CN214720325U

CN214720325U - Molding sand cooling device is used in steel casting production

Info

Publication number: CN214720325U
Application number: CN202121199385.0U
Authority: CN
Inventors: 李昊远
Original assignee: Hebei Dingsheng Metallurgical Manufacturing Co ltd
Current assignee: Hebei Dingsheng Metallurgical Manufacturing Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-16
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a molding sand cooling device is used in steel casting production, including cooling cylinder and guide dust removal mechanism, cooling cylinder top one side is equipped with the feeder hopper, the cooling cylinder lower part is awl section of thick bamboo structure, awl section of thick bamboo structure bottom is equipped with the discharge gate, coaxially in the cooling cylinder be equipped with a plurality of first umbrella-type section of thick bamboos, first umbrella-type section of thick bamboo is the umbelliform, first umbrella-type section of thick bamboo outer fringe and the sealed fixed connection of cooling cylinder inner wall, the coaxial second umbrella-type section of thick bamboo that is equipped with between two adjacent first umbrella-type sections of thick bamboos, second umbrella-type section of thick bamboo is the umbelliform, second umbrella-type section of thick bamboo passes through the mount to be fixed in the cooling cylinder, constitute the annular channel that supplies the molding sand to pass through between second umbrella-type section of thick bamboo edge and cooling cylinder. The utility model discloses an make the molding sand slide on a first umbrella-type section of thick bamboo and a second umbrella-type section of thick bamboo and cool off, set up guide dust removal mechanism in addition and can stir the molding sand, make the molding sand can fully overturn and carry out the heat transfer cooling to can inhale the raise dust that the molding sand cooling produced, dust removal effect is good, and molding sand cooling efficiency is high, reduces air pollution, economic environmental protection.

Description

Molding sand cooling device is used in steel casting production

Technical Field

The utility model relates to a casting equipment technical field, especially a molding sand cooling device is used in steel casting production.

Background

In the casting process, in order to realize the recycling of the molding sand, a molding sand cooling device is required to be used to cool the molding sand. At present, molding sand cooling device on the market generally is water-cooled molding sand cooling device, its structure generally is for setting up the cooling tube in a cooling tower body, however the molding sand is behind getting into the cooling tower body, because the molding sand can't realize turning, make some molding sand can contact the cooling tube, and another part molding sand can't contact the cooling tube, so can cause the inhomogeneous phenomenon of molding sand cooling, there is the poor shortcoming of molding sand cooling effect, influence next use, can't satisfy the refrigerated needs of molding sand, easily produce the raise dust when the molding sand cools off in addition, cause air pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and designing a molding sand cooling device for steel casting production.

The technical scheme of the utility model is that, a molding sand cooling device is used in steel casting production, including cooling cylinder and guide dust removal mechanism, the cooling cylinder bottom is supported through the landing leg, cooling cylinder top one side is equipped with the feeder hopper, the cooling cylinder lower part is the awl section of thick bamboo structure, awl section of thick bamboo structure bottom is equipped with the discharge gate, a plurality of first umbelliform section of thick bamboo are coaxially equipped with in the cooling cylinder, first umbelliform section of thick bamboo is the reverse umbrella form, first umbelliform section of thick bamboo outer fringe and cooling cylinder inner wall sealing fixed connection, first umbelliform section of thick bamboo center department is equipped with the first opening that supplies the molding sand to pass through, the coaxial second umbelliform section of thick bamboo that is equipped with between two adjacent first umbelliform section of thick bamboo, second umbelliform section of thick bamboo is the umbrella form, second umbelliform section of thick bamboo passes through the mount to be fixed in the cooling cylinder, second umbelliform the annular channel that supplies the molding sand to pass through between second umbelliform section of thick bamboo edge and the cooling cylinder; the material guiding and dust removing mechanism comprises a hollow shaft and a driving mechanism for driving the hollow shaft to rotate, a bearing and a pipe frame are installed at the top end of the cooling cylinder, the hollow shaft is rotatably installed on the cooling cylinder through the bearing, the lower end of the hollow shaft penetrates through the first opening and the second opening and extends to the lower part of the cooling cylinder, first dust removing pipes and first cleaning brushes which are in one-to-one correspondence with the first umbrella-shaped cylinders are fixedly installed on the hollow shaft and above the first umbrella-shaped cylinders, the first cleaning brushes are in contact fit with the upper surface of the first umbrella-shaped cylinders, second dust removing pipes, second cleaning brushes and protective covers which are in one-to-one correspondence with the second umbrella-shaped cylinders are fixedly installed on the hollow shaft and above the second umbrella-shaped cylinders, the second cleaning brushes are in contact fit with the upper surface of the second umbrella-shaped cylinders, the first dust removing pipes and the second dust removing pipes are communicated with a cavity of the hollow shaft, and a plurality of dust collecting holes are formed in the first dust removing pipes and the second dust removing pipes, the protection casing is located and is used for stopping the molding sand and get into the second opening directly over the second opening, is fixed with the negative pressure pipe on the pipe support, and negative pressure pipe one end is passed through universal joint and hollow shaft top intercommunication, and the negative pressure pipe other end and negative pressure source intercommunication.

Preferably, the cooling mechanism comprises a water supply pipe, a water outlet pipe, a first spiral cooling pipeline installed in the first umbrella-shaped cylinder and a second spiral cooling pipeline installed in the second umbrella-shaped cylinder, liquid inlet ends of the first spiral cooling pipeline and the second spiral cooling pipeline are both communicated with the water supply pipe, liquid outlet ends of the first spiral cooling pipeline and the second spiral cooling pipeline are both communicated with the water outlet pipe, and an input end of the water supply pipe is connected with a high-pressure cold water source.

Preferably, the driving mechanism comprises a motor frame fixed at the top end of the cooling cylinder, a rotating motor arranged on the motor frame, a driving belt pulley arranged on an output shaft of the rotating motor, a driven belt pulley arranged on the hollow shaft, and a transmission belt in transmission connection with the driving belt pulley and the driven belt pulley.

The utility model has the advantages that: through set up first umbrella-type section of thick bamboo and second umbrella-type section of thick bamboo in the cooling cylinder, the molding sand can slide on first umbrella-type section of thick bamboo and second umbrella-type section of thick bamboo and cool off, set up first cleaning brush and second cleaning brush in addition and stir the molding sand, make the molding sand can overturn and carry out the heat transfer cooling with first umbrella-type section of thick bamboo and second umbrella-type section of thick bamboo abundant contact, through setting up first dust removal pipe and second dust removal pipe, can inhale the raise dust that the molding sand cooling produced in the cooling cylinder internal rotation, and dust removal effect is good, and molding sand cooling efficiency is high, reduces air pollution, and is economic environmental protection.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a partial schematic view of the connection structure of the water supply pipe, the water outlet pipe and the first spiral cooling pipe and the second spiral cooling pipe;

in the figure, 1, a cooling cylinder; 2. a support leg; 3. a feed hopper; 4. a discharge port; 5. a first umbrella-shaped cylinder; 6. a first opening; 7. a second umbrella-shaped cylinder; 8. a fixed mount; 9. a second opening; 10. an annular channel; 11. a hollow shaft; 12. a bearing; 13. a pipe frame; 14. a first dust removal pipe; 15. a first cleaning brush; 16. a second dust removal pipe; 17. a second cleaning brush; 18. a protective cover; 19. a negative pressure tube; 20. a universal joint; 21. a water supply pipe; 22. a water outlet pipe; 23. a first spiral cooling conduit; 24. a second spiral cooling conduit; 25. a motor frame; 26. a rotating electric machine; 27. a drive pulley; 28. a driven pulley; 29. a drive belt; 30. a dust suction hole.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-3: a molding sand cooling device for production of steel castings comprises a cooling cylinder 1 and a material guiding and dedusting mechanism, wherein the bottom of the cooling cylinder 1 is supported by support legs 2, one side of the top end of the cooling cylinder 1 is provided with a feed hopper 3, the lower part of the cooling cylinder 1 is of a conical cylinder structure, the bottom of the conical cylinder structure is provided with a discharge port 4, a plurality of first umbrella-shaped cylinders 5 are coaxially arranged in the cooling cylinder 1, the first umbrella-shaped cylinders 5 are in inverted umbrella shapes, the outer edges of the first umbrella-shaped cylinders 5 are fixedly connected with the inner wall of the cooling cylinder 1 in a sealing manner, a first opening 6 for molding sand to pass through is arranged at the center of each first umbrella-shaped cylinder 5, a second umbrella-shaped cylinder 7 is coaxially arranged between every two adjacent first umbrella-shaped cylinders 5, each second umbrella-shaped cylinder 7 is in an umbrella shape, each second umbrella-shaped cylinder 7 is fixed in the cooling cylinder 1 through a fixing frame 8, the fixing frames 8 are all fixed on the inner wall of the cooling cylinder, a second opening 9 is arranged at the center of each second umbrella-shaped cylinder 7, and an annular channel 10 for molding sand to pass through is formed between the edge of each second umbrella-shaped cylinder 7 and the cooling cylinder 1; the material guiding and dust removing mechanism comprises a hollow shaft 11 and a driving mechanism for driving the hollow shaft 11 to rotate, a bearing 12 and a pipe frame 13 are installed at the top end of a cooling cylinder 1, the hollow shaft 11 is rotatably installed on the cooling cylinder 1 through the bearing 12, the lower end of the hollow shaft 11 penetrates through a first opening 6 and a second opening 9 and extends to the lower part of the cooling cylinder 1, first dust removing pipes 14 and first cleaning brushes 15 which are one-to-one corresponding to the first umbrella-shaped cylinders 5 are fixedly installed on the hollow shaft 11 and above the first umbrella-shaped cylinders 5, the first cleaning brushes 15 are in contact fit with the upper surfaces of the first umbrella-shaped cylinders 5, second dust removing pipes 16, second cleaning brushes 17 and protective covers 18 which are one-to-one corresponding to the second umbrella-shaped cylinders 7 are fixedly installed on the hollow shaft 11 and above the second umbrella-shaped cylinders 7, the second cleaning brushes 17 are in contact fit with the upper surfaces of the second umbrella-shaped cylinders 7, the first dust removing pipes 14 and the second dust removing pipes 16 are communicated with a cavity of the hollow shaft 11, the first dust removal pipe 14 and the second dust removal pipe 16 are respectively provided with a plurality of dust collection holes 30, the protective cover 18 is positioned right above the second opening 9 and used for preventing the molding sand from entering the second opening 9, the pipe frame 13 is fixedly provided with a negative pressure pipe 19, one end of the negative pressure pipe 19 is communicated with the top end of the hollow shaft 11 through a universal joint 20, and the other end of the negative pressure pipe 19 is communicated with a negative pressure source.

Preferably, the cooling mechanism comprises a water supply pipe 21, a water outlet pipe 22, a first spiral cooling pipeline 23 installed in the first umbrella-shaped cylinder 5 and a second spiral cooling pipeline 24 installed in the second umbrella-shaped cylinder 7, liquid inlet ends of the first spiral cooling pipeline 23 and the second spiral cooling pipeline 24 are both communicated with the water supply pipe 21, liquid outlet ends of the first spiral cooling pipeline 23 and the second spiral cooling pipeline 24 are both communicated with the water outlet pipe 22, and an input end of the water supply pipe 21 is connected with a high-pressure cold water source.

Preferably, the driving mechanism comprises a motor frame 25 fixed at the top end of the cooling cylinder 1, a rotating motor 26 mounted on the motor frame 25, a driving pulley 27 mounted on the output shaft of the rotating motor 26, a driven pulley 28 mounted on the hollow shaft 11, and a driving belt 29 in driving connection with the driving pulley 27 and the driven pulley 28.

The working principle of the embodiment is as follows: opening a negative pressure source and a high-pressure cold water source, wherein the negative pressure source is an exhaust fan, the exhaust fan introduces air pumped by a negative pressure pipe 19 into a dust removal device, the high-pressure cold water source supplies water to a water supply pipe 21, the water supply pipe 21 guides cold water into a first spiral cooling pipeline 23 and a second spiral cooling pipeline 24, heat exchange and temperature reduction are further carried out on a first umbrella-shaped cylinder 5 and a second umbrella-shaped cylinder 7, the water after heat exchange enters a water outlet pipe 22 and is discharged to a collection device through the water outlet pipe 22, a rotating motor 26 is started, the rotating motor 26 drives a driven belt pulley 28 and a hollow shaft 11 to rotate through a driving belt pulley 27 and a transmission belt 29, and the first dust removal pipe 14, a first cleaning brush 15, a second dust removal pipe 16, a second cleaning brush 17 and a protective cover 18 rotate together with the hollow shaft 11;

the molding sand enters the cooling cylinder 1 from the feed hopper 3 and falls onto the first umbrella-shaped cylinder 5 at the uppermost layer, the molding sand on the first umbrella-shaped cylinder 5 is stirred by the first cleaning brush 15 to be sufficiently contacted with and exchanged heat with the first umbrella-shaped cylinder 5 and to be scattered at the same time, the molding sand slides to the first opening 6 under the action of the thrust force and the self gravity of the first cleaning brush 15 and falls onto the second umbrella-shaped cylinder 7 at the lower part from the first opening 6, the molding sand which is about to fall into the second opening 9 is blocked by the protective cover 18 to prevent the molding sand from directly falling without being contacted with the second umbrella-shaped cylinder 7, the molding sand on the upper surface of the second umbrella-shaped cylinder 7 is stirred by the second cleaning brush 17 to be sufficiently contacted with and exchanged heat with the second umbrella-shaped cylinder 7, the molding sand slides to the annular channel 10 under the thrust force and the self gravity of the second cleaning brush 17 and falls onto the second umbrella-shaped cylinder 7 at the lower part from the annular channel 10, and the process is repeated until the molding sand falls from the first opening 6 at the lowermost part, the cooled molding sand is discharged out of the cooling cylinder 1 through the discharge port 4, the molding sand cooling efficiency is high, and a collecting box is placed at the discharge port 4 to collect the cooled molding sand;

during the molding sand cooling period, first dust removal pipe 14 and second dust removal pipe 16 inhale the raise dust that molding sand cooling process produced, and the raise dust is introduced the negative pressure source by hollow shaft 11, negative pressure pipe 19 to lead dust collector to collect by the negative pressure source, avoid the cooling process to produce the raise dust, reduce air pollution, economic environmental protection.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The molding sand cooling device for the production of the steel casting comprises a cooling cylinder (1) and a material guide and dust removal mechanism, and is characterized in that the bottom of the cooling cylinder (1) is supported by support legs (2), one side of the top end of the cooling cylinder (1) is provided with a feed hopper (3), the lower part of the cooling cylinder (1) is of a cone structure, the bottom of the cone structure is provided with a discharge port (4), a plurality of first umbrella-shaped cylinders (5) are coaxially arranged in the cooling cylinder (1), each first umbrella-shaped cylinder (5) is in an inverted umbrella shape, the outer edge of each first umbrella-shaped cylinder (5) is fixedly connected with the inner wall of the cooling cylinder (1) in a sealing manner, a first opening (6) for the molding sand to pass through is formed in the center of each first umbrella-shaped cylinder (5), a second umbrella-shaped cylinder (7) is coaxially arranged between every two adjacent first umbrella-shaped cylinders (5), each second umbrella-shaped cylinder (7) is in an umbrella shape, each second umbrella-shaped cylinder (7) is fixed in the cooling cylinder (1) through a fixing frame (8), a second opening (9) is formed in the center of the second umbrella-shaped cylinder (7), and an annular channel (10) for the molding sand to pass through is formed between the edge of the second umbrella-shaped cylinder (7) and the cooling cylinder (1); the material guide and dust removal mechanism comprises a hollow shaft (11) and a driving mechanism for driving the hollow shaft (11) to rotate, a bearing (12) and a pipe frame (13) are installed at the top end of a cooling cylinder (1), the hollow shaft (11) is rotatably installed on the cooling cylinder (1) through the bearing (12), the lower end of the hollow shaft (11) penetrates through a first opening (6) and a second opening (9) and extends to the lower part of the cooling cylinder (1), first dust removal pipes (14) and first cleaning brushes (15) which are in one-to-one correspondence with the first umbrella-shaped cylinders (5) are fixedly installed on the hollow shaft (11) and positioned above the first umbrella-shaped cylinders (5), the first cleaning brushes (15) are in contact fit with the upper surface of the first umbrella-shaped cylinders (5), second dust removal pipes (16), second cleaning brushes (17) and a protective cover (18) which are in one-to-one correspondence with the second umbrella-to-one second umbrella-shaped cylinders (7) are fixedly installed on the hollow shaft (11) and positioned above the second umbrella-to-each umbrella-shaped cylinders (7), second cleaning brush (17) and second umbrella-type section of thick bamboo (7) upper surface contact cooperation, first dust removal pipe (14), second dust removal pipe (16) all communicate with the cavity of hollow shaft (11), first dust removal pipe (14), all be equipped with a plurality of dust absorption holes (30) on second dust removal pipe (16), protection casing (18) are located and are used for blockking the molding sand and get into second opening (9) directly over second opening (9), be fixed with negative pressure pipe (19) on pipe support (13), negative pressure pipe (19) one end is passed through universal joint (20) and is communicated with hollow shaft (11) top, negative pressure pipe (19) other end and negative pressure source intercommunication.

2. The molding sand cooling device for the production of steel castings according to claim 1, wherein the cooling device comprises a water supply pipe (21), a water outlet pipe (22), a first spiral cooling pipeline (23) installed in the first umbrella-shaped cylinder (5) and a second spiral cooling pipeline (24) installed in the second umbrella-shaped cylinder (7), liquid inlet ends of the first spiral cooling pipeline (23) and the second spiral cooling pipeline (24) are both communicated with the water supply pipe (21), liquid outlet ends of the first spiral cooling pipeline (23) and the second spiral cooling pipeline (24) are both communicated with the water outlet pipe (22), and an input end of the water supply pipe (21) is connected with a high-pressure cold water source.

3. The sand cooling device for steel casting production according to claim 1, wherein the driving mechanism comprises a motor frame (25) fixed to the top end of the cooling cylinder (1), a rotating motor (26) mounted on the motor frame (25), a driving pulley (27) mounted on the output shaft of the rotating motor (26), a driven pulley (28) mounted on the hollow shaft (11), and a transmission belt (29) in transmission connection with the driving pulley (27) and the driven pulley (28).