CN103057144A - Large-tonnage hydraulic press with rapid stroke - Google Patents
Large-tonnage hydraulic press with rapid stroke Download PDFInfo
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- CN103057144A CN103057144A CN201210591169XA CN201210591169A CN103057144A CN 103057144 A CN103057144 A CN 103057144A CN 201210591169X A CN201210591169X A CN 201210591169XA CN 201210591169 A CN201210591169 A CN 201210591169A CN 103057144 A CN103057144 A CN 103057144A
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- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Disclosed is a large-tonnage hydraulic press with rapid stroke. A main cylinder is installed on an upper beam, a piston of the main cylinder is connected to an upper moving beam, one end of a rapid cylinder is connected to a lower moving beam, a clutch device is installed between the upper moving beam and the lower moving beam, the clutch device comprises an upper clutch block, a lower clutch block and a control device which is used for controlling one of the upper clutch block and the lower clutch block to move laterally, the upper clutch block and the lower clutch block are respectively connected to the upper moving beam and the lower moving beam in a corresponding mechanical mode, the clutch height between the upper clutch block and the lower clutch block corresponds to the auxiliary stroke completed by the rapid cylinder, the rapid cylinder drives the lower moving beam to complete the auxiliary stroke of a pressing machine, the distance between the lower moving beam and the upper moving beam which are pulled is filled by the clutch height, the main cylinder drives the upper moving beam, and the lower moving beam completes the working stroke under the drive of the clutch drive. The working stroke which is required to be completed by the main cylinder in the moving beams is 1/5 of the whole stroke, the stroke of the main cylinder is shortened, the installation and the maintenance are facilitated, and the production cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of press that uses hydraulic plunger, particularly relate to a kind of great tonnage hydraulic machine with fast travel.
Background technology
The great tonnage press of present known use hydraulic plunger (hereinafter to be referred as press) mainly is comprised of press frame, master cylinder, walking beam, walking beam guider etc.Press frame can be post and beam or frame, and the master cylinder body is installed in upper beam usually, and piston then is connected with walking beam and moves up and down by master cylinder driving walking beam according to this realizes compacting and backhaul.For realizing fast requirement of idle stroke, prefill valve is set specially, this valve links to each other with surge-tank, also is connected with control valve and the pump group of control prefill valve on prefill valve.In whole press auxiliary stroke is descending fast, master cylinder need to be filled fluid by prefill valve, increased like this cost of the large flow prefill valve of the manufacturing cost of master cylinder and special configuration, and simultaneously also brought topping up, boosted, the correlation technique difficult problem in a series of actions conversion such as release, these difficult problems not only are difficult to solve but also cause the press course of work unstable, affect the service life of press.
Chinese patent CN2645898Y discloses the large-scale four post oil-pressure direct-driving rapid oil press of the long stroke of a kind of large-tonnage, has provided the technical scheme that quick auxiliary stroke need not charging device.In this technical scheme, a kind of Quick cylinder and a kind of plate that can traverse motion have been increased newly, Quick cylinder is installed in upper beam, its piston is connected with walking beam and to drive according to this walking beam descending fast when idle stroke, master cylinder then is installed on the walking beam, its piston up, when walking beam is driven descending putting in place by Quick cylinder, laterally inserted the putting in place of plate filled up the auxiliary stroke that Quick cylinder is finished, master cylinder work this moment, this plate of top makes walking beam continue descending and enters impulse stroke on its piston.Although this technical scheme need not charging device, but also brought other weak points: master cylinder is installed on the walking beam, brought new high request not only for rigidity and the intensity of walking beam, and increased the performance requirement of Quick cylinder, the requirement that the arrangement that the while master cylinder is changed all of a sudden has also brought feasibility to the overall press layout designs, therefore, this technical scheme difficult more being difficult to carry out that need overcome owing to implementation process.
Summary of the invention
The present invention provides a kind of quick auxiliary stroke to need not charging device, low cost of manufacture for solving the technical problem that exists in the prior art, simultaneously existing press layout is changed a kind of great tonnage hydraulic machine with fast travel of less easy enforcement.
The present invention seeks to realize by following approach:
Great tonnage hydraulic machine with fast travel, comprise press frame, master cylinder, Quick cylinder, upper walking beam, lower walking beam, the guiding mechanism of upper walking beam, the guiding mechanism of lower walking beam, press frame comprises upper beam, the coupling components of underbeam and upper underbeam, it forms main points and is: the master cylinder body is installed on the upper beam, its piston is connected with upper walking beam, a wherein end of Quick cylinder is connected with lower walking beam, between upper walking beam and the lower walking beam a kind of arrangement of clutch is installed, this arrangement of clutch comprises, clutch block and the control device of controlling one of them clutch block move left and right, on, lower clutch block respectively with upper walking beam and the lower corresponding mechanical connection of walking beam, on being somebody's turn to do, clutch height between the lower clutch block is corresponding with the auxiliary stroke that Quick cylinder is finished, Quick cylinder drives lower walking beam and finishes the press auxiliary stroke, therefore the lower walking beam that pulls open and the distance between the upper walking beam, after highly-filled by clutch, drive walking beam by master cylinder again, order about the lower walking beam stroke of finishing the work through arrangement of clutch.
Like this, by the combination of the arrangement of clutch between the upper and lower walking beam and Quick cylinder, effectively reduce the impulse stroke of master cylinder, need not to configure separately charging device at quick auxiliary stroke; And the master cylinder distribution mode is conventional, and the load that walking beam increases is little, and rigidity and intensity need not special reinforcement, and the overall press layout is almost constant, easily implements.
Purpose of the present invention can also realize by following approach.
The concrete structure of upper lower clutch block can have multiple choices, below is wherein two kinds:
A kind of is documents such as aforementioned background art, lower clutch block is a kind of boss that is positioned at lower walking beam middle part, upper clutch block is a kind of plate that can be driven by oil cylinder or cylinder move left and right, plate is mobile laterally to be disengaged with the boss dislocation, plate moves inward with the boss replacement and realizes engaging, and the plate height is the clutch height.
Another kind is: upper lower clutch block is a kind of dental inlay clutch block, and the profile of tooth height is the clutch height, during upper lower toothed dislocation engagement, and the descending auxiliary stroke of Quick cylinder, after auxiliary stroke was finished, clutch block transverse shifting profile of tooth was mutually opposed, and master cylinder carries out impulse stroke.
It is feasible that upper lower clutch block all carries out transverse shifting, but the structure relative complex.Desirable mode is that wherein a clutch block is fixed, and another piece is driven by control device and carries out transverse shifting, and the selection of further optimizing is:
Lower clutch block in the arrangement of clutch and lower walking beam are affixed, but upper clutch block with the transverse shifting mode be suspended on upper walking beam the lower end and with the control device control connection, upper clutch block top has outer step A, upper clutch block by this step A bottom surface be suspended on upper walking beam to should step A and on the step B that stretches.
Like this, during the upper clutch block transverse shifting and the movement of upper walking beam touch face and be positioned at step A bottom surface, and when carrying out impulse stroke after resetting with lower clutch block, the face that touches of itself and upper walking beam then is its upper end, thereby realized mobile touch face and the differentiation that presses down the face of touching, guaranteed to press down work and can not damage the mobile face that touches.
Further optimize and be:
The step B of upper walking beam is a kind of rolling surface platform that is comprised of a plurality of rolling bearings.
Realize like this transverse shifting of upper clutch block with roll mode.
The face that touches of upper lower clutch block is installed respectively backing plate.
Like this, be convenient to change after the use wearing and tearing, also be convenient to select better material to make backing plate
Control device or hydraulic jack or cylinder or by the pinion and rack of motor or fluid motor-driven.
Quick cylinder or be installed between lower walking beam and the underbeam perhaps is installed between lower walking beam and the upper walking beam, between perhaps being installed in lower walking beam and putting the beams in place.Optimizing selection is:
Quick cylinder has 2 both sides that are installed in respectively press, and the piston end of Quick cylinder connects with lower walking beam, and cylinder body connects with underbeam.
Compared with prior art the advantage and the good effect that have of the present invention is: because the master cylinder in the walking beam only need guarantee that the impulse stroke of press gets final product in novel press structure, it generally is 1/5 of whole stroke, the master cylinder stroke shortens greatly, installation and maintenance are convenient, the manufacturing cost decrease.Simultaneously because the master cylinder volume reduces greatly, and the also widely minimizing of hydraulic power oil volume that the hydraulic oil compression is expanded and consumed when master cylinder pressurization and release has reduced energy consumption, correspondingly reduced the power of main oil pump and as the accumulator volume of supplementary energy.Quick when descending, master cylinder need not topping up, and the needed flow of the prefill valve of master cylinder is corresponding reducing also, further reduced cost.The master cylinder distribution mode is conventional simultaneously, and the load that walking beam increases is little, and rigidity and intensity need not special reinforcement, and the overall press layout is almost constant, easily implements.
Description of drawings
Fig. 1 is the structural representation that the described castellated arrangement of clutch of great tonnage hydraulic machine with fast travel of most preferred embodiment of the present invention is in engagement.
Fig. 2 is that the described castellated arrangement of clutch of great tonnage hydraulic machine with fast travel of most preferred embodiment of the present invention is in the structural representation to configuration state.
Fig. 3 is the schematic diagram that the described great tonnage hydraulic machine upper clutch block with fast travel of most preferred embodiment of the present invention is connected with upper walking beam.
Label declaration
1. 5. times walking beams of walking beam 4. arrangement of clutch, 6. Quick cylinders, 7. columns, 8. underbeams, 41 step A, 42. upper clutch blocks, 43. lower clutch blocks, 44. control device, 45. backing plates, 46 step B on 2. master cylinders 3. put the beams in place.
The specific embodiment
Most preferred embodiment:
With reference to Fig. 1, Fig. 2, great tonnage hydraulic machine with fast travel, comprise the guiding mechanism of press frame, master cylinder 2, Quick cylinder 6, upper walking beam 3, lower walking beam 5, upper walking beam, the guiding mechanism of lower walking beam, press frame comprises upper beam 1, underbeam 8 and column 7.The master cylinder body is installed on the upper beam 1, and its piston is connected with upper walking beam 3.Quick cylinder 6 has 2 both sides that are installed in respectively press, rapid oil, and 6 piston end is connected with lower walking beam 5, and its cylinder body then is connected with underbeam 8.Between upper walking beam 3 and the lower walking beam 5 a kind of arrangement of clutch 4 is installed, this arrangement of clutch 4 comprises, clutch block 42,43 and the control device 44 of controlling one of them clutch block move left and right, on, lower clutch block 42,43 respectively with upper walking beam 3 and lower walking beam 5 corresponding mechanical connections, wherein, lower clutch block 43 and lower walking beam 5 are affixed, but upper clutch block 42 with the transverse shifting mode be suspended on upper walking beam 3 the lower end and with control device 44 control connections, control device 44 is hydraulic jacks, upper lower clutch block is a kind of dental inlay clutch block, the crest top land face is installed respectively backing plate 45, the profile of tooth height is the clutch height, this clutch height is corresponding with the auxiliary stroke that Quick cylinder is finished, Quick cylinder drives lower walking beam and finishes the press auxiliary stroke, during upper lower toothed dislocation engagement, the descending auxiliary stroke of Quick cylinder, after auxiliary stroke is finished, therefore the lower walking beam that pulls open and the distance between the upper walking beam, after highly-filled by the mutual opposed realization clutch of clutch block transverse shifting profile of tooth, drive walking beam by master cylinder again, order about the lower walking beam stroke of finishing the work through arrangement of clutch.
With reference to Fig. 3, upper clutch block 42 tops have outer step A41, upper clutch block 42 by this step A41 bottom surface be suspended on 3 pairs of upper walking beams should step A41 and on the step B46 that stretches, step B46 is a kind of rolling surface platform that is comprised of a plurality of rolling bearings.
It is same as the prior art that the present invention does not state part.The embodiment of the above is preferred embodiment of the present invention only, is not to limit practical range of the present invention with this, thus all methods according to the present invention, and the equivalence done of principle change, all should be covered by in protection scope of the present invention.
Claims (8)
1. the great tonnage hydraulic machine that has fast travel, comprise press frame, master cylinder, Quick cylinder, upper walking beam, lower walking beam, the guiding mechanism of upper walking beam, the guiding mechanism of lower walking beam, press frame comprises upper beam, the coupling components of underbeam and upper underbeam, it is characterized in that, the master cylinder body is installed on the upper beam, its piston is connected with upper walking beam, a wherein end of Quick cylinder is connected with lower walking beam, between upper walking beam and the lower walking beam a kind of arrangement of clutch is installed, this arrangement of clutch comprises, clutch block and the control device of controlling one of them clutch block move left and right, on, lower clutch block respectively with upper walking beam and the lower corresponding mechanical connection of walking beam, on being somebody's turn to do, clutch height between the lower clutch block is corresponding with the auxiliary stroke that Quick cylinder is finished, Quick cylinder drives lower walking beam and finishes the press auxiliary stroke, therefore the lower walking beam that pulls open and the distance between the upper walking beam, after highly-filled by clutch, drive walking beam by master cylinder again, order about the lower walking beam stroke of finishing the work through arrangement of clutch.
2. the great tonnage hydraulic machine with fast travel according to claim 1, it is characterized in that, upper lower clutch block is a kind of dental inlay clutch block, the profile of tooth height is the clutch height, during upper lower toothed dislocation engagement, the descending auxiliary stroke of Quick cylinder is after auxiliary stroke is finished, clutch block transverse shifting profile of tooth is mutually opposed, and master cylinder carries out impulse stroke.
3. the great tonnage hydraulic machine with fast travel according to claim 1 and 2, it is characterized in that, lower clutch block in the arrangement of clutch and lower walking beam are affixed, but upper clutch block with the transverse shifting mode be suspended on upper walking beam the lower end and with the control device control connection, upper clutch block top has outer step A, upper clutch block by this step A bottom surface be suspended on upper walking beam to should step A and on the step B that stretches.
4. the great tonnage hydraulic machine with fast travel according to claim 3 is characterized in that, the step B of upper walking beam is a kind of rolling surface platform that is comprised of a plurality of rolling bearings.
5. the great tonnage hydraulic machine with fast travel according to claim 1 and 2 is characterized in that, the face that touches of upper lower clutch block is installed respectively backing plate.
6. the great tonnage hydraulic machine with fast travel according to claim 1 is characterized in that, control device or hydraulic jack or cylinder or by the pinion and rack of motor or fluid motor-driven.
7. the great tonnage hydraulic machine with fast travel according to claim 1 is characterized in that, Quick cylinder or be installed between lower walking beam and the underbeam perhaps is installed between lower walking beam and the upper walking beam, between perhaps being installed in lower walking beam and putting the beams in place.
8. according to claim 1 or 7 described great tonnage hydraulic machines with fast travel, it is characterized in that, Quick cylinder has 2 both sides that are installed in respectively press, and the piston end of Quick cylinder connects with lower walking beam, and cylinder body connects with underbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591169.XA CN103057144B (en) | 2012-12-31 | 2012-12-31 | There is the great tonnage hydraulic machine of fast travel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591169.XA CN103057144B (en) | 2012-12-31 | 2012-12-31 | There is the great tonnage hydraulic machine of fast travel |
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| CN103057144A true CN103057144A (en) | 2013-04-24 |
| CN103057144B CN103057144B (en) | 2016-12-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827707A (en) * | 2015-05-12 | 2015-08-12 | 天津太平洋超高压设备有限公司 | Large-stroke pressed hydraulic machine capable of shortening pressing work stroke |
| CN105171994A (en) * | 2015-10-12 | 2015-12-23 | 安徽工业大学 | 3500-ton vulcanizing machine device |
| CN105365249A (en) * | 2015-12-05 | 2016-03-02 | 刘青田 | Four-column oil press |
| CN108297249A (en) * | 2018-03-30 | 2018-07-20 | 佛山市恒力泰机械有限公司 | A kind of brick machine with stroke compensating mechanism |
| CN108326105A (en) * | 2018-01-23 | 2018-07-27 | 胡桂芳 | Large-tonnage fast ram device |
| CN108621284A (en) * | 2018-03-30 | 2018-10-09 | 佛山市恒力泰机械有限公司 | A kind of more frame brick machines with stroke compensating mechanism |
| CN114483680A (en) * | 2022-01-20 | 2022-05-13 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296812Y (en) * | 1997-10-15 | 1998-11-11 | 大连绿洲食品包装有限公司 | Quick-closed four-column press |
| CN2562593Y (en) * | 2002-06-13 | 2003-07-30 | 蒋倬苓 | Hydraulic tea granule forming machine |
| CN2645898Y (en) * | 2003-09-25 | 2004-10-06 | 天津市天锻压力机有限公司 | Big tonnage and long stroke large-scale four-column oil-pressure direct-driving rapid hydraulic press |
| CN101011866A (en) * | 2006-10-20 | 2007-08-08 | 广东工业大学 | Screw precision pressing machine |
| CN101244637A (en) * | 2008-01-08 | 2008-08-20 | 吉林大学非矿技术装备研究院 | Spring seal mode hydraulic press and combination thereof |
| CN201320846Y (en) * | 2008-12-25 | 2009-10-07 | 南京鹏力科技有限公司 | Pressing machine with double-column movable table |
| CN101602259A (en) * | 2009-07-03 | 2009-12-16 | 吉林省吉大机电设备有限公司 | The hydraulic press that has automatic weighing device and carriage |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| CN201669907U (en) * | 2010-06-04 | 2010-12-15 | 济南铸造锻压机械研究所有限公司 | Four-column hydraulic press special for an active carbon |
| CN201856387U (en) * | 2010-09-27 | 2011-06-08 | 上海华器智能机械设备有限公司 | Two-stage stroke mechanical press |
| CN202422992U (en) * | 2011-12-29 | 2012-09-05 | 重庆江东机械有限责任公司 | Coil pressing machine downward pushing type device for transformer |
-
2012
- 2012-12-31 CN CN201210591169.XA patent/CN103057144B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296812Y (en) * | 1997-10-15 | 1998-11-11 | 大连绿洲食品包装有限公司 | Quick-closed four-column press |
| CN2562593Y (en) * | 2002-06-13 | 2003-07-30 | 蒋倬苓 | Hydraulic tea granule forming machine |
| CN2645898Y (en) * | 2003-09-25 | 2004-10-06 | 天津市天锻压力机有限公司 | Big tonnage and long stroke large-scale four-column oil-pressure direct-driving rapid hydraulic press |
| CN101011866A (en) * | 2006-10-20 | 2007-08-08 | 广东工业大学 | Screw precision pressing machine |
| CN101244637A (en) * | 2008-01-08 | 2008-08-20 | 吉林大学非矿技术装备研究院 | Spring seal mode hydraulic press and combination thereof |
| CN201320846Y (en) * | 2008-12-25 | 2009-10-07 | 南京鹏力科技有限公司 | Pressing machine with double-column movable table |
| CN101602259A (en) * | 2009-07-03 | 2009-12-16 | 吉林省吉大机电设备有限公司 | The hydraulic press that has automatic weighing device and carriage |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| CN201669907U (en) * | 2010-06-04 | 2010-12-15 | 济南铸造锻压机械研究所有限公司 | Four-column hydraulic press special for an active carbon |
| CN201856387U (en) * | 2010-09-27 | 2011-06-08 | 上海华器智能机械设备有限公司 | Two-stage stroke mechanical press |
| CN202422992U (en) * | 2011-12-29 | 2012-09-05 | 重庆江东机械有限责任公司 | Coil pressing machine downward pushing type device for transformer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827707A (en) * | 2015-05-12 | 2015-08-12 | 天津太平洋超高压设备有限公司 | Large-stroke pressed hydraulic machine capable of shortening pressing work stroke |
| CN105171994A (en) * | 2015-10-12 | 2015-12-23 | 安徽工业大学 | 3500-ton vulcanizing machine device |
| CN105365249A (en) * | 2015-12-05 | 2016-03-02 | 刘青田 | Four-column oil press |
| CN108326105A (en) * | 2018-01-23 | 2018-07-27 | 胡桂芳 | Large-tonnage fast ram device |
| CN108297249A (en) * | 2018-03-30 | 2018-07-20 | 佛山市恒力泰机械有限公司 | A kind of brick machine with stroke compensating mechanism |
| CN108621284A (en) * | 2018-03-30 | 2018-10-09 | 佛山市恒力泰机械有限公司 | A kind of more frame brick machines with stroke compensating mechanism |
| CN114483680A (en) * | 2022-01-20 | 2022-05-13 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
| CN114483680B (en) * | 2022-01-20 | 2024-01-05 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
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| Publication number | Publication date |
|---|---|
| CN103057144B (en) | 2016-12-28 |
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