CN201352735Y - High-speed precise electric main shaft with double main shafts - Google Patents
High-speed precise electric main shaft with double main shafts Download PDFInfo
- Publication number
- CN201352735Y CN201352735Y CNU2009200884492U CN200920088449U CN201352735Y CN 201352735 Y CN201352735 Y CN 201352735Y CN U2009200884492 U CNU2009200884492 U CN U2009200884492U CN 200920088449 U CN200920088449 U CN 200920088449U CN 201352735 Y CN201352735 Y CN 201352735Y
- Authority
- CN
- China
- Prior art keywords
- shaft
- cylinder
- main shaft
- speed
- precise electric
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a high-speed precise electric main shaft with double main shafts. An external shaft (8) is respectively arranged at a shell body (11) and a back seat (14) by a front bearing set and a back bearing set (15); the shell body is internally assembled with a stator (9); the external shaft is assembled with a rotor (10); the bearing set is previously tightened or sealed by a front small cover (5), a cylinder seat (16) and a nut (6); the extension end of the external shaft is assembled with the jack of a linkage pin (4) or a dustproof ring (3); an internal shaft (2) is arranged in the external shaft by a front pilot sleeve and a back pilot sleeve (13); the external shaft is connected with the internal shaft by the linkage pin; a guide twisting mechanism (12) which is screwed with the internal shaft rotates or moves in a guide groove of the external shaft; a cylinder body (19) and a cylinder cover (21) are connected with a cylinder seat by bolts; the cylinder seat is fixed with the back seat; the cylinder body and the cylinder cover are assembled with a high-pressure oil nozzle (20); the high-pressure oil nozzle (20) is internally provided with a piston (18); bearings (22) at the two ends of the piston are fixed on the internal shaft and is fastened and sealed by a front press cover (17) and a dust-proof cover (24); and a working head (1) is connected with a flat key of an end surface by the conical surface of the internal shaft and then is fixed by a tension rod (25) and a rotating joint (26). The high-speed precise electric main shaft has simple structure, stable and reliable contact and low cost.
Description
Technical field
The utility model belongs to electric spindle technology field, specially refers to a kind of high-speed and precise electric main shaft with two main shafts.
Background technology
Present electric main shaft only provides and rotatablely moves, as has the reciprocating motion function when requiring to select commentaries on classics again, must electric main shaft be installed in can reciprocating workbench on, this structure is being had living space or can't used during structural limitations, reason is as follows:
When 1, electric main shaft adopted two point or multi-point support, the static relatively main shaft supporting parts in locus were not have to relatively move at work.
2, the main shaft precision can not be adjusted substantially, so the dimensional accuracy of the various parts of main shaft and form accuracy are strict, and the processing request strictness.Nonetheless, also often need reprocess, improve management and production cost.
3, the workbench itself of realizing electric spindle reciprocating motion is because the requirement of support stiffness, the limited length that the feasible electric main shaft working end that is installed on it overhangs or overhang oversize, rigidity is too low, all can not satisfy such as processing requests such as deep holes, cause and can't use.
4, internal spline can provide rotation and reciprocating motion, because dark endoporus causes difficulty of processing too big, can not guarantee machining accuracy, must cause the vibration and noise in the work; Frequent reciprocating motion meeting simultaneously causes surface abrasion very soon and causes inefficacy, produces very big additional force because of bigger contact friction force again, further reduces the useful life of main shaft.
5, adopt sliding bearing realize in the reciprocating main shaft since after the service wear precision can't adjust, limited the application in the main shaft that it works under this operating mode.
Summary of the invention
For addressing the above problem, the utility model has designed a kind of high-speed and precise electric main shaft with two main shafts, can be widely used in the manufacture field of big flat surface grinding and polishing, dark endoporus.
In order to realize the foregoing invention purpose, the utility model adopts following technical scheme:
Described high-speed and precise electric main shaft with two main shafts, be that outer shaft is mounted respectively at housing and back seat by the front and back bearings group, configuration stator in the housing, dispose rotor on the outer shaft, stator coil is from the outlet of back seat tail end, the front end bearing group is by preceding tegillum and nut pretension or sealing, and the rear end bearing group is by cylinder seat and nut pretension or sealing, and the external part of outer shaft disposes jack or the dust ring that set bar is installed; In axle be installed in the outer shaft by the front and back pilot sleeve, axle in the set bar that is provided with by the outer shaft end connects, the guiding torsion pass mechanism that spins on the interior axle rotates or moves in the axle gathering sill outside; Cylinder body and cylinder cap connect with the cylinder seat by bolt, and the cylinder seat is fixed on the back seat again, and cylinder body and cylinder cap dispose the high pressure oil nozzle, plunger in it, and piston is fixed on the interior axle by the bearing at two ends, fastening and sealing to it by preceding gland and dust cap again; The conical surface and the end face flat key of working head by interior axle fixed by pull bar and swivel joint after connecting again.
Described high-speed and precise electric main shaft with two main shafts, its guiding torsion pass mechanism is made of holding screw, hold-down nut, bearing and pivot pin, pivot pin one end has internal thread and can be screwed on the interior axle, the other end is equipped with tight behind running in bearings by hold-down nut, the tight fully spacing of hold-down nut implemented by holding screw.
Described high-speed and precise electric main shaft with two main shafts, its pilot sleeve is made of screw and alloy guide pin bushing, and the internal diameter of alloy guide pin bushing is distributed with different grooveds with external diameter, can be by the screw adjusted guiding clearance that is installed on it.
Described high-speed and precise electric main shaft with two main shafts, its pilot sleeve adopts fog lubrication, and mist of oil enters in the hollow pull bar by the swivel joint that is installed in the pull bar afterbody, enters pilot sleeve by the oilhole on the interior axle again.
Described high-speed and precise electric main shaft with two main shafts, its bearing group is carried out fog lubrication by the oil nozzle that is installed on the housing, and bearing adopts grease lubrication.
Described high-speed and precise electric main shaft with two main shafts, its oil nozzle is mounted respectively on housing, back seat and pull bar.
Owing to adopted technical scheme as mentioned above, the utility model produces following good effect:
1, the utility model overall structure is simple, and is convenient and practical, and the spatial limitation of working end is little.
2, reciprocating motion structure is convenient, contact is steadily reliable in the work, installation and debugging are convenient, and use cost is low.
3, the guiding friction is very little, and the power loss of motor is little, realizes green manufacturing.
4, torque drive is safe and reliable, and is easy to process, the precision height, and running is steady, and the locus layout is flexible, and adaptability is strong.
5, lubricating system rationally, reliably.
6, shorten the main shaft suspended wall, improve the main shaft rigidity.
7, cancellation reciprocating motion platform, the scope of application is wide.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of guiding torsion pass mechanism.
Fig. 3 is the structural representation of pilot sleeve.
Among the above-mentioned figure: the 1-working head; Axle in the 2-; The 3-dust ring; The 4-set bar; Tegillum before the 5-; Nut before the 6-; The 7-oil nozzle; The 8-outer shaft; The 9-stator; The 10-rotor; The 11-housing; 12-guiding torsion pass mechanism; 12.1-holding screw; 12.2-hold-down nut; 12.3-bearing; 12.4-pivot pin; The 13-pilot sleeve; 13.1-screw; 13.2-alloy guide pin bushing; The 14-back seat; The 15-bearing group; 16-cylinder seat; Gland before the 17-; The 18-piston; The 19-cylinder body; 20-high pressure oil nozzle; The 21-cylinder cap; The 22-bearing; The 23-cylinder nut; The 24-dust cap; The 25-pull bar; The 26-swivel joint.
Embodiment
In conjunction with Fig. 1, high-speed and precise electric main shaft with two main shafts of the present utility model, be that outer shaft (8) is mounted respectively at housing (11) and back seat (14) by front and back bearings group (15), configuration stator (9) in the housing (11), outer shaft (8) is gone up configuration rotor (10), stator (9) coil is from back seat (14) tail end outlet, front end bearing group (15) is by preceding tegillum (5) and nut (6) pretension or sealing, rear end bearing group (15) is by cylinder seat (16) and nut (6) pretension or sealing, and the external part of outer shaft (8) disposes jack or the dust ring (3) that set bar (4) is installed; Interior axle (2) is installed in the outer shaft (8) by front and back pilot sleeve (13), and the set bar (4) that is provided with by outer shaft (8) end connects interior spool (2), and the guiding torsion pass mechanism (12) that spins on the interior axle (2) can rotate in outer shaft (8) gathering sill or move; Cylinder body (19) and cylinder cap (21) connect with cylinder seat (16) by bolt, cylinder seat (16) is fixed on the back seat (14) again, cylinder body (19) and cylinder cap (21) dispose high pressure oil nozzle (20), plunger (18) in it, piston (18) is fixed on the interior axle (2) by the bearing (22) at two ends, fastening and sealing to it by preceding gland (17) and dust cap (24) again; The conical surface of working head (1) by interior axle (2) with fix by pull bar (25) and swivel joint (26) again after the end face flat key is connected.
In conjunction with Fig. 2, high-speed and precise electric main shaft with two main shafts of the present utility model, its guiding torsion pass mechanism (12) is made of holding screw (12.1), hold-down nut (12.2), bearing (12.3) and pivot pin (12.4), pivot pin (12.4) one ends have internal thread and can be screwed on the interior axle (2), the other end is equipped with tight by hold-down nut (12.2) in running in bearings (12.3) back, the tight fully spacing of hold-down nut (12.2) implemented by holding screw (12.1).
In conjunction with Fig. 3, high-speed and precise electric main shaft with two main shafts of the present utility model, its pilot sleeve (13) is made of screw (13.1) and alloy guide pin bushing (13.2), the internal diameter of alloy guide pin bushing (13.2) is distributed with different grooveds with external diameter, can regulate the guiding clearance by the screw (13.1) that is installed on it.
High-speed and precise electric main shaft with two main shafts of the present utility model, its pilot sleeve (13) adopts fog lubrication, mist of oil enters in the hollow pull bar (25) by the swivel joint (26) that is installed in pull bar (25) afterbody, enters pilot sleeve (13) by the oilhole on the interior axle (2) again.
High-speed and precise electric main shaft with two main shafts of the present utility model, its bearing group (15) is carried out fog lubrication by the oil nozzle (7) that is installed on the housing (11), and bearing (22) adopts grease lubrication.
High-speed and precise electric main shaft with two main shafts of the present utility model, its oil nozzle (7) are mounted respectively on housing (11), back seat (14) and pull bar (15).
Now provide an embodiment:
In axle (2) and outer shaft (8) when rotating synchronously, rated speed 1800r/min, maximum speed 3600r/min, power can reach 115kW, output torque 630Nm, working head (1) cutter interface employing CAT60.
In axle (2) when outer shaft (8) guiding is done straight reciprocating motion down, reciprocating beat is each second 3 times, stroke 65mm, the circular runout ≯ 0.008mm of interior (2) working end.
Interior axle (2) and outer shaft (8) general assembly program are roughly as follows:
Process qualified parts, prepare standard components such as bearing, screw, bolt, sealing ring, finish the hot charging of rotor (10) and outer shaft (8);
With housing (11) is fixing body, and the stator (9) of packing into earlier is to rational position;
Fore bearing group (15) is installed, and bearing group (15) adopts interference fits with housing (11);
Be installed in pilot sleeve (13) in outer shaft (8) hole also fixing;
Outer shaft (8) is installed, is adopted aiding support to do an interim fulcrum then, with the weight of balance outer shaft (8) at the afterbody of outer shaft (8);
Tegillum (5) and preceding nut (6) before installing;
Pack into interior (2);
The relative position of axle (2) and outer shaft (8) in adjusting guarantees to install guiding torsion pass mechanism (12) and interior axle (2) positive connection;
Back seat (14) is installed to housing (11), is connected back seat (14) and stator (9);
Bearing group (15) is installed and, removes the various aiding supports that add with fixed;
By adjusting screw (13.1) and measuring, guarantee to obtain suitable gap;
With piston (18) cylinder body (19) of packing into, cylinder cap (21), high pressure oil nozzle (20) are installed then, bearing (22) or preceding gland (17) are installed again, be fixed at last on the oil cylinder seat (16);
Locking cylinder nut (23) is installed dust cap (24);
Installment work head (1) is installed pull bar (25) and working head (1) positive connection;
The oil nozzle (7) of swivel joint (26) being installed and being needed, and connect suitable pipeline respectively;
Peace is changeed dust ring (3);
Trial assembly guiding set bar (4) and sign interlock position.
During work, the housing (11) of electric main shaft is fixed on the workbench as installed surface.
When set bar (4) from interior axle (2) when withdrawing from: two spot bearing groups (15) supporting before and after outer shaft (8) adopts, stator (9) is installed in the housing (11).Rotor (10) and outer shaft (8) hot jacket together, outer shaft (8) provides electric main shaft operation power and as the supporting of interior axle (2), simultaneously as interior axle (2) reciprocating axis of guide.The taper hole installment work head (1) of interior axle (2) front end, interior axle (2) contacts as supporting and outer shaft (8) precision by front and back pilot sleeve (13), form minim gap, interior axle (2) is realized being rigidly connected by guiding torsion pass mechanism (12) with outer shaft (8), power is provided for the working head (1) that is installed in front end, the rear end of interior axle (2) connects with the piston (18) of reciprocating oil cylinder, realizes straight reciprocating motion under the driving of piston (18).At outer shaft (8) dust ring (3) go up to be installed, to be used for striking off, protect inner body because the impurity such as dust, processing granular, cold oil and water that fall are glued in (2) reciprocating motion of interior axle.The guiding torsion pass mechanism (12) of installing in outer shaft (8) gathering sill finishes the transmission and the reciprocating accurate guiding of moment of torsion, guiding torsion pass mechanism (12) is installed on the interior axle (2) by screw thread, use big load bearing (12.3) transfer torque, the outer ring of bearing (12.3) contacts with the guiding cell wall of outer shaft (8).Bearing group (15) adopts the biserial thrust bearing.Pilot sleeve (13) adopts the copper alloy with self-lubricating property, and the different grooved that distributes on its internal diameter and the external diameter can be regulated the guiding clearance by the screw (13.1) that is installed on it.Pilot sleeve (13) adopts fog lubrication, and mist of oil enters in the hollow pull bar (25) by the swivel joint (26) that is installed in pull bar (25) afterbody, enters the lubricant housings by the oilhole on pull bar (25) and the interior axle (2).Oil cylinder connects with housing (11) by oil cylinder seat (16), cylinder body (19), and piston (18) uses two bearings (22) to connect with interior axle (2), realizes the sound separation simultaneously.Use cylinder nut (22) fixed piston (18), oil cylinder is installed dust cap (24).
Bearing group (15) is carried out fog lubrication by the oil nozzle (7) that is installed on the housing (11), and oil nozzle (7) is installed in respectively on housing (11), back seat (14) and the pull bar (25).Bearing (22) adopts grease lubrication.Stator (9) is in the tail end outlet of back seat (14).Working head (1) is connected with the end face flat key by the conical surface of interior axle (2), uses pull bar (25) fixing.
In set bar (4) screws in when spool (2), with above-mentioned different be: interior axle (2) and outer shaft (8) have become one, interior axle (2) and outer shaft (8) can only rotate simultaneously, interior axle (2) outer shaft (8) relatively moves reciprocatingly, at this moment working head (1) also can only rotary work, forbids to start oil cylinder piston (18) motion this moment.
So far, obtain a high-speed and precise electric main shaft, can use after external electricity, water, the fog lubrication with two main shafts.
Claims (6)
1, a kind of high-speed and precise electric main shaft with two main shafts, it is characterized in that: outer shaft (8) is mounted respectively at housing (11) and back seat (14) by front and back bearings group (15), configuration stator (9) in the housing (11), outer shaft (8) is gone up configuration rotor (10), stator (9) coil is from back seat (14) tail end outlet, front end bearing group (15) is by preceding tegillum (5) and nut (6) pretension or sealing, rear end bearing group (15) is by cylinder seat (16) and nut (6) pretension or sealing, and the external part of outer shaft (8) disposes jack or the dust ring (3) that set bar (4) is installed; Interior axle (2) is installed in the outer shaft (8) by front and back pilot sleeve (13), and the set bar (4) that is provided with by outer shaft (8) end connects interior spool (2), and the guiding torsion pass mechanism (12) that spins on the interior axle (2) can rotate in outer shaft (8) gathering sill or move; Cylinder body (19) and cylinder cap (21) connect with cylinder seat (16) by bolt, cylinder seat (16) is fixed on the back seat (14) again, cylinder body (19) and cylinder cap (21) dispose high pressure oil nozzle (20), plunger (18) in it, piston (18) is fixed on the interior axle (2) by the bearing (22) at two ends, fastening and sealing to it by preceding gland (17) and dust cap (24) again; The conical surface of working head (1) by interior axle (2) with fix by pull bar (25) and swivel joint (26) again after the end face flat key is connected.
2, according to the described high-speed and precise electric main shaft of claim 1 with two main shafts, it is characterized in that: its guiding torsion pass mechanism (12) is made of holding screw (12.1), hold-down nut (12.2), bearing (12.3) and pivot pin (12.4), pivot pin (12.4) one ends have internal thread and can be screwed on the interior axle (2), the other end is equipped with tight by hold-down nut (12.2) in running in bearings (12.3) back, the tight fully spacing of hold-down nut (12.2) implemented by holding screw (12.1).
3, the high-speed and precise electric main shaft with two main shafts according to claim 1, it is characterized in that: its pilot sleeve (13) is made of screw (13.1) and alloy guide pin bushing (13.2), the internal diameter of alloy guide pin bushing (13.2) is distributed with different grooveds with external diameter, can regulate the guiding clearance by the screw (13.1) that is installed on it.
4, the high-speed and precise electric main shaft with two main shafts according to claim 1, tool is characterised in that: its pilot sleeve (13) adopts fog lubrication, mist of oil enters in the hollow pull bar (25) by the swivel joint (26) that is installed in pull bar (25) afterbody, enters pilot sleeve (13) by the oilhole on the interior axle (2) again.
5, the high-speed and precise electric main shaft with two main shafts according to claim 1 is characterized in that: its bearing group (15) is carried out fog lubrication by the oil nozzle (7) that is installed on the housing (11), and bearing (22) adopts grease lubrication.
6, the high-speed and precise electric main shaft with two main shafts according to claim 1 is characterized in that: its oil nozzle (7) is mounted respectively on housing (11), back seat (14) and pull bar (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200884492U CN201352735Y (en) | 2009-02-06 | 2009-02-06 | High-speed precise electric main shaft with double main shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200884492U CN201352735Y (en) | 2009-02-06 | 2009-02-06 | High-speed precise electric main shaft with double main shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352735Y true CN201352735Y (en) | 2009-11-25 |
Family
ID=41376120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200884492U Expired - Fee Related CN201352735Y (en) | 2009-02-06 | 2009-02-06 | High-speed precise electric main shaft with double main shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352735Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122858A (en) * | 2011-01-13 | 2011-07-13 | 德州恒力电机有限责任公司 | Device and method for fine tuning of motor vibration |
-
2009
- 2009-02-06 CN CNU2009200884492U patent/CN201352735Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122858A (en) * | 2011-01-13 | 2011-07-13 | 德州恒力电机有限责任公司 | Device and method for fine tuning of motor vibration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202278490U (en) | Electric main shaft with built-in dynamic balancing system | |
| CN102931760A (en) | Compact electric servo mechanism for linear displacement | |
| CN203109249U (en) | Electric spindle of lathe | |
| CN201352735Y (en) | High-speed precise electric main shaft with double main shafts | |
| CN103542055A (en) | Swivel nut combination unit | |
| CN110918326B (en) | Fluorescent powder spraying equipment for lamp tube production and processing | |
| CN204413721U (en) | A kind of built-in machine tool main spindle driving device | |
| CN109357870B (en) | Radial air bearing performance test machine | |
| CN106975964A (en) | A kind of mechanical pushing linear motion device of use screw-nut transmission | |
| CN101478194B (en) | Dual shaft structured high speed precise electric main shaft capable of performing rotation, linear reciprocating movement | |
| CN209239074U (en) | The high rotating accuracy static pressure electric main shaft of high rigidity | |
| CN203061900U (en) | Electric main shaft of lathe | |
| CN209811371U (en) | Double-lead-screw driving engraving machine | |
| CN203061898U (en) | Nesting electric spindle passing water through middle hole | |
| CN210565795U (en) | Bearing capable of preventing ring from running | |
| CN209516820U (en) | A kind of electric pushrod | |
| CN208185207U (en) | High-strength accurate spherical hinge applied to die-cutting machine | |
| CN209992172U (en) | Multifunctional bearing testing machine | |
| CN208565288U (en) | A kind of high-speed rotary bearing (ball) cover | |
| CN203390216U (en) | Aluminum ingot lathe tail frame | |
| CN112128244A (en) | Modularized active magnetic suspension bearing device | |
| CN104551812A (en) | Built-in machine tool spindle drive device | |
| CN212300375U (en) | Gear drive encoder wheel set | |
| CN217072000U (en) | Grinding machine screw rod driving structure | |
| CN218110433U (en) | Servo jacking tailstock of cylindrical grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20180206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |