Hydraulic chuck device for spraying polyurethane thermal insulation pipe

A technology of hydraulic chuck and heat preservation pipe, which is applied in the direction of spraying device, etc., which can solve the problems of difficult control of the external support force and damage to the inner surface of the workpiece.

Active Publication Date: 2021-09-10
内蒙古伟之杰节能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For this reason, the present invention provides a hydraulic chuck device for polyurethane insulation pipe spraying, which is

Method used

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  • Hydraulic chuck device for spraying polyurethane thermal insulation pipe

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Embodiment Construction

[0051] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0052] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0053] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...

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Abstract

The invention relates to a hydraulic chuck device for spraying a polyurethane thermal insulation pipe. The hydraulic chuck device comprises a first oil cylinder, a second oil cylinder, a piston, a horizontal pull block, a vertical pull block, an outer supporting clamping jaw, a strain gauge, an inner clamping clamping jaw, a sealing block, a first chuck body, a second chuck body, a third chuck body, a fourth chuck body, a first oil valve, a second oil valve and a central control module. The theoretical oil inlet amount of the first oil cylinder is calculated through the central control module, and the oiling speed is determined by the theoretical oil inlet amount of the first oil cylinder; and when the central control module starts the first oil valve to add oil to the first oil cylinder, the strain gauge detects the pressure borne by the strain gauge in real time, a flow detector records the oil injection amount of the first oil cylinder in real time, and the central control module adjusts the oil adding speed of the first oil cylinder according to the pressure borne by the strain gauge and the oil injection amount of the first oil cylinder. By intelligently adjusting the oiling speed of the oil cylinders, the situation that a to-be-sprayed pipeline is damaged due to the too high oiling speed and the too large supporting force of the outer supporting clamping jaw is prevented.

Description

technical field [0001] The invention relates to the technical field of workpiece fixing, in particular to a hydraulic chuck device for polyurethane insulation pipe spraying. Background technique [0002] The chuck is a device used to clamp the workpiece during machine tool processing. The chuck of the existing disc parts processing machine tool adopts a three-jaw or four-jaw mechanism, and the jaws are a rectangular parallelepiped. The hydraulic chuck uses a hydraulic device to drive the jaw The centripetal movement is used for clamping. When fixing the tubular workpiece to be sprayed, the jaws are supported on the inner surface of the workpiece, and one end surface of the workpiece is close to the chassis. However, in the existing external support fixing process, the clamp When the claw supports the inner surface of the workpiece, the surface of the chuck is worn out due to long-term use, which makes it difficult to control the force of the outer support when supporting the...

Claims

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Application Information

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IPC IPC(8): B05B13/02B05B12/08
CPCB05B13/0214B05B12/08
Inventor 闫明海
Owner 内蒙古伟之杰节能装备有限公司
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