CN209516760U - A kind of punching and the stator core including the punching - Google Patents
A kind of punching and the stator core including the punching Download PDFInfo
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- CN209516760U CN209516760U CN201822220327.6U CN201822220327U CN209516760U CN 209516760 U CN209516760 U CN 209516760U CN 201822220327 U CN201822220327 U CN 201822220327U CN 209516760 U CN209516760 U CN 209516760U
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- punching
- iron core
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- spelling joint
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Abstract
The utility model discloses a kind of punching, punching including T shape, punching includes crosspiece and perpendicular section, crosspiece includes arc outer edge, the inner end of perpendicular section is provided with spelling joint, spelling joint includes left side, right edge and outer side edges, and the left side and right edge are that the symmetrical dovetail groove of shapes and sizes and dovetail boss are respectively arranged in bevel edge and left side and right edge, and outer side edges are concave arc shape side and both ends are separately connected left side and right edge；Such punching, utilize the spelling joint of perpendicular section inner end, and cooperate the dovetail groove and dovetail boss of its left and right side, so that each punching is surrounded circle-shaped stator core thin slice, processing is simple, and, iron core is made of punching block, and loss material is smaller, and the production of this punching, it is also small that it throws standby investment, hence it is evident that reduces cost；Also the invention also discloses a kind of assemblings to be easy, and the stator core including above-mentioned punching at low cost.
Description
Technical field
The utility model relates to a kind of punching and including the stator core of the punching.
Background technique
Existing motor stator core, core body are mostly that a biggish metal material of monolith thickness is made, this electricity
Machine stator iron core, is made of single metal material, although integral strength is preferable, place that but there are still the following shortcomings: (1) due to whole
A iron core is made of single integral metal material, it is required that process equipment is higher, causes increased costs；(2) iron core was manufacturing
Cheng Zhong, the very more material of waste, causes increased costs.
A monolith circular stator lamination is gone out by property primary on sheet metal for this purpose, also having, it then will be each round fixed
The circular stator iron core with thickness requirement is made in pressurization after sub- lamination laminates up and down；The circular stator lamination of the knot, with
And pass through the stator core being stacked up and down with several circular stator iron cores, there are still following shortcomings: (1) in one block of gold
Belong in piece, go out one piece of circular stator lamination, can still waste more material, especially requires sheet metal that there is biggish width
Degree such as some sheet metal tailings (the lesser sheet metal of width) is not available then, causes to waste, and increases cost.
Utility model content
That the purpose of this utility model is to provide a kind of processing is simple, material loss is small and motor stator at low cost
Punching.
The another object of the utility model is that providing a kind of assemble is easy, and the stator including above-mentioned punching at low cost
Iron core.
Purpose of the utility model is realized as follows:
A kind of punching, characterized in that the punching including T shape, the punching include crosspiece and perpendicular section, and the crosspiece includes arc
Shape outer edge, the inner end of the perpendicular section are provided with spelling joint, and the spelling joint includes left side, right edge and outer side edges, described
Left side and right edge are recessed to be respectively arranged with the symmetrical dovetail of shapes and sizes on bevel edge and the left side and right edge
Slot and dovetail boss, the outer side edges are concave arc shape side and both ends are separately connected left side and right edge；Such punching utilizes
The spelling joint of perpendicular section inner end, and cooperate the dovetail groove and dovetail boss of its left and right side, surround each punching circle-shaped
Stator core thin slice, processing is simple, moreover, iron core is made of punching block, loss material is smaller, and the system of this punching
Make, it is also small to throw standby investment, hence it is evident that reduce cost.
Further, it being also provided with connecting hole on the spelling joint of the punching, is connected with will pass through connecting hole for punching.
Further, the center camber line of the dovetail groove and the center camber line of dovetail boss are on same circular arc,
So that each punching can be spliced into it is circle-shaped, and be conducive to promoted splicing intensity.
Further, the connecting hole is located at the outside of the center camber line of dovetail groove and the center camber line of dovetail boss,
In this way, connecting hole outside, including the embedded cooperation of dovetail groove and dovetail boss, realize two o'clock connection, is conducive to improve whole
Bonding strength.
Further, it is provided with outward and tilts down between the left side edge of the perpendicular section and the left side of spelling joint
Left camber line connection, be provided with the right side outward and tilted down between the right side edge of the perpendicular section and the right edge of spelling joint
Camber line connection so that the connection between the perpendicular section and spelling joint of adjacent punching is closer when splicing, and is spliced stronger.
Further, the arc length of the right camber line is less than the half arc length of left camber line, to produce side equipped with swallow
Tail groove, the other side are equipped with dovetail boss.
What the another object of the utility model was realized in:
A kind of stator core, characterized in that including the punching, punching described in several piece laminates up and down and passes through connector
Across the connecting hole of each piece of punching, each piece of punching is connected and constitutes one group of iron core module, iron core module described in array is to rush
Including spelling joint one end of piece, the mode of crosspiece outside, be stitched together by circumferential order, and each punching in previous iron core module
Piece dovetail boss is embedded in the dovetail groove of the correspondence punching in latter iron core module, has via clearance, outside with composition center
There is the circular stator iron core of winding department slot；The stator core of this structure constitutes one group using the punching that several piece laminates up and down
Iron core module, then cooperate punching spelling joint, dovetail groove and dovetail boss in each group iron core module, it assembles simply, securely
Stator core out, it is simple and reasonable for structure, and assemble and be easy, entire stator core is assembled by punching, saves a large amount of materials
Material, hence it is evident that reduce cost.
Further, there are gap, the gap between the crosspiece arc outer edge of the iron core module of two adjacent groups
It is connected to winding department slot, the gap constitutes the entrance of winding department slot.
The invention also discloses a kind of stator core manufacturing methods including above-mentioned punching, characterized in that including such as
Lower step:
A) the identical punching of several piece shapes and sizes is gone out on one piece of sheet metal, it is spare；
B) above-mentioned several piece punching is superimposed up and down, and one group of iron core module is constituted by pressuring method；
C) array iron core module is pressed into circle-shaped sequential concatenation together, there is via clearance at composition center, outside has
The circular stator iron core of winding department slot.
As more specific scheme, in the step a), on same sheet metal, between two pieces of punchings of adjacent position
It is rushed out by contrary, that is, can leading to there are two pieces of adjacent punching shapes of contrary, position on sheet metal
Hole, in this way, on same sheet metal more punching can be gone out as far as possible, to reduce the loss of material, reduction is produced into
This.
The beneficial effects of the utility model are as follows:
(1) punching of the utility model using the spelling joint of perpendicular section inner end, and cooperates the dovetail groove of its left and right side
With dovetail boss, each punching is set to surround circle-shaped stator core thin slice, processing is simple, moreover, iron core is by punching block
It constitutes, loss material is smaller, and such as: some sheet metal tailings (the lesser sheet metal of width) can still produce punching, and this punching
The production of piece it is also small to throw standby investment, hence it is evident that reduce cost.
(2) further more, being connected by being provided with connecting hole on the spelling joint of each punching with will pass through connecting hole for punching
Come；And the center camber line of the dovetail groove and the center camber line of dovetail boss are on same circular arc, so that each punching can
Be spliced into it is circle-shaped, and be conducive to promoted splicing intensity；More have plenty of, connecting hole outside, dovetail groove and dovetail boss it is embedding
Including assembly is closed, two o'clock connection is realized, be conducive to improve whole bonding strength.
(3) stator core of this structure constitutes one group of iron core module using the punching that several piece laminates up and down, then cooperates each
Punching spelling joint, dovetail groove and dovetail boss in group iron core module, simply, assemble stator core, structure securely
Simply, rationally, and assembling is easy, and entire stator core is assembled by punching, saves lot of materials, hence it is evident that reduce cost.
(4) the invention also discloses a kind of stator core manufacturing method including above-mentioned punching, iron core manufacturers
Method has simply, fast, and implements to be easy, and equipment investment is small, can also meet mass production needs.
Detailed description of the invention
Fig. 1 is the punching schematic diagram of the utility model.
Fig. 2 be the punching of the utility model pass through laminate up and down after the schematic diagram of one group of iron core module is made.
Fig. 3 be array iron core module splicing back wall at stator core schematic diagram.
Fig. 4 is the schematic diagram after the stator core assembling of Fig. 3.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the sheet metal schematic diagram that several piece punching will be gone out on one piece of sheet metal.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Referring to shown in Fig. 1-5, a kind of punching, the punching 1 including T shape, the punching 1 includes crosspiece 2 and perpendicular section 3, described
Crosspiece 2 includes arc outer edge 21, and the inner end of the perpendicular section 3 is provided with spelling joint 4, and the spelling joint 4 includes left side 41, the right side
Side 42 and outer side edges 43, the left side 41 and right edge 42 are to distinguish in bevel edge and the left side 41 and right edge 42
It is provided with shapes and sizes symmetrical dovetail groove 5 and dovetail boss 6, the outer side edges 43 are concave arc shape side and both ends point
Not Lian Jie left side 41 and right edge 42, see figure 1 and figure 2.
As more specific scheme, it is also provided with connecting hole 7 on the spelling joint 4 of the punching 1, in the dovetail groove 5
The center camber line 61 of heart camber line 51 and dovetail boss 6 is on same circular arc 71, and the connecting hole 7 is located at dovetail groove 5
Center camber line 51 and dovetail boss 6 center camber line 61 outside.
As shown in the figure, be provided between the left side edge 31 of the perpendicular section 3 and the left side 41 of spelling joint 4 outward and to
Under inclined left camber line 8 connect, be provided between the right side edge 32 of the perpendicular section 3 and the right edge 42 of spelling joint 4 outward and
The right camber line 9 tilted down connects, and the arc length of the right camber line 9 is less than the half arc length of left camber line 8.
Above-mentioned this punching 1 using the spelling joint 4 of perpendicular 3 inner end of section, and cooperates the dovetail groove of its left and right side 41,42
5 and dovetail boss 6, so that each punching 1 is surrounded circle-shaped stator core thin slice, processing is simple, moreover, iron core is by punching
Block is constituted, and loss material is smaller, and such as: some sheet metal tailings (the lesser sheet metal of width) can still produce punching 1, and this
The production of punching 1 it is also small to throw standby investment, hence it is evident that reduce cost.
As shown in figure 3 and figure 4, a kind of stator core including above-mentioned punching, characterized in that including punching 1 described in several piece,
About 1 punching described in several piece laminates and passes through by connector the connecting hole 7 of each piece of punching, and each piece of punching is connected structure
At one group of iron core module 10, iron core module 10 described in array by including 4 one end of spelling joint of punching 1, crosspiece 2 outside in a manner of,
It is stitched together by circumferential order, and each punching dovetail boss 6 in previous iron core module 10 is embedded in latter iron core module 10
Correspondence punching 1 dovetail groove 5, have via clearance 11 with composition center, there is the circular stator of winding department slot 12 in outside
Iron core.
Wherein, there is gap 13 between the crosspiece arc outer edge 21 of the iron core module 10 of two adjacent groups, between described
Gap 13 is connected to winding department slot 12, and the gap 13 constitutes the entrance of winding department slot 12.
The stator core of this structure constitutes one group of iron core module 10 using the punching 1 that several piece laminates up and down, then cooperates each
Punching spelling joint 4, dovetail groove 5 and dovetail boss 6 in group iron core module 10, simply, assemble stator core securely,
It is simple and reasonable for structure, and assemble and be easy, entire stator core is assembled by punching 1, saves lot of materials, hence it is evident that is reduced
Cost.
The invention also discloses a kind of stator core manufacturing methods including above-mentioned punching, include the following steps:
A) the identical punching 1 of several piece shapes and sizes is gone out on one piece of sheet metal, it is spare；
B) above-mentioned about 1 several piece punching is superimposed, and one group of iron core module 10 is constituted by pressuring method；
C) array iron core module 10 is pressed into circle-shaped sequential concatenation together, there are via clearance 11, outside in composition center
There is the circular stator iron core of winding department slot 12.
Wherein, in the step a), on same sheet metal 14, direction phase is pressed between two pieces of punchings 1 of adjacent position
It is counter to be rushed out, as shown in Figure 6, that is, there are two pieces of adjacent punching shapes of contrary, position for meeting on sheet metal 14
Through-hole, to reduce the loss of material, reduces in this way, can go out more punching 1 as far as possible on same sheet metal 14
Production cost.
The iron core manufacturing method has simply, fast, and implements to be easy, and equipment investment is small, can also meet mass production
It needs.
Claims (8)
1. a kind of punching, characterized in that the punching (1) including T shape, the punching (1) include crosspiece (2) and perpendicular section (3), described
Crosspiece (2) includes arc outer edge (21), and the inner end of the perpendicular section (3) is provided with spelling joint (4), and the spelling joint (4) includes
Left side (41), right edge (42) and outer side edges (43), the left side (41) and right edge (42) are bevel edge and the left side
The symmetrical dovetail groove of shapes and sizes (5) and dovetail boss (6) are respectively arranged on side (41) and right edge (42), it is described
Outer side edges (43) are concave arc shape side and both ends are separately connected left side (41) and right edge (42).
2. punching according to claim 1, characterized in that be also provided with connecting hole (7) on the spelling joint (4) of the punching (1).
3. punching according to claim 2, characterized in that the center camber line (51) and dovetail boss of the dovetail groove (5)
(6) center camber line (61) is on same circular arc (71).
4. punching according to claim 3, characterized in that the connecting hole (7) is located at the center camber line of dovetail groove (5)
(51) and the outside of the center camber line (61) of dovetail boss (6).
5. according to punching described in claim 3, characterized in that the left side edge (31) of the perpendicular section (3) and the left side of spelling joint (4)
Left camber line (8) connection for being provided with outward and tilting down between side (41), the right side edge (32) and spelling of the perpendicular section (3)
Right camber line (9) connection for being provided with outward and tilting down between the right edge (42) of connector (4).
6. punching according to claim 5, characterized in that the arc length of the right camber line (9) be less than left camber line (8) two/
One arc length.
7. a kind of stator core, characterized in that including according to claim 1 to 6 any punchings (1), punching described in several piece
(1) connecting hole (7) for laminating and passing through by connector each piece of punching up and down, each piece of punching is connected and constitutes one group of iron
Core module (10), iron core module (10) described in array with including spelling joint (4) one end of punching (1), the side of crosspiece (2) outside
Formula is stitched together by circumferential order, and each punching dovetail boss (6) in previous iron core module (10) is embedded in latter iron core mould
The dovetail groove (5) of correspondence punching (1) on block (10) has via clearance (11) with composition center, there is winding department in outside
The circular stator iron core of slot (12).
8. stator core according to claim 7, characterized in that the crosspiece arc of the iron core module (10) of two adjacent groups
Have between outer edge (21) gap (13), the gap (13) is connected to winding department slot (12), and the gap (13) constitutes coiling
Between slot (12) entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220327.6U CN209516760U (en) | 2018-12-27 | 2018-12-27 | A kind of punching and the stator core including the punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220327.6U CN209516760U (en) | 2018-12-27 | 2018-12-27 | A kind of punching and the stator core including the punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516760U true CN209516760U (en) | 2019-10-18 |
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ID=68197786
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220327.6U Active CN209516760U (en) | 2018-12-27 | 2018-12-27 | A kind of punching and the stator core including the punching |
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| CN (1) | CN209516760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661577A (en) * | 2020-06-12 | 2020-09-15 | 浙江瑞晟智能科技股份有限公司 | Elbow splicing block and elbow assembly |
| CN111756130A (en) * | 2020-07-27 | 2020-10-09 | 四川腾邦科技有限公司 | Stator core of magneto |
-
2018
- 2018-12-27 CN CN201822220327.6U patent/CN209516760U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661577A (en) * | 2020-06-12 | 2020-09-15 | 浙江瑞晟智能科技股份有限公司 | Elbow splicing block and elbow assembly |
| CN111661577B (en) * | 2020-06-12 | 2021-12-10 | 浙江瑞晟智能科技股份有限公司 | Elbow splicing block and elbow assembly |
| CN111756130A (en) * | 2020-07-27 | 2020-10-09 | 四川腾邦科技有限公司 | Stator core of magneto |
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