CN210679613U

CN210679613U - Novel plastic extrusion molding machine head

Info

Publication number: CN210679613U
Application number: CN201921564264.4U
Authority: CN
Inventors: 徐铖
Original assignee: Jiangsu Kuangke Machinery Co Ltd
Current assignee: Jiangsu Kuangke Machinery Co Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-05
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a novel plastics extrusion moulding aircraft nose, including feed cylinder, screw rod and flange, the inside screw rod that is provided with of feed cylinder, the feed cylinder passes through flange fixedly connected with aircraft nose, the aircraft nose other end is provided with the bush, bush and aircraft nose week side all have welded the connecting piece, be provided with connection pad one and connection pad two between aircraft nose and the bush, circular slot one has been seted up to a side that connection pad one is relative with the aircraft nose, circular slot one has also been seted up to a side that connection pad two is relative with the bush, pass through connecting piece and connection pad with the aircraft nose and connect fixedly, conveniently dismantle the bush, regularly clear up inside bush and the aircraft nose, filter the material through the bush through setting up the filter screen between two connection pads, the connection pad is between bush and aircraft nose, it is fixed through bolted connection, conveniently change the filter screen that.

Description

Novel plastic extrusion molding machine head

Technical Field

The utility model relates to a aircraft nose specifically is a novel plastics extrusion moulding aircraft nose.

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. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

Most aircraft nose formula structure as an organic whole usually at present, but also have aircraft nose and bush also have separately the condition, and common aircraft nose inside all is provided with the filter screen and filters the material, prevents the unqualified plastic products of output quality, but, the filter screen live time is long easy to be blockked up, and the filter screen setting is inside the aircraft nose, inconvenient the change. Accordingly, a new plastic extrusion molding head is provided by those skilled in the art to solve the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a novel plastics extrusion moulding aircraft nose to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel plastics extrusion moulding aircraft nose, including feed cylinder, screw rod and flange, the inside screw rod that is provided with of feed cylinder, the feed cylinder passes through flange fixedly connected with aircraft nose, the aircraft nose other end is provided with the bush, the connecting piece has all been welded to bush and aircraft nose week side, be provided with connection pad one and connection pad two between aircraft nose and the bush, circular slot one has been seted up to a side that connection pad one is relative with the aircraft nose, circular slot one has also been seted up to a side that connection pad two are relative with the bush, circular slot two have all been seted up to connection pad one and the relative both sides face of connection pad two, circular slot two diameters are greater than or equal to the diameter of circular slot one, the port diameter of aircraft nose and bush equals and just in the embedding circular slot one, the inside filter screen of having placed of.

The connecting plate I and the connecting plate II are respectively provided with a plurality of through holes, the through holes are positioned on the periphery of the circular groove II, the edge of one side surface of the connecting plate I opposite to the connecting plate II is uniformly provided with a plurality of clamping grooves, the clamping grooves are positioned between two adjacent through holes, the position of one side surface of the connecting plate II opposite to the connecting plate I is provided with a plurality of clamping blocks, the size of the connecting plate I is equal to that of the connecting plate II, the connecting plate I and the connecting plate II are clamped and fixed through the clamping grooves and the clamping blocks, the clamping blocks are positioned between two adjacent through holes, the through holes are also arranged on two connecting pieces corresponding to the through holes, the connecting pieces are in a circular ring shape, the periphery of the circular ring is welded with a plurality of metal blocks, the through holes are arranged on the metal blocks, bolts penetrate through, the material entering the die through the machine head is filtered through the filter screen between the first connecting disc and the second connecting disc, when the filter screen needs to be replaced, the bolt and the nut are unscrewed from the connecting piece, the filter screen which is blocked or damaged between the two connecting discs is cleaned and replaced, then the connecting discs are wound on the port of the machine head through the first circular groove, the first connecting disc and the second connecting disc are clamped and fixed through the clamping block and the clamping groove, the bolt penetrates through the through holes of the two connecting pieces and the two connecting discs, and then the nut is screwed down to connect and fix the machine head and the die.

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

1. the material passing through the neck mold is filtered by arranging the filter screen between the two connecting discs, the connecting discs are fixedly connected between the neck mold and the machine head through bolts, and meanwhile, the damaged or blocked filter screen is conveniently replaced and cleaned.

2. The neck ring mold and the machine head are fixedly connected through the connecting piece and the connecting disc, so that the neck ring mold is conveniently detached, and the interior of the neck ring mold and the machine head is cleaned regularly.

Drawings

Fig. 1 is a schematic structural diagram of a novel plastic extrusion molding machine head.

Fig. 2 is a schematic side view of a novel plastic extrusion molding head.

Fig. 3 is a schematic diagram of the internal explosion structure of two connecting discs in a novel plastic extrusion molding machine head.

In the figure: 1. a machine head; 2. a neck ring mold; 3. a charging barrel; 4. a screw; 5. a flange; 6. a connecting member; 7. a bolt; 8. filtering with a screen; 9. a first connecting disc; 10. a second connecting disc; 11. a nut; 12. a through hole; 13. a first circular groove; 14, a second circular groove and 15; a card slot 16; and (7) clamping blocks.

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. 1-3, in the embodiment of the present invention, a novel plastic extrusion molding machine head comprises a material cylinder 3, a screw rod 4 and a flange 5, wherein the screw rod 4 is arranged inside the material cylinder 3, the material cylinder 3 is fixedly connected with a machine head 1 through the flange 5, the other end of the machine head 1 is provided with a die 2, the die 2 and the machine head 1 are welded with a connecting piece 6 on the periphery, a first connecting disc 9 and a second connecting disc 10 are arranged between the machine head 1 and the die 2, a first circular groove 13 is arranged on one side surface of the first connecting disc 9 opposite to the machine head 1, a first circular groove 13 is also arranged on one side surface of the second connecting disc 10 opposite to the die 2, a second circular groove 14 is arranged on both side surfaces of the first connecting disc 9 opposite to the second connecting disc 10, the diameter of the second circular groove 14 is larger than or equal to the diameter of the first circular groove 13, the diameters, the filter screen 8 is circular, and the size and thickness of the filter screen 8 are equal to those of the two circular grooves II 14;

a plurality of through holes 12 are formed in the first connecting disk 9 and the second connecting disk 10, the through holes 12 are located on the periphery of the second circular groove 14, a plurality of clamping grooves 15 are evenly formed in the edge of one side face, opposite to the second connecting disk 10, of the first connecting disk 9, the clamping grooves 15 are located between the two adjacent through holes 12, a plurality of clamping blocks 16 are arranged at positions, corresponding to the clamping grooves 15, of the edge of one side face, opposite to the first connecting disk 10, of the second connecting disk 10, the first connecting disk 9 is equal to the second connecting disk 10 in size, the first connecting disk 9 and the second connecting disk 10 are fixed in a clamping mode through the clamping grooves 15 and the clamping blocks 16, the clamping blocks 16 are located between the two adjacent through holes 12, the through holes 12 are also formed in positions, corresponding to the through holes 12, of the connecting piece 6 are in a circular ring shape, a plurality of metal blocks are welded, The other end of the bolt 7 is in threaded connection with a nut 11, the screw rod 4 is arranged inside a material machine head 1 in the charging barrel 3, materials entering the neck mold 2 through the machine head 1 are filtered through a filter screen 8 between a first connecting disc 9 and a second connecting disc 10, when the filter screen 8 needs to be replaced, the bolt 7 and the nut 11 are unscrewed from the connecting piece 6, the filter screen 8 blocked or damaged between the two connecting discs is cleaned and replaced, then the connecting discs are surrounded at the port of the machine head 1 through a first circular groove 13, the first connecting disc 9 and the second connecting disc 10 are clamped and fixed through a clamping block 16 and a clamping groove 15, the bolt 7 penetrates through holes 12 of the two connecting pieces 6 and the two connecting discs and is screwed down through the nut 11, and the machine head 1 and the neck mold.

The utility model discloses a theory of operation is:

when the extruder works, the screw rod 4 filters the material entering the die 2 through the head 1 inside the material head 1 in the material barrel 3 through the filter screen 8 between the first connecting disc 9 and the second connecting disc 10, when the filter screen 8 needs to be replaced, the bolt 7 and the nut 11 are unscrewed from the connecting piece 6, the filter screen 8 blocked or damaged between the two connecting discs is cleaned and replaced, then the connecting discs are surrounded at the port of the head 1 through the first circular groove 13, the first connecting disc 9 and the second connecting disc 10 are clamped and fixed through the fixture block 16 and the clamping groove 15, the bolt 7 penetrates through the through holes 12 of the two connecting pieces 6 and the two connecting discs and is screwed down by the nut 11, and the head 1 and the die 2 are connected and fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel plastic extrusion molding machine head comprises a material cylinder (3), a screw rod (4) and a flange (5), and is characterized in that the screw rod (4) is arranged inside the material cylinder (3), the material cylinder (3) is fixedly connected with the machine head (1) through the flange (5), the other end of the machine head (1) is provided with a die (2), connecting pieces (6) are welded on the circumferential sides of the die (2) and the machine head (1), a connecting disc I (9) and a connecting disc II (10) are arranged between the machine head (1) and the die (2), a circular groove I (13) is arranged on one side face of the connecting disc I (9) opposite to the machine head (1), a circular groove I (13) is also arranged on one side face of the connecting disc II (10) opposite to the die (2), circular grooves II (14) are arranged on two side faces of the connecting disc I (9) opposite to the connecting disc II (10), all seted up a plurality of through-holes (12) on connection pad (9) and connection pad two (10), through-hole (12) are located the week side of circular slot two (14), a plurality of draw-in grooves (15) have evenly been seted up at a side edge that connection pad (9) are relative with connection pad two (10), draw-in groove (15) are located between two adjacent through-holes (12), connection pad two (10) are provided with a plurality of fixture blocks (16) with the position that a side edge that connection pad (9) are relative corresponds draw-in groove (15), fixture block (16) are located between two adjacent through-holes (12), two through-hole (12) have also been seted up to the position that corresponds through-hole (12) on connecting piece (6).

2. The novel plastic extrusion molding machine head as claimed in claim 1, wherein the two connecting pieces (6) are in a ring shape, a plurality of metal blocks are welded on the outer periphery of the ring, and the through holes (12) are formed in the metal blocks.

3. The novel plastic extrusion molding machine head as claimed in claim 1, wherein bolts (7) penetrate through the first connecting disk (9), the second connecting disk (10) and the plurality of through holes (12) on the two connecting pieces (6), and nuts (11) are connected to the other ends of the bolts (7) in a threaded manner.

4. A new plastic extrusion molding head as claimed in claim 1, wherein said screen (8) is circular and the size thickness of the screen (8) is equal to the size thickness of the two circular grooves two (14).

5. A new plastic extrusion molding head as claimed in claim 1, wherein the diameter of the second circular groove (14) is greater than or equal to the diameter of the first circular groove (13), and the diameters of the ports of the head (1) and the die (2) are equal and just embedded in the first circular groove (13).

6. The novel plastic extrusion molding machine head as claimed in claim 1, wherein the shape and size of the first connecting disc (9) and the second connecting disc (10) are equal, and the first connecting disc (9) and the second connecting disc (10) are fixed by clamping the clamping groove (15) and the clamping block (16).