CN204748307U - Centerless grinder's spindle unit - Google Patents
Centerless grinder's spindle unit Download PDFInfo
- Publication number
- CN204748307U CN204748307U CN201520311741.1U CN201520311741U CN204748307U CN 204748307 U CN204748307 U CN 204748307U CN 201520311741 U CN201520311741 U CN 201520311741U CN 204748307 U CN204748307 U CN 204748307U
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- China
- Prior art keywords
- main shaft
- emery wheel
- main
- nut
- bearing
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- Expired - Fee Related
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Abstract
The utility model discloses a centerless grinder's spindle unit, include: the rotatory main shaft and the transfer line subassembly of emery wheel, its accessory driving medium, bearing frame and end cover, transport grinding fluid, the main shaft is installed in the sub -assembly of main wheel -guard and spindle drum, and the spindle nose is located main wheel -guard and installs front end round nut, emery wheel fixing base, fore bearing nut, front bearing cover greatly, the main shaft middle part lies in spindle drum installation main shaft bush, a pair of bearing, rear end shield and rear bearing nut, the outer pre -compaction of dress circle and interior pre -compaction circle between the diaxon holds, the main shaft afterbody stretches out installation main shaft belt pulley and rear end round nut outside the spindle drum, the emery wheel is installed to big emery wheel gland of installation and balancing piece between the outer and big emery wheel fixing base of front end round nut of spindle nose between big emery wheel fixing base and the big emery wheel gland. The grinding fluid conveying mechanism position at main wheel -guard top is reasonable, and is stable by transmission system transmission efficiency height, transmission that main shaft belt pulley, main shaft and its attached driving medium are constituteed.
Description
Technical field:
The utility model relates to equipment for grinding technical field, relates to a kind of main shaft device of centerless grinder in particular.
Background technology:
Centerless grinder does not a kind ofly need to adopt the axle center of workpiece and implement the grinding machine of grinding, primarily of abrasive grinding wheel mechanism, guiding mechanism and work support mechanism three mechanisms are formed, the wherein actual work of serving as grinding of abrasive grinding wheel mechanism, guiding mechanism controls the feeding of emery wheel, and work support mechanism supports workpiece when grinding.Abrasive grinding wheel mechanism all more complicated of the centerless grinder of current technology, trouble is installed, especially as the spindle drum assembly ubiquity design of main process tool unreasonable cause adding be not easy man-hour to meet tool feeding amount or transmission insufficient, cause processed insufficient, the infringement product quality of workpiece.
Utility model content:
The purpose of this utility model is exactly design a kind of main shaft device of constitutionally stable centerless grinder for existing problem, and its structure is simple, stable transmission, assembling parts are convenient, is convenient to handling, stably can ensures that cutter has desirable grinding and feeding amount.
Technology solution of the present utility model is as follows:
A main shaft device for centerless grinder, comprising: main shaft, spindle drum, main wheel-guard, main emery wheel apron plate, fore bearing nut, front bearing retainer, rear bearing nut, rear bearing cover, rear end round nut, nose circle nut, outer pre-trim ring, interior pre-trim ring, spindle pulley, balance weight, mainshaft bushing, bearing, large emery wheel holder, large emery wheel gland, perspective board, handle, the first adhesive sheet, the second adhesive sheet, filter, woven hose, water pipe holder, water fender, the first black rubber, the second black rubber, main shaft orientation pin, emery wheel.Main shaft is arranged in the sub-assembly of main wheel-guard and spindle drum, and spindle nose is positioned at main wheel-guard and installs nose circle nut, large emery wheel holder, fore bearing nut, front bearing retainer; Be positioned at spindle drum in the middle part of main shaft and mainshaft bushing, pair of bearings, rear bearing cover and rear bearing nut are installed, the outer pre-trim ring of dress and interior pre-trim ring between two bearings; Main shaft tail stretches out outside spindle drum installs spindle pulley and rear end round nut; Between the outer and large emery wheel holder of nose circle nut of spindle nose, large emery wheel gland and balance weight are installed, between large emery wheel holder and large emery wheel gland, emery wheel is installed, main emery wheel apron plate is installed in main wheel-guard side, and main emery wheel apron plate installs handle and photoscope.
Preferred as technique scheme, grinding fluid assembly is equipped with at main wheel-guard top, and this assembly is made up of woven hose, water pipe holder and water fender, and this assembly is fixed by the screw on water pipe holder and water fender.
Preferred as technique scheme, four minor thread holes are opened at spindle drum two ends, and one end is connected with front bearing retainer, and the other end has three major thread holes and is connected with spindle pulley protective cover.
Preferred as technique scheme, bearing adopts angular contact ball bearing 7216C.
On seat, technique scheme is preferred, and large emery wheel holder front inner surface installs nose circle nut, and inward hole slope contacts fixing with main shaft, and rear end inner surface installs rear end bearing lid and rear end round nut.
Preferred as technique scheme, fore bearing nut has four screwed holes and large emery wheel holder is fixed by screw, and its other end is opened two indent notches and is connected with front bearing retainer is mutually embedding.
The beneficial effects of the utility model are: emery wheel is held out against to stablize by large emery wheel gland and large emery wheel holder and is arranged in main wheel-guard, grinding fluid conveying mechanism position, top is reasonable, and the transmission system transmission efficiency be made up of spindle pulley, main shaft and its accessory drive part is high, stable transmission.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is detonation configuration schematic diagram of the present utility model;
Fig. 3 is main apparent direction sectional view of the present utility model;
Fig. 4 is infusion tube set structural representation of the present utility model;
Fig. 5 is spindle seat structure schematic diagram of the present utility model;
Fig. 6 is large emery wheel fixed seat structure schematic diagram of the present utility model;
Fig. 7 is fore bearing nut structure schematic diagram of the present utility model.
In figure, 1, main shaft; 2, spindle drum; 3, main wheel-guard; 4, main emery wheel apron plate; 5, fore bearing nut; 6, front bearing retainer; 7, rear bearing nut; 8, rear bearing cover; 9, rear end round nut; 10, nose circle nut; 11, outer pre-trim ring; 12, interior pre-trim ring; 13, spindle pulley; 14, balance weight; 15, mainshaft bushing; 16, bearing; 17, large emery wheel holder; 18, large emery wheel gland; 19, perspective board; 20, handle; 21, the first adhesive sheet; 22, the second adhesive sheet; 23, filter; 24, woven hose; 25, water pipe holder; 26, water fender; 27, the first black offset plate; 28, the second black offset plate; 29, main shaft orientation pin; 30, emery wheel.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1 to Fig. 7, a kind of spindle assemblies of centerless grinder, comprise: main shaft 1, spindle drum 2, main wheel-guard 3, main emery wheel apron plate 4, fore bearing nut 5, front bearing retainer 6, rear bearing nut 7, rear bearing cover 8, rear end round nut 9, nose circle nut 10, outer pre-trim ring 11, interior pre-trim ring 12, spindle pulley 13, balance weight 14, mainshaft bushing 15, bearing 16, large emery wheel holder 17, large emery wheel gland 18, perspective board 19, handle 20, first adhesive sheet 21, second adhesive sheet 22, filter 23, woven hose 24, water pipe holder 25, water fender 26, first black offset plate 27, second black offset plate 28, main shaft orientation pin 29, emery wheel 30.Main shaft 1 is arranged in the sub-assembly of main wheel-guard 3 and spindle drum 2, and main shaft 1 head is positioned at main wheel-guard 3 and installs nose circle nut 10, large emery wheel holder 17, fore bearing nut 5, front bearing retainer 6, be positioned at spindle drum 2 in the middle part of main shaft 1 and mainshaft bushing 15, pair of bearings 16, rear bearing cover 8 and rear bearing nut 7 are installed, the outer pre-trim ring 11 of dress and interior pre-trim ring 12 between two bearings 16, main shaft 1 afterbody stretches out outside spindle drum 2 installs spindle pulley 13 and rear end round nut 9, between the outer and large emery wheel holder 17 of nose circle nut 10 of main shaft 1 head, large emery wheel gland 18 and balance weight 14 are installed, between large emery wheel holder 17 and large emery wheel gland 18, emery wheel 30 is installed, main emery wheel apron plate 4 is installed in main wheel-guard 3 side, main emery wheel apron plate 4 is installed handle 20 and photoscope 19, main wheel-guard 3 and main emery wheel apron plate 4 bottom symmetrical install a pair first black offset plates 27 and the first adhesive sheets 21, perpendicular on the direction of two first black offset plates 27, one second black offset plate 28 and the second adhesive sheet 22 is installed, these black offset plates are used for emery wheel mechanism to be fixed on frame seat, filter 23 is installed for filtering the waste material being ground and falling down in main wheel-guard 3 on second black offset plate 28 and the second adhesive sheet 22, spindle drum 2 bottom face installs main shaft orientation pin 29 for determining the position of spindle drum assembly.Spindle pulley 13 is connected to the output belt pulley of motor, when the motor is energized, spindle pulley 13 drives main shaft 1 to rotate, and main shaft 1 drives large emery wheel holder 17 to rotate immediately, and final emery wheel 30 rotates and carries out grinding to workpiece to be machined under the drive of large emery wheel holder 17.
See shown in Fig. 1, Fig. 2 and Fig. 4, grinding fluid assembly is equipped with at main wheel-guard 3 top, and this assembly is made up of woven hose 24, water pipe holder 25 and water fender 26, and this assembly is fixed on main wheel-guard 3 by the screw on water pipe holder 25 and water fender 26.Grinding fluid is mainly used for reducing grinding temperature, improves suface processing quality, improves grinding benefit, and extend emery wheel service life, grinding and the abrasive particle come off can rinse out by grinding fluid, prevents from blocking the workpiece that emery wheel has processed with scuffing.
See shown in Fig. 1, Fig. 2 and Fig. 5, four minor thread holes 201 are opened at spindle drum 2 two ends, and one end is connected with front bearing retainer 6, and the other end has three major thread 202 holes and is connected with spindle pulley protective cover.
See shown in Fig. 2 and Fig. 3, bearing 16 adopts angular contact ball bearing 7216C.All angular contact ball bearing is adopted for the huge radial load of carrying and the bearing of axial reaction force that brought by axial feed, mounted in pairs angular contact ball bearing can bear radial direction, axially two-way connected load based on radial load, also pure radial load can be born, precompressed interference is had after installation, lasso and steel ball are in axial preload state, thus improve whole group of bearing as single support stiffness and running accuracy.
See shown in Fig. 3 and Fig. 6, large emery wheel holder 17 front inner surface 1701 installs nose circle nut 9, and inward hole slope 1702 contacts fixing with main shaft 1, rear end inner surface 1703 installs rear bearing cover 8 and rear end round nut 9.
See shown in Fig. 3 and Fig. 7, fore bearing nut 5 is had four screwed holes 501 and is fixed by screw with large emery wheel holder 17, and its other end is opened two indent notches 502 and is connected with front bearing retainer 6 is mutually embedding.
State embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.
Claims (6)
1. the main shaft device of a centerless grinder, it is characterized in that, comprise: main shaft (1), spindle drum (2), main wheel-guard (3), main emery wheel apron plate (4), fore bearing nut (5), front bearing retainer (6), rear bearing nut (7), rear bearing cover (8), rear end round nut (9), nose circle nut (10), outer pre-trim ring (11), interior pre-trim ring (12), spindle pulley (13), balance weight (14), mainshaft bushing (15), bearing (16), large emery wheel holder (17), large emery wheel gland (18), perspective board (19), handle (20), first adhesive sheet (21), second adhesive sheet (22), filter (23), woven hose (24), water pipe holder (25), water fender (26), first black offset plate (27), second black offset plate (28), main shaft orientation pin (29), emery wheel (30), main shaft (1) is arranged in the sub-assembly of main wheel-guard (3) and spindle drum (2), and main shaft (1) head is positioned at main wheel-guard (3) and installs nose circle nut (10), large emery wheel holder (17), fore bearing nut (5), front bearing retainer (6), main shaft (1) middle part is positioned at spindle drum (2) and installs mainshaft bushing (15), pair of bearings (16), rear bearing cover (8) and rear bearing nut (7), the outer pre-trim ring (11) of dress and interior pre-trim ring (12) between two bearings (16), main shaft (1) afterbody stretches out outside spindle drum (2) installs spindle pulley (13) and rear end round nut (9), between the nose circle nut (10) of main shaft (1) head and large emery wheel holder (17), large emery wheel gland (18) and balance weight (14) are installed, between large emery wheel holder (17) and large emery wheel gland (18), emery wheel (30) is installed, main emery wheel apron plate (4) is installed in main wheel-guard (3) side, main emery wheel apron plate (4) is installed handle (20) and photoscope (19).
2. the main shaft device of centerless grinder according to claim 1, it is characterized in that: grinding fluid assembly is equipped with at main wheel-guard (3) top, this assembly is made up of woven hose (24), water pipe holder (25) and water fender (26), and this assembly is fixed on main wheel-guard (3) by the screw on water pipe holder (25) and water fender (26).
3. the main shaft device of centerless grinder according to claim 1, it is characterized in that: four minor thread holes (201) are opened at spindle drum (2) two ends, one end is connected with front bearing retainer (6), and the other end has three major thread (202) holes and is connected with spindle pulley protective cover.
4. the main shaft device of centerless grinder according to claim 1, is characterized in that: bearing (16) adopts angular contact ball bearing 7216C.
5. the main shaft device of centerless grinder according to claim 1, it is characterized in that: large emery wheel holder (17) front inner surface (1701) installs nose circle nut (9), inward hole slope (1702) contacts fixing with main shaft (1), rear end inner surface (1703) installs rear bearing cover (8) and rear end round nut (9).
6. the main shaft device of centerless grinder according to claim 1, it is characterized in that: fore bearing nut (5) is had four screwed holes (501) and fixed by screw with large emery wheel holder (17), and its other end is opened two indent notches (502) and is connected with front bearing retainer (6) is mutually embedding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311741.1U CN204748307U (en) | 2015-05-14 | 2015-05-14 | Centerless grinder's spindle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311741.1U CN204748307U (en) | 2015-05-14 | 2015-05-14 | Centerless grinder's spindle unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204748307U true CN204748307U (en) | 2015-11-11 |
Family
ID=54463060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520311741.1U Expired - Fee Related CN204748307U (en) | 2015-05-14 | 2015-05-14 | Centerless grinder's spindle unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204748307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802076A (en) * | 2015-05-14 | 2015-07-29 | 吴江市新科缝制设备有限公司 | Main shaft device of centerless grinding machine |
| CN114211395A (en) * | 2020-09-04 | 2022-03-22 | 富准精密模具(嘉善)有限公司 | Product fixing device and polishing device |
-
2015
- 2015-05-14 CN CN201520311741.1U patent/CN204748307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802076A (en) * | 2015-05-14 | 2015-07-29 | 吴江市新科缝制设备有限公司 | Main shaft device of centerless grinding machine |
| CN114211395A (en) * | 2020-09-04 | 2022-03-22 | 富准精密模具(嘉善)有限公司 | Product fixing device and polishing device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160514 |