A movable thimble type exhaust mold with a polyurethane rubber sleeve
A polyurethane rubber and movable thimble technology is applied in the field of ceramic machinery to achieve the effects of avoiding work flow, avoiding blockage, and having a simple and reliable structure
Active Publication Date: 2016-06-22
FOSHAN XINPENG IND SERVICE CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to solve the defects of the existing molds for ceramic tiles, and provide a movable thimble type exhaust mold with polyurethane rubber sleeves that can automatically clean the powder in the vent hole and make all thimbles move synchronously
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Embodiment 1
[0031] A movable thimble exhaust mold with a polyurethane rubber sleeve ( figure 1 ), including the core body 1, the vent hole 2, the movable thimble 3, the powder cleaning plate 4 and the return plate 5, the return plate 5, the powder cleaning plate 4 and the core body 1 in sequence from top to bottom Closely installed, the mold core body 1 is provided with several vent holes 2, the vent holes 2 run through the mold core body 1, and the powder cleaning plate 4 is provided with a powder blowing channel 41 and the vent holes 2 connected, the exhaust hole 2 is provided with a movable thimble 3 that can be used for telescopic action, and the movable thimble 3 runs through the return plate 5, the powder cleaning plate 4 and the mold core body 1; the movable Specode 3 ( Figure 4 ) is a cylinder, including a piston head 31, a piston 32, a thimble body 33 and a thimble head 34, one end of the piston head 31 is connected to the piston 32, and the other end of the piston 32 is connec...
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The invention discloses a movable ejector pin type exhaust mould with polyurethane rubber sleeves. A return-stroke plate, a powder clearing plate and a mould core body are tightly arranged from top to bottom in sequence. The mould core body is provided with a plurality of exhaust holes which penetrate through the mould core body. The powder clearing plate is provided with a powder blowing channel which is communicated with the exhaust holes. Movable ejector pins which can move in a telescopic mode are arranged in the exhaust holes. The movable ejector pins penetrate through the return-stroke plate, the powder clearing plate and the mould core body. The movable ejector pins are cylinders and comprise piston heads, pistons, ejector pin bodies and ejector pin heads. The piston heads are arranged at one ends of the movable ejector pins, and one ends of the piston heads are connected with pistons. The other ends of the pistons are connected with the ejector pin bodies. The other ends of the ejector pin bodies are connected with the ejector pin heads. Chamfers are arranged on the connecting portions of the pistons and the ejector pin bodies. At least one piston sealing groove is formed surrounding the side face of the end portion of each piston head. Piston sealing rings are arranged in the piston sealing grooves. The polyurethane rubber sleeves are arranged at the other ends of the movable ejector pins.
Description
technical field [0001] The invention relates to the field of ceramic machinery, in particular to a movable thimble type exhaust mold with a polyurethane rubber sleeve. Background technique [0002] The ceramic brick forming mold is an important equipment for the production of ceramic bricks. The current ceramic bricks are formed by powder materials. The presence of trapped air in the fired ceramic tiles leads to the formation of serious defects in the ceramic product, which are usually only detected at a later stage of production, thus leading to the total rejection of the product with significant economic losses Essence In order to solve this problem, the existing ceramic tile forming molds are equipped with a large number of special vent holes on the mold core body, but such vent holes are prone to blockage due to the accumulation of a large amount of powder in the holes during the production process. As a result, after a period of production, it is often necessary to st...
Claims
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IPC IPC(8): B28B7/44B28B7/38
CPCB28B7/386B28B7/44
Inventor 周文鹏周庆添
Owner FOSHAN XINPENG IND SERVICE CO LTD