CN109894896B - Fixing device for bearing machining - Google Patents
Fixing device for bearing machining Download PDFInfo
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- CN109894896B CN109894896B CN201910261527.2A CN201910261527A CN109894896B CN 109894896 B CN109894896 B CN 109894896B CN 201910261527 A CN201910261527 A CN 201910261527A CN 109894896 B CN109894896 B CN 109894896B
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Abstract
The invention belongs to the field of bearing processing, and particularly relates to a fixing device for bearing processing, which comprises a base, wherein the lower end of the base is fixedly connected with a supporting mechanism, a cavity is arranged in the base, a plurality of U-shaped pipes are fixedly connected to the side wall of the base, the lower ports of the U-shaped pipes are communicated with the cavity, the upper ports of the U-shaped pipes are hermetically and slidably connected with piston columns, and one ends of the piston columns, which are positioned outside the U-shaped pipes, are fixedly connected with arc-shaped clamping plates; the upper end fixedly connected with standpipe of base, standpipe and the corresponding position of arc splint are equipped with the annular and cave in, and fixedly connected with annular gasbag in the annular is sunken, fixedly connected with annular layer board on the lateral wall of standpipe, and the fixed pipe of fixedly connected with in the standpipe is equipped with the internal thread on the inside wall of fixed pipe, and fixed intraductal dwang that runs through to be equipped with. The bearing clamping and fixing device is simple in operation steps and low in difficulty, can help to improve the machining efficiency, has a good clamping and fixing effect on the bearing, and reduces damage to the bearing.
Description
Technical Field
The invention belongs to the field of bearing machining, and particularly relates to a fixing device for bearing machining.
Background
The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process and ensure the rotation precision of the mechanical rotating body.
Part precision bearing still need carry out degree of depth processing to its terminal surface and oilhole in the manufacturing process, need utilize the fixing base to fix the bearing, and traditional bearing fixing base operation is comparatively loaded down with trivial details, needs substep to fix the outer lane and the inner circle of bearing, directly influences the efficiency of processing, and simultaneously, the area of contact between traditional bearing fixing base and the bearing lateral wall is limited, if the centre gripping dynamics is too big, leads to the bearing lateral wall to appear impaired condition easily.
Therefore, a fixing device for bearing processing is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a fixing device for processing a bearing, which is simple to operate and has good fixing effect.
In order to achieve the purpose, the invention adopts the following technical scheme: a fixing device for bearing processing comprises a base, wherein a supporting mechanism is fixedly connected to the lower end of the base, a cavity is formed in the base, a plurality of U-shaped tubes are fixedly connected to the side wall of the base, the lower end ports of the U-shaped tubes are communicated with the cavity, piston columns are connected to the upper end ports of the U-shaped tubes in a sealing and sliding mode, and arc-shaped clamping plates are fixedly connected to one ends, located outside the U-shaped tubes, of the piston columns;
the air bag type air bag lifting device comprises a base, and is characterized in that a vertical pipe is fixedly connected to the upper end of the base, an annular recess is formed in the position, corresponding to an arc-shaped clamping plate, of the vertical pipe, an annular air bag is fixedly connected to the inner side wall of the annular recess, an annular supporting plate is fixedly connected to the outer side wall of the vertical pipe, a fixing pipe is fixedly connected to the inner side wall of the vertical pipe, an internal thread is formed in the inner side wall of the fixing pipe, a rotating rod penetrates through the fixing pipe, an external thread matched with the internal thread is formed in the rotating rod, the lower end of the rotating rod extends into a cavity and is rotatably connected with;
the downside of fixed pipe is equipped with the closing plate of being connected with the sealed rotation of standpipe, the closing plate is fixed to be cup jointed outside the dwang, the last lateral wall of closing plate forms airtight space jointly with the inside wall of standpipe, annular gasbag is linked together through a plurality of passageways and airtight space.
In the fixing device for processing the bearing, the supporting mechanism comprises supporting blocks fixedly connected to four corners of the lower end of the base.
In the above-described fixing device for bearing processing, the support mechanism includes a support cover fixedly connected to a lower end of the base.
In the fixing device for bearing processing, the piston column is made of a permanent magnet, and the enclosed space is filled with magnetorheological fluid.
Compared with the prior art, this fixing device for bearing processing's advantage lies in:
1. according to the invention, by arranging the annular air bag, the U-shaped pipe and the arc-shaped clamping plate, when the bearing needs to be fixed, only the rotating rod needs to be rotated, and on one hand, gas in the closed space is respectively squeezed into the annular air bag to fix the inner ring of the bearing; on the other hand, partial gas in the cavity enters the U-shaped pipe to slide out the piston column, the outer ring of the bearing is fixed by the arc-shaped clamping plate, the whole fixing process is simple to operate, and meanwhile, the contact surface between the annular air bag and the arc-shaped clamping plate and the side wall of the bearing is large, so that the fixing effect on the bearing is good.
2. According to the invention, by arranging the supporting cover, when the connecting plate moves upwards to enable the elastic membrane to swell upwards, the space formed between the supporting cover and the workbench is enlarged, the air pressure is reduced, and the supporting cover can be tightly adsorbed on the workbench under the action of the atmospheric pressure, so that the whole fixing device can be more stably fixed on the workbench.
3. According to the invention, by arranging the magnetorheological fluid, when the piston column moves towards the vertical pipe, the magnetic field applied to the magnetorheological fluid becomes strong, a curing state can appear, the deformation of the air bag can be reduced, and the bearing fixing effect is further improved.
Drawings
FIG. 1 is a perspective view showing the structure of an embodiment 1 of a fixing device for bearing machining according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic top view of a fixing device for bearing machining in accordance with an embodiment 1 of the present invention;
FIG. 4 is a perspective view of the embodiment 2 of the fixing device for bearing machining provided by the invention;
fig. 5 is a perspective view showing the structure of embodiment 3 of the fixing device for bearing processing according to the present invention.
In the figure, 1 base, 2 cavities, 3U-shaped pipes, 4 piston columns, 5 arc-shaped clamping plates, 6 vertical pipes, 7 annular air bags, 8 annular supporting plates, 9 fixed pipes, 10 rotating rods, 11 connecting plates, 12 elastic membranes, 13 air holes, 14 sealing plates, 15 closed spaces, 16 channels, 17 supporting blocks and 18 supporting covers.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-3, a fixing device for bearing processing includes a base 1, a supporting mechanism is fixedly connected to the lower end of the base 1, specifically, the supporting mechanism includes supporting blocks 17 fixedly connected to four corners of the lower end of the base 1, a cavity 2 is arranged in the base 1, a plurality of U-shaped tubes 3 are fixedly connected to the side wall of the base 1, two tube arms of the U-shaped tubes 3 are horizontally arranged, meanwhile, the two tube arms are located in the same vertical plane, the lower port of the U-shaped tube 3 is communicated with the cavity 2, the upper port of the U-shaped tube 3 is connected with a piston column 4 in a sealing and sliding manner, one end of the piston column 4 located outside the U-shaped tube 3 is fixedly connected with an arc-shaped clamping plate 5, and when the piston column 4 is in an initial state, the side wall of;
A fixed pipe 9 is fixedly connected in the vertical pipe 6, an internal thread is arranged on the inner side wall of the fixed pipe 9, a rotating rod 10 penetrates through the fixed pipe 9, an external thread matched with the internal thread is arranged on the rotating rod 10, it is noted that the internal thread and the external thread are fine threads, the self-locking function is realized, the lower end of the rotating rod 10 extends into the cavity 2 and is rotatably connected with a connecting plate 11, the connecting plate 11 is fixedly connected with the inner bottom surface of the cavity 2 through an elastic membrane 12, the elastic membrane 12 can be made of elastic materials such as silica gel, and a plurality of air holes 13 are formed in the bottom of the base;
the downside of fixed pipe 9 is equipped with the sealed closing plate 14 of rotating the connection with standpipe 6, and closing plate 14 is fixed to cup joint outside dwang 10, and the lateral wall forms airtight space 15 jointly with standpipe 6's inside wall on closing plate 14, and annular gasbag 7 is linked together through a plurality of passageways 16 and airtight space 15.
When the bearing is fixed, firstly, an inner ring of the bearing penetrates through the vertical pipe 6 and is placed at the upper end of the annular supporting plate 8, then the rotating rod 10 is rotated, the rotating rod 10 moves upwards and drives the sealing plate 14 and the connecting plate 11 to move upwards, when the sealing plate 14 moves upwards, the volume of the closed space 15 is reduced, gas in the closed space is discharged into the annular air bag 7 through the channel 16, the annular air bag 7 is expanded, and the annular air bag 7 is in contact with the inner ring of the bearing and fixes the inner ring of the bearing;
meanwhile, 11 rebound of connecting plate make elastic membrane 12 upwards protruding, make 2 volumes of cavity of 12 upsides of elastic membrane diminish, arrange gas to U type pipe 3 in, it should be said, though there is a small amount of gas to get into the space that standpipe 6 is located the closing plate 14 downside, but standpipe 6's diameter is far less than base 1's diameter, can ignore, promote piston post 4 outside side shift after gas gets into U type pipe 3, piston post 4 drives arc splint 5 and removes, utilize a plurality of arc splint 5 to fix the outer lane lateral wall of bearing, whole process operation steps are few, the degree of difficulty is low, can effectively improve the fixed efficiency to the bearing.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the supporting mechanism comprises a supporting cover 18 fixedly connected to the lower end of the base 1, and the supporting cover 18 is placed on the surface of the workbench in a sealing mode.
In this embodiment, when the connection plate 11 moves upward to make the elastic membrane 12 protrude upward, the space through which the cavity 2 below the elastic membrane 12 and the support cover 18 communicate becomes larger, the internal air pressure becomes smaller, and the support cover 18 is tightly attached to the worktable under the action of the external atmospheric pressure, thereby improving the fixing firmness of the support cover 18 and the worktable.
Example 3
As shown in fig. 5, the present embodiment is different from embodiment 2 in that: the piston column 4 is made of permanent magnets, the enclosed space 15 is filled with magnetorheological fluid, the magnetorheological fluid belongs to controllable fluid, and the magnetorheological fluid is a suspension formed by mixing micro soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid. The suspension has the characteristics of low viscosity Newtonian fluid under the condition of zero magnetic field; and under the action of strong magnetic field, it exhibits high viscosity and low flowability.
In this embodiment, when the piston column 4 moves towards the standpipe 6, the magnetic field that magnetorheological suspensions received becomes strong, can appear the state of solidification, can reduce the deformation volume of annular gasbag 7, further improves the fixed effect of counter bearing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The fixing device for bearing machining comprises a base (1) and is characterized in that a supporting mechanism is fixedly connected to the lower end of the base (1), a cavity (2) is formed in the base (1), a plurality of U-shaped tubes (3) are fixedly connected to the side wall of the base (1), the lower ports of the U-shaped tubes (3) are communicated with the cavity (2), piston columns (4) are connected to the upper ports of the U-shaped tubes (3) in a sealing and sliding mode, and arc-shaped clamping plates (5) are fixedly connected to one ends, located outside the U-shaped tubes (3), of the piston columns (4);
the upper end of the base (1) is fixedly connected with a vertical pipe (6), the vertical pipe (6) is provided with an annular recess at the position corresponding to the arc-shaped clamping plate (5), an annular air bag (7) is fixedly connected in the annular recess, an annular supporting plate (8) is fixedly connected on the outer side wall of the vertical pipe (6), a fixed pipe (9) is fixedly connected in the vertical pipe (6), internal threads are arranged on the inner side wall of the fixed pipe (9), a rotating rod (10) penetrates through the fixed pipe (9), an external thread matched with the internal thread is arranged on the rotating rod (10), the lower end of the rotating rod (10) extends into the cavity (2) and is rotatably connected with a connecting plate (11), the connecting plate (11) is fixedly connected with the inner bottom surface of the cavity (2) through an elastic film (12), and a plurality of air holes (13) are formed in the bottom of the base (1);
the lower side of the fixed pipe (9) is provided with a sealing plate (14) which is rotationally connected with the vertical pipe (6) in a sealing manner, the sealing plate (14) is fixedly sleeved outside the rotating rod (10), the upper side wall of the sealing plate (14) and the inner side wall of the vertical pipe (6) jointly form a closed space (15), and the annular air bag (7) is communicated with the closed space (15) through a plurality of channels (16).
2. The fixing device for bearing machining according to claim 1, characterized in that the supporting mechanism comprises supporting blocks (17) fixedly connected to four corners of the lower end of the base (1).
3. A fixture for bearing machining according to claim 1, characterised in that the support means comprise a support cage (18) fixedly attached to the lower end of the base (1).
4. The fixing device for bearing machining according to claim 3, wherein the piston column (4) is made of a permanent magnet, and magnetorheological fluid is filled in the closed space (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261527.2A CN109894896B (en) | 2019-04-02 | 2019-04-02 | Fixing device for bearing machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261527.2A CN109894896B (en) | 2019-04-02 | 2019-04-02 | Fixing device for bearing machining |
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| CN109894896A CN109894896A (en) | 2019-06-18 |
| CN109894896B true CN109894896B (en) | 2020-12-18 |
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| CN201910261527.2A Active CN109894896B (en) | 2019-04-02 | 2019-04-02 | Fixing device for bearing machining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168596B (en) * | 2019-10-11 | 2021-04-30 | 宁波柯力传感科技股份有限公司 | Pneumatic clamp device with sensor control |
| CN111015286B (en) * | 2019-12-23 | 2020-12-22 | 重庆金华兴门业有限公司 | Plate cutting and positioning device |
| CN111843545A (en) * | 2020-07-13 | 2020-10-30 | 丽水市莲都区升嘉文凯模具厂 | A lasso clamping device for bearing processing |
| CN112207595A (en) * | 2020-09-07 | 2021-01-12 | 河南中烟工业有限责任公司 | Self-cleaning type cigarette case sheet cutting device |
| CN112658704B (en) * | 2020-12-09 | 2022-12-09 | 湖南平江县康品农林有限公司 | Rotary-cut, shaping and chamfering integrated processing machine for planting box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01210238A (en) * | 1988-02-16 | 1989-08-23 | Nec Corp | Circular thin plate holding device |
| JP3160530B2 (en) * | 1996-07-01 | 2001-04-25 | 日本碍子株式会社 | Inner circumference chuck device for ring members |
| CN108481045A (en) * | 2018-06-20 | 2018-09-04 | 薛方德 | A kind of inner ring fixing device for Production of bearing processing |
| CN108838888A (en) * | 2018-08-28 | 2018-11-20 | 永春宏达工业设计有限公司 | Auxiliary clamp is used in a kind of processing of bearing holder (housing, cover) grinding machine |
| CN109227274A (en) * | 2018-11-19 | 2019-01-18 | 耒阳新达微科技有限公司 | A kind of bearing burr remover |
-
2019
- 2019-04-02 CN CN201910261527.2A patent/CN109894896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01210238A (en) * | 1988-02-16 | 1989-08-23 | Nec Corp | Circular thin plate holding device |
| JP3160530B2 (en) * | 1996-07-01 | 2001-04-25 | 日本碍子株式会社 | Inner circumference chuck device for ring members |
| CN108481045A (en) * | 2018-06-20 | 2018-09-04 | 薛方德 | A kind of inner ring fixing device for Production of bearing processing |
| CN108838888A (en) * | 2018-08-28 | 2018-11-20 | 永春宏达工业设计有限公司 | Auxiliary clamp is used in a kind of processing of bearing holder (housing, cover) grinding machine |
| CN109227274A (en) * | 2018-11-19 | 2019-01-18 | 耒阳新达微科技有限公司 | A kind of bearing burr remover |
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Effective date of registration: 20201201 Address after: No.3 Zhongqiu Road, qiuchuan Town, Changshan County, Quzhou City, Zhejiang Province Applicant after: ZHEJIANG HONGYI BEARING Co.,Ltd. Address before: No. 73 City North East Street, Changzhi, Shanxi Province Applicant before: Bao Cunming |
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Denomination of invention: A kind of fixing device for bearing processing Effective date of registration: 20220904 Granted publication date: 20201218 Pledgee: Zhejiang Tailong commercial bank Limited by Share Ltd. Quzhou Changshan branch Pledgor: ZHEJIANG HONGYI BEARING Co.,Ltd. Registration number: Y2022330002051 |