CN103213020A - Cross beam expansion joint based on flexible hinge structure - Google Patents
Cross beam expansion joint based on flexible hinge structure Download PDFInfo
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- CN103213020A CN103213020A CN201210015748XA CN201210015748A CN103213020A CN 103213020 A CN103213020 A CN 103213020A CN 201210015748X A CN201210015748X A CN 201210015748XA CN 201210015748 A CN201210015748 A CN 201210015748A CN 103213020 A CN103213020 A CN 103213020A
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- crossbeam
- flexible hinge
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Abstract
The invention relates to the technical field of gantry machine tools, in particular to a connecting structure. A cross beam expansion joint based on a flexible hinge structure comprises a connecting piece for connecting a cross beam with an upright post, the connecting piece adopts a crash pad and comprises an upright post fixing part and a cross beam fixing part; an upright post fixing hole used for being fixed with the upright post is formed in the upright post fixing part; a cross beam fixing hole used for being fixed with the cross beam is formed in the cross beam fixing part; and the upright post fixing part is connected with the cross beam fixing part by adopting the flexible hinge structure. Due to the adoption of the technical scheme, the cross beam expansion joint disclosed by the invention is arranged between the cross beam and the upright post and can be used for effectively solving the problem of stress deformation caused by the expansion of the cross beam when the cross beam is heated.
Description
Technical field
The present invention relates to the Longmen machine tool technical field, be specifically related to a kind of syndeton.
Background technology
The lathe size of gantry structure is bigger usually, and adopts metal material to make.With reference to Fig. 1, two columns 11 about the lathe of gantry structure mainly comprises, be arranged on the crossbeam 12 on the column 11, crossbeam 12 is high-precision structural members.Conventional engineering material all has the problem of expanded by heating distortion, as the typical steel heat coefficient of expansion is 10 * 10-6m/m* ℃, the coefficient of expansion of aluminium alloy is 22 * 10-6m/m* ℃, under the condition of 1 degree centigrade of the every rising of temperature, 1 meter long steel crossbeam expands 10 microns, and 1 meter long aluminium alloy crossbeam expands 22 microns.Crossbeam 12 expands and must cause corresponding stress deformation problem, causes the structural member precision to change or the way rub aggravation, and the life-span descends.
Summary of the invention
The objective of the invention is to, a kind of crossbeam expansion joints based on the flexible hinge structure is provided, solve above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of crossbeam expansion joints based on the flexible hinge structure, it is characterized in that, comprise that one is used to connect the connector of crossbeam and column, described connector adopts a cushion pad, described connector comprises column fixed part, crossbeam fixed part, described column fixed part is provided with and is used for and column fixing hole that column is fixing, and described crossbeam fixed part is provided with and is used for and crossbeam fixing hole that crossbeam is fixing, and employing flexible hinge structure is connected between described column fixed part and the described crossbeam fixed part.
The present invention is used for the lathe of gantry structure, the present invention is arranged on the junction of crossbeam and column, connector is fixed by column fixing hole and column, fix by crossbeam fixing hole and crossbeam, because have the flexible hinge structure between column fixed part and the crossbeam fixed part, when the crossbeam expanded by heating, flexible hinge can deform, absorb the deflection that crossbeam expands and causes, solved the stress deformation problem that the crossbeam expanded by heating causes.
Dug at least two dashpots on the connector between described column fixed part and the described cross bar fixed part, at least two described dashpots are arranged in parallel, and form described flexible hinge structure.
Described dashpot is " 1 " font, and the end of described dashpot is provided with circular auxiliary tank; The length direction of described cushion pad is parallel with the length direction of described connector.
Two described column fixed parts are arranged on along the two ends of connector length direction, and two described flexible hinge structures are separately positioned on the inboard of two described column fixed parts, and described crossbeam fixed part is arranged between two described flexible hinge structures.
Described connector is flat-shaped rectangle, and the both sides of described connector are respectively the column fixed part, and the middle part of described connector is the crossbeam fixed part, and described flexible hinge structure is two, is separately positioned between described column fixed part and the crossbeam fixed part;
Described column fixing hole is at least two, and is evenly distributed on the both sides of described connector;
Described crossbeam fixing hole is at least two, and is evenly distributed on the inboard of flexible hinge structure.
Two described crossbeam fixed parts are arranged on along the two ends of connector length direction, and two described flexible hinge structures are separately positioned on the inboard of two described crossbeam fixed parts, and described column fixed part is arranged between two described flexible hinge structures.
Use when of the present invention, the length direction of cushion pad is vertical with the length direction of crossbeam, and the rigidity of structure perpendicular to the crossbeam length direction is very high like this, and is lower along the rigidity of structure of crossbeam length direction.When the crossbeam expanded by heating, the flexible hinge structure can deform along the crossbeam length direction, absorbs the deformation quantity that crossbeam expands and causes.And the structure of vertical crossbeam direction is higher because of rigidity, can keep the original relative position of crossbeam.When crossbeam shrank, the deformation quantity of flexible hinge structure recovered, and crossbeam shrinks back initial position and do not cause that or not loosening of structure, protection crossbeam reach relevant johning knot member, kept the quality of fit of crossbeam.
Beneficial effect: owing to adopt technique scheme, adopt the present invention to be arranged between crossbeam and the column, can effectively solve the stress deformation problem that the crossbeam expanded by heating causes.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the lathe of gantry structure;
Fig. 2 is applied in the structure for amplifying schematic diagram of the lathe of gantry structure for the present invention;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the structural representation of the present invention after deforming.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 2, Fig. 3, Fig. 4, a kind of crossbeam expansion joints based on the flexible hinge structure, comprise that one is used to connect the connector 1 of crossbeam and column, connector 1 adopts a cushion pad, connector 1 comprises column fixed part 2, crossbeam fixed part 3, column fixed part 2 is provided with and is used for and the fixing column fixing hole 21 of column 11, and crossbeam fixed part 3 is provided with and is used for the crossbeam fixing hole 31 fixing with crossbeam 12, and employing flexible hinge structure 4 is connected between column fixed part 2 and the crossbeam fixed part 3.The present invention is used for the lathe of gantry structure, the present invention is arranged on the junction of crossbeam 12 and column 11, connector 1 is fixing with column 11 by column fixing hole 21, fixing by crossbeam fixing hole 31 with crossbeam 12, because have flexible hinge structure 4 between column fixed part 2 and the crossbeam fixed part 3, when the crossbeam expanded by heating, flexible hinge can deform, absorb the deflection that crossbeam expands and causes, solved the stress deformation problem that the crossbeam expanded by heating causes.
Dug at least two dashpots on the connector 1 between column fixed part 2 and the cross bar fixed part, at least two dashpots are arranged in parallel, and form flexible hinge structure 4.Dashpot is " 1 " font, and the end of dashpot is provided with circular auxiliary tank.The length direction of cushion pad is parallel with the length direction of connector 1.
Two column fixed parts 2 are arranged on along the two ends of connector 1 length direction, and two flexible hinge structures 4 are separately positioned on the inboard of two column fixed parts 2, and crossbeam fixed part 3 is arranged between two flexible hinge structures 4.Connector 1 is flat-shaped rectangle, and the both sides of connector 1 are respectively column fixed part 2, and the middle part of connector 1 is a crossbeam fixed part 3, and flexible hinge structure 4 is two, is separately positioned between column fixed part 2 and the crossbeam fixed part 3.Column fixing hole 21 is at least two, and is evenly distributed on the both sides of connector 1.Crossbeam fixing hole 31 is at least two, and is evenly distributed on the inboard of flexible hinge structure 4.
With reference to Fig. 3, Fig. 4, connector 1 of the present invention can comprise two column fixed parts 2, is separately positioned on along the two ends on connector 1 length direction.Dug 21, three column fixing holes 21 of three column fixing holes on two column fixed parts 2 respectively and arrangement has all been arranged along the width of connector 1.The inboard of two column fixed parts 2 is respectively equipped with a flexible hinge structure 4, and a plurality of dashpot length directions of flexible hinge structure 4 are consistent with the length direction of connector 1.Be provided with crossbeam fixed part 3 between two flexible hinge structures 4, dug six crossbeam fixing holes 31 on the crossbeam fixed part 3 respectively.Three crossbeam fixing holes 31 are one group, are arranged in the inboard of a flexible hinge structure 4 along the width of connector 1.
Except above-mentioned design, the present invention can also adopt following structure: two crossbeam fixed parts 3 are arranged on along the two ends of connector 1 length direction, two flexible hinge structures 4 are separately positioned on the inboard of two crossbeam fixed parts 3, and column fixed part 2 is arranged between two flexible hinge structures 4.Connector 1 is flat-shaped rectangle, and the both sides of connector 1 are respectively crossbeam fixed part 3, and the middle part of connector 1 is a column fixed part 2, and flexible hinge structure 4 is two, is separately positioned between column fixed part 2 and the crossbeam fixed part 3.Crossbeam fixing hole 31 is at least two, and is evenly distributed on the both sides of connector 1.Column fixing hole 21 is at least two, and is evenly distributed on the inboard of flexible hinge structure 4.
Use when of the present invention, the length direction of cushion pad is vertical with the length direction of crossbeam, and the rigidity of structure perpendicular to the crossbeam length direction is very high like this, and is lower along the rigidity of structure of crossbeam length direction.When the crossbeam expanded by heating, flexible hinge structure 4 can deform along the crossbeam length direction, absorbs the deformation quantity that crossbeam expands and causes.And the structure of vertical crossbeam direction is higher because of rigidity, can keep the original relative position of crossbeam.When crossbeam shrank, the deformation quantity of flexible hinge structure 4 recovered, and crossbeam shrinks back initial position and do not cause that or not loosening of structure, protection crossbeam reach relevant johning knot member, kept the quality of fit of crossbeam.
When the present invention makes, can adopt mould one time punching molded, select to have deformation material preferably, tailor the rectangle connector 1 that becomes to need size.Dig out the column fixing hole at the two ends of connector 1, dig out a plurality of dashpots that are parallel to each other in the inboard of column fixing hole, dig out the crossbeam fixing hole in the inboard of dashpot.When the present invention makes, also can adopt manufacture crafts such as mould single injection-molded.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. crossbeam expansion joints based on the flexible hinge structure, it is characterized in that, comprise that one is used to connect the connector of crossbeam and column, described connector adopts a cushion pad, described connector comprises column fixed part, crossbeam fixed part, described column fixed part is provided with and is used for and column fixing hole that column is fixing, and described crossbeam fixed part is provided with and is used for and crossbeam fixing hole that crossbeam is fixing, and employing flexible hinge structure is connected between described column fixed part and the described crossbeam fixed part.
2. a kind of crossbeam expansion joints according to claim 1 based on the flexible hinge structure, it is characterized in that, at least two dashpots have been dug on the connector between described column fixed part and the described cross bar fixed part, at least two described dashpots are arranged in parallel, and form described flexible hinge structure.
3. a kind of crossbeam expansion joints based on the flexible hinge structure according to claim 2 is characterized in that described dashpot is " 1 " font, and the end of described dashpot is provided with circular auxiliary tank; The length direction of described cushion pad is parallel with the length direction of described connector.
4. according to claim 1,2 or 3 described a kind of crossbeam expansion joints based on the flexible hinge structure, it is characterized in that, two described column fixed parts are arranged on along the two ends of connector length direction, two described flexible hinge structures are separately positioned on the inboard of two described column fixed parts, and described crossbeam fixed part is arranged between two described flexible hinge structures.
