CN213734203U - Tension control device of digital printing machine - Google Patents
Tension control device of digital printing machine Download PDFInfo
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- CN213734203U CN213734203U CN202021621590.7U CN202021621590U CN213734203U CN 213734203 U CN213734203 U CN 213734203U CN 202021621590 U CN202021621590 U CN 202021621590U CN 213734203 U CN213734203 U CN 213734203U
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- 238000007639 printing Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
A tension control device of a digital printing machine comprises a frame, a rotating shaft, a printing table, the printing machine, a discharging barrel, a bend wheel, a first tension wheel, a winding barrel, a compression roller, a fixing frame and a speed reducing mechanism; the printing table is arranged on the frame, and the printing machine and the fixed frame are both arranged on the printing table; the press roller is rotationally arranged on the fixed frame and is positioned above the printing table; the speed reducing mechanism comprises an installation frame, an adjusting bolt, an elastic piece, an adjusting nut, an adjusting block and a clamping frame; the clamping frame and the adjusting block are arranged in two numbers, the two clamping frames are arranged in a crossed manner, the crossed position is rotatably arranged on the mounting frame, and the clamping frame is connected with the first tensioning wheel in a sliding manner; the adjusting block is arranged on the clamping frame; the elastic piece sets up the periphery side at adjusting bolt, and the both ends of elastic piece are connected with regulating block and adjusting nut respectively. The utility model tensions the paper through the first tension wheel and the speed reducing mechanism; the paper is firstly flattened by the compression roller and then enters the printing machine for printing, so that the printing quality is improved.
Description
Technical Field
The utility model relates to a lithography apparatus technical field especially relates to a digital printing machine tension control device.
Background
A novel printing technology is used for printing the graphic information directly transmitted to a digital printing machine through a network by using a prepress system. The digital printing system mainly comprises a prepress system and a digital printer. Some systems also incorporate stapling and cutting equipment. The working principle is that the operator outputs the digital information of original manuscript (image-text digital information) or digital medium or network digital file received from network system to computer, and makes creative idea, modification and arrangement on the computer to obtain the digital information which can be satisfied by customer, and makes the digital information undergo the process of RIP treatment to obtain correspondent monochromatic pixel digital signal, and transmits it to laser controller, and emits correspondent laser beam to scan printing cylinder. The printing cylinder (without printing plate) made of photosensitive material is photosensitive to form the picture and text which can absorb ink or toner and then is transferred to the printing stock such as paper.
Digital printing machine carries out the machine of printing process to the paper, makes the paper remove and make the paper be in the state of extension all the time in the printing machine through the live-rollers in the printing process, because the rotational speed of each live-rollers is inequality, consequently there is tension between the paper, and tension too big can lead to the paper to tear, and tension undersize can lead to the paper flagging, and the paper that gets into printing machine internal printing can be in fold or middle bellied state, all can influence printing quality.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a tension control device of a digital printing machine, which tensions paper by a first tension pulley and a speed reducing mechanism; the paper is firstly flattened by the compression roller and then enters the printing machine for printing, so that the printing quality is improved.
(II) technical scheme
The utility model provides a tension control device of a digital printing machine, which comprises a frame, a rotating shaft, a printing table, a printing machine, a discharging barrel, a bend wheel, a first tension wheel, a winding barrel, a compression roller, a fixing frame and a speed reducing mechanism;
the rotating shaft, the discharging barrel, the bend wheel and the winding barrel are all rotatably arranged on the rack; a first driving mechanism for driving the winding drum to rotate is arranged on the rack; the printing table is arranged on the frame, and the printing machine and the fixed frame are both arranged on the printing table; the press roller is rotationally arranged on the fixed frame and is positioned above the printing table; the fixed frame is provided with a second driving mechanism for driving the press roller to rotate; the speed reducing mechanism is arranged on the frame and is connected with the first tensioning wheel in a sliding manner; the speed reducing mechanism comprises an installation frame, an adjusting bolt, an elastic piece, an adjusting nut, an adjusting block and a clamping frame; the adjusting block is provided with a sliding groove; the clamping frame and the adjusting block are arranged in two numbers, the two clamping frames are arranged in a crossed manner, the crossed position is rotatably arranged on the mounting frame, and the clamping frame is connected with the first tensioning wheel in a sliding manner; the adjusting block is arranged on the clamping frame; the adjusting bolt is connected with the two adjusting blocks in a sliding manner and penetrates through the sliding groove; the adjusting nut is arranged at one end of the adjusting bolt and is in threaded connection with the adjusting bolt; the elastic piece sets up the periphery side at adjusting bolt, and the both ends of elastic piece are connected with regulating block and adjusting nut respectively.
Preferably, the fixed frame is provided with a lifting mechanism for driving the press roller to move; the lifting mechanism comprises a movable frame, a supporting block and a telescopic cylinder; the movable frame is arranged on the fixed frame in a sliding manner; the two supporting blocks are respectively arranged on the fixed frame and the movable frame; the telescopic cylinder is arranged on the supporting block on the fixed frame, and the conveying end of the telescopic cylinder is connected with the supporting block on the movable frame; the compression roller is rotatably arranged on the movable frame.
Preferably, the second driving mechanism comprises a driving motor, a driving pulley, a belt and a driven pulley; the driving motor is arranged on the movable frame, the output end of the driving motor is connected with the driving belt wheel, and the driving belt wheel is in driving connection with the driven belt wheel through a belt; the driven pulley is arranged on the compression roller.
Preferably, the first driving mechanism and the second driving mechanism have the same structure; the driving motor of the first driving mechanism is arranged on the rack, and the driven belt wheel of the first driving mechanism is arranged on the winding drum.
Preferably, a second tensioning wheel is arranged on the machine frame; and the second tensioning wheels are provided with speed reducing mechanisms.
Preferably, the clamping frame is provided with arc-shaped grooves, and the two arc-shaped grooves are symmetrically arranged.
Preferably, the bottom of the frame is provided with a foot cup.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
in the utility model, the paper tube is placed on the discharge tube, one end of the paper tube is drawn out from the discharge tube along the first tension wheel, the bend wheel, the second tension wheel and the winding tube are laid in sequence, and the paper is positioned above the printing table, the printing machine prints the paper, the paper is flattened by the compression roller before the paper enters the printing machine, the subsequent printing is convenient, and the first driving mechanism drives the winding tube to rotate for winding; the elastic piece pushes the adjusting block to move, the adjusting block drives the clamping frame to rotate, so that the clamping frame is in contact with the first tensioning wheel to generate friction to decelerate the clamping frame, the pressure of the elastic piece on the adjusting block is changed by changing the position of the adjusting nut on the adjusting bolt, and the pressure of the adjusting block on the first tensioning wheel is changed, so that the purpose of controlling the tensioning force of the first tensioning wheel is achieved; the elastic piece can automatically spring open when the tension force is too large, so that paper is prevented from being torn when the tension force is too large, and the paper is automatically clamped when the tension force is recovered.
Drawings
Fig. 1 is a schematic structural diagram of a tension control device of a digital printing machine according to the present invention.
Fig. 2 is a left side view of a partial structure of a tension control device of a digital printing machine according to the present invention.
Fig. 3 is a schematic structural view of a speed reducing mechanism in a tension control device of a digital printing machine.
Fig. 4 is a schematic structural diagram of an adjusting block in the tension control device of the digital printing machine.
Reference numerals: 1. a frame; 2. a rotating shaft; 3. a printing table; 4. a printing press; 5. a discharging barrel; 6. a direction-changing wheel; 7. a first tensioning wheel; 8. a second tensioning wheel; 9. winding the roll; 10. a first drive mechanism; 11. a compression roller; 12. a fixed mount; 1201. a movable frame; 13. a support block; 14. a telescopic cylinder; 15. a second drive mechanism; 1501. a drive motor; 1502. a driving pulley; 1503. a belt; 1504. a driven pulley; 16. a mounting frame; 17. a speed reduction mechanism; 1701. adjusting the bolt; 1702. an elastic member; 1703. adjusting the nut; 1704. an adjusting block; 1705. a sliding groove; 1706. and (4) clamping the frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the utility model provides a tension control device for a digital printing machine, which comprises a frame 1, a rotating shaft 2, a printing table 3, a printing machine 4, a discharging cylinder 5, a bend wheel 6, a first tension wheel 7, a winding cylinder 9, a press roller 11, a fixing frame 12 and a speed reducing mechanism 17;
the rotating shaft 2, the discharging barrel 5, the bend wheel 6 and the winding barrel 9 are all rotatably arranged on the frame 1; the frame 1 is provided with a first driving mechanism 10 for driving the winding drum 9 to rotate; the printing table 3 is arranged on the frame 1, and the printing machine 4 and the fixed frame 12 are both arranged on the printing table 3; the press roller 11 is rotationally arranged on the fixed frame 12, and the press roller 11 is positioned above the printing table 3; the fixed frame 12 is provided with a second driving mechanism 15 for driving the press roller 11 to rotate; the speed reducing mechanism 17 is arranged on the frame 1 and is connected with the first tension wheel 7 in a sliding way; the speed reducing mechanism 17 comprises a mounting frame 16, an adjusting bolt 1701, an elastic piece 1702, an adjusting nut 1703, an adjusting block 1704 and a clamping frame 1706; a sliding groove 1705 is arranged on the adjusting block 1704; the two clamping frames 1706 and the two adjusting blocks 1704 are arranged, the two clamping frames 1706 are arranged in a crossed manner, the crossed position is rotatably arranged on the mounting frame 16, and the clamping frames 1706 are connected with the first tensioning wheel 7 in a sliding manner; the adjusting block 1704 is arranged on the clamping frame 1706; the adjusting bolt 1701 is slidably connected with the two adjusting blocks 1704, and the adjusting bolt 1701 passes through the sliding slot 1705; an adjusting nut 1703 is provided at one end of the adjusting bolt 1701, and is screwed with the adjusting bolt 1701; an elastic member 1702 is provided on the outer peripheral side of the adjustment bolt 1701, and both ends of the elastic member 1702 are connected to the adjustment block 1704 and the adjustment nut 1703, respectively.
In an alternative embodiment, the fixed frame 12 is provided with a lifting mechanism for driving the press roller 11 to move; the lifting mechanism comprises a movable frame 1201, a supporting block 13 and a telescopic cylinder 14; the movable frame 1201 is arranged on the fixed frame 12 in a sliding manner; two supporting blocks 13 are arranged, and the two supporting blocks 13 are respectively arranged on the fixed frame 12 and the movable frame 1201; the telescopic cylinder 14 is arranged on the supporting block 13 on the fixed frame 12, and the conveying end of the telescopic cylinder 14 is connected with the supporting block 13 on the movable frame 1201; the pressure roller 11 is rotatably provided on the movable frame 1201.
It should be noted that the telescopic cylinder 14 drives the supporting block 13 to move, the supporting block 13 drives the movable frame 1201 to move, and the movable frame 1201 drives the press roller 11 to move, so that the distance between the press roller 11 and the printing table 3 is changed, thereby pressing paper sheets with different thicknesses and facilitating laying of new paper sheets.
In an alternative embodiment, the second drive mechanism 15 includes a drive motor 1501, a drive pulley 1502, a belt 1503, and a driven pulley 1504; the driving motor 1501 is arranged on the movable frame 1201, the output end of the driving motor 1501 is connected with the driving belt wheel 1502, and the driving belt wheel 1502 and the driven belt wheel 1504 are in driving connection through a belt 1503; the driven pulley 1504 is provided on the platen roller 11.
It should be noted that the driving motor 1501 drives the driving pulley 1502 to rotate, the driving pulley 1502 drives the driven pulley 1504 to rotate through the belt 1503, and the driven pulley 1504 drives the pressing roller 11 to rotate, so as to flatten the paper.
In an alternative embodiment, the first drive mechanism 10 is identical in construction to the second drive mechanism 15; the driving motor 1501 of the first driving mechanism 10 is arranged on the frame 1, and the driven belt wheel 1504 of the first driving mechanism 10 is arranged on the winding drum 9; the first driving mechanism 10 drives the winding drum 9 to rotate for winding.
In an alternative embodiment, a second tensioning wheel 8 is arranged on the frame 1; the second tensioning wheels 8 are each provided with a speed reduction mechanism 17.
The second tension pulley 8 can tension the paper sheet stored on the take-up drum 9, thereby improving the storage flatness.
In an alternative embodiment, the clamping frame 1706 is provided with two arc-shaped slots, and the two arc-shaped slots are symmetrically arranged.
It should be noted that the arc-shaped slot enables better friction between the clamping frame 1706 and the first tensioning wheel 7.
In an alternative embodiment, the bottom of the frame 1 is provided with a foot cup; the foot cup can make the device more stable.
In the utility model, the paper tube is placed on the discharge tube 5, one end of the paper tube is drawn out from the discharge tube along the first tension wheel 7, the bend wheel 6, the second tension wheel 8 and the winding tube 9 are laid in sequence, the paper is positioned above the printing table 3, the printing machine 4 prints the paper, the paper is flattened by the compression roller 11 before the paper enters the printing machine 4, the subsequent printing is convenient, and the winding tube 9 is driven by the first driving mechanism 10 to rotate for winding; the elastic piece 1702 pushes the adjusting block 1704 to move, the adjusting block 1704 drives the clamping frame 1706 to rotate, so that the clamping frame 1706 is in contact with the first tensioning wheel 7 to generate friction to decelerate the clamping frame, the pressure of the elastic piece 1702 on the adjusting block 1704 is changed by changing the position of the adjusting nut 1703 on the adjusting bolt 1701, and the pressure of the adjusting block 1704 on the first tensioning wheel 7 is changed by changing the pressure, so that the purpose of controlling the tensioning force of the clamping frame is achieved; elastic component 1702 can be opened by the automation when the tensioning force is too big, tears the paper when avoiding the tensioning force too big, self-holding when the tensioning force resumes.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A tension control device of a digital printing machine is characterized by comprising a rack (1), a rotating shaft (2), a printing table (3), the printing machine (4), a discharging barrel (5), a bend wheel (6), a first tensioning wheel (7), a winding barrel (9), a pressing roller (11), a fixing frame (12) and a speed reducing mechanism (17);
the rotating shaft (2), the discharging barrel (5), the bend wheel (6) and the winding barrel (9) are all rotatably arranged on the rack (1); a first driving mechanism (10) for driving the winding drum (9) to rotate is arranged on the rack (1); the printing table (3) is arranged on the frame (1), and the printing machine (4) and the fixing frame (12) are both arranged on the printing table (3); the compression roller (11) is rotatably arranged on the fixed frame (12), and the compression roller (11) is positioned above the printing table (3); the fixed frame (12) is provided with a second driving mechanism (15) for driving the press roller (11) to rotate; the speed reducing mechanism (17) is arranged on the frame (1) and is connected with the first tensioning wheel (7) in a sliding way; the speed reducing mechanism (17) comprises a mounting frame (16), an adjusting bolt (1701), an elastic piece (1702), an adjusting nut (1703), an adjusting block (1704) and a clamping frame (1706); a sliding groove (1705) is arranged on the adjusting block (1704); the two clamping frames (1706) and the two adjusting blocks (1704) are arranged, the two clamping frames (1706) are arranged in a crossed manner, the crossed position is rotatably arranged on the mounting frame (16), and the clamping frames (1706) are connected with the first tensioning wheel (7) in a sliding manner; the adjusting block (1704) is arranged on the clamping frame (1706); the adjusting bolt (1701) is connected with the two adjusting blocks (1704) in a sliding mode, and the adjusting bolt (1701) penetrates through the sliding groove (1705); the adjusting nut (1703) is arranged at one end of the adjusting bolt (1701) and is in threaded connection with the adjusting bolt (1701); the elastic piece (1702) is arranged on the outer periphery side of the adjusting bolt (1701), and two ends of the elastic piece (1702) are respectively connected with the adjusting block (1704) and the adjusting nut (1703).
2. A tension control device of a digital printing machine according to claim 1, wherein a lifting mechanism for driving the press roller (11) to move is provided on the fixing frame (12); the lifting mechanism comprises a movable frame (1201), a supporting block (13) and a telescopic cylinder (14); the movable frame (1201) is arranged on the fixed frame (12) in a sliding manner; two supporting blocks (13) are arranged, and the two supporting blocks (13) are respectively arranged on the fixed frame (12) and the movable frame (1201); the telescopic cylinder (14) is arranged on the supporting block (13) on the fixed frame (12), and the conveying end of the telescopic cylinder (14) is connected with the supporting block (13) on the movable frame (1201); the compression roller (11) is rotatably arranged on the movable frame (1201).
3. A digital printer tension control as claimed in claim 2, characterised in that the second drive mechanism (15) comprises a drive motor (1501), a drive pulley (1502), a belt (1503) and a driven pulley (1504); the driving motor (1501) is arranged on the movable frame (1201), the output end of the driving motor (1501) is connected with the driving belt wheel (1502), and the driving belt wheel (1502) is in driving connection with the driven belt wheel (1504) through a belt (1503); the driven pulley (1504) is provided on the pressure roller (11).
4. A digital printing machine tension control device as claimed in claim 3, characterised in that the first drive mechanism (10) is of the same construction as the second drive mechanism (15); a drive motor (1501) of the first drive mechanism (10) is arranged on the frame (1), and a driven pulley (1504) of the first drive mechanism (10) is arranged on the take-up drum (9).
5. A digital printing machine tension control device according to claim 1, characterized in that a second tensioning wheel (8) is provided on the frame (1); the second tensioning wheels (8) are provided with speed reducing mechanisms (17).
6. A tension control device for a digital printer as claimed in claim 1, wherein the clamping frame (1706) is provided with arc-shaped slots, and the two arc-shaped slots are symmetrically arranged.
7. A digital printing machine tension control device according to claim 1, characterized in that the bottom of the frame (1) is provided with a foot cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621590.7U CN213734203U (en) | 2020-08-06 | 2020-08-06 | Tension control device of digital printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621590.7U CN213734203U (en) | 2020-08-06 | 2020-08-06 | Tension control device of digital printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213734203U true CN213734203U (en) | 2021-07-20 |
Family
ID=76839433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021621590.7U Expired - Fee Related CN213734203U (en) | 2020-08-06 | 2020-08-06 | Tension control device of digital printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213734203U (en) |
-
2020
- 2020-08-06 CN CN202021621590.7U patent/CN213734203U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |