CN219561352U - Injection oil pressure cylinder supercharging structure with strong pressure for cold die casting machine - Google Patents
Injection oil pressure cylinder supercharging structure with strong pressure for cold die casting machine Download PDFInfo
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- CN219561352U CN219561352U CN202320229973.7U CN202320229973U CN219561352U CN 219561352 U CN219561352 U CN 219561352U CN 202320229973 U CN202320229973 U CN 202320229973U CN 219561352 U CN219561352 U CN 219561352U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a high-pressure injection oil pressure cylinder pressurizing structure for a cold die casting machine, which relates to the technical field of die casting machines and comprises an injection cylinder, a pressurizing cylinder, a connecting body, an injection cylinder cover and a pressurizing cylinder cover, wherein a pressurizing rod piston is arranged in the pressurizing cylinder in a sliding mode, a pressurizing rod is fixedly arranged in the pressurizing rod piston, a through pressurizing rod mounting hole is formed in the pressurizing rod, a mounting cavity is formed in the connecting body, the injection rod piston is arranged in the injection cylinder in a sliding mode, an injection oil outlet is formed in the injection cylinder cover, an injection oil inlet is formed in the connecting body, one end of the injection oil inlet extends to the mounting cavity, an injection cylinder oil outlet is formed in the connecting body, a pressurizing oil inlet is formed in the pressurizing cylinder cover, and a pressurizing oil outlet is formed in the connecting body. The utility model can continuously extrude the die casting liquid injected into the die through the injection cylinder again through the pressurizing operation, thereby facilitating the molding of the die casting, preventing the situation of incomplete die casting and reducing the waste of resources.
Description
Technical Field
The utility model relates to the technical field of die casting machines, in particular to a high-pressure injection oil pressure cylinder pressurizing structure for a cold die casting machine.
Background
The die casting machine is a machine for pressure casting and comprises a hot pressing chamber and a cold pressing chamber, the hot pressing chamber and the cold pressing chamber are divided into two types according to different forms, the hot pressing chamber is high in automation degree, less in material loss and higher in production efficiency than the cold pressing chamber, but limited by the heat resistance of parts, the die casting machine can be used for casting production of low-melting-point materials such as zinc alloy and magnesium alloy, aluminum alloy die castings which are widely used nowadays are high in melting point and are produced on the cold pressing chamber as much as possible, the basic working principle of the die casting machine is to hydraulically jet molten metal into a die for cooling molding under the action of pressure, a solid metal casting can be obtained after die opening, and an ejection oil pressure cylinder is an important component for hydraulically jetting the molten metal into the die.
In the conventional cold die casting machine, when molten metal is hydraulically injected into a die, die casting failure sometimes occurs due to insufficient injection pressure, so that the incomplete die casting is caused, and the productivity of a production line is wasted on one hand, and resources are wasted on the other hand.
Disclosure of Invention
In order to solve the above-mentioned problems, an object of the present utility model is to provide a high-pressure injection cylinder pressurizing structure for a cold die casting machine.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cold type is strong pressure's injection oil pressure jar pressure boost structure for die casting machine, includes injection jar, pressure boost jar, connector, injection cylinder cap and pressure boost cylinder cap, slidable mounting has the pressure boost pole piston in the pressure boost jar, fixed mounting has the pressure boost pole in the pressure boost pole piston, set up the pressure boost pole mounting hole that link up in the pressure boost pole, the check valve is installed to the one end cooperation of pressure boost pole and the pressure boost pole mounting hole cooperation sets up, be equipped with the installation cavity in the connector, slidable mounting has the injection pole piston in the injection cylinder cap, the injection oil port has been seted up on the injection cylinder cap, the one end of injection oil port extends to between injection cylinder cap and the injection pole piston, the injection oil inlet has been seted up on the connector, the one end of injection oil port extends to between connector and the injection pole piston, the pressure boost oil inlet has been seted up on the pressure boost cylinder cap, the one end of pressure boost extends to the pressure boost cylinder cap inboard, the connection is connected to the pressure boost pole piston.
Preferably, a push rod is fixedly arranged in the supercharging cylinder cover, a push rod piston is sleeved and fixed on the push rod, and the push rod piston is in sliding fit with the supercharging rod mounting hole.
Preferably, the pressurizing rod is provided with a communicating hole, and the communicating hole is communicated with the mounting cavity and the pressurizing rod mounting hole.
Preferably, the two ends of the connecting body are respectively matched with an injection cylinder and a pressurizing cylinder, the injection cylinder cover is matched with one end of the injection cylinder, and the pressurizing cylinder cover is matched with one end of the pressurizing cylinder.
Preferably, the shooting pot and the pressure cylinder are coaxially arranged with the connecting body.
Preferably, an injection rod is fixedly installed in the injection rod piston, and one end of the injection rod penetrates through the injection cylinder cover and extends to the outside.
Preferably, the communication direction of the one-way valve is the direction from the pressurizing cylinder to the shooting cylinder, the pressurizing rod mounting holes are formed by penetrating through the two ends, and the pressurizing rod penetrates through the mounting cavity and is in sliding fit with the connecting body.
Preferably, the ejector rod and the pressurizing rod mounting hole are coaxially arranged, the one-way valve is an ejector type one-way valve, and the ejector rod and the one-way valve are matched.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model can continuously extrude the die casting liquid injected into the die through the injection cylinder again through the pressurizing operation, thereby facilitating the molding of the die casting, preventing the situation of incomplete die casting and reducing the waste of resources.
2. The injection operation mode and the pressurization operation mode in the utility model are different, so that each operation can be separated, when the injection operation starts to operate, the pressurization operation can also operate according to the setting, so that the pressure generated when the injection cylinder and the pressurization cylinder operate acts on the molten metal liquid in the die at the same time, the pressure applied to the molten metal liquid is stronger, the molecular structure of the die casting is tighter, the air holes are fewer, and the strength of the die casting is further improved.
Drawings
Fig. 1 is a schematic diagram of the basic structure of the present utility model.
Fig. 2 is a schematic view of a first embodiment of the present utility model.
FIG. 3 is a schematic view of a second embodiment of the present utility model.
FIG. 4 is a schematic diagram of the positioning ranges of the injection stroke and the pressurization stroke according to the present utility model.
Fig. 5 is a schematic diagram of oil inlet/outlet/stop conveying of each oil port when the injection rod of the present utility model is injecting.
Fig. 6 is a schematic diagram of the oil inlet/outlet/stop of the delivery of each port when pressurizing the injection rod according to the present utility model.
Fig. 7 is a schematic diagram of the present utility model for feeding/discharging/stopping the delivery of oil to/from each port when the injection rod is de-pressurized.
Fig. 8 is a schematic view of the oil inlet/outlet/delivery stop of each port when the present utility model is stopped.
In the figure: 101. a shooting pot; 102. a pressurizing cylinder; 1021. a pressure increasing lever; 1022. a booster rod piston; 1023. a pressure increasing lever mounting hole; 1024. a push rod piston; 1025. a communication hole; 103. a connecting body; 1031. an injection oil inlet; 1032. a supercharging oil outlet; 1033. an oil outlet of the shooting pot; 1034. a mounting cavity; 104. injecting the cylinder cover; 1041. an oil injection outlet; 105. a supercharging cylinder cover; 1051. a boost oil inlet; 106. an ejection rod; 1061. an ejection rod piston; 107. a push rod; 108. a one-way valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 and 8, the strong-pressure injection hydraulic cylinder pressurizing structure for a cold die casting machine provided by the present embodiment includes an injection cylinder 101, a pressurizing cylinder 102, a connecting body 103, an injection cylinder cover 104 and a pressurizing cylinder cover 105, wherein the injection cylinder 101 and the pressurizing cylinder 102 are respectively mounted at two ends of the connecting body 103 in a matching manner, the injection cylinder cover 104 is mounted at one end of the injection cylinder 101 in a matching manner, the pressurizing cylinder cover 105 is mounted at one end of the pressurizing cylinder 102 in a matching manner, the injection cylinder 101, the pressurizing cylinder 102 and the connecting body 103 are coaxially arranged, the injection cylinder 101 and the pressurizing cylinder 102 are respectively mounted at two ends of the connecting body 103 in a clamping manner, the injection cylinder cover 105 is mounted at one end of the pressurizing cylinder 102 in a clamping manner, the injection cylinder 101 and the pressurizing cylinder 102 are coaxially arranged, the injection cylinder cover 104 is provided with an injection outlet 1041, one end of the injection outlet 1041 extends between the injection cylinder cover 104 and the injection rod piston 1061, the connecting body 103 is provided with an injection cylinder outlet 1033, and one end of the injection cylinder outlet 103 extends between the connecting body 103 and the injection rod 1061.
