A kind of shear pin safety mechanism of granulator
A safety mechanism and shear pin technology, applied in the direction of die extrusion and granulation, can solve problems such as personal injury and entanglement, and achieve the effects of preventing injury, improving safety performance, and improving safety protection performance.
Active Publication Date: 2016-01-13
扬州华美知识产权事务有限公司
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Problems solved by technology
When an overload occurs, the flange rotates with the main shaft of the granulator, which exposes the operator or maintenance personnel to the danger of rotating the flange. The rotating flange may be entangled in the clothing and hair of the operator or maintenance personnel, causing personal injury
Method used
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[0022] The present invention will be further clarified below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. Modifications of equivalent forms all fall within the scope defined by the appended claims of this application.
[0023] like figure 1 , figure 2 and image 3 A shear pin safety mechanism of a pellet mill is shown, including a gear box 1, a shear pin cover 2 is fixedly connected to one side of the gear box by bolts, and the end of the pellet machine main shaft 10 penetrates the shear pin cover 2. The end face of the cutting pin housing 2 is covered with a shearing pin flange 3 that is fixedly connected to the end of the main shaft of the pellet mill. There are two shear pins 4 inserted between the shear pin flange and the shear pin cover in the axial direction of the main shaft of the machine. I...
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A granulator shear-pin safety mechanism comprises a granulator support or a gearbox (1). The granulator support or the gearbox (1) is provided with a shear-pin guard (2), a granulator main shaft (10) penetrates through the shear-pin guard (2), the end surface of the shear-pin guard (2) is covered with a shear-pin flange (3) fixedly connected with the granulator main shaft (10), and several shear pins (4) are arranged between the shear-pin flange (3) and the shear-pin guard (2). The shear-pin guard (2) is provided with a travel switch (5) for monitoring rotation of the shear-pin flange (3), the travel switch (5) is connected with a power control device of the granulator, the granulator stops working when the shear-pin flange (3) shifts, and a shield (6) covered on the tail end of the main shaft (10) is hinged to the shear-pin guard (2). The tail end of the granulator main shaft (10) is closed, and therefore when the shear pins (4) are shorn off, the granulator can stop working. Due to dual protection of a mechanical structure and electronic control, the granulator can meet new safety standards issued in North America and Europe.
Description
technical field [0001] The invention relates to a pellet machine, in particular to a shear pin safety mechanism of a pellet machine, and belongs to the technical field of food and feed processing equipment. Background technique [0002] Pellet mills usually have a shear pin to protect some components such as ring dies, press rolls, spindles, gear drives or belt drives from being damaged by overloading during the pelletizing process. The overload is caused by the entry of impurities into the nip between the die and the roll, and it can also be caused by the difficulty of pelletizing the feed material. Depending on the size of the pellet mill, one, two or three shear pins are usually available, where the neck size of the shear pins can be reinforced to withstand 150% to 200% overload. The prior art pellet mill shear pin mechanism includes: [0003] 1. A fixed shear pin housing mounted on the pellet machine frame or gearbox. [0004] 2. The shear pin flange fixed at the end ...
Claims
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IPC IPC(8): B01J2/22
CPCB01J2/22
Inventor 凯尔西C.托姆JR.
Owner 扬州华美知识产权事务有限公司