CN210214213U

CN210214213U - Long corrugated paper printing machine

Info

Publication number: CN210214213U
Application number: CN201920592366.0U
Authority: CN
Inventors: Baorong Zhang; 张宝荣; Xiaolong Chen; 陈小龙; Jiayi Chen; 陈嘉怡
Original assignee: Tongxiang Hesheng Paper Products Co ltd
Current assignee: Tongxiang Hesheng Paper Products Co ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-03-31
Anticipated expiration: 2029-04-26

Abstract

The utility model relates to a long corrugated paper printing machine belongs to the lithography apparatus technical field of the paper industry, and it includes the frame and sets up advancing device and the printing device in the frame, the printing device sets up in advancing device's end, the one end that the frame deviates from advancing device is equipped with adsorption paper feeding device, and its technical essential is: the paper feeding device comprises a placing frame used for stacking paper boards and a conveying mechanism used for conveying the paper boards, the placing frame comprises guide frames fixedly arranged at two ends of one side of the frame, which are deviated from two ends of the propelling device, a supporting mechanism is arranged between the guide frames, the supporting mechanism comprises two adjusting screw rods connected with the guide frames in a rotating mode and adjusting blocks connected with the adjusting screw rods in a threaded mode, and two supporting plates capable of abutting against the paper boards are arranged between the adjusting blocks. The utility model provides a long corrugated paper printing machine supports thereby making the cardboard keep leveling in data send process through setting up supporting mechanism to the cardboard.

Description

Long corrugated paper printing machine

Technical Field

The utility model belongs to the technical field of the lithography apparatus technique of paper industry and specifically relates to a long corrugated paper printing machine is related to.

Background

Corrugated paper, also known as kraft paper, is a common material for paper packing boxes, is lighter than wood, has certain hardness, is easier to cut in size, and is commonly used for protecting other packaged products from being damaged. In order to facilitate people to know the performance, the carrying mode and other information of products in the packing box under the condition that the packing box is not opened, the corrugated paper is usually printed with corresponding product introduction, patterns, characters, symbols and the like with different colors on the outside and used for identifying the products and meeting the packing effect.

Although corrugated board has certain hardness, when the cardboard length is longer, when one end of cardboard is supported or both ends are supported, its other end or middle part that does not receive the support can receive gravity to influence the natural flagging, not only can influence the efficiency of cardboard in the printing transfer process, still easily causes the cardboard to buckle to set up the crease that appears simultaneously. Among the prior art corrugated paper printing machine can adopt adsorption paper feeding device to carry the cardboard for improving printing efficiency, but adsorption paper feeding device mostly can only be suitable for shorter cardboard, and the longer cardboard of corresponding printing length mostly needs to add strutting arrangement in addition and assists it or adsorption paper feeding device's length is fixed and can only be applicable to the cardboard of a certain fixed length.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a long corrugated paper printing machine supports thereby making the cardboard keep leveling in data send process through setting up supporting mechanism to the cardboard.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a long corrugated paper printing machine, includes the frame and sets up advancing device and printing device in the frame, printing device sets up in advancing device's end, the frame deviates from advancing device's one end and is equipped with adsorption paper feeding device, adsorption paper feeding device is including the conveying mechanism who is used for stacking the rack of cardboard and is used for the conveying cardboard, the rack is including fixed the leading truck that sets up in the frame and deviates from advancing device one side both ends, two be equipped with supporting mechanism between the leading truck, supporting mechanism includes two and rotates accommodate the lead screw and the threaded connection of being connected in accommodate the lead screw's regulating block, two be equipped with the backup pad that can contradict with the cardboard between the regulating block.

By adopting the technical scheme, the paper boards are pushed into the printing device for printing by the pushing device, in order to ensure that the paper boards can be continuously pushed into the printing device for printing by the pushing device, the paper feeding device is arranged on one side of the pushing device, which is far away from the printing device, and the paper boards stacked on the placing frame are sequentially conveyed into the pushing device by the conveying mechanism; through set up supporting mechanism on the leading truck, support the cardboard, through setting up regulating block and accommodate the lead screw for the position of backup pad on the leading truck can be nimble adjustable, thereby guarantees that supporting mechanism can correspond the cardboard of different length and carries out the auxiliary stay, guarantees that the cardboard can keep leveling in the data send process, avoids the crease to appear in the cardboard.

The utility model discloses further set up to: the rack still includes the leading frame with frame fixed connection and slides and set up the after-poppet between two leading framves, be equipped with the subassembly that slides between after-poppet and the leading frame, the subassembly that slides includes the transmission shaft of being connected with the after-poppet rotation and the coaxial drive gear that is fixed in the transmission shaft both ends, two the leading frame one side in opposite directions is corresponded and is seted up along its length direction and supplies the gliding spout of drive gear, the fixed transmission rack who is equipped with drive gear meshing of spout.

By adopting the technical scheme, the placing frame is provided with the front frame and the rear bracket, so that the paperboard is supported by the front frame, the supporting plate and the rear bracket when placed on the placing frame, the friction force between the placing frame and the paperboard is reduced while the paperboard is ensured to be flat and stressed, and the movement of the paperboard on the placing frame is facilitated; through setting up the subassembly that slides for the back bracket takes place to slide on the leading truck, thereby make the interval between leading frame and the back bracket adjust, so that the rack can be suitable for the cardboard of different length, through setting up the transmission shaft, and set up drive gear at the both ends of transmission shaft, drive gear meshes with the transmission rack in the spout, thereby make the transmission shaft drive gear rotate make, drive gear rolls on the transmission rack, realizes that the position of back bracket is adjustable.

The utility model discloses further set up to: the adjusting screw rod is located below the sliding groove, air cylinders are arranged between the upper end faces of the two adjusting blocks and the supporting plates, and the supporting plates are located below the transmission shaft when the air cylinders shrink.

Through adopting above-mentioned technical scheme, make supporting mechanism can not influence the removal of after-poppet on the leading truck through setting up accommodate the lead screw in the spout below, through set up the cylinder between regulating block and backup pad, make the interval between backup pad and the regulating block receive the shrink control of cylinder piston rod, the backup pad is located the transmission shaft below when the cylinder contracts, make when cardboard length is less, make the up end of backup pad not contradict with terminal surface under the cardboard through control cylinder shrink, and the backup pad does not influence the removal of after-poppet, thereby reduce the frictional force between cardboard and the rack.

The utility model discloses further set up to: conveying mechanism includes that many pivots and the interval that sets up side by side set up in changeing epaxial a plurality of delivery wheels, the pivot is rotated and is set up on leading frame and its axis is parallel with the width direction of frame, leading frame up end corresponds the delivery wheel and has seted up a plurality of mounting grooves, the delivery wheel part stretches out the mounting groove up end and contradicts with the cardboard.

Through adopting above-mentioned technical scheme, through set up the delivery wheel on leading the frame, set up the mounting groove on leading the frame and make the delivery wheel pass through mounting groove part protrusion leading the frame up end to utilize the frictional force between delivery wheel and the cardboard, drive the super pusher of cardboard and remove when the pivot drives the delivery wheel and rotates.

The utility model discloses further set up to: the conveying mechanism further comprises a plurality of secondary conveying assemblies arranged on the supporting plate, each secondary conveying assembly comprises a secondary motor fixedly arranged at the lower end of the supporting plate, a rocker fixedly arranged on an output shaft of the secondary motor and a push rod hinged to one side, facing the propelling device, of the supporting plate, a connecting rod is hinged between the push rod and the rocker, and a push plate capable of abutting against the lower end face of the paperboard is arranged at the hinged position of the push rod and the connecting rod.

Through adopting above-mentioned technical scheme, through setting up a plurality of secondary conveying subassemblies in the backup pad, when cardboard length is longer, carry out supplementary conveying to the cardboard through secondary conveying subassembly, make things convenient for the removal of cardboard on the rack.

The utility model discloses further set up to: conveying mechanism is still including setting up in the supplementary propelling movement subassembly of back bracket below, supplementary propelling movement subassembly includes the auxiliary motor fixed with the back bracket and fixes the propelling movement wheel that sets up in the auxiliary motor output shaft, the axis and the frame width direction of propelling movement wheel are parallel, the perisporium of propelling movement wheel is fixed to be equipped with the propelling movement tooth that can contradict with the cardboard end, the propelling movement tooth is rotatory towards leading frame one side under auxiliary motor's drive.

Through adopting above-mentioned technical scheme, through setting up supplementary propelling movement subassembly on the bracket of back for the cardboard end moves towards leading frame under the promotion of supplementary propelling movement subassembly, through setting up propelling movement wheel and auxiliary motor, makes the propelling movement wheel rotate towards leading frame one side under auxiliary motor's drive, makes propelling movement tooth and the terminal conflict of cardboard and promote the cardboard and move forward.

The utility model discloses further set up to: a limiting device is arranged between the paper feeding device and the pushing device, the limiting device comprises two baffles sliding along the width direction of the rack and two-way lead screws rotatably arranged at two ends of the rack, the two-way lead screws penetrate through the two baffles and are in threaded connection with the baffles, and the thread turning directions of two ends of the two-way lead screws are opposite; two the lower terminal surface of baffle and the up end sliding conflict of rack, the terminal surface is seted up inclined plane on one side of deviating from advancing device under the baffle.

By adopting the technical scheme, the limiting device is arranged between the paper feeding device and the pushing device, so that the moving direction of the paperboard is kept unchanged in the process of moving the paperboard to the pushing device under the paper feeding device, and the printing effect of the paperboard is improved; through setting up two-way lead screw and making baffle and two-way lead screw's both ends threaded connection for two baffles are along with two-way lead screw's rotation looks alternate segregation or are close to each other, thereby adjust according to the width of cardboard.

The utility model discloses further set up to: the upper end face of two the baffle all is equipped with the deflector, two the one end that the deflector deviates from the baffle is kept away from each other and is made the deflector be eight characters shape setting.

Through adopting above-mentioned technical scheme, through setting up the deflector at the baffle up end, make things convenient for the cardboard to keep aliging with the cardboard of below at the pile-up in-process.

To sum up, the utility model discloses a beneficial technological effect does: the support mechanism is arranged on the placing frame and is in sliding connection with the guide frame, so that the position of the support plate on the guide frame can be adjusted along with the length change of the paper board, and the flatness of the paper board can be better ensured; the stacked paperboards are sequentially conveyed into the pushing device through the paper conveying device, and the position of the paperboards is kept unchanged in the conveying process through the limiting device arranged between the paper conveying device and the pushing device; through setting up conveying mechanism for conveying mechanism's promotion on leading frame, backup pad and the back bracket can be received respectively to the cardboard, thereby effectively just remove towards pusher one side steadily.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial structural schematic view of the present invention, mainly showing the connection relationship between the sliding assembly and the guide frame and the rear bracket;

fig. 3 is a cross-sectional view of the present invention, mainly showing the connection relationship between the auxiliary pushing mechanism and the rear bracket;

FIG. 4 is a partial cross-sectional view of the present invention, mainly illustrating the connection between the conveying mechanism and the front frame;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is a partial cross-sectional view of the present invention, primarily illustrating the connection between the secondary transport assembly and the support mechanism;

fig. 7 is an enlarged view of a portion a in fig. 3.

In the figure, 1, a frame; 11. a cross bar; 12. a vertical rod; 2. a propulsion device; 3. a printing device; 4. a paper feeding device; 41. placing a rack; 411. a front frame; 4111. mounting grooves; 412. a rear bracket; 4121. a support plate; 41211. a groove; 4122. a pressure lever; 4123. a notch; 413. a guide frame; 4131. a chute; 4132. a rack; 414. a slipping component; 4141. a drive shaft; 4142. a transmission gear; 4143. a driven wheel; 4144. a driving wheel; 4145. a slip motor; 42. a conveying mechanism; 421. a delivery wheel; 422. a rotating shaft; 423. a drive assembly; 4231. a conveying gear; 4232. a drive motor; 4233. a drive gear; 4234. a chain; 424. a secondary transport assembly; 4241. a secondary motor; 4242. a rocker; 4243. a push rod; 4244. a connecting rod; 4245. pushing the plate; 425. an auxiliary pushing assembly; 4251. an auxiliary motor; 4252. a push wheel; 4253. pushing the teeth; 43. a support mechanism; 431. adjusting the screw rod; 432. an adjusting block; 433. a support plate; 434. a cylinder; 435. rotating the handle; 5. a limiting device; 51. a baffle plate; 511. a bevel; 512. guiding an angle; 52. a bidirectional screw rod; 53. a hand wheel; 54. a guide plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a long corrugated paper printing machine, including frame 1 and set up advancing device 2 and printing device 3 in frame 1, printing device 3 sets up in advancing device 2's end, prints in advancing device 2 with the cardboard propelling movement to printing device 3 through advancing device. In order to ensure that the pushing device 2 can continuously push the paper boards into the printing device 3 for printing, a paper feeding device 4 is arranged at one end of the frame 1, which is far away from the pushing device 2, and the paper feeding device 4 comprises a placing frame 41 for stacking the paper boards and a conveying mechanism 42 for conveying the paper boards.

Referring to fig. 1 and 2, the placing frame 41 includes a front frame 411 fixedly connected to the frame 1 and a guide frame 413 fixedly disposed at two ends of the front frame 411 facing away from the propelling device 2, and the guide frame 413 is slidably connected to a rear bracket 412. Referring to fig. 3, the rear bracket 412 is provided with a supporting plate 4121 towards one side of the front rack 411, and the two ends of the paper board are supported by the rack 41 when the paper board is placed on the rack 41 by the rear bracket 412, so that the paper board can be flatly placed on the rack 41, and meanwhile, the friction force between the rack 41 and the paper board is reduced, and the paper board can be conveniently moved on the rack 41. When the amount of the paper boards on the placing rack 41 is small, a pressing rod 4122 is rotatably connected to the rear bracket 412 above the supporting plate 4121 in order to prevent one end of the paper boards from tilting.

Referring to fig. 1 and 2, in order to facilitate the sliding and positioning of the rear bracket 412 on the guide frame 413, a sliding assembly 414 is disposed between the rear bracket 412 and the guide frame 413; the sliding assembly 414 includes a transmission shaft 4141 rotatably connected to the rear bracket 412 and transmission gears 4142 coaxially fixed to both ends of the transmission shaft 4141, a sliding groove 4131 for the transmission gear 4142 to slide is correspondingly formed on one opposite side of the two guide frames 413 along the length direction thereof, and a transmission rack 4132 engaged with the transmission gear 4142 is fixedly disposed on the sliding groove 4131. The driven wheel 4143 is coaxially fixed in the middle of the transmission shaft 4141, the driven wheel 4143 is engaged with the driving wheel 4144, the center of one side of the driving wheel 4144 is connected with the sliding motor 4145, the sliding motor 4145 is fixedly connected with the rear bracket 412, the output shaft is fixedly connected with the driving wheel 4144, the sliding motor 4145 is started to be meshed and linked with the driven wheel 4143 through the driving wheel 4144, and therefore the transmission shaft 4141 is driven to rotate, and the rear bracket 412 slides on the guide frame 413.

Referring to fig. 1 and 2, in order to make the paper feeding device 4 suitable for conveying corrugated paper boards with long length and avoid bending or even crease of the boards during conveying, a supporting mechanism 43 is arranged between the two guide frames 413. The supporting mechanism 43 comprises two adjusting screw rods 431 rotatably connected with the guide frame 413 and adjusting blocks 432 in threaded connection with the adjusting screw rods 431, a supporting plate 433 capable of abutting against a paperboard is arranged between the two adjusting blocks 432, one end, deviating from the propelling device 2, of each adjusting screw rod 431 penetrates through the guide frame 413 and is fixedly provided with a rotating handle 435, and the rotating handle 435 is rotated to drive the adjusting screw rods 431 to rotate, so that the positions of the supporting plates 433 on the guide frame 413 are variable.

Referring to fig. 2 and 3, the adjusting screw 431 is located below the sliding groove 4131, air cylinders 434 are arranged between the upper end surfaces of the two adjusting blocks 432 and the supporting plates 433, and the supporting plates 433 are located below the transmission shaft 4141 when the air cylinders 434 are contracted, so that when the length of the paperboard is small, the upper end surfaces of the supporting plates 433 are not abutted against the lower end surfaces of the paperboard by controlling the contraction of the air cylinders 434, the supporting plates 433 are ensured not to influence the movement of the rear bracket 412, and the friction force between the paperboard and the placing frame 41 is reduced.

Referring to fig. 4 and 5, the conveying mechanism 42 includes a plurality of rotating shafts 422 (four shafts are shown in the figure) arranged side by side and a plurality of conveying wheels 421 arranged on the rotating shafts 422 at intervals, a plurality of mounting grooves 4111 are formed in the upper end surface of the front frame 411 corresponding to the conveying wheels 421, a part of the conveying wheels 421 extends out of the upper end surface of the mounting grooves 4111 and abuts against the paper board, and ribs (not shown in the figure) are formed in the conveying wheels 421 along the circumferential direction thereof to increase the friction force between the conveying wheels 421 and the straight board. The four rotating shafts 422 are rotatably connected with the placing frame 41, the axes of the four rotating shafts are parallel to the width direction of the rack 1, and in order to enhance the conveying of the conveying wheels 421 to the paper boards, the conveying wheels 421 on the two adjacent rotating shafts 422 are arranged in a staggered mode.

Referring to fig. 5, a driving assembly 423 for driving the rotating shaft 422 to rotate towards the propelling device 2 is connected to the four rotating shafts 422, the driving assembly 423 includes a conveying gear 4231 and a driving motor 4232 which are coaxially and fixedly arranged in the middle of the rotating shaft 422, a driving gear 4233 which is arranged in parallel with the conveying gear 4231 is fixedly arranged on an output shaft of the driving motor 4232, the driving gear 4233 is in meshing connection with the four conveying gears 4231 through chains 4234, and in order to avoid the chains 4234 from contacting with the paper board, the diameter of the conveying gear 4231 is smaller than that of the conveying wheel 421.

Referring to fig. 1 and 4, in order to ensure that the position of the conveying track of the paper board is kept unchanged in the conveying process, a limiting device 5 is arranged between the paper feeding device 4 and the pushing device 2, the limiting device 5 comprises two baffles 51 sliding along the width direction of the rack 1 and two-way screw rods 52 rotatably arranged at two ends of the rack 1, the two-way screw rods 52 penetrate through the two baffles 51 and are in threaded connection with the baffles 51, and the thread turning directions of two ends of the two-way screw rods 52 are opposite. In order to facilitate the rotation of the bidirectional screw rod 52, a hand wheel 53 is arranged at one end of the bidirectional screw rod 52, and the hand wheel 53 is rotated to drive the bidirectional screw rod 52 to rotate, so that the distance between the two baffles 51 is adjusted.

Referring to fig. 4, in order to avoid the bidirectional screw rod 52 to drive the baffle 51 to rotate in the rotating process, the rack 1 is correspondingly provided with a plurality of transverse rods 11 penetrating through the two baffles 51, in order to avoid the cardboard from falling to the propelling device 2 through the transverse rods 11, a plurality of vertical rods 12 are arranged between the two baffles 51 in parallel, and the plurality of vertical rods 12 are all fixedly connected with the transverse rods 11. The lower end faces of the two baffle plates 51 are in sliding contact with the upper end face of the front frame 411, and an inclined plane 511 is formed in one side, deviating from the propelling device 2, of the lower end face of the baffle plate 51, so that the baffle plate 51 is prevented from interfering with the conveying wheel 421. The upper end surfaces of the two baffle plates 51 are respectively provided with a guide plate 54, and one ends of the two guide plates 54 departing from the baffle plates 51 are mutually far away, so that the guide plates 54 are arranged in a splayed shape, and the paper plates are conveniently aligned with the paper plates below in the stacking process; and the sides of the two baffle plates 51 facing away from the propelling device 2 are oppositely provided with guide angles 512.

Referring to fig. 3 and 6, to ensure the effectiveness of the transport mechanism 42 in conveying the sheets, the transport mechanism 42 further includes a plurality of secondary transport assemblies 424 (three are shown) disposed on the support plate 433. The secondary transmission assembly 424 comprises a secondary motor 4241 fixedly arranged at the lower end of the supporting plate 433, a rocker 4242 fixedly arranged at an output shaft of the secondary motor 4241 and a push rod 4243 hinged to one side of the supporting plate 433, which faces the propelling device 2, a connecting rod 4244 is hinged between the push rod 4243 and the rocker 4242, and a push plate 4245 capable of abutting against the lower end face of the paperboard is arranged at the hinged position of the push rod 4243 and the connecting rod 4244. In order to enhance the friction force between the push plate 4245 and the paperboard, the upper end surface of the push plate 4245 is provided with anti-skid grains.

Referring to fig. 3 and 7, the conveying mechanism 42 further includes an auxiliary pushing assembly 425 disposed below the rear bracket 412, the auxiliary pushing assembly 425 includes an auxiliary motor 4251 fixed to the rear bracket 412 and a pushing wheel 4252 fixedly disposed on an output shaft of the auxiliary motor 4251, and an axis of the pushing wheel 4252 is parallel to the width direction of the frame 1; the peripheral wall of the pushing wheel 4252 is fixedly provided with pushing teeth 4253 which can be abutted against the tail end of the paper board, and the number of the pushing teeth 4253 is one. The pushing teeth 4253 are driven by the auxiliary motor 4251 to rotate towards one side of the front frame 411, and the pushing teeth 4253 are arranged towards one side of the front frame 411 in a manner of being vertical to the pushing wheel 4252 and arranged in a manner of being arc-shaped away from one side of the front frame 411.

Referring to fig. 7, the supporting plate 4121 is formed with a groove 41211 corresponding to the pushing tooth 4253, the rear bracket 412 is formed with a notch 4123 corresponding to the groove 41211 and communicating with the groove 41211, and the pushing tooth rotates to the upper end of the supporting plate 4121 through the notch 4123 and the groove 41211 and abuts against the end of the paper plate. To ensure that the pushing teeth 4253 push the cardboard one by one when the cardboard is moved, the pushing teeth partially protrude out of the groove 41211 and the height of the pushing teeth protruding out of the groove 41211 is less than the thickness of the cardboard. To avoid the pushing teeth from scratching the cardboard, the junction of groove 41211 and notch 4123 is located directly above the axis of the pushing wheel so that the pushing teeth extend the highest height beyond groove 41211 when they contact the cardboard through groove 41211.

The implementation process of the embodiment is as follows: firstly, adjusting the distance between the two baffle plates 51 by rotating the hand wheel 53 to ensure that the distance between the two baffle plates 51 is equal to the width of the paperboard; then, by starting the sliding motor 4145, the rear bracket 412 is driven by the sliding assembly 414 to move towards or away from the front rack 411, so that the distance between the front rack 411 and the rear bracket 412 is equal to the length of the paper board; then, by turning the rotating handle 435, the support plate 433 is slid on the guide frame 413 by the lead screw 431. Then, the paper boards are stacked on the placing frame 41, the piston rod of the driving air cylinder 434 extends to enable the upper end face of the supporting plate 433 to be abutted against the bottom of the paper boards, finally, the conveying mechanism 42 is enabled to convey the paper boards by starting the driving motor 4232, the secondary motor 4241 and the auxiliary motor 4251, the rotating speed between the secondary motor 4241 and the driving motor 4232 is kept equal, the rotating speed of the auxiliary motor 4251 is smaller than that of the driving motor 4232, and the rotating speed ratio between the secondary motor 4251 and the driving motor 4232 is adjusted according to the length of the paper boards.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a long corrugated paper printing machine, includes frame (1) and sets up advancing device (2) and printing device (3) on frame (1), printing device (3) set up in the end of advancing device (2), the one end that frame (1) deviates from advancing device (2) is equipped with adsorption paper feeding device (4), its characterized in that: adsorption paper feeding device (4) are including rack (41) that are used for stacking the cardboard and conveying mechanism (42) that are used for transmitting the cardboard, rack (41) are including fixed leading truck (413) that sets up in frame (1) and deviate from advancing device (2) one side both ends, two be equipped with supporting mechanism (43) between leading truck (413), supporting mechanism (43) include two and leading truck (413) rotate adjusting screw rod (431) and threaded connection in adjusting screw rod (431) adjusting block (432), two be equipped with backup pad (433) that can contradict with the cardboard between adjusting block (432).

2. A long corrugating press as claimed in claim 1, wherein: the rack (41) further comprises a front rack (411) fixedly connected with the rack (1) and a rear bracket (412) arranged between the two guide frames (413) in a sliding mode, a sliding assembly (414) is arranged between the rear bracket (412) and the guide frames (413), the sliding assembly (414) comprises a transmission shaft (4141) rotatably connected with the rear bracket (412) and transmission gears (4142) coaxially fixed at two ends of the transmission shaft (4141), sliding grooves (4131) for the transmission gears (4142) to slide are formed in opposite sides of the two guide frames (413) correspondingly along the length direction of the corresponding guide frames, and transmission racks (4132) meshed with the transmission gears (4142) are fixedly arranged on the sliding grooves (4131).

3. A long corrugating press as claimed in claim 2, wherein: the adjusting screw rods (431) are located below the sliding grooves (4131), air cylinders (434) are arranged between the upper end surfaces of the two adjusting blocks (432) and the supporting plates (433), and the supporting plates (433) are located below the transmission shafts (4141) when the air cylinders (434) contract.

4. A long corrugating press as claimed in claim 2, wherein: conveying mechanism (42) set up a plurality of delivery wheel (421) on pivot (422) including many pivot (422) that set up side by side and interval, pivot (422) rotate set up on leading frame (411) and its axis is parallel with the width direction of frame (1), leading frame (411) up end corresponds delivery wheel (421) and has seted up a plurality of mounting grooves (4111), delivery wheel (421) part stretches out mounting groove (4111) up end and contradicts with the cardboard.

5. A long corrugator machine as claimed in claim 4, wherein: the conveying mechanism (42) further comprises a plurality of secondary conveying assemblies (424) arranged on the supporting plate (433), each secondary conveying assembly (424) comprises a secondary motor (4241) fixedly arranged at the lower end of the supporting plate (433), a rocker (4242) fixedly arranged at an output shaft of the secondary motor (4241) and a push rod (4243) hinged to the supporting plate (433) and facing one side of the propelling device (2), a connecting rod (4244) is hinged between the push rod (4243) and the rocker (4242), and a push plate (4245) capable of abutting against the lower end face of the paperboard is arranged at the hinged position of the push rod (4243) and the connecting rod (4244).

6. A long corrugator machine as claimed in claim 4, wherein: conveying mechanism (42) still includes setting up in supplementary propelling movement subassembly (425) of back bracket (412) below, supplementary propelling movement subassembly (425) include with back bracket (412) fixed auxiliary motor (4251) and fixed set up in propelling movement wheel (4252) of auxiliary motor (4251) output shaft, the axis of propelling movement wheel (4252) is parallel with frame (1) width direction, the perisporium of propelling movement wheel (4252) is fixed to be equipped with can with the propelling movement tooth (4253) that the cardboard end is contradicted, propelling movement tooth (4253) are rotatory towards leading frame (411) one side under auxiliary motor (4251)'s drive.

7. A long corrugating press as claimed in claim 1, wherein: a limiting device (5) is arranged between the paper feeding device (4) and the pushing device, the limiting device (5) comprises two baffles (51) sliding along the width direction of the rack (1) and two-way screw rods (52) rotatably arranged at two ends of the rack (1), the two-way screw rods (52) penetrate through the two baffles (51) and are in threaded connection with the baffles (51), and the thread turning directions of two ends of the two-way screw rods (52) are opposite; two the lower terminal surface of baffle (51) slides with the up end of rack (41) and contradicts, inclined plane (511) have been seted up to baffle (51) lower terminal surface and deviating from advancing device (2) one side.

8. A long corrugating press as claimed in claim 7, wherein: the upper end surfaces of the two baffles (51) are respectively provided with a guide plate (54), and one ends, deviating from the baffles (51), of the guide plates (54) are far away from each other, so that the guide plates (54) are arranged in a splayed shape.