CN202684234U - Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear - Google Patents
Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear Download PDFInfo
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- CN202684234U CN202684234U CN 201220361966 CN201220361966U CN202684234U CN 202684234 U CN202684234 U CN 202684234U CN 201220361966 CN201220361966 CN 201220361966 CN 201220361966 U CN201220361966 U CN 201220361966U CN 202684234 U CN202684234 U CN 202684234U
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- rotary table
- working table
- rotary working
- cylindrical gear
- large cylindrical
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- 238000004080 punching Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The utility model relates to a rotary working table for a numerically controlled tooth-punching machine of a large cylindrical gear. The rotary working table for the numerically controlled tooth-punching machine of the large cylindrical gear comprises a rotary working table body and is characterized in that a servo motor used for driving the rotary working table body to feed radially is arranged at the front end of the rotary working table body; the servo motor is connected with an input shaft through a shaft coupling; the input shaft is connected with a worm-worm wheel kinematic pair to form a drive mechanism of the rotary work table; and a hydraulic clamping mechanism which is connected with the rotary working table body integrally is arranged at the lower end of the rotary working table body. The rotary working table for the numerically controlled tooth-punching machine for the large cylindrical gear has the advantages that the bearing capacity, the stability and the movement accuracy of the rotary working table are improved; a hydraulic clamping mechanism is arranged on the base of the rotary working table; the clamping safety of the rotary working table during working is improved greatly; the machining cost is reduced greatly; the production efficiency is improved; and the machining range is enlarged.
Description
Technical field
The utility model belongs to the gear working machine technical field, particularly a kind of large cylindrical gear numerical control gulleting machine rotary table.
Background technology
The large cylindrical gear is the vital part of Construction Machinery Transmissions, and large cylindrical gear numerical control gulleting machine rotary table is the indispensable machine-tool of machining large roller gear.At present, it is blank that the efficient gulleting machine of large cylindrical gear numerical control still belongs to, before the large cylindrical gear grinding processing of tooth punching groove all be with gear-hobbing machine as process equipment, gear-hobbing machine utilizes generating principle machining cylindrical gear.When large cylindrical gear cutting amount is large, and product is when in batches large, and it is limited in one's ability that gear-hobbing machine then seems.And gear-hobbing machine is finished the rough lumber teeth groove processing work of large cutting output as a kind of finish machining equipment, also is a kind of waste of resource.Take the efficient numerically controlled gear-hobbing machine YK3180M of present employing as example, about 4,000,000 yuan of its lathe unit price, process a modulus 12mm, the number of teeth 55, tip diameter 692.9mm, the roller gear of facewidth 118.5mm needs 16 hours consuming time, therefore, adopt that above-mentioned process equipment machining large roller gear is not only time-consumingly taken a lot of work, working modulus is low, and processing cost is high.The rotary table of existing gear-hobbing machine is owing to its structural limitations, and its bearing capacity, stability and mobile accuracy all can't satisfy the rough lumber teeth groove processing request of the large cutting output of large cylindrical gear,
The utility model content
The utility model provides a kind of large cylindrical gear numerical control gulleting machine rotary table that increases substantially bearing capacity, stability, mobile accuracy and working (machining) efficiency, cuts down finished cost and can enlarge the range of work for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
Large cylindrical gear numerical control gulleting machine rotary table, comprise the rotary table body, it is characterized in that: described rotary table body front end is provided with for the servomotor that drives its radial feed, described servomotor connects power shaft by shaft coupling, power shaft connecting worm, worm gear kinematic pair are to consist of the driving mechanism of rotary table; Be provided with the Hydraulic Clamping Mechanism that is connected as a single entity with it in rotary table body lower end.
The utility model can also adopt following technical scheme:
The servomotor of described rotary table is connected with power shaft by flexible sheet shaft coupling, motor flange.
Described rotary table Hydraulic Clamping Mechanism comprises: nut ring flange, disk and nut are connected the hydraulic jack that is connected with the rotary table base, and the piston lower end of hydraulic jack is mounted on the clamping pull bar in the lathe bed clamping slot.
The lower end of described clamping pull bar is designed to the circular flange structure.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, namely rotary table adopts driven by servomotor high accuracy worm screw, worm gear kinematic pair, thereby has improved rotating accuracy; The driven by servomotor worm-gears makes rotary table property along the line guide rail move horizontally at lathe bed by three slide blocks connections, has improved bearing capacity, stability and the mobile accuracy of rotary table; The rotary table floor installation has Hydraulic Clamping Mechanism, has increased substantially the fastening safety of rotary table work; Design by said structure, not only improve machining accuracy, working (machining) efficiency, and (the roller gear modulus can be to 16mm can to enlarge the range of work, the roller gear external diameter is extensible to 1500mm), so the utility model is used for the processing of large cylindrical gear tooth punching groove, but its processing cost of decrease is enhanced productivity.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the linear guide rail partial cross sectional view of the utility model rotary table;
Fig. 3 is the Hydraulic Clamping Mechanism partial, longitudinal cross-sectional of the utility model rotary table.
Among the figure: 1, servomotor; 2, flexible sheet shaft coupling; 3, power shaft; 4, key; 5, bearing; 6, worm screw casing; 7, worm screw; 8, worm gear; 9, rotary table body; 10, motor flange; 11, screw; 12, copper sheathing; 13, locknut seat; 14, locknut seat support; 15, rotary table base; 16, adjusting pad; 17, disk; 18, transition nuts ring flange; 19, nut; 20, hydraulic clamp oil cylinder; 21, piston; 22, clamp pull bar; 23, fixed mount; 24, screw.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1-Fig. 3, large cylindrical gear numerical control gulleting machine rotary table, comprise rotary table body 9, connect rotary table 15 in rotary table body lower end, described rotary table body front end is provided with for the servomotor 1 that drives its radial feed, servomotor connects worm gear, worm movement pair by flexible sheet shaft coupling 2, to consist of the driving mechanism of rotary table.Described servomotor 1 is connected with power shaft 3 by flexible sheet shaft coupling 2, power shaft 3 is connected with worm screw 7 by key 4, thereby drive worm screw 7 worm gears 8, worm screw is bearing on the worm screw casing 6 by bearing 5, and worm gear 8 drives workbench body 9 and does the circumgyration campaign.In order to satisfy the processing instructions for use in limited space, need as far as possible designs simplification to be designed, therefore in the present embodiment, be the numerical control structure with worm screw mechanical transmission In-put design, the spline input redesign of power shaft 3 is φ 35h6 optical axis platform, and selects compact conformation, resilient membrane type shaft joint 2 easy for installation to be connected with servomotor 1.Described power shaft 3 adopts the oil sealing of dual O RunddichtringO structure, and by copper sheathing 12 being installed to improve the wearability of power shaft.Described motor flange 10 is designed to welded structure, is connected with motor flange by screw 11, thereby is fixed on the table base 15.
Described flexible sheet shaft joint 2 adopts enclosed construction, therefore has two windows at motor flange 10, to make things convenient for flexible sheet shaft joint 2 screw fastenings.
Be the center that guarantees worm-gears and the position relationship that is installed in the linear guide rail on the table base 15, between the locknut seat 13 that worm-gears is installed and table base 15, transition bracket 14 is housed, and be combined with adjusting pad 16 so as when assembling the match grinding size, guarantee the needs of position relationship.
Described rotary table Hydraulic Clamping Mechanism comprises: hydraulic jack 20, piston 21 and clamping pull bar 22 that transition nuts ring flange 18, disk 17 are connected with nut and are connected with rotary table base 15, described disk 17 is connected with the transition nuts ring flange and is connected with rotary table body 9 by screw, and piston 21 lower ends of described hydraulic jack are mounted on the clamping pull bar 22 in the lathe bed clamping slot.The transition nuts ring flange is connected with clamping cylinder by nut, and hydraulic drive piston 21 moves up and down in clamping cylinder 20, thereby clamping pull bar 22 is fixed with the lathe bed main body in the piston stroke scope.In the present embodiment, the lower end of described clamping pull bar is designed to the circular flange structure, and it can satisfy the needs of clamping force, moves freely in the lathe bed clamping slot in the time of making again it be in releasing orientation.The distance that clamping pull bar 22 is moved up designs in the travel range of piston 21, when rotary table need to clamp, pressure oil drives clamping pull bar 22 with piston 21 and moves up, until clamp pull bar flange upper surface and the clamping of lathe bed clamping slot, thereby reach the clamped purpose of rotary table.
Because rotary table base 15 below limited spaces, therefore, in the present embodiment, the shell cancellation that Hydraulic Clamping Mechanism is larger, and adopting a L-type fixed mount 23, fixed mount one end to be fixed on the table base 15 by screw 24, the other end is fixed by the keyway on key shape plate and the separator housing, to prevent that the separator housing from rotating, this structure has not only satisfied the needs that use but also has saved the space.
Operation principle of the present utility model is:
At first workpiece is installed on the rotary table body 1, and with workpiece and rotary table chucking, the driven by servomotor rotary table that then starts lathe bed one side directly is forwarded to the operating position, namely the gulleting machine cutter frame mechanism under; Torque motor on the opening knife frame mechanism makes indexable disc type contour alloy gear milling cutter disc spins, and waters simultaneously cooling fluid.At this moment, the pressure oil by hydraulic jack 20 drives piston 21 to clamp pull bars 22 and moves up, until clamp pull bar flange upper surface and the clamping of lathe bed clamping slot upper surface, utilizes the clamping reaction force of lathe bed clamping slot upper surface that rotary table is clamped.Start the servomotor rotation on the column, drive the ball-screw rotation and be with the movable knife rack mainboard to move down, and then make cutter frame mechanism be displaced downwardly to desired location, can begin the machining to tooth punching groove before the large cylindrical gear workpieces roll flute.After a monodentate cutting is finished, the indexable disc type contour alloy gear milling cutter dish stop motion of cutter frame mechanism, the clamping cylinder of rotary table is unclamped, make rotary table mobile backward, cutter frame mechanism moves up, at this moment, the rotary table that rotarily drives by the worm screw on the rotary table, worm gear divides the tooth operation.After the operation of minute tooth was finished, rotary table advanced to the operating position again, and the cutting of second monodentate is carried out in the lathe above-mentioned action that circulates.
Claims (4)
1. large cylindrical gear numerical control gulleting machine rotary table, comprise the rotary table body, it is characterized in that: described rotary table body front end is provided with for the servomotor that drives its radial feed, described servomotor connects power shaft by shaft coupling, power shaft connecting worm, worm gear kinematic pair are to consist of the driving mechanism of rotary table; Be provided with the Hydraulic Clamping Mechanism that is connected as a single entity with it in rotary table body lower end.
2. large cylindrical gear numerical control gulleting machine rotary table according to claim 1 is characterized in that: the servomotor of described rotary table is connected with power shaft by flexible sheet shaft coupling, motor flange.
3. large cylindrical gear numerical control gulleting machine rotary table according to claim 2, it is characterized in that: described rotary table Hydraulic Clamping Mechanism comprises: nut ring flange, disk and nut are connected the hydraulic jack that is connected with the rotary table base, and the piston lower end of hydraulic jack is mounted on the clamping pull bar in the gulleting machine lathe bed clamping slot.
4. large cylindrical gear numerical control gulleting machine rotary table according to claim 3, it is characterized in that: the lower end of described clamping pull bar is designed to the circular flange structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361966 CN202684234U (en) | 2012-07-24 | 2012-07-24 | Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361966 CN202684234U (en) | 2012-07-24 | 2012-07-24 | Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear |
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| Publication Number | Publication Date |
|---|---|
| CN202684234U true CN202684234U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361966 Expired - Fee Related CN202684234U (en) | 2012-07-24 | 2012-07-24 | Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear |
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| Country | Link |
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| CN (1) | CN202684234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537910A (en) * | 2013-09-24 | 2014-01-29 | 芜湖陀曼精机科技有限公司 | Clamping mechanism of vertical lathe operation platform |
| CN105171143A (en) * | 2015-10-31 | 2015-12-23 | 重庆机床(集团)有限责任公司 | Static-pressure supporting structure for indexing worm of hobbing machine |
| CN106024070A (en) * | 2016-07-27 | 2016-10-12 | 江西洪都航空工业集团有限责任公司 | Azimuth adjustment mechanism based on worm gear-worm rod transmission |
-
2012
- 2012-07-24 CN CN 201220361966 patent/CN202684234U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537910A (en) * | 2013-09-24 | 2014-01-29 | 芜湖陀曼精机科技有限公司 | Clamping mechanism of vertical lathe operation platform |
| CN105171143A (en) * | 2015-10-31 | 2015-12-23 | 重庆机床(集团)有限责任公司 | Static-pressure supporting structure for indexing worm of hobbing machine |
| CN106024070A (en) * | 2016-07-27 | 2016-10-12 | 江西洪都航空工业集团有限责任公司 | Azimuth adjustment mechanism based on worm gear-worm rod transmission |
| CN106024070B (en) * | 2016-07-27 | 2018-08-24 | 江西洪都航空工业集团有限责任公司 | A kind of position adjusting mechanism based on turbine and worm transmission |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160724 |