CN213890453U

CN213890453U - Mold for forming ceramic core

Info

Publication number: CN213890453U
Application number: CN202022023234.1U
Authority: CN
Inventors: 王家林; 黄蔚
Original assignee: Wuxi Hanci Special Ceramic Technology Co ltd
Current assignee: Wuxi Hanci Special Ceramic Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-08-06
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a mould for ceramic core shaping, including lower mould mechanism and upper mould mechanism, upper mould mechanism movable mounting is on lower mould mechanism, through set up the location inserting groove in the up end edge of lower forming die, and set up the location grafting limit in the up end edge of upper forming die, and the location grafting limit cooperatees with the location inserting groove, when making the upper forming die push down on the lower forming die, the location grafting limit inserts in the location inserting groove, improves the location effect, and makes the compound die more firm, and increases the leakproofness; four groups of first semi-cylindrical grooves are formed in the upper end face of the lower forming die, four groups of second semi-cylindrical grooves are formed in the upper end face of the upper forming die, and after die assembly is carried out, four groups of ceramic core rods can be completed.

Description

Mold for forming ceramic core

Technical Field

The utility model relates to a ceramic core technical field specifically is a be used for fashioned mould of ceramic core.

Background

The ceramic core is a ceramic core used in the investment casting process for short, and is used as an adapter for forming a casting cavity, and the ceramic core has the following functions: the inner cavity structure of the casting is formed, and the requirement of the casting on the size precision of the cavity is ensured together with the outer section mould and the mould shell.

The existing ceramic core rod has low molding efficiency of a mold and poor positioning effect of the mold in the production process, and can not be accurately positioned when the upper mold and the lower mold are closed.

To the problem, the utility model provides a be used for fashioned mould of ceramic core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a based on a be used for fashioned mould of ceramic core, including lower mould mechanism and upper die mechanism, upper die mechanism movable mounting improves the production efficiency of ceramic plug on lower mould mechanism, and when going up the lower mould compound die, location that can be accurate to the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a mould for forming a ceramic core comprises a lower mould mechanism and an upper mould mechanism, wherein the upper mould mechanism is movably arranged on the lower mould mechanism and is connected with a telescopic end of a hydraulic cylinder;

the upper die mechanism is provided with a first connecting plate and an upper die block piece, and the upper die block piece is fixedly welded on the upper end face of the first connecting plate to form the whole upper die mechanism.

Preferably, the lower module piece is provided with a second connecting plate and a lower forming die, and the lower forming die is fixedly welded on the second connecting plate to form the whole lower module piece.

Preferably, the lower forming die is provided with four groups of first semi-cylindrical grooves and positioning insertion grooves, the four groups of first semi-cylindrical grooves are formed in the upper end face of the lower forming die, and the positioning insertion grooves are formed in the edge of the upper end face of the lower forming die.

Preferably, the positioning guide pillar assembly comprises a guide pillar and a return spring, the lower end of the guide pillar is fixedly welded at the four corners of the second connecting plate, the return spring is sleeved on the guide pillar, and the lower end of the return spring is fixedly welded at the lower end of the guide pillar.

Preferably, the guide pillar is provided with a lower welding reinforcing sheet and a limiting block, the lower welding reinforcing sheet is fixedly welded at the lower end of the guide pillar and fixedly welded on the second connecting plate, and the limiting block is fixedly welded at the upper end of the guide pillar.

Preferably, the return spring is provided with a lantern ring, the lantern ring is fixedly welded at the upper end of the return spring, and the lower end of the return spring is fixedly welded on the lower welding reinforcing sheet.

Preferably, the first connecting plate is provided with a through hole and a connecting block, the through hole is formed in the four corners of the first connecting plate, the guide pillar penetrates through the first connecting plate through the through hole, and the connecting block is fixedly welded on the lower end face of the first connecting plate and connected with the telescopic end of the hydraulic cylinder.

Preferably, the upper module part is provided with an upper forming die, four groups of second semi-cylindrical grooves and four positioning insertion edges, the four groups of second semi-cylindrical grooves are formed in the upper end face of the upper forming die, and the positioning insertion edges are fixedly arranged on the edge of the upper end face of the upper forming die and matched with the positioning insertion grooves.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of be used for fashioned mould of ceramic core, through fixed welding guide pillar on the second connecting plate of lower module spare to set up the through hole in the four corners department of first connecting plate, and the guide pillar runs through first connecting plate through the through hole, when making the upper forming die carry out the compound die with lower forming die, that can not take place the skew in accurate location more enough, guarantees the shaping effect.

2. The utility model provides a pair of be used for fashioned mould of ceramic core sets up the location inserting groove through the up end edge of moulded die under to and set up location grafting limit at last moulded die up end edge, and the location grafting limit cooperatees with the location inserting groove, when making on the moulded die push down the moulded die, the location grafting limit inserts the location inserting groove in, improves the location effect, and makes the compound die more firm, and increases the leakproofness.

3. The utility model provides a pair of be used for fashioned mould of ceramic core, through with four groups first semi-column groove set up the up end of moulded die under, and with four groups second semi-column groove set up at last moulded die up end, after the compound die, can accomplish four group's pottery plug, this kind of fashioned structure of multimode improves production efficiency.

4. The utility model provides a pair of be used for fashioned mould of ceramic core, through with reset spring suit on the guide pillar, and the fixed welding of lower extreme is at the lower extreme of guide pillar, when last moulded die pushes down on the moulded die down, on pushing down reset spring earlier, reset spring cushions pressure, prevents that pressure from too big will moulded die pressure loss down, plays the effect of unloading the power buffering.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a lower mold mechanism of the present invention;

FIG. 3 is a schematic structural view of a lower module of the present invention;

FIG. 4 is a schematic structural view of the positioning guide pillar assembly of the present invention;

fig. 5 is a schematic structural view of the upper die mechanism of the present invention.

In the figure: 1. a lower die mechanism; 11. a lower module piece; 111. a second connecting plate; 112. a lower forming die; 1121. a first semi-cylindrical groove; 1122. positioning the inserting groove; 12. positioning the guide pillar assembly; 121. a guide post; 1211. lower welding of the reinforcing sheet; 1212. a limiting block; 122. a return spring; 1221. a collar; 2. an upper die mechanism; 21. a first connecting plate; 211. a through hole; 212. connecting blocks; 22. an upper module member; 221. an upper forming die; 222. a second semi-cylindrical groove; 223. and positioning the edges of the inserting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a mold for forming a ceramic core includes a lower mold mechanism 1 and an upper mold mechanism 2, wherein the upper mold mechanism 2 is movably mounted on the lower mold mechanism 1 and connected to a telescopic end of a hydraulic cylinder.

Referring to fig. 2-4, the lower die mechanism 1 is provided with a lower die block 11 and a positioning guide pillar assembly 12, the positioning guide pillar assembly 12 is fixedly welded at four corners of the lower die block 11 to form an integral lower die mechanism 1, the positioning guide pillar assembly 12 is movably mounted on the upper die mechanism 2, the lower die block 11 is provided with a second connecting plate 111 and a lower forming die 112, the lower forming die 112 is fixedly welded on the second connecting plate 111 to form an integral lower die block 11, the lower forming die 112 is provided with a first semi-cylindrical groove 1121 and a positioning insertion groove 1122, the first semi-cylindrical grooves 1121 are provided in four groups, the first semi-cylindrical grooves 1121 of the four groups are provided on the upper end surface of the lower forming die 112, the positioning insertion groove 1122 is provided on the edge of the upper end surface of the lower forming die 112, the positioning guide pillar assembly 12 includes a guide pillar 121 and a return spring 122, the lower end of the guide pillar 121 is fixedly welded at four corners of the second connecting plate 111, and the return spring 122 is sleeved on the guide pillar 121, the lower end of the guide post 121 is fixedly welded to the lower end of the guide post 121, the guide post 121 is provided with a lower welding reinforcement 1211 and a stop block 1212, the lower welding reinforcement 1211 is fixedly welded to the lower end of the guide post 121 and is fixedly welded to the second connecting plate 111, the stop block 1212 is fixedly welded to the upper end of the guide post 121, the guide post 121 is fixedly welded to the second connecting plate 111 of the lower module 11, the through hole 211 is formed in the four corners of the first connecting plate 21, the guide post 121 penetrates through the first connecting plate 21 through the through hole 211, so that when the upper forming die 221 and the lower forming die 112 are closed, the upper forming die and the lower forming die are more accurately positioned without deviation, and the forming effect is ensured, the return spring 122 is provided with a collar 1221, the collar 1221 is fixedly welded to the upper end of the return spring 122, the lower end of the return spring 122 is fixedly welded to, and the lower end is fixedly welded at the lower end of the guide post 121, when the upper forming die 221 is pressed down on the lower forming die 112, the upper forming die is firstly pressed on the return spring 122, the return spring 122 buffers the pressure, the lower forming die 112 is prevented from being damaged by the overlarge pressure, and the effect of force-releasing buffering is achieved.

Referring to fig. 5, the upper mold mechanism 2 is provided with a first connecting plate 21 and an upper module 22, the upper module 22 is fixedly welded on the upper end surface of the first connecting plate 21 to form an integral upper mold mechanism 2, the first connecting plate 21 is provided with a through hole 211 and a connecting block 212, the through hole 211 is arranged at the four corners of the first connecting plate 21, the guide post 121 passes through the first connecting plate 21 through the through hole 211, the connecting block 212 is fixedly welded on the lower end surface of the first connecting plate 21 and is connected with the telescopic end of the hydraulic cylinder, the upper module 22 is provided with an upper forming mold 221, a second semi-cylindrical groove 222 and positioning insertion edges 223, the second semi-cylindrical grooves 222 are arranged in four groups, and the second semi-cylindrical grooves 222 of the four groups are arranged on the upper end surface of the upper forming mold 221, the first semi-cylindrical grooves of the four groups are arranged on the upper end surface of the lower forming mold 112, and the second semi-cylindrical grooves 222 of the four groups are arranged on the upper end surface of the upper forming mold 221, after the die is closed, four groups of ceramic core rods can be completed, the multi-die forming structure improves the production efficiency, the positioning insertion strip edges 223 are fixedly arranged on the edge of the upper end face of the upper forming die 221 and are matched with the positioning insertion groove 1122, the positioning insertion groove 1122 is formed in the edge of the upper end face of the lower forming die 112, the positioning insertion strip edges 223 are formed in the edge of the upper end face of the upper forming die 221, the positioning insertion strip edges 223 are matched with the positioning insertion groove 1122, when the upper forming die 221 is pressed down onto the lower forming die 112, the positioning insertion strip edges 223 are inserted into the positioning insertion groove 1122, the positioning effect is improved, the die is closed more firmly, and the sealing performance is improved.

In summary, the following steps: the utility model provides a be used for fashioned mould of ceramic core, including lower mould mechanism 1 and upper mould mechanism 2, upper mould mechanism 2 movable mounting is on lower mould mechanism 1, and be connected with the flexible end of pneumatic cylinder, through fixed welding guide pillar 121 on second connecting plate 111 of lower module piece 11, and set up through hole 211 in the four corners department of first connecting plate 21, and guide pillar 121 runs through first connecting plate 21 through hole 211, when making upper forming die 221 and lower forming die 112 carry out the compound die, that is enough more accurate location, can not skew, guarantee the shaping effect; by arranging the positioning insertion groove 1122 on the edge of the upper end face of the lower forming die 112, arranging the positioning insertion strip side 223 on the edge of the upper end face of the upper forming die 221, and matching the positioning insertion strip side 223 with the positioning insertion groove 1122, when the upper forming die 221 is pressed down onto the lower forming die 112, the positioning insertion strip side 223 is inserted into the positioning insertion groove 1122, so that the positioning effect is improved, the die assembly is firmer, and the sealing performance is improved; by arranging the four groups of first semi-cylindrical grooves 1121 on the upper end surface of the lower forming die 112 and the four groups of second semi-cylindrical grooves 222 on the upper end surface of the upper forming die 221, after die assembly is carried out, four groups of ceramic core rods can be completed, and the multi-die forming structure improves the production efficiency; through with reset spring 122 suit on guide pillar 121, and the lower extreme fixed welding is at the lower extreme of guide pillar 121, when last moulded die 221 pushed down on lower moulding die 112, on pushing down reset spring 122 earlier, reset spring 122 cushions pressure, prevents that too big pressure from damaging lower moulding die 112 pressure, plays the effect of the buffering of unloading power.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for fashioned mould of ceramic core, includes lower mould mechanism (1) and last mould mechanism (2), last mould mechanism (2) movable mounting is on lower mould mechanism (1) to be connected its characterized in that with the flexible end of pneumatic cylinder: the lower die mechanism (1) is provided with a lower die block piece (11) and a positioning guide pillar assembly (12), the positioning guide pillar assembly (12) is fixedly welded at the four corners of the lower die block piece (11) to form the whole lower die mechanism (1), and the positioning guide pillar assembly (12) is movably mounted on the upper die mechanism (2);

the upper die mechanism (2) is provided with a first connecting plate (21) and an upper module piece (22), and the upper module piece (22) is fixedly welded on the upper end face of the first connecting plate (21) to form the whole upper die mechanism (2).

2. A mold for ceramic core forming as claimed in claim 1, wherein: the lower module piece (11) is provided with a second connecting plate (111) and a lower forming die (112), and the lower forming die (112) is fixedly welded on the second connecting plate (111) to form the whole lower module piece (11).

3. A mold for ceramic core forming as claimed in claim 2, wherein: the lower forming die (112) is provided with four groups of first semi-cylindrical grooves (1121) and positioning insertion grooves (1122), the four groups of first semi-cylindrical grooves (1121) are formed in the upper end face of the lower forming die (112), and the positioning insertion grooves (1122) are formed in the edge of the upper end face of the lower forming die (112).

4. A mold for ceramic core forming as claimed in claim 1, wherein: the positioning guide post assembly (12) comprises a guide post (121) and a return spring (122), the lower end of the guide post (121) is fixedly welded at the four corners of the second connecting plate (111), the return spring (122) is sleeved on the guide post (121), and the lower end of the return spring is fixedly welded at the lower end of the guide post (121).

5. The mold for ceramic core molding as claimed in claim 4, wherein: the guide post (121) is provided with a lower welding reinforcing sheet (1211) and a limiting block (1212), the lower welding reinforcing sheet (1211) is fixedly welded at the lower end of the guide post (121) and is fixedly welded on the second connecting plate (111), and the limiting block (1212) is fixedly welded at the upper end of the guide post (121).

6. The mold for ceramic core molding as claimed in claim 4, wherein: the return spring (122) is provided with a lantern ring (1221), the lantern ring (1221) is fixedly welded at the upper end of the return spring (122), and the lower end of the return spring (122) is fixedly welded on the lower welding reinforcing sheet (1211).

7. A mold for ceramic core forming as claimed in claim 1, wherein: the first connecting plate (21) is provided with a through hole (211) and a connecting block (212), the through hole (211) is formed in the four corners of the first connecting plate (21), the guide pillar (121) penetrates through the first connecting plate (21) through the through hole (211), and the connecting block (212) is fixedly welded on the lower end face of the first connecting plate (21) and is connected with the telescopic end of the hydraulic cylinder.

8. A mold for ceramic core forming as claimed in claim 1, wherein: the upper module piece (22) is provided with an upper forming die (221), four groups of second semi-cylindrical grooves (222) and four positioning insertion edges (223), the four groups of second semi-cylindrical grooves (222) are formed in the upper end face of the upper forming die (221), and the positioning insertion edges (223) are fixedly arranged on the edge of the upper end face of the upper forming die (221) and matched with the positioning insertion grooves (1122).