CN217577844U - Pneumatic tight axle construction that rises - Google Patents
Pneumatic tight axle construction that rises Download PDFInfo
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- CN217577844U CN217577844U CN202221275728.1U CN202221275728U CN217577844U CN 217577844 U CN217577844 U CN 217577844U CN 202221275728 U CN202221275728 U CN 202221275728U CN 217577844 U CN217577844 U CN 217577844U
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Abstract
The utility model relates to a pneumatic tensioning shaft structure, wherein, after ventilating towards the ventilating seat, gas is guided into a sealed second cavity through a gas channel in a rotating shaft, the sealing seat is pushed and a tensioning block is driven to compress a reset spring, and at the moment, a tensioning nail retracts to the surface of an outer barrel body along the radial direction of the rotating shaft, so that the tensioning nail does not jack against a winding drum on the outer barrel body, and the winding drum is convenient to replace; in the winding process, the outer ring of the tension block pushes the tension nails to protrude out of the surface of the outer cylinder body and tightly push and fix the winding drum, the elastic ring is also outwards supported, in the winding change process, the ventilation seat is ventilated, the tension block is pushed to move, the tension nails are loosened, the tension nails can be radially tightened by the elastic ring, and the tension nails are ensured to be tightly pushed against the winding drum by all the tension nails; set up a plurality of tight pieces that rise to cooperation multiunit rises tight nail, the tight area in top of increase gas shaft sleeve to the reel, the condition that the reel skidded when avoiding the rolling, the tight power in top of nail effect on the reel that rises equally reduces the damage to the reel.
Description
Technical Field
The utility model relates to the technical field of textile machinery, especially, relate to a pneumatic tight axle construction that rises.
Background
The carbon fiber is subjected to thermosetting molding after being impregnated with resin, and is used for manufacturing various carbon fiber products. The carbon fiber product has certain requirements on the thickness of the spread fiber of the carbon fiber, and after the carbon fiber tows are spread by the fiber spreading equipment, the carbon fiber tows are uniformly wound into a plurality of yarn drums by a winding machine for the forming process. The winding process of the winding machine comprises the replacement of a full yarn winding drum and the tensioning of an empty yarn winding drum, and at present, the fixing or the loosening of a winding drum sleeved on the outer ring of an air expansion shaft is realized by driving tensioning nails to radially protrude or sink along the air expansion shaft; the single ring of tensioning nail structure is small in contact area with the winding drum, so that the single ring of tensioning nail structure is easy to slip and damage the winding drum, and the tensioning nail cannot be effectively separated from the winding drum after being loosened, so that normal blanking of the winding drum is influenced.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a pneumatic tensioning shaft structure, and the pneumatic tensioning shaft structure is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pneumatic tight axle construction that rises to the defect that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a pneumatic tensioner shaft structure comprising: the air inflation device comprises a rotating shaft, an air inflation seat and an air inflation shaft sleeve, wherein an air channel is arranged in the rotating shaft and communicates the air inflation seat with the air inflation shaft sleeve;
the inflatable shaft sleeve comprises an outer cylinder body, and a sealing seat, a tensioning block and a fixed seat which are sequentially arranged along the axial direction of the rotating shaft, the fixed seat is fixedly connected with the rotating shaft, the sealing seat and the tensioning block can move along the axial direction of the rotating shaft, and one end of the outer cylinder body is provided with an opening and the opening end is fixedly connected with the fixed seat;
the outer cylinder body is sleeved on the sealing seat and the tensioning block, a tensioning nail is arranged between the tensioning block and the outer cylinder body, the sealing seat is matched with the rotating shaft to divide the interior of the outer cylinder body into a first cavity and a sealed second cavity, the gas channel is communicated with the second cavity, and the tensioning block moves and drives the tensioning nail to protrude or sink into the surface of the outer cylinder body;
the second cavity is located one side of the sealing seat far away from the tension blocks, one side of the tension blocks far away from the sealing seat is provided with a return spring, the tension blocks are axially provided with at least two tension blocks along the rotating shaft, and a connecting sleeve is arranged between every two adjacent tension blocks.
Furthermore, the outer ring of the tensioning block is of a furling structure along the axial direction of the rotating shaft, a plurality of tensioning nails are arranged on the outer ring of the tensioning block along the circumferential direction of the outer ring of the tensioning block, a plurality of limiting holes are formed in the outer cylinder body corresponding to the tensioning nails, and the tensioning nails are located in the limiting holes all the time.
