CN215431406U

CN215431406U - Casting sand mold with good exhaust performance

Info

Publication number: CN215431406U
Application number: CN202121130026.XU
Authority: CN
Inventors: 徐鹏; 杨青春; 郭大治
Original assignee: Shiyan Longgang Casting Co ltd
Current assignee: Shiyan Longgang Casting Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-07
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a sand mould for casting steel with good exhaust performance, belonging to the technical field of casting steel tools, the technical proposal key point of the sand mould comprises a lower mould, the top of the lower mould is provided with an upper mould, the top of the lower mould is fixedly connected with four limit rods which are uniformly distributed, when the upper mould and the lower mould are installed, the limit rods on the upper mould can be inserted with limit grooves on the lower mould, so that the installation of the upper mould and the lower mould can be positioned, the position deviation of the upper mould and the lower mould during the installation can be prevented, a radiating pipe can discharge heat in the sand mould by arranging a radiating mechanism, an exhaust hole can absorb heat and gas in the sand mould, an exhaust rope and an exhaust pipe can collect gas after the mould is gasified, and therefore, the collected gas can be conveyed to the exhaust hole from the radiating pipe, the quality of the sand mold for casting steel is increased, and the use of a user is facilitated.

Description

Casting sand mold with good exhaust performance

Technical Field

The utility model relates to the field of lost foam casting, in particular to a sand mold for cast steel with good exhaust performance.

Background

When the steel is cast, a sand mold is used for casting, and the sand mold casting has the advantages of low cost and convenience in operation, is not limited by the types of casting alloys, the shapes and the sizes of castings, and is suitable for various production scales.

The lost foam casting method comprises the steps of using a lost foam casting when a sand mold casts steel, wherein paraffin or foam models similar to castings in size and shape are bonded and combined into a model cluster in the lost foam casting, brushing refractory coatings and drying the paraffin or foam models, burying the paraffin or foam models in dry quartz sand for vibration molding, pouring under negative pressure, gasifying the models, enabling liquid metal to occupy model positions, solidifying and cooling to form castings, and when the existing sand mold conducts lost casting, because gas after model gasification cannot be discharged in time, the influence can be produced on the casting of the steel, the quality of the steel casting is reduced, and when the sand mold is installed, because the position limitation and the positioning are needed manually, the sand mold can be installed, a large amount of time and energy are consumed for installation and positioning, the work efficiency can be reduced, and the use of users is affected.

Therefore, it is necessary to solve the above problems by inventing a sand mold for cast steel having good exhaust properties.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand mold for cast steel with good exhaust performance, which solves the problems of low working efficiency and the like in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a casting steel sand mold with good exhaust performance comprises a lower mold, wherein an upper mold is arranged at the top of the lower mold, four evenly distributed limiting rods are fixedly connected to the top of the lower mold, four evenly distributed limiting grooves are formed in the bottom of the upper mold, the surfaces of the limiting rods are spliced with the limiting grooves, air outlet holes are formed in the inner wall of the upper mold and the front side of the lower mold, and heat dissipation mechanisms are fixedly connected to the inner wall of the air outlet holes;

the heat dissipation mechanism comprises a heat dissipation pipe, a plurality of exhaust holes are formed in the surface of the heat dissipation pipe, the surface of the heat dissipation pipe is communicated with two exhaust ropes which are evenly distributed, and the surface of each exhaust rope is communicated with an air outlet pipe which is evenly distributed.

Preferably, the surface of the air outlet pipe is fixedly connected with a limiting ring, and the limiting ring is matched with the air outlet pipe for use.

Preferably, the inner wall of the upper die and the inner wall of the lower die are fixedly connected with supporting rods, the surface of each supporting rod is fixedly connected with a limiting sleeve, and the inner wall of each limiting sleeve is in contact with the heat dissipation pipe.

Preferably, the bottom of the two sides of the upper die and the top of the two sides of the lower die are fixedly connected with clamping plates, two threaded holes are formed in the tops of the clamping plates, and screws are connected to the inner walls of the threaded holes in a threaded mode.

Preferably, the two sides of the upper die and the two sides of the lower die are fixedly connected with handles, and soft sleeves are sleeved on the surfaces of the handles.

Preferably, the top of the upper die is fixedly connected with a clamping block, the bottom of the lower die is provided with a clamping groove, and the clamping block is matched with the clamping groove for use.

Compared with the prior art, the utility model has the beneficial effects that:

this sand mould for cast steel that exhaust performance is good, through setting up the gag lever post, can let when last mould and lower mould are installed, the gag lever post on going up the mould can peg graft with the spacing groove on the lower mould, consequently just can fix a position the installation of last mould and lower mould, prevent to go up mould and lower mould when the installation skew in position, and through setting up heat dissipation mechanism, can let the cooling tube discharge the heat in the sand mould, and the exhaust hole can absorb heat and gas in the sand mould, exhaust rope and outlet duct can collect the gas after the mould gasification, consequently just can be with the gas of collecting carry outlet hole department discharge in the cooling tube in the lump, the quality of sand mould to steel casting has been increased, user's use has been made things convenient for.

Drawings

FIG. 1 is an overall structural view of a sand mold for cast steel having good exhaust properties according to the present invention;

FIG. 2 is a partial block diagram of the upper die of the present invention;

FIG. 3 is a partial view of the lower die of the present invention;

FIG. 4 is a structural view of the heat dissipation mechanism of the present invention;

FIG. 5 is a front cross-sectional view of an upper die of the present invention.

In the figure, 1, an upper die; 2. a lower die; 3. a limiting rod; 4. a limiting groove; 5. an air outlet; 6. a heat dissipation mechanism; 601. a radiating pipe; 602. an exhaust hole; 603. an exhaust cord; 604. an air outlet pipe; 7. a limiting ring; 8. a support bar; 9. a limiting sleeve; 10. a clamping and connecting plate; 11. a threaded hole; 12. a screw; 13. a handle; 14. a soft sleeve; 15. a clamping block; 16. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sand mold for cast steel with good exhaust performance comprises a lower mold 2, wherein the top of the lower mold 2 is provided with an upper mold 1, the top of the lower mold 2 is fixedly connected with four uniformly distributed limiting rods 3, the bottom of the upper mold 1 is provided with four uniformly distributed limiting grooves 4, the surfaces of the limiting rods 3 are spliced with the limiting grooves 4, the inner wall of the upper mold 1 and the front side of the lower mold 2 are both provided with air outlet holes 5, and the inner wall of each air outlet hole 5 is fixedly connected with a heat dissipation mechanism 6;

the heat dissipation mechanism 6 includes a heat dissipation tube 601, a plurality of air vents 602 are disposed on the surface of the heat dissipation tube 601, two air vent ropes 603 uniformly distributed are communicated with the surface of the heat dissipation tube 601, and a plurality of air outlet pipes 604 uniformly distributed are communicated with the surface of the air vent ropes 603.

In this embodiment: through setting up gag lever post 3, can let go up mould 1 and lower mould 2 when installing, it can peg graft with spacing groove 4 on the lower mould 2 to go up gag lever post 3 on the mould 1, consequently just can fix a position the installation of last mould 1 with lower mould 2, prevent to go up mould 1 and lower mould 2 when the installation offset in the position, and through setting up heat dissipation mechanism 6, can let the heat of cooling tube 601 in to the sand mould discharge, and exhaust hole 602 can absorb heat and gas in the sand mould, exhaust rope 603 and outlet duct 604 can collect the gas after the mould gasification, consequently just can carry gas that collects in the cooling tube 601 in the lump and go out venthole 5 departments, increased the quality of sand mould to steel casting, user's use has been made things convenient for.

As a technical optimization scheme of the utility model, the surface of the air outlet pipe 604 is fixedly connected with a limiting ring 7, and the limiting ring 7 is matched with the air outlet pipe 604 for use.

In this embodiment: through setting up spacing ring 7, when can letting out trachea 604 bury in the sand mould, carry out spacing in the position through spacing ring 7, prevent that outlet duct 604 from taking place the skew in the position.

As a technical optimization scheme of the utility model, the inner walls of the upper die 1 and the lower die 2 are both fixedly connected with a support rod 8, the surface of the support rod 8 is fixedly connected with a limit sleeve 9, and the inner wall of the limit sleeve 9 is contacted with the radiating pipe 601.

In this embodiment: through setting up stop collar 9, can carry on spacingly and fixed to the position of cooling tube 601, bracing piece 8 can increase the stability that cooling tube 601 and last mould 1 and lower mould 2 are connected.

As a technical optimization scheme of the utility model, clamping plates 10 are fixedly connected to the bottoms of two sides of an upper die 1 and the tops of two sides of a lower die 2, two threaded holes 11 are formed in the tops of the clamping plates 10, and screws 12 are connected to the inner walls of the threaded holes 11 in a threaded mode.

In this embodiment: through setting up joint board 10, can let last mould 1 and lower mould 2 install the back, with screw 12 threaded connection in the screw hole 11 on joint board 10, just can increase the stability of going up the installation of mould 1 and lower mould 2.

As a technical optimization scheme of the utility model, handles 13 are fixedly connected to both sides of the upper die 1 and both sides of the lower die 2, and a soft sleeve 14 is sleeved on the surface of each handle 13.

In this embodiment: through setting up handle 13, can make things convenient for the user to take last mould 1 and lower mould 2, soft cover 14 can protect the user to promote the comfort level of user when holding handle 13.

As a technical optimization scheme of the utility model, the top of the upper die 1 is fixedly connected with a clamping block 15, the bottom of the lower die 2 is provided with a clamping groove 16, and the clamping block 15 is matched with the clamping groove 16 for use.

In this embodiment: through setting up fixture block 15 and draw-in groove 16, can let when going up mould 1 and lower mould 2 and installing, fixture block 15 and draw-in groove 16 can carry out the joint, consequently will increase the leakproofness after going up mould 1 and lower mould 2 installation.

The working principle is as follows: firstly, the upper die 1 and the lower die 2 are moved to the positions to be used, when moving, a user needs to hold the handle 13, the handle 13 can be convenient for the user to take the upper die 1 and the lower die 2, the soft sleeve 14 can protect the user and improve the comfort level of the user when holding the handle 13, then the die to be cast is placed in the lower die 2 for lost casting, when casting, the limiting rod 3 can ensure that the upper die 1 and the lower die 2 are installed, the limiting rod 3 on the upper die 1 can be spliced with the limiting groove 4 on the lower die 2, therefore, the installation of the upper die 1 and the lower die 2 can be positioned, the position offset of the upper die 1 and the lower die 2 during installation can be prevented, the clamping plate 10 can ensure that the upper die 1 and the lower die 2 can be installed, and then the screws 12 are screwed in the threaded holes 11 on the clamping plate 10, so that the installation stability of the upper die 1 and the lower die 2 can be increased, and the fixture block 15 and the clamping groove 16 can make the upper die 1 and the lower die 2 mounted, the fixture block 15 and the clamping groove 16 can be clamped, so the tightness after the upper die 1 and the lower die 2 are mounted can be increased, the heat in the sand mold can be discharged by the heat dissipation pipe 601 by arranging the heat dissipation mechanism 6, the position of the heat dissipation pipe 601 can be limited and fixed by the limiting sleeve 9, the stability of the connection of the heat dissipation pipe 601 with the upper die 1 and the lower die 2 can be increased by the support rod 8, the heat and the gas in the sand mold can be absorbed by the exhaust hole 602, the gasified gas of the mold can be collected by the exhaust rope 603 and the exhaust pipe 604, and the limiting ring 7 can make the exhaust pipe 604 buried in the sand mold, the position limitation is performed by the limiting ring 7, the position deviation of the exhaust pipe 604 is prevented, so the collected gas can be conveyed to the exhaust hole 5 from the heat dissipation pipe 601 together, the quality of the sand mold for casting steel is increased, and the use of a user is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a sand mould for cast steel that exhaust performance is good, includes lower mould (2), its characterized in that: an upper die (1) is arranged at the top of the lower die (2), four evenly-distributed limiting rods (3) are fixedly connected to the top of the lower die (2), four evenly-distributed limiting grooves (4) are formed in the bottom of the upper die (1), the surfaces of the limiting rods (3) are connected with the limiting grooves (4) in an inserting mode, air outlet holes (5) are formed in the inner wall of the upper die (1) and the front side of the lower die (2), and a heat dissipation mechanism (6) is fixedly connected to the inner wall of each air outlet hole (5);

heat dissipation mechanism (6) include cooling tube (601), a plurality of exhaust hole (602) have been seted up on the surface of cooling tube (601), the surface intercommunication of cooling tube (601) has two evenly distributed's exhaust rope (603), the surface intercommunication of exhaust rope (603) has a plurality of evenly distributed's outlet duct (604).

2. The sand mold for cast steel having good exhaust properties according to claim 1, characterized in that: the surface of the air outlet pipe (604) is fixedly connected with a limiting ring (7), and the limiting ring (7) is matched with the air outlet pipe (604) for use.

3. The sand mold for cast steel having good exhaust properties according to claim 1, characterized in that: go up the equal fixedly connected with bracing piece (8) of inner wall and lower mould (2) of mould (1), the fixed surface of bracing piece (8) is connected with stop collar (9), the inner wall and the cooling tube (601) contact of stop collar (9).

4. The sand mold for cast steel having good exhaust properties according to claim 1, characterized in that: go up the equal fixedly connected with joint plate (10) in the bottom of mould (1) both sides and the top of lower mould (2) both sides, two screw holes (11) have been seted up at the top of joint plate (10), the inner wall threaded connection of screw hole (11) has screw (12).

5. The sand mold for cast steel having good exhaust properties according to claim 1, characterized in that: go up the equal fixedly connected with handle (13) in both sides of mould (1) and both sides of lower mould (2), the surface cover of handle (13) is equipped with soft cover (14).

6. The sand mold for cast steel having good exhaust properties according to claim 1, characterized in that: the die is characterized in that a clamping block (15) is fixedly connected to the top of the upper die (1), a clamping groove (16) is formed in the bottom of the lower die (2), and the clamping block (15) is matched with the clamping groove (16) for use.