CN206983156U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN206983156U CN206983156U CN201720640499.1U CN201720640499U CN206983156U CN 206983156 U CN206983156 U CN 206983156U CN 201720640499 U CN201720640499 U CN 201720640499U CN 206983156 U CN206983156 U CN 206983156U
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- CN
- China
- Prior art keywords
- sprue bushing
- plate
- fixed block
- sprue
- runner
- 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.)
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection mold,Including upper mounted plate,Stripper plate and cope plate,Fixed plate offers cast gate,Fixed plate bottom is embedded with sprue bushing fixed block,Sprue bushing is embedded with the sprue bushing fixed block,The sprue bushing includes sprue bushing head and the main part being connected in the middle part of the sprue bushing head,The sprue bushing, which has, to be formed in the sprue bushing mouth on the sprue bushing head and is connected and through the sprue bushing runner of the main part with the sprue bushing mouth,The sprue bushing head of the sprue bushing is embedded in the sprue bushing fixed block from top to bottom,The sprue bushing mouth connection is in the bottom of the cast gate,The main part extends downwardly from the sprue bushing fixed block and through the stripper plate and then with making the sprue bushing runner and the flow passage inside the cope plate,Thereby,The overall sprue contraction in length of the injection mold,Be advantageous to the shaping of injecting products,Shorten the formed product cycle,Reduce the waste of injection raw material,And readily replaceable different sprue bushing fixed block and sprue bushing.
Description
Technical field
It the utility model is related to injection mold field, more particularly to a kind of injection mold with improved sprue.
Background technology
Sprue bushing in injection mold is for making the fluent material of melting be injected into from the nozzle of injection machine in injection mold
The part of the runner in portion, it has the sprue bushing mouth being connected with the nozzle of injection machine and the sprue bushing runner being connected with sprue bushing mouth.Mesh
Before, the sprue bushing in common injection molding is typically to be directly anchored on upper mounted plate, and the sprue bushing extends to the bottom of stripper plate, but
Such fixed form make it that the sprue of injection mold is oversize, the injection pressure of fluid can because sprue is oversize and by
It is decrescence small, and then injection effect is influenceed, and also the flowing frictional resistance of the oversize plastic liquid that can also make melting of sprue increases,
Slow down rate of flow of fluid, cause the fluent material premature cure of melting, not only influence injection molded effect, while can also wave
Take raw material.
Utility model content
The purpose of this utility model is to provide a kind of injection mold, can shorten the length of sprue.
To achieve these goals, injection mold of the present utility model include combine successively from top to bottom upper mounted plate,
Stripper plate and cope plate, fixed plate offer cast gate, and fixed plate bottom is embedded with sprue bushing fixed block, the purt
Sprue bushing is embedded with mouth fixed block, the sprue bushing includes sprue bushing head and the main part being connected in the middle part of the sprue bushing head, institute
State sprue bushing and have and formed in the sprue bushing mouth on the sprue bushing head and be connected with the sprue bushing mouth and run through the sprue bushing of the main part
Runner, the sprue bushing head of the sprue bushing are embedded in the sprue bushing fixed block from top to bottom, and the sprue bushing mouth connection is poured described
The bottom of mouth, the main part extend downwardly from the sprue bushing fixed block and through the stripper plates and then with making the sprue bushing runner
With the flow passage inside the cope plate.
Compared with prior art, the injection mold is used to fix the purt by being embedded with fixed plate bottom
The sprue bushing fixed block of mouth so that the overall sprue contraction in length of the injection mold, be advantageous to injecting products into
Type, shorten the formed product cycle, reduce the waste of injection raw material, and readily replaceable different sprue bushing fixed block and sprue bushing.
It is preferred that the stripper plate bottom is embedded with stripper plate mold insert, the main part of the sprue bushing is passed down through described take off
Flitch mold insert.
It is preferred that the stripper plate offers through hole, the through hole includes the width for being opened in the stripper plate bottom
Hole and the narrower bore for connecting and extending upward through with the middle part of the wide aperture, the stripper plate mold insert are embedded the width in the through hole
Hole, at least one the stripper plate mold insert and the sprue bushing fixed block stretch into the narrower bore of the through hole so that the stripper plate is inlayed
Part mutually contradicts with the sprue bushing fixed block, and then strengthens integrally-built stability.
It is preferred that the stripper plate mold insert has the thin portion for the narrower bore for extending upwardly into the through hole, the sprue bushing is fixed
Block, which has, extends downwardly into the narrower bore of the through hole and the narrow portion inconsistent with the thin portion of the stripper plate mold insert.
It is preferred that be embedded with mold insert and the backing plate above the mold insert on the cope plate, the backing plate formed with
It is described formed with the mold insert runner with the backing plate flow passage with the backing plate runner of the sprue bushing flow passage, the mold insert
Backing plate runner combines to form the runner inside the cope plate with the mold insert runner.
It is preferred that the backing plate upper end offers opening, the backing plate runner is incorporated in the middle part of the open bottom end, described
The main part of sprue bushing extend downwardly into in the opening so that the sprue bushing runner and the backing plate flow passage, thereby, enter one
Step shortens the length of the injection mold entirety sprue.
Brief description of the drawings
Fig. 1 is the structural representation of the injection mold of the utility model embodiment.
Embodiment
To describe technology contents of the present utility model, construction feature, the effect realized in detail, below in conjunction with embodiment
And accompanying drawing is coordinated to be explained in detail.
Referring to Fig. 1, the injection mold of the utility model embodiment include combine successively from top to bottom upper mounted plate 10,
Stripper plate 20 and cope plate 30, fixed plate 10 offer cast gate 11 corresponding with the nozzle of injection machine (not shown), institute
State the bottom of upper mounted plate 10 and be embedded with sprue bushing fixed block 40, sprue bushing 50, the sprue bushing 50 are embedded with the sprue bushing fixed block 40
Including sprue bushing head 51 and the main part 52 being connected in the middle part of the sprue bushing head 51, the sprue bushing 50, which has, to be formed in the purt
The sprue bushing mouth 53 in mouth portion 51 and be connected with the sprue bushing mouth 53 and through the main part 52 sprue bushing runner 54, the sprue bushing
50 sprue bushing head 51 is embedded in the sprue bushing fixed block 40 from top to bottom, and the sprue bushing mouth 53 is connected in the cast gate 11
Bottom, the main part 52 extend downwardly from the sprue bushing fixed block 40 and through the stripper plates 20 and then with making the sprue bushing stream
Road 54 connects with the runner 31 inside the cope plate 30.
Compared with prior art, the injection mold is used for described in fixation by being embedded with the fixed bottom of plate 10
The sprue bushing fixed block 40 of sprue bushing 50 so that the overall sprue contraction in length of the injection mold, be advantageous to injection production
The shaping of product, shorten the formed product cycle, reduce the waste of injection raw material, and readily replaceable different sprue bushing fixed block and
Sprue bushing.
Referring to Fig. 1, the bottom of stripper plate 20 is embedded with stripper plate mold insert 60, the main part 52 of the sprue bushing 50 is downward
Through the stripper plate mold insert 60.The stripper plate 20 offers through hole 21, and the through hole 21 includes being opened in described take off
The wide aperture 211 of the bottom of flitch 20 and the narrower bore 212 for connecting and extending upward through with the middle part of the wide aperture 211, the stripper plate edge
Part 60 is embedded the wide aperture 211 in the through hole 21, and at least one the stripper plate mold insert 60 and described sprue bushing fixed block 40 are stretched
Enter the narrower bore 212 of the through hole 21 so that the stripper plate mold insert 60 mutually contradicts with the sprue bushing fixed block 40, Jin Erzeng
Strong integrally-built stability.The stripper plate mold insert 60 has the thin portion 61 for the narrower bore 212 for extending upwardly into the through hole 21,
The sprue bushing fixed block 40 have extend downwardly into the through hole 21 narrower bore 212 and with the thin portion 61 of the stripper plate mold insert 60
Inconsistent narrow portion 41.
Referring to Fig. 1, mold insert 32 and the backing plate 33 above the mold insert 32 are embedded with the cope plate 30, it is described
Backing plate 33 formed with the backing plate runner 331 connected with the sprue bushing runner 54, the mold insert 32 formed with the backing plate runner
The mold insert runner 321 of 331 connections, the backing plate runner 331 combine to form the runner 31 with the mold insert runner 321.It is described
The upper end of backing plate 33 offers opening 332, and the backing plate runner 331 is incorporated in 332 center bottoms of the opening, the sprue bushing 50
Main part 52 extend downwardly into in the opening 332 so that the sprue bushing runner 54 connects with the backing plate runner 331, thereby,
It further shorten the length of the injection mold entirety sprue.
Above disclosed is only preferred embodiments of the present utility model, can not limit the utility model with this certainly
Interest field, therefore equivalent variations made according to present utility model application the scope of the claims still fall within the utility model and are covered
Scope.The upper and lower orientation for waiting the noun of locality, being only presentation middle with reference to the accompanying drawings referred in the utility model, in order to be retouched
State, should not regard as to limitation of the present utility model.
Claims (6)
- A kind of 1. injection mold, it is characterised in that including the upper mounted plate, stripper plate and cope plate combined successively from top to bottom, Fixed plate offers cast gate, and fixed plate bottom is embedded with sprue bushing fixed block, is embedded on the sprue bushing fixed block There is sprue bushing, the sprue bushing includes sprue bushing head and the main part being connected in the middle part of the sprue bushing head, and the sprue bushing, which has, to be formed It is connected in the sprue bushing mouth on the sprue bushing head and with the sprue bushing mouth and through the sprue bushing runner of the main part, the sprue bushing Sprue bushing head is embedded in the sprue bushing fixed block from top to bottom, and the sprue bushing mouth connection is in the bottom of the cast gate, the master Body portion extends downwardly from the sprue bushing fixed block and through the stripper plate and then with making in the sprue bushing runner and the cope plate The flow passage in portion.
- 2. injection mold as claimed in claim 1, it is characterised in that the stripper plate bottom is embedded with stripper plate mold insert, institute The main part for stating sprue bushing is passed down through the stripper plate mold insert.
- 3. injection mold as claimed in claim 2, it is characterised in that the stripper plate offers through hole, the through hole Including the narrower bore for being opened in the wide aperture of the stripper plate bottom and connecting and extend upward through with the middle part of the wide aperture, the de- material Plate mold insert is embedded the wide aperture in the through hole, and at least one the stripper plate mold insert and described sprue bushing fixed block stretch into described pass through The narrower bore of perforation is so that the stripper plate mold insert mutually contradicts with the sprue bushing fixed block.
- 4. injection mold as claimed in claim 3, it is characterised in that the stripper plate mold insert, which has, extends upwardly into described run through The thin portion of the narrower bore in hole, the sprue bushing fixed block have extend downwardly into the through hole narrower bore and with the stripper plate mold insert The inconsistent narrow portion of thin portion.
- 5. injection mold as claimed in claim 1, it is characterised in that mold insert is embedded with the cope plate and positioned at the edge Backing plate above part, the backing plate formed with the backing plate runner with the sprue bushing flow passage, the mold insert formed with it is described The mold insert runner of backing plate flow passage, the backing plate runner combine to form the stream inside the cope plate with the mold insert runner Road.
- 6. injection mold as claimed in claim 5, it is characterised in that the backing plate upper end offers opening, the backing plate stream Road is incorporated in the middle part of the open bottom end, the main part of the sprue bushing extend downwardly into in the opening so that the sprue bushing runner With the backing plate flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640499.1U CN206983156U (en) | 2017-06-02 | 2017-06-02 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640499.1U CN206983156U (en) | 2017-06-02 | 2017-06-02 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206983156U true CN206983156U (en) | 2018-02-09 |
Family
ID=61395061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640499.1U Active CN206983156U (en) | 2017-06-02 | 2017-06-02 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206983156U (en) |
-
2017
- 2017-06-02 CN CN201720640499.1U patent/CN206983156U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |