CN212422520U - Feeding mechanism of offset press - Google Patents
Feeding mechanism of offset press Download PDFInfo
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- CN212422520U CN212422520U CN202020985088.8U CN202020985088U CN212422520U CN 212422520 U CN212422520 U CN 212422520U CN 202020985088 U CN202020985088 U CN 202020985088U CN 212422520 U CN212422520 U CN 212422520U
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Abstract
The utility model discloses an offset press feed mechanism, which comprises a frame, the top of frame bottom has set gradually places platform, transmission device and offset press, it is used for placing the paper to place the platform, the top of placing the platform is provided with vertical suction means and horizontal suction means, horizontal suction means is located between vertical suction means and the transmission device is close to it draws swager to be provided with first directly over the one end of placing the platform, transmission device keeps away from place the one end of platform with offset press's feed inlet is corresponding. Through the utility model discloses a set up vertical suction means, horizontal suction means and transmission device, can make things convenient for uninterruptedly in succession to carry out the feed to offset press, improved offset press's printing efficiency.
Description
Technical Field
The utility model relates to an offset press equipment technical field especially relates to an offset press feed mechanism.
Background
The offset press is one kind of offset press, the printing picture and text is printed on the rubber cylinder from the printing plate first during printing, then transfer to the paper by the rubber cylinder, the offset press is divided into single-sheet offset press and web offset press according to the different paper feeding modes, the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color press, the printing press can be divided into small offset press, six-opening, four-opening, split and full-sheet press according to the maximum paper breadth of the printing, in addition, a double-side press capable of completing two-side printing by one-time paper feeding is also provided, the single-sheet offset press is an offset press, is used for printing high-grade commercial prints and packaging prints, and is the mainstream of modern paper printing.
However, in the prior art, when the offset press feeds the plate material, the feeding is inconvenient, the feeding needs to be carried out manually, and the operation is very complicated.
Disclosure of Invention
The not enough to above-mentioned prior art, the utility model provides an offset press feed mechanism solves above-mentioned problem.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an offset press feed mechanism, includes the frame, the top of frame bottom has set gradually places platform, transport mechanism and offset press, it is used for placing the paper to place the platform, the top of placing the platform is provided with vertical suction means and horizontal suction means, horizontal suction means is located between vertical suction means and the transport mechanism is close to place the platform one end be provided with first drawing swager constructs directly over, transport mechanism keeps away from place the platform one end with the feed inlet of offset press is corresponding.
In this technical scheme, vertical suction means will place the paper absorption of placing the bench, then horizontal suction means absorbs the paper, and immediately, vertical suction means stops the absorption to the paper, and horizontal suction means transports the paper level to transport mechanism, simultaneously, draws swager to compress tightly the paper that is close to the one end of placing the platform at transport mechanism.
As an optimization, the lower surface of the top of the rack is fixedly connected with a first connecting block, the first connecting block is located above the placing table, the vertical suction mechanism comprises a first cylinder which is fixedly connected below the first connecting block and vertically arranged downwards, the lower end of a piston rod of the first cylinder is fixedly connected with a second connecting block, the lower surface of the second connecting block is fixedly connected with a first suction nozzle, a first suction pipe (not marked in the figure) penetrates through the second connecting block from top to bottom, and the first suction nozzle is connected with the first suction pipe.
Therefore, one end of the first suction pipe is connected with the first suction nozzle, the other end of the first suction pipe is connected with the first air extraction device, the piston rod of the first air cylinder moves downwards to drive the first suction nozzle to move downwards, meanwhile, the first air extraction device extracts air to suck the paper through the first suction nozzle, and immediately, the piston rod of the first air cylinder moves upwards to drive the paper to move upwards.
Preferably, the transverse suction mechanism comprises a horizontally arranged second cylinder fixedly connected below the first connecting block, a third connecting block is fixedly connected to one end, far away from a cylinder barrel of the second cylinder, of a piston rod of the second cylinder, a second suction nozzle is fixedly connected to the lower surface of the third connecting block, a second suction pipe (not marked in the figure) penetrates through the third connecting block from top to bottom, and the second suction nozzle is connected with the second suction pipe.
Therefore, one end of the second suction pipe is connected with the second suction nozzle, the other end of the second suction pipe is connected with the second air extraction device, when the piston rod of the first air cylinder moves downwards, the piston rod of the second air cylinder moves leftwards, when the vertical suction mechanism sucks up paper, the second air extraction device extracts air, the paper is sucked through the second suction nozzle, immediately, the first air extraction device stops extracting air, the first suction nozzle stops sucking air to the paper, and then the piston rod of the second air cylinder moves rightwards to drive the paper to move towards the transmission mechanism.
As optimization, transport mechanism includes first driving motor, conveyer belt and a plurality of first roller, the conveyer belt cover is established on the first roller, it is a plurality of first roller all with frame normal running fit is close to the first sprocket of one end fixedly connected with of offset press's first roller, first driving motor's output shaft fixedly connected with second sprocket (not sign in the figure), the second sprocket with first sprocket passes through chain drive and connects.
Therefore, the first driving motor rotates to drive the second chain wheel to rotate, and the first chain wheel is driven to rotate through the chain, so that the first roller shaft close to the offset press is driven to rotate, and the conveying belt is driven to move.
As an optimization, the first material pressing and pulling mechanism comprises a fourth connecting block fixed on the lower surface of the top of the rack, a third cylinder vertically and downwardly arranged is fixedly connected to the lower side of the fourth connecting block, a fifth connecting block is fixedly connected to the lower end of a piston rod of the third cylinder, a roller is fixedly connected to the lower side of the fifth connecting block, and the first roller is located right above a first roller shaft of the placing table.
Like this, when the paper reachs the top of being close to the first roller of placing the platform, the piston rod of third cylinder moves down, drives first gyro wheel downstream, and the conveyer belt removes, drives the paper and removes, simultaneously, drives first gyro wheel and rotates to compress tightly the paper between first gyro wheel and conveyer belt.
As an optimization, the automatic paper feeding device further comprises a second traction pressing mechanism, the second traction pressing mechanism is located above one end, close to the offset press, of the conveyor belt, the second traction pressing mechanism comprises a seventh connecting block fixed to the rack, a spring is fixedly connected to the lower end of the seventh connecting block, a sixth connecting block is fixedly connected to the lower end of the spring, a second roller is fixedly connected to the lower end of the sixth connecting block, a gap is formed between the second roller and the conveyor belt, and the gap is smaller than the thickness of paper.
Like this, the conveyer belt removes, and when the paper removed second roller department, the thickness of paper was greater than the distance in the clearance of second roller and conveyer belt, then when the paper contacted with the second roller, the spring shrink, and the second roller upwards moves for the paper compresses tightly between second roller and conveyer belt.
Preferably, the number of the first suction nozzles is two.
Thus, the suction force to the paper can be increased.
The utility model has the advantages that:
a offset press feed mechanism, through setting up vertical suction means, horizontal suction means and transport mechanism, can make things convenient for uninterruptedly in succession to carry out the feed to the offset press, improved offset press's printing efficiency.
Drawings
Fig. 1 is a schematic structural view of a feeding mechanism of a self-offset printing press according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is an enlarged schematic view of B in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention. The technical solutions in the embodiments of the present invention will be removed and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and the following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention and its application or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It is to be understood that the positional or orientational relationships indicated by the terms "front" and "back" and the like are generally based on the positional or orientational relationships shown in the drawings and are merely for convenience in describing the present invention and to simplify the description, and in the absence of a contrary indication, these positional or orientational terms do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1-3, an offset printing machine feeding mechanism includes a frame 1, a placing table 3, a conveying mechanism and an offset printing machine 2 are sequentially arranged above the bottom of the frame 1, the placing table 3 is used for placing paper 21, a vertical suction mechanism and a horizontal suction mechanism are arranged above the placing table 3, the horizontal suction mechanism is located between the vertical suction mechanism and the conveying mechanism, a first traction material pressing mechanism is arranged right above one end of the conveying mechanism close to the placing table 3, and one end of the conveying mechanism far away from the placing table 3 corresponds to a feed port of the offset printing machine 2. The feed inlet of the offset press can be provided with a second conveying belt, and the upper surface of the second conveying belt and the upper surface of the first conveying belt are positioned on the same horizontal plane.
Like this, vertical suction means will place and absorb the paper of placing the bench, paper in this application is the hard board, specifically be medicine packaging box paper material, when vertical suction means absorbs the paper, the paper can not be crooked, then horizontal suction means absorbs the paper, immediately, vertical suction means stops the absorption to the paper, horizontal suction means transports the paper level to transport mechanism, then stop the absorption to the paper, meanwhile, pull swager and pull the paper that is close to the one end of placing the platform at transport mechanism and pull and compress tightly, transport mechanism transmits the paper to offset press's feed inlet, then vertical suction means absorbs the paper downwards again.
In this embodiment, a first connecting block 4 is fixedly connected to a lower surface of the top of the frame 1, the first connecting block 4 is located above the placing table 3, the vertical suction mechanism includes a first cylinder 5 which is fixedly connected below the first connecting block 4 and is vertically arranged downwards, a second connecting block 6 is fixedly connected to a lower end of a piston rod of the first cylinder 5, a first suction nozzle 7 is fixedly connected to a lower surface of the second connecting block 6, the second connecting block 6 is vertically penetrated, a first suction pipe (not identified in the figure) is arranged on the second connecting block 6, and the first suction nozzle 7 is connected with the first suction pipe. A first pressure sensor can be arranged between the second connecting block and the piston rod of the first air cylinder, so that when the first suction nozzle touches paper, the first pressure sensor receives a signal and transmits the signal to the controller, and the controller can control the piston rod of the first air cylinder to stop moving downwards. One end of the first suction pipe is connected with the first suction nozzle, the other end of the first suction pipe is connected with the first inflation and deflation equipment, a piston rod of the first air cylinder moves downwards to drive the first suction nozzle to move downwards, meanwhile, the first air pumping and inflation equipment pumps air to suck paper through the first suction nozzle, and immediately, the piston rod of the first air cylinder moves upwards to drive the paper to move upwards.
In this embodiment, the transverse sucking mechanism includes a second cylinder 8 fixedly connected below the first connecting block 4 and horizontally arranged, one end of a piston rod of the second cylinder 8, which is far away from a cylinder barrel of the second cylinder 8, is fixedly connected with a third connecting block 9, a second suction nozzle 10 is fixedly connected to a lower surface of the third connecting block 9, a second suction pipe (not identified in the figure) is arranged to penetrate through the third connecting block 9 from top to bottom, and the second suction nozzle 10 is connected with the second suction pipe.
Like this, the one end and the second suction nozzle of second straw, the other end is connected with second suction equipment, when the piston rod downstream of first cylinder, the piston rod of second cylinder moves left, when vertical suction mechanism absorbs the paper and comes to a take the altitude (this height is the height of second suction nozzle lower surface, can set up the height of the piston rod upward movement of first cylinder according to the height of second suction nozzle lower surface, this is prior art, no longer give details), second suction inflation equipment bleeds, hold the paper through the second suction nozzle, immediately, first suction inflation equipment aerifys, first suction nozzle stops breathing in the paper, then, the piston rod of second cylinder moves right, drive the paper and remove to transmission device. The first air pumping and inflating device and the second air pumping and inflating device can adopt conventional air pumping and inflating devices on the market, such as an air pump with the model number of AP-104E integrated with inflation and deflation. Because the piston rod of second cylinder second suction nozzle absorbs the paper again behind the leftward motion, consequently, when the second suction nozzle absorbed the paper, absorb the middle part of paper rather than the extreme right tip of paper, when the second cylinder moved right and made the paper get into transmission device, the second cylinder can not collide with first material pressing mechanism that draws. Or the second cylinder and the first traction pressing mechanism are arranged in a staggered mode, and the second cylinder and the first traction pressing mechanism can be prevented from colliding.
In this embodiment, transport mechanism includes first driving motor 23, conveyer belt 15 and a plurality of first roller 16, conveyer belt 15 cover is established on first roller 16, and is a plurality of first roller 16 all with frame 1 normal running fit is close to offset press 2's the first sprocket 22 of one end fixedly connected with of first roller 16, the output shaft fixedly connected with second sprocket (not sign in the figure) of first driving motor 23, the second sprocket with first sprocket 22 passes through chain 24 transmission and is connected.
Therefore, the first driving motor rotates to drive the second chain wheel to rotate, and the first chain wheel is driven to rotate through the chain, so that the first roller shaft close to the offset press is driven to rotate, and the conveying belt is driven to move.
In this embodiment, the first material pressing mechanism that pulls is including fixing fourth connecting block 11 of 1 top lower surface of frame, the vertical third cylinder 12 that sets up downwards of below fixedly connected with of fourth connecting block 11, the lower extreme fixedly connected with fifth connecting block 13 of the piston rod of third cylinder 12, the below fixedly connected with gyro wheel 14 of fifth connecting block 13, first gyro wheel 14 is located and is close to directly over place the first roller 16 of platform 3. A second pressure sensor can be arranged between a piston rod of the third air cylinder and the fifth connecting block, when the first roller contacts with paper, the second pressure sensor receives a signal and transmits the signal to the controller, and the controller controls the piston rod of the third air cylinder to stop moving downwards. When the paper reachs the top of being close to the first roller of placing the platform, the piston rod of third cylinder moves down, drives first gyro wheel downstream, and the conveyer belt removes, drives the paper and removes, simultaneously, drives first gyro wheel and rotates to compress tightly the paper between first gyro wheel and conveyer belt. The number of the first rollers can be two, and the second cylinder and the first traction pressing mechanism are arranged in a staggered manner, so that the second cylinder is positioned on a perpendicular bisector of a connecting line of the two first rollers in the plan view of fig. 1.
In this embodiment, still include the second and pull the swager structure, the second pulls the swager structure to be located conveyer belt 15 is close to the top of 2 one ends of offset press, the second pulls the swager structure including fixing seventh connecting block 17 in frame 1, the lower extreme fixedly connected with spring 18 of seventh connecting block 17, the lower extreme fixedly connected with sixth connecting block 19 of spring 18, the lower extreme fixedly connected with second gyro wheel 20 of sixth connecting block 19, second gyro wheel 20 with there is the clearance between the conveyer belt 15, and the clearance is less than the thickness of paper.
Like this, the conveyer belt removes, and when the paper removed second roller department, the thickness of paper is greater than the distance in the clearance of second roller and conveyer belt, when the paper contacted with the second roller, can make the spring shrink, and the second roller upwards moves for the paper compresses tightly between second roller and conveyer belt. The first roller and the second roller are made of stainless steel materials, the conveyor belt can be made of a belt, and therefore friction between paper and the belt can be increased, when the first roller and the second roller contact the paper, the paper cannot be moved away due to small friction with the belt, and pressing of the first roller and the second roller on the belt is guaranteed.
In this embodiment, two first nozzles 7 are provided.
Thus, the suction force to the paper can be increased.
First cylinder, second cylinder, third cylinder, first pressure sensor, second pressure sensor, motor all are connected with the controller electricity, and the controller can adopt PLC controller or ARM controller, and the first cylinder of controller control, second cylinder, third cylinder, first pressure sensor, second pressure sensor motor are conventional setting, just no longer has been repeated here.
The present invention relates to a feed mechanism for offset printing machines, and more particularly to a feed mechanism for offset printing machines, which is not limited to the embodiments described in the claims.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (7)
1. The utility model provides an offset press feed mechanism, includes frame (1), its characterized in that, the top of frame (1) bottom has set gradually places platform (3), transport mechanism and offset press (2), place platform (3) and be used for placing paper (21), the top of placing platform (3) is provided with vertical suction means and horizontal suction means, horizontal suction means is located between vertical suction means and the transport mechanism is close to be provided with first material pressing mechanism that pulls directly over the one end of placing platform (3), transport mechanism keeps away from place the one end of platform (3) with the feed inlet of offset press (2) is corresponding.
2. The feeding mechanism of the offset printing machine according to claim 1, wherein a first connecting block (4) is fixedly connected to the lower surface of the top of the frame (1), the first connecting block (4) is located above the placing table (3), the vertical suction mechanism comprises a first cylinder (5) which is fixedly connected below the first connecting block (4) and is vertically arranged downwards, a second connecting block (6) is fixedly connected to the lower end of a piston rod of the first cylinder (5), a first suction nozzle (7) is fixedly connected to the lower surface of the second connecting block (6), a first suction pipe is arranged to penetrate through the second connecting block (6) from top to bottom, and the first suction nozzle (7) is connected with the first suction pipe.
3. The feeding mechanism of the offset printing machine according to claim 1, wherein the transverse sucking mechanism comprises a horizontally arranged second cylinder (8) fixedly connected below the first connecting block (4), one end of a piston rod of the second cylinder (8) far away from a cylinder barrel of the second cylinder (8) is fixedly connected with a third connecting block (9), a second suction nozzle (10) is fixedly connected to the lower surface of the third connecting block (9), a second suction pipe is arranged vertically through the third connecting block (9), and the second suction nozzle (10) is connected with the second suction pipe.
4. The feeding mechanism of the offset printing machine as claimed in claim 1, wherein the conveying mechanism comprises a first driving motor (23), a conveying belt (15) and a plurality of first roller shafts (16), the conveying belt (15) is sleeved on the first roller shafts (16), the first roller shafts (16) are in running fit with the frame (1), a first chain wheel (22) is fixedly connected to one end of the first roller shaft (16) close to the offset printing machine (2), a second chain wheel is fixedly connected to an output shaft of the first driving motor (23), and the second chain wheel is in transmission connection with the first chain wheel (22) through a chain (24).
5. The feeding mechanism of the offset printing machine according to claim 1, wherein the first drawing and pressing mechanism comprises a fourth connecting block (11) fixed on the lower surface of the top of the frame (1), a third cylinder (12) arranged vertically downward is fixedly connected below the fourth connecting block (11), a fifth connecting block (13) is fixedly connected to the lower end of a piston rod of the third cylinder (12), a first roller (14) is fixedly connected below the fifth connecting block (13), and the roller (14) is located right above a first roller shaft (16) close to the placing table (3).
6. The feeding mechanism of the offset printing machine according to claim 4, further comprising a second traction pressing mechanism, wherein the second traction pressing mechanism is positioned above one end of the conveyor belt (15) close to the offset printing machine (2), the second traction pressing mechanism comprises a seventh connecting block (17) fixed on the frame (1), a spring (18) is fixedly connected to the lower end of the seventh connecting block (17), a sixth connecting block (19) is fixedly connected to the lower end of the spring (18), and a second roller (20) is fixedly connected to the lower end of the sixth connecting block (19).
7. An offset printing machine feed mechanism according to claim 2, characterized in that said first suction nozzle (7) is provided in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985088.8U CN212422520U (en) | 2020-06-02 | 2020-06-02 | Feeding mechanism of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985088.8U CN212422520U (en) | 2020-06-02 | 2020-06-02 | Feeding mechanism of offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212422520U true CN212422520U (en) | 2021-01-29 |
Family
ID=74269416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985088.8U Expired - Fee Related CN212422520U (en) | 2020-06-02 | 2020-06-02 | Feeding mechanism of offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212422520U (en) |
-
2020
- 2020-06-02 CN CN202020985088.8U patent/CN212422520U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |