CN213412169U

CN213412169U - Paper cutting device of saddle stitching machine

Info

Publication number: CN213412169U
Application number: CN202022260729.6U
Authority: CN
Inventors: 肖光磊; 萧强; 陶惠汝; 侯长建; 肖发礼
Original assignee: Shandong Hengxin Color Printing Co ltd
Current assignee: Shandong Hengxin Color Printing Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-11
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to a saddle-stitching machine paper cutting device, relate to the field of printing binding equipment, which comprises a frame, paper cutting mechanism and nipper, paper cutting mechanism includes first cylinder and cutter, the cylinder body fixed connection of first cylinder is in the frame, cutter fixed connection is on the piston rod of first cylinder, set up the cutter groove that supplies the cutter to pass in the frame, still be provided with first conveying mechanism and the second conveying mechanism that is used for carrying books in the frame, first conveying mechanism sets up the both sides in cutter groove respectively with second conveying mechanism, nipper includes the dancer roll, the dancer roll rotates to be connected in the frame, the dancer roll still sets up the top at second conveying mechanism. This application can make books by the compaction on thickness direction, has reduced the probability that books were raised in self thickness direction, later stretches out the piston rod of first cylinder again, and the cutter alright with the one end of ordering department is kept away from to cutting books, so alright with the regularity of the one end cutting of ordering department is kept away from to improvement books.

Description

Paper cutting device of saddle stitching machine

Technical Field

The application relates to the field of printing and binding equipment, in particular to a paper cutting device of a saddle stitching machine.

Background

The saddle stitching machine is a simple book binding mode, when in processing, the front cover and each book of the book block are matched together to form a book, and after binding and cutting, the book can be formed, and the bound saddle stitching book is exposed on the last crease of the book and periodicals by a nail saw. Since the book block is bound by riding on the stapler during stapling, it is called saddle-stitching. The saddle stitching machine is a relatively common stitching mode for books with a small number of pages, and is widely applied to the advantages of convenience, rapidness, economy, easy reading of stitched books and the like, wherein the cutting of the books and the pages is a key step related to the quality of the books.

At present, a Chinese utility model patent with the announcement date of 2020, 06 and 16 months and the announcement number of CN210757900U provides a paper cutting device of a saddle stitching machine, which comprises a frame, wherein the frame is provided with a conveying device, an adjusting device and a cutting device, the adjusting device comprises a support frame, a screw rod, a nut, a slide rod and a limiting block, the support frame is arranged at one side of the frame, the front side of the support frame is provided with the screw rod, the screw rod is sleeved with the slide rod through the nut thread, and the bottom of the slide rod is provided with the limiting block; the cutting device comprises a cylinder, a cutter and a baffle plate, the cylinder is arranged at the bottom of the support frame, the output end of the cylinder is fixedly connected with the cutter, and the baffle plate is arranged at the bottom of the support frame on the rear side of the cutter. When cutting paper, the adjusting device adjusts the position of the book to align a plurality of sheets of paper, pushes the plurality of sheets of paper to a designated position, and then cuts the paper using the cutter.

In view of the above-mentioned related art, the inventor believes that, since the saddle stitching machine needs to fold the paper in half before stitching, the book is likely to be lifted up in the thickness direction by its own tension during stitching, and after the book is cut, the end of the book away from the stitching position is cut irregularly.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting regularity of one end of a book far away from a binding position, the application provides a paper cutting device of a saddle stitching machine.

The application provides a saddle-stitching machine paper cutting device adopts following technical scheme:

the utility model provides a saddle stitching machine paper cutting device, includes frame, paper cutting mechanism and nipper, the paper cutting mechanism includes first cylinder and cutter, the cylinder body fixed connection of first cylinder is in the frame, cutter fixed connection is in on the piston rod of first cylinder, the confession has been seted up in the frame the cutter groove that the cutter passed, still be provided with first conveying mechanism and the second conveying mechanism that is used for carrying books in the frame, first conveying mechanism with second conveying mechanism sets up respectively the both sides in cutter groove, nipper includes the dancer roll, the dancer roll rotates to be connected in the frame, the dancer roll still sets up the top of second conveying mechanism.

Through adopting above-mentioned technical scheme, before cutting books, first conveying mechanism carries books to second conveying mechanism on, the upper surface and the dancer roll conflict of books this moment, the dancer roll is applyed for books pressure this moment, make books overcome the tension of self, so books alright by the compaction on thickness direction, the probability that books were kicked up in self thickness direction has been reduced, stretch out the piston rod of first cylinder again this moment, the cutter alright with the one end of ordering department is kept away from to cutting books, so alright with the regularity that the one end cutting of ordering department was kept away from to books.

Optionally, the platen press mechanism further comprises a platen press belt, the platen press is arranged in the conveying direction of the second conveying mechanism in a plurality, and the platen press belt is sleeved on the peripheral surface of the platen press.

By adopting the technical scheme, when the books are compressed, the paper pressing belt is in surface contact with the books, the line contact between the paper pressing roller and the books is changed into the surface contact between the paper pressing belt and the books, the flatness of the books is improved, and the cutting uniformity of one end, far away from the binding part, of the books is further improved.

Optionally, the platen press mechanism further comprises a first driving motor, and the first driving motor is in transmission connection with the platen roller.

By adopting the technical scheme, the paper pressing roller and the paper pressing belt have power, and when the second conveying mechanism conveys books, the paper pressing roller and the paper pressing belt drive the books to move, so that the paper pressing belt is not easy to rub the surfaces of the books, the flatness of the surfaces of the books is improved, and the quality of the books is improved; meanwhile, the books are cut in the using state, and the cutting uniformity of one end of each book far away from the binding position is further improved.

Optionally, the nipper still includes the elasticity subassembly, the elasticity subassembly includes nipper frame and first compression spring, nipper frame with the frame slides and is connected, first compression spring's one end with nipper frame butt, first compression spring's the other end with the frame butt, the nipper rotates to be connected on the nipper frame.

Through adopting above-mentioned technical scheme, the dancer roll can take place relative slip with the frame along with the dancer roll frame, and when compressing tightly the books that thickness is thicker, the dancer roll just slides towards the direction of keeping away from second conveying mechanism, reduces the books card and dies the probability between second conveying mechanism and dancer roll, has improved paper cutting device's reliability, has reduced the rejection rate simultaneously.

Optionally, nipper still includes the tensioning subassembly, the tensioning subassembly includes tensioning roller, tensioning frame and second compression spring, the pressure paper belt still cover is established on the outer peripheral face of tensioning roller, the tensioning roller rotates to be connected on the tensioning frame, the tensioning frame slides and connects on the pressure paper roller frame, second compression spring's one end with tensioning frame butt, second compression spring's the other end with press paper roller frame butt.

By adopting the technical scheme, the tensioning assembly always tensions the paper pressing belt to enable the paper pressing belt to be tightly attached to the paper pressing roller, and when the paper pressing roller and the rack slide relatively, the belt is not easy to loosen on the paper pressing roller, so that the probability of falling off of the belt from the paper pressing roller is reduced; meanwhile, the paper pressing belt is always tensioned by the tensioning assembly, so that the paper pressing belt is not easy to rub the surface of the book due to shrinkage, and the quality of the book is improved.

Optionally, the tensioning assembly further comprises a tensioning nut, the tensioning nut is in threaded connection with the platen roller frame, and one end of the second compression spring, which is far away from the tensioning frame, abuts against the tensioning nut.

Through adopting above-mentioned technical scheme, the paper pressing belt can stretch because of fatigue after using a period, and the rotation tensioning nut can adjust the amount of compression of second compression spring this moment, and then makes the paper pressing belt keep the tensioning, has further reduced the probability that the belt drops from the dancer roll.

Optionally, a positioning mechanism for positioning books is further arranged on the rack, the positioning mechanism includes a positioning plate and a second cylinder, a cylinder body of the second cylinder is arranged on the rack, and the positioning plate is fixedly connected to a piston rod of the second cylinder.

By adopting the technical scheme, before the books are cut by the paper cutting mechanism, the piston rod of the second cylinder extends out, the positioning plate is lowered, after the books are conveyed to the second conveying mechanism, the second conveying mechanism continues to convey the books until one end of the book native place binding is abutted against the positioning plate, then one end of the book native place binding away from the book native place binding is cut by taking one end of the book native place binding as a reference, and the cutting regularity of one end of the book away from the binding position is improved.

Optionally, the second cylinder is connected with the frame in a sliding manner along the conveying direction of the second conveying mechanism.

By adopting the technical scheme, when books with different widths are cut, the positioning plate can be adjusted by adjusting the position of the second cylinder on the rack, so that the distance between the positioning plate and the cutter meets the requirement of the width of the books, and the paper cutting device is convenient to adapt to the books with different widths.

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

1. through the arrangement of the paper pressing roller, books can be compacted in the thickness direction, the probability that the books are lifted in the thickness direction is reduced, then the piston rod of the first cylinder is extended out, the cutter can cut one end, far away from the binding position, of the books, and the cutting uniformity of one end, far away from the binding position, of the books can be improved;

2. through the arrangement of the paper pressing belt, when the books are pressed tightly, the paper pressing belt is in contact with the surfaces of the books, the line contact between the paper pressing roller and the books is changed into the line contact between the paper pressing belt and the surfaces of the books, the flatness of the books is improved, and the cutting uniformity of one end, far away from the binding part, of the books is further improved;

3. through the arrangement of the elastic component, the platen roller can slide relative to the rack along with the platen roller frame, and when a thick book is compressed, the platen roller slides towards the direction far away from the second conveying mechanism, so that the probability that the book is clamped between the second conveying mechanism and the platen roller is reduced, the reliability of the paper cutting device is improved, and the rejection rate is reduced;

4. through the arrangement of the positioning plate, after the books are conveyed to the second conveying mechanism, the second conveying mechanism continues to convey the books until one end of the book native place binding is abutted to the positioning plate, and then one end of the book native place binding away from the book native place binding is cut by taking the one end of the book native place binding as a reference, so that the cutting uniformity of one end of the book away from the binding part is improved.

Drawings

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

FIG. 2 is a schematic structural diagram of a first conveying mechanism and a second conveying mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a gantry according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the gantry and the paper cutting mechanism of FIG. 3 shown without the gantry and the paper cutting mechanism;

fig. 5 is a schematic view of the tension assembly from an axial view of the tension roller.

Description of reference numerals: 100. a frame; 110. a cutter slot; 120. a gantry; 200. a first conveying mechanism; 210. a second drive motor; 220. a first belt roller; 230. a first conveyor belt; 300. a second conveying mechanism; 310. a third drive motor; 320. a second belt roller; 330. a second conveyor belt; 400. and a stopping mechanism; 410. a first cylinder; 420. a cutter; 500. a paper pressing mechanism; 510. a platen roller; 520. pressing a paper belt; 530. a first drive motor; 540. an elastic component; 541. a platen roller frame; 542. a first compression spring; 543. a first guide bar; 550. a tension assembly; 551. a tension roller; 552. a tension frame; 553. a second compression spring; 554. a second guide bar; 555. a guide sleeve; 556. tensioning the nut; 600. a positioning mechanism; 610. positioning a plate; 611. a belt groove; 620. a second cylinder; 630. and a lead screw.

Detailed Description

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

The embodiment of the application discloses a paper cutting device of a saddle stitching machine. Referring to fig. 1, the saddle stitching machine paper cutting device includes a frame 100, a first conveying mechanism 200 and a second conveying mechanism 300 for conveying a book, a paper cutting mechanism for cutting edges of the book, and a paper pressing mechanism 500 for pressing the book.

Referring to fig. 1 and 2, a cutter slot 110 is formed in a frame 100, and a first conveying mechanism 200 and a second conveying mechanism 300 are respectively disposed at two sides of the cutter slot 110. The first conveying mechanism 200 includes a second driving motor 210, a first belt roller 220 and a first conveying belt 230, the first belt roller 220 is rotatably connected to the frame 100, and an axial direction of the first belt roller 220 is parallel to a length direction of the cutter slot 110. The first conveying belt 230 is sleeved on the outer circumferential surface of the first belt roller 220, and a plurality of first conveying belts 230 are uniformly arranged in the axial direction of the first belt roller 220. The second driving motor 210 is fixedly connected to the frame 100 by bolts, and the second driving motor 210 is coaxially connected to any one of the first belt rollers 220.

