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Hydroseal device of closed-smelting machine rotor

A technology of hydraulic sealing and internal mixer, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of wear-resistant plate and oil cylinder support plate structure and processing complex, high precision requirements, difficult installation and disassembly, etc., to achieve Simplify parts design and processing technology, good sealing effect and simple processing

Active Publication Date: 2009-05-20
YIYANG RUBBER PLASTICS MACHINERY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current domestic and foreign internal mixer rotor hydraulic sealing devices are characterized by the use of oil cylinder seals, and every two oil cylinders are fixed on an oil cylinder support plate, and the oil cylinder support plate is fixed on a wear-resistant plate, such as patent No. 200620052602.2 , the application date is October 24, 2006, and the patent of the invention titled internal mixer rotor shaft end seal discloses a structure in which the sealing oil cylinder is installed on the end plate (wear-resistant plate), so that the wear-resistant plate and the oil cylinder support The plate structure and processing are complicated, the precision requirements are high, and the installation and disassembly are also very difficult

Method used

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  • Hydroseal device of closed-smelting machine rotor
  • Hydroseal device of closed-smelting machine rotor
  • Hydroseal device of closed-smelting machine rotor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] From Figure 1, figure 2 It can be seen that a hydraulic sealing device for the rotor of an internal mixer includes a bearing support 1, a sealing oil cylinder 6. The oil cylinder support plate 5 is installed on the bearing support 1, and the sealing oil cylinder 6 is installed on the oil cylinder support plate 5 to seal the piston rod of the oil cylinder 6. Press on the static wear ring 4. The cylinder support plates 5 are evenly distributed on the bearing bracket 1, and the number is 2-4 (four in this embodiment), and the corresponding sealed cylinder 6 is also 2-4 (four in this embodiment) .

[0019] The wear plate 2 of the present invention is installed in the hole of the bearing bracket 1, the oil cylinder support plate 5 is fixed on the bearing support 1 with high-strength bolts, the sealed oil cylinder 6 is fixed on the oil cylinder support plate 5, and its piston rod directly resists static wear The ring 4 is pressurized so that the dynamic wear ring 3 and the stati...

Embodiment 2

[0021] by Figure 5 It can be seen that in the prior art, the pre-tensioning spring is installed in the sealed oil cylinder, and is used to tighten the working surfaces of the dynamic wear ring 3 and the static wear ring 4 by the pre-tensioning force of the pre-tensioning spring when it is not working. Close together, but the preload pressure cannot be adjusted. At the same time, after a period of use, due to the wear of the sealing parts or the failure of the preload spring, the preload spring will not provide sufficient preload pressure for the static wear ring.

[0022] From Figure 1, figure 2 , image 3 It can be seen that, in order to adjust the pre-tightening pressure of the static wear ring, the static wear ring 4 is provided with a pre-tightening force device that provides pre-tightening pressure to the static wear ring 4. The pre-tightening force device is static The grinding ring 4 is provided with a positioning rod 9, a spring 10 and a spring seat 8 are sleeved on the p...

Embodiment 3

[0024] From Figure 1, figure 2 , image 3 , Figure 4 It can be seen that the present invention is to indicate the wear state of the sealing parts, and is provided with an indicator rod 8 whose one end is fixed on the static wear ring 4 and the other end is exposed through the cylinder support plate 5. For visual display, an indicator mark is provided at one end of the indicator rod 8 exposed to the outside.

[0025] The indicator mark on the exposed end of the indicator rod 8 can directly reflect the wear state of the sealing parts, so that it can be replaced or repaired in time. The rest is the same as Example 1 and Example 2.

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PUM

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Abstract

The invention discloses a hydraulic sealing device convenient in processing, installation and maintenance for a rotor of a mixer. The hydraulic sealing device comprises a bearing support [1] and a sealing oil cylinder [6], and is characterized in that: an oil cylinder support plate [5] is arranged on the bearing support [1]; the sealing oil cylinder [6] is arranged on the oil cylinder support plate [5]; and a piston rod of the sealing oil cylinder [6] is pressed on a static wear-resistance ring [4]. The device has the advantages of simple and advanced structure, simplified part design and processing technique, simple processing, convenient installation and maintenance, safer and more reliable sealing device, better sealing effect and prevention of leakage of dust.

Description

Technical field: [0001] The invention relates to an internal mixer rotor, in particular to a hydraulic sealing device for the internal mixer rotor. Background technique: [0002] The currently disclosed hydraulic sealing device for internal and external mixer rotors is characterized by the use of oil cylinders for sealing. Every two oil cylinders are fixed on a cylinder support plate, and the cylinder support plate is fixed on the wear plate, such as the patent number 200620052602.2 , The application date is October 24, 2006. The patent with the name of the internal mixer rotor shaft end seal discloses a structure in which a sealed oil cylinder is installed on an end plate (wear plate), so that the wear plate and the cylinder support The board structure and processing are complicated, the precision is high, and the installation and disassembly are also very difficult. Summary of the invention: [0003] The purpose of the present invention is to provide a hydraulic sealing device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/22F16J15/46
Inventor 彭志深金进尧杜云峰
Owner YIYANG RUBBER PLASTICS MACHINERY GROUP