CN103072303A - Leak-proof up-mounted buffering device of hydraulic machine and hydraulic machine - Google Patents
Leak-proof up-mounted buffering device of hydraulic machine and hydraulic machine Download PDFInfo
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- CN103072303A CN103072303A CN2013100261492A CN201310026149A CN103072303A CN 103072303 A CN103072303 A CN 103072303A CN 2013100261492 A CN2013100261492 A CN 2013100261492A CN 201310026149 A CN201310026149 A CN 201310026149A CN 103072303 A CN103072303 A CN 103072303A
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- damper piston
- buffering
- fixed
- hydraulic press
- buffer unit
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Abstract
The invention discloses a leak-proof up-mounted buffering device of a hydraulic machine, and the leak-proof up-mounted buffering device comprises a buffering cylinder, a gear, a connecting sleeve, a travel switch, a buffering adjusting device, an upper collision block, a lower collision block, an adjusting sleeve, a buffering spring and a hollow buffering piston with two through ends. A pull rod is accommodated in the buffering piston, two ends of the pull rod extend out of the buffering piston, the connecting sleeve is coaxially fixed with the pull rod, and the gear is coaxially fixed with the adjusting sleeve and connected with the buffering piston to form a first buffering adjustable stroke. The buffering piston comprises a middle part with the diameter greater than that of two ends, and the bottom of the buffering cylinder is provided with a passage for allowing one end of the buffering piston to pass through and a buffering groove which is coaxial with the passage. One end of the buffering piston is arranged in the passage, and the middle part is accommodated in the buffering cylinder and forms a second buffering flanging stroke with the top of the buffering groove. The other end of the buffering piston extends out of the buffering cylinder, and the outer wall of the pull rod is relatively independent from and not in contact with the inner wall of the buffering piston. The invention also discloses a hydraulic machine provided with the buffering device.
Description
Technical field
The present invention relates to the metal forming machinery field, specifically a kind of hydraulic press anti-leak on put buffer unit and the hydraulic press of putting buffer unit on this be installed.
Background technology
Hydraulic press is stamping-out when fracture in the course of the work, and buffer unit can controllably reduce the pressure energy that freely changes, in order to protect forcing press and mould, and the minimizing noise.But cushion dashpot stroke in the past is large, and machining accuracy is high, and the sealing ring that very easily weares and teares during partial load causes serious oil leakage phenomenon.
Summary of the invention
In view of this, the present invention be necessary to provide a kind of hydraulic press anti-leak on put buffer unit and this hydraulic press, it is large that it has stopped original cushion dashpot stroke, machining accuracy is high, the sealing ring that very easily weares and teares during partial load causes the phenomenon of serious leakage of oil.
The present invention realizes like this, put buffer unit on a kind of hydraulic press anti-leak, itself and a pull bar are used, put buffer unit on being somebody's turn to do and comprise cushion dashpot, gear, adapter sleeve and damper piston hollow and that two ends are penetrating, this pull bar is housed in this damper piston and two ends extend in outside this damper piston, this adapter sleeve is coaxial fixing with this pull bar, the diameter of this adapter sleeve can be followed the end that this pull bar moved and accommodated this damper piston greater than the diameter of this damper piston, this gear and this adjusting sleeve are coaxial fixing and connect and compose the first buffering range-adjustable with this damper piston with trapezoidal thread, wherein
This damper piston comprises that diameter is greater than the pars intermedia of two ends diameter, the cylinder bottom of this cushion dashpot offers passage that the wherein end for this damper piston passes through and the dashpot coaxial with this passage, this adapter sleeve and this dashpot are positioned at the same side of this cushion dashpot, one end of this damper piston is arranged in this passage, the pars intermedia of this damper piston is housed in this cushion dashpot, and and formation the second buffering flange stroke between the top of this dashpot, the other end of this damper piston extends in outside this cushion dashpot, the outer wall of this pull bar is relatively independent with the inwall of this damper piston and do not contact, and puts buffer unit on this and also comprises:
Travel switch, it is installed on the sidewall of this adapter sleeve, and corresponding with this gear, and the trip switch passes through the driving force of this pull bar of spacing indirectly control between this adapter sleeve of induction and this gear, and regulates this first buffering range-adjustable;
Buffer regulating device, itself and this gear engagement are regulated this second buffering flange stroke;
Upper collision block, it is fixed on this adapter sleeve and towards this cushion dashpot;
Adjusting sleeve, it is sheathed to be fixed on this damper piston and coaxial fixing with this damper piston, and this gear is fixed on this adjusting sleeve;
Lower collision block, it is fixed on this adjusting sleeve and is corresponding with collision block on this;
Buffer spring, it is interior and coaxial with this damper piston that it is housed in this dashpot.
As the further improvement of such scheme, the probe of the trip switch extends this adapter sleeve towards the end face of this cushion dashpot.
As the further improvement of such scheme, the inwall gap of the outer wall of this pull bar and this damper piston is 10 millimeters, 12.5 microns of roughness.
As the further improvement of such scheme, to put buffer unit on this and also comprise guide pin bushing, this guide pin bushing is sheathed to be fixed on this damper piston, and is fixed on the end face of this cushion dashpot, and this guide pin bushing is spacing in this cushion dashpot with the pars intermedia of this damper piston.
As the further improvement of such scheme, to put buffer unit on this and also comprise fixed block, this fixed block is installed on this guide pin bushing and is coaxial with this guide pin bushing, and this fixed block is fixed on the upper plane of entablature of this hydraulic press.
The present invention also provides a kind of hydraulic press, it comprise pull bar and with this pull bar be used on put buffer unit.Put buffer unit on being somebody's turn to do and comprise cushion dashpot, gear, adapter sleeve and damper piston hollow and that two ends are penetrating, this pull bar is housed in this damper piston and two ends extend in outside this damper piston, this adapter sleeve is coaxial fixing with this pull bar, the diameter of this adapter sleeve can be followed the end that this pull bar moved and accommodated this damper piston greater than the diameter of this damper piston, this gear is coaxial fixing with this damper piston, and and formation the first buffering range-adjustable between this adapter sleeve, wherein, this damper piston comprises that diameter is greater than the pars intermedia of two ends diameter, the cylinder bottom of this cushion dashpot offers passage that the wherein end for this damper piston passes through and the dashpot coaxial with this passage, this adapter sleeve and this dashpot are positioned at the same side of this cushion dashpot, one end of this damper piston is arranged in this passage, the pars intermedia of this damper piston is housed in this cushion dashpot, and and formation the second buffering flange stroke between the top of this dashpot, the other end of this damper piston extends in outside this cushion dashpot, the outer wall of this pull bar is relatively independent with the inwall of this damper piston and do not contact, and puts buffer unit on this and also comprises:
Travel switch, it is installed on the sidewall of this adapter sleeve, and corresponding with this gear, and the trip switch passes through the driving force of this pull bar of spacing indirectly control between this adapter sleeve of induction and this gear, and regulates this first buffering range-adjustable;
Buffer regulating device, itself and this gear engagement are regulated this second buffering flange stroke;
Upper collision block, it is fixed on this adapter sleeve and towards this cushion dashpot;
Adjusting sleeve, it is sheathed to be fixed on this damper piston and coaxial fixing with this damper piston, and this gear is fixed on this adjusting sleeve;
Lower collision block, it is fixed on this adjusting sleeve and is corresponding with collision block on this;
Buffer spring, it is interior and coaxial with this damper piston that it is housed in this dashpot.
As the further improvement of such scheme, the probe of the trip switch extends this adapter sleeve towards the end face of this cushion dashpot.
As the further improvement of such scheme, the inwall gap of the outer wall of this pull bar and this damper piston is 10 millimeters, 12.5 microns of roughness.
As the further improvement of such scheme, to put buffer unit on this and also comprise guide pin bushing, this guide pin bushing is sheathed to be fixed on this damper piston, and is fixed on the end face of this cushion dashpot, and this guide pin bushing is spacing in this cushion dashpot with the pars intermedia of this damper piston.
Preferably, this hydraulic press also comprises entablature, and this buffer regulating device is fixed on this entablature, and this entablature comprises plane and the entablature lower plane corresponding with plane on this entablature on the entablature.
Again preferably, put buffer unit on this and also comprise fixed block, this fixed block is installed on this guide pin bushing and is coaxial with this guide pin bushing, and this fixed block is fixed on the upper plane of entablature of this hydraulic press.
As the further improvement of such scheme, this hydraulic press also comprises two anti-skidding fixed heads, and these two anti-rotation fixed heads are installed in respectively on the end face at these pull bar two ends.
Put buffer unit and this hydraulic press on the hydraulic press anti-leak of the present invention, designs simplification, cost is low, has both prevented that the phenomenon of serious leakage of oil from occuring, and has also reduced difficulty of processing.
Description of drawings
Put the partial sectional view of buffer unit on the hydraulic press anti-leak that Fig. 1 provides for preferred embodiments of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1, the partial sectional view of buffer unit is provided on the hydraulic press anti-leak that provides for preferred embodiments of the present invention, put buffer unit on the hydraulic press anti-leak and be installed in the hydraulic press.
This hydraulic press also comprises pull bar 5, entablature, is installed in two anti-rotation fixed heads 16 on the end face at pull bar 5 two ends respectively.This buffer regulating device is fixed on this entablature 17, and entablature comprises plane 18 on the entablature and the entablature lower plane 19 corresponding with plane 18 on this entablature.
Put buffer unit on being somebody's turn to do and comprise cushion dashpot 12, gear 8, adapter sleeve 2, damper piston 6, travel switch 3, buffer regulating device 20, upper collision block 4, adjusting sleeve 9, lower collision block 7, buffer spring 13, guide pin bushing 11, fixed block 10.
Damper piston 6 is hollow and two ends are penetrating, and it comprises diameter greater than the pars intermedia 21 of two ends diameter, and damper piston 6 is one-body molded, and the two ends diameter is identical, and the diameter of pars intermedia 2 forms "+" font greater than the two ends diameter.This pull bar 5 is housed in this damper piston 6 and two ends extend in outside this damper piston 6, and the outer wall of pull bar 5 is relatively independent with the inwall of this damper piston 6 and do not contact, like this pull bar 5 can be when not moving up and down with lubricating oil leakage to damper piston 6.Preferably, the inwall gap of the outer wall of this pull bar 5 and this damper piston 6 is 10 millimeters, 12.5 microns of roughness, and this pull bar 5 and this damper piston 6 play good fit the time, prevent leakage of oil.
The cylinder bottom of cushion dashpot 12 offers passage 22 that the wherein end for this damper piston 6 passes through and the dashpot 23 coaxial with this passage 22.It is interior and coaxial with this damper piston 6 that buffer spring 13 is housed in this dashpot 23.The pars intermedia 21 of damper piston 6 is housed in this cushion dashpot 12, and and the top of this dashpot 23 between consist of the second buffering flange stroke L2, i.e. flange stroke, the two ends of damper piston 6 extend in outside the cushion dashpot 12.
Guide pin bushing 11 sheathed being fixed on this damper piston 6, and be fixed on the end face of this cushion dashpot 12, this guide pin bushing 11 is spacing in this cushion dashpot 12 with the pars intermedia of this damper piston 6.Fixed block 10 is installed on this guide pin bushing 11 and is coaxial with this guide pin bushing 11, and this fixed block 10 is fixed on the entablature of entablature of this hydraulic press on the plane 18.
Adapter sleeve 2 is coaxial fixing with this pull bar 5, the diameter of adapter sleeve 2 can be followed the end that this pull bar 5 moved and accommodated this damper piston 6 greater than the diameter of this damper piston 6, and this gear 8 and adjusting sleeve 9 are coaxial fixing and connect and compose the first buffering range-adjustable with damper piston 6 usefulness trapezoidal threads.
And and consist of the first buffering range-adjustable L1 between this adapter sleeve 2, be referred to as ram travel.The two ends of pull bar 5 are fixed with respectively a nut 1,15, two anti-rotation fixed heads 16 are installed in respectively on the end face at these pull bar 5 two ends, and nut 1 is fixing with adapter sleeve 2.
Upper collision block 4 is fixed on this adapter sleeve 2 and towards this cushion dashpot 6, lower collision block 7 is fixed on this adjusting sleeve 9 and is corresponding with collision block 4 on this, when pull bar 5 moved down like this, upper collision block 4 was collided with lower collision block 7 and is limited pull bar 5 and continue to move down, restriction the first buffering range-adjustable L1.
