CN212469646U

CN212469646U - Mould for sand casting

Info

Publication number: CN212469646U
Application number: CN202020313295.9U
Authority: CN
Inventors: 安红
Original assignee: Shenyang Beixinte Foundry Industry Co ltd
Current assignee: Shenyang Beixinte Foundry Industry Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-02-05
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a mould for sand casting, mould, casting lower mould and coupling assembling in the casting, mould and set up the first last mould body of pouring the mouth and the second is pour including the surface including the casting, upward be provided with the shaping chamber on the mould body, go up the fixed fin that is provided with a plurality of parallels of mould body upper surface still, a plurality of connect the via hole have been seted up on the fin, the casting lower mould is provided with the cavity, cavity size shape pairs the setting with the shaping chamber, coupling assembling connects the casting and goes up mould and casting lower mould, it still is provided with a plurality of fixed orificess to go up mould body surface, the fixed orifices sets up all around at the shaping chamber, lower mould body surface corresponds fixedly with the fixed orifices position and is provided with a plurality of fixed stop gear, fixed stop gear passes the fixed orifices, the.

Description

Mould for sand casting

Technical Field

The utility model relates to a metal casting technical field especially involves a mould for sand casting.

Background

The motor metal casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and cleaning to obtain a casting with a preset shape, size and performance. The casting blank is nearly formed, so that the purposes of no machining or little machining are achieved, the cost is reduced, and the time is reduced to a certain extent. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the method is suitable for single-piece production, batch production and mass production of castings.

At sand casting's in-process, the mould is crucial, but present die holding is comparatively loaded down with dismantlement, and can not carry out fine cooling to the foundry goods, for this reason, the utility model discloses a mould for sand casting compares in prior art, the utility model discloses conveniently install and dismantle, and the cooling effect is good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a mould for sand casting to mould installation and dismantlement are comparatively loaded down with trivial details in solving prior art, and can not carry out fine refrigerated technical problem to the foundry goods, compare in prior art, the utility model discloses conveniently install and dismantle, and the cooling effect is good.

The utility model discloses a realize through following technical scheme: the utility model discloses a mould for sand casting, mould, casting lower mould and coupling assembling including the casting, mould and set up the first last mould body of pouring the mouth and the second is pour including the surface including the casting, upward be provided with the shaping chamber on the mould body, go up the fixed fin that is provided with a plurality of parallels in mould body upper surface still, seted up a plurality of connect the through-hole on the fin, the casting lower mould is including the lower mould body that is provided with the cavity, and cavity size shape pairs the setting with the shaping chamber, and coupling assembling connects the casting and goes up mould and casting lower mould.

During the use, at first installation part psammitolite in the cavity, the psammitolite fixed mounting who will lack is good, uses linkage valence to install mould and casting lower mould in the casting, after having installed, pours a mouthful to the psammitolite internal pouring metal liquid through first pouring mouth and second, and this kind of setting up of two pouring mouths can make high temperature metal liquid can fill up the psammitolite more quickly, has improved the production efficiency of foundry goods, and to the fin, it is right to start the fan the utility model discloses it carries out better heat dissipation with its inside metal casting.

Preferably, for the installation of convenient mould body and lower mould body, go up mould body surface and still be provided with a plurality of fixed orificess, the fixed orifices sets up all around at the shaping chamber, lower mould body surface corresponds fixedly with the fixed orifices position and is provided with a plurality of fixed stop gear, and fixed stop gear passes the fixed orifices, passes the fixed orifices with stop gear, can be quick confirm the position of going up mould body and lower mould body, easy to assemble, and can not rock easily between mould body and the lower mould body.

Preferably, in order to further facilitate the installation and the disassembly of the utility model, the fixed limiting mechanism comprises a limiting block and a connecting column, one end of the limiting block is fixedly connected with the lower die body, and the upper end of the limiting block is fixedly connected with the connecting column; the fixed orifices include first through-hole and second through-hole, and first through-hole and second through-hole department are in the feed through state, and second through-hole inner wall size is the same with the stopper size, and wherein, the supporting setting of the size and the position of stopper and second through-hole, the position between mould body and the lower mould body is fixed to the convenience, and the stopper embedding is in the second through-hole, and to the setting of spliced pole, the spliced pole is like the guide pillar, conveniently goes up the installation of mould body and lower mould body.

Preferably, the size of the inner wall of each limiting block and the size of the inner wall of each second through hole are both in a circular truncated cone shape.

Preferably, the utility model provides a make things convenient for concrete scheme of mould body and lower mould body installation, the spliced pole surface is provided with the screw thread, and the spliced pole passes first through-hole part threaded connection nut, dismantles the nut to can dismantle between mould body and the lower mould body.

Preferably, in order to improve the utility model discloses a refrigerated effect, the mould still includes the cooling tube, and the cooling tube is crooked to be arranged, and the cooling tube passes all connect the through-hole, because cooling tube and fin multiple spot contact, circulation coolant liquid in the cooling tube can carry out fine cooling effect to the fin through the cooling tube.

The utility model discloses a mould for sand casting compares with prior art:

the utility model discloses conveniently install and dismantle, and the cooling effect is good, the size of stopper and second through-hole and the supporting setting of position, the position of convenient between to last mould body and the lower mould body is fixed, the stopper embedding is in the second through-hole, and to the setting of spliced pole, the spliced pole is like the guide pillar, the installation of mould body and lower mould body is conveniently gone up, the mould still includes the cooling tube, the crooked range of cooling tube, and the cooling tube passes whole connect the through-hole, because cooling tube and fin multiple spot contact, circulation coolant liquid in the cooling tube, can carry out fine cooling effect to the fin through the cooling tube.

Drawings

FIG. 1 is a schematic overall appearance of the present invention;

FIG. 2 is an external view of a lower casting mold according to the present invention;

FIG. 3 is a schematic exterior view of a cast upper mold of the present invention;

FIG. 4 is a cross-sectional view of a cast upper die of the present invention;

fig. 5 is a top view of the heat pipe of the present invention.

In the figure: 1. casting an upper die; 11. a heat sink; 12. a first pouring opening; 13. a second pouring opening; 14. a connecting through hole; 15. An upper die body; 16. a fixing hole; 161. a first through hole; 162. a second through hole; 17. a molding cavity; 2. a connecting assembly; 3. Casting a lower die; 31. a lower die body; 32. a cavity; 33. fixing a limiting mechanism; 331. a limiting block; 332. connecting columns; 4. A heat radiation pipe.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The utility model discloses a mould for sand casting, as shown in fig. 1 to fig. 3, mould 1 in the casting, casting lower mould 3 and coupling assembling 2, mould 1 includes that the surface sets up first last mould body 15 of pouring mouth 12 and second pouring mouth 13 in the casting, upward be provided with into die cavity 17 on the mould body 15, go up the fixed fin 11 that is provided with a plurality of parallels in mould body 15 upper surface still, a plurality of connect the via hole 14 have been seted up on the fin 11, casting lower mould 3 is including the lower mould body 31 that is provided with cavity 32, cavity 32 size shape pairs the setting with become die cavity 17, coupling assembling 2 connects mould 1 and casting lower mould 3 in the casting.

In order to facilitate the installation of the upper die body 15 and the lower die body 31, the surface of the upper die body 15 is further provided with a plurality of fixing holes 16, the fixing holes 16 are formed around the forming cavity 17, the surface of the lower die body 31 is fixedly provided with a plurality of fixing limiting mechanisms 33 corresponding to the positions of the fixing holes 16, the fixing limiting mechanisms 33 penetrate through the fixing holes 16, the positions of the upper die body 15 and the lower die body 31 can be determined quickly, the installation is convenient, and the upper die body 15 and the lower die body 31 cannot shake easily.

In order to further facilitate the installation and disassembly of the utility model, the fixed limiting mechanism 33 comprises a limiting block 331 and a connecting column 332, one end of the limiting block 331 is fixedly connected with the lower die body 31, and the upper end of the limiting block 331 is fixedly connected with the connecting column 332; the fixing hole 16 includes a first through hole 161 and a second through hole 162, the first through hole 161 and the second through hole 162 are in a communicating state, and the inner wall of the second through hole 162 has the same size as the limiting block 331, wherein the limiting block 331 and the second through hole 162 are configured in a matching manner in size and position, so that the position between the upper die body 15 and the lower die body 31 is conveniently fixed, the limiting block 331 is embedded in the second through hole 162, and for the connecting column 332, the connecting column 332 is like a guide column, so that the upper die body 15 and the lower die body 31 are conveniently mounted.

The utility model provides a make things convenient for the concrete scheme of going up mould body 15 and lower mould body 31 installation, spliced pole 332 surface is provided with the screw thread, and spliced pole 332 passes first through-hole 161, and spliced pole 332 passes the partial threaded connection nut of first through-hole 161, dismantles the screw to can dismantle between last mould body 15 and the lower mould body 31.

As shown in fig. 4, in order to improve the cooling effect of the present invention, the mold further comprises a heat dissipation tube 4, the heat dissipation tube 4 is arranged in a curved manner, and the heat dissipation tube 4 passes through all the connection through holes 14, because the heat dissipation tube 4 is in multi-point contact with the heat dissipation fins 11, the heat dissipation tube 4 is flowed through the cooling liquid, so that the heat dissipation fins 11 can be cooled well by the heat dissipation tube 4.

During the use, install some psammitolite earlier in cavity 32, being good at the psammitolite fixed mounting who lacks, use linkage price 2 to install mould 1 and casting lower mould 3 in the casting, after installing, pour a mouthful 13 and pour metal liquid to the psammitolite through first pouring mouth 12 and second, this kind of setting up of two pouring mouths can make high temperature metal liquid can fill up the psammitolite more quickly, has improved the production efficiency of foundry goods, and to fin 11, start-up fan, it is right to can pass through the fin the utility model discloses and its inside metal casting carries out better heat dissipation.

It can be understood by those skilled in the art that the stopper 331 and the second through hole 162 of the present invention are common shapes, and are not limited to specific shapes, and the present invention provides two specific embodiments for easy understanding:

example 1

A mould for sand casting comprises an upper casting mould 1, a lower casting mould 3 and a connecting assembly 2, wherein the upper casting mould 1 comprises an upper mould body 15, the surface of the upper mould body 15 is provided with a first pouring opening 12 and a second pouring opening 13, a forming cavity 17 is arranged on the upper mould body 15, a plurality of parallel radiating fins 11 are fixedly arranged on the upper surface of the upper mould body 15, a plurality of connecting through holes 14 are formed in the radiating fins 11, the lower casting mould 3 comprises a lower mould body 31 provided with a cavity 32, the size and the shape of the cavity 32 are matched with the forming cavity 17, and the connecting assembly 2 is connected with the upper casting mould 1 and the lower casting; the surface of the upper die body 15 is also provided with a plurality of fixing holes 16, the fixing holes 16 are arranged around the forming cavity 17, the surface of the lower die body 31 is fixedly provided with a plurality of fixing limiting mechanisms 33 corresponding to the fixing holes 16, the fixing limiting mechanisms 33 penetrate through the fixing holes 16, each fixing limiting mechanism 33 comprises a limiting block 331 and a connecting column 332, one end of each limiting block 331 is fixedly connected with the lower die body 31, and the upper end of each limiting block 331 is fixedly connected with the connecting column 332; the fixing hole 16 includes a first through hole 161 and a second through hole 162, the first through hole 161 and the second through hole 162 are in a communicating state, and the inner wall of the second through hole 162 has the same size as the stopper 331, and the stopper 331 and the inner wall of the second through hole 162 have circular truncated cone shapes.

Example 2

A mould for sand casting comprises an upper casting mould 1, a lower casting mould 3 and a connecting assembly 2, wherein the upper casting mould 1 comprises an upper mould body 15, the surface of the upper mould body 15 is provided with a first pouring opening 12 and a second pouring opening 13, a forming cavity 17 is arranged on the upper mould body 15, a plurality of parallel radiating fins 11 are fixedly arranged on the upper surface of the upper mould body 15, a plurality of connecting through holes 14 are formed in the radiating fins 11, the lower casting mould 3 comprises a lower mould body 31 provided with a cavity 32, the size and the shape of the cavity 32 are matched with the forming cavity 17, and the connecting assembly 2 is connected with the upper casting mould 1 and the lower casting; the surface of the upper die body 15 is also provided with a plurality of fixing holes 16, the fixing holes 16 are arranged around the forming cavity 17, the surface of the lower die body 31 is fixedly provided with a plurality of fixing limiting mechanisms 33 corresponding to the fixing holes 16, the fixing limiting mechanisms 33 penetrate through the fixing holes 16, each fixing limiting mechanism 33 comprises a limiting block 331 and a connecting column 332, one end of each limiting block 331 is fixedly connected with the lower die body 31, and the upper end of each limiting block 331 is fixedly connected with the connecting column 332; the fixing hole 16 includes a first through hole 161 and a second through hole 162, the first through hole 161 and the second through hole 162 are in a communicating state, and the inner wall of the second through hole 162 has the same size as the stopper 331, and the stopper 331 and the second through hole 162 are both polygonal columns.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A mold for sand casting, comprising:

the casting upper die comprises a casting upper die (1), wherein the casting upper die (1) comprises an upper die body (15) the surface of which is provided with a first pouring port (12) and a second pouring port (13), a forming cavity (17) is arranged on the upper die body (15), a plurality of parallel radiating fins (11) are fixedly arranged on the upper surface of the upper die body (15), and a plurality of connecting through holes (14) are formed in the radiating fins (11);

the casting lower die (3) comprises a lower die body (31) provided with a cavity (32), and the size and shape of the cavity (32) are matched with those of the molding cavity (17);

coupling assembling (2), mould (1) and casting lower mould (3) are gone up in the casting are connected in coupling assembling (2).

2. A sand casting mold according to claim 1, wherein a plurality of fixing holes (16) are further formed in the surface of the upper mold body (15), the fixing holes (16) are formed around the molding cavity (17), a plurality of fixing limiting mechanisms (33) are fixedly arranged on the surface of the lower mold body (31) corresponding to the fixing holes (16), and the fixing limiting mechanisms (33) penetrate through the fixing holes (16).

3. A sand casting mold according to claim 2, wherein the fixed limiting mechanism (33) comprises a limiting block (331) and a connecting column (332), one end of the limiting block (331) is fixedly connected with the lower mold body (31), and the upper end of the limiting block (331) is fixedly connected with the connecting column (332);

the fixing hole (16) comprises a first through hole (161) and a second through hole (162), the first through hole (161) and the second through hole (162) are in a communicated state, and the size of the inner wall of the second through hole (162) is the same as that of the limiting block (331).

4. A sand casting mold according to claim 3, wherein the stopper (331) and the inner wall of the second through hole (162) are each formed in a truncated cone shape.

5. A sand casting mold according to claim 3, wherein the connecting column (332) is provided with threads on the surface thereof, the connecting column (332) passes through the first through hole (161), and the connecting column (332) passes through the first through hole (161) and is partially threaded with a nut.

6. A sand casting mold according to claim 1, wherein said mold further comprises a radiating pipe (4), said radiating pipe (4) is arranged in a bent manner, and said radiating pipe (4) passes through all of said connecting through holes (14).