CN109014140B

CN109014140B - Quick cooling device that foundry goods was used

Info

Publication number: CN109014140B
Application number: CN201810871638.0A
Authority: CN
Inventors: 艾永青
Original assignee: Fanchang County Great Wall Foundry (general Partnership)
Current assignee: Fanchang Changling Casting Co ltd
Priority date: 2018-08-02
Filing date: 2018-08-02
Publication date: 2020-05-15
Anticipated expiration: 2038-08-02
Also published as: CN109014140A

Abstract

The invention discloses a quick cooling device for castings, which comprises a base, wherein a first water tank, a second water tank, a first water pump, a second water pump and a cooling tank are arranged at the upper end of the base, a partition plate is arranged at the position, close to the inner wall of one side, of the cooling tank, a fixed rod is arranged at one side of the partition plate, a water curtain plate is arranged on the fixed rod, a water trough is arranged below the water curtain plate, slide ways are fixed at the other side of the partition plate and the inner wall of the other side of the cooling tank, a sand tank seat is arranged between the slide ways, an exhaust fan is fixed on the inner wall of the other side of the cooling tank, a first water inlet pipe is arranged at the water inlet end of the first water pump, a first reversing valve is arranged on the first water inlet pipe, a first water outlet pipe is arranged at the water outlet end of the first water pump, the first water outlet pipe penetrates, the cooling speed of the casting is greatly improved, and the casting efficiency is improved.

Description

Quick cooling device that foundry goods was used

Technical Field

The invention belongs to the technical field of casting, and particularly relates to a quick cooling device for a casting.

Background

In the production process of the casting, the drilling defect is one of the common defects of the casting, wherein the heat dissipation condition of the casting is a key factor causing the pinhole defect of the casting, therefore, how to increase the cooling speed of the casting is a key factor for obtaining the high mechanical property of the casting, and then in the actual production at present, the casting is naturally cooled when being solidified in air, so that the cooling speed is slow and the mechanical property of the casting is not high.

Patent No. CN2017212763489 discloses a quick cooling device for casting, including the cooler bin, the cooler bin top is provided with the window of giving vent to anger, and the cooler bin both sides are provided with casting input port and casting delivery outlet, be provided with conveyor between casting input port and the casting delivery outlet, the inner chamber bottom of cooler bin is provided with the fan, the inlet end of fan is connected with the intake pipe, the other end of intake pipe runs through in cooler bin and external intercommunication, the end of giving vent to anger of fan is connected to the condenser, the condenser passes through the connecting pipe and is connected with the outlet duct, the top of outlet duct evenly is provided with the air nozzle, and the device bloies the foundry goods simultaneously through a plurality of air nozzles and reaches the cooling effect with this, but the cooling efficiency of this method is still not high.

Patent number CN 201621207583 discloses a sand casting pouring circulating water cooling device, which relates to the casting technology field; the cooling system comprises an upper tank, a lower tank, an upper cooling water pipeline, a lower cooling water pipeline, a water inlet connecting pipeline, a water inlet pipe, a circulating water pump, a cooling tower, a water outlet connecting pipeline and a water outlet pipe; the upper box and the lower box are respectively provided with a plurality of upper cooling water pipelines and lower cooling water pipelines in parallel, one ends of the upper cooling water pipelines and the lower cooling water pipelines are connected with a water inlet pipe through a water inlet connecting pipeline, the water inlet pipe is connected with a circulating water pump, the circulating water pump is connected with a cooling tower, the other ends of the upper cooling water pipelines and the lower cooling water pipelines are connected with a water outlet pipe through a water outlet connecting pipeline, the water outlet pipe is connected with the cooling tower, the device achieves the cooling effect by arranging the bent pipeline in the sand box and introducing cooling water, and when the part of the sand which is far away from the cooling pipe is cooled because the cooling pipe and the sand are fixed, the cooling effect of the sand is worse, and after the temperature of the molding sand close to the cooling pipe is rapidly reduced, the cooling effect of the cooling pipe is reduced, the cooling rate is slowed down, and therefore, the sand box still needs a long time for completely cooling.

How to accelerate the cooling of the casting and improve the casting efficiency is still an urgent problem to be solved.

Disclosure of Invention

The invention provides a quick cooling device for castings, which aims to solve the defects caused by the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: a quick cooling device for castings comprises a base, wherein a first water tank, a second water tank, a first water pump, a second water pump and a cooling tank are arranged at the upper end of the base, a partition plate is arranged at the position, close to the inner wall of one side, of the cooling tank, a plurality of air suction holes are formed in the partition plate, a plurality of air inlet holes are formed in the inner wall of one side of the cooling tank, a fixing rod is arranged on one side of the partition plate, a water curtain plate is arranged on the fixing rod, a water tank is arranged below the water curtain plate, a slide way is fixed on the inner wall of the other side of the partition plate and the inner wall of the other side of the cooling tank, the slide way extends to the outside of the cooling tank, a sand tank seat is arranged between the slide ways, an exhaust fan is fixed on the inner wall of the other side of the cooling tank, a first water inlet pipe is, the water inlet pipe I is communicated with the bottom of the water tank I, the water outlet end of the water pump I is provided with a water outlet pipe I, the water outlet pipe I penetrates through the cooling box and is communicated with a transverse water pipe, the lower end of the transverse water pipe is uniformly provided with a plurality of longitudinal water pipes, the longitudinal water pipes are located right above the water curtain plate, the water inlet end of the water pump II is provided with a water inlet pipe IV, the water inlet pipe IV penetrates through the cooling box and is communicated with the bottom of the water tank, the water outlet end of the water pump II is provided with a water outlet pipe IV, the water outlet pipe IV is provided with a reversing valve II, the reversing valve II is respectively communicated with a water outlet pipe II and a water outlet pipe III, the water.

Preferably, the front end of the slideway is provided with a reinforcing rib, and one end of the reinforcing rib is fixed on the outer wall of the front end of the cooling box.

Preferably, the bottom of the cooling box is provided with a recovery tank, the recovery tank is positioned below the sand box seat, and the lower end of the back of the cooling box is provided with a hinged rear cover.

Preferably, the front end of the slideway is provided with an anti-falling bolt in threaded connection.

Preferably, the sand box seat comprises a metal plate, a plurality of through holes are formed in the metal plate, rolling wheels are arranged on two sides of the metal plate, and a handle is arranged at the front end of the metal plate.

Preferably, in this embodiment, a door curtain is disposed at the front end of the cooling box.

The beneficial effect of adopting above technical scheme is: the invention relates to a quick cooling device for a casting, which has the following specific working principle: pulling out a sand box seat from a slideway, placing a sand box on which metal solution is just poured on the sand box seat, pushing the sand box seat and the sand box into a cooling box, starting an exhaust fan to extract air in the cooling box, adding cooling water into a water tank I, rotating a reversing valve to a position where a water inlet pipe I is communicated with a water inlet pipe III, rotating a reversing valve II to a position where a water outlet pipe IV is communicated with a water outlet pipe III, pumping water in the water tank I by a water pump I through the water inlet pipe I and the water inlet pipe III, feeding the water into a transverse water pipe from the water outlet pipe I, falling onto a water curtain plate from a plurality of longitudinal water pipes to form a water curtain, forming negative pressure inside the water curtain by the air pumping operation of the exhaust fan, leading air outside the cooling box to enter from an air inlet hole, pass through the water curtain and carry cold water vapor to enter the cooling box from an air exhaust hole, leading the cold water vapor to be liquefied when encountering hot, cooling water flowing down on the water curtain plate enters a water tank, is pumped in through the water inlet pipe four by the water pump two, and is sent into the water tank two for storage through the water outlet pipe four and the water outlet pipe three, water in the water tank one is gradually transferred into the water tank two, after casting is completed every day, water in the water tank two is naturally cooled to a lower temperature at night, when casting operation is performed again in the next day, the reversing valve one is adjusted to the position where the water inlet pipe two is communicated with the water inlet pipe one, the reversing valve two is adjusted to the position where the water outlet pipe four is communicated with the water outlet pipe two, the cooling water enters the water curtain plate from the water tank two, and then is recycled into the water tank one, so that the cooling water is recycled for multiple times.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view taken along the line A of the present invention;

FIG. 3 is a schematic view of the flask seat of the present invention.

Wherein: 1-base, 2-recovery tank, 3-water tank, 4-slideway, 5-sand tank base, 51-roller, 52-through hole, 53-handle, 54-metal plate, 6-exhaust fan, 7-cooling tank, 8-water curtain plate, 9-air suction hole, 10-partition plate, 11-fixing rod, 12-longitudinal water pipe, 13-transverse water pipe, 14-air inlet hole, 15-water outlet pipe I, 16-water tank I, 17-water outlet pipe II, 18-water outlet pipe III, 19-water tank II, 20-water pump I, 21-water pump II, 22-reversing valve II, 23-reversing valve I, 24-water inlet pipe II, 25-water inlet pipe III, 26-water inlet pipe IV, 27-water inlet pipe I, 28-water outlet pipe IV, 29-door curtain, 30-anti-falling bolt, 31-reinforcing rib and 32-rear cover.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1-3, the invention is a rapid cooling device for castings, which comprises a base 1, wherein a first water tank 16, a second water tank 19, a first water pump 20, a second water pump 21 and a cooling tank 7 are arranged at the upper end of the base 1, a partition plate 10 is arranged at a position of the cooling tank 7 close to the inner wall of one side of the cooling tank, a plurality of air suction holes 9 are arranged on the partition plate 10, a plurality of air inlet holes 14 are arranged on the inner wall of one side of the cooling tank 7, a fixing rod 11 is arranged at one side of the partition plate 10, a water curtain plate 8 is arranged on the fixing rod 11, a water tank 3 is arranged below the water curtain plate 8, a slide way 4 is fixed on the inner wall of the other side of the partition plate 10 and the inner wall of the other side of the cooling tank 7, the slide way 4 extends to the outside of the cooling tank 7, a sand tank seat 5 is arranged between the slide ways 4, the first reversing valve 23 is respectively communicated with a second water inlet pipe 24 and a third water inlet pipe 25, the second water inlet pipe 24 is communicated with the bottom of the second water tank 19, the third water inlet pipe 25 is communicated with the bottom of the first water tank 16, the first water outlet end of the first water pump 20 is provided with a first water outlet pipe 15, the first water outlet pipe 15 penetrates into the cooling box 7 and is communicated with a transverse water pipe 13, a plurality of longitudinal water pipes 12 are uniformly arranged at the lower end of the transverse water pipe 13, the longitudinal water pipe 12 is positioned right above the water curtain plate 8, the water inlet end of the second water pump 21 is provided with a fourth water inlet pipe 26, the fourth water inlet pipe 26 penetrates through the cooling tank 7 to be communicated with the bottom of the water tank 3, the fourth water outlet pipe 28 is arranged at the water outlet end of the second water pump 21, a second reversing valve 22 is arranged on the fourth water outlet pipe 28, the second reversing valve 22 is respectively communicated with a second water outlet pipe 17 and a third water outlet pipe 18, the second water outlet pipe 17 is communicated with the upper end of the first water tank 16, and the third water outlet pipe 18 is communicated with the upper end of the second water tank 19.

In this embodiment, slide 4 front end is equipped with strengthening rib 31, strengthening rib 31 one end is fixed at the front end outer wall of cooler bin 7, and the quality is higher when the sand box is placed to 5 upper ends of sand box seat, sets up strengthening rib 31 and can improve slide 4's fastness, and sand box seat 5 plays the supporting role.

In this embodiment, cooling box 7 bottom is equipped with accumulator 2, accumulator 2 is located the below of sand box seat 5, cooling box 7's back lower extreme is equipped with articulated back lid 32, and the condition that the molding sand drops probably appears after the sand box cooling, sets up accumulator 2 in the below and is used for adorning the molding sand that drops, turns over back lid 32, takes out accumulator 2 and can retrieve the molding sand.

In this embodiment, the front end of the slide 4 is provided with an anti-drop bolt 30 connected by threads for preventing the sand box base 5 from dropping off from the slide 4 when being pulled, so as to avoid a dangerous situation.

In this embodiment, the sand box base 5 includes a metal plate 54, a plurality of through holes 52 are provided on the metal plate 54, rollers 51 are provided on both sides of the metal plate 54, a handle 53 is provided on the front end of the metal plate 54, the through holes 52 enable the bottom of the sand box to be in a structure with cold water vapor when the sand box is placed, so as to increase the heat dissipation area, the rollers 51 are convenient to move in the slide 4, and the handle 53 is convenient for a worker to operate.

In this embodiment, the front end of the cooling box 7 is provided with a door curtain 29, so that the sand box base 5 can be conveniently and rapidly taken out of and put into the cooling box 7.

Based on the above, the invention provides a quick cooling device for castings, which has the following specific working principle: pulling out a sand box seat 5 from a slide way 4, placing a sand box which is just poured with metal solution on the sand box seat 5, pushing the sand box seat 5 and the sand box into a cooling box 7, starting an exhaust fan 6 to exhaust air in the cooling box 7, adding cooling water into a water tank I16, rotating a reversing valve I23 to a position where a water inlet pipe I27 is communicated with a water inlet pipe III 25, rotating a reversing valve II 22 to a position where a water outlet pipe IV 28 is communicated with a water outlet pipe III 18, pumping out water in the water tank I16 through the water inlet pipe I27 and the water inlet pipe III 25 by a water pump I20, sending the water into a transverse water pipe 13 from the water outlet pipe I15, falling on a water curtain plate 8 from a plurality of longitudinal water pipes 12 to form a water curtain, forming negative pressure inside the air exhaust fan 6, leading air outside the cooling box 7 to enter from an air inlet hole 14, passing through the water curtain and carrying cold water vapor to enter the cooling box 7 from an air inlet hole 9, and leading the cold, the heat is quickly absorbed and discharged from the exhaust fan 6, the cooling water flowing down from the water curtain plate 8 enters the water tank 3, is pumped in through the water inlet pipe four 26 by the water pump two 21, is sent into the water tank two 19 through the water outlet pipe four 28 and the water outlet pipe three 18 for storage, the water in the water tank one 16 is gradually transferred into the water tank two 19, after casting is finished every day, the water in the water tank two 19 is naturally cooled to a lower temperature at night, when casting operation is carried out again in the next day, the reversing valve one 23 is adjusted to the position where the water inlet pipe two 24 is communicated with the water inlet pipe one 27, the reversing valve two 22 is adjusted to the position where the water outlet pipe four 28 is communicated with the water outlet pipe two 17, the cooling water enters the water curtain plate 8 from the water tank two 19 and is recycled into the water tank one 16, so that the cooling water is recycled for multiple times, the device utilizes cold steam to liquefy and absorb most of, the casting efficiency is improved.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. The utility model provides a quick cooling device that foundry goods was used which characterized in that: comprises a base (1), wherein a first water tank (16), a second water tank (19), a first water pump (20), a second water pump (21) and a cooling box (7) are arranged at the upper end of the base (1), a partition plate (10) is arranged at the position, close to the inner wall of one side, of the cooling box (7), a plurality of air suction holes (9) are formed in the partition plate (10), a plurality of air inlet holes (14) are formed in the inner wall of one side of the cooling box (7), a fixing rod (11) is arranged at one side of the partition plate (10), a water curtain plate (8) is arranged on the fixing rod (11), a water channel (3) is arranged below the water curtain plate (8), a slide (4) is fixed on the inner wall of the other side of the partition plate (10) and the inner wall of the other side of the cooling box (7), the slide (4) extends to the outside of the cooling box (7), a sand box seat (, the water inlet end of the first water pump (20) is provided with a first water inlet pipe (27), the first water inlet pipe (27) is provided with a first reversing valve (23), the first reversing valve (23) is respectively communicated with a second water inlet pipe (24) and a third water inlet pipe (25), the second water inlet pipe (24) is communicated with the bottom of a second water tank (19), the third water inlet pipe (25) is communicated with the bottom of the first water tank (16), the water outlet end of the first water pump (20) is provided with a first water outlet pipe (15), the first water outlet pipe (15) penetrates through the interior of the cooling tank (7) and is communicated with a transverse water pipe (13), the lower end of the transverse water pipe (13) is uniformly provided with a plurality of longitudinal water pipes (12), the longitudinal water pipes (12) are positioned right above the water curtain plate (8), the water inlet end of the second water pump (21) is provided with a fourth water inlet pipe (26), and the fourth water inlet pipe (26), a water outlet end of the water pump II (21) is provided with a water outlet pipe II (28), the water outlet pipe II (28) is provided with a reversing valve II (22), the reversing valve II (22) is respectively communicated with a water outlet pipe II (17) and a water outlet pipe III (18), the water outlet pipe II (17) is communicated with the upper end of the water tank I (16), and the water outlet pipe III (18) is communicated with the upper end of the water tank II (19); a reinforcing rib (31) is arranged at the front end of the slide way (4), and one end of the reinforcing rib (31) is fixed on the outer wall of the front end of the cooling box (7); a recovery tank (2) is arranged at the bottom of the cooling box (7), the recovery tank (2) is positioned below the sand box seat (5), and a hinged rear cover (32) is arranged at the lower end of the back of the cooling box (7); the front end of the slideway (4) is provided with an anti-falling bolt (30) in threaded connection; the sand box seat (5) comprises a metal plate (54), a plurality of through holes (52) are formed in the metal plate (54), rolling wheels (51) are arranged on two sides of the metal plate (54), and a handle (53) is arranged at the front end of the metal plate (54); the front end of the cooling box (7) is provided with a door curtain (29).