CN113990648B - Magnetic cake mould pressing and demoulding device - Google Patents

Magnetic cake mould pressing and demoulding device Download PDF

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Publication number
CN113990648B
CN113990648B CN202111177435.XA CN202111177435A CN113990648B CN 113990648 B CN113990648 B CN 113990648B CN 202111177435 A CN202111177435 A CN 202111177435A CN 113990648 B CN113990648 B CN 113990648B
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China
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sealing frame
blank
molding
magnetic
connecting plate
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CN202111177435.XA
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CN113990648A (en
Inventor
陈立展
罗义
陈立权
陈鹏
巫亚东
陈醇
王彦兵
陈程
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Zhejiang Pengsheng Technology Co ltd
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Zhejiang Pengsheng Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0246Manufacturing of magnetic circuits by moulding or by pressing powder

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The invention discloses a magnetic cake mould pressing and demoulding device, which has the technical scheme that: a magnetic cake mould pressing and demoulding device comprises a mould pressing machine, a mould for preparing magnetic cakes and a demoulding mechanism for realizing demoulding in an anaerobic environment; the die comprises a lower die holder, a connecting plate detachably connected to the upper surface of the lower die holder, two side modules oppositely connected to the connecting plate in a sliding manner, and an upper module covered on the upper surface of the side modules, wherein the upper module, the connecting plate, the lower die holder and the two side modules surround to form a die cavity for forming a magnetic cake blank, the lower die holder is provided with two guide blocks for sliding and guiding the side modules, and two ends of the side modules are respectively abutted to the corresponding guide blocks and slide along the length direction of the guide blocks. The invention realizes the preparation of the blank of the large-sized neodymium iron boron magnetic ring or magnetic cake, and realizes the demoulding of the compression molded large-sized neodymium iron boron magnetic ring or magnetic cake blank through the corresponding mould and the demoulding transfer mechanism, thereby avoiding the deformation or damage during the preparation of the large-sized neodymium iron boron magnetic ring or magnetic cake.

Description

Magnetic cake mould pressing and demoulding device
Technical Field
The invention relates to the field of magnetic steel preparation, in particular to a magnetic cake mould pressing and demoulding device.
Background
The existing neodymium-iron-boron magnetic cakes and magnetic rings are cylindrical or circular, the outer diameter of the existing neodymium-iron-boron magnetic cakes and the existing magnetic rings is smaller, and the diameter of the existing neodymium-iron-boron magnetic cakes and the existing magnetic rings is generally smaller than 100mm. Due to technical development, when a large-size magnetic cake or magnetic ring (with the diameter larger than 200 mm) with the outer diameter is required to be used, a plurality of mutually spliced parts are generally manufactured, and then the large-size magnetic cake or magnetic ring is assembled.
Because the prior art is difficult to realize mould pressing and transferring of large-size magnetic cakes or magnetic rings, the whole magnetic cakes and magnetic rings after mould pressing are softer, and when the size is oversized, the magnetic cakes and the magnetic rings are easy to collapse and crush when being overturned and carried.
Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a magnetic cake mould pressing and demoulding device which is used for preparing a blank of a large-sized neodymium iron boron magnetic ring or magnetic cake, and demoulding the large-sized neodymium iron boron magnetic ring or magnetic cake blank formed by mould pressing through a corresponding mould and a demoulding transfer mechanism, so that deformation or damage is avoided when the large-sized neodymium iron boron magnetic ring or magnetic cake is prepared.
The technical aim of the invention is realized by the following technical scheme: a magnetic cake mould pressing and demoulding device comprises a mould pressing machine, a mould for preparing magnetic cakes and a demoulding mechanism for realizing demoulding in an anaerobic environment;
The die comprises a lower die holder, a connecting plate detachably connected to the upper surface of the lower die holder, two side modules oppositely connected to the connecting plate in a sliding manner, and an upper module covered on the upper surface of the side modules, wherein opposite side walls of the two side modules are arc-shaped and are round when being surrounded, the upper module, the connecting plate, the lower die holder and the two side modules form a die cavity for forming a magnetic cake blank body in a surrounding manner, the lower die holder is provided with two guide blocks for guiding sliding of the opposite side modules, and two ends of the side modules are respectively abutted to the corresponding guide blocks and slide along the length direction of the guide blocks;
The demoulding mechanism comprises an operation table connected with the moulding press, a sealing frame arranged on the operation table and used for realizing operation of a blank under an anaerobic environment after mould pressing, a truss car arranged in the sealing frame and used for lifting a connecting plate and a blank, a trolley used for moving the blank, an abutting plate used for abutting the lower surface of the blank after overturning, and a protective sleeve used for sleeving the outer side wall of the blank and keeping the shape of the blank, wherein the sealing frame is provided with a sealing plate material which is arranged in a transparent mode, a sealed cavity is formed by encircling the sealing frame and the operation table, nitrogen is filled in the sealing frame, and the side wall of the sealing frame is provided with operation gloves which are convenient for workers to stretch into an inner cavity of the frame to operate.
The invention is further provided with: the clamping groove for clamping the guide block is formed in the upper surface of the lower die holder, the side wall of one side, deviating from the connecting plate, of the clamping groove is obliquely arranged, the lower end face of the guide block is provided with an abutting notch for abutting against the edge position of the connecting plate, the abutting notch abuts against the connecting plate and is used for fixing the connecting plate to the lower die holder, and the guide block is connected with the lower die holder through bolts.
The invention is further provided with: the sealing frame is provided with two groups of separation components which divide the inner cavity of the sealing frame into three chambers, each separation component comprises a separation plate which is arranged on the sealing frame in a sliding mode along the vertical direction and separates the inner cavity of the sealing frame, and an air cylinder which is arranged on the upper end face of the sealing frame and drives the separation plate to lift, and the side wall of the sealing frame corresponding to each chamber is provided with operation gloves.
The invention is further provided with: the separation assembly further comprises a baffle fixed in the inner cavity of the sealing frame, a gap is reserved between the baffle and the operation table for the cart and the blank to pass through, the separation plate is attached to the baffle and is lifted relative to the baffle, when the baffle moves downwards and is abutted to the operation table, the separation plate and the baffle separate the inner cavity of the sealing frame, and the output end of the air cylinder stretches into the inner cavity of the sealing frame and is connected with the separation plate.
The invention is further provided with: the truss cars are arranged in two cavities at one side of the molding machine.
The invention is further provided with: the side wall of the sealing frame, which is close to the corresponding position of the cavity at the position of the molding press, is provided with a feeding door for the raw materials to be molded and the mold to enter, and the side wall of the sealing frame, which is far away from the corresponding position of the cavity at the position of the molding press, is provided with a discharging door for discharging the molded blank.
The invention is further provided with: the operation table and the feeding end of the molding press are positioned at the same horizontal position, and the mold is moved into the molding press from the operation table.
The invention is further provided with: the side walls of the two side modules, which are away from each other, are both fixed with elastic cushions.
In summary, the invention has the following beneficial effects:
when in compression molding, powder for compression molding is filled into a mold, the mold is put into a molding press for compression molding, and then the mold is moved into a demolding mechanism for demolding, so that a blank body for compression molding is taken out.
During compression molding, powder for compression molding is filled between the two side modules, then the upper module is covered, the compression molding powder is positioned in the space surrounded by the upper module, the connecting plate, the lower module, the two guide blocks and the two side modules, then the mold is arranged in the mold press, the mold press is abutted against the lower mold base and the upper module, and the two side modules are pushed to move in opposite directions, so that the compression molding powder is realized, and a compression molding blank is realized.
The installation position of the guide block is conveniently positioned through the clamping groove, the assembly precision of the guide block is improved, and in addition, when the guide block is conveniently disassembled through the inclination of the side wall at one side of the clamping groove, the guide block is conveniently withdrawn and taken down; the connecting plate is conveniently fixed through the guide block through the abutting notch, and the effect of convenient dismounting of the connecting plate is achieved; when the molded green body is taken out, the upper module, the side modules, the guide blocks and the connecting plate are detached and fallen, the green body and the connecting plate are taken out together, and the next operation is carried out.
The operation panel is located same horizontal position with the die press feed end to supply the mould to move into in the die press by the operation panel, sealing frame is provided with the sealing plate material that becomes transparent setting, sealing frame with the operation panel surrounds and forms airtight cavity and be filled with nitrogen gas, sealing frame's lateral wall is provided with the operation gloves that conveniently supplies the workman hand to stretch into to the frame inner chamber operation.
Before molding, the mold is placed in an operation table in a cavity close to the position of the molding press, then powder to be molded is placed in the operation table or the mold in a sealing state, then a feed door is covered, nitrogen is filled into a sealing frame, after the completion, the powder to be molded is placed in the mold through operating gloves, and then the mold is pushed into the molding press for molding; after the mould pressing is finished, the mould ribs enter an operation table, the mould is disassembled, then the connecting plate and a blank on the upper surface of the connecting plate are lifted and moved through a truss, and the connecting plate is placed in a trolley; then promote adjacent division board through cylinder drive to with the shallow propelling movement to in the next cavity, then through operating the gloves with vacuum bag cover locate the body, and cover the protective sheath at the body, afterwards place the butt board at body up end, and with butt board and connecting plate bolted connection, pull the connecting plate through the truss car of its top, and with connecting plate and body flip degree after, place in the shallow, butt board butt in the shallow this moment, after taking off connecting plate, protective sheath, pack the body through vacuum bag and evacuation, then open corresponding division board and remove the shallow after keeping away from the cavity of die press, take out from the discharge gate, thereby realize taking out the body under anaerobic environment, and avoid the body deformation, the fracture condition when can't normally taking out or take out because of the body volume is too big.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of a blank out portion of the sealing panel of the present invention;
FIG. 3 is a schematic view of the connecting plate and blank of the present invention when placed in a cart;
FIG. 4 is a schematic view of the blank of the present invention with a protective sleeve and a fixed abutment plate;
FIG. 5 is a schematic view of a mold in accordance with the present invention;
FIG. 6 is a schematic diagram of a module on a module-hiding module in the present invention;
FIG. 7 is a schematic view of a blank sleeved with a protective sleeve and a fixed abutment plate;
fig. 8 is a cross-sectional view of the blank of fig. 7 sleeved with a protective sleeve and a fixed abutment plate.
Corresponding part names indicated by numerals in the drawings: 1. a molding press; 2. a lower die holder; 3. a connecting plate; 4. a side module; 5. an upper module; 6. a guide block; 7. a clamping groove; 8. abutting the notch; 9. an elastic cushion pad; 10. an operation table; 11. a sealing frame; 12. a truss vehicle; 13. a cart; 14. an abutting plate; 15. a protective sleeve; 16. a partition plate; 17. a cylinder; 18. an operating glove; 19. a baffle; 20. a feed gate; 21. and a discharging door.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1 to 8, the magnetic cake molding and demolding device provided by the invention comprises a molding press 1, a mold for preparing a magnetic cake and a demolding mechanism for realizing demolding in an anaerobic environment. When in compression molding, powder for compression molding is filled into a mold, the mold is put into a molding press 1 for compression molding, and then the mold is moved into a demolding mechanism for demolding, so that a blank body for compression molding is taken out.
The die comprises a lower die holder 2, a connecting plate 3 detachably connected to the upper surface of the lower die holder 2, two opposite side modules 4 connected to the connecting plate 3 in a sliding manner, and an upper module 5 covering the upper surface of the side modules 4, wherein opposite side walls of the side modules 4 are arc-shaped, and are round when being encircled, the upper module 5, the connecting plate 3, the lower module and the two side modules 4 encircle to form a die cavity for forming a magnetic cake blank, the lower die holder 2 is provided with two guide blocks 6 for sliding and guiding the side modules 4, the upper end surfaces of the guide blocks 6 are flush with the upper end surfaces of the side modules 4, and two ends of the side modules 4 are respectively attached to and abutted to the corresponding guide blocks 6 and slide along the length direction of the guide blocks 6. During compression molding, powder for compression molding is filled between the two side modules 4, then the upper module 5 is covered, the compression molded powder is positioned in a space surrounded by the upper module 5, the connecting plate 3, the lower module, the two guide blocks 6 and the two side modules 4, after the mold is arranged in the mold press 1, the mold press 1 abuts against the lower mold base 2 and the upper module 5, and the two side modules 4 are pushed to move in opposite directions, so that compression molding powder is extruded, and a compression molding blank body is realized.
The draw-in groove 7 that supplies the guide block 6 card was gone into has been seted up to die holder 2 upper surface, just the draw-in groove 7 deviates from the lateral wall of one side of connecting plate 3 and is the slope setting, the butt breach 8 of butt joint connecting plate 3 border position has been seted up to guide block 6 lower terminal surface, butt breach 8 with connecting plate 3 butt and with connecting plate 3 fixed with die holder 2, guide block 6 bolted connection in die holder 2. The side walls of the two side modules 4 facing away from each other are respectively fixed with an elastic buffer pad 9. The installation position of the guide block 6 is conveniently positioned through the clamping groove 7, the assembly precision of the guide block 6 is improved, and in addition, when the guide block 6 is conveniently disassembled through the inclination of the side wall at one side of the clamping groove 7, the guide block 6 is conveniently withdrawn and taken down; the connecting plate 3 is conveniently fixed through the guide block 6 by abutting the notch 8, and the effect of convenient dismounting of the connecting plate 3 is achieved; namely, when the molded green body is taken out, the upper module 5, the side modules 4, the guide blocks 6 and the connecting plate 3 are detached and dropped, the green body is taken out together with the connecting plate 3, and the next operation is carried out.
The demoulding mechanism comprises an operation table 10 connected with the moulding machine 1, a sealing frame 11 arranged on the operation table 10 and used for realizing operation of a blank body in an anaerobic environment after mould pressing, a truss car 12 arranged in the sealing frame 11 and used for lifting the connecting plate 3 and the blank body, a trolley 13 used for moving the blank body, an abutting plate 14 used for abutting the lower surface of the overturned blank body, and a protective sleeve 15 used for being sleeved on the outer side wall of the blank body and keeping the shape of the blank body. The operation table 10 and the feeding end of the molding press 1 are positioned at the same horizontal position, a mold is moved into the molding press 1 from the operation table 10, the sealing frame 11 is provided with a sealing plate material which is arranged in a transparent mode, the sealing frame 11 and the operation table 10 are encircled to form a sealed cavity and filled with nitrogen, and the side wall of the sealing frame 11 is provided with operation gloves 18 which are convenient for workers to stretch into the cavity of the frame to operate.
Because the sealing frame 11 is filled with nitrogen, in order to avoid the contact between the blank and oxygen caused by air entering in the demolding process, the sealing frame 11 is provided with two groups of separation components for separating the inner cavity of the sealing frame 11 into three chambers, each separation component comprises a separation plate 16 which is arranged on the sealing frame 11 in a sliding manner along the vertical direction and separates the inner cavity of the sealing frame 11, a cylinder 17 which is arranged on the upper end surface of the sealing frame 11 and drives the separation plate 16 to lift, and the side wall of the sealing frame 11 corresponding to each chamber is provided with an operation glove 18. In addition, in this embodiment, there are two trusses 12, and the two trusses 12 are respectively located in two chambers near one side of the molding machine 1. The side wall of the sealing frame 11 close to the corresponding position of the cavity of the molding press 1 is provided with a feeding door 20 for the raw materials to be molded and the mold to enter, and the side wall of the sealing frame 11 far away from the corresponding position of the cavity of the molding press 1 is provided with a discharging door 21 for discharging the molded blank.
Before molding, the mold is placed in an operation table 10 in a cavity close to the molding press 1, then powder to be molded is placed in the operation table 10 or the mold in a sealing state, a feed door 20 is covered, nitrogen is filled into a sealing frame 11, after the completion, the powder to be molded is placed in the mold through an operation glove 18, and then the mold is pushed into the molding press 1 for molding; after the mould pressing is finished, the mould ribs enter the operation table 10 and are detached, then the connecting plate 3 and a blank on the upper surface of the connecting plate are lifted and moved through the truss 12, and the connecting plate 3 is placed on the trolley 13; then drive adjacent division board 16 through cylinder 17 promotes to push away the shallow 13 to the next cavity, then cover the vacuum bag through operating glove 18 and locate the body, and cover the protective sheath at the body, afterwards place butt board 14 at body up end, and with butt board 14 and connecting plate 3 bolted connection, pull connecting plate 3 through the purlin 12 of its top, and place in shallow 13 after turning over 180 degrees with connecting plate 3 and body, butt board 14 butt in shallow 13 this moment, after taking off connecting plate 3, protective sheath, pack the body through the vacuum bag and take out vacuum, then open corresponding division board 16 and remove the shallow 13 to keeping away from in the cavity of moulding machine 1, take out from discharge gate 21, thereby realize taking out the body under anaerobic environment, and avoid the unable normal blank deformation or the fracture condition when taking out because of the body volume is too big.
In addition, the separation assembly further comprises a baffle plate 19 fixed in the inner cavity of the sealing frame 11, a gap is reserved between the baffle plate 19 and the operation table 10 for the cart 13 and the blank to pass through, the separation plate 16 is attached to the baffle plate 19 and is lifted relative to the baffle plate 19, when the baffle plate 19 moves downwards and is abutted against the operation table 10, the separation plate 16 and the baffle plate 19 separate the inner cavity of the sealing frame 11, and the output end of the air cylinder 17 extends into the inner cavity of the sealing frame 11 and is connected with the separation plate 16.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. refer to the directions or positional relationships based on those shown in the drawings, and are merely for clarity and convenience of description of the expression technical solution, and thus should not be construed as limiting the present invention.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1.A magnetism cake mould pressing and shedder, its characterized in that: comprises a molding press (1), a mold for preparing a magnetic cake and a demolding mechanism for realizing demolding in an anaerobic environment;
The die comprises a lower die holder (2), a connecting plate (3) detachably connected to the upper surface of the lower die holder (2), two opposite side modules (4) connected to the connecting plate (3) in a sliding manner, and an upper module (5) covered on the upper surface of the side modules (4), wherein opposite side walls of the two side modules (4) are arc-shaped and are round when surrounded, the upper module (5), the connecting plate (3), the lower die holder (2) and the two side modules (4) surround to form a die cavity for forming a magnetic cake blank, the lower die holder (2) is provided with two guide blocks (6) for sliding guiding the opposite side modules (4), and two ends of each side module (4) are respectively abutted to the corresponding guide block (6) and slide along the length direction of the guide block (6);
The demolding mechanism comprises an operation table (10) connected with the molding press (1), a sealing frame (11) arranged on the operation table (10) and used for realizing operation of a blank in an anaerobic environment after molding, a truss (12) arranged in the sealing frame (11) and used for lifting the connecting plate (3) and the blank, a trolley (13) used for moving the blank, an abutting plate (14) used for abutting the lower surface of the turned blank, and a protective sleeve (15) sleeved on the outer side wall of the blank and used for keeping the shape of the blank, wherein the sealing frame (11) is provided with a sealing plate material arranged in a transparent mode, a sealing cavity is formed by encircling the sealing frame (11) with the operation table (10) and filled with nitrogen, and the side wall of the sealing frame (11) is provided with an operation glove (18) convenient for workers to extend hands into the inner cavity of the frame to operate.
2. The device for molding and demolding a magnetic cake according to claim 1, wherein: clamping grooves (7) for clamping guide blocks (6) are formed in the upper surface of the lower die holder (2), one side wall of each clamping groove (7) deviating from the corresponding connecting plate (3) is obliquely arranged, abutting gaps (8) for abutting against the edge positions of the corresponding connecting plates (3) are formed in the lower end faces of the guide blocks (6), the abutting gaps (8) abut against the corresponding connecting plates (3) and fix the corresponding connecting plates (3) to the corresponding lower die holder (2), and the corresponding guide blocks (6) are connected with the corresponding lower die holder (2) through bolts.
3. The device for molding and demolding a magnetic cake according to claim 1, wherein: the sealing frame (11) is provided with two groups of separation components which divide the inner cavity of the sealing frame (11) into three chambers, the separation components comprise separation plates (16) which are arranged on the sealing frame (11) in a sliding manner along the vertical direction and separate the inner cavities of the sealing frame (11), air cylinders (17) which are arranged on the upper end face of the sealing frame (11) and drive the separation plates (16) to lift, and operation gloves (18) are arranged on the side walls of the sealing frame (11) corresponding to each chamber.
4. A magnetic cake molding and demolding apparatus as claimed in claim 3, wherein: the separation assembly further comprises a baffle plate (19) fixed in the inner cavity of the sealing frame (11), a gap is reserved between the baffle plate (19) and the operation table (10) for the trolley (13) and blanks to pass through, the separation plate (16) is attached to the baffle plate (19) and is lifted relative to the baffle plate (19), when the baffle plate (19) moves downwards and is abutted to the operation table (10), the separation plate (16) and the baffle plate (19) separate the inner cavity of the sealing frame (11), and the output end of the air cylinder (17) extends into the inner cavity of the sealing frame (11) and is connected with the separation plate (16).
5. A magnetic cake molding and demolding apparatus as claimed in claim 3, wherein: the number of the trussed vehicles (12) is two, and the two trussed vehicles (12) are respectively positioned in two cavities close to one side of the molding press (1).
6. A magnetic cake molding and demolding apparatus as claimed in claim 3, wherein: the side wall of the sealing frame (11) close to the corresponding position of the cavity at the position of the molding press (1) is provided with a feeding door (20) for the raw materials to be molded and the mold to enter, and the side wall of the sealing frame (11) far away from the corresponding position of the cavity at the position of the molding press (1) is provided with a discharging door (21) for discharging the molded blank.
7. The device for molding and demolding a magnetic cake according to claim 1, wherein: the operation table (10) and the feeding end of the molding machine (1) are positioned at the same horizontal position, and the mold is moved into the molding machine (1) by the operation table (10).
8. The device for molding and demolding a magnetic cake according to claim 1, wherein: elastic cushions (9) are fixed on the side walls of the two side modules (4) which are away from each other.
CN202111177435.XA 2021-10-09 2021-10-09 Magnetic cake mould pressing and demoulding device Active CN113990648B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111177435.XA CN113990648B (en) 2021-10-09 2021-10-09 Magnetic cake mould pressing and demoulding device

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Application Number Priority Date Filing Date Title
CN202111177435.XA CN113990648B (en) 2021-10-09 2021-10-09 Magnetic cake mould pressing and demoulding device

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CN113990648B true CN113990648B (en) 2024-06-18

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CN116023118B (en) * 2022-12-12 2023-09-15 中国建筑第五工程局有限公司 Red layer soft rock similar material simulating progressive disintegration and preparation method and device thereof

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