CN218775606U - Lost foam casting sand cooling device - Google Patents

Abstract

The utility model discloses a lost foam casting molding sand cooling device, including cooling trough, sand storage box and first collecting box, second collecting box, cooling trough's inboard is provided with the cooling tube that runs through, cooling trough's outside both sides are provided with first support, second support respectively, the upper end of first support, second support is provided with connecting pipe, conveyer pipe respectively through the bearing, the end department of connecting pipe with the end department fixed connection of conveyer pipe, the inboard of connecting pipe, conveyer pipe is provided with first spiral delivery vane, the conveyer pipe is whole to be in the inside of cooling tube, the outside of conveyer pipe is provided with second spiral delivery vane, just a plurality of filtration pores have been seted up to the pipe wall of conveyer pipe, the utility model discloses do not have the cooling tube with the cooling water, when carrying the molding sand through cooling tube and inboard conveyer pipe, cool off in real time by outside cooling water, the effectual cooling time that has shortened.

Description

Lost foam casting sand cooling device

Technical Field

The utility model relates to a cooling device of casting molding sand especially relates to lost foam casting molding sand cooling device.

Background

In the case of clay as a sand binder in the foundry practice, approximately 1 ton of fresh sand needs to be replenished for every 1 ton of good castings produced, and therefore the amount of foundry sand used in sand foundry practice is maximized. The shape and composition of the particles of the foundry sand have an influence on the properties of the foundry sand, such as flowability, compactibility, air permeability, strength and resistance to the penetration of liquid metal, and are important indicators of the quality of the foundry sand.

The patent No. 202020272000.8 discloses a lost foam casting molding sand cooling device, relates to casting sand cooling field, and to present complicated to most of structures of casting sand cooling device, casting sand refrigerated is long moreover, and the impurity that produces when unable get rid of the casting uses inconveniently, and the not strong scheduling problem of practicality now proposes following scheme, including the sand box, the bottom welding of sand box has vibrations case, the both sides sliding connection of vibrations case has the boiling cooling bed, the inside cover of boiling cooling bed is equipped with V type baffle, the bottom fixedly connected with biax motor of sand box, the output shaft fixedly connected with pivot of biax motor, the outer lane welding of pivot has fixed cover, the bottom welding of fixed cover has the cam, the bottom of cam contacts with the top of boiling cooling bed. The utility model discloses simple structure, the modern design, can be quick cool off the grit, can get rid of the impurity in the grit simultaneously, convenient to use, the practicality is strong, is fit for extensively promoting.

Adopt foretell lost foam casting molding sand cooling device to have following not enough when cooling off the molding sand: the filtered molding sand is gradually accumulated in the cold sand box, so that the cooling water outside the cold sand box can not rapidly cool the molding sand, and the whole cooling time is long; simultaneously impurity and molding sand after filtering all are in the inside of device, need the manual work to carry out the manual ejection of compact.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lost foam casting sand cooling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: lost foam casting molding sand cooling device, including cooling trough, sand storage box and first collecting box, second collecting box, cooling trough's inboard is provided with the cooling tube that runs through, cooling trough's outside both sides are provided with first support, second support respectively, the upper end of first support, second support is provided with connecting pipe, conveyer pipe respectively through the bearing, the end department of connecting pipe with the end department fixed connection of conveyer pipe, the inboard of connecting pipe, conveyer pipe is provided with first spiral delivery vane, the conveyer pipe is whole to be in the inside of cooling tube, the outside of conveyer pipe is provided with second spiral delivery vane, just a plurality of filtration pores have been seted up to the pipe wall of conveyer pipe, the sand storage box sets up on the carrier plate of first support upper end, the lower part of sand storage box passes through the inboard intercommunication of pipe and the end department of connecting pipe, first collecting box, second collecting box are in the both sides of second support respectively, and are in the port department of cooling tube, conveyer pipe respectively.

As a preferred scheme of the utility model, still include drive mechanism, drive mechanism includes motor, transmission shaft and driven gear, the motor sets up the middle part at first support, the one end of transmission shaft with the output shaft end department of motor is connected, the outside of transmission shaft is provided with the driving gear, driven gear sets up in the outside of connecting pipe, and with driving gear engagement.

As the preferred scheme of the utility model, the one end of transmission shaft extends to the inside of cooling trough, and with the inner wall of cooling trough passes through the bearing and connects, the outside of transmission shaft is provided with a plurality of flabellums.

As the preferred proposal of the utility model, the cooling water is injected into the cooling water tank, and the cooling water is wholly immersed in the cooling pipe.

As the preferred scheme of the utility model, the external diameter, the internal diameter of connecting pipe all with the external diameter, the internal diameter of conveyer pipe equal.

As the preferred scheme of the utility model, connecting pipe, conveyer pipe and cooling tube coaxial setting.

The utility model provides a lost foam casting molding sand cooling device, beneficial effect lies in:

1. the sand storage box and the first collecting box are respectively arranged at two sides of the outer part of the cooling water tank, the cooling pipe is arranged in the cooling water tank, the cooling water is immersed in the cooling pipe, and when the molding sand is conveyed through the cooling pipe and the conveying pipe at the inner side, the molding sand is cooled by the cooling water at the outer part in real time, so that the cooling time is effectively shortened;

2. set up the conveyer pipe through the inboard at the cooling tube, and set up a plurality of filtration pores of crossing on the pipe wall of conveyer pipe, inner wall at the conveyer pipe, the outer wall sets up first auger delivery blade respectively, second auger delivery blade, in the use, when carrying in the inside of conveyer pipe through the molding sand, carry out impurity filtering by crossing the filtration pore, and through first auger delivery blade, second auger delivery blade carries impurity and the molding sand after filtering respectively, make it get into the second collecting box respectively, in the first collecting box, discharge speed has been improved, whole convenient to use is swift, therefore, the clothes hanger is strong in practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only examples of the embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without any creative effort.

Fig. 1 is an overall structural schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a conveying pipe according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection between a transmission shaft and a connection pipe according to an embodiment of the present invention;

fig. 4 is an installation schematic diagram of the first screw conveying blade and the second screw conveying blade in the embodiment of the present invention.

Reference numerals are as follows: the cooling water tank comprises a cooling water tank 1, a sand storage box 2, a first collecting box 3, a second collecting box 4, a cooling pipe 5, a first support 6, a second support 7, a connecting pipe 8, a conveying pipe 9, a first spiral conveying blade 10, a second spiral conveying blade 11, a filtering hole 12, a guide pipe 13, a motor 14, a transmission shaft 15, a driven gear 16, a driving gear 17 and fan blades 18.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description is given to the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; may be communication within two elements; the terms may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present invention in specific cases.

Referring to fig. 1-4, the embodiment of the present invention provides a cooling device for evaporative pattern casting sand, including a cooling water tank 1, a sand storage box 2 and a first collection box 3, a second collection box 4, a cooling pipe 5 running through the cooling water tank 1 is provided inside the cooling water tank 1, cooling water is injected inside the cooling water tank 1, and the cooling water entirely immerses the cooling pipe 5, the outside of the cooling water tank 1 is provided with a first support 6 and a second support 7, the upper end of the first support 6 and the second support 7 is provided with a connecting pipe 8 through a bearing, a conveying pipe 9, the end of the connecting pipe 8 is fixedly connected with the end of the conveying pipe 9, the connecting pipe 8, the inside of the conveying pipe 9 is provided with a first spiral conveying blade 10, the conveying pipe 9 is wholly located inside the cooling pipe 5, the outer diameter of the connecting pipe 8, the inner diameter of the connecting pipe 8 is equal to the outer diameter of the conveying pipe 9, the inner diameter of the supporting plate 8, the conveying plate 9 and the cooling pipe 5 are coaxially arranged, the outside of the conveying pipe 9 is provided with a second spiral conveying blade 11, a plurality of filtering holes 12 are provided on the pipe wall of the conveying pipe 9, the sand storage box 2 is provided on the first support 6, the lower portion of the sand storage box 2 is arranged on the inner side of the sand storage box 3, the sand storage box 2 and the inner side of the collecting box 8, the second collection box is located on the second collection box 5, the second collection box 5, and the second collection box 3, and the second collection box 7, the inner side of the cooling water storage box 5.

The embodiment of the utility model provides a lost foam casting molding sand cooling device still includes drive mechanism, and drive mechanism includes motor 14, transmission shaft 15 and driven gear 16, and motor 14 sets up at the middle part of first support 6, and the one end of transmission shaft 15 is connected with the output shaft end department of motor 14, and the outside of transmission shaft 15 is provided with driving gear 17, and driven gear 16 sets up in the outside of connecting pipe 8, and meshes with driving gear 17.

One end of the transmission shaft 15 extends into the cooling water tank 1 and is connected with the inner wall of the cooling water tank 1 through a bearing, and a plurality of fan blades 18 are arranged outside the transmission shaft 15.

During the use, the inside of sand storage box 2 is placed in to the molding sand that will carry out the cooling, make the molding sand pass through pipe 13 and get into the end department inside of connecting pipe 8, starter motor 14, driving gear 17 in the transmission shaft 15 outside, under the effect of driven gear 16, drive connecting pipe 8, conveyer pipe 9 rotates in step, and the inboard first spiral delivery blade 10 of conveyer pipe 9, the outside second spiral delivery blade 11 rotates, under the effect of first bolt conveying blade 10, realize the transport to molding sand and impurity, until carrying the inside of conveyer pipe 9, the molding sand drops to the clearance between conveyer pipe 9 and cooling tube 5 through conveyer pipe 9's filtration hole 12 this moment, and impurity stops in the inside of conveyer pipe 9, along with conveyer pipe 9 drives inboard first spiral delivery blade 10, the outside second spiral delivery blade 11 continues to rotate, finally the molding sand drops to the inside of first collecting box 3 from the port of cooling tube 5, and impurity drops to the inside of second collecting box 4 from the port of conveyer pipe 9.

Above-mentioned molding sand is whole to be carried in the inside of cooling tube 5, and cooling tube 5 is whole by the cooling water submergence in cooling trough 1 to realized the quick cooling to the molding sand, when motor 14 drives 15 pivoted of transmission shaft simultaneously, make flabellum 18 rotate, thereby stir the cooling water, improve the cooling effect.

While there has been shown and described what are considered to be preferred embodiments of the invention, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. Lost foam casting molding sand cooling device, its characterized in that: comprises a cooling water tank (1), a sand storage box (2), a first collecting box (3) and a second collecting box (4), a through cooling pipe (5) is arranged on the inner side of the cooling water tank (1), a first bracket (6) and a second bracket (7) are respectively arranged at the two outer sides of the cooling water tank (1), the upper ends of the first bracket (6) and the second bracket (7) are respectively provided with a connecting pipe (8) and a conveying pipe (9) through bearings, the end of the connecting pipe (8) is fixedly connected with the end of the conveying pipe (9), the inner sides of the connecting pipe (8) and the conveying pipe (9) are provided with first spiral conveying blades (10), the conveying pipe (9) is wholly arranged inside the cooling pipe (5), a second spiral conveying blade (11) is arranged on the outer side of the conveying pipe (9), and the pipe wall of the conveying pipe (9) is provided with a plurality of filtering holes (12), the sand storage box (2) is arranged on a bearing plate at the upper end of the first bracket (6), the lower part of the sand storage box (2) is communicated with the inner side of the end of the connecting pipe (8) through a conduit (13), the first collecting box (3) and the second collecting box (4) are respectively arranged at two sides of the second bracket (7), and are respectively arranged at the ports of the cooling pipe (5) and the delivery pipe (9).

2. The sand cooling device for lost foam casting of claim 1, wherein: still include drive mechanism, drive mechanism includes motor (14), transmission shaft (15) and driven gear (16), motor (14) set up the middle part in first support (6), the one end of transmission shaft (15) with the output shaft end department of motor (14) is connected, the outside of transmission shaft (15) is provided with driving gear (17), driven gear (16) set up in the outside of connecting pipe (8), and with driving gear (17) meshing.

3. The sand cooling device for lost foam casting of claim 2, wherein: one end of the transmission shaft (15) extends into the cooling water tank (1) and is connected with the inner wall of the cooling water tank (1) through a bearing, and a plurality of fan blades (18) are arranged on the outer side of the transmission shaft (15).

4. The sand cooling device for lost foam casting of claim 1, wherein: the cooling water tank (1) is filled with cooling water, and the cooling water entirely immerses the cooling pipe (5).

5. The sand cooling device for lost foam casting of claim 1, wherein: the outer diameter and the inner diameter of the connecting pipe (8) are equal to those of the conveying pipe (9).

6. The sand cooling device for lost foam casting of claim 1, wherein: the connecting pipe (8), the conveying pipe (9) and the cooling pipe (5) are coaxially arranged.

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