CN104070395A - Quick tool changing structure of straight hydrostatic servo power spindle head - Google Patents
Quick tool changing structure of straight hydrostatic servo power spindle head Download PDFInfo
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- CN104070395A CN104070395A CN201410285527.3A CN201410285527A CN104070395A CN 104070395 A CN104070395 A CN 104070395A CN 201410285527 A CN201410285527 A CN 201410285527A CN 104070395 A CN104070395 A CN 104070395A
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- knife
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15553—Tensioning devices or tool holders, e.g. grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a quick tool changing structure of a straight hydrostatic servo power spindle head. The cylinders of an automatic quick tool changing mechanism is mounted on a tool base and a tool oil cylinder base, the cylinder is threadedly connected with a tool insertion piece for moving, the tool insertion piece is mounted on the tool base, the tool base is provided with an inner groove for positioning tool insertion piece, the pushed tool insertion piece matches with a spline ring groove, the cylinder senses a tool change signal after a certain stroke, the tool insertion piece supports the spline ring groove to prevent the damage of pressure from the oil cylinder to a lead screw and a bearing during tool changing, the tool changing can be implemented automatically or by pressing a tool changing button to enable the oil cylinder to move, and the tool insertion piece is pressed by the tool oil cylinder base; a piston of the oil cylinder extends outwards, an oil cylinder joint is connected with the oil cylinder and in contact with a tool connecting rod to push the tool connecting rod to move forward, the tool connecting rod in contact with a spindle tool rod, a disc spring on the spindle tool rod is compressed to enable a pulling claw connected with the spindle tool rod to move forward, and the pulling claw is released to realize quick tool changing.
Description
Technical field
The present invention relates to one and can meet high-speed motion, there is again high rigidity cutting power, collar bush barrel shell inwall in rack sleeve and the main tapping foundry goods shell dead-beat static pressure servo power main tapping rapid changing knife structure without frictional movement be can realize again simultaneously, moving brill, milling, boring machine power spindle head manufacture field belonged to.
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, the first static-pressure sliding bearing, the second static-pressure sliding bearing, shell body, right end cap, flutter body, elasticity end cap and for assembling the dop of drill bit, the output shaft of described the first servomotor is connected with described main shaft, described shell body inside has cavity volume, described the first static-pressure sliding bearing is installed on described shell body cavity volume left end, described the 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, the first static-pressure sliding bearing, cavity volume, the second static-pressure sliding bearing and right end cap also stretch out described right end cap, described the first static-pressure sliding bearing is communicated with by the oil-feed runner in described shell body with the oil-in of the second static-pressure sliding bearing, 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 the first static-pressure sliding bearing is connected with tank drainback mouth by the oil return runner at described shell body middle part 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, described flutter body middle part has turnover oilhole, 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 by the turnover runner in shell body and the shaft orientation flowing channel in described main shaft, 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 a vibration cavity volume, described elasticity end cap right-hand member is fixedly connected with dop.Its weak point: the one, machining spindle stroke range is fixed, the scope of application is little; The 2nd, cannot realize rapid changing knife; The 3rd, machining accuracy is low.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design one can meet high-speed motion, there is again high rigidity cutting power, can realize again collar bush barrel shell inwall in rack sleeve and the main tapping foundry goods shell dead-beat static pressure servo power main tapping rapid changing knife structure without frictional movement simultaneously.
Design: in order to realize above-mentioned purpose of design.Main shaft adopts tapering screw grafting docking to form by line shaft and splined shaft and the axle center of line shaft and splined shaft is the design of through hole hollow shaft, is technical characteristics of the present invention.The object of design is like this: owing to forming the line shaft of main shaft and the length of splined shaft 1 meter of left and right, if not by its segment design, not only cannot manufacture the long through hole 1 meter of left and right in Zhou center, and the manufacturing cost of one-piece rotor shaft that reaches 1 meter of left and right is very expensive, and be difficult to guarantee its rigidity.The application be designed to split docking structure not only can realize line shaft and splined shaft axle center along the long hole of opening, and the object of opening hole in line shaft and splined shaft axle center is achieved, realize the order of rapid changing knife, and reduce widely the manufacturing cost of axle, guaranteed its rigidity requirement.
Technical scheme: a kind of dead-beat static pressure servo power main tapping rapid changing knife structure, automatically in Rapid knife exchanging mechanism, cylinder is installed on the base plate and forging a knife on oil cylinder base plate of forging a knife, cylinder is threaded connection action with the inserted sheet of forging a knife, the inserted sheet of forging a knife is arranged on forges a knife in base plate, the base plate of forging a knife is provided with inside groove can locate the inserted sheet of forging a knife, the release inserted sheet of forging a knife coordinates with spline annular groove, cylinder senses tool changing signal after releasing certain stroke, the inserted sheet of forging a knife supports spline annular groove, while 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, the oil cylinder base plate of forging a knife is pushed down the inserted sheet of forging a knife, oil cylinder piston stretches out, cylinder connector is connected with oil cylinder, cylinder connector contacts with the connecting rod of forging a knife, the promotion connecting rod of forging a knife is walked about forward, connecting rod and the main shaft bar of forging a knife of forging a knife contacts, and the dish spring that compression main shaft is forged a knife on bar makes to move forward with the main shaft pulling claw being connected on bar of forging a knife, unclamp pulling claw, realize rapid changing knife tool, press tool changing button, oil cylinder connects cylinder connector and returns to former travel position, the dish spring reaction force that main shaft is forged a knife on bar is strained cutter, the connecting rod of forging a knife is ejected backward simultaneously, when PLC detects after oil cylinder piston reset signal, cylinder pulls to forge a knife to insert and resets, and after cylinder piston resets, allows the structure operation of dead-beat static pressure servo power main tapping rapid changing knife, or
Manually fast fast cutter mechanism is made up of pull bar and locking nut, and pull bar two ends are shaped with screw thread, and pull bar is positioned at hollow bore main shaft and pull bar front end and cutter spins, rear end is revolved and locked with locking nut.
The present invention compared with background technology, the one, main tapping both can carry out feeding cutting without slide unit, and machining accuracy is high, applied widely; The 2nd, be arranged in screw mandrel connecting plate both sides screw bolt-type cylindrical roller roller two cylindrical roller rollers respectively be arranged in the design coordinating of rolling of screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face of main tapping foundry goods shell both sides, both avoided the rotation of rack sleeve, realize again and met the adjusting of travel of spindle front and back, guarantee the steady processing cutting of main shaft, the transmission accuracy that improved screw mandrel and screw mandrel service life; The 3rd, in rack sleeve and main tapping foundry goods shell, in the fit tolerance size of rack sleeve casting shell, fill lubricating oil, adopt the design of oil molecule omnidirectional support rack sleeve, the length dimension of having realized the full supporting spindle sleeve of rack sleeve casting shell in main tapping foundry goods shell is greater than twice rack sleeve diameter, thereby guarantees spindle processing axle center degree; The 4th, the split type method of employing of spline spindle and main shaft designs, and has both realized the object of spline spindle and spindle axis hollow bore, reduces main shaft and spline spindle production cost, has realized the object of hydraulic power head and servo power head automatic tool changer tool.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of dead-beat static pressure servo power main tapping rapid changing knife structure.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is the structural representation that manually changes rapid changing knife of Fig. 1.
Fig. 4 is the sectional structure schematic diagram of main shaft.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-4.A kind of dead-beat static pressure servo power main tapping rapid changing knife structure, automatically Rapid knife exchanging mechanism is realized fast automatic tool changing by main shaft 1-7, servomotor 1-1 drives screw mandrel 1-3 by shaft coupling 1-2, screw mandrel 1-13 separately coordinates (coordinating with screw mandrel supporting seat as screw mandrel adopts bearing) with main tapping foundry goods shell 1-10 upper screw rod supporting seat 17, 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 have 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 forging a knife on oil cylinder base plate 3-9 of forging a knife, cylinder 3-10 and the inserted sheet 3-11 that forges a knife are threaded connection action, 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, the 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, while 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 and is forged a knife on oil cylinder base plate 3-9 by oil cylinder bracing ring 3-6, 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, and the dish spring 3-20 that compression main shaft is forged a knife on bar 3-21 makes to move forward with the main shaft pulling claw 3-22 being connected on bar 3-21 that forges a knife, 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 dish spring 3-20 reaction force that main shaft is forged a knife on bar 3-21 is strained 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 the 3-17 connecting rod 3-21 play that can prevent from forging a knife, when PLC detects after 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 structure operation of dead-beat static pressure servo power main tapping rapid changing knife,
The dead-beat static pressure servo power main tapping being formed by rapid changing knife structure, comprise PLC controller, servomotor 1-1 is connected with screw mandrel 1-3 one end by shaft coupling 1-2, screw mandrel 1-13 separately with coordinate with main tapping foundry goods shell 1-10 upper screw rod supporting seat 17, screw mandrel connecting plate 1-4 one end is connected with feed screw nut 1-16, 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, 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 pass respectively 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 be arranged in screw bolt-type cylindrical roller roller backing plate 1-6 on the rectangular circular hole 1-15 internal face of main tapping foundry goods shell 1-10 both sides and roll 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, the upper cover of splined shaft 1-3 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 main shaft, hollow bore main shaft is provided with Rapid knife exchanging mechanism.
Or formed by pull bar 1-12 and locking nut 1-13 with reference to the manual fast fast cutter mechanism of accompanying drawing 3, pull bar 1-12 two ends are shaped with screw thread, and pull bar 1-12 is positioned at hollow bore main shaft and pull bar 1-12 front end and cutter spins, the locking with locking nut 1-13 is revolved in rear end.
Main shaft 1-7 adopts tapering screw 1-12 to peg graft to dock by main shaft axle 1-11 and splined shaft 1-13 and forms, and the axle center of its line shaft 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.Servomotor drives screw mandrel rotation by shaft coupling, the design that screw mandrel drives rack sleeve to move forward and backward by the screw mandrel connecting plate being connected with rack sleeve.The rack sleeve that is arranged in main tapping foundry goods shell due to rack sleeve is cast 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, thereby the rack sleeve of eliminating in rack sleeve and main tapping foundry goods shell is cast the build-up tolerance between shell, its oil film is cast between shell inwall and rack sleeve outer wall the rack sleeve in main tapping foundry goods shell can not produce friction, has realized high accuracy and has moved without abrasion.Rack sleeve casting shell 1-14 inwall in main tapping foundry goods shell has an above oil ring groove together.Collar bush barrel shell 1-14 and collar bush barrel shell 1-14 that rack sleeve 1-9 is arranged in main tapping foundry goods shell have oil filler point.Look nut 3-18 is screwed in the main shaft of dish spring 3-20 one end and forges a knife on bar 3-21.
Screw mandrel connecting plate 1-4 is Pear-Shaped screw mandrel and connects, and Pear-Shaped screw mandrel connecting plate top is connected with feed screw nut, bottom is connected with rack sleeve 1-9.
Screw mandrel connecting plate both sides are to having screw bolt-type cylindrical roller roller installing hole, and two screw bolt-type cylindrical roller rollers are respectively through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate both sides and the design spinning with locking nut.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 location one, main shaft drives bearing inner sleeve rotation, thereby rack sleeve moves forward and backward stroke and is the shift motion of main shaft, height in order to ensure main shaft rectilinear path is accurate, prevent that main shaft from rotating drive rack sleeve and rotating, the application adopts two cylindrical roller rollers in two screw bolt-type cylindrical roller rollers and is arranged in screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face of main tapping foundry goods shell both sides and rolls and coordinate, in its screw bolt-type cylindrical roller roller, bolt part is through screw bolt-type cylindrical roller roller installing hole and the locking of employing locking nut of screw mandrel connecting plate both sides, so both realized roller in screw bolt-type cylindrical roller roller and be arranged in screw bolt-type cylindrical roller roller backing plate on the rectangular circular-hole internal-wall face of main tapping foundry goods shell both sides and roll and coordinate, reduce to greatest extent abrasion, simultaneously by the adjustment to screw bolt-type cylindrical roller roller plate thickness, guarantee main shaft concentricity, spindle processing stable cutting is carried out, improve screw rod transmission precision and screw mandrel service life, avoid main shaft to start impact and the infringement of rotation to screw mandrel.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of restriction to mentality of designing of the present invention; any combination, increase or amendment that does not exceed mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (5)
1. a dead-beat static pressure servo power main tapping rapid changing knife structure, it is characterized in that: automatically in Rapid knife exchanging mechanism, cylinder is installed on the base plate and forging a knife on oil cylinder base plate of forging a knife, cylinder is threaded connection action with the inserted sheet of forging a knife, the inserted sheet of forging a knife is arranged on forges a knife in base plate, the base plate of forging a knife is provided with inside groove can locate the inserted sheet of forging a knife, the release inserted sheet of forging a knife coordinates with spline annular groove, cylinder senses tool changing signal after releasing certain stroke, the inserted sheet of forging a knife supports spline annular groove, while 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, the oil cylinder base plate of forging a knife is pushed down the inserted sheet of forging a knife, oil cylinder piston stretches out, cylinder connector is connected with oil cylinder, cylinder connector contacts with the connecting rod of forging a knife, the promotion connecting rod of forging a knife is walked about forward, connecting rod and the main shaft bar of forging a knife of forging a knife contacts, and the dish spring that compression main shaft is forged a knife on bar makes to move forward with the main shaft pulling claw being connected on bar of forging a knife, unclamp pulling claw, realize rapid changing knife tool, press tool changing button, oil cylinder connects cylinder connector and returns to former travel position, the dish spring reaction force that main shaft is forged a knife on bar is strained cutter, the connecting rod of forging a knife is ejected backward simultaneously, when PLC detects after oil cylinder piston reset signal, cylinder pulls the inserted sheet of forging a knife to reset, and after cylinder piston resets, allows the structure operation of dead-beat static pressure servo power main tapping rapid changing knife, or
Manually fast fast cutter mechanism is made up of pull bar and locking nut, and pull bar two ends are shaped with screw thread, and pull bar is positioned at hollow bore main shaft and pull bar front end and cutter spins, rear end is revolved and locked with locking nut.
2. dead-beat static pressure servo power main tapping rapid changing knife structure according to claim 1, is characterized in that: main shaft adopts tapering screw grafting docking to form by main shaft axle and splined shaft, and the axle center of its line shaft and splined shaft is through hole hollow shaft.
3. the servo manual tool changing power spindle of dead-beat static pressure according to claim 1 head, is characterized in that: main shaft adopts tapering screw grafting docking to form by main shaft axle and splined shaft, and the axle center of its line shaft and splined shaft is through hole hollow shaft.
4. the servo manual tool changing power spindle of dead-beat static pressure according to claim 1 head, is characterized in that: the connecting rod of forging a knife is provided with O type circle can prevent the connecting rod play of forging a knife.
