CN202292104U - Rotating workbench - Google Patents
Rotating workbench Download PDFInfo
- Publication number
- CN202292104U CN202292104U CN2011203455369U CN201120345536U CN202292104U CN 202292104 U CN202292104 U CN 202292104U CN 2011203455369 U CN2011203455369 U CN 2011203455369U CN 201120345536 U CN201120345536 U CN 201120345536U CN 202292104 U CN202292104 U CN 202292104U
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- CN
- China
- Prior art keywords
- workbench
- central shaft
- lathe bed
- cover
- rotary table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The utility model relates to a large rotating workbench used for a numerical control machine, and the large rotating workbench comprises a lathe bed, a workbench, a gear ring and a central shaft, wherein the central shaft can be rotatably and vertically installed on the lathe bed; a sleeve is arranged between the upper end of the central shaft and a mounting hole of the central shaft of the workbench; the sleeve and the mounting hole of the central shaft of the workbench are in cylindrical surface cooperation; the sleeve and the central shaft are in conical surface cooperation; and a rotating support is installed between the workbench and the lathe bed. In the rotating workbench, the sleeve is arranged between the central shaft and the workbench, and the sleeve and the central shaft are in conical surface cooperation, so that the workbench can automatically find the central shaft to so as be positioned and installed, the machining process requirement of the workbench can be simplified, the production cost is lowered, and the production efficiency is improved. The rotating support serves as a supporting part, so that the rotating workbench is strong in bearing capability and high in rotating precision, and the complete machine precision can be obviously improved.
Description
Technical field
The utility model relates to Digit Control Machine Tool, specifically a kind of huge revolving table that is used for Digit Control Machine Tool.
Background technology
The large-sized numerical control process equipment will be accomplished the multiaspect processing of parts, the high-precision rotary working-table parts that are absolutely necessary.
Existing rotary table comprises following several kinds of forms: fall after 1, adopting hydraulic pressure to lift the panoramic table revolution; And the version through mouse tooth disk location panoramic table; Though positioning accuracy is high; But panoramic table can not be participated in interlock, because work in-process need lift workbench and workpiece, this version can only be used in the less rotary table of size simultaneously; 2, the rotary table that adopts scroll box to support, weight capacity obviously strengthens, but the processing of the edge steel face that contacts with the roller piece and splicing content are high; Difficulty is big; And because scroll box originally is to be used for straight-linely, but when doing circular motion, the scroll box roller is in the state that rolls with sliding stack; So the type rotary table is not suitable for carrying out high speed rotary, bearing capacity is also limited; 3, the huge revolving table that adopts static pressure to support, bearing capacity is big, can carry out high speed rotary; In large-scale lathe, complex milling machine tool, use more, but because in the static pressure structure, the processing and manufacturing of static pressure face requires high; Complex manufacturing, the production cycle is long, and hydraulic system is prone to the characteristic of fluctuation; Not only can't guarantee the precision of panoramic table axial runout, and be prone to cause the wearing and tearing of static pressure face, further influence the complete machine precision.
In addition, the design and installation of rotary middle spindle also is a very important ring in the rotary table design.In design in the past; Central shaft and turntable cooperate through location, the face of cylinder, but in huge revolving table the processing of column type locating surface, like employing large-sized numerical control plane milling and boring machine; Then needed the high-performance large-scale plane milling and boring machine of gantry width more than 6m; The type lathe is limited amount not only, and the cooperation processing expense is high, and this settling mode makes production cost, production efficiency etc. be difficult to control; Adopt large-scale vertical lathe turning processing then to be difficult to guarantee surface accuracy, the quality of fit not high panoramic table circular runout precision at work that makes in location also is difficult to control.
Summary of the invention
The utility model provides the rotary table that a kind of bearing capacity is strong, precision is high, cost is low to the deficiency of above-mentioned prior art.
The technical scheme that provides according to the utility model; A kind of rotary table comprises lathe bed, workbench, gear ring and central shaft, and said central shaft vertically is installed on the said lathe bed rotationally; Said stationary table is in the upper end of said central shaft, and said gear ring is fixed on the bottom of said workbench; Be provided with cover between the central shaft installing hole of the upper end of said central shaft and said workbench, adopt the face of cylinder to cooperate between the central shaft installing hole of said cover and said workbench, the employing taper seat cooperates between said cover and the said central shaft; Revolution is installed between said workbench and the said lathe bed to be supported.
The upper end of the central shaft installing hole of said workbench is equipped with seal cover.
The top of said central shaft is provided with flange, and said workbench is installed on the said flange through screw.
Be provided with pad between said flange and the said workbench.
The upper end of the screw connecting hole of said workbench is equipped with stifled.
Said revolution is supported and is installed between said lathe bed and the said gear ring.
The lower end of said central shaft is fixed with axle, and said axle is connected with the circle grating through shaft coupling.
The outer setting of said shaft coupling has cover.
Compared with present technology the utility model has the following advantages: the utility model is provided with cover between central shaft and workbench; Cover and central shaft cone match; Make workbench can find the central shaft location and installation automatically accurately; Can simplify the processing technology requirement of workbench, reduce production costs, enhance productivity; The utility model adopts revolution to support as load bearing component, and bearing capacity is strong, rotating accuracy is high, can improve the complete machine precision significantly.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Embodiment below in conjunction with in the accompanying drawing is further described the utility model.
Among Fig. 1, comprise that workbench 1, stifled 2, seal cover 3, cover 4, central shaft 5, spacer 6, blind flange 7, conical bore Biserial cylindrical roller bearing 8, spacer 9, cover 10, locking nut 11, cover 12, thrust ball bearing 13, spacer 14, locking nut 15, conical bore Biserial cylindrical roller bearing 16, pad 17, spacer 18, locking nut 19, blind flange 20, lathe bed 21, circle grating 22, pad 23, shaft coupling 24, axle 25, cover 26, revolution support 27, gear ring 28 etc.
As shown in Figure 1, the utility model is a kind of rotary table, comprises lathe bed 21, workbench 1, gear ring 28 and central shaft 5.
When lathe bed 21 parts were assembled, spacer 9 was placed in the step part on the lathe bed 21, and the outer rim of conical bore Biserial cylindrical roller bearing 8 is installed, and compressed through blind flange 7 then; Thrust ball bearing 13 is installed in another step part on the lathe bed 21; Spacer 14, conical bore Biserial cylindrical roller bearing 16 outer rims, spacer 18 are installed successively; Last mounting flange lid 20; Above-mentioned parts is compressed, have oilhole on the blind flange 20, can the lubricated wet goods that central shaft 5 parts are saved bit by bit be discharged.
When central shaft 5 parts are installed; Earlier spacer 6 is installed in lower end, mounting flange position on the central shaft 5; And the roller and the interior steel ring part of conical bore Biserial cylindrical roller bearing 8 being installed in central shaft 5 epicone face portion, installation sleeve 10 then, through locking nut 11 above-mentioned part locked at last; Cover 12 is installed in the step position of central shaft 5; The roller of conical bore Biserial cylindrical roller bearing 16 and interior steel ring are installed on the central shaft 5; And through the cone match installation; And pad 17 is installed, and with the lower end of pad 17 locking nut 15 and locking nut 19 are installed respectively in the upper end of conical bore Biserial cylindrical roller bearing 16; The lower end of central shaft 5 is fixedly connected with axle 25 through screw.
After lathe bed 21 parts and the installation of central shaft 5 parts difference; Can central shaft 25 parts directly be installed on the lathe bed 21 at last, roller and interior steel ring part on conical bore Biserial cylindrical roller bearing 16 and the conical bore Biserial cylindrical roller bearing 8 are partly cooperated with outer rim; Cover 12 contacts with thrust ball bearing 13, and the weight of carrying central shaft 5 parts.This mounting means, assembling process is simple and reliable.
The lower end of axle 25 is connected with circle grating 22 through shaft coupling 24.The outer setting of shaft coupling 24 has cover 26.Cover 26 is connected with blind flange 20 through screw, and its side has opening, is used for the installation of shaft coupling 24.
Revolution is installed between workbench 1 and the lathe bed 21 supports 27.Gear ring 28 is fixed on the bottom of workbench 1 and installing and locating pin through screw.Revolution is supported 27 and is installed between lathe bed 21 and the gear ring 28.Revolution supports 27 through the location of the locating surface on the lathe bed 21, is connected with lathe bed 21 through screw, alignment pin.
The utility model is provided with cover 4 between the central shaft installing hole of the upper end of central shaft 5 and workbench 1, cover 4 is to be used for central shaft 5 and workbench 1 location and installation, and cover 4 is connected on the central shaft 5 through screw.Adopt the face of cylinder to cooperate between cover 4 and the central shaft installing hole of workbench 1, overlap 4 with central shaft 5 between the employing taper seat cooperate.In the attachment screw of tightening cover 4, form the tensioner nested structure, make the workbench 1 and the location of central shaft 5 can find the center automatically accurately.This tensioner cover connection mode; Can remedy the shortcoming that influences the turntable rotating accuracy because the large-scale workbench installing and locating hole machining accuracy of employing large-scale vertical machined into is not high; Not only simplified the processing of large-scale workbench; Guaranteed the accurate location of workbench and central shaft simultaneously, the circular runout of control workbench.
Through screw with rotary table 1 with after central shaft 5 is connected, installing and locating pin, and the screw connecting hole on workbench 1 and dowel hole installation block up 2 prevents that iron filings from falling into, and also seal cover 3 need be installed at central shaft 5 position of mounting hole equally.
In the utility model; Owing between central shaft 5 and workbench 1, be provided with cover 4; Workbench 1 can be found the central shaft location and installation automatically accurately, to the high processing technology requirement in location and installation hole in the rotary table 1, has also simplified assembly technology simultaneously when having avoided passing through location, the face of cylinder in the prior art; Can obviously enhance productivity, reduce production costs; Adopt revolution to support 27 as load bearing component in the utility model, bearing capacity is strong, rotating accuracy is high, can improve the complete machine precision significantly.
Claims (8)
1. rotary table; Comprise lathe bed (21), workbench (1), gear ring (28) and central shaft (5); Said central shaft (5) vertically is installed on the said lathe bed (21) rotationally; Said workbench (1) is fixed on the upper end of said central shaft (5), and said gear ring (28) is fixed on the bottom of said workbench (1), it is characterized in that: be provided with cover (4) between the central shaft installing hole of the upper end of said central shaft (5) and said workbench (1); Adopt the face of cylinder to cooperate between the central shaft installing hole of said cover (4) and said workbench (1), the employing taper seat cooperates between said cover (4) and the said central shaft (5); Revolution is installed between said workbench (1) and the said lathe bed (21) supports (27).
2. according to the described rotary table of claim 1, it is characterized in that: the upper end of the central shaft installing hole of said workbench (1) is equipped with seal cover (3).
3. according to the described rotary table of claim 1, it is characterized in that: the top of said central shaft (5) is provided with flange, and said workbench (1) is installed on the said flange through screw.
4. according to the described rotary table of claim 3, it is characterized in that: be provided with pad (23) between said flange and the said workbench (1).
5. according to the described rotary table of claim 1, it is characterized in that: the upper end of the screw connecting hole of said workbench (1) is equipped with stifled (2).
6. according to the described rotary table of claim 1, it is characterized in that: said revolution is supported (27) and is installed between said lathe bed (21) and the said gear ring (28).
7. according to the described rotary table of claim 1, it is characterized in that: the lower end of said central shaft (5) is fixed with axle (25), and said axle (25) is connected with circle grating (22) through shaft coupling (24).
8. according to the described rotary table of claim 7, it is characterized in that: the outer setting of said shaft coupling (24) has cover (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203455369U CN202292104U (en) | 2011-09-15 | 2011-09-15 | Rotating workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203455369U CN202292104U (en) | 2011-09-15 | 2011-09-15 | Rotating workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202292104U true CN202292104U (en) | 2012-07-04 |
Family
ID=46361081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203455369U Expired - Fee Related CN202292104U (en) | 2011-09-15 | 2011-09-15 | Rotating workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202292104U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357805A (en) * | 2011-09-15 | 2012-02-22 | 无锡桥联数控机床有限公司 | Rotating operating platform |
| CN102773710A (en) * | 2012-07-27 | 2012-11-14 | 齐齐哈尔齐一机工业产品有限公司 | Numerical control sphere turning and milling machine tool |
| CN107866679A (en) * | 2017-12-12 | 2018-04-03 | 沈机集团昆明机床股份有限公司 | rotary table |
-
2011
- 2011-09-15 CN CN2011203455369U patent/CN202292104U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357805A (en) * | 2011-09-15 | 2012-02-22 | 无锡桥联数控机床有限公司 | Rotating operating platform |
| CN102773710A (en) * | 2012-07-27 | 2012-11-14 | 齐齐哈尔齐一机工业产品有限公司 | Numerical control sphere turning and milling machine tool |
| CN107866679A (en) * | 2017-12-12 | 2018-04-03 | 沈机集团昆明机床股份有限公司 | rotary table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |