CN214003446U

CN214003446U - Feeding device with deviation correction function for four-color printing machine

Info

Publication number: CN214003446U
Application number: CN202023189764.XU
Authority: CN
Inventors: 余关军; 徐刚; 徐含弦
Original assignee: Shaoxing Yuesheng Color Printing Co ltd
Current assignee: Shaoxing Yuesheng Color Printing Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-20
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a four-color printing machine's that area was rectified loading attachment, which comprises a frame, be provided with feed mechanism in the frame, feed mechanism includes the lifter plate, two limiting plates, drive assembly and material loading subassembly, the vertical slide of lifter plate is installed in the frame, two limiting plates are installed respectively in the both sides that the frame is relative, the limiting plate is used for adjusting the position that the paper got into the printing machine, drive assembly installs in the frame and drives the vertical slide of lifter plate, material loading unit mount is in the frame and drives the sola paper and get into in the printing machine. The method and the device have the effect of reducing the dislocation probability of the printed image on the paper.

Description

Feeding device with deviation correction function for four-color printing machine

Technical Field

The application relates to the technical field of printing machines, in particular to a feeding device of a four-color printing machine with a deviation correcting function.

Background

The four-color printing machine is a printing machine which uses four kinds of black, medium blue, brown and green ink to realize the offset printing method of map duplication, is a printing method commonly adopted by Chinese large-scale topographic maps and has uniform color codes.

The chinese utility model patent that relevant bulletin number is CN204737484U discloses a tray is paper stacking device in advance, including the shallow guide rail, the shallow, the defeated paper platform of lift, the platform board, angle aluminium spout, keep off paper angle aluminium, the one end and the defeated paper platform of lift of platform board link up, the other end and the shallow guide rail of platform board link up, the defeated paper platform of lift include the mount, it is provided with the lift platen to slide on the mount, the top of mount is provided with lift driving shaft and lift transition sprocket, lift driving shaft both ends all are provided with drive sprocket, the lift platen passes through the chain sling and is connected with the transmission of lift driving shaft with the transition sprocket that goes up and down. The paper to be printed is firstly stacked on the trolley, the trolley is pushed to the lifting bedplate, and then the paper enters the printing machine one by one to be printed along with the lifting bedplate, so that the feeding work is finished.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the height that the paper piled up on the shallow is generally higher, and when the lift platen passed through the chain and drives the shallow rise, probably because the position of shallow on the elevating platform is uneven, lead to the atress of lift platen uneven, make the chain rock at driven in-process production, probably lead to the paper on the shallow to rock the slope, reduce follow-up paper and carry the degree of accuracy of counterpointing to the printing image that makes on the paper produces the dislocation.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of follow-up paper transport counterpoint, reduce the probability of printing image dislocation on the paper, this application provides a four-color printing machine's loading attachment who rectifies in area.

The application provides a four-color printing machine's loading attachment that area was rectified adopts following technical scheme:

the utility model provides a four-color printing machine's loading attachment that area was rectified, which comprises a frame, be provided with feed mechanism in the frame, feed mechanism includes lifter plate, two limiting plates, drive assembly and material loading subassembly, the vertical slide of lifter plate is installed in the frame, two the limiting plate is installed respectively in the both sides that the frame is relative, the limiting plate is used for adjusting the position that the paper got into the printing machine, drive assembly installs in the frame and drives the vertical slide of lifter plate, material loading unit mount is in the frame and drives the sola paper and get into in the printing machine.

Through adopting above-mentioned technical scheme, pile up the back on the lifter plate with the paper, drive assembly drive lifter plate rebound, the lifter plate moves the paper and moves upward, makes two limiting plates respectively with two side butts that the paper is relative, when the material loading subassembly promoted the sola paper and gets into in the printing machine, the limiting plate can reduce the skew that produces when the paper removes the feeding, makes in the paper gets into the printing machine according to the exact gesture, has improved the degree of accuracy that follow-up paper carried the counterpoint to the probability of printing the image dislocation on the paper has been reduced.

Optionally, the both sides that the frame is relative all are provided with adjusting part, adjusting part includes air cylinder, regulating block and elastic component, air cylinder horizontal installation is in the frame, the regulating block is installed on air cylinder's piston rod, two the limiting plate slides respectively and installs on two regulating blocks, the elastic component install on the regulating block and with limiting plate connection.

Through adopting above-mentioned technical scheme, when lift board moved the paper and moved upward, adjusting cylinder promoted the regulating block horizontal migration, and the regulating block drives the limiting plate and removes to make the limiting plate support tightly at the side of paper, the position of limiting plate can be adjusted to the elastic component on the regulating block, makes the limiting plate support on the paper side, can not be with paper extrusion deformation simultaneously.

Optionally, the elastic component includes slide bar and limiting spring, the slide bar horizontal slip is installed on the regulating block, the limiting plate is installed on the slide bar, limiting spring installs on the regulating block and is connected with the slide bar, the limiting plate supports the side at the paper under limiting spring's effect.

Through adopting above-mentioned technical scheme, when the regulating block promoted the side butt of limiting plate and paper, limiting plate and regulating block produced relative movement, and the limiting plate drives the slide bar level and slides, compresses spacing spring when the slide bar removes, and spacing spring's reaction force makes the slide bar promote the limiting plate and supports tightly on the side of paper.

Optionally, the both sides of lifter plate up end all set up the groove that slides that is parallel to each other, the both sides that the lifter plate is relative all are provided with the gag lever post, two the gag lever post is horizontal respectively and is slided and install at two inslots that slide, the side butt of gag lever post and paper.

Through adopting above-mentioned technical scheme, earlier with two gag lever posts vertical installation in the both sides of lifter plate, place the paper on the lifter plate again, make two gag lever posts support respectively on two sides of paper, can make the orderly stack of paper on the elevating platform to follow-up paper is carried the degree of accuracy of counterpointing has been improved.

Optionally, a supporting plate is arranged on the side wall of the limiting rod, and the supporting plate is abutted to the upper end face of the lifting plate.

Through adopting above-mentioned technical scheme, when the gag lever post was installed on the lifter plate, the backup pad butt supported the gag lever post at the up end of lifter plate, made the gag lever post keep vertical state to the paper that makes stack between two gag lever posts keeps vertical state.

Optionally, the feeding assembly includes a lifting cylinder, a first suction cup, a first vacuum generator and a feeding member, the lifting cylinder is mounted on the frame, the first suction cup is mounted on a piston rod of the lifting cylinder and located above the paper, the first vacuum generator is mounted on the frame and connected to the first suction cup, the first suction cup lifts the single paper under the action of the first vacuum generator, and the feeding member is mounted on the frame and pushes the lifted paper to enter the printing machine.

Through adopting above-mentioned technical scheme, the first sucking disc of lift cylinder drive moves down, makes first sucking disc support on the paper of superiors, and first vacuum generator takes out the air in the first sucking disc, makes first sucking disc hold the paper, and the first sucking disc of lift cylinder re-drive upward movement to can lift the paper of superiors and make this paper and feeding piece contact.

Optionally, the feeding part comprises a pushing cylinder, a second sucking disc and a second vacuum generator, the pushing cylinder is horizontally arranged on the rack and located above the paper, the second sucking disc is arranged on a piston rod of the pushing cylinder, the second vacuum generator is arranged on the rack and connected with the second sucking disc, and the second sucking disc sucks the lifted paper under the action of the second vacuum generator.

Through adopting above-mentioned technical scheme, the paper that is lifted up and second sucking disc contact, second vacuum generator take out the air in the second sucking disc to make the second sucking disc can hold this paper, first vacuum generator makes first sucking disc and paper separation, and the driving cylinder drives the paper and removes to the printing machine, thereby can send the paper to in the four-color printing machine.

Optionally, an air faucet connected with an air source is arranged on the machine frame and aligned to the side edge of the paper.

Through adopting above-mentioned technical scheme, dry paper produces static easily and makes two adjacent papers adsorb each other, and the air cock is bloied to the side of paper, makes to have the air between the adjacent two-layer paper to the probability that two papers were sent into four-color printing machine simultaneously has been reduced.

Optionally, the driving assembly comprises a driving motor, a chain wheel, a chain and a weight block, the driving motor is horizontally arranged on the rack, the chain wheel is coaxially arranged on an output shaft of the driving motor, the chain is meshed with the chain wheel, one end of the chain is connected with the lifting plate, and the weight block is vertically slidably arranged on the rack and connected with the other end of the chain.

Through adopting above-mentioned technical scheme, when drive lifter plate vertical movement, driving motor drives the sprocket and rotates, and the sprocket drives the chain and rotates, and the pouring weight on the chain makes the chain keep the state of tightening, makes the sprocket can drive the chain and rotate, and chain pulling lifter plate rebound, lifter plate drive paper rebound to make the paper be close to first sucking disc.

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

1. through the setting of feed mechanism, the skew that produces when can reducing the paper feeding has improved the degree of accuracy that follow-up paper carried the counterpoint to the probability of printing the image dislocation on the paper has been reduced.

2. Through adjusting part's setting, make the limiting plate support on the paper side, can not be with paper extrusion deformation simultaneously.

3. Through the setting of gag lever post, make the orderly stack of paper on the elevating platform to follow-up paper is carried the degree of accuracy of counterpointing has been improved.

4. Through the arrangement of the air nozzles, the probability that two pieces of paper are simultaneously fed into the four-color printing machine is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of a partial perspective of the loading mechanism of the present application with the frame partially cut away to show internal structure;

FIG. 3 is a schematic view of a partial perspective view of a loading assembly of the present application;

FIG. 4 is a partial perspective view of the adjustment assembly of the present application.

Reference numerals: 100. a frame; 101. a mounting cavity; 102. mounting holes; 103. a fixing plate; 104. a fixed mount; 105. fixing the rod; 106. a limiting frame; 110. a guide rail; 120. mounting a plate; 121. mounting grooves; 200. a feeding mechanism; 210. a lifting plate; 211. a sliding groove; 220. a drive assembly; 221. a drive motor; 222. a sprocket; 223. a chain; 224. a weight block; 225. a linkage rod; 230. a limiting plate; 240. a limiting rod; 241. a support plate; 300. a feeding assembly; 310. a lifting cylinder; 320. a first suction cup; 330. a first vacuum generator; 340. a feeding member; 341. a push cylinder; 342. a second suction cup; 343. a second vacuum generator; 344. a support bar; 400. an adjustment assembly; 410. an adjusting cylinder; 411. a rectangular plate; 420. an adjusting block; 421. an adjustment hole; 430. an elastic member; 431. a slide bar; 432. a limiting spring; 433. pushing the plate; 440. an air tap.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, a feeding device of a four-color printing machine with deviation correction comprises a frame 100, wherein a feeding mechanism 200 is arranged on the frame 100, and the feeding mechanism 200 comprises a lifting plate 210, two driving assemblies 220 and a feeding assembly 300.

Referring to fig. 1 and 2, vertical guide rails 110 are fixedly arranged on both sides of a side wall of a rack 100, the guide rails 110 are T-shaped, a mounting plate 120 is vertically slidably arranged on the rack 100, the mounting plate 120 is horizontal, and guide grooves slidably matched with the guide rails 110 are formed in both ends of a side wall of the mounting plate 120; two driving assemblies 220 are respectively installed at both sides of the frame 100, and the driving assemblies 220 include a driving motor 221, two sprockets 222, two chains 223, and two weights 224.

Referring to fig. 2, a rectangular installation cavity 101 is formed in the upper end surface of the rack 100, two driving motors 221 are horizontally and fixedly installed on two sides of the installation cavity 101 respectively, linkage bars 225 are coaxially and fixedly installed on output shafts of the driving motors 221, and the two linkage bars 225 are parallel to each other; the two chain wheels 222 are coaxially and fixedly arranged at two ends of the linkage rod 225 respectively, and the two chains 223 are respectively meshed with the two chain wheels 222.

Referring to fig. 2, both ends of the chains 223 penetrate through the mounting cavity 101 downward, one ends of the two chains 223 are fixedly connected to both sides of the mounting plate 120, respectively, and the two weights 224 are fixedly connected to the other ends of the two chains 223, respectively; the four chains 223 are respectively fixedly connected to four corners of the mounting plate 120, so that the four chains 223 can drive the mounting plate 120 to move vertically.

Referring to fig. 2, a rectangular mounting groove 121 is formed in the upper end surface of the mounting plate 120, the lifting plate 210 is rectangular, and the lifting plate 210 is installed in the mounting groove 121 in a clamping manner; two sliding grooves 211 are formed in the upper end face of the lifting plate 210, the two sliding grooves 211 are located on two sides of the lifting plate 210 respectively and are parallel to each other, two ends of each sliding groove 211 penetrate through the lifting plate 210 horizontally, and the horizontal section of each sliding groove 211 is in an inverted T shape.

Referring to fig. 2, be provided with the gag lever post 240 of two rectangular shapes on the lifter plate 210, gag lever post 240 is vertical form, and the lower extreme of two gag lever posts 240 is the horizontal slip respectively and installs in two grooves 211 that slide, all fixes being provided with triangular support plate 241 on the lateral wall that two gag lever posts 240 carried on the back mutually, the lower terminal surface of support plate 241 and the up end butt of lifter plate 210, and the paper piles up the up end at lifter plate 210, the lateral wall of two gag lever posts 240 respectively with the side butt of paper both sides.

Referring to fig. 2 and 3, a mounting hole 102 vertically penetrating through the mounting cavity 101 is formed in the lower end surface of the frame 100, and a rectangular fixing plate 103 is horizontally and fixedly arranged on the side wall of the mounting hole 102; the feeding assembly 300 comprises two lifting cylinders 310, two first suction discs 320, two first vacuum generators 330 and a feeding piece 340, wherein the lower end surface of the fixing plate 103 is horizontally provided with two fixing frames 104 at intervals and is fixedly provided with two fixing frames, and the two lifting cylinders 310 are respectively and vertically fixedly connected to the two fixing frames 104.

Referring to fig. 3, two first suction cups 320 are respectively and fixedly connected to piston rods of two lifting cylinders 310, the first suction cup 320 is located above the paper, two first vacuum generators 330 are respectively and fixedly connected to two fixing frames 104, the two first vacuum generators 330 are respectively and fixedly connected to the two first suction cups 320, and when the first suction cup 320 abuts against the paper, the first vacuum generators 330 draw out air in the first suction cup 320, so that the first suction cup 320 can lift up a single paper.

Referring to fig. 3, a fixing rod 105 is fixedly disposed on a lower end surface of the fixing plate 103, the fixing rod 105 is vertical, and the feeding member 340 includes a pushing cylinder 341, a second suction cup 342, and a second vacuum generator 343; horizontal fixed connection of push cylinder 341 is at the lower terminal surface of dead lever 105, vertical fixed bracing piece 344 that is provided with on push cylinder 341's the piston rod, second sucking disc 342 fixed connection is at the lower terminal surface of bracing piece 344, the height of second sucking disc 342 is higher than the height of first sucking disc 320, second vacuum generator 343 fixed connection is on push cylinder 341's cylinder body, second vacuum generator 343 and second sucking disc 342 fixed connection, second vacuum generator 343 takes away the gas between second sucking disc 342 and the paper, make second sucking disc 342 hold by the paper that lifts up.

Referring to fig. 1 and 4, both sides of the rack 100 are fixedly provided with the limiting frames 106, and the two limiting frames 106 are provided with the adjusting assemblies 400; adjusting part 400 includes adjusting cylinder 410, regulating block 420 and elastic component 430, and adjusting cylinder 410 horizontal fixed connection is on spacing 106, and the vertical fixed rectangular plate 411 that is provided with on adjusting cylinder 410's the piston rod, and regulating block 420 is rectangle and horizontal fixed connection at the lower terminal surface of rectangular plate 411.

Referring to fig. 4, an adjusting hole 421 horizontally penetrating the adjusting block 420 is formed on a side wall of the adjusting block 420, and the elastic member 430 includes a sliding rod 431 and a limiting spring 432; the horizontal sliding of slide bar 431 is installed in adjusting hole 421, and the fixed push pedal 433 that is provided with the rectangle of one end of slide bar 431, push pedal 433 horizontal sliding are installed in adjusting hole 421, and spacing spring 432 cover is established on slide bar 431, and spacing spring 432's one end and push pedal 433 fixed connection, spacing spring 432's the other end fixed connection are on the pore wall of adjusting hole 421.

Referring to fig. 4, the feeding mechanism 200 further includes two rectangular limiting plates 230, the adjusting block 420 is worn out to the one end level that the slide bar 431 deviates from the push plate 433, two limiting plates 230 are rectangular, two limiting plates 230 are respectively vertical fixed connection and wear out the one end of adjusting block 420 at two slide bars 431, two limiting plates 230 all are located two relative one sides of adjusting block 420 to make two limiting plates 230 respectively butt on two sides of paper.

Referring to fig. 2, air nozzles 440 are fixedly disposed at both sides of the frame 100, the air nozzles 440 are connected to an air source, and the air nozzles 440 blow air toward the side of the uppermost paper.

The working principle of the feeding device of the four-color printing machine with the deviation correction function is as follows:

firstly, the lifting plate 210 is clamped and installed in the installation groove 121, then the two limiting rods 240 are horizontally installed in the two sliding grooves 211 in a sliding mode respectively, and when paper is stacked on the lifting plate 210, the side edges of the limiting rods 240 abut against the side edges of the paper, so that the paper is stacked on the lifting plate 210 in order.

Starting drive motor 221, drive motor 221 drives trace 225 and rotates, and trace 225 drives two sprocket 222 and rotates, and sprocket 222 drives chain 223 and rotates, and weight 224 makes chain 223 keep vertical state to make chain 223 pulling mounting panel 120 vertical movement, mounting panel 120 drive lifter plate 210 rebound, lifter plate 210 drives paper rebound, thereby makes the paper be close to first sucking disc 320.

The adjusting cylinder 410 is started, the adjusting cylinder 410 drives the rectangular plate 411 to move horizontally, the rectangular plate 411 drives the adjusting block 420 to move horizontally, the adjusting block 420 drives the sliding rod 431 and the limiting plate 230 to move horizontally close to the paper, the limiting plate 230 abuts against the side edge of the paper, the limiting plate 230 pushes the sliding rod 431 and the adjusting block 420 to move relatively, the sliding rod 431 pushes the push plate 433 to move, the push plate 433 stretches the limiting spring 432, the limiting spring 432 generates reverse acting force, and the limiting plate 230 abuts against the side edge of the paper.

And then, the lifting cylinder 310 is started, the lifting cylinder 310 drives the first suction tray 320 to move downwards and enable the first suction tray 320 to be in contact with the uppermost layer of paper, the first vacuum generator 330 draws air in the first suction tray 320 out, the first suction tray 320 sucks the paper, the lifting cylinder 310 drives the first suction tray 320 to move upwards, and the air nozzles 440 blow air to the side edges of the paper, so that air exists between two adjacent layers of paper, and the uppermost layer of paper can be lifted.

After the paper is lifted, the paper is in contact with the second suction cup 342, the second vacuum generator 343 pumps out air in the second suction cup 342, the second suction cup 342 sucks the paper, the first vacuum generator 330 charges air into the first suction cup 320, the first suction cup 320 is separated from the paper, the air cylinder 341 is pushed to drive the paper to move towards the printing machine, and the limiting plate 230 limits the moving direction of the paper, so that the paper enters the four-color printing machine according to a correct posture.

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 four-color printing machine's loading attachment that area was rectified, includes frame (100), its characterized in that: be provided with feed mechanism (200) on frame (100), feed mechanism (200) include lifter plate (210), two limiting plates (230), drive assembly (220) and material loading subassembly (300), lifter plate (210) vertical slip is installed in frame (100), two the relative both sides in frame (100) are installed respectively to limiting plate (230), limiting plate (230) are used for adjusting the position that the paper got into the printing machine, drive assembly (220) are installed in frame (100) and drive lifter plate (210) vertical slip, material loading subassembly (300) are installed in frame (100) and drive the sola paper gets into the printing machine.

2. The feeding device of the four-color printing machine with the deviation correction function according to claim 1, characterized in that: frame (100) relative both sides all are provided with adjusting part (400), adjusting part (400) are including adjusting cylinder (410), regulating block (420) and elastic component (430), adjusting cylinder (410) horizontal installation is in frame (100), regulating block (420) are installed on the piston rod of adjusting cylinder (410), two limiting plate (230) slide respectively and are installed on two regulating block (420), elastic component (430) are installed on regulating block (420) and are connected with limiting plate (230).

3. The feeding device of the four-color printing machine with the deviation correction function according to claim 2, characterized in that: elastic component (430) are including slide rod (431) and spacing spring (432), slide rod (431) horizontal slip is installed on regulating block (420), limiting plate (230) are installed on slide rod (431), spacing spring (432) are installed on regulating block (420) and are connected with slide rod (431), limiting plate (230) support the side at the paper under the effect of spacing spring (432).

4. The feeding device of the four-color printing machine with the deviation correction function according to claim 1, characterized in that: the both sides of lifter plate (210) up end all set up the groove (211) that slides that are parallel to each other, the both sides that lifter plate (210) is relative all are provided with gag lever post (240), two gag lever post (240) horizontal slip respectively install in two grooves (211) that slide, gag lever post (240) and the side butt of paper.

5. The feeding device of the four-color printing machine with the deviation correction function according to claim 4, characterized in that: the side wall of the limiting rod (240) is provided with a supporting plate (241), and the supporting plate (241) is abutted to the upper end face of the lifting plate (210).

6. The feeding device of the four-color printing machine with the deviation correction function according to claim 1, characterized in that: the feeding assembly (300) comprises a lifting cylinder (310), a first suction cup (320), a first vacuum generator (330) and a feeding piece (340), wherein the lifting cylinder (310) is installed on the rack (100), the first suction cup (320) is installed on a piston rod of the lifting cylinder (310) and located above paper, the first vacuum generator (330) is installed on the rack (100) and connected with the first suction cup (320), the first suction cup (320) lifts single paper under the action of the first vacuum generator (330), and the feeding piece (340) is installed on the rack (100) and pushes the lifted paper to enter the printing machine.

7. The feeding device of the four-color printing machine with the deviation correction function according to claim 6, characterized in that: the feeding piece (340) comprises a pushing cylinder (341), a second suction cup (342) and a second vacuum generator (343), the pushing cylinder (341) is horizontally arranged on the rack (100) and located above the paper, the second suction cup (342) is arranged on a piston rod of the pushing cylinder (341), the second vacuum generator (343) is arranged on the rack (100) and connected with the second suction cup (342), and the second suction cup (342) sucks the lifted paper under the action of the second vacuum generator (343).

8. The feeding device of the four-color printing machine with the deviation correction function according to claim 1, characterized in that: an air nozzle (440) connected with an air source is arranged on the rack (100), and the air nozzle (440) is aligned to the side edge of the paper.

9. The feeding device of the four-color printing machine with the deviation correction function according to claim 1, characterized in that: the driving assembly (220) comprises a driving motor (221), a chain wheel (222), a chain (223) and a weight (224), wherein the driving motor (221) is horizontally installed on the rack (100), the chain wheel (222) is coaxially installed on an output shaft of the driving motor (221), the chain (223) is installed on the chain wheel (222) in a meshed mode, one end of the chain (223) is connected with the lifting plate (210), and the weight (224) is vertically installed on the rack (100) in a sliding mode and is connected with the other end of the chain (223).