CN218717806U - Damping die sinking oil circuit structure - Google Patents
Damping die sinking oil circuit structure Download PDFInfo
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- CN218717806U CN218717806U CN202222296174.XU CN202222296174U CN218717806U CN 218717806 U CN218717806 U CN 218717806U CN 202222296174 U CN202222296174 U CN 202222296174U CN 218717806 U CN218717806 U CN 218717806U
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Abstract
The utility model relates to an injection moulding device field, in particular to damping die sinking oil circuit structure. The mould locking oil cylinder and the mould locking oil cylinder are connected through a first switching mechanism and a second switching mechanism, and a third switching mechanism is arranged between the mould locking oil cylinder and the second switching mechanism. The problem of when the mould opening, the mode locking hydro-cylinder produces abnormal sound and shake because of the overshoot that high-pressure large-traffic hydraulic oil led to is solved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an injection moulding device field, in particular to damping die sinking oil circuit structure.
[ background of the invention ]
The injection molding machine mainly comprises a mold part, an injection part, a hydraulic transmission system and an electric control system, and a hydraulic system serving as a power source is one of important components of the injection molding machine. Along with the development of society, people have more and more big demands on injection molding products, and the processing production efficiency of injection molding machines is especially important. In the production cycle of an injection molding machine, the processes of mold opening and mold closing are important parts in the whole injection molding cycle; the mold opening is to separate the upper mold from the lower mold, take out the products in the forming cavity of the upper mold and the lower mold, and in the first section of mold opening of the injection molding machine, the rod cavity of the mold locking oil cylinder is returned oil, so that the static mold is changed into dynamic one, and at the moment of mold opening, the rod cavity of the mold locking oil cylinder always needs high-pressure large-flow hydraulic oil to push the static mold to realize mold opening, but after the mold opening is opened, the rod cavity can be over-quickly and always forms oil cylinder overshoot, so that the oil cylinder generates abnormal sound and shaking, and the service life of the oil cylinder is influenced.
[ Utility model ] content
The invention aims to provide a damping die sinking oil path structure which has a damping effect and solves abnormal sound and vibration of an oil cylinder during die sinking, aiming at the defects of the prior art.
Aiming at the problems, the invention adopts the following technical scheme:
the utility model provides a damping die sinking oil circuit structure, includes mode locking hydro-cylinder, oil supply unit and oil tank, the mode locking hydro-cylinder respectively with oil supply unit and oil tank intercommunication, the mode locking hydro-cylinder is including pole chamber and rodless chamber, be equipped with first conversion mechanism and second shifter between oil supply unit and the mode locking hydro-cylinder, first conversion mechanism communicates with oil supply unit and second shifter respectively, second shifter and mode locking hydro-cylinder intercommunication, be equipped with the third shifter between mode locking hydro-cylinder and the second shifter, the third shifter all communicates with mode locking hydro-cylinder and second shifter, be equipped with the damping component between third conversion and the oil tank.
Preferably, first conversion mechanism includes first solenoid valve, be equipped with hydraulic fluid port P, hydraulic fluid port B, hydraulic fluid port T and hydraulic fluid port A on the first solenoid valve, hydraulic fluid port P and oil supply unit intercommunication, hydraulic fluid port A and oil supply unit intercommunication, hydraulic fluid port B and second conversion mechanism intercommunication, hydraulic fluid port T and second conversion mechanism intercommunication, first conversion mechanism can make hydraulic fluid port P and hydraulic fluid port A intercommunication, hydraulic fluid port B and hydraulic fluid port T intercommunication or make hydraulic fluid port A and hydraulic fluid port T intercommunication, hydraulic fluid port P and hydraulic fluid port B intercommunication.
Preferably, the second switching mechanism comprises a second electromagnetic valve, the second electromagnetic valve is provided with an oil port P1, an oil port B1, an oil port T1 and an oil port A1, the oil port P1 is respectively communicated with the oil port P and the oil port A, the oil port A1 is respectively communicated with a rodless cavity and a third switching mechanism, the oil port B1 is communicated with a rod cavity, the oil port T1 is communicated with an oil tank through a damping member, the oil port T1 is communicated with the third switching mechanism, and the second switching mechanism can enable the oil port P1 to be communicated with the oil port A1, the oil port B1 to be communicated with the oil port T1 or enable the oil port A1 to be communicated with the oil port T1 and the oil port P1 to be communicated with the oil port B1.
Preferably, the third conversion mechanism includes a third electromagnetic valve, the third electromagnetic valve is provided with an oil port P2, an oil port B2, an oil port T2 and an oil port A2, the oil port P2 is communicated with the oil tank through a damping member, the oil port P2 is communicated with the oil port T1, the oil port A2 is communicated with the oil tank through an oil pipe, the oil port B2 is respectively communicated with the oil port rodless cavity and the oil port A1, and the third conversion mechanism can communicate the oil port P2 with the oil port A2 or communicate the oil port P2 with the oil port B2.
Preferably, the damping component includes the oil circuit board, the last damping through-hole of having seted up of oil circuit board, the entry end of damping through-hole is equipped with first entry and second entry, first entry and hydraulic fluid port P2 intercommunication, the second entry communicates with hydraulic fluid port T1, the exit end of damping through-hole passes through oil pipe and oil tank intercommunication.
Preferably, the diameter of the damping through hole is 1.5 mm.
The utility model relates to a damping die sinking oil circuit structure's beneficial effect as follows:
the utility model relates to a damping die sinking oil circuit structure is through setting up first converting mechanism, second converting mechanism and third converting mechanism, during the die sinking, and S2 has got the electricity for the hydraulic oil in rodless chamber can get into the damping component through hydraulic fluid port B2 and P2, and it has the fast problem of pole chamber oil return to solve, thereby realizes the damping effect, makes the die locking hydro-cylinder can slow die sinking. After the die is opened, the oil port B2 is not electrified, and the oil port B2 is communicated with the oil port T2, so that an oil way is blocked, and hydraulic oil respectively enters the damping member, the oil port P2 and the oil port A2 to enter the oil tank after passing through the oil port A1 and the oil port T1, so that the die is opened quickly. Through the oil circuit design, the problems that abnormal sound and vibration are generated due to overshoot caused by high-pressure large-flow hydraulic oil of the mold locking oil cylinder when the mold is opened are solved.
The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.
[ description of the drawings ]
FIG. 1 is a schematic view of the present invention;
a mold locking cylinder 100; an oil supply device 110; a fuel tank 120; a rod cavity 101; a rodless cavity 102; an oil port P; an oil port B; an oil port T; an oil port A; an oil port P1; an oil port B1; an oil port T1; an oil port A1; an oil port P2; an oil port B2; an oil port T2; an oil port A2; a damping through hole 300; a first spring 410; a second spring 420; a third spring 430; a fourth spring 440; a third solenoid pilot valve S1; a fourth solenoid pilot valve S2; a second solenoid pilot valve S3; a first solenoid pilot valve S26.
[ detailed description ] embodiments
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, moreover, unless otherwise indicated,
the meaning of "plurality" or "a number" is two or more.
Referring to fig. 1, fig. 1 shows a preferred embodiment of a damping mold opening oil path structure:
a damping mould opening oil circuit structure can comprise a mould locking oil cylinder 100, an oil supply device 110 and an oil tank 120, wherein the mould locking oil cylinder 100 is respectively communicated with the oil supply device 110 and the oil tank 120, and the oil supply device 110 can be an oil pump or other equipment and is conventional equipment in the field; the mold locking cylinder 100 includes a rod cavity 101 and a rodless cavity 102.
It is understood that the clamping cylinder 100 comprises a piston rod, a rod chamber 101 is formed on one side of the piston rod, and a rodless chamber 102 is formed on the side without the piston rod.
A first conversion mechanism and a second conversion mechanism are arranged between the oil supply device 110 and the mold locking oil cylinder 100, the first conversion mechanism is respectively communicated with the oil supply device 110 and the second conversion mechanism, and the second conversion mechanism is communicated with the mold locking oil cylinder 100; in this embodiment, the first conversion mechanism includes a first solenoid valve, be equipped with hydraulic fluid port P, hydraulic fluid port B, hydraulic fluid port T and hydraulic fluid port a on the first solenoid valve, hydraulic fluid port P and oil supply unit 110 intercommunication, hydraulic fluid port a and oil supply unit 110 intercommunication, hydraulic fluid port B and second conversion mechanism intercommunication, hydraulic fluid port T and second conversion mechanism intercommunication, the first conversion mechanism can make hydraulic fluid port P and hydraulic fluid port a intercommunication, hydraulic fluid port B and hydraulic fluid port T intercommunication or make hydraulic fluid port a and hydraulic fluid port T intercommunication, hydraulic fluid port P and hydraulic fluid port B intercommunication.
Illustratively, the first solenoid valve adopts a two-position four-way valve, the left side of the first solenoid valve is provided with a first solenoid pilot valve S26 and a first spring 410, and the first solenoid pilot valve S26 and the first spring 410 are connected with a valve core of the first solenoid valve. When the first electromagnetic pilot valve S26 is electrified, the valve core is moved rightwards, the oil port A is communicated with the oil port T, and the oil port P is communicated with the oil port B; when the first solenoid pilot valve S26 is not energized, the first spring 410 is reset, so that the valve core moves leftward, the oil port a communicates with the oil port P, and the oil port B communicates with the oil port T.
The embodiment of the application provides the second shifter includes the second solenoid valve, be equipped with hydraulic fluid port P1 on the second solenoid valve, hydraulic fluid port B1, hydraulic fluid port T1 and hydraulic fluid port A1, hydraulic fluid port P1 communicates with hydraulic fluid port P and hydraulic fluid port A respectively, hydraulic fluid port A1 with respectively with rodless chamber 102 and third shifter intercommunication, hydraulic fluid port B1 with have pole chamber 101 intercommunication, hydraulic fluid port T1 passes through damping member and oil tank 120 intercommunication, hydraulic fluid port T1 and third shifter intercommunication, the second shifter can make hydraulic fluid port P1 and hydraulic fluid port A1 intercommunication, hydraulic fluid port B1 and hydraulic fluid port T1 intercommunication or make hydraulic fluid port A1 and hydraulic fluid port T1 intercommunication, hydraulic fluid port P1 and hydraulic fluid port B1 intercommunication.
Exemplarily, the second electromagnetic valve adopts a three-position four-way valve, the left side of the second electromagnetic valve is provided with a second electromagnetic pilot valve S3 and a second spring 420, the right side of the second electromagnetic pilot valve is provided with a third electromagnetic pilot valve S1 and a third spring 430, the second electromagnetic pilot valve S3, the second spring 420, the third electromagnetic pilot valve S1 and the third spring 430 are all connected with the valve core, when the second electromagnetic pilot valve S3 and the third electromagnetic pilot valve S1 are not electrified, the oil port P1, the oil port B1, the oil port T1 and the oil port A1 are not communicated, when the second electromagnetic pilot valve S3 is electrified, the valve core moves rightwards to enable the oil port A1 to be communicated with the oil port T1, and the oil port P1 is communicated with the oil port B1. When the third electromagnetic pilot valve S1 is electrified, the valve core moves leftwards, so that the oil port A1 is communicated with the oil port P1, and the oil port B1 is communicated with the oil port T1.
And a third conversion mechanism is arranged between the mold locking oil cylinder 100 and the second conversion mechanism, the third conversion mechanism is communicated with the mold locking oil cylinder 100 and the second conversion mechanism, and a damping member is arranged between the third conversion mechanism and the oil tank 120.
The third shifter that this application embodiment provided includes the third solenoid valve, be equipped with hydraulic fluid port P2 on the third solenoid valve, hydraulic fluid port B2, hydraulic fluid port T2 and hydraulic fluid port A2, hydraulic fluid port P2 passes through damping member and oil tank 120 intercommunication, hydraulic fluid port P2 and hydraulic fluid port T1 intercommunication, hydraulic fluid port A2 passes through oil pipe and oil tank 120 intercommunication, hydraulic fluid port B2 communicates with hydraulic fluid port rodless chamber 102 and hydraulic fluid port A1 respectively, the third shifter can make hydraulic fluid port P2 and hydraulic fluid port A2 intercommunication or make hydraulic fluid port P2 and hydraulic fluid port B2 intercommunication.
Illustratively, the third electromagnetic valve adopts a two-position four-way valve, the third electromagnetic valve is provided with a valve core, the left side of the third electromagnetic valve is provided with a fourth spring 440, and the right side of the third electromagnetic valve is provided with a fourth electromagnetic pilot valve S2, when the third electromagnetic pilot valve is not electrified, under the action of the fourth spring 440, the oil port A2 is communicated with the oil port P2, and the oil port B2 is communicated with the oil port T2; when the fourth electromagnetic pilot valve S2 is electrified, the valve core moves rightwards, so that the oil port A2 is communicated with the oil port T2, and the oil port B2 is communicated with the oil port P2.
It should be understood that the fourth solenoid pilot valve S2 is energized for 3 seconds, and after the 3 seconds, the fourth solenoid pilot valve S2 is not energized, so that the hydraulic oil enters the oil port T1 from the oil port A1 and then flows back to the oil port P2 and the oil port A2, and the mold opening speed is increased.
The damping component that this application embodiment provided includes the oil circuit board, damping through-hole 300 has been seted up on the oil circuit board, damping through-hole 300's entry end is equipped with first entry and second entry, first entry and hydraulic fluid port P2 intercommunication, the second entry and hydraulic fluid port T1 intercommunication, damping through-hole 300's exit end passes through oil pipe and oil tank 120 intercommunication.
Illustratively, the diameter of the damping through hole 300 is 1.5 mm, when the mold opening occurs, the fourth solenoid pilot valve S2 is energized, the valve core moves rightward, so that the oil port A2 is communicated with the oil port T2, the oil port B2 is communicated with the oil port P2, hydraulic oil in the rodless cavity 102 enters the oil port P2 from the oil port B2 and enters the damping through hole 300 from the first inlet, and then flows into the oil tank 120 from the outlet end, because the diameter of the damping through hole 300 is 1.5 mm, the volume of the hydraulic oil is small, so that the oil return speed of the rod cavity 101 is slow, the problem of fast oil return of the rod cavity 101 is solved, thereby realizing the damping effect, and enabling the mold locking oil cylinder 100 to slowly open the mold.
The working principle of the embodiment is as follows:
when the mold locking oil cylinder 100 is opened, the fourth solenoid pilot valve S2, the second solenoid pilot valve S3 and the first solenoid pilot valve S26 are electrified, at the moment, the hydraulic oil flows in the direction from the oil port P to the oil port B, the oil port B flows to the oil port P1, the oil port P1 flows to the oil port B1, the oil port B1 flows to the rod cavity 101, the rodless cavity 102 partially flows to the oil port B2, the oil port B2 flows to the oil port P2, and the oil port P2 flows to the damping through hole 300 to the oil tank 120 through the first inlet; the other part of the rodless cavity 102 flows to the oil port A1, the oil port A1 flows to the oil port T1, and since the hydraulic oil of the oil port B2 at this time flows to the oil port P2 positively, the hydraulic oil of the oil port T1 can only flow to the second inlet, and the second inlet flows to the damping through hole 300 to the oil tank 120, so that the oil return speed of the rod cavity 101 is slow, the problem of fast oil return of the rod cavity 101 is solved, and the damping effect is realized. The fourth solenoid pilot valve S2 is powered off after being powered on for 3 seconds, the second solenoid pilot valve S3 and the first solenoid pilot valve S26 are powered on continuously, at this time, the oil port A2 is communicated with the oil port P2, the oil port B2 is communicated with the oil port T2, a part of hydraulic oil of the oil port T1 can flow from the damping through hole 300 to the oil tank 120, and a large part of hydraulic oil flows into the oil port A2 from the oil port P2 to enter the oil tank 120, so that the speed of opening the die is increased.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a damping die sinking oil circuit structure which characterized in that: including mode locking hydro-cylinder (100), oil supply unit (110) and oil tank (120), mode locking hydro-cylinder (100) communicate with oil supply unit (110) and oil tank (120) respectively, mode locking hydro-cylinder (100) are including pole chamber (101) and rodless chamber (102), be equipped with first conversion mechanism and second conversion mechanism between oil supply unit (110) and mode locking hydro-cylinder (100), first conversion mechanism respectively with oil supply unit (110)
The mold locking mechanism is communicated with a second conversion mechanism, the second conversion mechanism is communicated with a mold locking oil cylinder (100), a third conversion mechanism is arranged between the mold locking oil cylinder (100) and the second conversion mechanism, the third conversion mechanism is communicated with the mold locking oil cylinder (100) and the second conversion mechanism, and a damping member is arranged between the third conversion mechanism and an oil tank (120).
2. The damping die sinking oil path structure as claimed in claim 1, wherein: the first conversion mechanism comprises a first electromagnetic valve, wherein an oil port P, an oil port B, an oil port T and an oil port A are arranged on the first electromagnetic valve, the oil port P is communicated with the oil supply device (110), the oil port A is communicated with the oil supply device (110), the oil port B is communicated with the second conversion mechanism, the oil port T is communicated with the second conversion mechanism, and the first conversion mechanism can enable the oil port P to be communicated with the oil port A, the oil port B to be communicated with the oil port T or enable the oil port A to be communicated with the oil port T, and the oil port P to be communicated with the oil port B.
3. The damping die sinking oil path structure as claimed in claim 2, wherein: the second switching mechanism comprises a second electromagnetic valve, wherein an oil port P1, an oil port B1, an oil port T1 and an oil port A1 are arranged on the second electromagnetic valve, the oil port P1 is communicated with the oil port P and the oil port A respectively, the oil port A1 is communicated with a rodless cavity (102) and a third switching mechanism respectively, the oil port B1 is communicated with a rod cavity (101), the oil port T1 is communicated with an oil tank (120) through a damping member, the oil port T1 is communicated with the third switching mechanism, and the second switching mechanism can enable the oil port P1 to be communicated with the oil port A1, the oil port B1 to be communicated with the oil port T1 or enable the oil port A1 to be communicated with the oil port T1, and the oil port P1 to be communicated with the oil port B1.
4. The damping die sinking oil path structure as claimed in claim 3, wherein: the third switching mechanism comprises a third electromagnetic valve, wherein an oil port P2, an oil port B2, an oil port T2 and an oil port A2 are arranged on the third electromagnetic valve, the oil port P2 is communicated with the oil tank (120) through a damping member, the oil port P2 is communicated with the oil port T2, the oil port A2 is communicated with the oil tank (120) through an oil pipe, the oil port B2 is respectively communicated with the oil port rodless cavity (102) and the oil port A2, and the third switching mechanism can enable the oil port P2 to be communicated with the oil port A2 or the oil port P2 to be communicated with the oil port B2.
5. The damping die sinking oil path structure according to claim 4, characterized in that: the damping component comprises an oil circuit board, a damping through hole (300) is formed in the oil circuit board, a first inlet and a second inlet are formed in the inlet end of the damping through hole (300), the first inlet is communicated with the oil port P2, the second inlet is communicated with the oil port T1, and the outlet end of the damping through hole (300) is communicated with the oil tank (120) through an oil pipe.
6. The damping die sinking oil path structure as claimed in claim 5, wherein: the diameter of the damping through hole (300) is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296174.XU CN218717806U (en) | 2022-08-30 | 2022-08-30 | Damping die sinking oil circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296174.XU CN218717806U (en) | 2022-08-30 | 2022-08-30 | Damping die sinking oil circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717806U true CN218717806U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222296174.XU Active CN218717806U (en) | 2022-08-30 | 2022-08-30 | Damping die sinking oil circuit structure |
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| Country | Link |
|---|---|
| CN (1) | CN218717806U (en) |
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2022
- 2022-08-30 CN CN202222296174.XU patent/CN218717806U/en active Active
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