CN203305467U - Injection nozzle of injection molding machine - Google Patents
Injection nozzle of injection molding machine Download PDFInfo
- Publication number
- CN203305467U CN203305467U CN201320320958XU CN201320320958U CN203305467U CN 203305467 U CN203305467 U CN 203305467U CN 201320320958X U CN201320320958X U CN 201320320958XU CN 201320320958 U CN201320320958 U CN 201320320958U CN 203305467 U CN203305467 U CN 203305467U
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- CN
- China
- Prior art keywords
- nozzle
- injection
- extension bar
- injection nozzle
- tail cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection nozzle of an injection molding machine. The injection nozzle comprises an injection head (1), wherein the injection head (1) is in threaded connection with a lengthening rod (2), and the lengthening rod (2) is in threaded connection with a tail sleeve (3); a heating ring (4) is arranged outside the lengthening rod (2) and the tail sleeve (3). According to the injection nozzle of the injection molding machine, the existing integrated injection nozzle is changed into three sections, namely the injection head, the lengthening rod and the tail sleeve, and the heating ring outside the injection nozzle is arranged outside the lengthening rod and the tail sleeve; when the injection nozzle needs cleaning, the heating ring is not required to be removed, the injection nozzle can be cleaned in a manner that the injection head is screwed out of the lengthening rod by using a spanner, and the heating ring cannot be damaged; the injection head is shallower and is very convenient to clean, so that the cleaning efficiency can be increased greatly; if new molds are replaced, injection heads or lengthening rods of different lengths are replaced, and new injection nozzles are not required to be subjected to whole remachining, so that time and materials are saved, and production can be carried out as soon as possible.
Description
Technical field
The utility model relates to a kind of injection molding machine nozzle, belongs to the injection moulding machine nozzle structure technical field.
Background technology
Existing plasticizing apparatus is all almost the mode that adopts Screw Extrusion.During injection moulding, plastic raw materials is heated to the desired molten condition of injection, adds injection machine by hopper, the plastics of molten condition are released and are injected mould from nozzle by screw rod in injection machine.
The nozzle used on existing injection machine is integrated nozzle, and nozzle is provided with heating collar outward.Injection machine raw material used has two kinds usually, and a kind of is to use raw material, generally can plug nozzle while using raw material.Another kind is to use returns.In the situation that some product requirements are high, generally can be according to a certain percentage in raw material, do not add the use that is mixed of some returns and raw material, add in the raw material of returns and contain impurity, be easy to plug nozzle.If generation spray nozzle clogging, injection machine just can't work, nozzle must be removed and clears up.Due to the problem of existing nozzle arrangements, before unloading nozzle, must first dismantle the heating collar outside nozzle, but when the dismounting heating collar, as easy as rolling off a log damage heating collar.Because existing nozzle endoporus is very dark, difficult during cleaning, impurity are not easy cleaning very much, and clearance time is very long, inefficiency.In addition, for different moulds, the length of nozzle is had to different requirements, can only change nozzle or will again process new nozzle, can incur loss through delay the duration.
Summary of the invention
The purpose of this utility model is, a kind of injection molding machine nozzle is provided.The fast changable nozzle, be convenient to cleaning, enhances productivity, to overcome the deficiencies in the prior art.
The technical solution of the utility model:
A kind of injection molding machine nozzle, comprise shower nozzle, and shower nozzle is threaded with extension bar, and extension bar is connected with the tail external threading; The outer heating collar that is provided with of extension bar and tail cover.
In aforementioned nozzle, described shower nozzle termination is hemispherical head, and the center of hemispherical head is provided with spray orifice, and the shower nozzle tail end is pros or hexagonal prism body, is provided with internal thread in pros or hexagonal prism body, and internal thread is threaded with extension bar.
In aforementioned nozzle, described extension bar is cylinder, and the diameter at cylinder two ends is less than the middle part diameter, and the reduced diameter section at extension bar two ends is provided with external screw thread, the external screw thread of extension bar one end is connected with the internal thread on shower nozzle, and the external screw thread of the extension bar other end is connected with the tail external threading.
In aforementioned nozzle, described tail cover one end is provided with internal thread, and the tail cover other end is provided with external screw thread, and the cylindrical in tail cover stage casing is pros or hexagonal prism body.
In aforementioned nozzle, described shower nozzle, extension bar and tail cover are equipped with centre bore.
Compared with prior art, the utility model, by existing integrated spray nozzle, repacks shower nozzle, extension bar and tail into and overlaps three sections, and the outer heating collar of nozzle is located at outside extension bar and tail cover.When the needs nozzle clearing, need not dismantle heating collar, only shower nozzle need to be cleared up and got final product from the extension bar back-out with spanner, can not damage heating collar.Due to existing integrated spray nozzle has been divided into to three sections, the degree of depth of shower nozzle is more shallow, puts in order very conveniently, can greatly improve cleaning efficiency.If when changing new die and need to adopt the nozzle of different length, the shower nozzle or the extension bar that only need to change different length are just passable, without all again processing new nozzle, the material-saving that can save time, put into production as early as possible.The present invention is aspect maintenance; can clear up fast; fast dismantling changing device (especially having more advantage aspect safeguarding in the injection machine production process), and shower nozzle or extension bar can be processed into to standard component for selecting, with this, shorten the downtime in the injection machine production process and enhance productivity.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is outside drawing of the present utility model;
Fig. 3 is the structural representation of existing injection molding machine nozzle.
Being labeled as in accompanying drawing: 1-shower nozzle, 2-extension bar, 3-tail cover, 4-heating collar, 5-spray orifice, 6-centre bore, 7-pros or hexagonal prism body, the existing nozzle of 8-.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, but not as to any restriction of the present utility model.
A kind of injection molding machine nozzle, as depicted in figs. 1 and 2.Comprise shower nozzle 1, shower nozzle 1 is threaded with extension bar 2, and extension bar 2 is threaded with tail cover 3; Extension bar 2 and the outer heating collar 4 that is provided with of tail cover 3.Described shower nozzle 1 termination is hemispherical head, and the center of hemispherical head is provided with spray orifice 5, and shower nozzle 1 tail end is pros or hexagonal prism body 7, is provided with internal thread in pros or hexagonal prism body 7, and internal thread is threaded with extension bar 2.Described extension bar 2 is cylinder, the diameter at cylinder two ends is less than the middle part diameter, the reduced diameter section at extension bar 2 two ends is provided with external screw thread, and the external screw thread of extension bar 2 one ends is connected with the internal thread on shower nozzle 1, and the external screw thread of extension bar 2 other ends is threaded with tail cover 3.Described tail cover 3 one ends are provided with internal thread, and tail cover 3 other ends are provided with external screw thread, and the cylindrical in tail cover 3 stage casings is pros or hexagonal prism body 7.Described shower nozzle 1, extension bar 2 and tail cover 3 are equipped with centre bore 6.
Fig. 3 is the structural representation of existing nozzle, and as seen from Figure 3, existing nozzle 8 is a single piece, and because existing nozzle 8 length are longer, the degree of depth of centre bore 6 is very dark, and cleaning is got up and bothered very much.If while after the replacing new die, needing to change nozzle length, during the nozzle of working nozzle, and replacing again, also need to dismantle heating collar 4, easily heating collar 4 is damaged.
Main feature of the present utility model is by existing nozzle 8, is divided into shower nozzle, extension bar and tail and overlaps three sections, during cleaning, only needs release sprayhead to clear up, and cleaning is got up very convenient quick.And need not dismantle heating collar, can not damage heating collar.After changing new die, also can change by changing shower nozzle or extension bar the length of nozzle.More more convenient than all changing nozzle.
Claims (5)
1. injection molding machine nozzle, it is characterized in that: comprise shower nozzle (1), shower nozzle (1) is threaded with extension bar (2), and extension bar (2) is threaded with tail cover (3); Extension bar (2) and the outer heating collar (4) that is provided with of tail cover (3).
2. nozzle according to claim 1, it is characterized in that: described shower nozzle (1) termination is hemispherical head, and the center of hemispherical head is provided with spray orifice (5), and shower nozzle (1) tail end is pros or hexagonal prism body, in pros or hexagonal prism body, be provided with internal thread, internal thread is threaded with extension bar (2).
3. nozzle according to claim 1, it is characterized in that: described extension bar (2) is cylinder, the diameter at cylinder two ends is less than the middle part diameter, the reduced diameter section at extension bar (2) two ends is provided with external screw thread, the external screw thread of extension bar (2) one ends is connected with the internal thread on shower nozzle (1), and the external screw thread of extension bar (2) other end is threaded with tail cover (3).
4. nozzle according to claim 1, it is characterized in that: described tail cover (3) one ends are provided with internal thread, and tail cover (3) other end is provided with external screw thread, and the cylindrical in tail cover (3) stage casing is pros or hexagonal prism body.
5. according to the described nozzle of the arbitrary claim of claim 1-4, it is characterized in that: described shower nozzle (1), extension bar (2) and tail cover (3) are equipped with centre bore (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320958XU CN203305467U (en) | 2013-06-05 | 2013-06-05 | Injection nozzle of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320958XU CN203305467U (en) | 2013-06-05 | 2013-06-05 | Injection nozzle of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203305467U true CN203305467U (en) | 2013-11-27 |
Family
ID=49611701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320320958XU Expired - Lifetime CN203305467U (en) | 2013-06-05 | 2013-06-05 | Injection nozzle of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203305467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556245A (en) * | 2018-05-15 | 2018-09-21 | 德清新亚塑业有限公司 | One kind can clear up sprayer of injection molding machine |
-
2013
- 2013-06-05 CN CN201320320958XU patent/CN203305467U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556245A (en) * | 2018-05-15 | 2018-09-21 | 德清新亚塑业有限公司 | One kind can clear up sprayer of injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
|
| CX01 | Expiry of patent term |