CN107335786B - Sand shooting plate device and method for iron mold with different upper plane heights - Google Patents
Sand shooting plate device and method for iron mold with different upper plane heights Download PDFInfo
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- CN107335786B CN107335786B CN201710701628.8A CN201710701628A CN107335786B CN 107335786 B CN107335786 B CN 107335786B CN 201710701628 A CN201710701628 A CN 201710701628A CN 107335786 B CN107335786 B CN 107335786B
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- B22—CASTING; POWDER METALLURGY
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- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
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Abstract
The invention relates to a sand shooting plate device and a method for iron mold with different upper plane heights, and belongs to the field of sand lined casting of iron molds. The invention relates to a sand shooting plate device for iron mold upper plane height difference, which comprises a water-cooling sand shooting plate mechanism, sand shooting nozzle seats and long sand shooting nozzles with different heights, wherein the water-cooling sand shooting plate mechanism comprises a sand shooting plate frame body, common sand shooting nozzles and water cooling grooves, the common sand shooting nozzles are fixed on the sand shooting plate frame body, the water cooling grooves are arranged in the sand shooting plate frame body, the sand shooting nozzle seats and the long sand shooting nozzles are all detachable and are corresponding in number, the long sand shooting nozzle seats are arranged on the water-cooling sand shooting plate mechanism, and the detachable long sand shooting nozzles are frequently and conveniently arranged on the corresponding sand shooting nozzle seats and are frequently and conveniently detached from the corresponding sand shooting nozzle seats. The invention also provides a working method of the sand shooting plate, which is convenient to operate. The sand lining molding machine is safe and reliable, simple and convenient to operate, low in cost and convenient to clean residual sand of the sand shooting holes, and is suitable for sand lining molding of iron molds with sand shooting holes at different heights.
Description
Technical Field
The invention relates to a device and a method, in particular to a sand shooting plate device and a method for iron mold upper plane height difference, which are particularly applied to sand lining tools for iron mold sand lining casting and belong to the field of iron mold sand lining casting.
Background
The sand-coated iron mold casting belongs to one of special casting, and its casting mold is formed by coating a thin layer of coated sand on the inner cavity of metal mold. The sand-lined metal mold casting has the characteristics of energy conservation, material saving, high efficiency, high quality, green production and the like, the application field is wider and wider, and the variety of produced castings is more and more.
The casting mold for sand lined metal mold casting generally adopts a sand shooting and sand lined molding mode, and the metal mold is generally designed into an upper large plane and a lower large plane, namely: the lower plane of the iron mold is contacted with the plane of the shaping plate, and the upper plane of the iron mold is contacted with the plane of the sand shooting plate. With the continuous and deep application of the sand lined iron mold, the complexity and the shape of the casting are changed greatly, and the height difference of the appearance size of some castings is large.
For sand lining of an iron mold, in order to ensure proper solidification and cooling conditions of a casting, the wall thickness and height of each part of the iron mold are generally expected to be uniform, for a casting with large height difference of appearance size, the upper plane of the iron mold can present a plurality of upper planes with different heights, when sand shooting holes are required to be formed at the high position and the low position of the iron mold, the positions of the sand shooting holes of the iron mold can not be at the height position of one plane, and therefore, the sand lining shape of the iron mold can not be met by the corresponding sand shooting plate with one plane.
The invention discloses a sand shooting device and a sand shooting method for sand lining molding of various iron molds in Chinese patent with publication number 103611889B, publication number 09/2015. This patent is including penetrating sand head, general shooting plate and special shooting plate, and general shooting plate is including penetrating the sand frame, penetrating sand apron, shooting mouth and water cooling channel, penetrates sand apron and shooting mouth and all fixes on penetrating the sand frame, penetrates to open on the sand apron to have logical sand hole, and water cooling channel sets up in penetrating the sand frame. Although the patent simplifies the replacing, disassembling and installing processes of the sand shooting plates on different sand-lined iron mold molding occasions, the sand shooting device is not suitable for the upper plane of the iron mold to present a plurality of upper planes with different heights, and when sand shooting holes are required to be formed at the high and low positions of the iron mold, the positions of the sand shooting holes of the iron mold can not be at the height position of one plane, so that the corresponding sand shooting plate with one plane can not meet the sand-lined iron mold molding. It also has the above-mentioned drawbacks.
The publication date is 11/17/2010, and chinese patent No. CN201632597U discloses a utility model patent entitled "sand shooting device for sand casting hot core box". This patent is including shooting the sand board, shooting mouth mechanism is including shooting the mouth hollow shaft, shooting mouth, advance the sand mouth, though this patent has cooling structure, can realize the sand shooting device of sand casting hot core box, but produce another product, just need to change on the molding machine with the sand shooting board of indisputable type shooting hole position basic uniformity, it is troublesome to change the sand shooting board, installation and dismantlement, can not frequently conveniently dismantle the shooting mouth in the production process, the device is not suitable for the last plane of indisputable type and presents a plurality of upper planes of difference in height, so it still exists above-mentioned defect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a sand shooting plate device and a method for different upper plane heights of an iron mold, which have the advantages of reasonable structural design, safety, reliability, simplicity and convenience in operation, low cost and convenience in cleaning residual sand of a sand shooting hole, and are suitable for sand-lined molding of the iron mold with sand shooting holes at different heights.
The technical scheme adopted by the invention for solving the problems is as follows: this a penetrate sand board device that is used for plane height inequality on swage, penetrate sand board mechanism including the water-cooling, sand board mechanism is penetrated including penetrating sand board framework, ordinary sand shooting mouth and water-cooling tank to the water-cooling, and this ordinary sand shooting mouth is fixed in penetrating the sand board framework, and the water-cooling tank setting is in penetrating the sand board framework, its characterized in that: the sand shooting device is characterized by also comprising a sand shooting nozzle seat and long sand shooting nozzles with different heights, wherein the sand shooting nozzle seat and the long sand shooting nozzles are detachable and have corresponding quantity; the whole structure is safe and reliable, low in cost, convenient to clean residual sand of the sand shooting holes and convenient to disassemble, and is used for sand-lined molding of iron molds with sand shooting holes of different sizes.
Preferably, the upper part of the long sand shooting nozzle is provided with a two-claw wedge-shaped dismounting head structure, the sand shooting nozzle base is provided with a two-claw structure, and the two-claw structure is matched with the two-claw wedge-shaped dismounting head structure; the long sand shooting nozzle is convenient to mount and dismount.
Preferably, the upper plane of the two-jaw wedge-shaped dismounting head structure is a plane structure, and the lower plane is a plane with a certain inclination; the matching is convenient, in the two-claw structure corresponding to the sand shooting nozzle seat, the two-claw structure surface is also a plane with the same inclination, and the plane contacted with the plane on the sand shooting nozzle two-claw dismounting head structure is a plane structure.
Preferably, the long sand shooting nozzle comprises a two-claw wedge-shaped disassembly head structure and a long sand shooting nozzle body, wherein the two-claw wedge-shaped disassembly head structure and the long sand shooting nozzle body are fixed through screws; in order to prevent the detachable two-claw wedge-shaped detaching head structure from causing the damage of the locking function due to continuous detaching abrasion in the using process, and simultaneously, the processing is convenient.
Preferably, the sand shooting nozzle seat is a wear-resistant detachable sand shooting nozzle seat, and is installed on a sand shooting plate frame body of the water-cooling sand shooting plate mechanism through screws; the abrasion part of the two-claw structure of the sand shooting nozzle seat is conveniently replaced, and the whole sand shooting plate frame body cannot be scrapped.
Preferably, the common sand shooting nozzle and the long sand shooting nozzle adopt cylindrical sand shooting nozzles.
Preferably, the water cooling tank adopts a hollow water cooling tank structure; the water cooling tank is filled with cooling water to cool the whole general water-cooling sand shooting plate mechanism so as to prevent the coated sand in the sand shooting head 6 from being solidified due to overhigh temperature of the water-cooling sand shooting plate mechanism in the sand coating modeling process.
Preferably, the positions and the diameters of the common sand shooting nozzle and the long sand shooting nozzle are matched with the sand shooting holes in the iron mold; the sand shooting is convenient and accurate.
The invention also provides a working method of the sand shooting plate with different heights of the upper plane of the iron mold, which adopts the sand shooting plate device with different heights of the upper plane of the iron mold and is characterized in that: the method comprises the following steps: during installation, inserting a two-claw wedge-shaped dismounting head structure of a long sand shooting nozzle into a gap of a two-claw structure of a sand shooting nozzle seat, then rotating the long sand shooting nozzle anticlockwise for about 90 degrees, and tightly attaching the upper plane of the two-claw wedge-shaped dismounting head structure of the long sand shooting nozzle to the corresponding plane of the corresponding two-claw structure to be installed, so that the long sand shooting nozzle and the sand shooting nozzle seat are installed at corresponding positions on a water-cooling sand shooting plate mechanism; when the long sand shooting nozzle is disassembled, the long sand shooting nozzle is rotated clockwise by a certain angle, the upper plane of the two-claw wedge-shaped disassembling head structure of the long sand shooting nozzle is separated from the corresponding plane of the two-claw structure of the corresponding sand shooting nozzle seat, the two-claw wedge-shaped disassembling head structure of the long sand shooting nozzle is rotated to the gap of the two-claw structure on the sand shooting nozzle seat continuously in the anticlockwise rotation mode, and then the long sand shooting nozzle is taken out; when the sand-coated sand is molded, the long sand shooting nozzles with different heights and sizes and the common sand shooting nozzles on the water-cooling sand shooting plate mechanism correspond to the sand shooting holes with different heights and sizes on the iron mold and are closely attached to each other, the coated sand enters the gap filled with the iron mold and the mold after the mold is closed through the common sand shooting nozzles, the long sand shooting nozzles and the iron mold sand shooting holes under the action of compressed air to form a sand-coated layer, and the mold is solidified and lifted to complete the sand-coated molding operation.
Preferably, when the temperature of the long sand shooting nozzle rises, the long sand shooting nozzle can be conveniently disassembled and placed into the cooling water container for rapid cooling, and the long sand shooting nozzle is installed back to the sand shooting nozzle seat of the water-cooling sand shooting plate mechanism after being completely cooled for sand-coating modeling of the next round.
Compared with the prior art, the invention has the following advantages and effects: 1. the sand lining molding machine has the advantages of reasonable structural design, safety, reliability and simple and convenient operation, and can be used for sand lining molding of iron molds with sand shooting hole sites of different sizes; 2. the device can reduce the length of the iron-type sand shooting hole, and is convenient for cleaning residual sand in the iron-type sand shooting hole; 3. the height of the iron mold sand shooting hole of the device can be manufactured according to the height of different parts of a produced casting, the weight of the iron mold can be reduced, and the manufacturing cost of the iron mold can be reduced; 4. the long sand shooting nozzle of the device is convenient to disassemble, and the sand shooting nozzle is convenient to clean so as to prevent the sand shooting nozzle from plugging up and influencing the sand lining molding of the iron mold.
Drawings
Fig. 1 is a schematic structural view of a sand shooting plate device according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a long sand shooting nozzle according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a long sand-shooting nozzle according to an embodiment of the present invention.
Fig. 4 is a left side view structural schematic diagram of the long sand shooting nozzle in the embodiment of the invention.
Fig. 5 is a schematic structural view of a long sand-shooting nozzle body according to an embodiment of the invention.
Fig. 6 is another schematic view of the long sand nozzle body of fig. 5.
Fig. 7 is a first schematic view of a long sand shooting nozzle dismounting structure according to an embodiment of the present invention.
Fig. 8 is another schematic view of fig. 7.
FIG. 9 is a schematic view of a second long sand-shooting nozzle assembly and disassembly structure according to an embodiment of the present invention.
Fig. 10 is another schematic view of fig. 9.
FIG. 11 is a third schematic view of the long sand-shooting nozzle dismounting structure according to the embodiment of the present invention.
Fig. 12 is another schematic view of fig. 11.
Fig. 13 is a first operation schematic diagram of the sand shooting plate device according to the embodiment of the invention.
Fig. 14 is a second schematic view of the operation of the sand shooting plate device according to the embodiment of the invention.
Fig. 15 is a third schematic view of the operation of the sand shooting plate device according to the embodiment of the invention.
In the figure, a water-cooling sand shooting plate mechanism 1: the sand shooting nozzle comprises a sand shooting nozzle base 2, a long sand shooting nozzle 3, an iron mold 4, a model 5, a sand shooting head 6, a locking inclined plane 7, a screw 8, a sand coating layer 9, a sand shooting plate frame body 11, a common sand shooting nozzle 12, a water cooling groove 13, a two-claw structure 21, a two-claw wedge-shaped disassembly head structure 31 and a long sand shooting nozzle body 32.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples
Referring to fig. 1 to 15, the sand shooting plate device for iron mold with different upper plane heights in the embodiment mainly comprises a water-cooling sand shooting plate mechanism 1, a sand shooting nozzle seat 2 and long sand shooting nozzles 3 with different heights,
the water-cooling sand shooting plate mechanism 1 of this embodiment is including shooting the sand plate framework 11, ordinary sand shooting mouth 12 and water-cooling tank 13, and this ordinary sand shooting mouth 12 is fixed on shooting the sand plate framework 11, and water-cooling tank 13 sets up in shooting the sand plate framework 11, and sand shooting mouth seat 2 and long sand shooting mouth 3 are all can dismantle and quantity is corresponding, and this long sand shooting mouth seat 2 is installed on water-cooling sand shooting plate mechanism 1, and long sand shooting mouth 3 is fixed on corresponding sand shooting mouth seat 2.
The upper part of the long sand shooting nozzle 3 of the embodiment is provided with a two-claw wedge-shaped dismounting head structure 31, the sand shooting nozzle base 2 is provided with a two-claw structure 21, and the two-claw structure 21 is matched with the two-claw wedge-shaped dismounting head structure 31; the upper plane of the two-claw wedge-shaped dismounting head structure 31 is a plane structure, and the lower plane is a plane with a certain inclination.
The long sand shooting nozzle 3 of the present embodiment includes a two-jaw wedge-shaped detachment head structure 31 and a long sand shooting nozzle body 32, and the two-jaw wedge-shaped detachment head structure 31 and the long sand shooting nozzle body 32 are fixed by screws 8.
The sand shooting nozzle seat 2 of the embodiment adopts a wear-resistant detachable sand shooting nozzle seat 2, and the sand shooting nozzle seat 2 is installed on a sand shooting plate frame body 11 of the water-cooling sand shooting plate mechanism 1 through a screw 8.
The common sand shooting nozzle 12 and the long sand shooting nozzle 3 of the embodiment both adopt cylindrical sand shooting nozzles; the water cooling tank 13 adopts a hollow water cooling tank 13 structure; the hollow water cooling tank 13 is mainly structured to prevent the precoated sand in the sand shooting head 6 and the plane sand shooting nozzle from being solidified by the contact heat or radiation heat of the temperature of the iron mold 4 and the mold 5.
The positions and the diameters of the common sand shooting nozzle 12 and the long sand shooting nozzle 3 are matched with the sand shooting holes in the iron mold 4.
The working steps of the sand shooting plate used for the iron mold with different upper plane heights are as follows: when the long sand shooting nozzle 3 is installed, the two-claw wedge-shaped dismounting head structure 31 of the long sand shooting nozzle 3 is inserted into a gap of the two-claw structure 21 of the sand shooting nozzle base 2, then the long sand shooting nozzle 3 rotates anticlockwise by about 90 degrees, and the upper plane of the two-claw wedge-shaped dismounting head structure 31 of the long sand shooting nozzle 3 is tightly attached to the corresponding plane of the corresponding two-claw structure 21, so that the long sand shooting nozzle 3 and the sand shooting nozzle base 2 are installed at the corresponding positions on the water-cooling sand shooting plate mechanism 1; when the long sand shooting nozzle 3 is disassembled, the long sand shooting nozzle 3 is rotated clockwise by a certain angle, the upper plane of the two-claw wedge-shaped disassembling head structure 31 of the long sand shooting nozzle 3 is separated from the corresponding plane of the two-claw structure 21 of the corresponding sand shooting nozzle seat 2, the two-claw wedge-shaped disassembling head structure 31 of the long sand shooting nozzle 3 is rotated to the gap of the two-claw structure 21 on the sand shooting nozzle seat 2 continuously in a counterclockwise rotation mode, and then the long sand shooting nozzle 3 is taken out; when the sand-coated molding is carried out, the long sand shooting nozzles 3 and the common sand shooting nozzles 12 with different heights and sizes on the water-cooling sand shooting plate mechanism 1 correspond to sand shooting holes with different heights and sizes on the iron mold 4 and are closely attached to each other, the coated sand enters a gap filled with the iron mold 4 and the mold 5 after the mold is closed through the common sand shooting nozzles 12, the long sand shooting nozzles 3 and the sand shooting holes of the iron mold 4 under the action of compressed air, a sand-coated layer 9 is formed, the mold is solidified and lifted, and the sand-coated molding operation is completed.
When the temperature of the long sand shooting nozzle 3 rises, the long sand shooting nozzle 3 can be conveniently disassembled and put into a cooling water container for rapid cooling, and the long sand shooting nozzle 3 is arranged on the sand shooting nozzle seat 2 of the water-cooling sand shooting plate mechanism 1 after being completely cooled for the next round of sand coating modeling.
In the sand-lined molding production process, the lower inclined plane of the two-claw wedge-shaped detaching head structure 31 mainly plays a role of fixing the long sand shooting nozzle 3 on the sand shooting plate frame body 11, and in the sand-lined molding process, the stress surface of the long sand shooting nozzle 3 is the upper plane of the two-claw structure 21 and the lower plane of the corresponding hole of the sand shooting nozzle seat 2 contacted with the upper plane.
Because the long sand shooting nozzle 3 is frequently disassembled and assembled in the production process of the sand lined iron mold, in order to prevent the locking function of the detachable two-claw wedge-shaped disassembling head structure 31 from being damaged due to continuous disassembly and abrasion in the using process and facilitate the processing,
in the embodiment, the long sand shooting nozzle 3 is split into two parts, the long sand shooting nozzle 3 comprises a two-jaw wedge-shaped dismounting head structure 31 and a long sand shooting nozzle body 32, and the two-jaw wedge-shaped dismounting head structure 31 and the long sand shooting nozzle body 32 are fixed together through four screws 8.
When the long sand shooting nozzle body 32 is worn, the worn part can be conveniently replaced. The sand shooting nozzle seat 2 also adopts wear-resisting detachable sand shooting nozzle seat 2, adopts screw 8 fixed mounting on shooting plate frame body 11, in case should shoot the sand mouth because of wearing and tearing when influencing sand shooting nozzle locking effect, can more conveniently change two claw structure 21 wearing and tearing parts of sand shooting nozzle seat 2, and can not cause the scrapping of monoblock sand shooting plate frame body 11.
The detachable sand shooting nozzles with different heights in the embodiment are installed in the corresponding positions on the sand shooting plate by the installation method, and then sand covering modeling operation can be carried out. When the temperature of the sand shooting nozzle rises (but is still slightly lower than the curing temperature of the precoated sand), the sand shooting and filling are completed, the sand shooting nozzles can be conveniently detached by adopting the method for detaching the sand shooting nozzles in the curing process of the precoated sand and the subsequent stripping process, the detachable sand shooting nozzles are placed in a cooling water container, the detachable sand shooting nozzles are rapidly cooled, and after the sand shooting nozzles are completely cooled, the detachable sand shooting nozzles are installed back on a sand shooting plate according to the method for sand coating modeling of the next round.
The sand shooting plate device for the iron mold with the different upper plane heights is mainly used for the upper iron mold and the lower iron mold with the different sand shooting plane heights in the sand lined iron mold casting production. For sand-lined iron mold production, thermosetting coated resin sand is generally adopted, and during the molding process, the mold 5 and the iron mold 4 generally have certain temperature, generally about 200 ℃, and in the temperature range, the coated resin sand can be cured and molded in a short time. In the sand shooting molding, the surface of a sand shooting nozzle of a sand shooting plate device is in contact with the surface of the iron mold 4 at about 200 ℃, and in order to prevent precoated sand in the sand shooting nozzle of the sand shooting plate device from solidifying, a cooling device is usually arranged on the sand shooting plate device, and the cooling of the sand shooting nozzle of the sand shooting plate device is solved by adopting a hollow water cooling mode in the general sand shooting plate device.
The main function of the ordinary sand shooting nozzle 12 is to shoot the precoated sand in the sand shooting head 6 into the cavity of the iron mold 4 under the action of compressed air, and when compressed air is not available, the precoated sand in the sand shooting head 6 cannot leak out of the sand shooting head 6.
The key point of this embodiment is that the long sand shooting nozzles 3 with different lengths can be disassembled, for the part of the long sand shooting nozzles 3, because the area contacting with the water-cooling sand shooting plate mechanism 1 is smaller, and the length of the long sand shooting nozzles 3 extends out of the hollow water-cooling plate-shaped structure more, the long sand shooting nozzles 3 are in continuous contact with the heated iron mold 4 in the sand coating modeling process, and are easy to be heated, if the long sand shooting nozzles 3 are fixed and not detachable, the long sand shooting nozzles are easy to be blocked by the precoated sand solidified in the sand coating modeling process, so that the long sand shooting nozzles 3 lose the sand coating modeling function.
Therefore, the long sand shooting nozzles 3 which are convenient to disassemble must be made into structures, so that in the sand-lined molding process, once the temperature of the sand shooting nozzles reaches or approaches to the solidification temperature range of the precoated sand, the long sand shooting nozzles 3 can be disassembled, cooled through water immersion cooling or other methods, and then installed on a sand shooting plate, and sand-lined molding can be continuously carried out. Or when the long sand shooting nozzle 3 reaches a certain temperature after being heated and is blocked by solidified precoated sand, the long sand shooting nozzle 3 can be detached, dredged and cleaned of the solidified precoated sand in the sand shooting nozzle, cooled by soaking water or other methods, installed on a sand shooting plate, and then continuously subjected to sand coating modeling.
The sand shooting plate device of the invention is manufactured in the following mode: each sand shooting nozzle that contacts with the highest plane sand shooting hole in iron mold upper surface directly makes from the water-cooling sand shooting plate device, promptly: the hollow water-cooling structure of the part belongs to the basic part of the sand shooting plate, and ensures that the sand lining in the sand lining molding machine sand shooting head 6 and the plane sand shooting nozzle thereof cannot be cured by heat during the sand lining molding process. The rest sand shooting nozzles contacted with the sand shooting holes of the iron mold plane with the iron mold lower than the highest iron mold plane adopt detachable cylindrical sand shooting nozzles with different lengths.
The long sand shooting nozzle 3 can be conveniently disassembled or installed at the corresponding position of the sand shooting plate frame body 11 through the wedge-shaped bayonet of the two-claw structure 21, and the disassembly and the assembly are very convenient.
Because the plane of the long sand shooting nozzle 3 is a certain distance away from the plane of the water-cooling sand shooting plate mechanism 1, the water-cooling device of the sand shooting plate is difficult to effectively cool the sand shooting plate, and in the sand-lined metal mold modeling production process, along with the continuous contact between the long sand shooting nozzle 3 and the metal mold 4, the heat on the metal mold 4 makes the temperature of the long sand shooting nozzles 3 higher and higher through the modes of contact heat transfer and radiation heat transfer, so that the precoated sand in the long sand shooting nozzle 3 is easy to be heated and solidified, the sand shooting nozzle is blocked, and finally the long sand shooting nozzles 3 cannot shoot the precoated sand in the sand shooting head 6 into the sand shooting holes of the metal mold 4 to fill the gap between the metal mold 4 and the mold 5, so as to complete the sand-lined modeling. Therefore, the present embodiment solves the above-mentioned problems by making these long nozzles 3 detachable.
In this embodiment, the detachable long sand shooting nozzle 3 is conveniently mounted and dismounted, fig. 7 to 8 show that the long sand shooting nozzle 3 is inserted into the sand shooting nozzle seat 2, fig. 9 to 10 show that the long sand shooting nozzle 3 rotates 90 °, fig. 11 to 12 show that the long sand shooting nozzle 3 rotates 90 ° in the reverse direction, then the long sand shooting nozzle 3 is taken out from the sand shooting plate frame body 11 of the water-cooled sand shooting plate mechanism 1, fig. 13 shows that sand is coated on the iron mold 4 after the iron mold 4 is closed, and fig. 14 shows that sand is coated on the iron mold 4 after sand coating and sand shooting are completed on the iron mold 4.
The upper part of the long sand shooting nozzle 3 of the embodiment is provided with a two-claw wedge-shaped dismounting head structure 31, the upper plane of the two-claw wedge-shaped dismounting head structure 31 is a plane structure, and the lower plane is a plane with a certain inclination, namely a locking inclined plane 7; in the two-claw structure 21 of the corresponding sand shooting nozzle seat 2 of the corresponding sand shooting plate frame body 11, the surface of the two-claw structure 21 which is contacted with the two-claw wedge-shaped dismounting head structure 31 of the long sand shooting nozzle 3 is also a plane with the same inclination, namely, the locking inclined plane 7, and the surface which is contacted with the upper plane of the two-claw wedge-shaped dismounting head structure 31 of the long sand shooting nozzle 3 is a plane structure.
The working principle of the embodiment for the sand shooting plate device with different upper plane heights of the iron mold is as follows: the general of swage of the foundry usefulness of swage cover sand has upper and lower two planes, and during the sand-lined molding, plane contact laminating on 4 lower planes of swage and 5 templates of model, and plane then contacts laminating with shooting sand plate plane on the swage, promptly: all the sand shooting holes on the iron mold 4 are generally on the same plane, and the sand shooting holes of the iron mold correspond to the sand shooting nozzle holes on the sand shooting plate one by one.
However, with the continuous popularization of the application of the sand lined metal mold technology, more and more casting products are produced by sand lined metal mold casting, wherein the difference of the appearance shape and the size of a plurality of products is large, if the metal mold still adopts the form of an upper plane and a lower plane, the weight of the metal mold 4 is greatly increased, and the manufacturing cost of the metal mold 4 is increased; on the other hand, because the iron mold 4 is in contact with the sand shooting plate in a plane, when the height difference of the casting is extremely large, sand shooting holes are arranged at the high position and the low position of the casting in order to ensure the sand coating modeling quality, so that the height of the sand shooting holes at the low position of the casting is very long, and when the iron mold is used for sand coating casting production, the iron mold wastes time and labor for cleaning residual sand in the long sand shooting holes. In addition, the upper plane of the iron mold of the casting is made into a plane instead of the shape of the casting, so that the weight of the iron mold 4 is increased, and the sand coating difficulty caused by the low temperature of the iron mold in the production process can be caused due to the increase of the weight of the iron mold 4, and the solidification cooling condition of the casting is also adversely affected.
In the embodiment, for the condition that the positions of sand shooting holes are different due to different heights of the upper plane of the iron mold along with the height shape of a casting, the sand shooting plate adopts the long sand shooting nozzles 3 which are different in height and are jointed with the sand shooting mould of the iron mold in a matching way, so that each sand shooting hole of the iron mold is tightly jointed with the corresponding common sand shooting nozzle 12 and the long sand shooting nozzle 3 on the sand shooting plate frame body 11 during sand shooting molding, precoated sand enters a gap filled with the iron mold and a model 5 after the mold is matched with the sand shooting nozzle and the sand shooting hole of the iron mold frame body 11 under the action of compressed air to form a precoated sand layer 9, and the mold is solidified to finish the sand coating molding.
This embodiment is on the basis of original shooting plate, according to the size in 4 not co-altitude shooting holes of swage, make the long shooting nozzle 3 of corresponding height, dismantle first structure 31 through two claws wedge and install in the space of two claw structures 21 of shooting nozzle seat 2, it is convenient to dismantle, thereby form the shooting nozzle of different height, when carrying out the sand lining molding, the shooting nozzle of different height size on the shooting plate is corresponding with the shooting hole of different height size on 4 of swage, closely laminate together, accomplish the sand lining molding operation.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (2)
1. The utility model provides a be used for sand shooting plate operating method that plane height is unequal on the iron mold, including sand shooting plate device, sand shooting plate device includes water-cooling sand shooting plate mechanism, sand shooting nozzle seat and the long sand shooting mouth of different heights, water-cooling sand shooting plate mechanism is including sand shooting plate frame body, ordinary sand shooting nozzle and water-cooling tank, this ordinary sand shooting nozzle is fixed in sand shooting plate frame body, the water-cooling tank sets up in sand shooting plate frame body, sand shooting nozzle seat and long sand shooting nozzle are and can dismantle and quantity is corresponding, this long sand shooting nozzle seat is installed on water-cooling sand shooting plate mechanism, this detachable long sand shooting nozzle frequently conveniently installs on the sand shooting nozzle seat that corresponds to frequently dismantle from the sand shooting nozzle seat that corresponds, its characterized in that: the method comprises the following steps: during installation, inserting the two-claw wedge-shaped dismounting head structure of the long sand shooting nozzle into a gap of the two-claw structure of the sand shooting nozzle seat, then rotating the long sand shooting nozzle anticlockwise for 90 degrees, and tightly attaching the upper plane of the two-claw wedge-shaped dismounting head structure of the long sand shooting nozzle with the corresponding plane of the corresponding two-claw structure, so that the long sand shooting nozzle and the sand shooting nozzle seat are installed at the corresponding positions on the water-cooling sand shooting plate mechanism; when the long sand shooting nozzle is disassembled, the long sand shooting nozzle is rotated clockwise by 90 degrees, the upper plane of the two-claw wedge-shaped disassembling head structure of the long sand shooting nozzle is separated from the corresponding plane of the two-claw structure of the corresponding sand shooting nozzle seat, the two-claw wedge-shaped disassembling head structure of the long sand shooting nozzle is rotated to the gap of the two-claw structure on the sand shooting nozzle seat continuously in the anticlockwise rotation mode, and then the long sand shooting nozzle is taken out; when the sand-coated sand is molded, the long sand shooting nozzles with different heights and sizes and the common sand shooting nozzles on the water-cooling sand shooting plate mechanism correspond to the sand shooting holes with different heights and sizes on the iron mold and are closely attached to each other, the coated sand enters the gap filled with the iron mold and the mold after the mold is closed through the common sand shooting nozzles, the long sand shooting nozzles and the iron mold sand shooting holes under the action of compressed air to form a sand-coated layer, and the mold is solidified and lifted to complete the sand-coated molding operation.
2. The working method of the sand shooting plate for the iron mold with the upper plane with different heights according to claim 1, is characterized in that: when the temperature of the long sand shooting nozzle rises, the long sand shooting nozzle is conveniently disassembled and placed into a cooling water container for rapid cooling, and the long sand shooting nozzle is installed back on a sand shooting nozzle seat of the water-cooling sand shooting plate mechanism after being completely cooled for the next round of sand coating modeling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113084093A (en) * | 2021-04-28 | 2021-07-09 | 广西玉柴机器配件制造有限公司 | Deep hanging core iron mold sand-lined casting process and sand-lined mold thereof |
| CN114799084B (en) * | 2022-05-25 | 2023-06-13 | 浙江省机电设计研究院有限公司 | Device and method for using quick-replaceable templates and sand shooting plates for sand-lined molding of different iron molds |
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| CN202861339U (en) * | 2012-07-11 | 2013-04-10 | 浙江省机电设计研究院有限公司 | Device for rapidly replacing iron sand-coating sand-shooting plate |
| CN203578696U (en) * | 2013-11-26 | 2014-05-07 | 浙江省机电设计研究院有限公司 | Sand ejecting device for use in modeling of multiple sand lined metal molds |
| CN104226924A (en) * | 2014-10-11 | 2014-12-24 | 重庆新红旗缸盖制造有限公司 | Air cooling sand shooting plate and shooting nozzle mechanism |
| CN105414490A (en) * | 2015-12-30 | 2016-03-23 | 广西玉柴机器股份有限公司 | Sand shooting plate assembly of hot box |
| CN106541086A (en) * | 2017-01-16 | 2017-03-29 | 佛山市恒学科技服务有限公司 | A kind of cold-box core blower sand shooting mouth |
| CN207239083U (en) * | 2017-08-16 | 2018-04-17 | 浙江省机电设计研究院有限公司 | A kind of sand ejection board device not waited just for plane on swage |
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