation axis about the turning block groove between the end wall, the rotation axis rotates with the expanding turning block top to be connected, expand turning block top with expand and turn about between the end wall through torsional spring connection, the torsional spring is in the torsional state, it is close to expand turning block the fixed stay cord that is provided with of terminal surface of paging telescopic link, the stay cord is close to the one end of paging telescopic link is walked around to the pole and is connected with electronic spooler, electronic spooler sets up in the spooler intracavity.

Further, the rubber coating subassembly including fixed set up in the fixed guide rail piece of separation tank right-hand member diapire, fixed guide rail piece upside longitudinal symmetry is provided with two rubber coating devices.

Further, the retinue pressing means including around evenly fixed set up in the ascending delivery chute of separating tank roof and opening, the delivery chute upside is provided with the briquetting, the briquetting bottom is provided with the induction system piece, briquetting rear end and briquetting electric guide rail power sliding connection, the fixed setting in the preceding briquetting guide way rear end wall of opening of briquetting electric guide rail, sliding connection has in the briquetting guide way the briquetting rear end.

Further, the locating component including the front and back symmetry fixed set up in the box top surface just is located two location change guide rails of the side around the delivery chute, location change guide rail and the location change piece bottom power sliding connection that bilateral symmetry set up, the front and back side is relative fix between the location change piece and be provided with the location connecting rod, the side is provided with the slipcase locating piece around the delivery chute, the front and back side the slipcase locating piece is provided with the relative ascending slipcase constant head tank of opening simultaneously of opening.

Further, the propelling movement subassembly including set up in the promotion guide rail piece of control block groove right side top, the fixed lug that is provided with in promotion guide rail piece right-hand member top, the lug right-hand member with be provided with the transmission telescopic link between the box right-hand member.

Further, many operating assemblies including preceding back evenly set up in three separation guide rail in the separating tank, separation guide rail bottom is provided with stretching device, the stretching device bottom is provided with the separation slider, the fixed separation spout that is provided with the opening upwards of separating tank diapire, the fixed electronic guide rail of separation that is provided with of separation spout diapire, the electronic guide rail of separation and three separating slider bottom power sliding connection.

The invention has the beneficial effects that: the design provides a semi-automatic book cover feeding device which can realize uniform paging and accompanying pressing and simultaneously perform efficient uniform paging and accompanying pressing of a plurality of book cover feeding operations; the paging jacking block is controlled by the controller to move to the middle position of the book according to the thickness of the clamped book, and the paging jacking block is unfolded and pushed out after the book is inserted, so that the uniform division of the book is realized, and the offset dislocation caused by uneven weight distribution is avoided; the use of the plurality of electric guide rails and the electric telescopic rods ensures that the positioning accuracy is high, the transmission efficiency is high and the service life is long; the accompanying pressing mechanism can automatically press the book and the book case, so that manual operation of personnel is reduced, and attention is not required at all times, thereby providing an automatic environment for batch production; the movable guide rail realizes the book case feeding operation of a plurality of books, and the working efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for loading a book case with uniform and accompanying pressing according to the present invention;

FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure of the assembly of parts shown in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure at D in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure at E in FIG. 4 according to an embodiment of the present invention;

FIG. 7 is a schematic three-dimensional structure diagram of the pushing rail block and the bump in FIG. 1 according to the embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating a process of FIG. 3 before a paging top block is inserted into a book;

FIG. 9 is a schematic diagram illustrating a process of expanding the book by the paging top block in FIG. 3 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The book feeding device for uniform division and accompanying pressing described with reference to fig. 1-9 comprises a box body 10, a uniform division component which is arranged at the right end of the box body 10 and utilizes a telescopic rod length induction control paging top block to uniformly divide a book to avoid deviation, a pushing component which is arranged at the right side of the uniform division component and is used for pushing and transmitting the book, and a book feeding component which is arranged at the left end of the box body 10 and is used for carrying out a plurality of book feeding operations, wherein the book which is unfolded by the uniform division component is pushed to the book feeding component to be operated in an unfolded state through the pushing component; the uniform distribution assembly comprises a clamping assembly for clamping books with different thicknesses by controlling the telescopic rod to stretch and contract, a uniform distribution movement assembly for controlling the movement position of the paging top block, and an unfolding assembly for unfolding the books by unfolding the rotating plate, wherein the uniform distribution movement assembly is controlled by controlling the stretching length of the telescopic rod through the clamping assembly to control the unfolding assembly to move to the middle position of the books; the book cover feeding assembly comprises a separation groove 31 with a right opening, a gluing assembly contracted at the right end of the separation groove 31 and used for gluing a book, three accompanying pressing assemblies uniformly arranged at the top end of the separation groove 31 and used for controlling the accompanying pressing operation of the book and the book cover, a positioning assembly used for controlling the positioning of the three book covers, and a plurality of operating assemblies uniformly arranged in the separation groove 31 in the front and back direction and used for lifting and feeding the book covers, wherein the gluing assembly is used for gluing the unfolded book and then distributing the book covers to the operating assemblies, and the operating assemblies and the accompanying pressing assemblies are started and controlled to operate together to carry out a plurality of book cover feeding operations on the book and the book covers positioned by the positioning assembly; the technical scheme provides a semi-automatic book cover feeding device which can realize uniform paging and accompanying pressing and simultaneously perform efficient uniform distribution and accompanying pressing of a plurality of book cover feeding operations; the paging jacking block is controlled by the controller to move to the middle position of the book according to the thickness of the clamped book, and the paging jacking block is unfolded and pushed out after the book is inserted, so that the uniform division of the book is realized, and the offset dislocation caused by uneven weight distribution is avoided; the use of the plurality of electric guide rails and the electric telescopic rods ensures that the positioning accuracy is high, the transmission efficiency is high and the service life is long; the accompanying pressing mechanism can automatically press the book and the book case, so that manual operation of personnel is reduced, and attention is not required at all times, thereby providing an automatic environment for batch production; the movable guide rail realizes the book case feeding operation of a plurality of books, and the working efficiency is high.

In this embodiment, the clamping assembly includes a control block slot 34 fixedly disposed on the top of the right end of the case 10 and having an upward opening, the lead screws 36 are symmetrically disposed on the front and back sides of the control block slot 34 on the top surface of the right end of the case 10, the lead screws 36 are powered by a motor, the lead screws 36 drive nuts 37 to move up and down, positioning limiting guide plates 50 are disposed on the front and back sides of the side where the nuts 37 meet and are away from, a compressing and stretching rod 32 is fixedly disposed at one end of the nut 37 close to the control block slot 34, a compressing block 33 is fixedly disposed at one end of the compressing and stretching rod 32 close to the control block slot 34, an operator places the top end of a book between the compressing blocks 33 on the front and back sides, the compressing and stretching rod 32 on the front and back sides is controlled to clamp the top end of the book with the same length, thereby make the front and back side compress tightly telescopic link 32 downstream, thereby make the front and back side compact heap 33 presss from both sides tight book downstream extremely control block groove 34 upside, the side around controlling when the book after the expansion transmits compress tightly telescopic link 32 shrink, thereby make the front and back side compact heap 33 is to keeping away from the direction motion of control block groove 34, thereby stop pressing from both sides tight book, thereby make the transmission go on smoothly, utilize the accurate book thickness data that obtains of telescopic link, thereby can accurate control corresponding book intermediate position, improved the accuracy.

In this embodiment, the equipartition motion subassembly including fixed set up in the electronic guide rail 35 of control of 34 diapalls of control block groove, electronic guide rail 35 of control drives control slider 41 seesaw, the fixed ascending paging kicking block spout 39 that is provided with of control slider 41 top, sliding connection has paging kicking block 40 in paging kicking block spout 39, paging kicking block 40 bottom surface with be provided with paging telescopic link 38 between the paging kicking block spout 39, through the motion position of the accurate control paging kicking block of electronic guide rail, and utilize the elevating movement of electronic telescopic link control kicking block, accurate control expandes from the middle of the book page, avoids because of the skew dislocation that the uneven distribution leads to, has improved the precision of last book case.

In this embodiment, the unfolding assembly includes a front and a rear symmetrical fixed installation of the unfolding rotating block slot 44 of the folding top block 40, the opening of the folding top block faces away from the folding telescopic rod 38, the rotary shaft 42 is fixed between the left and right end walls of the unfolding rotating block slot 44, the rotary shaft 42 is rotatably connected with the top end of the unfolding rotating block 48, the top end of the unfolding rotating block 48 is connected with the left and right end walls of the unfolding rotating block slot 44 through the torsion spring 43, the torsion spring 43 is in a torsion state, the unfolding rotating block 48 is close to the end face of the folding telescopic rod 38 and is fixedly provided with the pull rope 47, one end of the pull rope 47 close to the folding telescopic rod 38 is connected with the electric winder 46 through a steering rod, the electric winder 46 is arranged in the winder cavity 45, and the control block 41 is controlled by the electric guide rail 35 according to the extension length of the pressing telescopic rod 32 to move to, thereby control paging telescopic link 38 extends, thereby makes paging kicking block 40 upward movement insert to the book intermediate position, two on the side of controlling after the upward movement of paging kicking block 40 top the electronic spooler 46 rotates, thereby makes stay cord 47 relax the corresponding pulling of unfolding rotating block 48, thereby make the front and back side the piece 48 that unfolds is in torsional spring 43 reset action down to keeping away from the direction rotation of paging telescopic link 38, thereby makes the book expand, two on the side of controlling after the transmission of unfolded book left finishes the electronic spooler 46 reversal, thereby make stay cord 47 pull corresponding the piece 48 that unfolds to the direction rotation that is close to paging telescopic link 38, control paging telescopic link 38 shrink, through control electronic guide 35 control the control slider 41 moves forward to foremost position, .

In this embodiment, the gluing component includes fixed setting in the fixed guide rail piece 18 of separation tank 31 right-hand member diapire, fixed guide rail piece 18 upside longitudinal symmetry is provided with two gluing device 17, and the volume that expandes promotes from the left side extremely fixed guide rail piece 18 upside just continues to promote the in-process left and starts the front and back side gluing device 17 carries out the rubber coating operation to the spine, and the volume that expandes moves back left and closes behind fixed guide rail piece 18 gluing device 17, can carry out the gluing operation automatically in the transfer process, and efficiency is higher and improved automatic level.

In this embodiment, the following pressing assembly includes an output slot 28 uniformly and fixedly disposed on the top wall of the separation slot 31 in the front-back direction and having an upward opening, a pressing block 13 is disposed on the upper side of the output slot 28, a sensing device block 14 is disposed at the bottom end of the pressing block 13, the rear end of the pressing block 13 is in power sliding connection with a pressing block electric guide rail 12, the pressing block electric guide rail 12 is fixedly disposed on the rear end wall of a pressing block guide slot 11 having a forward opening, the rear end of the pressing block 13 is in sliding connection with the pressing block guide slot 11, a book moves upward to jack a book case and drive the book case to move upward to contact with the corresponding sensing device block 14, then the corresponding pressing block electric guide rail 12 is controlled to start, so as to control the corresponding pressing block 13 to ascend synchronously with the book case and the book case, the pressing block 13 maintains a pressing state during the ascending synchronously, and the book, three is controlled briquetting 13 downstream is to the bottommost position, can press shell and book automatically, strengthens bonding strength, controls through electronic guide rail automatically, provides automatic environment for carrying out the operation of a plurality of epithets simultaneously.

In this embodiment, the positioning assembly includes two positioning modification guide rails 27 symmetrically and fixedly disposed on the top surface of the box 10 and located on the front and rear sides of the output slot 28, the positioning modification guide rails 27 are in dynamic sliding connection with the bottom ends of the positioning modification blocks 25 symmetrically disposed on the left and right, a positioning connecting rod 26 is fixedly disposed between the positioning modification blocks 25 opposite to the front and rear sides, the front and rear sides of the output slot 28 are provided with case positioning blocks 15, the case positioning blocks 15 on the front and rear sides are provided with case positioning slots 16 having openings facing upward at the same time, the positioning modification guide rails 27 on the front and rear sides control the corresponding positioning modification blocks 25 to move to positions corresponding to the positioning according to the size of the cases, three cases are unfolded and then placed in the corresponding case positioning slots 16 at four corners, so as to position the cases and position a plurality of cases at the same time, the efficiency of location is improved.

In this embodiment, the propelling movement subassembly including set up in the promotion guide rail piece 19 of control block groove 34 right side top, the fixed lug 20 that is provided with in promotion guide rail piece 19 right-hand member top, lug 20 right-hand member with be provided with transmission telescopic link 21 between the box 10 right-hand member, book expand the back control transmission telescopic link 21 extends, thereby makes lug 20 reaches promotion guide rail piece 19 promotes the expansion book left side and moves, will expand book left side and promote to pass through fixed guide rail piece 18 back continues to promote left to correspond separation guide rail 29 upside back control transmission telescopic link 21 contracts, thereby makes promotion guide rail piece 19 reaches lug 20 moves right, utilizes the lug to transmit and be favorable to transmitting respectively the book that expands.

In this embodiment, the multiple operation assemblies include three separation guide rails 29 uniformly arranged in the separation groove 31 from front to back, the bottom end of each separation guide rail 29 is provided with an extension device 24, the bottom end of each extension device 24 is provided with a separation sliding block 23, the bottom wall of each separation groove 31 is fixedly provided with a separation sliding chute 30 with an upward opening, the bottom wall of each separation sliding chute 30 is fixedly provided with a separation electric guide rail 22, each separation electric guide rail 22 is in power sliding connection with the bottom ends of the three separation sliding blocks 23, an unfolded book leaves the fixed guide rail block 18 from left and then continues to move leftwards under the pushing of the pushing guide rail block 19, the unfolded book is located on the upper side of the separation guide rail 29 on the left side of the fixed guide rail block 18, the unfolded book is pushed to the lower side of the output groove 28 on the last side, and the separation electric guide rail 22 controls the corresponding separation sliding block 23, when the book cover is put on, the front stretching device 24 and the rear stretching device 24 are controlled to stretch, so that the three separation guide rails 29 carry the unfolded books to move upwards, a plurality of books can be operated at the same time, and the efficiency of putting on the book cover is improved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.