5. a kind of crossbeam expansion joints according to claim 4 based on the flexible hinge structure, it is characterized in that, described connector is flat-shaped rectangle, the both sides of described connector are respectively the column fixed part, the middle part of described connector is the crossbeam fixed part, described flexible hinge structure is two, is separately positioned between described column fixed part and the crossbeam fixed part;
Described column fixing hole is at least two, and is evenly distributed on the both sides of described connector;
Described crossbeam fixing hole is at least two, and is evenly distributed on the inboard of flexible hinge structure.
6. according to claim 1,2 or 3 described a kind of crossbeam expansion joints based on the flexible hinge structure, it is characterized in that, two described crossbeam fixed parts are arranged on along the two ends of connector length direction, two described flexible hinge structures are separately positioned on the inboard of two described crossbeam fixed parts, and described column fixed part is arranged between two described flexible hinge structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015748XA CN103213020A (en) | 2012-01-19 | 2012-01-19 | Cross beam expansion joint based on flexible hinge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015748XA CN103213020A (en) | 2012-01-19 | 2012-01-19 | Cross beam expansion joint based on flexible hinge structure |
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| CN103213020A true CN103213020A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015748XA Pending CN103213020A (en) | 2012-01-19 | 2012-01-19 | Cross beam expansion joint based on flexible hinge structure |
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| CN (1) | CN103213020A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207416A (en) * | 2020-09-17 | 2021-01-12 | 湖南坤鼎数控科技有限公司 | Friction welding static gantry beam and stand column connecting piece based on elastic element shock absorption |
| CN113251072A (en) * | 2021-04-06 | 2021-08-13 | 柯马(上海)工程有限公司 | Flexible double-drive gantry servo system |
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| CN101508085A (en) * | 2009-03-20 | 2009-08-19 | 大连机床集团有限责任公司 | Planer type boring milling bed beam deformation adjustment method |
| CN201309076Y (en) * | 2008-12-16 | 2009-09-16 | 武汉重型机床集团有限公司 | Constructional device for eliminating fixed-girder gantry machine crossbeam extension |
| CN101947747A (en) * | 2010-08-26 | 2011-01-19 | 天津大学 | Machine-tool error compensation device and numerically-controlled machine tool comprising same |
| CN202507120U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Horizontal beam expansion joint based on flexible hinge structure |
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2012
- 2012-01-19 CN CN201210015748XA patent/CN103213020A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD208772A1 (en) * | 1982-07-27 | 1984-04-11 | Gerhard Boettcher | DEVICE FOR CORRECTING THE FORMATION OF LONG CRUISERS |
| CN1362722A (en) * | 2000-12-28 | 2002-08-07 | 株式会社东芝 | Colour cathode ray tube |
| JP2008080462A (en) * | 2006-09-28 | 2008-04-10 | Naberu:Kk | Protective cover and method for manufacturing protective cover |
| CN201287178Y (en) * | 2008-10-24 | 2009-08-12 | 扬州捷迈锻压机械有限公司 | Hydraulic press frame |
| CN201309076Y (en) * | 2008-12-16 | 2009-09-16 | 武汉重型机床集团有限公司 | Constructional device for eliminating fixed-girder gantry machine crossbeam extension |
| CN101508085A (en) * | 2009-03-20 | 2009-08-19 | 大连机床集团有限责任公司 | Planer type boring milling bed beam deformation adjustment method |
| CN101947747A (en) * | 2010-08-26 | 2011-01-19 | 天津大学 | Machine-tool error compensation device and numerically-controlled machine tool comprising same |
| CN202507120U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Horizontal beam expansion joint based on flexible hinge structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207416A (en) * | 2020-09-17 | 2021-01-12 | 湖南坤鼎数控科技有限公司 | Friction welding static gantry beam and stand column connecting piece based on elastic element shock absorption |
| CN112207416B (en) * | 2020-09-17 | 2022-03-22 | 湖南坤鼎数控科技有限公司 | Friction welding static gantry beam and stand column connecting piece based on elastic element shock absorption |
| CN113251072A (en) * | 2021-04-06 | 2021-08-13 | 柯马(上海)工程有限公司 | Flexible double-drive gantry servo system |
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Application publication date: 20130724 |
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