CN214086940U - Tensioning device for plastic film printing - Google Patents
Tensioning device for plastic film printing Download PDFInfo
- Publication number
- CN214086940U CN214086940U CN202022953950.XU CN202022953950U CN214086940U CN 214086940 U CN214086940 U CN 214086940U CN 202022953950 U CN202022953950 U CN 202022953950U CN 214086940 U CN214086940 U CN 214086940U
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- wheel
- plastic film
- drive
- connecting rod
- roller
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- 239000002985 plastic film Substances 0.000 title claims abstract description 50
- 229920006255 plastic film Polymers 0.000 title claims abstract description 50
- 238000007639 printing Methods 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000010409 ironing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model relates to a plastic film production technical field specifically is a overspeed device tensioner is used in plastic film printing, including the guard box, both sides and center department all are provided with the drive wheel around the inner wall of guard box, the below is equipped with the auxiliary wheel between the drive wheel, and the upper end of guard box installs the cylinder, the output of cylinder is connected with the connecting rod, and goes out the end of connecting rod and cup jointed the movable block, and the front end of movable block is provided with the straining wheel, the front end welding of guard box has the fixed plate, and the upper end symmetry of fixed plate is equipped with first drive roller and second drive roller, the oblique below activity of second drive roller is provided with the crank arm connecting rod. This device is equipped with two straining device and mutually supports between through two straining device to make control and rate of tension that the plastic film can be accurate at the printing in-process and guarantee the planarization of plastic film in the transportation, prevent that the plastic film from can taking place the incomplete phenomenon of printing because the fold when the printing.
Description
Technical Field
The utility model relates to a plastic film production technical field specifically is a overspeed device tensioner is used in plastic film printing.
Background
The existing plastic film printing machine comprises a material sending mechanism, an ironing mechanism, a multicolor printing mechanism, a cooling and shaping mechanism and a winding mechanism, wherein the multicolor printing mechanism is composed of a plurality of sets of printing unit mechanisms, each set of printing unit mechanism comprises a printing part, an oven drying part and a cooling part, the cooling part is a transmission roller with a cooling liquid introduced into an inner cavity, the process is that a packaged plastic film is introduced into the multicolor printing mechanism after being ironed by the ironing mechanism, and the plastic film is printed with one color after passing through one set of printing unit mechanism.
During the printing process, the plastic film is used for ensuring the printing integrity. The plastic film conveying speed needs to be controlled, the tensioning device is used at the moment, the tensioning device can control the plastic bag conveying speed and can prevent the plastic film from wrinkling, the existing tensioning device is simple in structure and easy to generate after being used for a long time, the adjustment is not accurate, and certain influence is brought in the using process. Accordingly, those skilled in the art have provided a tensioner for plastic film printing to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a overspeed device tensioner is used in plastic film printing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a overspeed device tensioner for plastic film printing, includes the guard box, both sides and center department all are provided with the drive wheel around the inner wall of guard box, the below is equipped with the auxiliary wheel between the drive wheel, and the upper end of guard box installs the cylinder, the output of cylinder is connected with the connecting rod, and goes out the end of connecting rod and has cup jointed the movable block, and the front end of movable block is provided with the straining wheel, the front end welding of guard box has the fixed plate, and the upper end symmetry of fixed plate is equipped with first drive roller and second drive roller, the activity of oblique below of second drive roller is provided with bent arm connecting rod, and the bottom fixedly connected with compression roller of bent arm connecting rod.
As a further aspect of the present invention: the bending degree of the crank arm connecting rod is one hundred twenty degrees, the short column is welded at the upper end of the crank arm connecting rod, and the balancing weight is sleeved on the short column.
As a further aspect of the present invention: the width of first drive roller and second drive roller equals with the width of guard box, and the compression roller is located the central point extension between first drive roller and the second drive roller.
As a further aspect of the present invention: the back one side symmetry of fixed plate is provided with first rim plate and second rim plate, and the end-to-end connection of first rim plate and first drive roller, second rim plate and second drive roller end-to-end connection.
As a further aspect of the present invention: the driver is arranged below the extension line of the central point between the first wheel disc and the second wheel disc, and the belt is sleeved on the driving ends of the first wheel disc, the second wheel disc and the driver together.
As a further aspect of the present invention: and a motor is arranged on the back surface of the fixing plate and positioned at the right lower part of the driver, and the driving end of the motor penetrates through the fixing plate and is fixedly connected with the bending point of the crank arm connecting rod.
As a further aspect of the present invention: the thickness of drive wheel, auxiliary wheel and tension wheel all equals, and the thickness of drive wheel is half of guard box width, the diameter of tension wheel is half of the auxiliary wheel diameter, and the diameter of auxiliary wheel is half of drive wheel diameter.
Compared with the prior art, the beneficial effects of the utility model are that: the device is provided with two tensioning mechanisms which are mutually matched, so that the tightness and smoothness of a plastic film in the printing process can be accurately controlled and ensured, and the phenomenon that the plastic film is incompletely printed due to wrinkles in the printing process is prevented, wherein the main tensioning device is placed in a protective box for protection, and the plastic film is tensioned through a driving wheel, an auxiliary wheel and a tensioning wheel, and the principle is that a cylinder drives a tensioning wheel to move up and down, so that the plastic film is tensioned, the outer tensioning device not only can play a role in integrally acting on the plastic film, but also has certain conveying and guiding functions, so that the plastic film can move forwards all the way to the printing mechanism, the forward movement of the plastic film is realized through two driving rollers, and the plastic film is driven to press the plastic film by utilizing the rotating angle of a crank arm connecting rod, further tensioning is achieved.
Drawings
FIG. 1 is a schematic view of a tensioner for plastic film printing;
FIG. 2 is a schematic view showing the inside of a protective case in a tensioner for plastic film printing;
fig. 3 is a schematic structural view of the back surface of a fixing plate in a tensioner for plastic film printing.
In the figure: 1. a protection box; 2. a fixing plate; 3. a first driving roller; 4. a second driving roller; 5. a motor; 6. a crank arm connecting rod; 7. a balancing weight; 8. a compression roller; 9. a tension wheel; 10. an auxiliary wheel; 11. a drive wheel; 12. a connecting rod; 13. a movable block; 14. a cylinder; 15. a second wheel disc; 16. a first wheel disc; 17. a driver; 18. a belt.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a tensioning device for plastic film printing includes a protection box 1, driving wheels 11 are disposed on front and rear sides and a center of an inner wall of the protection box 1, an auxiliary wheel 10 is disposed below the driving wheels 11, an air cylinder 14 is mounted at an upper end of the protection box 1, an output end of the air cylinder 14 (model: CDA2HB40-50) is connected to a connecting rod 12, a movable block 13 is sleeved at a terminal of the connecting rod 12, a tension wheel 9 is disposed at a front end of the movable block 13, a fixing plate 2 is welded at a front end of the protection box 1, a first driving roller 3 and a second driving roller 4 are symmetrically disposed at an upper end of the fixing plate 2, a crank arm connecting rod 6 is movably disposed obliquely below the second driving roller 4, and a compression roller 8 is fixedly connected to a bottom end of the crank arm connecting rod 6.
In fig. 1, the bending degree of the crank arm connecting rod 6 is one hundred twenty degrees, the upper end of the crank arm connecting rod 6 is welded with a short column, a balancing weight 7 is sleeved on the short column, and the rotating angle of the crank arm connecting rod 6 is utilized to drive the compression roller 8 to compress the plastic film so as to further realize tensioning, wherein the balancing weight 7 has the main function of preventing the lower end of the crank arm connecting rod 6 from being overweight due to the gravity of the compression roller 8, so that torsion is generated at the output end of the motor 5, and the service life of the motor 5 (model: ZGA25RP) is shortened.
In fig. 2, the width of first drive roller 3 and second drive roller 4 equals with the width of guard box 1, and compression roller 8 is located the central point extension between first drive roller 3 and second drive roller 4, and the effect of this structure is that plastic film exports from guard box 1 to outside, be can complete overlap joint on first drive roller 3 and second drive roller 4, and can not deviate, and the mounted position of compression roller 8 is favorable to plastic film to bear even pulling force, prevents that plastic film from causing the fracture because the pulling force of single point is too big.
In 3, the back one side symmetry of fixed plate 2 is provided with first rim plate 16 and second rim plate 15, and the end connection of first rim plate 16 and first drive roller 3, and second rim plate 15 and 4 end connections of second drive roller, and first rim plate 16 and second rim plate 15 drive first drive roller 3 and the rotation of second drive roller 4 as driver part.
In fig. 3, a driver 17 (model: Y-160L-6) is arranged below an extension line of a central point between the first wheel disc 16 and the second wheel disc 15, a belt 18 is sleeved on the driving ends of the first wheel disc 16, the second wheel disc 15 and the driver 17 together, the driver 17 is used as a power source to drive the belt 18 to rotate, and then the belt 18 is used to drive the first wheel disc 16 and the second wheel disc 15 to rotate.
In fig. 3, a motor 5 is mounted on the back surface of the fixed plate 2 and at the lower right of the driver 17, a driving end of the motor 5 penetrates the fixed plate 2 and is fixedly connected with a bending point of the crank arm link 6, and the motor 5 is a power source for rotating the crank arm link 6.
In fig. 2, the thickness of the driving wheel 11, the auxiliary wheel 10 and the tension wheel 9 are all equal, the thickness of the driving wheel 11 is half of the width of the protection box 1, the diameter of the tension wheel 9 is half of the diameter of the auxiliary wheel 10, and the diameter of the auxiliary wheel 10 is half of the diameter of the driving wheel 11, the structure has the function of preventing the driving wheel 11, the auxiliary wheel 10 and the tension wheel 9 from rubbing with the inner wall of the protection box to cause abrasion when rotating, and simultaneously, the structure can meet the requirement of spreading and opening plastic films in the transportation process.
The utility model discloses a theory of operation is: when in use, a plastic film is sequentially paved on a driving wheel 11 and an auxiliary wheel 10, a tension wheel 9 is always positioned above the plastic film, then the end part of the plastic film extends out of a protection box 1 and sequentially bypasses a first driving roller 3 and a second driving roller 4, attention needs to be paid that a compression roller 8 is ensured to be positioned at the inner side of the plastic film, then tensioning is adjusted according to needs, a cylinder 14 drives a movable block 13 to move up and down through a connecting rod 12, so that the tension wheel 9 at the front end of the movable block 13 is adhered to the plastic film with different degrees of force, first tensioning is realized, then a motor 5 drives a crank arm connecting rod 6 to rotate, the compression roller 8 is driven to perform radian movement when the crank arm connecting rod 6 rotates, so that the plastic film is compressed to realize secondary tensioning, in the process, a driver 17 is used as a power source to drive a belt 18 to rotate, and then the belt 18 is used to drive a first wheel disc 16 and a second wheel disc 15 to rotate, the first wheel disc 16 and the second wheel disc 15 are used as driving parts to drive the first driving roller 3 and the second driving roller 4 to rotate, so that the plastic film is conveyed.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a overspeed device tensioner is used in plastic film printing, includes guard box (1), its characterized in that: both sides and center department all are provided with drive wheel (11) around the inner wall of guard box (1), be equipped with between drive wheel (11) auxiliary wheel (10), and cylinder (14) are installed to the upper end of guard box (1), the output of cylinder (14) is connected with connecting rod (12), and goes out the end of connecting rod (12) and has cup jointed movable block (13), and the front end of movable block (13) is provided with straining wheel (9), the front end welding of guard box (1) has fixed plate (2), and the upper end symmetry of fixed plate (2) is equipped with first drive roller (3) and second drive roller (4), the oblique below activity of second drive roller (4) is provided with bent arm connecting rod (6), and the bottom fixedly connected with compression roller (8) of bent arm connecting rod (6).
2. The tensioning device for plastic film printing as claimed in claim 1, characterized in that the bending degree of the crank arm connecting rod (6) is one hundred twenty degrees, and a short column is welded on the upper end of the crank arm connecting rod (6), and a balancing weight (7) is sleeved on the short column.
3. The tensioning device for plastic film printing as claimed in claim 1, characterized in that the width of the first drive roller (3) and the second drive roller (4) is equal to the width of the protective box (1), and the pressure roller (8) is located on the extension of the center point between the first drive roller (3) and the second drive roller (4).
4. The tensioning device for plastic film printing as claimed in claim 1, characterized in that a first wheel disc (16) and a second wheel disc (15) are symmetrically arranged on one side of the back face of the fixing plate (2), the first wheel disc (16) is connected with the end of the first driving roller (3), and the second wheel disc (15) is connected with the end of the second driving roller (4).
5. The tensioning device for plastic film printing as claimed in claim 4, characterized in that a drive (17) is arranged below the extension of the center point between the first wheel disc (16) and the second wheel disc (15), and a belt (18) is jointly sleeved on the drive ends of the first wheel disc (16) and the second wheel disc (15) and the drive (17).
6. The tensioning device for plastic film printing as claimed in claim 5, characterized in that a motor (5) is mounted on the rear side of the fixing plate (2) and at the lower right of the driver (17), and the driving end of the motor (5) penetrates through the fixing plate (2) and is fixedly connected with the bending point of the crank arm connecting rod (6).
7. The tensioning device for plastic film printing as claimed in claim 1, characterized in that the thickness of the drive wheel (11), the auxiliary wheel (10) and the tension wheel (9) are all equal, and the thickness of the drive wheel (11) is half the width of the protective box (1), the diameter of the tension wheel (9) is half the diameter of the auxiliary wheel (10), and the diameter of the auxiliary wheel (10) is half the diameter of the drive wheel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953950.XU CN214086940U (en) | 2020-12-08 | 2020-12-08 | Tensioning device for plastic film printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953950.XU CN214086940U (en) | 2020-12-08 | 2020-12-08 | Tensioning device for plastic film printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214086940U true CN214086940U (en) | 2021-08-31 |
Family
ID=77461654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022953950.XU Active CN214086940U (en) | 2020-12-08 | 2020-12-08 | Tensioning device for plastic film printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214086940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801426A (en) * | 2022-04-26 | 2022-07-29 | 合肥烟草工贸总公司 | Cigarette paper printing damping device |
-
2020
- 2020-12-08 CN CN202022953950.XU patent/CN214086940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801426A (en) * | 2022-04-26 | 2022-07-29 | 合肥烟草工贸总公司 | Cigarette paper printing damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230529 Address after: Room 117, Building 2, No. 86 Zhujiadun, Beizhuang Village, Chongxian Street, Linping District, Hangzhou City, Zhejiang Province, 311100 Patentee after: Hangzhou Zhengdao Packaging Products Co.,Ltd. Address before: 510000 No. 7, 17th lane, team 14, Pingxi, Huadu District, Guangzhou City, Guangdong Province Patentee before: Tian Wenjun |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240428 Address after: No. 29 Qinglongzui Community, Nanxi Village, Jingkou Town, Shapingba District, Chongqing, 400000 Patentee after: Chongqing Yichaifeng Printing Co.,Ltd. Country or region after: China Address before: Room 117, Building 2, No. 86 Zhujiadun, Beizhuang Village, Chongxian Street, Linping District, Hangzhou City, Zhejiang Province, 311100 Patentee before: Hangzhou Zhengdao Packaging Products Co.,Ltd. Country or region before: China |