CN208528046U - Injection device of die casting machine - Google Patents
Injection device of die casting machine Download PDFInfo
- Publication number
- CN208528046U CN208528046U CN201820986484.5U CN201820986484U CN208528046U CN 208528046 U CN208528046 U CN 208528046U CN 201820986484 U CN201820986484 U CN 201820986484U CN 208528046 U CN208528046 U CN 208528046U
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- China
- Prior art keywords
- injection
- cooling
- cooling tube
- plunger
- die casting
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- 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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Abstract
The utility model discloses a kind of injection device of die casting machine, the device includes injection rod, injection plunger, it is connected between injection rod and injection plunger by nipple, it further include cooling tube, cooling tube is mounted on by injection rod, nipple and injection plunger are formed by hollow structure, return water conduit is formed between hollow structure and cooling pipe outer wall, injection plunger is equipped with annular return flume at binder end and is connected to return water conduit, cooling tube probes into annular return flume, the non-injection end pipe wall of injection rod is equipped with inlet and outlet, water inlet is connected to cooling tube, water outlet is connected to return water conduit, cooling water enters from the inlet cooling tube, cooling injection rod, after nipple, into the cooling injection plunger of annular return flume, then it is flowed out by return water conduit from water outlet.The utility model solves the problems, such as cooling existing for injection device of die casting machine, extends the service life of injection device.
Description
Technical field
The utility model relates to die casting machines, and in particular to a kind of injection device of die casting machine.
Background technique
Currently, the die casting machine for producing aluminum alloy die casting, injection device pass through screw thread by injection rod and injection plunger
Connector is formed by connecting.For a long time, due to cooling structure not set in injection device, making for injection device has been seriously affected
Use the service life.
Summary of the invention
In view of the above problems, the utility model is intended to pressing on the basis of existing injection device by Curve guide impeller
Cooling structure is added on injection device, to extend the service life of injection device.
The utility model is realized by following technical proposals: a kind of injection device of die casting machine, the device include injection rod,
Injection plunger is connected between injection rod and injection plunger by nipple, which further includes cooling tube, and the cooling tube is mounted on
It is formed by hollow structure by injection rod, nipple and injection plunger, is formed back between the hollow structure and cooling pipe outer wall
Sink road, the injection plunger are equipped with annular return flume at binder end and are connected to return water conduit, and the cooling tube probes into annular
In return flume, the non-injection end pipe wall of the injection rod is equipped with inlet and outlet, and water inlet is connected to cooling tube, is discharged
Mouth is connected to return water conduit.
Further, the diameter of annular return flume described in the utility model is greater than connection screw thread bore dia, and the annular is returned
The length of sink is equal to 1/2 connection screw thread length.
The utility model is formed by hollow structure in injection rod, nipple and injection plunger is arranged cooling tube, utilizes
The gap of hollow structure and cooling pipe outer wall forms return water conduit, and annular return flume is arranged at the binder end of injection plunger, is pressing
The non-shot tip setting inlet and outlet for penetrating bar, cool down injection rod, nipple and injection plunger, solve long-term
The cooling problem of existing injection device, extends the service life of injection device.
Detailed description of the invention
Fig. 1 is injection device of die casting machine structural schematic diagram.
Specific embodiment
Hereinafter, being described with reference to the embodiments of the present invention.
The injection device of die casting machine of the utility model, as shown in Figure 1, including injection rod 1, injection plunger 2, injection rod 1 and pressure
It penetrates between first 2 and is connected by nipple 3, further include cooling tube 4, cooling tube 4 is mounted on by injection rod 1, nipple 3 and pressure
It penetrates first 2 to be formed by hollow structure, forms return water conduit 5 between hollow structure and cooling pipe outer wall, injection plunger is close to binder end
Place is equipped with annular return flume 21, and annular return flume 21 is connected to return water conduit 5, and the diameter of annular return flume is greater than connection screw thread hole
The length of diameter, annular return flume is equal to 1/2 connection screw thread length, and cooling tube 4 probes into annular return flume 21, injection rod 1
Non- injection end pipe wall is equipped with inlet and outlet, and water inlet is connected to cooling tube 4, and water outlet is connected to return water conduit 5,
Cooling tube joint between inlet and outlet is equipped with step, is provided with sealing ring 6 at step, cooling water from water inlet into
Enter cooling tube 4, after cooling down injection rod 1, nipple 2, into the cooling injection plunger 2 of annular return flume 21, then passes through return flume
It is flowed out from water outlet in road 5.
Claims (2)
1. a kind of injection device of die casting machine, including injection rod, injection plunger are connected between injection rod and injection plunger by nipple
It connects, it is characterised in that: further include cooling tube, the cooling tube is mounted on to be formed by by injection rod, nipple and injection plunger
In hollow structure, return water conduit is formed between the hollow structure and cooling pipe outer wall, the injection plunger is equipped at binder end
Annular return flume is connected to return water conduit, and the cooling tube probes into annular return flume, the non-injection end pipe wall of the injection rod
Inlet and outlet are equipped with, water inlet is connected to cooling tube, and water outlet is connected to return water conduit.
2. a kind of injection device of die casting machine according to claim 1, which is characterized in that the diameter of the annular return flume is big
It is equal to 1/2 connection screw thread length in the length of connection screw thread bore dia, the annular return flume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986484.5U CN208528046U (en) | 2018-06-26 | 2018-06-26 | Injection device of die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986484.5U CN208528046U (en) | 2018-06-26 | 2018-06-26 | Injection device of die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208528046U true CN208528046U (en) | 2019-02-22 |
Family
ID=65391687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820986484.5U Active CN208528046U (en) | 2018-06-26 | 2018-06-26 | Injection device of die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208528046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850437A (en) * | 2022-04-22 | 2022-08-05 | 宁波北仑区纳众金属材料有限公司 | Injection punch of die casting machine |
-
2018
- 2018-06-26 CN CN201820986484.5U patent/CN208528046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850437A (en) * | 2022-04-22 | 2022-08-05 | 宁波北仑区纳众金属材料有限公司 | Injection punch of die casting machine |
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