CN108615604B - Magnetic material demoulding device and demoulding method - Google Patents
Magnetic material demoulding device and demoulding method Download PDFInfo
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- CN108615604B CN108615604B CN201810473921.8A CN201810473921A CN108615604B CN 108615604 B CN108615604 B CN 108615604B CN 201810473921 A CN201810473921 A CN 201810473921A CN 108615604 B CN108615604 B CN 108615604B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
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- Moulds, Cores, Or Mandrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of magnetic material processing, in particular to a magnetic material demoulding device and a demoulding method. The invention can rapidly clamp the dies with different shapes and sizes; the locking of the die fixing piece can be realized, so that the die is convenient to mount and process; the mold fixing part with the downward opening can be pushed by the pushing device to slide downwards along the rack quickly, and then demolding is realized by utilizing inertia and vibration of the magnetic material when the mold fixing part stops suddenly.
Description
Technical Field
The invention relates to the technical field of magnetic material processing, in particular to a magnetic material demoulding device and a demoulding method.
Background
For example, patent application No. CN201410775091.6 discloses a delayed demolding mold and a demolding method, comprising an upper mold and a lower mold assembly, wherein a cavity is arranged in the upper mold, and a core is arranged on the lower mold assembly: the lower die assembly comprises a lower die and a stripper plate; the mold core fixed on the lower mold penetrates through a through hole on the mold stripping plate to be matched with the mold cavity; the guide post arranged on the lower die penetrates through the through hole on the stripper plate and is in sliding fit with the corresponding hole on the upper die; a first sliding mechanism is arranged between the lower die and the stripper plate, and the sliding mechanism enables the lower die to slide relative to the stripper plate; and a second sliding mechanism is arranged between the demoulding plate and the upper die, and the sliding mechanism enables the demoulding plate to slide relative to the upper die. The invention can not realize demoulding by utilizing the inertia and vibration of the material, so the demoulding efficiency is lower.
Disclosure of Invention
The invention aims to provide a magnetic material demoulding device which can quickly clamp moulds with different shapes and sizes; the worm assembly can drive the worm wheel assembly and the die fixing piece to rotate, and the die fixing piece can be locked, so that the die is convenient to mount and process; the mold fixing part with the downward opening can be pushed by the pushing device to slide downwards along the rack quickly, and then demolding is realized by utilizing inertia and vibration of the magnetic material when the mold fixing part stops suddenly.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a magnetic material shedder, includes frame, worm wheel subassembly, mould mounting, pushing device and worm subassembly, worm wheel subassembly rotates to be connected in the frame, the mould mounting sets up the middle-end at worm wheel subassembly, pushing device fixed connection is on worm wheel subassembly, pushing device elasticity extrusion mould mounting, mould mounting sliding connection is in the frame, worm subassembly rotates to be connected in the frame, worm subassembly passes through the worm gear with worm wheel subassembly and meshes the connection.
As a further optimization of the technical scheme, the magnetic material demolding device comprises a rack and a bottom plate, wherein the bottom plate is fixedly connected with two oppositely arranged side plates, the side plates are provided with a semicircular groove, a rectangular groove and a transition arc edge, the rectangular groove is positioned at the lower end of the semicircular groove and communicated with the rectangular groove, and the right ends of the rectangular groove and the semicircular groove are provided with the transition arc edge.
As a further optimization of the technical scheme, the magnetic material demolding device comprises a worm gear assembly and a side plate, wherein the worm gear assembly comprises a rectangular shaft, a circular shaft end and a worm gear, the circular shaft end is fixedly connected to both ends of the rectangular shaft, the worm gear is fixedly connected to the circular shaft end at the right end, the two circular shaft ends are respectively and rotatably connected to the side plate, and the rectangular shaft is located in the semicircular groove.
As a further optimization of the technical scheme, the magnetic material demolding device comprises a mold fixing piece, wherein the mold fixing piece comprises a taper sleeve base, a notch sleeve, an internal thread taper sleeve and a rectangular chute, the notch sleeve is fixedly connected to the taper sleeve base, the internal thread taper sleeve is connected to the upper end of the notch sleeve in a threaded fit mode, the taper sleeve base is provided with the rectangular chute penetrating through the taper sleeve base, and the rectangular shaft is connected in the rectangular chute in a sliding mode.
As a further optimization of the technical scheme, the magnetic material demolding device comprises a pushing frame, pushing side frames, a spring sleeve, a spring insertion rod, a spring, an end cover and a top plate, wherein the pushing frame, the pushing side frames, the spring sleeve, the spring insertion rod, the spring, the end cover and the top plate are fixedly connected to two ends of the pushing frame, the two pushing side frames are respectively and fixedly connected to two ends of a rectangular shaft, the spring sleeve is fixedly connected to the pushing frame, the spring insertion rod is slidably connected to the spring sleeve, the spring is arranged between the spring sleeve and the spring insertion rod, the end cover is fixedly connected to the upper end of the spring sleeve, the spring insertion rod slides in a through hole in the spring insertion rod, the top plate is fixedly connected to the upper end of the spring insertion rod, and the top plate is fixedly connected to the lower.
As a further optimization of the technical scheme, the magnetic material demolding device comprises a worm, a turntable and a rocker, wherein the worm is rotatably connected to a rack, the turntable is fixedly connected to one end of the worm, and the rocker is fixedly connected to an eccentric position of the turntable.
As a further optimization of the technical scheme, according to the magnetic material demolding device, the bottom plate is fixedly connected with the accommodating groove, and the notch sleeve is located right below the notch sleeve.
As a further optimization of the technical solution, the demolding method of the magnetic material demolding device of the present invention comprises the following steps:
step one, clamping a magnetic material mold inside the opening sleeve through the opening sleeve and the internal thread taper sleeve;
and step two, operating the worm assembly to enable the opening of the notch sleeve to face downwards.
The magnetic material demoulding device has the beneficial effects that:
according to the magnetic material demoulding device, moulds with different shapes and sizes can be quickly clamped through the opening sleeve and the internal thread taper sleeve; the worm assembly can drive the worm wheel assembly and the die fixing piece to rotate, and the die fixing piece can be locked, so that the die is convenient to mount and process; the mold fixing part with the downward opening can be pushed by the pushing device to slide downwards along the rack quickly, and then demolding is realized by utilizing inertia and vibration of the magnetic material when the mold fixing part stops suddenly.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a schematic view of the frame structure of the present invention;
FIG. 4 is a schematic view of the construction of the side panel of the present invention;
FIG. 5 is a schematic view of the worm gear assembly of the present invention;
FIG. 6 is a schematic view of a mold fixture configuration of the present invention;
FIG. 7 is a schematic view of a breach sleeve configuration of the present invention;
FIG. 8 is a schematic view of the internal thread taper sleeve structure of the present invention;
FIG. 9 is a schematic view of a half section of the pushing device of the present invention;
FIG. 10 is a schematic view of the pushing device of the present invention;
fig. 11 is a schematic view of the worm assembly of the present invention.
In the figure: a frame 1; 1-1 of a side plate; 1-1-1 of a semicircular groove; 1-1-2 rectangular grooves; 1-1-3 of transition arc edge; a bottom plate 1-2; a worm gear assembly 2; a rectangular shaft 2-1; 2-2 of a round shaft end; 2-3 of worm wheel; a mold fixing member 3; a taper sleeve base 3-1; 3-2 of a gap sleeve; 3-3 parts of an internal thread taper sleeve; 3-4 of a rectangular chute; a pushing device 4; a pushing frame 4-1; pushing the side frame 4-2; 4-3 of a spring sleeve; 4-4 of a spring inserted link; 4-5 of a spring; 4-6 parts of an end cover; a top plate 4-7; a worm assembly 5; 5-1 of worm; 5-2 of a rotary table; 5-3 of a rocker.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 11, and a magnetic material demolding device includes a rack 1, a worm wheel assembly 2, a mold fixing member 3, a pushing device 4 and a worm assembly 5, wherein the worm wheel assembly 2 is rotatably connected to the rack 1, the mold fixing member 3 is arranged at the middle end of the worm wheel assembly 2, the pushing device 4 is fixedly connected to the worm wheel assembly 2, the pushing device 4 elastically extrudes the mold fixing member 3, the mold fixing member 3 is slidably connected to the rack 1, the worm assembly 5 is rotatably connected to the rack 1, and the worm assembly 5 is in meshing connection with the worm wheel assembly 2 through a worm gear; when the mold is used, a mold is fixed in the mold fixing piece 3, the hand-operated worm assembly 5 drives the worm gear assembly 2 to rotate, the worm gear assembly 2 rotates to drive the mold fixing piece 3 to turn over, when the opening of the mold fixing piece 3 faces upwards, the opening of the mold in the mold fixing piece 3 faces upwards, and at the moment, mold installation and magnetic material processing can be carried out; when the opening of the die fixing piece 3 is downward, the pushing device 4 rapidly pushes the die fixing piece 3 to slide a small distance downward, so that the magnetic workpiece in the die fixing piece 3 falls off under the dual actions of inertia and vibration, and the demolding of the magnetic material is realized.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 11, and the embodiment further describes the first embodiment, where the rack 1 includes a side plate 1-1 and a bottom plate 1-2, the bottom plate 1-2 is fixedly connected with two side plates 1-1 which are oppositely arranged, the side plate 1-1 is provided with a semicircular groove 1-1-1, a rectangular groove 1-1-2 and a transition arc edge 1-1-3, the rectangular groove 1-1-2 is located at the lower end of the semicircular groove 1-1-1, the semicircular groove 1-1-1 is communicated with the rectangular groove 1-1-2, and the right ends of the rectangular groove 1-1-2 and the semicircular groove 1-1-1 are provided with the transition arc edge 1-1-3; when the opening of the mold fixing piece 3 is upward, the taper sleeve base 3-1 is pressed against the inner side of the semicircular groove 1-1-1, and the spring 4-5 is compressed to the shortest state; when the opening of the die fixing piece 3 faces downwards, the taper sleeve base 3-1 rapidly slides downwards along the rectangular groove 1-1-2, and when the taper sleeve base 3-1 impacts the lower end of the rectangular groove 1-1-2, the magnetic material in the die fixing piece 3 realizes demoulding under the dual actions of inertia and vibration; when the taper sleeve base 3-1 is driven by the rectangular shaft 2-1 to rotate, the taper sleeve base 3-1 slides along the transition arc edge 1-1-3, and then the spring 4-5 returns to a compressed state again.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 11, and the embodiment further describes a second embodiment, where the worm wheel assembly 2 includes a rectangular shaft 2-1, a circular shaft end 2-2, and a worm wheel 2-3, both ends of the rectangular shaft 2-1 are fixedly connected with the circular shaft end 2-2, the worm wheel 2-3 is fixedly connected to the circular shaft end 2-2 at the right end, the two circular shaft ends 2-2 are respectively rotatably connected to the side plates 1-1, the rectangular shaft 2-1 is located in the semicircular groove 1-1-1, and the rectangular shaft 2-1 is used to drive the taper sleeve base 3-1 and the taper sleeve base 3-1.
The fourth concrete implementation mode:
the third embodiment is further described with reference to fig. 1 to 11, where the mold fixing member 3 includes a taper sleeve base 3-1, a notch sleeve 3-2, an internal thread taper sleeve 3-3, and a rectangular sliding groove 3-4, the notch sleeve 3-2 is fixedly connected to the taper sleeve base 3-1, the internal thread taper sleeve 3-3 is connected to the upper end of the notch sleeve 3-2 through a screw thread fit, the taper sleeve base 3-1 is provided with the rectangular sliding groove 3-4 penetrating through the taper sleeve base 3-1, and the rectangular shaft 2-1 is slidably connected to the pushing device 4 in the rectangular sliding groove 3-4 to rotate synchronously.
The fifth concrete implementation mode:
the fourth embodiment is further described with reference to fig. 1 to 11, where the pushing device 4 includes a pushing frame 4-1, a pushing side frame 4-2, a spring sleeve 4-3, a spring plunger 4-4, a spring 4-5, an end cap 4-6 and a top plate 4-7, two ends of the pushing frame 4-1 are both fixedly connected with the pushing side frame 4-2, two pushing side frames 4-2 are respectively and fixedly connected with two ends of a rectangular shaft 2-1, the spring sleeve 4-3 is fixedly connected to the pushing frame 4-1, the spring plunger 4-4 is slidably connected in the spring sleeve 4-3, the spring 4-5 is disposed between the spring sleeve 4-3 and the spring plunger 4-4, the end cap 4-6 is fixedly connected to an upper end of the spring sleeve 4-3, the spring inserted rod 4-4 slides in a through hole on the spring inserted rod 4-4, the top plate 4-7 is fixedly connected to the upper end of the spring inserted rod 4-4, and the top plate 4-7 is fixedly connected to the lower end of the taper sleeve base 3-1; when the pushing device 4 is elastically extended, the taper sleeve base 3-1 is pushed to rapidly slide downwards through the spring inserted rod 4-4 and the top plate 4-7, and the rectangular shaft 2-1 slides along the rectangular sliding groove 3-4 in the sliding process.
The sixth specific implementation mode:
this embodiment will be described with reference to fig. 1 to 11, and a fifth embodiment will be further described, the worm assembly 5 comprises a worm 5-1, a rotary disc 5-2 and a rocker 5-3, the worm 5-1 is rotationally connected to the frame 1, the turntable 5-2 is fixedly connected to one end of the worm 5-1, the rocker 5-3 is fixedly connected at the eccentric position of the turntable 5-2, the worm 5-1 is meshed with the worm wheel 2-3, the worm wheel 2-3 can be driven to rotate by rotating the worm 5-1, further, the rotation of the rectangular shaft 2-1 and the die fixing piece 3 is realized, and meanwhile, the worm 5-1 can lock the rotation of the worm wheel 2-3, so that the stability of the die fixing piece 3 during die installation and machining is ensured.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 11, and the second embodiment is further described in the present embodiment, a receiving groove 6 is fixedly connected to the bottom plate 1-2, the opening sleeve 3-2 is located right below the opening sleeve 3-2, when the magnetic material falls off from the mold in the opening sleeve 3-2, the magnetic material falls into the receiving groove 6, and a rubber pad or felt is arranged in the receiving groove 6 to damp vibration, so as to prevent the magnetic material from being damaged.
The specific implementation mode is eight:
in the following, the present embodiment is described with reference to fig. 1 to 11, and the present embodiment further describes a sixth or seventh embodiment, in which the method for releasing a magnetic material from a mold includes the following steps:
step one, clamping a magnetic material mold inside the opening sleeve 3-2 through the opening sleeve 3-2 and the internal thread taper sleeve 3-3;
and step two, operating the worm assembly 5 to enable the opening of the opening sleeve 3-2 to face downwards, and when the opening of the opening sleeve 3-2 faces downwards, pushing the die fixing piece 3 by the pushing device 4 to move downwards rapidly and stop, so that demoulding is realized by utilizing the inertia and vibration of the magnetic material.
The invention relates to a magnetic material demoulding device, which has the working principle that: when the mold is used, a mold is fixed in the mold fixing piece 3, the hand-operated worm assembly 5 drives the worm gear assembly 2 to rotate, the worm gear assembly 2 rotates to drive the mold fixing piece 3 to turn over, when the opening of the mold fixing piece 3 faces upwards, the opening of the mold in the mold fixing piece 3 faces upwards, and at the moment, mold installation and magnetic material processing can be carried out; when the opening of the die fixing piece 3 is downward, the pushing device 4 rapidly pushes the die fixing piece 3 to slide a small distance downward, so that a magnetic workpiece in a die in the die fixing piece 3 falls off under the dual actions of inertia and vibration, and the magnetic material is demoulded; when the opening of the mold fixing piece 3 is upward, the taper sleeve base 3-1 is pressed against the inner side of the semicircular groove 1-1-1, and the spring 4-5 is compressed to the shortest state; when the opening of the die fixing piece 3 faces downwards, the taper sleeve base 3-1 rapidly slides downwards along the rectangular groove 1-1-2, and when the taper sleeve base 3-1 impacts the lower end of the rectangular groove 1-1-2, the magnetic material in the die fixing piece 3 realizes demoulding under the dual actions of inertia and vibration; when the taper sleeve base 3-1 is driven by the rectangular shaft 2-1 to rotate, the taper sleeve base 3-1 slides along the transition arc edge 1-1-3, and the spring 4-5 is further restored to a compressed state; when the pushing device 4 is elastically extended, the taper sleeve base 3-1 is pushed to rapidly slide downwards through the spring inserted link 4-4 and the top plate 4-7, and the rectangular shaft 2-1 slides along the rectangular sliding groove 3-4 in the sliding process; when the magnetic material falls off from the die in the opening sleeve 3-2, the magnetic material falls into the accommodating groove 6, and a rubber pad or felt is arranged in the accommodating groove 6 for cushioning, so that the magnetic material is prevented from being damaged; the worm 5-1 can be rotated to drive the worm wheel 2-3 to rotate, so that the rotation of the rectangular shaft 2-1 and the die fixing piece 3 is realized, meanwhile, the worm 5-1 can lock the rotation of the worm wheel 2-3, and the stability of the die fixing piece 3 during die installation and machining is further ensured.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (3)
1. The utility model provides a magnetic material shedder, includes frame (1), worm wheel assembly (2), mould mounting (3), pushes away extrusion device (4) and worm subassembly (5), its characterized in that: the die fixing piece is characterized in that the worm wheel assembly (2) is rotatably connected to the rack (1), the die fixing piece (3) is arranged at the middle end of the worm wheel assembly (2), the pushing device (4) is fixedly connected to the worm wheel assembly (2), the pushing device (4) elastically extrudes the die fixing piece (3), the die fixing piece (3) is slidably connected to the rack (1), the worm assembly (5) is rotatably connected to the rack (1), and the worm assembly (5) is meshed with the worm wheel assembly (2) through a worm gear;
the rack (1) comprises side plates (1-1) and a bottom plate (1-2), the bottom plate (1-2) is fixedly connected with the two side plates (1-1) which are arranged oppositely, the side plates (1-1) are provided with semicircular grooves (1-1-1), rectangular grooves (1-1-2) and transition arc edges (1-1-3), the rectangular grooves (1-1-2) are positioned at the lower ends of the semicircular grooves (1-1-1), the semicircular grooves (1-1-1) are communicated with the rectangular grooves (1-1-2), and the right ends of the rectangular grooves (1-1-2) and the semicircular grooves (1-1-1) are provided with the transition arc edges (1-1-3);
the worm wheel assembly (2) comprises a rectangular shaft (2-1), circular shaft ends (2-2) and worm wheels (2-3), the circular shaft ends (2-2) are fixedly connected to two ends of the rectangular shaft (2-1), the worm wheels (2-3) are fixedly connected to the circular shaft ends (2-2) at the right end, the two circular shaft ends (2-2) are rotatably connected to the side plates (1-1) respectively, and the rectangular shaft (2-1) is located in the semicircular groove (1-1-1);
the die fixing piece (3) comprises a taper sleeve base (3-1), a notch sleeve (3-2), an internal thread taper sleeve (3-3) and a rectangular sliding groove (3-4), the notch sleeve (3-2) is fixedly connected to the taper sleeve base (3-1), the internal thread taper sleeve (3-3) is connected to the upper end of the notch sleeve (3-2) in a threaded fit mode, the taper sleeve base (3-1) is provided with the rectangular sliding groove (3-4) penetrating through the taper sleeve base (3-1), and the rectangular shaft (2-1) is connected in the rectangular sliding groove (3-4) in a sliding mode;
the pushing device (4) comprises a pushing frame (4-1), pushing side frames (4-2), spring sleeves (4-3), spring inserting rods (4-4), springs (4-5), end covers (4-6) and a top plate (4-7), wherein the two ends of the pushing frame (4-1) are fixedly connected with the pushing side frames (4-2), the two pushing side frames (4-2) are respectively and fixedly connected with the two ends of a rectangular shaft (2-1), the spring sleeves (4-3) are fixedly connected onto the pushing frame (4-1), the spring inserting rods (4-4) are slidably connected into the spring sleeves (4-3), the springs (4-5) are arranged between the spring sleeves (4-3) and the spring inserting rods (4-4), the end covers (4-6) are fixedly connected to the upper ends of the spring sleeves (4-3), the spring inserted rod (4-4) slides in a through hole in the spring inserted rod (4-4), the top plate (4-7) is fixedly connected to the upper end of the spring inserted rod (4-4), and the top plate (4-7) is fixedly connected to the lower end of the taper sleeve base (3-1);
the worm assembly (5) comprises a worm (5-1), a rotary table (5-2) and a rocker (5-3), the worm (5-1) is rotatably connected to the rack (1), the rotary table (5-2) is fixedly connected to one end of the worm (5-1), and the rocker (5-3) is fixedly connected to the eccentric position of the rotary table (5-2).
2. A magnetic material mold release apparatus as claimed in claim 1, wherein: the bottom plate (1-2) is fixedly connected with a containing groove (6), and the opening sleeve (3-2) is located right below the opening sleeve (3-2).
3. The mold release method of a magnetic material mold release device according to claim 1 or 2, characterized in that: the method comprises the following steps:
step one, clamping a magnetic material mold inside the opening sleeve (3-2) through the opening sleeve (3-2) and the internal thread taper sleeve (3-3);
and step two, operating the worm assembly (5) to enable the opening of the notch sleeve (3-2) to face downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810473921.8A CN108615604B (en) | 2018-05-17 | 2018-05-17 | Magnetic material demoulding device and demoulding method |
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| CN201810473921.8A CN108615604B (en) | 2018-05-17 | 2018-05-17 | Magnetic material demoulding device and demoulding method |
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| CN108615604A CN108615604A (en) | 2018-10-02 |
| CN108615604B true CN108615604B (en) | 2020-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3229860A1 (en) * | 1982-08-11 | 1984-02-16 | Gottfried 6335 Lahnau Zimmermann | Support element with a fitted perforated foil, especially a special steel foil acting as a nozzle passage |
| CN201436110U (en) * | 2009-07-20 | 2010-04-07 | 宝山钢铁股份有限公司 | Demolding device for cast ingot |
| EP3395176B1 (en) * | 2011-02-10 | 2020-05-27 | GEA Food Solutions Bakel B.V. | Food forming drum |
| CN203344275U (en) * | 2013-06-25 | 2013-12-18 | 东莞佳鸿机械制造有限公司 | Bottle preform injection mould using auxiliary blowing demoulding |
| CN203697315U (en) * | 2014-01-23 | 2014-07-09 | 宁波市正一砼泵配件有限公司 | Automatic rubber ring demoulding device |
| CN206509440U (en) * | 2017-02-15 | 2017-09-22 | 东阳市万利电子有限公司 | A kind of novel demoulding device |
| CN206883862U (en) * | 2017-07-03 | 2018-01-16 | 武汉中材建科智能装备有限责任公司 | A kind of mechanical block machine |
| CN107186196B (en) * | 2017-07-21 | 2023-02-24 | 大川精工(朝阳)有限公司 | Novel die casting die for automobile parts |
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Denomination of invention: A magnetic material demoulding device and demoulding method Effective date of registration: 20230117 Granted publication date: 20201222 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG NANCI INDUSTRIAL CO.,LTD. Registration number: Y2023330000226 |
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Denomination of invention: A magnetic material demolding device and demolding method Effective date of registration: 20230802 Granted publication date: 20201222 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG NANCI INDUSTRIAL CO.,LTD. Registration number: Y2023980050684 |
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