CN201997954U - Numerical-control equal-division rotary table - Google Patents
Numerical-control equal-division rotary table Download PDFInfo
- Publication number
- CN201997954U CN201997954U CN2011201196139U CN201120119613U CN201997954U CN 201997954 U CN201997954 U CN 201997954U CN 2011201196139 U CN2011201196139 U CN 2011201196139U CN 201120119613 U CN201120119613 U CN 201120119613U CN 201997954 U CN201997954 U CN 201997954U
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- China
- Prior art keywords
- fluted disc
- turntable body
- rotary table
- fixed
- duplex
- 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 - Lifetime
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- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000007514 turning Methods 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 230000003247 decreasing Effects 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003068 static Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000003252 repetitive Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
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Abstract
The utility model relates to a numerical-control equal-division rotary table which comprises a rotary table body with an open hollow cavity, a rotating main shaft fixed inside the cavity of the rotary table body through a bearing, a working rotary table arranged at the open end of the rotary table body and a worm-gear transmission system arranged at the lower part of the cavity of the rotary table body, wherein the numerical-control equal-division rotary table further comprises a division locking mechanism; the division locking mechanism comprises a rotating toothed disc, a fixed toothed disc, a duplex toothed disc, a piston compression ring and a piston; the rotating toothed disc is fixed on the lower end surface of the working rotary table and positioned on the outer side of the upper end surface of the rotary table body; the fixed toothed disc is fixed on the inner side of the upper end surface of the rotary table body; the duplex toothed disc is fixed on the rotary table body through a first support; the piston compression ring is arranged inside a ring-shaped cavity of the duplex toothed disc; and the piston is arranged inside a through-hole of the rotary table body and passes through the lower end surface of the duplex toothed disc. The utility model has the benefits that the division precision is improved, the repeated positioning accuracy is high, the braking capacity is increased, and the static rigidity of the rotary table is good.
Description
Technical field
The utility model relates to branch rotary tables such as a kind of numerical control.
Background technology
Mechanical industry is that the infrastructural industries of national economy also are the equipment industries of national economy, the Development in Machine Industry level influences even is determining the technological progress and the industry development of related industry department to a great extent, machine tool industry then is the basis and the important component part of mechanical industry, Digit Control Machine Tool functional part and manufacturing technology thereof are again that Digit Control Machine Tool is rely and finished the indispensable important core part of efficient, high-precision and complex parts processing, are the necessary conditions that realizes industrial automation.NC rotary table is as the critical function parts of Digit Control Machine Tool, and the quality of its performance directly influences the overall performance of lathe.
NC rotary table, prior art is to utilize servomotor driven gear group, worm and wormwheel drives the workbench rotation, the indexing accuracy of workbench depends primarily on the machining accuracy of worm gear pair, concerning big specification rotary table, the worm gear diameter is big, and the worm gear pair machining accuracy is low, and the precision of workbench is difficult to guarantee.
The utility model content
For addressing the above problem, the utility model provides a kind of indexing accuracy height, and good stability, output torque are big, and the branch rotary tables such as numerical control with the tight power of stopping more greatly.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: branch rotary tables such as a kind of numerical control, it comprises
The turntable body is provided with an opening hollow cavity;
Rotary main shaft places by the polytetrafluoroethylene (PTFE) guide rail in the cavity of turntable body;
Work turning table places the openend of described turntable body, and is connected with the turntable body by sealing device, and an end of described rotary main shaft is fixedlyed connected with Work turning table;
The worm and gear transmission system, place the bottom of described turntable body cavity, comprise worm screw, motor and be fixed in worm gear on the described rotary main shaft, described motor output end stretches in the cavity of described turntable body, and drives described worm and gear by gear transmission mode and realize engaged transmission;
It also comprises the calibration retaining mechanism, described calibration retaining mechanism comprises rotary fluted disc, fixed tooth disk, the duplex fluted disc, compression piston ring and piston, described rotary fluted disc is fixed on the Work turning table lower surface, and place the outside of turntable body upper surface, described fixed tooth disk is fixed in the inboard of turntable body upper surface, described duplex fluted disc is fixed on the turntable body by first pillar, described compression piston ring places in the annular housing of duplex fluted disc, be provided with the tight chamber of stopping between the lower surface of compression piston ring and the duplex fluted disc, described piston places in the through hole of turntable body, and pass the lower surface that fixed tooth disk places the duplex fluted disc, be provided with between the lower surface of piston and the turntable body and unclamp the chamber, the duplex fluted disc can move up and down, the duplex fluted disc descends, duplex fluted disc and fixed tooth disk and rotary fluted disc engagement, the duplex fluted disc rises, and duplex fluted disc and fixed tooth disk and rotary fluted disc break away from.
Further, the sender unit that sends of the signal that is provided with the rotation of control workbench in the described turntable body cavity or stops, described sender unit comprises the piece of posting a letter, unclamp sensor, the tight sensor of stopping, second pillar and the bar of posting a letter, the described sensor that unclamps is fixed in the turntable body with the tight sensor of stopping, the described piece of posting a letter is fixed on the bar of posting a letter, and place the top of unclamping sensor and stopping tight sensor, described second pillar is arranged on the lower surface of duplex fluted disc, the duplex fluted disc moves up and down, driving second pillar bar that promotes to post a letter moves horizontally, and then drive the piece of posting a letter and stopping tight sensor and unclamp between the sensor and move, the piece of posting a letter contacts the tight sensor of stopping, send the tight signal of stopping, sensor is unclamped in the piece of posting a letter contact, sends unlock signal.
Further, described worm screw is two helical pitch worm screws, and the transverse tooth thickness of the engaging tooth on the described worm screw is arranged to being increasing or decreasing along worm shaft, and the end away from motor of described worm screw is provided with the adjusting pad that is used to adjust with the worm gear back lash.
Further, described adjusting pad is the semicircular ring pad of two flexible connections.
Further, radial seal between described piston and the turntable body.
Further, radial seal between described compression piston ring and the duplex fluted disc.
The beneficial effects of the utility model are: by injection pressure oil in the tight chamber of stopping, the pressure that relies on pressure oil to produce moves down the duplex fluted disc, and three fluted discs accurately mesh the tight workbench of stopping, turntable indexing accuracy and repetitive positioning accuracy height, and its tight great efforts of stopping, the turntable static rigidity is good; Employing can be eliminated two helical pitch worm gear pair structures in gap, adjusts the adjusting pad of two helical pitch worm gear pair back lashes, replaces a complete annular pad in original technology by two semicircular ring, and loading and unloading are very convenient during the match grinding adjusting pad.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model side view;
Fig. 3 is the utility model locking mechanism enlarged diagram.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As Fig. 1, Fig. 2 and shown in Figure 3, branch rotary tables such as a kind of numerical control, it comprises turntable body 1, rotary main shaft 11, Work turning table 10, worm and gear transmission system and retaining mechanism, turntable body 1 is provided with an opening hollow cavity; Rotary main shaft 11 places in the cavity of turntable body 1 by the polytetrafluoroethylene (PTFE) guide rail; Work turning table 10 places the openend of described turntable body 1, and is connected with turntable body 1 by sealing device, and an end of described rotary main shaft 11 is fixedlyed connected with Work turning table 10;
The worm and gear transmission system places the bottom of turntable body 1 cavity, comprise worm screw 18, motor 21 and be fixed in worm gear 2 on the rotary main shaft 11, motor 21 outputs stretch in the cavity of turntable body 1, and realize engaged transmission by the driven gear 23 on the driving gear 22 drive worm screws 18 of motor 21 outputs; Worm screw 18 is two helical pitch worm screws, the transverse tooth thickness of the engaging tooth on the worm screw 18 is increasing or decreasing vertically and arranges, the end away from motor 21 of worm screw 18 is provided with and is used to adjust worm gear pair (worm gear pair, be worm gear and worm screw) adjusting pad 19 of back lash, adjusting pad 19 is arranged at the inner chamber of turntable body 1, described adjusting pad 19 is the semicircular ring pad of two flexible connections, and is easy to loading and unloading.
Described calibration retaining mechanism comprises rotary fluted disc 4, fixed tooth disk 3, duplex fluted disc 5, compression piston ring 9 and piston 20, described rotary fluted disc 4 is fixed on Work turning table 10 lower surfaces, and place the outside of turntable body 1 upper surface, described fixed tooth disk 3 is fixed in the inboard of turntable body 1 upper surface, described duplex fluted disc 5 is fixed on the turntable body 1 by first pillar 6, described compression piston ring 9 places in the annular housing of duplex fluted disc 5, be provided with the tight chamber 24 of stopping between the lower surface of compression piston ring 9 and the duplex fluted disc 5, radial seal between compression piston ring 9 and the duplex fluted disc 5, described piston 20 places in the through hole of turntable body 1, and pass the lower surface that fixed tooth disk 3 places duplex fluted disc 5, be provided with between the lower surface of piston 20 and the turntable body 1 and unclamp chamber 25, radial seal between piston 20 and the turntable body 1, input pressure oil in the described tight chamber 24 of stopping, under the pressure effect of pressure oil, duplex fluted disc 5 descends, when duplex fluted disc 5 meshes with fixed tooth disk 3 and rotary fluted disc 4, Work turning table 10 stops operating, the described chamber 25 interior input pressure oil that unclamp, under the pressure effect of pressure oil, move on the piston 20, promoting duplex fluted disc 5 rises, when duplex fluted disc 5 broke away from fixed tooth disk 3 and rotary fluted disc 4, Work turning table began to rotate.
The sender unit that sends of the signal that is provided with the rotation of control Work turning table in described turntable body 1 cavity or stops, described sender unit comprises the piece 15 of posting a letter, unclamp sensor 17, the tight sensor 16 of stopping, second pillar 12 and the bar 13 of posting a letter, the described sensor 17 that unclamps is fixed in the turntable body 1 with the tight sensor 16 of stopping, the described piece 15 of posting a letter is fixed on the bar 13 of posting a letter, and place the top of unclamping sensor 17 and stopping tight sensor 16, when workbench goes to required station, duplex fluted disc 5 descends, when duplex fluted disc 5 meshes with fixed tooth disk 3 and rotary fluted disc 4, described second pillar 12 that the is arranged on duplex fluted disc 5 lower surfaces bar 13 that promotes to post a letter moves horizontally, the described piece 15 of posting a letter contacts the tight sensor 16 of stopping, send the tight signal of stopping, the workbench calibration finishes; When moving on the duplex fluted disc 5 with fixed tooth disk 3 and rotary fluted disc 4 disengagements, described bar 13 playback of posting a letter, sensor 17 is unclamped in piece 15 contacts of posting a letter, and sends unlock signal.
Can the indexing accuracy of branch rotary tables such as this numerical control and repetitive positioning accuracy depend on the machining accuracy of duplex fluted disc 5 and fixed tooth disk 3 and rotary fluted disc 4 and accurately mesh that the number of teeth of duplex fluted disc 5 and fixed tooth disk 3 and rotary fluted disc 4 is depended in the attainable minimum calibration units of branch rotary table such as this numerical control.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. branch rotary tables such as numerical control, it comprises
The turntable body is provided with an opening hollow cavity;
Rotary main shaft places by the polytetrafluoroethylene (PTFE) guide rail in the cavity of turntable body;
Work turning table places the openend of described turntable body, and is connected with the turntable body by sealing device, and an end of described rotary main shaft is fixedlyed connected with Work turning table;
The worm and gear transmission system, place the bottom of described turntable body cavity, comprise worm screw, motor and be fixed in worm gear on the described rotary main shaft, described motor output end stretches in the cavity of described turntable body, and drives described worm and gear by gear transmission mode and realize engaged transmission; It is characterized in that:
It also comprises the calibration retaining mechanism, described calibration retaining mechanism comprises rotary fluted disc, fixed tooth disk, the duplex fluted disc, compression piston ring and piston, described rotary fluted disc is fixed on the Work turning table lower surface, and place the outside of turntable body upper surface, described fixed tooth disk is fixed in the inboard of turntable body upper surface, described duplex fluted disc is fixed on the turntable body by first pillar, described compression piston ring places in the annular housing of duplex fluted disc, be provided with the tight chamber of stopping between the lower surface of compression piston ring and the duplex fluted disc, described piston places in the through hole of turntable body, and pass the lower surface that fixed tooth disk places the duplex fluted disc, be provided with between the lower surface of piston and the turntable body and unclamp the chamber, the duplex fluted disc can move up and down, the duplex fluted disc descends, duplex fluted disc and fixed tooth disk and rotary fluted disc engagement, the duplex fluted disc rises, and duplex fluted disc and fixed tooth disk and rotary fluted disc break away from.
2. branch rotary table such as a kind of numerical control according to claim 1, it is characterized in that: the sender unit that sends that is provided with the signal of controlling the workbench rotation or stopping in the described turntable body cavity, described sender unit comprises the piece of posting a letter, unclamp sensor, the tight sensor of stopping, second pillar and the bar of posting a letter, the described sensor that unclamps is fixed in the turntable body with the tight sensor of stopping, the described piece of posting a letter is fixed on the bar of posting a letter, and place the top of unclamping sensor and stopping tight sensor, described second pillar is arranged on the lower surface of duplex fluted disc, the duplex fluted disc moves up and down, driving second pillar bar that promotes to post a letter moves horizontally, and then drive the piece of posting a letter and stopping tight sensor and unclamp between the sensor and move, the piece of posting a letter contacts the tight sensor of stopping, send the tight signal of stopping, sensor is unclamped in the piece of posting a letter contact, sends unlock signal.
3. branch rotary table such as a kind of numerical control according to claim 1, it is characterized in that: described worm screw is two helical pitch worm screws, the transverse tooth thickness of the engaging tooth on the described worm screw is arranged to being increasing or decreasing along worm shaft, and the end away from motor of described worm screw is provided with the adjusting pad that is used to adjust the worm gear pair back lash.
4. branch rotary table such as a kind of numerical control according to claim 3, it is characterized in that: described adjusting pad is the semicircular ring pad of two flexible connections.
5. according to branch rotary tables such as each described a kind of numerical controls of claim 1-4, it is characterized in that: radial seal between described piston and the turntable body.
6. according to branch rotary tables such as each described a kind of numerical controls of claim 1-4, it is characterized in that: radial seal between described compression piston ring and the duplex fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201196139U CN201997954U (en) | 2011-04-21 | 2011-04-21 | Numerical-control equal-division rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201196139U CN201997954U (en) | 2011-04-21 | 2011-04-21 | Numerical-control equal-division rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201997954U true CN201997954U (en) | 2011-10-05 |
Family
ID=44700728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201196139U Expired - Lifetime CN201997954U (en) | 2011-04-21 | 2011-04-21 | Numerical-control equal-division rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201997954U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419062A (en) * | 2013-08-26 | 2013-12-04 | 苏州江源精密机械有限公司 | C-axis indexing transmission mechanism for vertical lathe working table |
| CN106112571A (en) * | 2016-08-12 | 2016-11-16 | 烟台环球机床装备股份有限公司 | A kind of numerical-control equal-division rotary table |
| CN109066378A (en) * | 2018-10-18 | 2018-12-21 | 安徽继远检验检测技术有限公司 | A kind of power distribution cabinet external member easy to assemble |
| CN109103774A (en) * | 2018-10-18 | 2018-12-28 | 安徽继远检验检测技术有限公司 | A kind of novel distribution cabinet external member |
| CN109176050A (en) * | 2018-10-22 | 2019-01-11 | 沈阳工学院 | A kind of intelligent machine tool outside extended axis |
| CN110405536A (en) * | 2019-08-10 | 2019-11-05 | 安徽工程大学 | The index table of numerically-controlled machine tool |
| CN112059647A (en) * | 2020-09-18 | 2020-12-11 | 东莞市固达机械制造有限公司 | Arbitrary angle rotation seat |
-
2011
- 2011-04-21 CN CN2011201196139U patent/CN201997954U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419062A (en) * | 2013-08-26 | 2013-12-04 | 苏州江源精密机械有限公司 | C-axis indexing transmission mechanism for vertical lathe working table |
| CN103419062B (en) * | 2013-08-26 | 2015-12-02 | 苏州江源精密机械有限公司 | The C axle indexing and driving mechanism of vertical lathe workbench |
| CN106112571A (en) * | 2016-08-12 | 2016-11-16 | 烟台环球机床装备股份有限公司 | A kind of numerical-control equal-division rotary table |
| CN109066378A (en) * | 2018-10-18 | 2018-12-21 | 安徽继远检验检测技术有限公司 | A kind of power distribution cabinet external member easy to assemble |
| CN109103774A (en) * | 2018-10-18 | 2018-12-28 | 安徽继远检验检测技术有限公司 | A kind of novel distribution cabinet external member |
| CN109176050A (en) * | 2018-10-22 | 2019-01-11 | 沈阳工学院 | A kind of intelligent machine tool outside extended axis |
| CN110405536A (en) * | 2019-08-10 | 2019-11-05 | 安徽工程大学 | The index table of numerically-controlled machine tool |
| CN112059647A (en) * | 2020-09-18 | 2020-12-11 | 东莞市固达机械制造有限公司 | Arbitrary angle rotation seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YANTAI UNIVERSAL MACHINE TOOL EQUIPMENT CO., LTD. Free format text: FORMER NAME: YANTAI UNIVERSAL CNC EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Fushan District, Shandong city of Yantai province 264001 poly Road No. 563 Patentee after: Yantai Universal Machine Tool Equipment Co., Ltd. Address before: Fushan District, Shandong city of Yantai province 264001 poly Road No. 563 Patentee before: Yantai Universal CNC Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |