阅读说明：本技术 一种重力感应开关式铸件冷却设备 (Gravity sensing switch formula foundry goods cooling arrangement ) 是由 刘锐 汪李劼 刘彬彬 常勤祥 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种重力感应开关式铸件冷却设备,包括底部水槽、侧板和顶部盖板,所述顶部盖板盖在侧板上,所述侧板架设在底部水槽内,所述侧板上设有开口和若干竖向通槽,所述底部水槽为环形水槽,所述底部水槽中心位置设有风罩,所述风罩侧壁和顶部设有风口,所述顶部盖板中心设有进风口与风罩顶部的风口对应,所述风罩侧壁连接有支架,所述支架端部连接放置台,所述支架底部设有支撑弹簧支撑,所述支架铰接在风罩侧壁的风口侧壁上,风罩内有扇叶和第二电机。本发明利用外部自然风对铸件进行风冷降温,减少了铸件变形、铸造缺陷等情况的发生。(The invention discloses gravity sensing switch type casting cooling equipment which comprises a bottom water tank, a side plate and a top cover plate, wherein the top cover plate covers the side plate, the side plate is erected in the bottom water tank, an opening and a plurality of vertical through grooves are formed in the side plate, the bottom water tank is an annular water tank, a fan cover is arranged in the center of the bottom water tank, air openings are formed in the side wall and the top of the fan cover, an air inlet is formed in the center of the top cover plate and corresponds to the air opening in the top of the fan cover, a support is connected to the side wall of the fan cover, a placing table is connected to the end of the support, a supporting spring is arranged at the bottom of the support and is used for supporting, the support is hinged to the side wall of the air opening in the side wall of the fan cover, and a fan blade and a second motor are arranged in the fan cover. The invention utilizes external natural wind to cool the casting, thereby reducing the occurrence of the conditions of casting deformation, casting defects and the like.)

1. A gravity sensing switch type casting cooling device comprises a bottom water tank, a side plate and a top cover plate, wherein the top cover plate covers the side plate, the side plate is erected in the bottom water tank, an opening and a plurality of vertical through grooves are formed in the side plate, the bottom water tank is an annular water tank, a fan cover is arranged in the center of the bottom water tank, air openings are formed in the side wall and the top of the fan cover, an air inlet is formed in the center of the top cover plate and corresponds to the air opening in the top of the fan cover, a support is connected to the side wall of the fan cover, a placing table is connected to the end portion of the support, a supporting spring is arranged at the bottom of the support and is hinged to the side wall of the air opening in the side wall of the fan cover, an ejector rod is connected to the hinged end portion of the support, a second motor is arranged in the fan cover, the top of an output shaft of the second motor is connected with a rotating disc, a second annular gear ring is arranged on the edge of the lower surface of the rotating disc, and two fixing plates which are arranged in parallel are fixedly connected in the fan cover, the fixed plate is provided with a hole, a moving rod is inserted in the hole, the top of the moving rod is provided with a shaft sleeve, a rotating shaft is arranged in the shaft sleeve, one end of the rotating shaft is connected with the fan blade, the fan blade corresponds to the air opening on the side wall of the fan cover, the side wall at the other end of the rotating shaft is a tooth surface, a top block is arranged on the movable rod between the two fixed plates and fixedly connected with the movable rod, a second compression spring is arranged between the top block and the fixed plate above the top block, the second compression spring is sleeved on the movable rod, the ejector rod is abutted under the ejector block, the placing table is empty, the supporting spring supports the bracket, the ejector rod is contacted with the ejector block, the tooth surface at the other end of the rotating shaft is separated from the second annular gear ring, the placing table is fully loaded, the supporting spring is pressed downwards, the ejector rod jacks the ejector block, the second compression spring is compressed, the moving rod moves upwards, the tooth surface of the other end of the rotating shaft is connected with the second annular gear ring, and the second motor drives the fan blades to rotate.

2. A gravity-sensitive switch-type casting cooling apparatus as claimed in claim 1, wherein: the hole on the fixed plate is a square hole, the movable rod is a square rod, and the square rod is matched with the square hole.

3. A gravity-sensitive switch-type casting cooling apparatus as claimed in claim 1, wherein: the improved fan is characterized in that a rotary base is arranged in the bottom water tank, a rotary table is arranged on the rotary base, an annular gear ring is arranged on the edge of the lower surface of the rotary table, a driving motor is arranged on the ground below the rotary table, the output end of the driving motor is connected with a gear, the gear is meshed with the annular gear, and the fan cover is arranged on the rotary table.

4. A gravity-sensitive switch-type casting cooling apparatus as claimed in claim 3, wherein: the support divide into the fixed sleeve who articulates at the fan housing lateral wall and inserts the telescopic link in fixed sleeve, the bottom is equipped with compression spring in the fixed sleeve, and telescopic link bottom top is on compression spring, be equipped with supporting spring and lower annular guide rail on the revolving stage, supporting spring supported connection is at the fixed sleeve lateral wall, be equipped with spacing groove and lower spacing groove on the telescopic link, spacing groove tank bottom is the inclined plane down, and the groove that is close to the fan housing is shallow, keeps away from the groove depth of fan housing, lower annular guide rail card is spacing inslot down, the top apron below is equipped with annular guide rail, go up annular guide rail and last spacing groove cooperation.

5. A gravity-sensitive switch-type casting cooling apparatus as claimed in claim 4, wherein: the lower annular guide rail end part is horizontal and is a perfect circle, the end face of the upper annular guide rail is an inclined plane, the upper annular guide rail is oval, the annular guide rail at the opening of the side plate is close to the edge of the top cover plate, the annular guide rails in other areas are far away from the edge of the top cover plate, and the annular guide rails in other areas are the same as the edge of the top cover plate.

6. A gravity-sensitive switch-type casting cooling apparatus as claimed in claim 5, wherein: placing the empty state of platform under, supporting spring supports fixed sleeving, goes up the ring rail and inserts at last spacing inslot, the last ring rail protrusion of curb plate opening part, compression spring support telescopic link will place the platform and stretch out the opening part, and other regions are pulled down at last ring rail, place in platform shrink and the curb plate, during the use, place the bench and place the foundry goods that stretch out at the curb plate opening part, supporting spring atress compression, fixed bushing push down along articulated department, go up ring rail and last spacing groove separation, lower ring rail and lower spacing groove cooperation, compression spring atress compression, telescopic link shrink, lower ring rail follow the shallow one side in groove and slide into the groove depth one side, place the platform and retrieve to the curb plate inside.

The technical field is as follows:

the invention relates to the field of casting cooling equipment, in particular to gravity sensing switch type casting cooling equipment.

Background art:

and in the cooling process of the casting, the heat of the casting is dissipated until the temperature of the casting is balanced with the ambient temperature. In this regard, the cooling rate is affected by two factors, namely, the external condition and the internal condition. External conditions, such as the presence of a cooling system, whether the environment is ventilated, etc., are well understood; internal conditions, such as the thickness of the casting, the internal structure, etc., the place with thick wall dissipates heat faster than the place with thin wall, because the energy carried by the thick wall is more, the heat dissipation is naturally slower, secondly, the surface structure dissipates heat faster than the internal structure, because the heat dissipation is from inside to outside radiation type.

The casting is directly cooled by water or other cooling methods, and the deformation, casting defects and the like of the casting can be caused under the action of internal stress, so that the adoption of cooling to the external environment is a compromise scheme.

Disclosure of Invention

The invention mainly provides gravity sensing switch type casting cooling equipment which adopts mechanical mechanisms to cooperate to realize the halt and rotation of fan blades under the conditions of idle load and full load.

In order to achieve the above purpose, the invention adopts the technical scheme that:

a gravity sensing switch type casting cooling device comprises a bottom water tank, a side plate and a top cover plate, wherein the top cover plate covers the side plate, the side plate is erected in the bottom water tank, an opening and a plurality of vertical through grooves are formed in the side plate, the bottom water tank is an annular water tank, a fan cover is arranged in the center of the bottom water tank, air openings are formed in the side wall and the top of the fan cover, an air inlet is formed in the center of the top cover plate and corresponds to the air opening in the top of the fan cover, a support is connected to the side wall of the fan cover, a placing table is connected to the end portion of the support, a supporting spring is arranged at the bottom of the support and is hinged to the side wall of the air opening in the side wall of the fan cover, an ejector rod is connected to the hinged end portion of the support, a second motor is arranged in the fan cover, the top of an output shaft of the second motor is connected with a rotating disc, a second annular gear ring is arranged on the edge of the lower surface of the rotating disc, and two fixing plates which are arranged in parallel are fixedly connected in the fan cover, the fixed plate is provided with a hole, a moving rod is inserted in the hole, the top of the moving rod is provided with a shaft sleeve, a rotating shaft is arranged in the shaft sleeve, one end of the rotating shaft is connected with the fan blade, the fan blade corresponds to the air opening on the side wall of the fan cover, the side wall at the other end of the rotating shaft is a tooth surface, a top block is arranged on the movable rod between the two fixed plates and fixedly connected with the movable rod, a second compression spring is arranged between the top block and the fixed plate above the top block, the second compression spring is sleeved on the movable rod, the ejector rod is abutted under the ejector block, the placing table is empty, the supporting spring supports the bracket, the ejector rod is contacted with the ejector block, the tooth surface at the other end of the rotating shaft is separated from the second annular gear ring, the placing table is fully loaded, the supporting spring is pressed downwards, the ejector rod jacks the ejector block, the second compression spring is compressed, the moving rod moves upwards, the tooth surface of the other end of the rotating shaft is connected with the second annular gear ring, and the second motor drives the fan blades to rotate.

The further technology of the invention is as follows:

preferably, the hole on the fixed plate is a square hole, the movable rod is a square rod, and the square rod is matched with the square hole.

Preferably, be equipped with rotating base in the bottom basin, the last revolving stage that is equipped with of rotating base, revolving stage lower surface edge is equipped with first annular ring gear, the subaerial driving motor that is equipped with of revolving stage below, driving motor's output connection gear, gear and the meshing of first ring gear, the fan housing is established on the revolving stage.

Preferably, the support divide into the fixed sleeve who articulates at the fan housing lateral wall and inserts the telescopic link in fixed sleeve, the bottom is equipped with compression spring in the fixed sleeve, and telescopic link bottom top is on compression spring, be equipped with supporting spring and lower annular guide rail on the revolving stage, the supporting spring support connection is at the fixed sleeve lateral wall, be equipped with spacing groove and lower spacing groove on the telescopic link, the spacing groove tank bottom is the inclined plane down, and the groove that is close to the fan housing is shallow, keeps away from the groove depth of fan housing, lower annular guide rail card is spacing inslot down, the top apron below is equipped with annular guide rail, go up annular guide rail and last spacing groove cooperation.

Preferably, lower annular guide rail tip level, and be the perfect circle, it is the inclined plane to go up annular guide rail terminal surface, and goes up annular guide rail and be oval, and the annular guide rail at curb plate opening part is close apart from top apron edge, and the annular guide rail in other regions is far away from top apron edge, and the annular guide rail in other regions is the same apart from top apron edge distance.

Preferably, place under the vacant state of platform, supporting spring supports fixed sleeve, goes up the ring rail and inserts and go up the spacing inslot, the last ring rail protrusion of curb plate opening part, compression spring supports the telescopic link and will place the platform and stretch out the opening part, and other regions are in last ring rail's pulling, place in platform shrink and the curb plate, during the use, place the foundry goods on the platform that places that stretches out at the curb plate opening part, supporting spring atress compression, fixed sleeve along articulated department pushes down, goes up ring rail and last spacing groove separation, lower ring rail and lower spacing groove cooperation, compression spring atress compression, telescopic link shrink, lower ring rail follow the shallow one side in groove and slide into the dark one side in groove, place the platform and retrieve to the curb plate inside.

The invention has the following beneficial effects:

the invention utilizes external natural wind to cool the casting, reduces the deformation of the casting, casting defects and other conditions, and simultaneously adopts mechanical mechanism cooperation to realize the halt and rotation of the fan blades under the conditions of no load and full load, thereby reducing energy consumption.

Drawings

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

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention (the placement table is fully loaded);

FIG. 2 is a schematic view of the internal structure of the fan housing according to the present invention;

FIG. 3 is a schematic view of a water circulation system according to the present invention;

FIG. 4 is a schematic view of the front cross-sectional structure of the present invention (the placement platform is completely empty);

FIG. 5 is a schematic view of the front cross-sectional structure of the present invention (the placement platform is partially empty);

FIG. 6 is a schematic view of a stent structure according to the present invention;

FIG. 7 is a bottom view of the turntable according to the present invention;

FIG. 8 is a schematic top view of the cross-sectional structure of the side panel of the present invention;

FIG. 9 is a schematic view of the top cover plate structure of the present invention;

wherein the drawings are numbered as follows: 1: bottom water tank, 2: side plate, 21: opening, 22: vertical logical groove, 3: top cover plate, 31: annular groove, 32: water leakage port, 33: water collection tank, 34: diversion flume, 35: water pump, 36: piping, 37: air intake, 38: upper ring rail, 4: wind shield, 41: tuyere, 5: rotating base, 6: rotary table, 61: ring gear, 62: lower annular guide, 7: drive motor, 71: gear, 8: placing table, 91: fixing sleeve, 92: telescopic rod, 93: compression spring, 94: support spring, 95: upper limiting groove, 96: lower limit groove, 1001: second motor, 1002: output shaft, 1003: a turntable, 1004: second ring gear, 1005: ejector pin, 1006: fixing plate, 1007: travel bar, 1008: second compression spring, 1009: top block, 1010: axle sleeve, 1011: a rotating shaft, 1012: tooth surface, 1013: a fan blade.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1: as shown in fig. 1-2, a gravity-sensing switch type casting cooling device comprises a bottom water tank 1, a side plate 2 and a top cover plate 3, wherein the top cover plate 3 covers the side plate 2, the side plate 2 is erected in the bottom water tank 1, the side plate 2 is provided with an opening 21 and a plurality of vertical through grooves 22, the bottom water tank is an annular water tank, a fan cover 4 is arranged at the center of the bottom water tank, the side wall and the top of the fan cover are provided with air ports 41, the center of the top cover plate is provided with an air inlet corresponding to the air port at the top of the fan cover, the side wall of the fan cover is connected with a support, the end part of the support is connected with a placing table 8, the bottom of the support is provided with a support spring support 94, the support is hinged to the side wall of the air port, the hinged end part of the support is connected with an ejector rod 1005, a second motor 1001 is arranged in the fan cover, and the top of an output shaft 1002 of the second motor 1001 is connected with a turntable 1003, the edge of the lower surface of the turntable 1003 is provided with a second annular gear ring 1004, two fixing plates 1006 arranged in parallel are fixedly connected in the fan housing, a hole is formed in each fixing plate 1006, a moving rod 1007 is inserted in the hole, the top of the moving rod 1007 is provided with a shaft sleeve 1010, a rotating shaft 1011 is arranged in the shaft sleeve 1010, one end of the rotating shaft 1011 is connected with a fan blade 1013, the fan blade 1013 corresponds to a tuyere of the side wall of the fan housing, the side wall of the other end of the rotating shaft 1011 is a tooth surface 1012, a top block 1009 is arranged on the moving rod 1007 between the two fixing plates 1006, the top block 1009 is fixedly connected with the moving rod 1007, a second compression spring 1008 is arranged between the top block 1009 and the fixing plate 1006 above, the second compression spring 1008 is sleeved on the moving rod 1007, the top rod 1005 is propped against the lower part of the top block 1009, the placing table is vacant, the supporting spring supporting bracket is provided with the top rod 1005 in contact with the top block 1009, the tooth surface 1012 at the other end of the rotating shaft 1011 is separated from the second annular gear ring 1004, the placing table is fully loaded, the supporting spring is pressed downwards, the top rod 1005 jacks the top block 1009, the second compression spring 1008 is compressed, the moving rod 1007 moves upwards, the tooth surface 1012 at the other end of the rotating shaft 1011 is connected with the second annular gear ring 1004, and the second motor 1001 drives the fan blade 1013 to rotate.

In embodiment 2, as shown in fig. 3 to 4, a water circulation cooling system is added, specifically, an annular groove 31 is provided at an edge of the top cover plate 3, a plurality of water leakage ports 32 are provided in the annular groove 31 and directly communicated with the vertical through groove 22, a water collection tank 33 is erected above the top cover plate 3, a water collection tank 34 connected to a side wall of the water collection tank 33 is connected to the annular groove 31, a water pump 35 is provided in the water collection tank 33, and a water inlet of the water pump 35 is provided with a pipeline 36 and connected to the bottom water tank 1.

Bottom basin 1, curb plate 2 and top apron 3 constitute a cover body, place the foundry goods wherein, utilize water pump 35, with the water absorption in the bottom basin 1 to top water catch bowl 33, through diversion 34 reposition of redundant personnel to ring channel 31 in, fall into bottom basin 1 in vertical logical groove 22 through leaking mouth 32, form the circulation, the water of curb plate 2 and vertical logical groove 22 forms the interval, the heat of foundry goods is walked away to the water that flows, bottom basin 1 constantly dispels the heat, the cooling of foundry goods is quickened.

Example 3: as shown in fig. 5-9, a gravity-sensing switch type casting cooling device comprises a bottom water tank 1, a side plate 2 and a top cover plate 3, wherein the top cover plate 3 covers the side plate 2, the side plate 2 is erected in the bottom water tank 1, the side plate 2 is provided with an opening 21 and a plurality of vertical through grooves 22, the bottom water tank is an annular water tank, a fan cover 4 is arranged at the center of the bottom water tank, the side wall and the top of the fan cover are provided with air ports 41, the center of the top cover plate is provided with an air inlet corresponding to the air port at the top of the fan cover, the side wall of the fan cover is connected with a support, the end of the support is connected with a placing table 8, the bottom of the support is provided with a support spring support 94, the support is hinged to the side wall of the air port, the hinged end of the support is connected with a push rod 1005, a second motor 1001 is arranged in the fan cover, and the top of an output shaft 1002 of the second motor 1001 is connected with a turntable 1003, the edge of the lower surface of the turntable 1003 is provided with a second annular gear ring 1004, two fixing plates 1006 arranged in parallel are fixedly connected in the fan housing, a hole is formed in each fixing plate 1006, a moving rod 1007 is inserted in the hole, the top of the moving rod 1007 is provided with a shaft sleeve 1010, a rotating shaft 1011 is arranged in the shaft sleeve 1010, one end of the rotating shaft 1011 is connected with a fan blade 1013, the fan blade 1013 corresponds to a tuyere of the side wall of the fan housing, the side wall of the other end of the rotating shaft 1011 is a tooth surface 1012, a top block 1009 is arranged on the moving rod 1007 between the two fixing plates 1006, the top block 1009 is fixedly connected with the moving rod 1007, a second compression spring 1008 is arranged between the top block 1009 and the fixing plate 1006 above, the second compression spring 1008 is sleeved on the moving rod 1007, the top rod 1005 is propped against the lower part of the top block 1009, the placing table is vacant, the supporting spring supporting bracket is provided with the top rod 1005 in contact with the top block 1009, the tooth surface 1012 at the other end of the rotating shaft 1011 is separated from the second annular gear ring 1004, the placing table is fully loaded, the supporting spring is pressed downwards, the top rod 1005 jacks the top block 1009, the second compression spring 1008 is compressed, the moving rod 1007 moves upwards, the tooth surface 1012 at the other end of the rotating shaft 1011 is connected with the second annular gear ring 1004, and the second motor 1001 drives the fan blade 1013 to rotate.

The edge of the top cover plate 3 is provided with an annular groove 31, a plurality of water leakage openings 32 are arranged in the annular groove 31 and directly communicated with the vertical through groove 22, a water collecting tank 33 is erected above the top cover plate 3, the side wall of the water collecting tank 33 is connected with a water guiding tank 34 and is connected with the annular groove 31, a water pump 35 is arranged in the water collecting tank 33, and a water inlet of the water pump 35 is provided with a pipeline 36 and is connected into the bottom water tank 1.

Utilize the flabellum to pass through 37 air intakes on the top apron 3, vertical logical groove 22 air-out, on the one hand, increase the exchange of inside air, take out the hot-air, the cold air takes in, and on the other hand blows the heat of foundry goods to the underwater area that the mouth of a river 32 that leaks falls to bottom basin 1, utilizes hydrologic cycle and rivers in-process heat consumption, and is friendly to all ring edge borders.

Further, in the blowing direction, for further heat dissipation, a rotating base 5 is arranged in the bottom water tank 1, as shown in fig. 5, a rotating table 6 is arranged on the rotating base 5, an annular gear ring 61 is arranged on the edge of the lower surface of the rotating table 6, a driving motor 7 is arranged on the ground below the rotating table 6, the output end of the driving motor 7 is connected with a gear 71, the gear 71 is meshed with the annular gear 71, and the fan cover 4 is arranged on the rotating table 6.

The gear 71 is engaged with the ring gear 71, so that the drive motor 7 drives the rotary table 6 to rotate, and the wind cover 4 on the rotary table 6 rotates accordingly.

In the conventional scheme, the casting is placed on the ground or a rotating platform 6 at the center of the bottom water tank 1, but the casting is inconvenient to store or take out, for this reason, the invention adds a placing mechanism on the basis of the structure, and particularly, the side wall of the fan cover 4 is connected with a bracket, and the end part of the bracket is connected with a placing platform 8.

In the above structure, the bracket and the placing table 8 cannot exceed the circular edge surrounded by the side plates 2, which results in that the casting needs to be deeply inserted into the side plates 2 from the opening 21 of the side plates 2 under the condition that the placing table 8 is empty, and the casting is placed on the placing table 8, so that the casting is dangerous and meanwhile, the condition that whether the placing table 8 is empty cannot be clearly known.

Therefore, the invention designs the placing table 8 to be free, the range of the side plate 2 can be extended out of the opening 21 of the side plate 2, and the range of the side plate 2 is not extended out under the condition of placing the casting, so that the casting is convenient to place, the placing table is safe and convenient, and the free condition of the placing table 8 can be clearly known. The specific structure is as follows:

the support divide into the fixed sleeving 91 who articulates at the 4 lateral walls of fan housing and inserts telescopic link 92 in fixed sleeving 91, the bottom is equipped with compression spring 93 in fixed sleeving 91, and top on compression spring 93 is in telescopic link 92 bottom, be equipped with supporting spring 94 and lower ring rail 62 on revolving stage 6, supporting spring 94 supports the connection at fixed sleeving 91 lateral wall, be equipped with spacing groove 95 and lower spacing groove 96 on the telescopic link 92, the groove bottom of lower spacing groove 96 is the inclined plane, and the groove that is close to fan housing 4 is shallow, keeps away from the groove depth of fan housing 4, ring rail 62 card is in lower spacing groove 96 down, top apron 3 below is equipped with ring rail 38, go up ring rail 38 and the cooperation of spacing groove 95.

The end part of the lower annular guide rail 62 is horizontal and is a perfect circle, the end surface of the upper annular guide rail 38 is an inclined plane, the upper annular guide rail 38 is oval, the annular guide rail at the opening 21 of the side plate 2 is close to the edge of the top cover plate 3, the annular guide rails at other areas are far away from the edge of the top cover plate 3, and the annular guide rails at other areas are the same as the edge of the top cover plate 3.

When the placing table 8 is in an empty state, the supporting spring 94 supports the fixing sleeve 91, the upper annular guide rail 38 is inserted into the upper limiting groove 95, the upper annular guide rail 38 at the opening 21 of the side plate 2 protrudes, the compression spring 93 supports the telescopic rod 92 to enable the placing table 8 to extend out of the opening 21, and in other areas, the placing table 8 contracts and is retracted into the side plate 2 under the pulling of the upper annular guide rail 38.

Example 3, fig. 1-9, a gravity-sensitive switch-type casting cooling apparatus, operating according to the following principles:

as shown in fig. 3, the bottom water tank 1 is filled with water, the water amount is only needed to be at the position of the bottom water tank 12/3, the water pump 35 is turned on, the water in the bottom water tank 1 is sucked into the water collecting tank 33 through the suction force of the water pump 35, is distributed into the annular groove 31 through the water guiding groove 34, and falls into the bottom water tank 1 from the vertical through groove 22 through the water leaking port 32 to form a circulation;

referring to fig. 1, the driving motor 7 is used to drive the rotating platform 6, the rotating platform 6 rotates on the rotating base 5, the fan 43 supplies air through the air inlet 37 on the top cover plate 3, and the vertical through slot 22 supplies air.

As shown in fig. 1, when the placing table 8 is empty, the fixing sleeve 91 is not stressed, the supporting spring 94 supports the fixing sleeve 91 to be lifted, at this time, the telescopic rod 92 is not stressed, the compression spring 93 is in a normal state, the upper limiting groove 95 of the telescopic rod 92 is matched with the upper annular guide rail 38 of the top cover plate 3, the end surface of the upper annular guide rail 38 is an inclined surface, the upper annular guide rail 38 is in an elliptical shape, the annular guide rail at the opening 21 of the side plate 2 is close to the edge of the top cover plate 3, the annular guide rails at other regions are far from the edge of the top cover plate 3, the annular guide rails at other regions are the same distance from the edge of the top cover plate 3, the placing table 8 starts to move from the opening 21 of the side plate 2, the telescopic rod 92 contracts towards the wind cowl 4 under the matching of the upper annular guide rail 38, and the compression spring 93 is compressed, so as to ensure that the side plate 2 is not in contact with the placing table 8;

as shown in fig. 4, the castings are continuously placed, and under the influence of gravity of the castings, the supporting spring 94 is stressed and compressed, the fixing sleeve 91 is pressed down along the hinge joint, the upper annular guide rail 38 is separated from the upper limiting groove 95, the lower annular guide rail 62 is matched with the lower limiting groove 96, the compression spring 93 is stressed and compressed, the telescopic rod 92 is contracted, the lower annular guide rail 62 slides into the deep side of the groove from the shallow side of the groove, and the placing table 8 is recovered to the inside of the side plate 2. The empty placement table 8 is fitted to the upper ring rail 38 in the upper limit groove 95 that still holds the telescopic rod 92, and extends out of the side plate 2 at the opening 21 of the side plate 2.

After the placing tables 8 are full, all the placing tables 8 run inside the side plates 2, as shown in fig. 5.

The placing table is empty, the supporting spring supports the support, the top rod 1005 is in contact with the top block 1009, the tooth surface 1012 at the other end of the rotating shaft 1011 is separated from the second ring gear 1004, the placing table is full, the supporting spring is pressed downwards, the top rod 1005 jacks the top block 1009, the second compression spring 1008 is compressed, the moving rod 1007 moves upwards, the tooth surface 1012 at the other end of the rotating shaft 1011 is connected with the second ring gear 1004, and the second motor 1001 drives the fan blade 1013 to rotate.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.