Tyre forming drum
A tire building drum and spindle technology, which is applied to tires, other household appliances, household appliances, etc., can solve the problems of restricting the size of the formed tire, high production costs, and short service life of the tire building drum, reducing production costs and occupying space. The effect of less and simplified structure
Inactive Publication Date: 2008-12-24
杨建忠
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Problems solved by technology
Because the drum tile expansion of this kind of tire building drum depends on the sliding between the inner and outer sliders, and the inner and outer sliders are made of metal materials, which are easy to wear after a long time. Therefore, the use of this tire building drum shorter lifespan
In addition, since the inner and outer sliders are metal products, not only will the number of parts of the tire building drum increase, the structure will be more complicated, and the production cost will be higher.
Moreover, the inner and outer sliders occupy a lot of space, which will limit the specifications of the molded tires.
Therefore, the scope of application of this tire building drum is limited
Method used
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[0011] Figure 1 and figure 2 As shown, the tire building drum of the present invention contains a main shaft 6, and two guide seats 5 are sleeved on the main shaft 6. These two guide seats are circular, and their outer circumferences are all processed with a plurality of radial sliding holes. A drum shoe 3 is arranged between a pair of corresponding radial sliding holes between the two guide seats 5 , and the number of the drum shoes 3 is the same as the number of radial sliding holes on each guide seat 5 . Both ends of the drum tile 3 are provided with radial sliding pins 1, one end of the two radial sliding pins is respectively fixed on the inner sides of both ends of the drum tile 3, and their other ends slide into the guide seat 5 correspondingly. in the radial slide hole. Both ends of the drum tile 3 are processed with circumferential grooves on the outer circle, and extension springs 2 are arranged in the circumferential grooves, and the two ends of the drum tile 3 are ...
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The invention relates to a tire molding drum, in particular to a molding drum on a tire molding machine used for processing tires. The molding drum essentially comprises a spindle which is provided with two guide seats. The periphery of the guide seats is provided with radial sliding holes. A pair of radial sliding holes between the two guide seats is respectively provided with a drum tile. The inner sides of the two ends of the drum tile are respectively provided with a radial sliding pin. The two radial sliding pins stretch into the corresponding radial sliding holes in sliding way. All the drum tiles are connected through a drag spring. The molding drum is characterized in that an air bag is sleeved on the segment of the spindle between the two guide seats. The two ends of the air bag are closely matched with the spindle. One end of the spindle is provided with an air inlet hole which extends into the air bag and is communicated with the air bag. When in use, the air inlet hole is connected with an air source. The tire molding drum has the advantages of simple structure, low production cost and unrestricted application range.
Description
technical field [0001] The invention relates to a tire production equipment. Specifically, it is the building drum on the tire building machine used to process tires. Background technique [0002] It is well known in the tire production industry that the equipment used to process tires is a traditional tire building drum. This traditional tire building drum contains a main shaft, and two guide seats are sleeved on the main shaft, and radial sliding holes are processed in the circumferential direction of the guide seats. There is a drum shoe between a pair of radial sliding holes of the two guide seats, and radial sliding pins are fixed on the inner sides of both ends of the drum shoe, and the two radial sliding pins all slide into the corresponding sliding holes. An inner slide block is sleeved on that section of the main shaft between the two guide seats. The inner sliding block is conical and fits slidingly with the main shaft. An outer sliding block is fixed on the in...
Claims
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IPC IPC(8): B29D30/12
Inventor 杨建忠
Owner 杨建忠