CN104070395B - 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
- Publication number
- CN104070395B CN104070395B CN201410285527.3A CN201410285527A CN104070395B CN 104070395 B CN104070395 B CN 104070395B CN 201410285527 A CN201410285527 A CN 201410285527A CN 104070395 B CN104070395 B CN 104070395B
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- China
- Prior art keywords
- knife
- tool
- forging
- oil cylinder
- cylinder
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- 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.)
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Classifications
-
- 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
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 kind can meet high-speed motion, and with high rigidity cutting power, while and main shaft can be realized
Dead-beat static pressure servo power main tapping of the collar bush barrel shell inwall in sleeve and main tapping foundry goods shell without frictional movement is quick
Tool-changing mechanism, the dynamic brill of category, milling, boring machine power spindle head manufacture field.
Background technology
CN103801729A, title " hydraulic vibration drill unit ", including drill unit mechanism, the drilling power
Head mechanism include 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, tremor body, elastic end cap and the dop for assembling drill bit, output shaft and the main shaft of first servomotor
Connection, is provided with cavity volume inside the shell body, first static-pressure sliding bearing is installed on the shell body cavity volume left end, described
Second static-pressure sliding bearing is installed on the shell body cavity volume right-hand member, and the left end cap is connected with the shell body left end, described
Right end cap is connected with the shell body right-hand member, the main shaft sequentially pass through left end cap, the first static-pressure sliding bearing, cavity volume, second
Static-pressure sliding bearing and right end cap simultaneously stretch out the right end cap, first static-pressure sliding bearing and the second static-pressure sliding bearing
Oil-in is connected by the oil-feed flow passage in the shell body, the oil-feed runner with the oil-in of shell body, described outer
The oil-in of housing is connected with the oil-out of air relief valve, the oil return of first static-pressure sliding bearing and the second static-pressure sliding bearing
Mouth is connected by the oil return runner in the middle part of the shell body with tank drainback mouth, and the tremor body connects with the right-hand member of the main shaft
Connect, the tremor body middle part is provided with into oil outlet, and the oil-out of high-frequency excitation valve is connected with the oil inlet and outlet of shell body, and passes through
The shaft orientation flowing channel in turnover runner and the main shaft in shell body with it is described enter oil outlet connect, the tremor body right-hand member and bullet
Property end cap connection, the tremor body right-hand member and the elastic end cap left end constitute a vibration cavity volume, the elastic end cap right-hand member
It is fixedly connected with dop.Its weak point：One is machining spindle stroke range for fixed, and the scope of application is little；Two be cannot be real
Existing rapid changing knife；Three is that machining accuracy is low.
The content of the invention
Purpose of design：The weak point in background technology, design one kind is avoided to meet high-speed motion, and with Gao Gang
Property cutting power, while and the collar bush barrel shell inwall in rack sleeve and main tapping foundry goods shell can be realized without the straight of frictional movement
Enter formula static pressure servo power main tapping rapid changing knife structure.
Design：In order to realize above-mentioned purpose of design.Main shaft adopts taper screw grafting pair by line shaft and splined shaft
Connect form and line shaft and splined shaft axle center be the hollow shaft design of through hole, be the present invention technical characteristics.So set
The purpose of meter is：Due to constituting the line shaft of main shaft and the length of splined shaft at 1 meter or so, if not by its segment design,
The long through hole at 1 meter or so of center manufacture in axle is not simply failed to, and it is non-up to the manufacturing cost of 1 meter or so of one-piece rotor shaft
Chang Anggui, and it is difficult to ensure that its rigidity.The application is designed into split docking structure and not only can realize line shaft and flower
The suitable long opened hole in key axle axle center, and be achieved the purpose of the opened hole in line shaft and splined shaft axle center, that is, realize
The purpose of rapid changing knife, and greatly reduce the manufacturing cost of axle, it is ensured that its rigid requirements.
Technical scheme：A kind of dead-beat static pressure servo power main tapping rapid changing knife structure, in automatic Rapid knife exchanging mechanism
Cylinder is installed on to forge a knife and base plate and forges a knife on oil cylinder base plate, and cylinder is threaded connection action with inserted sheet of forging a knife, inserted sheet of forging a knife peace
It is mounted in and forges a knife in base plate, base plate of forging a knife is provided with inside groove and can position inserted sheet of forging a knife, releases inserted sheet of forging a knife and coordinate with spline annular groove, gas
Cylinder to be released and sense tool changing signal after certain stroke, and inserted sheet of forging a knife supports spline annular groove, and oil cylinder working-pressure is to screw mandrel when preventing tool changing
And the damage of bearing, realize automatic tool changer or press tool changing button so that cylinder action, oil cylinder base plate of forging a knife push down forge a knife it is slotting
Piece；Oil cylinder piston stretches out, and cylinder connector is connected with oil cylinder, and cylinder connector is contacted with connecting rod of forging a knife, and promotes connecting rod of forging a knife past
Before walk about, connecting rod of forging a knife and main shaft bar of forging a knife is contacted, and compresses the disc spring that main shaft is forged a knife on bar so that is forged a knife with main shaft and connect on bar
The pulling claw for connecing action forward, unclamps pulling claw, realizes that rapid changing knife has；Tool changing button is pressed, oil cylinder connection cylinder connector is returned to
Former travel position, the disc spring counteracting force that main shaft is forged a knife on bar tenses cutter, while connecting rod of forging a knife is ejected backward, works as PLC
After detecting oil cylinder piston reset signal, cylinder is pulled to forge a knife to insert and resetted, after cylinder piston resets, it is allowed to dead-beat static pressure servo
Power spindle head rapid changing knife structure operation；Or
Manually quick fast cutter mechanism is made up of pull bar and locking nut, and pull bar two ends are formed with screw thread, and pull bar is located at hollow logical
In the main shaft of hole and pull bar front end and cutter spin, rear end rotation is locked with locking nut.
Compared with background technology, one is main tapping can both carry out feeding cutting to the present invention without the need for slide unit, and machining accuracy it is high,
It is applied widely；Two is the two cylindrical roller rollers difference being located in the screw bolt-type cylindrical roller roller of screw mandrel connecting plate both sides
Roll what is coordinated with the screw bolt-type cylindrical roller roller backing plate on the strip circular-hole internal-wall face in main tapping foundry goods shell both sides
Design, had both avoided the rotation of rack sleeve, realizes again and meets regulation before and after travel of spindle, it is ensured that the steady of main shaft adds
Work is cut, and improves the transmission accuracy and screw mandrel service life of screw mandrel；Three is rack sleeve and rack sleeve in main tapping foundry goods shell
Lubricating oil is filled in the fit tolerance size of casting shell, using the design of oil molecule omnidirectional support rack sleeve, main shaft is realized
The length dimension of the full supporting spindle sleeve of rack sleeve casting shell is more than twice rack sleeve diameter in head foundry goods shell, so that it is guaranteed that main
Axle processes axle center degree；Four is spline spindle and the split type method design of the employing of main shaft, has both realized spline spindle and spindle shaft
The purpose of heart hollow bore, reduces main shaft and spline spindle production cost, realizes hydraulic power head and servo power head is automatic
The purpose of tool changing tool.
Description of the drawings
Fig. 1 is the cross section structure diagram of dead-beat static pressure servo power main tapping rapid changing knife structure.
Fig. 2 is the dimensional structure diagram of Fig. 1.
Fig. 3 is the structural representation for changing rapid changing knife manually of Fig. 1.
Fig. 4 is the cross section structure diagram of main shaft.
Specific embodiment
Embodiment 1：Referring to the drawings 1-4.A kind of dead-beat static pressure servo power main tapping rapid changing knife structure, it is automatically quick
Cutter-exchange mechanism realizes fast automatic tool changing by main shaft 1-7, and servomotor 1-1 is by shaft coupling 1-2 drive screws 1-3, screw mandrel 1-3
Separately coordinate with main tapping foundry goods shell 1-10 upper screw rods support base（As screw mandrel is coordinated using bearing with screw mandrel support seat）, screw mandrel 1-3
It 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 core axle 1-
11 are completed main shaft by bearing fit, and spline spindle 1-13 is installed on main core axle 1-11 tail ends, realizes that spline spindle is moved back
To tool changing specified point, cylinder 3-10 is installed on to forge a knife and base plate 3-12 and forges a knife on oil cylinder base plate 3-9, cylinder 3-10 and inserted sheet of forging a knife
3-11 is threaded connection action, and the inserted sheet 3-11 that forges a knife is arranged on and forges a knife in base plate 3-12, and the base plate 3-12 that forges a knife is provided with inside groove can
To position the inserted sheet 3-11 that forges a knife, release inserted sheet of forging a knife and coordinate with spline annular groove 3-13, cylinder 3-10 released and sense after certain stroke
To tool changing signal, the inserted sheet 3-11 that forges a knife supports spline annular groove 3-13, and oil cylinder 3-7 pressure is to screw mandrel 1-3 and bearing when preventing tool changing
Damage, realize automatic tool changer or press tool changing button so that oil cylinder 3-7 actions, oil cylinder 3-7 pass through oil cylinder bracing ring 3-6
It is installed on 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 pressures
Firmly forge a knife inserted sheet 3-11；Oil cylinder piston stretches out, and cylinder connector is connected with oil cylinder, and cylinder connector 3-8 connects with connecting rod 3-16 of forging a knife
Touch, promotion connecting rod 3-16 of forging a knife is walked about forward, connecting rod 3-16 of the forging a knife and main shaft bar 3-21 that forges a knife is contacted, and is compressed main shaft and is forged a knife
Disc spring 3-20 on bar 3-21 so that the pulling claw 3-22 actions forward being connected on bar 3-21 of forging a knife with main shaft, unclamps pulling claw 3-22,
Realize that rapid changing knife has 3-23；Tool changing button is pressed, oil cylinder 3-7 connection cylinder connector 3-8 return to former travel position, and main shaft is beaten
Disc spring 3-20 counteracting force on knife bar 3-21 tenses cutter, while connecting rod 3-21 of forging a knife is ejected, connecting rod of forging a knife backward
3-21 is provided with O-ring 3-14 and 3-17 and can prevent connecting rod 3-21 play of forging a knife, and believes when PLC detects oil cylinder piston and resets
After number, cylinder 3-10 pulls inserted sheet 3-11 resets of forging a knife, after cylinder piston resets, it is allowed to dead-beat static pressure servo power main tapping
Rapid changing knife structure operation；
The dead-beat static pressure servo power main tapping being made up of rapid changing knife structure, including PLC, servomotor 1-
1 is connected by shaft coupling 1-2 with screw mandrel 1-3 one end, screw mandrel 1-3 separately with match somebody with somebody with main tapping foundry goods shell 1-10 upper screw rod support bases
Close, screw mandrel connecting plate 1-4 one end is connected with feed screw nut, and the screw mandrel connecting plate 1-4 other ends are connected with rack sleeve 1-9, main shaft
Sleeve 1-9 is located in the casting shell of the rack sleeve in main tapping foundry goods shell, and screw mandrel 1-3 rotates and drive rack sleeve with feed screw nut
1-9 is moved forward and backward, and screw mandrel connecting plate 1-4 both sides are to being provided with screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylinder rollings
Sub- roller 1-5 is each passed through the screw bolt-type cylindrical roller roller installing hole of screw mandrel connecting plate 1-4 both sides and revolves with locking nut 1-8
Connect, two cylindrical roller rollers in two screw bolt-type cylindrical roller roller 1-5 be located at main tapping foundry goods shell 1-10 both sides in
Strip circular hole 1-15 internal faces on screw bolt-type cylindrical roller roller backing plate 1-6 roll and coordinate, main shaft 1-7 is located at by bearing
In rack sleeve 1-9, the power intake of main shaft 1-7 is splined shaft 1-13, spline housing is cased with splined shaft 1-3, on spline housing
Intrinsic synchronous pulley, synchronous pulley forms power transmission by Timing Belt with the synchronous pulley on motor shaft, and main shaft 1-7 is hollow
Through hole main shaft, hollow bore main shaft is provided with Rapid knife exchanging mechanism.
Or referring to the drawings 3 manual quick fast cutter mechanisms are made up of pull bar 1-12 and locking nut, pull bar 1-12 two ends are formed with
Screw thread, pull bar 1-12 is located in hollow bore main shaft and pull bar 1-12 front ends and cutter spin, rear end rotation is locked with locking nut.
Main shaft 1-7 is formed by main core axle 1-11 and splined shaft 1-13 using taper screw grafting docking, its main core axle
The axle center of 1-11 and splined shaft 1-13 is through hole hollow axle.Collar bush barrel shell inwall and rack sleeve in main tapping foundry goods shell 1-10
1-9 outer walls are the cooperation of gap oil film.Servomotor drives screw mandrel rotation by shaft coupling, and screw mandrel is by being connected with rack sleeve
Screw mandrel connecting plate drives the movable design of rack sleeve.Because rack sleeve is located at the rack sleeve in main tapping foundry goods shell
In shell, and collar bush barrel shell inwall and rack sleeve outer wall are the cooperation of high-accuracy gap oil film, and the oil film is circulated low using static pressure
Pressure oil supply produces oil film, thus eliminates the build-up tolerance between rack sleeve and the collar bush barrel shell in main tapping foundry goods shell, its
Oil film makes that between collar bush barrel shell inwall and rack sleeve outer wall in main tapping foundry goods shell friction will not be produced, and realizes high-precision
Degree is without abrasion movement.Rack sleeve casting shell inwall in main tapping foundry goods shell is provided with more than one oil ring groove together.Rack sleeve 1-9
In the collar bush barrel shell 1-14 in main tapping foundry goods shell and collar bush barrel shell 1-14 is provided with oil filler point.Look nut 3-18 revolves
It is connected on the main shaft of disc spring 3-20 one end to forge a knife on bar 3-21.
Screw mandrel connecting plate 1-4 connects in Pear-Shaped screw mandrel, and Pear-Shaped screw mandrel connecting plate top is connected with feed screw nut, bottom
It is connected with rack sleeve 1-9.
Screw mandrel connecting plate both sides are to being provided with screw bolt-type cylindrical roller roller installing hole, two screw bolt-type cylindrical roller rollers point
Not Chuan Guo screw mandrel connecting plate both sides screw bolt-type cylindrical roller roller installing hole and the design that spins with locking nut.Due to main shaft
Strip circular hole system in head foundry goods shell both sides is the movable stroke of rack sleeve, and main shaft adopts high-precision with rack sleeve inwall
Close bearing positioning one, main shaft drives bearing inner sleeve rotation, thus the movable stroke of rack sleeve is the mobile row of main shaft
Journey, in order to ensure the height of main shaft rectilinear path is accurate, prevents main axis from driving rack sleeve to rotate, and the application adopts two spiral shells
Two cylindrical roller rollers in bolt type cylindrical roller roller and the strip circular-hole internal-wall face being located in main tapping foundry goods shell both sides
On screw bolt-type cylindrical roller roller backing plate roll coordinate, in its screw bolt-type cylindrical roller roller bolt portion pass through screw mandrel connecting plate
The screw bolt-type cylindrical roller roller installing hole of both sides and using locking nut lock, so both realized screw bolt-type cylindrical roller rolling
Roller in wheel and the screw bolt-type cylindrical roller roller backing plate on the strip circular-hole internal-wall face in main tapping foundry goods shell both sides
Roll and coordinate, abrasion is reduced to greatest extent, while by the adjustment to screw bolt-type cylindrical roller roller plate thickness, it is ensured that
Main shaft concentricity so that spindle processing stable cutting is carried out, improve screw rod transmission precision and screw mandrel service life, it is to avoid master
Axle starts impact and infringement of the rotation to screw mandrel.
It is to be understood that：Although above-described embodiment is contrasted to the mentality of designing of the present invention, detailed word is retouched
State, but these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Restriction, any combination without departing from mentality of designing of the present invention, increase or change, each fall within protection scope of the present invention.
Claims (4)
1. a kind of dead-beat static pressure servo power main tapping rapid changing knife structure, is characterized in that：
Automatically cylinder is installed on to forge a knife and base plate and forges a knife on oil cylinder base plate in Rapid knife exchanging mechanism, and cylinder is with inserted sheet of forging a knife by spiral shell
Stricture of vagina connecting moves, inserted sheet of forging a knife is arranged on and forges a knife in base plate, and base plate of forging a knife is provided with inside groove and can position inserted sheet of forging a knife, and release is forged a knife
Inserted sheet coordinates with spline annular groove, and cylinder to be released and sense tool changing signal after certain stroke, and inserted sheet of forging a knife supports spline annular groove, prevents
Damage of the oil cylinder working-pressure to screw mandrel and bearing during tool changing, realizes automatic tool changer or is manually pressed by tool changing button so that oil cylinder is moved
Make, oil cylinder base plate of forging a knife pushes down inserted sheet of forging a knife；Oil cylinder piston stretches out, and cylinder connector is connected with oil cylinder, cylinder connector and the company of forging a knife
Extension bar is contacted, and promotion connecting rod of forging a knife is walked about forward, and connecting rod of forging a knife and main shaft bar of forging a knife is contacted, and is compressed main shaft and is forged a knife on bar
Disc spring so that the pulling claw action forward being connected on bar of forging a knife with main shaft, unclamps pulling claw, realizes that rapid changing knife has；It is manually pressed by changing
Knife button, oil cylinder connection cylinder connector returns to former travel position, and the disc spring counteracting force that main shaft is forged a knife on bar tenses cutter, together
When connecting rod of forging a knife is ejected backward, after PLC detects oil cylinder piston reset signal, cylinder pulls inserted sheet reset of forging a knife, gas
After cylinder piston reset, it is allowed to dead-beat static pressure servo power main tapping rapid changing knife structure operation.
2. dead-beat static pressure servo power main tapping rapid changing knife structure according to claim 1, is characterized in that：Main shaft by
Main core axle and splined shaft are formed using taper screw grafting docking, and the axle center of its line shaft and splined shaft is through hole hollow axle.
3. dead-beat static pressure servo power main tapping rapid changing knife structure according to claim 1, is characterized in that：The company of forging a knife
Extension bar is provided with O-ring and can prevent connecting rod play of forging a knife.
4. dead-beat static pressure servo power main tapping rapid changing knife structure according to claim 1, is characterized in that：Oil cylinder leads to
Cross oil cylinder bracing ring and be installed on and forge a knife on oil cylinder base plate, 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104070395A CN104070395A (en) | 2014-10-01 |
| CN104070395B true CN104070395B (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410285527.3A Expired - Fee Related CN104070395B (en) | 2014-06-24 | 2014-06-24 | Quick tool changing structure of straight hydrostatic servo power spindle head |
Country Status (1)
| Country | Link |
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| CN (1) | CN104070395B (en) |
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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 |
| 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 |
Family Cites Families (2)
| 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 |
| 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 |
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2014
- 2014-06-24 CN CN201410285527.3A patent/CN104070395B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN104070395A (en) | 2014-10-01 |
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Granted publication date: 20170510 Termination date: 20170624 |