CN201511279U - Hole grinding machine multi-section combined type grinding main spindle - Google Patents
Hole grinding machine multi-section combined type grinding main spindle Download PDFInfo
- Publication number
- CN201511279U CN201511279U CN2009201288203U CN200920128820U CN201511279U CN 201511279 U CN201511279 U CN 201511279U CN 2009201288203 U CN2009201288203 U CN 2009201288203U CN 200920128820 U CN200920128820 U CN 200920128820U CN 201511279 U CN201511279 U CN 201511279U
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- main spindle
- shaft part
- main shaft
- sections
- section combined
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Abstract
The utility model discloses a hole grinding machine multi-section combined type grinding main spindle which comprises a main spindle core composed of shaft sections and a tubular main spindle outer shell composed of tubular outer shell node sections, wherein the neighboring shaft sections are fixedly matched with a detachable mode on the circumference direction, the main spindle outer shell node sections and the shaft sections are correspondingly sleeved on a shaft section ex-circle and are rotatablely matched, the neighboring main spindle outer shell node sections are radially and fixedly matched with the detachable mode, the hole grinding machine multi-section combined type grinding main spindle can increase or reduce the shaft sections and the main spindle outer shell node sections according to the length of pipelines which need manufacturing, adjusts the length of the main spindle, thereby having stronger adaptability to workpieces, utilizes the characteristic that a tubular structure bears great bending moment, and adopts the tubular outer shell node sections to support the shaft sections, the main spindle integral bending deflection is smaller, the rigidity is bigger, the assembly precision high, thereby the manufacture precision of workpieces can be guaranteed, the use is simple and convenient, the working intensity of operation staffs can be lowered, the working efficiency is improved, the main spindle manufacture of the hole grinding machine multi-section combined type grinding main spindle is easy, and the cost is low.
Description
Technical field
The utility model relates to a kind of grinding spindle of internal grinder, the multi-section combined grinding spindle of particularly a kind of internal grinder.
Background technology
Pipeline is because axial length is longer, and its internal grinding is the bottleneck of its machining accuracy of restriction for a long time always.Because grinding machine spindle has certain rigidity requirement, the grinding grinding machine of circle generally adopts the integral type main shaft in the pipeline of prior art, grinding for circle in the pipeline, the general Working position that changes workpiece that adopts is realized the pipeline internal grinding, the efficient of grinding is low, the labor intensity of operating personnel height, and the machining accuracy of workpiece is low, technology and experience to the workman require height, and can't process for long pipeline; For overcoming the above problems, pipeline internal grinding grinding machine adopts long main shaft design, though long main shaft can solve the grinding to long pipeline, but the manufacture difficulty of long main shaft is big, manufacturing cost height, low precision, the assembling difficulty, efficiency of assembling is lower, the labour intensity height, and the long main shaft grinding machine of integral type is relatively poor for the adaptability of workpiece; Main shaft after the installation is a cantilever design, and the amount of deflection of main shaft is big, influences the machining accuracy of workpiece.
Therefore, need improve existing internal grinder grinding spindle, can adjust the length of main shaft, workpiece is had stronger adaptability according to the length of pipeline, the whole amount of deflection of main shaft is less, rigidity is bigger, and the assembly precision height can guarantee the machining accuracy of workpiece, easy to use, reduce operating personnel's working strength, increase work efficiency, manufacture difficulty and cost are low.
The utility model content
In view of this, the purpose of this utility model provides a kind of internal grinder multi-section combined grinding spindle, can adjust the length of main shaft according to the length of pipeline, and workpiece is had stronger adaptability, the whole amount of deflection of main shaft is less, rigidity is bigger, and the assembly precision height can guarantee the machining accuracy of workpiece, easy to use, reduce operating personnel's working strength, increase work efficiency, manufacture difficulty and cost are low.
The multi-section combined grinding spindle of internal grinder of the present utility model comprises main shaft axle core of being made up of shaft part and the tubular spindle shell of being made up of the tube-like envelope sections, between the adjacent shaft part in circumferencial direction secure fit removably; The corresponding shaft part cylindrical that is enclosed within shaft part of described main shaft shell sections is rotatably assorted with it, secure fit removably radially between the adjacent main shaft shell sections.
Further, described shaft part comprises chopped-off head shaft part, middle shaft part and final stage shaft part; Described chopped-off head shaft part cooperates with the transmission removably of spindle motor clutch end, between final stage shaft part and the interior round grinding tool in circumferencial direction secure fit removably;
Further, circle inwardly forms bearing block respectively in the described main shaft shell sections two ends, is rotatably assorted by at least one rolling bearing between circle and the shaft part cylindrical in the bearing block;
Further, fixedly connected between the described adjacent main shaft shell sections by screw thread;
Further, adopt yielding coupling secure fit removably at circumferencial direction between the described adjacent shaft part;
Further, be positioned at main shaft shell sections circle and in the housing washer both sides external bushing be set respectively, external bushing one end axially withstands the housing washer end face, and the other end is by main shaft shell sections axial location; The rolling bearing inner ring both sides are provided with neck bush respectively, and neck bush one end axially withstands the rolling bearing inner ring end face, and the other end is by the shaft part axial location;
Further, the outside bending of neck bush outboard end, the inside bending of external bushing outboard end, the bent end of neck bush and the bent end of external bushing are slidingly matched by annular protrusion and the annular groove that is provided with respectively and works in coordination;
Further, described adjacent main shaft shell sections and the coaxial setting of main shaft axle core.
The beneficial effects of the utility model: the multi-section combined grinding spindle of internal grinder of the present utility model, adopt multiaxis section and supports main shaft shell sections structure corresponding with it, can increase or reduce shaft part and main shaft shell sections according to the length of pipeline, adjust the length of main shaft, thereby workpiece is had stronger adaptability; Owing to adopt the tube-like envelope sections that shaft part is supported, utilize tubular structure to bear the characteristic of big moment of flexure, make the whole amount of deflection of main shaft less, rigidity is bigger, the assembly precision height, thereby can guarantee the machining accuracy of workpiece, easy to use, reduce operating personnel's working strength, increase work efficiency; Main shaft manufacture difficulty of the present utility model and cost are low.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is Figure 1A place enlarged drawing.
The specific embodiment
Fig. 1 is the utility model structural representation, Fig. 2 is Figure 1A place enlarged drawing, as shown in the figure: the multi-section combined grinding spindle of the internal grinder of present embodiment, comprise main shaft axle core of forming by shaft part 2 and the tubular spindle shell of forming by tube-like envelope sections 3, between the adjacent shaft part in circumferencial direction secure fit removably; The corresponding shaft part cylindrical that is enclosed within shaft part of described main shaft shell sections 3 is rotatably assorted with it, secure fit removably radially between the adjacent main shaft shell sections 3.
In the present embodiment, described shaft part comprises chopped-off head shaft part 21, middle shaft part 22 and final stage shaft part 23; Described chopped-off head shaft part 21 cooperates with the transmission removably of spindle motor 1 clutch end, and in circumferencial direction secure fit removably, as shown in the figure, interior round grinding tool 4 is positioned at workpiece 5 between final stage shaft part 23 and the interior round grinding tool 4; Middle shaft part 22 can be made standard component, is applicable to different workpieces after a plurality of the combination, assembles simple and conveniently, increases work efficiency.
In the present embodiment, fixedly connected between the described adjacent main shaft shell sections 3 by screw thread; Connect simple and conveniently, assembling is increased work efficiency easily.
In the present embodiment, adopt yielding coupling 8 secure fit removably at circumferencial direction between the described adjacent shaft part; Connect reliably, adaptability is stronger.
In the present embodiment, circle inwardly forms bearing block 31 respectively in described main shaft shell sections 3 two ends, is rotatably assorted by at least one rolling bearing 9 between circle and the shaft part cylindrical in the bearing block 31, and present embodiment adopts one; Adopt the fit structure of rolling bearing 9, radial clearance is less, is beneficial to the rigidity and linearity and the assembly precision that keep whole main axle structure, thereby guarantees the machining accuracy of workpiece; Be positioned at main shaft shell sections 3 circles and external bushing 6 be set respectively in both sides, rolling bearing 9 outer ring, external bushing 6 one ends axially withstand rolling bearing 9 cycle surfaces, be to withstand rolling bearing 9 cycle surfaces in the present embodiment by transition sleeve 11, assemble more convenient, the other end is by main shaft shell sections axial location, in the present embodiment, two external bushings 6 carry out axial location by heavy stand round-formed in the main shaft shell sections 3 and the baffle ring 10 that fixedly installs respectively; Rolling bearing 9 inner ring both sides are provided with neck bush 7 respectively, and neck bush 7 one ends axially withstand rolling bearing 9 inner ring end faces, and the other end is by the shaft part axial location, and two neck bush 7 carry out axial location by the shaft part shaft shoulder and yielding coupling 8 respectively in the present embodiment; The outside bending in neck bush 7 ends, the inside bending in external bushing 6 ends, the bent end of the bent end of neck bush 7 and external bushing 6 is slidingly matched by annular protrusion and the annular groove that is provided with respectively and works in coordination, further carry out axial location, when rolling bearing 9 is carried out axial limiting, guarantee assembly precision; Annular protrusion and annular groove sliding matching structure also are beneficial to the axiality that keeps structure, further guarantee assembly precision.
In the present embodiment, described adjacent main shaft shell sections 3 and the 2 coaxial settings of main shaft axle core, compact conformation, assembling improves the main shaft traveling comfort easily.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. multi-section combined grinding spindle of internal grinder is characterized in that: comprise main shaft axle core of forming by shaft part and the tubular spindle shell of forming by the tube-like envelope sections, between the adjacent shaft part in circumferencial direction secure fit removably; The corresponding shaft part cylindrical that is enclosed within shaft part of described main shaft shell sections is rotatably assorted with it, secure fit removably radially between the adjacent main shaft shell sections.
2. the multi-section combined grinding spindle of internal grinder according to claim 1 is characterized in that: described shaft part comprises chopped-off head shaft part, middle shaft part and final stage shaft part; Described chopped-off head shaft part cooperates with the transmission removably of spindle motor clutch end, between final stage shaft part and the interior round grinding tool in circumferencial direction secure fit removably.
3. the multi-section combined grinding spindle of internal grinder according to claim 2 is characterized in that: circle inwardly forms bearing block respectively in the described main shaft shell sections two ends, is rotatably assorted by at least one rolling bearing between circle and the shaft part cylindrical in the bearing block.
4. the multi-section combined grinding spindle of internal grinder according to claim 3 is characterized in that: fixedly connected by screw thread between the described adjacent main shaft shell sections.
5. the multi-section combined grinding spindle of internal grinder according to claim 4 is characterized in that: adopt yielding coupling secure fit removably at circumferencial direction between the described adjacent shaft part.
6. the multi-section combined grinding spindle of internal grinder according to claim 5, it is characterized in that: be positioned at main shaft shell sections circle and external bushing be set respectively in the housing washer both sides, external bushing one end axially withstands the housing washer end face, and the other end is by main shaft shell sections axial location; The rolling bearing inner ring both sides are provided with neck bush respectively, and neck bush one end axially withstands the rolling bearing inner ring end face, and the other end is by the shaft part axial location.
7. the multi-section combined grinding spindle of internal grinder according to claim 6, it is characterized in that: the outside bending of neck bush outboard end, the inside bending of external bushing outboard end, the bent end of neck bush and the bent end of external bushing are slidingly matched by annular protrusion and the annular groove that is provided with respectively and works in coordination.
8. the multi-section combined grinding spindle of internal grinder according to claim 7 is characterized in that: described adjacent main shaft shell sections and the coaxial setting of main shaft sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201288203U CN201511279U (en) | 2009-09-11 | 2009-09-11 | Hole grinding machine multi-section combined type grinding main spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201288203U CN201511279U (en) | 2009-09-11 | 2009-09-11 | Hole grinding machine multi-section combined type grinding main spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201511279U true CN201511279U (en) | 2010-06-23 |
Family
ID=42482677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201288203U Expired - Fee Related CN201511279U (en) | 2009-09-11 | 2009-09-11 | Hole grinding machine multi-section combined type grinding main spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201511279U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398196A (en) * | 2011-11-14 | 2012-04-04 | 山西省高平市泫氏铸业有限公司 | Quickly-replaced mechanism for grinding rod of internal grinding machine |
| CN103541131A (en) * | 2013-10-25 | 2014-01-29 | 吴江市永利工艺制品有限责任公司 | Cloth roller |
| CN103586767A (en) * | 2013-11-18 | 2014-02-19 | 湖南南方宇航工业有限公司 | Tool main shaft lengthening assembly |
| CN104889872A (en) * | 2014-03-08 | 2015-09-09 | 吴鹏志 | Bracket type inner circle finish grinding and polishing machine |
| CN107081645A (en) * | 2017-06-28 | 2017-08-22 | 安徽普伦智能装备有限公司 | A kind of inner wall grinding device for long mini diameter tube |
| CN107745328A (en) * | 2017-08-08 | 2018-03-02 | 于伟忱 | Numerical control grinding for horizontal honing polishes compatible device |
| CN109397042A (en) * | 2018-10-31 | 2019-03-01 | 大连寅鹏表面设备制造有限公司 | A kind of plate-like workpiece automatic grinding equipment |
| CN110052907A (en) * | 2019-04-16 | 2019-07-26 | 黄石市高潮工矿机械有限公司 | Grinding head device for deep hole machining |
| CN114211370A (en) * | 2021-12-17 | 2022-03-22 | 武汉一冶钢结构有限责任公司 | Auxiliary polishing and cleaning device and method for inner wall of pipeline |
-
2009
- 2009-09-11 CN CN2009201288203U patent/CN201511279U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398196A (en) * | 2011-11-14 | 2012-04-04 | 山西省高平市泫氏铸业有限公司 | Quickly-replaced mechanism for grinding rod of internal grinding machine |
| CN103541131A (en) * | 2013-10-25 | 2014-01-29 | 吴江市永利工艺制品有限责任公司 | Cloth roller |
| CN103586767A (en) * | 2013-11-18 | 2014-02-19 | 湖南南方宇航工业有限公司 | Tool main shaft lengthening assembly |
| CN104889872A (en) * | 2014-03-08 | 2015-09-09 | 吴鹏志 | Bracket type inner circle finish grinding and polishing machine |
| CN104889872B (en) * | 2014-03-08 | 2017-07-11 | 吴鹏志 | Stent-type inner circle fine grinding polishing machine |
| CN107081645B (en) * | 2017-06-28 | 2019-08-23 | 安徽普伦智能装备有限公司 | A kind of inner wall grinding device for long mini diameter tube |
| CN107081645A (en) * | 2017-06-28 | 2017-08-22 | 安徽普伦智能装备有限公司 | A kind of inner wall grinding device for long mini diameter tube |
| CN107745328A (en) * | 2017-08-08 | 2018-03-02 | 于伟忱 | Numerical control grinding for horizontal honing polishes compatible device |
| CN107745328B (en) * | 2017-08-08 | 2023-10-31 | 于伟忱 | Numerical control grinding and polishing dual-purpose device for horizontal honing |
| CN109397042A (en) * | 2018-10-31 | 2019-03-01 | 大连寅鹏表面设备制造有限公司 | A kind of plate-like workpiece automatic grinding equipment |
| CN109397042B (en) * | 2018-10-31 | 2023-10-31 | 大连寅鹏表面设备制造有限公司 | Automatic grinding equipment for disc-shaped workpieces |
| CN110052907A (en) * | 2019-04-16 | 2019-07-26 | 黄石市高潮工矿机械有限公司 | Grinding head device for deep hole machining |
| CN114211370A (en) * | 2021-12-17 | 2022-03-22 | 武汉一冶钢结构有限责任公司 | Auxiliary polishing and cleaning device and method for inner wall of pipeline |
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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 |
Granted publication date: 20100623 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |