CN211664368U

CN211664368U - Tensioning device for winding label

Info

Publication number: CN211664368U
Application number: CN202020099820.1U
Authority: CN
Inventors: 胡淼
Original assignee: Shanghai Jinghong Packaging Products Co ltd
Current assignee: Shanghai Jinghong Packaging Products Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-13
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a tensioning device for rolling labels, which relates to the technical field of label production equipment and comprises a frame, wherein a paper conveying roller is arranged on the frame; the two ends of the paper conveying roller are provided with fixed seats, and the fixed seat close to one side of the rack is fixedly connected with the rack; a first driving roller and a second driving roller which are parallel to the axis of the paper conveying roller are arranged on the rack; the first driving roller and the second driving roller are arranged in parallel along the height direction of the rack; one sides of the two fixed seats opposite to each other are provided with supporting frames; one end of the supporting frame horizontally extends between the first driving roller and the second driving roller; the two fixing seats are respectively provided with a fixing part; the support frame is sleeved with a fixed sleeve; a spring is connected between the fixed sleeve and the fixed part and sleeved on the support frame; a fixing plate is arranged on one side of the fixing sleeve, which is far away from the fixing part; a tensioning roller is connected between the two fixing plates; the axis of the tension roller and the axis of the paper feeding roller are parallel to each other. The utility model discloses have and effectively carry out the effect of tensioning to label paper.

Description

Tensioning device for winding label

Technical Field

The utility model belongs to the technical field of label production facility technique and specifically relates to a overspeed device tensioner is used in label rolling.

Background

At present, a label printer is a device for printing labels and trademarks, and a tension control mechanism is very important in the system structure of the label printer, and the tension of paper directly influences the printing quality in the printing process.

In the existing label printing, the label paper can be loosened in the running process, so that the label paper can be damaged, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a overspeed device tensioner is used in label rolling, it can effectively carry out the tensioning to label paper.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tensioning device for winding a label comprises a rack, wherein a paper conveying roller is arranged on the rack; the two ends of the paper conveying roller are provided with fixed seats, and the fixed seat close to one side of the rack is fixedly connected with the rack; the frame is provided with a first driving roller and a second driving roller which are parallel to the axis of the paper conveying roller; the first transmission roller and the second transmission roller are arranged in parallel along the height direction of the rack; one sides of the two fixed seats opposite to each other are provided with supporting frames; one end of the supporting frame horizontally extends between the first driving roller and the second driving roller; the two fixing seats are respectively provided with a fixing part; the support frame is sleeved with a fixed sleeve; a spring is connected between the fixed sleeve and the fixed part and sleeved on the support frame; a fixing plate is arranged on one side of the fixing sleeve, which is far away from the fixing part; a tensioning roller is connected between the two fixing plates; the axis of the tension roller is parallel to the axis of the paper conveying roller.

Through adopting above-mentioned technical scheme, set up the support frame for label paper is from the below of second driving roller again around rolling up after the top of defeated paper roll is rolled up, and label paper is from the one side that the tensioning roller is close to defeated paper roll again around rolling up, and the one side that deviates from defeated paper roll from first driving roller at last again is rolled up. When the label paper is too tight during operation, the tension roller can be pulled by the label paper to move along the supporting frame and to one side close to the first driving roller, so that the effect of tensioning the label paper is realized. Set up the tensioning roller on the support frame to locate the spring housing on the support frame, make the spring can carry out horizontal stretching, it is more stable to the tensioning of label paper, make label paper be difficult for being stretched absolutely.

The present invention may be further configured in a preferred embodiment as: a pressing piece for pressing label paper is arranged on the rack; the pressing piece comprises a mounting seat fixed on the rack, a fixed rod arranged on the mounting seat and positioned above the first transmission roller, and a pressing piece arranged on the fixed rod and obliquely arranged; the length direction of the fixed rod is consistent with the length direction of the first transmission roller; one side of the pressing piece close to the first driving roller is tangent to the surface of the first driving roller.

Through adopting above-mentioned technical scheme, set up and compress tightly the piece, can compress tightly label paper for label paper is difficult for being pulled back, and whole process connection is more reliable and more stable, sets the pressing blade to tangent with the surface of first driving roller, makes the pressing blade can not be to the label paper scratch, can not damaged when making label paper move.

The present invention may be further configured in a preferred embodiment as: a first fixing column is arranged on one opposite side of each of the two fixing seats; one sides of the two fixing plates, which are close to the fixing seat, are provided with second fixing columns; the length directions of the first fixing column and the second fixing column are consistent with the length direction of the paper conveying roller; and a tension spring is connected between the first fixing column and the second fixing column.

Through adopting above-mentioned technical scheme, set up the extension spring, when the tensile force of spring is not enough, can improve the holistic tensile force of overspeed device tensioner through increasing the extension spring for overspeed device tensioner's tensile force can be adjusted, can be better to the tensioning of label paper, and label paper can keep certain tension, and the quality of printing is better.

The present invention may be further configured in a preferred embodiment as: fixing rings are welded at two ends of the spring; one side of the fixed sleeve, which is close to the fixed seat, is provided with a first connecting sleeve, and the first connecting sleeve is sleeved on the support frame; a first threaded column is vertically arranged on the first connecting sleeve; the fixing ring is sleeved on the first threaded column and fixed between the first fixing nut and the first connecting sleeve through the first fixing nut in threaded connection with the first threaded column; a second connecting sleeve is arranged on one side of the fixing part close to the fixing sleeve; a second threaded column is vertically arranged on the second connecting sleeve; the fixing ring is sleeved on the second threaded column and then fixed between the first fixing nut and the second connecting sleeve through a second fixing nut in threaded connection with the second threaded column.

Through adopting the technical scheme, in long-term use, the spring produces the phenomenon of tired use easily, at the solid fixed ring of tip welding of spring, with the spring around rolling up on the support frame after, fix the solid fixed ring at spring both ends respectively the cover locate first screw thread post and second screw and live, and press from both sides solid fixed ring through first fixation nut and second fixation nut, make the spring be fixed in between fixed part and the fixed cover, can strengthen the connection of spring, and after the spring uses tiredly, can conveniently change the spring, make the tensioning roller need not take off, can realize the change to the spring, it is more convenient and fast.

The present invention may be further configured in a preferred embodiment as: a first limiting block is arranged at one end of the first fixing column, which is far away from the fixing seat; and a second limiting block is arranged at one end of the second fixing column, which deviates from the fixing plate.

Through adopting above-mentioned technical scheme, set up first stopper and second stopper, can prevent effectively that the extension spring from being tightened and breaking away from and being connected with first fixed column and second fixed column in the use, can make the extension spring fix more firm reliably.

The present invention may be further configured in a preferred embodiment as: one end of the support frame, which is far away from the fixing part, is provided with a third limiting block.

Through adopting above-mentioned technical scheme, set up the third stopper, can prevent that the tensioning roller from breaking away from with being connected of support frame for the operation of tensioning roller is more stable.

The present invention may be further configured in a preferred embodiment as: the fixing plate is provided with a fixing hole matched with the support frame; a first mounting hole is formed in the fixing plate and above the fixing hole; two first mounting holes are arranged side by side; two ends of the tensioning roller are provided with second mounting holes corresponding to the first mounting holes; the fixed plate and the tensioning roller are fixed through fastening bolts.

Through adopting above-mentioned technical scheme, set up first mounting hole and second mounting hole, conveniently install and dismantle fixed plate and tensioning roller for tensioning roller's installation is more convenient and reliable with the change.

To sum up, the utility model discloses following beneficial effect has:

1. the tensioning roller can be pulled to the label paper along the support frame and to the one side removal that is close to first driving roller to the realization carries out the effect of tensioning to the label paper. The tensioning roller is arranged on the support frame, and the spring is sleeved on the support frame, so that the spring can be horizontally stretched, the tensioning of the label paper is more stable, and the label paper is not easy to be stretched and broken;

2. the pressing piece is arranged to be tangent to the surface of the first driving roller, so that the label paper cannot be scratched by the pressing piece, and the label paper cannot be damaged when running;

3. the tension spring is arranged, when the tension force of the spring is insufficient, the tension force of the whole tensioning device can be improved by increasing the tension spring, so that the tension force of the tensioning device can be adjusted, the label paper can be tensioned better, the label paper can keep certain tension, and the printing quality is better.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of the support frame of the embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a frame; 11. a paper feeding roller; 12. a first drive roller; 13. a second driving roller; 2. a fixed seat; 21. a fixed part; 22. a first fixed column; 23. a second fixed column; 24. a tension spring; 25. a first stopper; 26. a second limiting block; 3. a support frame; 31. a third limiting block; 32. fixing a sleeve; 33. a fixing plate; 331. a fixing hole; 332. a first mounting hole; 333. a second mounting hole; 34. a first connecting sleeve; 341. a first threaded post; 342. a first fixing nut; 35. a second connecting sleeve; 351. a second threaded post; 352. a second fixing nut; 4. a spring; 41. a fixing ring; 5. a tension roller; 6. a compression member; 61. a mounting seat; 62. fixing the rod; 63. and a pressing sheet.

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 overspeed device tensioner for label rolling, including frame 1, rotate in frame 1 and be provided with defeated paper roll 11. Fixedly connected with fixing base 2 is all established at the both ends of defeated paper roll 11. The fixing seat 2 close to one side of the frame 1 is fixedly connected with the frame 1.

Referring to fig. 1, a first driving roller 12 and a second driving roller 13 are rotatably disposed on the frame 1, and the axes of the first driving roller 12 and the second driving roller 13 are parallel to the axis of the paper feeding roller 11. The first drive roller 12 and the second drive roller 13 are juxtaposed in the height direction of the frame 1.

Referring to fig. 1, a support frame 3 is fixed on one side of each of the two fixing seats 2 facing each other. One end of the supporting frame 3 departing from the fixing portion 21 is fixedly connected with a third limiting block 31. One end of the support frame 3 extends horizontally between the first driving roller 12 and the second driving roller 13. The opposite sides of the two fixed seats 2 are fixed with fixed parts 21.

Referring to fig. 1 and 2, the supporting frame 3 is sleeved with a fixing sleeve 32, a spring 4 is connected between the fixing sleeve 32 and the fixing portion 21, and the spring 4 is sleeved on the supporting frame 3. The fixing sleeve 32 is welded with a fixing plate 33 at a side departing from the fixing portion 21, and the fixing plate 33 is provided with a fixing hole 331, and the fixing hole 331 is adapted to the supporting frame 3. A first mounting hole 332 is formed in the fixing plate 33 above the fixing hole 331, and two first mounting holes 332 are arranged side by side. The tension roller 5 is connected between the two fixed plates 33, and the axis of the tension roller 5 is parallel to the axis of the paper feeding roller 11. The two ends of the tension roller 5 are provided with second mounting holes 333 corresponding to the first mounting holes 332, and the fixing plate 33 and the tension roller 5 are fixed by fastening bolts.

Referring to fig. 1, a pressing member 6 is fixedly mounted on the frame 1. The pressing member 6 includes a mounting seat 61, a fixing lever 62, and a pressing piece 63. The mounting seat 61 is fixedly arranged on the frame 1 through bolts, and the mounting seat 61 is positioned above the first transmission roller 12. The fixing rod 62 is fixedly installed on the installation seat 61, and the other end of the fixing rod 62 horizontally extends in a direction departing from the rack 1. The fixing lever 62 is positioned above the first driving roller 12, and the length direction of the fixing lever 62 coincides with the length direction of the first driving roller 12. The pressing piece 63 is fixedly installed on the fixing rod 62, the pressing piece 63 is obliquely arranged, and one side, close to the first driving roller 12, of the pressing piece 63 is tangent to the surface of the first driving roller 12.

Referring to fig. 2, two fixing bases 2 one side in opposite directions all vertically fixed have first fixed column 22, and two fixed plates 33 are close to one side of fixing base 2 and all vertically fixed have second fixed column 23. The longitudinal directions of the first fixing post 22 and the second fixing post 23 coincide with the longitudinal direction of the sheet conveying roller 11. A tension spring 24 is connected between the first fixing column 22 and the second fixing column 23, one end of the tension spring 24 is fixed on the first fixing column 22, and the other end of the tension spring 24 is fixed on the second fixing column 23. First fixed column 22 deviates from the one end welding of fixing base 2 has first stopper 25, and the one end welding that second fixed column 23 deviates from fixed plate 33 has second stopper 26 for restriction extension spring 24 drops.

Referring to fig. 2 and 3, fixing rings 41 are welded to both ends of the spring 4. A first connecting sleeve 34 is welded on one side of the fixing sleeve 32 close to the fixing base 2, and the first connecting sleeve 34 is sleeved on the supporting frame 3. The diameter of the first coupling sleeve 34 is smaller than the diameter of the securing sleeve 32. The first connection sleeve 34 is vertically fixed with a first threaded column 341, and the first threaded column 341 is threadedly connected with a first fixing nut 342. After the fixing ring 41 is sleeved on the first threaded post 341, the fixing ring 41 is fixed between the first fixing nut 342 and the first connecting sleeve 34 by the first fixing nut 342. One side of the fixing portion 21 close to the fixing sleeve 32 is welded with a second connecting sleeve 35, a second threaded column 351 is vertically fixed on the second connecting sleeve 35, and a second fixing nut 352 is screwed on the second threaded column 351. After the fixing ring 41 is sleeved on the second threaded column 351, the fixing ring 41 is fixed between the first fixing nut 342 and the second connecting sleeve 35 by the second fixing nut 352.

The implementation principle of the embodiment is as follows: the label paper is wound from the upper part of the paper feeding roller 11 and then from the lower part of the second driving roller 13, and the label paper is wound from the side of the tension roller 5 close to the paper feeding roller 11 and finally wound from the side of the first driving roller 12 away from the paper feeding roller 11. When the label paper is too tight during operation, the tension roller 5 can be pulled by the label paper to move along the support frame 3 to one side close to the first driving roller 12, so that the effect of tensioning the label paper is realized.

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

1. The utility model provides a overspeed device tensioner for label rolling, includes frame (1), its characterized in that: a paper conveying roller (11) is arranged on the frame (1); the two ends of the paper conveying roller (11) are provided with the fixed seats (2), and the fixed seat (2) close to one side of the rack (1) is fixedly connected with the rack (1); a first driving roller (12) and a second driving roller (13) which are parallel to the axis of the paper conveying roller (11) are arranged on the frame (1); the first transmission roller (12) and the second transmission roller (13) are arranged in parallel along the height direction of the rack (1); one sides of the two fixed seats (2) opposite to each other are respectively provided with a support frame (3); one end of the support frame (3) horizontally extends towards the position between the first transmission roller (12) and the second transmission roller (13); the two fixed seats (2) are respectively provided with a fixed part (21); a fixed sleeve (32) is sleeved on the support frame (3); a spring (4) is connected between the fixed sleeve (32) and the fixed part (21), and the spring (4) is sleeved on the support frame (3); a fixing plate (33) is arranged on one side of the fixing sleeve (32) departing from the fixing part (21); a tension roller (5) is connected between the two fixing plates (33); the axis of the tension roller (5) is parallel to the axis of the paper conveying roller (11).

2. The tension device for rolling labels as claimed in claim 1, wherein: a pressing piece (6) for pressing label paper is arranged on the rack (1); the pressing piece (6) comprises a mounting seat (61) fixed on the rack (1), a fixing rod (62) arranged on the mounting seat (61) and positioned above the first driving roller (12), and a pressing piece (63) arranged on the fixing rod (62) and obliquely arranged; the length direction of the fixed rod (62) is consistent with the length direction of the first driving roller (12); one side of the pressing piece (63) close to the first driving roller (12) is tangent to the surface of the first driving roller (12).

3. The tension device for rolling labels as claimed in claim 1, wherein: one opposite side of each of the two fixed seats (2) is provided with a first fixed column (22); one sides of the two fixing plates (33) close to the fixing seat (2) are provided with second fixing columns (23); the length directions of the first fixing column (22) and the second fixing column (23) are consistent with the length direction of the paper conveying roller (11); a tension spring (24) is connected between the first fixing column (22) and the second fixing column (23).

4. The tension device for rolling labels as claimed in claim 1, wherein: fixing rings (41) are welded at two ends of the spring (4); one side of the fixed sleeve (32) close to the fixed seat (2) is provided with a first connecting sleeve (34), and the first connecting sleeve (34) is sleeved on the support frame (3); a first threaded column (341) is vertically arranged on the first connecting sleeve (34); the fixing ring (41) is sleeved on the first threaded column (341) and is fixed between the first fixing nut (342) and the first connecting sleeve (34) through a first fixing nut (342) in threaded connection with the first threaded column (341); a second connecting sleeve (35) is arranged on one side of the fixing part (21) close to the fixing sleeve (32); a second threaded column (351) is vertically arranged on the second connecting sleeve (35); the fixing ring (41) is sleeved on the second threaded column (351), and the fixing ring (41) is fixed between the first fixing nut (342) and the second connecting sleeve (35) through a second fixing nut (352) in threaded connection with the second threaded column (351).

5. The tension device for rolling labels as claimed in claim 3, wherein: a first limiting block (25) is arranged at one end of the first fixing column (22) departing from the fixing seat (2); one end of the second fixing column (23) departing from the fixing plate (33) is provided with a second limiting block (26).

6. The tension device for rolling labels as claimed in claim 1, wherein: one end of the support frame (3) departing from the fixing part (21) is provided with a third limiting block (31).

7. The tension device for rolling labels as claimed in claim 1, wherein: the fixing plate (33) is provided with a fixing hole (331) matched with the support frame (3); a first mounting hole (332) is formed in the fixing plate (33) and above the fixing hole (331); the number of the first mounting holes (332) is two; two ends of the tensioning roller (5) are provided with second mounting holes (333) corresponding to the first mounting holes (332); the fixed plate (33) and the tension roller (5) are fixed through fastening bolts.