The pressurizing rod piston 1022 is slidably mounted in the pressurizing cylinder 102, the pressurizing rod 1021 is fixedly mounted in the pressurizing rod piston 1022, a through pressurizing rod mounting hole 1023 is formed in the pressurizing rod 1021, one end of the pressurizing rod 1021 is provided with the one-way valve 108 in a matched mode and is arranged in a matched mode with the pressurizing rod mounting hole 1023, the connecting body 103 is internally provided with the mounting cavity 1034, the injecting rod piston 1061 is slidably mounted in the injecting cylinder 101, the pressurizing rod 1021 is located inside the pressurizing cylinder 102 and is coaxially arranged with the pressurizing cylinder, a space between the pressurizing rod 1021, the pressurizing cylinder 102 and the connecting body 103 is a temporary storage position of pressurizing oil, a pressurizing oil outlet 1032 is formed in the connecting body 103, one end of the pressurizing oil outlet 1032 extends to the space between the pressurizing rod 1021, the pressurizing cylinder 102 and the connecting body 103, and the pressurizing rod 1021, and when pressurizing operation is performed, the upper end of the pressurizing rod 1021 is inserted into the injecting cylinder 101, stronger pressure is provided, the molecular structure of a die casting is made to be tighter, air holes are fewer, and strength of the die casting is further improved.
The ejector rod 107 is fixedly arranged in the booster cylinder cover 105, the ejector rod piston 1024 is sleeved and fixed on the ejector rod 107, the ejector rod piston 1024 is in sliding fit with the booster rod mounting hole 1023, the booster rod 1021 is provided with a communication hole 1025, the communication hole 1025 is communicated with the mounting cavity 1034 and the booster rod mounting hole 1023, the ejector rod 106 is fixedly arranged in the ejector rod piston 1061, one end of the ejector rod 106 penetrates through the ejector cylinder cover 104 and extends to the outside, the connector 103 is provided with an ejection oil inlet 1031, one end of the ejection oil inlet 1031 extends to the mounting cavity 1034, and the ejection oil inlet 1031 is communicated with the inner side of the ejection cylinder 101 through the mounting cavity 1034, the communication hole 1025 and the check valve 108.
The direction of communication of check valve 108 is the direction from pressure boost jar 102 to shooting pot 101, and pressure boost pole mounting hole 1023 is the both ends and link up the setting, and pressure boost pole 1021 runs through installation cavity 1034 and with connector 103 sliding fit, ejector pin 107 and pressure boost pole mounting hole 1023 coaxial setting, and check valve 108 is the open check valve in top, and ejector pin 107 and check valve 108 cooperation setting have offered pressure boost oil inlet 1051 on the pressure boost cylinder cap 105, and pressure boost oil inlet 1051's one end extends to pressure boost cylinder cap 105 inboard, and pressure boost pole mounting hole 1023 is linked together with pressure boost cylinder cap 105.
When the injection molding machine is used, the first injection operation is completed, the pressurizing oil outlet 1032, the injection cylinder oil outlet 1033 and the pressurizing oil inlet 1051 are required to be closed in the injection operation, hydraulic oil is controlled to enter through the injection oil inlet 1031, then sequentially passes through the mounting cavity 1034, the communication hole 1025, the pressurizing rod mounting hole 1023 and the check valve 108, finally enters between the injection rod piston 1061 and the connecting body 103, at the moment, the injection oil outlet 1041 is opened, so that the hydraulic oil between the injection cylinder 101 and the injection cylinder cover 104 is discharged from the injection oil outlet 1041, and the injection rod 106 can be ejected upwards through the operation;
the next step of the injection operation is a pressurizing operation, the pressurizing operation needs to close the pressurizing oil outlet 1032, hydraulic oil is controlled to enter through the injection oil inlet 1031 and the entering pressurizing oil inlet 1051, the operation principle of the injection oil inlet 1031 is the same as that of the injection operation, the hydraulic oil filled in the pressurizing oil inlet 1051 enters the pressurizing rod mounting hole 1023 and the pressurizing cylinder 102, at the moment, the pressurizing rod piston 1022 moves upwards under the action of pressure, so that the upper end of the pressurizing rod 1021 enters the injection cylinder 101, the pressure in the injection cylinder 101 is increased, and the pressurizing operation is completed;
when the die casting is completed and the oil removing operation of the device is performed, the injection oil inlet 1031 needs to be closed, hydraulic oil is controlled to enter between the injection cylinder cover 104 and the injection rod piston 1061 through the injection oil outlet 1041, the injection rod 106 is moved downwards to return to the pre-working position, hydraulic oil between the connecting body 103 and the injection rod piston 1061 is discharged from the injection cylinder oil outlet 1033, hydraulic oil is controlled to enter between the connecting body 103 and the pressurizing rod piston 1022 through the pressurizing oil outlet 1032, the pressurizing rod 1021 is moved downwards to exit the injection cylinder 101, the hydraulic oil is discharged from the pressurizing oil inlet 1051 in the pressurizing rod mounting hole 1023 and the pressurizing cylinder 102, and the next injection and pressurizing operation can be performed after all parts return to the pre-working position.
The continuous extrusion of the die casting liquid injected into the die through the injection cylinder 101 can be performed again through the pressurizing operation, so that the die casting liquid is convenient to form, the situation of die casting defect is prevented, and the waste of resources is reduced; the injection operation mode and the pressurization operation mode in the utility model are different, so that each operation can be separated, when the injection operation starts to operate, the pressurization operation can also operate according to the setting, so that the pressure generated when the injection cylinder 101 and the pressurization cylinder operate acts on the molten metal liquid in the die at the same time, the pressure applied to the molten metal liquid is stronger, the molecular structure of the die casting is tighter, the air holes are fewer, and the strength of the die casting is further improved.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a cold type injection oil pressure jar pressure boost structure of strong pressure for die casting machine which characterized in that: comprises an injection cylinder (101), a booster cylinder (102), a connecting body (103), an injection cylinder cover (104) and a booster cylinder cover (105), wherein the booster cylinder (102) is internally and slidably provided with a booster rod piston (1022), the booster rod piston (1022) is internally and fixedly provided with a booster rod (1021), a through booster rod mounting hole (1023) is formed in the booster rod (1021), one end of the booster rod (1021) is matched with a one-way valve (108) and is matched with the booster rod mounting hole (1023), a mounting cavity (1034) is formed in the connecting body (103), the injection cylinder cover (101) is internally and slidably provided with the injection rod piston (1061), an injection outlet (1041) is formed in the injection cylinder cover (104), one end of the injection outlet (1041) extends to a position between the injection cylinder cover (104) and the injection rod piston (1061), one end of the injection inlet (1031) is formed in the connecting body (103), one end of the injection inlet (1031) extends to the mounting cavity (108) and is matched with the booster rod mounting hole (1023), one end of the injection outlet (1033) extends to the injection cylinder cover (1033), one end of the pressure boost oil inlet (1051) extends to the inner side of the pressure boost cylinder cover (105), the pressure boost rod mounting hole (1023) is communicated with the pressure boost cylinder cover (105), the connecting body (103) is provided with a pressure boost oil outlet (1032), and one end of the pressure boost oil outlet (1032) extends to a position between the connecting body (103) and the pressure boost rod piston (1022).
2. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 1, wherein: the supercharging cylinder head (105) is internally and fixedly provided with a push rod (107), the push rod (107) is sleeved and fixed with a push rod piston (1024), and the push rod piston (1024) is in sliding fit with the supercharging rod mounting hole (1023).
3. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 1, wherein: the pressurizing rod (1021) is provided with a communication hole (1025), and the communication hole (1025) is communicated with the mounting cavity (1034) and the pressurizing rod mounting hole (1023).
4. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 1, wherein: the two ends of the connecting body (103) are respectively matched with the injection cylinder (101) and the pressurizing cylinder (102), the injection cylinder cover (104) is matched with one end of the injection cylinder (101), and the pressurizing cylinder cover (105) is matched with one end of the pressurizing cylinder (102).
5. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 1, wherein: the shooting pot (101) and the pressurizing pot (102) are coaxially arranged with the connecting body (103).
6. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 5, wherein: an injection rod (106) is fixedly arranged in the injection rod piston (1061), and one end of the injection rod (106) penetrates through the injection cylinder cover (104) and extends to the outside.
7. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 1, wherein: the direction of communication of the check valve (108) is from the pressurizing cylinder (102) to the shooting pot (101), the pressurizing rod mounting holes (1023) are formed through the two ends, and the pressurizing rod (1021) penetrates through the mounting cavity (1034) and is in sliding fit with the connecting body (103).
8. The strong-pressure injection cylinder pressurizing structure for a cold die casting machine according to claim 2, wherein: the ejector rod (107) and the pressurizing rod mounting hole (1023) are coaxially arranged, the one-way valve (108) is an ejector type one-way valve, and the ejector rod (107) and the one-way valve (108) are matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229973.7U CN219561352U (en) | 2023-02-16 | 2023-02-16 | Injection oil pressure cylinder supercharging structure with strong pressure for cold die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229973.7U CN219561352U (en) | 2023-02-16 | 2023-02-16 | Injection oil pressure cylinder supercharging structure with strong pressure for cold die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219561352U true CN219561352U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320229973.7U Active CN219561352U (en) | 2023-02-16 | 2023-02-16 | Injection oil pressure cylinder supercharging structure with strong pressure for cold die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219561352U (en) |
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2023
- 2023-02-16 CN CN202320229973.7U patent/CN219561352U/en active Active
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