CN219726671U

CN219726671U - Easy shaping structure of ceramic core mould

Info

Publication number: CN219726671U
Application number: CN202320891577.0U
Authority: CN
Inventors: 黄蔚; 张金垚; 周欣; 汪超
Original assignee: Wuxi Hanci Special Ceramic Technology Co ltd
Current assignee: Wuxi Hanci Special Ceramic Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-22
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses an easy-forming structure of a ceramic core die, which comprises an auxiliary runner mechanism arranged on an upper die of the ceramic core, and a surrounding exhaust structure arranged between the upper die of the ceramic core and a lower die of the ceramic core, wherein the auxiliary runner mechanism comprises a side runner transversely arranged in the upper die of the ceramic core, the auxiliary runner mechanism also comprises a lower runner arranged at the bottom of the side runner, and the auxiliary runner mechanism also comprises a manual blocking structure; according to the utility model, the auxiliary runner mechanism and the surrounding exhaust structure are added on the existing ceramic core die, so that slurry can be directly led to difficult-to-mold areas at two ends of the molding cavity through auxiliary drainage of the auxiliary runner mechanism during grouting, thereby improving molding quality, facilitating high-quality molding of the ceramic core, selecting a lower runner of a blocking part according to actual molding requirements, and simultaneously, rapidly discharging gas in the molding cavity during molding.

Description

Easy shaping structure of ceramic core mould

Technical Field

The utility model belongs to the technical field of ceramic core molds, and particularly relates to an easy-forming structure of a ceramic core mold.

Background

The ceramic core mold is a mold special for processing a ceramic core, and mainly comprises an upper mold, a lower mold, a molding cavity and a grouting port, wherein a cylindrical area can be formed in the molding cavity between the upper mold and the lower mold after the upper mold and the lower mold are closed, and then grouting is carried out through the grouting port, so that the ceramic core can be molded;

however, when the ceramic core mold in the prior art is actually used, the grouting port is close to the central area of the molding cavity and is far away from the areas at two ends of the molding cavity, so that slurry is injected into the center of the molding cavity and then extruded to the two ends of the molding cavity during subsequent grouting, the molding effect of the two ends of the ceramic core product in the subsequent molding cavity is inferior to that of the center, high-quality molding is difficult to complete, and meanwhile, due to the fact that an effective exhaust structure is not adopted, air in the molding cavity cannot be rapidly discharged when the upper mold and the lower mold are closed, the molding of the ceramic core product is blocked, the product quality is reduced, and the utility model provides an easy-molding structure of the ceramic core mold.

Disclosure of Invention

The utility model aims to provide an easy-molding structure of a ceramic core mold, which solves the problems that slurry is difficult to enter two ends of a molding cavity after grouting of the existing ceramic core mold and air in the molding cavity cannot be discharged rapidly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an easy shaping structure of ceramic core mould, includes the supplementary runner mechanism that sets up on the ceramic core cope and sets up the exhaust structure that encircles between ceramic core cope and ceramic core lower mould, supplementary runner mechanism is including transversely seting up the inside side channel of ceramic core cope, the one end of side channel communicates with each other with the slip casting passageway of ceramic core cope center department, and the top of slip casting passageway is provided with the slip casting mouth, the other end intercommunication of side channel has the connection runner, the bottom intercommunication of connection runner has the tip runner, the tip runner is seted up at the shaping intracavity wall of ceramic core cope, supplementary runner mechanism still includes the lower runner of seting up in side channel bottom, and the bottom of lower runner communicates with each other with the shaping chamber of ceramic core cope, supplementary runner mechanism still includes manual shutoff structure, encircle exhaust structure including seting up the return airway on ceramic core cope bottom surface, and return airway encircle around the shaping chamber of ceramic core cope, the inner wall of return airway has been seted up a plurality of and ceramic core cope side communicating with each other, the shaping intracavity wall of ceramic core cope has on the ceramic core mould and the shaping layer.

Preferably, the manual plugging structure comprises a rectangular groove formed in the top surface of the upper die of the ceramic core, a vertical pushing rod is movably arranged in the rectangular groove, the manual plugging structure further comprises a storage groove formed in the inner wall of the top end of the side flow channel, the position of the storage groove corresponds to that of the lower flow channel, and the bottom end of the vertical pushing rod penetrates into the storage groove and is fixedly provided with a movable plugging block.

Preferably, the manual plugging structure further comprises a transverse compression bar rotatably mounted at the top end of the vertical push rod, a limiting structure is arranged between the transverse compression bar and the inner wall of the rectangular groove, the limiting structure comprises two U-shaped seats fixed on one side inner wall of the rectangular groove, one end of the transverse compression bar is screwed into the inner side of one U-shaped seat, a movable groove is formed in the U-shaped seat, a hemispherical movable block is movably mounted in the movable groove through a spring, round clamping grooves are formed in the surfaces of two ends of the transverse compression bar, and the end portions of the hemispherical movable block penetrate into one of the round clamping grooves.

Preferably, the manual plugging structure further comprises a sealing structure, the sealing structure comprises a rubber pad fixed on the surface of the movable plugging block, the surface of the rubber pad is provided with an integrated annular bulge, and the inner wall of the storage groove and the inner wall of the lower runner are both provided with annular clamping grooves.

Preferably, a perforation is arranged between the storage groove and the rectangular groove, the perforation corresponds to the vertical push rod, an upper sealing ring is arranged on the inner wall of the bottom end of the rectangular groove, and the upper sealing ring is sleeved on the vertical push rod and is clung to the vertical push rod.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the auxiliary runner mechanism and the surrounding exhaust structure are added on the existing ceramic core die, so that slurry can be directly led to difficult-to-mold areas at two ends of the molding cavity through auxiliary drainage of the auxiliary runner mechanism during grouting, thereby improving molding quality, facilitating high-quality molding of the ceramic core, and the lower runner of the plugging part can be selected according to actual molding requirements, so that the use flexibility is high, and simultaneously, under the cooperation of the surrounding exhaust structure, gas in the molding cavity can be rapidly discharged during closed molding of the upper die and the lower die of the ceramic core, and the molding quality is further improved.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of a portion of the manual occlusion structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged view of a portion of the spacing structure of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of a portion of the seal structure of FIG. 2 in accordance with the present utility model;

in the figure: 1. an auxiliary runner mechanism; 11. a side flow channel; 12. a lower flow passage; 13. a connecting runner; 14. an end flow passage; 15. a manual plugging structure; 151. rectangular grooves; 152. a vertical push rod; 153. a transverse compression bar; 154. a storage tank; 155. a movable block; 156. a limit structure; 1561. a U-shaped seat; 1562. a movable groove; 1563. a spring; 1564. a hemispherical movable block; 1565. a circular clamping groove; 157. a sealing structure; 1571. a rubber pad; 1572. an annular protrusion; 1573. an annular clamping groove; 2. surrounding the exhaust structure; 21. a circular airway; 22. an exhaust passage; 23. an air passage; 3. a ceramic core upper die; 4. a ceramic core lower die; 5. a grouting port; 6. grouting channels.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model provides a technical solution: the utility model provides an easy shaping structure of ceramic core mould, including setting up the supplementary runner mechanism 1 on ceramic core cope match-plate pattern 3 and setting up around exhaust structure 2 between ceramic core cope match-plate pattern 3 and ceramic core drag match-plate pattern 4, supplementary runner mechanism 1 includes transversely seting up in the inside side runner 11 of ceramic core cope match-plate pattern 3, the one end of side runner 11 communicates with each other with the slip casting passageway 6 of ceramic core cope match-plate pattern 3 center department, and the top of slip casting passageway 6 is provided with slip casting mouth 5, the other end intercommunication of side runner 11 has connecting runner 13, connecting runner 13's bottom intercommunication has tip runner 14, tip runner 14 seting up at ceramic core cope match-plate pattern 3's shaping intracavity wall, supplementary runner mechanism 1 still includes seting up at the lower runner 12 of side runner 11 bottom, and the bottom of lower runner 12 communicates with ceramic core cope match-plate pattern 3's shaping chamber, during the follow-up mould operation, the thick liquids can pour into slip casting passageway 6 through slip casting mouth 5, then enters the forming cavities of the ceramic core upper die 3 and the ceramic core lower die 4 for forming, part of slurry in the grouting process is led to the two ends of the forming cavity through the side runner 11, the lower runner 12, the connecting runner 13 and the end runner 14, the forming quality is improved, the high-quality forming of ceramic core products is easy, the auxiliary runner mechanism 1 also comprises a manual blocking structure 15 corresponding to the lower runner 12, according to the actual forming processing requirement, the manual blocking of part of the lower runner 12 can be selected, the use flexibility of the auxiliary runner mechanism 1 is increased, the encircling exhaust structure 2 comprises a circular air passage 21 arranged on the bottom surface of the ceramic core upper die 3, the circular air passage 21 is encircling the forming cavity of the ceramic core upper die 3, the inner wall of the circular air passage 21 is provided with a plurality of exhaust passages 22 communicated with the side surface of the ceramic core upper die 3, a plurality of air guide channels 23 are formed between the forming cavities of the annular air channel 21 and the ceramic core upper die 3, so that when the ceramic core upper die 3 and the ceramic core lower die 4 are closed, air in the forming cavity can be rapidly discharged through the air guide channels 23, the annular air channel 21 and the air discharge channels 22, rapid forming of products in the forming cavity is easy, mirror layers are arranged on inner walls of the forming cavities of the ceramic core upper die 3 and the ceramic core lower die 4, the mirror layers are formed by grinding chromium oxide stearic acid serving as grinding agents through grinding machines, the forming cavities can obtain smoother surfaces, friction between slurry and the dies during injection molding is reduced, and forming effects are improved.

The manual plugging structure 15 includes a rectangular groove 151 formed on the top surface of the ceramic core upper mold 3, a vertical push rod 152 is movably disposed in the rectangular groove 151, the manual plugging structure 15 further includes a storage groove 154 formed on the top inner wall of the side runner 11, the storage groove 154 corresponds to the lower runner 12, the bottom end of the vertical push rod 152 penetrates into the storage groove 154 and is fixed with a movable plugging block 155, when a certain lower runner 12 is to be plugged, only the horizontal push rod 153 needs to be pressed down, the vertical push rod 152 moves down with the movable plugging block 155, the movable plugging block 155 is inserted into the lower runner 12 to plug the lower runner 12, the manual plugging structure 15 further includes a horizontal push rod 153 rotatably mounted on the top end of the vertical push rod 152, and a limiting structure 156 is disposed between the horizontal push rod 153 and the inner wall of the rectangular groove 151.

The limiting structure 156 includes two U-shaped seats 1561 fixed on one side inner wall of the rectangular groove 151 by welding, one end of the lateral compression rod 153 is screwed into the inner side of one of the U-shaped seats 1561, so that when the end of the lateral compression rod 153 is screwed into the inner side of the U-shaped seat 1561 in daily use, the end of the lateral compression rod 153 is required to be screwed out of the U-shaped seat 1561, the limiting structure can be released, the vertical compression rod 152 is pushed up and down to push and pull the U-shaped seat 1561, the movable groove 1562 is formed in the U-shaped seat 1561, the hemispherical movable block 1564 is movably mounted in the movable groove 1562 through the spring 1563, the round clamping grooves 1565 corresponding to the hemispherical movable block 1564 are formed in the surfaces of the two ends of the lateral compression rod 153, and the end of the hemispherical movable block 1564 penetrates into one of the round clamping grooves 1565, so that when the end of the lateral compression rod 153 is screwed into the inner side of the U-shaped seat 1561, the end of the hemispherical movable block 1564 is prevented from being screwed out of the U-shaped seat 1561, and the limiting stability of the lateral compression rod 153 is ensured.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present utility model is based on the previous embodiment, except that the sealing structure 157 is provided to improve the sealing performance of the movable plug 155 when entering the storage groove 154 or the lower flow channel 12.

Specifically, the manual plugging structure 15 further includes a sealing structure 157, the sealing structure 157 includes a rubber pad 1571 fixed on the surface of the movable plugging block 155, an integral annular protrusion 1572 is provided on the surface of the rubber pad 1571, the annular protrusion 1572 and the rubber pad 1571 are made of fluororubber materials, an annular clamping groove 1573 corresponding to the annular protrusion 1572 is provided on the inner wall of the storage groove 154 and the inner wall of the lower runner 12, so that the annular protrusion 1572 is squeezed into the annular clamping groove 1573 when the movable plugging block 155 enters the storage groove 154 or the lower runner 12, an auxiliary sealing effect is achieved, a perforation is provided between the storage groove 154 and the rectangular groove 151, the perforation corresponds to the vertical push rod 152, the vertical push rod 152 is smoothly penetrated, an upper sealing ring is mounted on the inner wall of the bottom end of the rectangular groove 151, the upper sealing ring is made of fluororubber material and located at the perforation, and the upper sealing ring is sleeved on the vertical push rod 152 and is tightly attached to the vertical push rod 152, and the sealing performance can be further improved, and the glue is prevented from overflowing through the perforation.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy shaping structure of ceramic core mould which characterized in that: the device comprises an auxiliary runner mechanism (1) arranged on a ceramic core upper die (3) and a surrounding exhaust structure (2) arranged between the ceramic core upper die (3) and a ceramic core lower die (4), wherein the auxiliary runner mechanism (1) comprises a lateral runner (11) transversely arranged in the ceramic core upper die (3), one end of the lateral runner (11) is communicated with a grouting channel (6) at the center of the ceramic core upper die (3), the top of the grouting channel (6) is provided with a grouting port (5), the other end of the lateral runner (11) is communicated with a connecting runner (13), the bottom end of the connecting runner (13) is communicated with an end runner (14), the end runner (14) is arranged on the inner wall of a forming cavity of the ceramic core upper die (3), the auxiliary runner mechanism (1) further comprises a lower runner (12) arranged at the bottom of the lateral runner (11), the bottom end of the lower runner (12) is communicated with the forming cavity of the ceramic core upper die (3), the auxiliary runner mechanism (1) further comprises a manual blocking structure (15), the other end of the lateral runner (11) is communicated with the forming cavity (21) around the ceramic core upper die (21) and the surrounding the ceramic core upper die (21), the inner wall of the return airway (21) is provided with a plurality of exhaust channels (22) communicated with the side face of the ceramic core upper die (3), a plurality of air guide channels (23) are arranged between the return airway (21) and the forming cavity of the ceramic core upper die (3), and the inner walls of the forming cavities of the ceramic core upper die (3) and the ceramic core lower die (4) are respectively provided with a mirror layer.

2. The easy-to-mold structure of claim 1, wherein: the manual plugging structure (15) comprises a rectangular groove (151) formed in the top surface of the upper die (3) of the ceramic core, a vertical pushing rod (152) is movably arranged in the rectangular groove (151), the manual plugging structure (15) further comprises a storage groove (154) formed in the inner wall of the top end of the side flow channel (11), the storage groove (154) corresponds to the lower flow channel (12), and the bottom end of the vertical pushing rod (152) penetrates into the storage groove (154) and is fixedly provided with a movable plugging block (155).

3. The easy-to-mold structure of a ceramic core mold according to claim 2, wherein: the manual plugging structure (15) further comprises a transverse pressure rod (153) rotatably arranged at the top end of the vertical push rod (152), and a limiting structure (156) is arranged between the transverse pressure rod (153) and the inner wall of the rectangular groove (151).

4. A ceramic core mold easy-to-mold structure according to claim 3, wherein: the limiting structure (156) comprises two U-shaped seats (1561) fixed on the inner wall of one side of the rectangular groove (151), and one end of the transverse pressing rod (153) is screwed into the inner side of one U-shaped seat (1561).

5. The easy-to-mold structure of claim 4, wherein: the inside of U-shaped seat (1561) has seted up movable groove (1562), and has installed hemisphere movable block (1564) through spring (1563) movable in movable groove (1562), circular draw-in groove (1565) have all been seted up on the both ends surface of horizontal depression bar (153), the tip of hemisphere movable block (1564) runs through in one of them circular draw-in groove (1565).

6. The easy-to-mold structure of a ceramic core mold according to claim 2, wherein: the manual plugging structure (15) further comprises a sealing structure (157), the sealing structure (157) comprises a rubber pad (1571) fixed on the surface of the movable plugging block (155), an integrated annular bulge (1572) is arranged on the surface of the rubber pad (1571), and annular clamping grooves (1573) are formed in the inner wall of the storage groove (154) and the inner wall of the lower runner (12).

7. The easy-to-mold structure of a ceramic core mold according to claim 2, wherein: perforations are formed between the storage groove (154) and the rectangular groove (151), and the perforations correspond to the vertical push rods (152).

8. The easy-to-mold structure of a ceramic core mold according to claim 2, wherein: an upper sealing ring is arranged on the inner wall of the bottom end of the rectangular groove (151), and the upper sealing ring is sleeved on the vertical push rod (152) and is tightly attached to the vertical push rod (152).