CN203266116U - Gantry machine tool cross beam clamping device - Google Patents
Gantry machine tool cross beam clamping device Download PDFInfo
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- CN203266116U CN203266116U CN 201320130086 CN201320130086U CN203266116U CN 203266116 U CN203266116 U CN 203266116U CN 201320130086 CN201320130086 CN 201320130086 CN 201320130086 U CN201320130086 U CN 201320130086U CN 203266116 U CN203266116 U CN 203266116U
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- wedge
- machine tool
- clamping device
- beam clamping
- wedge block
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Abstract
A gantry machine tool cross beam clamping device comprises a fastening device comprising an oblique wedge and a lower wedge block, of which the slopes lean to each other; when the oblique wedge is subjected to pull force along the cross beam direction, an upright is stressed; an execution device is used for applying push force or pull force along the length direction of a cross beam on the oblique wedge; the execution device comprises an elastic member; and the elastic member generates the pull force along the length direction of the cross beam for the oblique wedge when the execution device is not subjected to external force. The technical scheme has the beneficial effects of greatly reducing the friction between the lower wedge block and the oblique wedge as well as between a press plate and a piston by arranging a needle roller, further improving the horizontal clamping force of the oblique wedge structure, and avoiding the faces of the oblique wedge and the lower wedge block from being damaged; and the gantry machine tool cross beam clamping device has dual oil cavities, and the dual oil cavities can play larger power under the condition of the equal oil cylinder diameter.
Description
Technical field
The utility model relates to a kind of Longmen machine tool parts, relates in particular to a kind of Longmen machine tool machine beam clamping device.
Background technology
Prior art clamps for realizing crossbeam, the oil cylinder pushing voussoir leverages that adopt are realized more, can realize preferably the clamping of crossbeam, yet existing technology has following shortcoming and deficiency: can produce larger frictional force between wedge and lower wedge block, larger frictional force can produce component on the wedge structure inclined-plane, and then affects wedge structure in horizontal clamping force; Simultaneously easily make wedge and lower wedge block because friction damages.
Summary of the invention
The problems referred to above for each component locations restraint device of existing Longmen machine tool exists now provide a kind of Longmen machine tool machine beam clamping device that is intended to address the above problem.
A kind of Longmen machine tool machine beam clamping device is characterized in that, comprises
Fastener is fixed on the crossbeam of Longmen machine tool, and fastener comprises wedge and the lower wedge block that the inclined-plane leans on mutually, and lower wedge block contacts with the column of Longmen machine tool, and exerts pressure to column when wedge is subjected to pulling force along the crossbeam direction;
Actuating unit is fixed on the crossbeam of Longmen machine tool, and actuating unit comprises the effect end, and the effect end is connected with wedge, for the thrust or the pulling force that wedge are applied along the crossbeam length direction;
Limiting component comprises wedge limiting component and lower wedge block limiting component; The wedge limiting component is arranged on the top of wedge, prevents that wedge from moving up; The lower wedge block limiting component is arranged at lower wedge block towards actuating unit one side, prevents that lower wedge block from moving towards actuating unit;
Actuating unit comprises a flexible member, when flexible member makes actuating unit without External Force Acting, wedge is produced pulling force along the crossbeam length direction.
Above-mentioned a kind of Longmen machine tool machine beam clamping device, wherein, actuating unit comprises the oil cylinder that arranges along the crossbeam length direction, the end that the main piston rod by oil cylinder of effect end stretches out the cylinder body of oil cylinder forms, piston rod is positioned at the annular protrusion that is provided with on the section of cylinder body radially, annular protrusion forms restriction to flexible member in oil cylinder towards the cylinder bottom of fastener one end, and makes flexible member be in squeezed state; Also comprise a piston, piston and piston rod be positioned at annular protrusion dorsad a side of flexible member be connected; Form the first cavity between annular protrusion and piston, piston and cylinder body form the second cavity dorsad between the cylinder bottom of an end of fastener, connect by oil duct between the first cavity and the second cavity, an end cylinder bottom that forms the cylinder body of the second cavity is provided with oil inlet and outlet.
Above-mentioned a kind of Longmen machine tool machine beam clamping device wherein, is provided with the anti-attrition element between the inclined-plane of wedge and the inclined-plane of lower wedge block.
Above-mentioned a kind of Longmen machine tool machine beam clamping device wherein, is provided with the anti-attrition element between wedge limiting component and wedge.
