CN210848227U - Up-down sand shooting device - Google Patents
Up-down sand shooting device Download PDFInfo
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- CN210848227U CN210848227U CN201921904754.4U CN201921904754U CN210848227U CN 210848227 U CN210848227 U CN 210848227U CN 201921904754 U CN201921904754 U CN 201921904754U CN 210848227 U CN210848227 U CN 210848227U
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Abstract
The utility model provides a penetrate sand device from top to bottom, include: a frame; the top of the first sand shooting box is provided with a first sand inlet, and the bottom of the first sand shooting box is provided with a first sand shooting port; the lifting device drives the first sand shooting box to lift; the top of the second sand shooting box is provided with a second sand inlet, and the bottom of the second sand shooting box is provided with a second sand shooting port; the air source is communicated with the first sand shooting box and the second sand shooting box; the molding chamber is arranged below the first sand shooting port, openings are formed in the top and the bottom of the molding chamber, the first compaction plate can stretch into the molding chamber from the top, and the second compaction plate can stretch into the molding chamber from the bottom. So set up, do not have the fixed sand storehouse of side, first shooting case need not again with the fixed sand storehouse sliding seal of side, can not appear because sealed untight and the problem of leaking sand of running out to still include a second shooting case that can carry out the shooting from the molding room bottom, make upper and lower shooting device can follow upper and lower two directions and to shooting the sand in the molding room, make the shooting efficiency of upper and lower shooting device higher.
Description
Technical Field
The utility model relates to a casting technical field, more specifically say, relate to a penetrate sand device from top to bottom.
Background
In the modern casting production process, in order to improve the casting efficiency and meet the requirements of the modern production, most of sand molds used in the casting process are manufactured by using a horizontal flaskless molding machine, and the horizontal flaskless molding machine is widely applied to the casting machinery industry. The horizontal flaskless molding machine among the prior art mainly includes the sand storehouse that is used for depositing clay sand and the sand shooting mechanism who communicates with the sand storehouse, and the sand storehouse sets up in one side of sand shooting mechanism usually, and clay sand changes the flow direction into the vertical direction through a 90 degrees corner in the sand storehouse the inside of edgewise and just can enter into sand shooting mechanism, and the sand shooting speed that can cause because conversion angle slows down in the sand shooting mechanism is entered into to the sand storehouse of one side to clay sand, leads to shooting efficiency to reduce. And because the sand shooting mechanism needs to move downwards to compact the sand mould, and the sand storehouse is usually fixedly arranged, the sand shooting mechanism needs to be movably and hermetically connected with the sand storehouse, and a sealing structure at the joint between the sand shooting mechanism and the sand storehouse is worn after being used for a period of time, so that the problems of air leakage and sand leakage are caused. Therefore, a need exists in the art for a sand shooting mechanism that solves the problems of low sand shooting efficiency and air leakage and sand leakage caused by abrasion of a sealing structure between the sand shooting mechanism and a sand reservoir in the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a penetrate sand efficiently to can not appear leaking the upper and lower sand shooting device of sand problem because sealed not tight.
In order to solve the above problem, the utility model provides an upper and lower sand shooting device, include: a frame; the sand shooting device comprises a first sand shooting box for containing clay sand, wherein the top of the first sand shooting box is provided with a first sand inlet for adding the clay sand into the first sand shooting box, the bottom of the first sand shooting box is provided with a first sand shooting port for shooting the clay sand, the first sand inlet is provided with a first opening and closing valve for opening and closing the first sand inlet, the first sand shooting port is provided with a first compacting plate, and the first compacting plate is provided with a through hole for the clay sand to pass through; the lifting device is arranged on the rack and connected with the first sand shooting box so as to drive the first sand shooting box to lift along the vertical direction; the second sand shooting box is used for containing clay sand, a second sand inlet used for adding the clay sand into the second sand shooting box is formed in the top of the second sand shooting box, a second sand shooting port used for shooting the clay sand is formed in the bottom of the second sand shooting box, a second opening and closing valve used for opening and closing the second sand inlet is arranged at the second sand inlet, a second compacting plate is arranged at the second sand shooting port, and a through hole through which the clay sand passes is formed in the second compacting plate; the air source is respectively communicated with the first sand shooting box and the second sand shooting box through communicating pipes so as to provide compressed air for the first sand shooting box and the second sand shooting box; the molding chamber is used for molding and is arranged below the first sand shooting port, openings are formed in the top and the bottom of the molding chamber, the cross section of the first compaction plate is smaller than or equal to the opening in the top of the molding chamber, so that the first compaction plate can stretch into the molding chamber from the top, and the cross section of the second compaction plate is smaller than or equal to the opening in the bottom of the molding chamber, so that the second compaction plate can stretch into the molding chamber from the bottom.
Preferably, the lifting device comprises a linear driving device and at least two guide rail mechanisms, each guide rail mechanism comprises a guide rail fixedly connected with the frame and extending along the vertical direction and a guide rod capable of axially sliding along the guide rail, each guide rod is fixedly connected through a connecting part so as to enable each guide rod to synchronously lift, the first shooting box is fixedly connected with the connecting part, and the linear driving device is used for driving each guide rod to lift.
Preferably, the linear drive is a hydraulic cylinder.
Preferably, a material level sensor for detecting the height of the clay sand is arranged in each of the first shooting flask and the second shooting flask.
Preferably, a funnel structure is arranged at the first sand inlet of the first sand shooting box and the second sand inlet of the second sand shooting box.
Preferably, the first and second shooting flasks are each provided with an exhaust valve for exhausting internally trapped compressed air.
Preferably, the air outlet of each exhaust valve is communicated with a silencer.
Preferably, a plurality of air vents for air in the clay sand to escape are formed on the peripheral side wall of the molding chamber.
Preferably, the first compacting plate and the second compacting plate are provided with sealing rubber strips at positions opposite to the inner side wall of the molding chamber.
Preferably, the first compacting plate is provided with a plurality of pouring cup fixing holes for casting.
The utility model provides an among the technical scheme, a penetrate sand device from top to bottom, include: a frame; the sand shooting device comprises a first sand shooting box for containing clay sand, a first sand inlet for adding the clay sand into the first sand shooting box is formed in the top of the first sand shooting box, a first sand shooting port for jetting the clay sand is formed in the bottom of the first sand shooting box, a first opening and closing valve for opening and closing the first sand inlet is arranged at the first sand inlet, a first compaction plate is arranged at the first sand shooting port, and a through hole for allowing the clay sand to pass through is formed in the first compaction plate; the lifting device is arranged on the rack and connected with the first sand shooting box so as to drive the first sand shooting box to lift along the vertical direction; the second sand shooting box is used for containing clay sand, a second sand inlet used for adding the clay sand into the second sand shooting box is formed in the top of the second sand shooting box, a second sand shooting port used for shooting the clay sand is formed in the bottom of the second sand shooting box, a second opening and closing valve used for opening and closing the second sand inlet is arranged at the second sand inlet, a second compacting plate is arranged at the second sand shooting port, and a through hole used for allowing the clay sand to pass through is formed in the second compacting plate; the air source is respectively communicated with the first sand shooting box and the second sand shooting box through communicating pipes so as to provide compressed air for the first sand shooting box and the second sand shooting box; the molding chamber is used for molding and is arranged below the first sand shooting port, openings are formed in the top and the bottom of the molding chamber, the cross section of the first compaction plate is smaller than or equal to the opening in the top of the molding chamber, so that the first compaction plate can stretch into the molding chamber from the top, and the cross section of the second compaction plate is smaller than or equal to the opening in the bottom of the molding chamber, so that the second compaction plate can stretch into the molding chamber from the bottom.
When the sand shooting is carried out, a mold is placed in a molding chamber, a first opening and closing valve and a second opening and closing valve are opened, clay sand is added into a first sand shooting box and a second sand shooting box respectively, the first opening and closing valve and the second opening and closing valve are closed, and compressed air is led into the first sand shooting box and the second sand shooting box respectively through communicating pipes by an air source. Under the action of compressed air, clay sand in the first shooting box is blown into the molding chamber from the opening at the top of the molding chamber, clay sand in the second shooting box is blown into the molding chamber from the opening at the bottom of the molding chamber, and the mold is uniformly covered by the clay sand. After the molding chamber is filled with clay sand, the introduction of compressed air is stopped, the lifting device drives the first sand shooting box to move downwards, and the first compaction plate at the first sand shooting opening of the first sand shooting box moves downwards to compact the clay sand in the molding chamber.
According to the arrangement, the upper sand shooting device and the lower sand shooting device of the utility model have no side fixed sand warehouse, the first sand shooting box does not need to be in sliding seal with the side fixed sand warehouse, the problem of sand leakage due to air leakage caused by poor seal is avoided, the side fixed sand warehouse and the corresponding sliding seal assembly are removed, the structure of the upper sand shooting device and the lower sand shooting device is simpler, and the failure rate is lower; compared with the prior art in which clay sand is ejected downwards vertically after being converted by an angle of 90 degrees from a sand warehouse on the side surface, the utility model discloses a clay sand in a first sand shooting box in an upper sand shooting device and a lower sand shooting device is ejected downwards directly and vertically without speed loss during angle conversion, the ejection speed of the clay sand is faster, the sand shooting speed is higher, the sand filling effect in a molding chamber is better, and the molding chamber can adapt to more molds of different types; and for the no case molding machine of level among the prior art, the utility model provides an upper and lower sand shooting machine still includes a second sand shooting box that can follow the molding room bottom and penetrate the sand for penetrate the sand device from top to bottom and can follow two directions from top to bottom and penetrate the sand in to the molding room, penetrate the sand efficiency of penetrating the sand device about making on the one hand higher, on the other hand is great to some moulds, especially the mould covers the condition of whole molding room cross section, and it is better to penetrate the sand effect. By the arrangement, the problems that shadow is generated in the moulding chamber due to side sand shooting and the whole moulding chamber cannot be filled with the clay sand due to pressure loss when the clay sand is rotated to the vertical direction from the side surface can be solved; penetrate sand device from top to bottom and can also carry out the compaction with the indoor clay sand of molding after penetrating the sand and accomplish, collect and penetrate sand and compaction in an organic whole, realized a tractor serves several purposes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an upper and lower sand shooting device in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first compression plate in an embodiment of the present invention.
In fig. 1-2:
1. a frame; 2. a first shooting box; 201. a first opening and closing valve; 202. a first compacting plate; 3. a second shooting pot; 301. a second opening and closing valve; 302. a second compacting plate; 4. a molding chamber; 5. a guide rail; 6. a guide bar; 7. a linear drive device; 8. a level sensor; 9. an exhaust valve; 10. a muffler; 11. an exhaust hole; 12. a mold; 13. a sand shooting valve; 14. a pouring cup fixing hole; 15. a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
This concrete implementation provides one kind and penetrates sand efficiently to can not appear leaking the upper and lower sand shooting device of sand problem because sealed not tight.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 and 2, an up-and-down sand shooting device according to an embodiment of the present invention includes a frame 1, a first sand shooting box 2, a lifting device, a second sand shooting box 3, an air source, and a molding chamber 4. Wherein, the frame 1 is used for supporting the whole device, and the frame 1 can be assembled by various section steels and welded, and can also be integrated into a whole structure by casting. Wherein, first shooting box 2 is inside to have the cavity in order to hold the clay sand, and the top of first shooting box 2 is provided with the first sand inlet that is used for adding the clay sand to this first shooting box 2 is inside, and the bottom of first shooting box 2 is provided with the first sand shooting mouth that supplies the clay sand to penetrate. The first sand inlet is provided with a first open/close valve 201 for opening and closing the first sand inlet, the first sand shooting port is provided with a first compacting plate 202, the first compacting plate 202 is provided with through holes 15 for passing clay sand, and the number of the through holes 15 may be multiple, for example, three or four. Wherein the lifting device is arranged on the frame 1 and is connected with the first shooting box 2 to drive the first shooting box 2 to move along the vertical direction. Wherein, the inside cavity that is used for holding clay sand that has of second shooting box 3, the top of second shooting box 3 is provided with the second sand inlet that is used for adding clay sand in the second shooting box 3, and the bottom of second shooting box 3 is provided with the second sand shooting mouth that supplies clay sand to penetrate. A second open/close valve 301 for opening and closing the second sand inlet is provided at the position of the second sand inlet, a second compacting plate 302 is provided at the position of the second sand shooting port, and a through hole 15 for passing clay sand is provided on the second compacting plate 302, specifically, the shape of the second compacting plate 302 may refer to the shape of the first compacting plate 202. Wherein, the air supply is respectively communicated with the first sand shooting box 2 and the second sand shooting box 3 through communicating pipes so as to provide compressed air for the first sand shooting box 2 and the second sand shooting box 3, thereby respectively blowing out clay sand in the first sand shooting box 2 and the second sand shooting box 3 from the first sand shooting opening and the second sand shooting opening. Optionally, the connecting pipelines of the air source and the first sand shooting box 2 and the connecting pipelines of the air source and the second sand shooting box 3 are all provided with a sand shooting valve 13, so that the working states of the first sand shooting box 2 and the second sand shooting box 3 can be respectively and independently controlled, the sand shooting valve 13 can be an electromagnetic reversing switch valve, the on-off of the sand shooting valve 13 can be controlled by providing different electric signals for the sand shooting valve 13, and therefore the effect of controlling the connection or disconnection of the sand shooting box and the air source is achieved, the electromagnetic reversing switch valve belongs to the prior art, the specific structure of the electromagnetic reversing switch valve does not belong to the key point of the discussion, and the description is. The air source can be a high-pressure air pump or other air supply devices. Wherein the molding chamber 4 is used for molding the mold 12, and is provided with openings at the top and bottom thereof. The molding chamber 4 is provided at a lower portion of the first shooting pot 2, and is opposed to the first shooting port. The cross-section of the first compression plate 202 should be less than or equal to the opening at the top of the molding chamber 4 so that the first compression plate 202 can protrude into the molding chamber 4 from the top, and the cross-section of the second compression plate 302 should be less than or equal to the opening at the bottom of the molding chamber 4 so that the second compression plate 302 can protrude into the molding chamber 4 from the bottom. In some embodiments, as shown in figure 1, the molding chamber 4 is split, comprising two molding chambers, one above the other. In some embodiments, the first opening and closing valve 201 and the second opening and closing valve 301 are dome valves, which can cut off the flowing material flow entering the sand box or the static material column, and then close to realize sealing, and the related knowledge about the specific structure of the dome valves is in the prior art and will not be described in detail herein. It should be noted that the above-mentioned up-down and vertical directions are all the references of the sand shooting device when it is placed in the posture as shown in fig. 1, wherein the up refers to the up in fig. 1, the down refers to the down in fig. 1, and the vertical direction refers to the direction from the top to the bottom in fig. 1.
When shooting is performed, the mold 12 is placed in the molding chamber 4, the first open/close valve 201 and the second open/close valve 301 are opened, clay sand is added to the first shooting flask 2 and the second shooting flask 3, respectively, the first open/close valve 201 and the second open/close valve 301 are closed, and compressed air is introduced from an air source into the first shooting flask 2 and the second shooting flask 3 through the communication pipe, respectively. Under the action of the compressed air, the clay sand in the first shooting pot 2 is blown into the molding chamber 4 from the opening at the top of the molding chamber 4, the clay sand in the second shooting pot 3 is blown into the molding chamber 4 from the opening at the bottom of the molding chamber 4, and the clay sand uniformly fills the molding chamber 4 to cover the mold 12. After the molding chamber 4 is filled with clay sand, the introduction of compressed air is stopped, the lifting device drives the first shooting box 2 to move downwards, and the first compacting plate 202 at the first sand shooting port of the first shooting box 2 moves downwards to compact the clay sand in the molding chamber 4.
With the arrangement, the upper sand shooting device and the lower sand shooting device of the utility model have no side fixed sand warehouse, the first sand shooting box 2 does not need to be in sliding seal with the side fixed sand warehouse, the problem of air leakage and sand leakage caused by poor seal can be avoided, and the side fixed sand warehouse and the corresponding sliding seal assembly are removed, so that the upper sand shooting device and the lower sand shooting device have simpler structure and lower failure rate; compared with the prior art in which clay sand is ejected downwards vertically after being converted at an angle of 90 degrees from a sand warehouse on the side surface, the utility model discloses a clay sand in the first sand shooting box 2 of the upper and lower sand shooting devices is ejected downwards directly and vertically without speed loss during angle conversion, the ejection speed of the clay sand is faster, the sand shooting speed is higher, the sand filling effect in the molding chamber 4 is better, and the utility model can adapt to more molds 12 of different types; compared with a horizontal flaskless molding machine in the prior art, the upper and lower sand shooting machines provided by the utility model also comprise a second sand shooting box 3 which can shoot sand from the bottom of the molding chamber 4, so that the upper and lower sand shooting devices can shoot sand into the molding chamber 4 from the upper and lower directions simultaneously, on one hand, the sand shooting efficiency of the upper and lower sand shooting devices is higher, on the other hand, for the condition that some molds 12 are larger, especially the molds 12 cover the cross section of the whole molding chamber 4, the arrangement can solve the problem that sand is shot from the top of the molding chamber 4 alone, and clay sand cannot fill the whole molding chamber 4; after the sand shooting is completed, the first sand shooting box 2 moves downwards to drive the first compaction plate 202 to move downwards, at the moment, the second compaction plate 302 also provides an upward supporting force, under the combined action of the first compaction plate 202 and the second compaction plate 302, the clay sand of the upper part and the lower part of the mold 12 in the molding chamber 4 can be compacted, and the upper sand shooting device and the lower sand shooting device integrate sand shooting and compaction, so that the multifunctional sand shooting machine is multifunctional.
As shown in fig. 1, in some embodiments, the lifting device comprises a linear drive 7 and at least two rail mechanisms. Each guide rail mechanism comprises a guide rail 5 fixedly connected with the frame 1 and extending along the vertical direction and a guide rod 6 capable of axially sliding along the guide rail 5, as shown in the figure, the guide rail 5 can be a sleeve welded with the frame 1 or fixedly connected with the frame through fasteners such as bolts and screws, and the guide rod 6 extends into the sleeve and can axially move along the sleeve. The guide rods 6 are fixedly connected by a connecting member so that the guide rods 6 are synchronously lifted, the first shooting pot 2 is fixedly connected with the connecting member, and a linear driving device 7 is used for driving the guide rods 6 to lift. The connecting member may be a frame structure made by welding section steel, and the frame structure may be welded to each guide bar 6, or may be connected to each guide bar 6 by a fastening member such as a bolt. The first sand shooting box 2 is fixedly connected with the connecting part, the first sand shooting box 2 can also be fixedly connected with the connecting part by welding or fastening by fasteners, and the linear driving device 7 is used for driving each guide rod 6 to lift. In order to prevent the at least two guide rail mechanisms from lifting to cause a condition of unbalance, the number of the linear driving devices 7 can be two or four. During the sand shooting process, the first shooting pot 2 is lifted by the linear driving device 7 so that the entire molding chamber 4 can be filled with the clay sand, and during the compaction process, the first shooting pot 2 is lowered by the linear driving device 7 so that the first compacting plate 202 at the bottom of the first shooting pot 2 compacts the clay sand in the molding chamber 4. In some embodiments, the linear drive 7 is a hydraulic cylinder. One of the cylinder body and the piston rod of the hydraulic cylinder is fixedly connected with the frame 1, and the other one is fixedly connected with the connecting part, so that the connecting part is lifted when the piston rod extends out, and the connecting part is driven to descend when the piston rod retracts.
As shown in fig. 1, in some embodiments, a level sensor 8 for detecting the level of clay sand is provided in each of the first and second shooting flasks 2 and 3. For example, the fill level sensor 8 can be a level gauge, also referred to as a fill level meter, a fill level indicator, or the like. It is a commercially available product and will not be discussed with respect to its specific structure. The level gauge can detect whether the height of the first sand shooting box 2 and the height of the second sand shooting box 3 reach the designated height, and transmits signals to the controller, the controller can control the device for adding the clay sand into the sand shooting box to stop working, or the controller can control the indicator light to light up so as to inform an operator that the clay sand in the sand shooting box reaches the designated height.
As shown in fig. 1, in some embodiments, a funnel structure is provided at both the first sand inlet of the first shooting flask 2 and the second sand inlet of the second shooting flask 3. Through setting up the funnel, can be more convenient add clay sand to in first shooting box 2 and the second shooting box 3.
As shown in fig. 1, the first and second flasks 2 and 3 are each provided with an exhaust valve 9 for exhausting the internally trapped compressed air. Because the first and second shooting flasks 2 and 3 need to be filled with compressed air during shooting, and after the shooting is completed, the compressed air remains in the first and second shooting flasks 2 and 3, which may cause a danger if the dome valve is opened directly. The compressed air in the first and second shooting flasks 2 and 3 can be vented before the dome valve is opened by the vent valve 9, and the dome valve can then be safely opened. The exhaust valve 9 may be an electromagnetic valve controlled by an electric signal and is communicated with the inside of the sand shooting box through a connecting pipe. In order to avoid excessive noise of the exhaust valve 9 during exhaust, in some embodiments, a silencer 10 is disposed at the air outlet of the exhaust valve 9, the silencer 10 is a commercially available product, and the structure thereof is not important here and is not described herein again.
In some embodiments, as shown in fig. 1, the molding chamber 4 is provided with a plurality of air discharge holes 11 on its peripheral wall for air in the clay sand to escape. Specifically, as shown in fig. 1, it may be that the exhaust holes 11 are provided on the peripheral side walls of both the upper molding chamber 4 and the lower molding chamber 4. With this arrangement, in the compacting process, when the first compacting plate 202 and the second compacting plate 302 compact the clay sand in the molding chamber 4, the air between the sand grains of the clay sand can be discharged from the air vent 11, so that the clay sand in the molding chamber 4 is compacted more compactly without having air holes.
In some embodiments, the first compacting plate 202 is provided with a bead of sealant at a location opposite the inner sidewall of the molding chamber 4 and the second compacting plate 302 is provided with a bead of sealant at a location opposite the inner sidewall of the molding chamber 4. Taking the first compression plate 202 as an example, the sealing rubber strip may be fixedly disposed on the peripheral side wall of the first compression plate 202, for example, an annular mounting groove may be disposed on the peripheral side wall of the first compression plate 202, and the sealing rubber strip is nested in the annular mounting groove. By providing the joint strip, it is possible to prevent the clay sand from leaking out from the gaps between the first compacting plate 202 and the inner wall of the molding chamber 4 and between the second compacting plate 302 and the inner wall of the molding chamber 4 when the first compacting plate 202 and the second compacting plate 302 compact the clay sand in the molding chamber 4.
As shown in fig. 2, in some embodiments, the first compression plate 202 is provided with a plurality of tundish securing holes 14 for casting. Different casting arrangements can be met by arranging the sprue cup fixing holes 14, so that the arrangement of the sprue bars is more flexible.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a sand device is penetrated from top to bottom which characterized in that includes:
a frame (1);
the sand shooting device comprises a first sand shooting box (2) for containing clay sand, wherein a first sand inlet for adding the clay sand to the first sand shooting box (2) is formed in the top of the first sand shooting box, a first sand shooting opening for jetting the clay sand is formed in the bottom of the first sand shooting box, a first opening and closing valve (201) for opening and closing the first sand inlet is arranged at the first sand inlet, a first compaction plate (202) is arranged at the first sand shooting opening, and a through hole (15) for allowing the clay sand to pass through is formed in the first compaction plate (202);
the lifting device is arranged on the rack (1) and is connected with the first sand shooting box (2) to drive the first sand shooting box (2) to lift along the vertical direction;
the second sand shooting box (3) is used for containing clay sand, a second sand inlet used for adding the clay sand into the second sand shooting box (3) is formed in the top of the second sand shooting box, a second sand shooting port used for jetting the clay sand is formed in the bottom of the second sand shooting box, a second opening and closing valve (301) used for opening and closing the second sand inlet is arranged at the second sand inlet, a second compacting plate (302) is arranged at the second sand shooting port, and a through hole (15) used for allowing the clay sand to pass through is formed in the second compacting plate (302);
an air source which is respectively communicated with the first sand shooting box (2) and the second sand shooting box (3) through communicating pipes so as to provide compressed air for the first sand shooting box (2) and the second sand shooting box (3);
and the modeling chamber (4) is used for modeling and is arranged below the first sand shooting port, the top and the bottom of the modeling chamber are respectively provided with an opening, the cross section of the first compaction plate (202) is smaller than or equal to the opening at the top of the modeling chamber (4) so that the first compaction plate (202) can stretch into the modeling chamber (4) from the top, and the cross section of the second compaction plate (302) is smaller than or equal to the opening at the bottom of the modeling chamber (4) so that the second compaction plate (302) can stretch into the modeling chamber (4) from the bottom.
2. An up-and-down sand shooting device according to claim 1, characterized in that the lifting device comprises a linear driving device (7) and at least two guide rail mechanisms, each guide rail mechanism comprises a guide rail (5) fixedly connected with the frame (1) and extending along the vertical direction and a guide rod (6) capable of axially sliding along the guide rail (5), each guide rod (6) is fixedly connected through a connecting part so as to enable each guide rod (6) to synchronously lift, the first sand shooting box (2) is fixedly connected with the connecting part, and the linear driving device (7) is used for driving each guide rod (6) to lift.
3. A sand shooting device according to claim 2, characterised in that the linear drive (7) is a hydraulic cylinder.
4. The cope and drag shooting apparatus according to claim 1, wherein a level sensor (8) for detecting a level of clay sand is provided in each of the first and second shooting flasks (2, 3).
5. A cope and drag shooting apparatus according to claim 1, wherein a funnel structure is provided at both the first sand inlet of the first shooting flask (2) and the second sand inlet of the second shooting flask (3).
6. A cope and drag shooting apparatus according to claim 1, wherein the first and second shooting flasks (2, 3) are each provided with an exhaust valve (9) for exhausting internally entrapped compressed air.
7. A sand shooting device as claimed in claim 6, wherein the outlet of each exhaust valve (9) is connected to a silencer (10).
8. An up-and-down sand shooting device according to claim 1, characterized in that the peripheral side wall of the molding chamber (4) is provided with a plurality of air discharge holes (11) for air in clay sand to escape.
9. An up-and-down sand shooting device according to claim 1, characterized in that the first compacting plate (202) is provided with sealing strips at the position opposite to the inner side wall of the molding chamber (4) and the second compacting plate (302) is provided with sealing strips at the position opposite to the inner side wall of the molding chamber (4).
10. A top and bottom shooting device as claimed in claim 1, wherein the first compacting plate (202) is provided with a plurality of tundish fixing holes (14) for casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904754.4U CN210848227U (en) | 2019-11-06 | 2019-11-06 | Up-down sand shooting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904754.4U CN210848227U (en) | 2019-11-06 | 2019-11-06 | Up-down sand shooting device |
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| CN210848227U true CN210848227U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921904754.4U Active CN210848227U (en) | 2019-11-06 | 2019-11-06 | Up-down sand shooting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715854A (en) * | 2020-07-03 | 2020-09-29 | 临沂市卓杰机械有限公司 | Up-down sand shooting molding machine and molding box hydraulic control system thereof |
| CN112792305A (en) * | 2021-01-28 | 2021-05-14 | 临沂市卓杰机械有限公司 | Sand shooting box boiling structure and sand shooting box |
| CN113198979A (en) * | 2021-05-17 | 2021-08-03 | 常州巧捷铸造设备有限公司 | Servo device for bottom sand shooting and sand shooting box of clay sand molding machine |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111715854A (en) * | 2020-07-03 | 2020-09-29 | 临沂市卓杰机械有限公司 | Up-down sand shooting molding machine and molding box hydraulic control system thereof |
| CN112792305A (en) * | 2021-01-28 | 2021-05-14 | 临沂市卓杰机械有限公司 | Sand shooting box boiling structure and sand shooting box |
| CN113198979A (en) * | 2021-05-17 | 2021-08-03 | 常州巧捷铸造设备有限公司 | Servo device for bottom sand shooting and sand shooting box of clay sand molding machine |
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Effective date of registration: 20230727 Address after: No.89, Nanlijia Village, Wobei Town, Suning County, Cangzhou, Hebei Province 062350 Patentee after: Zhang Jianshi Address before: 276000 building D1, Shandong International Technology mould Industrial Park, South Ring Road, Luozhuang street, Luozhuang District, Linyi City, Shandong Province Patentee before: LINYI ZHUOJIE MACHINERY Co.,Ltd. |
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