CN109015370B - Grinding tool for stirrer shaft sleeve - Google Patents
Grinding tool for stirrer shaft sleeve Download PDFInfo
- Publication number
- CN109015370B CN109015370B CN201811108497.3A CN201811108497A CN109015370B CN 109015370 B CN109015370 B CN 109015370B CN 201811108497 A CN201811108497 A CN 201811108497A CN 109015370 B CN109015370 B CN 109015370B
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- CN
- China
- Prior art keywords
- shaft
- sleeve
- expansion sleeve
- expansion
- taper
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a grinding tool for a stirrer shaft sleeve, which comprises a main shaft and an expansion sleeve, wherein two taper shaft sections are arranged on the main shaft at intervals, the two taper shaft sections are of taper shaft structures with small left parts and large right parts, and the two taper shaft sections and the main shaft are coaxially arranged; the two expansion sleeves are respectively and correspondingly arranged at the two taper shaft sections, and the inner holes of the expansion sleeves are provided with taper hole structures matched with the corresponding taper shaft sections; the expansion sleeve is sleeved on the corresponding taper shaft section and is in expansion fit with the taper shaft section; the stirrer shaft sleeve is sleeved on the main shaft, and two ends of the stirrer shaft sleeve are respectively sleeved at the corresponding expansion sleeve, so that the inner hole of the stirrer shaft sleeve is in expansion fit with the corresponding expansion sleeve. The invention realizes the accurate positioning of the stirrer shaft sleeve, ensures the processing precision and the operation efficiency, and is suitable for the grinding processing of the stirrer shaft sleeve with various specifications.
Description
Technical Field
The invention relates to the technical field of production of a paper pulp stirrer shaft sleeve, in particular to a grinding tool for a stirrer shaft sleeve.
Background
At present, the stirrer shaft sleeve in the pulping field can encounter a plurality of problems in the manufacturing process, wherein the most prominent is grinding processing on the left side of the cylindrical grinder, because the thinnest part of the stirrer shaft sleeve wall is less than 5mm and the length is about 300mm, the stirrer shaft sleeve belongs to an ultra-long thin-wall part, and is easy to generate elastic deformation in the grinding process, so that the one-time inspection qualification rate of the shaft sleeve is lower, and a brand new grinding tool is urgently needed to solve the current dilemma.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a grinding tool for a stirrer shaft sleeve, realizes accurate positioning of the stirrer shaft sleeve, ensures processing precision and operating efficiency, and is suitable for grinding of stirrer shaft sleeves with various specifications.
In order to solve the technical problems, the invention adopts the following technical scheme:
the grinding tool for the stirrer shaft sleeve comprises a main shaft and an expansion sleeve, wherein two taper shaft sections are arranged on the main shaft at intervals, the two taper shaft sections are of taper shaft structures with small left parts and large right parts, and the two taper shaft sections and the main shaft are coaxially arranged;
the two expansion sleeves are respectively and correspondingly arranged at the two taper shaft sections, and the inner holes of the expansion sleeves are provided with taper hole structures matched with the corresponding taper shaft sections; the expansion sleeve is sleeved on the corresponding taper shaft section and is in expansion fit with the taper shaft section; the stirrer shaft sleeve is sleeved on the main shaft, and two ends of the stirrer shaft sleeve are respectively sleeved at the corresponding expansion sleeve, so that the inner hole of the stirrer shaft sleeve is in expansion fit with the corresponding expansion sleeve.
The device also comprises a loading and unloading mechanism for assembling and disassembling the expansion sleeve, wherein the two expansion sleeves are divided into a left expansion sleeve and a right expansion sleeve, and the loading and unloading mechanism comprises a left loading and unloading mechanism arranged at the left end part of the main shaft and a right loading and unloading mechanism arranged at the right end part of the main shaft;
the left loading and unloading mechanism comprises a left end compression nut, a split gasket, a left tension screw and an annular groove arranged on the outer wall of the left expansion sleeve, the left end compression nut is in threaded sleeve arrangement on the left end of the main shaft, a plurality of left axial threaded holes are uniformly distributed on the left end compression nut along the circumferential direction, and the left tension screw passes through the corresponding left axial threaded holes; the split type gasket is formed by butt joint of two half pieces, a half hole is formed in each half piece, the two half holes are in butt joint to form a shaft hole for a main shaft to pass through, and a plurality of threaded perforations are further arranged on the split type gasket along the axial direction;
the right loading and unloading mechanism comprises a right-end push-off nut, a right tensioning screw and an annular boss arranged on the outer wall of the right expansion sleeve, wherein the right-end push-off nut is in threaded sleeve arrangement on the right end part of the main shaft, a plurality of axial threaded holes are uniformly distributed on the right-end push-off nut along the circumferential direction, and the right tensioning screw passes through the corresponding right axial threaded hole;
when the split type gasket is provided with the pressure expansion sleeve, the split type gasket is positioned at the annular groove of the outer wall of the left expansion sleeve, and the left tensioning screw is in abutting fit with the left end face of the split type gasket;
when the expansion sleeve is disassembled, the split type gasket is positioned at the annular groove of the outer wall of the left expansion sleeve, and the left tensioning screw penetrates through the threaded perforation of the split type gasket.
The left side part of the main shaft positioned on the left taper shaft section is a left straight shaft section, and the left end pressing nut is arranged at the left straight shaft section;
the right side part of the spindle, which is positioned on the right conical shaft section, is a right straight shaft section, and the right end push-off nut is arranged on the right straight shaft section.
The left expansion sleeve extends leftwards and is provided with an extension section coaxial with the left expansion sleeve, an inner hole of the extension section is a straight hole, and the extension section is sleeved on the left straight shaft section.
The annular groove is formed in the middle of the outer wall of the left expansion sleeve.
The annular boss is arranged at the right end part of the outer wall of the right expansion sleeve.
The beneficial effects of the invention are as follows:
the invention has simple structure and convenient operation, realizes the accurate positioning of the stirrer shaft sleeve, ensures the accurate and efficient welding processing of the stirrer spacer, has small deformation in the processing process, can greatly improve the once-through inspection qualification rate of the manufacture of the stirrer shaft sleeve, and is suitable for the grinding processing of the stirrer shaft sleeve with various specifications.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a side view of the split shim of fig. 1.
Detailed Description
The detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings.
As shown in fig. 1 and 2, the grinding tool for the stirrer shaft sleeve comprises a main shaft 1 and an expansion sleeve, wherein two taper shaft sections 12 and 13 are arranged on the main shaft 1 at intervals, the two taper shaft sections 12 and 13 are of taper shaft structures with small left parts and large right parts, and the two taper shaft sections 12 and 13 are coaxially arranged with the main shaft 1;
the two expansion sleeves are respectively a left expansion sleeve 2 and a right expansion sleeve 3, and are respectively and correspondingly arranged at the two taper shaft sections 12 and 13, and the inner holes of the expansion sleeves are provided with taper hole structures matched with the corresponding taper shaft sections; the left expansion sleeve 2 is sleeved on the corresponding taper shaft section 12 and is in expansion fit with the corresponding taper shaft section, and the right expansion sleeve 3 is sleeved on the corresponding taper shaft section 13 and is in expansion fit with the corresponding taper shaft section; the stirrer shaft sleeve 4 is sleeved on the main shaft 1, and two ends of the stirrer shaft sleeve 4 are respectively sleeved at the corresponding left expansion sleeve 2 and the right expansion sleeve 3, and the inner hole of the stirrer shaft sleeve 4 is in expansion fit with the corresponding expansion sleeve.
The grinding tool for the stirrer shaft sleeve further comprises a loading and unloading mechanism for loading and unloading the expansion sleeve, wherein the loading and unloading mechanism comprises a left loading and unloading mechanism arranged at the left end part of the main shaft 1 and a right loading and unloading mechanism arranged at the right end part of the main shaft 1.
The left loading and unloading mechanism comprises a left end compression nut 5, a split gasket 6, a left tension screw 7 and an annular groove 21 arranged in the middle of the outer wall of the left expansion sleeve 2, wherein the left end compression nut 5 is in threaded sleeve arrangement with the left end of the main shaft 1, a plurality of left axial threaded holes are uniformly distributed on the left end compression nut 5 along the circumferential direction, and the left tension screw 7 is penetrated by the corresponding left axial threaded holes; the split gasket 6 is formed by butting two half pieces, each half piece is internally provided with a half hole, the two half holes are butted to form a shaft hole for the spindle 1 to pass through, and a plurality of threaded perforations 61 are further distributed on the split gasket 6 along the axial direction.
The right loading and unloading mechanism comprises a right-end push-off nut 8, a right tensioning screw 9 and an annular boss 31 arranged at the right end part of the outer wall of the right expansion sleeve 3, wherein the right-end push-off nut 8 is in threaded sleeve arrangement at the right end part of the main shaft 1, a plurality of axial threaded holes are uniformly distributed on the right-end push-off nut 8 along the circumferential direction, and the right tensioning screw 9 passes through the corresponding right axial threaded holes;
when the split gasket 6 is provided with the pressure expansion sleeve, the pressure expansion sleeve is positioned at the annular groove 21 on the outer wall of the left expansion sleeve 2, and the left tension screw 7 is in abutting fit with the left end face of the split gasket 6;
the split washer 6 is located at the annular recess 21 of the outer wall of the left expansion sleeve 2 when the expansion sleeve is removed, and the left tightening screw 7 passes through the threaded bore 61 of the split washer.
In this embodiment, the left side portion of the main shaft 1 located on the left taper shaft section 12 is a left straight shaft section, the left end compression nut 5 is disposed at the left straight shaft section, the left expansion sleeve 2 extends leftwards to be provided with an extension section coaxial with the left end compression nut, an inner hole of the extension section is a straight hole, and the extension section is sleeved on the left straight shaft section, so that the left end compression nut 5 and the left expansion sleeve 2 are conveniently in butt fit.
The right side part of the spindle 1 positioned on the right conical shaft section 13 is a right straight shaft section, the right end push-off nut 8 is arranged on the right straight shaft section, and the design is convenient for realizing the top connection matching of the right tensioning screw 9 on the right end push-off nut 8 and the annular boss 31 on the right expansion sleeve 3.
The specific use flow of the stirrer shaft sleeve grinding tool in this embodiment is as follows:
1. the installation flow comprises the following steps:
firstly, a right expansion sleeve 3 is arranged at the left end of a main shaft 1, the outer circle of the left expansion sleeve 2 is in clearance fit with the inner hole of a stirrer shaft sleeve 4 in a free state, then the stirrer shaft sleeve 4 and the left expansion sleeve 2 are arranged, and finally, a left end pressing nut 5 is screwed;
when in press fastening, the left tension screw 7 is screwed into the left axial threaded hole of the left end press nut 5, the space for installing the split washer 6 is reserved, then the split washer 6 is placed into the annular groove 21 of the left expansion sleeve 2, the left tension screw 7 is continuously screwed until the left tension screw 7 contacts the left end face of the split washer 6 (the screw holes are aligned to rotate respectively), and then the left tension screw 7 is continuously rotated, so that the taper hole of the right expansion sleeve 3 is matched with the tapered outer circle of the taper shaft section 13 in place;
then the left tensioning screw 7 can be screwed out, the split washer 6 is removed, and finally the left end pressing nut 5 is screwed in, so that the taper hole of the left expansion sleeve 2 is matched with the tapered outer circle of the taper shaft section 12 in place, namely, the positioning and clamping of the stirrer shaft sleeve are completed; then, the cylindrical grinding machine can be used for clamping and grinding the cylindrical;
2. the disassembly process comprises the following steps:
when the stirrer is disassembled, the left end compression nut 5 is screwed out for a certain distance, the split washer 6 is installed, the left tension screw 7 is screwed in the left end compression nut 5, the left tension screw 7 is continuously rotated to be screwed into the threaded through hole 61 of the split washer 6, and then the left compression nut 5 is rotated leftwards to draw the expansion sleeve 2 out of the stirrer shaft sleeve 4 leftwards for a certain distance;
continuously screwing out the right-end push-off nut 8 for a certain distance, screwing in the right-end push-off nut 8, continuously rotating the right-tension screw 9 to enable the right-tension screw 9 to abut against the right end face of the annular boss 31 of the right-expansion sleeve 3, and then rotating the right-tension screw 9 to push the right-expansion sleeve 3 until the main shaft 1 is pulled out of the right-expansion sleeve 23;
the left end pressing nut 5 is completely screwed out of the main shaft 1, the stirrer shaft sleeve 4 is taken out, and then the next workpiece can be clamped and ground.
When the stirrer shaft sleeve is replaced (the stirrer shaft sleeves with different specifications are replaced), the stirrer shaft sleeve with the whole series can be processed and manufactured on the cylindrical grinding machine as long as the specifications of the expansion sleeve are replaced.
The invention has simple structure and convenient operation, realizes the accurate positioning of the stirrer shaft sleeve, ensures the accurate and efficient welding processing of the stirrer spacer, has small deformation in the processing process, can greatly improve the once-through inspection qualification rate of the manufacture of the stirrer shaft sleeve, and is suitable for the grinding processing of the stirrer shaft sleeve with various specifications.
The above embodiments are only for illustrating the technical solution of the present invention, and it should be understood by those skilled in the art that although the present invention has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, which is intended to be encompassed by the claims.
In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present invention.
Claims (5)
1. The utility model provides a agitator axle sleeve grinding frock which characterized in that: the device comprises a main shaft and an expansion sleeve, wherein two taper shaft sections are arranged on the main shaft at intervals, the two taper shaft sections are of taper shaft structures with small left parts and large right parts, and the two taper shaft sections and the main shaft are coaxially arranged;
the two expansion sleeves are respectively and correspondingly arranged at the two taper shaft sections, and the inner holes of the expansion sleeves are provided with taper hole structures matched with the corresponding taper shaft sections; the expansion sleeve is sleeved on the corresponding taper shaft section and is in expansion fit with the taper shaft section; the stirrer shaft sleeve is sleeved on the main shaft, and two ends of the stirrer shaft sleeve are respectively sleeved at the corresponding expansion sleeve, so that the inner hole of the stirrer shaft sleeve is in expansion fit with the corresponding expansion sleeve;
the device also comprises a loading and unloading mechanism for assembling and disassembling the expansion sleeve, wherein the two expansion sleeves are divided into a left expansion sleeve and a right expansion sleeve, and the loading and unloading mechanism comprises a left loading and unloading mechanism arranged at the left end part of the main shaft and a right loading and unloading mechanism arranged at the right end part of the main shaft;
the left loading and unloading mechanism comprises a left end compression nut, a split gasket, a left tension screw and an annular groove arranged on the outer wall of the left expansion sleeve, the left end compression nut is in threaded sleeve arrangement on the left end of the main shaft, a plurality of left axial threaded holes are uniformly distributed on the left end compression nut along the circumferential direction, and the left tension screw passes through the corresponding left axial threaded holes; the split type gasket is formed by butt joint of two half pieces, a half hole is formed in each half piece, the two half holes are in butt joint to form a shaft hole for a main shaft to pass through, and a plurality of threaded perforations are further arranged on the split type gasket along the axial direction;
the right loading and unloading mechanism comprises a right-end push-off nut, a right tensioning screw and an annular boss arranged on the outer wall of the right expansion sleeve, wherein the right-end push-off nut is in threaded sleeve arrangement on the right end part of the main shaft, a plurality of axial threaded holes are uniformly distributed on the right-end push-off nut along the circumferential direction, and the right tensioning screw passes through the corresponding right axial threaded hole;
when the split type gasket is provided with the pressure expansion sleeve, the split type gasket is positioned at the annular groove of the outer wall of the left expansion sleeve, and the left tensioning screw is in abutting fit with the left end face of the split type gasket;
when the expansion sleeve is disassembled, the split type gasket is positioned at the annular groove of the outer wall of the left expansion sleeve, and the left tensioning screw penetrates through the threaded perforation of the split type gasket.
2. The agitator shaft sleeve grinding tool of claim 1, wherein: the left side part of the main shaft positioned on the left taper shaft section is a left straight shaft section, and the left end pressing nut is arranged at the left straight shaft section;
the right side part of the spindle, which is positioned on the right conical shaft section, is a right straight shaft section, and the right end push-off nut is arranged on the right straight shaft section.
3. The agitator shaft sleeve grinding tool of claim 2, wherein: the left expansion sleeve extends leftwards and is provided with an extension section coaxial with the left expansion sleeve, an inner hole of the extension section is a straight hole, and the extension section is sleeved on the left straight shaft section.
4. A grinding tool for a stirrer shaft cover according to any one of claims 1 to 3, wherein: the annular groove is formed in the middle of the outer wall of the left expansion sleeve.
5. A grinding tool for a stirrer shaft cover according to any one of claims 1 to 3, wherein: the annular boss is arranged at the right end part of the outer wall of the right expansion sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108497.3A CN109015370B (en) | 2018-09-21 | 2018-09-21 | Grinding tool for stirrer shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108497.3A CN109015370B (en) | 2018-09-21 | 2018-09-21 | Grinding tool for stirrer shaft sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109015370A CN109015370A (en) | 2018-12-18 |
| CN109015370B true CN109015370B (en) | 2023-08-18 |
Family
ID=64617883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811108497.3A Active CN109015370B (en) | 2018-09-21 | 2018-09-21 | Grinding tool for stirrer shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109015370B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808416Y (en) * | 2005-03-14 | 2006-08-23 | 山东泰工工贸有限责任公司 | Combined clamp for face grinding of gear |
| CN201922064U (en) * | 2011-01-27 | 2011-08-10 | 淄博真空设备厂有限公司 | Simple expanding mold jig |
| CN202079414U (en) * | 2011-04-28 | 2011-12-21 | 上海飞华汽车部件有限公司 | Positioning jig for processing thin large-aperture disc type part |
| CN103143745A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Lathe clamp for clamping synchronizer gear |
| CN103990825A (en) * | 2014-06-18 | 2014-08-20 | 中核(天津)科技发展有限公司 | Machining tool for ultrathin-walled cylinder workpiece |
| CN205001399U (en) * | 2015-09-28 | 2016-01-27 | 攀钢集团工程技术有限公司 | Biax cover shaft coupling |
| CN205342512U (en) * | 2015-11-09 | 2016-06-29 | 河南平原光电有限公司 | A anchor clamps for processing accurate thin wall sleeve part of overlength |
| CN108067692A (en) * | 2017-12-18 | 2018-05-25 | 中国航发贵州黎阳航空动力有限公司 | A kind of involute inner spline centering tensioning clamper |
| CN209007336U (en) * | 2018-09-21 | 2019-06-21 | 郑州运达造纸设备有限公司 | A kind of blender axle sleeve grinding fixture |
-
2018
- 2018-09-21 CN CN201811108497.3A patent/CN109015370B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808416Y (en) * | 2005-03-14 | 2006-08-23 | 山东泰工工贸有限责任公司 | Combined clamp for face grinding of gear |
| CN201922064U (en) * | 2011-01-27 | 2011-08-10 | 淄博真空设备厂有限公司 | Simple expanding mold jig |
| CN202079414U (en) * | 2011-04-28 | 2011-12-21 | 上海飞华汽车部件有限公司 | Positioning jig for processing thin large-aperture disc type part |
| CN103143745A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Lathe clamp for clamping synchronizer gear |
| CN103990825A (en) * | 2014-06-18 | 2014-08-20 | 中核(天津)科技发展有限公司 | Machining tool for ultrathin-walled cylinder workpiece |
| CN205001399U (en) * | 2015-09-28 | 2016-01-27 | 攀钢集团工程技术有限公司 | Biax cover shaft coupling |
| CN205342512U (en) * | 2015-11-09 | 2016-06-29 | 河南平原光电有限公司 | A anchor clamps for processing accurate thin wall sleeve part of overlength |
| CN108067692A (en) * | 2017-12-18 | 2018-05-25 | 中国航发贵州黎阳航空动力有限公司 | A kind of involute inner spline centering tensioning clamper |
| CN209007336U (en) * | 2018-09-21 | 2019-06-21 | 郑州运达造纸设备有限公司 | A kind of blender axle sleeve grinding fixture |
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| Publication number | Publication date |
|---|---|
| CN109015370A (en) | 2018-12-18 |
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