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an extrusion device

A technology of extrusion equipment and extrusion cavity, which is applied in the field of pet, food, and feed machinery, can solve the problems that the extrusion force cannot be continuously adjusted, and achieve the effects of reducing labor intensity and maintenance costs, continuous adjustment, and stable and continuous operation

Active Publication Date: 2022-02-25
FAMSUN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an extrusion device to solve the technical problem that the extrusion force cannot be continuously adjusted in the prior art

Method used

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Embodiment Construction

[0024] Such as Figure 1-6 As shown, the extrusion equipment of the present invention includes an extruder body 1 and an extrusion adjustment mechanism, and the extrusion adjustment mechanism includes a Venturi effector 3, a pressure adjustment device 4, a discharge template 5 and other components.

[0025] The Venturi effector 3 is connected to the outlet of the extrusion chamber through bolts, the pressure regulating device 4 is connected to the Venturi effector 3 through the adjustment system mounting seat 4-1, and is fastened with bolts, and the discharge template 5 is located at the end of the material flow, and is connected with the adjustment system mounting seat 4-1. System mounts 4-1 coupling.

[0026] The material reaches the Venturi effector 3 through the screw extrusion of the puffing body 1, enters the end expansion cavity through the extrusion channel, and reaches the discharge template 5 after passing through the pressure regulating device 4. The die hole on the...

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Abstract

The invention belongs to the technical field of food, pet and feed machinery. An extrusion device, the outlet of the extrusion chamber of the extrusion device is sequentially connected with a Venturi effector and a pressure adjustment device, the middle part of the Venturi effector is a necking structure; the pressure adjustment device includes a matching piston and a piston sleeve, and the pistons are coaxial Installed on the feed end of the piston sleeve, the piston, the piston sleeve, the Venturi effector, and the extrusion chamber of the extrusion equipment are coaxially arranged, the piston faces the Venturi effector, and the necking structure of the piston and the Venturi effector forms an extrusion channel. Under the action of the piston driving device, the piston moves away from or close to the necking structure of the Venturi effector relative to the piston sleeve to change the size of the extrusion channel; the piston sleeve is provided with a cleaning seal for cleaning the piston. material on the sliding surface and prevent the material from entering the interior of the piston sleeve. The invention solves the technical problem that the extrusion force cannot be continuously adjusted in the prior art.

Description

technical field [0001] The invention belongs to the technical field of food, pet and feed machinery, and in particular relates to an extrusion and puffing equipment whose extrusion force can be continuously adjusted online. Background technique [0002] In the fields of food and feed, extrusion equipment such as extruders need to be set with corresponding extrusion forces according to different process requirements, so as to obtain the required puffing effect. Existing puffing equipment adopts the method of changing the hole diameter of the extrusion channel on the Venturi effector at the discharge end to obtain different puffing effects; this method needs to be shut down to replace different types of Venturi effectors, or to add bushings of different diameters. It is cumbersome and affects production. After replacement, the pressure is constant, and real-time precise adjustment cannot be realized. It is difficult for the equipment to realize fully automatic production. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23P30/34A23P30/10A23N17/00
CPCA23P30/34A23P30/10A23N17/005
Inventor 闾宏范文海杜兴
Owner FAMSUN CO LTD
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