CN204669121U - A kind of motor case - Google Patents
A kind of motor case Download PDFInfo
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- CN204669121U CN204669121U CN201520305495.9U CN201520305495U CN204669121U CN 204669121 U CN204669121 U CN 204669121U CN 201520305495 U CN201520305495 U CN 201520305495U CN 204669121 U CN204669121 U CN 204669121U
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- pole
- pawl
- annular sidewall
- motor case
- housing
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Abstract
The utility model discloses a kind of motor case, comprise the housing of the tubular be enclosed to form by annular sidewall and end plate, housing tip is openend, annular sidewall is upper downward-extension, end plate is arranged on annular sidewall bottom, the top end face of annular sidewall is provided with side otch and the cover plate mounting groove for installing cover plate, and the upper shed width of side otch is greater than its lower end width; End plate is provided with centre bore, location hole, pawl hole, pole and pole pawl, described pole pawl is the in-flanges of hole material to bending in housing in pawl hole, pole, the central axis that pawl hole, pole and pole pawl are around housing is arranged uniformly at intervals, pole pawl be around casing center axis be the bending and axially extended arc plate of circular arc.The utility model is a kind of pole pawl and side otch is not yielding, properties of product are higher motor case.
Description
Technical field
The utility model relates to the parts of motor, particularly relates to a kind of motor case.
Background technology
The casing of existing motor is overall stamping-out, die-cut and the bending of the die-cut and pole pawl of the side otch of housing is for completing by multiple mould substep, the precision of motor case is lower, complex process, inefficiency, and the openend of the pole pawl of motor case and side otch is easily out of shape, and affects properties of product.
Utility model content
The purpose of this utility model is to provide a kind of pole pawl and side otch is not yielding, properties of product are higher motor case.
For achieving the above object, the utility model adopts following technical scheme: a kind of motor case, comprise the housing of the tubular be enclosed to form by annular sidewall and end plate, housing tip is openend, downward-extension on annular sidewall, end plate is arranged on annular sidewall bottom, the top end face of annular sidewall is provided with side otch and the cover plate mounting groove for installing cover plate, annular sidewall and end plate are integral type structure, side otch extends downward the bottom of annular sidewall, and the upper shed width of side otch is greater than its lower end width; End plate is provided with centre bore, location hole, pawl hole, pole and pole pawl, described pole pawl is the in-flanges of hole material to bending in housing in pawl hole, pole, pawl hole, pole and pole pawl are all arranged uniformly at intervals around the central axis of housing, pole pawl be around casing center axis be the bending and axially extended arc plate of circular arc.
Pole pawl is lower large little trapezoidal shape.
The lower end width of side otch reduces 3%-5% than its upper shed width.
Described pole pawl is 6 or 8.
Pole pawl is its outer plate surface in the burr face by being formed during mould molding.
Side otch is positioned in the outside wall surface of annular sidewall on the burr limit by being formed during mould molding.
A kind of motor case described in the utility model, there is following beneficial effect: because the upper shed width of side otch is greater than its lower end width, and then the deflection of side otch upper opening can be controlled, make side otch upper, open end not yielding, after preventing motor case completely shaping, side otch is trapezoidal, causes shell nozzle end to lose circle.Pole pawl is the in-flanges in pawl hole, pole and pole pawl is arc plate, can improve casing working (machining) efficiency and improve the intensity of pole pawl.The burr face of pole pawl is its outer plate surface, and the burr limit of side otch is positioned in the outside wall surface of annular sidewall, all can improve the serviceability of motor case.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the product Layout of each station when utilizing continuous mould to carry out the production of motor case in the utility model embodiment 2;
Fig. 4 is the structural representation of the cross section of the drift of blanking die;
Fig. 5 is the structural representation of motor case in the step (6) of embodiment 2;
Fig. 6 is the A direction view in Fig. 5;
Fig. 7 is the structural representation of motor case in the step (7) of embodiment 2;
Fig. 8 is the B direction view in Fig. 7;
Fig. 9 is the structural representation of motor case in the step (8) of embodiment 2;
Figure 10 is the C direction view of Fig. 9.
Description of reference numerals: 1, pawl hole, pole, 2, pole pawl, 3, annular sidewall, 4, cover plate mounting groove, 5, openend, 6, centre bore, 7, end plate, 8, central axis, 9, location hole, 10, material strip, 11, rear lateral portion, 12, first station, 13, front side portion, 14, circular flitch, 15, second station, 16, 3rd station, 17, 4th station, 18, 5th station, 19, 6th station, 20, 7th station, 21, 8th station, 22, 9th station, 23, tenth station, 24, 11 station, 25, 12 station, 26, 13 station, 27, side otch, 28, side blow head, 29, left side outer edge, 30, inside edge, left side, 31, three-arc edge, 32, first arc-shaped edges edge, 33, middle drift, 34, 5th arc-shaped edges edge, 35, right side outer edge, 36, inside edge, right side, 37, 6th arc-shaped edges edge, 38, second arc-shaped edges edge, 39, 4th arc-shaped edges edge.
Embodiment
Embodiment 1:
By a kind of motor case shown in Fig. 1-Fig. 2, comprise the housing of the tubular be enclosed to form by annular sidewall 3 and end plate 7, downward-extension on annular sidewall 3, end plate 7 is arranged on annular sidewall 3 bottom, housing tip is openend 5, namely the top mouth end of annular sidewall 3 is the openend 5 of housing, and the top end face of annular sidewall 3 is the top end face of housing.Annular sidewall 3 and end plate 7 are integral type structure.
The top end face of annular sidewall 3 is provided with side otch 27 and the cover plate mounting groove 4 for installing cover plate, and cover plate mounting groove 4 arranges several altogether, and cover plate mounting groove 4 is prior art, therefore does not describe in detail.Side otch 27 both sides are also equipped with described cover plate mounting groove 4, and side otch 27 is communicated with two cover plate mounting grooves 4 of its both sides, and side otch 27 extends downward the bottom of annular sidewall 3 from the top end face of annular sidewall 3.Side otch 27 is downward-extension vertically, the lower end of side otch 27 is positioned on the upside of the bottom of annular sidewall 3, the upper shed width of side otch 27 is greater than its lower end width, when side otch 27 both sides are all communicated with cover plate mounting groove 4, the upper shed width of side otch 27 refers to the distance of two bottom lands respectively and between two joining places formed between side otch 27 dual-side of the two cover plate mounting grooves 4 be connected with side otch 27 both sides, the lower end width M (i.e. bottom width) of side otch 27 reduces 3% than the upper shed width L of side otch 27, certainly, the utility model is not limited to above-mentioned form, the lower end width M of side otch 27 than the reduction of the upper shed width L of side otch 27 between 3%-5%.
Side otch 27 is positioned in the outside wall surface of annular sidewall 3 on the burr limit 40 by being formed during mould molding, namely side otch 27 is when side blow is shaping, side otch 27 is rush to hull outside by housing, this burr limit 40 is positioned on the edge that side mouth is connected with the outside wall surface of annular sidewall 3, can improve the using function of motor case like this.
Described end plate 7 is provided with centre bore 6, location hole 9, pawl hole, pole 1 and pole pawl 2, and location hole 9 arranges two altogether, and two location holes 9 lay respectively at the both sides of centre bore 6.
Described pole pawl 2 is that the hole material in pawl hole, pole 1 is along the inside edge in pawl hole, pole 1 to the in-flanges of bending in housing, the central axis 8 that pawl hole, pole 1 and pole pawl 2 are around housing is arranged uniformly at intervals, all pole pawls 2 are all positioned at circumferentially same, pole pawl 2 is bend and axially extended arc plate around casing center axis 8 in circular arc, and pole pawl 2 is lower large little trapezoidal shape, pole pawl 2 and pawl hole, pole 1 are one_to_one corresponding, pole pawl 2 arranges 8 altogether, pawl hole, pole 1 is also 6, certainly, the utility model is not limited to above-mentioned form, and pole pawl 2 and pawl hole, pole 1 also can all arrange 6.Pole pawl 2 is the outer plate surface towards annular sidewall 3 of pole pawl 2 in the burr face by being formed during mould molding, and namely pole pawl 2 is when punching molding, for die-cut in housing by hull outside, can improve the serviceability of motor case like this.Pawl hole, pole 1 can be used as the louvre of motor case.
A kind of motor case described in the utility model, because the upper shed width of side otch 27 is greater than its lower end width, and then the deflection of side otch 27 upper opening can be controlled, make side otch 27 upper, open end 5 not yielding, after preventing motor case completely shaping, side otch 27, in trapezoidal, causes shell nozzle end 5 to lose circle.
Embodiment 2:
Fig. 3---Figure 10 is the forming method of motor case described in a kind of embodiment 1, material strip 10 is walked in motor case continuous mould, material strip 10 is for front and back extension and material strip 10 is charging from back to front, and material strip 10 comprises the operation of following operation successively on each station of continuous mould to material strip 10:
(1), material strip 10 first station 12 cuts out the front side portion 13 with front arc-shaped edges edge wherein, there is rear lateral portion 11 and the connecting band on rear arc-shaped edges edge, rear lateral portion 11 is thrown away with the material strip clout on rear side of it and is connected as a single entity, front arc-shaped edges edge and rear arc-shaped edges edge are for arrange dorsad, and front arc-shaped edges edge and rear arc-shaped edges can form a full circle shape along when connecting, before connecting band is connected to, between rear lateral portion 11, before adjacent, two connecting bands are connected with altogether between rear lateral portion 11, article two, connecting band lays respectively at the left and right sides of material strip and is symmetrical arranged, connecting band is the band that is flexible coupling.The front side portion 13 that material strip 10 punches out on first station 12 when upper once charging with previous die-cut time the rear lateral portion 11 that formed relative and jointly form a circular flitch 14.
Corresponding first station 12 of continuous mould is provided with blanking die, as shown in Figure 4, this blanking die has three drifts: be positioned at middle middle drift 33 and lay respectively at two side blow heads 28 of middle drift 33 left and right side, the edge of the front and rear sides of middle drift 33 be respectively the first arc-shaped edges along 32 and second arc-shaped edges along 38, the edge of arranged on left and right sides is respectively inside edge 30, left side and inside edge, right side 36, inside edge 30, side blow head 28 corresponding left side, left side is provided with left side outer edge 29, and left side side blow head 28 is respectively equipped with three-arc edge 31 and the 4th arc-shaped edges along 39 in the forward and backward side of left side outer edge 29, inside edge 36, side blow head 28 corresponding right side, right side is provided with right side outer edge 35, right side side blow head 28 be respectively equipped with in the forward and backward side of right side outer edge 35 the 5th arc-shaped edges along 34 and the 6th arc-shaped edges along 37, inside edge 30, left side and left side outer edge 29 are interval relative set, inside edge 36, right side and right side outer edge 35 are interval relative set, blanking die is provided with the die suitable with its drift, during blanking die work, inside edge 30, left side and left side outer edge 29 acting in conjunction can punch out the connecting band in left side, inside edge 36, right side and right side outer edge 35 acting in conjunction can punch out the connecting band on right side, three-arc edge 31, first arc-shaped edges along 32 and the 5th arc-shaped edges can punch out arc-shaped edges edge before front side portion 13 along 34, 4th arc-shaped edges is along 39, second arc-shaped edges along 38 and the 6th arc-shaped edges can to punch out the rear arc-shaped edges edge of rear lateral portion 11 along 37.
(2), on three stations, three drawing are carried out to circular flitch 14, namely stretch for the first time on second station 15, the 3rd station 16 carries out succeeding stretch, the 4th station 17 carries out three times and stretches, after having stretched when three times, form annular sidewall 3 and end plate 7.
(3), on the 5th station 18, centre bore 6 and two location holes 9 are punched out to end plate 7.
(4), on the 6th station 19 to annular sidewall 3 side blow side otch 27, side otch 27 is rush to hull outside by housing.
(5), on the 7th station 20 to annular sidewall 3 upper end side blow cover plate mounting groove 4;
(6), on the 8th station 21, punch out eight pole pawls 2 and pawl hole, eight pole 1 on end plate 7, as shown in Figure 5 and Figure 6, now pole pawl 2 and end plate 7 are in acute angle.Pole pawl 2 is die-cut in housing by hull outside.
(7), on the 9th station 22 carry out bending around the circular arc of casing center axis 8 to pole pawl 2, now motor case as shown in Figure 7 and Figure 8.
(8), on the tenth station 23 make it axial extension to pole pawl 2 punching press, now motor case as shown in Figure 9 and Figure 10.
(9), on the 11 station 24, shaping is carried out to pole pawl 2.
(10), on the 12 station 25, rotary-cut is carried out to shell nozzle end 5, namely the clout of the unnecessary height component in shell nozzle end 5 place is fallen by the rotary-cutting die rotary-cut on continuous mould, make the top end face of housing more smooth, and make housing meet the requirement of height dimension.In step (1)---in step (10), between the workpiece of adjacent two stations, there are two connecting bands all the time.
(11), on the 13 station 26 cut off connecting band (i.e. clout), so far, motor case is shaping.
Upper bolster and the described blanking die that should set gradually first station 12 in corresponding step (1) between die shoe of described continuous mould, in corresponding step (2) second, 3rd, three drawing dies of the 4th station 17, the punching blanking mould of the 5th station 18 in corresponding step (3), in corresponding step (4), the 6th station 19 can the side-punching mould of side blow side otch 27, in corresponding step (5), the 7th station 20 can the blanking die of side blow cover plate mounting groove 4, in corresponding step (6), the 8th station 21 can the die cutting die of die-cut pole pawl 2, the bending mould of the flexible pole pawl 2 of the 9th station 22 in corresponding step (7), the diel of the tenth station 23 in corresponding step (8), the shaping mould of the 11 station 24 in corresponding step (9), the cut-out mould of the 13 station 26 in the rotary-cut shaving die of the 12 station 25 and corresponding step (11) in corresponding step (10).
The forming method of a kind of motor case described in the utility model, by continuous mould by motor case punch forming, decreases positioning work, improves production efficiency and workpiece accuracy.
Claims (6)
1. a motor case, comprise the housing of the tubular be enclosed to form by annular sidewall and end plate, housing tip is openend, downward-extension on annular sidewall, end plate is arranged on annular sidewall bottom, and the top end face of annular sidewall is provided with side otch and the cover plate mounting groove for installing cover plate, and annular sidewall and end plate are integral type structure, it is characterized in that: side otch extends downward the bottom of annular sidewall, the upper shed width of side otch is greater than its lower end width; End plate is provided with centre bore, location hole, pawl hole, pole and pole pawl, described pole pawl is the in-flanges of hole material to bending in housing in pawl hole, pole, pawl hole, pole and pole pawl are all arranged uniformly at intervals around the central axis of housing, pole pawl be around casing center axis be the bending and axially extended arc plate of circular arc.
2. a kind of motor case as claimed in claim 1, is characterized in that: pole pawl is lower large little trapezoidal shape.
3. a kind of motor case as claimed in claim 1, is characterized in that: the lower end width of side otch reduces 3%-5% than its upper shed width.
4. a kind of motor case as claimed in claim 1, is characterized in that: described pole pawl is 6 or 8.
5. a kind of motor case as claimed in claim 1, is characterized in that: pole pawl is its outer plate surface in the burr face by being formed during mould molding.
6. a kind of motor case as claimed in claim 1, is characterized in that: side otch is positioned in the outside wall surface of annular sidewall on the burr limit by being formed during mould molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305495.9U CN204669121U (en) | 2015-05-12 | 2015-05-12 | A kind of motor case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305495.9U CN204669121U (en) | 2015-05-12 | 2015-05-12 | A kind of motor case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204669121U true CN204669121U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520305495.9U Active CN204669121U (en) | 2015-05-12 | 2015-05-12 | A kind of motor case |
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| Country | Link |
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| CN (1) | CN204669121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553164A (en) * | 2016-03-08 | 2016-05-04 | 江苏凯德电控科技有限公司 | Energy-saving and efficient motor housing with high positioning accuracy |
-
2015
- 2015-05-12 CN CN201520305495.9U patent/CN204669121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553164A (en) * | 2016-03-08 | 2016-05-04 | 江苏凯德电控科技有限公司 | Energy-saving and efficient motor housing with high positioning accuracy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |