阅读说明：本技术 一种书刊印刷生产工艺 (Production process for printing books and periodicals ) 是由 曹飞 于 2021-02-26 设计创作，主要内容包括：本申请涉及一种书刊印刷生产工艺,包括如下步骤：A、书芯制作：将书本内容印刷于纸张上；将印刷好的纸张折页成合适的尺寸；将折页好的纸张按顺序组成书芯；B、封面制作：封面分为外页和内页,将封面内容印刷于外页的外表面并在边缘裁剪形成包边；在内页的外表面贴附磁铁；备弹性带,将弹性带的两端粘贴于内页的外表面并使弹性带绕过内页的内表面；备可夹持弹性带的压扣,压扣并夹持内页；备翻带,翻带表面安装有磁铁,翻带一端安装于内页或外页；将外页与内页的外表面贴合,将包边翻折并粘贴于内页的内表面；C、书芯、封面套合：将内页的中缝处涂上胶水后与配页好的书芯套合。本申请达到生产不易自动回翻、能降低阅读疲劳的书籍的效果。(The application relates to a book and periodical printing production process, which comprises the following steps: A. making a book block: printing the book content on paper; folding the printed paper into a proper size; the folded paper is sequentially combined into a book block; B. cover making: the cover is divided into an outer page and an inner page, the content of the cover is printed on the outer surface of the outer page, and the edge of the cover is cut to form a covered edge; attaching a magnet to the outer surface of the inner leaf; preparing an elastic band, wherein two ends of the elastic band are adhered to the outer surface of the inner page and the elastic band is wound around the inner surface of the inner page; a press buckle capable of clamping the elastic belt is provided, and the inner page is pressed and clamped; preparing a turning belt, wherein the surface of the turning belt is provided with a magnet, and one end of the turning belt is arranged on the inner page or the outer page; attaching the outer page to the outer surface of the inner page, and folding and adhering the edge to the inner surface of the inner page; C. sheathing the book block and the cover: and coating glue on the center seam of the inner page and then sleeving the inner page with the assembled book block. The book reading device has the advantages that the effect of producing books which are not easy to automatically turn back and can reduce reading fatigue is achieved.)

1. A production process for printing books and periodicals is characterized in that: the method comprises the following steps: A. the book block (102) is manufactured: printing the book content on paper; folding the printed paper into a proper size; the folded paper sheets are sequentially combined into a book block (102); B. making a cover (101): the cover (101) is divided into an outer page (1) and an inner page (2), the content of the cover (101) is printed on the outer surface of the outer page (1) and cut at the edge to form a covered edge (12); cutting the side edge of the inner page (2) into a side groove (21), and attaching a magnet (3) to the outer surface of the inner page (2); preparing an elastic belt (7), adhering two ends of the elastic belt (7) to the outer surface of the inner leaf (2) and enabling the elastic belt (7) to pass around the inner surface of the inner leaf (2); a press buckle (8) with a U-shaped groove (84) is provided, the press buckle (8) is embedded through a side groove (21) and clamps the inner page (2) and the elastic belt (7); a turning belt (4) is prepared, a magnet (3) is arranged on the surface of the turning belt (4), and one end of the turning belt (4) is arranged on the inner leaf (2) or the outer leaf (1); the outer page (1) is attached to the outer surface of the inner page (2), and the covered edge (12) is turned over and attached to the inner surface of the inner page (2); C. the book block (102) and the cover (101) are nested: the middle seam of the inner page (2) is coated with glue and then sleeved with the assembled book block (102).

2. The book and periodical printing production process according to claim 1, wherein: the press buckle (8) comprises a seat plate (81), a transition part (82) and a cantilever (83), the cantilever (83) is spaced from the seat plate (81), and the transition part (82) is connected with the cantilever (83) and the seat plate (81); when the cover (101) is formed, the seat plate (81) is positioned between the inner sheet (2) and the outer sheet (1).

3. The book and periodical printing production process according to claim 2, wherein: the transition part (82) is connected to the middle part of the seat plate (81), and the edge covering (12) covers the part, located on the side groove (21), of the seat plate (81); before the covering of the edge covering (12), the edge covering (12) is glued, and the side groove (21) is filled with viscose glue.

4. The book and periodical printing production process according to claim 2, wherein: the cantilever (83) is in a sheet shape, the cantilever (83) comprises a main arm (831) and a sub-arm (832), the main arm (831) is connected with the transition part (82), and the width of the main arm (831) is larger than that of the sub-arm (832); after the inner leaf (2) is cut, the inner leaf (2) needs to be pressed and concaved to form a groove (22); after the press buckle (8) is installed on the inner page (2), the main arm (831) and the sub-arm (832) are both located at the position of the groove (22), the main arm (831) covers the groove (22) in the width direction and is tightly attached to the inner surface of the inner page (2), and the sub-arm (832) is smaller than the groove (22) in width and falls into the area where the groove (22) is located.

5. The book and periodical printing production process according to claim 4, wherein: the main arm (831) comprises a curved part (8311) which is curved to the surface far away from the inner page (2) and a flat part (8312) which is attached to the surface of the inner page (2), and the curved part (8311) is connected with the transition part (82).

6. The book and periodical printing production process according to claim 1, wherein: the elastic belt (7) bypasses two opposite side edges along the front cover (101).

7. The book and periodical printing production process according to claim 1, wherein: the elastic belt (7) bypasses two adjacent side edges of the cover (101).

8. The book and periodical printing production process according to claim 1, wherein: the cutting of the edge covering (12) adopts a blanking mode, and when the edge covering (12) is cut out, the area which is defined by the edge covering (12) and needs to be indented is indented to form a concave part (15), and a through groove (16) is punched on the outer page (1); the inner page (2) is also cut into a through groove (16) at the same time of cutting the side groove (21); after the outer page (1) and the inner page (2) are attached, the through groove (16) of the inner page (2) corresponds to the through groove (16) of the outer page (1); when the edge cover (12) is turned over, the concave part (15) of the edge cover (12) is embedded into a through groove (16) formed by the inner leaf (2) and the outer leaf (1); the novel decorative paper is provided with a first decorative piece (5) and a second decorative piece (6), wherein the first decorative piece (5) is provided with a protruding structure (51) and a screw hole (52) penetrating through the protruding structure (51), the protruding structure (51) of the first decorative piece (5) is embedded into the penetrating groove (16) during installation, the body of the first decorative piece (5) is pressed on the outer surface of the outer page (1), the turning belt (4) is pressed into the concave surface area of the concave part (15) by the second decorative piece (6), the second decorative piece (6) is provided with a through hole (61) corresponding to the screw hole (52) of the first decorative piece (5), and then the turning belt (4), the first decorative piece (5) and the second decorative piece (6) are connected and fastened with the screw hole (52) through screws penetrating through the through hole (61) in a.

9. The book and periodical printing production process according to claim 8, wherein: when the turning belt (4) is installed, one end of the turning belt (4) is pasted on the inner surface of the inner page (2), then the inner surface enters the drying equipment, after glue of the front cover (101) is completely solidified, the turning belt (4) penetrates through the interval between the elastic belt (7) and the inner page (2), and then the first decorating part (5) and the second decorating part (6) are fixed.

10. The book and periodical printing production process according to claim 1, wherein: the outer page (1) comprises a leather layer (13) located on the outer side and a cushion layer (14) located on the inner side, wherein the cushion layer (14) is broken at the crease of the binding edge (12), the inner page (2) comprises a paperboard layer (23) located on the inner side and a PVC sheet layer (24) located on the outer side, the PVC sheet layer (24) is broken at the crease of the center seam, and the paperboard layer (23) at the center seam is bonded with the cushion layer (14).

Technical Field

The application relates to the field of book production, in particular to a book and periodical printing production process.

Background

With the development of society, people are increasingly pursuing material culture and spiritual culture, and collection and reading of books are also developing to high-grade. People not only need the novelty and high quality of book contents, but also need the book to have an attractive, neat, high-grade and hardcover appearance, so that the requirements of reading or collecting of people at different levels can be met.

The forming of books generally comprises the following steps: A. making a book block: printing the book content on paper; folding the printed paper into a proper size; the folded paper is sequentially combined into a book block; B. cover making: printing the contents of the cover on a sheet of paper; cutting the printed paper into a plurality of covers; C. sheathing the book block and the cover: and coating glue on the center seam of the front cover, and then sleeving the front cover and the gathered book block to obtain the finished book.

Due to the needs of convenience and beauty of book usage, further adjustment in process is often made according to personalized products.

In view of the above-mentioned related technologies, the inventor believes that when a reader reads a book produced by using the production process, the book block is integrally adhered to the center seam of the cover and is bound by the center seam of the cover, the book tends to turn back after being turned open, and particularly when the reader is in a reading environment lacking a desktop carrier, the reader needs to support the book by hands and prevent the book from turning back, and needs to turn the book along with the viewing of one page, which is very inconvenient.

Disclosure of Invention

In order to produce books which are not easy to automatically turn over, the application provides a book and periodical printing production process.

The book and periodical printing production process provided by the application adopts the following technical scheme:

a production process for printing books and periodicals comprises the following steps: A. making a book block: printing the book content on paper; folding the printed paper into a proper size; the folded paper is sequentially combined into a book block; B. cover making: the cover is divided into an outer page and an inner page, the content of the cover is printed on the outer surface of the outer page, and the edge of the cover is cut to form a covered edge; cutting the side edge of the inner page into a side groove, and attaching a magnet to the outer surface of the inner page; preparing an elastic band, wherein two ends of the elastic band are adhered to the outer surface of the inner page and the elastic band is wound around the inner surface of the inner page; a pressing buckle with a U-shaped groove is prepared and is embedded through the side groove and clamps the inner leaf elastic belt; preparing a turning belt, wherein the surface of the turning belt is provided with a magnet, and one end of the turning belt is arranged on the inner page or the outer page; attaching the outer page to the outer surface of the inner page, and folding and adhering the edge to the inner surface of the inner page; C. sheathing the book block and the cover: and coating glue on the center seam of the inner page and then sleeving the inner page with the assembled book block.

By adopting the technical scheme, the cover adopts a double-layer forming mode, so that the magnets are conveniently distributed according to the actual specification of the formed book pages, and the magnets can be hidden in the interlayer of the cover, so that the attractiveness of the inner side and the outer side of the cover is kept; the side grooves enable the position of the pressing buckle not to be limited by the side edges, the pressing buckle can be adjusted to the area through which the elastic belt passes, the mode of flanging and wrapping can enable the inner layer and the outer layer to be limited in mutual deviation after double-layer compounding is finished, even if alignment errors exist between the inner page and the outer page in the process, the alignment errors can be compensated through covering of the edge, and the defective rate is effectively reduced; when a reader reads the book formed by the process, the read pages can be bound with the cover through the elastic belt, and if the number of the read pages is small, the tension degree can be improved in a mode that the elastic belt bypasses the U-shaped groove of the pressing buckle; the cover can be fixed with the cover magnet on the end page of the book through the turning belt to keep the opened state, so that the force for pressing the pages by hands to keep the opened state under the handheld state is eliminated or reduced, the operation is convenient, and the book is not easy to fatigue.

Optionally, the press buckle comprises a seat plate, a transition part and a cantilever, the cantilever and the seat plate are spaced, and the transition part is connected with the cantilever and the seat plate; when the cover is formed, the seat plate is positioned between the inner sheet and the outer sheet.

Through adopting above-mentioned technical scheme, the part that the actual confession elastic band embedding of U-shaped groove is formed by the common of cantilever and interior page or leaf, makes the elastic band can follow the smooth embedding U-shaped groove in the surface of interior page or leaf, makes more smoothly and has reduced the interval of cantilever and interior page or leaf surface.

Optionally, the transition part is connected to the middle part of the seat plate, and the covered edge covers the part of the seat plate, which is located in the side groove; before covering the edge covering, gluing the edge covering, and filling the side groove with glue.

Through adopting above-mentioned technical scheme, the effort that the elastic webbing was buckled to the pressure can be offset by the combined action of interior page or leaf, outer page or leaf, bordure, reduces the deflection moment of torsion that the unilateral received, and the structure is more stable.

Optionally, the cantilever is in a shape of a sheet and includes a main arm and a sub-arm, the main arm is connected to the transition part, and the width of the main arm is greater than that of the sub-arm; after the inner page is cut, the inner page needs to be pressed and concaved to form a groove; after the press buckle is installed on the inner page, the main arm and the sub-arm are both located at the position of the groove, the main arm covers the groove in the width direction and clings to the inner surface of the inner page, and the width of the sub-arm is smaller than that of the groove and falls into the area where the groove is located.

By adopting the technical scheme, the cantilever can be attached to the surface of the inner page, the unevenness of the inner side of the inner page in the use process is reduced, the page and the cover can be better attached, the cantilever is not easy to be pressed and bent, meanwhile, the cantilever still keeps the convenience of winding the elastic belt, and when the book cover is used, the elastic belt can be slightly bent, and then the cantilever is sleeved into the sub-arm along the groove and then reaches the main arm; after loading, the main arm can also press the elastic band on the surface of the inner page, so that the elastic band is not easy to separate in the using process.

Optionally, the main arm comprises a curved part which is curved to the surface far away from the inner page and a flat part which is attached to the surface of the inner page, and the curved part is connected with the transition part.

Through adopting above-mentioned technical scheme, when using, only need press the flexion, the tie point that the flat portion just will use flexion and flat portion rises and sticks up as the fulcrum, can make between more convenient embedding cantilever of elastic webbing and the interior page or leaf to after the embedding, because the concave surface restriction of flexion, the elastic webbing is difficult to break away from more.

Optionally, the elastic band is wrapped around two opposing sides along the cover.

Through adopting above-mentioned technical scheme, to the page number than many, or the great condition of paper resilience force, this kind of mode can be to a whole page of page carry out the binder, and the effect of preventing turning back is better.

Optionally, the elastic band is wound around two adjacent sides of the cover.

By adopting the technical scheme, the corner binding sleeve mode with smaller coverage area can be used under the conditions that the page number is less or the resilience force of paper is not very large, and the binding sleeve area of the read page embedded elastic band can be more easily operated by the mode.

Optionally, the cutting of the covered edge adopts a blanking mode, and when the covered edge is cut out, the area of the covered edge, which is defined to be dented, is dented to form a concave part, and a through groove is punched on the outer page; the inner page is also cut into a through groove while cutting the side groove; after the outer page and the inner page are jointed, the through groove of the inner page corresponds to the through groove of the outer page; when the edge is turned over, the concave part of the edge is embedded into a through groove formed by the inner page and the outer page; be equipped with first decoration and second decoration, first decoration possesses protruding structure and the screw that pierces through protruding structure, during the installation, wear the groove with the protruding structure embedding of first decoration, the body of first decoration is pressed in the surface of outer page or leaf, the second decoration will turn over the part of area or the concave surface region of recess of impressing entirely, the second decoration possesses the through-hole corresponding with the screw of first decoration, later pass through-hole and screw threaded connection fastening turn over area, first decoration and second decoration through the screw.

By adopting the technical scheme, the turned belt has a cushion layer only by adopting the indentation on the edge, the shearing force generated by the pressure of the second decorating part on the turned belt is reduced, the extrusion of the second decorating part on the edge is softer, the effect of pressing the edge and the turned belt at the corresponding position is achieved, and the effect of breakage is not easy to generate; meanwhile, the second decorating part can be hidden in the concave surface of the concave part as much as possible, and the foreign body sensation of the inner surface of the molded cover is reduced. In the assembling process, the concave part and the through groove can also form positioning, so that the consistency of the folded edge is higher; and the protruding structure of first decoration can prolong the screw thread route on the one hand, provides the basis for threaded connection, and on the other hand can strengthen the position to first decoration and prescribe a limit to, makes first decoration and second decoration all be difficult for the off tracking to gain better clamping effect, make the turn over the area and possess sufficient tensile strength.

Optionally, when the turning belt is installed, one end of the turning belt is pasted on the inner surface of the inner page, then the turning belt enters the drying equipment, after glue on the front cover is completely solidified, the turning belt penetrates through the interval between the elastic belt and the inner page, and then the first decorating part and the second decorating part are fixed.

Through adopting above-mentioned technical scheme, can avoid before the viscose is not solidified completely yet, lead to the elastic webbing and bordure to produce to shift and not hard up because of moving the elastic webbing to guarantee the firmness of elastic webbing from the process.

Optionally, the outer page includes the cortex layer that is located the outside and is located the cushion layer of inboard, and wherein the cushion layer is broken in the crease department of borduring, the inner page includes the cardboard layer that is located the inboard and the PVC lamella that is located the outside, and wherein the PVC lamella is broken in the crease department of centre joint, and the cardboard layer and the cushion layer of centre joint department bond.

By adopting the technical scheme, the leather layer has certain ductility and a higher friction coefficient, and the soft cushion layer has elasticity, so that on one hand, a space for embedding the magnets can be naturally formed when the outer page and the inner page are attached, on the other hand, when the magnet at the corresponding position of the turning belt and the cover is butted, the surface of the cover can be sunken to form a concave surface, and the turning belt is not easy to be separated from the magnetic attraction position by combining with the higher friction coefficient of the leather layer, so that higher tensile strength can be easily obtained; the PVC sheet layer can obtain certain hardness with a thinner thickness, so that the buckle is not easy to distort when stressed, the flexibility of the inner page is provided by the paperboard layer, and the cushion layer can provide flexible support for overturning of the paperboard layer after the paperboard layer is bonded with the cushion layer, so that the paperboard layer is not easy to break, or can be normally used even if the paperboard layer is broken; the soft cushion layer is broken at the edge covering position, so that the elastic acting force of the soft cushion at the large-angle bending position on the leather layer can be reduced, the stress concentration is reduced, and the possibility of breaking the leather layer at the edge covering crease position can be reduced.

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

1. the cover adopts a double-layer forming mode, magnets are conveniently distributed according to the actual specification of the formed book pages, and the magnets can be hidden in an interlayer of the cover, so that the attractiveness of the inner side and the outer side of the cover is kept; when a reader reads the book formed by the process, the read pages can be bound with the cover through the elastic belt, and if the number of the read pages is small, the tension degree can be improved in a mode that the elastic belt bypasses the U-shaped groove of the pressing buckle; the cover can be fixed with the cover magnet on the end page of the book through the turning belt to keep the opened state, so that the force for pressing the pages by hands to keep the opened state under the handheld state is eliminated or reduced, the operation is convenient, and the book is not easy to fatigue.

2. The curved and flat combined structure design of the press buckle cantilever enables the elastic belt to be more conveniently embedded between the cantilever and the inner page, and after the elastic belt is embedded, the elastic belt is not easy to separate due to the limitation of the concave surface of the bending part.

3. The structural design of the cortex of outer page or leaf combination cushion can form the space that supplies the magnet gomphosis naturally in the time of laminating with interior page or leaf on the one hand, and on the other hand when turning over the magnet butt joint of taking and front cover corresponding position, the front cover surface will be sunken to form the concave surface, and the higher coefficient of friction of cortex layer of reunion for turn over the area and be difficult for breaking away from magnetism and inhale the position, can obtain great tensile strength more easily.

Drawings

Fig. 1 is a schematic view of the overall structure of the outer sheet and the inner sheet of the present embodiment.

Fig. 2 is a schematic structural diagram of the book and periodical of the embodiment after molding.

Fig. 3 is a sectional view at a-a of fig. 2 of the present embodiment, particularly illustrating a cut-away partial sectional view.

FIG. 4 is a connection structure view of the first garnish and the second garnish of this embodiment.

Fig. 5 is a structural view of the press button of the present embodiment.

Description of reference numerals: 1. an outer page; 11. a cover body; 12. edge covering; 13. a cortex layer; 14. a soft cushion layer; 15. a recess; 16. penetrating a groove;

2. an inner page; 21. a side groove; 22. a groove; 23. a paperboard layer; 24. a PVC sheet layer;

3. a magnet;

4. turning the belt;

5. a first trim piece; 51. a raised structure; 52. a screw hole;

6. a second decorative piece; 61. a through hole;

7. an elastic band;

8. pressing and buckling; 81. a seat plate; 82. a transition section; 83. a cantilever; 831. a main arm; 8311. a bending section; 8312. a flat portion; 832. a sub-arm; 84. a U-shaped groove;

101. a cover; 102. a book block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a production process for book and periodical printing. Referring to fig. 1 and 2, the book printing production process produces a book including a cover 101 and a book block 102, the book block 102 is adhered to a center seam of the cover 101, the center seam is used as a boundary, and the cover 101 can be divided into a front page and a rear page in azimuth.

The layer of front cover 101 constitutes including outer page 1 and interior page 2, and outer page 1 includes outer page body 11 and bordure 12, and interior page 2 laminates in the inboard surface of outer page body 11, and bordure 12 turns over the edge of bypassing interior page 2 and laminates in the inboard surface of interior page 2. The inside and outside orientations of the outer sheet 1, the inner sheet 2, and the cover 101 are determined with reference to the book block 102 in the closed state, and the side facing the book block 102 is the inside.

Referring to fig. 2 and 3, the outer sheet 1 includes a leather layer 13 on the outer side and a cushion layer 14 on the inner side, and only the inner and outer sides of the portion of the covered edge 12 here are exemplified in a state of being coplanar with the outer sheet body 11 after being unfolded, wherein the cushion layer 14 is broken at the fold of the covered edge 12. The inner sheet 2 comprises a cardboard layer 23 on the inside and a PVC sheet 24 on the outside, wherein the PVC sheet 24 is broken at the crease of the centre seam and the cardboard layer 23 at the centre seam is glued to the cushion layer 14.

The magnet 3 is adhered to a plurality of positions between the inner leaf 2 and the outer leaf 1, the magnet 3 can be in a sheet shape or a block shape, and the soft cushion layer 14 and the magnet 3 are pressed and concave and are adhered to the surface of the magnet 3. The inner side surface of the inner sheet 2 at the front page position of the cover 101 is adhered with a flap tape 4, and a magnet 3 is also mounted on the surface of the flap tape 4. The turning belt 4 may pass around the front page of the cover 101 to the outer side surface of the rear page of the cover 101, and the magnet 3 of the turning belt 4 may be bonded to the magnet 3 at a proper position of the rear page of the cover 101, thereby maintaining the front page of the cover 101 in an opened state. It should be noted that the tape 4 can be adhered to the outer sheet 1 according to actual requirements, and this embodiment will not be described in detail.

The cover edge 12 is provided with a concave portion 15 at a position where the inner surface of the cover flap 4 abutting the front cover 101 is straightened, and the concave portion 15 is projected toward the inner sheet 2 and forms a concave surface inside the cover edge 12. The corresponding positions of the outer leaf 1 and the inner leaf 2 are commonly penetrated with a through groove 16 for the concave part 15 to be embedded.

Referring to fig. 3 and 4, in order to enhance the fixing, the first decoration 5 and the second decoration 6 are respectively installed on the inner side and the outer side of the cover 101, the first decoration 5 has a protrusion structure 51 and a screw hole 52 penetrating through the protrusion structure 51, wherein the protrusion structure 51 of the first decoration 5 is embedded in the through groove 16, and the body of the first decoration 5 is pressed on the surface of the outer page 1. The second garnish 6 presses part or all of the flap 4 into the recessed surface region of the recessed portion 15, and the second garnish 6 has a through hole 61 corresponding to the screw hole 52 of the first garnish 5, and in this embodiment, the flap 4, the first garnish 5, and the second garnish 6 are fastened by screwing a screw through the through hole 61 and the screw hole 52.

Referring to fig. 2, an elastic band 7 is installed on the inner side of the cover 101, two ends of the elastic band 7 are adhered between the inner sheet 2 and the outer sheet body 11 and pass through the space between the inner sheet 2 and the binding 12, the connection state of the elastic band 7 can be around the two opposite sides of the inner sheet 2, or around the two adjacent sides of the inner sheet 2, the former can be bound on one corner of the page of the book core 102, the latter can be bound on the side of the page of the book core 102, the embodiment takes the state of being perpendicular to the straightened turning band 4 and passing around the two opposite sides of the inner sheet 2 as an example. The cover 101 is provided with a plurality of press buttons 8 in the area where the elastic band 7 passes through, and the embodiment takes 4 press buttons 8 as an example.

Referring to fig. 2 and 5, the press buckle 8 includes a seat plate 81, a transition portion 82 and a cantilever 83, the cantilever 83 is spaced from the seat plate 81, the transition portion 82 connects the cantilever 83 and the seat plate 81, the transition portion 82 is connected to the middle of the seat plate 81, and the seat plate 81, the transition portion 82 and the cantilever 83 together form a U-shaped groove 84 for the elastic band 7 to be inserted into.

The seat plate 81 is positioned between the inner leaf 2 and the outer leaf 1, the inner leaf 2 is provided with a side groove 21 cut from the side edge towards the middle seam, so that when the elastic belt 7 is installed, the U-shaped groove 84 can reach the position of the elastic belt 7, and the edge cover 12 covers the part of the seat plate 81 positioned at the side groove 21.

The cantilever 83 is in a sheet shape, the cantilever 83 comprises a main arm 831 and a sub-arm 832, the main arm 831 is connected with the transition part 82, the width of the main arm 831 is larger than that of the sub-arm 832, and the outer edges of the main arm 831 and the sub-arm 832 are in smooth transition; the inner sheet 2 is provided with a recess 22 at a position where the cantilever 83 is located, and the main arm 831 covers the recess 22 in the width direction and is closely attached to the inner surface of the inner sheet 2. The sub-arm 832 is smaller in width than the groove 22 and falls entirely within the confines of the groove 22.

The main arm 831 includes a curved portion 8311 curved away from the surface of the inner sheet 2 and a flat portion 8312 conforming to the surface of the inner sheet 2, the curved portion 8311 being connected to the transition portion 82. When the elastic band is used, the sub-arm 832 can be warped only by pressing the bending part 8311, so that the elastic band 7 can be embedded conveniently. The elastic band 7 can be wound on two adjacent press buckles 8 once or for multiple times to adjust the tightness of the bound pages.

When a reader reads the book formed by the process, the read pages can be bound with the cover 101 through the elastic belt 7, and if the read pages are few, the tension degree can be improved in a mode that the elastic belt 7 bypasses the U-shaped groove 84 of the pressing buckle 8; the cover 101 can be fixed with the cover 101 positioned on the end page of the book through the turning belt 4 in a magnetic attraction manner, so that the state of continuously keeping the book open is achieved, the book and the periodical open is not required to be additionally and labouriously kept, and the book and the periodical open device is convenient to operate and not easy to fatigue.

The production process for printing books and periodicals comprises the following steps:

A. manufacturing a book block 102: printing the book content on paper; folding the printed paper into a proper size; the folded sheets are sequentially assembled into a book block 102.

B. Manufacturing a cover 101: the cover 101 is manufactured by the following steps:

and step S1, printing the content of the cover 101 on the outer surface of the outer page 1, and cutting the edge to form a covered edge 12 and a through groove 16, wherein the covered edge 12 and the through groove 16 are cut by punching. The area to be indented defined by the edge cover 12 is indented to form the concave portion 15 while cutting out the edge cover 12.

Step S2, cutting out the side groove 21 and the penetrating groove 16 on the inner page 2, and indenting the inner page 2 to form a groove 22; then, a magnet 3 is stuck on the outer surface of the inner leaf 2;

preparing an elastic band 7, adhering two ends of the elastic band 7 to the outer surface of the inner leaf 2 and enabling the elastic band 7 to pass around the inner surface of the inner leaf 2;

preparing a pressing buckle 8, embedding the pressing buckle 8 through a side groove 21 and clamping the inner page 2, wherein the main arm 831 and the sub-arm 832 are positioned at the position of the groove 22, the main arm 831 covers the groove 22 in the width direction and is tightly attached to the inner surface of the inner page 2, and the sub-arm 832 falls into the area of the groove 22;

a flap tape 4 is provided, and one end of the flap tape 4 is stuck to the inner surface of the inner sheet 2.

In step S3, the outer sheet 1 is attached to the outer surface of the inner sheet 2, and the through-groove 16 of the inner sheet 2 corresponds to the through-groove 16 of the outer sheet 1. Then, the edge cover 12 is turned over and adhered to the inner surface of the inner leaf 2, and the edge cover 12 covers the part of the seat plate 81, which is positioned in the side groove 21; before the covering of the edge covering 12, the edge covering 12 is glued, and the side groove 21 is filled with glue. When the edge cover 12 is folded, the concave part 15 of the edge cover 12 is embedded into a through groove 16 formed by the inner page 2 and the outer page 1. And then the cover enters a drying device, and after the glue of the cover 101 is completely solidified, the turning belt 4 passes through the interval between the elastic belt 7 and the inner page 2.

A first decoration 5 and a second decoration 6 are provided, the convex structure 51 of the first decoration 5 is inserted into the through groove 16, the body of the first decoration 5 is pressed against the surface of the outer leaf 1, and the second decoration 6 presses the turning belt 4 into the concave area of the concave portion 15. After passing through the through hole 61 of the second decorative member 6 and the flap 4, the screw is screwed with the screw hole 52 of the first decorative member 5, and the flap 4, the first decorative member 5 and the second decorative member 6 are fastened.

C. The book block 102 and the cover 101 are combined: the center seam of the inner page 2 is coated with glue and then sleeved with the assembled book block 102.

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.