Slurry pump bionic piston casting forming method and device

A casting molding, mud pump technology, applied in the direction of household components, household appliances, other household appliances, etc., can solve the problems of piston failure and affecting the service life of the piston, and achieve the effect of simple principle, simple structure and easy realization.

Active Publication Date: 2017-08-11
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high sand content, high viscosity, high corrosiveness and other conditions of the conveying medium, as well as the high-pressure working condition of the reciprocating motion between the piston and the cylinder liner, may cause the piston to fail and affect the service life of the piston

Method used

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  • Slurry pump bionic piston casting forming method and device
  • Slurry pump bionic piston casting forming method and device
  • Slurry pump bionic piston casting forming method and device

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Experimental program
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Embodiment Construction

[0028] Such as figure 1 and figure 2 As shown, the mud pump imitation piston casting molding method of the present invention comprises the following steps:

[0029] The first step: the lower positioning hole 16 faces upward, and the bottom mold base 17 is fixed on the processing platform; the high-styrene-butadiene-styrene skeleton primer is fixed on the die 15 of the bottom mold base 17;

[0030] Step 2: After the high styrene-butadiene-styrene skeleton primer is fixed, place the lower sealing gasket 18 on the upper edge of the bottom mold base 17;

[0031] Step 3: After the lower sealing gasket 18 is placed, install the central support 6 on the bottom mold base 17; Reasonably coordinate with the positioning;

[0032] Step 4: apply a uniform downward force on the center support 6; clamp the middle mold 11 and the center support 6, and match the positioning pins 10 of the middle mold 11 with the through holes 7 on the center support 6;

[0033] Step 5: use the fastening c...

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Abstract

The invention discloses a slurry pump bionic piston casting forming method and device. The slurry pump bionic piston casting forming device is mainly composed of an upper die cover, a middle support, a bottom die seat and a middle die. The upper die cover is provided with a male die, and a female die is arranged on the bottom die seat. A male die structure is used for forming a hollow part of a piston rubber cup, and a female die structure is used for fixing high-styrene butylbenzene framework base rubber. A middle shaft upper portion is used for forming a hollow part where a piston connecting rod is located, and a lower portion is matched with a positioning hole in the middle of the bottom die seat for achieving the centering effect. A bionic structure is designed on the middle die, and a bionic pit structure can be formed at a time after die assembling. By means of the method and device, the principle and the structure are simple, repeatability is high, and the method and device can be used for batched production of bionic pit-shaped pistons.

Description

technical field [0001] The invention relates to a casting molding method and molding device for a mud pump imitating a piston. The casting molding method and device are used to cast bionic pistons for pit type mud pumps. On the basis of traditional sealed and wear-resistant pistons, bionic pits are added to the pistons, and the pit structure can be molded at one time. Background technique [0002] Whether it is about the energy development of conventional oil and natural gas, or the further development of shale oil and shale gas, mud pumps used in drilling equipment are inseparable. The mud pump transports mud from the bottom of the well during the drilling process, and carries the drilling cuttings to the surface through the mud. Two key components in this mud circulation process are the cylinder liner and the piston. Conditions such as high sand content, high viscosity, and high corrosiveness of the conveying medium, as well as the high-pressure working conditions of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/02B29C35/02B29L31/00
CPCB29C35/02B29C43/021B29C2043/025B29L2031/7494
Inventor 丛茜高天禹汝邵锋殷世琦王志杰
Owner JILIN UNIV
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