CN-121989341-A - Ceramic piece forming equipment and production method for bulletproof clothes aluminum oxide plugboard

Abstract

The invention relates to the technical field of ceramic sheet processing, and discloses ceramic sheet forming equipment and a production method for an alumina insert plate of a body armor, which comprises a steel frame, wherein a pressing mechanism, a fixed mould and a lower mould are sequentially arranged on the steel frame from top to bottom, a plurality of pressing holes and a plurality of blanking holes are formed on the fixed mould, the steel frame is also provided with a die closing hydraulic cylinder, the fixed die is provided with an electric push rod and a cleaning mechanism, the cleaning mechanism comprises a plurality of blowing spray heads, a plurality of spraying spray heads, a driving piece and a push plate, and the steel frame is also provided with a material returning mechanism which comprises a scraping plate, a pushing piece and a screen. The invention can clean the inner wall of the pressing hole, and simultaneously can automatically return the ceramic plate, thereby greatly improving the use convenience, recycling redundant dry powder, and simultaneously facilitating the demolding of the molded ceramic plate and further improving the use convenience.

Inventors

• Yin yongfeng
• ZHU RUIPING

Assignees

• 江苏印安安全防护科技有限公司

Dates

Publication Date

20260508

Application Date

20260407

Claims (10)

1. 1. The ceramic wafer forming equipment comprises a steel frame, and is characterized in that a pressing mechanism, a fixed mold and a lower mold are sequentially arranged on the steel frame from top to bottom, a plurality of pressing holes and a discharging opening are formed in the fixed mold, a mold closing hydraulic cylinder is further arranged on the steel frame and used for driving the lower mold to move, the mold closing hydraulic cylinder can drive the lower mold to contact with the bottom surface of the fixed mold during pressing, and then the pressing mechanism carries out dry pressing forming on dry powder in the pressing holes; The fixed mould is provided with an electric push rod and a cleaning mechanism, the cleaning mechanism comprises a plurality of blowing spray heads, a plurality of spraying spray heads, a driving piece and a pushing plate, the blowing spray heads are used for blowing and cleaning the inside of the pressing hole, the spraying spray heads are used for spraying release agents into the pressing hole, the driving piece is used for driving the blowing spray heads and the spraying spray heads to move vertically, and the pushing plate is used for collecting dry powder; The steel frame is also provided with a material returning mechanism, the material returning mechanism comprises a scraping plate, a pushing piece and a leaking net, the scraping plate is used for scraping the surface of the lower die, the pushing piece is used for driving the scraping plate to move, and the leaking net is used for separating dry powder and forming ceramic plates; The electric push rod comprises an extension state and a retraction state; The electric push rod drives the blowing nozzle and the spraying nozzle to horizontally move, after the blowing nozzle and the spraying nozzle move to the position above the pressing hole, the driving piece can drive the blowing nozzle and the spraying nozzle to enter the pressing hole, after that, the push plate can push the excessive powder on the fixed mould to the blanking hole, and during the extension of the electric push rod, the pushing piece can drive the scraping plate to return the formed ceramic piece on the lower mould; And in the retraction stage, the electric push rod drives the blowing nozzle and the spraying nozzle to reset, and at the moment, the scraping plate can push the redundant dry powder on the lower die to the drain net.
2. 2. The ceramic wafer forming equipment according to claim 1, wherein the die clamping hydraulic cylinders are distributed on two sides of the steel frame, the bottom ends of the die clamping hydraulic cylinders are hinged to the steel frame, an output shaft of each die clamping hydraulic cylinder is hinged to a shaft bracket, the shaft brackets are rotatably connected to the steel frame through bearing seats, lifting rods are hinged to the shaft brackets, one ends of the lifting rods, far away from the shaft brackets, are hinged to the lower die, fixing rods are symmetrically arranged on the steel frame, and the lower die is connected to the fixing rods in a sliding mode.
3. 3. The ceramic wafer molding apparatus of claim 1, wherein the electric push rod is fixedly connected with a fixing frame, the fixing frame is fixedly connected with the fixing frame, the driving piece comprises surrounding frames, the surrounding frames are symmetrically distributed on two sides of the fixing frame, one of the surrounding frames is fixedly connected with an output shaft on the electric push rod, the push plate is fixedly connected with the surrounding frames, and the surrounding frames are provided with transverse plates.
4. 4. The ceramic wafer forming equipment according to claim 3, wherein a connecting spring is fixedly connected to the transverse plate, one end, far away from the transverse plate, of the connecting spring is fixedly connected with a roller frame, rollers are arranged on the inner side of the roller frame, connecting rods are fixedly connected to the roller frame, one end, far away from the roller frame, of each connecting rod penetrates through the transverse plate and is fixedly connected with a convex plate, limit rods are symmetrically distributed on the convex plates, one end, far away from the convex plates, of each limit rod penetrates through the transverse plate and extends out of the transverse plate, a mounting plate is arranged on the outer side of each convex plate, and two surrounding frames are connected through the mounting plate.
5. 5. The ceramic wafer molding apparatus of claim 4, wherein a slide block is fixedly connected to the outer side of the enclosure frame, a slide rail is slidably connected to the inner side of the slide block, the slide rail is fixedly connected to the fixed mold, the fixed mold is fixedly connected to the steel frame, the driving member further comprises a bent plate frame, the bent plate frame is symmetrically distributed on the inner side of the steel frame, a plurality of guide blocks distributed in an array are fixedly connected to the bent plate frame, and the guide blocks can drive the mounting plate to move downwards when the enclosure frame moves to the pressing hole.
6. 6. The ceramic wafer molding apparatus of claim 5, wherein an air pipe is fixedly connected to the air blowing nozzle, the air blowing nozzle is circumferentially distributed on the air pipe, the air pipe is externally connected with an air compressor, the spraying nozzle is circumferentially distributed on the release agent pipe, the release agent pipe is externally connected with a release agent delivery pump, the release agent pipe is fixedly connected to the outer side of the air pipe, and the release agent pipe is mounted on the mounting plate.
7. 7. The ceramic wafer forming equipment according to claim 6, wherein the pushing piece comprises a hydraulic elbow fixedly connected to the lower die through a clamp, a push rod and a pressing rod are respectively and slidably connected to two ends of the inner side of the hydraulic elbow, one end of the push rod, which is far away from the hydraulic elbow, is abutted against the surrounding frame, a reset spring is fixedly connected to the push rod, one end of the reset spring, which is far away from the push rod, is fixedly connected to the hydraulic elbow, one end of the pressing rod, which is far away from the hydraulic elbow, is fixedly connected to the scraping plate, and the scraping plate is slidably connected to the lower die.
8. 8. The ceramic wafer forming equipment according to claim 1, wherein the screen is symmetrically and fixedly connected to two ends of the fixed mold, the screen is communicated with the fixed mold, an inclined outlet is fixedly connected to the bottom of the screen, and the scraping plate can push the formed ceramic wafers and dry powder on the lower mold to the screen during material returning.
9. 9. The ceramic wafer forming equipment according to claim 1, wherein the pressing mechanism comprises a pressing hydraulic cylinder, the pressing hydraulic cylinder is fixedly connected to the steel frame, an upper die is fixedly connected to an output shaft of the pressing hydraulic cylinder, and the pressing hydraulic cylinder can drive the upper die to be matched with a die formed by the fixed die and the lower die during pressing.
10. 10. A process for producing an alumina insert plate for body armor, characterized in that a ceramic sheet molding apparatus as claimed in any one of claims 1 to 9 is used.

Description

Ceramic piece forming equipment and production method for bulletproof clothes aluminum oxide plugboard Technical Field The invention relates to the technical field of ceramic sheet processing, in particular to ceramic sheet forming equipment and a production method for an alumina insert plate of a body armor. Background The alumina ceramic insert plate is a core component of bulletproof equipment made of alumina ceramic materials and is mainly used for individual protective equipment such as bulletproof clothes, wherein the existing alumina ceramic plates are roughly divided into dry press molding, injection molding, slip casting and the like, and the dry press molding is one of the most widely applied molding methods in ceramic production, and is particularly suitable for products with simple shapes, regular sizes and mass production. Chinese patent CN118238256B discloses a dry press forming device for preparing ceramic sheet, which can automatically detect whether powder is uniformly distributed through the cooperation of a push rod and a disc in the process of press forming ceramic sheet, and automatically control the first impact rod and the second impact rod to repeatedly impact the bottom plate in different directions when the powder is unevenly distributed, so that the first impact rod and the second impact rod vibrate to drive the powder to be uniformly distributed, thereby ensuring the quality of press forming ceramic sheet, and realizing automatic feeding and discharging by cooperation with a feeding mechanism and a receiving structure; However, the above technical solution has some drawbacks when in use, such as that there is a fit gap between the bottom plate and the inner wall of the pressing cavity, these mechanically fit gaps, and the joint between the supporting plate and the inner wall of the cavity, which are very easy to become dead corners for embedding and stacking powder (especially fine particles) during powder filling and vibration, and these residues easily cause pollution of subsequent products and affect quality uniformity of the blank. Disclosure of Invention Aiming at the defects of the prior art, the invention provides ceramic sheet forming equipment and a production method for an alumina insert plate of body armor, which solve the problems. In order to solve the technical problems, the invention provides the technical scheme that the ceramic wafer forming equipment comprises a steel frame, wherein a pressing mechanism, a fixed mould and a lower mould are sequentially arranged on the steel frame from top to bottom, a plurality of pressing holes and a blanking opening are formed in the fixed mould, a mould closing hydraulic cylinder is further arranged on the steel frame and used for driving the lower mould to move, the mould closing hydraulic cylinder can drive the lower mould to contact with the bottom surface of the fixed mould during pressing, and then the pressing mechanism carries out dry pressing forming on dry powder in the pressing holes; The fixed mould is provided with an electric push rod and a cleaning mechanism, the cleaning mechanism comprises a plurality of blowing spray heads, a plurality of spraying spray heads, a driving piece and a pushing plate, the blowing spray heads are used for blowing and cleaning the inside of the pressing hole, the spraying spray heads are used for spraying release agents into the pressing hole, the driving piece is used for driving the blowing spray heads and the spraying spray heads to move vertically, and the pushing plate is used for collecting dry powder; The steel frame is also provided with a material returning mechanism, the material returning mechanism comprises a scraping plate, a pushing piece and a leaking net, the scraping plate is used for scraping the surface of the lower die, the pushing piece is used for driving the scraping plate to move, and the leaking net is used for separating dry powder and forming ceramic plates; The electric push rod comprises an extension state and a retraction state; The electric push rod drives the blowing nozzle and the spraying nozzle to horizontally move, after the blowing nozzle and the spraying nozzle move to the position above the pressing hole, the driving piece can drive the blowing nozzle and the spraying nozzle to enter the pressing hole, after that, the push plate can push the excessive powder on the fixed mould to the blanking hole, and during the extension of the electric push rod, the pushing piece can drive the scraping plate to return the formed ceramic piece on the lower mould; And in the retraction stage, the electric push rod drives the blowing nozzle and the spraying nozzle to reset, and at the moment, the scraping plate can push the redundant dry powder on the lower die to the drain net. Preferably, the die closing hydraulic cylinders are distributed on two sides of the steel frame, the bottom ends of the die closing hydraulic cylinders are hinged to the steel frame, a