Travel switch 3 is installed on the sidewall of this adapter sleeve 2, and corresponding with this gear 8, and the trip switch 3 passes through the driving force of this pull bar 5 of spacing indirectly control between this adapter sleeve 2 of induction and this gear 8, and regulates this first buffering range-adjustable.In the present embodiment, the probe of travel switch 3 extends this adapter sleeve 2 towards the end face of this cushion dashpot 12.
Buffer regulating device 20 is regulated this second buffering flange stroke L2 with these gear 8 engagements, and buffer regulating device 20 is fixed on this entablature.Also be provided with fastening screw nut 14 on the pull bar 5 to cooperate with slide block, the scraper ring 24 on the pull bar 5 is between fastening screw nut 14 and cushion dashpot 12.
In sum, put buffer unit and this hydraulic press on the hydraulic press anti-leak of the present invention, it is large to have stopped original cushion dashpot stroke, and machining accuracy is high, and the sealing ring that very easily weares and teares during partial load causes the phenomenon of serious leakage of oil; Designs simplification, cost is low, has both prevented that the phenomenon of serious leakage of oil from occuring, and has also reduced difficulty of processing.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
- A hydraulic press anti-leak on put buffer unit, itself and pull bar are used, put buffer unit on being somebody's turn to do and comprise cushion dashpot, gear, adapter sleeve and damper piston hollow and that two ends are penetrating, this pull bar is housed in this damper piston and two ends extend in outside this damper piston, this adapter sleeve is coaxial fixing with this pull bar, the diameter of this adapter sleeve can be followed the end that this pull bar moved and accommodated this damper piston greater than the diameter of this damper piston, this gear and this adjusting sleeve are coaxial fixing and connect and compose the first buffering range-adjustable with this damper piston with trapezoidal thread, it is characterized in that:This damper piston comprises that diameter is greater than the pars intermedia of two ends diameter, the cylinder bottom of this cushion dashpot offers passage that the wherein end for this damper piston passes through and the dashpot coaxial with this passage, this adapter sleeve and this dashpot are positioned at the same side of this cushion dashpot, one end of this damper piston is arranged in this passage, the pars intermedia of this damper piston is housed in this cushion dashpot, and and formation the second buffering flange stroke between the top of this dashpot, the other end of this damper piston extends in outside this cushion dashpot, the outer wall of this pull bar is relatively independent with the inwall of this damper piston and do not contact, and puts buffer unit on this and also comprises:Travel switch, it is installed on the sidewall of this adapter sleeve, and corresponding with this gear, and the trip switch passes through the driving force of this pull bar of spacing indirectly control between this adapter sleeve of induction and this gear, and regulates this first buffering range-adjustable;Buffer regulating device, itself and this gear engagement are regulated this second buffering flange stroke;Upper collision block, it is fixed on this adapter sleeve and towards this cushion dashpot;Adjusting sleeve, it is sheathed to be fixed on this damper piston and coaxial fixing with this damper piston, and this gear is fixed on this adjusting sleeve;Lower collision block, it is fixed on this adjusting sleeve and is corresponding with collision block on this;Buffer spring, it is interior and coaxial with this damper piston that it is housed in this dashpot.
- Hydraulic press anti-leak as claimed in claim 1 on put buffer unit, it is characterized in that: the probe of the trip switch extends this adapter sleeve towards the end face of this cushion dashpot.
- Hydraulic press anti-leak as claimed in claim 1 on put buffer unit, it is characterized in that: the inwall gap of the outer wall of this pull bar and this damper piston is 10 millimeters, 12.5 microns of roughness.
- Hydraulic press anti-leak as claimed in claim 1 on put buffer unit, it is characterized in that: put buffer unit on this and also comprise guide pin bushing, this guide pin bushing is sheathed to be fixed on this damper piston, and be fixed on the end face of this cushion dashpot, this guide pin bushing is spacing in this cushion dashpot with the pars intermedia of this damper piston.
- Hydraulic press anti-leak as claimed in claim 4 on put buffer unit, it is characterized in that: put buffer unit on this and also comprise fixed block, this fixed block is installed on this guide pin bushing and is coaxial with this guide pin bushing, and this fixed block is fixed on the upper plane of entablature of this hydraulic press.
- 6. hydraulic press, it comprise pull bar and with this pull bar be used on put buffer unit, it is characterized in that, put buffer unit on this for as putting buffer unit on claim 1 or the 2 or 3 described hydraulic press anti-leaks.
- 7. hydraulic press as claimed in claim 6, it is characterized in that: put buffer unit on this and also comprise guide pin bushing, this guide pin bushing is sheathed to be fixed on this damper piston, and is fixed on the end face of this cushion dashpot, and this guide pin bushing is spacing in this cushion dashpot with the pars intermedia of this damper piston.
- 8. hydraulic press as claimed in claim 7, it is characterized in that: this hydraulic press also comprises entablature, and this buffer regulating device is fixed on this entablature, and this entablature comprises plane and the entablature lower plane corresponding with plane on this entablature on the entablature.
- 9. hydraulic press as claimed in claim 8 is characterized in that, puts buffer unit on this and also comprises fixed block, and this fixed block is installed on this guide pin bushing and is coaxial with this guide pin bushing, and this fixed block is fixed on the upper plane of entablature of this hydraulic press.
- 10. hydraulic press as claimed in claim 6, it is characterized in that: this hydraulic press also comprises two anti-skidding fixed heads, these two anti-rotation fixed heads are installed in respectively on the end face at these pull bar two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026149.2A CN103072303B (en) | 2013-01-22 | 2013-01-22 | Leak-proof up-mounted buffering device of hydraulic machine and hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026149.2A CN103072303B (en) | 2013-01-22 | 2013-01-22 | Leak-proof up-mounted buffering device of hydraulic machine and hydraulic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103072303A true CN103072303A (en) | 2013-05-01 |
| CN103072303B CN103072303B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026149.2A Active CN103072303B (en) | 2013-01-22 | 2013-01-22 | Leak-proof up-mounted buffering device of hydraulic machine and hydraulic machine |
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| CN (1) | CN103072303B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533756A (en) * | 2018-02-05 | 2018-09-14 | 上海理工大学 | A kind of clearance seal method replacing hydraulically smooth surface with hydraulically rough surface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH666202A5 (en) * | 1983-09-21 | 1988-07-15 | Amada Co Ltd | BENDING PRESS. |
| CN201313405Y (en) * | 2008-11-27 | 2009-09-23 | 青岛宏达锻压机械有限公司 | Overload protection and drive device of electric screw press |
| CN201913827U (en) * | 2010-12-09 | 2011-08-03 | 扬州捷迈锻压机械有限公司 | Over head type precise machinery synchronous full load blanking buffer unit |
| CN201922572U (en) * | 2010-11-25 | 2011-08-10 | 广东锻压机床厂有限公司 | Buffering device of hydraulic air cushion of pressure machine |
| JP4759417B2 (en) * | 2006-03-22 | 2011-08-31 | 株式会社畑鉄工所 | Rotary powder compression molding equipment |
-
2013
- 2013-01-22 CN CN201310026149.2A patent/CN103072303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH666202A5 (en) * | 1983-09-21 | 1988-07-15 | Amada Co Ltd | BENDING PRESS. |
| JP4759417B2 (en) * | 2006-03-22 | 2011-08-31 | 株式会社畑鉄工所 | Rotary powder compression molding equipment |
| CN201313405Y (en) * | 2008-11-27 | 2009-09-23 | 青岛宏达锻压机械有限公司 | Overload protection and drive device of electric screw press |
| CN201922572U (en) * | 2010-11-25 | 2011-08-10 | 广东锻压机床厂有限公司 | Buffering device of hydraulic air cushion of pressure machine |
| CN201913827U (en) * | 2010-12-09 | 2011-08-03 | 扬州捷迈锻压机械有限公司 | Over head type precise machinery synchronous full load blanking buffer unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533756A (en) * | 2018-02-05 | 2018-09-14 | 上海理工大学 | A kind of clearance seal method replacing hydraulically smooth surface with hydraulically rough surface |
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| Publication number | Publication date |
|---|---|
| CN103072303B (en) | 2015-07-22 |
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Address after: 230601 Hefei economic and Technological Development Zone, Anhui, Ziyun Patentee after: Hefei forging intelligent manufacturing Limited by Share Ltd Address before: 230601 Hefei economic and Technological Development Zone, Anhui, Ziyun Patentee before: Hefei Metalforming Machine Tool Co., Ltd. |
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