Above-mentioned a kind of Longmen machine tool machine beam clamping device, wherein, fastener also comprises the adjustment pressing plate that is arranged on for adjusting distance between lower wedge block and column between lower wedge block and column.
Above-mentioned a kind of Longmen machine tool machine beam clamping device wherein, is being arranged with sealing ring on piston rod between annular protrusion and piston, the first cavity mainly forms between the one side of piston and piston in sealing ring.
Above-mentioned a kind of Longmen machine tool machine beam clamping device, wherein, oil duct is arranged on piston rod.
Above-mentioned a kind of Longmen machine tool machine beam clamping device, wherein, the anti-attrition element is needle roller.
Above-mentioned a kind of Longmen machine tool machine beam clamping device, wherein, the anti-attrition element is needle roller.
Above-mentioned a kind of Longmen machine tool machine beam clamping device wherein, is characterized in that flexible member is the dish spring.
The beneficial effect of technique scheme is:
1, between lower wedge block and wedge, needle roller is set between pressing plate and piston rod to be greatly reduced between lower wedge block and wedge, frictional force between pressing plate and piston rod has been avoided the inclined-plane of wedge structure to produce excessive frictional force, and then has been improved the horizontal clamping force of wedge structure; Wedge, pressing plate and lower wedge block damaged surfaces have been avoided simultaneously.
2, the application has two oil pockets, i.e. the first oil pocket and the second oil pocket, and therefore in the situation that wait cylinder diameter, two oil pockets can be brought into play larger motive force.
Description of drawings
Fig. 1 is a kind of Longmen machine tool machine beam clamping device of the utility model example structure schematic diagram
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
A kind of Longmen machine tool machine beam clamping device comprises
Fastener 1 is fixed on the crossbeam 4 of Longmen machine tool, and fastener comprises the wedge 11 and lower wedge block 12 that leans on mutually on the inclined-plane, and lower wedge block 12 contacts with the column 5 of Longmen machine tool, and exerts pressure to column 5 when wedge 11 is subjected to pulling force along crossbeam 4 directions;
Actuating unit 2 is fixed on the crossbeam 4 of Longmen machine tool, and actuating unit comprises effect end 21, and effect end 21 is connected with wedge 11, is used for wedge 11 is applied along thrust or the pulling force of crossbeam 4 length directions;
Limiting component 3 comprises wedge limiting component 31 and lower wedge block limiting component 32; Wedge limiting component 31 is arranged on the upside of wedge 11, prevents that wedge 11 from moving up; Lower wedge block limiting component 32 is arranged at lower wedge block 12 towards actuating unit 2 one sides, prevents that lower wedge block 12 from moving towards actuating unit 2;
Actuating unit comprises a flexible member 22, the pulling force that when flexible member 22 makes actuating unit 2 without External Force Acting, wedge 11 is produced along crossbeam 4 length directions.
The operation principle of present technique feature is: when the mobile gantry machine tool beam, provide pressure by hydraulic system to actuating unit 2, the effect end 21 of actuating unit 2 produces thrust along crossbeam 4 length directions, and then wedge 11 is produced thrust along crossbeam 4 length directions, wedge 11 is separated with lower wedge block 12; When fixing Longmen machine tool crossbeam, the stop solution pressing system provides pressure to actuating unit 2, the pulling force that this moment, flexible member 22 produced along crossbeam 4 length directions effect end 21 owing to being squeezed, and then wedge 11 is produced pulling force along crossbeam 4 length directions, make 11 pairs of lower wedge blocks of wedge 12 produce downward active force, and then crossbeam 4 firmly is fixed on column 5.
Above-mentioned a kind of Longmen machine tool crossbeam 4 clamping devices, wherein, actuating unit 2 comprises the oil cylinder 26 that arranges along crossbeam 4 length directions, the cylinder body 261 that the main piston rod 27 by oil cylinder 26 of effect end 21 stretches out oil cylinder 26 forms, piston rod 27 is positioned at the annular protrusion 271 that is provided with on the section of cylinder body 261 radially, annular protrusion 271 forms restriction to flexible member 22 in oil cylinder 26 towards the cylinder bottom of fastener 1 one ends, and makes flexible member 22 be in squeezed state; Also comprise a piston 25, piston 25 and piston rod 27 be positioned at annular protrusion 271 dorsad a side of flexible member 22 be connected; Form the first cavity 28 between annular protrusion 271 and piston 25, piston 25 and cylinder body 261 form the second cavity 29 dorsad between the cylinder bottom of an end of fastener 1, connect by oil duct 6 between the first cavity 28 and the second cavity 29, an end cylinder bottom that forms the cylinder body of the second cavity 29 is provided with oil inlet and outlet 7; Mainly form between the one side of piston 25 and piston 25 in sealing ring 24 being arranged with sealing ring 24, the first cavitys 28 on piston rod 27 between annular protrusion 271 and piston 25.
Concrete, when hydraulic system provides pressure by oil inlet and outlet 7 to actuating unit 2, hydraulic oil enters into the second cavity 29, and enter into the first cavity 28 by oil duct 6, and then hydraulic oil can produce thrust by acting on simultaneously 27 pairs of piston rods of piston 25 and piston rod 21, played under the prerequisite of identical bore size size, piston rod 27 is provided the effect of larger pressure; By sealing ring 24 being set to improve hydraulic efficiency;
Concrete, when hydraulic system stops providing pressure to actuating unit 2,22 pulling force that piston rod 27 is produced along crossbeam 4 length directions of flexible member, because the power of flexible member 22 is because the extruding that is subject to piston rod 27 forms, therefore can obtain lasting pulling force under the help that need not other system, and then play the effect of saving the energy.
On the basis of above-mentioned technical characterictic, further, between the inclined-plane of the inclined-plane of wedge 11 and lower wedge block 12, anti-attrition element 13 is set; Between wedge limiting component 31 and wedge 11, anti-attrition element 13 is set.By between lower wedge block 12 and wedge 11, anti-attrition element 13 being set, between wedge limiting component 31 and wedge 11, anti-attrition element 13 is set, reduced between lower wedge block 12 and wedge 11 and the frictional resistance between wedge limiting component 31 and wedge 11, and then reduced wedge 11 on the inclined-plane and with the contact-making surface of wedge limiting component 31 on frictional dissipation, improve the downforce of 11 pairs of lower wedge blocks 12 of wedge, and then promoted the fastening effect of fastener 1.
Preferably, anti-attrition element 13 can be needle roller.
Preferably, flexible member 22 can be the dish spring, and deformation that the dish spring can be less produces larger active force, therefore adopts the dish spring can be when reducing usage space as flexible member 22, also played simple in structure, easy-to-install effect.
Optionally, actuating unit 2 also comprises separable seal cover 23, and seal cover 23 is screwed in actuating unit 2 by screw thread.By screw thread, seal cover 23 is screwed in actuating unit 2, can improves the stable degree that cylinder cap 23 is connected with actuating unit 2, simultaneously simple in structure, failure rate is low.
Preferably, oil duct 6 can be arranged on piston rod 27.
On the basis of above-mentioned technical characterictic, further, fastener 1 also comprises the adjustment pressing plate 14 that is arranged on for adjusting distance between lower wedge block 12 and column 5 between lower wedge block 12 and column 5.Adjust pressing plate 14 to adjust the distance between lower wedge block 12 and column 5 by arranging, be convenient to the adjustment to the position of the position of fastener 1 and lower wedge block 12.
The above is only the utility model preferred embodiment; not thereby limit embodiment of the present utility model and protection domain; to those skilled in the art; should recognize that being equal to that all utilization the utility model specifications and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection domain of the present utility model.
Claims (10)
1. a Longmen machine tool machine beam clamping device, is characterized in that, comprises
Fastener, be fixed on the crossbeam of Longmen machine tool, described fastener comprises wedge and the lower wedge block that the inclined-plane leans on mutually, and described lower wedge block contacts with the column of described Longmen machine tool, and exerts pressure to described column when described wedge is subjected to pulling force along described crossbeam direction;
Actuating unit is fixed on the crossbeam of Longmen machine tool, and described actuating unit comprises the effect end, and described effect end is connected with described wedge, for the thrust or the pulling force that described wedge are applied along described crossbeam length direction;
Limiting component comprises wedge limiting component and lower wedge block limiting component; Described wedge limiting component is arranged on the top of described wedge, prevents that described wedge from moving up; Described lower wedge block limiting component is arranged at described lower wedge block towards described actuating unit one side, prevents that described lower wedge block from moving towards described actuating unit;
Described actuating unit comprises a flexible member, when described flexible member makes described actuating unit without External Force Acting, described wedge is produced pulling force along described crossbeam length direction.
2. a kind of Longmen machine tool machine beam clamping device as claimed in claim 1, it is characterized in that, described actuating unit comprises the oil cylinder that arranges along described crossbeam length direction, described effect end is mainly formed by the end that the piston rod of described oil cylinder stretches out the cylinder body of described oil cylinder, described piston rod is positioned at the annular protrusion that is provided with on the section of described cylinder body radially, described annular protrusion forms restriction to described flexible member in described oil cylinder towards the cylinder bottom of described fastener one end, and makes described flexible member be in squeezed state; Also comprise a piston, described piston and described piston rod be positioned at described annular protrusion dorsad a side of described flexible member be connected; Form the first cavity between described annular protrusion and described piston, described piston and described cylinder body form the second cavity dorsad between the cylinder bottom of an end of described fastener, connect by oil duct between described the first cavity and described the second cavity, an end cylinder bottom that forms the described cylinder body of described the second cavity is provided with oil inlet and outlet.
3. a kind of Longmen machine tool machine beam clamping device as claimed in claim 1, is characterized in that, is provided with the anti-attrition element between the inclined-plane of described wedge and the inclined-plane of described lower wedge block.
4. a kind of Longmen machine tool machine beam clamping device as claimed in claim 1, is characterized in that, is provided with the anti-attrition element between described wedge limiting component and described wedge.
5. a kind of Longmen machine tool machine beam clamping device as claimed in claim 1, is characterized in that, described fastener also comprises the adjustment pressing plate that is arranged on for adjusting distance between lower wedge block and column between described lower wedge block and column.
6. a kind of Longmen machine tool machine beam clamping device as claimed in claim 2, it is characterized in that, be arranged with sealing ring on described piston rod between described annular protrusion and described piston, described the first cavity mainly forms between the one side of described piston and described piston in described sealing ring.
7. a kind of Longmen machine tool machine beam clamping device as claimed in claim 2, is characterized in that, described oil duct is arranged on described piston rod.
8. a kind of Longmen machine tool machine beam clamping device as claimed in claim 3, is characterized in that, described anti-attrition element is needle roller.
9. a kind of Longmen machine tool machine beam clamping device as claimed in claim 4, is characterized in that, described anti-attrition element is needle roller.
10. as a kind of Longmen machine tool machine beam clamping device as described in arbitrary in claim 1-8, it is characterized in that, described flexible member is the dish spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130086 CN203266116U (en) | 2013-03-20 | 2013-03-20 | Gantry machine tool cross beam clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130086 CN203266116U (en) | 2013-03-20 | 2013-03-20 | Gantry machine tool cross beam clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203266116U true CN203266116U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130086 Expired - Fee Related CN203266116U (en) | 2013-03-20 | 2013-03-20 | Gantry machine tool cross beam clamping device |
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| Country | Link |
|---|---|
| CN (1) | CN203266116U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312578A (en) * | 2015-06-23 | 2017-01-11 | 星视野精密机械股份有限公司 | Cross beam clamping mechanism of gantry machining machine |
| TWI571351B (en) * | 2015-06-12 | 2017-02-21 | Gantry tooling machine girder clamping mechanism | |
| CN106881597A (en) * | 2017-04-25 | 2017-06-23 | 环球工业机械（东莞）有限公司 | A kind of gantry mill moves beam locking device |
| CN107838692A (en) * | 2017-12-21 | 2018-03-27 | 四川理工学院 | A kind of cross beam clamping mechanism for Heavy Traverse lifting Longmen machine tool |
-
2013
- 2013-03-20 CN CN 201320130086 patent/CN203266116U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI571351B (en) * | 2015-06-12 | 2017-02-21 | Gantry tooling machine girder clamping mechanism | |
| CN106312578A (en) * | 2015-06-23 | 2017-01-11 | 星视野精密机械股份有限公司 | Cross beam clamping mechanism of gantry machining machine |
| CN106312578B (en) * | 2015-06-23 | 2018-10-26 | 星视野精密机械股份有限公司 | The cross beam clamping mechanism of gantry processor |
| CN106881597A (en) * | 2017-04-25 | 2017-06-23 | 环球工业机械（东莞）有限公司 | A kind of gantry mill moves beam locking device |
| CN107838692A (en) * | 2017-12-21 | 2018-03-27 | 四川理工学院 | A kind of cross beam clamping mechanism for Heavy Traverse lifting Longmen machine tool |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150928 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Patentee after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201413, No. two, 318 Avenue, Lingang Industrial Park, Shanghai, Pudong New Area, A Patentee before: Seiki Co., Ltd. Shanghai Sany |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |