CN209223200U - One kind can trailing type stability mainshaft mechanism - Google Patents

One kind can trailing type stability mainshaft mechanism Download PDF

Info

Publication number
CN209223200U
CN209223200U CN201821899225.5U CN201821899225U CN209223200U CN 209223200 U CN209223200 U CN 209223200U CN 201821899225 U CN201821899225 U CN 201821899225U CN 209223200 U CN209223200 U CN 209223200U
Authority
CN
China
Prior art keywords
main shaft
roller bearing
axle sleeve
tapered roller
pressed
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.)
Withdrawn - After Issue
Application number
CN201821899225.5U
Other languages
Chinese (zh)
Inventor
陈国东
张柏良
赵志刚
王一斌
章旭霞
石鑫伟
周裕庚
吴锦华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wanfeng Technology Development Co Ltd
Original Assignee
Zhejiang Wanfeng Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Wanfeng Technology Development Co Ltd filed Critical Zhejiang Wanfeng Technology Development Co Ltd
Priority to CN201821899225.5U priority Critical patent/CN209223200U/en
Application granted granted Critical
Publication of CN209223200U publication Critical patent/CN209223200U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Rolling Contact Bearings (AREA)

Abstract

One kind can trailing type stability mainshaft mechanism, top nut, which is spirally connected, is fixed on the upper end of main shaft, the outer ring of tapered roller bearing is clamped between axle sleeve upper cover and sleeve lining first step, and the inner ring of tapered roller bearing is clamped between top nut and the upper surface of upper cushion block disk;The upper surface of lifting force tapered roller bearing is pressed in the lower end surface of cushion block disk, and the lower end surface of lifting force tapered roller bearing is pressed on sleeve lining second step, and the inner face of lifting force tapered roller bearing is pressed on main shaft;Main shaft exposes axle sleeve low portion and is provided with the conical surface, and the center bore inner wall of revolving part has the inner wall matched with the conical surface, and in tapered main shaft portion, lower nut is screwed onto the lower end of main shaft and is pressing against the lower end surface of revolving part the centre bore sleeve of revolving part.Its lifting force tapered roller bearing and lower thrust tapered roller bearing ensure stability when main shaft rotation, and gas is in axle sleeve internal congestion when can prevent main shaft from overheating and preventing during the work time main shaft high speed rotation.

Description

One kind can trailing type stability mainshaft mechanism
Technical field:
The utility model relates to spindle box technical fields, good more specifically to a kind of stability, and energy water cooling is simultaneously automatic The headstock structure of exhaust.
Background technique:
Tapered roller bearing is added between main shaft and axle sleeve on existing spindle box, due to the inner ring of tapered roller bearing There was only retainer support between outer ring, stability is poor when rotated for main shaft.It is generally secured on main shaft for workpieces processing Revolving part, revolving part is fixed on main shaft generally by screw, and it is not convenient enough to install and remove revolving part in this way, revolves simultaneously Turn part at work some there is no configuration water-cooled nozzle, cause revolving part to overheat, influence the machining accuracy of revolving part.
Utility model content:
The purpose of the utility model is to solve the deficiencies of the prior art, and providing one kind can trailing type stability main shaft machine Structure, it has installed lifting force tapered roller bearing and lower thrust tapered roller bearing additional between main shaft and axle sleeve, it is ensured that main shaft rotation Stability when turning, and water-cooling channel is provided on axle sleeve, prevent main shaft from overheating during the work time, and on axle sleeve on lid It is provided with exhaust outlet, gas is in axle sleeve internal congestion when preventing main shaft high speed rotation.
The technology solution of the utility model is as follows:
One kind can trailing type stability mainshaft mechanism, including main shaft 1 and axle sleeve 2, axle sleeve upper cover 3 be fixed by screws in The upper end of axle sleeve 2, motor 4 are fixed in axle sleeve upper cover 3, and shaft and the main shaft 1 of motor 4 are fixed together;
Top nut 5, which is spirally connected, is fixed on the upper end of main shaft 1, and the outer ring of tapered roller bearing 6 is clamped in axle sleeve upper cover 3 and axle sleeve Between inner wall first step 21, the inner ring of tapered roller bearing 6 is clamped between top nut 5 and the upper surface of upper cushion block disk 7;
The upper surface of lifting force tapered roller bearing 8 is pressed in the lower end surface of cushion block disk 7, lifting force tapered roller bearing 8 Lower end surface be pressed on sleeve lining second step 22, the inner face of lifting force tapered roller bearing 8 is pressed on main shaft 1;
The upper surface of lower thrust tapered roller bearing 9 is pressed on sleeve lining third step 23, lower thrust taper roller axis It holds 9 lower end surface to be pressed on the upper surface of lower cushion block disk 10, the inner face of lower thrust tapered roller bearing 9 is pressed on main shaft 1;
In sleeve lining through-hole 24, the upper end of pressure spring 11 is pressed under lifting force tapered roller bearing 8 11 sleeve of pressure spring On end face, the lower end of the upper end of pressure spring 11 is pressed on the upper surface of lower thrust tapered roller bearing 9;
The lower end surface of lower cushion block disk 10 is pressed on the upper surface of the inner ring of double tapered roller bearing 12, double taper roller The upper surface of the outer ring of bearing 12 is pressed on the 4th step 25 of sleeve lining, the lower end of the inner ring of double tapered roller bearing 12 Face pressure is on the upper surface of pallet 13, and on main shaft 1, the lower end surface of pallet 13 is pressed on main shaft step 1a 13 sleeve of pallet;
Axle sleeve lower cover 14 is fixed by screws in the lower end of axle sleeve 2, the lower end of the outer ring of double tapered roller bearing 12 Face pressure is clamped with 0 type sealing ring 15, main shaft 1 and axle sleeve lower end on axle sleeve lower cover 14 between axle sleeve and axle sleeve lower cover 14 Lip seal circle 16 is clamped between lid 14;
Main shaft 1 exposes 2 low portion of axle sleeve and is provided with conical surface 1b, and the center bore inner wall of revolving part 17 has and conical surface 1b phase The inner wall of cooperation, for the centre bore sleeve of revolving part 17 in 1 part of main shaft with conical surface 1b, lower nut 18 is screwed onto main shaft 1 Lower end and the lower end surface for pressing against revolving part 17.
It is fixed with nozzle holder 30 on the axle sleeve 2, is fixed with nozzle 31 on nozzle holder 30, nozzle 31 is against revolving part 17;Fixed disk 32 is formed on axle sleeve 2, several fixation holes 33 are formed in fixed disk 32.
Water-cooling channel 26 is formed on the axle sleeve 2, water-cooling channel 26 connects recirculated cooling water.
The utility model has the beneficial effects that:
1, it has installed lifting force tapered roller bearing and lower thrust tapered roller bearing additional between main shaft and axle sleeve, it is ensured that Stability when main shaft rotates, and water-cooling channel is provided on axle sleeve, prevent main shaft from overheating during the work time, and in axle sleeve It is provided with exhaust outlet on upper lid, gas is in axle sleeve internal congestion when preventing main shaft high speed rotation.
2, revolving part is fixed on main shaft by cone match, the key on axle sleeve not only can revolving part easy to disassemble, but also can play Fixed function during transportation, revolving part have nozzle, and workpiece when processing is enable to play lubricating action.
Detailed description of the invention:
Fig. 1 is the cross-sectional view of the utility model;
Fig. 2 is the utility model planar structure schematic diagram;
Fig. 3 is the stereoscopic schematic diagram of the utility model;
Fig. 4 is the enlarged drawing in Fig. 1 at A.
In figure: 1, main shaft;2, axle sleeve;21, sleeve lining first step;22, sleeve lining second step;23, in axle sleeve Wall third step;24, sleeve lining through-hole;25, the 4th step of sleeve lining;26, water-cooling channel;3, axle sleeve upper cover;4, motor; 5, top nut;6, tapered roller bearing;7, upper cushion block disk;8, lifting force tapered roller bearing;9, lower thrust tapered roller bearing; 10, lower cushion block disk;11, pressure spring;12, double tapered roller bearing;13, pallet;14, axle sleeve lower cover;15,0 type sealing ring; 16, lip seal circle;17, revolving part;18, lower nut;30, nozzle holder;31, nozzle;32, fixed disk;33, fixation hole.
Specific embodiment:
Embodiment: as shown in Fig. 1 to 4, one kind can trailing type stability mainshaft mechanism, including main shaft 1 and axle sleeve 2, axle sleeve Upper cover 3 is fixed by screws in the upper end of axle sleeve 2, and motor 4 is fixed in axle sleeve upper cover 3, and the shaft and main shaft 1 of motor 4 are fixed Together;
Top nut 5, which is spirally connected, is fixed on the upper end of main shaft 1, and the outer ring of tapered roller bearing 6 is clamped in axle sleeve upper cover 3 and axle sleeve Between inner wall first step 21, the inner ring of tapered roller bearing 6 is clamped between top nut 5 and the upper surface of upper cushion block disk 7;
The upper surface of lifting force tapered roller bearing 8 is pressed in the lower end surface of cushion block disk 7, lifting force tapered roller bearing 8 Lower end surface be pressed on sleeve lining second step 22, the inner face of lifting force tapered roller bearing 8 is pressed on main shaft 1;
The upper surface of lower thrust tapered roller bearing 9 is pressed on sleeve lining third step 23, lower thrust taper roller axis It holds 9 lower end surface to be pressed on the upper surface of lower cushion block disk 10, the inner face of lower thrust tapered roller bearing 9 is pressed on main shaft 1;
In sleeve lining through-hole 24, the upper end of pressure spring 11 is pressed under lifting force tapered roller bearing 8 11 sleeve of pressure spring On end face, the lower end of the upper end of pressure spring 11 is pressed on the upper surface of lower thrust tapered roller bearing 9;
The lower end surface of lower cushion block disk 10 is pressed on the upper surface of the inner ring of double tapered roller bearing 12, double taper roller The upper surface of the outer ring of bearing 12 is pressed on the 4th step 25 of sleeve lining, the lower end of the inner ring of double tapered roller bearing 12 Face pressure is on the upper surface of pallet 13, and on main shaft 1, the lower end surface of pallet 13 is pressed on main shaft step 1a 13 sleeve of pallet;
Axle sleeve lower cover 14 is fixed by screws in the lower end of axle sleeve 2, the lower end of the outer ring of double tapered roller bearing 12 Face pressure is clamped with 0 type sealing ring 15, main shaft 1 and axle sleeve lower end on axle sleeve lower cover 14 between axle sleeve and axle sleeve lower cover 14 Lip seal circle 16 is clamped between lid 14;
Main shaft 1 exposes 2 low portion of axle sleeve and is provided with conical surface 1b, and the center bore inner wall of revolving part 17 has and conical surface 1b phase The inner wall of cooperation, for the centre bore sleeve of revolving part 17 in 1 part of main shaft with conical surface 1b, lower nut 18 is screwed onto main shaft 1 Lower end and the lower end surface for pressing against revolving part 17.
It is fixed with nozzle holder 30 on the axle sleeve 2, is fixed with nozzle 31 on nozzle holder 30, nozzle 31 is against revolving part 17;Fixed disk 32 is formed on axle sleeve 2, several fixation holes 33 are formed in fixed disk 32.
Water-cooling channel 26 is formed on the axle sleeve 2, water-cooling channel 26 connects recirculated cooling water.
Working principle: it has installed lifting force tapered roller bearing 8 and the rolling of lower thrust circular cone additional between main shaft 1 and axle sleeve 2 Sub- bearing 9, it is ensured that stability when main shaft 1 rotates, and water-cooling channel 26 is provided on axle sleeve 2, prevent main shaft 1 from working It overheats in the process, and is provided with exhaust outlet 3a in axle sleeve upper cover 3, gas is in 2 internal resistance of axle sleeve when preventing 1 high speed rotation of main shaft Plug.
Revolving part 17 by the conical surface 1b cooperation is fixed on main shaft 1, the key on axle sleeve 2 not only can revolving part 17 easy to disassemble, but also Fixed function during transportation can be played, revolving part 17 has nozzle 31, and workpiece when processing is enable to play lubricating action.

Claims (3)

1. one kind can trailing type stability mainshaft mechanism, including main shaft (1) and axle sleeve (2), it is characterised in that: axle sleeve upper cover (3) It is fixed by screws in the upper end of axle sleeve (2), motor (4) is fixed on axle sleeve upper cover (3), the shaft of motor (4) and main shaft (1) It is fixed together;
Top nut (5), which is spirally connected, is fixed on the upper end of main shaft (1), the outer ring of tapered roller bearing (6) be clamped in axle sleeve upper cover (3) with Between sleeve lining first step (21), the inner ring of tapered roller bearing (6) is clamped in top nut (5) and upper cushion block disk (7) Between upper surface;
The upper surface of lifting force tapered roller bearing (8) is pressed in the lower end surface of cushion block disk (7), lifting force tapered roller bearing (8) lower end surface is pressed on sleeve lining second step (22), and the inner face of lifting force tapered roller bearing (8) is pressed in main shaft (1) on;
The upper surface of lower thrust tapered roller bearing (9) is pressed on sleeve lining third step (23), lower thrust taper roller axis The lower end surface for holding (9) is pressed on the upper surface of lower cushion block disk (10), and the inner face of lower thrust tapered roller bearing (9) is pressed in main shaft (1) on;
For pressure spring (11) sleeve in sleeve lining through-hole (24), the upper end of pressure spring (11) is pressed in lifting force tapered roller bearing (8) Lower end surface on, the lower end of the upper end of pressure spring (11) is pressed on the upper surface of lower thrust tapered roller bearing (9);
The lower end surface of lower cushion block disk (10) is pressed on the upper surface of the inner ring of double tapered roller bearing (12), double taper roller The upper surface of the outer ring of bearing (12) is pressed on the 4th step (25) of sleeve lining, the inner ring of double tapered roller bearing (12) Lower end surface is pressed on the upper surface of pallet (13), and for pallet (13) sleeve on main shaft (1), the lower end surface of pallet (13) is pressed in main shaft On step (1a);
Axle sleeve lower cover (14) is fixed by screws in the lower end of axle sleeve (2), under the outer ring of double tapered roller bearing (12) End face is pressed on axle sleeve lower cover (14), and 0 type sealing ring (15), main shaft (1) are clamped between axle sleeve and axle sleeve lower cover (14) Lip seal circle (16) are clamped between axle sleeve lower cover (14);
Main shaft (1) exposes axle sleeve (2) low portion and is provided with the conical surface (1b), and the center bore inner wall of revolving part (17) has and the conical surface The inner wall that (1b) is matched, the centre bore sleeve of revolving part (17) is in main shaft (1) part with the conical surface (1b), lower nut (18) It is screwed onto the lower end of main shaft (1) and is pressing against the lower end surface of revolving part (17).
2. one kind according to claim 1 can trailing type stability mainshaft mechanism, it is characterised in that: fixed on axle sleeve (2) Have nozzle holder (30), be fixed on nozzle holder (30) nozzle (31), nozzle (31) is opposite revolving part (17);On axle sleeve (2) It forms fixed disk (32), several fixation holes (33) is formed in fixed disk (32).
3. one kind according to claim 1 can trailing type stability mainshaft mechanism, it is characterised in that: axle sleeve forms on (2) Have water-cooling channel (26), water-cooling channel (26) connects recirculated cooling water.
CN201821899225.5U 2018-11-19 2018-11-19 One kind can trailing type stability mainshaft mechanism Withdrawn - After Issue CN209223200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821899225.5U CN209223200U (en) 2018-11-19 2018-11-19 One kind can trailing type stability mainshaft mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821899225.5U CN209223200U (en) 2018-11-19 2018-11-19 One kind can trailing type stability mainshaft mechanism

Publications (1)

Publication Number Publication Date
CN209223200U true CN209223200U (en) 2019-08-09

Family

ID=67503435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821899225.5U Withdrawn - After Issue CN209223200U (en) 2018-11-19 2018-11-19 One kind can trailing type stability mainshaft mechanism

Country Status (1)

Country Link
CN (1) CN209223200U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109332732A (en) * 2018-11-19 2019-02-15 浙江万丰科技开发股份有限公司 One kind can trailing type stability mainshaft mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109332732A (en) * 2018-11-19 2019-02-15 浙江万丰科技开发股份有限公司 One kind can trailing type stability mainshaft mechanism
CN109332732B (en) * 2018-11-19 2024-01-12 浙江万丰科技开发股份有限公司 But follow-up stability spindle unit

Similar Documents

Publication Publication Date Title
CN109332732A (en) One kind can trailing type stability mainshaft mechanism
CN110814879B (en) Sealing structure of deep hole internal grinding tool
CN101569978A (en) Mirror surface rolling tool with internal cooling lubricating function
CN209223200U (en) One kind can trailing type stability mainshaft mechanism
CN206066023U (en) A kind of Self-centering device of clamping thin-wall workpiece
CN106270575A (en) A kind of high-precision numerical control walks heart machine tool chief axis
CN2294801Y (en) High-precision high-speed drilling-cutting pneumatic master shaft
CN202278197U (en) Electric spindle of boring mill
CN204053749U (en) Synchro converter ring conical surface facing-up frock
CN203875356U (en) Special lathe for cylindrical turning of outer cylinder of impacter
CN203804251U (en) Rotating device of driven tool holder
CN202804925U (en) Guide wheel spindle device of centerless grinding machine
CN201711544U (en) Front end positioning structure of spindle of numerical control lathe headstock
CN201548187U (en) Offline-useable chuck precision detection device with autorotation mechanism
CN209288293U (en) A kind of tail stock for machine tool of top rotational structure
CN210475555U (en) Rotating center with oil gas cooling device
CN207309420U (en) Lathe center frame fixture
CN2928320Y (en) High speed heavy load rotary center
CN209665111U (en) A kind of grinding fixture of the long Model For The Bush-axle Type Parts of non-full circle
CN201320700Y (en) Extension rod for controlling depth of processing hole
CN206732155U (en) A kind of carbide-tipped center of replaceable centre head
CN205009044U (en) A central positioning mechanism for keeping in repair field processing diesel engine upper cylinder half mouth terminal surface
CN204672980U (en) A kind of numerically controlled lathe dead center tailstock
CN220838922U (en) Machine tool spindle rotation mechanism
CN220426941U (en) Spiral end mill

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20190809

Effective date of abandoning: 20240112

AV01 Patent right actively abandoned

Granted publication date: 20190809

Effective date of abandoning: 20240112