CN209973808U - Double-station unwinding device - Google Patents
Double-station unwinding device Download PDFInfo
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- CN209973808U CN209973808U CN201822001068.8U CN201822001068U CN209973808U CN 209973808 U CN209973808 U CN 209973808U CN 201822001068 U CN201822001068 U CN 201822001068U CN 209973808 U CN209973808 U CN 209973808U
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- rotating shaft
- shifting block
- unreeling
- shifting
- shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
A double-station unreeling device comprises a rack, a rotating shaft driving mechanism, a guide key, a clutch gear, a clutch sleeve, a shifting fork, a turning motor, a supporting shaft, a turning support, two unreeling shafts and two transmission gears, wherein the guide key is arranged on the rotating shaft and extends along the axial direction of the rotating shaft; the lower end of the shifting fork is provided with at least one shifting block, and the shifting block is positioned in the annular groove; the supporting shaft is parallel to the rotating shaft, the two unreeling shafts are arranged on the overturning bracket, and the axes of the two unreeling shafts are positioned on the same cylindrical surface taking the axis of the supporting shaft as a central line; the two transmission gears are respectively arranged on the two unreeling shafts and correspond to the positions of the clutch gears. The utility model discloses can change the book under the state of not shutting down, can guarantee the processingquality of film.
Description
Technical Field
The utility model relates to an unwinding device, concretely relates to duplex position unwinding device.
Background
The existing unreeling device of a printing machine comprises a rack, unreeling shafts and a driving motor, wherein the rack comprises two wallboards which are arranged side by side, two ends of each unreeling shaft are respectively connected with the two wallboards in a rotatable mode, and the unreeling shafts are in transmission connection with power output shafts of the driving motor. When the film unwinding device works, the driving motor drives the unwinding shaft and the film roll on the unwinding shaft to rotate together, and unwinding is realized. When the film is about to be used up, the film needs to be stopped, cut, rolled, spliced and released again, which not only causes inconvenience in operation, but also causes stagnation of production and wastes production time. In addition, each time the roll is stopped and replaced, the film is stopped in a certain processing section (such as a printing section) of the printing machine for a long time, which easily generates flaws on the film and reduces the processing quality of the film.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a duplex position unwinding device is provided, this kind of duplex position unwinding device can change the book under the state that does not shut down to it is easy and simple to handle, be favorable to guaranteeing the processingquality of film. The technical scheme is as follows:
the utility model provides a duplex position unwinding device, includes frame, pivot and pivot actuating mechanism, and pivot actuating mechanism installs in the frame, and the pivot is rotatable to be installed in the frame and set up along the horizontal direction, and the pivot is connected its characterized in that with pivot actuating mechanism's power take off end transmission: the double-station unreeling device further comprises a guide key, a clutch gear, a clutch sleeve, a shifting fork, a turning motor, a support shaft, a turning support, two unreeling shafts and two transmission gears, wherein the guide key is arranged on the rotating shaft and extends along the axial direction of the rotating shaft; the middle part of the shifting fork is hinged with the rack, the lower end of the shifting fork is provided with at least one shifting block, and the shifting block is positioned in the annular groove; the overturning device comprises a frame, a overturning motor, a supporting shaft, a rotating shaft, two unreeling shafts, a power output shaft; the two transmission gears are respectively arranged on the two unreeling shafts and correspond to the positions of the clutch gears, and the transmission gears are meshed with the clutch gears.
When the unwinding device works, the rotating shaft driving mechanism drives the rotating shaft to rotate, the clutch sleeve and the clutch gear are driven to rotate together through the guide key (the shifting block is positioned in the annular groove on the outer side surface of the clutch sleeve and cannot interfere with the rotation of the clutch sleeve), and then the unwinding shaft and the winding film on the unwinding shaft are driven to rotate together through the transmission gear, so that unwinding is realized. When the film on the unreeling shaft is unreeled and a new film roll needs to be replaced, the upper end of the shifting fork is pulled, and the clutch sleeve and the clutch gear are driven by the shifting block to move along the axial direction of the rotating shaft until the clutch gear is separated from the transmission gear; and then the overturning motor drives the supporting shaft to rotate to drive the overturning bracket and the two unreeling shafts to overturn together until the other unreeling shaft overturns to the unreeling station, the upper end of the shifting fork is pulled reversely, and the clutch sleeve and the clutch gear are driven to move reversely along the axial direction of the rotating shaft through the shifting block until the clutch gear is meshed with the corresponding transmission gear. After the film is continuously connected, the rotating shaft driving mechanism drives the rotating shaft to rotate, the clutch sleeve and the clutch gear are driven to rotate together through the guide key, and then the transmission gear and the unreeling shaft are driven to rotate together for unreeling; in the process of unreeling the other unreeling shaft, an operator can change the unreeling shaft which originally unreels the film. The double-station unreeling device can change the reel without stopping through the cooperation of the rotating shaft, the rotating shaft driving mechanism, the guide key, the clutch gear, the clutch sleeve, the shifting fork, the overturning motor, the supporting shaft, the overturning bracket, the two unreeling shafts and the two transmission gears, is simple and convenient to operate, can ensure the continuity of production, avoids the situation that the film stays in a certain processing working section (such as a printing working section) of a printing machine for a long time, and is favorable for ensuring the processing quality of the film.
The turnover motor has a self-locking function, or the transmission mechanism between the turnover motor and the supporting shaft has a self-locking structure (such as a worm and worm gear transmission mechanism), so that the turnover motor can stop the turnover support at the position after the turnover support is turned over to the unreeling required position.
In a preferable scheme, the two unreeling shafts are symmetrically distributed by taking the axis of the supporting shaft as a central line.
In the preferred scheme, the rotating shaft driving mechanism comprises a rotating shaft driving motor, a driving gear and a driven gear, the rotating shaft driving motor is installed on the rack, the driving gear is installed on a power output shaft of the rotating shaft driving motor, the driven gear is installed on the rotating shaft, and the driven gear is meshed with the driving gear. When the device works, the rotating shaft driving motor drives the driving gear to rotate, and the rotating shaft is driven to rotate through the driven gear.
In the preferred scheme, the lower end of the shifting fork is provided with an arc-shaped shifting block installation part, two ends of the shifting block installation part are respectively provided with one shifting block, and the two shifting blocks are located in the annular groove.
In a more preferred scheme, two ends of the shifting block mounting part are respectively provided with an adjusting screw hole and an adjusting bolt, the direction of the central line of the adjusting screw hole is consistent with the radial direction of the fixed shaft, a screw rod of the adjusting bolt is positioned in the adjusting screw hole, the shifting block is connected with the tail end of the screw rod of the adjusting bolt, a locking nut is mounted on the adjusting bolt, and the locking nut is positioned on the outer side of the shifting block mounting part and is in close contact with the shifting block mounting part. In this way, the depth of insertion of the shift blocks in the annular groove can be adjusted to ensure that the shift blocks are located in the annular groove but do not interfere with the rotation of the clutch sleeve. When in adjustment, the locking nut is firstly unscrewed, then the adjusting bolt is screwed, and the position of the shifting block is adjusted; after the position of the shifting block is determined, the locking nut is screwed down, and the adjusting bolt is fixed on the shifting block mounting part.
In a more preferable scheme, a handle is arranged at the upper end of the shifting fork. The handle can be held by the worker, so that the worker can operate the shifting fork more conveniently.
The utility model discloses a duplex position unwinding device can change the book under the state of not shutting down through pivot, pivot actuating mechanism, guide key, clutch gear, separation and reunion cover, shift fork, upset motor, back shaft, upset support, two unreel axle and two drive gear between, and is easy and simple to handle to can ensure the continuity of production, avoid the film to stop the condition emergence in certain processing workshop section (like the printing workshop section) of printing machine for a long time, thereby guarantee the processingquality of film.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention (wherein the shift fork is not shown).
Fig. 2 is a schematic diagram of the clutch sleeve, the shifting fork and the rotating shaft in the double-station unwinding device shown in fig. 1.
Detailed Description
As shown in fig. 1 and 2, the double-station unreeling device comprises a rack 1, a rotating shaft 2, a rotating shaft driving mechanism 3, a guide key 4, a clutch gear 5, a clutch sleeve 6, a shifting fork 7, a turning motor 8, a supporting shaft 9, a turning support 10, two unreeling shafts 11 and two transmission gears 12, wherein the rotating shaft driving mechanism 3 is installed on the rack 1, the rotating shaft 2 is rotatably installed on the rack 1 and arranged along the horizontal direction, and the rotating shaft 2 is in transmission connection with a power output end of the rotating shaft driving mechanism 3; the guide key 4 is arranged on the rotating shaft 2 and extends along the axial direction of the rotating shaft 2, the clutch gear 5 is sleeved on the rotating shaft 2 through a central hole, a first guide groove which can be in sliding fit with the guide key 4 is arranged on the inner wall of the central hole, the clutch sleeve 6 is sleeved on the rotating shaft 2 and is connected with the clutch gear 5, a second guide groove 61 which can be in sliding fit with the guide key 4 is arranged on the inner side surface of the clutch sleeve 6, and an annular groove 62 which extends along the circumferential direction of the clutch sleeve 6 is arranged on the outer side surface of the clutch sleeve 6; the middle part of the shifting fork 7 is hinged with the frame 1, two shifting blocks 13 are arranged at the lower end of the shifting fork 7, and the shifting blocks 13 are positioned in the annular groove 62; the overturning machine is characterized in that the overturning motor 8 is arranged on the rack 1, the supporting shaft 9 is rotatably arranged on the rack 1 and is in transmission connection with a power output shaft of the overturning motor 8, the supporting shaft 9 is parallel to the rotating shaft 2, the overturning bracket 10 is fixedly arranged on the supporting shaft 9, the two unreeling shafts 11 can be rotatably arranged on the overturning bracket 10, and the axes of the two unreeling shafts 11 are positioned on the same cylindrical surface taking the axis of the supporting shaft 9 as a central line; two transmission gears 12 are respectively arranged on the two unreeling shafts 11 and correspond to the positions of the clutch gears 5, wherein the transmission gears 12 are meshed with the clutch gears 5.
In the present embodiment, the two unreeling shafts 11 are symmetrically distributed with the axis of the supporting shaft 9 as a center line.
In this embodiment, the rotating shaft driving mechanism 3 includes a rotating shaft driving motor 31, a driving gear 32 and a driven gear 33, the rotating shaft driving motor 31 is installed on the frame 1, the driving gear 32 is installed on the power output shaft of the rotating shaft driving motor 31, the driven gear 33 is installed on the rotating shaft 2, and the driven gear 33 is engaged with the driving gear 32.
In this embodiment, the lower end of the shifting fork 7 is provided with an arc-shaped shifting block mounting part 71, the two shifting blocks 13 are respectively arranged at two ends of the shifting block mounting part 71, and the two shifting blocks 13 are both positioned in the annular groove 62; an adjusting screw hole 72 and an adjusting bolt 73 are respectively arranged at two ends of the shifting block mounting portion 71, the direction of the central line of the adjusting screw hole 72 is consistent with the radial direction of the fixed shaft, the screw rod of the adjusting bolt 73 is positioned in the adjusting screw hole 72, the shifting block 13 is connected with the tail end of the screw rod of the adjusting bolt 73, a locking nut 74 is mounted on the adjusting bolt 73, and the locking nut 74 is positioned on the outer side of the shifting block mounting portion 71 and is in close contact with the shifting block mounting portion 71.
In this embodiment, the upper end of the shift fork 7 is provided with a handle 75.
The working principle of the double-station unreeling device is briefly described as follows:
during operation, the rotating shaft driving motor 31 drives the driving gear 32 to rotate, the driven gear 33 drives the rotating shaft 2, the guide key 4, the clutch sleeve 6 and the clutch gear 5 to rotate together (the two shifting blocks 13 are positioned in the annular groove 62 on the outer side surface of the clutch sleeve 6, so that the rotation of the clutch sleeve 6 is not hindered), and then the transmission gear 12 drives the unreeling shaft 11 and the coiled film thereon to rotate together, so that unreeling is realized. When the film on the unreeling shaft 11 is completely unreeled and a new film roll needs to be replaced, the handle 75 is pulled, and the clutch sleeve 6 and the clutch gear 5 are driven to move along the axial direction of the rotating shaft 2 through the two shifting blocks 13 until the clutch gear 5 is separated from the transmission gear 12; then the turning motor 8 drives the supporting shaft 9 to rotate, drives the turning support 10 and the two unreeling shafts 11 to turn together until the other unreeling shaft 11 turns to the unreeling station, reversely pulls the handle 75, and drives the clutch sleeve 6 and the clutch gear 5 to reversely move along the axial direction of the rotating shaft 2 through the two shifting blocks 13 until the clutch gear 5 is meshed with the corresponding transmission gear 12. After the film is continuously connected, the rotating shaft driving motor 31 drives the driving gear 32 to rotate, the rotating shaft 2, the guide key 4, the clutch sleeve 6 and the clutch gear 5 are driven to rotate together through the driven gear 33, and then the transmission gear 12 and the unreeling shaft 11 are driven to rotate together for unreeling; in the process of unwinding the other unwinding shaft 11, an operator can perform a reel change operation on the unwinding shaft 11 which has originally unwound the film.
When the insertion depth of the shifting blocks 13 in the annular groove 62 needs to be adjusted, the locking nut 74 is firstly unscrewed, the adjusting bolt 73 is then screwed, and the positions of the shifting blocks 13 are adjusted, so that the shifting blocks 13 are positioned in the annular groove 62 but cannot hinder the rotation of the clutch sleeve 6. After the position of the dial 13 is determined, the lock nut 74 is tightened to fix the adjusting bolt 73 to the dial attachment portion 71.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a duplex position unwinding device, includes frame, pivot and pivot actuating mechanism, and pivot actuating mechanism installs in the frame, and the pivot is rotatable to be installed in the frame and set up along the horizontal direction, and the pivot is connected its characterized in that with pivot actuating mechanism's power take off end transmission: the double-station unreeling device further comprises a guide key, a clutch gear, a clutch sleeve, a shifting fork, a turning motor, a support shaft, a turning support, two unreeling shafts and two transmission gears, wherein the guide key is arranged on the rotating shaft and extends along the axial direction of the rotating shaft; the middle part of the shifting fork is hinged with the rack, the lower end of the shifting fork is provided with at least one shifting block, and the shifting block is positioned in the annular groove; the overturning device comprises a frame, a overturning motor, a supporting shaft, a rotating shaft, two unreeling shafts, a power output shaft; the two transmission gears are respectively arranged on the two unreeling shafts and correspond to the positions of the clutch gears, and the transmission gears are meshed with the clutch gears.
2. The double-station unwinding device of claim 1, wherein: the two unreeling shafts are symmetrically distributed by taking the axis of the supporting shaft as a central line.
3. The double-station unwinding device of claim 1, wherein: the rotating shaft driving mechanism comprises a rotating shaft driving motor, a driving gear and a driven gear, the rotating shaft driving motor is installed on the rack, the driving gear is installed on a power output shaft of the rotating shaft driving motor, the driven gear is installed on the rotating shaft, and the driven gear is meshed with the driving gear.
4. The double-station unwinding device of any one of claims 1 to 3, wherein: the lower end of the shifting fork is provided with an arc-shaped shifting block installation part, two ends of the shifting block installation part are respectively provided with one shifting block, and the two shifting blocks are located in the annular groove.
5. The double-station unwinding device of claim 4, wherein: the two ends of the shifting block mounting part are respectively provided with an adjusting screw hole and an adjusting bolt, the direction of the central line of the adjusting screw hole is consistent with the radial direction of the fixed shaft, the screw rod of the adjusting bolt is positioned in the adjusting screw hole, the shifting block is connected with the tail end of the screw rod of the adjusting bolt, the adjusting bolt is provided with a locking nut, and the locking nut is positioned on the outer side of the shifting block mounting part and is in close contact with the shifting block mounting part.
6. The double-station unwinding device of claim 4, wherein: and a handle is arranged at the upper end of the shifting fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822001068.8U CN209973808U (en) | 2018-11-30 | 2018-11-30 | Double-station unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822001068.8U CN209973808U (en) | 2018-11-30 | 2018-11-30 | Double-station unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209973808U true CN209973808U (en) | 2020-01-21 |
Family
ID=69250167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822001068.8U Expired - Fee Related CN209973808U (en) | 2018-11-30 | 2018-11-30 | Double-station unwinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209973808U (en) |
-
2018
- 2018-11-30 CN CN201822001068.8U patent/CN209973808U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |