CN215966173U

CN215966173U - Foundry sand mold molding machine

Info

Publication number: CN215966173U
Application number: CN202122210264.8U
Authority: CN
Inventors: 吕甩嫩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-08
Anticipated expiration: 2031-09-13

Abstract

A founding sand mould molding machine is characterized by comprising a support, a base, a bracket and an upper mould, wherein the base can be rotatably arranged on the support, the upper end surface of the base is provided with a lower mould, and the lower mould is provided with a cavity; the bracket can be detachably arranged on the base and arranged around the lower die, after molding and demolding, the sand core is arranged on the bracket and separated from the lower die, the upper die can be arranged on the lower die in an opening and closing mode and is provided with a sand injection hole, the upper die is internally provided with a heating pipe and a liftable core, and the core is matched with the cavity of the lower die to form a cavity mold of the sand mold. Compared with the prior art, the utility model has the advantages that: through the overturning design of the base, the casting sand can be completely covered in the cavity, no dead angle exists, and the manufactured sand core is uniform in density.

Description

Foundry sand mold molding machine

Technical Field

The utility model relates to a device for manufacturing a foundry sand mold, wherein the sand mold can be used for casting a film on a product.

Background

Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time. The quality of the sand mold directly influences the quality of the product. The sand mold has higher requirements on strength, air permeability and uniformity. At present, the flat sand core has the defects of poor uniformity, dense parts and sparse parts after being manufactured, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a foundry sand mold molding machine with good uniformity after sand core manufacturing aiming at the technical current situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a foundry sand molding machine is characterized by comprising

A support;

the base can be rotatably arranged on the support, a lower die is formed on the upper end surface of the base, and a cavity is formed on the lower die;

a bracket detachably disposed on the base and arranged around the lower mold, the sand core being disposed on the bracket to be separated from the lower mold after molding and demolding, and

the upper die is arranged on the lower die in an opening and closing mode and provided with a sand injection hole, a heating pipe and a liftable core are arranged in the upper die, and the core is matched with a cavity of the lower die to form a cavity model of the sand mold.

One end of the upper die and the base can be connected in a turnover mode and extend outwards to form a bearing block, and the other end of the upper die extends to form a handle.

Furthermore, the base both ends have the pivot, correspondingly, have the shaft hole that supplies the pivot setting on the base.

The lifting of the core can be realized by the following manual operation structure: the upper die is provided with a through hole, a positioning sleeve is arranged around the outer side of the through hole, the positioning sleeve is provided with a first horizontal groove at a low position, a second horizontal groove at a high position and a longitudinal connecting groove used for communicating the first horizontal groove and the second horizontal groove, the side wall of the core extends to form a positioning column, the positioning column is positioned in the first horizontal groove during sand casting modeling, and the positioning column is positioned in the second horizontal groove after passing through the longitudinal connecting groove during demoulding.

For the convenience of operation, the outer end of the core is provided with a handle capable of lifting the core.

Of course, the cores may also be automatically controlled, as follows: the upper die is provided with an air pump, and the power output end of the air pump is provided with the mold core.

Compared with the prior art, the utility model has the advantages that: through the overturning design of the base, the casting sand can be completely covered in the cavity, no dead angle exists, and the manufactured sand core is uniform in density.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged view of the core of fig. 2.

Fig. 4 is an enlarged view of the alignment sleeve of fig. 2.

FIG. 5 is a schematic view of a part of the structure of embodiment 2.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Embodiment 1, as shown in fig. 1 and 2, a foundry sand molding machine according to the present embodiment includes a support 1, a base 2, a bracket 3, and an upper mold 4, the base 2 is rotatably provided on the support 1, a handle 23 is provided on one side of the base 2, specifically, a shaft pin 22 is provided on both ends of the base 2, and correspondingly, a shaft hole for the shaft pin is provided on the support 1. A lower die 21 is formed on the upper end surface of the base 2, and a cavity is formed in the lower die 21.

The bracket 3 is detachably placed on the base 2 and arranged around the lower mold 21, and after the molding and the demolding, the sand core is placed on the bracket 3 and separated from the lower mold 21.

The upper die 4 is arranged on the lower die 21 in an openable and closable manner and is provided with a sand injection hole 41, a heating pipe 45 and a liftable core 5 are arranged in the upper die 4, and the core 5 is matched with a cavity of the lower die 21 to form a cavity model of a sand mold. One end of the upper die 4 is connected with the base 2 in a turnover way and extends outwards to form a bearing block 43, and the other end of the upper die extends to form a handle 42.

Referring to fig. 3 and 4, in the present embodiment, a through hole is formed in the upper mold 4, a positioning sleeve 44 is disposed around the through hole, the positioning sleeve 44 has a lower first horizontal groove 4a, a higher second horizontal groove 4b, and a longitudinal connecting groove 4c for communicating the first horizontal groove 4a with the second horizontal groove 4b, a positioning post 52 extends from a sidewall of the mold core 5, the positioning post 52 is located in the first horizontal groove 4a during the sand casting, and the positioning post 52 is located in the second horizontal groove 4b after passing through the longitudinal connecting groove 4c during the demolding. The outer end of the core 5 is provided with a handle 51 which can lift the core 5. The lifting of the core 5 in this embodiment is done manually.

The preparation process comprises the following steps:

placing the base level, covering the mould, the reference column of core is located first horizontal groove, annotates sand to annotating the sand hole, and heating pipe work simultaneously holds handle upset base behind the notes sand, makes the whole die cavity of casting sand cover, annotates the sand back that finishes, and the base level is placed, and the psammitolite is stereotyped the back, and with portable core, messenger's reference column is located second horizontal groove, pulls the handle, opens the mould, takes out the bracket, and the psammitolite after the design has just been located the bracket naturally.

Embodiment 2, as shown in fig. 5, the upper mold 4 in this embodiment is provided with an air pump 6, and the power output end of the air pump 6 is provided with a core 5. The method is realized by adopting automatic control.

Claims

1. A foundry sand molding machine is characterized by comprising

A support (1);

a base (2) rotatably provided on the support (1), the upper end surface of which is formed with a lower die (21), the lower die (21) being formed with a cavity;

a bracket (3) detachably disposed on the base (2) and arranged around the lower mold (21), the sand core being placed on the bracket (3) to be separated from the lower mold (21) after the molding and the demolding, and

the upper die (4) is arranged on the lower die (21) in an opening and closing mode and is provided with a sand injection hole (41), a heating pipe (45) and a core (5) capable of lifting are arranged in the upper die (4), and the core (5) is matched with a cavity of the lower die (21) to form a cavity model of a sand mold.

2. A foundry sand moulding machine according to claim 1, characterized in that said upper mould (4) is turnably connected to the base (2) at one end and extends outwardly with a bearing block (43) and a handle (42) at the other end.

3. A foundry sand moulding machine according to claim 1, characterized in that the base (2) is provided with a pin (22) at both ends, and correspondingly the base (2) is provided with a shaft hole for the pin to be arranged.

4. A foundry sand molding machine according to claim 1, characterized in that the upper mold (4) is provided with a through hole, a positioning sleeve (44) is provided around the outside of the through hole, the positioning sleeve (44) is provided with a first horizontal groove (4a) at a low position, a second horizontal groove (4b) at a high position, and a longitudinal connecting groove (4c) for communicating the first horizontal groove (4a) and the second horizontal groove (4b), a positioning post (52) extends from a sidewall of the core (5), the positioning post (52) is located in the first horizontal groove (4a) during the foundry molding, and the positioning post (52) is located in the second horizontal groove (4b) after passing through the longitudinal connecting groove (4c) during the demolding.

5. A foundry sand moulding machine according to claim 4, characterized in that the outer end of the core (5) is provided with a handle (51) capable of lifting the core (5).

6. A foundry sand moulding machine according to claim 1, characterized in that the upper mould (4) is provided with an air pump (6), the power take-off of which air pump (6) is provided with the core (5).