CN203900847U - Lower mold clamping and positioning mechanism for performing press-fitting on draught fan rotor and motor shaft - Google Patents
Lower mold clamping and positioning mechanism for performing press-fitting on draught fan rotor and motor shaft Download PDFInfo
- Publication number
- CN203900847U CN203900847U CN201420360202.2U CN201420360202U CN203900847U CN 203900847 U CN203900847 U CN 203900847U CN 201420360202 U CN201420360202 U CN 201420360202U CN 203900847 U CN203900847 U CN 203900847U
- Authority
- CN
- China
- Prior art keywords
- motor shaft
- counterdie
- fan rotor
- press
- fitting
- 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.)
- Expired - Fee Related
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses a lower mold clamping and positioning mechanism for performing press-fitting on a draught fan rotor and a motor shaft. The lower mold clamping and positioning mechanism for performing press-fitting on the draught fan rotor and the motor shaft comprises two baffle rods (1), wherein the end parts of the two baffle rods (1) are crossed and the two baffle rods (1) are integrally installed on a workbench of an oil press fixedly; the two baffle rods (1) are respectively tangential with a lower mold (4) positioned deadly below a punch of the oil press. The lower mold clamping and positioning mechanism for performing press-fitting on the draught fan rotor and the motor shaft is rapid in clamping and positioning speed without damaging the workbench of the oil press.
Description
Technical field
The utility model relates to fan rotor and motor shaft technology of pressure mounting field, is specifically a kind of for press-fiting the counterdie clamping location structure of fan rotor and motor shaft.
Background technology
In press-fiting in process of fan rotor and motor shaft, for motor shaft close-fitting is installed in the central shaft hole of fan rotor, be not that whole motor shaft is made and the structure of central shaft hole close-fitting.And just on the outer circle wall of the close-fitting section of motor shaft punch forming go out many floating screeds that arrange circumferentially form tight fit so that the close-fitting section diameter of motor shaft is greater than central shaft hole internal diameter with central shaft hole.The diameter of other shaft part parts of motor shaft is less than central shaft hole internal diameter to form matched in clearance, the loose fit being commonly called as in the industry at once with central shaft hole.Like this before press-fiting, just can be by first motor shaft partial insertion in the central shaft hole of fan rotor, now the close-fitting section of motor shaft can not directly be inserted into the outer fan rotor top that is exposed in central shaft hole because diameter is greater than central shaft hole internal diameter, then utilize hydraulic press and the mould just can be by the close-fitting section close-fitting of motor shaft in central shaft hole, thereby realize press-fiting of fan rotor and motor shaft.
In the time press-fiting fan rotor and motor shaft, the mould using comprises upper die and lower die.While press-fiting, first counterdie clamping is positioned on the workbench of hydraulic press, then there is the fan rotor of motor shaft to be positioned in the center positioning hole of counterdie by the motor shaft part part of stretching out fan rotor bottom loose fit, then patrix is enclosed within by its central through hole in the close-fitting section of stretching out fan rotor top, now motor shaft is also reserved with part shaft part and stretches out patrix top.Now open hydraulic press, the drift of hydraulic press moves compacting downwards, the motor shaft part part of stretching out patrix top is pressed in the central through hole of patrix completely, now the close-fitting section of motor shaft enters in the central shaft hole of fan rotor simultaneously, thereby motor shaft is crimped in fan rotor completely.
While adopting the mould of above structure and hydraulic press to press-fit fan rotor and motor shaft, because needing clamping, counterdie is positioned on the workbench of hydraulic press, and counterdie entirety is provided with the cylindrical structure of center positioning hole for upper end, in the time that clamping is located this cylindrical structure, at present the normal way adopting is on hydraulic press operating platform, to offer a circular groove matching with cylindrical shape, size to carry out clamping location.Although this circular groove can be realized the clamping location of counterdie, arranging of circular groove can destroy hydraulic press operating platform body, and when each clamping location, need raise one's hand counterdie is inserted in circular groove and is positioned, and the speed that operates is slower.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of clamping locating speed fast, and can not destroy hydraulic press operating platform for press-fiting the counterdie clamping location structure of fan rotor and motor shaft.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: comprise that intersect end and entirety is fixedly mounted on two pins on hydraulic press operating platform, this two pin is respectively with to be positioned at counterdie under hydraulic press drift tangent.
The tangent position of two pins and counterdie sidewall is provided with the arc groove of being convenient to counterdie location, and the wall of arc groove is also bonded with soft rubber layer.
Adopt after above structure, the utlity model has following advantage: of the present utility model for press-fit fan rotor with the counterdie clamping location structure of motor shaft by the crossing pin in both ends is set on the workbench of hydraulic press, and two pins are respectively with to be positioned at counterdie under hydraulic press drift tangent, like this in the time of the counterdie of clamping location, only counterdie need be pushed between two pins along hydraulic press operating platform table top, make counterdie sidewall be close to two pins and can realize clamping location, the setting of this clamping location structure, without destroying hydraulic press operating platform table top, protect hydraulic press, and compared to existing technologies, carry out clamping location by the mode pushing along hydraulic press operating platform table top, without raising one's hand, directly push, the speed that operates is fast, efficiency is high.
Further, the tangent position of two pins and counterdie sidewall is provided with the arc groove of being convenient to counterdie location, after arc groove arranges, counterdie is more easily positioned in this groove, the more difficult displacement of counterdie behind location, the wall of arc groove is also bonded with soft rubber layer, soft rubber layer quality softness, avoided counterdie to contact with the hard of two pins, the collision dynamics while having reduced contact, more can firmly be positioned in the angle that two pins form in scope counterdie.
Brief description of the drawings
Fig. 1 is the utility model for press-fiting the structural representation of counterdie clamping location structure of fan rotor and motor shaft.
Fig. 2 is the utility model for press-fiting the use status architecture schematic diagram of counterdie clamping location structure of fan rotor and motor shaft.
As shown in the figure: 1 pin, 2 arc grooves, 3 soft rubber layers, 4 counterdies.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in the figure, of the present utility model for press-fiting the counterdie clamping location structure of fan rotor and motor shaft, comprise that intersect end and entirety is fixedly mounted on two pins 1 on hydraulic press operating platform, this two pin 1 is respectively with to be positioned at counterdie under hydraulic press drift tangent, tangent rear because there being stopping of two pins, thus counterdie success clamping is positioned on hydraulic press operating platform.
In the present embodiment, the end of two pins, by being welded to connect into an entirety, have angle, and two pins is arranged on the workbench of hydraulic press between two pins after welding by screw fastening after being welded into an entirety.
The tangent position of two pins 1 and counterdie sidewall is provided with the arc groove 2 of being convenient to counterdie location, and the wall of arc groove 2 is also bonded with soft rubber layer 3.Soft rubber layer 3 can reduce cushion effect, and soft rubber layer 3 quality softness, strong with counterdie sidewall stickiness, makes counterdie locate more solid and reliablely.
In the present embodiment, soft rubber layer 3 can adopt the common rubber tube of easily purchasing to be made.
Claims (2)
1. one kind for press-fiting the counterdie clamping location structure of fan rotor and motor shaft, it is characterized in that: comprise that intersect end and entirety is fixedly mounted on two pins (1) on hydraulic press operating platform, this two pin (1) is respectively with to be positioned at counterdie (4) under hydraulic press drift tangent.
2. according to claim 1 for press-fiting the counterdie clamping location structure of fan rotor and motor shaft, it is characterized in that: the tangent position of two pins (1) and counterdie (4) sidewall is provided with the arc groove (2) of being convenient to counterdie (4) location, and the wall of arc groove (2) is also bonded with soft rubber layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360202.2U CN203900847U (en) | 2014-07-01 | 2014-07-01 | Lower mold clamping and positioning mechanism for performing press-fitting on draught fan rotor and motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360202.2U CN203900847U (en) | 2014-07-01 | 2014-07-01 | Lower mold clamping and positioning mechanism for performing press-fitting on draught fan rotor and motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900847U true CN203900847U (en) | 2014-10-29 |
Family
ID=51775138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420360202.2U Expired - Fee Related CN203900847U (en) | 2014-07-01 | 2014-07-01 | Lower mold clamping and positioning mechanism for performing press-fitting on draught fan rotor and motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354530A (en) * | 2020-05-01 | 2020-06-30 | 东莞质研工业设计服务有限公司 | Automatic motor rotor magnetizing equipment capable of being positioned at center |
-
2014
- 2014-07-01 CN CN201420360202.2U patent/CN203900847U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354530A (en) * | 2020-05-01 | 2020-06-30 | 东莞质研工业设计服务有限公司 | Automatic motor rotor magnetizing equipment capable of being positioned at center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150701 |
|
| EXPY | Termination of patent right or utility model |