CN106341011A - Circular compression method for motor enclosure - Google Patents
Circular compression method for motor enclosure Download PDFInfo
- Publication number
- CN106341011A CN106341011A CN201611056052.6A CN201611056052A CN106341011A CN 106341011 A CN106341011 A CN 106341011A CN 201611056052 A CN201611056052 A CN 201611056052A CN 106341011 A CN106341011 A CN 106341011A
- Authority
- CN
- China
- Prior art keywords
- mould
- plate
- motor case
- waveform
- concave part
- 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.)
- Pending
Links
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
- H02K15/14—Casings; Enclosures; Supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a circular compression method for a motor enclosure. The method comprises the steps of 1, blanking a rectangle semi-finished product piece which meets the size demand of the motor enclosure developed piece; 2, placing the rectangle semi-finished product piece in the prebending mold, compressing the rectangle semi-finished product piece into a wave-shaped prebent piece which is concave downward in the middle and convex on both sides; 3, placing the wave-shaped prebent piece into the circular compression mold to compress the wave-shaped prebent piece into a cylinder motor enclosure; 4, placing the cylinder motor in the shaping mold, conducting further circular compression to meet the demand of inner hole accuracy. Through the steps of the circular compression method for the motor enclosure, a board can be circularly compressed into the motor enclosure with high accuracy and raw materials are greatly saved, which shows advantages of drastically reducing cost of production and rejection rate as well as increasing production efficiency and economic efficiency in large-scale production of motors.
Description
Technical field
The present invention relates to pressure circle equipment design field is and in particular to a kind of motor case presses circle method.
Background technology
Stator is the matrix of motor, and columnar motor case is to carry motor both sides end cap and ensure stator and rotor
The most important part of clearance evenness degree, thus optimize casing structure and just seem particularly necessary with manufacturing process.
Existing cylindrical motor casing is mostly supported by following two modes:
1st, casing is gone out with seamless steel pipe car, this manufacture method exist waste raw material, high cost, production efficiency is low asks
Inscribe, and this method is not suitable for making large-scale motor case；
2nd, Single Size Rectangular Blanks are directly disposably rolled into a columnar casing by rolling tools, seam is with the side of welding
Method eliminates, and the cylindrical casing that this method is made has low precision, the problems such as stitching portion does not line up.
Content of the invention
For the problem in background technology, the invention provides a kind of motor case pressure circle method, comprise the following steps:
Step one, it is punched out meeting the Single Size Rectangular Blanks part that motor case launches part dimensional requirement；
Step 2, Single Size Rectangular Blanks part is placed in pre-bend mould, Single Size Rectangular Blanks are pressed into the raised ripple in middle recessed both sides
The pre- comer pieces of shape wave；
Step 3, pre- for waveform comer pieces is placed in circular bending die tool in, pre- for waveform comer pieces is pressed into a cylindrical casing；
Step 4, cylindrical casing is placed in shaping mold, further circularity finishing is carried out so as to reach to casing
Inside and outside hole precision requires.
It is preferred that step one further includes: the two ends of Single Size Rectangular Blanks be punched out respectively some match convex take
Button and recessed hasp；During being pressed into cylindrical casing in step 3, described convex hasp puts in described recessed hasp, is spliced into
One complete casing.
It is preferred that described pre-bend mould includes:
First lower template, its upper end is fixed with first time raised mould of recessed both sides in the middle of；
First cope match-plate pattern, its lower end is fixed with mould on first of convex both sides fovea superior under a centre, mould and institute on described first
State first time mould to match；
Described Single Size Rectangular Blanks part is placed on described first time mould, and described first cope match-plate pattern drives and is embossed in institute on described first
State on the Single Size Rectangular Blanks part on first time mould.
It is preferred that the surrounding of described first time mould is additionally provided with the first location-plate, described first location-plate is used for placement
The surrounding of the Single Size Rectangular Blanks part on described first time mould is positioned.
It is preferred that described pre-bend mould also includes hold-down column and elastic construction, described elastic construction is arranged on described
The lower section of one lower template, the lower end of described hold-down column is arranged on elastic construction, and the upper end of described hold-down column passes through described first
Lower template and first time mould stretch out and withstand on described Single Size Rectangular Blanks part, existing to ensure that whole pre-bending process Single Size Rectangular Blanks no shift
As；On described first, mould is descending and pushes described Single Size Rectangular Blanks part, and it is descending that described hold-down column press against described elastic construction therewith.
It is preferred that described elastic construction is by upper rubber backing plate, lower rubber backing plate, and be arranged on described upper rubber backing plate and
Compress rubber composition between lower rubber backing plate, the lower end of described hold-down column is fixedly connected with upper rubber backing plate.
It is preferred that being provided with the first guider between described first cope match-plate pattern and described first lower template, described first
Guider includes the first guide pin bushing being arranged on described first cope match-plate pattern and be arranged in described first lower template first
Guide pillar, the upper end of described first guide pillar puts in described first guide pin bushing and can move axially along described first guide pin bushing.
It is preferred that described circular bending die tool includes:
Drag chamber fixed plate, its upper end is provided with model cavity, and described drag chamber middle setting has deeper big
Circular arc lower concave part, the both sides of described circular arc lower concave part are provided with shallower little arc lower concave part；
Upper mould fixed plate, its lower end is provided with a pressure cylinder, and described pressure cylinder is matched with described orthodrome lower concave part, and
The external diameter of described pressure cylinder is in the same size with the internal diameter of motor case；
The pre- comer pieces of described waveform is placed on described drag chamber, and the boss in the middle of the pre- comer pieces of described waveform in
The top of described orthodrome lower concave part, the concave part of the pre- comer pieces both sides of described waveform is in described small arc-shaped lower concave part；Institute
Stating upper mould fixed plate drives described pressure cylinder to push, and described pressure cylinder heads on the pre- comer pieces of waveform and is pressed into described orthodrome lower concave part
Interior, the lower concave part of the pre- comer pieces both sides of described waveform along symmetrical centre gradually on turn over and wrap pressure cylinder.
It is preferred that described drag chamber front and back end is provided with the second location-plate, described location-plate be used for being opposite to described under
The front and back end of the pre- comer pieces of the waveform on model cavity is positioned.
It is preferred that one end of described pressure cylinder is fixed on described upper mould fixed plate by a cantilever；Described pressure cylinder
One supporting pin is coaxially arranged with other end end face, described upper mould fixed plate is additionally provided with swinging mounting, described swinging mounting
One end may be rotatably mounted on described upper mould fixed plate, the other end is provided with a hook formation, and described swinging mounting is vertically put down
Swing so as to the hook formation of end catches on described supporting pin in face.
It is preferred that being provided with the second guider between described upper mould fixed plate and drag chamber fixed plate, described second
Guider includes the second guide pin bushing being arranged on described upper mould fixed plate and is arranged in the fixed plate of described drag chamber
Second guide pillar, the upper end of described second guide pillar puts in described second guide pin bushing and can move axially along described second guide pin bushing.
It is preferred that described shaping mold includes:
Second lower template, is fixed with second time mould thereon, the upper surface of described upper mould is provided with one semicircle recessed
Portion；
Second cope match-plate pattern, is fixed with mould on one second thereon, and the lower surface of described lower mould is provided with a semicircle fovea superior
Portion；Described semi-circular dips form a cylindrical structural consistent with motor case external diameter with described semicircle upper recess；
Plug, the cylindrical casing obtaining through described circular bending die tool is set on described plug, is cased with cylindrical shape machine
The plug of shell is placed in described semicircle lower concave part, and described second cope match-plate pattern drives mould on described second to push, under described semicircle
On the lateral wall that recess is pressed in described cylindrical casing together with described semicircle upper recess.
It is preferred that after being embossed on described cylindrical casing on described second, mould lower surface and described the on described second
Leave gap between two times mould upper surfaces, play position-limiting action after the micro plastic deformation of finishing.
It is preferred that being provided with the 3rd guider between described second cope match-plate pattern and described second lower template, the described 3rd
Guider includes the 3rd guide pin bushing being arranged on described second cope match-plate pattern and the be arranged in described second lower template the 3rd
Guide pillar, the upper end of described 3rd guide pillar puts in described 3rd guide pin bushing and can move axially along described 3rd guide pin bushing.
The present invention is due to using above technical scheme, being allowed to compared with prior art, have the following advantages that and actively imitate
Really:
The motor case pressure circle method that the present invention provides, is on the one hand obtained using seamless steel pipe turning with respect in prior art
Obtain cylinder casing, the present invention greatlys save raw material, reduces cost, and process simple, efficiency high；Still further aspect, this
Sheet material pressure can be justified into high-precision motor casing by pre-bending, pressure circle, three steps of integer by invention, and its pressure circle precision is more
Height, and stitching portion alignment, are less prone to deviation.Meanwhile, the present invention motor production in enormous quantities in shown production cost and
Percent defective greatly reduces, improves the advantage of production efficiency and economic benefit.
Brief description
In conjunction with accompanying drawing, by hereafter state detailed description, can be more clearly understood that the present invention above-mentioned and other feature and
Advantage, wherein:
Fig. 1 is the structural representation of Single Size Rectangular Blanks part in the present invention；
Fig. 2 is the perspective view of medium wave shape wave pre-bending part of the present invention；
Fig. 3 is the front view of medium wave shape wave pre-bending part of the present invention；
Fig. 4 is the structural representation of cylindrical casing in the present invention；
Fig. 5 is the structural representation of pre-bend mould in the present invention；
Fig. 6 is the front view of circular bending die tool in the present invention；
Fig. 7 is the side view of circular bending die tool in the present invention；
Fig. 8 is the front view of shaping mold in the present invention；
Fig. 9 is the schematic diagram of casing depoling in the present invention.
Specific embodiment
Referring to the accompanying drawing illustrating the embodiment of the present invention, the present invention is described in more detail.However, the present invention can be with
Many multi-forms are realized, and the embodiment that should not be construed as by herein proposing is limited.On the contrary, proposing these embodiments is
In order to reach abundant and complete disclosure, and those skilled in the art are made to understand the scope of the present invention completely.These are attached
In figure, for clarity, may be exaggerated size and the relative size in layer and region.
The invention provides a kind of motor case pressure circle method, specifically comprise the following steps:
Step one, it is punched out meeting the Single Size Rectangular Blanks part that motor case launches part dimensional requirement；
Step 2, Single Size Rectangular Blanks part is placed in pre-bend mould, Single Size Rectangular Blanks are pressed into the raised ripple in middle recessed both sides
The pre- comer pieces of shape wave；
Step 3, pre- for waveform comer pieces is placed in circular bending die tool in, pre- for waveform comer pieces is pressed into a cylindrical casing；
Step 4, cylindrical casing is placed in shaping mold, further circularity finishing is carried out so as to reach to casing
Inner hole precision requires.
The present invention makes columnar motor case by above-mentioned steps, on the one hand adopts no with respect in prior art
Seam turning of steel tube obtains cylinder casing, and the present invention greatlys save raw material, reduces cost, and processes simple, efficiency high；Separately
Outer one side, the present invention is pressed into a cylindrical motor casing by pre-bending, pressure circle, three steps of integer, and its pressure circle precision is more
Height, and stitching portion alignment, are less prone to deviation.Meanwhile, the present invention motor production in enormous quantities in shown production cost and
Percent defective greatly reduces, improves the advantage of production efficiency and economic benefit.
In the present embodiment, with reference to Fig. 1, a Single Size Rectangular Blanks part 1 is punched out on blanking die, this Single Size Rectangular Blanks part 1 and electricity
The length and width of the expansion part of machine casing are consistent；Further, at the two ends of Single Size Rectangular Blanks part 1 respectively punching convex hasp 101, recessed take
Button 102, convex hasp 101 and recessed hasp 102 match, and after Single Size Rectangular Blanks part 1 is pressed into cylindrical shape, convex hasp 101 just falls
Enter in recessed hasp 102, so that the two ends direct splicing of Single Size Rectangular Blanks part 1 is together, ensure that the essence of stitching portion simultaneously
Degree, prevents the skew in the axial direction of stitching portion；Wherein, the convex hasp 101 in Single Size Rectangular Blanks part 1 two ends, recessed hasp 102 setting number can root
To be adjusted it is not limited to shown in Fig. 1 according to concrete condition.
Certainly, in other embodiments, the two ends of Single Size Rectangular Blanks part 1 also can not be punched out convex hasp 101, recessed hasp 102,
After Single Size Rectangular Blanks part 1 pressure circle, stitching portion is welded directly together, and this embodiment is also within the scope of the present invention.
Below motor case is pressed the pre-bend mould adopting in circle method, circular bending die tool, shaping mold to explain:
First, pre-bend mould
In the present embodiment, Single Size Rectangular Blanks part 1 is pressed into the pre- comer pieces of waveform as shown in figures 2-3 in pre-bend mould
2, the pre- comer pieces of this waveform 2 includes intermediate projections portion 201 and the lower concave part 202 being symmetricly set on lobe 201 both sides, lobe
201st, lower concave part 202 is axially disposed circular groove structure, and the arc radius wherein ensureing lower concave part 202 are close to electricity
The radius of machine casing.
In the present embodiment, with reference to shown in 5, pre-bend mould includes the first lower template 404, first time mould 409, first
Mould 408 on cope match-plate pattern 413, first.Specifically, the lower end of the first lower template 404 is provided with fixing feet 401, pre- for supporting
Bending mould；First time mould 409 is fixed on the upper surface of the first lower template 404 by structures such as screws, first time mould 409 upper
End face is in the raised shape in the pre- comer pieces 2 shape recessed both sides in centre always with waveform；First cope match-plate pattern 413 is located under first
The surface of template 404, on first, mould 408 is fixed on the lower surface of the first cope match-plate pattern 413 by structures such as screws 410, the
On one, mould 408 is relative with first time mould 409, and on first, mould 408 is in convex two under centre towards on the lower surface of first time mould 409
The shape of side fovea superior, on first, mould 408 and first time mould 409 match.
Single Size Rectangular Blanks part 1 is placed on first time mould 409, the first cope match-plate pattern 413 drives that mould 408 on first is descending to be pressed in the
Once on the Single Size Rectangular Blanks part 1 on mould 409, on first, Single Size Rectangular Blanks part 1 is pressed into institute in Fig. 2-3 by mould 408 and first time mould 409
The pre- comer pieces of waveform 2 shown.
Wherein, it is provided with the first guider between the first cope match-plate pattern 413 and the first lower template 404, for ensureing first
Cope match-plate pattern 413 is vertically descending with respect to the first lower template 404；First guider includes and is arranged on the first cope match-plate pattern 413
The first guide pin bushing 412 and the first guide pillar 411 being arranged in the first lower template 404, the upper end of the first guide pillar 411 puts in first and leads
Set 412 is interior and can move axially along the first guide pin bushing 412.
Wherein, the surrounding of first time mould 409 is additionally provided with the first location-plate, and the first location-plate is used for being placed under first
The surrounding of the Single Size Rectangular Blanks part 1 on mould 409 is positioned, and prevents Single Size Rectangular Blanks part 1 during pushing from shifting, thus protecting
The lobe in the pre- comer pieces of waveform that card is pressed into, lower concave part are all along on the width of Single Size Rectangular Blanks part 1, are all
Along this its axial direction, thus advantageously ensuring that the high accuracy of the follow-up motor case pressing circle gained.Specifically, Single Size Rectangular Blanks part 1
Left and right sides be respectively arranged with the first location-plate 405, front and back end is respectively arranged with the first location-plate 407；Wherein, Single Size Rectangular Blanks part
All the time be between 1 and the first location-plate 407 of front and back end gap cooperation, thus effectively prevent blank in pre-bending process
In the dislocation that is likely to occur and distortion.
Wherein, pre-bend mould also includes hold-down column 406 and elastic construction, and elastic construction is arranged on the first lower template 404
Lower section, the lower end of hold-down column 406 is arranged on elastic construction, and the upper end of hold-down column 406 passes through the first lower template 404 and first
Lower mould 409 stretches out and withstands on Single Size Rectangular Blanks part 1；On first, mould 408 is descending and when pushing Single Size Rectangular Blanks part 1, hold-down column 406 is therewith
Press against elastic construction descending.Because, Single Size Rectangular Blanks part is during being pressed, the work of the first location-plate 405 of both sides around
With fading away, now by hold-down column 406 in the presence of elastic construction resilience force so that Single Size Rectangular Blanks part be in all the time by
Impaction state, ensures that Single Size Rectangular Blanks part 1 will not be shifted over phenomenon during pre-bending.
Further, elastic construction is by upper rubber backing plate, lower rubber backing plate 402, and be arranged on rubber backing plate and under
Compress rubber 403 between rubber backing plate forms, and the lower end of hold-down column 406 is fixedly connected with upper rubber backing plate.Certainly, at other
In embodiment, the form of elastic construction is not limited to the above, and the structures such as spring may also be employed；The present invention adopts area relatively
Big rubber non-usage spring as elastic construction, can save axial space to greatest extent and (reduce fixing feet 401
Highly).
2nd, circular bending die tool
In the present embodiment, obtain such as Fig. 4 after circular bending die tool again through the pre- comer pieces of the waveform that pre-bend mould presses
Shown in cylindrical casing 3, the consistent size of the size of this cylindrical casing 3 and target motor casing.
In the present embodiment, with reference to 6-7, circular bending die tool includes drag chamber fixed plate 508, drag chamber 510, upper mould
Fixed plate 513, pressure cylinder 504.Specifically, the lower end of drag chamber fixed plate 508 is provided with fixing feet 507, for supporting
Circular bending die has.Drag chamber 510 is fixed on the upper surface of drag chamber fixed plate 508 by structures such as screws, drag chamber
510 middle settings have deeper orthodrome lower concave part, and the both sides of circular arc lower concave part are provided with shallower little arc lower concave part；Upper mould
Fixed plate 513 is located at the surface of drag chamber fixed plate 508, and pressure cylinder 504 is fixed on the lower surface of upper mould fixed plate 513
On, pressure cylinder 504 is relative with the orthodrome lower concave part in the middle of drag chamber 510, presses cylinder 504 and orthodrome lower concave part phase
Join, and press cylinder external diameter in the same size with the internal diameter of motor case that needs are made.
The pre- comer pieces of waveform 2 is placed on drag chamber 510, and the lobe 201 in the middle of the pre- comer pieces of waveform 2 is located at great circle
The top of arc lower concave part, the lower concave part 202 of the pre- comer pieces of waveform 2 both sides is located in small arc-shaped lower concave part；Upper mould fixed plate 513 carries
Dynamic pressure cylinder 504 pushes, and pressure cylinder 504 heads on the pre- comer pieces of waveform 2 and is pressed in orthodrome lower concave part, waveform pre- comer pieces both sides
Lower concave part along the symmetrical centre central shaft of cylinder (press) gradually on turn over and wrap pressure cylinder 504；When pressure cylinder 504 is pressed
During to bottom, convex hasp accurately falls into accordingly in recessed hasp.
Wherein, it is provided with the second guider, for ensureing between upper mould fixed plate 513 and drag chamber fixed plate 508
Upper mould fixed plate 513 is vertically descending with respect to drag chamber fixed plate 508；Second guider includes and is arranged on mould and fixes
The second guide pin bushing 514 on plate 513 and the second guide pillar 512 being arranged in drag chamber fixed plate 508, the second guide pillar 512 upper
End puts in the second guide pin bushing 514 and can move axially along the second guide pin bushing 514.
Wherein, drag chamber 510 front and back end is provided with the second location-plate, and location-plate is used for being opposite to drag chamber 510
The front and back end of the pre- comer pieces of waveform positioned.Specifically, the left side of drag chamber 510 front end is provided with one second positioning
Plate, the rear end in drag chamber 510 is middle and right side is provided with one second location-plate 511,509.In the rear end in drag chamber 510
Between the second location-plate 511 upper end arc profile be less than cylindrical casing internal bore profile line, thus do not affect press cylinder 504
Bottom can normally be pressed to.
Wherein, one end of pressure cylinder 504 is fixed on upper mould fixed plate 513 by a cantilever 505；The one of pressure cylinder 504
End (pressing the left end of cylinder 504 in Fig. 7) is stepped to be laterally vertically fixed on cantilever 505, and cantilever 505 passes through screw 506
It is fixed on the lower surface of upper mould fixed plate 513；Pressure cylinder 504 left side setting is stepped, enhances its rigidity.Pressure cylinder
One supporting pin 502 is coaxially arranged with 504 other end end face, upper mould fixed plate 513 is additionally provided with swinging mounting 503, pendulum
One end of dynamic support 503 be may be rotatably mounted on upper mould fixed plate 513 by stop screw 501, and it is hook-shaped that the other end is provided with one
Structure, swings so as to the hook formation of end catches on supporting pin 502 in swinging mounting 503 perpendicular.Pressure cylinder 504 pushes
During, by the common support of cantilever 505 and swinging mounting 503, stress during work is converted into freely-supported by cantilever beam
Beam, greatly improves pressure cylinder issuable deformation in stress, fundamentally ensure that pressure cylinder 504 and drag chamber
510 still ensure that depth of parallelism index in working order；Pressure circle completes, and upper mould fixed plate upper body rotates the family 503 of swing, will justify
Cylindrical chassis remove from pressure cylinder 504.
3rd, shaping mold
The cylindrical casing obtaining through pre-bend mould and circular bending die tool, axial dimension is preferable, but inside and outside round size remains unchanged
Can there is oval error (0.1mm), therefore the present invention by shaping mold as last finishing procedure together, thus obtaining height
The motor case of precision.
With reference to Fig. 8, shaping mold include the second lower template 601, second time mould 603, on the second cope match-plate pattern 610, second
Mould 605, plug 604.Specifically, the lower end of the second lower template 601 is provided with fixing feet 608, for supporting shaping mold；The
Two times mould 603 is fixed on the upper surface of the second lower template 601 by structures such as screws, and the upper surface of second time mould 603 sets
It is equipped with semi-circular dips；Second cope match-plate pattern 610 is located at the surface of the second lower template 601, and on second, mould 605 passes through screw
The structures such as 606 are fixed on the lower surface of the second cope match-plate pattern 610, and on second, mould 605 is relative with second time mould 603, and on second
Mould 605 is provided with a semicircle upper recess towards on the lower surface of second time mould 603；Semi-circular dips and semicircle upper recess
Composition one cylindrical structural consistent with motor case external diameter, i.e. the radius of semi-circular dips and semicircle upper recess and motor
The external diameter of casing is consistent；Meanwhile, the external diameter of plug 604 and the internal diameter of motor case are consistent.
The cylindrical casing obtaining through circular bending die tool is set on plug 604, is cased with the plug 604 of cylindrical casing
It is placed in semicircle lower concave part, the second cope match-plate pattern 610 drives mould 605 on second to push, semi-circular dips and semicircle upper recess
It is pressed in together on the lateral wall of cylindrical casing 3.Cause inside and outside footpath because casing remains after circular bending die tool in a small amount of resilience
Size fail up to standard, by the present invention provide shaping mold just can be easily up to standard.Meanwhile, through squeezing the casing after shaping mold pressure
Obtain the effect of flow harden, so both increased the case hardness of casing, obtain after making casing inside/outside diameter size up to standard again
Stable.
After the completion of integer, take off the casing product being enclosed with plug 604, and unload shown in fig .9 for its vertical display
On barrel 611, aerostatic press ejects.
Wherein, it is provided with the 3rd guider between the second cope match-plate pattern 610 and the second lower template 601, for ensureing second
Cope match-plate pattern 610 is vertically descending with respect to the second lower template 601；3rd guider includes and is arranged on the second cope match-plate pattern 610
The 3rd guide pin bushing 602 and the 3rd guide pillar 609 being arranged in the second lower template 601, the upper end of the 3rd guide pillar 609 puts in the 3rd and leads
Set 602 is interior and can move axially along the 3rd guide pin bushing 602.
Wherein, after mould 605 is pressed on cylindrical casing 3 on second, on mould 605 lower surface and second time mould 603 on second
Gap is left between end face.Specifically, respectively grind off 0.125mm, so at mould 605 and second time mould 603 composition surface on second
Just obtain the spacing amount of finishing of 0.25mm, so that it is guaranteed that dimension overproof and excessive plasticity will not because stress is excessive in casing
Deformation.
Wherein, the axis of plug 604 offers through hole, being disposed to of through hole reduces labor intensity.
Those skilled in the art should be understood that the present invention can be implemented without departing from it with other concrete forms many
The spirit or scope of itself.Although having been described for the case study on implementation of the present invention it should be understood that the present invention should not be limited to these enforcements
Example, those skilled in the art can make change as within the spirit and scope of the present invention that appended claims define
And modification.
Claims (14)
1. a kind of motor case pressure circle method is it is characterised in that comprise the following steps:
Step one, it is punched out meeting the Single Size Rectangular Blanks part that motor case launches part dimensional requirement；
Step 2, Single Size Rectangular Blanks part is placed in pre-bend mould, Single Size Rectangular Blanks are pressed into the raised waveform in middle recessed both sides
Pre- comer pieces；
Step 3, pre- for waveform comer pieces is placed in circular bending die tool in, pre- for waveform comer pieces is pressed into a cylindrical casing；
Step 4, cylindrical casing is placed in shaping mold, further circularity finishing is carried out to casing so as to reach inside and outside
Hole precision requires.
2. motor case pressure circle method according to claim 1 is it is characterised in that step one has further included: in square
The two ends of shape blank are punched out some convex hasps matching and recessed hasp respectively；It is pressed into cylindrical casing mistake in step 3
Cheng Zhong, described convex hasp puts in described recessed hasp, is spliced into a complete casing.
3. motor case pressure circle method according to claim 1 is it is characterised in that described pre-bend mould includes:
First lower template, its upper end is fixed with first time raised mould of recessed both sides in the middle of；
First cope match-plate pattern, its lower end is fixed with mould on first of convex both sides fovea superior under a centre, mould and described the on described first
Once mould matches；
Described Single Size Rectangular Blanks part is placed on described first time mould, and described first cope match-plate pattern drives and is embossed in described the on described first
Once on the Single Size Rectangular Blanks part on mould.
4. motor case pressure circle method according to claim 3 is it is characterised in that the surrounding of described first time mould also sets up
There is the first location-plate, described first location-plate is used for the surrounding of the Single Size Rectangular Blanks part being placed on described first time mould being carried out determine
Position.
5. motor case pressure circle method according to claim 3 is it is characterised in that described pre-bend mould also includes compression
Post and elastic construction, described elastic construction is arranged on the lower section of described first lower template, and the lower end of described hold-down column is arranged on bullet
Property structure on, the upper end of described hold-down column passes through described first lower template and first time mould to stretch out and withstand on described Single Size Rectangular Blanks part
On；On described first, mould is descending and pushes described Single Size Rectangular Blanks part, and it is descending that described hold-down column press against described elastic construction therewith.
6. motor case pressure circle method according to claim 5 is it is characterised in that described elastic construction is by upper valve rubber
Plate, lower rubber backing plate, and it is arranged on the compress rubber composition between described upper rubber backing plate and lower rubber backing plate, described compression
The lower end of post is fixedly connected with upper rubber backing plate.
7. motor case according to claim 3 pressure circle method is it is characterised in that described first cope match-plate pattern and described first
It is provided with the first guider, described first guider includes being arranged on described first cope match-plate pattern between lower template
One guide pin bushing and the first guide pillar being arranged in described first lower template, the upper end of described first guide pillar puts in described first guide pin bushing
And can be along described first guide pin bushing axial movement.
8. motor case pressure circle method according to claim 1 is it is characterised in that described circular bending die tool includes:
Drag chamber fixed plate, its upper end is provided with model cavity, and described drag chamber middle setting has deeper orthodrome
Lower concave part, the both sides of described circular arc lower concave part are provided with shallower little arc lower concave part；
Upper mould fixed plate, its lower end is provided with a pressure cylinder, and described pressure cylinder is matched with described orthodrome lower concave part, and described
The external diameter of pressure cylinder is in the same size with the internal diameter of motor case；
The pre- comer pieces of described waveform is placed on described drag chamber, and the boss in the middle of the pre- comer pieces of described waveform is in described
The top of orthodrome lower concave part, the concave part of the pre- comer pieces both sides of described waveform is in described small arc-shaped lower concave part；On described
Mould fixed plate drives described pressure cylinder to push, and described pressure cylinder heads on the pre- comer pieces of waveform and is pressed in described orthodrome lower concave part,
The lower concave part of the pre- comer pieces both sides of described waveform along symmetrical centre gradually on turn over and wrap pressure cylinder.
9. motor case pressure circle method according to claim 8 is it is characterised in that described drag chamber front and back end is provided with
Second location-plate, the front and back end of the pre- comer pieces of waveform for being opposite on described drag chamber for the described location-plate is positioned.
10. motor case pressure circle method according to claim 8 is it is characterised in that one end of described pressure cylinder passes through one
Cantilever is fixed on described upper mould fixed plate；Be coaxially arranged with a supporting pin on the other end end face of described pressure cylinder, described on
Swinging mounting is additionally provided with mould fixed plate, one end of described swinging mounting may be rotatably mounted on described upper mould fixed plate, separately
One end is provided with a hook formation, swings so as to the hook formation of end catches on described in described swinging mounting perpendicular
Support pin.
11. motor cases according to claim 8 pressure circle methods are it is characterised in that described upper mould fixed plate and drag
It is provided with the second guider, described second guider includes and is arranged on described upper mould fixed plate between the fixed plate of chamber
Second guide pin bushing and the second guide pillar being arranged in the fixed plate of described drag chamber, the upper end of described second guide pillar puts in described second
Guide pin bushing is interior and can move axially along described second guide pin bushing.
12. motor case pressure circle methods according to claim 1 are it is characterised in that described shaping mold includes:
Second lower template, is fixed with second time mould thereon, the upper surface of described upper mould is provided with semi-circular dips；
Second cope match-plate pattern, is fixed with mould on one second thereon, and the lower surface of described lower mould is provided with a semicircle upper recess；Institute
State semi-circular dips and form a cylindrical structural consistent with motor case external diameter with described semicircle upper recess；
Plug, the cylindrical casing obtaining through described circular bending die tool is set on described plug, is cased with cylindrical casing
Plug is placed in described semicircle lower concave part, and described second cope match-plate pattern drives mould on described second to push, described semi-circular dips
On the lateral wall being pressed in described cylindrical casing together with described semicircle upper recess.
13. motor case pressure circle methods according to claim 12 are it is characterised in that be embossed in described circle on described second
After on cylindrical chassis, on described second, between mould lower surface and described second time mould upper surface, leave gap.
14. motor cases according to claim 12 pressure circle methods are it is characterised in that described second cope match-plate pattern and described the
It is provided with the 3rd guider, described 3rd guider includes and is arranged on described second cope match-plate pattern between two lower templates
3rd guide pin bushing and the 3rd guide pillar being arranged in described second lower template, the upper end of described 3rd guide pillar puts in described 3rd guide pin bushing
Interior and can along described 3rd guide pin bushing axial movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056052.6A CN106341011A (en) | 2016-11-23 | 2016-11-23 | Circular compression method for motor enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056052.6A CN106341011A (en) | 2016-11-23 | 2016-11-23 | Circular compression method for motor enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106341011A true CN106341011A (en) | 2017-01-18 |
Family
ID=57841816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611056052.6A Pending CN106341011A (en) | 2016-11-23 | 2016-11-23 | Circular compression method for motor enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106341011A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015129A (en) * | 2018-01-16 | 2018-05-11 | 太原科技大学 | A kind of portable autoroute backplate trimmer |
| CN112397968A (en) * | 2020-12-03 | 2021-02-23 | 浙江长城换向器有限公司 | Cutting ring forming mechanism and commutator copper shell forming method |
| CN114346130A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Single-layer closed wave spring precision machining control method and machining die thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100345A (en) * | 1987-01-09 | 1988-03-16 | 东方锅炉厂 | Multi-wave node plate in circular arc with equidistance forming method and device |
| KR100893211B1 (en) * | 2007-10-19 | 2009-04-16 | 주식회사 동희산업 | The guide bracket and manufacturing method of guide bracket |
| CN102738941A (en) * | 2011-04-06 | 2012-10-17 | 扬州市华胜机电制造有限公司 | Motor shell with positioning device |
| CN204633505U (en) * | 2015-04-29 | 2015-09-09 | 南京胜捷电机制造有限公司 | A kind of sheet material, circle_curling die and motor case |
| CN205324437U (en) * | 2015-12-31 | 2016-06-22 | 武汉协和齿环有限公司 | Die -cut mold tooling of ring gear forging overlap |
| CN206180797U (en) * | 2016-11-23 | 2017-05-17 | 苏州工业职业技术学院 | Motor shell presses circle to equip |
-
2016
- 2016-11-23 CN CN201611056052.6A patent/CN106341011A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100345A (en) * | 1987-01-09 | 1988-03-16 | 东方锅炉厂 | Multi-wave node plate in circular arc with equidistance forming method and device |
| KR100893211B1 (en) * | 2007-10-19 | 2009-04-16 | 주식회사 동희산업 | The guide bracket and manufacturing method of guide bracket |
| CN102738941A (en) * | 2011-04-06 | 2012-10-17 | 扬州市华胜机电制造有限公司 | Motor shell with positioning device |
| CN204633505U (en) * | 2015-04-29 | 2015-09-09 | 南京胜捷电机制造有限公司 | A kind of sheet material, circle_curling die and motor case |
| CN205324437U (en) * | 2015-12-31 | 2016-06-22 | 武汉协和齿环有限公司 | Die -cut mold tooling of ring gear forging overlap |
| CN206180797U (en) * | 2016-11-23 | 2017-05-17 | 苏州工业职业技术学院 | Motor shell presses circle to equip |
Non-Patent Citations (1)
| Title |
|---|
| 肖洪波，梁士红: "电动机外壳卷圆模设计", 《模具工业》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015129A (en) * | 2018-01-16 | 2018-05-11 | 太原科技大学 | A kind of portable autoroute backplate trimmer |
| CN112397968A (en) * | 2020-12-03 | 2021-02-23 | 浙江长城换向器有限公司 | Cutting ring forming mechanism and commutator copper shell forming method |
| CN112397968B (en) * | 2020-12-03 | 2022-07-15 | 浙江长城换向器有限公司 | Cutting ring forming mechanism and commutator copper shell forming method |
| CN114346130A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Single-layer closed wave spring precision machining control method and machining die thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202667408U (en) | V-shaped piece bending die | |
| CN207343606U (en) | Bend forming die | |
| CN104096747B (en) | Integrated motor shell processing method and motor shell punch-forming mold used | |
| JP2012071332A (en) | Method and apparatus for manufacturing bossed disc-like member | |
| CN105522057A (en) | Automotive part mould | |
| CN206343527U (en) | Sheet metal work fast ram mould | |
| CN106341011A (en) | Circular compression method for motor enclosure | |
| CN103978083A (en) | Forming method and forming tool for hinge plate parts | |
| CN202278098U (en) | Pressing forming die used for semi-annular shaped work pieces | |
| CN104353712A (en) | Process for controlling resilience of asymmetrically bent stamping parts | |
| CN206180797U (en) | Motor shell presses circle to equip | |
| CN108031751A (en) | A kind of bending mould | |
| CN101658881B (en) | Automobile luggage-rack rod bending machine | |
| CN206882567U (en) | A kind of general leveling mold of auto rear_bridge shell cover with fast tunable location structure | |
| CN203830478U (en) | Hinge circle-rolling forming tool | |
| CN207057429U (en) | Efficient U-shaped board stamping jig | |
| CN201969806U (en) | Plate-turning demoulding mechanism for bended plate | |
| JPH08276218A (en) | Device for forming metal plate | |
| CN206936155U (en) | 133 magazine shaping moulds | |
| JP4376129B2 (en) | Arc-shaped bending method and apparatus for metal plate | |
| CN204842680U (en) | Compound bending die of zigzag support | |
| CN208162433U (en) | Rotate flange and shaping mould | |
| CN102896185B (en) | Method for bending wave spring with concave hole | |
| CN207204995U (en) | One kind rotation punching die | |
| CN202239274U (en) | Insertion type segmented pressing die of large arc-shaped circular ring member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170118 |
|
| WD01 | Invention patent application deemed withdrawn after publication |