CN206017324U - There is the needle valve type hot runner oil cylinder of arrangement for adjusting height - Google Patents
There is the needle valve type hot runner oil cylinder of arrangement for adjusting height Download PDFInfo
- Publication number
- CN206017324U CN206017324U CN201620925023.8U CN201620925023U CN206017324U CN 206017324 U CN206017324 U CN 206017324U CN 201620925023 U CN201620925023 U CN 201620925023U CN 206017324 U CN206017324 U CN 206017324U
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- CN
- China
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- arrangement
- cylinder body
- piston
- adjusting height
- gripper shoe
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This utility model is related to Hot runner Technology field, it is therefore an objective to provides the needle valve type hot runner oil cylinder with arrangement for adjusting height, including cylinder body, piston, gripper shoe and arrangement for adjusting height, is provided with a back-up ring on piston, piston is placed in cylinder body；Gripper shoe is located at the top of cylinder body, and arrangement for adjusting height is located at the bottom of cylinder body；Arrangement for adjusting height includes adjustable plate, locating dowel and adjusting nut, and adjusting nut is T-shaped, is provided with a screwed hole on adjustable plate, and the straight body of adjusting nut is screwed in screwed hole；The one end in cylinder body with the through hole for holding that locating dowel is passed through, locating dowel is connected with gripper shoe by screw, and the other end of locating dowel is connected on adjustable plate by screw.Using above-mentioned technical proposal, change height of the adjusting nut in cylinder body by changing thread depth of the adjusting nut in adjustable plate, can thus change the height in cylinder interior space, so as to change the stroke of piston.
Description
Technical field
This utility model is related to Hot runner Technology field, in particular to needle valve type hot runner oil cylinder.
Background technology
The injection manufacture of large-scale injection molding generally needs two or more hot runners just fill.For common hot pouring
System, when injection starts, cast gate is just opened therewith simultaneously.Such enter glue mode be inevitably present fusion defect, that is, exist
When two gangs of melt forwards converge, as two strands of melts can not be fused into one completely, and fusion trace is formed, reacted in product surface
On the weld mark that is just known as.Although can pass through to improve melt temperature, increase dwell pressure and adjustment Shooting Technique ginseng
The methods such as number are improved, but actual improvement is limited.
Running gate system is built using needle valve type hot runner technology, you can realize unlatching and the pass of each valve gate of programme-control
Close, melt is fused completely, obtain weldless trace product.The structure of needle valve type hot runner system mould of plastics is most complicated, it with
Common bull TOP-TIP the modern designs of plastics have identical structure, in addition more than a set of needle actuating device control needle
Open and close is moved.The actuating device is connected with mould using the hydraulic means of injector equivalent to a hydraulic jack, forms liquid
Road is pushed back, the open and close motion of needle, control molten condition plastics injection die cavity is realized.By controlling the cast gate opening time, it is ensured that
Cavity filling is smooth and melt flows are balanced, and eliminates weld mark.
The main body of oil cylinder is piston and cylinder body, by the moving position of the space restriction piston of cylinder body, the movable row of piston
Journey is fixed, it is impossible to adjusted.So, for the oil cylinder of different piston strokes, the length that can only change cylinder body goes to change cylinder interior
Space.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of needle valve with arrangement for adjusting height
Hot flow path oil cylinder, using the height of threaded adjusting cylinder body, piston stroke can be adjusted according to the actual requirements.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows：
There is the needle valve type hot runner oil cylinder of arrangement for adjusting height, fill including cylinder body, piston, gripper shoe and altitude mixture control
Put, a back-up ring is installed on the piston, the piston is placed in the cylinder body；The gripper shoe is located at the top of the cylinder body
Portion, the arrangement for adjusting height are located at the bottom of the cylinder body；The arrangement for adjusting height includes adjustable plate, locating dowel and regulation
Nut, the adjusting nut are T-shaped, are provided with a screwed hole on the adjustable plate, and the straight body of the adjusting nut is screwed in
In the screwed hole；There is in the cylinder body through hole for holding that the locating dowel is passed through, one end of the locating dowel by screw with
The gripper shoe is connected, and the other end of the locating dowel is connected on the adjustable plate by screw.
It is further to be provided with chiller between the gripper shoe and the cylinder body, the chiller includes cold
But plate, is provided with resigning hole at the corresponding piston of the coldplate；U-shaped water route, the U-shaped water is provided with the coldplate
Two openings on road set and are mounted with a water nozzle.
It is further that the side of the relatively described coldplate of the gripper shoe is provided with feet.
Using above-mentioned technical proposal, adjusting nut is changed by change thread depth of the adjusting nut in adjustable plate and is existed
Height in cylinder body, can thus change the height in cylinder interior space, so as to change the stroke of piston.
Compared with prior art, technical characterstic of the present utility model is：1., using the height of threaded adjusting cylinder body, piston allowed
Stroke can be adjusted according to the actual requirements；The function of many money oil cylinders being needed to realize, be changed to all compatible using a oil cylinder,
So as to increase the interchangeability of part, use cost is greatly reduced；2. the chiller for increasing adopts heat exchange, the side of water circulation
Formula radiates to oil cylinder, to reduce the operating temperature of oil cylinder；3. feet makes to form interval between gripper shoe and coldplate, increases
The radiating efficiency of coldplate.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described.
Fig. 1 is the structural representation of the needle valve type hot runner oil cylinder with arrangement for adjusting height disclosed in embodiment；
Fig. 2 is that the explosive structure of the needle valve type hot runner oil cylinder with arrangement for adjusting height disclosed in embodiment is shown
It is intended to；
Fig. 3 is the structural representation of the adjustable plate disclosed in embodiment；
Fig. 4 is the side sectional view of the coldplate disclosed in embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
Referring to the needle valve type hot runner oil cylinder with arrangement for adjusting height shown in Fig. 1 and 2, including cylinder body 1, piston 2,
Gripper shoe 3 and arrangement for adjusting height, are provided with a back-up ring 4 on piston, piston is placed in cylinder body；Gripper shoe is located at the top of cylinder body
Portion, arrangement for adjusting height are located at the bottom of cylinder body.Arrangement for adjusting height includes adjustable plate 5, locating dowel 6 and adjusting nut 7, adjusts
Nut is T-shaped, is provided with a screwed hole 8 (referring to Fig. 3) on adjustable plate, and the straight body of adjusting nut is screwed in screwed hole；Cylinder
The one end in body with the through hole for holding that locating dowel is passed through, locating dowel is connected with gripper shoe by screw, and the other end of locating dowel leads to
Cross screw to be connected on adjustable plate.Using above-mentioned technical proposal, by change thread depth of the adjusting nut in adjustable plate come
Change height of the adjusting nut in cylinder body, can thus change the height in cylinder interior space, so as to change the row of piston
Journey.
Chiller is provided between gripper shoe and cylinder body, and chiller includes coldplate 9, and referring to Fig. 4, coldplate is corresponding
Resigning hole 9a is provided with piston；U-shaped water route 9b is provided with coldplate, and two openings in U-shaped water route set and are mounted with one
Water nozzle.Chiller is radiated to oil cylinder by the way of heat exchange, water circulation, to reduce the operating temperature of oil cylinder.Support
The side of the relatively cool plate of plate is provided with feet, and feet makes to form interval between gripper shoe and coldplate, increased coldplate
Radiating efficiency.
Multiple modifications of these embodiments will be apparent for those skilled in the art, herein
Defined General Principle can be real in other embodiments in the case of without departing from spirit or scope of the present utility model
Existing.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and be to fit to disclosed herein
The consistent most wide scope of principle and features of novelty.
Claims (3)
1. have arrangement for adjusting height needle valve type hot runner oil cylinder, it is characterised in that including cylinder body, piston, gripper shoe and
Arrangement for adjusting height, is provided with a back-up ring on the piston, the piston is placed in the cylinder body；The gripper shoe is located at institute
The top of cylinder body is stated, the arrangement for adjusting height is located at the bottom of the cylinder body；The arrangement for adjusting height includes adjustable plate, determines
Position post and adjusting nut, the adjusting nut are T-shaped, are provided with a screwed hole on the adjustable plate, the adjusting nut
Straight body is screwed in the screwed hole；There is in the cylinder body through hole for holding that the locating dowel is passed through, one end of the locating dowel
It is connected with the gripper shoe by screw, the other end of the locating dowel is connected on the adjustable plate by screw.
2. the needle valve type hot runner oil cylinder with arrangement for adjusting height according to claim 1, it is characterised in that described
Chiller is provided between gripper shoe and the cylinder body, the chiller includes coldplate, the coldplate is corresponding described
Resigning hole is provided with piston；U-shaped water route is provided with the coldplate, and two openings in the U-shaped water route set and are mounted with
One water nozzle.
3. the needle valve type hot runner oil cylinder with arrangement for adjusting height according to claim 2, it is characterised in that described
The side of the relatively described coldplate of gripper shoe is provided with feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925023.8U CN206017324U (en) | 2016-08-23 | 2016-08-23 | There is the needle valve type hot runner oil cylinder of arrangement for adjusting height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925023.8U CN206017324U (en) | 2016-08-23 | 2016-08-23 | There is the needle valve type hot runner oil cylinder of arrangement for adjusting height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017324U true CN206017324U (en) | 2017-03-15 |
Family
ID=58249728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620925023.8U Expired - Fee Related CN206017324U (en) | 2016-08-23 | 2016-08-23 | There is the needle valve type hot runner oil cylinder of arrangement for adjusting height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457965A (en) * | 2017-10-12 | 2017-12-12 | 柳道万和(苏州)热流道系统有限公司 | Valve needle type hot runner cylinder |
-
2016
- 2016-08-23 CN CN201620925023.8U patent/CN206017324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457965A (en) * | 2017-10-12 | 2017-12-12 | 柳道万和(苏州)热流道系统有限公司 | Valve needle type hot runner cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20190823 |