CN102270905A - Mini motor assembly fixture and method for assembling mini motor casing and motor central shaft - Google Patents
Mini motor assembly fixture and method for assembling mini motor casing and motor central shaft Download PDFInfo
- Publication number
- CN102270905A CN102270905A CN2011102112741A CN201110211274A CN102270905A CN 102270905 A CN102270905 A CN 102270905A CN 2011102112741 A CN2011102112741 A CN 2011102112741A CN 201110211274 A CN201110211274 A CN 201110211274A CN 102270905 A CN102270905 A CN 102270905A
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- motor
- positioning sleeve
- erection column
- motor axis
- motor case
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- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a mini motor assembly fixture and an assembly method. The mini motor assembly fixture comprises a base and a mounting column arranged on the base, wherein the upper end of the mounting column is a casing positioning end at which a motor casing is sleeved; a central hole is formed in the center of the upper end of the mounting column, through which a motor central shaft passes; the fixture further comprises a positioning sleeve sleeved outside the mounting column and an ejector movably inserted in the positioning sleeve; the inner wall of the positioning sleeve is in sliding contact with the outer wall of the motor casing; the height of the positioning sleeve is higher than that of the mounting column; and the ejector, the inner bore of the positioning sleeve, the casing positioning end and the central hole are all coaxial. The fixture disclosed by the invention has a simple structure and is convenient to use; and the method using the fixture can be used for completing the assembly operation more rapidly, ensuring the product assembly quality more stable and greatly reducing the rejection rate of products. The motor casing and the motor central shaft are protected against deformation during assembly and keep firm and stable after assembly. The concentricity and coaxiality are improved, and the performances in all aspects can satisfy the design requirements.
Description
Technical field
The present invention relates to a kind of miniature motor packaging technology.
Background technology
Be shaft-assembling structure schematic diagram in existing a kind of miniature motor shell and the motor as shown in Figure 1.This motor case 5 is stamping forming thin cylinder shape with motor axis 6.Wherein motor case is a tubbiness, and bottom centre's outward flanging forms the hole of interting the motor axis.The motor axis is the housing of step axle shape, and end external diameter hole interference fit big, that be used for bottom motor case is located.In the assembling of existing motor case and motor axis, generally be to be positioned the bigger end of motor axis external diameter on the special fixture up earlier, then motor case is placed in outside the motor axis from top to down, the bigger end of shaft diameter in the motor is snapped in the hole of motor case bottom.Because between motor case and the motor axis be interference fit, so the motor axis is subjected to the extruding easy deformation of motor case when assembling, and influences motor axis and motor case and assembles firm degree and concentricity.
Summary of the invention
In view of this, one of the technical problem to be solved in the present invention provides a kind of easy to use, firm miniature motor assembled fixture of assembling back product structure.
Thus, the present invention adopts following scheme to realize:
A kind of miniature motor assembled fixture, comprise a base, base is provided with an erection column, the erection column upper end is the shell positioning end of sheathed motor case, center, erection column upper end is provided with the centre bore of interspersed motor axis, this tool comprises that also one is placed in outer positioning sleeve of erection column and the movable thimble that is interspersed in the positioning sleeve, positioning sleeve inwall and the sliding contact of motor case outer wall, the positioning sleeve height is higher than the erection column height, thimble, positioning sleeve endoporus, shell positioning end and the equal concentric of centre bore.
Wherein, the lower end that contacts with the motor axis of described thimble is provided with one and is used for preventing that the motor axis is out of shape, is interspersed in the top of motor axis when being pressed into motor case.
In addition, another technical problem that the present invention will solve provides a kind of miniature motor shell and motor axis assemble method, and this method can guarantee motor case and motor axis assembling back firm stable, reaches the product design requirement.
Thus, the present invention adopts following scheme to realize:
A kind of miniature motor shell and motor axis assemble method, special-purpose assembled fixture is adopted in this assembling, this tool comprises a base, base is provided with an erection column, the erection column upper end is the shell positioning end of sheathed motor case, center, erection column upper end is provided with the centre bore of interspersed motor axis, this tool comprises that also one is placed in outer positioning sleeve of erection column and the movable thimble that is interspersed in the positioning sleeve, positioning sleeve inwall and the sliding contact of motor case outer wall, the positioning sleeve height is higher than the erection column height, the lower end that thimble contacts with the motor axis is provided with one and is used to prevent that the motor axis is out of shape when being pressed into motor case, be interspersed in top in the motor axis, thimble, the positioning sleeve endoporus, the equal concentric of shell positioning end and centre bore, this method comprises the steps:
A, motor case is placed in the shell positioning end, then the motor axis is interspersed in the motor case,
B, positioning sleeve is placed on motor case and the erection column,
C, thimble is interted in the positioning sleeve, and make top extending in the motor axis upper end downwards, press down thimble again motor axis upper end is entered in the motor case fully, finish the assembling of motor case and motor axis.
The jig structure that the present invention discloses is succinct, easy to use, it is quicker that the method for combination can make assembling work with it, product assembly quality is more stable, can reduce the fraction defective of product greatly, when assembling, can guarantee that motor case and motor axis can not be out of shape, assembling back firm stable, concentricity and axiality height, various aspects of performance all can meet design requirement.
Description of drawings
Fig. 1 is shaft-assembling structure schematic diagram in existing miniature motor shell and the motor;
Fig. 2 is an embodiment of the invention miniature motor assembled fixture structural representation;
Fig. 3 is a present embodiment tool cross-sectional view;
Fig. 4 is a present embodiment tool decomposing state structural representation;
Fig. 5～Figure 12 is for adopting present embodiment tool assembling motor case and motor axis schematic flow sheet.
Embodiment
For ease of those skilled in the art's understanding, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Shown in accompanying drawing 1～4.The miniature motor assembled fixture that present embodiment discloses is used to assemble the motor case 5 and the motor axis 6 of the miniature motor as shown in accompanying drawing 1, and concentricity, axiality, the peel strength that can satisfy two parts by motor case 5 after this tool assembling and motor axis 6 all have strict demand.
In the present embodiment, the miniature motor assembled fixture that is adopted comprises a base 1, and base 1 is provided with an erection column 2, and erection column 2 upper ends are the shell positioning end 21 of sheathed motor case 5, and center, erection column 2 upper end is provided with the centre bore 22 of interspersed motor axis 6.In addition, this tool comprises that also one is placed in positioning sleeve 3 and the movable thimble 4 that is interspersed in the positioning sleeve 3 outside the erection column 2, positioning sleeve 3 inwalls and motor case 5 outer wall sliding contacts, positioning sleeve 3 highly is higher than erection column 2 height, thimble 4, positioning sleeve 3 endoporus, shell positioning end 21 and centre bore 22 equal concentrics.In order to prevent that motor axis 6 is out of shape when being pressed into motor case 5, the lower end that thimble 4 contacts with motor axis 6 is provided with one and is interspersed in top 41 in the motor axis 6.This tool cooperates accurately by each parts, can easily motor axis 6 be installed in the motor case 5, and the defective that motor axis 6 is out of shape can not occur, can guarantee concentricity, axiality, the peel strength of motor axis 6 and motor case 5, greatly reduce the fraction defective of product.
Accompanying drawing 5～12 is depicted as the schematic flow sheet that adopts above-mentioned tool assembling motor case 5 and motor axis 6 for another example.Below in conjunction with accompanying drawing such motor case 5 is described with motor axis 6 assemble methods.
This method comprises the steps:
At first motor case 5 is placed in shell positioning end 21,, then motor axis 6 is interspersed in the motor case 5, as accompanying drawing 7～shown in Figure 8 as accompanying drawing 5～shown in Figure 6; Again positioning sleeve 3 is placed on motor case 5 and the erection column 2, as accompanying drawing 9～shown in Figure 10; Afterwards thimble 4 is interted in the positioning sleeve 3, and make top 41 to extend in motor axis 6 upper ends downwards, press down thimble 41 again motor axis 6 upper ends are entered in the motor case 5 fully, finish the assembling of motor case 5 and motor axis 6 thus, as accompanying drawing 11～shown in Figure 12.
Can find out by said method, adopt this tool and method assembling motor case 5 and motor axis 6 very convenient, quick, improve the production rate greatly.
The foregoing description is a better embodiment of the present invention only, need to prove, has other conspicuous variations down based on this design, and such variation is within the claim protection range of the present invention.
Claims (3)
1. miniature motor assembled fixture, comprise a base (1), it is characterized in that: base is provided with an erection column (2), the erection column upper end is the shell positioning end (21) of sheathed motor case, center, erection column upper end is provided with the centre bore (22) of interspersed motor axis, this tool comprises that also one is placed in outer positioning sleeve (3) of erection column and the movable thimble (4) that is interspersed in the positioning sleeve, positioning sleeve inwall and the sliding contact of motor case outer wall, the positioning sleeve height is higher than erection column height, thimble, the positioning sleeve endoporus, the equal concentric of shell positioning end and centre bore.
2. miniature motor assembled fixture according to claim 1 is characterized in that: the lower end that described thimble contacts with the motor axis is provided with one and is used for preventing that the motor axis is out of shape, is interspersed in top (41) of motor axis when being pressed into motor case.
3. miniature motor shell and motor axis assemble method, it is characterized in that, special-purpose assembled fixture is adopted in this assembling, this tool comprises a base (1), base is provided with an erection column (2), the erection column upper end is the shell positioning end (21) of sheathed motor case (5), center, erection column upper end is provided with the centre bore (22) of interspersed motor axis (6), this tool comprises that also one is placed in outer positioning sleeve (3) of erection column and the movable thimble (4) that is interspersed in the positioning sleeve, positioning sleeve inwall and the sliding contact of motor case outer wall, the positioning sleeve height is higher than the erection column height, the lower end that thimble contacts with the motor axis is provided with one and is used to prevent that the motor axis is out of shape when being pressed into motor case, be interspersed in top (41) in the motor axis, thimble, the positioning sleeve endoporus, the equal concentric of shell positioning end and centre bore, this method comprises the steps:
A, motor case is placed in the shell positioning end, then the motor axis is interspersed in the motor case,
B, positioning sleeve is placed on motor case and the erection column,
C, thimble is interted in the positioning sleeve, and make top extending in the motor axis upper end downwards, press down thimble again motor axis upper end is entered in the motor case fully, finish the assembling of motor case and motor axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211274.1A CN102270905B (en) | 2011-07-27 | 2011-07-27 | Mini motor assembly fixture and method for assembling mini motor casing and motor central shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211274.1A CN102270905B (en) | 2011-07-27 | 2011-07-27 | Mini motor assembly fixture and method for assembling mini motor casing and motor central shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102270905A true CN102270905A (en) | 2011-12-07 |
| CN102270905B CN102270905B (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110211274.1A Expired - Fee Related CN102270905B (en) | 2011-07-27 | 2011-07-27 | Mini motor assembly fixture and method for assembling mini motor casing and motor central shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN102270905B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925168A (en) * | 2015-12-29 | 2017-07-07 | 三环瓦克华（北京）磁性器件有限公司 | Automatic power mixing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591855Y (en) * | 2002-12-26 | 2003-12-10 | 马志达科技股份有限公司 | Small size motor shell guide frame positioning structure |
| JP2004139650A (en) * | 2002-10-16 | 2004-05-13 | Sharp Corp | Turntable press fitting device |
| JP3955850B2 (en) * | 2004-01-21 | 2007-08-08 | 三菱電機株式会社 | Manufacturing method of motor |
| CN201038932Y (en) * | 2007-04-18 | 2008-03-19 | 许晓华 | A motor start belt wheel pressing assembly device |
| CN202121457U (en) * | 2011-07-27 | 2012-01-18 | 精鑫电子科技(惠州)有限公司 | Small motor assembling tool |
-
2011
- 2011-07-27 CN CN201110211274.1A patent/CN102270905B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004139650A (en) * | 2002-10-16 | 2004-05-13 | Sharp Corp | Turntable press fitting device |
| CN2591855Y (en) * | 2002-12-26 | 2003-12-10 | 马志达科技股份有限公司 | Small size motor shell guide frame positioning structure |
| JP3955850B2 (en) * | 2004-01-21 | 2007-08-08 | 三菱電機株式会社 | Manufacturing method of motor |
| CN201038932Y (en) * | 2007-04-18 | 2008-03-19 | 许晓华 | A motor start belt wheel pressing assembly device |
| CN202121457U (en) * | 2011-07-27 | 2012-01-18 | 精鑫电子科技(惠州)有限公司 | Small motor assembling tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925168A (en) * | 2015-12-29 | 2017-07-07 | 三环瓦克华（北京）磁性器件有限公司 | Automatic power mixing machine |
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| Publication number | Publication date |
|---|---|
| CN102270905B (en) | 2014-04-30 |
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Granted publication date: 20140430 Termination date: 20140727 |
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