CN210364736U - Paper rewinding tensioning device - Google Patents
Paper rewinding tensioning device Download PDFInfo
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- CN210364736U CN210364736U CN201921127954.3U CN201921127954U CN210364736U CN 210364736 U CN210364736 U CN 210364736U CN 201921127954 U CN201921127954 U CN 201921127954U CN 210364736 U CN210364736 U CN 210364736U
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Abstract
The utility model belongs to the technical field of print, in particular to paper roll tensioning device returns. The paper clip comprises a central shaft, a rewinding shaft, a rotary driving mechanism, an elastic sheet, a bottom paper clip and a supporting plate, wherein one end of the central shaft is fixedly connected with the supporting plate, the other end of the central shaft is a free end, the rewinding shaft is rotatably sleeved on the central shaft, the rotary driving mechanism is arranged on the supporting plate and connected with the rewinding shaft, the rotary driving mechanism is used for driving the rewinding shaft to rotate, and the elastic sheet is arranged on the outer circumference of the rewinding shaft; when the base paper needs to be wound on the paper winding cylinder, the paper winding cylinder is sleeved on the rewinding shaft, and the inner side of the paper winding cylinder is supported by the tension of the elastic sheet; when the paper winding barrel is not needed, the end part of the backing paper is clamped on the rewinding shaft through the backing paper clamp. The utility model discloses simple structure, convenient operation can make the base stock keep the tensioning state always, accomplishes the automatic base stock action of receiving.
Description
Technical Field
The utility model belongs to the technical field of print, in particular to paper roll tensioning device returns.
Background
At present, labels are usually adhered to packing box products to be used as identity recognition of the products, so that when the labels are adhered to the surfaces of the products, on one hand, the accurate position of label adhesion needs to be guaranteed, and on the other hand, the high efficiency and automation of labeling are guaranteed. Nowadays, the requirement of the industry for automatic production is increasing day by day, the use of automatic printers and labeling machines on the production line is increasing, and most factories use automatic labeling machines and marking machines to replace manual labeling, so as to realize automatic production. In the process of printing the film without the backing paper, the adhesive paper is directly adhered to the adhered object after the content is printed, and the backing paper does not need to be recycled. However, in the case of a film having a backing paper, the backing paper cannot be recovered during printing. Therefore, a bottom paper recycling device is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a paper roll tensioning device returns to solve the problem that current printer can't retrieve the base stock.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a paper rewinding roll tensioning device comprises a central shaft, a paper rewinding roll, a rotary driving mechanism, an elastic sheet, a bottom paper clamp and a supporting plate, wherein one end of the central shaft is fixedly connected with the supporting plate, the other end of the central shaft is a free end, the paper rewinding roll is rotatably sleeved on the central shaft, the rotary driving mechanism is arranged on the supporting plate and connected with the paper rewinding roll, the rotary driving mechanism is used for driving the paper rewinding roll to rotate, and the bottom paper clamp is used for clamping the end part of bottom paper on the paper rewinding roll; the elastic sheet is arranged on the outer circumference of the rewinding shaft, and when the base paper needs to be wound on the paper roll, the paper roll is sleeved on the rewinding shaft, and the inner side of the paper roll is supported by the tension of the elastic sheet.
The two sides of the rewinding shaft are symmetrically provided with grooves parallel to the axis, the bottom paper clip is of a U-shaped structure, and the bottom paper clip is matched with the grooves in the two sides of the rewinding shaft to clamp the bottom paper.
One end of the elastic sheet is fixedly connected with the rewinding shaft, the other end of the elastic sheet is provided with a sliding groove, a limiting pin fixedly connected with the rewinding shaft is arranged in the sliding groove, the other end of the elastic sheet can slide along the axial direction, and the sliding stroke is limited by the limiting pin.
The elastic sheet is of an arch structure.
The two ends of the central shaft are respectively provided with a copper sleeve I and a copper sleeve II, the central shaft can rotate relative to the copper sleeve I and the copper sleeve II, the rewinding shaft is sleeved on the outer sides of the copper sleeve I and the copper sleeve II, and the two ends of the rewinding shaft are axially limited through a clamping spring.
And the inner side end of the rewinding shaft is radially provided with a shielding plate with a circular structure.
The rewinding shaft is made of plastic materials.
The rotary driving mechanism comprises a stepping motor and a gear reduction mechanism, an output shaft of the stepping motor is connected with an input end of the gear reduction mechanism, and an output end of the gear reduction mechanism is connected with the rewinding shaft.
The gear reduction mechanism comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a sixth gear, wherein the first gear is installed on an output shaft of the stepping motor, the sixth gear is installed on the rewinding shaft, the second gear, the third gear, the fourth gear and the fifth gear are all installed on the supporting plate, the second gear and the third gear are coaxially installed, the second gear is meshed with the first gear to form primary reduction, the fourth gear and the fifth gear are coaxially installed, the fourth gear is meshed with the third gear to form secondary reduction, and the fifth gear is meshed with the sixth gear to form tertiary reduction.
The utility model has the advantages and beneficial effects of it is following: the utility model discloses simple structure, convenient operation, step motor are from taking the damping effect, can make the base stock keep the tensioning state always, accomplish the automatic base stock action of receiving.
The utility model discloses a U type base stock presss from both sides, can easily fix the base stock on the rewind axle, and the base stock presss from both sides dismantlement and installation are more convenient.
The utility model discloses a set up in the fixed fiber container of the epaxial elastic sheet of backrush, make the fiber container take the convenience, can reduce the time of assembly and operation, improve production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an isometric view of the present invention;
FIG. 3 is an enlarged view taken at I in FIG. 2;
fig. 4 is a schematic structural view of the speed reducing mechanism of the present invention;
fig. 5 is a schematic view of the internal structure of the present invention;
fig. 6 is a schematic view of the working state of the present invention.
In the figure: the automatic printing machine comprises a central shaft 1, a copper sleeve I2, a rewinding shaft 3, a copper sleeve II 4, a gear reduction mechanism 5, a stepping motor 6, a spring plate 7, a backing paper clamp 8, a supporting plate 9, a fixing frame 10, a stripping sheet 11, a printing unit 12, a shielding plate 13, a floating supporting roller 14, a paper supporting frame 15, a printing paper mother roll 16, a guide rod A17, a guide rod B18, backing paper 19, a limiting pin 20, a sliding groove 21, a first gear Z1, a second gear Z2, a third gear Z3, a fourth gear Z4, a fifth gear Z5 and a sixth gear Z6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the utility model provides a paper rewinding roll tensioning device, including a central shaft 1, a rewinding shaft 3, a rotary driving mechanism, a spring plate 7, a bottom paper clip 8 and a supporting plate 9, wherein one end of the central shaft 1 is fixedly connected with the supporting plate 9, the other end is a free end, the rewinding shaft 3 is rotatably sleeved on the central shaft 1, the rotary driving mechanism is arranged on the supporting plate 9 and connected with the rewinding shaft 3, and the rotary driving mechanism is used for driving the rewinding shaft 3 to rotate; the backing paper clamp 8 is used for clamping the end part of the backing paper on the rewinding shaft 3; the elastic sheet 7 is arranged on the outer circumference of the rewinding shaft 3, and when the base paper needs to be wound on the paper roll, the paper roll is sleeved on the rewinding shaft 3, and the inner side of the paper roll is supported by the tension of the elastic sheet 7.
Furthermore, the two sides of the rewinding shaft 3 are symmetrically provided with grooves parallel to the axis, the bottom paper clamp 8 is of a U-shaped structure, and the bottom paper is clamped through matching with the grooves on the two sides of the rewinding shaft 3.
As shown in fig. 2-3, the resilient tab 7 has an arcuate structure. One end of the elastic sheet 7 is fixedly connected with the rewinding shaft 3, the other end of the elastic sheet is provided with a sliding groove 21, a limiting pin 20 fixedly connected with the rewinding shaft 3 is arranged in the sliding groove 21, the other end of the elastic sheet 7 can axially slide, and the sliding stroke is limited by the limiting pin 20. The spring plate 7 with the arch structure supports the inner side of the paper roll by using tension, and the paper roll rotates along with the rewinding shaft 3.
The inner side end of the rewinding shaft 3 is provided with a shielding plate 13 with a circular structure along the radial direction, and the rewinding shaft 3 is connected with the shielding plate 13 in a clamping sleeve type. In the embodiment of the present invention, the rewinding shaft 3 and the shielding plate 13 are made of plastic material.
As shown in fig. 5, the both ends of center pin 1 are equipped with copper sheathing I2 and copper sheathing II 4 respectively, and center pin 1 can rotate with copper sheathing I2 and copper sheathing II 4 relatively, and the outside of copper sheathing I2 and copper sheathing II 4 is located to 3 covers of backrush axle, and rotates with copper sheathing I2 and copper sheathing II 4 synchronous, and it is spacing that the jump ring axial is passed through at the both ends of backrush axle 3.
The rotary driving mechanism comprises a stepping motor 6 and a gear reducing mechanism 5, an output shaft of the stepping motor 6 is connected with an input end of the gear reducing mechanism 5, and an output end of the gear reducing mechanism 5 is connected with the rewinding shaft 3.
As shown in fig. 4, the gear reduction mechanism 5 performs three-stage speed reduction, the gear reduction mechanism 5 includes a first gear Z1, a second gear Z2, a third gear Z3, a fourth gear Z4, a fifth gear Z5 and a sixth gear Z6, wherein the first gear Z1 is mounted on the output shaft of the stepping motor 6, the sixth gear Z6 is mounted on the rewinding shaft 3, the second gear Z2, the third gear Z3, the fourth gear Z4 and the fifth gear Z5 are mounted on the support plate 9, the second gear Z2 and the third gear Z3 are coaxially mounted, the second gear Z2 meshes with the first gear Z1 to form a first-stage speed reduction mechanism, the fourth gear Z4 and the fifth gear Z5 are coaxially mounted, the fourth gear Z4 meshes with the third gear Z3 to form a second-stage speed reduction mechanism, and the fifth gear Z5 meshes with the sixth gear Z6 to form a third-stage speed reduction mechanism.
The utility model discloses a theory of operation is:
as shown in fig. 6, will the utility model provides a paper rewinding tensioning device sets up on mount 10, and be located the rear side of printing unit 12, beat the female book 16 of printing paper and install on holding in the palm paper frame 15, beat printing paper that the female book 16 of printing paper was drawn forth and enter into printing unit 12 behind unsteady backing roll 14, the base stock that will beat printing paper and the label paper separation of taking the glue through stripping off piece 11 in the exit slot department of printing unit 12, the base stock is buckled downwards behind guide bar A17 and the guide bar B18 of printing unit 12 bottom, the base stock twines on the paper rewinding axle 3, the base stock presss from both sides 8 card in the recess of rewinding axle 3 both sides, it is fixed to the centre with the base stock clamp. The gear reducing mechanism 5 and the rewinding shaft 3 are driven to rotate by the stepping motor 6, so that the base paper is tensioned and wound on the rewinding shaft 3 to form a rewinding roll, and the winding action is finished. The stepping motor 6 has a damping effect, so that the base paper can be always kept in a tensioning state and automatically collected without additionally designing an additional structure. When paper rewinding needs to install the paper winding drum, the bottom paper clamp 8 is detached, the paper winding drum is sleeved on the paper rewinding shaft 3 and is elastically fixed through the elastic sheet 7, the bottom paper is wound on the paper winding drum to form the paper rewinding drum, the paper rewinding drum can be directly taken down from the paper rewinding shaft 3, the assembling and operating time can be shortened, and the production efficiency is improved.
The above description is only for the embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (9)
1. A paper rewinding roll tensioning device is characterized by comprising a central shaft (1), a rewinding shaft (3), a rotary driving mechanism, an elastic sheet (7), a bottom paper clamp (8) and a supporting plate (9), wherein one end of the central shaft (1) is fixedly connected with the supporting plate (9), the other end of the central shaft is a free end, the rewinding shaft (3) is rotatably sleeved on the central shaft (1), the rotary driving mechanism is arranged on the supporting plate (9) and connected with the rewinding shaft (3), the rotary driving mechanism is used for driving the rewinding shaft (3) to rotate, and the bottom paper clamp (8) is used for clamping the end part of bottom paper on the rewinding shaft (3); the elastic sheet (7) is arranged on the outer circumference of the rewinding shaft (3), and when the base paper needs to be wound on the paper winding cylinder, the paper winding cylinder is sleeved on the rewinding shaft (3) and the inner side of the paper winding cylinder is supported by the tension of the elastic sheet (7).
2. The reel-back tensioning device according to claim 1, characterized in that the reel-back shaft (3) is symmetrically provided with grooves parallel to the axis on both sides, the backing paper clip (8) is of a U-shaped structure, and the clamping of the backing paper is realized by matching with the grooves on both sides of the reel-back shaft (3).
3. The rewinding roll tensioning device according to claim 1, characterized in that one end of the resilient tab (7) is fixedly connected to the rewinding roll (3), the other end of the resilient tab is provided with a sliding slot (21), a limit pin (20) fixedly connected to the rewinding roll (3) is disposed in the sliding slot (21), the other end of the resilient tab (7) can slide axially, and the sliding stroke is limited by the limit pin (20).
4. A reel-back tensioning device according to claim 3, characterized in that the resilient tab (7) is of arcuate configuration.
5. The rewinding roll tensioning device according to claim 1, characterized in that two ends of the central shaft (1) are respectively provided with a copper sleeve I (2) and a copper sleeve II (4), the central shaft (1) can rotate relative to the copper sleeves I (2) and II (4), the rewinding roll (3) is sleeved outside the copper sleeves I (2) and II (4), and two ends of the rewinding roll (3) are axially limited by snap springs.
6. Reel-back tensioning device according to claim 1, characterized in that the inner end of the reel-back shaft (3) is provided radially with a shutter (13) of circular configuration.
7. Reel-up tensioning device according to claim 1, characterized in that the reel-up spool (3) is made of plastic material.
8. A reel-back tensioning device according to claim 1, characterized in that the rotary driving mechanism comprises a stepping motor (6) and a gear reduction mechanism (5), an output shaft of the stepping motor (6) is connected with an input end of the gear reduction mechanism (5), and an output end of the gear reduction mechanism (5) is connected with the reel-back shaft (3).
9. Reel-back tensioning device according to claim 8, characterized in that the gear reduction mechanism (5) comprises a first gear (Z1), a second gear (Z2), a third gear (Z3), a fourth gear (Z4), a fifth gear (Z5) and a sixth gear (Z6), wherein the first gear (Z1) is mounted on the output shaft of the stepper motor (6), the sixth gear (Z6) is mounted on the reel-back shaft (3), the second gear (Z2), the third gear (Z3), the fourth gear (Z4) and the fifth gear (Z5) are mounted on the supporting plate (9), the second gear (Z2) and the third gear (Z3) are mounted coaxially, and the second gear (Z2) meshes with the first gear (Z1), forming a first reduction, the fourth gear (Z6) and the fifth gear (Z5) are mounted coaxially, and the fourth gear (Z4) meshes with the third gear (Z4) 73727), two-stage speed reduction is formed, and the fifth gear (Z5) is meshed with the sixth gear (Z6) to form three-stage speed reduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127954.3U CN210364736U (en) | 2019-07-18 | 2019-07-18 | Paper rewinding tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127954.3U CN210364736U (en) | 2019-07-18 | 2019-07-18 | Paper rewinding tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210364736U true CN210364736U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921127954.3U Active CN210364736U (en) | 2019-07-18 | 2019-07-18 | Paper rewinding tensioning device |
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| Country | Link |
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| CN (1) | CN210364736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102406006B1 (en) * | 2021-12-23 | 2022-06-08 | (주)신흥이앤지 | Cable tension adjuster |
| CN114605034A (en) * | 2022-03-15 | 2022-06-10 | 四川达沃斯生态环保科技股份有限公司 | Modularized biological sewage treatment synergistic device |
-
2019
- 2019-07-18 CN CN201921127954.3U patent/CN210364736U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102406006B1 (en) * | 2021-12-23 | 2022-06-08 | (주)신흥이앤지 | Cable tension adjuster |
| CN114605034A (en) * | 2022-03-15 | 2022-06-10 | 四川达沃斯生态环保科技股份有限公司 | Modularized biological sewage treatment synergistic device |
| CN114605034B (en) * | 2022-03-15 | 2024-04-26 | 四川达沃斯生态环保科技股份有限公司 | Modularized biological sewage treatment synergistic device |
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