Furthermore, correspond along its circumference on the outer barrel spacing hole is provided with first annular, first annular with spacing hole links to each other be provided with the elastic ring in the first annular.
Furthermore, one end of the tensioning nail is slidably connected with the tensioning block, a clamping groove is formed in one end, far away from the tensioning block, of the tensioning nail, and the elastic ring can be embedded into the clamping groove.
Furthermore, two second annular grooves are correspondingly formed in two opposite end faces of every two adjacent tensioning blocks, and two ends of each connecting sleeve are embedded into the two second annular grooves of the two tensioning blocks respectively.
Furthermore, the tension block is positioned in the first cavity, a limiting chute is axially arranged on an inner ring of the tension block along the rotating shaft, a key slot is correspondingly arranged on the rotating shaft, and the tension block coaxially rotates along with the rotating shaft through a flat key;
the rotating shaft is provided with a clamping ring, two ends of the reset spring are respectively abutted to the tensioning block and the clamping ring, and the outer diameter of the tensioning block gradually decreases towards the sealing seat.
Furthermore, an inner ring groove and an outer ring groove are respectively arranged on the inner ring and the outer ring of the sealing seat, and sealing rings are respectively arranged in the inner ring groove and the outer ring groove.
Furthermore, the ventilation seat comprises an air guide shell, an end cover and a sealing element, the end cover is arranged at one end of the air guide shell and fixes the sealing element in the air guide shell, and an air inlet is arranged on the air guide shell;
the sealing element comprises a first sealing ring, a flow guide ring and a second sealing ring which are axially arranged along the rotating shaft, the flow guide ring is provided with an air guide hole, and the air inlet hole is communicated with the air channel through the air guide hole.
Further, the cross section of water conservancy diversion ring sets up to the I shape, including setting up third annular and the fourth annular at its outer lane and inner circle respectively, the cooperation of third annular the air guide shell inner wall forms first air guide chamber, the cooperation of fourth annular the pivot forms second air guide chamber, first air guide chamber pass through the air guide hole with second air guide chamber is linked together.
The beneficial effects of the utility model are that:
in the winding process, the outer ring of the tension block pushes the tension nails to protrude out of the surface of the outer cylinder body and tightly push and fix the winding drum, the elastic ring is also externally supported, in the winding change process, the ventilation seat is ventilated, the tension block is pushed to move, the tension nails are loosened, the tension nails can be radially tightened by the elastic ring, the tension nails are ensured to be tightly pushed against the winding drum, and the winding drum can be conveniently fed;
set up a plurality of tight pieces that rise to the cooperation sets up the multiunit and rises tight nail, and increase gas axle sleeve that rises is to the tight area in top of reel, avoids the condition that the coiling in-process reel skidded, and the equal tight power in top that rises nail effect on the reel that rises reduces the damage to the reel, and the adapter sleeve can ensure a plurality of tight piece synchronous motion that rise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a pneumatic tension shaft of the present invention;
fig. 2 is a schematic view of the internal structure of the pneumatic tension shaft of the present invention;
fig. 3 is an exploded schematic view of the pneumatic tension shaft of the present invention;
fig. 4 is a schematic structural view of the tensioning block of the present invention;
FIG. 5 is a front view of the pneumatic tension shaft of the present invention;
fig. 6 is a schematic view of the cross-sectional structure of the pneumatic tension shaft of the present invention;
fig. 7 is an enlarged view of a portion of the structure at B in fig. 6.
Reference numerals: 1. a rotating shaft; 11. a gas channel; 12. a keyway; 13. a snap ring; 2. a ventilation seat; 21. a gas-conducting shell; 211. an air inlet; 212. a first air conducting cavity; 213. a second air guide cavity; 22. an end cap; 23. a seal member; 231. a first seal ring; 232. a flow guide ring; 2321. a third ring groove; 2322. a fourth ring groove; 2323. an air vent; 233. a second seal ring; 3. an air expansion shaft sleeve; 31. an outer cylinder; 311. a limiting hole; 312. a first ring groove; 313. an elastic ring; 32. a sealing seat; 321. an inner ring groove; 322. an outer ring groove; 33. a tensioning block; 331. a second ring groove; 332. a limiting chute; 34. a fixed seat; 35. tensioning nails; 351. a card slot; 36. a return spring; 37. connecting sleeves; 371. a first cavity; 372. a second cavity.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 7, the pneumatic tensioning shaft structure comprises a rotating shaft 1, an air vent seat 2 and an air tensioning shaft sleeve 3, wherein an air passage 11 is arranged in the rotating shaft 1 and communicates the air vent seat 2 with the air tensioning shaft sleeve 3, the air vent seat 2 is rotatably connected with the rotating shaft 1, and the air tensioning shaft sleeve 3 and the rotating shaft 1 rotate coaxially; the inflatable shaft sleeve 3 comprises an outer cylinder 31, a sealing seat 32, a tensioning block 33 and a fixing seat 34, wherein the sealing seat 32, the tensioning block 33 and the fixing seat 34 are sequentially arranged along the axial direction of the rotating shaft 1, the fixing seat 34 is fixedly connected with the rotating shaft 1, the sealing seat 32 and the tensioning block 33 can move along the axial direction of the rotating shaft 1, and an opening at one end of the outer cylinder 31 is arranged and the opening end is fixedly connected with the fixing seat 34.
The outer cylinder 31 is sleeved on the sealing seat 32 and the tensioning block 33, the tensioning nail 35 is arranged between the tensioning block 33 and the outer cylinder 31, the sealing seat 32 is matched with the rotating shaft 1 to divide the interior of the outer cylinder 31 into a first cavity 371 and a sealed second cavity 372, the gas channel 11 is communicated with the second cavity 372, and the tensioning block 33 moves and drives the tensioning nail 35 to protrude or sink into the surface of the outer cylinder 31; the second cavity 372 is located on one side of the sealing seat 32 far away from the tension block 33, the return spring 36 is arranged on one side of the tension block 33 far away from the sealing seat 32, at least two tension blocks 33 are axially arranged along the rotating shaft 1, and a connecting sleeve 37 is arranged between every two adjacent tension blocks 33.
In the application, the open end of the outer cylinder 31 coaxially rotates with the rotating shaft 1 through the fixing seat 34, after the ventilation is performed toward the ventilation seat 2, the gas is introduced into the sealed second cavity 372 through the gas passage 11 in the rotating shaft 1, the sealing seat 32 is pushed and the tension block 33 is driven to tightly press the return spring 36, and in the process, the tension nail 35 retracts into the surface of the outer cylinder 31 in the radial direction of the rotating shaft 1, so that the tension nail 35 is not pressed against the winding drum on the outer cylinder 31, and the winding drum is convenient to replace; after the replacement of the winding drum is completed, the ventilation to the ventilation seat 2 is cancelled, at the moment, the tensioning block 33 compresses the space of the first cavity 371 under the driving of the reset spring 36, and meanwhile, the tensioning nail 35 protrudes out of the surface of the outer drum body 31 to tightly push the winding drum on the outer drum body 31, so that the coaxial rotation of the air expansion shaft and the winding drum is realized.
As shown in fig. 2 and 6, the outer ring of the tension block 33 is in a folded structure along the axial direction of the rotating shaft 1, a plurality of tension nails 35 are arranged on the outer ring of the tension block 33 along the circumferential direction thereof, a plurality of limiting holes 311 are formed in the outer cylinder 31 corresponding to the tension nails 35, and the tension nails 35 are always located in the limiting holes 311. The plurality of tensioning nails 35 are uniformly distributed along the circumferential direction and can uniformly act on the inner ring of the winding drum to avoid slipping with the inner ring of the winding drum, and the length of the tensioning nails 35 is ensured to prevent the tensioning nails from being separated from the outer drum body 31 when the tensioning nails are contacted with the furling end of the tensioning block 33 in the implementation process.
In the process that the tensioning block 33 axially moves along the rotating shaft 1, the tensioning nail 35 slides relative to the tensioning block 33, but is stationary relative to the outer cylinder 31, and the tensioning nail 35 does not circumferentially slide with the tensioning block 33, so that damage to the tensioning nail 35 and the tensioning block 33 due to friction is reduced.
Preferably, in the present embodiment, the outer cylinder 31 is provided with a first annular groove 312 along the circumferential direction thereof corresponding to the stopper hole 311, the first annular groove 312 is connected to the stopper hole 311, and the elastic ring 313 is provided in the first annular groove 312. One end of the tension nail 35 is slidably connected with the tension block 33, a clamping groove 351 is formed in one end, far away from the tension block 33, of the tension nail 35, and the elastic ring 313 can be embedded into the clamping groove 351.
In the winding process, the outer ring of the tension block 33 pushes the tension nail 35 to protrude out of the surface of the outer cylinder body 31 and tightly support and fix the winding drum, the elastic ring 313 is also outwards supported at the moment, the ventilation seat 2 is ventilated in the winding changing process, the tension block 33 is pushed to move, the tension nail 35 is loosened, the elastic ring 313 can radially tighten the tension nail 35 at the moment, all the tension nails 35 are guaranteed to be released from supporting the winding drum, and the winding drum can be conveniently discharged.
As shown in fig. 2 and 4, the two opposite end surfaces of the two adjacent tension blocks 33 are correspondingly provided with second annular grooves 331, and two ends of the connecting sleeve 37 are respectively embedded in the two second annular grooves 331 of the two tension blocks 33. Set up a plurality of tight blocks 33 that rise in this application to the cooperation sets up the multiunit and rises tight nail 35, and increase inflatable shaft sleeve 3 avoids the condition that the winding in-process reel skidded to the tight area in top of reel, equally divides and rises tight nail 35 and act on the tight power in top on the reel, reduces the damage to the reel, and a plurality of tight blocks 33 synchronous motion that rise can be ensured to adapter sleeve 37.
In the application, the tensioning block 33 is located in the first cavity 371, the inner ring of the tensioning block 33 is provided with a limiting chute 332 along the axial direction of the rotating shaft 1, the rotating shaft 1 is correspondingly provided with a key slot 12, and the tensioning block 33 coaxially rotates along with the rotating shaft 1 through a flat key; the rotating shaft 1 is provided with a clamping ring 13, two ends of a return spring 36 are respectively abutted against the tensioning block 33 and the clamping ring 13, and the outer diameter of the tensioning block 33 is gradually reduced towards the sealing seat 32.
The inner ring and the outer ring of the sealing seat 32 are respectively provided with an inner ring groove 321 and an outer ring groove 322, and the inner ring groove 321 and the outer ring groove 322 are both provided with sealing rings, so that the second cavity 372 can be well sealed
As shown in fig. 6 and 7, the air vent seat 2 includes an air guide shell 21, an end cap 22 and a sealing member 23, the end cap 22 is disposed at one end of the air guide shell 21 and fixes the sealing member 23 in the air guide shell 21, and an air inlet 211 is disposed on the air guide shell 21; the sealing element 23 includes a first sealing ring 231, a flow guide ring 232 and a second sealing ring 233 which are axially disposed along the rotating shaft 1, the flow guide ring 232 is provided with a gas guide hole 2323, and the gas inlet 211 is communicated with the gas channel 11 through the gas guide hole 2323. The cross section of the deflector ring 232 is i-shaped, and comprises a third ring groove 2321 and a fourth ring groove 2322 which are respectively arranged on the outer ring and the inner ring of the deflector ring, the third ring groove 2321 is matched with the inner wall of the air guide shell 21 to form a first air guide cavity 212, the fourth ring groove 2322 is matched with the rotating shaft 1 to form a second air guide cavity 213, and the first air guide cavity 212 is communicated with the second air guide cavity 213 through the air guide hole 2323.
In the implementation process, the gas enters the first gas guiding cavity 212 from the gas inlet hole 211 on the gas guiding shell 21, and is uniformly guided into the second gas guiding cavity 213 through the plurality of gas guiding holes 2323 circumferentially arranged between the third annular groove 2321 and the fourth annular groove 2322, then is guided into the gas channel 11 in the rotating shaft 1 through the second gas guiding cavity 213, and finally is guided into the second cavity 372 through the gas outlet at the other end of the gas channel 11.
When the air expansion shaft is used, one end of the air vent seat 2 is installed on the turntable, so that the air vent seat 2 does not rotate coaxially with the rotating shaft 1, and the air inlet 211 on the air vent casing 21 needs to be communicated with the air channel 11 in the rotating shaft 1 through a transition cavity, so that air can be stably introduced into the air channel 11.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a pneumatic tight axle construction that rises which characterized in that includes: the air inflation device comprises a rotating shaft, an air inflation seat and an air inflation shaft sleeve, wherein an air channel is arranged in the rotating shaft and communicates the air inflation seat with the air inflation shaft sleeve;
the air expansion shaft sleeve comprises an outer cylinder body, and a sealing seat, a tension block and a fixed seat which are sequentially arranged along the axial direction of the rotating shaft, the fixed seat is fixedly connected with the rotating shaft, the sealing seat and the tension block can move along the axial direction of the rotating shaft, one end of the outer cylinder body is provided with an opening, and the opening end of the outer cylinder body is fixedly connected with the fixed seat;
the outer cylinder body is sleeved on the sealing seat and the tensioning block, a tensioning nail is arranged between the tensioning block and the outer cylinder body, the sealing seat is matched with the rotating shaft to divide the interior of the outer cylinder body into a first cavity and a sealed second cavity, the gas channel is communicated with the second cavity, and the tensioning block moves and drives the tensioning nail to protrude or sink into the surface of the outer cylinder body;
the second cavity is located one side of the sealing seat far away from the tension blocks, one side of the tension blocks far away from the sealing seat is provided with a return spring, the tension blocks are axially provided with at least two tension blocks along the rotating shaft, and a connecting sleeve is arranged between every two adjacent tension blocks.
2. The pneumatic tensioning shaft structure as claimed in claim 1, wherein the outer ring of the tensioning block is in a folded structure along the axial direction of the rotating shaft, a plurality of tensioning nails are arranged on the outer ring of the tensioning block along the circumferential direction of the outer ring of the tensioning block, a plurality of limiting holes are formed in the outer cylinder body corresponding to the tensioning nails, and the tensioning nails are always located in the limiting holes.
3. The pneumatic tensioning shaft structure according to claim 2, wherein a first ring groove is arranged on the outer cylinder body along the circumferential direction thereof corresponding to the limiting hole, the first ring groove is connected with the limiting hole, and an elastic ring is arranged in the first ring groove.
4. The pneumatic tensioning shaft structure according to claim 3, wherein one end of the tensioning nail is slidably connected with the tensioning block, a clamping groove is formed in one end of the tensioning nail, which is far away from the tensioning block, and the elastic ring can be embedded into the clamping groove.
5. The pneumatic tensioning shaft structure according to claim 1, wherein second annular grooves are correspondingly formed in two opposite end surfaces of two adjacent tensioning blocks, and two ends of the connecting sleeve are respectively embedded in the two second annular grooves of the two tensioning blocks.
6. The pneumatic tensioning shaft structure according to claim 2, wherein the tensioning block is located in the first cavity, a limiting chute is axially arranged on an inner ring of the tensioning block along the rotating shaft, a key groove is correspondingly arranged on the rotating shaft, and the tensioning block coaxially rotates along the rotating shaft through a flat key;
the rotating shaft is provided with a clamping ring, two ends of the reset spring are respectively abutted to the tensioning block and the clamping ring, and the outer diameter of the tensioning block gradually decreases towards the sealing seat.
7. The pneumatic tensioning shaft structure according to claim 1, wherein an inner ring groove and an outer ring groove are respectively arranged on the inner ring and the outer ring of the sealing seat, and sealing rings are respectively arranged in the inner ring groove and the outer ring groove.
8. The pneumatic tensioning shaft structure according to claim 1, wherein the air vent seat comprises an air guide shell, an end cover and a sealing element, the end cover is arranged at one end of the air guide shell and fixes the sealing element in the air guide shell, and an air inlet hole is formed in the air guide shell;
the sealing element comprises a first sealing ring, a flow guide ring and a second sealing ring which are axially arranged along the rotating shaft, the flow guide ring is provided with an air guide hole, and the air inlet hole is communicated with the air channel through the air guide hole.
9. The pneumatic tensioning shaft structure according to claim 8, wherein the cross section of the flow guide ring is i-shaped, and comprises a third ring groove and a fourth ring groove which are respectively arranged on an outer ring and an inner ring of the flow guide ring, the third ring groove is matched with the inner wall of the air guide shell to form a first air guide cavity, the fourth ring groove is matched with the rotating shaft to form a second air guide cavity, and the first air guide cavity is communicated with the second air guide cavity through the air guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221275728.1U CN217577844U (en) | 2022-05-24 | 2022-05-24 | Pneumatic tight axle construction that rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221275728.1U CN217577844U (en) | 2022-05-24 | 2022-05-24 | Pneumatic tight axle construction that rises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217577844U true CN217577844U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221275728.1U Active CN217577844U (en) | 2022-05-24 | 2022-05-24 | Pneumatic tight axle construction that rises |
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| Country | Link |
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| CN (1) | CN217577844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450143A (en) * | 2023-12-26 | 2024-01-26 | 华海通信技术有限公司 | Tensioning structure of inner unit of cylinder and inner unit of cylinder |
-
2022
- 2022-05-24 CN CN202221275728.1U patent/CN217577844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450143A (en) * | 2023-12-26 | 2024-01-26 | 华海通信技术有限公司 | Tensioning structure of inner unit of cylinder and inner unit of cylinder |
| CN117450143B (en) * | 2023-12-26 | 2024-03-05 | 华海通信技术有限公司 | Tensioning structure of inner unit of cylinder and inner unit of cylinder |
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