A filter nozzle for injection molding machine with cleaning device
A cleaning device and injection molding machine technology, applied in the field of injection molding machine accessories, can solve the problems of reduced strength, reduced life, increased cost, etc., to achieve the effect of convenient cleaning of nozzle holes and guaranteed strength
Active Publication Date: 2017-09-12
RONGCHANG PRECISION MACHINERY SUZHOU CO LTD
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Problems solved by technology
Under a certain back pressure, it is necessary to produce uniform injection molding products, especially for the injection molding of plastic materials with good fluidity. In order to ensure the injection molding effect, the nozzles that need to be used can filter the injection molding plastic materials, while the existing nozzles The nozzle head in the body is directly formed on the nozzle body, and the nozzle hole of the nozzle head is not easy to clean, so that the nozzle often needs to be replaced, which is very troublesome and increases the cost
[0003] Therefore, many existing methods are to separate the nozzle head from the nozzle body to facilitate cleaning, but its strength is reduced, and the service life is correspondingly reduced
Method used
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Embodiment Construction
[0018] Examples, see e.g. Figure 1 to Figure 2 As shown, a filter type nozzle for an injection molding machine with a cleaning device includes a nozzle body 10 with a stepped central through hole 20 inside the nozzle body 10. The rear outer wall of the nozzle body 10 has a limit extending radially outward. Position part 11, the middle part of the front end of the nozzle body 10 has a nozzle head 12 extending axially forward, the middle part of the nozzle head 12 has an axial nozzle hole 31, and the nozzle hole 31 communicates with the stepped central through hole 20;
[0019] The front portion of the stepped center through hole 20 is a small diameter section 21, and the side wall of the small diameter section 21 is formed with a screw through hole 23, and the bottom support end cover 24 is screwed in the screw through hole 23, and the middle part is connected The screw sleeve 25 and the top connecting sleeve 26, the bottom support end cap 24 is close to the small diameter sec...
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The invention discloses a filtering nozzle for an injection molding machine with a cleaning device. The filtering nozzle comprises a nozzle body; a stepped central through hole is formed in the nozzle body; a limiting portion extending outwards and radially is formed on an outer wall of the back of the nozzle body; a nozzle head extending forwards and axially is formed in the middle of a front end of the nozzle body; an axial nozzle hole is formed in the middle of the nozzle head and communicates with the stepped central through hole; the front portion of the stepped central through hole is a small-diameter section; a screw-joint through hole is formed in a sidewall of the small-diameter section, and a bottom supporting end cover, a middle connecting threaded sleeve and a top connecting sleeve are arranged in the screw-joint through hole in a screw-joint manner; the bottom supporting end cover is close to the small-diameter section; a top end of the top connecting sleeve extends out of an outer sidewall of the nozzle body; and the middle connecting threaded sleeve is clamped between the bottom supporting end cover and the top connecting sleeve; the nozzle body and the nozzle head of the filtering nozzle are molded together to ensure strength; and the nozzle hole is convenient to clean.
Description
Technical field: [0001] The invention relates to the technical field of injection molding machine accessories, in particular to a filter nozzle for injection molding machines with a cleaning device. Background technique: [0002] The material melting of the injection molding machine is realized through the melt barrel assembly. Under a certain back pressure, it is necessary to produce uniform injection molding products, especially for the injection molding of plastic materials with good fluidity. In order to ensure the injection molding effect, the nozzles that need to be used can filter the injection molding plastic materials, while the existing nozzles The nozzle head in the body is directly formed on the nozzle body, and the nozzle hole of the nozzle head is not easy to clean, so that the nozzle often needs to be replaced, which is very troublesome and increases the cost. [0003] Therefore, in many existing ways, the nozzle head and the nozzle body are separated to faci...
Claims
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IPC IPC(8): B29C45/20B29C45/17
CPCB29C45/1753B29C45/20
Inventor 林克敏
Owner RONGCHANG PRECISION MACHINERY SUZHOU CO LTD