CN215845608U - Injection structure with high-speed supercharging function - Google Patents
Injection structure with high-speed supercharging function Download PDFInfo
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- CN215845608U CN215845608U CN202122158500.6U CN202122158500U CN215845608U CN 215845608 U CN215845608 U CN 215845608U CN 202122158500 U CN202122158500 U CN 202122158500U CN 215845608 U CN215845608 U CN 215845608U
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Abstract
The utility model discloses an injection structure with a high-speed pressurization function, which comprises a cylinder body, wherein a partition plate is arranged inside the cylinder body, the partition plate divides the inside of the cylinder body into an injection cavity and a pressurization cavity, the injection cavity is provided with an injection piston, the injection cavity is communicated with and fixedly provided with a first oil way between the partition plate and the injection piston, the pressurization cavity is provided with a pressurization piston, the pressurization cavity is communicated with and fixedly provided with a second oil way, the pressurization piston is positioned between the partition plate and the second oil way, and the pressurization piston is fixedly connected with the injection piston through a connecting rod; through the second oil circuit hydraulic oil injection pressure boost chamber, the pressure energy of the hydraulic oil of pressure boost intracavity can directly transmit to pressing the injection piston through pressure boost piston and connecting rod to make pressing the injection piston can be accelerated motion at the quick injection material stage, carry the melting material to the shaping intracavity fast, the pressure boost is fast, builds the pressure time and is short.
Description
Technical Field
The utility model relates to the technical field of injection structures of die casting machines, in particular to an injection structure with a high-speed pressurization function.
Background
Pressure casting is widely applied and rapidly developed in large-scale industry because of the advantages of high production efficiency, excellent economic index, high size precision of die castings, good interchangeability and the like. The die casting becomes an important component of most products, and the trend of the die casting towards compactness, large-scale and diversification also puts higher requirements on the performance of the die casting machine.
Injection is a key step in die casting, and the injection system of die casting machines is generally divided into three stages: the first stage is slow injection, so that molten metal slowly flows to the vicinity of the injection nozzle to remove part of air in the pouring system; the second stage is quick injection, and the molten metal is injected into the cavity at high pressure and high speed; the third stage is a pressure maintaining stage, so that the pressure of the casting is maintained in the cooling process, and the tightness of the casting is ensured; the die casting machine in the prior art basically adopts an injection structure with a floating piston and a floating valve core, and the injection structure has low pressurization speed and short pressure building time.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention aims to provide an injection structure with a high-speed pressurizing function, which has a high pressurizing speed and a short pressure buildup time.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an press and penetrate structure with high-speed pressure boost function, includes the cylinder body, the inside of cylinder body is provided with the division board, the division board divides the inside of cylinder body into presses and penetrates the chamber and pressure boost chamber, it is provided with presses the piston to press to penetrate the chamber, press and penetrate the chamber intercommunication and be fixed with the first oil circuit that is located between division board and the pressure piston, pressure boost chamber is provided with the pressure boost piston, pressure boost chamber intercommunication and be fixed with the second oil circuit, the pressure boost piston is located between division board and the second oil circuit, the pressure boost piston carries out fixed connection through connecting rod and pressure piston.
Preferably, one end of the injection piston, which is far away from the partition plate, is fixedly connected with an injection rod.
Preferably, the first oil passage includes a first oil inlet pipe communicating with and fixed to the shot chamber, a first oil inlet valve provided on the first oil inlet pipe, a first oil outlet pipe communicating with and fixed to the shot chamber, and a first oil outlet valve provided on the first oil outlet pipe.
Furthermore, first inlet valve and first delivery valve are the solenoid valve.
Preferably, the second oil path includes a second oil inlet pipe communicated and fixed with the pressurizing cavity, a second oil inlet valve disposed on the second oil inlet pipe, a second oil outlet pipe communicated and fixed with the pressurizing cavity, and a second oil outlet valve disposed on the second oil outlet pipe.
Furthermore, the second oil inlet valve and the second oil outlet valve are both electromagnetic valves.
The technical effects of the utility model are mainly embodied as follows: through the second oil circuit hydraulic oil injection pressure boost chamber, the pressure energy of the hydraulic oil of pressure boost intracavity can directly transmit to pressing the injection piston through pressure boost piston and connecting rod to make pressing the injection piston can be accelerated motion at the quick injection material stage, carry the melting material to the shaping intracavity fast, the pressure boost is fast, builds the pressure time and is short.
Drawings
Fig. 1 is a schematic structural view of an injection structure with a high-speed pressurizing function according to the present invention;
fig. 2 is a partial structural schematic diagram of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
An injection structure with a high-speed pressurization function is disclosed, as shown in fig. 1-2, and comprises a cylinder body 1, wherein a partition plate 2 is arranged inside the cylinder body 1, the partition plate 2 divides the inside of the cylinder body 1 into an injection cavity 3 and a pressurization cavity 4, the injection cavity 3 is provided with an injection piston 5, the injection cavity 3 is communicated and fixed with a first oil path 6 between the partition plate 2 and the injection piston 5, the pressurization cavity 4 is provided with a pressurization piston 7, the pressurization cavity 4 is communicated and fixed with a second oil path 8, the pressurization piston 7 is positioned between the partition plate 2 and the second oil path 8, and the pressurization piston 7 is fixedly connected with the injection piston 5 through a connecting rod 9.
An injection rod 51 is fixedly connected to one end of the injection piston 5 far away from the partition plate 2. The first oil passage 6 includes a first oil inlet pipe 61 communicating with and fixed to the shot chamber 3, a first oil inlet valve 62 provided on the first oil inlet pipe 61, a first oil outlet pipe 63 communicating with and fixed to the shot chamber 3, and a first oil outlet valve 64 provided on the first oil outlet pipe 63. The second oil path 8 includes a second oil inlet pipe 81 communicating with and fixed to the pressurizing chamber 4, a second oil inlet valve 82 provided on the second oil inlet pipe 81, a second oil outlet pipe 83 communicating with and fixed to the pressurizing chamber 3, and a second oil outlet valve 84 provided on the second oil outlet pipe 83.
In the present embodiment, the cylinder 1 communicates with the molding cavity 1011 inside the die 101 through the sprue 11, and the injection rod 51 conforms to the shape of the sprue 11.
In the present embodiment, the second oil inlet valve 82 and the second oil outlet valve 84 are both solenoid valves.
In the present embodiment, the first oil inlet valve 62 and the first oil outlet valve 64 are both solenoid valves.
The working principle is as follows: and (3) a slow injection stage: after the movable mold and the fixed mold of the mold 101 are closed, the first oil inlet valve 62 on the first oil inlet pipe 61 is opened, hydraulic oil enters the injection cavity 3 through the first oil inlet pipe 61, the injection piston 5 is pushed to move towards the mold 101, and molten materials in the injection cavity 3 are slowly conveyed into the molding cavity 1011 of the mold 101;
and (3) a rapid injection stage: opening a second oil inlet valve 82 on a second oil inlet pipe 81, allowing hydraulic oil to enter a pressurizing cavity 4 through the second oil inlet pipe 81 and push the pressurizing piston 7 to move towards the direction of the die 101, wherein the pressure of the hydraulic oil on the pressurizing piston 7 is directly transmitted to the injection piston 5 through a connecting rod 9, and the injection piston 5 at the moment is subjected to the pressure of the hydraulic oil in the injection cavity 3 and the pressure of the hydraulic oil in the pressurizing cavity 4, so that the pressure applied to the injection piston 5 is increased, the injection piston 5 is accelerated to move towards the direction of the die 101, and molten materials in the injection cavity 3 are quickly conveyed to a forming cavity 1011 of the die 101;
and (3) pressure maintaining stage: after the injection rod 51 on the injection piston 5 enters the interior of the straight gate runner 11, the first oil feed valve 62 and the second oil feed valve 82 are closed, and pressure is maintained according to the corresponding requirements of the die-cast product.
The technical effects of the utility model are mainly embodied as follows: through the second oil circuit hydraulic oil injection pressure boost chamber, the pressure energy of the hydraulic oil of pressure boost intracavity can directly transmit to pressing the injection piston through pressure boost piston and connecting rod to make pressing the injection piston can be accelerated motion at the quick injection material stage, carry the melting material to the shaping intracavity fast, the pressure boost is fast, builds the pressure time and is short.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (6)
1. The utility model provides an press and penetrate structure with high-speed pressure boost function, includes the cylinder body, the inside of cylinder body is provided with the division board, the division board divides the inside of cylinder body into and penetrates chamber and pressure boost chamber, it is provided with and penetrates the piston to press to penetrate the chamber, it communicates and is fixed with the first oil circuit that is located the division board and penetrates between the piston to press to penetrate the chamber, its characterized in that: the pressurizing cavity is provided with a pressurizing piston, the pressurizing cavity is communicated and fixed with a second oil way, the pressurizing piston is positioned between the partition plate and the second oil way, and the pressurizing piston is fixedly connected with the injection piston through a connecting rod.
2. A shot structure with high-speed pressurizing function as defined in claim 1, wherein: and one end of the injection piston, which is far away from the partition plate, is fixedly connected with an injection rod.
3. A shot structure with high-speed pressurizing function as defined in claim 1, wherein: the first oil way comprises a first oil inlet pipe communicated and fixed with the injection cavity, a first oil inlet valve arranged on the first oil inlet pipe, a first oil outlet pipe communicated and fixed with the injection cavity, and a first oil outlet valve arranged on the first oil outlet pipe.
4. A shot structure with high-speed pressurizing function as defined in claim 3, wherein: the first oil inlet valve and the first oil outlet valve are both electromagnetic valves.
5. A shot structure with high-speed pressurizing function as defined in claim 1, wherein: the second oil path comprises a second oil inlet pipe communicated and fixed with the pressurization cavity, a second oil inlet valve arranged on the second oil inlet pipe, a second oil outlet pipe communicated and fixed with the pressurization cavity, and a second oil outlet valve arranged on the second oil outlet pipe.
6. A shot structure with high-speed pressurizing function as defined in claim 5, wherein: and the second oil inlet valve and the second oil outlet valve are both electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122158500.6U CN215845608U (en) | 2021-09-07 | 2021-09-07 | Injection structure with high-speed supercharging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122158500.6U CN215845608U (en) | 2021-09-07 | 2021-09-07 | Injection structure with high-speed supercharging function |
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| CN215845608U true CN215845608U (en) | 2022-02-18 |
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| CN202122158500.6U Active CN215845608U (en) | 2021-09-07 | 2021-09-07 | Injection structure with high-speed supercharging function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351259A (en) * | 2022-07-08 | 2022-11-18 | 宁波力劲科技有限公司 | Pressurizing structure for die casting machine energy accumulator and using method of pressurizing structure |
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2021
- 2021-09-07 CN CN202122158500.6U patent/CN215845608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351259A (en) * | 2022-07-08 | 2022-11-18 | 宁波力劲科技有限公司 | Pressurizing structure for die casting machine energy accumulator and using method of pressurizing structure |
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