CN218314214U

CN218314214U - Ceramic biscuit pressed blank die capable of rapidly demoulding

Info

Publication number: CN218314214U
Application number: CN202221761340.2U
Authority: CN
Inventors: 徐艳; 章旭
Original assignee: Hefei Jingchuang Technology Co ltd
Current assignee: Hefei Jingchuang Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-17
Anticipated expiration: 2032-07-08

Abstract

The utility model relates to a ceramic biscuit green compact mould capable of quickly demoulding, which comprises a rubber sleeve, wherein the top and the bottom of the rubber sleeve are both provided with an end cap, the outer side wall of the rubber sleeve is provided with two clamps which are respectively positioned at the outer sides of the two end caps, the inside of the rubber sleeve is provided with a filling cavity for filling powder, the inside of the filling cavity is provided with a mould core, and a ceramic biscuit material is filled between the filling cavity and the mould core; the problems that in the prior art, demoulding operation is complex after ceramic forming, the overall mounting and dismounting efficiency is low, demoulding cannot be quickly realized, and the forming efficiency is reduced are solved; meanwhile, once the fired ceramic body is deformed, no machining allowance exists, the ceramic body is scrapped, or the machining allowance needs to be increased, so that resources are wasted, the rejection rate is improved, the working efficiency is reduced, the production cost is increased, and the like.

Description

Ceramic biscuit blank die capable of quickly demoulding

Technical Field

The utility model relates to a but ceramic biscuit pressed compact mould technical field specifically is a but ceramic biscuit pressed compact mould of rapid demoulding.

Background

Chinese patent discloses a special mould for ceramic blank high-pressure slip casting (publication number: CN 102514087A), which comprises an external mould and a supporting plate for sealing the external mould, and is characterized in that: the outer mold comprises a water-absorbing and breathable K gypsum mold and a steel sleeve arranged on the outer wall of the K gypsum mold, air holes are formed in the steel sleeve, and a grouting port and an air injection port are formed in the supporting plate.

In the patent, demoulding operation is complex after ceramic is formed, the overall mounting and dismounting efficiency is low, demoulding cannot be quickly realized, and the forming efficiency is reduced; meanwhile, once the fired ceramic blank body is deformed, no machining allowance exists, the ceramic blank body is scrapped, or the machining allowance needs to be increased, so that resources are wasted, the rejection rate is improved, the working efficiency is reduced, and the production cost is increased.

In order to solve the above-mentioned drawbacks, a technical solution is now provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but ceramic biscuit pressed compact mould of quick drawing of patterns.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a but ceramic biscuit pressed compact mould of quick drawing of patterns, including the gum cover, the top and the bottom of gum cover all are provided with the end cap, be provided with two clamps on the lateral wall of gum cover, and two clamps are located the outside of two end caps respectively, the inside of gum cover is provided with the filling chamber that is used for filling the powder, the inside of filling the chamber is provided with the mold core, it has ceramic biscuit material to fill between chamber and the mold core, be provided with the telescopic dop of a plurality of on the outside lateral wall of end cap, set up the card hole with dop looks adaptation on the gum cover inside wall, the one end of dop is hemispherical structure, the other end of dop is fixed with the guide bar, a plurality of inner chambers have been seted up on the outside lateral wall of end cap, the guide bar sets up the inside at the inner chamber, the lateral wall of inner chamber is provided with the spout, spout and dop looks adaptation, the outer surface cover of guide bar is equipped with the spring, the one end and the dop looks fixed, the other end of spring is fixed on the end cap.

Furthermore, the plug arranged at the top of the rubber sleeve is penetrated through by the top of the mold core, and the bottom surface of the plug arranged at the bottom of the rubber sleeve is parallel and level to the bottom surface of the mold core.

Furthermore, the cross section of mold core is trapezium structure, and the top diameter of mold core is less than the bottom diameter of mold core.

Furthermore, the plug is of a circular structure, and a through hole is formed in the middle of the plug.

Furthermore, the clamp is an unclosed circular structure, two clamping grooves are formed in the outer wall of the rubber sleeve, and the clamp is located in the clamping grooves in the outer wall of the rubber sleeve.

Furthermore, both ends that the clamp is not closed are fixed with head rod and second connecting rod respectively, are provided with the chucking bolt between head rod and the second connecting rod.

The utility model has the advantages that:

the mould core through the round platform type structure that sets up can let the quick drawing of patterns of the ceramic biscuit that obtains after the ceramic powder suppression, the ceramic biscuit is through processing excircle and terminal surface after taking out, place the less one end of hole on the board that holds of kiln as the bearing surface, because the action of gravity, the bearing surface is shrink in sintering process and is received the influence of resistance, produce easily and warp, because the tip hole surplus is great, can not cause and not scrap because of the product warp, thereby the ceramic blank qualification rate has been improved, and the production cost is reduced.

The clamping hoop can be used for facilitating the whole die to be mounted and dismounted. The dop through setting up can with the joint in the card hole on the gum cover inside wall to can make end cap and gum cover joint firm, and when needs demolish, only need with the end cap upwards mention can, set up the end cap and be convenient for install the mould and demold fast, improve the manufacturing efficiency of mould.

Be fixed with head rod and second connecting rod respectively through the both ends that the clamp is not closed, be provided with the chucking bolt between head rod and the second connecting rod, fasten through the chucking bolt between head rod and the second connecting rod, the clamp through setting up can make this mould wholly be convenient for install and dismantle, through setting up the chucking bolt, make the chucking degree between head rod and the second connecting rod realize adjusting, be convenient for adapt to not unidimensional gum cover, satisfy different chucking demands simultaneously.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a ceramic biscuit green compact mold capable of being rapidly demolded according to the present invention;

fig. 2 is a schematic structural view of the clamp of the present invention;

FIG. 3 is an enlarged view of the present invention at A in FIG. 2;

fig. 4 is a top view of the plug of the present invention;

fig. 5 is an enlarged view of the present invention at B in fig. 4.

In the figure: 1. a rubber sleeve; 2. clamping a hoop; 21. a first connecting rod; 22. a second connecting rod; 23. clamping the bolt; 3. a plug; 31. a through hole; 32. clamping a head; 33. a chute; 34. an inner cavity; 35. a guide bar; 36. a spring; 4. filling the cavity; 5. and (5) a mold core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a ceramic biscuit green compact die capable of being rapidly demoulded comprises a rubber sleeve 1, wherein the top and the bottom of the rubber sleeve 1 are provided with plugs 3, the outer side wall of the rubber sleeve 1 is provided with two clamps 2, the two clamps 2 are respectively positioned at the outer sides of the two plugs 3, a filling cavity 4 for filling powder is arranged inside the rubber sleeve 1, a die core 5 is arranged inside the filling cavity 4, ceramic biscuit materials are filled between the filling cavity 4 and the die core 5, the plug 3 arranged at the top of the rubber sleeve 1 is penetrated through by the top of the die core 5, and the bottom surface of the plug 3 arranged at the bottom of the rubber sleeve 1 is parallel to the bottom surface of the die core 5; through filling ceramic biscuit powder into the inside of a filling cavity 4, thereby enabling the filling cavity 4 to be filled and filled, and obtaining a ceramic biscuit, after an end cap 3 at the bottom of a rubber sleeve 1 is installed, one end with a large diameter of a mold core 5 is placed into the end cap 3 at the bottom of the rubber sleeve 1, so that the mold core 5 can be stabilized by the end cap 3, then the ceramic biscuit powder is filled into the inside of the filling cavity 4, after the ceramic biscuit powder fills a gap between the filling cavity 4 and the mold core 5, the end cap 3 at the top of the rubber sleeve 1 is clamped into the inside of the mold core 5, and the end cap 3 can seal the ceramic biscuit powder in the filling cavity 4, after the sealing is completed, the filled mold is placed in an isostatic pressing hydraulic cylinder to be extruded under the environment with the pressure of 200MPa, so that the ceramic biscuit can be formed.

The section of the mold core 5 is in a trapezoidal structure, and the diameter of the top of the mold core 5 is smaller than that of the bottom of the mold core 5. Through setting up mold core 5 not only can let the quick drawing of patterns of ceramic biscuit that obtains after the ceramic powder suppression, the ceramic biscuit is through processing excircle and terminal surface after taking out, place the less one end of hole on the board is burnt to holding of kiln as the bearing surface, because the action of gravity, the bearing surface is shrink in sintering process and is received the influence of resistance, produce easily and warp, because the tip hole surplus is great, can not cause and not scrap because of the product warp, thereby the ceramic blank qualification rate has been improved, and production cost is reduced.

The plug 3 is of a circular structure, and a through hole 31 is formed in the middle of the plug 3. The installation of the mold core 5 is facilitated by the through holes 31.

Referring to fig. 2-3, the clamp 2 is an unclosed circular structure, two clamping grooves are formed in the outer wall of the rubber sleeve 1, the clamp 2 is located in the clamping grooves in the outer wall of the rubber sleeve 1, wherein a first connecting rod 21 and a second connecting rod 22 are respectively fixed at two unclosed ends of the clamp 2, a clamping bolt 23 is arranged between the first connecting rod 21 and the second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are fastened through the clamping bolt 23, the mold is integrally convenient to mount and dismount through the arranged clamp 2, and the clamping degree between the first connecting rod 21 and the second connecting rod 22 is adjusted through the arrangement of the clamping bolt 23, so that the mold is convenient to adapt to rubber sleeves 1 with different sizes, and different clamping requirements are met;

referring to fig. 4-5, a plurality of telescopic chucks 32 are arranged on an outer side wall of the plug 3, a clamping hole matched with the chucks 32 is formed in an inner side wall of the rubber sleeve 1, one end of the chucks 32 is of a hemispherical structure, a guide rod 35 is fixed to the other end of the chucks 32, a plurality of inner cavities 34 are formed in the outer side wall of the plug 3, the guide rod 35 is arranged inside the inner cavities 34, sliding grooves 33 are formed in side walls of the inner cavities 34, the sliding grooves 33 are matched with the chucks 32, springs 36 are sleeved on outer surfaces of the guide rod 35, one ends of the springs 36 are fixed to the chucks 32, and the other ends of the springs 36 are fixed to the plug 3. Dop 32 through setting up can with the joint in the card hole on the 1 inside wall of gum cover, thereby can make end cap 3 and 1 joint of gum cover firm, and when needs demolish, only need with end cap 3 upwards mention can, the dop 32 of 1 bottom of gum cover is in the installation, let dop 32 support on the lateral wall of gum cover 1 earlier, slide towards the inside of gum cover 1, make dop 32 card go into the inside in the card hole on the 1 lateral wall of gum cover, thereby make end cap 3 and gum cover 1 fixed, let dop 32 butt on the inside wall of gum cover 1 earlier when the end cap 3 at installation gum cover 1 top, slide end cap 3 downwards, make end cap 3 and gum cover 1 fixed, when dop 32 contacts 1 inside wall of gum cover, dop 32 can extrude spring 36, spring 36 compresses, spring 36 can promote the inside that dop 32 entered into the card hole after dop 32 entered into the inside in card hole, thereby with end cap 3 and 1 joint of gum cover.

The working principle is as follows:

the utility model discloses when using, after the end cap 3 of gum cover 1 bottom is installed, put into the end cap 3 inside of installing in gum cover 1 bottom with the one end that mold core 5 diameter is big, thereby end cap 3 can stabilize mold core 5, again to filling the inside ceramic biscuit powder of chamber 4, after ceramic biscuit powder will fill the clearance between chamber 4 and the mold core 5 and fill and accomplish, again block end cap 3 card at the top of gum cover 1 into the inside of mold core 5, put clamp 2 in the draw-in groove, and carry out the chucking through chucking bolt 23 with first connecting rod 21 and second connecting rod 22, and end cap 3 can seal the ceramic biscuit powder of filling the chamber 4 inside, after sealed the completion, place the mould of filling in isostatic pressing pneumatic cylinder under the environment that the pressure is 200MPa, thereby can make ceramic powder form ceramic biscuit; when demoulding, the clamping bolt 23 is opened, the clamp 2 is loosened, and the plug 3 at the top is lifted upwards.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A ceramic biscuit blank pressing mold capable of quickly demolding, which comprises a rubber sleeve (1), it is characterized in that the top and the bottom of the rubber sleeve (1) are both provided with a plug (3), the outer side wall of the rubber sleeve (1) is provided with two hoops (2), and two clamps (2) are respectively located the outside of two end caps (3), the inside of gum cover (1) is provided with filling chamber (4) that is used for filling the powder, the inside of filling chamber (4) is provided with mold core (5), it has ceramic biscuit material to fill between filling chamber (4) and the mold core (5), be provided with a plurality of telescopic dop (32) on the outside lateral wall of end cap (3), set up the card hole with dop (32) looks adaptation on gum cover (1) inside wall, the one end of dop (32) is the hemisphere structure, the other end of dop (32) is fixed with guide bar (35), a plurality of inner chamber (34) have been seted up on the outside lateral wall of end cap (3), guide bar (35) set up the inside of inner chamber (34), the lateral wall of inner chamber (34) is provided with spout (33), spout (33) and dop (32) looks adaptation, the surface cover of guide bar (35) is equipped with spring (36), the one end of spring (36) is fixed with dop (32), the other end of spring (36) is fixed on end cap (3).

2. A ceramic biscuit blank mould capable of being demoulded quickly as claimed in claim 1, characterized in that the plug (3) arranged at the top of the rubber sleeve (1) is penetrated through by the top of the mould core (5), and the bottom surface of the plug (3) arranged at the bottom of the rubber sleeve (1) is flush with the bottom surface of the mould core (5).

3. A ceramic greenbody blank mould capable of being rapidly demoulded according to claim 1, characterized in that the cross-section of the core (5) is trapezoidal, the diameter of the top of the core (5) being smaller than the diameter of the bottom of the core (5).

4. A ceramic biscuit blank mould capable of being demoulded quickly according to claim 1, characterized in that the plug (3) is of circular structure and the central part of the plug (3) is provided with a through hole (31).

5. The ceramic biscuit blank pressing mold capable of realizing rapid demolding according to claim 1, wherein the hoop (2) is of an unclosed annular structure, two clamping grooves are formed in the outer wall of the rubber sleeve (1), and the hoop (2) is located in the clamping groove in the outer wall of the rubber sleeve (1).

6. A ceramic greenbody blank mould capable of being demoulded quickly according to claim 1, characterized in that the two ends of the clamping band (2) which are not closed are respectively fixed with a first connecting rod (21) and a second connecting rod (22), and a clamping bolt (23) is arranged between the first connecting rod (21) and the second connecting rod (22).