CN201871934U - Dynamic electricity main spindle unit for high speed lathe-mill composite processing - Google Patents
Dynamic electricity main spindle unit for high speed lathe-mill composite processing Download PDFInfo
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- CN201871934U CN201871934U CN2010205071072U CN201020507107U CN201871934U CN 201871934 U CN201871934 U CN 201871934U CN 2010205071072 U CN2010205071072 U CN 2010205071072U CN 201020507107 U CN201020507107 U CN 201020507107U CN 201871934 U CN201871934 U CN 201871934U
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Abstract
A dynamic electricity main spindle unit for high speed lathe-mill composite processing is provided with matched electric, hydraulic and control parts correspondingly combined with a system on a machine tool, and is characterized in that the inner part of a main spindle box is concentrically provided with a water jacket, an inbuilt motor and a main spindle from outside to inside; the inner bore of the main spindle is provided with a broach mechanism; the front end of the broach mechanism is provided with a broach sleeve, and the rear end of the broach mechanism is connected with a connecting sleeve and a cutter removing mechanism; a front bearing and a rear bearing installed on the outer walls of two ends of a main spindle form a bearing pre-tightening structure; three gear disc mechanisms are installed at the periphery of the broach sleeve; a tool striking cylinder sleeve forms a cutter removing oil cylinder; a locking nut at the rear end of the main spindle is provided with a circular grating; the removing oil cylinder and the cutter striking oil cylinder at the rear end of the main spindle are installed on the main spindle box through a rear end cover and a large flange; and an oil inlet and an oil outlet are respectively connected with a hydraulic system of the machine tool. Equipped on a high-speed five-shaft lathe-mill composite processing machine tool, the dynamic electricity main spindle unit can realize composite processing such as high-rigidity lathing, high rotating speed milling and the like.
Description
Technical field
The utility model relates to mechanical production devices.
Background technology
Functions such as the turnning and milling Compositions of metal-working machines has car, mills, brill, boring, tapping, deep hole machining, turnning and milling internal and external threads, these functions mainly rely on turnning and milling Compound Machining power spindle device to realize, therefore require this type of device to carry out the Milling Process except that rotary cutter can be installed, turning cutting tool can also be installed, realize the turnning and milling Compound Machining.Turnning and milling Compound Machining power electricity spindle technology is abroad monopolized as the core technology of turnning and milling Compositions of metal-working machines always, increase domestic manufacturers' equipment greatly and introduced cost, maintenance of equipment maintenance cost, restricted the fast development of industries such as China's automobile, military project, aviation, the energy.So need a high speed turn-milling Compound Machining power electric main shaft device of design, break the situation of similar lathe foreign vendor monopolization, make China's machine-tool industry in the high-tech equipment field, obtain further development, shorten China's machine-tool industry and external rival's gap, improve the international competitiveness of the high-end numerical control products of China.
Summary of the invention
The purpose of this utility model provides a kind of high speed turn-milling Compound Machining power electric main shaft device, is equipped in the high speed 5-axle car and mills on the Compositions of metal-working machines, can realize Compound Machining such as high rigidity turning processing and high rotating speed milling.
High speed turn-milling Compound Machining power electric main shaft device, being equipped in the high speed 5-axle car mills on the composite processing machine tool, and supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe arranged, it is characterized in that the main spindle box inner concentric is equipped with water jacket, built-in motor and main shaft from outside to inside, the main shaft endoporus is equipped with tool-broaching mechanism, the tool-broaching mechanism front end is installed the broaching tool cover, and the tool-broaching mechanism rear end connects adapter sleeve and cutter disassembling machine structure; The forward and backward bearing that main shaft two ends outer wall is installed constitutes bearing respectively and becomes pre-pressing structure; Three fluted disc mechanisms are installed in the periphery of broaching tool cover, are formed by the cylinder sleeve of forging a knife and unload the cutter oil cylinder, and the circle grating is installed on the locking nut of rear-end of spindle; The unloading cylinder of rear-end of spindle and the cylinder sleeve of forging a knife are installed on the main spindle box by rear end cap, big flange, are connected with the hydraulic system of lathe respectively into and out of hydraulic fluid port.
In the design, the driving of power spindle relies on the inner electric machine that is installed on the main shaft to finish, and outer shroud is furnished with water jacket, realizes the circulation cooling of motor, controls electric main shaft temperature rise.Use three fluted disc structures at front-end of spindle and realize that turning adds the high rigidity in man-hour, when guaranteeing fluted disc locking by structure innovation, main shaft bearing is realized unloading, reduces the additional load to main shaft bearing; By the running status of heat and vibrating sensor feedback axis system, guarantee the functional reliability of axis system; Rear-end of spindle is furnished with high accuracy, high rotating speed direct connection feedback grating, guarantees the high dynamic characteristic of power spindle.Alignment of shafts built-up broach mechanism can realize center water flowing and air blowing.
The rotating speed of main shaft and rigidity are a pair of paradox, and the too high then rigidity of rotating speed is just relatively low, and the too high then rotating speed of rigidity is just relatively low.Creativeness of the present invention is to have used bearing and becomes preload Technique, and the high rigidity that less caloric value and low speed add the main shaft in man-hour when guaranteeing high rotating speed is by the running status of heat and vibrating sensor feedback axis system, the functional reliability of assurance power spindle.Tool-broaching mechanism is furnished with stepless travel switch, realizes the detection of band cutter broaching tool, no cutter broaching tool and three positions of forging a knife.When tool-broaching mechanism is forged a knife, utilize three fluted disc structures of front end to realize to the equilibrium of forces of forging a knife, when avoiding forging a knife to the shock loading of main shaft bearing.
Description of drawings
Fig. 1 is a high speed power electricity main shaft cross-sectional schematic;
Fig. 2 is the hydraulic system principle schematic;
Fig. 3 is the pneumatic system principle schematic.
The specific embodiment
High speed turn-milling Compound Machining power electric main shaft device, being contained in the high speed 5-axle car mills on the composite processing machine tool, and supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe arranged, it is characterized in that main spindle box 31 inner concentric are equipped with water jacket 12, built-in motor 11 and main shaft 32 from outside to inside, main shaft 32 endoporus are equipped with tool-broaching mechanism 10, tool-broaching mechanism 10 front ends are installed broaching tool cover 2, and tool-broaching mechanism 10 rear ends connect adapter sleeve 30 and cutter disassembling machine structure; Fore bearing 37, rear bearing 15 that main shaft 32 two ends outer walls are installed constitute bearing respectively and become pre-pressing structure; Circle grating 16 is installed on the locking nut 27 of main shaft 32 rear ends; Three fluted disc mechanisms are installed in the periphery of broaching tool cover 2, are formed by sleeve 3, unsteady fluted disc 4 and drive end bearing bracket 39 and unclamp oil cylinder 6, constitute locking cylinder 5 by unsteady fluted disc 4 and drive end bearing bracket 39; Seal cartridge assembly 24 is installed in the rear end of adapter sleeve 30, and rearmost end is equipped with stepless switch 20; The unloading cylinder 18 of main shaft 32 rear ends and the cylinder sleeve 23 of forging a knife are installed on the main spindle box 31 by rear end cap 21, big flange 26, are connected with the hydraulic system of lathe respectively into and out of hydraulic fluid port.
Bearing becomes pre-pressing structure: fore bearing 37 is installed on the main spindle box 31 by forward flange 36, broaching tool cover 2 is settled in fore bearing 37 left sides, sleeve 33 and small end lid 34 are settled in the right side, ring is installed on main shaft 32 peripheries in the fore bearing 37, outer shroud is supported by forward flange 36, heat and vibrating sensor 9 are installed, pre-pressing structure before constituting with broaching tool cover 2, sleeve 33 and small end lid 34 in the forward flange 36; Nut 27 is settled on mainshaft rear bearing 15 right sides, interior ring is installed on main shaft 32 peripheries, outer shroud supports by rear axle bearing sleeve 28, there is the hole of 6 diameter 10mm, dark 9mm rear axle bearing sleeve 28 left sides that are installed in rear bearing 15 peripheries with one heart, piezoelectric elements 14 is installed in the hole, form pre-locking oil cylinder 29 between rear axle bearing sleeve 28 and the rear flange 13, realize pretension by nut 27.
Fore bearing unloading cylinder structure: be installed in the big flange 26 on rear flange 13 right sides and constitute fore bearing unloading cylinder 18 with the co-axially fixed little flange 22 of adapter sleeve 30 ends, ring is installed cylinder sleeve 17 in big flange 26, cylinder sleeve 17 greatly between flange 26 and the little flange 22 as oil cylinder piston; The propelling of cylinder sleeve 17 left ends is installed in main shaft 32 top nuts 25.
Unload the cutter oil cylinder and unload cutter dynamic balance structure: little flange 22, rear end cap 21 and cylinder sleeve 23 formations of forging a knife are unloaded cutter oil cylinder 19, and as oil cylinder piston, cylinder sleeve 23 front ends of forging a knife stretch in the spindle hole cylinder sleeve 23 arranged concentric of forging a knife between little flange 22 and rear end cap 21.Settle switch feeler lever 38 in fixed tooth disk 8 and the forward flange 36, communicate with the limit switch 35 that is positioned at main spindle box 31 walls.
Three fluted disc mechanisms: the broaching tool that is installed in main shaft 32 front ends overlaps the active toothed disk 7 that 2 peripheries are equipped with three fluted disc mechanisms, and fixed tooth disk 8 is fixed in the forward flange 36, and the fluted disc 4 that floats is placed in the drive end bearing bracket 39, adjusts the height of fixed tooth disk 8 by adjusting pad 1; Three fluted discs unclamp oil cylinder 6 between unsteady fluted disc 4 and sleeve 3, locking cylinder 5 is settled labyrinth bush 41 between drive end bearing bracket 39 and the broaching tool cover 2 between drive end bearing bracket 39 and unsteady fluted disc 4, also have cooling jet 40 on the drive end bearing bracket 39.
Hydraulic part: as shown in Figure 2,, disposed the hydraulic circuit of 2 necessity for guaranteeing each action smooth implementation of electric main shaft device.The P mouth is the hydraulic oil inlet, and the T mouth is an oil return opening.P mouth and T mouth respectively with Hydraulic Station on the P mouth be connected with the T mouth.Oil cylinder 42 is unclamped in the locking of three fluted discs, for reliably carrying out the locking of three fluted disc mechanisms and unclamping, disposed solenoid directional control valve 46 in the hydraulic circuit, lock, the switching of release function, arrive suitable size by pressure-reducing valve 45 guiding mechanism force value, one-way throttle valve 44 is responsible for adjusting the execution speed of unsteady fluted disc, but pressure state by digital pressure relay 43 effective monitoring systems, guarantee three fluted disc mechanism reliable operations, magnetic valve 46, pressure-reducing valve 45, one-way throttle valve 44 and pressure switch 43 are installed together in groups, and its hydraulic pressure outlet is locked the gateway of unclamping oil cylinder 42 with three fluted discs respectively and communicated.Unloading the locking of the hydraulic principle of cutter oil cylinder 47 and three fluted discs, to unclamp oil cylinder 42 similar, also is to cooperatively interact by solenoid directional control valve 51, pressure-reducing valve 50, one-way throttle valve 49, digital pressure relay 48, guarantees to adorn cutter, unloads finishing smoothly of cutter action.
Pneumatic part: as shown in Figure 3, this device is furnished with alignment of shafts air blowing 56 and main tapping hermetic seal 58.This device is high-accuracy device; to the requirement of air than higher; therefore be equipped with pneumatic processing unit 52; filter out airborne impurity; pneumatic processing unit is made up of filter, protection switch, magnetic valve, muffler; each executive component is connected with electrical system respectively, controls its duty automatically.Filter 53 further filters out airborne moisture content, obtains the source of the gas of cleaning, drying.Pressure-reducing valve 54 is adjusted bleed pressure according to the electric main shaft device working condition.Therefore because the alignment of shafts is only blown when tool changing, design has a magnetic valve 55, and the switch of control source of the gas, and main tapping hermetic seal air feed always under the lathe electric power thus supplied are so have only a pressure-reducing valve 57.
Cooling segment: as shown in Figure 1, the short awl handle of a knife on the cutter and after power spindle is connected, used cooling fluid during cutting can arrive short awl handle of a knife by the tool-broaching mechanism centre bore, enters knife bar and directly sprays the cutting position, realizes that the inside of cutter is cooled off; And the external refrigeration of cutter is through the passage in electric main shaft device main spindle box 31, forward flange 36, the drive end bearing bracket 39, finally by nozzle 40 ejections.The cooling of motor is through the main spindle box 31 of electric main shaft device, and by the water inlet inflow of water jacket 12, circulation is flowed out water jacket 12 by delivery port after one week, finishes the cooling to motor 11.
Electrical appliance part: for realizing of the automatic control of machine tooling center to this device, in hydraulic pressure, pneumatic, cooling system, all need dispose electrical equipment by the equipment automatization operating technology: from Fig. 2 and Fig. 3 as seen, used executive components such as magnetic valve reversal valve, digital pressure relay in hydraulic pressure and the pneumatic line, and realized that by PLC interface and control system circuit is connected.
Claims (5)
1. high speed turn-milling Compound Machining power electric main shaft device, being equipped in the high speed 5-axle car mills on the composite processing machine tool, can realize Compound Machining such as high rigidity turning processing and high rotating speed milling, and have supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe, it is characterized in that main spindle box (31) inner concentric is equipped with water jacket (12) from outside to inside, built-in motor (11) and main shaft (32), main shaft 32 endoporus are equipped with tool-broaching mechanism (10), tool-broaching mechanism (10) front end is installed broaching tool cover (2), and tool-broaching mechanism (10) rear end connects adapter sleeve (30) and cutter disassembling machine structure; Fore bearing (37), the rear bearing (15) that main shaft (32) two ends outer wall is installed constitutes bearing respectively and becomes pre-pressing structure; Three fluted disc mechanisms are installed in the periphery of broaching tool cover (2), are formed by the cylinder sleeve of forging a knife (23) and unload cutter oil cylinder (19), and the locking nut (27) of main shaft (32) rear end is gone up circle grating (16) is installed; The unloading cylinder (18) of main shaft (32) rear end and the cylinder sleeve of forging a knife (23) are installed on the main spindle box (31) by rear end cap (21), big flange (26), are connected with the hydraulic system of lathe respectively into and out of hydraulic fluid port.
2. high speed turn-milling Compound Machining power electric main shaft device according to claim 1, it is characterized in that bearing becomes pre-pressing structure: fore bearing (37) is installed on the main spindle box (31) by forward flange (36), broaching tool cover (2) is settled in fore bearing (37) left side, sleeve (33) and little end cap (34) are settled in the right side, ring is installed on main shaft (32) periphery in the fore bearing (37), outer shroud is supported by forward flange (36), heat and vibrating sensor (9) are installed, pre-pressing structure before constituting with broaching tool cover (2), sleeve (33) and little end cap (34) in the forward flange (36); Nut (27) is settled on mainshaft rear bearing (15) right side, interior ring is installed on main shaft (32) periphery, outer shroud supports by rear axle bearing sleeve (28), be installed in one heart in rear axle bearing sleeve (28) the left end face of rear bearing (15) periphery piezoelectric elements (14) is installed, form pre-locking oil cylinder (29) between rear axle bearing sleeve (28) and the rear flange (13), realize pretension by nut (27).
3. high speed turn-milling Compound Machining power electric main shaft device according to claim 1, it is characterized in that fore bearing unloading cylinder structure: be installed in the big flange (26) on rear flange (13) right side and constitute fore bearing unloading cylinder (18) with adapter sleeve (30) the co-axially fixed little flange of end (22), sealing shroud device (24) is installed in the rear end of adapter sleeve (30), and rearmost end is equipped with stepless switch (20); Ring is installed cylinder sleeve (17) in big flange (26), cylinder sleeve (17) greatly between flange (26) and the little flange (22) as oil cylinder piston; The propelling of cylinder sleeve (17) left end is installed in main shaft (32) top nut (25).
4. high speed turn-milling Compound Machining power electric main shaft device according to claim 1, it is characterized in that unloading the cutter oil cylinder and unload cutter dynamic balance structure: little flange (22), rear end cap (21) and the cylinder sleeve of forging a knife (23) formation are unloaded cutter oil cylinder (19), as oil cylinder piston, the cylinder sleeve of forging a knife (23) front end stretches in the spindle hole cylinder sleeve (23) arranged concentric of forging a knife between little flange (22) and rear end cap (21); Settle switch feeler lever (38) in fixed tooth disk (8) and the forward flange (36), communicate with the limit switch (35) that is positioned at main spindle box (31) wall.
5. high speed turn-milling Compound Machining power electric main shaft device according to claim 1, it is characterized in that three fluted disc mechanisms: broaching tool cover (2) periphery that is installed in main shaft (32) front end is equipped with the active toothed disk (7) of three fluted disc mechanisms, fixed tooth disk (8) is fixed in the forward flange (36), the fluted disc (4) that floats is placed in the drive end bearing bracket (39), adjusts the height of fixed tooth disk (8) by adjusting pad (1); Unclamp oil cylinder (6) by what sleeve (3), float fluted disc (4) and drive end bearing bracket (39) formed three fluted discs, be positioned between unsteady fluted disc (4) and the sleeve (3), constitute locking cylinder (5) by unsteady fluted disc and drive end bearing bracket (39), be positioned between drive end bearing bracket (39) and the unsteady fluted disc (4), settle labyrinth bush (41) between drive end bearing bracket (39) and the broaching tool cover (2), drive end bearing bracket (39) is gone up also has cooling jet (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205071072U CN201871934U (en) | 2010-08-27 | 2010-08-27 | Dynamic electricity main spindle unit for high speed lathe-mill composite processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205071072U CN201871934U (en) | 2010-08-27 | 2010-08-27 | Dynamic electricity main spindle unit for high speed lathe-mill composite processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201871934U true CN201871934U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205071072U Expired - Lifetime CN201871934U (en) | 2010-08-27 | 2010-08-27 | Dynamic electricity main spindle unit for high speed lathe-mill composite processing |
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| CN (1) | CN201871934U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398154A (en) * | 2011-08-05 | 2012-04-04 | 沈阳机床（集团）设计研究院有限公司 | Modularized B-axis turning and milling composite functional unit |
| CN103394716A (en) * | 2013-08-20 | 2013-11-20 | 广州市珠江机床厂有限公司 | Built-in hydraulic knife hitting device for directly connecting spindle and motor |
| CN107160169A (en) * | 2017-07-12 | 2017-09-15 | 深圳市钛吉多轴数控机床有限公司 | Rotary table and vertical sleeping disk class milling-lathe machining center |
-
2010
- 2010-08-27 CN CN2010205071072U patent/CN201871934U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398154A (en) * | 2011-08-05 | 2012-04-04 | 沈阳机床（集团）设计研究院有限公司 | Modularized B-axis turning and milling composite functional unit |
| CN103394716A (en) * | 2013-08-20 | 2013-11-20 | 广州市珠江机床厂有限公司 | Built-in hydraulic knife hitting device for directly connecting spindle and motor |
| CN107160169A (en) * | 2017-07-12 | 2017-09-15 | 深圳市钛吉多轴数控机床有限公司 | Rotary table and vertical sleeping disk class milling-lathe machining center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171207 Address after: 110142 the development zone of Shenyang economic and Technological Development Zone, Shenyang, Shenyang, Liaoning Province, No. 17 A No. 1-2 Patentee after: Shenyang machine tool (Group) Co., Ltd. precision NC Machine Tool Branch Company Address before: 110141 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 17, No. 1, development road, Shenyang economic and Technological Development Zone Patentee before: Shenyang Machine Tools Plant No. 1 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |