CN213002554U - Integral storage ejection piston - Google Patents
Integral storage ejection piston Download PDFInfo
- Publication number
- CN213002554U CN213002554U CN202021926854.XU CN202021926854U CN213002554U CN 213002554 U CN213002554 U CN 213002554U CN 202021926854 U CN202021926854 U CN 202021926854U CN 213002554 U CN213002554 U CN 213002554U
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- piston
- transmission rod
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a piston is jetted out in integral type storage installs in spouting a shelf, include: the injection piston body is rotatably arranged in the piston cavity and can linearly move along the piston cavity; the injection piston body is provided with a piston, a first transmission rod and a second transmission rod which are respectively connected to two sides of the piston, and the piston, the first transmission rod and the second transmission rod are of an integrated structure; the end part of the first transmission rod is provided with a first spline groove, and the first spline groove is used for being connected with an external screw; and a second spline groove is formed in the end part of the second transmission rod and is used for being connected with an external motor shaft. The utility model relates to a piston is difficult to produce and damages in integral type storage ejection, and long service life can realize penetrating the material and the pressure boost when higher oil pressure, can satisfy the thick heavy piece of magnesium alloy and need the demand that many materials were filled.
Description
Technical Field
The utility model relates to a magnesium alloy jets out shaping technical field, in particular to piston is jetted out in integral type storage.
Background
At present, semi-solid magnesium alloy products are mainly produced by matching an injection molding machine with a mold. When the magnesium alloy is formed by semi-solid injection, the magnesium in the semi-solid state of the magnesium alloy has weak fluidity and needs to enter a die cavity through high-pressure and high-speed filling, and the magnesium alloy product has high compactness and higher strength by pressurization.
An injection piston is arranged in the injection molding machine, and the magnesium alloy is driven to move forwards at high pressure and high speed by an oil cylinder so as to perform semi-solid injection molding on the magnesium alloy. A conventional injection piston (as shown in fig. 1) generally comprises a piston and a spline shaft, wherein the piston is divided into two halves, the two halves are connected through a flange and locked by using bolts, and the spline shaft penetrates through the piston and is rotationally connected with the piston through a bearing; one end of the spline shaft is connected with the screw, the other end of the spline shaft is connected with the motor, the motor rotates, and the spline shaft drives the screw to rotate to carry out feeding. The piston structure has certain defects: under the high-speed and high-pressure driving of the oil cylinder, the joint of the piston is easy to damage through impact, the service life is short, and a large amount of manpower and time are needed for maintenance; meanwhile, the piston structure occupies a large space, shortens the stroke of the screw rod, and cannot meet the requirement of forming a heavy magnesium alloy part needing multiple materials for filling.
Disclosure of Invention
The utility model aims to solve the problem that an integral type storage jets out piston is provided to overcome traditional piston structure and damage easily, life is short, need to spend a large amount of manpowers, time go to maintain, can not satisfy the defect that the thick heavy piece of magnesium alloy that needs many materials to fill takes shape.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an integral type storage ejection piston installs in penetrating a shelf, includes: the injection piston body is rotatably arranged in the piston cavity and can linearly move along the piston cavity; the injection piston body is provided with a piston, a first transmission rod and a second transmission rod which are respectively connected to two sides of the piston, and the piston, the first transmission rod and the second transmission rod are of an integrated structure; the end part of the first transmission rod is provided with a first spline groove, and the first spline groove is used for being connected with an external screw; and a second spline groove is formed in the end part of the second transmission rod and is used for being connected with an external motor shaft.
As a further improvement of the utility model, the piston is provided with at least one first annular groove along the circumference outside, install wear ring in the first annular groove.
As a further improvement of the utility model, the piston is provided with at least one second annular groove along the circumference outside, install the sealing washer in the second annular groove.
As a further improvement of the present invention, the piston diameter is larger than the diameter of the first transmission rod and the second transmission rod.
As a further improvement of the utility model, the piston cavity be provided with first cavity and the second cavity that the piston matches, the piston is located in the first cavity, the second transfer line is located in the second cavity, first cavity diameter is greater than second cavity diameter, first cavity with there is hydraulic oil through the hydro-cylinder pump income in the second cavity respectively.
As a further improvement of the present invention, the first transmission rod and the end of the second transmission rod and the injection sealing sleeve are installed between the injection rack.
The utility model has the advantages that: the utility model provides an integral type storage ejection piston, be provided with the injection piston body, the injection piston body is provided with the piston and connects first transfer line and the second transfer line in the piston both sides respectively, first transfer line tip is provided with the first spline groove that is used for being connected with the screw rod of outside, second transfer line tip is provided with the second spline groove that is used for being connected with the external motor axle, piston and first transfer line and second transfer line formula structure as an organic whole, under the high-speed, high-pressure drive of hydro-cylinder, the injection piston body is difficult to produce the damage, long service life, need not spend a large amount of manpower, time go to maintain, can realize shooting the material and the higher oil pressure when pressure boost; meanwhile, the integral injection piston body occupies a small space, so that the stroke of the screw rod is longer, and the requirement that the magnesium alloy thick and heavy part needs to be filled with multiple materials can be met.
Drawings
FIG. 1 is a schematic view of a prior art storage ejection piston;
figure 2 is a partial cross-sectional view of the injection piston body of the present invention;
fig. 3 is a partial cross-sectional view of the injection piston body of the present invention installed in the injection stand frame;
fig. 4 is an enlarged view of a in fig. 3 according to the present invention.
The following description is made with reference to the accompanying drawings:
1-shooting table rack; 101-piston chamber;
1011-a first chamber; 1012-second chamber;
2-injection piston body; 201-a piston;
2011 — first annular groove; 2012 — second annular groove;
202-first transfer lever; 2021 — first spline groove;
203-second transmission rod; 2031-second spline groove;
3-screw rod; 4-motor shaft;
5-wear-resistant ring; 6-sealing ring;
7-injection sealing sleeve.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.
Referring to fig. 2 to 4, the utility model provides an integral type storage ejection piston installs in penetrating a shelf 1, include: the injection piston body 2 is provided with a piston cavity 101 in the injection platform frame 1, and the injection piston body 2 is rotatably installed in the piston cavity 101 and can linearly move along the piston cavity 101. The injection piston body 2 is provided with a piston 201, and a first transmission rod 202 and a second transmission rod 203 which are respectively connected to two sides of the piston 201, the first transmission rod 202 and the second transmission rod 203 are of an integrated structure, and the diameter of the piston 201 is larger than that of the first transmission rod 202 and the second transmission rod 203. The end of the first transmission rod 202 is provided with a first spline groove 2021, and the first spline groove 2021 is used for connecting with an external screw 3; the end of the second transmission rod 203 is provided with a second spline groove 2031, and the second spline groove 2031 is used for connecting with the external motor shaft 4.
Referring to fig. 3, the piston chamber 101 is provided with a first chamber 1011 and a second chamber 1012 matching the piston 201, the piston 201 being located in the first chamber 1011 and the second transmission rod 203 being located in the second chamber 1012. Hydraulic oil is pumped into the first cavity 1011 and the second cavity 1012 through oil cylinders respectively, the diameter of the first cavity 1011 is larger than that of the second cavity 1012, the oil cylinders pump the hydraulic oil into the first cavity 1011 to drive the injection piston body 2 to move backwards, and the other oil cylinder pumps the hydraulic oil into the second cavity 1012 to drive the injection piston body 2 to eject forwards at high speed and high pressure.
Referring to fig. 4, the piston 201 is provided with two first annular recesses 2011 along the outer side of the circumference, and the wear-resistant rings 5 are installed in the two first annular recesses 2011. The piston 201 rotates in the piston chamber 101 under the driving of the external motor, and the wear-resisting ring 5 can prevent abrasion caused by rotation, thereby prolonging the service life. Piston 201 is provided with two second annular grooves 2012 that parallel along the circumference outside, and two second annular grooves 2012 are located between two first annular grooves 2011, all installs sealing washer 6 in two second annular grooves 2012, can prevent effectively that hydraulic oil from revealing.
Referring to fig. 3, injection sealing sleeves 7 are respectively installed between the end portions of the first transmission rod 202 and the second transmission rod 203 and the shooting table frame 1, and the injection sealing sleeves 7 are respectively sleeved on the first transmission rod 202 and the second transmission rod 203. First sealing rings are arranged between the outer side of the injection sealing sleeve 7 and the injection rack 1, and first sealing rings are arranged between the inner side of the injection sealing sleeve 7 and the first transmission rod 202 and the second transmission rod 203 respectively, so that hydraulic oil leakage can be effectively prevented.
When the injection piston device works, an external motor is started, the second transmission rod 203 is driven to rotate through the motor shaft 4, the screw rod 3 is synchronously driven to rotate for feeding, and meanwhile, hydraulic oil is pumped into the first cavity 1011 by the oil cylinder to drive the injection piston body 2 to move backwards so as to feed and fill; after the feeding is finished, the motor stops rotating, the other oil cylinder pumps hydraulic oil into the second cavity 1012 to drive the injection piston body 2 to drive the screw rod 3 to eject forwards at high speed and high pressure, and semi-solid magnesium alloy in the die is injected and formed.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an integral type storage ejection piston installs in penetrating a shelf (1), its characterized in that includes: the injection device comprises an injection piston body (2), wherein a piston cavity (101) is arranged in the injection table frame (1), and the injection piston body (2) is rotatably arranged in the piston cavity (101) and can linearly move along the piston cavity (101); the injection piston body (2) is provided with a piston (201), a first transmission rod (202) and a second transmission rod (203) which are respectively connected to two sides of the piston (201), and the piston (201), the first transmission rod (202) and the second transmission rod (203) are of an integrated structure; a first spline groove (2021) is formed in the end of the first transmission rod (202), and the first spline groove (2021) is used for being connected with an external screw (3); the end part of the second transmission rod (203) is provided with a second spline groove (2031), and the second spline groove (2031) is used for being connected with an external motor shaft (4).
2. The integral magazine ejector piston of claim 1, further comprising: the piston (201) is provided with at least one first annular groove (2011) along the circumference outside, and wear-resisting ring (5) is installed in first annular groove (2011).
3. The integral magazine ejector piston of claim 1, further comprising: the piston (201) is provided with at least one second annular groove (2012) along the circumference outside, install sealing washer (6) in second annular groove (2012).
4. The integral magazine ejector piston of claim 1, further comprising: the diameter of the piston (201) is larger than the diameters of the first transmission rod (202) and the second transmission rod (203).
5. The integral magazine ejector piston of claim 1, further comprising: piston chamber (101) be provided with first chamber (1011) and second chamber (1012) that piston (201) matches, piston (201) are located in first chamber (1011), second transfer line (203) is located in second chamber (1012), first chamber (1011) diameter is greater than second chamber (1012) diameter, first chamber (1011) with hydraulic oil has been pumped through the hydro-cylinder respectively in the second chamber (1012).
6. The integral magazine ejector piston of claim 1, further comprising: injection sealing sleeves (7) are mounted between the end parts of the first transmission rod (202) and the second transmission rod (203) and the shooting table rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926854.XU CN213002554U (en) | 2020-09-07 | 2020-09-07 | Integral storage ejection piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926854.XU CN213002554U (en) | 2020-09-07 | 2020-09-07 | Integral storage ejection piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213002554U true CN213002554U (en) | 2021-04-20 |
Family
ID=75474715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021926854.XU Active CN213002554U (en) | 2020-09-07 | 2020-09-07 | Integral storage ejection piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213002554U (en) |
-
2020
- 2020-09-07 CN CN202021926854.XU patent/CN213002554U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Free Trade Zone Haitian Zhisheng metal forming equipment Co.,Ltd. Assignor: KUNSHAN SHENGSHIDA MACHINERY CO.,LTD. Contract record no.: X2022980004108 Denomination of utility model: Integrated storage injection piston Granted publication date: 20210420 License type: Exclusive License Record date: 20220412 |
|
| EE01 | Entry into force of recordation of patent licensing contract |