CN110465632B

CN110465632B - Sand box cooling device

Info

Publication number: CN110465632B
Application number: CN201910914030.6A
Authority: CN
Inventors: 李金海
Original assignee: Hangzhou Xinghai Casting Co ltd
Current assignee: Hangzhou Xinghai Casting Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-14
Anticipated expiration: 2039-09-25
Also published as: CN110465632A

Abstract

The invention discloses a sand box cooling device, which adopts the technical scheme that: the sand box automatic cleaning device comprises a spraying box, a drying box and a guide rail above the spraying box and the drying box, wherein an electric block is arranged on the guide rail, spraying equipment for spraying water to a sand box is arranged in the spraying box, a water storage box is arranged below the spraying box, a water pump for supplying water to the spraying equipment is arranged in the water storage box, and a recycling and filtering mechanism is arranged between the spraying box and the water storage box. In the sand box of high temperature was driven to spray the case by electric block, spraying equipment took out the water in the cistern through the water pump and sprayed the sand box on, retrieved filter mechanism and collected the spray water, filtered and filtered to discharge the spray water again after the sand grain that mixes in aqueous back to the cistern in, the sand box after the cooling goes to the stoving case again and carries out the stoving to the sand box surface under electric block's drive. The movement of the electric block, the water pumping of the water pump and the starting of the drying box are controlled by the PLC in the whole cooling process, the automation degree is high, the participation of workers is reduced, and the production efficiency is improved.

Description

Sand box cooling device

Technical Field

The invention relates to the technical field of casting, in particular to a sand box cooling device.

Background

The 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 can be divided into two categories of ordinary sand casting and special casting. The common sand casting utilizes sand as a casting mold material, and the cost of the common sand casting is lower because the used sand can be reused.

The sand box is a technological device used in sand casting, and the casting is required to be molded and poured in the sand box in the casting production process, and the casting can be taken out after the casting is cooled and formed after the pouring is finished. However, after casting is completed, the temperature of the sand box is slowly reduced, and the sand box can be opened and cleaned after a long time, so that the sand box is often cooled in actual production, the cooling of the sand mould is accelerated, the production efficiency is improved, and the production period of the casting is shortened.

At present, chinese patent with publication number CN107695308B discloses a sand box cooling device, it is including the box that has the inner cavity structure, the box includes the diapire, lateral wall and roof, be equipped with the venthole on the lateral wall, the roof is equipped with the sand box journal stirrup, place the sand box in the inner chamber of box, the sand box passes through the sand box journal stirrup and hangs on the box roof, the both ends of sand box all are equipped with the annular cooling hole, be equipped with the pivot of vertical arrangement in the inner chamber of box, the external motor of one end of pivot, the other end of pivot is equipped with propeller blade, propeller blade is located the below of sand box, be equipped with the horizontal pole support in the pivot that is located propeller blade below, the left and right both ends of horizontal pole support all are equipped with the plastic box that has the dry ice in, the one end towards the sand box all is equipped with the striae hole on two plastic boxes, and.

The above patent uses the low temperature carbon dioxide gas formed after the dry ice is gasified to reduce the air temperature around the sand box, thereby accelerating the cooling speed of the sand box. However, since dry ice is easy to sublimate, the dry ice placed in the sand box cooling device is consumed every time the sand box is cooled, so that the dry ice needs to be filled into the plastic box every time, and the operation is complicated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a sand box cooling device which has the advantages of high automation degree and reduction of the operation of workers.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a sand box cooling device, includes sprays case, stoving case, is in the guide rail that sprays case and stoving case top, be equipped with electric block on the guide rail, it is equipped with the equipment that sprays water to the sand box to spray the incasement, the below that sprays the case is equipped with the water storage box, be equipped with the water pump that supplies water to the equipment that sprays in the water storage box, it still is equipped with the recovery filter mechanism that is used for water resource reutilization to spray between case and the water storage box, the sand box loops through under electric block's drive and sprays case and stoving case.

Through above-mentioned technical scheme, the sand box of high temperature is driven by electric block to spray the case, and spraying equipment takes out the water in with the cistern through the water pump and sprays on the sand box, retrieves filter mechanism and collects the shower water, discharges the shower water back to in the cistern again after filtering the sand grain that mixes in the aquatic, and the sand box after the water-cooling goes to the stoving case again and carries out the stoving to the sand box surface under electric block's drive. The movement of the electric block, the water pumping of the water pump and the starting of the drying box can be controlled by the PLC in the whole cooling process, so that the automation degree of the whole cooling device is high, the participation of workers is reduced, and the production efficiency is improved.

Preferably, retrieve filtering mechanism including set up at the water-collecting tray that sprays the bottom of the case, set up at the water strainer dish of stoving incasement, connect raceway between water-collecting tray and water strainer dish, connect the wet return between water strainer dish and water storage box, be equipped with a plurality of filtration pores that are used for the infiltration on the water strainer dish, the wet return is close to one of water strainer dish and serves and is equipped with the funnel that catchments, and catchments the funnel and be in all filtration pores under, the water-collecting tray is in the side top of water strainer dish, the water strainer dish is in the side top of water storage box.

Through above-mentioned technical scheme, the sand grain that separates from the sand box in the in-process that sprays can be along with on the spray water enters into the water strainer tray through the raceway together to realize the primary separation of sand grain and water in the water strainer tray, when treating that the sand box gets into the stoving case under electric block's drive, the sand grain in the water strainer tray can be together dried with the sand box, so that the sand grain in the water strainer tray is retrieved and is recycled.

Preferably, the spraying box comprises two first sliding plates blocking the moving path of the electric hoist, the two first sliding plates are respectively connected to the side walls of the two sides of the spraying box in a sliding manner, and the sliding direction of the first sliding plates is perpendicular to the length direction of the guide rail; the drying box comprises two second sliding plates which block the moving path of the electric hoist, the two second sliding plates are respectively connected to the side walls of the two sides of the drying box in a sliding manner, and the sliding direction of the second sliding plates is perpendicular to the length direction of the guide rail; the drying box is provided with a first driving assembly for driving the two first sliding plates to move, and the drying box is provided with a second driving assembly for driving the two second sliding plates to move.

Through the technical scheme, when the electric hoist drives the sand box to move, the first sliding plate is moved away from the moving path of the electric hoist, so that the sand box can be directly translated and enter the spraying box, the first sliding plate is reset to play a role in retaining water, and when the spraying is finished and the drying is to be carried out, the first sliding plate is opened again; similarly, the second sliding plate can also correspondingly slide, so that a convenient moving channel is provided for the sand box to enter or move out of the drying box. The electric hoist does not need to be additionally lifted, so that the control on the electric hoist is reduced, and the automatic control is simpler.

Preferably, the water collecting tray is funnel-shaped, and the top opening area of the water collecting tray is larger than the cross-sectional area of the inner cavity of the spraying box.

Through above-mentioned technical scheme, spraying the in-process, first sliding plate and the lateral wall that sprays the case all play the effect of manger plate, and spray the shower water that first sliding plate or spray on the inside wall of case and can be landing under the action of gravity, and finally this part of water can drip in the water catch tray, improves the rate of recovery to the shower water, reduces the unnecessary consumption to the water resource.

Preferably, the first driving assembly comprises two racks, a motor, a transmission part and two gears, the two racks are respectively mounted on the two first sliding plates, the length direction of the racks is the same as the sliding direction of the first sliding plates, the two gears are respectively meshed and connected with the two racks, and the motor synchronously drives the two gears to rotate in the same direction through the transmission part; the structure of the second driving assembly is the same as that of the first driving assembly.

Through the technical scheme, when the motor in the first driving assembly rotates, the two first sliding plates can move correspondingly, and the moving directions of the two first sliding plates can be controlled by controlling the rotating direction of the motor; in the same way, the motor in the second driving component can synchronously drive the movement of the two first sliding plates.

Preferably, the transmission part comprises a rotating rod rotatably connected to the spray box body, a driven bevel gear coaxially connected to the rotating rod, and a driving bevel gear coaxially connected to the motor output shaft, wherein the two ends of the rotating rod are respectively and coaxially connected with the two gears, and the driving bevel gear is meshed with the driven bevel gear.

Through above-mentioned technical scheme, when the output shaft of motor rotated, initiative bevel gear drove driven bevel gear and rotates to the rotation of drive dwang, two gears rotated along with the dwang is synchronous, and then drove the syntropy of two racks and remove.

Preferably, the top of the drying box is provided with two shielding plates, the two shielding plates are respectively fixed on the side walls of the two sides of the drying box adjacent to the second sliding plate, and a channel for the electric block to pass through is arranged between the two shielding plates.

Through above-mentioned technical scheme, the lateral wall cooperation of shielding plate and stoving case constitutes a relative semi-inclosed environment, and the thermal lapse speed of stoving incasement reduces as far as possible improves the stoving efficiency of stoving case to the sand box, reduces the use of the electric power energy.

Preferably, the spraying equipment comprises four spraying pipes, the four spraying pipes are vertically fixed on four corners of the spraying box respectively and are communicated with the water pump, a plurality of spraying heads are arranged on the spraying pipes along the length direction, included angles of the spraying heads and the spraying pipes in the vertical direction can be adjusted, and the spraying heads face one side of the center of the spraying box.

Through the technical scheme, in order to achieve a quicker cooling effect, the included angles of the spray heads on the same spray pipe in the vertical direction are different, so that the sand box is cooled more comprehensively; and the shape of the sand box which can be cooled according to actual needs can be correspondingly adjusted, so that the water cooling efficiency is improved.

In summary, compared with the prior art, the beneficial effects of the invention are as follows:

1. the sand box is water-cooled by arranging the spraying box and the drying box, so that the operation is simple, additional preparation is not needed, and the water-cooling operation can be continuously performed for a long time;

2. by arranging the recovery filtering mechanism, the spray water mixed with the sand grains is filtered, so that the spray water and the sand grains are conveniently recycled, and the resource utilization rate is improved;

3. through setting up electric block, first drive assembly and second drive assembly, make things convenient for the sand box to spray the removal between case and the stoving case, degree of automation is high, further reduces staff's operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic partial structure diagram of a drying box in the embodiment;

fig. 4 is a partial sectional view of the embodiment.

Reference numerals: 1. a spray box; 11. a first sliding plate; 12. a spray body; 2. a drying box; 21. a second sliding plate; 22. drying the main body; 23. a shielding plate; 3. a water storage tank; 31. a water pump; 4. a guide rail; 41. an electric hoist; 5. a shower pipe; 51. a shower head; 6. a recovery filtering mechanism; 61. a water collection tray; 62. a water filtering disc; 63. a water delivery pipe; 64. a water return pipe; 65. a water collection funnel; 7. a first drive assembly; 71. a rack; 72. a motor; 73. a gear; 74. a transmission member; 741. rotating the rod; 742. a drive bevel gear; 743. a driven bevel gear; 8. a second drive assembly; 9. a heater.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A sand box cooling device is shown in figure 1 and comprises a spraying box 1, a water storage box 3, a drying box 2 and a guide rail 4, wherein the spraying box 1 is supported on the ground through a support, the water storage box 3 is arranged below the spraying box 1, the drying box 2 is arranged on one side of the spraying box 1, the guide rail 4 is arranged above the spraying box 1 and the drying box 2, and a recovery filtering mechanism 6 is arranged between the spraying box 1 and the drying box 2. An electric hoist 41 is arranged on the guide rail 4, and the electric hoist 41 carries the sand box to sequentially pass through the spraying box 1 and the drying box 2 so as to complete cooling of the sand box.

Referring to fig. 1, the spray box 1 includes a spray main body 12, and two first sliding plates 11 slidably connected to the spray main body 12, and the two first sliding plates 11 are sequentially and transversely intercepted on a moving path of the electric hoist 41, and the spray main body 12 is surrounded by two long and two short side plates alternately. The bottom of the first sliding plate 11 is provided with a sliding strip, the tops of two short side plates in the spraying main body 12 are provided with sliding grooves matched with the sliding strip, and the length direction of the sliding strip is perpendicular to the length direction of the guide rail 4. The top of one long side plate of the main spray body 12 is provided with a first driving assembly 7 for driving the two first sliding plates 11 to move.

Referring to fig. 1 and 2, the first driving assembly 7 includes two racks 71, a motor 72, a transmission member 74 and two gears 73, the transmission member 74 includes a rotation rod 741 rotatably connected to the top of the corresponding long side plate, a driven bevel gear 743 coaxially connected to the rotation rod 741, and a driving bevel gear 742 coaxially connected to an output shaft of the motor 72, the rotation rod 741 is located on the top of the shower main body 12, two ends of the rotation rod 741 are rotatably connected to the two gears 73, the two racks 71 are respectively mounted on the top of the two first sliding plates 11, the length direction of the racks 71 is the same as the sliding direction of the first sliding plates 11, and the two racks 71 are respectively engaged with the two gears 73. The motor 72 is fixed on the outer side wall of the corresponding long side plate, the output shaft of the motor 72 is vertically upward and close to the rotating rod 741, and the driving bevel gear 742 and the driven bevel gear 743 are engaged with each other.

Referring to fig. 1 and 3, the drying box 2 includes a drying main body 22, two second sliding plates 21 slidably connected to the drying main body 22, and the two second sliding plates 21 are sequentially and transversely intercepted on a moving path of the electric block 41. The bottom of the drying main body 22 is provided with the heater 9, the top of the drying main body 22 is provided with a top plate, the top plate is composed of two shielding plates 23, and a channel for the electric hoist 41 to pass through is arranged between the two shielding plates 23. Two notches matched with the second sliding plate 21 are arranged on the side wall of the drying main body 22. When the second sliding plate 21 is moved to the position of the notch, the entire side wall of the drying box 2 is intact. The bottom of the second sliding plate 21 is provided with a sliding bar, a sliding groove matched with the sliding bar is arranged on the contact surface of the drying main body 22 and the second sliding plate 21, and the length direction of the sliding groove is perpendicular to the length direction of the guide rail 4.

Referring to fig. 1, a second driving assembly 8 having the same structure as the first driving assembly 7 is disposed on the top of the drying box 2, and the second driving assembly 8 is used for synchronously driving the two second sliding plates 21 to move.

Referring to fig. 1 and 4, the recycling filter device includes a water collecting tray 61 mounted on the bracket, a water filtering tray 62 disposed in the drying box 2, a water pipe 63 connected between the water collecting tray 61 and the water filtering tray 62, a water collecting funnel 65 positioned below the water filtering tray 62, and a water returning pipe 64 connected between the water collecting funnel 65 and the water storage box 3. The water collection tray 61 is located right below the spray main body 12, the water collection tray 61 is funnel-shaped, and the maximum area of the top opening of the water collection tray 61 is larger than the cross-sectional area of the inside of the spray main body 12. The water filtering tray 62 is vertically positioned between the water storage tank 3 and the water collecting tray 61, one end of the water pipe 63 is connected to the bottom center of the water collecting tray 61, and the other end of the water pipe 63 is inclined downwards and extends to the upper side of the water filtering tray 62. The water filtering tray 62 is provided with a plurality of filtering holes for water seepage, the filtering holes are uniformly distributed on the water filtering tray 62, and the upper opening of the water collecting funnel 65 can receive filtered water dripping from any filtering hole. One end of the return pipe 64 is connected to the bottom center of the water collecting funnel 65, and the other end of the return pipe 64 is inclined downward and connected to the top of the sidewall of the water storage tank 3.

Referring to fig. 1 and 4, a spraying device for spraying water to the sand box is arranged in the spraying tank 1, and a water pump 31 for supplying water to the spraying device is arranged in the water storage tank 3. The spraying equipment comprises four spraying pipes 5, the four spraying pipes 5 are respectively fixed on four corners in the spraying main body 12, and the spraying pipes 5 are arranged along the vertical direction and are all communicated with the water pump 31. A plurality of spray headers 51 are arranged on the spray pipes 5 along the length direction, all the spray headers 51 face one side of the center of the spray box 1, and the included angle between each spray header 51 and the corresponding spray pipe 5 in the vertical direction can be adjusted. In the embodiment, three spray headers 51 are arranged on each spray pipe 5, the three spray headers 51 are respectively arranged at the top, the middle and the bottom of the spray pipe 5, the spray header 51 arranged at the top of the spray pipe 5 faces the top of the sand box, the spray header 51 arranged at the bottom of the spray pipe 5 faces the bottom of the sand box, and the angle of the spray header 51 arranged at the middle can be set arbitrarily.

In actual operation, the first sliding plate 11 and the second sliding plate 21 are driven by the corresponding motors 72 to be not blocked on the moving path of the electric hoist 41. The electric block 41 lifts the sand box with high temperature and sends the sand box into the spraying box 1, and the first sliding plate 11 is reset to enclose the sand box in the spraying box 1. Then the water pump 31 is started, cooling water is sprayed out from the spray header 51 to cool the sand box, and the dripping spray water is firstly collected by the water collecting tray 61 and is sent into the water filtering tray 62 through the water conveying pipe 63. The sand in the spray water is caught by the strainer tray 62 and the remaining water falls into the catch funnel 65 and is returned to the reservoir 3 through the return pipe 64. After the water cooling is finished, the first sliding plate 11 is opened again, the electric block 41 drives the sand box to enter the drying box 2, the second sliding plate 21 is closed again, the heater 9 is started, after the sand grains in the water filtering disc 62 and the moisture on the surface of the sand box are dried, the sand box is taken out of the drying box 2 by the electric block 41 to perform the next sand falling operation, and the sand grains on the water filtering disc 62 are collected for subsequent reuse.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides a sand box cooling device which characterized in that: the sand box drying machine comprises a spraying box (1), a drying box (2) and a guide rail (4) which is arranged above the spraying box (1) and the drying box (2), wherein an electric hoist (41) is arranged on the guide rail (4), spraying equipment for spraying water to a sand box is arranged in the spraying box (1), a water storage box (3) is arranged below the spraying box (1), a water pump (31) for supplying water to the spraying equipment is arranged in the water storage box (3), a recycling and filtering mechanism (6) for secondary utilization of water resources is also arranged between the spraying box (1) and the water storage box (3), and the sand box is driven by the electric hoist (41) to sequentially pass through the spraying box (1) and the drying box (2);

retrieve filtering mechanism (6) including setting up at water-collecting tray (61) that sprays case (1) bottom, setting up filter tray (62) in stoving case (2), connecting raceway (63) between water-collecting tray (61) and filter tray (62), connecting wet return (64) between filter tray (62) and water storage box (3), be equipped with a plurality of filtration pores that are used for the infiltration on filter tray (62), wet return (64) are close to one of filter tray (62) and serve and be equipped with water collecting funnel (65), and water collecting funnel (65) are in all under filtering the pore, water-collecting tray (61) are in the side top of filter tray (62), filter tray (62) are in the side top of water storage box (3).

2. The flask cooling apparatus of claim 1, wherein: the spraying box (1) comprises two first sliding plates (11) blocked on the moving path of the electric hoist (41), the two first sliding plates (11) are respectively connected to the side walls of the two sides of the spraying box (1) in a sliding mode, and the sliding direction of the first sliding plates (11) is perpendicular to the length direction of the guide rail (4); the drying box (2) comprises two second sliding plates (21) blocked on the moving path of the electric hoist (41), the two second sliding plates (21) are respectively connected to the side walls of the two sides of the drying box (2) in a sliding mode, and the sliding direction of the second sliding plates (21) is perpendicular to the length direction of the guide rail (4); the drying box is characterized in that a first driving assembly (7) for driving the two first sliding plates (11) to move is arranged on the spraying box (1), and a second driving assembly (8) for driving the two second sliding plates (21) to move is arranged on the drying box (2).

3. The flask cooling apparatus of claim 2, wherein: the water collecting tray (61) is funnel-shaped, and the open area at the top of the water collecting tray (61) is larger than the cross-sectional area of the inner cavity of the spraying box (1).

4. The flask cooling apparatus of claim 2, wherein: the first driving assembly (7) comprises two racks (71), a motor (72), a transmission piece (74) and two gears (73), the two racks (71) are respectively installed on the two first sliding plates (11), the length direction of the racks (71) is the same as the sliding direction of the first sliding plates (11), the two gears (73) are respectively meshed and connected with the two racks (71), and the motor (72) synchronously drives the two gears (73) to rotate in the same direction through the transmission piece (74); the second driving assembly (8) has the same structure as the first driving assembly (7).

5. The flask cooling apparatus of claim 4, wherein: the transmission piece (74) comprises a rotating rod (741) rotatably connected to a box body of the spraying box (1), a driven bevel gear (743) coaxially connected to the rotating rod (741), and a driving bevel gear (742) coaxially connected to an output shaft of the motor (72), wherein two ends of the rotating rod (741) are respectively and coaxially connected with two gears (73), and the driving bevel gear (742) and the driven bevel gear (743) are meshed and connected with each other.

6. The flask cooling apparatus of claim 2, wherein: the top of the drying box (2) is provided with two shielding plates (23), the two shielding plates (23) are respectively fixed on the side walls of the two sides of the drying box (2) adjacent to the second sliding plate (21), and a channel for the electric block (41) to pass through is arranged between the two shielding plates (23).

7. The flask cooling apparatus of claim 1, wherein: the spraying equipment comprises four spraying pipes (5), wherein the four spraying pipes (5) are vertically fixed on four corners of a spraying box (1) respectively and are communicated with a water pump (31), a plurality of spraying heads (51) are arranged on the spraying pipes (5) along the length direction, included angles of the spraying heads (51) and the spraying pipes (5) in the vertical direction can be adjusted, and the spraying heads (51) face one side of the center of the spraying box (1).