CN219130682U

CN219130682U - Sand mould and sand mould casting module

Info

Publication number: CN219130682U
Application number: CN202223025644.5U
Authority: CN
Inventors: 董勇; 陈凡; 董大鹏
Original assignee: Ningguo Kebor Intelligent Machine Tool Co ltd
Current assignee: Ningguo Kebor Intelligent Machine Tool Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-06-06
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a sand mould and a sand mould casting mould set, which relate to the technical field of precoated sand casting moulds and comprise two groups of half moulds of the same type, wherein a first cavity part and a second cavity part are arranged in each half mould, when the two groups of half moulds are matched, the first cavity part on one group of half moulds is correspondingly matched with the second cavity part on the other group of half moulds to form two groups of cavities of the same type, so that two groups of castings can be cast simultaneously, the two identical half moulds are increased in replaceability, more practical and economical, and the two groups of half moulds are respectively provided with a first connecting part and a second connecting part, so that two adjacent sand moulds can be mutually connected, thereby forming the sand mould casting mould set, and further improving the casting efficiency.

Description

Sand mould and sand mould casting module

Technical Field

The utility model relates to the technical field of precoated sand casting molds, in particular to a sand mold and a sand mold casting module.

Background

Sand casting refers to a casting process that produces castings in sand molds. Because the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and is suitable for single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time.

In the sand casting process, a set of sand mould has at least an upper mould and a lower mould, and in general, the upper mould and the lower mould can only cast and form one surface of a casting respectively, so that the structures of the upper mould and the lower mould are different and cannot be used generally, the casting efficiency is limited to a certain extent, and a set of sand mould can only cast and form a set of castings at a time, and the influence on the casting efficiency is obvious.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a sand mould.

The sand mould comprises two groups of half moulds of the same type, wherein a first cavity part and a second cavity part are arranged in the half moulds, and when the two groups of half moulds are clamped, the first cavity part on one group of half moulds is correspondingly matched with the second cavity part on the other group of half moulds to form two groups of cavities of the same type.

As a further optimization of the scheme, the blocking parts are arranged in the half molds, the blocking parts are provided with first channels and second channels which are arranged in the horizontal direction and are parallel to each other, when the two groups of half molds are assembled, the blocking parts on the two groups of half molds are mutually abutted to separate the two groups of cavities, the first channels on the two groups of half molds are matched to form a first runner, the second channels are matched to form a second runner, and the first runner and the second runner are communicated with the two groups of cavities.

As a further optimization of the scheme, a third channel is formed in one side of the half mould and is used for being matched with a riser when two groups of half moulds are clamped, the riser is connected with the second pouring channel, and the axial direction of the riser is perpendicular to the axial direction of the second pouring channel.

As a further optimization of the above scheme, the first channel is provided with a through hole, when the two sets of half molds are assembled, the through holes on the two sets of half molds are positioned on the same axis, and the axial direction of the through holes is perpendicular to the axial direction of the first pouring gate.

As a further optimization of the scheme, the through hole and the riser are respectively positioned on different sides of the sand mould, the axial direction of the riser is perpendicular to the axial direction of the through hole, and the position of the riser is higher than that of the through hole.

As a further optimization of the scheme, the blocking part is provided with the convex edges and the clamping grooves, and when two groups of half molds are clamped, the convex edges on one group of half molds are correspondingly embedded into the clamping grooves on the other group of half molds.

As a further optimization of the scheme, the first cavity part of the half mould is provided with a sand column, and the second cavity part is provided with a counter bore which can be matched with the end part of the sand column to be embedded

The utility model provides a sand mould casting module, includes a plurality of sand moulds, is provided with first connecting portion on one of them group's half moulds of sand mould, is provided with the second connecting portion on another group's half mould, and first connecting portion, second connecting portion all locate the half mould outside and communicate the through-hole, and first connecting portion can cooperate with the second connecting portion and be used for linking two adjacent sand moulds.

As the further optimization of above-mentioned scheme, still include the notes material pipe, the notes material pipe is fill form and notes material pipe bottom is provided with two joints about its axial symmetry, and sand mould symmetric distribution is in the both sides of notes material pipe and a plurality of sand mould head and the tail of each side link up in proper order, and be close to the first connecting portion on the sand mould of notes material pipe one side and connect the cooperation with notes material pipe and be connected.

1. The sand mould provided by the utility model is composed of two groups of half moulds of the same type, so that the sand mould has stronger replaceability in use, and the practicability and economy of the sand mould are greatly improved.

2. According to the sand mould provided by the utility model, two identical cavities can be formed when two groups of half moulds are matched, so that two groups of identical castings can be simultaneously cast, and the casting efficiency is improved to a certain extent.

3. According to the sand mould provided by the utility model, the matching tightness of the two groups of half moulds is improved through the matching of the sand column and the counter bore, and a through hole structure required by a casting can be formed.

4. The sand casting module provided by the utility model can simultaneously finish casting work of a plurality of sand moulds, and further improves casting efficiency.

Drawings

FIG. 1 is a schematic diagram of a half mold structure of a sand mold according to the present utility model;

FIG. 2 is a schematic diagram of a first angle of clamping of a sand mold according to the present utility model;

FIG. 3 is a schematic diagram showing a second angle of clamping of a sand mold according to the present utility model;

FIG. 4 is a schematic diagram of the connection relationship of a sand casting module set according to the present utility model;

fig. 5 is a schematic structural view of a sand mold at the end of a sand casting mold set according to the present utility model.

Detailed Description

As shown in fig. 2, the sand mold proposed in this embodiment includes two sets of mold halves 1 of the same type.

The structure of the half mold 1 is shown in fig. 1, a first cavity part 2 and a second cavity part 3 are arranged in the half mold 1, and when two groups of half molds 1 are clamped, the first cavity part 2 on one group of half molds 1 correspondingly cooperates with the second cavity part 3 on the other group of half molds 1 to form two groups of cavities of the same type, and the two cavities are used as casting cavities of castings, so that two identical castings can be cast simultaneously.

Further, different structural designs can be made to the first cavity part 2, the second cavity part 3, namely the first cavity part 2, the second cavity part 3 are taken as two working faces, two different faces of a casting can be cast and formed respectively, when the casting has the requirement of reserving a through hole, a sand column can be arranged on the working face of the first cavity part 2, a counter bore which can be matched with the end part of the sand column is arranged on the working face of the second cavity part 3, when two groups of half molds are assembled, the cooperation of the sand column and the counter bore not only improves the degree of tightness of the cooperation of the two groups of half molds, but also can form a through hole structure required by the casting.

The mold halves 1 are internally provided with blocking parts 4, when the two sets of mold halves 1 are assembled, the blocking parts 4 on the two sets of mold halves 1 are mutually abutted to separate two sets of cavities, in order to further improve the fit degree of the two mold halves 1 during the assembly, the blocking parts 4 are provided with convex edges 9 and clamping grooves 10, and when the two sets of mold halves 1 are assembled, the convex edges 9 on one set of mold halves 1 can be correspondingly embedded in the clamping grooves 10 on the other set of mold halves 1.

In addition, the blocking part 4 is provided with a first channel 5 and a second channel 6 which are arranged in the horizontal direction and are parallel to each other, when the two groups of half molds 1 are assembled, the first channel 5 is matched to form a first pouring channel, the second channel 6 is matched to form a second pouring channel, the first pouring channel and the second pouring channel are communicated with the two groups of cavities, the first pouring channel is used as a molten steel inlet channel at the bottom, and the second pouring channel is used as an outflow channel after molten steel fills the cavities at the top.

To realize the functions of the first runner and the second runner, the first channel 5 needs to be provided with a through hole 8, the axial direction of the through hole 8 is perpendicular to the axial direction of the first runner, and the through hole 8 is used as a gate.

And, be equipped with third channel 7 in half mould 1 one side and be used for forming the rising head in the cooperation when two sets of half mould 1 compound die, rising head connect the second runner and rising head axial and second runner axial are perpendicular, more specifically, through-hole 8 and rising head are located the different sides of sand mould respectively, rising head axial and through-hole 8 axial are perpendicular and rising head position is higher than through-hole 8, and the compound die state of sand mould can refer to fig. 2, 3.

In order to realize connection of a plurality of sand molds, a first connecting portion 11 is disposed on one set of mold halves 1 of the sand molds, a second connecting portion 12 is disposed on the other set of mold halves 1, the first connecting portion 11 and the second connecting portion 12 are sand molds, are disposed outside the mold halves 1 and are communicated with the through holes 8, and the first connecting portion 11 can be matched with the second connecting portion 12 to connect two adjacent sand molds, refer to fig. 2 to 4.

The injection pipe 13 is bucket-shaped, two connectors 1301 are symmetrically arranged at the bottom end of the injection pipe 13 in relation to the axial direction of the injection pipe 13, the sand mould is symmetrically distributed on two sides of the injection pipe 13 and a plurality of sand moulds on each side are sequentially connected end to end, and a first connecting part 11 on the sand mould close to one side of the injection pipe 13 can be matched and connected with the connectors 1301 of the injection pipe 13, and the arrangement mode is described with reference to fig. 4.

It should be noted that, in theory, the sand molds can be connected infinitely, but due to the limitation of the amount of water for casting steel at one time, the number of sand molds connected in series needs to be determined according to the actual situation, and in order to ensure that the casting work is performed smoothly, the through hole 8 of one of the half molds 1 needs to be plugged on the last sand mold, so that molten steel can only overflow from the riser in the last sand mold, and the structure of the part of sand mold can be referred to as fig. 5.

The sand mould that this embodiment provided can cast two sets of the same foundry goods simultaneously, has promoted casting efficiency to two sets of half 1 of same type can replace each other, make its practicality further promote, and the sand mould casting module of constituteing by a plurality of sand moulds as the basis has further promoted the casting efficiency of foundry goods.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The sand mould is characterized by comprising two groups of half moulds (1) of the same type, wherein a first cavity part (2) and a second cavity part (3) are arranged in each half mould (1), and when the two groups of half moulds (1) are clamped, the first cavity part (2) on one group of half moulds (1) is correspondingly matched with the second cavity part (3) on the other group of half moulds (1) so as to form two groups of cavities of the same type.

2. A sand mould according to claim 1, characterized in that the blocking part (4) is arranged in the half mould (1), the blocking part (4) is provided with a first channel (5) and a second channel (6) which are arranged in a horizontal direction and are parallel to each other, when the two half mould sets (1) are clamped, the blocking parts (4) on the two half mould sets (1) are mutually abutted to separate two mould cavities, the first channels (5) on the two half mould sets (1) are matched to form a first runner, the second channels (6) are matched to form a second runner, and the first runner and the second runner are communicated with the two mould cavities.

3. A sand mould according to claim 2, characterized in that a third channel (7) is provided in one side of the mould halves (1) for forming a riser in cooperation when the mould halves (1) of the two sets are clamped, said riser being connected to the second runner and the riser being axially perpendicular to the second runner.

4. A sand mould according to claim 3, characterized in that the first channel (5) is provided with through holes (8), and when the mould halves (1) are clamped, the through holes (8) of the mould halves (1) of the two groups are located on the same axis and the through holes (8) are axially perpendicular to the first runner axis.

5. Sand mould according to claim 4, characterized in that the through-hole (8) and the riser are located on different sides of the sand mould, respectively, the riser axis is axially perpendicular to the through-hole (8) and the riser is located higher than the through-hole (8).

6. Sand mould according to claim 5, characterized in that the blocking part (4) is provided with ribs (9) and clamping grooves (10), and when the two half mould sets (1) are clamped, the ribs (9) on one half mould set (1) are correspondingly embedded in the clamping grooves (10) on the other half mould set (1).

7. A sand mould according to claim 6, characterized in that the first cavity part (2) of the mould half (1) is provided with a sand column and the second cavity part (3) is provided with a counter bore into which an end of the sand column is fittable.

8. Sand casting mould set, including a plurality of sand moulds according to claim 7, characterized in that, be provided with first connecting portion (11) on one of them group half mould (1) of sand mould, be provided with second connecting portion (12) on another group half mould (1), first connecting portion (11), second connecting portion (12) all locate half mould (1) outside and intercommunication through-hole (8), and first connecting portion (11) can be used for linking two adjacent sand moulds with second connecting portion (12) cooperation.

9. The sand casting module according to claim 8, further comprising a filling pipe (13), wherein the filling pipe (13) is shaped like a bucket, two connectors (1301) are symmetrically arranged at the bottom end of the filling pipe (13) with respect to the axial direction of the filling pipe, the sand molds are symmetrically distributed at two sides of the filling pipe (13) and a plurality of sand molds at each side are sequentially connected end to end, and a first connecting part (11) on the sand mold close to one side of the filling pipe (13) can be matched and connected with the connectors (1301) of the filling pipe (13).