CN215786555U

CN215786555U - Sand core mold for bidirectional sand shooting molding

Info

Publication number: CN215786555U
Application number: CN202121561151.6U
Authority: CN
Inventors: 李克栋
Original assignee: Shandong Haofang United Casting Co ltd
Current assignee: Shandong Haofang United Casting Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-11
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a sand core mould for bidirectional sand shooting forming, which comprises a sand core mould body, wherein the sand core mould body comprises an upper mould plate and a lower mould plate, the upper mould plate is provided with a first forming groove and a second forming groove, the upper mould plate is provided with a first sand shooting groove at one side of the first forming groove, the upper mould plate is provided with a second sand shooting groove at one side of the second forming groove, two sides of the top of the upper mould plate are connected with first connecting columns, the other side of the first connecting columns is fixedly connected with first fixed side plates, the first fixed side plates at two sides are connected with first bearing plates, the first bearing plates are connected with first fire spraying plates, the lower mould plate is provided with a third forming groove and a fourth forming groove, the lower mould plate is provided with a third sand shooting groove at one side of the third forming groove, the fourth sand shooting groove is communicated with the fourth forming groove, two sides of the bottom of the lower mould plate are connected with second connecting columns, the other side of the second connecting columns is fixedly connected with second fixed side plates, the fixed curb plate of both sides second is connected with the second carrier plate, and the second carrier plate is connected with the second flame board.

Description

Sand core mold for bidirectional sand shooting molding

Technical Field

The utility model belongs to the technical field of sand core molds, and particularly relates to a sand core mold for bidirectional sand shooting molding.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. It is a tool for making blank into product with specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. The part is taken out when the sand core mould is separated, and the blank is injected into the mould cavity for forming when the sand core mould is closed, but the space of the sand core mould cannot be utilized to the maximum extent in the production and processing of the existing sand core mould, so that the manufacturing cost of the mould is improved, and the existing sand core mould usually adopts unidirectional sand shooting, so that the production of two or more types of sand cores cannot be realized simultaneously, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the problems raised by the above background art, the present invention is directed to: aims to provide a sand core mould for bidirectional sand shooting molding.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

a sand core mould for bidirectional sand shooting forming comprises a sand core mould main body, wherein the sand core mould main body comprises an upper mould plate and a lower mould plate, the upper mould plate is provided with a first forming groove and a second forming groove, the upper mould plate is provided with a first sand shooting groove at one side of the first forming groove, the first sand shooting groove is communicated with the first forming groove, the upper mould plate is provided with a second sand shooting groove at one side of the second forming groove, the second sand shooting groove is communicated with the second forming groove, two sides of the top of the upper mould plate are connected with first connecting columns, the other side of each first connecting column is fixedly connected with a first fixed side plate, the first fixed side plates at two sides are connected with first bearing plates, each first bearing plate is connected with a first flame-jet plate, each first flame-jet plate is provided with a first fuel gas flow channel, one side of each first fuel gas channel is connected with a first fuel gas inlet, the output end of each first fuel gas flow channel is connected with a plurality of first flame-jet nozzles, the lower template is provided with a third forming groove and a fourth forming groove, a third sand shooting groove is formed in one side of the third forming groove and communicated with the third forming groove, a fourth sand shooting groove is formed in one side of the fourth forming groove and communicated with the fourth forming groove, two sides of the bottom of the lower template are connected with second connecting columns, the other side of each second connecting column is fixedly connected with a second fixed side plate, the second fixed side plates on the two sides are connected with second bearing plates, the second bearing plates are connected with second flame spraying plates, the second flame spraying plates are provided with second fuel gas flow channels, one sides of the second fuel gas flow channels are connected with second fuel gas inlets, and output ends of the second fuel gas flow channels are connected with a plurality of second flame spraying nozzles.

And further limiting, the first forming groove and the third forming groove are matched to form a complete first forming cavity, the second forming groove and the fourth forming groove are matched to form a complete second forming cavity, and the first forming cavity and the second forming cavity can be formed sand cores of the same type or different types. Such a structural design leads to an increase in the efficiency of production.

Further limiting, the first sand shooting groove and the third sand shooting groove are matched to form a first sand shooting opening, the second sand shooting groove and the fourth sand shooting groove are matched to form a second sand shooting opening, and the first sand shooting opening and the second sand shooting opening can be in the same structural shape or different structural shapes. Such a structural design enables bidirectional filling.

Further inject, one side of first fixed curb plate and the fixed curb plate of second is equipped with the breach groove, the breach groove is the setting of chevron structure. The structural design facilitates installation and fixation.

Further limiting, an insert groove is formed in the third forming groove, a replacement insert is installed in the insert groove and comprises a first insert and a second insert, and the forming structures of the first insert and the second insert are different. The structure design enables the product to form different structures by replacing the insert.

The utility model has the beneficial effects that:

1. according to the utility model, the two molding grooves are formed in the upper template and the lower template, so that the space of the sand core mold is utilized to the maximum extent, the layout of a plurality of sand cores is realized in a limited space, and the manufacturing cost of the mold is reduced;

2. according to the utility model, two sand shooting ports are arranged, so that bidirectional sand shooting is realized by overturning during molding, and production of two or more types of sand cores is realized simultaneously.

Drawings

The utility model is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of a sand core mold for bi-directional sand shooting molding according to an embodiment of the present invention;

FIG. 2 is a schematic view of an upper mold plate structure of a sand core mold for bi-directional sand shooting molding according to an embodiment of the present invention

FIG. 3 is a schematic view of the lower template structure of a sand core mold for bi-directional sand shooting molding according to an embodiment of the present invention

FIG. 4 is a schematic structural view of a sand core mold for bi-directional sand shooting molding according to an embodiment of the present invention

FIG. 5 is a schematic structural view of a sand core mold for bi-directional sand shooting molding according to an embodiment of the present invention

The main element symbols are as follows:

the sand core mould comprises a sand core mould body 1, an upper mould plate 2, a lower mould plate 3, a first forming groove 4, a second forming groove 5, a first sand shooting groove 6, a second sand shooting groove 7, a first connecting column 8, a first fixed side plate 9, a first bearing plate 10, a first fire spraying plate 11, a first gas inlet 12, a first fire spraying nozzle 13, a third forming groove 14, a fourth forming groove 15, a third sand shooting groove 16, a fourth sand shooting groove 17, a second connecting column 18, a second fixed side plate 19, a second bearing plate 20, a second fire spraying plate 21, a second gas inlet 22, a second fire spraying nozzle 23, a notch groove 24, an insert groove 25, a first insert 26 and a second insert 27.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-5, a sand core mold for two-way sand injection molding according to the present invention includes an upper mold plate 2 and a lower mold plate 3, the upper mold plate 2 has a first molding groove 4 and a second molding groove 5, the upper mold plate 2 has a first sand injection groove 6 at one side of the first molding groove 4, the first sand injection groove 6 is communicated with the first molding groove 4, the upper mold plate 2 has a second sand injection groove 7 at one side of the second molding groove 5, the second sand injection groove 7 is communicated with the second molding groove 5, two sides of the top of the upper mold plate 2 are connected with a first connecting column 8, the other side of the first connecting column 8 is fixedly connected with a first fixed side plate 9, the first fixed side plates 9 at two sides are connected with a first support plate 10, the first support plate 10 is connected with a first fire plate 11, the first fire plate 11 is provided with a first fuel gas flow channel, one side of the first fuel gas flow channel is connected with a first fuel gas inlet 12, the output end of the first fuel gas flow channel is connected with a plurality of first flame nozzles 13, the lower template 3 is provided with a third forming groove 14 and a fourth forming groove 15, the lower template 3 is provided with a third sand shooting groove 16 at one side of the third forming groove 14, the third sand shooting groove 16 is communicated with the third forming groove 14, the lower template 3 is provided with a fourth sand shooting groove 17 at one side of the fourth forming groove 15, the fourth sand shooting groove 17 is communicated with the fourth forming groove 15, two sides of the bottom of the lower template 3 are connected with second connecting columns 18, the other side of each second connecting column 18 is fixedly connected with a second fixed side plate 19, the second fixed side plates 19 at two sides are connected with second bearing plates 20, the second bearing plates 20 are connected with second flame spray plates 21, the second flame spray plates 21 are provided with second fuel gas flow channels, one side of each second fuel gas flow channel is connected with a second fuel gas inlet 22, and the output end of each second fuel gas flow channel is connected with a plurality of second flame nozzles 23.

When in use, the sand core mould body 1 is arranged in a vertical parting sand core machine and is fixed, then a first sand shooting port consisting of a first sand shooting groove 6 and a third sand shooting groove 16 is used for shooting sand, so that a first molding cavity formed by combining a first molding groove 4 and a third molding groove 14 is filled and molded, after the sand shooting is finished, gas is input from a first gas inlet 12 and a second gas inlet 22, the gas flows in a first gas flow channel and a second gas flow channel and is sprayed out from a first flame nozzle 13 and a second flame nozzle 23, the gas sprayed out from the first flame nozzle 13 and the second flame nozzle 23 is ignited, so that the upper template 2 and the lower template 3 are heated and sintered, 180-degree overturning is carried out after 12 +/-2 s of sintering, the second sand shooting port consisting of the second sand shooting groove 7 and a fourth sand shooting groove 17 is used for shooting sand after overturning, so that a second molding cavity formed by combining the second molding groove 5 and a fourth molding groove 15 is started to be filled, and meanwhile, the flames sprayed by the first flame spray nozzle 13 and the second flame spray nozzle 23 are sintered, in the process of sintering a second molding cavity formed by the second molding groove 5 and the fourth molding groove 15, the first molding cavity formed by the combination of the first molding groove 4 and the third molding groove 14 is subjected to vibration sand removal, after the second molding cavity formed by the second molding groove 5 and the fourth molding groove 15 is sintered for 12 +/-2 s, the vertical sand core forming machine is turned over by 180 degrees, the second molding cavity formed by the second molding groove 5 and the fourth molding groove 15 is subjected to vibration sand removal, after the sand removal of the second molding cavity formed by the second molding groove 5 and the fourth molding groove 15 is finished, the first molding cavity and the second molding cavity enter the strengthened sintering for 10-20s, the sintering is finished, the mold is automatically opened, and the manufactured hollow sand core is taken out.

Preferably, the first forming groove 4 is matched with the third forming groove 14 to form a complete first forming cavity, the second forming groove 5 is matched with the fourth forming groove 15 to form a complete second forming cavity, and the first forming cavity and the second forming cavity can be formed sand cores of the same type or different types. Such a structural design leads to an increase in the efficiency of production.

Preferably, the first sand shooting groove 6 and the third sand shooting groove 16 are matched to form a first sand shooting opening, the second sand shooting groove 7 and the fourth sand shooting groove 17 are matched to form a second sand shooting opening, and the first sand shooting opening and the second sand shooting opening can be in the same structural shape or different structural shapes. Such a structural design enables bidirectional filling.

Preferably, a notch 24 is formed on one side of the first and second fixed

side plates

9 and 19, and the notch 24 is formed in a chevron shape. The structural design facilitates installation and fixation.

Preferably, the third molding groove 14 is provided with an insert groove 25, a replacement insert is installed in the insert groove 25, the replacement insert comprises a first insert 26 and a second insert 27, and the first insert 26 and the second insert 27 have different molding structures. The structure design enables the product to form different structures by replacing the insert.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a two-way fashioned psammitolite mould of shooting sand which characterized in that: the sand core mould comprises a sand core mould body (1), wherein the sand core mould body (1) comprises an upper mould plate (2) and a lower mould plate (3), the upper mould plate (2) is provided with a first forming groove (4) and a second forming groove (5), one side of the first forming groove (4) of the upper mould plate (2) is provided with a first sand shooting groove (6), the first sand shooting groove (6) is communicated with the first forming groove (4), one side of the second forming groove (5) of the upper mould plate (2) is provided with a second sand shooting groove (7), the second sand shooting groove (7) is communicated with the second forming groove (5), two sides of the top of the upper mould plate (2) are connected with first connecting columns (8), the other side of the first connecting columns (8) is fixedly connected with first fixed side plates (9), two sides of the first fixed side plates (9) are connected with first bearing plates (10), the first bearing plates (10) are connected with first fire spraying plates (11), the first flame board (11) is provided with a first gas flow channel, one side of the first gas flow channel is connected with a first gas inlet (12), the output end of the first gas flow channel is connected with a plurality of first flame nozzles (13), the lower template (3) is provided with a third forming groove (14) and a fourth forming groove (15), the lower template (3) is provided with a third sand shooting groove (16) at one side of the third forming groove (14), the third sand shooting groove (16) is communicated with the third forming groove (14), the lower template (3) is provided with a fourth sand shooting groove (17) at one side of the fourth forming groove (15), the fourth sand shooting groove (17) is communicated with the fourth forming groove (15), two sides of the bottom of the lower template (3) are connected with second connecting columns (18), the other side of the second connecting columns (18) is fixedly connected with second fixed side plates (19), and the second fixed side plates (19) at two sides are connected with second bearing plates (20), the second bearing plate (20) is connected with a second flame plate (21), the second flame plate (21) is provided with a second fuel flow channel, one side of the second fuel flow channel is connected with a second fuel inlet (22), and the output end of the second fuel flow channel is connected with a plurality of second flame nozzles (23).

2. The sand core mold for bi-directional sand shooting molding according to claim 1, wherein: the first forming groove (4) and the third forming groove (14) are matched to form a complete first forming cavity, the second forming groove (5) and the fourth forming groove (15) are matched to form a complete second forming cavity, and the first forming cavity and the second forming cavity can be formed sand cores of the same type or different types.

3. The sand core mold for bi-directional sand shooting molding according to claim 2, wherein: the first sand shooting groove (6) and the third sand shooting groove (16) are matched to form a first sand shooting opening, the second sand shooting groove (7) and the fourth sand shooting groove (17) are matched to form a second sand shooting opening, and the first sand shooting opening and the second sand shooting opening can be in the same structural shape or different structural shapes.

4. The sand core mold for bi-directional sand shooting molding according to claim 3, wherein: one side of the first fixed side plate (9) and one side of the second fixed side plate (19) are provided with notch grooves (24), and the notch grooves (24) are arranged in a structure in a shape of Chinese character 'shan'.

5. The sand core mold for bi-directional sand shooting molding according to claim 4, wherein: the third molding groove (14) is provided with an insert groove (25), a replacement insert is installed in the insert groove (25), the replacement insert comprises a first insert (26) and a second insert (27), and the molding structures of the first insert (26) and the second insert (27) are different.