CN115921748A - Forming Die for Magnetic Lock Iron Core Hot Forging Machine - Google Patents
Forming Die for Magnetic Lock Iron Core Hot Forging Machine Download PDFInfo
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- CN115921748A CN115921748A CN202211672653.5A CN202211672653A CN115921748A CN 115921748 A CN115921748 A CN 115921748A CN 202211672653 A CN202211672653 A CN 202211672653A CN 115921748 A CN115921748 A CN 115921748A
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Abstract
The invention discloses a forming die for a magnetic lock iron core hot forging machine, which comprises a flattening die, a pre-forming die and a forming die, wherein: the flattening die comprises a P0 upper die and a P0 lower die, and the opposite surfaces of the P0 upper die and the P0 lower die are planes; the pre-forming die comprises a P1 upper punch and a P1 lower die core, wherein the lower surface of the P1 upper punch is a plane, a P1 die cavity is formed in the P1 lower die core, an upward-raised P1 convex block is arranged in the P1 die cavity, and the height of the P1 convex block is smaller than the groove depth of a groove in a finished magnetic force lock iron core; the forming die comprises a P2 upper punch and a P2 lower die core, wherein the lower surface of the P2 upper punch is a plane, the P2 lower die core is provided with a P2 die cavity, an upward convex P2 convex block is arranged in the P2 die cavity, and the height of the P2 convex block is larger than the groove depth of a groove on a finished magnetic lock iron core.
Description
Technical Field
The invention belongs to the technical field of production and forming of magnetic lock iron cores, and particularly relates to a forming die for a magnetic lock iron core hot forging machine.
Background
The prior art is that monoblock material directly comes the material processing, the rise in time and cost, there is very big influence to present competitiveness, as shown in fig. 1, it directly adopts a cylindric iron core to carry out CNC processing, the dotted line is the magnetic force lock iron core of treating the shaping, it includes diapire and the vertical lateral wall of arranging, it is whole "mountain" font, the diapire sees with the lateral wall and forms the recess, the dotted line is unexpected to be detached the part, need to excise most material promptly, not only extravagant many, and need consume longer time, and the iron core tensile strength of output is general.
In addition, as shown in fig. 2, the magnetic lock core is formed by casting iron as a raw material to form a blank magnetic lock core, and then performing CNC machining, wherein the dotted line is the magnetic lock core to be formed, and the dotted line is a part to be removed by accident.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for forming a magnetic lock iron core by using a hot forging technology, which has the advantages of reducing the cost, quickly producing, reducing the processing amount and time and improving the tensile strength of a product.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a magnetic force lock iron core forming die for hot forging machine, includes flattening die, preforming mould and moulded die, wherein:
the flattening die comprises a P0 upper die and a P0 lower die, and the opposite surfaces of the P0 upper die and the P0 lower die are both planes;
the pre-forming die comprises a P1 upper punch and a P1 lower die core, wherein the lower surface of the P1 upper punch is a plane, a P1 die cavity is arranged on the P1 lower die core, a P1 convex block protruding upwards is arranged in the P1 die cavity, and the height of the P1 convex block is smaller than the groove depth of the groove on the finished magnetic force lock iron core;
the forming die comprises a P2 upper punch and a P2 lower die core, wherein the lower surface of the P2 upper punch is a plane, the P2 lower die core is provided with a P2 die cavity, an upward convex P2 convex ejecting block is arranged in the P2 die cavity, and the height of the P2 convex ejecting block is greater than the groove depth of a groove on a finished magnetic force lock iron core.
Further, a P1 ejection hole is formed in the P1 lower die core, and a P1 lower die ejector rod is arranged in the P1 ejection hole.
Further, a P2 ejecting hole is formed in the P2 lower die core, and a P2 lower die ejecting rod is arranged in the P2 ejecting hole.
The preformer further comprises a P1 upper bearing seat, a P1 upper gland, a P1 lower bearing seat, a P1 lower die fixing seat, a P1 ejector block, a P1 pressure plate and a P1 lower ejector rod, wherein the P1 upper gland fixes the P1 upper punch on the P1 upper bearing seat; the P1 lower bearing is fixed on the P1 lower die fixing seat, the P1 lower pressing cover fixes the P1 lower die mold core on the P1 lower bearing, the P1 pressure plate is positioned below the P1 lower die fixing seat, and the P1 ejector block and the P1 lower ejector rod are sequentially connected with the P1 lower die ejector rod.
The preformer further comprises a P2 upper bearing seat, a P2 upper gland, a P2 lower bearing seat, a P2 lower die fixing seat, a P2 ejector block, a P2 pressure plate and a P2 lower ejector rod, wherein the P2 upper gland fixes the P2 upper punch on the P2 upper bearing seat; the P2 lower bearing is fixed on the P2 lower die fixing seat, the P2 lower pressing cover fixes the P2 lower die mold core on the P2 lower bearing, the P2 pressure plate is located below the P2 lower die fixing seat, and the P2 ejector block and the P2 lower ejector rod are sequentially connected with the P2 lower die ejector rod.
The P0 upper die, the P1 upper punch, the P2 lower die, the P1 lower die core and the P2 lower die core are made of H13 steel, and the hardness of the H13 steel is HRC48-50.
Compared with the prior art, the invention has the beneficial effects that: by adopting the forging process, the material cost and the processing time are reduced, the tensile strength is also improved, and the competitiveness of the product can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of prior art direct CNC machining;
FIG. 2 is a schematic representation of a prior art process using cast-first and then CNC machining;
FIG. 3 is a schematic view of a forging followed by CNC machining using the present invention;
FIG. 4 is a process diagram of forging forming using the present invention;
FIG. 5 is a schematic view of a pass through a flattening die according to the present invention;
FIG. 6 is a schematic diagram of the passes produced by the pre-mold of the present invention;
FIG. 7 is a schematic diagram of a pass through a forming die according to the present invention.
Reference numerals: 11. p0, upper die; 12. p2, lower die; 21. p1, an upper bearing seat; 22. p1, pressing a cover; 23. p1, an upper punch; 24. p1, pressing a cover; 25. p1, a lower die core; 26. p1, a lower die ejector rod; 27. p1 lower bearing seat; 28. p1 pressure plate; 31. a P2 upper bearing seat; 32. p2, pressing a cover; 33. p2, an upper punch; 34. p2, pressing a cover; 35. p2, a lower die core; 36. p2, a lower die ejector rod; 37. a P2 lower bearing seat; 38. p2 pressure plate.
Detailed Description
Embodiments of the forming die for a magnetically locked core hot forging machine according to the present invention will be further described with reference to fig. 3 to 7.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, which should not be construed as limiting the specific scope of the present invention.
Furthermore, if any, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
The utility model provides a magnetic force lock iron core forming die for hot forging machine, includes flattening die, preforming mould and moulded die, wherein:
the flattening die comprises a P0 upper die 11 and a P0 lower die, and the opposite surfaces of the P0 upper die 11 and the P0 lower die are both planes;
the pre-forming die comprises a P1 upper punch 23 and a P1 lower die core 25, wherein the lower surface of the P1 upper punch 23 is a plane, a P1 die cavity is formed in the P1 lower die core 25, an upward convex P1 convex block is arranged in the P1 die cavity, and the height of the P1 convex block is smaller than the depth of a groove in a finished magnetic force lock iron core;
the forming die comprises a P2 upper punch 33 and a P2 lower die core 35, wherein the lower surface of the P2 upper punch 33 is a plane, the P2 lower die core 35 is provided with a P2 die cavity, an upwards convex P2 convex block is arranged in the P2 die cavity, and the height of the P2 convex block is greater than the depth of a groove in a finished magnetic force lock iron core.
In this embodiment, in order to facilitate taking out the magnetic lock iron core blank formed in the P1 lower mold core 25 and the P2 lower mold core 35, preferably, the P1 lower mold core 25 is provided with a P1 ejection hole, and the P1 lower mold ejection rod 26 is arranged in the P1 ejection hole.
And a P2 ejection hole is formed in the P2 lower die core 35, and a P2 lower die ejector rod 36 is arranged in the P2 ejection hole.
In one embodiment, the preforming mold further comprises a P1 upper seat 21, a P1 upper gland 22, a P1 lower gland 24, a P1 lower seat 27, a P1 lower mold holder, a P1 ejector block, a P1 pressure plate 28 and a P1 lower ejector rod, wherein the P1 upper gland 22 fixes the P1 upper punch 23 on the P1 upper seat 21; the P1 lower bearing 27 is fixed on the P1 lower die fixing seat, the P1 lower gland 24 fixes the P1 lower die mold core 25 on the P1 lower bearing 27, the P1 pressure plate 28 is positioned below the P1 lower die fixing seat, and the P1 ejector block and the P1 lower ejector rod are sequentially connected with the P1 lower die ejector rod 26.
Actually, the forming die and the preforming die have the same basic structure, and the specific preforming die further includes a P2 upper bearing 31, a P2 upper pressing cover 32, a P2 lower pressing cover 34, a P2 lower bearing 37, a P2 lower die fixing seat, a P2 ejector block, a P2 pressure plate 38 and a P2 lower ejector rod, wherein the P2 upper pressing cover 32 fixes the P2 upper punch 33 on the P2 upper bearing 31; the P2 lower bearing seat 37 is fixed on the P2 lower die fixing seat, the P2 lower gland 34 fixes the P2 lower die mold core 35 on the P2 lower bearing seat 37, the P2 pressure plate 38 is positioned below the P2 lower die fixing seat, and the P2 ejector block and the P2 lower ejector rod are sequentially connected with the P2 lower die ejector rod 36.
In the invention, the material of the P0 upper die 11, the P1 upper punch 23, the P2 upper punch 33, the P2 lower die 12, the P1 lower die core 25 and the P2 lower die core 35 is H13 steel, and the hardness thereof is HRC48-50.
The specific production mode is as follows:
1. after the material is heated, as shown in fig. 5, the material is placed on a P0 lower die, and a P0 upper die 11 presses down the extruded material, so that the product is changed from a left side a to a right side B into an oval shape, namely a flattening pass shape in fig. 4;
2. as shown in fig. 5, the extruded material is taken out and placed on a P1 lower die core 25, a P1 upper punch 23, a P1 upper gland 22 and a P1 upper seat 21 move downwards, the P1 upper punch 23 and the P1 lower die core 25 are used for extruding the material, the P1 lower die core 25 is filled with the material, and the product is changed into a right C shape from a left side B, namely a pre-forming pass shape in fig. 4;
3. the P1 upper punch 23 is reset, and the P1 lower ejector rod is actuated to drive the P1 ejector block and the P1 lower die ejector rod 26 to eject the material in the P1 lower die core 25;
4. as shown in fig. 6, the ejected material is transferred to the P2 lower die core 35, the P2 upper punch 33, the P2 upper gland 32 and the P2 upper seat 31 move downwards, the P2 upper punch 33 and the P2 lower die core 35 are used for extruding the material, so that the material fills the P2 lower die core 35, and the product is changed into a right D shape from the left C, namely the forming pass shape in fig. 4;
5. the P2 upper punch 33 is reset, and the P2 lower ejector rod acts to drive the P2 ejector block and the P2 lower die ejector rod 36 to eject the material in the P2 lower die core 35;
6. and finally, performing CNC machining according to the graph shown in FIG. 3, and trimming the edge of the material.
The advantages and disadvantages of the processing by the invention and the prior art are shown in the table I.
Table one:
the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a forming die for magnetic force lock iron core forge hot machine which characterized in that, includes flattening die, preforming mould and moulded die, wherein:
the flattening die comprises a P0 upper die and a P0 lower die, and the opposite surfaces of the P0 upper die and the P0 lower die are both planes;
the pre-forming die comprises a P1 upper punch and a P1 lower die core, wherein the lower surface of the P1 upper punch is a plane, a P1 die cavity is formed in the P1 lower die core, an upward-raised P1 convex block is arranged in the P1 die cavity, and the height of the P1 convex block is smaller than the groove depth of a groove in a finished magnetic force lock iron core;
the forming die comprises a P2 upper punch and a P2 lower die core, wherein the lower surface of the P2 upper punch is a plane, the P2 lower die core is provided with a P2 die cavity, a P2 convex block protruding upwards is arranged in the P2 die cavity, and the height of the P2 convex block is larger than the depth of a groove in a finished magnetic lock iron core.
2. The forming die for the magnetic lock core hot forging machine according to claim 1, characterized in that: and a P1 ejection hole is formed in the P1 lower die core, and a P1 lower die ejector rod is arranged in the P1 ejection hole.
3. The forming die for the magnetic lock iron core hot forging machine according to claim 2, characterized in that: and a P2 ejection hole is formed in the P2 lower die core, and a P2 lower die ejector rod is arranged in the P2 ejection hole.
4. The forming die for the magnetic lock core hot forging machine according to claim 3, characterized in that: the pre-forming die further comprises a P1 upper bearing seat, a P1 upper pressing cover, a P1 lower bearing seat, a P1 lower die fixing seat, a P1 ejector block, a P1 pressure plate and a P1 lower ejector rod, wherein the P1 upper pressing cover fixes the P1 upper punch on the P1 upper bearing seat; the P1 lower bearing is fixed on the P1 lower die fixing seat, the P1 lower pressing cover fixes the P1 lower die mold core on the P1 lower bearing, the P1 pressure plate is positioned below the P1 lower die fixing seat, and the P1 ejector block and the P1 lower ejector rod are sequentially connected with the P1 lower die ejector rod.
5. The forming die for the magnetic lock core hot forging machine according to claim 4, wherein: the pre-forming die further comprises a P2 upper bearing seat, a P2 upper gland, a P2 lower bearing seat, a P2 lower die fixing seat, a P2 ejector block, a P2 pressure plate and a P2 lower ejector rod, wherein the P2 upper gland fixes the P2 upper punch on the P2 upper bearing seat; the P2 lower bearing is fixed on the P2 lower die fixing seat, the P2 lower pressing cover fixes the P2 lower die mold core on the P2 lower bearing, the P2 pressure plate is located below the P2 lower die fixing seat, and the P2 ejector block and the P2 lower ejector rod are sequentially connected with the P2 lower die ejector rod.
6. The forming die for the magnetic lock core hot forging machine according to claim 5, wherein: the P0 upper die, the P1 upper punch, the P2 lower die, the P1 lower die core and the P2 lower die core are made of H13 steel, and the hardness of the H13 steel is HRC48-50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211672653.5A CN115921748A (en) | 2022-12-26 | 2022-12-26 | Forming Die for Magnetic Lock Iron Core Hot Forging Machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211672653.5A CN115921748A (en) | 2022-12-26 | 2022-12-26 | Forming Die for Magnetic Lock Iron Core Hot Forging Machine |
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| Publication Number | Publication Date |
|---|---|
| CN115921748A true CN115921748A (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211672653.5A Pending CN115921748A (en) | 2022-12-26 | 2022-12-26 | Forming Die for Magnetic Lock Iron Core Hot Forging Machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137261A (en) * | 2008-12-12 | 2010-06-24 | Ibaraki Steel Center Kk | Method of cold-forging flanged rotor on core for electromagnetic clutch |
| CN202438654U (en) * | 2012-02-27 | 2012-09-19 | 宁波向阳坦科斯特电子有限公司 | Cold forging mould for iron core |
| CN202816594U (en) * | 2012-07-18 | 2013-03-20 | 东莞领航电子有限公司 | Novel efficient transformer |
| CN203265502U (en) * | 2013-03-07 | 2013-11-06 | 上海交通大学 | Hot forging device for transmission shaft joint fork with horizontal fork part |
| CN204262259U (en) * | 2014-11-21 | 2015-04-15 | 东风（十堰）汽车锻钢件有限公司 | The half-closed mould of monoblock type Rear Dowel Support forging |
| CN208437593U (en) * | 2018-01-31 | 2019-01-29 | 邓州市良机锻压设备制造有限公司 | A kind of ring flange forging and molding mold |
| CN209350475U (en) * | 2018-09-29 | 2019-09-06 | 飞磁电子材料(东莞)有限公司 | Ferrite die-sinking die device |
| KR102169312B1 (en) * | 2020-05-19 | 2020-10-23 | 이호경 | Electromagnet core manufacturing method for gas feed assembly of gas range |
-
2022
- 2022-12-26 CN CN202211672653.5A patent/CN115921748A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137261A (en) * | 2008-12-12 | 2010-06-24 | Ibaraki Steel Center Kk | Method of cold-forging flanged rotor on core for electromagnetic clutch |
| CN202438654U (en) * | 2012-02-27 | 2012-09-19 | 宁波向阳坦科斯特电子有限公司 | Cold forging mould for iron core |
| CN202816594U (en) * | 2012-07-18 | 2013-03-20 | 东莞领航电子有限公司 | Novel efficient transformer |
| CN203265502U (en) * | 2013-03-07 | 2013-11-06 | 上海交通大学 | Hot forging device for transmission shaft joint fork with horizontal fork part |
| CN204262259U (en) * | 2014-11-21 | 2015-04-15 | 东风（十堰）汽车锻钢件有限公司 | The half-closed mould of monoblock type Rear Dowel Support forging |
| CN208437593U (en) * | 2018-01-31 | 2019-01-29 | 邓州市良机锻压设备制造有限公司 | A kind of ring flange forging and molding mold |
| CN209350475U (en) * | 2018-09-29 | 2019-09-06 | 飞磁电子材料(东莞)有限公司 | Ferrite die-sinking die device |
| KR102169312B1 (en) * | 2020-05-19 | 2020-10-23 | 이호경 | Electromagnet core manufacturing method for gas feed assembly of gas range |
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