CN113078781A - Motor iron core demolding tool and demolding method - Google Patents
Motor iron core demolding tool and demolding method Download PDFInfo
- Publication number
- CN113078781A CN113078781A CN202110397597.8A CN202110397597A CN113078781A CN 113078781 A CN113078781 A CN 113078781A CN 202110397597 A CN202110397597 A CN 202110397597A CN 113078781 A CN113078781 A CN 113078781A
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- China
- Prior art keywords
- die
- iron core
- demolding
- pull rod
- oil cylinder
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 37
- 238000003475 lamination Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a die stripping tool and a die stripping method for a motor iron core, wherein the tool comprises a hydraulic oil cylinder, a die stripping pull rod, a base and a clamping plate, the hydraulic oil cylinder is arranged on the base, and a piston rod of the hydraulic oil cylinder is connected with the die stripping pull rod; the clamping plate is fixedly arranged on the die withdrawing pull rod; the cardboard is used for transmitting hydraulic cylinder's pulling force, draws out the lamination film from the iron core. The motor iron core demolding tool is simple in structure, convenient to operate and low in cost; but also can ensure the safety and reliability of the demoulding. According to the motor iron core demolding method, in the operation process, after the iron core is placed on the demolding support, the piston rod of the hydraulic oil cylinder supports the laminated mold from the bottom plate, the laminated mold is prevented from falling downwards, the laminated mold is always synchronous with the demolding pull rod, potential safety hazards in the demolding process are effectively prevented, and the safety of the iron core demolding is improved.
Description
Technical Field
The invention belongs to the technical field of motor iron core production, and particularly relates to a motor iron core demolding tool and a demolding method.
Background
In the manufacturing process of the motor, the stator and the rotor iron core are formed by laminating silicon steel sheets, the laminating die is withdrawn from the iron core after the laminating is finished, and the current iron core stripping methods are two, namely:
the first method comprises the following steps: and (3) lifting the iron core by using a crane to remove the die: and fixing the laminating die on a bottom plate of the oil press, hoisting the iron core by a crane, and hoisting the iron core out of the laminating die. The mold stripping mode violates the regulation of hoisting machinery safety regulations, and the design of hoisting elements (screw holes) on the iron core only considers the weight of the iron core generally, and only can be used for hoisting the iron core, the weight of a bearing mold and the friction force of mold stripping are not allowed, the magnitude of the friction force cannot be determined, the friction force can exceed the rated load of a crane, and potential safety hazards exist.
And the second method comprises the following steps: demolding by using a four-column oil press: the support that the demolding was used is placed on the bottom plate of four post hydraulic presses earlier, and the height of supporting need be greater than the height of die-laminating moreover, hangs iron core and die-laminating again and transports to the support, unloads the hoist cable, will fold die-laminating die casting iron core through the hydraulic press at last, this demolding mode has following defect:
1. in the process of demoulding, the supporting height is increased by overlapping high-speed rails sometimes, and the iron core is easy to turn over and has potential safety hazards.
2. After the iron core with the laminated die is hoisted to the support, an operator needs to go to the high altitude to dismantle the hoisting rigging, and potential safety hazards exist.
3. In the process of detaching the sling, an operator can drop down the laminating die (the lower part of the laminating die cannot be supported), and potential safety hazards exist for the operator.
4. The laminating die is suspended at high altitude and can fall down before or during pressing, so that the impact on a working table of an oil press is large, and the use of equipment can be influenced; and the laminated die can be turned over after falling down, so that the iron core is turned over, and great potential safety hazards exist.
Disclosure of Invention
In order to solve the technical problems, the invention provides the die stripping tool and the die stripping method for the motor iron core, which have the advantages of simple structure, convenience in operation, low cost and good safety in die stripping operation of the motor iron core.
The technical scheme adopted by the invention is as follows: a die stripping tool for a motor iron core comprises a hydraulic oil cylinder, a die stripping pull rod, a base and a clamping plate, wherein the hydraulic oil cylinder is installed on the base, and a piston rod of the hydraulic oil cylinder is connected with the die stripping pull rod; the clamping plate is fixedly arranged on the die withdrawing pull rod; the cardboard is used for transmitting hydraulic cylinder's pulling force, draws out the lamination film from the iron core.
In the motor core demolding tool, the base comprises a bottom plate and a plurality of demolding supporting seats; a plurality of demoulding supporting seats are arranged on the bottom plate; the plurality of die stripping supporting seats are distributed on the same circumference and are used for heightening the iron core during die stripping; the hydraulic oil cylinder is arranged on the bottom plate.
In the motor core demolding tool, the through hole is formed in the center of the bottom plate, the plurality of concentric circles are arranged on the top surface of the bottom plate, the circle center of each circle coincides with the center of the through hole, the hydraulic oil cylinder is installed at the bottom of the bottom plate, and the piston rod of the hydraulic oil cylinder penetrates through the through hole.
In the motor core demolding tool, one end of the demolding pull rod is provided with a flange and is connected with the end part of a piston rod of a hydraulic oil cylinder through the flange; the bolt hole on the flange of the demoulding pull rod is a counter bore; a plurality of clamping grooves are formed in the demolding pull rod and are uniformly arranged; the clamping plate comprises two semi-annular plates and two hoops; the two hoops are respectively arranged on the two semi-annular plates, two bolt holes are formed in the hoops, the two hoops are connected through two bolts, the hoops are matched with the demolding pull rod, and the two semi-annular plates are spliced into an annular plate after being connected; the diameter of the central hole of the annular plate is smaller than that of the demoulding pull rod and larger than that of the clamping groove; the annular plate is embedded in a clamping groove.
In the motor core demolding tool, a through hole is formed in the center of the laminating die, the diameter of the through hole is larger than the outer diameter of the demolding pull rod and smaller than the outer diameters of the clamping plate and the flange of the demolding pull rod, and the through hole is used for enabling the demolding pull rod to penetrate through the laminating die and pass through the clamping plate and the pulling plate; and the screw hole on the upper surface of the laminating die is used for hoisting the laminating die.
A motor iron core demolding method utilizing the motor iron core demolding tool comprises the following steps:
1) connecting the demoulding pull rod with a piston rod of a hydraulic oil cylinder through a bolt, and lowering the piston rod of the hydraulic oil cylinder to the lowest;
2) a plurality of die stripping supporting seats are arranged around the pull rod and distributed on the same circle, and the distribution circle is larger than the outer diameter of the expansion tire and smaller than the outer diameter of the iron core pressing ring;
3) hoisting the iron core with the laminating die to the die withdrawing support seat to enable the iron core to be concentric with the die withdrawing pull rod, adjusting the position of the die withdrawing support seat, and ensuring that the die withdrawing support is in contact with the iron core and the laminating die does not interfere with the die withdrawing support seat;
4) lifting the piston rod of the hydraulic oil cylinder until the flange surface of the pull rod is contacted with the bottom of the laminating die;
5) mounting the clamping plate in a clamping groove of the demolding pull rod;
6) controlling a piston rod of the hydraulic oil cylinder to pull down until the laminated die is pulled out of the iron core;
7) and respectively hoisting the iron core and the laminated die away.
Compared with the prior art, the invention has the beneficial effects that:
the motor iron core demolding tool is simple in structure, convenient to operate and low in cost; but also can ensure the safety and reliability of the demoulding. According to the motor iron core demolding method, in the operation process, after the iron core is placed on the demolding support, the piston rod of the hydraulic oil cylinder supports the laminated mold from the bottom plate, the laminated mold is prevented from falling downwards, the laminated mold is always synchronous with the demolding pull rod, potential safety hazards in the demolding process are effectively prevented, and the safety of the iron core demolding is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the motor core demolding tool.
Fig. 2 is a schematic structural view of the base plate of the present invention.
Fig. 3 is a schematic structural view of the ejector tie bar of the present invention.
FIG. 4 is a schematic view of the structure of the card of the present invention.
Fig. 5 is a schematic diagram of the motor iron core demolding tool before demolding.
Fig. 6 is a schematic diagram of the laminated die exit core of the motor core demolding tool of the invention.
In the figure: 1. the die comprises a hydraulic oil cylinder 2, a bottom plate 3, a die withdrawing pull rod 4, a die withdrawing supporting seat 5, a clamping plate 6, a laminating die 7 and an iron core.
Detailed Description
The invention will be further explained with reference to the drawings,
as shown in figure 1, the die drawing device comprises a hydraulic oil cylinder 1, a bottom plate 2, a die drawing pull rod 3, a plurality of die drawing supporting seats 4 and a clamping plate 5, wherein as shown in figure 2, a through hole is formed in the center of the bottom plate 2, a plurality of concentric circles are arranged on the top surface of the bottom plate 2, and the centers of the concentric circles are coincident with the center of the through hole. The hydraulic oil cylinder 1 is arranged at the bottom of the base plate 2, and a piston rod of the hydraulic oil cylinder 1 penetrates through a through hole of the base plate 2. A plurality of demolding supporting seats 4 are installed on the bottom plate 2, the plurality of demolding supporting seats 4 are distributed on the same circumference, and the circumference where the demolding supporting seats are located can be guaranteed through concentric circles on the bottom plate 2.
As shown in fig. 3, one end of the demolding pull rod 3 is provided with a flange 31, and is connected with the end of the piston rod of the hydraulic oil cylinder 1 through the flange 31. The bolt holes in the flange 31 of the demoulding pull rod 3 are counter bores, so that the bolt heads do not protrude out of the surface of the flange to damage the iron core 7. A plurality of clamping grooves 32 are formed in the demolding pull rod 3, and the clamping grooves 32 are evenly distributed. As shown in fig. 4, the clamping plate 5 comprises two semi-annular plates 51 and two clamping bands 52; the two hoops 52 are respectively arranged on the two semi-annular plates 51, two bolt holes are formed in the hoops 52, the two hoops 52 are connected through two bolts, the hoops 52 are matched with the demolding pull rod 3, and the two semi-annular plates 51 are spliced into an annular plate after connection; the diameter of the central hole of the annular plate is smaller than that of the demoulding pull rod 3 and larger than that of the clamping groove 51; the annular plate is embedded in a clamping groove. The center department of overlapping mould 6 is equipped with the through-hole, and the through-hole diameter is greater than the external diameter of drawing die pull rod, is less than the external diameter of cardboard 5 and the flange 31 of drawing die pull rod, and drawing die 6 is passed to drawing die pull rod 3, and flange 31 is located overlapping mould 6 below, and cardboard 5 is located overlapping mould 6 top. The clamping plate 5 is used for transmitting the pulling force of the hydraulic oil cylinder 1 and pulling the laminated film 6 out of the iron core 7. And the screw holes on the upper surface of the laminating die 6 are used for hoisting the laminating die 6.
The invention discloses a motor iron core demolding method, which comprises the following steps:
the method comprises the following steps: and (3) connecting the demoulding pull rod 3 with a piston rod of the hydraulic oil cylinder 1 through a bolt, and reducing the piston rod of the hydraulic oil cylinder 1 to the minimum.
Step two: a plurality of demolding supporting seats 4 are arranged around the pull rod, and the plurality of demolding supporting seats 4 are distributed on the same circle, wherein the distribution circle is larger than the outer diameter of the laminated die 6 and smaller than the outer diameter of the iron core pressing ring. The mold stripping supports 4 can be guaranteed to be equidistant from the center of the circle by concentric circles on the bottom plate 2.
Step three: iron core 7 with lamination mould 6 is hoisted to the demolding supporting seat 4, so that the iron core and the pull rod 3 are concentric, the position of the demolding supporting seat 4 is adjusted, the demolding supporting seat 4 is guaranteed to be in contact with the iron core 7, and the lamination mould 6 does not interfere with the demolding supporting seat 4.
Step four: and lifting the pull rod of the hydraulic oil cylinder 3 until the flange surface of the die stripping pull rod 3 is contacted with the bottom of the laminating die 6.
Step five: the clamping plate 5 is arranged in a clamping groove of the demolding pull rod 3 and is fixed by bolts.
Step six: and controlling a piston rod of the hydraulic oil cylinder 1 to pull downwards until the laminating die 6 is pulled out of the iron core 7.
Step seven: and then the iron core 7 and the laminating die 6 are respectively lifted away.
Claims (6)
1. The utility model provides a motor core demolding frock which characterized by: the die drawing device comprises a hydraulic oil cylinder, a die drawing pull rod, a base and a clamping plate, wherein the hydraulic oil cylinder is arranged on the base, and a piston rod of the hydraulic oil cylinder is connected with the die drawing pull rod; the clamping plate is fixedly arranged on the die withdrawing pull rod; the cardboard is used for transmitting hydraulic cylinder's pulling force, draws out the lamination film from the iron core.
2. The motor iron core demolding tool as claimed in claim 1, wherein: the base comprises a bottom plate and a plurality of demolding supporting seats; a plurality of demoulding supporting seats are arranged on the bottom plate; the plurality of die stripping supporting seats are distributed on the same circumference and are used for heightening the iron core during die stripping; the hydraulic oil cylinder is arranged on the bottom plate.
3. The motor iron core demolding tool as claimed in claim 1, wherein: the center of the bottom plate is provided with a through hole, the top surface of the bottom plate is provided with a plurality of concentric circles, the circle center of each circle coincides with the center of the through hole, the hydraulic oil cylinder is arranged at the bottom of the bottom plate, and a piston rod of the hydraulic oil cylinder penetrates through the through hole.
4. The motor iron core demolding tool as claimed in claim 1, wherein: one end of the demoulding pull rod is provided with a flange which is connected with the end part of a piston rod of the hydraulic oil cylinder; the bolt hole on the flange of the demoulding pull rod is a counter bore; a plurality of clamping grooves are formed in the demolding pull rod and are uniformly arranged; the clamping plate comprises two semi-annular plates and two hoops; the two hoops are respectively arranged on the two semi-annular plates, two bolt holes are formed in the hoops, the two hoops are connected through two bolts, the hoops are matched with the demolding pull rod, and the two semi-annular plates are spliced into an annular plate after being connected; the diameter of the central hole of the annular plate is smaller than that of the demoulding pull rod and larger than that of the clamping groove; the annular plate is embedded in a clamping groove.
5. The motor iron core demolding tool as claimed in claim 1, wherein: the center of the laminating die is provided with a through hole, the diameter of the through hole is larger than the outer diameter of the demolding pull rod and smaller than the outer diameters of the clamping plate and the flange of the demolding pull rod, and the demolding pull rod penetrates through the laminating die and passes through the clamping plate pull plate; and the screw hole on the upper surface of the laminating die is used for hoisting the laminating die.
6. A motor iron core demolding method using the motor iron core demolding tool as claimed in any one of claims 1 to 5, comprising the following steps:
1) connecting the demoulding pull rod with a piston rod of a hydraulic oil cylinder through a bolt, and lowering the piston rod of the hydraulic oil cylinder to the lowest;
2) a plurality of die stripping supporting seats are arranged around the pull rod and distributed on the same circle, and the distribution circle is larger than the outer diameter of the expansion tire and smaller than the outer diameter of the iron core pressing ring;
3) hoisting the iron core with the laminating die to the die withdrawing support seat to enable the iron core to be concentric with the die withdrawing pull rod, adjusting the position of the die withdrawing support seat, and ensuring that the die withdrawing support is in contact with the iron core and the laminating die does not interfere with the die withdrawing support seat;
4) lifting the piston rod of the hydraulic oil cylinder until the flange surface of the pull rod is contacted with the bottom of the laminating die;
5) mounting the clamping plate in a clamping groove of the demolding pull rod;
6) controlling a piston rod of the hydraulic oil cylinder to pull down until the laminated die is pulled out of the iron core;
7) and respectively hoisting the iron core and the laminated die away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397597.8A CN113078781A (en) | 2021-04-14 | 2021-04-14 | Motor iron core demolding tool and demolding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397597.8A CN113078781A (en) | 2021-04-14 | 2021-04-14 | Motor iron core demolding tool and demolding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113078781A true CN113078781A (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110397597.8A Pending CN113078781A (en) | 2021-04-14 | 2021-04-14 | Motor iron core demolding tool and demolding method |
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| Country | Link |
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| CN (1) | CN113078781A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420508A (en) * | 2011-12-31 | 2012-04-18 | 南通巨能锻压机床有限公司 | Open sheet buckling machine for motor stator |
| CN202586662U (en) * | 2012-05-10 | 2012-12-05 | 安徽皖南新维电机有限公司 | Novel expanding device |
| CN103337934A (en) * | 2013-07-05 | 2013-10-02 | 永济新时速电机电器有限责任公司 | Stator overlying machine and stator overlying device employing same |
| CN203734474U (en) * | 2014-03-19 | 2014-07-23 | 湘潭电机股份有限公司 | Asynchronous motor rotor core hot-jacket tool |
| CN108747146A (en) * | 2018-06-07 | 2018-11-06 | 中车永济电机有限公司 | A kind of tile type welding tensioning clamper preventing iron core radial deformation |
| CN108809010A (en) * | 2018-09-18 | 2018-11-13 | 中国长江动力集团有限公司 | Stator core external pressure assembling device and stator core outer press mounting equipment |
| CN212413008U (en) * | 2020-07-16 | 2021-01-26 | 湘潭电机股份有限公司 | Motor stator core folds pressure die |
-
2021
- 2021-04-14 CN CN202110397597.8A patent/CN113078781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420508A (en) * | 2011-12-31 | 2012-04-18 | 南通巨能锻压机床有限公司 | Open sheet buckling machine for motor stator |
| CN202586662U (en) * | 2012-05-10 | 2012-12-05 | 安徽皖南新维电机有限公司 | Novel expanding device |
| CN103337934A (en) * | 2013-07-05 | 2013-10-02 | 永济新时速电机电器有限责任公司 | Stator overlying machine and stator overlying device employing same |
| CN203734474U (en) * | 2014-03-19 | 2014-07-23 | 湘潭电机股份有限公司 | Asynchronous motor rotor core hot-jacket tool |
| CN108747146A (en) * | 2018-06-07 | 2018-11-06 | 中车永济电机有限公司 | A kind of tile type welding tensioning clamper preventing iron core radial deformation |
| CN108809010A (en) * | 2018-09-18 | 2018-11-13 | 中国长江动力集团有限公司 | Stator core external pressure assembling device and stator core outer press mounting equipment |
| CN212413008U (en) * | 2020-07-16 | 2021-01-26 | 湘潭电机股份有限公司 | Motor stator core folds pressure die |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210706 |