CN114055545A

CN114055545A - Three-side book trimming machine

Info

Publication number: CN114055545A
Application number: CN202111181802.3A
Authority: CN
Inventors: 张崇誉
Original assignee: Wenzhou Ruiguang Machinery Co ltd
Current assignee: Wenzhou Ruiguang Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-18
Anticipated expiration: 2041-10-11
Also published as: CN114055545B

Abstract

The application relates to a three-side book trimming machine which comprises a rack, wherein a book trimming device is arranged on the rack and comprises a book trimming table, a book trimming knife and a cutter driving piece, wherein the book trimming table is arranged on the rack and used for supporting books, the cutter driving piece is connected to the rack in a sliding mode, the cutter driving piece is used for driving the book trimming knife to ascend and descend, and the book trimming knife is positioned right above the book trimming table; the book feeding device comprises a push plate and a pushing mechanism for driving the push plate to move to and fro towards the book cutting table; the positioning device comprises a positioning block, a first positioning driving piece and a second positioning driving piece, wherein the positioning block is arranged on the rack in a sliding mode, the first positioning driving piece is used for driving the positioning block to horizontally move along the direction vertical to the book feeding direction, and the second positioning driving piece is used for driving the positioning block to horizontally move along the direction parallel to the book feeding direction; when the book is conveyed to the book cutting table, the positioning block is abutted against one side of the book, which is far away from the push plate. This application has the effect that finished product quality is high.

Description

Three-side book trimming machine

Technical Field

The application relates to the technical field of book processing equipment, in particular to a three-side book trimming machine.

Background

The three-side trimmer is a machine for cutting off three sides (i.e. non-glued sides of books) which can be turned over in glued books so as to process the books into specified sizes.

At present, when a three-side book trimming machine on the market works, after a book is fed into a book trimming table positioned right below a book trimming knife, due to factors such as inertia of the book or error touch of an operator, the book is easy to deviate relative to the book trimming knife, so that the quality of a finished product of the cut book is reduced, and improvement is needed.

Disclosure of Invention

In order to improve finished product quality, the application provides a three-side trimmer.

The application provides a three-side book trimming machine adopts following technical scheme:

a three-side book trimming machine comprises a rack, wherein the rack is provided with

The book cutting device comprises a book cutting table, a book cutter and a cutter driving piece, wherein the book cutting table is arranged on the rack and used for supporting a book, the book cutter is connected to the rack in a sliding mode, the cutter driving piece is used for driving the book cutter to lift, and the book cutter is positioned right above the book cutting table;

the book feeding device comprises a push plate and a pushing mechanism for driving the push plate to move to and fro towards the book cutting table;

the positioning device comprises a positioning block, a first positioning driving piece and a second positioning driving piece, wherein the positioning block is arranged on the rack in a sliding mode, the first positioning driving piece is used for driving the positioning block to horizontally move along the direction vertical to the book feeding direction, and the second positioning driving piece is used for driving the positioning block to horizontally move along the direction parallel to the book feeding direction; when the book is conveyed to the book cutting table, the positioning block is abutted against one side of the book, which is far away from the push plate.

Through adopting above-mentioned technical scheme, when cutting books, make the push pedal through advancing mechanism with books propelling movement to cut the book platform before, drive about the locating piece through first location driving piece earlier along the direction horizontal migration that perpendicular to books fed, make the locating piece along the direction horizontal migration that is on a parallel with books fed through second location driving piece, until the locating piece butt is in one side that the push pedal was kept away from to books. The positioning block plays a role in positioning books on the book cutting table, and the books are not easy to slide relative to the book knife under the action of self inertia or external force when pushed to the book cutting table by the push plate, so that the stability of the books is improved, and the quality of finished products of the cut books is guaranteed.

Optionally, first location driving piece is including rotating the location gear that sets up in the frame, the meshing at the location rack of location gear one side, with location rack fixed connection's locating rack and be used for driving the positive reverse pivoted setting element of location gear, the location rack is the feed direction of level setting and length direction perpendicular to books, locating piece connection is on the locating rack.

Through adopting above-mentioned technical scheme, when setting element drive location gear rotated, location rack and locating rack can be followed the direction horizontal migration that perpendicular to books fed, and then drive the locating piece to being close to or keeping away from one side horizontal migration of books. Before cutting the book, driving the positioning block to move towards the book placed on the book cutting table by using the first positioning driving piece so as to position the book by the positioning block; after cutting, the first positioning driving piece is utilized to drive the positioning block to move towards one side far away from the book, so that the cut book can be output.

Optionally, the positioning element includes a first positioning driving helical gear, a first positioning driven helical gear engaged with the first positioning driving helical gear, a first positioning motor for driving the first positioning driving helical gear to rotate, and a synchronous belt for driving the positioning gear to rotate synchronously with the first positioning driven helical gear.

By adopting the technical scheme, when the first positioning motor works, the first positioning driving helical gear rotates, so that the first positioning driven helical gear rotates along with the first positioning driving helical gear. Under the linkage effect of the synchronous belt, the positioning gear can synchronously rotate along with the first positioning driven helical gear, so that the positioning block is driven to horizontally move, and the stability and the position precision of the positioning block during moving are high. The position of the positioning block can be correspondingly adjusted by an operator according to the size of the book so as to adapt to positioning of the books with different sizes, and the practicability is high.

Optionally, the second positioning driving part comprises a second positioning motor installed on the positioning frame, a positioning screw rod connected with an output shaft of the second positioning motor, and a sliding block in threaded connection with the positioning screw rod, the length direction of the positioning screw rod is parallel to the feeding direction of books, and the sliding block is fixedly connected with the positioning block.

By adopting the technical scheme, when the second positioning motor works, the positioning screw rod can synchronously rotate along with the output shaft of the second positioning motor, and then the sliding block and the positioning block are driven to horizontally move along the length direction parallel to the positioning screw rod, so that the structure is simple, and the operation is convenient.

Optionally, the one end that the slider was kept away from to the locating piece is equipped with the inclined plane of stepping down, be connected with in the frame and be used for driving locating rack pivoted third location driving piece, the inclined plane of stepping down can be in the drive of third location driving piece down to vertical state.

Through adopting above-mentioned technical scheme, when cutting books, the inclined plane of stepping down is in the tilt state towards books. After the book is cut, the positioning block is driven to rotate through the third positioning driving piece, so that the abdicating inclined plane is rotated to be in a vertical state, and an abdicating space for moving the book out of the book cutting table is provided. So set up, when the ejection of compact after books cut, need not the horizontal migration locating piece, reduced the removal space of locating piece, help improve equipment's compact structure degree, reduce its occupation space.

Optionally, the positioning frame comprises a first frame body and a second frame body which are connected in a rotating mode, the positioning rack is arranged on the first frame body, the second positioning driving part is arranged on the second frame body, the third positioning driving part comprises a key shaft which is rotatably arranged on the first frame body, a third driving helical gear which is fixedly arranged at the end part of the key shaft and a third driven helical gear which is meshed with the third driving helical gear, and the third driven helical gear is fixedly arranged on the second frame body.

By adopting the technical scheme, when the orientation of the abdicating inclined plane needs to be changed, the key shaft drives the third driving bevel gear to rotate, the third driven bevel gear is stressed to synchronously rotate along with the third driving bevel gear, so that the second frame body drives the positioning frame and the positioning block to rotate relative to the first frame body, and the positioning block is convenient to rotate to a state that the abdicating inclined plane faces to different directions.

Optionally, the cutter driving part includes a cutter driving gear rotatably disposed on the frame, the frame is rotatably connected with a driving cross bar fixedly connected with the cutter driving gear and a first driven cross bar parallel to the driving cross bar, a positioning cam is disposed on a side wall of the driving cross bar, and an extension rod abutted against the positioning cam is fixed on a side wall of the first driven cross bar; a pull rod is rotatably arranged on the key shaft, and a transition rod is rotatably connected between the pull rod and the first driven cross rod.

Through adopting above-mentioned technical scheme, cutter driving piece during operation, the cutter driving gear rotates, and the initiative horizontal pole drives the location cam thereupon and rotates, and the extension rod receives the jacking of cam and can drive first driven horizontal pole and rotate, and first driven horizontal pole can be through transition lever and pull rod with the turning force transmission to the key epaxial to realize the rotation of key axle. The cutter driving piece can provide power for driving the key shaft to rotate during working, the assembly and the use of other power elements are omitted, and the cutter driving piece has the advantages of energy consumption saving and high energy utilization rate.

Optionally, cut the book platform and include the pedestal and slide two butt joints of setting on the pedestal, two be equipped with the exit conveyor who is used for will cutting back books and spread between the butt joint, be provided with the jacking piece that is used for driving exit conveyor to go up and down in the frame, exit conveyor can shift into or shift out between two butt joints under the effect of jacking piece.

Through adopting above-mentioned technical scheme, when cutting books, make exit conveyor immigration between two butt seats through the jacking piece, exit conveyor does not surpass the butt seat this moment, can not influence cutting location of books. After cutting, make exit conveyor shift up through the jacking piece, exit conveyor can with books jack-up to with the butt seat separation, alright utilize exit conveyor to spread books out the frame in order to realize unloading this moment.

Optionally, be provided with the material seat that is used for bearing exit conveyor in the frame, the jacking piece is including the fixed jacking cam that sets up on the initiative horizontal pole, rotate the driven horizontal pole of second and the jacking pole of butt at the jacking cam upside that sets up in the frame, the one end of jacking pole is rotated and is set up on the driven horizontal pole of second, other end butt in the below of material seat.

Through adopting above-mentioned technical scheme, when the initiative horizontal pole rotated along with the cutter driving gear, the jacking cam can rotate thereupon to upwards jack-up the jacking rod, make the jacking rod use its link with the driven horizontal pole of second to rotate as the axle. When the jacking rod rotates upwards, the material seat can be pushed upwards so as to push the discharging conveyor belt out of the abutting seat; when the jacking rod moves downwards, the material seat moves downwards under the action of self gravity to withdraw the discharge conveyor belt between the two abutting seats, so that the linkage is good, and the energy utilization rate is high.

Optionally, the book knife includes a tangent knife and two oppositely disposed side cutters, and the frame is connected with a first adjusting member for driving the two side cutters to move towards a side close to or away from each other.

Through adopting above-mentioned technical scheme, before the cutting process, move to being close to or keeping away from one side each other through first regulating part drive two side cutters, can realize two side cutter's interval regulation to adapt to the not unidimensional books of cutting shaping, the practicality is strong.

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

1. the positioning block plays a role in positioning the book on the book cutting table, so that the book is not easy to slide relative to the book knife under the action of self inertia or external force when being pushed to the book cutting table by the push plate, the stability of the book is high, and the quality of a finished product is good;

2. the jacking piece can be ejecting between two butt joint seats with discharging conveyor belt, conveniently utilizes discharging conveyor belt to shift out the books that finish cutting and send the book platform.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the removed book feeder according to the embodiment of the present application.

Fig. 3 is a schematic structural view of the book feeding device in the embodiment of the present application when the protective cover is removed.

FIG. 4 is a schematic structural diagram of a second side fence and an adjusting assembly in the book feeder of the embodiment of the present application.

FIG. 5 is a schematic view showing a structure of a pushing mechanism in the book feeder according to the embodiment of the present application.

Figure 6 is a partial schematic view highlighting a push-pull assembly in a book feeder according to an embodiment of the present application.

FIG. 7 is a partially schematic view showing a buffering assembly in a book feeding device according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a removing frame and a cutter driving member of the book cutting device according to the embodiment of the present application.

Fig. 9 is a schematic structural view of a side cutter and a first adjusting member in the book cutting device according to the embodiment of the present application.

Fig. 10 is a schematic structural view of a book cutting table and a second adjusting member in the book cutting device according to the embodiment of the present application.

Fig. 11 is a schematic structural view of a pressing frame in the book cutting device according to the embodiment of the present application.

FIG. 12 is a schematic view highlighting the structure of the positioning device, the exit conveyor belt, and the jacking members of the embodiments of the present application.

FIG. 13 is a schematic view showing the structure of the third positioning driving member in the embodiment of the present application.

Description of reference numerals:

1. a frame; 11. a connecting rod; 12. a guide rail; 13. a jacking piece; 131. jacking a cam; 132. a second driven crossbar; 133. a jacking rod; 14. an active crossbar; 15. a first driven crossbar; 151. positioning the cam; 152. an extension rod; 2. a book feeding device; 21. a book shelf is delivered; 211. a protective cover; 212. opening and closing the air cylinder; 22. a bracket; 221. a push-pull assembly; 222. a push-pull motor; 223. pushing and pulling the screw rod; 224. a push-pull block; 225. a push-pull section; 226. a movable portion; 227. a waist-shaped hole; 228. pushing and pulling the bolt; 23. pushing the plate; 231. reinforcing ribs; 24. a pushing mechanism; 241. a pushing cylinder; 242. a pushing block; 25. an alignment mechanism; 251. a base plate; 252. a first side dam; 253. a second side baffle; 254. an alignment plate; 255. a butt joint plate; 256. an alignment area; 26. a belt drive assembly; 261. a drive belt; 262. a power member; 263. a transmission block; 264. a lifting cylinder; 265. a lifting block; 27. an adjustment assembly; 271. adjusting the motor; 272. adjusting the screw rod; 273. an adjusting block; 28. a buffer assembly; 281. a buffer block; 282. a buffer; 29. a moving assembly; 291. a moving motor; 292. a driving gear; 293. a driven gear; 294. moving the screw rod; 3. a book cutting device; 31. a book cutting table; 311. a pedestal; 312. a butting seat; 313. a nylon plate; 32. a book cutter; 321. a positive cutter; 322. a side cutter; 323. an upper tool apron; 324. a lower tool apron; 325. a cutter body; 326. connecting holes; 327. a clamping cylinder; 328. a clamping block; 33. a cutter driving member; 331. a cutter driving gear; 332. a cutter driven gear; 333. a linkage rod; 34. a first adjustment member; 341. a first bidirectional screw; 342. a first driving member; 343. a first drive motor; 344. a first driving bevel gear; 345. a first driven helical gear; 35. a second adjustment member; 351. a second bidirectional screw; 352. a second driving member; 353. a second drive motor; 354. a second driving bevel gear; 355. a second driven helical gear; 36. pressing a frame; 361. a lifting cylinder; 362. pressing a plate; 363. a guide sleeve; 364. a guide wheel; 4. a positioning device; 41. positioning blocks; 411. a abdication inclined plane; 42. a first positioning drive member; 421. positioning a gear; 422. positioning the rack; 423. a positioning frame; 4231. a first frame body; 4232. a second frame body; 424. a positioning member; 4241. a first positioning motor; 4242. a first positioning driving helical gear; 4243. a first positioning driven helical gear; 4244. a synchronous belt; 43. a second positioning drive; 431. a second positioning motor; 432. positioning a screw rod; 433. a slider; 5. a discharge conveyor belt; 51. a material seat; 6. a third positioning drive member; 61. a key shaft; 611. a pull rod; 62. a third driving bevel gear; 63. a third driven helical gear; 7. a transition rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses three-side book trimming machine, referring to fig. 1 and 2, the three-side book trimming machine comprises a rack 1, wherein a book feeding device 2 for conveying books, a book cutting device 3 for cutting the books and a positioning device 4 for positioning the books are arranged on the rack 1. The book cutting device 3 comprises a book cutting table 31 fixedly arranged on the frame 1, the book cutting table 31 is used for supporting a book to be cut, the book feeding device 2 is used for conveying the book to the book cutting table 31, and the positioning device 4 is used for positioning the book on the book cutting table 31.

Referring to fig. 3 and 4, the book feeder includes a book feeder frame 21, a bracket 22 fixedly connected to the book feeder frame 21, a pushing plate 23 slidably mounted on the bracket 22, and a pushing mechanism 24 mounted on the bracket 22, wherein the pushing mechanism 24 is used for driving the pushing plate 23 to reciprocate toward the book cutting table 31. The book feeder 21 is provided with an alignment mechanism 25 for adjusting the position of the books and the alignment of the stacked books.

Referring to fig. 3 and 4, the book shelf 21 is hinged with a protective cover 211, and the protective cover 211 is made of a transparent acrylic plate, so that the book shelf has the advantages of good light transmittance and high strength. A protective shield 211 covers the outside of the holder 22 and the alignment mechanism 25 and serves to protect the human hand. In order to open and close the protective cover 211 conveniently, a plurality of opening and closing cylinders 212 are hinged on the book conveying frame 21, the cylinder barrel of each opening and closing cylinder 212 is hinged on the book conveying frame 21, and the piston rod is hinged on the protective cover 211. When a piston rod of the opening and closing cylinder 212 extends, the protective cover 211 is opened; when the piston rod of the opening and closing cylinder 212 is shortened, the protective cover 211 is closed.

Referring to fig. 3, the aligning mechanism 25 includes a base plate 251 fixedly connected to one side of the bracket 22, a first side guard 252 and a second side guard 253 oppositely disposed above the base plate 251, an aligning plate 254 disposed directly above the base plate 251, and an abutting plate 255 disposed above the bracket 22, an aligning region 256 is defined between the base plate 251, the first side guard 252, the second side guard 253, and the aligning plate 254, and a belt driving assembly 26 for driving the aligning plate 254 to move toward or away from the abutting plate 255 is connected to the book feeding frame 21.

Referring to fig. 3, the belt driving assembly 26 includes a driving belt 261 rotatably disposed on the book shelf 21 and a power member 262 for driving the driving belt 261 to reciprocate, the power member 262 includes a servo motor and two rotating wheels disposed inside the driving belt 261, one of the rotating wheels is fixedly connected with an output shaft of the servo motor, and two ends of the driving belt 261 are respectively tightly sleeved on the outer sides of the two rotating wheels. When the servo motor is operated, the portion of the drive belt 261 adjacent to the alignment area 256 moves toward or away from the side of the abutting plate 255, so that the alignment plate 254 moves synchronously therewith. In order to improve the space utilization, the driving belt 261 and the rotating wheel in this embodiment are disposed in the inner cavity of the first side fence 252.

Referring to fig. 3, a driving block 263 is fixed to one side of the driving belt 261 near the alignment area 256, a lifting cylinder 264 is installed on the driving block 263, a piston rod of the lifting cylinder 264 faces to the lower side and is fixed with a lifting block 265, and the alignment plate 254 is installed on the lifting block 265. The lift cylinder 264 can drive the lift block 265 and the alignment plate 254 to move vertically, thereby changing the spacing between the alignment plate 254 and the base plate 251 so that the book is fed into the alignment area 256 from a horizontal direction.

Referring to fig. 3 and 4, an adjusting assembly 27 is connected to the bottom plate 251 for driving the second side guard 253 to move toward or away from the side of the first side guard 252. The adjusting assembly 27 comprises an adjusting motor 271 mounted on the base plate 251, an adjusting screw 272 fixedly connected with an output shaft of the adjusting motor 271, and an adjusting block 273 screwed on the adjusting screw 272, wherein the length direction of the adjusting screw 272 is parallel to the direction from the second side shield 253 to the first side shield 252, and the adjusting block 273 is slidably arranged on the base plate 251 and fixedly connected with the second side shield 253. After the book is fed into the alignment area 256, the adjustment motor 271 is started, so that the adjustment block 273 drives the second side barrier 253 to move towards the first side barrier 252 until the second side barrier 253 pushes the book to be attached to the first side barrier 252. The power element 262 is then used to drive the alignment plate 254 to move toward the abutment plate 255, thereby pushing the book onto the cradle 22.

Referring to fig. 3 and 5, a push-pull assembly 221 is connected to the bracket 22 for driving the abutting plate 255 to move toward a side close to or away from the alignment area 256, the push-pull assembly 221 includes a push-pull motor 222 mounted on the bracket 22, a push-pull screw 223 fixedly connected to an output shaft of the push-pull motor 222, and a push-pull block 224 screwed on the push-pull screw 223, and a length direction of the push-pull screw 223 is parallel to a direction from the abutting plate 255 to the alignment area 256. When the push-pull motor 222 operates, the push-pull screw rod 223 rotates, and the push-pull block 224 and the abutting plate 255 reciprocate along the length direction of the push-pull screw rod 223, so that the horizontal position of the abutting plate 255 is adjusted.

Referring to fig. 5 and 6, the push-pull block 224 includes a push-pull portion 225 screwed to the push-pull screw 223 and a movable portion 226 detachably connected to a position right above the push-pull portion 225, and an abutting plate 255 is fixedly connected to the movable portion 226. A horizontally extending waist-shaped hole 227 is formed in the movable portion 226, the length direction of the waist-shaped hole 227 is parallel to the length direction of the push-pull screw rod 223, and a push-pull bolt 228 in threaded connection with the push-pull portion 225 is arranged in the waist-shaped hole 227. With this arrangement, on the one hand, the push-pull bolt 228 can be unscrewed to replace the abutment plates 255 of different sizes; on the other hand, the position of the push-pull bolt 228 passing through the waist-shaped hole 227 can be changed, so as to finely adjust the abutting plate 255.

Referring to fig. 5, the pushing mechanism 24 includes a pushing cylinder 241 mounted on the bracket 22 and a pushing block 242 connected to the pushing cylinder 241, the pushing cylinder 241 drives the pushing block 242 to move horizontally toward or away from the book cutting table, and the pushing plate 23 is fixedly connected to the pushing block 242. After the book is pushed to be attached to the abutting plate 255 by the aligning plate 254, the pushing cylinder 241 is started to push the book to the book cutting table by the pushing plate 23. The push plate 23 in this embodiment is L-shaped and includes an integrally formed horizontal section and a vertical section, wherein the upper side of the horizontal section is integrally formed with a plurality of reinforcing ribs 231 for improving the structural strength of the push plate 23.

Referring to fig. 5 and 7, in order to prevent the push pad 242 from hitting the bracket 22, the bracket 22 is provided with a cushion member 28. The damping assembly 28 includes a damping block 281 slidably connected to the bracket 22 and a damping device 282 fixedly disposed on the damping block 281, wherein the damping device 282 is disposed on a side of the pushing block 242 away from the book cutting table 31, and is capable of contacting the pushing block 242 when the pushing block 242 moves to the side away from the book cutting table, thereby performing a damping function.

Referring to fig. 7, a moving assembly 29 is connected to the carriage 22 for driving the buffer block 281 to move horizontally. The moving assembly 29 includes a moving motor 291 mounted on the bracket 22, a driving gear 292 fixedly connected to an output shaft of the moving motor 291, a driven gear 293 engaged with one side of the driving gear 292, and a moving screw 294 fixedly connected to the driven gear 293, wherein a buffer block 281 is screwed to the moving screw 294, and a length direction of the moving screw 294 is parallel to a telescopic direction of a piston rod of the pushing cylinder 241. When the moving motor 291 works, the driving gear 292, the driven gear 293 and the moving screw rod 294 rotate, and the buffer block 281 moves along the length direction of the moving screw rod 294, so that the position of the buffer 282 is changed to adapt to the pushing blocks 242 with different strokes, and the practicability is high.

Referring to fig. 2 and 8, the book cutting device includes a frame 1, a book cutting table 31 disposed on the frame 1 for supporting a book, a book knife 32 slidably connected to the frame 1, and a knife driving member 33 for driving the knife to move up and down.

Referring to fig. 8, the book knife 32 includes a front knife 321 and two side knives 322 slidably connected to the frame 1, the two side knives 322 are oppositely disposed, and the front knife 321 is located at one side of the side knives 322 close to the book feeding direction. When the book is moved to the book cutting table 31, the front cutter 321 is positioned right above the non-adhesive binding side of the book opposite to the adhesive binding side of the book, and is used for cutting the non-adhesive binding side of the book; two side cutters 322 are respectively positioned right above the other two non-adhesive binding sides of the book for cutting the other two non-adhesive binding sides of the book.

Referring to fig. 8 and 9, a connecting rod 11 is slidably inserted into the frame 1, and both the side cutters 322 are disposed on the connecting rod 11. The side cutter 322 includes an upper cutter base 323, a lower cutter base 324 located right below the upper cutter base 323, and a cutter body 325 fixedly disposed on the lower cutter base 324, a connection hole 326 is formed between the upper cutter base 323 and the lower cutter base 324, the connection rod 11 is inserted into the connection hole 326, and the connection rod 11 can move horizontally relative to the connection hole 326, but cannot rotate.

Referring to fig. 9, the upper tool apron 323 is provided with a clamping cylinder 327, a cylinder of the clamping cylinder 327 is disposed on the upper tool apron 323, and a piston rod of the clamping cylinder passes through the lower tool apron 324 downward and is fixed with a clamping block 328. When the piston rod of the clamping cylinder 327 is shortened, the lower cutter holder 324 can press the connecting rod 11 under the pressure action of the clamping block 328, so that the side cutter 322 is locked; when the piston rod of the clamping cylinder 327 extends, the clamping block 328 releases the lower tool block 324, and the side cutter 322 can horizontally move relative to the connecting rod 11.

Referring to fig. 9, a first adjusting member 34 for driving the two side cutters 322 to move toward or away from each other is connected to the frame 1, the first adjusting member 34 includes a first bidirectional screw 341 rotatably disposed on the frame 1 and a first driving member 342 for driving the first bidirectional screw 341 to rotate, and a length direction of the first bidirectional screw 341 is parallel to a distribution direction of the two side cutters 322. The first bi-directional screw 341 includes two screw segments with opposite directions, and the upper tool holders 323 of the two side cutters 322 are respectively screwed on different screw segments of the first bi-directional screw 341.

Referring to fig. 9, the first driving member 342 includes a first driving motor 343, a first driving bevel gear 344 fixedly connected to an output shaft of the first driving motor 343, and a first driven bevel gear 345 fixed to the first bidirectional screw 341, the first driving bevel gear 344 and the first driven bevel gear 345 being engaged with each other. When the first driving motor 343 is operated, the first driving bevel gear 344 rotates, the first driven bevel gear 345 drives the first bidirectional screw 341 to rotate, and the two side cutters 322 move toward or away from each other, so that the distance between the two side cutters 322 changes to adapt to forming books of different sizes.

Referring to fig. 2, the cutter driving member 33 includes two cutter driving gears 331 disposed opposite to each other, two cutter driven gears 332 engaged with one side of the cutter driving gears 331, and a linkage rod 333 rotatably disposed on the cutter driven gears 332, and the cutter driving gears 331 are rotatably disposed on the frame 1 and are driven to rotate by a motor. The linkage rods 333 are eccentrically arranged with the rotating ends of the cutter driven gears 332, one linkage rod 333 is rotatably connected with the front cutter 321, and the other linkage rod 333 is rotatably connected with the connecting rod 11. The frame 1 is provided with two guide rails 12, the top of the tangent knife 321 is slidably arranged in one guide rail 12, and the connecting rod 11 is slidably arranged in the other guide rail 12. When the cutter driving gear 331 rotates, the cutter driven gear 332 rotates therewith, and the linkage rod 333 drives the book cutter 32 to vertically slide along the guide rail 12, so that the book is cut.

Referring to fig. 8 and 10, the book cutting table 31 includes a base 311 and two abutting seats 312 slidably disposed on the base 311, the two abutting seats 312 are respectively located right below the two side cutters 322, and a nylon plate 313 is fixedly connected to an upper side of the abutting seat 312 to protect the side cutters 322. The pedestal 311 is provided with a second adjusting member 35 for driving the two abutting seats 312 to move towards a side close to or away from each other, and when the side cutter 322 moves, the abutting seats 312 can correspondingly move to a position right below the side cutter 322.

Referring to fig. 8 and 10, the second adjusting member 35 includes a second two-way screw 351 rotatably disposed on the frame 1 and a second driving member 352 for driving the second two-way screw 351 to rotate, a length direction of the second two-way screw 351 is parallel to a length direction of the first two-way screw 341, and the second two-way screw 351 includes two threaded sections with opposite directions, and the two abutting seats 312 are respectively threaded on different threaded sections of the second two-way screw 351. The second driving member 352 includes a second driving motor 353, a second driving bevel gear 354 connected to an output shaft of the second driving motor 353, and a second driven bevel gear 355 fixed to the second bidirectional screw 351, the second driving bevel gear 354 and the second driven bevel gear 355 being engaged with each other. In order to realize the synchronous movement of the abutment 312 and the side cutter 322, the second driving motor 353 and the first driving motor 343 in this embodiment are controlled to operate synchronously by the same control switch.

Referring to fig. 8 and 11, in order to improve the stability of the book when cutting, a pressing frame 36 is fixedly arranged on the machine frame 1, a lifting cylinder 361 is installed on the pressing frame 36, a piston rod of the lifting cylinder 361 faces and is fixed with a pressing plate 362, and the pressing plate 362 can vertically move under the driving of the lifting cylinder 361, so as to press the book after the book is moved to the book cutting table 31. The side of the pressing frame 36 departing from the book feeding direction is fixedly connected with a guide sleeve 363, the feeding direction is the book feeding direction, the bottom of the guide sleeve 363 is rotatably connected with a plurality of guide wheels 364, the plurality of guide wheels 364 are distributed along the book feeding direction, and the bottom ends of the guide wheels 364 are lower than the bottom ends of the pressing plates 362, so that the book feeding device can play a role in preventing warping and guiding when the book is fed out.

Referring to fig. 12, in order to move the cut book out of the book cutting table 31, the discharging conveyor belt 5 is disposed between the two abutting seats 312, the frame 1 is provided with a lifting member 13 for driving the discharging conveyor belt 5 to lift, and the discharging conveyor belt 5 can move into or out of between the two abutting seats 312 under the action of the lifting member 13.

Referring to fig. 12 and 13, a material seat 51 is fixedly arranged at the bottom of the discharging conveyor belt 5, a driving cross bar 14 fixedly connected with a cutter driving gear 331 is rotatably connected to the frame 1, and the driving cross bar 14 and the cutter driving gear 331 are coaxially arranged. The jacking piece 13 comprises a jacking cam 131 fixedly arranged on the driving cross bar 14, a second driven cross bar 132 rotatably arranged on the frame 1 and a jacking rod 133 abutted against the upper side of the jacking cam 131, one end of the jacking rod 133 is rotatably arranged on the second driven cross bar 132, and the other end of the jacking rod 133 is abutted against the lower part of the material seat 51. When the cutter driving gear 331 rotates, the driving cross bar 14 drives the lifting cam 131 to rotate, and further drives the lifting rod 133 to rotate, so that the discharging conveyor belt 5 is ejected or retracted between the two abutting seats 312.

Referring to fig. 12 and 13, the positioning devices 4 in the present embodiment are horizontally distributed in two groups perpendicular to the book feeding direction, and the specific structure is illustrated in one group. The positioning device 4 includes a positioning block 41 slidably disposed on the frame 1, a first positioning driving member 42 for driving the positioning block 41 to horizontally move in a direction perpendicular to the direction in which the book is fed, and a second positioning driving member 43 for driving the positioning block 41 to horizontally move in a direction parallel to the direction in which the book is fed. When the book is conveyed to the book cutting table 31, the positioning block 41 is moved to abut against the side of the book away from the push plate 23, so that the positioning block 41 is prevented from moving relative to the book knife 32, and the improvement of the quality of the finished product is facilitated. The positioning block 41 can horizontally move towards different directions under the action of the first positioning driving piece 42 and the second positioning driving piece 43, so that the positioning block can be suitable for positioning books of different sizes, and the practicability is high.

Referring to fig. 12 and 13, the first positioning driving member 42 includes a positioning gear 421 rotatably disposed on the frame 1, a positioning rack 422 engaged with one side of the positioning gear 421, a positioning frame 423 fixedly connected to the positioning rack 422, and a positioning member 424 for driving the positioning gear 421 to rotate in forward and reverse directions, wherein the positioning rack 422 is disposed horizontally and the length direction of the positioning rack 422 is perpendicular to the feeding direction of the book. The positioning rack 423 comprises a first rack 4231 and a second rack 4232 which are rotatably connected, and the positioning rack 422 is arranged on the first rack 4231.

Referring to fig. 12 and 13, the positioning member 424 includes a first positioning driving helical gear 4242 rotatably disposed on the frame 1, a first positioning driven helical gear 4243 engaged with the first positioning driving helical gear 4242, a first positioning motor 4241 for driving the first positioning driving helical gear 4242 to rotate, and a timing belt 4244 for driving the positioning gear 421 to rotate synchronously with the first positioning driven helical gear 4243. Specifically, the linkage structure of the first positioning motor 4241 and the first positioning driving helical gear 4242 may be a gear structure; the linkage structure of the synchronous belt 4244, the positioning gear 421 and the first positioning driven helical gear 4243 may be a pulley structure, and a rotating wheel in the pulley structure is connected with the positioning gear 421 and the first positioning driven helical gear 4243 through a round rod. When the first positioning motor 4241 works, the first positioning driving helical gear 4242 and the first positioning driven helical gear 4243 rotate, and the synchronous belt 4244 drives the positioning gear 421 to rotate, so that the positioning rack 422 drives the positioning rack 423 to horizontally move, and the movement of the positioning block 41 is realized.

Referring to fig. 12 and 13, the second positioning driving member 43 includes a second positioning motor 431 mounted on the second frame 4232, a positioning screw 432 connected to an output shaft of the second positioning motor 431, and a slider 433 screwed on the positioning screw 432, a length direction of the positioning screw 432 is parallel to a feeding direction of the book, and the slider 433 is fixedly connected to the positioning block 41. When the second positioning motor 431 works, the positioning screw rod 432 is forced to rotate circumferentially, and then the sliding block 433 and the positioning block 41 are driven to move along the length direction of the positioning screw rod 432.

Referring to fig. 12 and 13, in order to improve the structural compactness of the device, an abdicating inclined surface 411 is provided on the side of the positioning block 41 away from the slider 433. The rack 1 is connected with a third positioning driving element 6 for driving the second rack 4232 to rotate, and the abdicating inclined plane 411 can rotate downwards to be in a vertical state along with the second rack 4232 driven by the third positioning driving element 6.

Referring to fig. 12 and 13, the third positioning driver 6 includes a key shaft 61 rotatably provided on the first housing 4231, a third driving helical gear 62 fixedly provided at an end of the key shaft 61, and a third driven helical gear 63 engaged with the third driving helical gear 62, and the third driven helical gear 63 is fixedly provided on the second housing 4232. The frame 1 is rotatably connected with a first driven cross rod 15 parallel to the driving cross rod 14, the side wall of the driving cross rod 14 is fixedly connected with a positioning cam 151, and the side wall of the first driven cross rod 15 is fixed with an extension rod 152 abutted against the positioning cam 151. When the positioning cam 151 rotates with the active crossbar 14, the extension rod 152 is forced to twist. The key shaft 61 is rotatably provided with a pull rod 611, a transition rod 7 is rotatably connected between the pull rod 611 and the first driven cross rod 15, one end of the transition rod 7 is fixedly connected with the extension rod 152, and the other end is rotatably connected with the pull rod 611 through a pin shaft. After the extension rod 152 is twisted, the transition rod 7 rotates to drive the pull rod 611 to swing, and further drive the key shaft 61 to rotate. After the key shaft 61 rotates, the third driving bevel gear 62 and the third driven bevel gear 63 rotate, and then the second frame 4232 is driven to rotate relative to the first frame 4231, so that the direction adjustment of the abdicating bevel 411 is realized.

The implementation principle of the three-side book trimming machine in the embodiment of the application is as follows: when the book is cut, before the book is pushed to the book cutting table 31 by the book feeding device 2, the positioning block 41 is driven to horizontally move by the first positioning driving piece 42 and the second positioning driving piece 43, so that the positioning block 41 is abutted to one side of the book away from the push plate 23. The pressing plate 362 is moved downwards to press the book tightly, and the book cutting knife 32 is driven to move downwards by the knife driving piece 33, so that the book is cut, the automation degree and the processing efficiency are high, and the finished product quality is good.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a three-knife trimmer, includes frame (1), its characterized in that: the frame (1) is provided with

The book cutting device (3) comprises a book cutting table (31) which is arranged on the rack (1) and used for supporting books, a book cutting knife (32) which is connected to the rack (1) in a sliding manner and a knife driving piece (33) which is used for driving the book cutting knife (32) to lift, wherein the book cutting knife (32) is positioned right above the book cutting table (31);

the book feeding device (2) comprises a push plate (23) and a pushing mechanism (24) for driving the push plate (23) to move to and fro towards the book cutting table (31);

the positioning device (4) comprises a positioning block (41) which is arranged on the rack (1) in a sliding manner, a first positioning driving piece (42) which is used for driving the positioning block (41) to horizontally move along the direction vertical to the book feeding direction, and a second positioning driving piece (43) which is used for driving the positioning block (41) to horizontally move along the direction parallel to the book feeding direction; when the book is conveyed to the book cutting table (31), the positioning block (41) abuts against one side of the book, which is far away from the push plate (23).

2. The three-sided trimmer of claim 1, wherein: first location driving piece (42) including rotate setting up location gear (421) on frame (1), meshing at location rack (422) of location gear (421) one side, with location rack (422) fixed connection's locating rack (423) and be used for driving location gear (421) forward reverse pivoted setting element (424), location rack (422) are the direction of feed of level setting and length direction perpendicular to books, locating piece (41) are connected on locating rack (423).

3. A three-sided trimmer according to claim 2, characterized in that: the positioning piece (424) comprises a first positioning driving helical gear (4242), a first positioning driven helical gear (4243) meshed with the first positioning driving helical gear (4242), a first positioning motor (4241) used for driving the first positioning driving helical gear (4242) to rotate and a synchronous belt (4244) used for driving the positioning gear (421) to synchronously rotate along with the first positioning driven helical gear (4243).

4. A three-sided trimmer according to claim 2, characterized in that: the second positioning driving piece (43) comprises a second positioning motor (431) arranged on the positioning frame (423), a positioning screw rod (432) connected with an output shaft of the second positioning motor (431), and a sliding block (433) in threaded connection with the positioning screw rod (432), the length direction of the positioning screw rod (432) is parallel to the feeding direction of books, and the sliding block (433) is fixedly connected with the positioning block (41).

5. The three-sided trimmer of claim 4, wherein: one end of the positioning block (41) far away from the sliding block (433) is provided with a yielding inclined plane (411), the rack (1) is connected with a third positioning driving piece (6) used for driving the positioning frame (423) to rotate, and the yielding inclined plane (411) can be driven to rotate downwards to a vertical state by the third positioning driving piece (6).

6. The three-sided trimmer of claim 5, wherein: the positioning frame (423) comprises a first frame body (4231) and a second frame body (4232) which are connected in a rotating mode, the positioning rack (422) is arranged on the first frame body (4231), the second positioning driving piece (43) is arranged on the second frame body (4232), the third positioning driving piece (6) comprises a key shaft (61) which is arranged on the first frame body (4231) in a rotating mode, a third driving bevel gear (62) which is fixedly arranged at the end portion of the key shaft (61) and a third driven bevel gear (63) which is meshed with the third driving bevel gear (62), and the third driven bevel gear (63) is fixedly arranged on the second frame body (4232).

7. The three-sided trimmer of claim 6, wherein: the cutter driving part (33) comprises a cutter driving gear (331) rotatably arranged on the rack (1), the rack (1) is rotatably connected with a driving cross rod (14) fixedly connected with the cutter driving gear (331) and a first driven cross rod (15) parallel to the driving cross rod (14), a positioning cam (151) is arranged on the side wall of the driving cross rod (14), and an extension rod (152) abutted against the positioning cam (151) is fixed on the side wall of the first driven cross rod (15); the key shaft (61) is rotatably provided with a pull rod (611), and a transition rod (7) is rotatably connected between the pull rod (611) and the first driven cross rod (15).

8. The three-sided trimmer of claim 7, wherein: cut book platform (31) and include pedestal (311) and slide two butt joint seats (312) of setting on pedestal (311), two be equipped with between butt joint seat (312) and be used for cutting exit conveyor (5) that back books spread, be provided with jacking piece (13) that are used for driving exit conveyor (5) to go up and down in frame (1), exit conveyor (5) can be under the effect of jacking piece (13) immigration or shift out between two butt joint seats (312).

9. The three-sided trimmer of claim 8, wherein: be provided with material seat (51) that are used for bearing discharging conveyor belt (5) in frame (1), jacking piece (13) are including fixed jacking cam (131) that set up on initiative horizontal pole (14), the driven horizontal pole (132) of second that rotate to set up on frame (1) and butt jacking pole (133) at jacking cam (131) upside, the one end of jacking pole (133) is rotated and is set up on the driven horizontal pole (132) of second, the other end butt is in the below of material seat (51).

10. The three-sided trimmer of claim 1, wherein: the book cutting knife (32) comprises a front cutting knife (321) and two opposite side cutting knives (322), and a first adjusting piece (34) for driving the two side cutting knives (322) to move towards one side close to or away from each other is connected to the rack (1).