CN211110103U - Unwinding device - Google Patents
Unwinding device Download PDFInfo
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- CN211110103U CN211110103U CN201921023685.6U CN201921023685U CN211110103U CN 211110103 U CN211110103 U CN 211110103U CN 201921023685 U CN201921023685 U CN 201921023685U CN 211110103 U CN211110103 U CN 211110103U
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- unwinding device
- supporting shaft
- rotary drum
- cavity space
- pressing plate
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Abstract
The utility model discloses an unwinding device. Unwinding device includes: a base, a support shaft and a rotary cylinder; one end of the supporting shaft is connected with the base; the rotating cylinder is sleeved on the supporting shaft and is in rotating fit with the supporting shaft, a material roll is arranged on the rotating cylinder, and the strip material on the material roll is discharged when the rotating cylinder rotates by taking the supporting shaft as a rotating center; wherein, be provided with fixed block and clamp plate on the rotatory section of thick bamboo, fixed block and clamp plate are used for the relative both sides of butt material book respectively. The utility model provides an unwinding device simple structure makes things convenient for the dismouting debugging.
Description
Technical Field
The utility model relates to a material book unwinding device technical field, in particular to unwinding device.
Background
When the strip material needs to be used, an unwinding device is adopted to drive the material roll to rotate, so that the material roll discharges the strip material wound thereon.
The existing unwinding device is complex in structure and cannot be suitable for unwinding materials with different widths.
SUMMERY OF THE UTILITY MODEL
The utility model provides an unwinding device to it is complicated to solve unwinding device structure among the prior art, and can't be applicable to the problem that carries out the blowing to the material that has different width and roll up.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an unwinding device, unwinding device includes:
a base;
one end of the supporting shaft is connected with the base;
the rotating cylinder is sleeved on the supporting shaft and is in running fit with the supporting shaft, a material roll is arranged on the rotating cylinder, and a strip material on the material roll is discharged when the rotating cylinder rotates by taking the supporting shaft as a rotating center;
the material roll fixing device comprises a rotating cylinder, wherein a fixing block and a pressing plate are arranged on the rotating cylinder, the fixing block and the pressing plate are respectively used for abutting against two opposite sides of a material roll, and the axial position of the pressing plate is adjustably installed on the rotating cylinder.
In one embodiment of the method of the present invention,
the pressing plate is provided with a clamping groove, and the pressing plate is clamped on the rotary cylinder through the clamping groove; or
The center of the pressing plate is provided with a through hole, and the pressing plate is sleeved on the rotating cylinder through the through hole.
In one embodiment, a fastening piece is further arranged on the rotary cylinder, the fixed block is fixedly arranged at one end of the rotary cylinder, and the fastening piece is used for abutting against one side, back to the fixed block, of the pressing plate, so that the position of the pressing plate on the supporting shaft is fixed.
In one embodiment, the fastening member is provided with a first threaded hole, the rotary cylinder is provided with a plurality of second threaded holes along the axial direction of the rotary cylinder, and screws are inserted into the first threaded hole of the fastening member and the second threaded holes of the rotary cylinder so as to fix the fastening member at different positions of the rotary cylinder.
In one embodiment, the fastening member is annular and is sleeved on the support shaft, and the fastening member and the support shaft are fixed through threads.
In one embodiment, the unwinding device further comprises a baffle plate, and the baffle plate is sleeved on the rotary cylinder;
the rotary drum is provided with a step part at one end of the fixed block, the baffle is arranged between the step part and the fixed block, and the step part and the fixed block are respectively abutted against the two opposite sides of the baffle so as to fix the baffle on the rotary drum.
In one embodiment, the unwinding device further includes a buffer respectively connected to the support shaft and the rotary drum, so that the rotary drum can rotate relative to the support shaft in a single preset rotation direction.
In one embodiment, the damper includes a housing portion and a rotating portion disposed within the housing portion and rotatable relative to the housing portion;
wherein, the rotating part cover is established on the back shaft with the back shaft is connected, casing portion through connecting rod fixed connection in the terminal surface of a rotatory section of thick bamboo
In one embodiment, the unwinding device further comprises a bearing, and the bearing is sleeved on the support shaft, so that the rotary drum and the support shaft are connected through the bearing;
a cavity space is formed in the rotary cylinder, and the bearing is arranged in the cavity space;
the cavity space comprises a first cavity space, a second cavity space and a third cavity space which are sequentially arranged along the axial direction of the rotary cylinder;
the axial cross-sectional dimension of the second cavity space is greater than the axial cross-sectional dimension of the first cavity space and greater than the axial cross-sectional dimension of the third cavity space;
the number of the bearings is at least two, and the at least two bearings are respectively arranged in the first cavity space and the third cavity space.
In one embodiment, the unwinding device further comprises a fixing ring, the fixing ring is sleeved at one end, far away from the base, of the supporting shaft, and the fixing ring is used for abutting against one side of the bearing so as to fix the position of the bearing on the supporting shaft.
Be different from prior art, the utility model provides an unwinding device. The unwinding device is simple in structure and convenient to disassemble, assemble and debug; the rotary drum is provided with the fastener which can be adjusted in position along the axial direction of the rotary drum, so that the rotary drum can be used for mounting material rolls with different widths; the cavity space is arranged in the rotary drum, so that the weight of the rotary drum can be reduced, and the rotation resistance moment of the rotary drum can be further reduced; through setting up the buffer in the one end of rotatory section of thick bamboo, can be so that rotatory section of thick bamboo unidirectional rotation carries out the blowing, avoid rotatory section of thick bamboo reverse rotation, produce the material area and twine.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of an embodiment of an unwinding device provided in the present invention;
FIG. 2 is a left side view of the unwinding device shown in FIG. 1;
fig. 3 is a schematic structural diagram of a cross-sectional view of the unwinding device shown in fig. 2 at a section a-a'.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of an unwinding device according to the present invention, and fig. 2 is a left side view of the unwinding device shown in fig. 1.
The unwinding device 10 includes a base 100, a support shaft 200, and a rotary drum 300. Wherein, one end of the supporting shaft 200 is fixedly arranged on the base 100, the rotary cylinder 300 is sleeved on the supporting shaft 200, and the rotary cylinder 300 can rotate 360 degrees by taking the supporting shaft 200 as a rotation center, wherein, the rotary cylinder 300 can be provided with a material roll which can rotate synchronously with the rotary cylinder 300, and the material roll can be discharged with the strip material rolled on the material roll in the rotating process.
Referring to fig. 1 and 3, fig. 3 is a schematic structural diagram of a cross-sectional view of the unwinding device shown in fig. 2 at a section a-a'.
Wherein, the rotary cylinder 300 is provided with a fixing block 310, a pressing plate 320 and a fastening member 330. After the material roll is set on the rotary drum 300, the fixing block 310 and the pressing plate 320 are respectively used to abut against two pairs of both sides of the material roll, so that the position of the material roll on the rotary drum 300 can be fixed.
The fixing block 310 may be disposed at one end of the rotary drum 300, and is fixed to the rotary drum 300; the side of the pressing plate 320 opposite to the fixing block 310 may be provided with a fastener 330, and the fastener 330 may abut against the pressing plate 320, thereby fixing the position of the pressing plate 320, that is, the material roll may be clamped and fixed between the fixing block 310 and the pressing plate 320 by abutting the fastener 330 against the pressing plate 320.
In this embodiment, the position of the fastening member 330 on the rotary drum 300 can be adjusted, so that rolls of different widths can be disposed between the fixing block 310 and the pressing plate 320.
Specifically, the fastening member 330 may be in a ring shape, a threaded hole is formed in the center thereof, and the rotary cylinder 300 may be sleeved at one end of the rotary cylinder 300 through the threaded hole and matched with the rotary cylinder 300 through threads; therefore, by rotating the fastener 330, the fastener 330 can be moved in the axial direction of the rotary cylinder 300.
Or in other embodiments, the fastening member 330 may be fixedly mounted on the rotary cylinder 300 by a screw or the like; a plurality of second threaded holes are formed in one end of the rotary cylinder 300 along the axial direction of the rotary cylinder 300, the fastening member 330 is provided with a first threaded hole, and the fastening member 330 is fixed to different positions of the rotary cylinder 300 by inserting screws into the first threaded hole of the fastening member 330 and the second threaded hole of the rotary cylinder 300.
The number of the first threaded holes on the fastening member 330 may be one, and the plurality of second threaded holes formed along the axial direction of the rotary cylinder 300 may be arranged in a row.
In other embodiments, the fastening member 330 may have a ring shape, a plurality of first threaded holes may be formed in the fastening member 330 in a circumferential direction, a plurality of rows of second threaded holes may be formed in the rotary cylinder 300 in a circumferential direction, and the fastening member 330 may be installed at different positions of the rotary cylinder 300 by connecting the plurality of first threaded holes of the fastening member 330 and the plurality of second threaded holes of the rotary cylinder 300 with a plurality of screws.
The pressing plate 320 can also be sleeved on the rotary cylinder 300, a through hole can be formed in the middle of the pressing plate 320, and the pressing plate 320 can be sleeved on the rotary cylinder 300 through the through hole; in other embodiments, the pressing plate 320 may further have a slot, and the pressing plate 320 is clamped on the rotary cylinder through the slot. Wherein the slot may be a U-shaped slot.
Further referring to fig. 2, a step portion 301 may be further disposed on one side of the rotary cylinder 300 where the fixing block 310 is disposed, and a baffle 340 may be further disposed between the step portion 301 and the fixing block 310, wherein the baffle 340 may be sleeved on the rotary cylinder 300, and the step portion 301 and the fixing block 310 may respectively abut against two opposite sides of the baffle 340, so that the arrangement position of the baffle 340 on the rotary cylinder 300 is fixed.
In this embodiment, the baffle 340 may be disposed near a side where the support shaft 200 is connected to the base 100, so as to protect the roll of material on the rotary drum 300.
In this embodiment, the baffle 340 may be sleeved on the rotary cylinder 300 first, so that one side of the baffle 340 abuts against the step portion 301, and then the fixed block 310 is installed on the rotary cylinder 300 so that the fixed block 310 abuts against the baffle 340; then, the material roll is sleeved on one side of the fixed block 310, which is back to the step portion 301, the pressing plate 320 is abutted on one side of the material roll, which is back to the fixed block 310, and the baffle 340, the fixed block 310, the material roll and the pressing plate 320 are axially fixed on the rotary cylinder 300 through the fastener 330.
The fastening member 330 is adjustably disposed on the rotary drum 300, so that the rotary drum 300 can be sleeved with material rolls having different widths, and the unwinding device 10 can unwind material rolls having different widths.
Further, in this embodiment, the unwinding device 10 may further include a buffer 400, wherein the buffer 400 may be respectively connected to the rotary drum 300 and the support shaft 200, and the buffer 400 is used to control the rotary drum 300 to rotate in one direction relative to the support shaft 200.
The damper 400 includes a housing portion 410 and a rotating portion 420, and the rotating portion 420 is disposed in the housing portion 410 and is rotatable with respect to the housing portion 410. The housing portion 410 is fixedly connected to an end surface of the rotary cylinder 300 through a connecting rod 430, and the rotary portion 420 is sleeved on the support shaft 200 and connected to the support shaft 200.
When the rotary cylinder 300 performs the rotary discharging in a predetermined rotation direction with respect to the support shaft 200, the housing portion 410 and the rotating portion 420 of the damper 400 are rotatably engaged; when the rotary drum 300 tends to rotate in the reverse direction to the discharging rotation direction thereof, the rotary part 420 generates a damping force to prevent the rotary drum 300 from further rotating in the reverse direction to the discharging rotation direction thereof. Wherein the buffer 400 may be a damper.
Further, in the present embodiment, the rotary cylinder 300 may be rotatably coupled to the support shaft 200 by a bearing. Wherein the rotary cylinder 300 is provided on the support shaft 200 to be positioned by a bearing.
The unwinding device 10 may include at least two bearings.
Referring to fig. 2, in the present embodiment, two bearings, which may be a first bearing 510 and a second bearing 520, are disposed between the rotary cylinder 300 and the supporting shaft 200, wherein the first bearing 510 may be fixedly disposed on the supporting shaft 200.
The first bearing 510 is provided at an end of the support shaft 200 near the base 100. The second bearing 520 is disposed on the support shaft 200 and is disposed at a side of the first bearing 510 away from the base 100.
Wherein, set up cavity space 360 in the rotatory section of thick bamboo 300, first bearing 510 and second bearing 520 all set up in cavity space 360, and inner wall that support shaft 200 and cavity space 360 are connected respectively to first bearing 510 and second bearing 520 to can make rotatory section of thick bamboo 300 can use support shaft 200 to rotate as the rotation center.
In order to reduce the weight of the rotary cylinder 300 and thus reduce the rotation resistance torque of the rotary cylinder 300, the space size of the cavity space 360 may be increased.
Specifically, the cavity space 360 may be sequentially divided into a first cavity space 361, a second cavity space 362 and a third cavity space 363 along the axial direction of the rotary drum 300.
The cross-sectional dimension of the second cavity space 362 perpendicular to the axial direction of the rotary drum 300 may be greater than the cross-sectional dimension of the first cavity space 361 perpendicular to the axial direction of the rotary drum 300, and may also be greater than the cross-sectional dimension of the third cavity space 363 perpendicular to the axial direction of the rotary drum 300.
In this embodiment, the first bearing 510 and the second bearing 520 may be disposed in the first cavity space 361 and the third cavity space 363, respectively.
A first supporting part 3611 is arranged in the first cavity space 361, and the first supporting part 3611 is used for abutting against one side of the first bearing 510 close to the second bearing 520; a second supporting portion 3631 is disposed in the third cavity space 363, and the second supporting portion 3631 is used for abutting against one side of the second bearing 520 close to the first bearing 510.
In this embodiment, the first bearing 510 may be fixedly disposed on the support shaft 200, and therefore, the fixing ring 370 may be disposed on a side of the second bearing 520 opposite to the first bearing 510, and the fixing ring 370 abuts against the second bearing 520, so that the rotary drum 300 is fixedly disposed in the axial direction of the support shaft 200.
Further, the fixing position of the first bearing 510 on the support shaft 200 is adjustable, and thus the setting position of the rotary cylinder 300 on the support shaft 200 can be adjusted.
In summary, the utility model provides an unwinding device, wherein the unwinding device has a simple structure, and is convenient to disassemble, assemble and debug; the rotary drum is provided with the fastener which can be adjusted in position along the axial direction of the rotary drum, so that the rotary drum can be used for mounting material rolls with different widths; the cavity space is arranged in the rotary drum, so that the weight of the rotary drum can be reduced, and the rotation resistance moment of the rotary drum can be further reduced; through setting up the buffer in the one end of rotatory section of thick bamboo, can be so that rotatory section of thick bamboo unidirectional rotation carries out the blowing, avoid rotatory section of thick bamboo reverse rotation, produce the material area and twine.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an unwinding device, its characterized in that, unwinding device includes:
a base;
one end of the supporting shaft is connected with the base;
the rotating cylinder is sleeved on the supporting shaft and is in running fit with the supporting shaft, a material roll is arranged on the rotating cylinder, and a strip material on the material roll is discharged when the rotating cylinder rotates by taking the supporting shaft as a rotating center;
the material roll fixing device comprises a rotating cylinder, wherein a fixing block and a pressing plate are arranged on the rotating cylinder, the fixing block and the pressing plate are respectively used for abutting against two opposite sides of a material roll, and the axial position of the pressing plate is adjustably installed on the rotating cylinder.
2. Unwinding device according to claim 1,
the pressing plate is provided with a clamping groove, and the pressing plate is clamped on the rotary cylinder through the clamping groove; or
The center of the pressing plate is provided with a through hole, and the pressing plate is sleeved on the rotating cylinder through the through hole.
3. The unwinding device as claimed in claim 2, wherein a fastening member is further disposed on the rotary drum, the fixed block is fixedly disposed at one end of the rotary drum, and the fastening member is configured to abut against a side of the pressing plate opposite to the fixed block, so that the pressing plate is fixed on the supporting shaft.
4. The unwinding device as claimed in claim 3, wherein the fastening member has a first threaded hole, the rotary drum has a plurality of second threaded holes along an axial direction thereof, and screws are inserted into the first threaded hole of the fastening member and the second threaded hole of the rotary drum to fix the fastening member to different positions of the rotary drum.
5. The unwinding device as claimed in claim 3, wherein the fastening member is annular and is sleeved on the supporting shaft, and the fastening member is fixed to the supporting shaft by a thread.
6. The unwinding device of claim 1, further comprising a baffle plate, wherein the baffle plate is sleeved on the rotary drum;
the rotary drum is provided with a step part at one end of the fixed block, the baffle is arranged between the step part and the fixed block, and the step part and the fixed block are respectively abutted against the two opposite sides of the baffle so as to fix the baffle on the rotary drum.
7. The unwinding device as claimed in any one of claims 1 to 6, further comprising a buffer, wherein the buffer is respectively connected to the supporting shaft and the rotary drum, so that the rotary drum can rotate relative to the supporting shaft in a single predetermined rotation direction.
8. The unwinding device of claim 7, wherein the buffer comprises a housing portion and a rotating portion disposed within the housing portion and rotatable relative to the housing portion;
the rotating portion is sleeved on the supporting shaft and connected with the supporting shaft, and the shell portion is fixedly connected to the end face of the rotating cylinder through a connecting rod.
9. The unwinding device of claim 7, further comprising a bearing, wherein the bearing is sleeved on the supporting shaft, so that the rotary drum and the supporting shaft are connected through the bearing;
a cavity space is formed in the rotary cylinder, and the bearing is arranged in the cavity space;
the cavity space comprises a first cavity space, a second cavity space and a third cavity space which are sequentially arranged along the axial direction of the rotary cylinder;
the axial cross-sectional dimension of the second cavity space is greater than the axial cross-sectional dimension of the first cavity space and greater than the axial cross-sectional dimension of the third cavity space;
the number of the bearings is at least two, and the at least two bearings are respectively arranged in the first cavity space and the third cavity space.
10. The unwinding device as claimed in claim 9, further comprising a fixing ring, the fixing ring is sleeved on an end of the support shaft away from the base, and the fixing ring is used for abutting against one side of the bearing to fix the position of the bearing on the support shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023685.6U CN211110103U (en) | 2019-07-02 | 2019-07-02 | Unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023685.6U CN211110103U (en) | 2019-07-02 | 2019-07-02 | Unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110103U true CN211110103U (en) | 2020-07-28 |
Family
ID=71714932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921023685.6U Active CN211110103U (en) | 2019-07-02 | 2019-07-02 | Unwinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211110103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675006A (en) * | 2020-08-12 | 2020-09-18 | 佛山市帝益机械科技有限公司 | Tie up sticky tape unwinding device |
-
2019
- 2019-07-02 CN CN201921023685.6U patent/CN211110103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675006A (en) * | 2020-08-12 | 2020-09-18 | 佛山市帝益机械科技有限公司 | Tie up sticky tape unwinding device |
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