CN211140966U - Deviation correcting device for adjusting paper conveying direction on printing machine - Google Patents
Deviation correcting device for adjusting paper conveying direction on printing machine Download PDFInfo
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- CN211140966U CN211140966U CN201922071497.7U CN201922071497U CN211140966U CN 211140966 U CN211140966 U CN 211140966U CN 201922071497 U CN201922071497 U CN 201922071497U CN 211140966 U CN211140966 U CN 211140966U
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000001154 acute effect Effects 0.000 claims abstract description 6
- 230000007723 transport mechanism Effects 0.000 claims description 19
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of printing equipment, in particular to a deviation correcting device for adjusting the paper conveying direction on a printing machine, which comprises a base frame, two groups of conveying mechanisms for conveying paper, two groups of distance adjusting mechanisms for adjusting the two groups of conveying mechanisms and two groups of deviation correcting mechanisms for adjusting the paper conveying direction; the deviation rectifying mechanism comprises a deviation rectifying plate, two deviation rectifying rollers and a deviation rectifying motor for driving the two deviation rectifying rollers, the deviation rectifying plate is flush with the upper conveying belt, the deviation rectifying rollers are driven by the deviation rectifying motor and attached to the deviation rectifying rollers, and the included angle between the movement direction of the positions, in which the deviation rectifying rollers are in contact with the deviation rectifying plates, and the conveying direction of the conveying belt is an acute angle. The utility model aims at providing a deviation correcting device who is used for adjusting paper direction of transportation on the printing machine that can adjust paper direction of transfer.
Description
Technical Field
The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to a deviation correcting device who is used for adjusting paper direction of transportation on the printing machine.
Background
A printer is a machine that prints text and images. Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.
The printing machine prints after feeding paper, and during the conveying process, the paper may shift during the conveying process, which may cause the printed patterns and characters to shift during the printing process of the paper, so that the printing quality is poor and even the printing waste occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deviation correcting device who is used for adjusting paper direction of transportation on the printing machine that can adjust paper direction of delivery.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
A deviation correcting device for adjusting the paper conveying direction on a printing machine comprises a base frame, two groups of conveying mechanisms for conveying paper, two distance adjusting mechanisms for adjusting the two groups of conveying mechanisms and two groups of deviation correcting mechanisms for adjusting the paper conveying direction;
The conveying mechanism comprises two conveying wheels and a conveying belt, the conveying belt is tensioned between the two conveying wheels, the conveying belt located between the highest points of the two conveying wheels is an upper conveying belt, the conveying belt located between the lowest points of the two conveying wheels is a lower conveying belt, one conveying wheel is connected with a driving motor, the driving motor drives the conveying wheels to rotate, two sliding plates are arranged on the base frame, and the conveying mechanism is fixedly connected to the sliding plates.
The mechanism of rectifying is including rectifying the motor of rectifying of board, two rollers of rectifying and two rollers of driving of rectifying, rectify the board with go up the conveyer belt parallel and level, rectify the roller and pass through motor drive rectifies, rectify the roller with rectify the roller laminating, rectify the roller with the direction of motion of the position of rectifying the board contact with the direction of motion's of conveyer belt contained angle is the acute angle.
By adopting the technical scheme, before the deviation correcting device used for adjusting the paper conveying direction on the printing machine is used, the distance between the two groups of conveying mechanisms is adjusted by the distance adjusting mechanism according to the width of the printed paper until the paper is just fully paved with the two conveying belts; then start driving motor and the motor of rectifying, the paper transports to the printing process under the drive of conveyer belt, and when the paper squinted to both sides, because the direction of motion of the position of rectifying roller and the contact of rectifying board and the contained angle of the direction of transfer of conveyer belt are the acute angle, promote the paper toward the centre to make the paper return, thereby reach the effect of rectifying, make the paper be in the correct position before getting into the printing, thereby it is unqualified to reduce to appear because the paper squints leads to the printing.
The utility model discloses further set up to: and the outer wall of the deviation rectifying roller is sleeved with a rubber cushion layer.
Through adopting above-mentioned technical scheme, through increasing the rubber cushion for difficult skidding, the conveying of the paper of being convenient for between paper and the rectification roller.
The utility model discloses further set up to: the deviation rectifying mechanism further comprises a limiting plate, and the limiting plate is located behind the deviation rectifying plate along the conveying direction of the paper and attached to the side edge of the conveying belt.
Through adopting above-mentioned technical scheme, after the paper returns just, through setting up the limiting plate for the unable skew toward both sides of paper, thereby make the paper return difficult skew once more after just.
The utility model discloses further set up to: the transfer gear that driving motor connects is the drive wheel, and another transfer gear is for following the driving wheel, the drive wheel is towards the lateral wall fixedly connected with axis of rotation of the transfer gear on another set of transport mechanism, the axis of rotation still set up in just right the drive wheel on the transfer gear, the protruding stopper that has on the axis of rotation lateral wall, two the axis of rotation outer wall has cup jointed with the axle sleeve, with the sunken spacing groove with stopper cooperation joint of axle sleeve inner wall.
Through adopting above-mentioned technical scheme, when the drive wheel pivoted, the drive wheel drives the axis of rotation and rotates, and coaxial cover drives two axis of rotation and rotates together to make two drive wheels rotate together, guarantee the normal conveying of paper, simultaneously, only need a driving motor to drive two sets of transport mechanism motion, practice thrift the cost.
The utility model discloses further set up to: the distance adjusting mechanism comprises a distance adjusting screw rod, the distance adjusting screw rod is rotationally connected with the sliding plate, and the distance adjusting screw rod penetrates through the base frame and is in threaded fit with the base frame.
Through adopting above-mentioned technical scheme, when the distance of two sets of transport mechanism is adjusted to needs, rotatory roll adjustment screw rod, the roll adjustment screw rod moves along the axis direction to drive the sliding plate and remove, and then adjust the distance between two sets of transport mechanism, choose this kind of mode for use to carry out the roll adjustment, the operation of being convenient for is simultaneously through the screw thread roll adjustment, the control distance of being convenient for.
The utility model discloses further set up to: the distance adjusting mechanism further comprises two guide rods, two guide holes are formed in the base frame and located on two sides of the distance adjusting screw rod, and the guide rods penetrate through the guide holes and are fixedly connected with the sliding plate.
Through adopting above-mentioned technical scheme, through setting up the guide post, lead to the slip that transport mechanism goes on for transport mechanism slides and makes and be difficult for taking place to deflect.
The utility model discloses further set up to: and a sliding wheel is arranged below the sliding plate.
Through adopting above-mentioned technical scheme, through addding the movable pulley for transport mechanism is convenient for slide, is convenient for operate the distance between the regulation transport mechanism.
The utility model discloses further set up to: the base frame is provided with a sliding groove matched with the sliding wheel to slide.
Through adopting above-mentioned technical scheme, the sliding tray leads and spacing to the movable pulley for the movable pulley can only slide towards a direction, makes transport mechanism slide and makes difficult emergence deflection.
The utility model discloses further set up to: and a graduated scale for observing the distance between the two groups of conveying mechanisms is arranged on the base frame.
Through adopting above-mentioned technical scheme, when adjusting the distance between two transport mechanism, confirm the distance between two transport mechanism through the scale of observing the scale, the operating personnel of being convenient for carries out the roll adjustment operation.
To sum up, the utility model discloses a following at least one useful technological effect:
1. When the paper deviates, the paper conveying direction is adjusted, so that the effect of deviation correction is achieved, the paper is in the correct position before entering printing, and unqualified printing caused by the deviation of the paper is reduced;
2. Set up the limiting plate for the unable skew toward both sides of paper, thereby make the difficult skew once more after the paper returns to just.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the conveying mechanism and the deviation correcting mechanism of the present invention;
FIG. 3 is a schematic structural diagram of the deviation correcting mechanism of the present invention;
Fig. 4 is a sectional view of the present invention showing the engagement state of the rotating shaft and the coaxial sleeve;
Fig. 5 is a schematic structural diagram of the distance adjusting mechanism of the present invention.
In the figure, 1, a base frame; 11. a sliding plate; 111. a sliding wheel; 12. a guide hole; 13. a sliding groove; 2. a transport mechanism; 21. a transfer wheel; 211. a drive wheel; 2111. a rotating shaft; 2112. a limiting block; 212. a driven wheel; 22. a conveyor belt; 221. uploading a conveyor belt; 222. a lower conveyor belt; 23. a drive motor; 24. the same shaft sleeve; 241. a limiting groove; 3. a deviation rectifying mechanism; 31. a deviation rectifying plate; 32. a deviation rectifying roller; 321. a rubber cushion layer; 33. a deviation rectifying motor; 34. a limiting plate; 4. a distance adjusting mechanism; 41. adjusting the pitch of the screw rod; 42. a guide bar; 5. a graduated scale.
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 deviation correcting device for adjusting paper direction of transportation on printing machine, including bed frame 1, still including two sets of transport mechanism 2 that are used for conveying the paper, the mechanism 3 of rectifying of direction of transportation that is used for adjusting two sets of transport mechanism 2's roll adjustment mechanism 4 and two sets of regulation papers.
The base frame 1 is provided with a graduated scale 5 for observing the distance between the two groups of conveying mechanisms 2. When adjusting the distance between two transport mechanism 2, confirm the distance between two transport mechanism 2 through the scale of observing scale 5, the operating personnel of being convenient for carries out the roll adjustment operation.
Referring to fig. 1 and 2, the conveying mechanism 2 includes two conveying wheels 21 and a conveying belt 22, the conveying belt 22 is tensioned between the two conveying wheels 21, the conveying belt 22 located between the highest points of the two conveying wheels 21 is an upper conveying belt 221, the conveying belt 22 located between the lowest points of the two conveying wheels 21 is a lower conveying belt 222, one of the conveying wheels 21 is connected with a driving motor 23, the driving motor 23 drives the conveying wheel 21 to rotate, two sliding plates 11 are slidably connected to the base frame 1, four support plates are fixedly connected to the upper end faces of the sliding plates 11, and the conveying mechanism 2 is fixedly connected to the sliding plates 11 through the four support plates.
The transmission wheel 21 connected with the driving motor 23 is a driving wheel 211, the other transmission wheel 21 is a driven wheel 212, and a rotating shaft 2111 is fixedly connected to the side wall of the transmission wheel 21 facing to the other group of transmission mechanisms 2 of the driving wheel 211.
Referring to fig. 2 and 3, the deviation correcting mechanism 3 includes a deviation correcting plate 31, two deviation correcting rollers 32 and a deviation correcting motor 33 for driving the two deviation correcting rollers 32, the deviation correcting plate 31 is flush with the upper conveyor belt 221, the deviation correcting rollers 32 are driven by the deviation correcting motor 33, the outer walls of the deviation correcting rollers 32 are sleeved with rubber cushion layers 321, and the rubber cushion layers 321 enable paper and the deviation correcting rollers 32 not to slip easily, so that the paper is conveyed conveniently. The deviation rectifying roller 32 is attached to the deviation rectifying roller 32, and the moving direction of the position where the deviation rectifying roller 32 contacts the deviation rectifying plate 31 and the conveying direction of the conveyor belt 22 form an acute angle.
The deviation correcting mechanism 3 further comprises a limiting plate 34, and the limiting plate 34 is located behind the deviation correcting belt along the conveying direction and just attached to the side edge of the conveying belt 22. The limiting plate 34 prevents the paper from shifting to two sides, so that the paper is not easy to shift again after being aligned.
Referring to fig. 1 and 4, the rotating shaft 2111 is further disposed on the conveying wheel 21 facing the driving wheel 211, a limiting block 2112 protrudes from a side wall of the rotating shaft 2111, a coaxial sleeve 24 is sleeved on an outer wall of the two rotating shafts 2111, and a limiting groove 241 engaged with the limiting block 2112 is recessed in an inner wall of the coaxial sleeve 24.
When the driving wheel 211 rotates, the driving wheel 211 drives the rotating shafts 2111 to rotate, and the two rotating shafts 2111 are driven by the same shaft sleeve 24 to rotate together, so that the two driving wheels rotate together, normal conveying of paper is guaranteed, meanwhile, only one driving motor 23 is needed to drive the two groups of conveying mechanisms 2 to move, and cost is saved.
Referring to fig. 1 and 5, the distance adjusting mechanism 4 includes a distance adjusting screw 41 and two guide rods 42, the distance adjusting screw 41 is rotatably connected with the sliding plate 11, and the distance adjusting screw 41 penetrates through the base frame 1 and is in threaded fit with the base frame 1; two guide holes 12 are opened on the base frame 1 at two sides of the distance adjusting screw 41, and the guide rod 42 penetrates through the guide holes 12 and is fixedly connected with the sliding plate 11.
When the distance between the two sets of conveying mechanisms 2 needs to be adjusted, the distance adjusting screw rod 41 is rotated, the distance adjusting screw rod 41 moves along the axis direction, so that the sliding plate 11 is driven to move, the distance between the two sets of conveying mechanisms 2 is adjusted, the distance adjustment is performed in such a way, the operation is convenient, and the distance is conveniently controlled by thread distance adjustment; the guide posts guide the sliding of the transport mechanism 2 so that the transport mechanism 2 slides so as not to be easily deflected.
Referring to fig. 2 and 5, four sliding wheels 111 are fixedly connected to the lower side of the sliding plate 11, and a sliding groove 13 for sliding the sliding wheels 111 is formed in the base frame 1. The sliding wheels 111 facilitate the sliding of the conveying mechanisms 2 and the operation and adjustment of the distance between the conveying mechanisms 2; the sliding groove 13 guides and limits the sliding wheel 111, so that the sliding wheel 111 can only slide towards one direction, and the conveying mechanism 2 slides to be not easy to deflect.
The implementation principle of the embodiment is as follows:
Before the deviation correcting device used for adjusting the paper conveying direction on the printing machine is used, the distance between the two groups of conveying mechanisms 2 is adjusted by the distance adjusting mechanism 4 according to the width of the printed paper until the paper is just fully paved with the two conveying belts 22; then start driving motor 23 and motor 33 of rectifying, the paper is transported to the printing process under the drive of conveyer belt 22, and when the paper squinted to both sides, because the contained angle of the direction of motion of the position of rectifying roller 32 and the contact of rectifying plate 31 and the direction of delivery of conveyer belt 22 is the acute angle, with paper toward the centre promotion, thereby make the paper just back, thereby reach the effect of rectifying, make the paper be in the correct position before getting into the printing, thereby it is unqualified to reduce to appear because the paper squints leads to printing.
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 (9)
1. The utility model provides a deviation correcting device for adjusting paper direction of transportation on printing machine, includes bed frame (1), its characterized in that: the paper feeding device also comprises two groups of conveying mechanisms (2) for conveying paper, distance adjusting mechanisms (4) for adjusting the two groups of conveying mechanisms (2) and two groups of deviation correcting mechanisms (3) for adjusting the conveying direction of the paper;
The conveying mechanism (2) comprises two conveying wheels (21) and a conveying belt (22), the conveying belt (22) is tensioned between the two conveying wheels (21), the conveying belt (22) located between the highest points of the two conveying wheels (21) is an upper conveying belt (221), the conveying belt (22) located between the lowest points of the two conveying wheels (21) is a lower conveying belt (222), one conveying wheel (21) is connected with a driving motor (23), the driving motor (23) drives the conveying wheels (21) to rotate, two sliding plates (11) are arranged on the base frame (1), and the conveying mechanism (2) is fixedly connected to the sliding plates (11);
Mechanism (3) of rectifying is including rectifying motor (33) of rectifying board (31), two rollers of rectifying (32) and two rollers of rectifying of drive (32), rectify board (31) with go up conveyer belt (221) parallel and level, rectify roller (32) and pass through motor (33) drive of rectifying, rectify roller (32) with rectify roller (32) laminating, rectify roller (32) with the direction of motion of the position of rectifying board (31) contact with the contained angle of the direction of transfer of conveyer belt (22) is the acute angle.
2. The deviation correcting device for adjusting the paper conveying direction on the printing machine according to claim 1, wherein: and a rubber cushion layer (321) is sleeved on the outer wall of the deviation rectifying roller (32).
3. The deviation correcting device for adjusting the paper conveying direction on the printing machine according to claim 1, wherein: the deviation rectifying mechanism (3) further comprises a limiting plate (34), wherein the limiting plate (34) is located behind the deviation rectifying plate (31) along the conveying direction of the paper and attached to the side edge of the conveying belt (22).
4. The deviation correcting device for adjusting the paper conveying direction on the printing machine according to claim 1, wherein: transfer gear (21) that driving motor (23) are connected is drive wheel (211), and another transfer gear (21) is for following driving wheel (212), drive wheel (211) are towards lateral wall fixedly connected with axis of rotation (2111) of transfer gear (21) on another group transport mechanism (2), axis of rotation (2111) still set up in just right drive wheel (211) on transfer gear (21), axis of rotation (2111) lateral wall epirelief has stopper (2112), two axis of rotation (2111) outer wall has cup jointed with axle sleeve (24), sunken have with stopper (2112) cooperation joint spacing groove (241).
5. The deviation correcting device for adjusting the paper conveying direction on the printing machine according to claim 1, wherein: the distance adjusting mechanism (4) comprises a distance adjusting screw rod (41), the distance adjusting screw rod (41) is rotationally connected with the sliding plate (11), and the distance adjusting screw rod (41) penetrates through the base frame (1) and is in threaded fit with the base frame (1).
6. The deviation correcting device for adjusting the paper conveying direction on the printing machine according to claim 5, wherein: the distance adjusting mechanism (4) further comprises two guide rods (42), two guide holes (12) are formed in the base frame (1) and located on two sides of the distance adjusting screw rod (41), and the guide rods (42) penetrate through the guide holes (12) and are fixedly connected with the sliding plate (11).
7. The deviation rectifying device for adjusting the paper transportation direction on the printing machine according to claim 6, wherein: a sliding wheel (111) is arranged below the sliding plate (11).
8. The deviation rectifying device for adjusting the paper transportation direction on the printing machine according to claim 7, wherein: the base frame (1) is provided with a sliding groove (13) matched with the sliding wheel (111) to slide.
9. The apparatus according to any one of claims 1 to 8, wherein the deviation correcting device for adjusting the paper transport direction comprises: and a graduated scale (5) for observing the distance between the two groups of conveying mechanisms (2) is arranged on the base frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071497.7U CN211140966U (en) | 2019-11-26 | 2019-11-26 | Deviation correcting device for adjusting paper conveying direction on printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071497.7U CN211140966U (en) | 2019-11-26 | 2019-11-26 | Deviation correcting device for adjusting paper conveying direction on printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211140966U true CN211140966U (en) | 2020-07-31 |
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ID=71772663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922071497.7U Expired - Fee Related CN211140966U (en) | 2019-11-26 | 2019-11-26 | Deviation correcting device for adjusting paper conveying direction on printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211140966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653411A (en) * | 2023-07-20 | 2023-08-29 | 苏州同里印刷科技股份有限公司 | Paper deviation correcting device and deviation correcting method for printing process |
| CN117803688A (en) * | 2024-02-29 | 2024-04-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Belt transmission system with active tension control function |
-
2019
- 2019-11-26 CN CN201922071497.7U patent/CN211140966U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653411A (en) * | 2023-07-20 | 2023-08-29 | 苏州同里印刷科技股份有限公司 | Paper deviation correcting device and deviation correcting method for printing process |
| CN116653411B (en) * | 2023-07-20 | 2023-09-29 | 苏州同里印刷科技股份有限公司 | Paper deviation correcting device and deviation correcting method for printing process |
| CN117803688A (en) * | 2024-02-29 | 2024-04-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Belt transmission system with active tension control function |
| CN117803688B (en) * | 2024-02-29 | 2024-05-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Belt transmission system with active tension control function |
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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: 20200731 |