CN206952129U - Pouring bushing for die casting die and injection punch head fit structure - Google Patents
Pouring bushing for die casting die and injection punch head fit structure Download PDFInfo
- Publication number
- CN206952129U CN206952129U CN201720585179.0U CN201720585179U CN206952129U CN 206952129 U CN206952129 U CN 206952129U CN 201720585179 U CN201720585179 U CN 201720585179U CN 206952129 U CN206952129 U CN 206952129U
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- CN
- China
- Prior art keywords
- punch head
- sprue bush
- injection punch
- injection
- cylindrical shape
- 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 - Fee Related
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Abstract
It the utility model is related to a kind of pouring bushing for die casting die and injection punch head fit structure, injection punch head is connected with injection rod, one cooling tube passes axially through injection rod and stretched into injection punch head, injection punch head moves axially in reciprocal fashion in sprue bush, sprue bush includes sprue bush body, sealing shroud is located at the cooling jacket of sprue bush body outer wall, cooling jacket includes the cylindrical shape body of one end open, water inlet and delivery port are provided with cylindrical shape body, a cavity is formed between cylindrical shape body and sprue bush body, one end that cooling tube stretches into injection punch head is arranged to angle, the gradient of angle is 38 ° 52.The outer wall of the utility model sprue bush body is completely immersed in water, film-cooled heat is big, sprue bush body is realized comprehensively and uniformly cooled down, one end that cooling tube stretches into injection punch head is arranged to angle, stagnant water phenomenon is avoided the occurrence of, injection punch head good cooling results, reduces the workload for changing injection punch head and sprue bush body, production efficiency is improved, reduces production cost.
Description
Technical field
A kind of die casting is the utility model is related to, more particularly to a kind of pouring bushing for die casting die coordinates knot with injection punch head
Structure.
Background technology
During Die Casting, injection punch head moves back and forth in the sprue bush of die casting and is in the condition of high temperature, by
It is unreasonable in existing cast gate Analysis of Nested Design, according to the principle expanded with heat and contract with cold, its internal diameter phase when the sprue bush heat of die casting expands
To reducing, cause the cooperation tension of pouring bushing for die casting die and injection punch head to cause serious wear, to change pressure within average every 15 days
Penetrate drift once, operating efficiency is low, and production cost is high.In addition, the cooling of injection punch head is more cold using being set in injection rod
But manage, disengaging recirculated cooling water in cooling tube, but recirculated cooling water has stagnant water phenomenon, causes injection punch head cooling effect not
It is good, it equally will also result in injection punch head and die gate casing serious wear.The service life of sprue bush only has 50,000 times, injection punching
The service life of head only has 20,000 times, increases the production cost of enterprise.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of pouring bushing for die casting die simple in construction and injection
Drift fit structure.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of pouring bushing for die casting die rushes with injection
Head fit structure, the injection punch head are connected with injection rod, and a cooling tube passes axially through the injection rod and stretches into the injection
In drift, the injection punch head moves axially in reciprocal fashion in the sprue bush, and the sprue bush includes sprue bush body, sealing
The cooling jacket of the sprue bush body outer wall is sheathed on, the cooling jacket includes the cylindrical shape body of one end open, described
Water inlet and delivery port are provided with cylindrical shape body, is formed between the cylindrical shape body and the sprue bush body
Chamber, one end that the cooling tube stretches into the injection punch head are arranged to angle, and the gradient of the angle is 38 ° -52.
In one preferred embodiment of the utility model, pouring bushing for die casting die further comprises with injection punch head fit structure
The gradient of the angle is 45 °.
In one preferred embodiment of the utility model, pouring bushing for die casting die further comprises with injection punch head fit structure
The water inlet is arranged on the bottom wall of the cylindrical shape body, and the delivery port is arranged on the roof of the cylindrical shape body
On.
In one preferred embodiment of the utility model, pouring bushing for die casting die further comprises with injection punch head fit structure
The water inlet is in the taper that collar extension is big, internal orifice is small.
In one preferred embodiment of the utility model, pouring bushing for die casting die further comprises with injection punch head fit structure
The delivery port is in the inverted cone shape that collar extension is big, internal orifice is small.
In one preferred embodiment of the utility model, pouring bushing for die casting die further comprises with injection punch head fit structure
The cylindrical shape body and the sprue bush body welded seal.
The utility model solves defect present in background technology, and the utility model is simple in construction, easy to use, cast gate
The outer wall of set body is completely immersed in water, and film-cooled heat is big, sprue bush body is realized comprehensively and uniformly cooled down, makes sprue bush sheet
The internal diameter of body keeps constant, reduces the friction between sprue bush body and injection punch head, extends sprue bush body and injection punch head
Service life, it is not necessary to cooling bath is set on sprue bush body, it is ensured that the intensity of sprue bush body, further extend cast gate
The service life of body is covered, one end that cooling tube stretches into injection punch head is arranged to angle, avoids recirculated cooling water from stagnant water occur and show
As so that injection punch head good cooling results, the fit clearance between injection punch head and sprue bush body are effectively controlled, injection
The service life of drift is brought up to 30,000 times, and the service life of sprue bush body is brought up to more than 100,000 times, is reduced and is changed injection punching
The workload of head and sprue bush body, production efficiency is improved, reduce production cost.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment of the present utility model；
In figure：2nd, sprue bush, 4, injection punch head, 6, injection rod, 8, cooling tube, 10, sprue bush body, 12, cylindrical jacket
Body, 14, water inlet, 16, delivery port, 18, cavity, 20, angle.
Embodiment
The utility model is described in further detail presently in connection with drawings and examples, these accompanying drawings are simplified
Schematic diagram, only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the structure relevant with the utility model
Into.
As shown in figure 1, a kind of pouring bushing for die casting die 2 and the fit structure of injection punch head 4, injection punch head 4 are connected with injection
Bar 6, a cooling tube 8 pass axially through injection rod 6 and stretched into injection punch head 4, and injection punch head 4 is in the interior edge axial reciprocating of sprue bush 2
Motion, sprue bush 2 includes sprue bush body 10, sealing shroud is located at the cooling jacket of the outer wall of sprue bush body 10, cooling jacket bag
Include the cylindrical shape body 12 of one end open, sprue bush body 10 passes through cylindrical shape body 12, the openend of cylindrical shape body 12 with
Sprue bush body 10 is tightly connected, and water inlet 14 and delivery port 16 is provided with cylindrical shape body 12, cylindrical shape body 12 is with pouring
A cavity 18 is formed between muzzle body 10, by water inlet 14 toward water is filled in cavity 18, the outer wall of sprue bush body 10 is complete
Complete under water, film-cooled heat is big, and comprehensive and uniform cooling is realized to sprue bush body 10, protects the internal diameter of sprue bush body 10
Constant, the friction between reduction sprue bush body 10 and injection punch head 4 is held, extension sprue bush body 10 makes with injection punch head 4
With the life-span, it is not necessary to set cooling bath on sprue bush body 10, it is ensured that the intensity of sprue bush body 10, further extend cast gate
The service life of body 10 is covered, one end that cooling tube 8 stretches into injection punch head 4 is arranged to angle 20, and the gradient A of angle 20 is
38 ° -52, avoid recirculated cooling water from stagnant water phenomenon occur so that the good cooling results of injection punch head 4, further to reduce injection punch head 4
With the abrasion between sprue bush body 10.
In order to preferably remove stagnant water phenomenon, the gradient A of the preferred angle 20 of the utility model is 45 °.
In order that intracavitary 18 of having leisure is full of water, the preferred water inlet 14 of the utility model is arranged on the bottom wall of cylindrical shape body 12
On, delivery port 16 is arranged on the roof of cylindrical shape body 12.
For the ease of quick water inlet, water inlet efficiency is improved, the preferred water inlet 14 of the utility model is in that collar extension is big, internal orifice is small
Taper.
In order to which the water for taking away heat is quickly discharged, the preferred delivery port 16 of the utility model falls in collar extension is big, internal orifice is small
Taper.
The utility model preferably drum shape body 12 and the welded seal of sprue bush body 10, good sealing effect.
It is above enlightenment according to desirable embodiment of the present utility model, it is complete by above-mentioned description, related personnel
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought.This item utility model
Technical scope be not limited to content on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (6)
1. a kind of pouring bushing for die casting die and injection punch head fit structure, the injection punch head are connected with injection rod, a cooling tube
Pass axially through the injection rod to stretch into the injection punch head, the injection punch head is transported in the sprue bush interior edge axial reciprocating
It is dynamic, it is characterised in that：The sprue bush includes sprue bush body, sealing shroud is located at the cooling water of the sprue bush body outer wall
Set, the cooling jacket include the cylindrical shape body of one end open, water inlet and delivery port are provided with the cylindrical shape body,
A cavity is formed between the cylindrical shape body and the sprue bush body, the cooling tube stretches into one end of the injection punch head
It is arranged to angle, the gradient of the angle is 38 ° -52.
2. pouring bushing for die casting die according to claim 1 and injection punch head fit structure, it is characterised in that：The angle
Gradient be 45 °.
3. pouring bushing for die casting die according to claim 1 and injection punch head fit structure, it is characterised in that：The water inlet
Mouth is arranged on the bottom wall of the cylindrical shape body, and the delivery port is arranged on the roof of the cylindrical shape body.
4. pouring bushing for die casting die according to claim 3 and injection punch head fit structure, it is characterised in that：The water inlet
Mouth is in the taper that collar extension is big, internal orifice is small.
5. pouring bushing for die casting die according to claim 3 and injection punch head fit structure, it is characterised in that：The water outlet
Mouth is in the inverted cone shape that collar extension is big, internal orifice is small.
6. pouring bushing for die casting die according to claim 1 and injection punch head fit structure, it is characterised in that：The cylinder
Shape body and the sprue bush body welded seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585179.0U CN206952129U (en) | 2017-05-24 | 2017-05-24 | Pouring bushing for die casting die and injection punch head fit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585179.0U CN206952129U (en) | 2017-05-24 | 2017-05-24 | Pouring bushing for die casting die and injection punch head fit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206952129U true CN206952129U (en) | 2018-02-02 |
Family
ID=61375473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585179.0U Expired - Fee Related CN206952129U (en) | 2017-05-24 | 2017-05-24 | Pouring bushing for die casting die and injection punch head fit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206952129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620551A (en) * | 2018-07-17 | 2018-10-09 | 迈凯实金属技术（苏州）有限公司 | A kind of die casting injection punch head structure |
| CN109277553A (en) * | 2018-10-25 | 2019-01-29 | 广州和德轻量化成型技术有限公司 | Liquid forging machine row material injecting mechanism |
| CN110802211A (en) * | 2019-11-29 | 2020-02-18 | 东莞邦达五金有限公司 | Sealing structure of vacuum die-casting die |
-
2017
- 2017-05-24 CN CN201720585179.0U patent/CN206952129U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620551A (en) * | 2018-07-17 | 2018-10-09 | 迈凯实金属技术（苏州）有限公司 | A kind of die casting injection punch head structure |
| CN109277553A (en) * | 2018-10-25 | 2019-01-29 | 广州和德轻量化成型技术有限公司 | Liquid forging machine row material injecting mechanism |
| CN110802211A (en) * | 2019-11-29 | 2020-02-18 | 东莞邦达五金有限公司 | Sealing structure of vacuum die-casting die |
| CN110802211B (en) * | 2019-11-29 | 2022-01-04 | 东莞邦达五金有限公司 | Sealing structure of vacuum die-casting die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180202 |