CN215159679U - Tension control device of printing machine - Google Patents
Tension control device of printing machine Download PDFInfo
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- CN215159679U CN215159679U CN202120310515.7U CN202120310515U CN215159679U CN 215159679 U CN215159679 U CN 215159679U CN 202120310515 U CN202120310515 U CN 202120310515U CN 215159679 U CN215159679 U CN 215159679U
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Abstract
A tension control device of a printing machine comprises a bottom plate, a supporting table, a printing head, a reversing wheel, a first mounting plate, a material discharging coil, a second supporting column, a second mounting plate, a tensioning mechanism, a sliding column and a tensioning wheel; the supporting table, the first mounting plate, the second supporting column and the second mounting plate are all arranged on the bottom plate; the printing head is arranged on the supporting platform; the reversing wheel is rotatably arranged on the first mounting plate; the discharging coil is rotatably arranged on the second supporting column; the sliding column is arranged on the second mounting plate in a sliding mode; the rotation of the tension wheel is arranged on the sliding column; the tensioning mechanism is arranged on the sliding column and comprises a sliding plate, an elastic piece and a blocking plate; the sliding plate is arranged on the sliding column in a sliding manner; the blocking plate is arranged on the sliding column; two ends of the elastic piece are respectively connected with the sliding plate and the blocking plate; the second mounting plate is provided with a driving mechanism for driving the sliding plate to move. The utility model discloses when the tensile force is too big, through elastic component automatic adjustment, prevent that the paper from damaging.
Description
Technical Field
The utility model relates to a lithography apparatus technical field especially relates to a tension control device of printing machine.
Background
Printing machine, machine for printing text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plates, which are mounted on a printing machine, and then the printing machine applies ink to the printing plates where the characters and images are located, and then directly or indirectly transfers the ink onto paper or other printing materials (such as textiles, metal plates, plastics, leather, wood plates, glass and ceramics), so that the same printed matter as the printing plates is reproduced.
Because in the printing process, the quality of printing products needs to be continuously improved, therefore, the adjustment of the tensity of the printed products needs to be properly carried out, the existing printing process cannot be directly adjusted manually, the tension cannot be adjusted in real time, and the vibration of the printing operation influences the auxiliary control tension of the lining paper, so that the use is not convenient enough, and the printing quality of the products is influenced. Therefore, it is important to provide a tension control device for a printing press.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a tension control device of printing machine when the tensile force is too big, through elastic component automatic adjustment, prevents that the paper from damaging.
(II) technical scheme
The utility model provides a tension control device of a printing machine, which comprises a bottom plate, a supporting table, a printing head, a first supporting column, a reversing wheel, a first mounting plate, a material discharging coil, a second supporting column, a second mounting plate, a tensioning mechanism, a sliding column and a tensioning wheel;
the supporting table, the first supporting column, the first mounting plate, the second supporting column and the second mounting plate are all arranged on the bottom plate; the printing head is arranged on the supporting platform; the second mounting plate is positioned between the support table and the first mounting plate; the plurality of reversing wheels are respectively and rotatably arranged on the first supporting column and the first mounting plate; the discharging coil is rotatably arranged on the second supporting column; the sliding column is arranged on the second mounting plate in a sliding mode; the rotation of the tension wheel is arranged on the sliding column; the tensioning mechanism is arranged on the sliding column and comprises a sliding plate, an elastic piece and a blocking plate; the sliding plate is arranged on the sliding column in a sliding manner; the blocking plate is arranged on the sliding column; the elastic piece is arranged on the outer periphery of the sliding column, and two ends of the elastic piece are respectively connected with the sliding plate and the blocking plate; the second mounting plate is provided with a driving mechanism for driving the sliding plate to move.
Preferably, the driving mechanism comprises a second motor, a screw rod, a sliding block, a push rod and a guide rail; the second motor is arranged on the second mounting plate, and the output end of the second motor is in driving connection with the screw rod; the screw rod is rotationally arranged on the second mounting plate; the push rod and the guide rail are arranged on the sliding plate and are in sliding connection with the second mounting plate; the sliding block sets up on the push rod, sliding block and lead screw threaded connection.
Preferably, a support frame is arranged on the support table; the supporting frame is provided with a press roller; the compression roller is arranged above the supporting platform in a sliding manner; the supporting frame is provided with a lifting mechanism for driving the press roller to move.
Preferably, the lifting mechanism comprises a fixed block, a first telescopic cylinder and a moving block; the fixed block is arranged on the support frame; the first telescopic cylinder is arranged on the fixed block, and the output end of the first telescopic cylinder is in driving connection with the moving block; the compression roller is rotationally arranged on the moving block; the moving block is provided with a first motor for driving the press roller to rotate.
Preferably, the support table is provided with an expansion frame; the support frame is provided with a second telescopic cylinder for driving the expansion frame to move.
Preferably, the support frame is provided with a support plate; the second telescopic cylinder is connected with the supporting frame through the supporting plate.
Preferably, the projection of the stent on the top view is an isosceles triangle.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
in the utility model, the paper roll is placed on the material discharging roll, one end of the paper roll is connected with the reversing wheel on the first mounting plate and then connected with the tensioning wheel, and the paper roll is conveyed to the interior of the printing head for printing through the reversing wheel on the first supporting column; through the position of actuating mechanism adjustment sliding plate, the elastic component is compressed to the sliding plate, and the elastic component promotes barrier plate one end, and the barrier plate drives the slip post and removes, and the slip post drives the take-up pulley and removes to the size of adjustment tensile force, and when the tensile force was too big, compress the elastic component, realize automatic adjustment, avoid the paper to damage.
Drawings
Fig. 1 is a schematic structural diagram of a tension control device of a printing machine according to the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a schematic structural diagram of an expansion frame in a tension control device of a printing machine according to the present invention.
Reference numerals: 1. a base plate; 2. a support table; 3. a support frame; 4. a print head; 5. a lifting mechanism; 501. a fixed block; 502. a first telescoping cylinder; 503. a moving block; 6. a compression roller; 601. a first motor; 7. an unfolding frame; 701. a second telescoping cylinder; 8. a support plate; 9. a first support column; 10. a reversing wheel; 11. a first mounting plate; 12. discharging a material roll; 13. a second support column; 14. a second mounting plate; 15. a drive mechanism; 1501. a second motor; 1502. a screw rod; 1503. a slider; 1504. a push rod; 1505. a guide rail; 16. a tensioning mechanism; 1601. a sliding plate; 1602. an elastic member; 1603. a blocking plate; 17. a sliding post; 18. a tension wheel.
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. 1-3, the tension control device of a printing machine according to the present invention includes a bottom plate 1, a support table 2, a printing head 4, a first support column 9, a reversing wheel 10, a first mounting plate 11, a discharging roll 12, a second support column 13, a second mounting plate 14, a tensioning mechanism 16, a sliding column 17 and a tensioning wheel 18;
the support table 2, the first support column 9, the first mounting plate 11, the second support column 13 and the second mounting plate 14 are all arranged on the bottom plate 1; the print head 4 is arranged on the support table 2; the second mounting plate 14 is positioned between the support table 2 and the first mounting plate 11; a plurality of reversing wheels 10 are arranged, and the plurality of reversing wheels 10 are respectively and rotatably arranged on the first supporting column 9 and the first mounting plate 11; the material outlet roll 12 is rotatably arranged on a second supporting column 13; the sliding column 17 is arranged on the second mounting plate 14 in a sliding mode; the rotation of the tension wheel 18 is arranged on the sliding column 17; the tensioning mechanism 16 is arranged on the sliding column 17, and the tensioning mechanism 16 comprises a sliding plate 1601, an elastic member 1602 and a blocking plate 1603; the sliding plate 1601 is slidably arranged on the sliding column 17; a blocking plate 1603 is provided on the slide column 17; the elastic member 1602 is disposed on the outer periphery of the sliding column 17, and both ends of the elastic member 1602 are connected to the sliding plate 1601 and the blocking plate 1603, respectively; the second mounting plate 14 is provided with a driving mechanism 15 for driving the sliding plate 1601 to move.
In an alternative embodiment, the driving mechanism 15 includes a second motor 1501, a lead screw 1502, a slider 1503, a push rod 1504, and a guide rail 1505; the second motor 1501 is arranged on the second mounting plate 14, and the output end of the second motor 1501 is in driving connection with the screw rod 1502; the screw rod 1502 is rotatably arranged on the second mounting plate 14; the push rod 1504 and the guide rail 1505 are both arranged on the sliding plate 1601, and the push rod 1504 and the guide rail 1505 are both slidably connected with the second mounting plate 14; a slider 1503 is provided on a push rod 1504, the slider 1503 being in threaded connection with the lead screw 1502.
It should be noted that the second motor 1501 drives the lead screw 1502 to rotate, the lead screw 1502 drives the slide block 1503 to move, the slide block 1503 drives the push rod 1504 to move, and the push rod 1504 drives the slide plate 1601 to move, so as to adjust the distance between the slide plate 1601 and the blocking plate 1603, compress the elastic member 1602, and adjust the tension.
In an alternative embodiment, a support frame 3 is arranged on the support table 2; the supporting frame 3 is provided with a press roller 6; the compression roller 6 is arranged above the support platform 2 in a sliding manner; the supporting frame 3 is provided with a lifting mechanism 5 for driving the press roller 6 to move.
It should be noted that the support frame 3 is used to support the lifting mechanism 5 and the press roller 6.
In an alternative embodiment, the lifting mechanism 5 includes a fixed block 501, a first telescopic cylinder 502 and a moving block 503; the fixed block 501 is arranged on the support frame 3; the first telescopic cylinder 502 is arranged on the fixed block 501, and the output end of the first telescopic cylinder 502 is in driving connection with the moving block 503; the press roller 6 is rotatably arranged on the moving block 503; the moving block 503 is provided with a first motor 601 for driving the platen roller 6 to rotate.
Note that the position at which the platen roller 6 contacts the sheet is controlled by the first telescopic cylinder 502, and thus flexible adjustment can be performed according to the thickness of the sheet.
In an alternative embodiment, the support platform 2 is provided with an expansion bracket 7; the support frame 3 is provided with a second telescopic cylinder 701 for driving the expansion frame 7 to move.
It should be noted that the unfolding frame 7 can unfold the folded paper roll, thereby facilitating the subsequent printing.
In an alternative embodiment, the support frame 3 is provided with a support plate 8; the second telescopic cylinder 701 is connected with the support frame 3 through a support plate 8.
In an alternative embodiment, the projection of the expansion frame 7 on the top view is an isosceles triangle.
It should be noted that the triangular frame 7 is better able to open the folds of the paper roll.
In the utility model, the paper roll is placed on the material discharging roll 12, one end of the paper roll is connected with the reversing wheel 10 on the first mounting plate 11 and then connected with the tensioning wheel 18, and the paper roll is conveyed to the interior of the printing head 4 for printing through the reversing wheel 10 on the first supporting column 9; through the position of actuating mechanism 15 adjustment sliding plate 1601, sliding plate 1601 compression elastic component 1602, elastic component 1602 promotes and blocks board 1603 one end, blocks board 1603 and drives the removal of slip post 17, and slip post 17 drives take-up pulley 18 and removes to the size of adjustment tensile force, and when the tensile force was too big, compression elastic component 1602 realizes automatic adjustment, avoids the paper to damage.
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 printing machine is characterized by comprising a bottom plate (1), a support table (2), a printing head (4), a first support column (9), a reversing wheel (10), a first mounting plate (11), a discharging roll (12), a second support column (13), a second mounting plate (14), a tensioning mechanism (16), a sliding column (17) and a tensioning wheel (18);
the support table (2), the first support column (9), the first mounting plate (11), the second support column (13) and the second mounting plate (14) are all arranged on the bottom plate (1); the printing head (4) is arranged on the support platform (2); the second mounting plate (14) is positioned between the support table (2) and the first mounting plate (11); a plurality of reversing wheels (10) are arranged, and the plurality of reversing wheels (10) are respectively and rotatably arranged on the first supporting column (9) and the first mounting plate (11); the material outlet roll (12) is rotatably arranged on the second supporting column (13); the sliding column (17) is arranged on the second mounting plate (14) in a sliding manner; the rotation of the tension wheel (18) is arranged on the sliding column (17); the tensioning mechanism (16) is arranged on the sliding column (17), and the tensioning mechanism (16) comprises a sliding plate (1601), an elastic piece (1602) and a blocking plate (1603); the sliding plate (1601) is arranged on the sliding column (17) in a sliding mode; the blocking plate (1603) is arranged on the sliding column (17); the elastic piece (1602) is arranged on the outer periphery side of the sliding column (17), and two ends of the elastic piece (1602) are respectively connected with the sliding plate (1601) and the blocking plate (1603); the second mounting plate (14) is provided with a driving mechanism (15) for driving the sliding plate (1601) to move.
2. A tension control device of a printing press according to claim 1, wherein the drive mechanism (15) comprises a second motor (1501), a lead screw (1502), a slider (1503), a pusher (1504) and a guide (1505); the second motor (1501) is arranged on the second mounting plate (14), and the output end of the second motor (1501) is in driving connection with the screw rod (1502); the screw rod (1502) is rotatably arranged on the second mounting plate (14); the push rod (1504) and the guide rail (1505) are both arranged on the sliding plate (1601), and the push rod (1504) and the guide rail (1505) are both connected with the second mounting plate (14) in a sliding way; the sliding block (1503) is arranged on the push rod (1504), and the sliding block (1503) is in threaded connection with the screw rod (1502).
3. A tension control device for a printing press as claimed in claim 1, wherein the support table (2) is provided with a support frame (3); the supporting frame (3) is provided with a press roller (6); the compression roller (6) is arranged above the support platform (2) in a sliding manner; the supporting frame (3) is provided with a lifting mechanism (5) for driving the press roller (6) to move.
4. A tension control device of a printing press according to claim 3, wherein the lifting mechanism (5) comprises a fixed block (501), a first telescopic cylinder (502) and a moving block (503); the fixed block (501) is arranged on the support frame (3); the first telescopic cylinder (502) is arranged on the fixed block (501), and the output end of the first telescopic cylinder (502) is in driving connection with the moving block (503); the compression roller (6) is rotationally arranged on the moving block (503); the moving block (503) is provided with a first motor (601) for driving the press roller (6) to rotate.
5. A tension control device for a printing press according to claim 1, wherein the support table (2) is provided with an expansion bracket (7); the support frame (3) is provided with a second telescopic cylinder (701) for driving the unfolding frame (7) to move.
6. A tension control device for a printing press as claimed in claim 5, wherein the support frame (3) is provided with a support plate (8); the second telescopic cylinder (701) is connected with the support frame (3) through a support plate (8).
7. Tension control device for a printing press according to claim 5, characterised in that the projection of the spreading frame (7) in top view is an isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310515.7U CN215159679U (en) | 2021-02-03 | 2021-02-03 | Tension control device of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310515.7U CN215159679U (en) | 2021-02-03 | 2021-02-03 | Tension control device of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215159679U true CN215159679U (en) | 2021-12-14 |
Family
ID=79409884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120310515.7U Active CN215159679U (en) | 2021-02-03 | 2021-02-03 | Tension control device of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215159679U (en) |
-
2021
- 2021-02-03 CN CN202120310515.7U patent/CN215159679U/en active Active
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