CN211807638U

CN211807638U - Injection molding melt screw section

Info

Publication number: CN211807638U
Application number: CN201922009483.2U
Authority: CN
Inventors: 张林勇; 何雪红
Original assignee: Jiangsu Beinuo New Material Co Ltd
Current assignee: Jiangsu Beinuo New Material Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-10-30
Anticipated expiration: 2029-11-20

Abstract

The utility model belongs to the technical field of the injection molding machine technique of moulding plastics, especially, an injection molding melt screw rod section, including the screw rod section, the fixed helicla flute that is provided with of screw rod section surface, the mouth of moulding plastics of screw rod section one end fixedly connected with, the fixed shoe of screw rod section other end fixedly connected with circulation, the fixed shoe one side fixedly connected with runner pipe of circulation, the go-between of moulding plastics of runner pipe one side fixedly connected with, the fixed mouth of one end fixedly connected with of screw rod section, the fixed hole of moulding plastics that is provided with in inside of the go-between of moulding plastics, the fixed center of the go-between of moulding plastics is provided with. The utility model discloses a set up novel melt screw section of moulding plastics, through the mode that inside and outside bilayer was moulded plastics, shunt the raw materials, avoided the raw materials to block up the hole of moulding plastics, lead to the unable work of injection molding machine, shunt simultaneously and improved the work efficiency of moulding plastics of injection molding machine, avoided because moulding plastics and lead to the raw materials to reveal at the excessive speed, reduced the cost of production.

Description

Injection molding melt screw section

Technical Field

The utility model relates to an injection molding machine technical field that moulds plastics specifically is an injection molding melt screw rod section.

Background

The injection molding machine is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The role of the injection system: the injection system is one of the most important components of an injection molding machine, and generally has 3 main forms of plunger type, screw type and screw pre-molding plunger injection type. The most widely used at present is the screw type. The function of the injection molding machine is that after a certain amount of plastic is heated and plasticized in a specified time in one cycle of the injection molding machine, the molten plastic is injected into a mold cavity through a screw at a certain pressure and speed. After injection, the melt injected into the mold cavity remains set. Composition of the injection system: the injection system consists of a plasticizing device and a power transmission device. The screw injection molding machine plasticizing device mainly comprises a feeding device, a charging barrel, a screw, a glue passing assembly and a nozzle part. The power transmission device comprises an injection oil cylinder, an injection seat moving oil cylinder and a screw rod driving device (a glue melting motor). The injection moulding machine is similar to the injection syringe for injection, and is a technological process in which the plasticized plastic in a molten state (i.e. viscous state) is injected into a closed mould cavity by means of the thrust of a screw (or a plunger), and the product is obtained after solidification and shaping. Injection molding is a cyclic process, also known as an injection molding machine or an injection molding machine, with each cycle of the injection molding machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The method mainly comprises the following steps: quantitative feeding, melting and plasticizing, pressure injection, mold filling and cooling, mold opening and part taking. And taking out the plastic part, closing the mold again, and performing the next cycle. And (3) operating an injection molding machine: the operation items of the injection molding machine comprise three aspects of control keyboard operation, electric appliance control system operation and hydraulic system operation. The selection of injection process action, feeding action, injection pressure, injection speed and ejection type, the monitoring of the temperature of each section of the charging barrel, the regulation of injection pressure and back pressure and the like are respectively carried out.

There are the following problems:

the existing injection molding machine carries out injection molding processing operation through the melt screw section of front end, and the screw section that has now moulds plastics through the helicla flute that the screw section surface is passed through to the raw materials, however this kind of mode of moulding plastics blocks up the hole of moulding plastics easily, leads to the injection molding machine to be unable to use, leads to the raw materials to reveal when moulding plastics simultaneously easily, causes the waste of raw materials, has improved manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection molding melt screw rod section has solved and has moulded plastics through the helicla flute on screw rod section surface through the raw materials, and this kind of mode of moulding plastics blocks up the hole of moulding plastics easily, leads to the injection molding machine to be unable to use, leads to the raw materials to reveal easily when moulding plastics simultaneously, causes the waste of raw materials, has improved manufacturing cost's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection molding piece melt screw section, includes the screw section, screw section external fixed surface is provided with the helicla flute, screw section one end fixedly connected with mouth of moulding plastics, the fixed shoe of screw section other end fixedly connected with circulation, the fixed shoe one side fixedly connected with runner pipe of circulation, runner pipe one side fixedly connected with go-between of moulding plastics, the fixed mouth of one end fixedly connected with connection of screw section, the fixed hole of moulding plastics that is provided with in inside of the go-between of moulding plastics, the connecting hole is annotated in the fixed being provided with in middle part of the go-between of moulding plastics, the external fixed surface of the fixed shoe of circulation is provided with the.

As an optimal technical scheme of the utility model, the screw rod section is through connecting fixed mouth and the inside screwed connection of the fixed hoof piece of circulation, runner pipe, the go-between of moulding plastics are through welding and the fixed hoof piece one end fixed connection of circulation.

As an optimal technical scheme of the utility model, the circulation is fixed hoof piece, runner pipe, the go-between inside communicates with each other through annotating the connecting hole in the notes, annotate the connecting hole and communicate with each other with screw rod section is inside, the hole of moulding plastics communicates with each other the interconnection with the downthehole portion that flows out.

As an optimal technical scheme of the utility model, the helicla flute communicates with each other to the mouth of moulding plastics from screw rod section other end spiral, the screw rod section is the heliciform screw rod.

As an optimal technical scheme of the utility model, the quantity in hole of moulding plastics is a plurality of groups, the hole of moulding plastics is the annular array and distributes at the surface of the go-between of moulding plastics.

As an optimized technical scheme of the utility model, the quantity of outflow hole is a plurality of groups, the outflow hole is the annular array distribution at the surface that circulates fixed hoof piece.

Compared with the prior art, the utility model provides an injection molding melt screw rod section possesses following beneficial effect:

this injection molding melt screw section through setting up novel injection molding melt screw section, through the mode of inside and outside double-deck moulding plastics, shunts the raw materials, has avoided the raw materials to block up the hole of moulding plastics, leads to the unable work of injection molding machine, shunts simultaneously and has improved the work efficiency of moulding plastics of injection molding machine, has avoided because moulding plastics and lead to the raw materials to reveal too fast, has reduced the cost of production.

Drawings

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

FIG. 2 is a schematic view of the screw section of the present invention;

FIG. 3 is a schematic view of the injection molding connecting ring structure of the present invention;

fig. 4 is a schematic side view of the circulation fixing shoe block of the present invention.

In the figure: 1. a screw section; 2. a helical groove; 3. an injection molding nozzle; 4. (ii) a Circulating the fixed shoe block; 5. a flow-through tube; 6. injection molding a connecting ring; 7. connecting the fixed nozzle; 8. injection molding holes; 9. an outflow hole; 10. and (4) injecting a connecting hole.

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. 1-4, in this embodiment: a melt screw section of an injection molding part comprises a screw section 1, wherein a spiral groove 2 is fixedly arranged on the outer surface of the screw section 1, one end of the screw section 1 is fixedly connected with an injection nozzle 3, the other end of the screw section 1 is fixedly connected with a circulation fixing shoe 4, one side of the circulation fixing shoe 4 is fixedly connected with a circulation pipe 5, one side of the circulation pipe 5 is fixedly connected with an injection connecting ring 6, one end of the screw section 1 is fixedly connected with a connection fixing nozzle 7, an injection hole 8 is fixedly arranged in the injection connecting ring 6, an injection connecting hole 10 is fixedly arranged in the middle of the injection connecting ring 6, and an outflow hole 9 is fixedly arranged on the outer surface of the; make screw rod section 1 and the defeated material jogged joint of injection molding machine through go-between 6 that mould plastics, when the raw materials heating is accomplished, carry out the moulding plastics of raw materials through injection moulding hole 8 and the interior notes connecting hole 10 on the go-between 6 surfaces of moulding plastics, the outflow hole 9 of the fixed hoof piece 4 surface of circulation is flowed through the well head in the former material in

injection moulding hole

8, 2 the helicla flute through 1 surperficial screw rod section flows, flow to injection moulding mouth 3 through helicla flute 2, finally advance the operation of moulding plastics through injection moulding mouth 3, simultaneously through annotating connecting hole 10 and screw rod section 1 inside and communicating with each other, the velocity of flow of moulding plastics.

In the embodiment, a screw section 1 is spirally connected with the inside of a circulating fixed shoe 4 through a connecting fixed nozzle 7, a circulating pipe 5 and an injection connecting ring 6 are fixedly connected with one end of the circulating fixed shoe 4 through welding, the insides of the circulating fixed shoe 4, the circulating pipe 5 and the injection connecting ring 6 are communicated through an injection connecting hole 10, the injection connecting hole 10 is communicated with the inside of the screw section 1, injection holes 8 are communicated and interconnected with the inside of an outflow hole 9, a spiral groove 2 is spirally communicated to an injection nozzle 3 from the other end of the screw section 1, the screw section 1 is a spiral screw, the number of the injection holes 8 is a plurality of groups, the injection holes 8 are distributed in an annular array on the outer surface of the injection connecting ring 6, the number of the outflow holes 9 is a plurality of groups, and the outflow holes 9 are distributed in an annular; make the raw materials can advance the nature spiral through helicla flute 2 and mould plastics at the surface of screw rod section 1, through the intercommunication of moulding plastics hole 8 and outlet 9, make the raw materials can enter into the surface helicla flute 2 of screw rod section 1, make the raw materials flow along helicla flute 2, make screw rod section 1 can effectively with the fixed shoe 4 fixed connection of circulation through connecting fixed mouth 7, make screw rod section 1 can be connected with the injection molding machine through moulding plastics go-between 6.

The utility model discloses a theory of operation and use flow: the screw section 1 is connected with a material conveying hole of an injection molding machine through the injection connecting ring 6, when the raw material is heated, the injection molding of the raw material is carried out through the injection molding hole 8 on the surface of the injection connecting ring 6 and the injection connecting hole 10, the raw material in the injection molding hole 8 flows out through the outflow hole 9 on the outer surface of the circulating fixed shoe 4, flows to the injection nozzle 3 through the spiral groove 2 on the surface of the screw section 1, finally flows to the injection nozzle 3 through the spiral groove 2, and finally enters the injection molding operation through the injection nozzle 3, and simultaneously is communicated with the inside of the screw section 1 through the injection connecting hole 10, so that the flow rate of the injection molding is improved, the raw material cannot be leaked, the novel injection molding melt screw section is arranged, the raw material is shunted through the mode of inner-layer injection molding and outer-layer injection molding, the phenomenon that the injection molding hole is blocked, the production cost is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A kind of injection molding melt screw section, including screw section (1), its characterized in that: the utility model discloses a screw rod section (1) outer fixed surface is provided with helicla flute (2), screw rod section (1) one end fixedly connected with mouth (3) of moulding plastics, the fixed hoof piece (4) of screw rod section (1) other end fixedly connected with circulation, circulation fixed hoof piece (4) one side fixedly connected with runner pipe (5), runner pipe (5) one side fixedly connected with go-between (6) of moulding plastics, the fixed mouth (7) of one end fixedly connected with connection of screw rod section (1), the inside of go-between (6) of moulding plastics is fixed and is provided with injection molding hole (8), the fixed middle part of go-between (6) of moulding plastics is provided with annotates connecting hole (10), the outer fixed surface of the fixed hoof piece (4) of circulation is provided.

2. The injection molded melt screw segment of claim 1, wherein: the screw rod section (1) is spirally connected with the inside of the circulating fixed shoe block (4) through a connecting fixed nozzle (7), and the circulating pipe (5) and the injection molding connecting ring (6) are fixedly connected with one end of the circulating fixed shoe block (4) through welding.

3. The injection molded melt screw segment of claim 1, wherein: the inside of the circulation fixing shoe block (4), the circulation pipe (5) and the injection connecting ring (6) are communicated through an injection connecting hole (10), the injection connecting hole (10) is communicated with the inside of the screw section (1), and the injection hole (8) is communicated and interconnected with the inside of the outflow hole (9).

4. The injection molded melt screw segment of claim 1, wherein: the spiral groove (2) is communicated with the injection molding nozzle (3) from the other end of the screw section (1) in a spiral mode, and the screw section (1) is a spiral screw.

5. The injection molded melt screw segment of claim 1, wherein: the number of the injection molding holes (8) is a plurality of groups, and the injection molding holes (8) are distributed on the outer surface of the injection molding connecting ring (6) in an annular array.

6. The injection molded melt screw segment of claim 1, wherein: the number of the outflow holes (9) is a plurality of groups, and the outflow holes (9) are distributed in an annular array on the outer surface of the circulating fixed shoe block (4).