5. the servo manual tool changing power spindle of dead-beat static pressure according to claim 1 head, is characterized in that: oil cylinder is installed on and is forged a knife on oil cylinder base plate by oil cylinder bracing ring, and the oil cylinder base plate of forging a knife is fixed on forges a knife on base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285527.3A CN104070395B (en) | 2014-06-24 | 2014-06-24 | Quick tool changing structure of straight hydrostatic servo power spindle head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285527.3A CN104070395B (en) | 2014-06-24 | 2014-06-24 | Quick tool changing structure of straight hydrostatic servo power spindle head |
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| Publication Number | Publication Date |
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| CN104070395A true CN104070395A (en) | 2014-10-01 |
| CN104070395B CN104070395B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410285527.3A Expired - Fee Related CN104070395B (en) | 2014-06-24 | 2014-06-24 | Quick tool changing structure of straight hydrostatic servo power spindle head |
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| EP0904890A2 (en) * | 1997-09-30 | 1999-03-31 | Toyoda Koki Kabushiki Kaisha | Horizontal machine tool |
| RU2149737C1 (en) * | 1998-08-11 | 2000-05-27 | Центральное конструкторское бюро машиностроения | Cut-off head to remote-control machine tool |
| CN101844245A (en) * | 2010-04-17 | 2010-09-29 | 安徽益友家用机床有限公司 | Rapid manual tool changing mechanism of numerical control milling machine |
| CN102394529A (en) * | 2011-10-13 | 2012-03-28 | 常州市翰琪电机有限公司 | Fan air-cooled automatic tool change electric spindle used for carpentry carving and milling |
| CN202491113U (en) * | 2012-03-20 | 2012-10-17 | 无锡市欧泰数控机床有限公司 | Floating tool releasing and catching device for tool replacement of spindle |
| CN102909589A (en) * | 2012-10-31 | 2013-02-06 | 普瑞森（安阳）机械有限公司 | Mechanical tool-changing spindle used at direct machining center |
| CN202894856U (en) * | 2012-11-06 | 2013-04-24 | 广州市昊志机电股份有限公司 | Tool changing device |
| CN103785868A (en) * | 2012-10-30 | 2014-05-14 | 扬州市组合机床厂 | Boring-cutting head tool-changing rod mechanism |
| CN204135778U (en) * | 2014-06-24 | 2015-02-04 | 杭州贝克机械有限公司 | The automatic rapid changing knife structure of dead-beat static pressure servo power main tapping |
-
2014
- 2014-06-24 CN CN201410285527.3A patent/CN104070395B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61252040A (en) * | 1985-04-30 | 1986-11-10 | Mazda Motor Corp | Tool changing apparatus in machining center |
| EP0904890A2 (en) * | 1997-09-30 | 1999-03-31 | Toyoda Koki Kabushiki Kaisha | Horizontal machine tool |
| RU2149737C1 (en) * | 1998-08-11 | 2000-05-27 | Центральное конструкторское бюро машиностроения | Cut-off head to remote-control machine tool |
| CN101844245A (en) * | 2010-04-17 | 2010-09-29 | 安徽益友家用机床有限公司 | Rapid manual tool changing mechanism of numerical control milling machine |
| CN102394529A (en) * | 2011-10-13 | 2012-03-28 | 常州市翰琪电机有限公司 | Fan air-cooled automatic tool change electric spindle used for carpentry carving and milling |
| CN202491113U (en) * | 2012-03-20 | 2012-10-17 | 无锡市欧泰数控机床有限公司 | Floating tool releasing and catching device for tool replacement of spindle |
| CN103785868A (en) * | 2012-10-30 | 2014-05-14 | 扬州市组合机床厂 | Boring-cutting head tool-changing rod mechanism |
| CN102909589A (en) * | 2012-10-31 | 2013-02-06 | 普瑞森（安阳）机械有限公司 | Mechanical tool-changing spindle used at direct machining center |
| CN202894856U (en) * | 2012-11-06 | 2013-04-24 | 广州市昊志机电股份有限公司 | Tool changing device |
| CN204135778U (en) * | 2014-06-24 | 2015-02-04 | 杭州贝克机械有限公司 | The automatic rapid changing knife structure of dead-beat static pressure servo power main tapping |
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| CN104070395B (en) | 2017-05-10 |
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