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Spiral rotor and teeth-like creation method thereof

A technology of rotor and screw, which is applied in the field of creation of screw rotor and its tooth shape, can solve the problems of elongated production time, difficulty in processing screw rotor defect rate, unfavorable machine manufacturing, etc., so as to achieve convenient processing and benefit The effect of machine manufacturing and shortening the production schedule

Active Publication Date: 2015-03-18
ATAI FUJI MOTOR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, because the tooth shape formed by the above-mentioned helical rotor does not consider the parameters of the tool used in actual processing in the design stage, when the above-mentioned helical rotor is actually processed, the defect of the helical rotor is often increased due to the difficulty in processing. rate, and even cause the tool to fail to conform to the designed tooth shape and the original tooth shape design needs to be readjusted, which in turn prolongs the production time and is not conducive to the production of the machine

Method used

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  • Spiral rotor and teeth-like creation method thereof
  • Spiral rotor and teeth-like creation method thereof
  • Spiral rotor and teeth-like creation method thereof

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Embodiment Construction

[0061] see figure 1 , figure 1 It is a schematic diagram of components of the vacuum auxiliary pump machine 3 according to the embodiment of the present invention. Such as figure 1As shown, the vacuum pump machine 3 includes a body 30 , a first helical rotor 32 and a second helical rotor 33 . Both the first helical rotor 32 and the second helical rotor 33 are installed in the machine body 30 , and the tooth shape of the first helical rotor 32 is the same and corresponds to the tooth shape of the second helical rotor 33 . Therefore, the first helical rotor 32 can be engaged with the second helical rotor 33, and when the first helical rotor 32 and the second helical rotor 33 rotate relatively, the fluid can flow from one of the first helical rotor 32 and the second helical rotor 33. side suction, and then the fluid is sent out from the other side of the first helical rotor 32 and the second helical rotor 33, so as to achieve the effect of vacuum. Since the tooth shape of the...

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Abstract

The invention discloses a spiral rotor and a teeth-like creation method thereof. The teeth-like creation method comprises the setps of setting a top circle, a pitch circle and a bottom circle. The spiral rotor comprises a first curve, a second curve and a third curve. The second curve is connected with the first curve by means of the bottom circle. From one point of the top circle, the second cure is configured in a cycloidal manner. The third curve is connected with the first curve by the pitch circle and is connected with the second curve by the top circle. The third curve is used for generating a first curve in the conjugation and mirror manner. The third curve is formed on one end surface of a cylinder to connect the pitch circle with the bottom circle. The cylinder is generated by the top circle. A spiral groove is arranged on the surface of the cylinder and is connected to the end surface of the cylinder. The depth of the spiral groove is equal to the differernce of the radius of the top cirle and the radius of the pitch circle.

Description

technical field [0001] The invention relates to a rotor and a method for creating a tooth shape thereof, in particular to a helical rotor suitable for a vacuum pump and a method for creating a tooth shape thereof. Background technique [0002] Generally speaking, the interior of the vacuum pump machine is provided with two correspondingly meshed rotors, through the relative rotation of the two rotors, the fluid is sucked from one side of the rotor, and then the fluid is sent out from the other side of the rotor. Thus, fluid on that side of the rotor can be drawn out from that side, creating a vacuum effect. [0003] However, because the tooth shape formed by the above-mentioned helical rotor does not consider the parameters of the tool used in actual processing in the design stage, when the above-mentioned helical rotor is actually processed, the defect of the helical rotor is often increased due to the difficulty in processing. rate, and even cause the tool to fail to conf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C15/00F04C2/16
CPCF04C2/16F04C15/00F04C2240/20F04C2250/20
Inventor 林敬渊董能瑞
Owner ATAI FUJI MOTOR