Referring to fig. 2, the second conveying mechanism 300 includes a third driving motor 310, a second belt roller 320 and a second conveying belt 330, the second belt roller 320 is rotatably connected to the frame 100, and an axial direction of the second belt roller 320 is parallel to a length direction of the cutter slot 110. The second conveying belt 330 is sleeved on the outer circumferential surface of the second belt roller 320, and a plurality of second conveying belts 330 are uniformly arranged in the axial direction of the second belt roller 320. The third driving motor 310 is fixedly connected to the frame 100 by bolts, and the third driving motor 310 is coaxially connected to any one of the second belt rollers 320.

Referring to fig. 1 and 3, a gantry 120 is fixedly connected to the frame 100 through bolts, and the gantry 120 covers the second conveying mechanism 300. The paper cutting mechanism is arranged on the portal frame 120 and comprises a first air cylinder 410 and a cutter 420, the cylinder body of the first air cylinder 410 is fixedly connected to the portal frame 120 through a bolt, the cutter 420 is fixedly connected to the piston rod of the first air cylinder 410 through a bolt, and the length direction of the cutter 420 is the same as that of the cutter groove 110. When the piston rod of the first cylinder 410 is extended, the cutter 420 is extended into the cutter groove 110.

Referring to fig. 3 and 4, the platen 500 includes a platen roller 510, a platen belt 520, a first driving motor 530, an elastic member 540, and a tension member 550, wherein the elastic member 540 further includes a platen roller frame 541. The platen rollers 510 are rotatably connected to the platen roller frame 541, and a plurality of platen rollers 510 are uniformly arranged in the conveying direction of the second conveying mechanism 300. The first driving motor 530 is fixedly connected to the platen roller frame 541 by bolts, and the first driving motor 530 is coaxially connected to any one of the platen rollers 510. The platen belts 520 are fitted around the outer circumferential surface of the platen roller 510, and a plurality of platen belts 520 are uniformly arranged in the axial direction of the platen roller 510. The platen belts 520 are aligned with the second conveyor belt 330 one by one, and the platen belts 520 abut against the second conveyor belt 330.

Referring to fig. 3 and 4, the elastic assembly 540 further includes a first compression spring 542 and a first guide rod 543, one end of the first guide rod 543 is screwed to the platen roller frame 541, and the other end of the first guide rod 543 passes through the gantry 120 and is slidably connected to the gantry 120. The first compression spring 542 is sleeved on the first guide rod 543, one end of the first compression spring 542 abuts against the platen roller frame 541, and the other end of the first compression spring 542 abuts against the gantry 120.

When cutting the book, the book is placed on the first conveyor belt 230, and the first conveyor belt 230 conveys the book to the second conveyor belt 330, at this time, the book enters between the second conveyor belt 330 and the paper pressing belt 520. When books get into between second conveyor belt 330 and the pressure paper belt 520, first compression spring 542 just can be compressed, pressure paper belt 520 removes towards the one end of keeping away from second conveyor belt 330, the pressure paper belt 520 just can compress tightly on books this moment, the probability that books were raised in self thickness direction has been reduced, later stretch out the piston rod of first cylinder 410 again, cutter 420 alright with the one end that the department of binding was kept away from to the cutting books, so alright with the regularity that the one end cutting of the department of binding was kept away from to books. Since the paper pressing belt 520 is sleeved on the paper pressing roller 510, the line contact between the paper pressing roller 510 and the book is changed into the line contact between the paper pressing belt 520 and the surface of the book, the flatness of the book is improved, and the cutting uniformity of one end of the book far away from the binding position is further improved.

Referring to fig. 2 and 4, the rack 100 is further provided with a positioning mechanism 600 for positioning books, the positioning mechanism 600 includes a positioning plate 610, a second cylinder 620 and a screw 630, and a cylinder body of the second cylinder 620 is slidably connected to the gantry 120 along the conveying direction of the second conveying mechanism 300. The axial direction of the screw 630 is parallel to the sliding direction of the second cylinder 620, the screw 630 is rotatably connected to the gantry 120, and the cylinder body of the second cylinder 620 is in threaded connection with the screw 630. The positioning plate 610 is fixedly connected to the piston rod of the second cylinder 620 through a bolt, and the positioning plate 610 is perpendicular to the conveying direction of the second conveying mechanism 300. One end of the positioning plate 610 close to the second conveying mechanism 300 is further provided with a belt groove 611, the belt grooves 611 correspond to the second conveying belts 330 one to one, when the piston rod of the second cylinder 620 extends out, the positioning plate 610 abuts against the rack 100, and the second conveying belts 330 pass through the belt grooves 611.

Referring to fig. 3 and 4, before the book is cut, the book is conveyed to the second conveying belt 330, at this time, the piston rod of the second air cylinder 620 extends, the second conveying belt 330 drives the book to move until the book binding place abuts against the positioning plate 610, and then the piston rod of the first air cylinder 410 extends to cut the book. When the books are cut, one end of the book binding place is used as a cutting reference, and the cutting uniformity of one end of the books far away from the binding place is improved. When books with different widths are cut, the position of the second cylinder 620 on the rack 100 can be adjusted by rotating the lead screw 630, and the distance between the positioning plate 610 and the cutter 420 is adjusted today, so that the distance between the positioning plate 610 and the cutter 420 meets the requirement of the width of the books, and the paper cutting device is convenient to adapt to the books with different widths.

Referring to fig. 4 and 5, the tension assembly 550 includes a tension roller 551, a tension frame 552, a second compression spring 553, a second guide rod 554, a guide sleeve 555, and a tension nut 556. Wherein the tensioning roller 551 is rotatably connected to the tensioning frame 552, the axis of the tensioning roller 551 is parallel to the axis of the platen roller 510, and the platen belt 520 is further sleeved on the outer peripheral surface of the tensioning roller 551. The second guide rod 554 is screwed on one end face of the tension frame 552 close to the platen roller frame 541, the guide sleeve 555 is welded or screwed on one end of the platen roller frame 541 close to the tension frame 552, the second guide rod 554 is arranged in the guide sleeve 555 in a penetrating way, and the second guide rod 554 and the tension frame 552 are connected with the platen roller frame 541 in a sliding way along the axial direction of the second guide rod 554. The tensioning nut 556 is in threaded connection with the outer peripheral surface of the guide sleeve 555, the second compression spring 553 is sleeved on the outer peripheral surface of the guide sleeve 555, one end of the second compression spring 553 is abutted with the tensioning frame 552, and the other end of the second compression spring 553 is abutted with the tensioning nut 556.

Referring to fig. 4 and 5, the tension roller 551 constantly tensions the platen belt 520 by the second compression spring 553, and the platen belt 520 is brought into close contact with the platen roller 510. When the platen roller 510 and the frame 100 slide relatively, the belt is not easy to loosen on the platen roller 510, and the probability that the belt falls off from the platen roller 510 is reduced; meanwhile, the paper pressing belt 520 is always tensioned by the tensioning assembly 550, so that the paper pressing belt 520 is not easy to rub the surface of the book due to contraction, and the quality of the book is improved. The paper pressing belt 520 is easily fatigued and elongated after a certain period of time, and the compression amount of the second compression spring 553 can be adjusted by rotating the tension nut 556, so that the paper pressing belt 520 is always kept in a tensioned state.

The implementation principle of the paper cutting device of the saddle stitching machine in the embodiment of the application is as follows:

before cutting the book, the piston rod of the second cylinder 620 is extended to enable the positioning plate 610 to abut against the bracket, then the first conveying mechanism 200 conveys the book to the second conveying mechanism 300, under the combined action of the second conveying belt 330 and the paper pressing belt 520, the book is clamped between the second conveying belt 330 and the paper pressing belt 520, and the paper pressing belt 520 can enable the book to be compacted in the thickness direction; then, under the conveying action of the second conveying belt 330 and the paper pressing belt 520, the book binding part is abutted against the positioning plate 610, and when the book is cut, one end of the book binding is used as a cutting reference, so that the cutting regularity of one end of the book far away from the binding part is improved; and when cutting out the books of the different width, rotate the position that the lead screw 630 can adjust the second cylinder 620 on frame 100, adjust the interval between locating plate 610 and the cutter 420 today, make the distance of locating plate 610 and cutter 420 accord with the requirement of book width, make the paper cutting device be convenient for adapt to the books of different width, because press paper belt 520 can make books by the compaction in the thickness direction, the probability that books were raised in self thickness direction has been reduced, later stretch out the piston rod of first cylinder 410 again, cutter 420 alright with the one end that the department of binding was kept away from to the cutting books, so alright improve the regularity that the one end cutting of the department of binding was kept away from to books.

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. A paper cutting device of a saddle stitching machine is characterized in that: comprises a frame (100), a paper cutting mechanism and a paper pressing mechanism (500), wherein the paper cutting mechanism comprises a first air cylinder (410) and a cutter (420), the cylinder body of the first air cylinder (410) is fixedly connected to the frame (100), the cutter (420) is fixedly connected to the piston rod of the first air cylinder (410), a cutter groove (110) for the cutter (420) to pass through is arranged on the frame (100), the frame (100) is also provided with a first conveying mechanism (200) and a second conveying mechanism (300) for conveying books, the first conveying mechanism (200) and the second conveying mechanism (300) are respectively arranged at two sides of the cutter groove (110), the paper pressing mechanism (500) comprises a paper pressing roller (510), the paper pressing roller (510) is rotationally connected to the rack (100), the platen roller (510) is also disposed above the second conveying mechanism (300).

2. The saddle stitching machine cutter as claimed in claim 1, wherein: the paper pressing mechanism (500) further comprises a paper pressing belt (520), the paper pressing roller (510) is arranged on the conveying direction of the second conveying mechanism (300) in a plurality of modes, and the paper pressing belt (520) is sleeved on the outer peripheral surface of the paper pressing roller (510).

3. The saddle stitching machine cutter as claimed in claim 2, wherein: the paper pressing mechanism (500) further comprises a first driving motor (530), and the first driving motor (530) is in transmission connection with the paper pressing roller (510).

4. The saddle stitching machine cutter as claimed in claim 3, wherein: the nipper constructs (500) and still includes elasticity subassembly (540), elasticity subassembly (540) are including nipper roller frame (541) and first compression spring (542), nipper roller frame (541) with frame (100) slide and are connected, the one end of first compression spring (542) with nipper roller frame (541) butt, the other end of first compression spring (542) with frame (100) butt, nipper roller (510) rotate to be connected on nipper roller frame (541).

5. The saddle stitching machine cutter as claimed in claim 4, wherein: nipper constructs (500) still includes tensioning assembly (550), tensioning assembly (550) includes tensioning roller (551), tensioning frame (552) and second compression spring (553), press paper belt (520) still overlap and establish on the outer peripheral face of tensioning roller (551), tensioning roller (551) rotate to be connected on tensioning frame (552), tensioning frame (552) slide to be connected on press paper roll frame (541), the one end of second compression spring (553) with tensioning frame (552) butt, the other end of second compression spring (553) with press paper roll frame (541) butt.

6. The saddle stitching machine cutter as claimed in claim 5, wherein: the tensioning assembly (550) further comprises a tensioning nut (556), the tensioning nut (556) is in threaded connection with the platen roller frame (541), and one end of the second compression spring (553) far away from the tensioning frame (552) abuts against the tensioning nut (556).

7. The saddle-stitching machine cutter according to any one of claims 1 to 6, wherein: still be provided with positioning mechanism (600) that is used for books location on frame (100), positioning mechanism (600) include locating plate (610) and second cylinder (620), the cylinder body setting of second cylinder (620) is in on frame (100), locating plate (610) fixed connection be in on the piston rod of second cylinder (620).

8. The saddle stitching machine cutter as claimed in claim 7, wherein: the second air cylinder (620) is connected with the rack (100) in a sliding mode along the conveying direction of the second conveying mechanism (300).