A hopper for a plastic extruder
A technology of a plastic extruder and a hopper, applied in the field of feeding devices, can solve the problems of discontinuous feeding, production process interruption, feeding interruption, etc., and achieve the effect of avoiding staying in the hopper.
Active Publication Date: 2019-11-08
徐州庆和新材料有限公司
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- Application Information
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Problems solved by technology
The plastic extruder under the existing technical conditions often has raw materials stuck in the hopper, resulting in interruption of feeding or discontinuous feeding, resulting in interruption of the production process
Method used
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[0010] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0011] A hopper for plastic extruders such as figure 1 As shown, the present invention includes a feed pipe 3, a cone bucket 4, and a cylinder 5, and the feed pipe 3, the cone bucket 4, and the cylinder 5 are fixedly connected. The inner wall of the cylinder 5 and the cone bucket 4 is provided with a spiral plate 6, the helix angle of the spiral plate 6 is 15°, and the width of the spiral plate 6 is 1 / 6 of the cross-sectional width of the cone bucket 4 and the cylinder 5 inner wall. one.
[0012] A stirring device is arranged in the hopper, and the stirring device includes a motor 10, a stirring ...
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The invention relates to a hopper used for a plastic extruder, which comprises a feed pipe, a cone funnel and a cylinder that are fixedly connected mutually, wherein spiral plates are arranged on inner walls of the cylinder and the cone funnel; a mixing device is arranged in the hopper and comprises a motor, a mixing shaft and mixing propellers; the motor is fixed above a feed port through a fixing ring; a rotation direction of the mixing shaft is identical with spiral directions of the spiral plates; the mixing propellers mix a raw material in the hopper continuously to prevent the raw material from being retained in the hopper; a saddle plate is arranged on the feed pipe; fixing bolts are arranged on the saddle plate; and the saddle plate and the fixing bolts are used for connecting the hopper with an extruder barrel of the plastic extruder. According to the hopper, the mixing device is arranged in the hopper, and the spiral plates are arranged on the inner wall of the hopper, so that the raw material is prevented from being retained in the hopper under mixing action of the mixing device, and the spiral plates guide the raw material to flow, and further avoids retaining the raw material in the hopper.
Description
technical field [0001] The invention relates to the field of feeding devices, in particular to a hopper for a plastic extruder. Background technique [0002] In plastic extrusion molding equipment, the plastic extruder is usually called the main engine, and the subsequent equipment plastic extrusion molding machine is called the auxiliary machine. Plastic extruder derives twin-screw, multiscrew, even does not have different types of machines such as screw rod by original single screw rod through 100 years of development. The plastic extruder can be matched with various plastic molding auxiliary machines such as pipe, film, handle material, monofilament, flat wire, packing belt, extruded net, plate, profiled material, granulation, cable coating, etc., to form various plastic extruders. A molding production line is produced to produce various plastic products. The plastic extruder is mainly composed of extrusion system, transmission system and heating and cooling system. Th...
Claims
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IPC IPC(8): B29C48/285B29C31/02B29B7/16
CPCB29B7/16B29C31/02B29C48/288
Inventor 王娟
Owner 徐州庆和新材料有限公司