CN204353486U - Dead-beat static pressure servo power main tapping - Google Patents
Dead-beat static pressure servo power main tapping Download PDFInfo
- Publication number
- CN204353486U CN204353486U CN201420339120.XU CN201420339120U CN204353486U CN 204353486 U CN204353486 U CN 204353486U CN 201420339120 U CN201420339120 U CN 201420339120U CN 204353486 U CN204353486 U CN 204353486U
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- knife
- rack sleeve
- forging
- screw mandrel
- main tapping
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Abstract
The utility model relates to one can meet high-speed motion, there is again high rigidity cutting power, the rack sleeve that can realize again in rack sleeve and main tapping foundry goods shell casts the dead-beat static pressure servo power main tapping of shell inwall without frictional movement simultaneously, servomotor is connected with screw mandrel one end by shaft coupling, screw mandrel connecting plate one end is connected with feed screw nut, the screw mandrel connecting plate other end is connected with rack sleeve, rack sleeve is arranged in the rack sleeve casting shell of main tapping foundry goods shell, shell screw mandrel and feed screw nut are revolved and are driven rack sleeve to move forward and backward, screw mandrel connecting plate both sides are to having screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller rollers are each passed through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate both sides and spin with locking nut, two cylindrical roller rollers in two screw bolt-type cylindrical roller rollers roll with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides and coordinate.
Description
Technical field
The utility model relates to one can meet high-speed motion, there is again high rigidity cutting power, the rack sleeve that can realize again in rack sleeve and main tapping foundry goods shell casts the dead-beat static pressure servo power main tapping of shell inwall without frictional movement simultaneously, belongs to dynamic brill, milling, boring machine power spindle head manufacture field.
Background technology
CN103801729A, title " hydraulic vibration drill unit ", comprise drill unit mechanism, described drill unit mechanism comprises the first servomotor, left end cap, main shaft, first static-pressure sliding bearing, second static-pressure sliding bearing, shell body, right end cap, flutter body, elasticity end cap and the dop for assembling drill bit, the output shaft of described first servomotor is connected with described main shaft, described shell body inside has cavity volume, described first static-pressure sliding bearing is installed on described shell body cavity volume left end, described second static-pressure sliding bearing is installed on described shell body cavity volume right-hand member, described left end cap is connected with described shell body left end, described right end cap is connected with described shell body right-hand member, described main shaft is successively through left end cap, first static-pressure sliding bearing, cavity volume, second static-pressure sliding bearing and right end cap also stretch out described right end cap, the oil-in of described first static-pressure sliding bearing and the second static-pressure sliding bearing is by the oil-feed flow passage in described shell body, described oil-feed runner is communicated with the oil-in of shell body, the oil-in of described shell body is connected with the oil-out of pressure-reducing valve, described first static-pressure sliding bearing is connected with tank drainback mouth by the oil return runner in the middle part of described shell body with the oil return opening of the second static-pressure sliding bearing, described flutter body is connected with the right-hand member of described main shaft, turnover oilhole is had in the middle part of described flutter body, the oil-out of high-frequency excitation valve is connected with the oil inlet and outlet of shell body, and be communicated with described turnover oilhole with the shaft orientation flowing channel in described main shaft by the turnover runner in shell body, described flutter body right-hand member is connected with elasticity end cap, described flutter body right-hand member and described elasticity end cap left end form one and vibrate cavity volume, described elasticity end cap right-hand member is fixedly connected with dop.Its weak point: one be machining spindle stroke range is fixed, and the scope of application is little; Two is to realize automatic tool changer; Three is that machining accuracy is low.
Utility model content
Purpose of design: avoid the weak point in background technology, design one can meet high-speed motion, have again high rigidity cutting power, the rack sleeve that can realize again in rack sleeve and main tapping foundry goods shell casts the dead-beat static pressure servo power main tapping of shell inwall without frictional movement simultaneously.
Design: in order to realize above-mentioned purpose of design.1, servomotor drives screw mandrel to rotate by shaft coupling, the design that screw mandrel drives rack sleeve movable by the screw mandrel connecting plate be connected with rack sleeve, is one of technical characteristic of the present utility model.The object of such design is: because rack sleeve is arranged in the rack sleeve casting shell of main tapping foundry goods shell, and rack sleeve casting shell inwall is that high-accuracy gap oil film coordinates with rack sleeve outer wall, this oil film adopts static pressure circulation low pressure oil supply to produce oil film, thus the rack sleeve eliminated in rack sleeve and main tapping foundry goods shell casts the build-up tolerance between shell, its oil film makes the rack sleeve in main tapping foundry goods shell cast between shell inwall and rack sleeve outer wall can not produce friction, achieves high accuracy and moves without abrasion.2, screw mandrel connecting plate both sides are to having screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller rollers be each passed through screw mandrel connecting plate both sides screw bolt-type cylindrical roller roller installing hole and with the design that locking nut spins, be technical characteristic two of the present utility model.The object of such design is: because the rectangular circular hole in main tapping foundry goods shell both sides is that rack sleeve moves forward and backward stroke, and main shaft and rack sleeve inwall adopt high-accuracy bearing to locate one, main shaft drives bearing inner sleeve to rotate, thus rack sleeve moves forward and backward the shift motion that stroke is main shaft, height in order to ensure main shaft rectilinear path is accurate, prevent main axis from driving rack sleeve to rotate, the application adopts two cylindrical roller rollers in two screw bolt-type cylindrical roller rollers to roll with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides to coordinate, in its screw bolt-type cylindrical roller roller, bolt part is passed the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate both sides and adopts locking nut locking, the roller so both achieved in screw bolt-type cylindrical roller roller rolls with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides and coordinates, reduce abrasion to greatest extent, simultaneously by the adjustment to screw bolt-type cylindrical roller roller plate thickness, ensure that main shaft concentricity, spindle processing stable cutting is carried out, improve screw rod transmission precision and screw mandrel service life, avoid main shaft and start the impact and infringement that rotate screw mandrel.3, main shaft is adopted the design of tapering screw grafting docking by line shaft and splined shaft, is technical characteristic three of the present utility model.The object of such design is: because the formation line shaft of main shaft and the length of splined shaft are at about 1 meter, if not by its segment design, not only cannot at the through hole of manufacture length in the center of axle at about 1 meter, and the manufacturing cost of the one-piece rotor shaft reaching about 1 meter is very expensive, and be difficult to guarantee its rigidity.What the application was designed to that split docking structure not only can realize line shaft and splined shaft axle center opens hole along long, and the object opening hole in line shaft and splined shaft axle center is achieved, namely the order of automatic rapid changing knife is realized, and greatly reduce the manufacturing cost of axle, ensure that its rigid requirements.
Technical scheme: a kind of dead-beat static pressure servo power main tapping, servomotor is connected with screw mandrel one end by shaft coupling, screw mandrel connecting plate one end is connected with feed screw nut, the screw mandrel connecting plate other end is connected with rack sleeve, rack sleeve is arranged in the rack sleeve casting shell of main tapping foundry goods shell, screw mandrel and feed screw nut are revolved and are driven rack sleeve to move forward and backward, screw mandrel connecting plate both sides are to having screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller rollers are each passed through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate both sides and spin with locking nut, two cylindrical roller rollers in two screw bolt-type cylindrical roller rollers roll with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides and coordinate, main shaft is positioned at rack sleeve by bearing, the power intake of main shaft is splined shaft, on splined shaft, cover has spline housing, intrinsic synchronous pulley on spline housing, synchronous pulley forms power transmission by the synchronous pulley on Timing Belt and motor shaft, main shaft is hollow bore axle, through hole is built with Rapid knife exchanging mechanism manually or automatically.
The utility model is compared with background technology, and one is that main tapping both can carry out feeding cutting without the need to slide unit, and machining accuracy is high, applied widely; Two is that two cylindrical roller rollers of the screw bolt-type cylindrical roller roller being arranged in screw mandrel connecting plate both sides roll with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides the design coordinated respectively, both the rotation of rack sleeve had been avoided, achieve again to meet before and after travel of spindle and regulate, ensure that the steady processing of main shaft is cut, improve screw mandrel transmission accuracy and screw mandrel service life; Three is fill lubricating oil in fit tolerance size that in rack sleeve and main tapping foundry goods shell, rack sleeve casts shell, adopt the design of oil molecule omnidirectional support rack sleeve, the length dimension achieving the full supporting spindle sleeve of rack sleeve casting shell in main tapping foundry goods shell is greater than twice rack sleeve diameter, thus guarantees spindle processing axle center degree; Four is split type method design of employing of spline spindle and main shaft, has both achieved the object of spline spindle and spindle axis hollow bore, reduces main shaft and spline spindle production cost, achieves the object of hydraulic power head and servo power head automatic tool changer tool.
Accompanying drawing explanation
Fig. 1 is the perspective view of dead-beat static pressure servo power main tapping.
Fig. 2 is the sectional perspective structural representation of Fig. 1.
Fig. 3 is the sectional structure schematic diagram of main shaft.
Fig. 4 is the structural representation of screw mandrel connecting plate.
Fig. 5 is the external structure schematic diagram of Fig. 1.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-3.A kind of dead-beat static pressure servo power main tapping, comprise PLC, servomotor 1-1 is connected with screw mandrel 1-3 one end by shaft coupling 1-2, screw mandrel 1-13 separately coordinates (as screw mandrel adopts bearing to coordinate with screw mandrel supporting seat) with main tapping foundry goods shell 1-10 upper screw rod supporting seat 17, screw mandrel connecting plate 1-4 one end is connected 1-16 with feed screw nut, the screw mandrel connecting plate 1-4 other end is connected with rack sleeve 1-9, rack sleeve 1-9 is arranged in the rack sleeve casting shell 1-14 of main tapping foundry goods shell, screw mandrel 1-3 and feed screw nut are revolved and are driven rack sleeve 1-9 to move forward and backward, screw mandrel connecting plate 1-4 both sides are to having screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller roller 1-5 are each passed through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate 1-4 both sides and spin with locking nut 1-8, two cylindrical roller rollers in two screw bolt-type cylindrical roller roller 1-5 roll with the screw bolt-type cylindrical roller roller backing plate 1-6 on the rectangular circular hole 1-15 internal face being arranged in main tapping foundry goods shell 1-10 both sides and coordinate, main shaft 1-7 is positioned at rack sleeve 1-9 by bearing, the power intake of main shaft 1-7 is splined shaft 1-13, on splined shaft 1-13, cover has spline housing, intrinsic synchronous pulley on spline housing, synchronous pulley forms power transmission by the synchronous pulley on Timing Belt and motor shaft, main shaft 1-7 is hollow bore axle, through hole is built with Rapid knife exchanging mechanism manually or automatically.
Automatic Rapid knife exchanging mechanism realizes fast automatic tool changing by main shaft 1-7, servomotor 1-1 drives screw mandrel 1-3 by shaft coupling 1-2, screw mandrel 1-3 is fixed on screw mandrel connecting plate 1-4, screw mandrel connecting plate 1-4 is connected with rack sleeve 1-9, rack sleeve 1-9 and main shaft axle 1-11 has assembled main shaft by bearing fit, spline spindle 1-13 is installed on main shaft axle 1-11 tail end, realize spline spindle and fall back on tool changing specified point, cylinder 3-10 is installed on the base plate 3-12 and forge a knife on oil cylinder base plate 3-9 of forging a knife, cylinder 3-10 is threaded connection action with the inserted sheet 3-11 that forges a knife, the inserted sheet 3-11 that forges a knife is arranged on and forges a knife in base plate 3-12, the base plate 3-12 that forges a knife is provided with inside groove can locate the inserted sheet 3-11 that forges a knife, release inserted sheet of forging a knife coordinates with spline annular groove 3-13, cylinder 3-10 senses tool changing signal after releasing certain stroke, the inserted sheet 3-11 that forges a knife supports spline annular groove 3-13, when preventing tool changing oil cylinder 3-7 pressure to screw mandrel 1-3 and bearing damage, realize automatic tool changer or press tool changing button, make oil cylinder 3-7 action, oil cylinder 3-7 is installed on by oil cylinder bracing ring 3-6 and forges a knife on oil cylinder base plate 3-9, the oil cylinder base plate 3-9 that forges a knife is fixed on and forges a knife on base plate 3-12, the oil cylinder base plate 3-9 that forges a knife pushes down the inserted sheet 3-11 that forges a knife, oil cylinder piston stretches out, cylinder connector is connected with oil cylinder, cylinder connector 3-8 contacts with the connecting rod 3-16 that forges a knife, the promotion connecting rod 3-16 that forges a knife walks about forward, connecting rod 3-16 and the main shaft bar 3-21 that forges a knife that forges a knife contacts, the disc spring 3-20 that compression main shaft is forged a knife on bar 3-21, the pulling claw 3-22 action forward that the bar 3-21 that makes to forge a knife with main shaft is connected, unclamp pulling claw 3-22, realize rapid changing knife tool 3-23, press tool changing button, oil cylinder 3-7 connects cylinder connector 3-8 and returns to former travel position, the disc spring 3-20 reaction force that main shaft is forged a knife on bar 3-21 strains cutter, the connecting rod 3-21 that forges a knife is ejected backward simultaneously, the connecting rod 3-21 that forges a knife is provided with O type circle 3-14 and 3-17 can prevent connecting rod 3-21 play of forging a knife, and after PLC detects oil cylinder piston reset signal, cylinder 3-10 pulls the inserted sheet 3-11 that forges a knife to reset, after cylinder piston resets, allow the operation of dead-beat static pressure servo power main tapping.
Main shaft 1-7 adopts tapering screw 1-12 grafting to dock by main shaft axle 1-11 and splined shaft 1-13 and forms, and the axle center of its main shaft axle 1-11 and splined shaft 1-13 is through hole hollow shaft.In main tapping foundry goods shell 1-10, rack sleeve casting shell 1-14 inwall is that gap oil film coordinates with rack sleeve 1-9 outer wall.Rack sleeve casting shell 1-14 inwall in main tapping foundry goods shell has above oil ring groove together.Rack sleeve 1-9 is arranged in the rack sleeve casting shell 1-14 of main tapping foundry goods shell and rack sleeve casting shell 1-14 has oil filler point.
Screw mandrel connecting plate 1-4 is that Pear-Shaped screw mandrel connects, and Pear-Shaped screw mandrel connecting plate top is connected with feed screw nut, bottom is connected with rack sleeve 1-9.The main shaft that look nut 3-18 is screwed in disc spring 3-20 one end is forged a knife on bar 3-21.
The method of work of its dead-beat static pressure servo power main tapping, when main shaft 1-7 needs to regulate impulse stroke, servomotor 1-1 drives screw mandrel 1-3 to rotate by shaft coupling, the feed screw nut be enclosed within screw mandrel 1-3 drives screw mandrel connecting plate 1-4 to rotate, screw mandrel connecting plate 1-4 drives rack sleeve 1-9 to move, rack sleeve 1-9 drives main shaft 1-7 to move simultaneously, two the cylindrical roller rollers being arranged in the screw bolt-type cylindrical roller roller 1-5 of screw mandrel connecting plate 1-4 both sides roll with the screw bolt-type cylindrical roller roller backing plate 1-6 on the rectangular circular hole 1-15 internal face being arranged in main tapping foundry goods shell 1-10 both sides respectively and coordinate, when main shaft 1-7 needs work, motor drives the hub splines be enclosed within splined shaft 1-3 to rotate by synchronous pulley driving mechanism, and hub splines drives splined shaft and main shaft to rotate.
It is to be understood that: although above-described embodiment to be contrasted detailed text description to mentality of designing of the present utility model; but these text descriptions; just the simple text of the utility model mentality of designing is described; instead of the restriction to the utility model mentality of designing; any do not exceed the utility model mentality of designing combination, increase or amendment, all fall in protection domain of the present utility model.
Claims (7)
1. a dead-beat static pressure servo power main tapping, comprise PLC, it is characterized in that: servomotor is connected with screw mandrel one end by shaft coupling, screw mandrel connecting plate one end is connected with feed screw nut, the screw mandrel connecting plate other end is connected with rack sleeve, rack sleeve is arranged in the rack sleeve casting shell of main tapping foundry goods shell, screw mandrel and feed screw nut spin and drive rack sleeve to move forward and backward, screw mandrel connecting plate both sides are to having screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller rollers are each passed through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate both sides and spin with locking nut, two cylindrical roller rollers in two screw bolt-type cylindrical roller rollers roll with the screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face being arranged in main tapping foundry goods shell both sides and coordinate, main shaft is positioned at rack sleeve by bearing, the power intake of main shaft is splined shaft, on splined shaft, cover has spline housing, intrinsic synchronous pulley on spline housing, synchronous pulley forms power transmission by the synchronous pulley on Timing Belt and motor shaft, main shaft is hollow bore main shaft, hollow bore main shaft is provided with automatic Rapid knife exchanging mechanism.
2. dead-beat static pressure servo power main tapping according to claim 1, it is characterized in that: Rapid knife exchanging mechanism realizes fast automatic tool changing by main shaft automatically, cylinder is installed on the base plate and forge a knife on oil cylinder base plate of forging a knife, cylinder is threaded connection action with inserted sheet of forging a knife, inserted sheet of forging a knife is arranged on forges a knife in base plate, base plate of forging a knife is provided with inside groove can locate inserted sheet of forging a knife, release inserted sheet of forging a knife coordinates with spline annular groove, cylinder senses tool changing signal after releasing certain stroke, inserted sheet of forging a knife supports spline annular groove, when preventing tool changing oil cylinder working-pressure to screw mandrel and bearing damage, realize automatic tool changer or press tool changing button, make cylinder action, oil cylinder is installed on by oil cylinder bracing ring forges a knife on oil cylinder base plate, oil cylinder base plate of forging a knife is fixed on forges a knife on base plate, oil cylinder base plate of forging a knife pushes down inserted sheet of forging a knife, oil cylinder piston stretches out, cylinder connector is connected with oil cylinder, cylinder connector contacts with connecting rod of forging a knife, promotion connecting rod of forging a knife is walked about forward, connecting rod and main shaft bar of forging a knife of forging a knife contacts, the disc spring that compression main shaft is forged a knife on bar, the pulling claw action forward that the bar that makes to forge a knife with main shaft is connected, unclamp pulling claw, realize rapid changing knife tool, press tool changing button, oil cylinder connects cylinder connector and returns to former travel position, the disc spring reaction force that main shaft is forged a knife on bar strains cutter, connecting rod of forging a knife is ejected backward simultaneously, connecting rod of forging a knife is provided with O type circle can prevent connecting rod play of forging a knife, and after PLC detects oil cylinder piston reset signal, cylinder pulls inserted sheet of forging a knife to reset, after cylinder piston resets, allow the operation of dead-beat static pressure servo power main tapping.
3. dead-beat static pressure servo power main tapping according to claim 1, is characterized in that: main shaft adopts the grafting of tapering screw to dock by main shaft axle and splined shaft and forms, and the axle center of its main shaft axle and splined shaft is through hole hollow shaft.
4. dead-beat static pressure servo power main tapping according to claim 1, is characterized in that: in main tapping foundry goods shell, rack sleeve casting shell inwall is that gap oil film coordinates with rack sleeve outer wall.
5. dead-beat static pressure servo power main tapping according to claim 1, is characterized in that: rack sleeve is arranged in the rack sleeve casting shell of main tapping foundry goods shell and rack sleeve casting shell has oil filler point.
6. dead-beat static pressure servo power main tapping according to claim 1, is characterized in that: screw mandrel connecting plate is that Pear-Shaped screw mandrel connects, and Pear-Shaped screw mandrel connecting plate top is connected with feed screw nut, bottom is connected with rack sleeve.
7. dead-beat static pressure servo power main tapping according to claim 1, is characterized in that: the rack sleeve casting shell inwall in main tapping foundry goods shell has above oil ring groove together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339120.XU CN204353486U (en) | 2014-06-24 | 2014-06-24 | Dead-beat static pressure servo power main tapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339120.XU CN204353486U (en) | 2014-06-24 | 2014-06-24 | Dead-beat static pressure servo power main tapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353486U true CN204353486U (en) | 2015-05-27 |
Family
ID=53254983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339120.XU Withdrawn - After Issue CN204353486U (en) | 2014-06-24 | 2014-06-24 | Dead-beat static pressure servo power main tapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204353486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070189A (en) * | 2014-06-24 | 2014-10-01 | 杭州贝克机械有限公司 | Straight hydrostatic servo power spindle head and working method thereof |
| CN107617974A (en) * | 2017-09-26 | 2018-01-23 | 高勇 | A kind of sander |
-
2014
- 2014-06-24 CN CN201420339120.XU patent/CN204353486U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070189A (en) * | 2014-06-24 | 2014-10-01 | 杭州贝克机械有限公司 | Straight hydrostatic servo power spindle head and working method thereof |
| CN104070189B (en) * | 2014-06-24 | 2016-10-12 | 杭州贝克机械有限公司 | Dead-beat static pressure servo power main tapping and method of work |
| CN107617974A (en) * | 2017-09-26 | 2018-01-23 | 高勇 | A kind of sander |
| CN107617974B (en) * | 2017-09-26 | 2023-12-08 | 深圳市富信泰科技有限公司 | Polisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150527 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |