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Intermediate unloader

A technology of unloader and cylinder, which is used in conveying bulk materials, conveyors, transportation and packaging, etc., can solve the problems of easy air leakage, poor sealing, easy wear, etc., to improve sealing, improve wear resistance, extend the The effect of the service life

Active Publication Date: 2013-05-08
江苏万衡智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The applicant aims at the disadvantages of poor sealing, easy wear, and easy air leakage in the above-mentioned existing structure, and provides an intermediate unloader, thereby improving its sealing and wear resistance

Method used

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Embodiment Construction

[0019] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0020] See figure 2 , the present invention includes a cylinder 1, a box body 2, an air path joint 3, a valve body 8, and a flange 6. The cylinder 1 is installed at one end of the box body 2, and is connected to the air path joint 3 in the box body 2 through the air pipe 3-1. The interface at one end of the upper part is connected, and the middle delivery pipe 8 is installed inside the box body 2. For the convenience of casting, the middle delivery pipe 8 is composed of two sections of casting pipes, and the outer periphery of the middle delivery pipe 8 is equipped with a cast pipe 9. The cast pipe 9 plays the role of sealing and protecting the intermediate delivery pipe 8, and is convenient for welding connection with the connecting head 11 at the same time. Flange connecting pipes 6 are respectively spliced ​​at both ends of the middle...

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Abstract

The invention relates to an intermediate unloader, which comprises an air cylinder, wherein the air cylinder is arranged at one end of a box body and connected with an air path connector through an air pipe; an intermediate conveying pipe is arranged inside the box body; a cast pipe is arranged at the periphery of the intermediate conveying pipe; two ends of the intermediate conveying pipe, at two ends of the box body, are respectively spliced with flange connecting pipes; a seal device is respectively arranged at the peripheries of two ends of the intermediate conveying pipe; each seal device comprises an annular inflating bag, a protection plate is arranged at the periphery of each annular inflating bag; and the annular inflating bags are respectively connected with the air path connector through air pipes; and a piston rod of the air cylinder is connected with one side of the cast pipe through a connecting rod and a connector. According to the invention, by arranging the seal devices provided with the annular inflating bags, the sealability of the unloader in the working process is improved, material swap and air leakage problems because a gap is formed between the intermediateunloader and the box body are solved; and both the intermediate conveying pipe and the flange connecting pipes are high manganese steel pipes, therefore the wearing resistance is improved and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of unloaders, in particular to an intermediate unloader for pneumatic conveying. Background technique [0002] Such as figure 1 As shown, the pneumatic conveying intermediate unloader commonly used in China at present includes a valve body 102 with two ends of the feed port 103 and 106 and a discharge port 105. The valve body 102 is provided with a ball flap 101 inside, which is driven by the action of a cylinder. The spheroid turnover plate 101 blocks the unloading and passes through the unloading. But this structure has the following disadvantages: [0003] (1) There is a gap between the sphere flap 101 and the feed port 106 or discharge port 105 of the unloader, and the sealing performance is poor, which is prone to air leakage, abrasion and cross-linking, which affects the normal operation of the unloader. [0004] (2) The ball flap is constantly impacted by the material, and the wear speed is fast. After the w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G53/40
Inventor 周正荣
Owner 江苏万衡智能科技有限公司
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