CN219859721U - Tensioning mechanism and unreeling and reeling device - Google Patents
Tensioning mechanism and unreeling and reeling device Download PDFInfo
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- CN219859721U CN219859721U CN202321132654.0U CN202321132654U CN219859721U CN 219859721 U CN219859721 U CN 219859721U CN 202321132654 U CN202321132654 U CN 202321132654U CN 219859721 U CN219859721 U CN 219859721U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 8
- 239000000109 continuous material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The utility model discloses a tensioning mechanism and an unreeling and reeling device, wherein the unreeling and reeling device is provided with the tensioning mechanism, and the tensioning mechanism comprises a first positioning plate, a second positioning plate, at least two first guide rods, a pressing plate, an elastic piece, a friction wheel and a friction belt. The second locating plate is located between the first locating plate and the discharging shaft. Two ends of the first guide rod are respectively connected with the first positioning plate and the second positioning plate. The pressing plate is arranged on the first guide rod in a sliding mode. The elastic piece pretension is arranged between the pressing plate and the second positioning plate, and the elastic expansion direction of the elastic piece is consistent with the length direction of the first guide rod. The friction belt is sleeved on the friction wheel, and two ends of the friction belt are fixedly connected to the pressing plate. Because the elastic piece has pretightning force, therefore the friction pulley tensioning is on the friction pulley, and when the rotational speed of blowing reel accelerated to be greater than the speed that needs the material, the friction pulley can drive the blowing axle and overcome inertial gyration for the blowing axle blowing is even, steady.
Description
Technical Field
The utility model relates to winding and unwinding equipment, in particular to a tensioning mechanism and an unwinding and winding device.
Background
As is well known, in many fields, a continuous release link of a coiled continuous material is involved, such as a nonwoven fabric coil, a plastic film coil to be printed, or a plastic film coil to be overlapped, etc., currently, a tape is generally wound around a discharging shaft, and then the coiled tape is continuously rotated under the action of traction force to release the tape. However, the belt chat has inertia in the rotation process, and the rotation speed of the belt material is slowly increased along with continuous traction of traction force, so that the discharging speed is faster than the feeding speed, at the moment, the continuous material lacks due tension to be kept and becomes sagged, the lack of tension also causes the continuous material to be not smooth enough, even the continuous material is possibly separated from a feeding path, and adverse effects are brought to the production of the next link. The electromagnetic brake is additionally arranged at one end of the discharging shaft, and tension is adjusted through electromagnetic action, so that the cost is high, the tension of the brake is influenced by the size of the coil, the tension can be tighter when the continuous material is wound more and less, and the production of the next link is also not facilitated.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, in one aspect, the present utility model proposes a tensioning mechanism for maintaining tension during unreeling of a ribbon.
According to the tensioning mechanism disclosed by the embodiment of the utility model, the tensioning mechanism is used for tensioning the belt materials on the discharging shaft and comprises a first positioning plate, a second positioning plate, at least two first guide rods, a pressing plate, an elastic piece, a friction wheel and a friction belt. The second locating plate is located between the first locating plate and the discharging shaft, the second locating plate is arranged in parallel with the first locating plate, and a gap is reserved between the second locating plate and the first locating plate. And two ends of the first guide rod are respectively connected with the first positioning plate and the second positioning plate. The pressing plate is arranged on the first guide rod in a sliding mode. The elastic piece pretension is arranged between the pressing plate and the second positioning plate, and the elastic expansion direction of the elastic piece is consistent with the length direction of the first guide rod. The friction wheel is arranged at the end part of the discharging shaft. The friction belt is sleeved on the friction wheel, and two ends of the friction belt are fixedly connected to the pressing plate.
According to the tensioning mechanism provided by the embodiment of the utility model, the tensioning mechanism has at least the following beneficial effects:
the utility model of the embodiment can be applied to the pressing plate which can slide along the first guide rods, and the quantity of at least two first guide rods can prevent the pressing plate from rotating when moving, so that the friction belt is prevented from twisting; the elastic piece is arranged between the pressing plate and the second positioning plate, and because the elastic piece has pretightening force, the friction wheel is tensioned on the friction wheel, and when the rotating speed of the discharging roll is accelerated to be higher than the speed of the required material, the friction wheel can drive the discharging shaft to overcome inertial rotation, so that the discharging of the discharging shaft is uniform and stable, and the orderly proceeding of the production procedure is ensured.
According to some embodiments of the utility model, the elastic member is a spring.
According to some embodiments of the utility model, the spring is sleeved on the first guide rod.
According to some embodiments of the utility model, an adjusting plate is arranged between the second positioning plate and the pressing plate, and the spring is positioned on the first guide rod between the pressing plate and the adjusting plate; and an adjusting bolt is arranged on the second positioning plate in a penetrating way, and the adjusting bolt props against the adjusting plate.
According to some embodiments of the utility model, the bottom surface of the platen is higher than the bottom surface of the locating plate.
According to some embodiments of the utility model, the tensioning mechanism is provided with two of the first guide rods arranged one above the other.
On the other hand, the utility model provides an unreeling and reeling device which can smoothly unreel and reel.
According to the unreeling and reeling device, the tensioning mechanism is arranged.
According to the unreeling and reeling device provided by the embodiment of the utility model, the unreeling and reeling device has at least the following beneficial effects:
by applying the utility model of the embodiment, after the tensioning mechanism is arranged, the discharging of the discharging shaft is more stable.
According to some embodiments of the utility model, the unwind-reel comprises a frame, the unwind shaft, and a take-up shaft. The discharging shaft is arranged on the frame. The material receiving shaft is arranged on the frame and is connected with a material receiving motor.
According to some embodiments of the utility model, the unwind and wind-up device further comprises a feed roller disposed on the conveying path of the web, the feed roller being connected to a feed motor.
According to some embodiments of the utility model, a material pressing roller is arranged on the outer side of the feeding roller, and the distance between the material pressing roller and the feeding roller is adjustable.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a tensioning mechanism according to an embodiment of the present utility model;
FIG. 2 is a side view of a tensioning mechanism according to one embodiment of the present utility model;
FIG. 3 is a schematic diagram of an unwind and wind-up apparatus according to an embodiment of the present utility model;
FIG. 4 is an enlarged view at A of FIG. 3;
reference numerals:
100. a tensioning mechanism; 101. a first positioning plate; 102. a second positioning plate; 103. a first guide bar; 104. a pressing plate; 105. a spring; 106. a friction wheel; 107. a friction belt; 108. an adjusting plate; 201. a frame; 202. a discharging shaft; 203. a material receiving shaft; 204. a material receiving motor; 205. a feed roller; 206. a feeding motor; 207. a material pressing roller; 208. a frame; 209. a chute; 210. a second guide bar; 211. and (5) a pull rod.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Referring to fig. 1 and 2, a tensioning mechanism 100 according to an embodiment of the present utility model includes a first positioning plate 101, a second positioning plate 102, at least two first guide rods 103, a pressing plate 104, an elastic member, a friction wheel 106, and a friction belt 107. The second locating plate 102 is located between the first locating plate 101 and the discharging shaft 202, the second locating plate 102 is arranged in parallel with the first locating plate 101, and a gap is reserved between the second locating plate 102 and the first locating plate 101. The first guide rods 103 are horizontally arranged, and two ends of the first guide rods 103 are respectively connected with the first positioning plate 101 and the second positioning plate 102. The pressing plate 104 is slidably disposed on the first guide bar 103. The elastic piece pretension is arranged between the pressing plate 104 and the second positioning plate 102, and the elastic expansion direction of the elastic piece is consistent with the length direction of the first guide rod 103. The friction wheel 106 is arranged at the end of the discharge shaft 202. Friction belt 107 is sleeved on friction wheel 106, and both ends of friction belt 107 are fixedly connected to pressure plate 104.
It will be appreciated that the elastic member in this embodiment is a member disposed between the second positioning plate 102 and the pressing plate 104 and capable of being compressed and restored, and is provided with a pre-tightening function, so that the elastic member is pre-tightened to apply a pre-tightening force to the friction belt 107 before being subjected to the working load, so that the friction belt is tensioned on the friction wheel 106.
With the utility model of the above embodiment, the pressing plate 104 can slide along the first guide rods 103, and the number of at least two first guide rods 103 can prevent the pressing plate 104 from rotating when moving, thereby preventing the friction belt 107 from twisting; the elastic component sets up between clamp plate 104 and second locating plate 102, because the elastic component has the pretightning force, consequently friction pulley 106 tensioning is on friction pulley 106, and when the rotational speed of blowing reel accelerated to be greater than the speed that needs the material, friction pulley 106 can drive blowing axle 202 overcome inertia and revolve for blowing axle 202 blowing is even, steady, guarantees going on in order of production process.
Referring to fig. 1 and 2, in some embodiments of the utility model, the resilient member is a spring 105.
Referring to fig. 1 and 2, in some embodiments of the utility model, a spring 105 is sleeved on the first guide rod 103. The spring 105 is arranged on the first guide rod 103, and the middle position of the spring 105 is not easy to twist when the spring 105 is contracted, so that the movement of the spring 105 can be kept stable.
Referring to fig. 1 and 2, in some embodiments of the present utility model, an adjusting plate 108 is disposed between the second positioning plate 102 and the pressing plate 104, and a spring 105 is disposed on the first guide bar 103 between the pressing plate 104 and the adjusting plate 108; an adjusting bolt is arranged on the second positioning plate 102 in a penetrating way, and the adjusting bolt props against the adjusting plate 108. The adjusting bolt supports the adjusting plate 108, the distance between the adjusting plate 108 and the second positioning plate 102 can be adjusted by adjusting the extending length of the adjusting bolt relative to the second positioning plate 102, which is equivalent to the distance between the adjusting plate 108 and the pressing plate 104, so that the pretightening force of the spring 105 can be adjusted, and the tension of the unreeling roll can be adjusted.
Referring to FIG. 2, in some embodiments of the utility model, the bottom surface of the platen 104 is higher than the bottom surface of the locating plate. It can be appreciated that when the tensioning mechanism 100 of the present embodiment is provided, the pressing plate 104 is suspended, the weight of the pressing plate 104 can be reduced, the friction force overcome when the pressing plate 104 slides along the first guide rod 103 is smaller, the sliding is smoother, and the tensioning force is more flexible to adjust.
Referring to fig. 1, in some embodiments of the present utility model, the tensioning mechanism 100 is provided with two first guide rods 103, the two first guide rods 103 being arranged one above the other.
Referring now to fig. 1 and 2, a tensioning mechanism 100 according to an embodiment of the present utility model is described in detail in one particular embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the utility model in any way.
In order to prevent the rotational speed of the unreeling of the belt material on the unreeling shaft 202 from being accelerated under the inertia effect during unreeling, the embodiment provides a tensioning mechanism 100, wherein the tensioning mechanism 100 comprises a first positioning plate 101, a second positioning plate 102, two first guide rods 103, a pressing plate 104, a spring 105, a friction wheel 106, a friction belt 107 and an adjusting plate 108. The second locating plate 102 is located between the first locating plate 101 and the discharging shaft 202, the second locating plate 102 is arranged in parallel with the first locating plate 101, the two first guide rods 103 are arranged in parallel up and down, and two ends of the two first guide rods are connected with the first locating plate 101 and the second locating plate 102. The clamp plate 104 slides and sets up on first guide arm 103, and regulating plate 108 slides and sets up on two first guide arms 103, and is located between clamp plate 104 and the second locating plate 102, is equipped with spring 105 between clamp plate 104 and the regulating plate 108, and spring 105 is equipped with two, and two springs 105 cover are established respectively on two first guide arms 103, wears to be equipped with adjusting bolt (not shown in the figure) on the second locating plate 102, and adjusting bolt supports regulating plate 108. The friction wheel 106 is arranged at the end of the discharge shaft 202. Friction belt 107 is sleeved on friction wheel 106, and both ends of friction belt 107 are fixedly connected to pressure plate 104. When the rotation speed of the unreeling roll is increased to be greater than the speed of the required material, the friction wheel 106 can drive the unreeling shaft 202 to overcome inertia so as to enable the unreeling shaft 202 to be rotated uniformly and stably, the ordered production process is ensured, the distance between the adjusting plate 108 and the second positioning plate 102 can be adjusted by adjusting the extending length of the adjusting bolt relative to the second positioning plate 102, which is equivalent to the distance between the adjusting plate 108 and the pressing plate 104, and therefore the pretightening force of the spring 105 can be adjusted, and the tension of the unreeling roll can be adjusted.
Referring to fig. 1 to 4, the utility model provides an unreeling and reeling device, which can smoothly unreel and reel.
An unreeling and reeling device according to an embodiment of the present utility model is provided with the tensioning mechanism 100 in the above embodiment.
With the utility model of the above embodiment, the discharging of the discharging shaft 202 is smoother after the tensioning mechanism 100 is provided.
Referring to fig. 3, in some embodiments of the utility model, the unwind reel includes a frame 201, a pay-off shaft 202, and a take-up shaft 203. The discharge shaft 202 is provided on the frame 201. The material receiving shaft 203 is arranged on the frame 201, and the material receiving shaft 203 is connected with a material receiving motor 204. Specifically, the first positioning plate 101 and the second positioning plate 102 are disposed on the frame 201, a space is provided between the pressing plate 104 and the frame 201, and sliding of the pressing plate 104 is smoother.
Referring to fig. 3 and 4, in some embodiments of the present utility model, the unwind and wind-up apparatus further includes a feeding roller 205, the feeding roller 205 is disposed on a conveying path of the tape, and a feeding motor 206 is connected to the feeding roller 205.
Referring to fig. 3 and 4, in some embodiments of the present utility model, a nip roll 207 is disposed outside of the feed roll 205, and the distance between the nip roll 207 and the feed roll 205 is adjustable. The nip roller 207 is capable of pressing the tape against the feed roller 205, making the transport of the tape more reliable. When the strip is needed to be reloaded after being used up, the pressing roller 207 is adjusted to be separated from the feeding roller 205, so that the strip can pass through conveniently. Specifically, a frame 208 with a cuboid shape is arranged on the rack 201, two ends of the feeding roller 205 are rotationally connected to the frame 208, the pressing roller 207 is located on one side of the feeding roller 205, a chute 209 is arranged at the shaft end of the frame 208 corresponding to the pressing roller 207, and the pressing roller 207 can horizontally move along the chute 209 and approach or separate from the feeding roller 205 in the moving process. The two ends of the pressing roller 207 are connected with a second guide rod 210, and the second guide rod 210 passes through the frame 208 and is slidably connected with the frame 208, so that the sliding of the second guide rod 210 can drive the pressing roller 207 to move horizontally. The two guide rods extend out of the frame 208 and are connected through the pull rod 211, and pulling the pull rod 211 outwards can enable the guide rods to move relative to the frame 208, so that the pressing roller 207 is driven to move.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A tensioning mechanism (100) for tensioning a strip on a discharge shaft (202), comprising:
a first positioning plate (101);
the second positioning plate (102), the second positioning plate (102) is located between the first positioning plate (101) and the discharging shaft (202), the second positioning plate (102) is arranged in parallel with the first positioning plate (101), and a space is reserved between the second positioning plate (102) and the first positioning plate (101);
the two ends of the first guide rods (103) are respectively connected with the first positioning plate (101) and the second positioning plate (102);
a pressing plate (104), wherein the pressing plate (104) is arranged on the first guide rod (103) in a sliding manner;
the elastic piece is pre-tensioned between the pressing plate (104) and the second positioning plate (102), and the elastic expansion direction of the elastic piece is consistent with the length direction of the first guide rod (103);
a friction wheel (106), wherein the friction wheel (106) is arranged at the end part of the discharging shaft (202); and
the friction belt (107), friction belt (107) cover is established friction wheel (106), just friction belt (107) both ends are all fixed connection on clamp plate (104).
2. The tensioning mechanism (100) of claim 1, wherein: the elastic element is a spring (105).
3. The tensioning mechanism (100) of claim 2, wherein: the spring (105) is sleeved on the first guide rod (103).
4. A tensioning mechanism (100) according to claim 3, characterized in that: an adjusting plate (108) is arranged between the second positioning plate (102) and the pressing plate (104), and the spring (105) is positioned on the first guide rod (103) between the pressing plate (104) and the adjusting plate (108); and an adjusting bolt is arranged on the second positioning plate (102) in a penetrating way, and the adjusting bolt props against the adjusting plate (108).
5. The tensioning mechanism (100) of claim 1, wherein: the bottom surface of the pressing plate (104) is higher than the bottom surface of the positioning plate.
6. The tensioning mechanism (100) of claim 1, wherein: the tensioning mechanism (100) is provided with two first guide rods (103), and the two first guide rods (103) are arranged up and down.
7. An unreeling and reeling device is characterized in that: a tensioning mechanism (100) according to any one of claims 1 to 6 is provided.
8. The unwind reel of claim 7 comprising:
a frame (201);
the discharging shaft (202), the discharging shaft (202) is arranged on the frame (201);
the material collecting shaft (203), the material collecting shaft (203) is arranged on the frame (201), and the material collecting shaft (203) is connected with a material collecting motor (204).
9. The unwind reel of claim 8, characterized in that: the unreeling and reeling device further comprises a feeding roller (205), the feeding roller (205) is arranged on a conveying path of the belt material, and the feeding roller (205) is connected with a feeding motor (206).
10. The unwind reel of claim 9, characterized in that: the outside of feed roll (205) is equipped with swager roll (207), swager roll (207) with distance between feed roll (205) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321132654.0U CN219859721U (en) | 2023-05-11 | 2023-05-11 | Tensioning mechanism and unreeling and reeling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321132654.0U CN219859721U (en) | 2023-05-11 | 2023-05-11 | Tensioning mechanism and unreeling and reeling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219859721U true CN219859721U (en) | 2023-10-20 |
Family
ID=88322599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321132654.0U Active CN219859721U (en) | 2023-05-11 | 2023-05-11 | Tensioning mechanism and unreeling and reeling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219859721U (en) |
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2023
- 2023-05-11 CN CN202321132654.0U patent/CN219859721U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20231124 Address after: No. 45, Group 8, Lishe Village, Jiuzhen Town, Tianmen City, Hubei Province, 431700 Patentee after: Hubei Huilaishi Intelligent Equipment Co.,Ltd. Address before: Room 101, 1st Floor, Building 1, No. 99 Dangui Road, Wangcheng Economic and Technological Development Zone, Changsha City, Hunan Province, 410082 Patentee before: Changsha huilaishi Intelligent Technology Co.,Ltd. |