CN103522085A - Clamping device and machining center of rotating table - Google Patents
Clamping device and machining center of rotating table Download PDFInfo
- Publication number
- CN103522085A CN103522085A CN201310456021.XA CN201310456021A CN103522085A CN 103522085 A CN103522085 A CN 103522085A CN 201310456021 A CN201310456021 A CN 201310456021A CN 103522085 A CN103522085 A CN 103522085A
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- brake disc
- clamping device
- rotary table
- interior
- table base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/28—Means for securing sliding members in any desired position
- B23Q1/287—Means for securing sliding members in any desired position using a hydraulically controlled membrane acting directly upon a sliding member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a clamping device and a machining center of a rotating table, and belongs to the field of machine manufacturing. The clamping device comprises a table base 1, a rotating body 2, an outer brake disc 3, an inner brake disc 4, a hydraulic oil cylinder and a brake pad 5, wherein the rotating body 2, the outer brake disc 3, the inner brake disc 4, the hydraulic oil cylinder and the brake pad 5 are arranged on the table base 1 and rotate along the table base 1. The inner brake disc 4 is fixedly arranged on the table base 1 and arranged between the table base 1 and the rotating body 2, the outer brake disc 3 is arranged between the inner brake disc 4 and the rotating body 2, connected with the inner brake disc 4 in a sealed and sliding mode and matched with the inner brake disc 4 to form an operation oil cavity, the inner brake disc 4 is provided with an oil hole 6, the operation oil cavity is communicated with the hydraulic oil cylinder through the oil hole, and the brake pad 5 is arranged between the outer brake disc 3 and the rotating body 2. According to the technical scheme of the clamping device, a piston disc is pushed through hydraulic oil, friction moment is generated between friction plates, and therefore locking and positioning are achieved. The clamping device is simple in structure, large in enclasping radius and reliable in locking.
Description
Technical field
The invention belongs to plant equipment and manufacture field, relate to a kind of clamping device, relate in particular to a kind of clamping device and machining center of rotary table.
Background technology
As application in the basic function parts work in-process heart, lathe, Gear Processing locomotive, boring and milling machine at most, high-end Digit Control Machine Tool also just proposes higher requirement to the performance of rotary table to turntable.
Rotary table, as the key feature of boring-milling center, is being realized the straight-line workpiece circular index that simultaneously completes of lathe, and clamped one time just can be realized the processing to each face of workpiece.In workpiece process, rotary table reply workbench is located reliably and clamps.While needing circular index or workbench exchange, require rotary table to unclamp work top.
At present the mode of work top positioning and locking is had to axial locking and radially locking, radially locking is generally to lock by hydraulic fluid pressure, utilize the strain of locking device material to loosen workbench, this mode is higher to the requirement of material, fastening torque is little, there is rotary inertia, and be not suitable for the workbench of Large diameter rotary.Axial locking, the power (general hydraulic coupling) of utilizing rotary table axially to produce, is converted into frictional force and produces braking torque.Also there is various ways to realize, wherein hydraulic oil locking, after pressure release, elastic properties of materials distortion is loosened, and material requirements is high, and difficulty of processing is large, expensive.Also there is many discharge opeings of employing cylinder pressure to carry out clamping table, the bad assurance of uniformity.
Summary of the invention
In view of this, the present invention, by utilizing hydraulic oil to promote piston plate, produces moment of friction, thereby realizes locking positioning between friction plate, and it is simple in structure, it is large to hold radius tightly, reliable lock.
For achieving the above object, concrete technical scheme is as follows:
On the one hand, a kind of clamping device of rotary table is provided, comprise table base and be located at along the revolving body of described table base rotation, also comprise outer brake disc, interior brake disc, hydraulic jack and brake block, described interior brake disc is fixed on described table base, described interior brake disc is located between described table base and revolving body, described outer brake disc is located between described interior brake disc and revolving body, between described outer brake disc and interior brake disc, slipper seal connects and coordinates formation working oil chamber, described interior brake disc is provided with oilhole, described working oil chamber communicates with described hydraulic jack by described oilhole, described brake block is located between described outer brake disc and revolving body.
Preferably, the glide direction of described outer brake disc is vertical with described revolving body.
Preferably, described brake block comprises first brake sheet and the second brake block, and described first brake sheet is fixedly connected with described table base, and described the second brake block is fixedly connected with described revolving body.
Preferably, described the second brake block comprises two friction plates, and described first brake sheet is between described two friction plates.
Preferably, described the second brake block comprises three friction plates.
Preferably, on described outer brake disc, close on the side of described revolving body and be also provided with some boss.
Preferably, also comprise gland, described gland, interior brake disc are fixedly connected with described table base by screw successively.
Preferably, between described outer brake disc and interior brake disc, by sealing ring, be tightly connected.
Preferably, described outer brake disc and interior brake disc coordinate the annular that is shaped as of the working oil chamber that forms.
On the other hand, provide a kind of machining center, comprise the clamping device of rotary table as above.
With respect to prior art, the advantage of technical scheme of the present invention has:
1, adopt the form of friction plate, simple in structure, manufacture simple installation;
2, friction plate adopts two modes that clamp a slice, all produces up and down moment of friction, and larger enclasping force can be provided;
3, outer brake disc bossing, through Overheating Treatment, strengthens the bossing that its hardness and wearability and bossing are divided into several interruptions, can contact with friction plate better.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of the brake block of the embodiment of the present invention.
Wherein, 1 is that table base, 2 is that revolving body, 3 is that outer brake disc, 4 is that interior brake disc, 5 is that brake block, 6 is that oilhole, 7 is that sealing ring, 8 is that first brake sheet, 9 is the secondth brake block.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.
Below with reference to accompanying drawing, embodiments of the invention are done to concrete explaination.
The clamping device of the rotary table of embodiments of the invention, comprises table base 1 and is located at along revolving body 2, outer brake disc 3, interior brake disc 4, hydraulic jack and the brake block 5 of table base 1 rotation as shown in Figure 1.
Embodiments of the invention, by utilizing hydraulic oil to promote piston plate, produce moment of friction, thereby realize locking positioning between friction plate, and it is simple in structure, it is large to hold radius tightly, reliable lock.
As shown in fig. 1, in an embodiment of the present invention, preferably the glide direction of outer brake disc 3 is vertical with revolving body 2, by the jack-up increasing friction force of oil pocket.And preferably, brake disc all passes through suitable heat treatment, guarantees their Rigidity and strength.
As shown in figs. 1 and 2, in an embodiment of the present invention, interior brake disc 4 is preferably fixed by screws on table base 1, and interior brake disc 4 matched in clearance of outer brake disc 3, form an annular working oil chamber.In the sealed groove of outer brake disc 3 and interior brake disc 4, sealing ring 7 is housed.Gland maintains static together with putting together on by screw with interior brake disc 4.
Hydraulic oil is by the oilhole on table base 1, enter the oilhole of interior brake disc 4, between interior brake disc 4 and table base 1, sealing ring is housed, thereby hydraulic oil enters in the working oil chamber of interior brake disc 4 and 3 formation of outer brake disc, promote outer brake disc 3 to moving upward as shown in the figure, between friction plate and friction plate, produce moment of friction.After oil pressure is laid down, outer brake disc 3 loosens friction plate under the effect of self gravitation, thereby loosens revolving body 2.Preferably adopt four friction plates to realize locking, all adopt special material, special thermal treatment, increases wearability.It is fixed wherein having a slice, and other three are rotated with revolving body 2, and in the time of clamping, the friction plate of two rotations clamps the fixing friction plate of a slice under the pressure of brake disc outside and reaches braking effect.
And preferably outer brake disc 3 is provided with the some boss that are divided into by annular projection, locking effect is better than monoblock boss, and processes through high-frequency quenching, greatly strengthens its hardness and wearability.
In embodiments of the invention, also comprise a kind of machining center, be provided with the clamping device of rotary table described above.Because the clamping device of above-mentioned rotary table has above-mentioned technique effect, therefore, the machining center that is provided with the clamping device of this rotary table also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (10)
1. the clamping device of a rotary table, comprise table base (1) and be located at along the revolving body (2) of described table base (1) rotation, it is characterized in that, also comprise outer brake disc (3), interior brake disc (4), hydraulic jack and brake block (5), described interior brake disc (4) is fixed on described table base (1), described interior brake disc (4) is located between described table base (1) and revolving body (2), described outer brake disc (3) is located between described interior brake disc (4) and revolving body (2), between described outer brake disc (3) and interior brake disc (4), slipper seal connects and coordinates formation working oil chamber, described interior brake disc (4) is provided with oilhole (6), described working oil chamber communicates with described hydraulic jack by described oilhole (6), described brake block (5) is located between described outer brake disc (3) and revolving body (2).
2. the clamping device of rotary table as claimed in claim 1, is characterized in that, the glide direction of described outer brake disc (3) is vertical with described revolving body (2).
3. the clamping device of rotary table as claimed in claim 2, it is characterized in that, described brake block (5) comprises first brake sheet (8) and the second brake block (9), described first brake sheet (8) is fixedly connected with described table base (1), and described the second brake block (9) is fixedly connected with described revolving body (2).
4. the clamping device of rotary table as claimed in claim 3, is characterized in that, described the second brake block (9) comprises two friction plates, and described first brake sheet (8) is between described two friction plates.
5. the clamping device of rotary table as claimed in claim 4, is characterized in that, described the second brake block (9) comprises three friction plates.
6. the clamping device of rotary table as claimed in claim 5, is characterized in that, closes on the side of described revolving body (2) and be also provided with some boss on described outer brake disc (3).
7. the clamping device of rotary table as claimed in claim 6, is characterized in that, also comprises gland, and described gland, interior brake disc (4) are fixedly connected with described table base (1) by screw successively.
8. the clamping device of rotary table as claimed in claim 7, is characterized in that, between described outer brake disc (3) and interior brake disc (4), by sealing ring (7), is tightly connected.
9. the clamping device of rotary table as claimed in claim 8, is characterized in that, described outer brake disc (3) and interior brake disc (4) coordinate the annular that is shaped as of the working oil chamber that forms.
10. a machining center, is characterized in that, comprises the clamping device of the rotary table as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456021.XA CN103522085A (en) | 2013-09-29 | 2013-09-29 | Clamping device and machining center of rotating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456021.XA CN103522085A (en) | 2013-09-29 | 2013-09-29 | Clamping device and machining center of rotating table |
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| CN103522085A true CN103522085A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310456021.XA Pending CN103522085A (en) | 2013-09-29 | 2013-09-29 | Clamping device and machining center of rotating table |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128805A (en) * | 2014-07-16 | 2014-11-05 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
| CN104249250A (en) * | 2014-07-25 | 2014-12-31 | 朱晓亮 | Turning and milling combined machine |
| CN104858672A (en) * | 2014-02-26 | 2015-08-26 | 发那科株式会社 | Rotation table device |
| CN105171443A (en) * | 2015-09-16 | 2015-12-23 | 山东永华机械有限公司 | Rotary working table tight braking device of numerical control machine tool |
| CN107127588A (en) * | 2017-06-30 | 2017-09-05 | 宁波海天精工股份有限公司 | A kind of cradle turntable |
| CN107866680A (en) * | 2016-09-23 | 2018-04-03 | 兄弟工业株式会社 | Rotating plate device and clamping unit |
| CN112388338A (en) * | 2020-11-16 | 2021-02-23 | 珠海格力智能装备有限公司 | Rotary table |
| CN112566752A (en) * | 2018-08-10 | 2021-03-26 | 索特精密机械有限公司 | Device for producing a clamping |
| CN113400069A (en) * | 2021-05-06 | 2021-09-17 | 北京科技大学 | Hydraulic double-elastomer deformation type locking device |
| CN113814733A (en) * | 2021-11-04 | 2021-12-21 | 泉州市创佳自动化设备有限公司 | Vertical turning and milling combined machining center |
| CN113915254A (en) * | 2021-09-03 | 2022-01-11 | 沃世机械(江苏)有限公司 | Index plate brake structure |
| CN114102181A (en) * | 2021-11-26 | 2022-03-01 | 齐齐哈尔二机床(集团)有限责任公司 | Corner clamping mechanism of floating multi-piece type double-swing-angle milling head |
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| CN102837196A (en) * | 2012-08-31 | 2012-12-26 | 宁波海天精工股份有限公司 | Tight braking device for numeric control rotary table |
| CN203171263U (en) * | 2013-04-18 | 2013-09-04 | 重庆机床(集团)有限责任公司 | Corner locking device for knife rest of gear machine tool |
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| EP0554727A1 (en) * | 1992-01-23 | 1993-08-11 | Smc Corporation | Rodless cylinder unit with brake |
| JP2003311590A (en) * | 2002-04-22 | 2003-11-05 | Kitagawa Iron Works Co Ltd | Clamp structure of dividing table |
| JP2009061582A (en) * | 2007-08-11 | 2009-03-26 | Kitagawa Iron Works Co Ltd | Clamp mechanism in index table |
| CN101954597A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN102837196A (en) * | 2012-08-31 | 2012-12-26 | 宁波海天精工股份有限公司 | Tight braking device for numeric control rotary table |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858672A (en) * | 2014-02-26 | 2015-08-26 | 发那科株式会社 | Rotation table device |
| CN104858672B (en) * | 2014-02-26 | 2018-05-04 | 发那科株式会社 | Rotary table device |
| CN104128805B (en) * | 2014-07-16 | 2017-02-08 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
| CN104128805A (en) * | 2014-07-16 | 2014-11-05 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
| CN104249250A (en) * | 2014-07-25 | 2014-12-31 | 朱晓亮 | Turning and milling combined machine |
| CN105171443A (en) * | 2015-09-16 | 2015-12-23 | 山东永华机械有限公司 | Rotary working table tight braking device of numerical control machine tool |
| CN107866680A (en) * | 2016-09-23 | 2018-04-03 | 兄弟工业株式会社 | Rotating plate device and clamping unit |
| CN107127588A (en) * | 2017-06-30 | 2017-09-05 | 宁波海天精工股份有限公司 | A kind of cradle turntable |
| CN112566752A (en) * | 2018-08-10 | 2021-03-26 | 索特精密机械有限公司 | Device for producing a clamping |
| CN112388338A (en) * | 2020-11-16 | 2021-02-23 | 珠海格力智能装备有限公司 | Rotary table |
| CN113400069A (en) * | 2021-05-06 | 2021-09-17 | 北京科技大学 | Hydraulic double-elastomer deformation type locking device |
| CN113400069B (en) * | 2021-05-06 | 2022-09-13 | 北京科技大学 | Hydraulic double-elastomer deformation type locking device |
| CN113915254A (en) * | 2021-09-03 | 2022-01-11 | 沃世机械(江苏)有限公司 | Index plate brake structure |
| CN113915254B (en) * | 2021-09-03 | 2024-07-02 | 沃世机械(江苏)有限公司 | Index plate brake structure |
| CN113814733A (en) * | 2021-11-04 | 2021-12-21 | 泉州市创佳自动化设备有限公司 | Vertical turning and milling combined machining center |
| CN114102181A (en) * | 2021-11-26 | 2022-03-01 | 齐齐哈尔二机床(集团)有限责任公司 | Corner clamping mechanism of floating multi-piece type double-swing-angle milling head |
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Effective date of registration: 20150918 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Applicant after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201306 Pudong New Area Port Industrial Park, Shanghai, No. two port road, block A, 318 Applicant before: Seiki Co., Ltd. Shanghai Sany |
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Application publication date: 20140122 |