阅读说明：本技术 一种消失模铸造的晾砂设备 (Sand drying equipment for lost foam casting ) 是由 沈家文 于 2020-11-03 设计创作，主要内容包括：本发明公开了一种消失模铸造的晾砂设备,包括冷却箱,冷却箱的内部开设有冷却槽,冷却槽的槽底固定设有四个呈矩形阵列分布的支撑柱,四个支撑柱的顶端固定连接有砂箱,砂箱的内部开设有空槽,冷却箱的两侧中部分别嵌入有进液管道和出液管道,冷却槽的槽底四角处均固定设有连接杆,连接杆的顶面中部开设有螺槽,冷却箱的顶端可拆卸设有盖板,盖板的四角处均开设有螺孔,螺孔的内部贯穿设有螺栓。本发明通过在冷却箱的内部开设有冷却槽,冷却箱的两侧中部分别嵌入有进液管道和出液管道,进液管道和出液管道均与冷却槽相互连通,使得该装置能够对砂箱进行冷却,从而使得消失模铸造的生产效率得到提高。(The invention discloses sand drying equipment for lost foam casting, which comprises a cooling tank, wherein a cooling groove is formed in the cooling tank, four support columns distributed in a rectangular array are fixedly arranged at the bottom of the cooling groove, sand boxes are fixedly connected to the top ends of the four support columns, empty grooves are formed in the sand boxes, liquid inlet pipelines and liquid outlet pipelines are respectively embedded in the middle parts of two sides of the cooling tank, connecting rods are fixedly arranged at four corners of the bottom of the cooling groove, screw grooves are formed in the middle parts of the top surfaces of the connecting rods, a cover plate is detachably arranged at the top end of the cooling tank, screw holes are formed in the four corners of the cover plate, and bolts penetrate through the screw holes. According to the invention, the cooling tank is arranged in the cooling box, the liquid inlet pipeline and the liquid outlet pipeline are respectively embedded in the middle parts of two sides of the cooling box, and the liquid inlet pipeline and the liquid outlet pipeline are communicated with the cooling tank, so that the device can cool the sand box, and the production efficiency of lost foam casting is improved.)

1. The utility model provides a sand drying equipment of lost foam casting, includes cooler bin (1), its characterized in that: a cooling tank (11) is arranged in the cooling tank (1), four support columns (111) distributed in a rectangular array are fixedly arranged at the bottom of the cooling tank (11), the top ends of the four support columns (111) are fixedly connected with a sand box (2), and an empty groove (21) is arranged in the sand box (2);

a liquid inlet pipeline (12) and a liquid outlet pipeline (13) are respectively embedded in the middle parts of two sides of the cooling box (1);

the cooling tank is characterized in that connecting rods (112) are fixedly arranged at four corners of the bottom of the cooling tank (11), screw grooves (1121) are formed in the middle of the top surface of each connecting rod (112), cover plates (3) are detachably arranged at the top ends of the cooling tanks (1), screw holes (31) are formed in the four corners of each cover plate (3), and bolts (311) are arranged inside the screw holes (31) in a penetrating mode.

2. The sand airing device for lost foam casting according to claim 1, wherein: the liquid inlet pipeline (12) and the liquid outlet pipeline (13) are communicated with the cooling tank (11).

3. The sand airing device for lost foam casting according to claim 1, wherein: the notch outer lane of cooling bath (11) is fixed to be laminated with first time shape sealing washer (113), the notch outer lane of dead slot (21) is fixed to be laminated with second time shape sealing washer (211).

4. The sand airing device for lost foam casting according to claim 3, wherein: the first and second annular sealing rings (113, 211) are made of high-temperature-resistant materials, and specifically made of polytetrafluoroethylene.

5. A sand-airing apparatus for lost foam casting according to claim 1 or 3, wherein: the inboard fixedly connected with of apron (3) returns shape board (32) with second time shape sealing washer (211) looks adaptation, the top surface of second time shape sealing washer (211) closely laminates with the bottom surface that returns shape board (32).

6. The sand airing device for lost foam casting according to claim 1, wherein: the bolt (311) is matched with the screw hole (31) and is matched with the screw groove (1121).

7. The sand airing device for lost foam casting according to claim 1, wherein: the number of the bolts (311) is four.

Technical Field

The invention relates to the technical field of sand airing of lost foam, in particular to sand airing equipment for lost foam casting.

Background

Lost foam casting is also called dry sand full mold negative pressure casting, is called EPC abroad, is one of the most advanced casting processes in the world at present, is known as a revolution in casting history, and is called green casting in 21 st century at home and abroad;

at present, in a casting factory, a casting method which is often adopted is to produce castings by adopting lost foam casting, when the produced castings are large in batch, the temperature of casting sand for lost foam casting is high, and by adopting a common sand airing method, the temperature of the casting sand is difficult to reduce, the production is difficult to meet the requirements, the production progress is seriously influenced, and the efficiency is reduced, so that the invention of the sand airing device for lost foam casting is necessary to solve the problems.

Disclosure of Invention

The invention aims to provide sand airing equipment for lost foam casting, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the sand drying equipment for lost foam casting comprises a cooling box, wherein a cooling groove is formed in the cooling box, four support columns distributed in a rectangular array are fixedly arranged at the bottom of the cooling groove, the top ends of the four support columns are fixedly connected with a sand box, and a hollow groove is formed in the sand box;

a liquid inlet pipeline and a liquid outlet pipeline are respectively embedded in the middle parts of the two sides of the cooling box;

the connecting rod is all fixed to be equipped with in the tank bottom four corners department of cooling bath, the thread groove has been seted up at the top surface middle part of connecting rod, the apron can be dismantled and be equipped with on the top of cooler bin, the screw has all been seted up in the four corners department of apron, the inside of screw runs through and is equipped with the bolt.

Preferably, the liquid inlet pipeline and the liquid outlet pipeline are communicated with the cooling tank.

Preferably, a first annular sealing ring is fixedly attached to the outer ring of the notch of the cooling groove, and a second annular sealing ring is fixedly attached to the outer ring of the notch of the empty groove.

Preferably, the first and second ring seals are made of high temperature resistant material, specifically polytetrafluoroethylene material.

Preferably, the inner side of the cover plate is fixedly connected with a square plate matched with the second square sealing ring, and the top surface of the second square sealing ring is tightly attached to the bottom surface of the square plate.

Preferably, the bolts are matched with the screw holes and matched with the screw grooves, and the cover plate is inserted into the corresponding screw grooves through the bolt penetrating through the screw holes and detachably connected with the cooling box.

Preferably, the number of the bolts is four.

The invention has the technical effects and advantages that:

1. according to the invention, the cooling tank is arranged in the cooling box, the liquid inlet pipeline and the liquid outlet pipeline are respectively embedded in the middle parts of two sides of the cooling box, and the liquid inlet pipeline and the liquid outlet pipeline are communicated with the cooling tank, so that the device can cool the sand box, and the production efficiency of lost foam casting is improved;

2. according to the invention, the first circular sealing ring is fixedly attached to the outer ring of the notch of the cooling groove, and the second circular sealing ring is fixedly attached to the outer ring of the notch of the empty groove, so that the cover plate has a better sealing effect on the cooling groove.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is an enlarged view of the position A in FIG. 1 according to the present invention.

Fig. 3 is a partial sectional structural schematic view of the present invention.

In the figure: 1. a cooling tank; 11. a cooling tank; 111. a support pillar; 112. a connecting rod; 1121. a screw groove; 113. a first o-ring seal; 12. a liquid inlet pipeline; 13. a liquid outlet pipeline; 2. a sand box; 21. an empty groove; 211. a second loop-shaped seal ring; 3. a cover plate; 31. a screw hole; 311. a bolt; 32. and (4) returning the plate.

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.

The invention provides sand airing equipment for lost foam casting, which comprises a cooling box 1, wherein a cooling groove 11 is formed in the cooling box 1, four support columns 111 distributed in a rectangular array are fixedly arranged at the bottom of the cooling groove 11, a sand box 2 is fixedly connected to the top ends of the four support columns 111, a hollow groove 21 is formed in the sand box 2, and cooling liquid is filled in the cooling groove 11;

a liquid inlet pipeline 12 and a liquid outlet pipeline 13 are respectively embedded in the middle parts of two sides of the cooling box 1, one end, far away from the cooling box 1, of the liquid inlet pipeline 12 is fixedly connected with a cooling liquid storage cylinder, cooling liquid is conveyed into the cooling tank 11 through the liquid inlet pipeline 12, one end, far away from the cooling box 1, of the liquid outlet pipeline 13 is fixedly connected with a cooling liquid recycling device, the cooling liquid is conveyed into the cooling liquid recycling device through the liquid outlet pipeline 13 after cooling the sand box 2 in the cooling tank 11, and the cooling liquid can be recycled after being treated by the cooling liquid recycling device, so that the resource recycling viewpoint is met;

the equal fixed connecting rod 112 that is equipped with in tank bottom four corners department of cooling tank 11, spiral shell groove 1121 has been seted up at the top surface middle part of connecting rod 112, apron 3 has been dismantled on the top of cooling tank 1, screw 31 has all been seted up in the four corners department of apron 3, the inside of screw 31 runs through and is equipped with bolt 311, apron 3 carries out the shutoff to cooling tank 11, avoid the coolant liquid to spill over from cooling tank 11, the condition emergence of influence is caused to the casting of sand box 2 disappearance mould, the coolant liquid is when through cooling tank 11 is inside simultaneously, the inside heat of hiding of sand box 2 will be shifted inside the coolant liquid, make the device can cool off sand box 2, thereby make the as yet cast production efficiency of disappearance mould obtain improving.

The liquid inlet pipeline 12 and the liquid outlet pipeline 13 are communicated with the cooling tank 11, cooling liquid enters the cooling tank 11 through the liquid inlet pipeline 12, and is discharged through the liquid outlet pipeline 13 after heat of the sand box 2 is absorbed, so that the sand box 2 can be cooled by the cooling box 1.

The fixed laminating of the notch outer lane of cooling bath 11 has first time shape sealing washer 113, and the fixed laminating of the notch outer lane of dead slot 21 has second time shape sealing washer 211 for the sealed effect of apron 2 to the shutoff of cooling bath 11 is better.

The first and second convolution seal rings 113 and 211 are made of a high temperature resistant material, specifically, a polytetrafluoroethylene material, which has a good high temperature resistance.

The inner side of the cover plate 3 is fixedly connected with a square-shaped plate 32 matched with the second square-shaped sealing ring 211, and the top surface of the second square-shaped sealing ring 211 is tightly attached to the bottom surface of the square-shaped plate 32.

The bolt 311 is adapted to the screw hole 31 and adapted to the screw groove 1121, so that the sealing effect of the cover plate 2 for sealing the cooling groove 11 is further improved.

The number of bolts 311 is specifically four, and the number of bolts 311 will be further described.

The working principle of the invention is as follows: the cooling tank 11 is filled with cooling liquid, one end of the liquid inlet pipeline 12, which is far away from the cooling tank 1, is fixedly connected with a cooling liquid storage cylinder, the cooling liquid is conveyed into the cooling tank 11 through the liquid inlet pipeline 12, one end of the liquid outlet pipeline 13, which is far away from the cooling tank 1, is fixedly connected with a cooling liquid recycling device, the cooling liquid is conveyed into the cooling liquid recycling device through the liquid outlet pipeline 13 after cooling the sand box 2 in the cooling tank 11, the cooling liquid can be recycled after being processed by the cooling liquid recycling device, the cover plate 3 blocks the cooling tank 11 to avoid the overflow of the cooling liquid from the cooling tank 11 and influence the casting of the lost mould of the sand box 2, and simultaneously, when the cooling liquid passes through the cooling tank 11, the heat stored in the sand box 2 is transferred into the cooling liquid, so that the device can cool the sand box 2, thereby improving the production efficiency of the lost foam casting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.