Novel inflatable shaft and chuck body connection structure
A technology of connecting structure and inflatable shaft, applied in the direction of coupling, rigid shaft coupling, mechanical equipment, etc., can solve problems such as hidden dangers of safety production, large volume of flanges, looseness, etc., to achieve simple and convenient operation, The effect of increasing the sliding friction stroke
Active Publication Date: 2015-04-22
中山优莱特印刷机械有限公司
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Problems solved by technology
[0002] The existing locking structure of the air expansion shaft mostly adopts the flange screw fastening or arc-shaped gland type. The former has good fastening performance because of the large number of thread locking, but the locking method is cumbersome and the flange The volume of the plate is large and the weight is also relatively large. The flange plate needs to be disassembled every time, which has a certain risk of work injury; the latter only has one or two threaded locking glands compared to the former, and the locking method is convenient without disassembling the heavy parts such as flanges. , but relatively speaking, the air shaft vibrates and shakes due to the centrifugal force and its own quality inhomogeneity during the rotation process, so that the air shaft is partially or completely loose, which has hidden dangers in production safety and cannot adapt to high-precision Development requirements of coating machine
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[0027] The technical features of the present invention will be described in further detail below in conjunction with the accompanying drawings so that those skilled in the art can understand.
[0028] A new type of connection structure between the air shaft and the chuck body, including a chuck body 2, on which the chuck body 2 is hinged with a gland 3 through a pin shaft 4, through the rotation of the gland 3, the air shaft 1 Compressed on the chuck body 2, a movable locking pin 9 is also provided on the chuck body 2, and a locking hole 5 is provided at the non-hinged end of the gland 3. A movable locking pin 9 is inserted into the locking hole 5 to lock the gland 3 .
[0029] The toggleable locking pin 9 includes a lower pin 901 inserted into the locking hole 5 and a toggle rod 902 for turning the lower pin 901. The toggle rod 902 is a screw rod. The chuck body 2 and the gland 3 are provided with a neutral slot 10 that limits the movement of the toggle lever 902, and the to...
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The invention discloses a novel inflatable shaft and chuck body connection structure. According to the technical scheme, the connection structure is characterized in that a chuck body is included and is hinged to a gland through a pin shaft, an inflatable shaft is pressed on the chuck body through rotation of the gland, the chuck body is further provided with a locking pin capable of being poked, the end, not hinged to the chuck body, of the gland is provided with a locking hole, and the locking pin capable of being poked is inserted into the locking hole to lock the gland. By means of innovation of the structure, an original whole gland fastening mode is converted into a rotary gland fastening mode, a single thread fastening mode is changed into a locking mode of the locking pin capable of being poked, sliding friction stroke is increased in the disengaging process, an instantaneous failure mode is converted into a failure mode with the process capable of being predicted, and the connection structure is suitable for development requirements of high-precision coating machines.
Description
【Technical field】 [0001] The invention relates to a connection structure between an air expansion shaft and a chuck body, in particular to a connection structure between an air expansion shaft and a chuck body of a coating machine. 【Background technique】 [0002] The existing locking structure of the air expansion shaft mostly adopts the flange screw fastening or arc-shaped gland type. The former has good fastening performance because of the large number of thread locking, but the locking method is cumbersome and the flange The volume of the plate is large and the weight is also relatively large. The flange plate needs to be disassembled every time, which has a certain risk of work injury; the latter only has one or two threaded locking glands compared to the former, and the locking method is convenient without disassembling the heavy parts such as flanges. , but relatively speaking, the air shaft vibrates and shakes due to the centrifugal force and its own quality inhomogen...
Claims
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IPC IPC(8): F16D1/08
Inventor 郭景松王亚东谢起峰甘德韶
Owner 中山优莱特印刷机械有限公司