CN217126391U - Tension adjusting device of rewinding machine - Google Patents
Tension adjusting device of rewinding machine Download PDFInfo
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- CN217126391U CN217126391U CN202221026984.7U CN202221026984U CN217126391U CN 217126391 U CN217126391 U CN 217126391U CN 202221026984 U CN202221026984 U CN 202221026984U CN 217126391 U CN217126391 U CN 217126391U
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- screw rod
- adjusting roller
- lead screw
- rewinding machine
- adjusting
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Abstract
The utility model discloses a tension adjusting device of a rewinding machine, which comprises a first adjusting roller, wherein two sides of the bottom of the first adjusting roller are respectively provided with a second adjusting roller which is arranged in parallel with the first adjusting roller; two ends of the second adjusting roller are respectively provided with a sliding block, the sliding blocks are respectively in threaded connection with a main body of a horizontal screw rod, the horizontal screw rods are installed in the base, and the middle parts of the horizontal screw rods are respectively provided with a driving bevel gear; a gear seat is fixedly arranged above the middle part of the base respectively, a vertical screw rod vertical to the horizontal screw rod penetrates through the gear seat, and a driven bevel gear meshed with the driving bevel gear is assembled at the lower end part of the vertical screw rod; and the vertical screw rod is respectively in threaded connection with a screw rod nut, and the screw rod nut is rotationally connected with a shaft head of the first adjusting roller. The utility model provides a pair of rewinding machine tension adjusting device, structural design is reasonable, and stability is good, can enlarge tensile accommodation, has effectively improved the quality of rewinding.
Description
Technical Field
The utility model relates to a rewinding machine tension adjusting device belongs to tension adjusting device technical field.
Background
The rewinding machine is a special device for paper, films and mica tapes, and is used for rewinding a paper roll produced by a paper machine, the paper roll can be made into a finished product after rewinding, and a tension adjusting device is needed to adjust the tension of the paper when the rewinding machine rewinds the paper.
The tension adjusting device of the traditional rewinding machine has two common types, one type is that the magnetic powder clutch is connected with the output end of the motor for transmission, and the control mode is that the current of the magnetic powder clutch is controlled through a tension sensor and a tension controller, so that the tension and the running speed of a strip are controlled. Because the magnetic powder clutch controls the tension by adopting the current of electrifying the magnetic powder, the larger the tension is, the larger the generated heat is in the rewinding process, the magnetic powder clutch is easy to heat in the operation process to cause the failure of the magnetic powder, the faults of unstable tension and the like can be generated after the magnetic powder is used for a long time, the great influence is brought to the normal production and maintenance, and the fault rate and the maintenance cost are higher; the other type is that the cylinder stretches out and draws back to drive the adjusting roller to move, realizes the regulation of tension, and the regulation range of tension in this mode relies on the stroke of cylinder to decide, leads to the regulation range of tension to be limited.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough in the background art, provide a rewinding machine tension adjusting device, structural design is reasonable, and stability is good, can enlarge tensile accommodation, has effectively improved the quality of rewinding.
For solving the technical problem, the utility model discloses a following technical scheme:
a tension adjusting device of a rewinding machine comprises a first adjusting roller, wherein two sides of the bottom of the first adjusting roller are respectively provided with a second adjusting roller which is arranged in parallel with the first adjusting roller;
two ends of the second adjusting roller are respectively provided with a sliding block, the sliding blocks are respectively in threaded connection with a main body of a horizontal screw rod, the horizontal screw rods are installed in the base, and the middle parts of the horizontal screw rods are respectively provided with a driving bevel gear;
a gear seat is fixedly arranged above the middle part of the base respectively, a vertical screw rod vertical to the horizontal screw rod penetrates through the gear seat, and a driven bevel gear meshed with the driving bevel gear is assembled at the lower end part of the vertical screw rod; and the vertical screw rod is respectively in threaded connection with a screw rod nut, and the screw rod nut is rotationally connected with a shaft head of the first adjusting roller.
According to an optimized scheme, the first adjusting roller and the second adjusting roller are located between the unwinding roller and the winding roller.
Further, a bearing is installed in the gear seat and rotatably supports the vertical screw rod.
Further, the second adjusting roller is in rolling connection with the sliding block.
Further, the horizontal lead screw is a bidirectional lead screw, and the sliding blocks are installed on two sides of the horizontal lead screw.
Further, horizontal lead screw and base one-to-one setting, horizontal lead screw's both ends are rotated with the base and are connected, and the top of base is equipped with rectangular slide opening.
Further, the quantity of horizontal lead screw is two, and two horizontal lead screws are parallel arrangement, install driven synchronous pulley on the spindle nose of horizontal lead screw one end, and driven synchronous pulley's quantity is two, is equipped with initiative synchronous pulley between two driven synchronous pulley.
Further, the driven synchronous pulley and the driving synchronous pulley are driven by a synchronous belt; the driving synchronous belt wheel is arranged on an output shaft of the motor.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
in the utility model, by arranging the first adjusting roller and the two second adjusting rollers, the two second adjusting rollers move back to back while the first adjusting roller moves upwards, the second adjusting roller is matched with the first adjusting roller to increase the paper tension, the two second adjusting rollers move towards each other while the first adjusting roller moves downwards, and the second adjusting roller is matched with the first adjusting roller to decrease the paper tension;
the utility model adjusts the tension by the mutual matching of the first adjusting roller and the second adjusting roller, which can enlarge the tension adjusting range and effectively improve the rewinding quality; the utility model has the advantages of reasonable design, no complicated part and easy damage part have the advantage that stability is good.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a structural sectional view of the present invention;
fig. 3 is a top view of the structure of the present invention.
In the figure, 1-a first adjusting roller, 2-a second adjusting roller, 3-an unreeling roller, 4-a reeling roller, 5-a sliding block, 6-a base, 7-a horizontal screw rod, 8-a driven synchronous pulley, 9-a driving synchronous pulley, 10-a synchronous belt, 11-a motor, 12-a driving bevel gear, 13-a gear seat, 14-a vertical screw rod, 15-a bearing, 16-a driven bevel gear and 17-a screw nut.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model provides a tension adjusting device of a rewinding machine, which comprises a first adjusting roller 1, and two sides of the bottom of the first adjusting roller 1 are respectively provided with a second adjusting roller 2 which is arranged in parallel with the first adjusting roller; the first adjusting roller 1 can move up and down, and the two second adjusting rollers 2 can move towards or away from each other.
First regulating roller 1 and second regulating roller 2 are located unreel between roller 3 and the wind-up roll 4, and first regulating roller 1 and two second regulating roller 2 mutually support the realization to the regulation of paper tension.
Two ends of the second adjusting roller 2 are respectively provided with a sliding block 5, and the second adjusting roller 2 is in rolling connection with the sliding blocks 5; the sliders 5 are respectively in threaded connection with the main body of the horizontal lead screw 7, the horizontal lead screw 7 is a bidirectional lead screw, and the sliders 5 are installed on two sides of the horizontal lead screw 7.
The number of the horizontal screw rods 7 is two, the two horizontal screw rods 7 are arranged in parallel, driven synchronous belt pulleys 8 are arranged on a shaft head at one end of each horizontal screw rod 7, the number of the driven synchronous belt pulleys 8 is two, and a driving synchronous belt pulley 9 is arranged between the two driven synchronous belt pulleys 8; the driven synchronous pulley 8 and the driving synchronous pulley 9 are driven by a synchronous belt 10; the driving synchronous pulley 9 is mounted on an output shaft of the motor 11.
The motor 11 drives the two horizontal lead screws 7 to synchronously rotate through belt transmission, and the horizontal lead screws 7 drive the two second adjusting rollers 2 to move in the opposite directions or in the opposite directions through the sliding blocks 5 in the rotating process.
The middle part of the horizontal lead screw 7 is provided with a driving bevel gear 12.
A gear seat 13 is fixedly arranged above the middle part of the base 6 respectively, a vertical screw 14 penetrates through the gear seat 13, and the vertical screw 14 is perpendicular to the horizontal screw 7; a bearing 15 is arranged in the gear seat 13, and the vertical screw 14 is rotatably supported by the bearing 15; the lower end of the vertical screw shaft 14 is fitted with a driven bevel gear 16 engaged with the drive bevel gear 12.
And the vertical screw 14 is respectively in threaded connection with a screw nut 17, and the screw nut 17 is rotationally connected with a shaft head of the first adjusting roller 1.
The utility model discloses a concrete theory of operation:
the utility model provides a first regulating roll 1 and second regulating roll 2 are located unreel roller 3 and wind-up roll 4 between, realize tensile regulation under the cooperation of first regulating roll 1 and two second regulating rolls 2 through the paper that unreels roller 3 and emit, and the paper after adjusting tension carries out the rewinding through wind-up roll 4.
When the tension of paper needs to be increased in the rewinding process, the motor 11 drives the two horizontal screws 7 to synchronously rotate through belt transmission, the two second adjusting rollers 2 are driven to move back to back through the sliding block 5 in the rotation process of the horizontal screws 7, power is transmitted to the vertical screw 14 through the bevel gear in the rotation process of the horizontal screws 7, the first adjusting roller 1 is driven to move upwards through the screw nut 17, and the back to back movement of the two second adjusting rollers 2 and the lifting movement of the first adjusting roller 1 are matched with each other to increase the tension of the paper;
when the tension of the paper needs to be reduced in the rewinding process, the motor 11 rotates reversely to enable the two second adjusting rollers 2 to move oppositely and enable the first adjusting roller 1 to move downwards, and the opposite movement of the two second adjusting rollers 2 and the descending movement of the first adjusting roller 1 are matched with each other to reduce the tension of the paper.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (8)
1. The utility model provides a rewinding machine tension adjusting device which characterized in that: comprises a first adjusting roller (1), and second adjusting rollers (2) which are arranged in parallel with the first adjusting roller (1) are respectively arranged on two sides of the bottom of the first adjusting roller;
two ends of the second adjusting roller (2) are respectively provided with a sliding block (5), the sliding blocks (5) are respectively in threaded connection with a main body of a horizontal lead screw (7), the horizontal lead screw (7) is installed in a base (6), and the middle part of the horizontal lead screw (7) is provided with a driving bevel gear (12);
a gear seat (13) is fixedly arranged above the middle part of the base (6) respectively, a vertical screw rod (14) vertical to the horizontal screw rod (7) penetrates through the gear seat (13), and a driven bevel gear (16) meshed with the driving bevel gear (12) is assembled at the lower end part of the vertical screw rod (14); and the vertical screw rod (14) is respectively in threaded connection with a screw rod nut (17), and the screw rod nut (17) is rotationally connected with a shaft head of the first adjusting roller (1).
2. A rewinding machine tension adjustment device as claimed in claim 1, characterized in that: the first adjusting roller (1) and the second adjusting roller (2) are positioned between the unwinding roller (3) and the winding roller (4).
3. A rewinding machine tension adjustment device as claimed in claim 1, characterized in that: and a bearing (15) is installed in the gear seat (13), and the bearing (15) rotatably supports the vertical screw rod (14).
4. A rewinding machine tension adjustment device as claimed in claim 1, characterized in that: the second adjusting roller (2) is in rolling connection with the sliding block (5).
5. A rewinding machine tension adjustment device as claimed in claim 1, characterized in that: the horizontal lead screw (7) is a bidirectional lead screw, and the sliding blocks (5) are arranged on two sides of the horizontal lead screw (7).
6. A rewinding machine tension adjusting device as claimed in claim 5, characterized in that: horizontal lead screw (7) and base (6) one-to-one setting, the both ends of horizontal lead screw (7) are rotated with base (6) and are connected, and the top of base (6) is equipped with rectangular slide opening.
7. A rewinding machine tension adjusting device as claimed in claim 6, characterized in that: the quantity of horizontal lead screw (7) is two, and two horizontal lead screw (7) are parallel arrangement, install driven synchronous pulley (8) on the spindle nose of horizontal lead screw (7) one end, and the quantity of driven synchronous pulley (8) is two, is equipped with initiative synchronous pulley (9) between two driven synchronous pulley (8).
8. A rewinding machine tension adjusting device as claimed in claim 7, characterized in that: the driven synchronous pulley (8) and the driving synchronous pulley (9) are driven by a synchronous belt (10); the driving synchronous belt wheel (9) is arranged on an output shaft of the motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221026984.7U CN217126391U (en) | 2022-04-28 | 2022-04-28 | Tension adjusting device of rewinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221026984.7U CN217126391U (en) | 2022-04-28 | 2022-04-28 | Tension adjusting device of rewinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217126391U true CN217126391U (en) | 2022-08-05 |
Family
ID=82652185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221026984.7U Active CN217126391U (en) | 2022-04-28 | 2022-04-28 | Tension adjusting device of rewinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217126391U (en) |
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2022
- 2022-04-28 CN CN202221026984.7U patent/CN217126391U/en active Active
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