CN112405023A - Holding device for smooth shaft - Google Patents
Holding device for smooth shaft Download PDFInfo
- Publication number
- CN112405023A CN112405023A CN202011192566.0A CN202011192566A CN112405023A CN 112405023 A CN112405023 A CN 112405023A CN 202011192566 A CN202011192566 A CN 202011192566A CN 112405023 A CN112405023 A CN 112405023A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- hole
- adjusting
- shaft
- radial
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention relates to a holding device for a smooth surface shaft, which comprises an outer sleeve, an inner sleeve, an adjusting screw plug and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft; when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft. The invention performs pressurization and holding, decompression and part loosening by rotating the adjusting screw plug, has simple operation, improves the processing efficiency in the production of parts, and can be widely applied to the batch production of short shaft parts.
Description
Technical Field
The invention relates to the field of machine tool fixture design, in particular to the technical field of positioning and compressing of shaft parts, and particularly relates to a smooth shaft holding device.
Background
The universal machine tool fixture has a plurality of positioning and pressing mechanisms in the field, but the universal machine tool fixture is often applied to shaft part positioning and pressing mechanisms which are different from each other, and the positioning and pressing mechanisms are two different form assemblies. The distance between standard cylindrical surfaces of some shaft parts is limited, and the shaft parts cannot be pressed after being positioned. The shaft workpiece fixing device adopts a positioning and pressing integrated structure to fix shaft workpieces.
Disclosure of Invention
The purpose of the invention is as follows: the shaft surface is not damaged while the shaft holding function is realized, and the holding force is uniformly applied to the outer surface of the shaft; the device with convenient force application and force unloading and high efficiency is provided, and high-efficiency processing is realized.
The technical scheme of the invention is as follows: the holding device for the smooth shaft comprises an outer sleeve, an inner sleeve, an adjusting screw plug and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is a stepped hole;
the plug is in sealing fixed fit with the radial oil filling hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the fine hole of the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the thick hole of the adjusting through hole, and the axial displacement of the adjusting plug screw can be realized by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
Furthermore, the hardness of the material of the inner sleeve is lower than HRC 35.
Further, the radial ring groove is arranged on the inner sleeve, and the ratio of the wall thickness of the radial ring groove to the wall thickness of the inner sleeve is lower than 0.5.
Furthermore, the radial ring groove is formed in the outer sleeve, and the wall thickness of the inner sleeve ranges from 3mm to 5 mm.
In addition, a holding device of the smooth surface shaft is provided, which comprises an outer sleeve, an inner sleeve, an adjusting block, an adjusting screw plug and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is formed in the radial annular groove;
the plug is in sealing fixed fit with the radial oil filling hole; the adjusting block is provided with a threaded hole, the adjusting block and the outer sleeve are fixed into a whole, and the threaded hole is coaxial with the adjusting through hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the threaded hole, and the axial displacement of the screw plug can be adjusted by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
Furthermore, the hardness of the material of the inner sleeve is below HRC35
Further, the radial ring groove is arranged on the inner sleeve, and the ratio of the wall thickness of the radial ring groove to the wall thickness of the inner sleeve is lower than 0.5.
Furthermore, the radial ring groove is formed in the outer sleeve, and the wall thickness of the inner sleeve ranges from 3mm to 5 mm.
The invention has the beneficial effects that: the parts are tightly held in a pressurizing mode and loosened in a pressure reducing mode through rotating the adjusting screw plug, the operation is simple, the machining efficiency in the production of the parts is improved, and the method can be widely applied to batch production of short shaft parts.
Drawings
The illustrative examples, as well as a preferred mode of use, further objectives, and descriptions thereof, will best be understood by reference to the following detailed description of an example of the present invention when read in conjunction with the accompanying drawings, wherein:
FIG. 1 is a schematic structural view of the present invention (embodiment 1);
FIG. 2 is a schematic diagram of the operation of the present invention (example 1);
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a schematic view of the operation of example 2;
wherein, 1-outer sleeve, 2-inner sleeve, 3-adjusting block, 4-adjusting screw plug, 5-plug and 6-smooth shaft
Detailed Description
The disclosed examples will be described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
1-2, a holding device for a smooth shaft is provided, which comprises an outer sleeve, an inner sleeve, an adjusting screw plug and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is a stepped hole;
the plug is in sealing fixed fit with the radial oil filling hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the fine hole of the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the thick hole of the adjusting through hole, and the axial displacement of the adjusting plug screw can be realized by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
The hardness of the material of the inner sleeve is lower than HRC 35.
The radial ring groove is arranged on the inner sleeve, and the ratio of the wall thickness of the radial ring groove to the wall thickness of the inner sleeve is lower than 0.5.
3-4, a holding device of a smooth shaft is additionally provided, which comprises an outer sleeve, an inner sleeve, an adjusting block, an adjusting screw plug and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is formed in the radial annular groove;
the plug is in sealing fixed fit with the radial oil filling hole; the adjusting block is provided with a threaded hole, the adjusting block and the outer sleeve are fixed into a whole, and the threaded hole is coaxial with the adjusting through hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the threaded hole, and the axial displacement of the screw plug can be adjusted by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
The hardness of the material of the inner sleeve is below HRC35
Furthermore, the radial ring groove is formed in the outer sleeve, and the wall thickness of the inner sleeve ranges from 3mm to 5 mm.
Different examples of the systems, devices, and methods disclosed herein include various components, features, and functions. It should be understood that the various examples of the systems, devices, and methods disclosed herein may include any of the components, features, and functions of any of the other examples of the systems, devices, and methods disclosed herein in any combination or sub-combination, and all such possibilities are intended to fall within the scope of the present invention.
The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages as compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a holding device of plain noodles axle which characterized in that: comprises an outer sleeve, an inner sleeve, an adjusting plug screw and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is a stepped hole;
the plug is in sealing fixed fit with the radial oil filling hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the fine hole of the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the thick hole of the adjusting through hole, and the axial displacement of the adjusting plug screw can be realized by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
2. The method of claim 1, wherein: the hardness of the material of the inner sleeve is lower than HRC 35.
3. The method of claim 1, wherein: the radial ring groove is arranged on the inner sleeve, and the ratio of the wall thickness of the radial ring groove to the wall thickness of the inner sleeve is lower than 0.5.
4. The method of claim 1, wherein: the radial ring groove is formed in the outer sleeve, and the wall thickness of the inner sleeve ranges from 3mm to 5 mm.
5. The utility model provides a holding device of plain noodles axle which characterized in that: comprises an outer sleeve, an inner sleeve, an adjusting block, an adjusting plug screw and a plug; the inner sleeve is used for being sleeved on the smooth surface shaft and tightly holding the smooth surface shaft, and the material hardness of the inner sleeve is lower than the surface hardness of the smooth surface shaft;
the outer sleeve and the inner sleeve are sleeved, the outer sleeve and the inner sleeve are in sliding sealing fit, a radial annular groove is formed in the inner wall surface of the outer sleeve and one of the outer wall surfaces of the inner sleeve, the radial annular groove is sealed into a pressure cavity after the outer sleeve and the inner sleeve are sleeved, and the outer sleeve is provided with a radial oil filling hole and an adjusting through hole;
the radial oil injection hole and the adjusting through hole are communicated with the radial annular groove, and the adjusting through hole is formed in the radial annular groove;
the plug is in sealing fixed fit with the radial oil filling hole; the adjusting block is provided with a threaded hole, the adjusting block and the outer sleeve are fixed into a whole, and the threaded hole is coaxial with the adjusting through hole;
the adjusting screw plug is a step shaft, the thin shaft part is an optical shaft and is in sliding sealing fit with the adjusting through hole, and the thin shaft part plays a role of a piston; the thick shaft part is an external thread shaft and is in threaded fit with the threaded hole, and the axial displacement of the screw plug can be adjusted by rotating the thick shaft part;
when the adjusting screw plug is displaced inwards to compress the space in the pressure cavity, the inner sleeve can deform under the action of pressure and tightly hold the smooth surface shaft.
6. The method of claim 1, wherein: the hardness of the material of the inner sleeve is lower than HRC 35.
7. The method of claim 1, wherein: the radial ring groove is arranged on the inner sleeve, and the ratio of the wall thickness of the radial ring groove to the wall thickness of the inner sleeve is lower than 0.5.
8. The method of claim 1, wherein: the radial ring groove is formed in the outer sleeve, and the wall thickness of the inner sleeve ranges from 3mm to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192566.0A CN112405023A (en) | 2020-10-30 | 2020-10-30 | Holding device for smooth shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192566.0A CN112405023A (en) | 2020-10-30 | 2020-10-30 | Holding device for smooth shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112405023A true CN112405023A (en) | 2021-02-26 |
Family
ID=74828260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192566.0A Pending CN112405023A (en) | 2020-10-30 | 2020-10-30 | Holding device for smooth shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112405023A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2811328A1 (en) * | 1978-03-16 | 1979-09-27 | Bosch Gmbh Robert | TOOL HOLDER |
| CN202239897U (en) * | 2011-09-15 | 2012-05-30 | 武汉钢铁(集团)公司 | Hydraulic cutter tension device for circle shear |
| CN103737340A (en) * | 2013-11-22 | 2014-04-23 | 重庆盾铭电磁阀有限公司 | Clamping device with thread |
| CN205614516U (en) * | 2015-12-30 | 2016-10-05 | 王宾 | Positioner is held tightly in pneumatics |
| CN108138853A (en) * | 2015-09-23 | 2018-06-08 | 巴什卡传动机械股份公司 | Hydraulic clamp, the system including the device and the method for interconnection hub and axis |
-
2020
- 2020-10-30 CN CN202011192566.0A patent/CN112405023A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2811328A1 (en) * | 1978-03-16 | 1979-09-27 | Bosch Gmbh Robert | TOOL HOLDER |
| CN202239897U (en) * | 2011-09-15 | 2012-05-30 | 武汉钢铁(集团)公司 | Hydraulic cutter tension device for circle shear |
| CN103737340A (en) * | 2013-11-22 | 2014-04-23 | 重庆盾铭电磁阀有限公司 | Clamping device with thread |
| CN108138853A (en) * | 2015-09-23 | 2018-06-08 | 巴什卡传动机械股份公司 | Hydraulic clamp, the system including the device and the method for interconnection hub and axis |
| CN205614516U (en) * | 2015-12-30 | 2016-10-05 | 王宾 | Positioner is held tightly in pneumatics |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210226 |