CN211366445U - Digital printing system capable of adjusting tension - Google Patents
Digital printing system capable of adjusting tension Download PDFInfo
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- CN211366445U CN211366445U CN201922030104.8U CN201922030104U CN211366445U CN 211366445 U CN211366445 U CN 211366445U CN 201922030104 U CN201922030104 U CN 201922030104U CN 211366445 U CN211366445 U CN 211366445U
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Abstract
The utility model relates to a digital printing system that tension was adjusted can carry out, including the prepress system that carries out the design of proof, to carrying out the digital printing machine that prints according to received proof, locate the tension adjusting device that digital printing machine paper feed inlet and exit slot go out, the utility model discloses a tension adjusting device can accomplish the regulation operation by alone, and it is comparatively simple and convenient to possess the regulation, need not be equipped with unnecessary manpower, the effect of resource is saved in labour hour and time.
Description
Technical Field
The utility model relates to a lithography apparatus especially relates to a digital printing system that can carry out tension and adjust.
Background
Digital printing as a novel printing system has the advantages of simple process and low cost compared with the traditional printing system. And digital printing systems are generally classified into prepress systems and digital printers. The tension of paper can be adjusted generally by the existing digital printing machine, so that the paper can be better sprayed with printing ink in the printing process, and the printing quality is improved.
For example, a tension control device for a digital printer, publication No. CN208856560U, includes a housing and a control device, the control device is arranged in the shell and comprises a first fixed rotating roller, a second fixed rotating roller and a third fixed rotating roller, the first fixed rotating roller, the second fixed rotating roller and the third fixed rotating roller are sequentially arranged on the inner wall of the shell through bearings, a first fixed frame group is arranged between the first fixed rotating roller and the second fixed rotating roller, a second fixed frame group is arranged between the second fixed rotating roller and the third fixed rotating roller, the first fixed frame group and the second fixed frame group both comprise a first fixed rod, a second fixed rod and a movable rotating roller, moving blocks I are welded on two sides of the moving rotating roller, moving blocks II are welded at the bottoms of the moving blocks I through springs, and through grooves are formed in the fixed rods I and the fixed rods II.
According to the technical scheme, the movable block is moved manually through the nut for rotating the movable block to adjust the tension of the paper on a large scale, the movable block drives the movable rotating roller to move in the vertical direction, so that the tension of the paper is adjusted, the movable block at the two ends of the movable rotating roller is moved manually and must move simultaneously, two persons are matched to complete the movement, and the whole process is relatively labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out tension adjustment's digital printing system, it has the comparatively convenient effect of paper tension adjustment.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a digital printing system that can carry out tension regulation, is including the prepress system that carries out the design of original draft, to carrying out the digital printing machine that prints according to received original draft, locate the frame of digital printing machine feed inlet department, locate the frame and can carry out tension regulation's tension adjusting device to the paper, tension adjusting device includes along vertical direction sliding connection in the tension roller of frame, tension adjusting device includes that two rotate respectively connect in the frame double-phase to the lateral wall and can drive the tension screw rod that the tension roller both ends removed respectively, coaxial fixed connection respectively in two synchronizing wheels of two tension screw rod bottoms, transmission connect in two synchronizing wheels and be the horizontally hold-in range, locate the frame and can drive one of them synchronizing wheel pivoted control mechanism.
Through adopting above-mentioned technical scheme, control mechanism drives a synchronizing wheel and rotates, and this synchronizing wheel passes through the hold-in range and drives another synchronizing wheel and rotate for two synchronizing wheels rotate simultaneously, drive two synchronous screw rod synchronous rotations then, make tension roll both ends can move along vertical direction in step, make only by alone can the operation control mechanism accomplish tension regulation work, simplify operation process and labour saving and time saving.
The utility model discloses further set up to: the control mechanism comprises a vertical bevel gear, a horizontal bevel gear and a control knob, wherein the vertical bevel gear is coaxially and fixedly connected to the bottom of the tension screw rod, the horizontal bevel gear is rotatably connected to the rack and meshed with the vertical bevel gear, and the control knob is rotatably connected to the side face of the outer wall of the rack and can drive the horizontal bevel gear to rotate.
Through adopting above-mentioned technical scheme, rotate control knob, can drive the tension roller and reciprocate, it is very convenient.
The utility model discloses further set up to: the tension adjusting device is arranged at a paper inlet and a paper outlet of the digital printing machine.
Through adopting above-mentioned technical scheme, can carry out more smoothly to opening a book and the rolling work of paper, the paper can be printed better and rolled up better.
The utility model discloses further set up to: the frame includes that two rotate respectively around self corresponding one end and connect in the tension frame of frame both sides wall, and the turning point of tension frame is equipped with the torsional spring of two effect force ends butt respectively in tension frame and frame, and the tension screw rod both ends rotate respectively and connect in the both ends of tension frame, and the control knob rotates to be connected in the outer wall of tension frame towards the frame outside, and horizontal bevel gear rotates to be connected in tension frame.
Through adopting above-mentioned technical scheme, at the paper printing because the thickness difference of paper or from the slight change of aviation transmission speed and make the slight change of tension can adapt by the torsional spring and compensate for the tension of paper more tends to stably among the printing process, can not fluctuate at will, promotes printing quality.
The utility model discloses further set up to: one end of the tension frame, which is far away from the torsion spring, is rotatably connected with a pulley which is connected with the rack in a sliding manner.
Through adopting above-mentioned technical scheme, the pulley makes and rotates around the turning point with the tension frame more easily for the tension frame is more sensitive to the tension change of paper.
The utility model discloses further set up to: the outer roller which is coaxial with the tension roller and has a gap with the tension roller is inserted outside the tension roller, and tension springs with two ends respectively abutted against the inner wall of the outer roller and the outer wall of the tension roller are evenly arranged in the gap between the outer roller and the tension roller.
Through adopting above-mentioned technical scheme, when the tension of paper had comparatively slight change, several tension spring also can in time sense to make tension tend to stably through tension spring's flexible.
The utility model discloses further set up to: the outer roller inner wall and the tension roller inner wall are fixedly connected with spring cylinders pointing to the central axis of the tension roller, and the spring cylinders are inserted into the tension springs.
Through adopting above-mentioned technical scheme, the spring cylinder can ensure that tension spring both ends can not take place to remove, guarantees that each department of tension roller and outer roller receives tension spring's effort all to be equal, guarantees that outer roller and tension roller are with the central axis, guarantees that the paper can not make the tension of paper change among the process that the tension roller drove tension roller pivoted through the tension roller for the tension of paper tends towards stability more.
The utility model discloses further set up to: the circumferential surface of the outer roller is provided with a rubber layer.
Through adopting above-mentioned technical scheme, the rubber layer possesses certain deformability, and is big with the frictional force of paper for the paper drives the tension roller more easily and rotates, avoids paper and tension roller to take place sliding friction, causes wearing and tearing to the paper surface, influences the wearing and tearing quality of paper.
To sum up, the utility model discloses following beneficial effect has at least:
the two synchronous wheels are in transmission connection with a synchronous belt, so that an operator can drive the two ends of the movable roller to synchronously and vertically move through the control mechanism, the operation process is simplified, and time and labor are saved;
the rubber layer is arranged on the surface of the tension roller, so that the paper can better drive the tension roller to rotate, the paper and the power roller are prevented from sliding and rubbing, certain abrasion is caused on the surface of the paper, and the printing effect of the paper is influenced.
Drawings
Fig. 1 is a main structure view of the present invention.
Fig. 2 is a schematic structural view of the tension adjusting device.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a schematic structural view of the tension roller.
In the figure, 2, a digital printer; 3. a tension adjusting device; 31. a tension roller; 311. a rubber layer; 312. an outer roller; 313. a tension spring; 314. a tension block; 32. a tension screw; 321. a vertical bevel gear; 322. a horizontal bevel gear; 33. a synchronizing wheel; 34. a control knob; 36. a tension frame; 361. a pulley; 362. a screw channel; 363. a hinged lever; 37. a torsion spring; 38. a spring cylinder; 39. a synchronous belt; 5. a frame; 51. a tension frame groove.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a can carry out tension regulation's digital printing system, refers to fig. 1, including the prepress system that carries out the design of sample manuscript and the digital printing machine 2 that prints according to received sample manuscript, digital printing machine 2's paper feed inlet and exit slot department all are equipped with frame 5 and locate frame 5 and carry out the tension adjusting device 3 of mediating to paper tension, the utility model discloses a tension adjusting device 3 only can accomplish the tensile regulation of paper, simple and convenient and labour saving and time saving by alone.
Referring to fig. 1 and 2, the frame 5 includes two fan-shaped tension frame slots 51 respectively penetrating through two opposite vertical sidewalls of the frame 5, the two tension frame slots 51 are respectively slidably connected with two tension frames 36 having lower ends hinged at the center of the tension frame slots 51, as shown in fig. 3, a hinge rod 363 rotatably connected to the tension frame slots 51 and parallel to the width direction of the frame 5 is fixedly connected at the hinge point of the tension frame 36, the hinge rod 363 is inserted with a torsion spring 37 having two acting ends respectively abutting against the tension frame slots 51 and the tension frame 36, a pulley 361 slidably connected to the inner circular wall of the tension frame slot 51 is rotatably connected at the upper end of the tension frame 36, the tension adjusting device 3 includes a screw slot 362 provided inside the vertical side of the frame 5 and parallel to the length direction of the tension frame 36, the screw slot 362 is rotatably connected with a tension screw 32 parallel to the length direction of the screw slot 362, two tension screws 32 are in threaded connection with two tension blocks 314 moving along the length direction of the respective corresponding tension screw 32, the tension blocks 314 are in sliding connection with a screw groove 362 along the length direction of the screw groove 362, a tension roller 31 which is connected with the two tension blocks 314 in a rotating mode and is parallel to the width direction of the rack 5 is installed between the two tension blocks 314, as shown in a combined drawing 4, an outer roller 312 which has the same central axis with the tension roller 31 and has a certain gap with the tension roller 31 is inserted into the tension roller 31, a plurality of corresponding spring cylinders 38 pointing to the central axis of the outer roller 312 are uniformly and fixedly connected to the inner wall of the outer roller 312 and the outer wall of the tension roller 31 around the central axis of the outer roller 312, tension springs 313 with two ends respectively abutting against the inner wall of the outer roller 312 and the outer wall of the tension roller 31 are inserted into each two corresponding spring cylinders 38, and.
Referring to fig. 2 and 3, the bottom ends of the two tension screws 32 are coaxially and fixedly connected with synchronizing wheels 33, the distances between the two synchronizing wheels 33 and the bottom ends of the tension screws 32 are equal, a synchronizing belt 39 penetrating through the adjacent side surfaces of the two force frames 36 is connected between the two synchronizing wheels 33 in a transmission manner, the tension frames 36 are provided with a control mechanism capable of driving one tension screw 32 to rotate, the control mechanism comprises vertical bevel gears 321 coaxially and fixedly connected to the bottom ends of the tension screws 32, the vertical bevel gears 321 are meshed with horizontal bevel gears 322 rotatably connected to the vertical side walls of the screw grooves 362, the horizontal bevel gears 322 are coaxially and fixedly connected with control knobs 34 rotatably connected to the outer surfaces of the tension frames 36, and the screw grooves 362 have enough space to ensure that all mechanism.
The implementation principle of the embodiment is as follows: digital printing machine 2 carries out the printing during operation, when the tension to the paper is adjusted to needs, rotate control knob 34, control knob 34 drives vertical bevel gear 321 and rotates, vertical bevel gear 321 drives tension screw 32 and rotates around self axis, tension screw 32 drives synchronizing wheel 33 and rotates, synchronizing wheel 33 drives hold-in range 39 transmission, hold-in range 39 drives synchronizing wheel 33 who keeps away from control knob 34 and rotates, make two tension screw 32 rotate in step, then drive two blocks of tension 314 and remove along the length direction of tension screw 32 in step, then drive tension roller 31 and remove along the length direction of tension frame 36.
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 (8)
1. The utility model provides a can carry out digital printing system of tension regulation, including the prepress system that carries out the design of original manuscript, to carrying out digital printing machine (2) printed according to the received original manuscript, locate frame (5) of digital printing machine (2) paper feed inlet department, locate frame (5) and can carry out tension adjusting device (3) that tension was adjusted to the paper, tension adjusting device (3) are including following tension roller (31) of vertical direction sliding connection in frame (5), its characterized in that: the tension adjusting device (3) comprises two tension screws (32) which are respectively rotatably connected to two opposite side walls of the rack (5) and can respectively drive two ends of the tension roller (31) to move, two synchronizing wheels (33) which are respectively coaxially and fixedly connected to the bottom ends of the two tension screws (32), a horizontal synchronous belt (39) which is in transmission connection with the two synchronizing wheels (33), and a control mechanism which is arranged on the rack (5) and can drive one of the synchronizing wheels (33) to rotate.
2. A tension adjustable digital printing system as claimed in claim 1, wherein: the control mechanism comprises a vertical bevel gear (321) coaxially and fixedly connected to the bottom of the tension screw rod (32), a horizontal bevel gear (322) rotatably connected to the rack (5) and meshed with the vertical bevel gear (321), and a control knob (34) rotatably connected to the side face of the outer wall of the rack (5) and capable of driving the horizontal bevel gear (322) to rotate.
3. A tension adjustable digital printing system as claimed in claim 1, wherein: the tension adjusting device (3) is arranged at a paper inlet and a paper outlet of the digital printing machine (2).
4. A tension adjustable digital printing system as claimed in claim 2, wherein: frame (5) include that two rotate respectively around the corresponding one end of self and connect in tension frame (36) of frame (5) both sides wall, the pivot point of tension frame (36) is equipped with two power ends and butts respectively in torsion spring (37) of tension frame (36) and frame (5), tension screw (32) both ends rotate respectively and connect in the both ends of tension frame (36), control knob (34) rotate connect in tension frame (36) towards the outside outer wall of frame (5), horizontal bevel gear (322) rotate connect in tension frame (36).
5. A tension adjustable digital printing system as claimed in claim 4, wherein: one end of the tension frame (36) far away from the torsion spring (37) is rotatably connected with a pulley (361) which is connected with the rack (5) in a sliding way.
6. A tension adjustable digital printing system as claimed in claim 4, wherein: an outer roller (312) which is coaxial with the tension roller (31) and has a gap with the tension roller (31) is inserted outside the tension roller (31), and tension springs (313) with two ends respectively abutted to the inner wall of the outer roller (312) and the outer wall of the tension roller (31) are uniformly arranged in the gap between the outer roller (312) and the tension roller (31).
7. A tension adjustable digital printing system as claimed in claim 6, wherein: the inner wall of the outer roller (312) and the inner wall of the tension roller (31) are fixedly connected with spring cylinders (38) pointing to the central axis of the tension roller (31), and the spring cylinders (38) are inserted into the tension springs (313).
8. A tension adjustable digital printing system as claimed in claim 7, wherein: the circumferential surface of the outer roller (312) is provided with a rubber layer (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030104.8U CN211366445U (en) | 2019-11-21 | 2019-11-21 | Digital printing system capable of adjusting tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030104.8U CN211366445U (en) | 2019-11-21 | 2019-11-21 | Digital printing system capable of adjusting tension |
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| Publication Number | Publication Date |
|---|---|
| CN211366445U true CN211366445U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030104.8U Active CN211366445U (en) | 2019-11-21 | 2019-11-21 | Digital printing system capable of adjusting tension |
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| CN (1) | CN211366445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607481A (en) * | 2020-12-19 | 2021-04-06 | 海宁华隆纸制品股份有限公司 | Low tension system of digital printing machine |
| CN113022026A (en) * | 2021-03-01 | 2021-06-25 | 上海蓁维印刷有限公司 | Die cutting printing process |
-
2019
- 2019-11-21 CN CN201922030104.8U patent/CN211366445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607481A (en) * | 2020-12-19 | 2021-04-06 | 海宁华隆纸制品股份有限公司 | Low tension system of digital printing machine |
| CN113022026A (en) * | 2021-03-01 | 2021-06-25 | 上海蓁维印刷有限公司 | Die cutting printing process |
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