Thousand-island type air expansion shaft
The Thousand Island type air expansion shaft solves the problem of excessive pressure on the paper tube caused by the key type air expansion shaft through the design of key block and nylon plug, achieving more stable glass fiber cloth winding and improved safety.
Patent Information
- Application Number
- CN202422538289.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-21
AI Technical Summary
The key bar of the existing through-key air shaft covers the entire air shaft, resulting in excessive pressure on the paper tube, which can easily damage the shape of the paper tube, affect the winding effect of the glass fiber cloth, and may cause abnormal use by downstream customers.
The Thousand Island type pneumatic shaft is adopted, and multiple shorter key blocks are used to replace the key bars. The design of nylon plug and rubber block is combined to reduce the weight of the pneumatic shaft and the pressure on the paper tube. The rubber block is fixed against the inner wall of the paper tube.
The pressure of the air-inflated shaft on the paper tube is reduced, the damage to the shape of the paper tube is reduced, the winding effect of the glass fiber cloth is improved, and the safety and reliability of use are enhanced.
Smart Images
Figure CN223444936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to warp production and processing technical field, especially a thousand island type gas inflation shaft. BACKGROUND
[0002] The gas inflation shaft is used for realizing cloth volume winding, is used for glass cloth volume winding at the winding end of the cloth inspection machine, plays a fixing role to the paper tube, the paper tube is sleeved on the gas inflation shaft, the chuck is fixed at the winding end of the cloth inspection machine, when the gas inflation shaft is inflated, the key strip arranged along the length direction of the gas inflation shaft outwardly abuts against the inner wall of the paper tube, the friction between the gas inflation shaft and the paper tube is increased, so that the glass cloth winding is more firm.
[0003] The key strip of the through key type gas inflation shaft covers the whole gas inflation shaft, more gas inflation shafts are covered, the pressure of the paper tube used for the glass cloth is larger, the original shape of the package material is easily damaged, the placement of the glass cloth in the later period is not favorable, and the downstream customer generates an abnormality in use. UTILITY MODEL CONTENT
[0004] In order to solve the technical problems in the background art, the utility model provides a thousand island type gas inflation shaft.
[0005] The utility model discloses a thousand island type gas inflation shaft, including the casing, the gasbag, the plug, the bearing, the chuck, the gasbag is installed in the casing and is communicated with the inflation port of one end of the casing, the plug is fixed in the end of the casing away from the inflation port and is connected with the chuck through the bearing, the casing is sequentially arranged with a plurality of key groove groups along its circumferential direction, each key groove group contains a plurality of key grooves that are sequentially and spaced apart along the length direction of the casing, the key block is slidably inserted into the key groove along the radial direction of the casing, and the inner end of the key block has an anti-drop part.
[0006] Preferably, the plug is made of nylon material.
[0007] Preferably, the side of the plug close to the casing has an inclined surface, and the inclined surface is close to the axis direction of the casing in the direction close to the inflation port.
[0008] Preferably, a groove is formed in the key block, and a rubber block is slidably inserted into the groove along the radial direction of the casing.
[0009] Preferably, the thickness of the rubber block is greater than the thickness of the groove.
[0010] Preferably, a rigid reinforcing member is embedded in the rubber block.
[0011] Preferably, the cross section of the rigid reinforcing member is cross-shaped.
[0012] The utility model discloses a gas expansion shaft, through a plurality of shorter key block replacement key strip type, reduce the weight of gas expansion shaft itself and the pressure produced to paper tube, be favorable to the winding of glass cloth, in addition, the plug adopts the nylon material of higher hardness, further reduce the weight of gas expansion shaft, and avoid the friction between metal and produce the influence to product. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 A three-dimensional structure schematic diagram of a thousand island type gas expansion shaft is provided for the utility model;
[0014] Fig. 2 A cross section structure schematic diagram of a thousand island type gas expansion shaft is provided for the utility model. DETAILED DESCRIPTION
[0015] Referring to Figs. 1-2 The utility model discloses a thousand island type gas expansion shaft, including casing 1, gasbag 2, plug 3, bearing 4, chuck 5, gasbag 2 installs in casing 1 and with the inflation port of casing 1 one end communication, plug 3 is fixed in the one end of casing 1 away from the inflation port and is connected with chuck 5 through bearing 4, and casing 1 is sequentially spaced apart with a plurality of keyway groups along its circumferential direction, and each keyway group contains a plurality of keyways 11 that are sequentially spaced apart along the length direction of casing 1, and the key block 12 of keyway 11 is slidably inserted along the radial direction of casing 1, and the inner end of key block 12 has anti-drop part 121.
[0016] Wherein the anti-drop part 121 can avoid the key block 12 and the keyway 11 are separated.
[0017] The island type key strip formed by a plurality of key blocks 12 in the keyway group in the utility model replaces the key strip of the through strip type in the prior art, reduces the weight and cost of the gas expansion shaft, can also reduce the pressure generated to the paper tube, is beneficial to the winding of glass cloth, and when using, the gasbag 2 is inflated through the inflation port, the gasbag 2 is inflated and abuts against the key block 12, the key block 12 is driven to move outward of the casing 1, and finally abuts against the inner wall of the paper tube sleeved outside the casing 1, so that the paper tube is fixed.
[0018] In the above embodiment, in order to further reduce the weight of the gas expansion shaft, the plug 3 is made of nylon material, and in addition, the plug 3 is made of nylon material, which can not only reduce the weight of the device body, but also reduce the possibility of fire caused by friction heating between the plug 3 and the bearing 4, and improve the use safety performance of the gas expansion shaft body.
[0019] The plug 3 and the side of the casing 1 close to the casing 1 have inclined surfaces, and the inclined surfaces are close to the axis direction of the casing 1 in the direction close to the inflation port.
[0020] In the above embodiment, in order to further increase the friction between the air shaft and the paper tube and reduce the hard pressure of the air shaft on the paper tube when fixing the paper tube, the key block 12 is provided with a groove, a rubber block 13 is inserted into the groove and slides along the radial direction of the shell 1, and the thickness of the rubber block 13 is greater than the thickness of the groove.
[0021] When the air shaft drives the paper tube to start rotating, the centrifugal force of the paper tube is greater than the elastic force of the rubber block 13, so that a relative movement is generated between the paper tube and the rubber block 13, the rubber block 13 is inclined along the circumferential direction of the paper tube, and the rubber block 13 may be deformed after a long time, which affects the use effect. In order to improve the rigidity of the rubber block 13, the rubber block 13 is embedded with a rigid reinforcing part, and the rigid reinforcing part can be made of metal and can be in a cross shape, so as to strengthen the rubber block 13 in the length, width and height directions.
[0022] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A Thousand Islands type air expansion shaft, characterized in that: The invention comprises a shell (1), an air bag (2), a plug (3), a bearing (4), and a chuck (5); the air bag (2) is installed in the shell (1) and is connected to the inflation port at one end of the shell (1); the plug (3) is fixed to the end of the shell (1) away from the inflation port and is connected to the chuck (5) through the bearing (4); a plurality of key slot groups are sequentially arranged along the circumference of the shell (1); each key slot group comprises a plurality of key slots (11) sequentially arranged along the length direction of the shell (1); a key block (12) is inserted into the key slot (11) so as to slide radially along the shell (1); and the inner end of the key block (12) has an anti-slip portion (121); The plug (3) is made of nylon; The plug (3) has an inclined surface on one side close to the shell (1), and the inclined surface approaches the axis direction of the shell (1) in the direction close to the inflation port.
2. The Thousand Islands type air expansion shaft according to claim 1, characterized in that: A groove is provided in the key block (12), and a rubber block (13) is inserted and slidably inserted in the groove along the radial direction of the housing (1).
3. The Thousand Islands type air expansion shaft according to claim 2, characterized in that: The thickness of the rubber block (13) is greater than the thickness of the groove.
4. The Thousand Islands type air expansion shaft according to claim 3, characterized in that: The rubber block (13) is embedded with a rigid reinforcement.
5. The Thousand Islands type air expansion shaft according to claim 4, characterized in that: The cross section of the rigid reinforcement is cross-shaped.