CN219724556U - Sand mold demolding mechanism - Google Patents

Abstract

The utility model discloses a sand mold demoulding mechanism which comprises a base, a plurality of groups of supporting legs, a lifting assembly and a sand box, wherein the plurality of groups of supporting legs are uniformly fixed at the bottom end of the base, the lifting assembly is arranged at the top end of the base and used for driving the sand box to move up and down, a mold cavity is arranged in the sand box, openings are formed in the upper end and the lower end of the sand box, the sand mold demoulding mechanism further comprises a mounting plate, a water tank, a plurality of groups of first cooling fins, a stirring mechanism, a water circulation assembly and a metal heat conducting plate, the mounting plate is fixed at the bottom of the plurality of groups of supporting legs, and the water tank is fixed at the top end of the mounting plate. According to the utility model, through stirring the water in the water tank, the flow of the water is quickened, so that the heat absorbed by the water in the water tank is quickly transferred to the first radiating fins, the water can be quickly cooled down, the water in the water tank can be effectively subjected to heat exchange with the metal heat-conducting plate, the heat exchange efficiency is ensured, and the cooling and demoulding efficiency of castings in the sand box is further ensured.

Description

Sand mold demolding mechanism

Technical Field

The utility model relates to the technical field of demolding mechanisms, in particular to a sand mold demolding mechanism.

Background

In the sand casting, an important component part of a demoulding mechanism in the sand casting process is searched for, and in a patent document with the publication number of CN218555487U, a sand casting mould is provided, and comprises a base device for bearing and lifting up a sand mould to finish demoulding, wherein the top of the base device is provided with a base device for bearing positioning and circulating cooling liquid, the bottom of the base device is provided with a transfer device for providing translational power to finish plugging and unplugging installation, and the top of the base device is provided with a mould body device for performing mould closing casting and splicing to form a cooling liquid flow channel; the base device comprises a bearing frame, two hydraulic cylinders are symmetrically arranged in the middle of the bearing frame, and push plates are arranged on the hydraulic cylinders; the die body device comprises a lower die body, four positioning frames are uniformly and fixedly arranged at four corners of the lower die body, a lower flow channel is arranged at the top of the lower die body, a sealing frame is fixedly arranged on the lower die body, an upper die body is arranged above the lower die body, an upper flow channel is arranged at the bottom of the upper die body, cooling water is injected into the upper flow channel and the lower flow channel, cooling of the die body is achieved, and therefore demoulding is achieved; however, in the use process, the cooling water of the device is slower in cooling speed in the cooling box, so that the heat exchange efficiency between the cooling water in the subsequent flow passage and the die body is reduced, and the demolding efficiency of the subsequent casting is reduced, and the sand mold demolding mechanism is provided to solve the problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a sand mold demolding mechanism for improving cooling demolding efficiency of castings in a sand box.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The sand mold demoulding mechanism comprises a base, a plurality of groups of supporting legs, a lifting assembly and a sand box, wherein the plurality of groups of supporting legs are uniformly fixed at the bottom end of the base, the lifting assembly is installed at the top end of the base and used for driving the sand box to move up and down, a die cavity is formed in the sand box, openings are formed in the upper end and the lower end of the sand box, the sand mold demoulding mechanism further comprises a mounting plate, a water tank, a plurality of groups of first cooling fins, a stirring mechanism, a water circulation assembly and a metal heat conducting plate, the mounting plate is fixed at the bottom of the plurality of groups of supporting legs, the water tank is fixed at the top end of the mounting plate, a filling drain pipe is arranged at the rear end of the water tank, the plurality of groups of first cooling fins are uniformly and symmetrically fixed at the front end and the rear end of the water tank, the stirring mechanism is installed on the water tank, the stirring mechanism is used for accelerating the flow of water, cold water in the water circulation assembly can exchange with heat on the metal heat conducting plate, the metal heat conducting plate is installed on the base, and the top end of the metal heat conducting plate is level with the top end of the base; the lifting assembly drives the sand box to move downwards, so that the sand box is in contact with the metal heat conducting plate, casting raw materials are poured into the sand box for cooling forming, in the process, the water circulation assembly is started, water in the water tank flows in the water circulation assembly in a circulating mode, heat exchange is conducted on heat transferred from water in the water circulation assembly to the metal heat conducting plate through castings in the sand box, the castings in the sand box are cooled down so as to be demolded, the stirring mechanism stirs the water in the water tank, the water is accelerated to flow, the heat absorbed in the water can be quickly transferred to the first radiating fin and is emitted to the outside, so that the water can be quickly cooled down, the water in the water tank can be effectively exchanged with the metal heat conducting plate, heat exchange efficiency is guaranteed, and cooling demolding efficiency of the castings in the sand box is further guaranteed.

Preferably, the stirring mechanism comprises a motor, a rotating shaft, a plurality of groups of hollow worms, a plurality of groups of worm wheels, a plurality of groups of stirring shafts, a plurality of groups of rotating discs and a plurality of groups of stirring blades, wherein the motor is fixed at the right end of the water tank, the output end of the motor is connected with the rotating shaft, the rotating shaft is rotationally connected with the water tank, the plurality of groups of hollow worms are uniformly and fixedly sleeved on the rotating shaft, the hollow worms are in meshed transmission connection with the worm wheels, the worm wheels are fixed on the stirring shafts, the plurality of groups of stirring shafts are uniformly and rotationally connected with the inner side walls of the tops of the sand boxes, the rotating discs are fixed at the bottom ends of the stirring shafts, and the plurality of groups of stirring blades are uniformly fixed at the bottom ends of the plurality of groups of rotating discs; the motor drives the rotation shaft to rotate, so that the rotation shaft drives a plurality of groups of hollow worms to rotate simultaneously, the hollow worms are in meshed transmission connection with the worm wheel, the stirring shaft is enabled to rotate, the stirring shaft is enabled to drive the rotating disc and the stirring blade to rotate, water inside the water tank is stirred through the stirring blade, flow of the water is accelerated, heat absorbed by the water inside the water tank is quickly transferred onto the first radiating fin, heat dissipation efficiency of the water inside the water tank is improved, water inside the water tank can be enabled to exchange heat effectively with the metal heat conducting plate, and cooling and demolding efficiency of castings in the sand box is further ensured.

Preferably, the water circulation assembly comprises a circulating water pump, a connecting pipe and a heat exchange pipe, wherein the circulating water pump is fixed at the bottom of the left end of the water tank, the output end of the circulating water pump is connected with the connecting pipe, the other end of the connecting pipe is communicated with the heat exchange pipe, the heat exchange pipe is fixed at the top end of the base and is contacted with the bottom end of the metal heat conducting plate, and the other end of the heat exchange pipe is communicated with the right side of the top end of the water tank; starting a circulating water pump, sucking water in the water tank into the heat exchange pipe through the cooperation of the circulating water pump and the connecting pipe, and flowing the water back into the water tank through the heat exchange pipe, so that the water circularly flows in the metal heat conduction plate, and the water in the heat exchange pipe and the heat on the metal heat conduction plate exchange heat in the process, thereby indirectly cooling castings in the sand box, facilitating the demolding of the subsequent castings and providing power for the circulation flow of the water.

Preferably, the lifting assembly comprises a plurality of groups of supporting rods, a top plate, two groups of hydraulic cylinders and two groups of connecting blocks, wherein the plurality of groups of supporting rods are uniformly arranged at the top end of the base, the top plate is fixed at the top end of the supporting rods, the two groups of hydraulic cylinders are respectively and symmetrically fixed at the left side and the right side of the top end of the top plate, the output ends of the hydraulic cylinders are connected with the connecting blocks, and the two groups of connecting blocks are respectively and symmetrically fixed at the left end and the right end of the sand box; the connecting block is driven to move up and down through the hydraulic cylinder, so that the connecting block drives the sand box to move up and down, the castings in the sand box can transfer heat to the metal heat-conducting plate, the follow-up sand box is convenient to separate from the castings, and power is provided for the up and down movement of the sand box.

Preferably, the sand box further comprises two groups of heat collecting plates, a plurality of groups of heat conducting rods and a plurality of groups of second cooling fins, wherein the two groups of heat collecting plates are respectively and symmetrically fixed at the front end and the rear end of the sand box, the plurality of groups of heat conducting rods are uniformly fixed at the outer side ends of the two groups of heat collecting plates, and the plurality of groups of second cooling fins are uniformly and symmetrically fixed at the outer side ends of the plurality of groups of heat conducting rods; the heat of the castings in the sand boxes is collected through the heat collecting plates, the heat is transferred to the second radiating fins through the heat conducting rods to be radiated, the efficiency of radiating the heat of the castings in the sand boxes is further improved, and therefore the demolding efficiency of the castings in the sand boxes is improved.

Preferably, the water tank further comprises a sealing ring, wherein the sealing ring is fixed at the joint of the rotating shaft and the water tank; by arranging the sealing ring, water in the water tank is prevented from leaking from the joint of the rotating shaft and the water tank, and the tightness of the device is improved.

Preferably, the motor is a noise reduction motor; noise pollution is reduced and the using effect of the device is improved by arranging the silencing motor.

By adopting the technical scheme, the utility model has the following technical progress.

According to the utility model, the sand box is driven to move downwards through the lifting assembly, so that the sand box is in contact with the metal heat-conducting plate, and the casting raw material is poured into the sand box for cooling forming, in the process, the water circulation assembly is started, so that water in the water tank flows circularly in the water circulation assembly, heat exchange is carried out between the water in the water circulation assembly and heat transferred from the casting in the sand box to the metal heat-conducting plate, so that the casting in the sand box is cooled down for demoulding, the stirring mechanism stirs the water in the water tank, the flow of the water is accelerated, so that the heat absorbed in the water can be quickly transferred to the first radiating fin and radiated to the outside, the water can be quickly cooled down, the water in the water tank can be effectively exchanged with the metal heat-conducting plate, the heat exchange efficiency is ensured, and the cooling demoulding efficiency of the casting in the sand box is further ensured.

Drawings

FIG. 1 is a schematic view of a first axial measurement and a partial cross-sectional structure thereof according to the present utility model;

FIG. 2 is a schematic view of a second axial structure of the present utility model;

FIG. 3 is a front view and partially cut-away schematic illustration of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present utility model;

wherein: 1. a base; 2. support legs; 3. a sand box; 4. a mounting plate; 5. a water tank; 6. a first heat sink; 7. a metal heat-conducting plate; 8. a motor; 9. a rotating shaft; 10. a hollow worm; 11. a worm wheel; 12. a stirring shaft; 13. a rotating disc; 14. stirring blades; 15. a circulating water pump; 16. a connecting pipe; 17. a heat exchange tube; 18. a support rod; 19. a top plate; 20. a hydraulic cylinder; 21. a connecting block; 22. a heat collecting plate; 23. a heat conduction rod; 24. a second heat sink; 25. and (3) sealing rings.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

Example 1

The utility model provides a sand mould demoulding mechanism, is shown as fig. 1, 3 and 4, includes base 1, multiunit supporting leg 2, lifting unit and sand box 3, and multiunit supporting leg 2 evenly fixes in the bottom of base 1, and lifting unit installs on the top of base 1, and lifting unit is used for driving sand box 3 and reciprocates, and sand box 3 inside is provided with the die cavity to sand box 3's upper and lower both ends are provided with the opening.

The embodiment further comprises a mounting plate 4, a water tank 5, a plurality of groups of first cooling fins 6, a stirring mechanism, a water circulation assembly and a metal heat conducting plate 7, wherein the mounting plate 4 is fixed at the bottom of the plurality of groups of supporting legs 2, the water tank 5 is fixed at the top end of the mounting plate 4, the rear end of the water tank 5 is provided with a filling pipe, and the plurality of groups of first cooling fins 6 are uniformly and symmetrically fixed at the front end and the rear end of the water tank 5.

The stirring mechanism comprises a motor 8, a rotating shaft 9, a plurality of groups of hollow worms 10, a plurality of groups of worm wheels 11, a plurality of groups of stirring shafts 12, a plurality of groups of rotating discs 13 and a plurality of groups of stirring blades 14, wherein the motor 8 is fixed at the right end of the water tank 5, the output end of the motor 8 is connected with the rotating shaft 9, the rotating shaft 9 is rotationally connected with the water tank 5, the plurality of groups of hollow worms 10 are uniformly fixed and sleeved on the rotating shaft 9, the hollow worms 10 are in meshed transmission connection with the worm wheels 11, the worm wheels 11 are fixed on the stirring shafts 12, the plurality of groups of stirring shafts 12 are uniformly rotationally connected with the inner side walls at the top ends of the sand boxes 3, the rotating discs 13 are fixed at the bottom ends of the stirring shafts 12, and the plurality of groups of stirring blades 14 are uniformly fixed at the bottom ends of the plurality of groups of rotating discs 13.

The cold water in the water circulation assembly can exchange heat with the metal heat-conducting plate 7, the metal heat-conducting plate 7 is arranged on the base 1, and the top end of the metal heat-conducting plate 7 is level with the top end of the base 1; the sand box 3 is driven to move downwards through the lifting component, the sand box 3 is in contact with the metal heat-conducting plate 7, and casting raw materials are poured into the sand box 3 for cooling forming, in the process, the water circulation component is started, water in the water tank 5 flows in the water circulation component, heat exchange is carried out between the water in the water circulation component and heat of the metal heat-conducting plate 7 transmitted by castings in the sand box 3, cooling is carried out on the castings in the sand box 3 so as to facilitate demolding, the motor 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the plurality of groups of hollow worms 10 to rotate simultaneously, the hollow worms 10 are in meshed transmission connection with the worm wheel 11, the stirring shaft 12 rotates, the stirring shaft 12 drives the rotating disc 13 and the stirring blades 14 to stir the water in the water tank 5 through the stirring blades 14, the flow of the water tank 5 is accelerated, heat absorbed by the water in the water tank 5 is quickly transmitted to the first radiating fins 6, the water in the water tank 5 can be effectively exchanged with the metal heat-conducting plate 7, heat exchange efficiency of demolding is ensured, and the efficiency of cooling of the castings in the sand box 3 is ensured.

Example 2

The utility model provides a sand mould demoulding mechanism, as shown in fig. 1 and 3, including base 1, multiunit supporting leg 2, lifting unit, sand box 3, mounting panel 4, water tank 5, multiunit first fin 6, rabbling mechanism, hydrologic cycle subassembly and metal heat-conducting plate 7, multiunit supporting leg 2 is evenly fixed in the bottom of base 1, and lifting unit installs on the top of base 1, and lifting unit is used for driving sand box 3 and reciprocates, and sand box 3 inside is provided with the die cavity to sand box 3's upper and lower both ends are provided with the opening.

The mounting panel 4 is fixed in the bottom of multiunit supporting leg 2, and water tank 5 is fixed on the top of mounting panel 4, and water tank 5 rear end is provided with annotates the calandria to multiunit first fin 6 is evenly symmetrical to be fixed at the front and back both ends of water tank 5, and rabbling mechanism installs on water tank 5, and rabbling mechanism is used for accelerating the flow of water, and the cold water in the hydrologic cycle subassembly can exchange with the heat on the metal heat-conducting plate 7, and metal heat-conducting plate 7 is installed on base 1, and the top of metal heat-conducting plate 7 flushes with the top of base 1.

The embodiment further comprises two groups of heat collecting plates 22, a plurality of groups of heat conducting rods 23 and a plurality of groups of second radiating fins 24, wherein the two groups of heat collecting plates 22 are respectively and symmetrically fixed at the front end and the rear end of the sand box 3, the plurality of groups of heat conducting rods 23 are uniformly fixed at the outer side ends of the two groups of heat collecting plates 22, and the plurality of groups of second radiating fins 24 are uniformly and symmetrically fixed at the outer side ends of the plurality of groups of heat conducting rods 23.

According to the embodiment, the sand box 3 is driven to move downwards through the lifting assembly, the sand box 3 is in contact with the metal heat-conducting plate 7, casting raw materials are poured into the sand box 3 for cooling and forming, in the process, the water circulation assembly is started, water in the water tank 5 circulates in the water circulation assembly, heat exchange is carried out between the water in the water circulation assembly and heat transferred from castings in the sand box 3 to the metal heat-conducting plate 7, thereby cooling the castings in the sand box 3 for demoulding, meanwhile, heat of the castings in the sand box 3 is collected through the heat collecting plate 22, the heat is transferred to the second heat-conducting plate 24 through the heat-conducting rod 23, the heat dissipation efficiency of the castings in the sand box 3 is further improved, and the stirring mechanism stirs the water in the water tank 5, so that the heat absorbed in the water can be quickly transferred to the first heat-conducting plate 6 and dissipated to the outside, the water can be quickly cooled down, the water in the water tank 5 can be effectively exchanged with the metal heat-conducting plate 7, the heat exchange efficiency of the castings in the sand box is ensured, and the cooling demoulding efficiency of the castings in the sand box 3 is ensured.

As shown in fig. 1 to 4, when the utility model works, firstly, the connecting block 21 is driven to move downwards by the hydraulic cylinder 20, so that the connecting block 21 drives the sand box 3 to move downwards, the sand box 3 is contacted with the metal heat-conducting plate 7, and casting raw materials are poured into the sand box 3 for cooling molding, in the process, the circulating water pump 15 is started, water in the water tank 5 is sucked into the heat exchange tube 17 through the cooperation of the circulating water pump 15 and the connecting tube 16, and the water is returned into the water tank 5 through the heat exchange tube 17, thereby realizing the circulating flow of the water in the metal heat-conducting plate 7, at the moment, the water in the heat exchange tube 17 exchanges heat with the heat transferred from the casting in the sand box 3 to the metal heat-conducting plate 7, so that the casting in the sand box 3 is cooled down for demolding, and meanwhile, the heat of the casting in the sand box 3 is collected through the heat collecting plate 22, and the heat is transferred to the second cooling fin 24 through the heat conducting rod 23 to further accelerate the heat dissipation efficiency of the castings in the sand box 3, then the motor 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the plurality of groups of hollow worms 10 to rotate simultaneously, the hollow worms 10 are in meshed transmission connection with the worm wheel 11, the stirring shaft 12 is enabled to rotate, the stirring shaft 12 is enabled to drive the rotating disc 13 and the stirring blades 14 to rotate, the stirring blades 14 stir the water in the water tank 5, the flow of the water is accelerated, the heat absorbed by the water in the water tank 5 is quickly transferred to the first cooling fin 6, the water can be quickly cooled down, the water in the water tank 5 can be effectively subjected to heat exchange with the metal heat conducting plate 7, the heat exchange efficiency is ensured, the cooling and demolding efficiency of the castings in the sand box 3 is further ensured, then the sealing ring 25 is arranged, water in the water tank 5 is prevented from leaking from the joint of the rotating shaft 9 and the water tank 5, and the tightness of the device is improved.

The sand box 3, the first cooling fin 6, the metal heat-conducting plate 7, the motor 8, the circulating water pump 15, the hydraulic cylinder 20, the heat-collecting plate 22, the heat-conducting rod 23 and the second cooling fin 24 are purchased from the market, and are the prior art, and the person skilled in the art only needs to install and operate according to the attached using instruction, without the need of creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The utility model provides a sand mold demoulding mechanism, including base (1), multiunit supporting leg (2), lifting unit and sand box (3), multiunit supporting leg (2) evenly fix the bottom at base (1), lifting unit installs the top at base (1), lifting unit is used for driving sand box (3) and reciprocates, sand box (3) inside is provided with the die cavity, and the upper and lower both ends of sand box (3) are provided with the opening, a serial communication port, still include mounting panel (4), water tank (5), multiunit first fin (6), rabbling mechanism, hydrologic cycle subassembly and metal heat-conducting plate (7), the bottom at multiunit supporting leg (2) is fixed in mounting panel (4) is mounting panel (4), water tank (5) rear end is provided with annotates the calandria, and multiunit first fin (6) even symmetry is fixed at the front and back both ends of water tank (5), rabbling mechanism installs on water tank (5), rabbling mechanism is used for accelerating the flow of water, and the cold water in the hydrologic cycle subassembly can exchange with the heat on metal heat-conducting plate (7), metal heat-conducting plate (7) is installed on the bottom (1) and the top of metal heat-conducting plate (7) flushes.

2. The sand mold stripping mechanism according to claim 1, characterized in that the stirring mechanism comprises a motor (8), a rotating shaft (9), a plurality of groups of hollow worms (10), a plurality of groups of worm wheels (11), a plurality of groups of stirring shafts (12), a plurality of groups of rotating discs (13) and a plurality of groups of stirring blades (14), wherein the motor (8) is fixed at the right end of the water tank (5), the output end of the motor (8) is connected with the rotating shaft (9), the rotating shaft (9) is rotationally connected with the water tank (5), the plurality of groups of hollow worms (10) are uniformly fixed and sleeved on the rotating shaft (9), the hollow worms (10) are in meshed transmission connection with the worm wheels (11), the worm wheels (11) are fixed on the stirring shafts (12), the plurality of groups of stirring shafts (12) are uniformly rotationally connected with the inner side walls at the top ends of the sand boxes (3), the rotating discs (13) are fixed at the bottom ends of the stirring shafts (12), and the plurality of groups of stirring blades (14) are uniformly fixed at the bottom ends of the plurality of groups of rotating discs (13).

3. A sand mould demoulding mechanism as claimed in claim 1, characterized in that the water circulation assembly comprises a circulating water pump (15), a connecting pipe (16) and a heat exchange pipe (17), the circulating water pump (15) is fixed at the bottom of the left end of the water tank (5), the output end of the circulating water pump (15) is connected with the connecting pipe (16), the other end of the connecting pipe (16) is communicated with the heat exchange pipe (17), the heat exchange pipe (17) is fixed at the top end of the base (1) and is contacted with the bottom end of the metal heat conducting plate (7), and the other end of the heat exchange pipe (17) is communicated with the right side of the top end of the water tank (5).

4. The sand mold stripping mechanism according to claim 1, characterized in that the lifting assembly comprises a plurality of groups of supporting rods (18), a top plate (19), two groups of hydraulic cylinders (20) and two groups of connecting blocks (21), wherein the plurality of groups of supporting rods (18) are uniformly arranged at the top end of the base (1), the top plate (19) is fixed at the top end of the supporting rods (18), the two groups of hydraulic cylinders (20) are symmetrically fixed at the left side and the right side of the top end of the top plate (19) respectively, the output ends of the hydraulic cylinders (20) are connected with the connecting blocks (21), and the two groups of connecting blocks (21) are symmetrically fixed at the left end and the right end of the sand box (3) respectively.

5. The sand mold demolding mechanism according to claim 1, further comprising two groups of heat collecting plates (22), a plurality of groups of heat conducting rods (23) and a plurality of groups of second cooling fins (24), wherein the two groups of heat collecting plates (22) are symmetrically fixed at the front end and the rear end of the sand box (3) respectively, the plurality of groups of heat conducting rods (23) are uniformly fixed at the outer side ends of the two groups of heat collecting plates (22), and the plurality of groups of second cooling fins (24) are uniformly and symmetrically fixed at the outer side ends of the plurality of groups of heat conducting rods (23).

6. A sand mould demoulding mechanism as claimed in claim 2, characterized in that the sealing ring (25) is fixed at the junction of the rotating shaft (9) and the water tank (5).

7. A sand mould demoulding mechanism as claimed in claim 2, characterized in that the motor (8) is a sound-deadening motor.