CN102562854A - Electromagnetic clutch and manufacturing method of coil case thereof - Google Patents
Electromagnetic clutch and manufacturing method of coil case thereof Download PDFInfo
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- CN102562854A CN102562854A CN2010106184458A CN201010618445A CN102562854A CN 102562854 A CN102562854 A CN 102562854A CN 2010106184458 A CN2010106184458 A CN 2010106184458A CN 201010618445 A CN201010618445 A CN 201010618445A CN 102562854 A CN102562854 A CN 102562854A
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- connecting plate
- coil
- cell body
- coil case
- anchor ring
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Abstract
The invention discloses an electromagnetic clutch and a manufacturing method of a coil case thereof. The electromagnetic clutch comprises a coil block which comprises a coil case and a connection plate; the coil case comprises a cell body which is provided with a U-shaped cross section and is used to accommodate a coil; the connection plate is used to assemble the coil block on a front cylinder cover of a compressor; the connection plate is welded on the backside of the cell body; an inside annular face and an outside annular face are formed on one side of the connection plate; the inside annular face is fixed with the front cylinder cover; and the outside annular face is welded with the backside of the cell body. The electromagnetic clutch is characterized in that the inside annular face of the connection plate is a plane processed by cutting process, and on the side of the connection plate, the outside annular face is higher than the inside annular face. The manufacturing method includes the steps of: turning an inner race at one side of a connection plate blank to form the connection plate, so the side of the connection plate is provided with the outside annular face and the inside annular face which is made out through turning process and on the side of the connection plate, the outside annular face is higher than the inside annular face; and welding the outside annular face of the connecting plate with the backside of the cell body of the coil. With the manufacturing method provided by the invention, the weld strength between the coil case and the connection plate is enhanced and the coil case and the connection plate are not easy to loose weld.
Description
Technical field
The present invention relates to the production method of electromagnetic clutch for compressor and coil case thereof.
Background technique
As shown in Figure 1, magnetic clutch is the driving mechanism of compressor, mainly comprises belt pulley, coil block, sucker, links to each other with the sucker compressor main shaft.Belt pulley is driven by motor car engine, and end face produces magnetic force during coil electricity, and belt pulley produces adhesive with sucker, and sucker rotates with belt pulley, and for key is connected, sucker can drive the compressor main shaft rotation thus between sucker and the main shaft.
Coil block comprises coil, coil case.Coil case comprises the cell body that the cross section takes the shape of the letter U and is used for coil block is assemblied in the connecting plate on the compressor front end housing.Coil is contained in the U-groove bevel body, and connecting plate is welded on the back side of cell body.
Connecting plate is in stamping process, and the material around affecting when forming center hole or interior side ring surface makes circumferentia on every side produce bending deflection.And the circumferentia area of the connecting plate that light duty compressor adopted is less, and therefore distortion is especially obvious in stamping process.Can't intactly fit between circumferentia of being out of shape and the shell, be prone to sealing-off.
Summary of the invention
The object of the present invention is to provide the production method of magnetic clutch and coil case thereof, the weld strength between coil case and the connecting plate is increased, be difficult for sealing-off.
For realizing the magnetic clutch of said purpose, comprise coil block, coil block comprises coil case and connecting plate; The cell body that coil case comprises is that the cross section takes the shape of the letter U, hold coil; Connecting plate is used for coil block is assemblied in the compressor front end housing, and connecting plate is welded on the back side of this cell body, and connecting plate is side ring surface and outside anchor ring in a side is formed with; Side ring surface and front end housing fix in being somebody's turn to do, and this outside anchor ring welds with the back side of cell body mutually; Be characterized in: the interior side ring surface of connecting plate is that outside anchor ring will exceed interior side ring surface in this side of connecting plate through the plane of cutting.
Described magnetic clutch, its further characteristics are that the outside anchor ring of connecting plate is the plane through cutting.
Described magnetic clutch, its further characteristics are that the cell body back side of coil case has the plane through cutting.
Described magnetic clutch, its further characteristics be, the cell body back side of coil case has the dimple through cutting, and connecting plate is embedded in the dimple.
Described magnetic clutch, its further characteristics be, coil block is contained in the annular groove of belt pulley, and coil block does not contact with annular groove mutually, has the gap, and the outer side surface of the annular groove of belt pulley is higher than inner side surface.
Production method for the coil case of realizing said purpose is characterized in, may further comprise the steps:
A, punching press form cross section cell body that take the shape of the letter U, that hold coil;
B, form the connecting plate blank with formation technique;
C, turning are processed the interior ring of connecting plate blank one side with the formation connecting plate, the connecting plate interior side ring surface that therefore anchor ring and turning process outside this side has, and outside anchor ring will exceed interior side ring surface in this side of connecting plate; And
D, with the cell body back side welding of the outside anchor ring of connecting plate and coil.
The production method of described coil case, its further characteristics are that before step D, and this outside anchor ring of turning processing, outside anchor ring will exceed interior side ring surface in this side of connecting plate.
The production method of described coil case, its further characteristics are that said formation technique comprises casting or punching press.
The production method of described coil case, its further characteristics be, in step B, the connecting plate blank roughly is cirque body, and two ends are the plane.
The interior side ring surface of connecting plate is processed by turning, and externally tractive is not caused in the side ring surface, and therefore outside anchor ring can keep formation state; On this basis also externally the side ring surface process, it is better to make it planeness.The outside anchor ring of connecting plate is more smooth, make it with coil case between well contact, prevent sealing-off.The outer side surface of the annular groove of belt pulley exceeds, and is corresponding with the thickness of connecting plate, helps increasing magnetic flux, and the suction-combining force is increased.
Description of drawings
Fig. 1 is the existing tectonic maps that is installed on the magnetic clutch on the compressor.
Fig. 2 is the tectonic maps that is installed on the magnetic clutch on the compressor of one embodiment of the invention.
Fig. 3 to Fig. 5 is the schematic representation of the forming process of the connecting plate of the coil block of magnetic clutch in one embodiment of the invention.
Fig. 6 is the schematic representation of course of working at the solenoid housing back side of the coil block of magnetic clutch in one embodiment of the invention.
Fig. 7 is the Fundamentals of Welding schematic representation of solenoid housing and connecting plate in one embodiment of the invention.
Fig. 8 is the flow chart of the production method of coil case in one embodiment of the invention.
Embodiment
Magnetic clutch is the driving mechanism of compressor, links to each other with compressor main shaft, mainly comprises belt pulley, coil block, sucker.As shown in Figure 2, coil block 1 is contained in the annular groove 3 of belt pulley 2, and both do not contact mutually, have the gap.
In the miniaturization compressor, the size of each parts all reduces.Cell body 6 is formed by the steel plate punching press, and connecting plate 7 can be cast back turning and process, because the area of plane of cell body 6 back side 6A and connecting plate 7 outside anchor ring 7A is all smaller, therefore the applying degree of two faces is had relatively high expectations.Fluid origin connecting plate blank 7 ', as shown in Figure 3, roughly be circular, two ends are the plane.
As shown in Figure 4, turning processing connecting plate blank 7 ', car goes out interior side ring surface 7B, and the outside anchor ring 7A of side ring surface 7B also formed in end face exceeded simultaneously.Because blank is produced by casting, and the processing of interior side ring surface 7B does not cause tractive to material on every side, and therefore outside anchor ring 7A still keeps the plane, does not have any distortion.As shown in Figure 5, but in order to improve the planeness of face of weld, also externally side ring surface 7A carries out fine finishing, but its working depth is less than interior side ring surface 7B.
Should weld outside anchor ring 7A and cell body 6 back side 6A after the processing immediately, prevent that finished surface from forming oxide layer.
The outer side surface 3A of belt pulley annular groove 3 is higher than inner side surface 3B, and outer side surface 3A end face flushes with the back side with connecting plate 7 and is advisable.Belt pulley 2 is permeability magnetic material with connecting plate 7, and this structure can form the magnetic line of force of comparatively dense around coil.
On the basis of above-mentioned mode of execution, in order to reach better welding effect, also can carry out cutting to the back side 6A of the cell body 6 of coil case, form processing plane 6A, weld between connecting plate outside anchor ring 7A and the processing plane 6A, as shown in Figure 6.
When cutting is carried out at the back side of the cell body 6 of coil case, also can not will whole surface layer prune, and cutting forms step-like dimple 6B.Connecting plate 7 can be embedded in the dimple 6B, and the outer peripheral surface of connecting plate 7 matches with the side of dimple 6B.When welding, scolder S partly flow to the side of dimple 6B, forms more reliably to connect, and is as shown in Figure 7.
In the above-mentioned mode of execution, but connecting plate 7 also after the punching press turning process, punching press forms connecting plate blank 7 ', it is circular that blank shape roughly is, two ends are the plane.Though also be drawing, its be different from existing technology directly with the impact briquetting of interior side ring surface and to outer ring to causing tractive.The blank 7 ' that punching press forms is a flat board, and the position that will weld does not have distortion, connecting plate blank 7 ' is carried out turning be processed to form interior side ring surface 7B, the material around not influencing.
Fig. 8 is the flow chart of the production method of coil case in one embodiment of the invention, is optional step in the frame of dotted line.Combine Fig. 2 simultaneously, punching press forms the cell body 6 that the cross section takes the shape of the letter U in step 100, and cell body 6 is for being suitable for the permeability magnetic material of punching press; The back side of cell body 6 forms the base face that welds with connecting plate 7 after the punching press; In step 101, it for example is cutting that machining is carried out at the back side of cell body 6, can be to eliminate the whole back side of one deck to the cutting at the back side of cell body 6; Also can make and only cut ring in the back side, to form dimple as shown in Figure 7.In step 102, form the connecting plate blank through casting or punching press, the connecting plate blank is illustrated in figure 3 as ring, and its both sides are the plane.In step 103, the interior ring of turning processing connecting plate blank one side, as shown in Figure 4, with side ring surface 7B in forming, correspondingly formed outside anchor ring 7A.As an optional step; External side ring surface 7A carries out turning processing in the step 104; As shown in Figure 5, to increase the planeness of outside anchor ring 7A, so that the outside anchor ring 7A and cell body 6 back sides can be fitted in the step 105 better; The outside anchor ring and the cell body back side of connecting plate are welded, and welding manner is as shown in Figure 7.
Claims (9)
1. a magnetic clutch comprises coil block, and coil block comprises coil case and connecting plate; The cell body that coil case comprises is that the cross section takes the shape of the letter U, hold coil; Connecting plate is used for coil block is assemblied in the compressor front end housing, and connecting plate is welded on the back side of this cell body, and connecting plate is side ring surface and outside anchor ring in a side is formed with; Side ring surface and front end housing fix in being somebody's turn to do, and this outside anchor ring welds with the back side of cell body mutually; It is characterized in that: the interior side ring surface of connecting plate is that outside anchor ring will exceed interior side ring surface in this side of connecting plate through the plane of cutting.
2. magnetic clutch as claimed in claim 1 is characterized in that, the outside anchor ring of connecting plate is the plane through cutting.
3. magnetic clutch as claimed in claim 1 is characterized in that, the cell body back side of coil case has the plane through cutting.
4. according to claim 1 or claim 2 magnetic clutch is characterized in that the cell body back side of coil case has the dimple through cutting, and connecting plate is embedded in the dimple.
5. magnetic clutch as claimed in claim 1 is characterized in that, coil block is contained in the annular groove of belt pulley, and coil block does not contact with annular groove mutually, has the gap, and the outer side surface of the annular groove of belt pulley is higher than inner side surface.
6. the production method of a coil case is characterized in that, may further comprise the steps:
A, punching press form cross section cell body that take the shape of the letter U, that hold coil;
B, form the connecting plate blank with formation technique;
C, turning are processed the interior ring of connecting plate blank one side with the formation connecting plate, the connecting plate interior side ring surface that therefore anchor ring and turning process outside this side has, and outside anchor ring will exceed interior side ring surface in this side of connecting plate; And
D, with the cell body back side welding of the outside anchor ring of connecting plate and coil.
7. the production method of coil case as claimed in claim 6 is characterized in that, before step D, also this outside anchor ring is processed in turning, and outside anchor ring will exceed interior side ring surface in this side of connecting plate.
8. the production method of coil case as claimed in claim 6 is characterized in that, said formation technique comprises casting or punching press.
9. the production method of coil case as claimed in claim 6 is characterized in that, in step B, the connecting plate blank roughly is cirque body, and two ends are the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106184458A CN102562854A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic clutch and manufacturing method of coil case thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106184458A CN102562854A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic clutch and manufacturing method of coil case thereof |
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| Publication Number | Publication Date |
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| CN102562854A true CN102562854A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010106184458A Pending CN102562854A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic clutch and manufacturing method of coil case thereof |
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| CN (1) | CN102562854A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350322A (en) * | 2013-06-09 | 2013-10-16 | 浙江澳利达空调部件有限公司 | Method for manufacturing clutch coil housing of automobile air conditioner |
| CN105637249A (en) * | 2013-10-08 | 2016-06-01 | 三电控股株式会社 | Electromagnetic clutch |
| CN105666051A (en) * | 2016-01-18 | 2016-06-15 | 南通容润汽车配件有限公司 | Production processes for coil shell assembly and coil shell parts of clutch |
| CN107269735A (en) * | 2017-06-13 | 2017-10-20 | 苏州新智机电工业有限公司 | A kind of automobile air conditioner compressor clutch coil |
| CN111005950A (en) * | 2019-12-28 | 2020-04-14 | 华域三电汽车空调有限公司 | Electromagnetic clutch structure and compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307038A (en) * | 1989-03-28 | 1994-04-26 | Ogura Clutch Co., Ltd. | Electromagnetic coupling apparatus |
| JPH0989007A (en) * | 1995-09-25 | 1997-03-31 | Matsui Kogyo:Kk | Manufacture for solenoid clutch core |
| US6193040B1 (en) * | 1998-01-21 | 2001-02-27 | Tesma International Inc. | Electromagnetic clutch and pulley assembly |
| CN1306164A (en) * | 2000-01-14 | 2001-08-01 | 三菱重工业株式会社 | Electromalgnetic clutch |
| JP2005114104A (en) * | 2003-10-09 | 2005-04-28 | Nippon Soken Inc | Lock detecting mechanism of rotary machine with electromagnetic clutch |
| CN101842607A (en) * | 2007-10-30 | 2010-09-22 | 三电有限公司 | Electromagnetic clutch |
-
2010
- 2010-12-31 CN CN2010106184458A patent/CN102562854A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307038A (en) * | 1989-03-28 | 1994-04-26 | Ogura Clutch Co., Ltd. | Electromagnetic coupling apparatus |
| JPH0989007A (en) * | 1995-09-25 | 1997-03-31 | Matsui Kogyo:Kk | Manufacture for solenoid clutch core |
| US6193040B1 (en) * | 1998-01-21 | 2001-02-27 | Tesma International Inc. | Electromagnetic clutch and pulley assembly |
| CN1306164A (en) * | 2000-01-14 | 2001-08-01 | 三菱重工业株式会社 | Electromalgnetic clutch |
| JP2005114104A (en) * | 2003-10-09 | 2005-04-28 | Nippon Soken Inc | Lock detecting mechanism of rotary machine with electromagnetic clutch |
| CN101842607A (en) * | 2007-10-30 | 2010-09-22 | 三电有限公司 | Electromagnetic clutch |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350322A (en) * | 2013-06-09 | 2013-10-16 | 浙江澳利达空调部件有限公司 | Method for manufacturing clutch coil housing of automobile air conditioner |
| CN103350322B (en) * | 2013-06-09 | 2016-08-10 | 浙江澳利达空调部件有限公司 | The manufacture method of automobile air conditioner clutch coil case |
| CN105637249A (en) * | 2013-10-08 | 2016-06-01 | 三电控股株式会社 | Electromagnetic clutch |
| CN105666051A (en) * | 2016-01-18 | 2016-06-15 | 南通容润汽车配件有限公司 | Production processes for coil shell assembly and coil shell parts of clutch |
| CN105666051B (en) * | 2016-01-18 | 2018-03-23 | 南通容润汽车配件有限公司 | A kind of production technology of clutch coil housing unit and solenoid housing part |
| CN107269735A (en) * | 2017-06-13 | 2017-10-20 | 苏州新智机电工业有限公司 | A kind of automobile air conditioner compressor clutch coil |
| CN111005950A (en) * | 2019-12-28 | 2020-04-14 | 华域三电汽车空调有限公司 | Electromagnetic clutch structure and compressor |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Shanghai City 200025 Madang Road No. 347 Applicant after: SANDEN HUAYU AUTOMOTIVE AIR-CONDITIONING CO., LTD. Address before: 200025 Shanghai city Luwan District Madang Road No. 347 Applicant before: Sandian Beier Automobile Air-Conditioner Co., Ltd., Shanghai |
|
| COR | Change of bibliographic data | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |