CN203266885U - Dry-pressing forming die for electronic ceramic - Google Patents
Dry-pressing forming die for electronic ceramic Download PDFInfo
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- CN203266885U CN203266885U CN 201320322884 CN201320322884U CN203266885U CN 203266885 U CN203266885 U CN 203266885U CN 201320322884 CN201320322884 CN 201320322884 CN 201320322884 U CN201320322884 U CN 201320322884U CN 203266885 U CN203266885 U CN 203266885U
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Abstract
The utility model discloses dry-pressing forming die for electronic ceramic. The dry-pressing forming die comprises an upper die (1), a lower die (2) and a female die (3), wherein the upper die (1) is provided with an upper die core (11); the lower die (2) is provided with at least two lower die cores (21); the female die (3) is provided with a die core hole running through in an axial direction (31); and the upper die core (11) and the lower die core (21) can adaptively stretch to the female die hole (31) and form a mutual-squeezing state. By the arrangement of the lower die core A and the lower die core B in a relatively adjustable axial direction, when terraces with multiple depths and different shapes are pressed, powder can be filled in suitable amount; and each part after compression molding of ceramic blanks possesses uniform density, so that blanks are prevented from cracking and layering during burning procedure.
Description
Technical field
The utility model relates to electronic ceramics making apparatus technical field, particularly a kind of electronic ceramics dry pressing molding mould.
Background technology
Can utilize the pottery of electricity, magnetic property in electronics industry, be called electronic ceramics.Electronic ceramics is the pottery that final acquisition has new function by the control of effects on surface, crystal boundary and dimensional structure.Can extensive use at aspects such as the energy, household electrical appliance, automobiles.
At present, when the electronic ceramics base substrate was made, the mould that uses comprised upper male mould, lower punch and die, and lower punch is fixed, and die makes progress after floating filler, and upper male mould is pressed in die, and the powder pressing that is filled in is wherein become the suitable base substrate of density.After compacting is completed, promote upper male mould, die is floated drop-down, because lower punch is fixed and base substrate is ejected plane on die, complete the pressing process of whole base substrate.Such dry pressing die set is only applicable to the compacting of the ceramic of the simple shape structures such as circle shape, sheet, and for complex structure, have the ceramic of multi-stage stairs, existing dry pressing die set does not reach requirement.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art: for the compacting of complicated shape ceramic body, because lower punch is fixed and each position, position can not be adjusted relatively, making when adding powder can not free floating and guarantee suitable powder addition, thereby causes compressing base substrate different parts density inconsistent.
The utility model content
In order to solve the problem of prior art, the utility model embodiment provides a kind of electronic ceramics spare to fire and has used chute board.Described technical scheme is as follows:
A kind of electronic ceramics dry pressing molding mould is provided, described dry pressing molding mould comprises: upper die and lower die and die, described patrix has upper mold core, described counterdie has at least two adjustable lower mold core of relative axial position, described die has the core rod hole of axial perforation, and described upper mold core and described lower mold core can stretch in described core rod hole formation suitablely and push in opposite directions situation." axially " described in the utility model is the direction that the upper die and lower die punching press is moved when pressing blank.
Further, described counterdie comprises lower mold core A and lower mold core B, and described lower mold core A and described lower mold core B axial location can relatively move, and described lower mold core A is relative fixing with described lower mold core B radial position." radially " described in the utility model is in-plane vertical with upper die and lower die punching press moving direction when pressing blank.
The operation principle of this dry pressing molding mould is:
First counterdie is extend in die, adjust the position of lower mold core A and lower mold core B, then add powder in die.Like this, make according to designing requirement, in the position of lower mold core A and lower mold core B, the amount of adding powder is different, thereby consistent in the density of lower mold core A and lower mold core B corresponding position after base substrate is compressing.
After having added powder, patrix and upper mold core are pressed in die, are pressed.After moulding, the demoulding gets final product.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
But by lower mold core A and the lower mold core B that the axial location relative adjustment is set, when making the step that differs in the multistage degree of depth difformity of compacting, can guarantee the powder of each several part filling appropriate amount, and then be consistent in the density of the compressing rear each several part of ceramic batch, avoid that base substrate ftractures, layering when firing.On the other hand, but lower mold core A and lower mold core B be the position relative adjustment in the axial direction, but namely designing free floating under control, thereby impelling powder fully to slide into each corner when powder filling, guaranteeing bight density can not occur not or unfilled corner when compacting.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the dry pressing molding mould structural representation that the utility model embodiment provides.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The present embodiment provides a kind of electronic ceramics dry pressing molding mould, please refer to Fig. 1, this dry pressing molding mould comprises: patrix 1, counterdie 2 and die 3, patrix 1 has upper mold core 11, counterdie 2 has at least two adjustable lower mold core 21 of relative axial position, die 3 has the core rod hole 31 of axial perforation, and upper mold core 11 and lower mold core 21 can stretch into core rod hole 31 interior formation suitablely and push in opposite directions situation." axially " that the present embodiment is said is the direction that patrix 1, counterdie 2 punching presses are moved when pressing blank.Like this, for the labyrinth ceramic with multi-stage stairs, the thickness of ceramic each several part is different, and will make in the density of compressing rear each several part consistently, requires to load according to the thickness proportion of each several part the powder of appropriate amount when powder filling.Due to patrix 1, counterdie 2 and die 3 be can relative to and the member that independently moves separately, and at least two lower mold core 21 relative position in the axial direction are adjustable, namely when powder filling, but each lower mold core 21 free floatings and control the filling thickness of powder, thereby make the ceramic body each several part consistent in density after compressing, guaranteed that ftractureing does not appear in base substrate, the phenomenon of layering when firing, greatly improved the qualification rate of product.On the other hand, but lower mold core 21 free floating when powder filling, thus impel powder to slide into fully each corner of steps at different levels, guarantee bight density can not occur not or unfilled corner when compacting.
The counterdie 2 of the present embodiment comprises lower mold core A201 and lower mold core B202, and lower mold core A201 and lower mold core B202 axial location can relatively move, and lower mold core A201 is relative fixing with lower mold core B202 radial position." radially " that the present embodiment is said be when pressing blank with patrix 1, in-plane that counterdie 2 punching press moving directions are vertical.Like this, lower mold core A201 and lower mold core B202 axial location can relatively move and can guarantee according to the designing requirement powder filling, and fix relative with lower mold core B202 radial position of lower mold core A201 can guarantee that the pressing process base substrate is firm.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. electronic ceramics dry pressing molding mould, it is characterized in that, described dry pressing molding mould comprises: patrix (1), counterdie (2) and die (3), described patrix (1) has upper mold core (11), described counterdie (2) has at least two adjustable lower mold core of relative axial position (21), described die (3) has the core rod hole (31) of axial perforation, and described upper mold core (11) and described lower mold core (21) can stretch into the interior formation in described core rod hole (31) suitablely and push in opposite directions situation.
2. electronic ceramics dry pressing molding mould according to claim 1, it is characterized in that, described counterdie (2) comprises lower mold core A(201) and lower mold core B(202), described lower mold core A(201) with described lower mold core B(202) axial location can relatively move, described lower mold core A(201) with described lower mold core B(202) radial position is relative fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320322884 CN203266885U (en) | 2013-06-06 | 2013-06-06 | Dry-pressing forming die for electronic ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320322884 CN203266885U (en) | 2013-06-06 | 2013-06-06 | Dry-pressing forming die for electronic ceramic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203266885U true CN203266885U (en) | 2013-11-06 |
Family
ID=49497367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320322884 Expired - Fee Related CN203266885U (en) | 2013-06-06 | 2013-06-06 | Dry-pressing forming die for electronic ceramic |
Country Status (1)
| Country | Link |
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| CN (1) | CN203266885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273561A (en) * | 2013-06-06 | 2013-09-04 | 湖南省美程陶瓷科技有限公司 | Electronic ceramic dry-pressing die |
-
2013
- 2013-06-06 CN CN 201320322884 patent/CN203266885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273561A (en) * | 2013-06-06 | 2013-09-04 | 湖南省美程陶瓷科技有限公司 | Electronic ceramic dry-pressing die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160606 |