CN110474499B - Stator winding clamp - Google Patents
Stator winding clamp Download PDFInfo
- Publication number
- CN110474499B CN110474499B CN201910618247.2A CN201910618247A CN110474499B CN 110474499 B CN110474499 B CN 110474499B CN 201910618247 A CN201910618247 A CN 201910618247A CN 110474499 B CN110474499 B CN 110474499B
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- Prior art keywords
- stator
- winding
- stator lamination
- clamping
- lamination
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- 238000004804 winding Methods 0.000 title claims abstract description 82
- 238000003475 lamination Methods 0.000 claims abstract description 123
- 238000000034 method Methods 0.000 claims description 7
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a stator winding clamp, which comprises a body (2), wherein a plurality of clamping grooves (2.1) used for being matched with inserting ends (1.1) of stator laminations (1) are formed in the periphery of the body (2), and after the inserting ends (1.1) of the stator laminations (1) are clamped into the clamping grooves (2.1), winding ends (1.2) of the stator laminations (1) are arranged outwards along the radial direction of the body (2). The stator winding clamp provided by the invention has the advantages that welding connection between stator lamination is not needed, the integrity of the stator body is good, adjacent stator lamination can not interfere a winding head of a winding machine, and the winding uniformity and the full rate of a winding groove are high.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator winding clamp.
Background
The existing split type stator generally divides the stator body into a plurality of stator lamination, the stator lamination comprises a splicing end and a winding end, two sides of the splicing end are respectively provided with a bulge and a groove, adjacent stator lamination are connected in a matched manner through the bulge and the groove along the axial splicing manner, in general, each stator lamination is wound in a winding manner, then each stator lamination is connected in a matched manner through the bulge and the groove to form an annular stator body, finally adjacent stator lamination is welded by a wire or connected by a connecting piece, so that the series connection of the stator lamination is realized, the process is complex, the stator lamination is easy to be failed in series connection due to the false welding, the loose welding or the disconnection, and a fixture for winding the stator lamination is arranged in a parallel manner in sequence, however, after the stator laminations are wound sequentially, the first stator lamination and the last stator lamination still need to be welded, and the winding ends of adjacent stator laminations are on the same straight line during winding, a winding head of a winding machine is easy to collide with the adjacent stator laminations, in order to avoid the collision, a flying fork type winding machine is also available in the prior art, a wire is slid into the winding end of the stator laminations through an oblique die head, and because of inertia in the axial direction, the wire is difficult to wind on the winding end in a orderly manner in the radial direction, if the wire in the winding end is not uniform and level, the slot filling rate (slot filling rate refers to the proportion of occupied space after a coil is put into a slot, the slot filling rate is large, the filling in the slot is compact, and the running performance of a motor is good) can be difficultly ensured, and the wire winding of a stator body is uneven and the performance is reduced.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the stator winding clamp has the advantages that welding connection between stator lamination is not needed, the integrity of the stator body is good, adjacent stator lamination cannot interfere a winding head of a winding machine, and the winding uniformity groove full rate is high.
The invention solves the problems by adopting the following technical scheme: the utility model provides a stator wire winding anchor clamps, it includes the body, the body periphery is equipped with a plurality of and is used for with stator lamination's grafting end complex draw-in groove, stator lamination's grafting end card is gone into behind the draw-in groove the radial outside setting of winding end along the body.
Preferably, the stator winding clamp further comprises clamping blocks, the clamping blocks and the clamping grooves are arranged at intervals, and two adjacent clamping blocks are matched and clamped to the inserting ends.
Preferably, stop structures are arranged on two sides of the clamping blocks, and the stop structures of two adjacent clamping blocks are matched with the side wall of the stator lamination to limit the stator lamination in the clamping groove in the radial direction.
Preferably, one side of the insertion end is provided with a protrusion, the other side of the insertion end is provided with a groove, the stop structure comprises a limit groove arranged on one side of the clamping block, and the protrusion is inserted into the limit groove.
Preferably, the stop structure further comprises a flange arranged on the other side of the clamping block, and the flange is in abutting fit with the outer wall of the groove.
Preferably, a tightening structure is further arranged between the clamping blocks and the body, and the tightening structure drives the clamping blocks to move radially towards the center of the body so that the clamping blocks clamp the stator lamination, or drives the clamping blocks to move radially away from the center of the body so that the clamping blocks loosen the stator lamination.
Preferably, the elastic structure comprises a first counter bore arranged on the clamping block, a screw hole arranged on the body and a screw member, wherein the head of the screw member is inserted into the first counter bore and connected with the screw hole.
Preferably, a second counter bore is further formed in the screw hole, a spring is arranged in the second counter bore, one end of the spring abuts against the clamping block, the other end of the spring abuts against the bottom surface of the second counter bore, and the spring is sleeved on the screw piece.
The invention solves the problems by adopting a further technical scheme that: a method for winding stator coils by adopting the stator winding clamp comprises the following steps,
a. the screw piece is screwed, the clamping block is far away from the body, and the clamping block is loosened;
b. mounting the stator lamination to the body: the inserting end of the stator lamination is inserted into the clamping groove, and the winding end of the stator lamination is arranged radially outwards along the body;
c. the screw piece is screwed, the clamping block is close to the body relatively, and the stator lamination is limited on the body by the clamping block: one side of the stator lamination is matched and limited by a limiting groove of the clamping block and a bulge of the stator lamination, the other side of the stator lamination is matched and limited by a baffle of the clamping block and the outer wall of a groove of the stator lamination, and the stator lamination is stably limited in the clamping groove;
d. a plurality of stator laminations are sequentially arranged in the clamping groove;
e. the stator winding clamp is arranged in a winding machine, and the winding machine continuously winds the stator lamination which is arranged in sequence;
f. the screw piece is screwed, the clamping block is loosened, and the stator lamination is taken out of the clamping groove;
g. rotating the stator lamination, wherein the winding end of the stator lamination is rotated from a radial outward state to a radial inward state;
h, sequentially connecting adjacent stator laminations through matching of the protrusions and the grooves to form an annular stator body;
i. the connecting wires of adjacent stator laminations are plugged into the gaps between the stator laminations;
j. and (5) finishing winding.
Preferably, the step e and the step f further comprise the following steps:
and e1, after the winding machine winds the last stator lamination, switching to the first stator lamination to wind a plurality of circles so as to connect the stator laminations in sequence.
Compared with the prior art, the invention has the advantages that: the stator lamination is arranged on the periphery of the clamp body, the winding ends of the stator lamination are arranged outwards in the radial direction of the body, and compared with the mode that the stator lamination is arranged in parallel or the winding ends of the stator lamination are arranged inwards, when the winding machine winds the stator lamination, adjacent stator laminations cannot interfere the winding heads of the winding machine, the winding machine can better wind the winding ends, so that winding is more uniform and level, and meanwhile, the slot filling rate can be guaranteed;
through setting up anchor clamps and with stator lamination at the external Zhou Yi preface interval setting of body, the coiling machine switches to another stator lamination after the line of coiling one stator lamination, and the line can not break between two stator laminations, after the last stator lamination of coiling, the coiling machine switches to first stator lamination again around the connecting wire to realize the continuous concatenation of stator lamination, need not to weld in addition, wholeness and reliability are better.
Drawings
Fig. 1 is a schematic perspective view of the whole structure of the present invention.
Fig. 2 is a schematic perspective view of a stator lamination of the present invention mounted on a fixture body.
Fig. 3 is a schematic cross-sectional structure of fig. 2.
Fig. 4 is a schematic view of the mating structure between stator laminations.
Fig. 5 is a schematic view of the stator lamination after winding and removal from the fixture body.
Fig. 6 is a schematic view of the structure of stator bodies that are connected to each other to form a ring shape by rotating the stator lamination after winding the stator lamination.
Fig. 7 is a schematic view of the winding head during winding.
The figure shows: 1-stator lamination, 1.1-plug end, 1.1.1-bulge, 1.1.2-groove, 1.2-winding end, 2-body, 2.1-clamping groove, 3-clamping block, 3.1-limit groove, 3.2-flange, 4-elastic structure, 4.1-first counter bore, 4.2-screw hole, 4.3-screw piece, 4.4-second counter bore, 4.5-spring, 5-connecting wire and 6-coil.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in figures 1 to 7 of the drawings,
the stator lamination 1 comprises a plug end 1.1 and a winding end 1.2, wherein protrusions 1.1.1 and grooves 3.11.1.2 are respectively arranged on two sides of the plug end 1.1, the two stator laminations 1 are connected through the matching of the protrusions 1.1.1 and the grooves 3.11.1.2, and a plurality of stator laminations 1 can form an annular stator body through the matching of the protrusions 1.1.1 and the grooves 3.11.1.2.
Generally, in order to form the annular stator body, the side surfaces of the protrusions 1.1.1 and the grooves 3.11.1.2 are chamfered, so that the side walls of the stator lamination 1 after forming the annular stator body are propped against each other, and the connection state is more stable.
The utility model provides a stator wire winding anchor clamps, it includes body 2, clamp splice 3, body 2 periphery is equipped with a plurality of and is used for with the terminal surface grafting end 1.1 complex draw-in groove 2.1 of stator lamination 1, the number of draw-in groove 2.1 is unanimous with the stator lamination 1's that constitutes the stator body number, clamp splice 3 and draw-in groove 2.1 interval set up, the both sides of clamp splice 3 are equipped with the backstop structure, spacing groove 3.1 confession arch 1.1.1 on one side of backstop structure is inserted and can cooperate with protruding 1.1.1 in order radially to inject the displacement of stator lamination 1, the structural dimension of spacing groove 3.1 is close with recess 3.11.1.2, the flange 3.2 of backstop structure opposite side can offset with the outer wall of recess 3.11.1.2, the outer wall that this recess 3.11.1.2 is the side of recess 3.11.1.2 place stator lamination 1, because the side of stator lamination 1 is the chamfer, flange 3.2 can be with the cooperation of chamfer in order to radially spacing in the draw-in groove 2.1 with the grafting end 1.
Wherein, set up elastic structure 4 between clamp splice 3 and the body 2, elastic structure 4 includes screw 4.2, screw 4.3 and first counter bore 4.1, screw 4.3 inserts in first counter bore 4.1 and closes with screw 4.2 soon, the position of clamp splice 3 relative to body 2 can be adjusted to the degree of fit of adjusting screw 4.2 piece and screw 4.2, the screw 4.2 indent is equipped with second counter bore 4.4, second counter bore 4.4 is used for setting up spring 4.5, spring 4.5 can make clamp splice 3 have the trend of keeping away from relative body 2, thereby provide the elastic force when screw 4.3 is loosened and is taken out stator lamination 1 to the rotation.
The winding machine winds the first stator lamination 1 on the fixture, winds the last stator lamination 1 along the circumference Xiang Yi, and then switches the first stator lamination 1 to wind for several circles after the last stator lamination 1 is wound, so that the stator lamination 1 can sequentially form a continuous ring shape through the connecting wire 5, then the stator lamination 1 is completely removed from the body 2, the winding end 1.2 of the stator lamination 1 is turned from the radial direction to the radial direction, then adjacent stator laminations 1 are in plug-in fit through the fit of the protrusions 1.1.1 and the grooves 3.11.1.2, finally an annular stator body is formed, and meanwhile, the connecting wire 5 between the two stator laminations 1 is placed in a gap between the winding ends 1.2 to avoid being exposed and broken.
After winding, as shown in fig. 5, the stator lamination 1 is wound with the coil 6, and adjacent stator laminations 1 are connected through the continuously wound connecting wire 5, so that additional welding is not needed, the working procedure is saved, and the integrity of the stator body is improved.
Wherein, body 2 center is equipped with the cooperation shaft hole, with the pivot cooperation on the coiling machine, in order to realize the switching of the participation wire winding position of stator lamination 1, coiling machine and coiling head are the conventional machinery in this field, as shown in fig. 7, coiling head 7 is when rotatory, the line on the wire winding arm 7.1 can be on the wire winding end 1.2 of stator lamination 1 and the interference is not produced with adjacent stator lamination 1, compare in flying fork formula wire winding, can make the wire winding can be more even parallel and level, thereby guarantee the groove full rate, because the radial outside setting mode of stator lamination 1 on body 2 in this application can avoid adjacent stator lamination 1 to the collision that its wire winding probably produced, so the anchor clamps of this application can be suitable for most coiling machines in the market, coiling machine structure here is not repeated.
In the example, the number of stator laminations 1 constituting the stator body is 9, and the number of stator laminations 1 may be varied according to the diameter of the stator body, and may be 3 to 100, and the number is not limited.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The utility model provides a stator wire winding anchor clamps which characterized in that:
the stator lamination winding device comprises a body (2), wherein a plurality of clamping grooves (2.1) used for being matched with the inserting ends (1.1) of the stator laminations (1) are formed in the periphery of the body (2), and after the inserting ends (1.1) of the stator laminations (1) are clamped into the clamping grooves (2.1), winding ends (1.2) of the stator laminations (1) are arranged outwards along the radial direction of the body (2);
the stator winding clamp also comprises clamping blocks (3), wherein the clamping blocks (3) and the clamping grooves (2.1) are arranged at intervals, and two adjacent clamping blocks (3) are matched and clamped on the inserting end (1.1);
stop structures are arranged on two sides of each clamping block (3), and the stop structures of two adjacent clamping blocks (3) are matched with the side wall of the stator lamination (1) to limit the stator lamination (1) in the clamping groove (2.1) in the radial direction;
a tightness structure (4) is further arranged between the clamping blocks (3) and the body (2), and the tightness structure (4) drives the clamping blocks (3) to move radially towards the center of the body (2) so that the clamping blocks (3) clamp the stator lamination (1), or drives the clamping blocks (3) to move radially away from the center of the body (2) so that the clamping blocks (3) loosen the stator lamination (1).
2. The stator winding jig according to claim 1, wherein:
one side of the inserting end (1.1) is provided with a bulge (1.1.1), the other side of the inserting end is provided with a groove (1.1.2), the stop structure comprises a limit groove (3.1) arranged on one side of the clamping block (3), and the bulge (1.1.1) is inserted into the limit groove (3.1).
3. The stator winding jig according to claim 2, wherein:
the stop structure further comprises a flange (3.2) arranged on the other side of the clamping block (3), and the flange (3.2) is in propping fit with the outer wall of the groove (1.1.2).
4. The stator winding jig according to claim 1, wherein:
the tightness structure (4) comprises a first counter bore (4.1) arranged on the clamping block (3), a screw hole (4.2) arranged on the body (2) and a screw member (4.3), wherein the head of the screw member (4.3) is inserted into the first counter bore (4.1) and connected with the screw hole (4.2).
5. The stator winding jig according to claim 4, wherein:
the screw hole (4.2) department still is equipped with second counter bore (4.4), be equipped with spring (4.5) in second counter bore (4.4), spring (4.5) one end offsets with clamp splice (3), spring (4.5) other end offsets with the bottom surface of second counter bore (4.4), spring (4.5) cover is established on screw spare (4.3).
6. A method of winding a stator coil of a stator winding jig according to any one of claims 1 to 5, characterized by:
it comprises the following steps of the method,
a. the screw member (4.3) is screwed, the clamping block (3) is far away from the body (2), and the clamping block (3) is loosened;
b. mounting the stator lamination (1) with the body (2): the inserting end (1.1) of the stator lamination (1) is inserted into the clamping groove (2.1), and the winding end (1.2) of the stator lamination (1) is arranged radially outwards along the body (2);
c. the screw piece (4.3) is screwed, the clamping block (3) is close to the body (2), and the stator lamination (1) is limited on the body (2) by the clamping block (3): one side of the stator lamination (1) is limited by the limit groove (3.1) of the clamping block (3) and the bulge (1.1.1) of the stator lamination (1) in a matched manner, the other side of the stator lamination (1), the baffle of the clamping block (3) and the outer wall of the groove (1.1.2) of the stator lamination (1) are limited by the clamping block (3), and the stator lamination (1) is stably limited in the clamping groove (2.1);
d. a plurality of stator laminations (1) are sequentially arranged in the clamping groove (2.1);
e. the stator winding clamp is arranged in a winding machine, and the winding machine continuously winds the stator lamination (1) which are sequentially arranged;
f. the screw member (4.3) is screwed, the clamping block (3) is loosened, and the stator lamination (1) is taken out of the clamping groove (2.1);
g. rotating the stator lamination (1), wherein the winding end (1.2) of the stator lamination (1) is rotated from a radial outward state to a radial inward state;
h, connecting adjacent stator laminations (1) in sequence through matching of the bulges (1.1.1) and the grooves (1.1.2) to form an annular stator body;
i. inserting the connecting wires (5) of adjacent stator laminations (1) into the gaps between the stator laminations (1);
j. and (5) finishing winding.
7. The method of winding a stator coil in a stator winding jig of claim 6, wherein:
the method further comprises the following steps between the step e and the step f:
and e1, after the last stator lamination (1) is wound by a winding machine, switching to the first stator lamination (1) to wind for a plurality of circles so as to sequentially connect the stator laminations (1) through a connecting wire (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618247.2A CN110474499B (en) | 2019-07-10 | 2019-07-10 | Stator winding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618247.2A CN110474499B (en) | 2019-07-10 | 2019-07-10 | Stator winding clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110474499A CN110474499A (en) | 2019-11-19 |
| CN110474499B true CN110474499B (en) | 2024-04-05 |
Family
ID=68507492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618247.2A Active CN110474499B (en) | 2019-07-10 | 2019-07-10 | Stator winding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474499B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116851596B (en) * | 2023-09-05 | 2023-11-28 | 海安橡胶集团股份公司 | Bead ring winding disc and bead ring winding device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015208105A (en) * | 2014-04-21 | 2015-11-19 | 三菱電機株式会社 | Stator, method of manufacturing stator and winding device for stator |
| CN204835863U (en) * | 2015-08-03 | 2015-12-02 | 台州市格特电机有限公司 | Skeleton wire winding frock |
| CN207835316U (en) * | 2018-02-24 | 2018-09-07 | 杭州微光电子股份有限公司 | Fixture and wire winding tool |
| CN210075026U (en) * | 2019-07-10 | 2020-02-14 | 宁波市君纬电气有限公司 | Stator winding clamp |
-
2019
- 2019-07-10 CN CN201910618247.2A patent/CN110474499B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015208105A (en) * | 2014-04-21 | 2015-11-19 | 三菱電機株式会社 | Stator, method of manufacturing stator and winding device for stator |
| CN204835863U (en) * | 2015-08-03 | 2015-12-02 | 台州市格特电机有限公司 | Skeleton wire winding frock |
| CN207835316U (en) * | 2018-02-24 | 2018-09-07 | 杭州微光电子股份有限公司 | Fixture and wire winding tool |
| CN210075026U (en) * | 2019-07-10 | 2020-02-14 | 宁波市君纬电气有限公司 | Stator winding clamp |
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| Publication number | Publication date |
|---|---|
| CN110474499A (en) | 2019-11-19 |
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