CN114278673A - Manual assembly method for miniature bearing - Google Patents
Manual assembly method for miniature bearing Download PDFInfo
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- CN114278673A CN114278673A CN202111669222.9A CN202111669222A CN114278673A CN 114278673 A CN114278673 A CN 114278673A CN 202111669222 A CN202111669222 A CN 202111669222A CN 114278673 A CN114278673 A CN 114278673A
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- bearing
- outer ring
- retainer
- inner ring
- ball
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000011179 visual inspection Methods 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a manual assembling method of a miniature bearing, which comprises the following steps: step 1), taking out the inner ring and the outer ring from a product to be fed, horizontally placing the inner ring and the outer ring on a fitting tool, and step 2), adding a steel ball into an eccentric space between the inner ring and the outer ring to form a bearing after the inner ring and the outer ring are fitted, wherein a limiting column and a limiting hole are arranged on the bearing; step 3), manually correcting the inner ring and the outer ring to enable the inner ring and the outer ring to be concentric; step 4), judging whether the steel balls exceed the limiting holes through visual inspection, and judging the number of the steel balls; step 5), placing the gathered bearing on a ball separating tool; step 6), manually placing the bearing retainer on a retainer pressing tool; step 7), aligning the ball-divided bearing with a bearing retainer, and placing the bearing on a retainer pressing tool; and 8) pressing the bearing to enable the spring on the retainer pressing tool to press the bearing retainer into the bearing to complete assembly.
Description
Technical Field
The invention relates to the technical field of bearing assembly, in particular to a manual assembly method of a miniature bearing.
Background
The bearing is a key part in the mechanical industry, the quality of the bearing can greatly influence the performance of the machine, the quality and the reliability of the bearing are important quality of the health of one machine, if the bearing is defective, the vibration and the noise of the machine can be caused, the working efficiency of the machine is reduced, and even the machine is in failure and can not work seriously.
Most of the existing bearings assembled manually meet the requirement of filling steel balls, and then the most steel balls are loaded to ensure that the bearings are not scattered, and when the steel balls in the miniature bearings are designed specially, the mode of manually counting the steel balls is adopted for assembling and fitting. The existing hand tool assembling method can not effectively control the eccentric amount and can not reduce the effect of the inner space of the bearing assembly.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages and drawbacks of the prior art and providing a method for manually assembling a micro bearing.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a manual assembling method for a miniature bearing is characterized by comprising the following steps:
step 1), firstly, taking out an inner ring and an outer ring from a product to be fed, and then horizontally placing the inner ring and the outer ring on a sleeve fitting tool for sleeve fitting, wherein the inner ring is placed in the inner diameter of an eccentric circle, and the outer ring is placed outside the outer diameter of the eccentric circle, so that the inner ring and the outer ring are placed in an eccentric state;
step 2), after the inner ring and the outer ring are completely sleeved, adding a steel ball into an eccentric space between the inner ring and the outer ring to form a bearing, wherein a limiting column and a limiting hole are arranged on the bearing;
step 3), manually correcting the inner ring and the outer ring to enable the inner ring and the outer ring to be concentric;
step 4), judging whether the steel balls exceed the limiting holes in a manual visual inspection mode, and judging the number of the steel balls;
step 5), horizontally placing the gathered bearing on a ball separating tool for ball separating operation;
step 6), manually placing the bearing retainer on a retainer pressing tool;
step 7), aligning the ball-divided bearing with a bearing retainer, and horizontally placing the bearing on a retainer pressing tool;
and 8) finally, pressing the bearing by a spring on the retainer pressing tool to press the bearing retainer into the bearing to finish assembly.
In a preferred embodiment of the present invention, in step 1), the sleeve-closing tool includes a sleeve-closing mold base installed on the base and used for placing the inner ring and the outer ring, and the sleeve-closing mold base is arranged in a T-shaped structure.
In a preferred embodiment of the present invention, in the step 2), after the steel ball is filled with the required steel ball, the position of the limiting column is obtained, and a limiting hole is formed at a position where the limiting position at the other end of the steel ball deviates by 1 ball.
In a preferred embodiment of the present invention, in the step 5), the ball distributing tool includes a ball distributing mold base installed on the base, and a plurality of ball distributing columns arranged on the ball distributing mold base and used for performing a ball distributing operation on the bearing.
In a preferred embodiment of the present invention, in step 6), the holder pressing tool includes a pressing die base installed on the base, a holder pressing die connected to the pressing die base, and a spring connected to the holder pressing die, and a fixing mandrel for assisting the bearing holder to be pressed into the bearing is disposed on the spring.
In a preferred embodiment of the invention, the outer diameter of the retainer pressing die is larger than the outer diameter of the bearing retainer and smaller than the inner diameter of the outer ring of the bearing, so that the phenomenon that the pressing is not in place due to deformation is prevented.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention changes the original crescent structure into an eccentric circle structure, thereby playing the roles of effectively controlling the eccentric amount and reducing the inner space of bearing assembly. On the basis, the eccentric inner limiting function is added, so that the number of the inner steel balls can be controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the bearing of the present invention.
Fig. 2 is a schematic structural view of the fitting tool of the present invention.
Fig. 3 is a schematic view of the state of the sleeving tool before being closed.
Fig. 4 is a schematic view of the sleeved tool after being gathered.
FIG. 5 is a schematic structural view of the ball separating tool of the present invention.
Fig. 6 is a schematic structural diagram of the cage pressing tool of the invention.
Fig. 7 is a schematic structural diagram of the integral assembling tool of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Referring to fig. 1 to 7, a manual assembling method of a micro bearing includes the following steps:
step 1), firstly, taking out the inner ring 1 and the outer ring 2 from a product to be fed, then horizontally placing the inner ring 1 and the outer ring 2 on the sleeve assembling tool 100 for assembling, placing the inner ring 1 inside the eccentric circle inner diameter, and placing the outer ring 2 outside the eccentric circle outer diameter, so that the inner ring 1 and the outer ring 2 are placed in an eccentric state. Preferably, the sleeve assembling tool 100 comprises a sleeve assembling die base 110 which is installed on the base a and used for placing the inner ring 1 and the outer ring 2, and the sleeve assembling die base 110 is arranged in a T-shaped structure.
Step 2), after the inner ring 1 and the outer ring 2 are completely sleeved, adding a steel ball 3 into an eccentric space between the inner ring 1 and the outer ring 2 to form a bearing 10, wherein a limiting column 11 and a limiting hole 12 are arranged on the bearing 10; preferably, after the steel ball 3 is filled with the required steel ball, the position of the limiting column 11 is obtained, and a limiting hole 12 is arranged at the position of the other end of the steel ball 3, which has the limit position deviated by 1 ball.
Step 3), manually aligning the inner ring 1 and the outer ring 2 to enable the inner ring 1 and the outer ring 2 to be concentric; the bearing 10 is not yet assembled.
Step 4), judging whether the steel balls 3 exceed the limiting holes 12 or not in a manual visual inspection mode, and judging the number of the steel balls; and when the number of the steel balls is judged, the bearing 10 is gathered.
Step 5), horizontally placing the gathered bearing 10 on a ball separating tool 200 to perform ball separating operation; preferably, the ball separating tool 200 includes a ball separating mold base 210 mounted on the base a and a plurality of ball separating columns 220 disposed on the ball separating mold base 210 and used for performing the ball separating operation on the bearing 10. Each ball distributing column is arranged on the base of the ball distributing die at intervals, and a gap for matching the steel balls of the bearing is formed between every two adjacent ball distributing columns.
Step 6), manually placing the bearing retainer on the retainer pressing tool 300; preferably, the holder pressing tool 300 includes a pressing die base 310 installed on the base a, a holder pressing die 320 connected to the pressing die base 310, and a spring 330 connected to the holder pressing die 320, and the spring 330 is provided with a fixing mandrel 340 for assisting the bearing holder to be pressed into the bearing 10.
Step 7), aligning the ball-separated bearing 10 with a bearing retainer, and horizontally placing the bearing 10 on a retainer pressing tool 300;
and 8) finally, pressing the bearing 10 to enable the spring 340 on the retainer pressing tool 300 to press the bearing retainer into the bearing 10, and finishing assembly. Preferably, the outer diameter of the cage pressing mold 320 is larger than the outer diameter of the bearing cage and smaller than the inner diameter of the outer ring of the bearing 10, preventing the pressing from being insufficient due to the deformation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A manual assembling method for a miniature bearing is characterized by comprising the following steps:
step 1), firstly, taking out an inner ring and an outer ring from a product to be fed, and then horizontally placing the inner ring and the outer ring on a sleeve fitting tool for sleeve fitting, wherein the inner ring is placed in the inner diameter of an eccentric circle, and the outer ring is placed outside the outer diameter of the eccentric circle, so that the inner ring and the outer ring are placed in an eccentric state;
step 2), after the inner ring and the outer ring are completely sleeved, adding a steel ball into an eccentric space between the inner ring and the outer ring to form a bearing, wherein a limiting column and a limiting hole are arranged on the bearing;
step 3), manually correcting the inner ring and the outer ring to enable the inner ring and the outer ring to be concentric;
step 4), judging whether the steel balls exceed the limiting holes in a manual visual inspection mode, and judging the number of the steel balls;
step 5), horizontally placing the gathered bearing on a ball separating tool for ball separating operation;
step 6), manually placing the bearing retainer on a retainer pressing tool;
step 7), aligning the ball-divided bearing with a bearing retainer, and horizontally placing the bearing on a retainer pressing tool;
and 8) finally, pressing the bearing by a spring on the retainer pressing tool to press the bearing retainer into the bearing to finish assembly.
2. The manual assembling method for the micro bearing according to claim 1, wherein in the step 1), the sleeve assembling tool comprises a sleeve assembling die base which is installed on a base and used for placing the inner ring and the outer ring, and the sleeve assembling die base is arranged in a T-shaped structure.
3. The manual assembling method for the micro bearing according to claim 1, wherein in the step 2), after the required steel ball is filled, the position of the limiting column is obtained, and a limiting hole is formed at the position where the limit position of the other end of the steel ball deviates by 1 ball.
4. The manual assembling method for the micro bearing according to claim 1, wherein in the step 5), the ball distributing tool comprises a ball distributing mold base installed on the base and a plurality of ball distributing columns arranged on the ball distributing mold base and used for carrying out ball distributing operation on the bearing.
5. The manual assembling method for the miniature bearing according to claim 1, wherein in the step 6), the retainer pressing tool comprises a pressing die base installed on the base, a retainer pressing die connected with the pressing die base, and a spring connected with the retainer pressing die, and a fixing mandrel for assisting the bearing retainer to be pressed into the bearing is arranged on the spring.
6. The manual assembling method of a micro-bearing according to claim 5, wherein the outer diameter of the holder pressing mold is larger than the outer diameter of the bearing holder and smaller than the inner diameter of the outer ring of the bearing, so as to prevent the pressing from being insufficient due to the deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669222.9A CN114278673A (en) | 2021-12-31 | 2021-12-31 | Manual assembly method for miniature bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669222.9A CN114278673A (en) | 2021-12-31 | 2021-12-31 | Manual assembly method for miniature bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114278673A true CN114278673A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111669222.9A Pending CN114278673A (en) | 2021-12-31 | 2021-12-31 | Manual assembly method for miniature bearing |
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| CN (1) | CN114278673A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042165A (en) * | 2001-07-31 | 2003-02-13 | Ntn Corp | Rolling bearing and its assembling method |
| CN201434022Y (en) * | 2009-05-08 | 2010-03-31 | 王光伟 | Bearing bead embedding die set |
| CN108278280A (en) * | 2017-12-27 | 2018-07-13 | 洛阳轴承研究所有限公司 | A kind of assembly method of deep groove ball bearing secondary series rolling element |
| CN110725865A (en) * | 2019-09-19 | 2020-01-24 | 浙江八环轴承股份有限公司 | Assembling method of combined bearing |
| CN211693267U (en) * | 2019-12-31 | 2020-10-16 | 广德中隆轴承有限公司 | Bearing ball separating and nylon retainer pressing-in device |
| CN212775217U (en) * | 2020-05-13 | 2021-03-23 | 洛阳鑫凯轴承科技有限公司 | Precise bearing processing is with closing cover appearance |
-
2021
- 2021-12-31 CN CN202111669222.9A patent/CN114278673A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042165A (en) * | 2001-07-31 | 2003-02-13 | Ntn Corp | Rolling bearing and its assembling method |
| CN201434022Y (en) * | 2009-05-08 | 2010-03-31 | 王光伟 | Bearing bead embedding die set |
| CN108278280A (en) * | 2017-12-27 | 2018-07-13 | 洛阳轴承研究所有限公司 | A kind of assembly method of deep groove ball bearing secondary series rolling element |
| CN110725865A (en) * | 2019-09-19 | 2020-01-24 | 浙江八环轴承股份有限公司 | Assembling method of combined bearing |
| CN211693267U (en) * | 2019-12-31 | 2020-10-16 | 广德中隆轴承有限公司 | Bearing ball separating and nylon retainer pressing-in device |
| CN212775217U (en) * | 2020-05-13 | 2021-03-23 | 洛阳鑫凯轴承科技有限公司 | Precise bearing processing is with closing cover appearance |
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