CN117656232A - Forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel - Google Patents
Forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel Download PDFInfo
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- CN117656232A CN117656232A CN202311837699.2A CN202311837699A CN117656232A CN 117656232 A CN117656232 A CN 117656232A CN 202311837699 A CN202311837699 A CN 202311837699A CN 117656232 A CN117656232 A CN 117656232A
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- 239000000463 material Substances 0.000 title claims abstract description 177
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 51
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 239000002253 acid Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003256 environmental substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a forming and material injecting device of wet-pressing permanent magnetic ferrite magnetic steel, which comprises a middle die, a middle die sealing cover plate, a lifting plate and a top carrier plate, wherein the middle die, the middle die sealing cover plate, the lifting plate and the top carrier plate are sequentially arranged from bottom to top; the top of the middle mold is provided with a plurality of mold bulges, filler cavities are uniformly distributed on the mold bulges, and the lower bottom surface of the sealing cover plate of the middle mold is provided with grooves matched with the mold bulges; the bottom surface of the middle mold sealing cover plate is provided with a material injection hole communicated with a material filling cavity, the top surface of the middle mold sealing cover plate is provided with a material storage cavity communicated with the material injection hole, a material pressing rod is arranged in the material storage cavity, and the top of the material pressing rod is fixedly connected with a lifting plate. The invention provides a forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel, which can avoid the problem of material returning at a material injecting port during wet-pressing forming and can avoid the problems of low density, low strength, poor magnetic performance and the like caused by material returning.
Description
Technical Field
The invention belongs to the technical field of magnetic materials, and particularly relates to a forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel.
Background
The permanent magnetic ferrite is a functional material for generating a magnetic field, and is manufactured by taking SrO or BaO and ferric oxide as raw materials through a ceramic process method. The magnetic ferrite mainly comprises barium ferrite and strontium ferrite, and has the characteristics of high coercivity, high remanence and high magnetic energy product. The magnetic properties of the permanent magnetic ferrite are related to the formula (components), the process and the microstructure. The main raw material is oxide, so the surface is not corroded by the influence of environment or chemical substances (except strong acid), and electroplating treatment is not needed.
The permanent magnetic ferrite is mainly applied to artware, absorbing parts, toys, motors, speakers and the like. The production process comprises the steps of batching, presintering, crushing, ball milling, pulverizing, dry pressing molding/wet pressing magnetic field molding, sintering, machining, checking, packaging and the like.
The existing wet-pressing permanent magnetic ferrite material injection mode is as follows: the slurry is fed into the cavity through the injection channel and the injection hole of the middle mold under the action of the pressure exerted by the injection cylinder, and the defect that the slurry is easy to flow back through the injection channel during compression molding, so that the density of a blank of a molded body is inconsistent, apparent pouring cracks and low mechanical strength are caused, and the surface magnetism caused by the backflow of the oriented slurry is low.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel, which can avoid the problems of material returning at a material injecting port during wet-pressing forming, such as low density, low strength, poor magnetic performance and the like caused by material returning.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the invention provides a forming and material injecting device of wet-pressing permanent magnetic ferrite magnetic steel, which comprises a middle die, a middle die sealing cover plate, a lifting plate and a top carrier plate, wherein the middle die, the middle die sealing cover plate, the lifting plate and the top carrier plate are sequentially arranged from bottom to top;
the top of the middle mold is provided with a plurality of mold bulges, filler cavities are uniformly distributed on the mold bulges, and the lower bottom surface of the sealing cover plate of the middle mold is provided with grooves matched with the mold bulges;
the lower bottom surface of the middle mold sealing cover plate is provided with a material injection hole communicated with a material injection cavity, the top surface of the middle mold sealing cover plate is provided with a material storage cavity communicated with the material injection hole, a material pressing rod is arranged in the material storage cavity, and the top of the material pressing rod is fixedly connected with a lifting plate;
the front side surface of the middle mold sealing cover plate is provided with a plurality of material blocking grooves, a material blocking rod is slidably arranged in the material blocking grooves, and the material blocking rod is positioned right above the grooves;
the material blocking groove is communicated with the material injection hole;
a rectangular flow channel is formed in the middle mold sealing cover plate, and a feeding channel communicated with the rectangular flow channel is formed in the storage cavity;
the upper end of the side surface of the middle mold sealing cover plate is provided with a feed inlet communicated with the rectangular flow passage, and the feed inlet is communicated with a feed pipe.
Further, the middle die and the middle die sealing cover plate are in sealing connection.
Further, the protection casing is installed at top carrier plate top, actuating mechanism is located the protection casing.
Further, the four corners at the top of the middle mold sealing cover plate are fixedly provided with upright posts, and the upright posts penetrate through one end of the lifting plate and are fixedly connected with the top carrier plate;
the lifting plate is slidably arranged outside the upright post;
the driving mechanism comprises a driving motor, a driving wheel, a driven wheel, a belt, a screw rod and a screw rod nut, wherein the driving motor is used for driving the driving wheel to rotate, the belt is wound on the driving wheel and the driven wheel, and the screw rod nut is sleeved on the screw rod;
the driving mechanism further comprises a driving shaft and a driven shaft, the driving shaft is arranged on the driving wheel, the output end of the driving motor is connected with the driving shaft, the driven shaft is arranged on the driven wheel, and the other end of the driven shaft is arranged in the top carrier plate;
the left end of the top carrier plate is fixedly connected with an extension plate, the driving motor is arranged at the bottom of the extension plate, and the output end of the driving motor penetrates through the extension plate to be connected with the driving shaft;
the middle mold sealing cover plate is characterized in that a driving cavity is formed in the center of the top of the middle mold sealing cover plate, the screw rod is positioned in the driving cavity, one end of the screw rod is arranged at the bottom of the driving cavity, and the other end of the screw rod penetrates through the top carrier plate to be fixedly connected with the driven shaft;
the center of the top surface of the lifting plate is provided with a through hole, and the screw rod nut is fixedly arranged in the through hole.
Further, both ends all open and have the observation through groove about the top carrier plate top surface.
Further, the diameter of the material blocking rod is larger than the inner diameter of the material injection hole;
the material blocking rod is provided with a plurality of annular material discharging grooves, and the diameter of the part, located in the annular material discharging grooves, of the material blocking rod is smaller than the inner diameter of the material injection hole.
Further, a plurality of sealing rings are arranged on the material blocking rod, and the annular discharging groove is positioned between two adjacent sealing rings.
Further, a baffle is fixedly arranged at one end of the material blocking rod extending out of the material blocking groove;
the front side surface of the middle die sealing cover plate is provided with a first air cylinder, and the output end of the first air cylinder is fixedly connected with the baffle.
Further, a flowmeter is arranged on the feeding pipe.
In a second aspect, the invention also provides a material injection method of the forming material injection device of the wet-pressed permanent magnetic ferrite magnetic steel, which comprises the following specific operation steps:
step a: middle die injection material
The feed liquid is injected into the middle mold sealing cover plate through the feed pipe, and flows into each storage cavity through the rectangular flow passage in the middle mold sealing cover plate;
step b: preparation for discharging
Controlling a first air cylinder to push the baffle to move, so that an annular discharging groove on the material blocking rod is positioned right below the material injection hole, and preparing for discharging;
step c: injecting the material into the filling cavity
Starting a driving motor to drive a screw rod nut to rotate, so that the lifting plate moves downwards, and the material pressing rod presses the liquid in the material storage cavity into the material filling cavity to finish material filling;
step d: the first cylinder and the driving motor are reset.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a forming and material injecting device for wet-pressing permanent magnetic ferrite magnetic steel, wherein a material injecting hole is not formed in a middle die, so that the problem of material returning of a material injecting hole can not be generated during wet-pressing forming.
2. According to the forming and material injecting device for the wet-pressed permanent magnetic ferrite magnetic steel, the material storing cavity in the middle mold sealing cover plate is used for injecting materials into the filler cavity in the middle mold, the material injecting quantity is controllable, the material injection opening material injection is avoided, and the problems of low density, low strength, poor magnetic performance and the like caused by material injection are avoided.
3. According to the forming and material injecting device for the wet-pressed permanent magnetic ferrite magnetic steel, the lifting plate is driven to lift by the driving mechanism, so that automatic discharging is realized.
4. According to the forming and material injecting device for the wet-pressed permanent magnetic ferrite magnetic steel, provided by the invention, the material is controllably discharged through the arrangement of the material blocking rod, and the material discharging amount can be adjusted through the cooperation of the material blocking rod and the driving mechanism, so that the material discharging time is adjusted, and the actual production is controllable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic structural view of embodiment 1 provided by the present invention;
FIG. 2 is a schematic view showing a partial structure of embodiment 1 provided by the present invention;
fig. 3 is a schematic view of the mounting structure of the driving mechanism of embodiment 1 provided by the present invention;
fig. 4 is a schematic diagram of a connection structure between a driving mechanism and a middle mold sealing cover plate in embodiment 1;
fig. 5 is a front view of the structure of the drive mechanism of embodiment 1 provided by the present invention;
FIG. 6 is a schematic view of the structure of the middle mold seal cover plate of embodiment 1 provided by the present invention;
FIG. 7 is an exploded view of the structure of the middle mold and the middle mold sealing cover plate of example 1 provided by the present invention;
FIG. 8 is a cross-sectional view of the structure of the middle mold seal cover plate of example 1 provided by the present invention;
FIG. 9 is a side view of the structure of example 1 provided by the present invention;
FIG. 10 is a schematic view of the installation structure of the middle mold seal cover plate of embodiment 1 provided by the invention;
FIG. 11 is an exploded view of the structure of the middle mold seal cover plate of example 1 provided by the present invention;
fig. 12 is a schematic structural view of a material blocking rod according to embodiment 1 of the present invention;
FIG. 13 is a structural cross-sectional view of a middle mold seal cover plate of example 1 provided by the present invention;
FIG. 14 is a structural cross-sectional view of a middle mold seal cover plate of example 1 provided by the present invention;
FIG. 15 is a structural cross-sectional view of a middle mold seal cover plate of example 1 provided by the present invention;
fig. 16 is a flow chart of example 2 provided by the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, a forming and injecting device of wet-pressed permanent magnetic ferrite magnetic steel comprises a middle die 1, a middle die sealing cover plate 2, a lifting plate 3 and a top carrier plate 4 which are sequentially arranged from bottom to top, wherein a driving mechanism 5 is arranged on the top carrier plate 4, and the driving mechanism 5 is used for lifting the lifting plate 3;
the middle die 1 is in sealing connection with the middle die sealing cover plate 2;
the top carrier plate 4 is provided with a protective cover 50 on top, and the driving mechanism 5 is positioned in the protective cover 50.
As shown in fig. 4 to 6, the four corners at the top of the middle mold sealing cover plate 2 are fixedly provided with upright posts 30, and the upright posts 30 penetrate through one end of the lifting plate 3 and are fixedly connected with the top carrier plate 4;
the lifting plate 3 is slidably arranged outside the upright post 30, and through the arrangement, the lifting plate 3 is lifted along the outside of the upright post 30 under the action of the driving mechanism 5, so that stable lifting is ensured;
the driving mechanism 5 comprises a driving motor 51, a driving wheel 52, a driven wheel 53, a belt 54, a screw rod 55 and a screw rod nut 56, wherein the driving motor 51 is used for driving the driving wheel 52 to rotate, the belt 54 is wound on the driving wheel 52 and the driven wheel 53, and the screw rod nut 56 is sleeved on the screw rod 55;
the driving mechanism 5 further comprises a driving shaft and a driven shaft, the driving shaft is arranged on the driving wheel 52, the output end of the driving motor 51 is connected with the driving shaft, the driven shaft is arranged on the driven wheel 53, and the other end of the driven shaft is arranged in the top carrier plate 4;
the left end of the top carrier plate 4 is fixedly connected with an extension plate 41, a driving motor 51 is arranged at the bottom of the extension plate 41, and the output end of the driving motor 51 penetrates through the extension plate 41 to be connected with a driving shaft;
a driving cavity 40 is formed in the center of the top of the middle mold sealing cover plate 2, a screw rod 55 is positioned in the driving cavity 40, one end of the screw rod 55 is arranged at the bottom of the driving cavity 40, and the other end of the screw rod 55 penetrates through the top carrier plate 4 and is fixedly connected with a driven shaft;
a through hole is formed in the center of the top surface of the lifting plate 3, and a screw nut 56 is fixedly arranged in the through hole;
the left and right ends of the top surface of the top carrier plate 4 are provided with observation through grooves 42;
the specific workflow of the drive mechanism 5 is as follows: the driving motor 51 operates to drive the driving wheel 52 to rotate, and the belt 54 drives the driven wheel 53 to rotate, so that the screw rod 55 below the driven wheel 53 rotates, the screw rod nut 56 on the screw rod 55 moves up and down along the outside of the screw rod 55, and the lifting plate 3 outside the screw rod nut 56 lifts.
As shown in fig. 7 to 15, a plurality of model bulges 11 are arranged at the top of the middle die 1, and filler cavities 12 are uniformly distributed on the model bulges 11;
the lower bottom surface of the middle mold sealing cover plate 2 is provided with a groove matched with the mold bulge 11;
the lower bottom surface of the middle mold sealing cover plate 2 is provided with a material injection hole 21 communicated with the filler cavity 12, the top surface of the middle mold sealing cover plate 2 is provided with a material storage cavity 22 communicated with the material injection hole 21, a material pressing rod 221 is arranged in the material storage cavity 22, and the top of the material pressing rod 221 is fixedly connected with the lifting plate 3;
in actual production, since the middle part of the top of the middle mold sealing cover plate 2 is provided with the driving cavity 40, in order to ensure normal operation of production, the middle part of the middle mold sealing cover plate 2 is not provided with the material injection hole 21 and is not used for material injection;
the front side surface of the middle mold sealing cover plate 2 is provided with a plurality of material blocking grooves 10, a material blocking rod 6 is slidably arranged in the material blocking grooves 10, and the material blocking rod 6 is positioned right above the grooves;
the material blocking groove 10 is communicated with the material injection hole 21;
the diameter of the material blocking rod 6 is larger than the inner diameter of the material injection hole 21;
the material blocking rod 6 is provided with a plurality of annular material discharging grooves 61, and the diameter of the part of the material blocking rod 6 positioned in the annular material discharging grooves 61 is smaller than the inner diameter of the material injection hole 21;
a plurality of sealing rings are arranged on the material blocking rod 6, and an annular discharge groove 61 is positioned between two adjacent sealing rings;
a baffle 62 is fixedly arranged at one end of the material blocking rod 6 extending out of the material blocking groove 10;
the front side surface of the middle mold sealing cover plate 2 is provided with a first air cylinder 20, and the output end of the first air cylinder 20 is fixedly connected with a baffle plate 62;
the material blocking flow of the material blocking rod 6 is as follows: the baffle plate 62 is pushed to move by the first air cylinder 20 to drive the material blocking rod 6 to move, so that the material blocking groove 10 is far away from the material injection hole 21, and the material blocking rod 6 can block the material in the material injection hole 21 to prevent the material from flowing because the diameter of the material blocking rod 6 is larger than that of the material injection hole 21;
the discharging flow of the material blocking rod 6 is as follows: the baffle plate 62 is pushed by the first air cylinder 20 to move, the material blocking rod 6 is driven to move, the material blocking groove 10 is positioned right below the material injection hole 21, and the material in the material injection hole 21 can circulate through the material blocking groove 10 because the diameter of the part, positioned on the material blocking rod 6, of the material blocking groove 10 is larger than the diameter of the material injection hole 21, so that the material falls into the filler cavity 12 on the lower middle mold 1, and the blanking is completed;
by the arrangement, the relative position of the annular discharge groove 61 and the material injection hole 21 can be changed by setting the extension of the output end of the first cylinder 20, the material pressing flow rate can be adjusted by matching with the material pressing of the driving mechanism 5, the material injection quantity can be controlled, the reliability is high, and the actual production is facilitated;
a rectangular flow passage 23 is formed in the middle mold sealing cover plate 2, and a feeding passage 24 communicated with the rectangular flow passage 23 is formed in the storage cavity 22;
the upper end of the side surface of the middle mold sealing cover plate 2 is provided with a feed inlet 25 communicated with the rectangular flow passage 23, and a feed pipe 26 is communicated with the feed inlet 25;
the working flow of the forming and material injecting device is as follows: feed liquid is injected through the feed pipe 26 and flows into the storage cavity 22 through the feed inlet 25 and the rectangular runner 23
A flowmeter 261 is arranged on the feeding pipe 26;
feed liquid is conveyed into the plurality of storage cavities 22 in the middle mold sealing cover plate 2 through the feed pipe 26, and the feed liquid conveying is stable and reliable, so that the feed liquid consistency of each storage cavity 22 is ensured, and the uniformity and the controllability during the feed are ensured.
The embodiment provides a forming and material injecting device for wet-pressing permanent magnetic ferrite magnetic steel, wherein a material injecting hole is not formed in a middle die 1, so that the problem of material returning of a material injecting hole cannot be caused during wet-pressing forming; the material is injected into the filler cavity 12 in the middle mold 1 through the material storage cavity 22 in the middle mold sealing cover plate 2, the material injection quantity is controllable, no return material is generated, and a plurality of problems of low density, low strength, poor magnetic performance and the like caused by the return material are avoided; the lifting plate 3 is driven to lift by the driving mechanism 5, so that automatic discharging is realized.
Example 2
As shown in fig. 16, the embodiment provides a material injection method of a forming material injection device for wet-pressed permanent magnetic ferrite magnetic steel, which comprises the following specific operation steps:
step a: middle die injection material
Feed liquid is injected into the middle mold sealing cover plate 2 through the feed pipe 26, and flows into each storage cavity 22 through the rectangular flow channel 23 in the middle mold sealing cover plate 2;
step b: preparation for discharging
The first cylinder 20 is controlled to push the baffle plate 62 to move, so that the annular discharge groove 61 on the material blocking rod 6 is positioned right below the material injection hole 21, and material is ready to be discharged;
step c: injecting the material into the filling cavity
Starting the driving motor 51 to drive the screw nut 56 to rotate so as to enable the lifting plate 3 to move downwards, and pressing the liquid in the storage cavity 22 into the filling cavity 12 by the pressing rod 221 to finish filling;
step d: the first cylinder 20 and the driving motor 51 are reset.
The embodiment provides a material injection method of a forming material injection device of wet-pressed permanent magnetic ferrite magnetic steel, which is used for changing the traditional wet-pressed permanent magnetic ferrite material injection mode and avoiding the problems of low density, low strength, poor magnetic performance and the like of formed ferrite caused by material liquid backflow during profiling.
The invention provides a forming and injecting device and a forming and injecting method for wet-pressed permanent magnetic ferrite magnetic steel, which provide a new thought for the injection of wet-pressed permanent magnetic ferrite through the forming and injecting device for wet-pressed permanent magnetic ferrite magnetic steel, and can effectively avoid the problem of feed liquid backflow after the injection by combining the use of the injecting method, thereby ensuring the consistency of the density of the produced forming ferrite.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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.
Claims (10)
1. The forming and material injecting device for the wet-pressed permanent magnetic ferrite magnetic steel is characterized by comprising a middle die (1), a middle die sealing cover plate (2), a lifting plate (3) and a top carrier plate (4) which are sequentially arranged from bottom to top, wherein a driving mechanism (5) is arranged on the top carrier plate (4), and the driving mechanism (5) is used for lifting the lifting plate (3);
the top of the middle die (1) is provided with a plurality of model bulges (11), filler cavities (12) are uniformly distributed on the model bulges (11), and a groove matched with the model bulges (11) is formed in the lower bottom surface of the middle die sealing cover plate (2);
the bottom surface of the middle mold sealing cover plate (2) is provided with a material injection hole (21) communicated with the filler cavity (12), the top surface of the middle mold sealing cover plate (2) is provided with a material storage cavity (22) communicated with the material injection hole (21), a material pressing rod (221) is arranged in the material storage cavity (22), and the top of the material pressing rod (221) is fixedly connected with the lifting plate (3);
a plurality of material blocking grooves (10) are formed in the front side surface of the middle mold sealing cover plate (2), material blocking rods (6) are slidably arranged in the material blocking grooves (10), and the material blocking rods (6) are positioned right above the grooves;
the material blocking groove (10) is communicated with the material injection hole (21);
a rectangular flow passage (23) is formed in the middle mold sealing cover plate (2), and a feeding passage (24) communicated with the rectangular flow passage (23) is formed in the storage cavity (22);
the upper end of the side surface of the middle mold sealing cover plate (2) is provided with a feed port (25) communicated with the rectangular flow passage (23), and the feed port (25) is communicated with a feed pipe (26).
2. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: the middle die (1) is in sealing connection with the middle die sealing cover plate (2).
3. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: the top carrier plate (4) top is installed protection casing (50), actuating mechanism (5) are located protection casing (50).
4. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: the four corners at the top of the middle mold sealing cover plate (2) are fixedly provided with upright posts (30), and the upright posts (30) penetrate through one end of the lifting plate (3) to be fixedly connected with the top carrier plate (4);
the lifting plate (3) is slidably arranged outside the upright post (30);
the driving mechanism (5) comprises a driving motor (51), a driving wheel (52), a driven wheel (53), a belt (54), a screw rod (55) and a screw rod nut (56), wherein the driving motor (51) is used for driving the driving wheel (52) to rotate, the belt (54) is wound on the driving wheel (52) and the driven wheel (53), and the screw rod nut (56) is sleeved on the screw rod (55);
the driving mechanism (5) further comprises a driving shaft and a driven shaft, the driving shaft is arranged on the driving wheel (52), the output end of the driving motor (51) is connected with the driving shaft, the driven shaft is arranged on the driven wheel (53), and the other end of the driven shaft is arranged in the top carrier plate (4);
the left end of the top carrier plate (4) is fixedly connected with an extension plate (41), the driving motor (51) is arranged at the bottom of the extension plate (41), and the output end of the driving motor (51) penetrates through the extension plate (41) to be connected with the driving shaft;
the middle mold sealing cover plate (2) is characterized in that a driving cavity (40) is formed in the center of the top of the middle mold sealing cover plate, a screw rod (55) is positioned in the driving cavity (40), one end of the screw rod (55) is installed at the bottom of the driving cavity (40), and the other end of the screw rod (55) penetrates through the top carrier plate (4) to be fixedly connected with a driven shaft;
the center of the top surface of the lifting plate (3) is provided with a through hole, and the screw rod nut (56) is fixedly arranged in the through hole.
5. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: the left end and the right end of the top surface of the top carrier plate (4) are respectively provided with an observation through groove (42).
6. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: the diameter of the material blocking rod (6) is larger than the inner diameter of the material injection hole (21);
a plurality of annular discharge grooves (61) are formed in the material blocking rod (6), and the diameter of the part, located in the annular discharge grooves (61), of the material blocking rod (6) is smaller than the inner diameter of the material injection hole (21).
7. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: a plurality of sealing rings are arranged on the material blocking rod (6), and the annular discharging groove (61) is positioned between two adjacent sealing rings.
8. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: a baffle (62) is fixedly arranged at one end of the material blocking rod (6) extending out of the material blocking groove (10);
the front side surface of the middle mold sealing cover plate (2) is provided with a first air cylinder (20), and the output end of the first air cylinder (20) is fixedly connected with a baffle plate (62).
9. The molding and injecting device for the wet-pressed permanent magnetic ferrite magnet steel according to claim 1, wherein: a flowmeter (261) is arranged on the feeding pipe (26).
10. A method for injecting materials into a device for molding and injecting wet-pressed permanent magnetic ferrite magnetic steel according to any one of claims 1 to 9, characterized in that the method comprises the following specific operation steps:
step a: middle die injection material
Feed liquid is injected into the middle mold sealing cover plate (2) through the feed pipe (26), and flows into each storage cavity (22) through the rectangular flow channel (23) in the middle mold sealing cover plate (2);
step b: preparation for discharging
The first cylinder (20) is controlled to push the baffle plate (62) to move, so that the annular discharging groove (61) on the material blocking rod (6) is positioned right below the material injection hole (21) and is ready for discharging;
step c: injecting the material into the filling cavity
Starting a driving motor (51) to drive a screw nut (56) to rotate so as to enable the lifting plate (3) to move downwards, and pressing a material pressing rod (221) to press liquid in the material storage cavity (22) into the material filling cavity (12) to finish material filling;
step d: the first cylinder (20) and the driving motor (51) are reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311837699.2A CN117656232A (en) | 2023-12-28 | 2023-12-28 | Forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311837699.2A CN117656232A (en) | 2023-12-28 | 2023-12-28 | Forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117656232A true CN117656232A (en) | 2024-03-08 |
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ID=90069804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311837699.2A Pending CN117656232A (en) | 2023-12-28 | 2023-12-28 | Forming and material injecting device and method for wet-pressed permanent magnetic ferrite magnetic steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117656232A (en) |
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2023
- 2023-12-28 CN CN202311837699.2A patent/CN117656232A/en active Pending
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