CN211709982U

CN211709982U - Liquid injection nozzle structure of extruder

Info

Publication number: CN211709982U
Application number: CN201922276610.5U
Authority: CN
Inventors: 范宗元
Original assignee: Nanjing Meiya Rubber & Plastic Machinery Manufacturing Co ltd
Current assignee: Nanjing Meiya Rubber & Plastic Machinery Manufacturing Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-20
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a nozzle structure is annotated to extruder liquid, including nozzle main part, nozzle main part includes the shower nozzle of front end, and integrative the being equipped with stiff end that takes shape in shower nozzle rear end, the inside spacing draw-in groove of having seted up of shower nozzle and stiff end, the inside seal groove of having seted up of spacing draw-in groove, the inside ejection of compact chamber of having seted up of seal groove, ejection of compact intracavity portion intercommunication spout, spout intercommunication to the shower nozzle outside, stiff end rear end protrusion are equipped with the connector, the inside grafting of shower nozzle and stiff end rear end has threaded spray tube, the utility model discloses the beneficial effect: the detachable structure is adopted, the sealing washer can be replaced for continuous use after the sealing washer in the detachable structure is damaged, the sealing washer cannot be used after being damaged like the existing integrally formed nozzle, the service life is prolonged, the investment cost is reduced, the detachable structure can be cleaned after the nozzle is blocked, the cleaning convenience is improved, and the using effect of the nozzle is improved.

Description

Liquid injection nozzle structure of extruder

Technical Field

The utility model particularly relates to a nozzle structure is annotated to extruder liquid.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold.

The output of extruder uses the nozzle to carry out the raw materials and extrudes, and current nozzle structure as an organic whole shaping, the maintenance can not be changed to the inside structure after shaping, and whole nozzle has just been scrapped after the seal ring in inside damages, has reduced life, and the phenomenon of jam can appear in the nozzle moreover, and the inconvenient clearance of the structure of integrative shaping after blockking up influences the result of use, for this reason, the utility model provides an extruder liquid is annotated nozzle structure is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a nozzle structure is annotated to extruder liquid to reach and increase nozzle leakproofness, improve and dismantle the installation convenience, conveniently carry out the effect that the inside clearance of nozzle main part and maintenance were changed.

A liquid injection nozzle structure of an extruder comprises a nozzle main body, wherein the nozzle main body comprises a nozzle head at the front end, the rear end of the nozzle head is integrally formed and provided with a fixed end, a limiting clamping groove is formed inside the nozzle head and the fixed end, a sealing groove is formed inside the limiting clamping groove, a discharging cavity is formed inside the sealing groove, the inside of the discharging cavity is communicated with a nozzle, the nozzle is communicated to the outer side of the nozzle, the rear end of the fixed end is convexly provided with a connector, a threaded spray pipe is inserted inside the rear end of the nozzle head and the fixed end, the outer side of the front end of the threaded spray pipe is integrally formed and provided with a limiting block, the threaded spray pipe at the front end of the limiting block is integrally formed and provided with a sealing block, the front end of the sealing block is convexly provided with an insertion pipe, the insertion pipe is inserted in the discharging cavity, the threaded spray pipe outside cover is equipped with fixation nut, fixation nut threaded connection is in the convex connector outside of stiff end rear end, the inside downward protrusion of fixation nut is equipped with the locating piece, locating piece butt stopper up end.

Preferably, a sealing ring is arranged between the bottom of the limiting clamping groove and the limiting block in a cushioning mode, a sealing ring is arranged at the tail end point of the connector, and a sealing ring is arranged at the tail end of the positioning block in a cushioning mode.

Preferably, the outer side of the threaded spray pipe is provided with connecting threads, through holes formed in the inner side of the positioning block are provided with threads corresponding to the connecting threads, and the fixing nut is sleeved on the outer side of the front end of the threaded spray pipe through threaded connection.

Preferably, the fixing end is in a hexagonal nut shape corresponding to the fixing nut.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a but split structure can change seal ring through but split structure behind the seal ring damage of inside and continue to use, and not like current integrative nozzle that takes shape, just can not use after the seal ring damages, has improved life, has reduced the input cost, but the structure of split moreover can the split after the nozzle blocks up clearance, increases the clearance convenience, has improved the result of use of nozzle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

In the figure: the spray head comprises a spray head 1, a fixed end 2, a fixed nut 3, a threaded spray pipe 4, a spray nozzle 5, a discharge cavity 6, a sealing groove 7, a limiting clamping groove 8, a connector 9, a limiting block 10, a sealing block 11, a sealing ring 12, an insertion pipe 13, a positioning block 14 and a connecting thread 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a liquid injection nozzle structure of an extruder comprises a nozzle main body, the nozzle main body comprises a nozzle 1 at the front end, a fixed end 2 is integrally formed at the rear end of the nozzle 1, a limiting clamping groove 8 is formed inside the nozzle 1 and the fixed end 2, a sealing groove 7 is formed inside the limiting clamping groove 8, a discharging cavity 6 is formed inside the sealing groove 7, a nozzle 5 is communicated inside the discharging cavity 6, the nozzle 5 is communicated to the outer side of the nozzle 1, a connector 9 is convexly arranged at the rear end of the fixed end 2, a threaded spray pipe 4 is inserted inside the rear ends of the nozzle 1 and the fixed end 2, a limiting block 10 is integrally formed outside the front end of the threaded spray pipe 4, a sealing block 11 is integrally formed on the threaded spray pipe 4 at the front end of the limiting block 10, an insertion pipe 13 is convexly arranged at the front end of the sealing block 11, the insertion pipe 13 is inserted in the discharging cavity 6, stopper 10 is pegged graft in spacing draw-in

groove

8, and 4 outside covers of threaded spray tube are equipped with

fixation nut

3, and 3 threaded connection of fixation nut is in the convex connector 9 outsides of 2 rear ends of stiff end, and the inside downward protrusion of fixation nut 3 is equipped with locating piece 14, and locating piece 14 butt stopper 10 up end.

The gasket is provided with a sealing ring 12 between the bottom of the limiting clamping groove 8 and the limiting block 10, the end point of the connector 9 is provided with a sealing ring 12, the end gasket of the positioning block 14 is provided with a sealing ring 12, the sealing effect can be enhanced through the sealing of multiple sealing rings 12, the problem of raw material leakage cannot occur immediately after a certain sealing ring 12 is damaged, and the working efficiency can be increased by replacing the sealing ring after the normal use is finished.

The threaded spray pipe 4 outside is equipped with connecting thread 15, is equipped with the screw thread that corresponds with connecting thread in the through-hole that locating piece 14 inboard was seted up, and fixation nut 3 establishes the front end outside to threaded spray pipe 4 through the threaded connection cover, and fixation nut 3 passes through the front end outside of threaded connection to threaded spray pipe 4, can prevent that fixation nut 3 from droing and losing to can improve fixation nut 3's stability, restriction fixation nut 3's position increases the result of use.

The shape of stiff end 2 is the hexagon nut form that corresponds with fixation nut 3, conveniently carries out nozzle body's dismantlement and installation, increases the convenience of use, reduces the operation degree of difficulty.

The working principle is as follows: during the use, after establishing sealing washer 12 at 2 inside seal grooves 7 pads of stiff end, peg graft 4 front ends of screw thread spray tube inside 1 stiff end 2 of shower nozzle, make the intubate 13 of 4 front ends of screw thread spray tube peg graft in 2 inside ejection of compact chamber 6 of stiff end, the sealed piece 11 of intubate 13 rear end is pegged graft and is corresponded the cooperation with sealing washer 12 in seal groove 7 and sealed, stopper 10 of sealed piece 11 rear end is pegged graft in spacing draw-in groove 8, then establish 3 covers of fixation nut and establish in the 4 outsides of screw thread spray tube, sick threaded connection is in the connector 9 outsides of 2 rear end protrusions of stiff end setting, 3 inside projections of fixation nut are equipped with locating piece 14, through locating piece 14 butt stopper 10, with the fixed position of stopper 10, and then fixed screw thread spray tube 4, can use at 4 rear end outside threaded connection conveying pipeline afterwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an extruder liquid injection nozzle structure, includes nozzle body, its characterized in that: the spray nozzle main body comprises a spray nozzle (1) at the front end, a fixed end (2) is integrally formed at the rear end of the spray nozzle (1), a limiting clamping groove (8) is formed in the spray nozzle (1) and the fixed end (2), a sealing groove (7) is formed in the limiting clamping groove (8), a discharging cavity (6) is formed in the sealing groove (7), a nozzle (5) is communicated with the inside of the discharging cavity (6), the nozzle (5) is communicated with the outer side of the spray nozzle (1), a connector (9) is convexly arranged at the rear end of the fixed end (2), a threaded spray pipe (4) is spliced in the spray nozzle (1) and the rear end of the fixed end (2), a limiting block (10) is integrally formed at the outer side of the front end of the threaded spray pipe (4), a sealing block (11) is integrally formed on the threaded spray pipe (4) at the front end of the limiting block (10), and an insertion pipe (13, intubate (13) are pegged graft in ejection of compact chamber (6), seal groove (7) bottom point is equipped with sealing washer (12), grafting in seal groove (7) is sealed piece (11), stopper (10) are pegged graft in spacing draw-in groove (8), threaded spray pipe (4) outside cover is equipped with fixation nut (3), fixation nut (3) threaded connection is in stiff end (2) rear end convex connector (9) outside, the inside downward protrusion of fixation nut (3) is equipped with locating piece (14), locating piece (14) butt stopper (10) up end.

2. A liquid injection nozzle structure for an extruder as defined in claim 1, wherein: a sealing ring (12) is arranged between the bottom of the limiting clamping groove (8) and the limiting block (10) in a cushioning mode, a sealing ring (12) is arranged at the tail end point of the connector (9), and a sealing ring (12) is arranged at the tail end of the positioning block (14) in a cushioning mode.

3. A liquid injection nozzle structure for an extruder as defined in claim 1, wherein: the outer side of the threaded spray pipe (4) is provided with a connecting thread (15), a through hole formed in the inner side of the positioning block (14) is provided with a thread corresponding to the connecting thread, and the fixing nut (3) is sleeved on the outer side of the front end of the threaded spray pipe (4) through a threaded connection.

4. A liquid injection nozzle structure for an extruder as defined in claim 1, wherein: the shape of the fixed end (2) is a hexagon nut shape corresponding to the fixed nut (3).