CN113787768A

CN113787768A - A printing machine for carton production

Info

Publication number: CN113787768A
Application number: CN202111002910.XA
Authority: CN
Inventors: 赵宏宇; 赵锦龙; 齐忠卫
Original assignee: Fuzhou Huijin Paper Packaging Co ltd
Current assignee: Zhuhai Ruiheng Packaging Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-12-14
Anticipated expiration: 2041-08-30
Also published as: CN113787768B

Abstract

The application discloses a printing machine for carton production, which relates to the field of carton production equipment and comprises a machine body, wherein a printing mechanism is arranged on the machine body, one end of the machine body is a feeding table, the other end of the machine body is a discharging end, a conveying assembly for conveying a paperboard into the printing mechanism is arranged on the feeding table, a discharging frame is further arranged on the feeding table, side plates are positioned on two sides of a feeding direction, and a first plate is positioned on one side close to the printing mechanism; the lower surface at bottom plate both ends rotates and is provided with the live-rollers, be provided with between the live-rollers and pass the material area, set up on the lateral wall in biography material area and push away the material strip, set up on the bottom plate and be used for supplying to push away the groove of stepping down that the material strip passed through, the direction of motion in biography material area is on a parallel with the direction of feed of cardboard, be provided with on the blowing frame and be used for driving live-rollers pivoted power supply, the blown down tank that is used for supplying a cardboard to pass through is seted up to the lower extreme of first board. This application has the effect of more making things convenient for the feeding.

Description

A printing machine for carton production

Technical Field

The application relates to the technical field of carton production equipment, in particular to a printing machine for carton production.

Background

In the production process of the carton, some patterns and characters are usually printed on the surface of the paperboard firstly, so that the later prepared carton is more beautiful and has a style, and in the process of printing patterns on the paperboard, a paperboard printer is usually used for printing.

Chinese utility model patent document with associated grant publication No. CN208118668U discloses a carton printing machine, a be used for printing the cardboard, it is including the base, feeding mechanism has set gradually according to the direction of feed of cardboard on the base, printing mechanism and the derivation mechanism that is used for the ejection of compact, printing mechanism is including the compression roller, driven voller and printing plate, leave the clearance between compression roller and the driven voller and be used for the paper feed board to pass through, the printing plate is used for printing the pattern on the cardboard surface, feeding mechanism is including rotating the chain on the frame, the outside of chain still is fixed with the plectrum, place the cardboard and can push the cardboard into the technology of printing in the printing mechanism in order to carry out the printing through the chain on the frame, the cardboard after the printing finishes then carries out the ejection of compact from derivation mechanism.

In view of the above-mentioned related technologies, the inventor believes that in the process of printing the paper boards, workers need to place the paper boards on the base one by one to feed the paper boards, and the operation is troublesome.

Disclosure of Invention

To facilitate feeding, the present application provides a printing press for carton production.

The application provides a printing machine for carton production adopts following technical scheme:

a printing machine for carton production comprises a machine body, wherein a printing mechanism is arranged on the machine body, one end of the machine body is a feeding table, the other end of the machine body is a discharging end, a conveying assembly used for conveying a paperboard into the printing mechanism is arranged on the feeding table, a discharging frame is further arranged on the feeding table, the discharging frame comprises a bottom plate, side plates arranged on two sides of the bottom plate, and a first plate and a second plate which are connected between the side plates, the first plate and the second plate are sequentially connected end to end and enclose a space used for placing the paperboard, the side plates are located on two sides of a feeding direction, and the first plate is located on one side close to the printing mechanism;

the lower surfaces of two ends of the bottom plate are rotatably provided with rotating rollers, a material conveying belt is arranged between the rotating rollers, material pushing strips are arranged on the side wall of the material conveying belt, the bottom plate is provided with a abdicating groove for the material pushing strips to pass through, the movement direction of the material conveying belt is parallel to the feeding direction of the paper boards, the material placing frame is provided with a power source for driving the rotating rollers to rotate, and the lower end of the first plate is provided with a material discharging groove for the paper boards to pass through;

all rotate on the one side that the curb plate deviates from mutually and be provided with the feeler lever, be provided with arc portion on the lateral wall of feeler lever, offer on the lateral wall and be used for the fluting, be provided with between live-rollers and the conflict pole and be used for driving feeler lever pivoted actuating mechanism, and work as when actuating mechanism drive feeler lever rotates, arc portion can pass the fluting and extend in the blowing frame inner chamber.

Through adopting above-mentioned technical scheme, when carrying out the feeding, place the cardboard of a buttress in the blowing frame, make the cardboard respectively butt in the curb plate all around, on first board and the second board, then rotate through power supply drive live-rollers, when pushing away the material strip and beginning to move to the inslot of stepping down, the upper surface that pushes away the material strip contacts with the bottom surface of below cardboard, thereby make the motion of pushing away the material strip can drive the cardboard of below and slide and from the blown down tank roll-off, drop on the feed table, then send into the cardboard under conveying component's effect and carry out the technology of printing in the printing mechanism. One side that the curb plate deviates from rotates and is connected with the feeler lever, can drive arc portion and pass the fluting and extend in the blowing frame under actuating mechanism's effect to can butt in the both sides of cardboard when making arc portion rotate, thereby make and upwards lift the cardboard slightly, thereby reduced the effort between cardboard and the penultimate cardboard of below, reduced the cardboard when the feeding because frictional force is too big and the condition that takes place wearing and tearing.

Optionally, there is the part that extends the blowing frame lateral wall at the both ends of live-rollers, actuating mechanism is including setting up in adjacent the driving band that sets up between the live-rollers tip and set up in the actuating lever that touches contact lever lateral wall and vertical downwardly extending, the surface of driving band is provided with the strip of touching, the tip of touching is provided with the inclined plane that is used for supplying the actuating lever to contradict.

Through adopting above-mentioned technical scheme, the live-rollers drives the material area motion when rotating, and synchronous drive driving band motion, the synchronous drive of driving band motion are to the contact strip motion, and when the tip motion of contact strip was contradicted to the tip that begins with the actuating lever, the strip of contradicting began to promote the actuating lever for the actuating lever is to the direction motion that is close to the curb plate, thereby drives the conflict pole and rotates, and then makes the arc to the blowing frame internal rotation with the lifting carton.

Optionally, the two ends of the touch bar are coaxially provided with first gears, the sides of the first plate and the second plate, which are far away from each other, are vertically and slidably connected with racks, the racks correspond to the first gears in a one-to-one manner, the first gears are meshed with the racks, the sides of the first plate and the second plate, which are far away from each other, are rotatably provided with eccentric rods, the two ends of each eccentric rod are provided with second gears, one sides of the racks, which face the second gears, are provided with meshing teeth, the meshing teeth can be meshed with the second gears, the first plate and the second plate are provided with elongated slots, and when the eccentric rods rotate, parts of the eccentric rods can penetrate through the elongated slots and extend into the inner cavity of the material placing frame.

Through adopting above-mentioned technical scheme, the conflict pole can slide through first gear drive rack when rotating, and the rack slides and can drive second gear revolve, and then can drive the eccentric rod and rotate to the blowing frame in, the lateral wall of eccentric rod rotates to the blowing frame from bottom to top in, can the butt in the carton lateral wall to make two eccentric rods can rotate to the blowing frame in and the cardboard of the corresponding position of lifting, thereby further reduce the effort that the cardboard acts on the cardboard of below.

Optionally, equal vertical sliding tray of having seted up on the first board and the second board, be provided with the sliding block on the rack, sliding connection is in the sliding tray from top to bottom on the sliding block, just the lateral wall of first board and second board is provided with spacing seat, be provided with the spring on the spacing seat, the lower extreme of spring is connected in the up end of rack, works as when the rack upwards slides the spring is in compression state.

Through adopting above-mentioned technical scheme, under the effect of spring, the spring can drive the sliding block lapse after the sliding block lapse to drive the rack slip, thereby can drive feeler lever and eccentric bar and reply to original position.

Optionally, a protection plate is arranged on the side wall of the side plate, and one side of the driving belt, which is far away from the side plate, can abut against the protection plate.

Through adopting above-mentioned technical scheme, one side of driving band can the butt on the guard plate, can improve the stability of driving band for push away material more stable when pushing away material strip butt on the actuating lever.

Optionally, the end of the material pushing strip is obliquely provided with an abutting surface.

Through adopting above-mentioned technical scheme, it promotes the actuating lever motion to make things convenient for more.

Optionally, the sliding groove is a dovetail groove, and the sliding block is of a dovetail structure matched with the sliding groove.

Through adopting above-mentioned technical scheme, the sliding block is the dovetail structure, and slides from top to bottom in the sliding tray to make the gliding more stable of sliding block and be difficult to break away from in the sliding tray.

Optionally, the conveying assembly sets up in a plurality of conveyer belts on the feed table surface including rotating, the feed table surface still rotates and is provided with the push roller, the axis of rotation of push roller is on a parallel with the feeding direction, be provided with on the feed table and be used for driving push roller pivoted driving motor, be provided with the butt plate on the feed table, the length direction of butt plate is on a parallel with the feeding direction.

Through adopting above-mentioned technical scheme, the promotion roller can drive the direction motion of cardboard to the butt board when rotating to can the butt carry out the feeding on the butt board when making the cardboard feeding, accuracy when improving the cardboard feeding.

In summary, the present application includes at least one of the following benefits:

1. a plurality of paperboards can be placed in the material placing frame, and under the action of the rotating roller, the lowest paperboards can be pushed out from the material discharging groove one by one and fall on the material feeding table, so that the conveying assembly feeds the materials, the abutting rod rotates towards the material placing frame from bottom to top, the arc-shaped part can lift the paperboards, the acting force of the upper paper box on the lowest paperboards is reduced, and the friction force applied to the paperboards during material discharging is reduced;

2. all rotate on the first board and on the second board and be provided with the eccentric rod, the eccentric rod also can change over to the blowing frame from bottom to top in, further carries out the lifting to the cardboard to reduce the effort of arc portion when the lifting cardboard, also reduce the effort to the cardboard of below.

Drawings

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

FIG. 2 is a schematic structural diagram of a material placing frame in the embodiment of the present application;

FIG. 3 is a schematic view of a coupling structure embodying a drive belt and a discharge frame in the embodiment of the present application;

FIG. 4 is a schematic view showing a coupling structure of an interference lever and an eccentric lever according to an embodiment of the present application;

FIG. 5 is a schematic view showing the structure of the pusher bar;

FIG. 6 is a schematic view of a structure of a touch bar;

fig. 7 is a schematic structural view embodying the conveying assembly.

Description of reference numerals: 1. a body; 2. a printing mechanism; 3. a feeding table; 4. a discharge end; 5. a delivery assembly; 51. a conveyor belt; 52. a pusher roller; 53. a drive motor; 6. a material placing frame; 61. a base plate; 62. a side plate; 63. a first plate; 64. a second plate; 7. a rotating roller; 8. a material conveying belt; 9. pushing the material strips; 10. a yielding groove; 11. a discharge chute; 12. a touch bar; 13. an arc-shaped portion; 14. grooving; 15. a drive mechanism; 151. a drive belt; 152. a drive rod; 153. a contact bar; 154. an inclined surface; 16. a first gear; 17. a rack; 18. an eccentric rod; 19. a second gear; 20. meshing teeth; 21. a long groove; 22. a sliding groove; 23. a slider; 24. a limiting seat; 25. a spring; 26. a protection plate; 27. an abutting surface; 28. a butt joint plate; 29. a convex column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a printing machine for carton production. Referring to fig. 1, the printing machine includes a machine body 1, one end of the machine body 1 is a feeding table 3, the other end is a discharging end 4, the printing mechanism 2 is installed between the feeding table 3 and the discharging end 4 on the machine body 1, a conveying component 5 is installed on the feeding table 3, the conveying component 5 is used for conveying the paperboard into the printing mechanism 2 for printing operation, and then the printed paperboard comes out from the discharging end 4.

Referring to fig. 1 and 2, a material placing frame 6 is placed on one side, away from the material discharging end 4, of the feeding table 3, and the material placing frame 6 is used for storing paper boards needing to be printed.

Referring to fig. 1 and 3, the material loading frame 6 includes a bottom plate 61, side plates 62 disposed at both sides of the bottom plate 61, and a first plate 63 and a second plate 64 connected between the two side plates 62, wherein the first plate 63, the second plate 64, and the side plates 62 are all vertically disposed and perpendicular to the surface of the bottom plate 61. The first plate 63, the second plate 64, the side plates 62 and the bottom plate 61 enclose a space for placing the paper boards, and the space and the size of the paper boards are adapted so that the side walls of the paper boards can abut against the inner wall of the discharging frame 6 when the paper boards are placed in the discharging frame 6. The side plates 62 are located on both sides in the feeding direction, and the first plate 63 is located on the side close to the printing mechanism 2. The bottom surface of the bottom plate 61 can be fixedly supported with feet for supporting the whole material placing frame 6, and the height of the bottom plate 61 is higher than the table surface of the material feeding table 3.

Referring to fig. 3 and 4, the lower surface of the bottom plate 61 is rotatably connected with the rotating rollers 7, and the axial direction of the two rotating rollers 7 is perpendicular to the feeding direction of the paper sheets by the rotating rollers 7. In order to provide the mounting position of the rotating roller 7, a downwardly extending projection (not shown) may be fixed to the base plate 61, and the rotating roller 7 is rotatably coupled to the projection by means of a bearing. The material conveying belt 8 is connected between the rotating rollers 7, the material placing frame 6 is further provided with a power source for driving the rotating rollers 7 to rotate, the power source is a power motor, the power motor can be fixed on the ground in a bolt mode, a synchronizing wheel is connected to an output shaft of the power motor, a synchronizing belt is connected between the synchronizing wheel and one of the rotating rollers 7, and therefore the rotating rollers 7 can be driven to rotate through the power motor.

Referring to fig. 3 and 5, three material transfer belts 8 are provided between the rotating rollers 7, and the material transfer belts 8 are uniformly arranged along the axial direction of the rotating rollers 7. The outer side wall of the material conveying belt 8 is provided with a material pushing strip 9, the bottom plate 61 is provided with a yielding groove 10, the yielding groove 10 corresponds to the material conveying belt 8 one to one, when the rotating roller 7 drives the material conveying belt 8 to move, the material pushing strip 9 moves to the yielding groove 10, the side wall of the material pushing strip 9 penetrates through the yielding groove 10 and is provided with a part extending out of the upper surface of the bottom plate 61. The lower end of the first plate 63 is provided with a discharge chute 11, and the height of the discharge chute 11 is the height allowing one paper board to pass through. When a stack of paperboards are placed in the material placing frame 6, the rotating roller 7 is driven to rotate through the power source, the material pushing strip 9 can be in contact with the paperboards at the lowest end after moving to the position of the abdicating groove 10, the material pushing strip 9 can drive the paperboards at the lowest end to slide and slide out of the material discharging groove 11, and therefore the material placing frame 6 can automatically slide the paperboards one by one. Further, the end of the pushing strip 9 is obliquely provided with an abutting surface 27, so that the pushing strip 9 can be abutted with the paperboard more easily.

Referring to fig. 3 and 6, the side plate 62 is rotatably mounted with the touch bar 12 on the side away from the side plate, the outer wall of the touch bar 12 is further provided with an arc-shaped portion 13, the side plate 62 is provided with a slot 14 corresponding to the slot 14 of the arc-shaped portion 13, and when the touch bar 12 rotates from bottom to top (as shown in the figures, the touch bar can be understood as rotating counterclockwise), the arc-shaped portion 13 can pass through the slot 14 and extend into the material placing frame 6. Still install actuating mechanism 15 between live-rollers 7 and the conflict pole 12, be used for the drive to conflict pole 12 and rotate, in making arc portion 13 can change over to blowing frame 6 through fluting 14 in, then push away material strip 9 and the cardboard butt of bottom, thereby make arc portion 13 get into in blowing frame 6, and the both sides of cardboard in blowing frame 6, arc portion 13 upwards rotates and to drive the cardboard and upwards rise, thereby reduce the effort to the cardboard of bottom, thereby reduce the frictional force that the cardboard received when the ejection of compact, and then reduce the possibility of wearing out because of the friction.

Referring to fig. 4 and 5, both ends of the rotating roller 7 are provided with portions penetrating the surfaces of the protrusions, and the driving mechanism 15 includes a driving belt 151 connected between both ends of the rotating roller 7, and the rotating roller 7 rotates to drive the driving belt 151 to move synchronously. A driving rod 152 extending vertically and downwards is fixed on the side wall of the touch bar 12, and the positions of the driving rod 152 and the arc-shaped part 13 are staggered; the surface of the driving belt 151 is further provided with a contact strip 153, the contact strip 153 is made of rubber with certain elasticity, so that the movement of the driving belt 151 is not affected, and the end of the contact strip 153 is provided with an inclined surface 154. When the driving belt 151 moves, the end of the driving rod 152 can abut against the inclined surface 154, the driving belt 151 continues to move, so that the driving rod 152 is pushed to move toward the side plate 62, so that the striking rod 12 can rotate, and the arc portion 13 rotates from bottom to top, so that the side wall of the arc portion 13 can lift the paperboard.

Referring to fig. 2 and 4, a side of the interference strip 153 away from the side plate 62 and a side of the driving belt 151 away from the side plate 62 are coplanar, and a protection plate 26 is mounted on a side wall of the material placing frame 6, and a side of the driving belt 151 away from the side plate 62 can abut against the protection plate 26, so that the driving belt 151 and the interference strip 153 are more stable and are not easily deformed when the driving rod 152 is pushed to move.

Referring to fig. 3 and 4, the first gear 16 is coaxially fixed at two ends of the touch bar 12, racks 17 are vertically and slidably connected to the sides of the first plate 63 and the second plate 64, which are away from each other, the racks 17 correspond to the first gears 16 one to one, the racks 17 are engaged with the first gears 16, and when the touch bar 12 rotates towards the side plate 62, the first gears 16 rotate to drive the racks 17 to slide upwards. The eccentric rod 18 is rotatably mounted on the side of the first plate 63 and the second plate 64 facing away from each other, the eccentric rod 18 is mounted at a position higher than the mounting position of the interference rod 12, and the length direction of the eccentric rod 18 is perpendicular to the feeding direction. The two ends of the eccentric rod 18 are fixed with convex columns 29, the first plate 63 and the second plate 64 are fixed with mounting seats, the convex columns are rotationally connected to the mounting seats, so that the eccentric rod 18 is rotationally connected, and the connecting positions of the convex columns and the eccentric rod 18 are staggered with the center of circle of the eccentric rod 18. The positions of the first plate 63 and the second plate 64, which correspond to the eccentric rod 18, are provided with elongated slots 21, the side wall of the convex column 29 is coaxially fixed with a second gear 19, one side of the rack 17, which is close to the second gear 19, is provided with engaging teeth 20, and the engaging teeth 20 can be engaged with the second gear 19, so that the eccentric rod 18 can be driven to rotate through the second gear 19 in the upward sliding process of the rack 17, the side wall of the eccentric rod 18 can rotate into the discharging frame 6 through the elongated slots 21, and the side wall of the eccentric rod 18 can abut against two ends of the paper board and drive the paper board to move upward, thereby further reducing the acting force of the paper board on the paper board at the lowest position.

Referring to fig. 3 and 4, the first plate 63 and the second plate 64 are both provided with a sliding groove 22, the sliding groove 22 extends in the vertical direction, the rack 17 is fixed with a sliding block 23, and the sliding block 23 slides up and down in the sliding groove 22. And sliding tray 22 is the dovetail structure, and sliding block 23 is the structure with sliding tray 22 cooperateing for sliding block 23 is difficult for breaking away from in sliding tray 22, and the gliding stability of rack 17 is more.

Referring to fig. 3, the first plate 63 and the second plate 64 are respectively fixed with a limiting seat 24, the limiting seats 24 correspond to the racks 17 one by one, the lower surface of the limiting seat 24 is fixed with a spring 25, the lower end of the spring 25 is fixed on the upper end surface of the rack, and when the rack 17 slides upwards, the spring 25 is in a compressed state, so that the spring 25 can provide a downward movement trend of the rack 17, and the touch rod 12 is more easily restored to the original position.

Referring to fig. 1 and 7, the conveying assembly 5 includes a plurality of conveying belts 51 rotatably disposed on the surface of the feeding table 3, and the conveying belts 51 move in a roller driving manner and in a direction of the printing mechanism 2, and in other embodiments, the feeding of the cardboard sheets can also be realized in a chain driving manner. The cardboard is placed on the conveyer belt 51, and the conveyer belt 51 moves to drive the cardboard into the printing mechanism 2.

Referring to fig. 1 and 7, a pushing roller 52 is further rotatably disposed on the feeding table 3, an abutting plate 28 is mounted on one side of the feeding table 3, the length direction of the abutting plate 28 is parallel to the feeding direction, and the length direction of the pushing roller 52 is parallel to the length direction of the abutting plate 28. Still install on the lateral wall of feed table 3 and be used for driving and push away roller 52 pivoted driving motor 53, drop on feed table 3 when the cardboard, push away roller 52 and rotate to the direction of butt board 28, thereby can drive the cardboard and move to butt board 28 and one side of cardboard can the butt on butt board 28, conveyor components 5 drives the direction motion of cardboard to printing mechanism 2, thereby make at every turn the cardboard can the butt come in on butt board 28, improve the accuracy of cardboard feeding.

The implementation principle of a printing machine for carton production in the embodiment of the application is as follows: the rotating roller 7 rotates to drive the paperboard at the lowest end in the material placing frame 6 to come out of the discharging groove 11 and fall on the feeding table 3, the driving belt 151 also rotates synchronously when the rotating roller 7 rotates, when the driving rod 152 abuts against the abutting strip 153, the abutting strip 153 can push the driving rod 152 to move, so that the abutting rod 12 rotates towards the material placing frame 6, the arc-shaped part 13 can abut against the paperboard, the paperboard is slightly lifted upwards, and the acting force of the paperboard on the paperboard at the lowest end is reduced; when the feeler lever 12 rotated, eccentric rod 18 can rotate in step, and 18 lateral walls of eccentric rod extend in blowing frame 6 through fluting 14, also can carry out the lifting to the cardboard to further reduce the effort of cardboard to the cardboard of below.

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 printing machine for carton production, includes organism (1), be provided with printing mechanism (2) on organism (1), the one end of organism (1) is feed table (3), and the other end is discharge end (4), its characterized in that: the paperboard printing machine is characterized in that a conveying assembly (5) used for conveying paperboards into the printing mechanism (2) is arranged on the feeding table (3), a discharging frame (6) is further arranged on the feeding table (3), the discharging frame (6) comprises a bottom plate (61), side plates (62) arranged on two sides of the bottom plate (61), and a first plate (63) and a second plate (64) connected between the side plates (62), the first plate (63) and the second plate (64) are sequentially connected end to end and enclose a space used for placing the paperboards, the side plates (62) are located on two sides of a feeding direction, and the first plate (63) is located on one side close to the printing mechanism (2);

the lower surfaces of two ends of the bottom plate (61) are rotatably provided with rotating rollers (7), a material conveying belt (8) is arranged between the rotating rollers (7), the side wall of the material conveying belt (8) is provided with a material pushing strip (9), the bottom plate (61) is provided with a abdicating groove (10) for the material pushing strip (9) to pass through, the moving direction of the material conveying belt (8) is parallel to the feeding direction of the paper boards, the material placing frame (6) is provided with a power source for driving the rotating rollers (7) to rotate, and the lower end of the first plate (63) is provided with a material discharging groove (11) for one paper board to pass through;

all rotate on the one side that curb plate (62) deviate from mutually and be provided with conflict pole (12), be provided with arc portion (13) on the lateral wall of conflict pole (12), offer on the lateral wall and be used for fluting (14), be provided with between live-rollers (7) and conflict pole (12) and be used for driving conflict pole (12) pivoted actuating mechanism (15), and work as actuating mechanism (15) drive when conflicting pole (12) rotate, arc portion (13) can pass fluting (14) and extend in blowing frame (6) inner chamber.

2. A printing press for carton production according to claim 1, wherein: the both ends of live-rollers (7) have the part that extends blowing frame (6) lateral wall, actuating mechanism (15) are including setting up in adjacent driving band (151) that set up between live-rollers (7) tip and set up in driving lever (152) that contact bar (12) lateral wall and vertical downwardly extending, the surface of driving band (151) is provided with and contacts strip (153), the tip of contacting strip (153) is provided with inclined plane (154) that are used for supplying driving lever (152) to contradict.

3. A printing press for carton production according to claim 2, wherein: the two ends of the touch bar (12) are coaxially provided with a first gear (16), the sides of the first plate (63) and the second plate (64) which are deviated from each other are vertically connected with racks (17) in a sliding way, the racks (17) correspond to the first gears (16) one by one, the first gears (16) are meshed with the racks (17), the sides of the first plate (63) and the second plate (64) which are deviated from each other are both provided with eccentric rods (18) in a rotating way, second gears (19) are arranged at two ends of the eccentric rod (18), meshing teeth (20) are arranged on one side of the rack (17) facing the second gears (19), the meshing teeth (20) can be meshed with the second gear (19), the first plate (63) and the second plate (64) are both provided with a long groove (21), when the eccentric rod (18) rotates, part of the eccentric rod can penetrate through the long groove (21) and extend into the inner cavity of the material placing frame (6).

4. A printing press for carton production according to claim 3, wherein: sliding tray (22) have all vertically been seted up on first board (63) and on second board (64), be provided with sliding block (23) on rack (17), sliding block (23) sliding connection is in sliding tray (22) from top to bottom, just the lateral wall of first board (63) and second board (64) is provided with spacing seat (24), be provided with spring (25) on spacing seat (24), the lower extreme of spring (25) is connected in the up end of rack (17), works as when rack (17) upwards slides spring (25) are in compression state.

5. A printing press for carton production according to claim 3, wherein: the side wall of the side plate (62) is provided with a protection plate (26), and one side, far away from the side plate (62), of the driving belt (151) can abut against the protection plate (26).

6. A printing press for carton production according to claim 4, wherein: the end part of the material pushing strip (9) is obliquely provided with an abutting surface (27).

7. A printing press for carton production according to claim 6, wherein: the sliding groove (22) is a dovetail groove, and the sliding block (23) is of a dovetail structure matched with the sliding groove (22).

8. A printing press for carton production according to claim 7, wherein: conveying component (5) set up in a plurality of conveyer belts (51) on feed table (3) surface including rotating, feed table (3) surface still rotates and is provided with and pushes away roller (52), the axis of rotation that pushes away roller (52) is on a parallel with the feeding direction, be provided with on feed table (3) and be used for driving and push away roller (52) pivoted driving motor (53), be provided with butt plate (28) on feed table (3), the length direction of butt plate (28) is on a parallel with the feeding direction.