CN109708942B - Mold capable of realizing high-flux component screening and forming method - Google Patents

Abstract

The application discloses a die capable of realizing high-flux component screening and a forming method, and relates to material screening. The mold includes a charging cavity, a plurality of transverse partitions, a base, and a ram. The charging die cavity is provided with a cavity for containing raw materials and installing other parts. Each transverse partition in the plurality of transverse partitions is used for being installed along the transverse direction of the cavity and is detachably connected with the transverse partition so as to divide the cavity into a plurality of equal or unequal intervals, each interval is used for containing raw materials with different components in different proportions, and two or more components are optimized simultaneously. The base is used for being arranged at the bottom of the charging mold cavity. The pressing head is used for pressing in from the upper end to the lower end of the charging die cavity so as to press the raw materials into tablets. In the experiment batching preparation process, utilize this application can make two kinds or more than two kinds of raw materials can directly realize the gradient that the component continuous variation mixes in the mould, can carry out disposable preforming simultaneously to the raw materials that mix in this mould, improved work efficiency greatly.

Description

Mold capable of realizing high-flux component screening and forming method

Technical Field

The present disclosure relates to a mold for screening materials, and more particularly, to a mold and a molding method for screening high-throughput components.

Background

To improve the efficiency of component optimization, high throughput ideas have been introduced into material preparation (science reports 2015, 33(10)), as an important component of the materials genome project (MGI), high throughput experiments are defined as an efficient method to generate large amounts of material data in a short time. The core idea is to change the sequential iteration method used in the traditional material research into parallel processing, and the qualitative change of the material research efficiency is caused by quantitative change. Great progress is currently made in the growth of high-throughput materials, and many researchers have conducted effective experiments by this method.

In materials or phase diagram studies, however, it is often necessary to screen for components that optimize the properties of the material, or to prepare a series of samples with continuously varying components. However, no practical high-throughput screening method has been available in these fields.

At present, the common method is to mix a plurality of raw materials according to a certain proportion, tabletting and forming. Then the proportion of each raw material is changed respectively, the raw materials are proportioned one by one, and the steps are repeated. And finally, comparing the molded samples one by one to find out the optimal combination. The method has the problems of weighing errors, complex working steps, low efficiency, long time-consuming experiment period and the like.

Disclosure of Invention

It is an object of the present application to overcome the above problems or to at least partially solve or mitigate the above problems.

According to one aspect of the present application, there is provided a mold for enabling high-throughput component screening, comprising:

the charging die cavity is provided with a cavity which is communicated up and down and is used for containing raw materials and installing other parts of the die;

a plurality of transverse partitions, each transverse partition being adapted to fit transversely of the cavity and being removably connected to the charging cavity so that the plurality of transverse partitions divide the cavity into a plurality of equal or unequal intervals, each interval being adapted to receive a different proportion of the different components of the feedstock for simultaneous optimization of two or more of the components;

a base for mounting at the bottom of the charging cavity to support the charging cavity; and

and the pressing head is used for pressing in from the upper end to the lower end of the charging die cavity so as to press the raw materials into a pressed sheet.

Optionally, the plurality of transverse spacers are removed and the whole is formed by tabletting, and correspondingly, the pressing head is a pressing block matched with the cavity.

Optionally, the plurality of transverse spacers are retained to be pressed into the tablets at one time in each interval, and accordingly, the ram is a pressing block fitted to the cavity, and the ram has a plurality of coupling grooves in a transverse direction thereof fitted to the plurality of transverse spacers installed in the cavity to press the raw material in each interval into the corresponding tablet at one time.

Optionally, the mold further comprises at least one longitudinal separation blade, which is detachably connected to the charging cavity along the longitudinal direction of the cavity, so that the cavity is divided into corresponding equal or unequal intervals by the at least one longitudinal separation blade, and each interval is used for uniformly adding the raw material, so that the raw material can directly form a concentration gradient on two sides of each longitudinal separation blade.

Optionally, each longitudinal baffle plate is shaped as a straight line or as an arbitrary function curve to meet different proportion requirements, and has a height consistent with the filling cavity.

Optionally, the at least one longitudinal separation blade is taken out, a plurality of transverse spacers are inserted, after uniform mixing, the plurality of transverse spacers are removed, integral tabletting molding is carried out, and correspondingly, the pressure head is a pressing block matched with the cavity.

Optionally, the at least one longitudinal separation blade is removed, a plurality of transverse separation blades are inserted, and after uniform mixing, the plurality of transverse separation blades are retained to be pressed into the tablet in each interval for one-time forming.

Optionally, the mold further comprises a cover, which is matched with the charging cavity and is used for preventing leakage during mixing.

Optionally, the base has a stepped recess therein that mates with the charging cavity to accommodate the charging cavity and directly complete sample ejection.

According to another aspect of the application, a molding method using the mold capable of realizing high-flux component screening is provided, which is performed according to the following steps,

dividing the charging die cavity into a plurality of transverse intervals with equal or unequal volumes through a plurality of transverse spacers, respectively charging in each interval and uniformly mixing;

removing a plurality of transverse spacers, and pressing the raw materials by a pressing head for integral forming; or, a plurality of transverse spacers are reserved, and each transverse spacer is formed at a corresponding transverse interval; alternatively, the first and second electrodes may be,

firstly, one or a plurality of detachable longitudinal separation blocking pieces are longitudinally placed in a charging die cavity, the cavity is divided into a plurality of longitudinal intervals, then the raw materials are uniformly paved in the longitudinal intervals respectively, the raw materials are uniformly mixed, then the longitudinal separation blocking pieces are taken off, a plurality of transverse spacers are inserted, after the raw materials are uniformly mixed, the plurality of transverse spacers are removed for integral forming, or the plurality of transverse spacers are reserved for respective forming.

The mold and the molding method capable of realizing high-flux component screening, namely, in the experimental ingredient preparation process, the mold replaces the traditional method, so that two or more raw materials can be directly mixed in the mold in a gradient manner with continuously changed components. Compare in using traditional mould, this mould can carry out disposable while preforming to the raw materials that mix in this mould, has improved work efficiency greatly.

Furthermore, the shape of the longitudinal separation blade can be changed according to different requirements on component change, component mixing of raw materials from linear to nonlinear change can be achieved, and various requirements which may appear in experiments can be met.

In addition, the die can be combined with the shape requirement of the final sample in the actual situation, and the cross section shape of the die is changed under the condition of keeping continuous change of components, so that a satisfactory sample is obtained.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic front cross-sectional view of a mold that can achieve high-throughput component screening according to one embodiment of the present application;

FIG. 2 is a schematic perspective view of a charging mold cavity with the insertion of a plurality of transverse partitions according to one embodiment of the present application;

FIG. 3 is a schematic top view of a charging mold cavity inserted into a plurality of transverse partitions and loaded into a base according to one embodiment of the present application;

FIG. 4 is a schematic perspective view of a charging mold cavity inserted into longitudinally spaced shutter plates according to another embodiment of the present application;

FIG. 5a is a schematic top view of a charging mold cavity according to another embodiment of the present application with longitudinal partition flaps inserted;

FIG. 5b is a schematic top view of a charging mold cavity according to another embodiment of the present application with longitudinal partition flaps inserted;

FIG. 5c is a schematic top view of a charging mold cavity according to another embodiment of the present application with longitudinal partition flaps inserted;

FIG. 5d is a schematic top view of a charging mold cavity according to another embodiment of the present application with longitudinal partition flaps inserted;

FIG. 5e is a schematic top view of a charging mold cavity inserted into longitudinal divider plates according to another embodiment of the present application;

FIG. 6a is a schematic top view of a charging mold cavity according to another embodiment of the present application with longitudinal divider plates and a plurality of transverse partitions inserted therein;

FIG. 6b is a schematic top view of a charging mold cavity with longitudinal divider plates and a plurality of transverse dividers inserted therein according to another embodiment of the present application;

FIG. 6c is a schematic top view of a charging mold cavity with longitudinal divider plates and a plurality of transverse dividers inserted therein according to another embodiment of the present application;

FIG. 6d is a schematic top view of a charging mold cavity with longitudinal divider plates and a plurality of transverse dividers inserted therein according to another embodiment of the present application;

FIG. 7a is a schematic block diagram of an indenter according to one embodiment of the present application;

FIG. 7b is a schematic block diagram of an indenter according to another embodiment of the present application;

FIG. 8a is a schematic block diagram of a ram assembled in a charging cavity in accordance with one embodiment of the present application;

figure 8b is a schematic block diagram of a ram as it fits in a charging cavity according to another embodiment of the present application.

The symbols in the drawings represent the following meanings:

100 of moulds are adopted, and the mould is a mould,

1 charging cavity, 11 grooves, 12 cavities,

2 a transverse spacer (2) which is,

3 longitudinal separation blocking sheet, 31 projecting part,

4, a base, a step-shaped groove 41,

5, a pressure head, 51 is connected with the groove,

6, a cover.

Detailed Description

Fig. 1 is a schematic main sectional view of a die capable of high throughput component screening according to one embodiment of the present application. FIG. 2 is a schematic perspective view of a charging mold cavity with multiple transverse partitions inserted therein according to one embodiment of the present application. FIG. 3 is a schematic top view of a charging mold cavity inserted into a plurality of transverse partitions and loaded into a base according to one embodiment of the present application. Figure 7a is a schematic block diagram of an indenter according to one embodiment of the present application. Figure 7b is a schematic block diagram of an indenter according to another embodiment of the present application. Figure 8a is a schematic block diagram of a ram as it fits in a charging cavity in accordance with one embodiment of the present application. Figure 8b is a schematic block diagram of a ram as it fits in a charging cavity according to another embodiment of the present application.

Referring also to fig. 2-3, and 7-8, as shown in fig. 1, in this embodiment, a mold 100 for high throughput component screening is provided, which may generally include: a charging cavity 1, a plurality of transverse partitions 2, a base 4 and a ram 5. The charging cavity 1 has a cavity 12 extending vertically therethrough for receiving the material and for receiving other parts of the mold 100. Each transverse partition 2 of the plurality of transverse partitions 2 is adapted to be mounted transversely of the cavity 12 and is detachably connected to the charging cavity 1 such that the plurality of transverse partitions 2 divides the cavity 12 into equal or unequal intervals, each interval being adapted to receive a different proportion of the different components of the raw material for simultaneous optimization of two or more of the components. A base 4 is intended to be mounted at the bottom of the charging cavity 1 to hold the charging cavity 1. A ram 5 (see fig. 7a, 7b) is used to press in from the upper end to the lower end of the charging cavity 1 to press the raw material into a tablet.

In this embodiment, referring to fig. 1, the plurality of transverse partitions 2 may be removed, and, referring to fig. 8a, may be integrally tablet-formed. Accordingly, as shown in fig. 7a, the ram 5 is a compact that fits into the cavity 12.

In this embodiment, referring to fig. 1, the plurality of transverse webs 2 may be retained and laminated in one step per space, see fig. 8 b. Accordingly, as shown in fig. 7b, the ram 5 is a pressing block fitted to the cavity 12, the ram 5 has a plurality of coupling grooves 51 formed through the front and rear ends thereof in the lateral direction, and the plurality of coupling grooves 51 are fitted to the plurality of lateral spacers 2 installed in the cavity 12 to form the raw material in each space into a corresponding pressing sheet at one time. Wherein said matching means that the plurality of connecting grooves 51 in the indenter 5 matches the position and size of the corresponding plurality of transverse spacers 2 in the cavity 12.

Referring to fig. 3, the cavities 12 of the charging cavities 1 are divided equally into several spaces by a plurality of transverse partitions 2, and the cavities 12 of the charging cavities 1 can be divided equally into the desired number according to the number of samples required, for example, when carrying out the preferred solid phase sintering component. The upper base 4 is assembled, the proportion of various raw materials is respectively changed and added into each interval, and the raw materials are uniformly mixed by using a resonance mixer. The transverse spacers 2 are then pressed with the press 5 shown in fig. 7a, with the possibility of removing them. It is also possible to tablet directly with the indenter 5 shown in fig. 7 b. After sheeting is completed, the entire mold 100 is inverted and the base 4 is removed to complete the demolding.

Therefore, the mold 100 capable of realizing high-throughput component screening can replace the traditional method by the mold 100 in the experimental ingredient preparation process, so that two or more raw materials can be directly mixed in the mold 100 in a gradient manner with continuously changing components. Compare in using traditional mould, this mould 100 can carry out disposable while preforming to the raw materials that mix in this mould 100, has improved work efficiency greatly.

Further, as shown in fig. 2, in the present embodiment, a plurality of grooves 11 are correspondingly formed on two sides of the upper portion of the charging cavity 1 in a vertically overlapped manner. Each recess 11 is intended to receive one end of a transverse web 2 in order to fix said transverse web 2. Accordingly, each transverse web 2 is T-shaped, the two flanks of which are intended to fit in the corresponding grooves 11. More specifically, in the present embodiment, the mold 100 can be divided into 20 equal parts by the grooves 11 and the corresponding transverse partitions 2, and the mold can be divided into the required equal parts according to the requirement during the actual use process.

Fig. 4 is a schematic perspective view of a charging cavity inserted into longitudinally spaced shutter plates according to another embodiment of the present application. In this embodiment, the mold 100 further comprises at least one longitudinal separation blade 3, which is detachably connected to the charging cavity 1 along the longitudinal direction of the cavity 12, so that the at least one longitudinal separation blade 3 divides the cavity 12 into corresponding equal or unequal intervals. Wherein each interval is used for evenly adding raw materials, so that the raw materials can directly form a concentration gradient on two sides of each longitudinal separation blade 3.

Further, as shown in fig. 4, the at least one longitudinal separation blade 3 can be removed, referring to fig. 3, a plurality of transverse partitions 2 are inserted, mixed uniformly, the plurality of transverse partitions 2 are removed, and the whole is tabletted and molded. Accordingly, referring to fig. 7a, the ram 5 is a compact that fits into the cavity 12.

Further, as shown in fig. 4, the at least one longitudinal partition plate 3 may be removed, referring to fig. 3, and a plurality of transverse partitions 2 may be inserted and mixed uniformly, and then the plurality of transverse partitions 2 may be retained to be pressed at each partition for one-time molding. Accordingly, referring to fig. 7b, the ram 5 is a pressing piece fitted to the cavity 12, and the ram 5 has a plurality of coupling grooves 51 in a lateral direction, and the plurality of coupling grooves 51 are fitted to the plurality of lateral spacers 2 installed in the cavity 12 to form the raw material in each space into a corresponding pressing piece at one time.

Further, as shown in fig. 4, in the present embodiment, two sides of the upper portion of the longitudinal separation blade 3 correspondingly protrude outward to form protrusions 31, and each protrusion 31 is matched with the groove 11 in the charging cavity 1 to fix the longitudinal separation blade 3 at a preset position.

Fig. 5a is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal partition blades inserted, one of which is linear. Fig. 5b is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal partition blades inserted, with a curvilinear longitudinal partition blade inserted. FIG. 5c is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces inserted, with two linear longitudinal divider pieces inserted. FIG. 5d is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces inserted, with two linear longitudinal divider pieces inserted. FIG. 5e is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces inserted, with three linear longitudinal divider pieces inserted.

More specifically, as shown in fig. 5 a-5 e, in the present embodiment, each longitudinal baffle plate 3 is shaped as a straight line or as an arbitrary function curve, for meeting the requirements of different proportions, with a height that is consistent with the filling cavity 1. Make this application can also be according to the demand to the difference of component change, change the shape of vertical separation blade 3, can realize that the raw materials mixes from linear to the component of nonlinear variation, can satisfy the multiple requirement that probably appears in the experiment.

Fig. 6a is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces and transverse partitions inserted, one linear longitudinal divider piece and nine transverse partitions. Fig. 6b is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces and transverse partitions inserted, with one curvilinear longitudinal divider piece and nine transverse partitions inserted. Fig. 6c is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces and transverse partitions inserted, with two linear longitudinal divider pieces and nine transverse partitions inserted. Fig. 6d is a schematic top view of a charging cavity according to another embodiment of the present application with longitudinal divider pieces and transverse partitions inserted, with two linear longitudinal divider pieces and nine transverse partitions inserted.

As shown in fig. 5a, the longitudinal separation blade 3 is inserted into the charging cavity 1, so that the charging cavity can be divided into two parts, the preferable raw materials required by solid phase sintering are respectively added at two sides, and the raw materials are uniformly spread in the mold 100, so that concentration gradients can be directly formed at two sides of the longitudinal separation blade 3, and the raw materials can be mixed according to a linear proportion. Referring to fig. 6a, the longitudinal separation blades 3 are taken out, the transverse separation blades 2 are inserted, component isolation with different concentrations can be completed, then the cover 6 is covered, raw materials in each compartment are uniformly mixed by a resonance mixer, and finally the transverse separation blades 2 are taken down to be integrally tabletted and molded or the separation blades are not taken down to be tabletted and molded. After sintering, the performance test is carried out on the samples in each proportion, and component optimization is completed.

FIG. 5a is one of the simplest component-preferred methods. If there are special requirements regarding the ratio of the two components, as shown in fig. 5b, the longitudinal baffle plates 3 of different functional curve shapes can be used for baffling if a non-linear proportional mixing is required, thereby changing the concentration gradient, preferably for the raw materials of the special components. Through the embodiment, the requirements of any proportion can be met, and the screening is more convenient and efficient. In addition to the optimization of two raw materials, the mold 100 of the present application may also perform component optimization on more than two raw materials, as shown in fig. 5c, 5d, and 5e, the number of the longitudinal separation blades 3 may be increased according to requirements, so that concentration gradients are directly formed on two sides of the longitudinal separation blades 3 by the more than two raw materials, the remaining operation steps are the same as those of the two raw materials, and details of this embodiment are not repeated.

Further, in this embodiment, as shown in fig. 1, the mold 100 further includes a cover 6, which is matched with the charging cavity 1 and is used for preventing material leakage during material mixing.

Further, in this embodiment, the base 4 has a stepped recess 41 inside, which is matched with the charging cavity 1 to accommodate the charging cavity 1, and the entire mold 100 is inverted at the end of tablet pressing, so that the base 4 can be removed and the demolding of the sample can be directly completed.

The charging cavity 1 in this example has a rectangular internal cross-section, and the sample after compression is a rectangular tablet. If sheets of other shapes are to be obtained, the cross-sectional shape of the mold 100 can be varied while maintaining the continuous variation of the composition, in combination with the shape requirements of the final sample in the actual situation, to obtain a satisfactory sample, which can meet various requirements.

To sum up, the die 100 of the application has the advantages of simple structure, convenience in installation and various combinations, and can meet various experimental requirements. The mold 100 of the present application can be used for high-throughput preparation of solid-phase sintered samples, and can also be used for preparation of component-optimized material rods for crystal growth by an optical floating zone method, a laser pedestal heating method, and the like. Can directly and conveniently form different kinds of component concentration gradients, and can realize tabletting one-time forming and improve component screening efficiency.

Referring to fig. 1, according to another aspect of the present application, there is provided a molding method using the mold 100 capable of achieving high-throughput component screening, which is performed according to the following steps,

in step 100, the charging cavity 1 is combined with the base plate 4.

Step 200, inserting a plurality of transverse spacers 2, dividing the charging die cavity 1 into a plurality of transverse intervals with equal or unequal volumes, respectively charging in each interval, covering a cover 6, and uniformly mixing by using a resonance mixer.

And step 300, removing the plurality of transverse spacers 2, and pressing the raw materials by using a pressing head 5 for integral forming.

Alternatively, a plurality of transverse partitions 2 are left, each of which is shaped separately. Namely, the transverse septa 2 are reserved for one-time tabletting molding.

And step 400, after tabletting is finished, inverting to directly separate the base 4, and taking out the pressed tablets.

Referring to fig. 4, according to another aspect of the present application, there is provided another molding method using the mold 100 capable of achieving high-throughput component screening, which is performed according to the following steps,

in step 100, the charging cavity 1 is combined with the base plate 4.

Step 200, selecting a proper longitudinal separation blade 3 according to experimental requirements and inserting the longitudinal separation blade 3 at a diagonal position of a charging cavity 1, namely longitudinally placing one or a plurality of detachable longitudinal separation blades 3 in the charging cavity 1, dividing a cavity 12 into a plurality of longitudinal intervals, then uniformly spreading raw materials in the longitudinal intervals respectively, covering a cover 6 on a die 100, and performing homogenization treatment on each component by using a resonance mixer to enable the components to be spread in the die 100, thus directly forming concentration gradients on two sides of the separation blade.

And step 300, removing the longitudinal separation baffle plates 3, inserting the plurality of transverse spacers 2, uniformly mixing, and removing the plurality of transverse spacers 2 for integral molding.

Alternatively, a plurality of transverse partitions 2 are left separately formed.

And step 400, after tabletting is finished, inverting to directly separate the base 4, and taking out the pressed tablets.

The mold 100 is simple in structure, convenient to install and reliable to use. The forming method can conveniently and rapidly combine a plurality of kinds of powder to form different concentration gradients for mixing, is suitable for high-flux component optimization through phase diagram experiments and solid phase sintering, can also be used for preparing material rods of crystal growth methods such as an optical floating zone method and a laser base heating method, and improves the experimental efficiency.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (9)

1. A mold for high throughput component screening, comprising:

the charging die cavity is provided with a cavity which is communicated up and down and is used for containing raw materials and installing other parts of the die;

the longitudinal separation baffle plate is used for being mounted in the longitudinal direction of the cavity and detachably connected with the charging die cavity, so that the cavity is divided into corresponding unequal intervals by the longitudinal separation baffle plate, the central line of each longitudinal separation baffle plate is intersected with the longitudinal axis of the cavity, the interval corresponding to the longitudinal separation baffle plate is divided into spaces with gradually changed volumes, and each interval is used for uniformly adding raw materials, so that the raw materials can directly form concentration gradients on two sides of each longitudinal separation baffle plate;

a plurality of transverse partitions, each transverse partition being adapted to fit transversely of the cavity and being removably connected to the charging cavity so that the plurality of transverse partitions divide the cavity into a plurality of equal or unequal intervals, each interval being adapted to receive a different proportion of the different components of the feedstock for simultaneous optimization of two or more of the components;

a base for mounting at the bottom of the charging cavity to support the charging cavity; and

the pressing head is used for pressing in from the upper end to the lower end of the charging die cavity so as to press the raw materials into tablets;

the vertical separation blocking piece and the plurality of transverse spacers are used independently in corresponding process steps, the vertical separation blocking piece is used firstly, then the plurality of transverse spacers are used, a plurality of vertically overlapped grooves are correspondingly formed in two sides of the upper part of the charging die cavity, each groove is used for accommodating one end of one transverse spacer so as to fix the transverse spacers, correspondingly, each transverse spacer is T-shaped, two side wings of the T-shaped are used for being installed in the corresponding groove, and the cavity of the die can be divided into required parts according to requirements in the actual use process through the grooves and the corresponding transverse spacers.

2. The mold of claim 1, wherein said plurality of transverse spacers are removed and integrally formed into a tablet, and said ram is a press block fitted into said cavity, accordingly.

3. The die of claim 1, wherein the plurality of transverse webs are retained for one-shot forming of the preform in each space, and accordingly, the ram is a press block fitted into the cavity, and the ram has a plurality of connecting grooves in a transverse direction thereof fitted into the plurality of transverse webs fitted into the cavity to one-shot form the raw material in each space into a corresponding preform.

4. The mold according to claim 1, characterized in that each longitudinal separation blade is shaped as a straight line or as an arbitrary function curve for meeting the requirements of different proportions, the height of which is in correspondence with the filling cavity.

5. The die of claim 1, wherein the ram is a compact that fits the cavity, respectively.

6. The die of claim 1, wherein said ram is a press block fitted into said cavity, said ram having a plurality of coupling grooves in a lateral direction thereof, said plurality of coupling grooves being fitted into said plurality of lateral spacers installed in said cavity, respectively, to form the raw material in each space into a corresponding press sheet at a time.

7. The mold of claim 1, further comprising a cover cooperating with said charging cavity for preventing material leakage during mixing.

8. A mould as claimed in any one of claims 1 to 7, wherein the base has a stepped recess therein to mate with the charging cavity to receive the charging cavity and to effect direct sample ejection.

9. A molding method using the mold for realizing high-throughput component screening according to any one of claims 1 to 8, which is carried out according to the following steps,

firstly, one or a plurality of detachable longitudinal separation blocking pieces are longitudinally placed in a charging die cavity, the cavity is divided into a plurality of longitudinal intervals, then the raw materials are uniformly paved in the longitudinal intervals respectively, the raw materials are uniformly mixed, then the longitudinal separation blocking pieces are taken off, a plurality of transverse spacers are inserted, after the raw materials are uniformly mixed, the plurality of transverse spacers are removed for integral forming, or the plurality of transverse spacers are reserved for respective forming.

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