CN113084125B - Die casting die buffer gear - Google Patents
Die casting die buffer gear Download PDFInfo
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- CN113084125B CN113084125B CN202110343405.5A CN202110343405A CN113084125B CN 113084125 B CN113084125 B CN 113084125B CN 202110343405 A CN202110343405 A CN 202110343405A CN 113084125 B CN113084125 B CN 113084125B
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- stop
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- compression spring
- piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
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Abstract
The invention relates to a die-casting die buffer mechanism which comprises a stop rod, a stop cylinder and an oil cylinder, wherein a first compression spring, a stop piston and a limiting ring are sequentially arranged in the stop cylinder from bottom to top; the hydraulic piston, the second compression spring and the plug are sequentially installed in the oil cylinder from bottom to top, the second compression spring is clamped between the hydraulic piston and the plug, a second liquid inlet and a second liquid outlet are formed in the bottom of the oil cylinder, the first liquid outlet and the second liquid inlet are communicated through an oil pipe which is connected with a first one-way valve in series, and the second liquid outlet and the first liquid inlet are communicated through an oil pipe which is connected with a second one-way valve in series. The beneficial effects are that: the buffer structure achieves the buffer purpose by utilizing the spring force of the spring to be matched with the hydraulic pressure of the hydraulic oil.
Description
Technical Field
The invention relates to the technical field of die-casting dies, in particular to a die-casting die buffer mechanism.
Background
The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: the molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressure forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defect of the blank is eliminated, the internal structure of the blank reaches the broken crystal grains in the forging state, and the comprehensive mechanical performance of the obtained blank is obviously improved.
When the die-casting die is used, impact force generated by interaction of the movable die and the fixed die can generate large vibration on the movable die and the fixed die, the movable die and the fixed die are easily damaged, and a casting can be influenced, so that a buffer mechanism needs to be installed on the die-casting die to reduce the impact force between the movable die and the fixed die.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a die-casting die buffer mechanism.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a die-casting die buffer mechanism comprises a stop rod, a stop cylinder and an oil cylinder, wherein a first compression spring, a stop piston and a limiting ring are sequentially arranged in the stop cylinder from bottom to top, the first compression spring is clamped between the stop piston and an inner bottom of the stop cylinder, a guide hole matched with the stop rod is formed in the limiting ring, and a first liquid inlet and a first liquid outlet are formed in the bottom of the stop cylinder; install hydraulic piston, second compression spring, end cap in the hydro-cylinder from bottom to top in proper order, second compression spring presss from both sides between hydraulic piston and end cap, the bottom of hydro-cylinder is equipped with a second inlet and a second liquid outlet, first liquid outlet has the oil pipe intercommunication of first check valve through establishing ties with the second inlet, second liquid outlet has the oil pipe intercommunication of second check valve through establishing ties with first inlet, all be equipped with hydraulic oil in the locking cylinder of locking piston below and the hydro-cylinder of hydraulic piston below.
Further, the locking rod includes iron stand, iron core, coil winding, iron rod head, the bottom center rigid coupling of iron stand has the iron core of perpendicular to iron stand, it has coil winding to coil on the iron core, the bottom looks spiro union of iron rod head and iron core, the top of iron rod head is equipped with the protective cylinder coaxial with the iron core, the cladding has the iron plate in the locking piston, be equipped with the through wires hole in the iron stand, the end of a thread of coil winding passes the through wires hole.
Furthermore, the bottom of the iron rod head is in an inverted circular truncated cone shape, the top of the stop piston is provided with an inverted circular truncated cone-shaped groove, and the bottom of the iron rod head is matched with the groove.
Furthermore, the iron rod seat, two ends of the stop cylinder and two ends of the oil cylinder are respectively provided with a mounting seat.
Furthermore, the bottom of the stop piston is provided with a first limiting ring for limiting the top of the first compression spring to move in the horizontal direction, and the inner bottom of the stop cylinder is provided with a limiting groove for limiting the bottom of the first compression spring to move in the horizontal direction.
Furthermore, a second limiting ring for limiting the bottom of the second compression spring to move in the horizontal direction is arranged at the top of the hydraulic piston, and a third limiting ring for limiting the bottom of the second compression spring to move in the horizontal direction is arranged at the bottom of the plug.
Furthermore, six inner holes are formed in the center of the top end of the plug.
Furthermore, a plurality of pin holes arranged according to an annular array are formed in the limiting ring.
Furthermore, a plurality of radiating fins which are parallel up and down are fixedly connected to the outer side wall of the oil cylinder.
The invention has the beneficial effects that: the stop rod is arranged on the movable die, the stop cylinder and the oil cylinder are arranged on the fixed die, when the movable die moves towards the direction of the fixed die, the stop rod is inserted into the stop cylinder from the guide hole, the stop rod applies pressure to the stop piston, the first compression spring directly applies reaction force to the stop piston, the second compression spring applies reaction force to the stop piston through the cooperation of the hydraulic piston and hydraulic oil, and the hydraulic oil can absorb vibration waves, so that the stop rod and the movable die are buffered; the buffer structure achieves the buffer purpose by utilizing the spring force of the spring to be matched with the hydraulic pressure of the hydraulic oil.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of a damper mechanism according to an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the stop lever of the present invention;
FIG. 3 is a schematic structural diagram of a stop cylinder, a first compression spring, a stop piston and a limit ring according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an oil cylinder, a hydraulic piston, a second compression spring and a plug in the embodiment of the invention;
FIG. 5 is a cross-sectional view of a stopper cylinder in an embodiment of the present invention;
FIG. 6 is a sectional view of the cylinder in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.
As shown in fig. 1 to 6, a die casting die buffering mechanism comprises a stop rod 1, a stop cylinder 2 and an oil cylinder 3, wherein a first compression spring 4, a stop piston 5 and a limiting ring 6 are sequentially installed in the stop cylinder 2 from bottom to top, the first compression spring 4 is clamped between the stop piston 5 and an inner bottom of the stop cylinder 2, a guide hole 7 matched with the stop rod 1 is formed in the limiting ring 6, and a first liquid inlet 8 and a first liquid outlet 9 are formed in the bottom of the stop cylinder 2; a hydraulic piston 10, a second compression spring 11 and a plug 12 are sequentially arranged in the oil cylinder 3 from bottom to top, the second compression spring 11 is clamped between the hydraulic piston 10 and the plug 12, a second liquid inlet 13 and a second liquid outlet 14 are arranged at the bottom of the oil cylinder 3, the first liquid outlet 9 and the second liquid inlet 13 are communicated through an oil pipe 16 which is connected with a first one-way valve 15 in series, the second liquid outlet 14 and the first liquid inlet 8 are communicated through an oil pipe 16 which is connected with a second one-way valve 17 in series, and hydraulic oil is filled in the oil cylinder 3 below the hydraulic piston 10 in the stop cylinder 2 below the stop piston 5.
In this embodiment, the stopper rod 1 includes an iron rod seat 18, an iron rod core 19, a coil winding 20, and an iron rod head 21, the iron rod core 19 perpendicular to the iron rod seat 18 is fixedly connected to the bottom center of the iron rod seat 18, the coil winding 20 is wound on the iron rod core 19, the iron rod head 21 is screwed with the bottom of the iron rod core 19, a protective cylinder 22 coaxial with the iron rod core 19 is disposed at the top of the iron rod head 21, an iron block is embedded in the stopper piston 5, a threading hole 23 is disposed in the iron rod seat 18, and a thread end of the coil winding 20 passes through the threading hole 23. The bottom of the iron rod head 21 is in an inverted truncated cone shape, and the bottom of the iron rod head 21 is matched with the groove 24. The iron rod seat 18, two ends of the stop cylinder 2 and two ends of the oil cylinder 3 are respectively provided with a mounting seat 25. The installation of iron rod seat, stopper cylinder, hydro-cylinder is convenient for. The stopper piston 5 is provided at the top thereof with a groove 24 having an inverse truncated cone shape, the stopper piston 5 is provided at the bottom thereof with a first stopper ring 26 for restricting the top of the first compression spring 4 from moving in the horizontal direction, and the stopper cylinder is provided at the inner bottom thereof with a stopper groove 27 for restricting the bottom of the first compression spring 4 from moving in the horizontal direction.
The top of the hydraulic piston 10 is provided with a second stop collar 28 for limiting the bottom of the second compression spring 11 to move in the horizontal direction, and the bottom of the plug is provided with a third stop collar 29 for limiting the bottom of the second compression spring 11 to move in the horizontal direction. According to the technical scheme, the coil winding is electrified to generate electromagnetic force to attract the stop piston to move upwards, so that the stop piston is promoted to move upwards.
In addition, in this embodiment, the top center of the plug 12 is provided with six inner holes 30. The disassembly and the assembly of the plug are convenient. The limit ring 6 is provided with a plurality of pin holes 31 arranged in an annular array. The disassembly and assembly of the limiting ring are convenient. The outer side wall of the oil cylinder 3 is fixedly connected with a plurality of radiating fins 32 which are parallel up and down. And the heat dissipation of the hydraulic oil in the oil cylinder is promoted.
In the embodiment, the stop rod is arranged on the movable die, the stop cylinder and the oil cylinder are arranged on the fixed die, when the movable die moves towards the direction of the fixed die, the stop rod is inserted into the stop cylinder from the guide hole, the stop rod applies pressure to the stop piston, the first compression spring directly applies reaction force to the stop piston, the second compression spring applies reaction force to the stop piston through the cooperation of the hydraulic piston and hydraulic oil, and the hydraulic oil can also absorb vibration waves, so that the stop rod and the movable die are buffered. When the movable die is separated from the fixed die, the restoring force of the first compression spring enables the stop piston to move upwards, and the restoring force of the second compression spring enables the hydraulic piston to move downwards, so that hydraulic oil in the oil cylinder flows into the stop cylinder.
In addition, the buffer mechanism can be used in parallel in multiple groups and also can be used in series in multiple groups.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a die casting die buffer gear which characterized in that: the stop cylinder is internally provided with a first compression spring, a stop piston and a limiting ring in sequence from bottom to top, the first compression spring is clamped between the stop piston and the inner bottom of the stop cylinder, a guide hole matched with the stop rod is formed in the limiting ring, and a first liquid inlet and a first liquid outlet are formed in the bottom of the stop cylinder; a hydraulic piston, a second compression spring and a plug are sequentially arranged in the oil cylinder from bottom to top, the second compression spring is clamped between the hydraulic piston and the plug, a second liquid inlet and a second liquid outlet are formed in the bottom of the oil cylinder, the first liquid outlet and the second liquid inlet are communicated through an oil pipe which is connected with a first one-way valve in series, the second liquid outlet and the first liquid inlet are communicated through an oil pipe which is connected with a second one-way valve in series, and hydraulic oil is filled in the stopping cylinder below the stopping piston and the oil cylinder below the hydraulic piston; the stop rod includes iron stand, iron core, coil winding, iron rod head, the bottom center rigid coupling of iron stand has the iron core of perpendicular to iron stand, it has coil winding to coil on the iron core, iron rod head and the bottom looks spiro union of iron core, the top of iron rod head is equipped with the protective cylinder coaxial with the iron core, the package has the iron plate in the locking piston, be equipped with the through wires hole in the iron stand, the end of a thread of coil winding passes the through wires hole.
2. The die casting die cushion mechanism of claim 1, wherein: the bottom of iron club head is inverted circular truncated cone shape, the top of stopper piston is equipped with the recess of inverted circular truncated cone shape, the bottom and the recess phase-match of iron club head.
3. The die casting die cushion mechanism of claim 1, wherein: and the iron rod seat, two ends of the stop cylinder and two ends of the oil cylinder are respectively provided with a mounting seat.
4. The die casting die cushion mechanism of claim 1, wherein: the bottom of the stop piston is provided with a first limiting ring for limiting the top of the first compression spring to move in the horizontal direction, and the inner bottom of the stop cylinder is provided with a limiting groove for limiting the bottom of the first compression spring to move in the horizontal direction.
5. The die casting die cushion mechanism of claim 1, wherein: the top of the hydraulic piston is provided with a second limiting ring for limiting the bottom of the second compression spring to move in the horizontal direction, and the bottom of the plug is provided with a third limiting ring for limiting the bottom of the second compression spring to move in the horizontal direction.
6. The die casting die cushion mechanism of claim 1, wherein: six holes are formed in the center of the top end of the plug.
7. The die casting die cushion mechanism of claim 1, wherein: the limiting ring is provided with a plurality of pin holes which are arranged according to an annular array.
8. The die casting die cushion mechanism of claim 1, wherein: and a plurality of radiating fins which are parallel up and down are fixedly connected to the outer side wall of the oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110343405.5A CN113084125B (en) | 2021-03-30 | 2021-03-30 | Die casting die buffer gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110343405.5A CN113084125B (en) | 2021-03-30 | 2021-03-30 | Die casting die buffer gear |
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| Publication Number | Publication Date |
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| CN113084125A CN113084125A (en) | 2021-07-09 |
| CN113084125B true CN113084125B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110343405.5A Active CN113084125B (en) | 2021-03-30 | 2021-03-30 | Die casting die buffer gear |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115255329B (en) * | 2022-07-18 | 2023-08-08 | 深圳市品成金属制品有限公司 | Buffering and pressure stabilizing equipment of die casting die |
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| CH649484A5 (en) * | 1979-07-26 | 1985-05-31 | Ube Industries | VERTICAL DIE CASTING MACHINE WITH A RETREAT CYLINDER UNIT. |
| CN103174787A (en) * | 2013-04-01 | 2013-06-26 | 深圳霸特尔防爆科技有限公司 | Shock absorber |
| CN103953677A (en) * | 2014-04-14 | 2014-07-30 | 山东科技大学 | Driven anti-collision buffering device |
| CN210362336U (en) * | 2019-05-30 | 2020-04-21 | 滨海昊驰电子科技有限公司 | Clamping mechanism of injection molding machine |
| CN111136236A (en) * | 2020-01-20 | 2020-05-12 | 宜宾职业技术学院 | Automatic locking mechanism of die casting die |
| CN111299426A (en) * | 2020-03-11 | 2020-06-19 | 滁州市永达机械科技有限公司 | Metal plate device for manufacturing of circulating cooling type refrigerator |
| CN210937069U (en) * | 2019-11-15 | 2020-07-07 | 昆山杰博辉精密模具有限公司 | Automobile part die-casting die capable of achieving uniform feeding |
| CN211515793U (en) * | 2019-12-06 | 2020-09-18 | 天津伟荣机电有限公司 | Multifunctional automobile interior trim part precise forming composite die |
| CN111791430A (en) * | 2020-06-15 | 2020-10-20 | 徐艳慧 | Gas-tight injection mold forming structure |
| CN211778714U (en) * | 2019-12-25 | 2020-10-27 | 台州市路桥腾晶精密机械有限公司 | Double-cylinder buffer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3996132B2 (en) * | 2004-02-12 | 2007-10-24 | 株式会社東和製作所 | Cushion device for hydraulic cylinder |
| CN205937299U (en) * | 2016-08-11 | 2017-02-08 | 山东临工工程机械有限公司 | Hydraulic equipment buffer structure |
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2021
- 2021-03-30 CN CN202110343405.5A patent/CN113084125B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH649484A5 (en) * | 1979-07-26 | 1985-05-31 | Ube Industries | VERTICAL DIE CASTING MACHINE WITH A RETREAT CYLINDER UNIT. |
| CN103174787A (en) * | 2013-04-01 | 2013-06-26 | 深圳霸特尔防爆科技有限公司 | Shock absorber |
| CN103953677A (en) * | 2014-04-14 | 2014-07-30 | 山东科技大学 | Driven anti-collision buffering device |
| CN210362336U (en) * | 2019-05-30 | 2020-04-21 | 滨海昊驰电子科技有限公司 | Clamping mechanism of injection molding machine |
| CN210937069U (en) * | 2019-11-15 | 2020-07-07 | 昆山杰博辉精密模具有限公司 | Automobile part die-casting die capable of achieving uniform feeding |
| CN211515793U (en) * | 2019-12-06 | 2020-09-18 | 天津伟荣机电有限公司 | Multifunctional automobile interior trim part precise forming composite die |
| CN211778714U (en) * | 2019-12-25 | 2020-10-27 | 台州市路桥腾晶精密机械有限公司 | Double-cylinder buffer |
| CN111136236A (en) * | 2020-01-20 | 2020-05-12 | 宜宾职业技术学院 | Automatic locking mechanism of die casting die |
| CN111299426A (en) * | 2020-03-11 | 2020-06-19 | 滁州市永达机械科技有限公司 | Metal plate device for manufacturing of circulating cooling type refrigerator |
| CN111791430A (en) * | 2020-06-15 | 2020-10-20 | 徐艳慧 | Gas-tight injection mold forming structure |
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| CN113084125A (en) | 2021-07-09 |
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