CN102152129A - Structure of long cantilever - Google Patents
Structure of long cantilever Download PDFInfo
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- CN102152129A CN102152129A CN 201110064147 CN201110064147A CN102152129A CN 102152129 A CN102152129 A CN 102152129A CN 201110064147 CN201110064147 CN 201110064147 CN 201110064147 A CN201110064147 A CN 201110064147A CN 102152129 A CN102152129 A CN 102152129A
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- cantilever beam
- cantilever
- brace summer
- cylinder
- head assembly
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Abstract
The invention relates to the technical field of machine tools, in particular to a structure of a long cantilever, which comprises a cantilever beam, wherein the cantilever beam is connected with a driving assembly and an attachment head assembly; the attachment head assembly is connected with a cutter; the cantilever beam is externally provided with a planker and is internally provided with a supporting beam and a balance cylinder; and the balance cylinder is fixed on the supporting beam. The invention has a simple structure, realizes dynamic compensation by structural improvement, and solves the problem that the quality of products is reduced due to the difference of downwarping amplitudes, thereby improving the production efficiency and bringing economic benefits to an enterprise.
Description
Technical field
The present invention relates to the cantilever beam on a kind of lathe, relate in particular to a kind of structure of long cantilever.
Background technology
In the prior art; the square ram of lathe is along with the extension elongation difference of ram; the amplitude of the downwarp of ram is also different; in actual applications, for the occasion that size and required precision are arranged, because structural reason; the phenomenon that downwarp and corner usually can occur; cause at work, product occurs defective, the result that quality descends.In present related application occasion, generally use and above the horizontal beam cross section, prolong laterally, fix one or more drawing cylinder at the cantilever two ends, notes draw the curved trend of presenting with high pressure oil with cantilever beam, thereby obtain the compensation of downwarp amount to a certain extent, but such solution poor effect, the one, need be pulled to the cantilever beam distortion, so the very big very difficult control of tensioning pressure; The 2nd, cantilever is strained sweep and effective weight modification curves degree extreme difference in the formed distortion, so whole structure is very poor, solves transversal stretching cantilever section deadweight downwarp problem and has become the most serious stumbling-block of relevant industries.
Summary of the invention
The technical problem to be solved in the present invention is: in the prior art, because the square ram structure of lathe, the phenomenon of downwarp and corner usually can occur, cause at work, product occurs defective, and the result of quality decline provides a kind of structure of long cantilever.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: the present invention includes cantilever beam, cantilever beam connects the driving assembly, cantilever beam coupling head assembly, the annex head assembly connects cutter, and cantilever beam is provided with planker outward, is provided with brace summer in the described cantilever beam, be provided with balancing cylinder in the cantilever beam, described balancing cylinder is fixed on the brace summer.
According to another embodiment of the invention, comprise that further described balancing cylinder is made up of cylinder body, sealing ring, screw, oil cylinder cover and balance oil cylinder piston, described balancing cylinder piston places in the cylinder body, and cylinder body is provided with oil cylinder cover.
According to another embodiment of the invention, comprise that further described balancing cylinder piston is provided with sealing ring.
According to another embodiment of the invention, further comprise the stiffener that is connected and fixed of described cantilever beam and brace summer, be provided with the connection gusset in the brace summer.
The invention has the beneficial effects as follows: of the present invention simple in structure, through structural improvement, realize dynamic compensation, solved because the difference of downwarp amplitude causes the result of deterioration in quality, improved production efficiency, brought economic benefit to enterprise.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of balancing cylinder of the present invention;
Wherein: 1, cantilever beam, 2, the balancing cylinder piston, 3, oil cylinder cover, 4, screw, 5, sealing ring, 6, cylinder body, 7, brace summer, 8,9,10,11, connect gusset, 12, stiffener, 13, the annex head assembly, 14, cutter, 15, drive assembly, 16, planker, 17, balancing cylinder.
The specific embodiment
The structure of long cantilever of the present invention is made up of cantilever beam 1, balancing cylinder piston 2, oil cylinder cover 3, screw 4, sealing ring 5, cylinder body 6, brace summer 7, connection gusset 8,9,10,11, stiffener 12, annex head assembly 13, cutter 14, driving assembly 15, planker 16 and balancing cylinder 17 these parts.
Fig. 1 is a structural representation of the present invention, comprise cantilever beam 1 among the figure, cantilever beam 1 connects driving assembly 15, cantilever beam 1 coupling head assembly 13, annex head assembly 13 connects cutter 14, is provided with planker 16 outside the cantilever beam 1, is provided with brace summer 7 in the described cantilever beam 1, be provided with balancing cylinder 17 in the cantilever beam 1, described balancing cylinder 17 is fixed on the brace summer 7.As shown in fig. 1, size A is the containing length of cantilever beam 1 in planker 16, and L is the jib-length of annex head assembly 13 on the cantilever beam 1, and B is the support force arm lengths that supports in the cantilever beam 1, and L is a variable, and A, B are constant.Because the deadweight problem of annex head assembly 13 and cantilever beam 1, downwarp and corner phenomenon appear in cantilever portion branch, and this is one and follows the variable that L changes, as long as the deadweight of a dynamic balance annex head assembly that makes progress 13 and cantilever beam 1 is arranged, and make equalising torque, just can solve downwarp and corner problem, pass through among the present invention in cantilever beam 1 inside, built-in (or many) brace summer 7, with the deadweight of built-in brace summer 7 balances, carrying cantilever beam 1, thereby very easily cleverly the downwarp problem of horizontal boom beam 1 is well solved.In the rear end of built-in brace summer 7, brace summer 7 firmly is fixed on the cantilever beam 1 by on the length that contains at cantilever beam 1, brace summer 7 is removed the regular length part, remains the free end into brace summer 7.The present invention produces power F by being fixed on the balancing cylinder 17 on the brace summer 7, finally solves the problem of downwarp and corner.
Described balancing cylinder 17 is made up of cylinder body 6, sealing ring 5, screw 4, oil cylinder cover 3 and balance oil cylinder piston 2, and described balancing cylinder piston 2 places in the cylinder body 6, and cylinder body 6 is provided with oil cylinder cover 3.Balancing cylinder 17 produces power F, is used for the downward power that the deadweight of balance girder produced, and finally solves downwarp and corner problem.Driving along with driver part, the jib-length L of cantilever beam 1 changes, the amplitude and the corner of downwarp also change, i.e. compensation needs dynamic, for solving dynamic compensation, to increase hydraulic proportion valve on the balancing cylinder 17 in the present invention, come the pressure of adjustment oil cylinder 17 to change, the size of occurrence is obtained by actual measurement downwarp data, extension elongation L is in different scopes, thereby come dynamic control ratio valve regulation hydraulic pressure size to change the size of balancing cylinder 17 power by digital control system, realize dynamic compensation.
Described balancing cylinder piston 2 is provided with sealing ring 5.
Described cantilever beam 1 and brace summer 7 be connected and fixed stiffener 12, be provided with in the brace summer 7 and connect gusset 8,9,10,11.By in cantilever beam 1 inside, built-in (or many) brace summer 7 with the deadweight of built-in brace summer 7 balances, carrying cantilever beam 1, thereby very easily is well solved the downwarp problem of horizontal boom beam 1 cleverly among the present invention.In the rear end of built-in brace summer 7, brace summer 7 firmly is fixed on the cantilever beam 1 by on the length that contains at cantilever beam 1, brace summer 7 is removed the regular length part, remains the free end into brace summer 7.The present invention produces power F by being fixed on the balancing cylinder 17 on the brace summer 7, finally solves the problem of downwarp and corner.
Fig. 2 is the structural representation of balancing cylinder of the present invention, comprises that described balancing cylinder 17 is made up of cylinder body 6, sealing ring 5, screw 4, oil cylinder cover 3 and balance oil cylinder piston 2, and described balancing cylinder piston 2 places in the cylinder body 6, and cylinder body 6 is provided with oil cylinder cover 3.Described balancing cylinder piston 2 is provided with sealing ring 5.Balancing cylinder 17 produces power F, is used for the downward power that the deadweight of balance girder produced, and finally solves downwarp and corner problem.Along with the driving that drives assembly 15, the jib-length L of ram cantilever beam 1 changes, the amplitude and the corner of downwarp also change, it is dynamic that i.e. compensation needs, for solving dynamic compensation, in this case, to increase hydraulic proportion valve, come the pressure of adjustment oil cylinder to change, the size of occurrence is obtained by actual measurement downwarp data, extension elongation L is in different scopes, thereby come dynamic control ratio valve regulation hydraulic pressure size to change the size of oil cylinder power by digital control system, realize dynamic compensation.
Claims (4)
1. the structure of a long cantilever, comprise cantilever beam (1), cantilever beam (1) connects driving assembly (15), cantilever beam (1) coupling head assembly (13), annex head assembly (13) connects cutter (14), and cantilever beam (1) is outer to be provided with planker (16), it is characterized in that: be provided with brace summer (7) in the described cantilever beam (1), be provided with balancing cylinder (17) in the cantilever beam (1), described balancing cylinder (17) is fixed on the brace summer (7).
2. the structure of long cantilever as claimed in claim 1, it is characterized in that: described balancing cylinder (17) is made up of cylinder body (6), sealing ring (5), screw (4), oil cylinder cover (3) and balance oil cylinder piston (2), described balancing cylinder piston (2) places in the cylinder body (6), and cylinder body (6) is provided with oil cylinder cover (3).
3. the structure of long cantilever as claimed in claim 2, it is characterized in that: described balancing cylinder piston (2) is provided with sealing ring (5).
4. the structure of long cantilever as claimed in claim 1 is characterized in that: described cantilever beam (1) and brace summer (7) be connected and fixed stiffener (12), be provided with in the brace summer (7) and connect gusset (8,9,10,11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100641473A CN102152129B (en) | 2011-03-17 | 2011-03-17 | Structure of long cantilever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100641473A CN102152129B (en) | 2011-03-17 | 2011-03-17 | Structure of long cantilever |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102152129A true CN102152129A (en) | 2011-08-17 |
| CN102152129B CN102152129B (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100641473A Active CN102152129B (en) | 2011-03-17 | 2011-03-17 | Structure of long cantilever |
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| Country | Link |
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| CN (1) | CN102152129B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478242A (en) * | 2021-07-14 | 2021-10-08 | 南京伟诚机械制造有限公司 | Cantilever operation box applied to automatic numerical control machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015900A (en) * | 2007-02-27 | 2007-08-15 | 江苏恒力组合机床有限公司 | Ram extending droop subsection deformation compensating unit |
| US7534078B1 (en) * | 2008-04-22 | 2009-05-19 | Cincinnati Machine, Llc | Consistent rigidity construction arrangement for a machine tool |
| CN101456129A (en) * | 2008-12-31 | 2009-06-17 | 广东工业大学 | Pretension beam structure of large-span gantry machine tool |
| CN101832307A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Frictionless balancing cylinder |
| CN101913106A (en) * | 2010-08-05 | 2010-12-15 | 齐齐哈尔二机床(集团)有限责任公司 | Ram bending deformation two-way compensating device |
| CN202045504U (en) * | 2011-03-17 | 2011-11-23 | 江苏新瑞重工科技有限公司 | Long cantilever structure |
-
2011
- 2011-03-17 CN CN2011100641473A patent/CN102152129B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015900A (en) * | 2007-02-27 | 2007-08-15 | 江苏恒力组合机床有限公司 | Ram extending droop subsection deformation compensating unit |
| US7534078B1 (en) * | 2008-04-22 | 2009-05-19 | Cincinnati Machine, Llc | Consistent rigidity construction arrangement for a machine tool |
| CN101456129A (en) * | 2008-12-31 | 2009-06-17 | 广东工业大学 | Pretension beam structure of large-span gantry machine tool |
| CN101832307A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Frictionless balancing cylinder |
| CN101913106A (en) * | 2010-08-05 | 2010-12-15 | 齐齐哈尔二机床(集团)有限责任公司 | Ram bending deformation two-way compensating device |
| CN202045504U (en) * | 2011-03-17 | 2011-11-23 | 江苏新瑞重工科技有限公司 | Long cantilever structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478242A (en) * | 2021-07-14 | 2021-10-08 | 南京伟诚机械制造有限公司 | Cantilever operation box applied to automatic numerical control machine tool |
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| Publication number | Publication date |
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| CN102152129B (en) | 2012-08-22 |
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