CN114932198B - Sand casting precoated sand treatment equipment and application method thereof - Google Patents
Sand casting precoated sand treatment equipment and application method thereof Download PDFInfo
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- CN114932198B CN114932198B CN202210773677.3A CN202210773677A CN114932198B CN 114932198 B CN114932198 B CN 114932198B CN 202210773677 A CN202210773677 A CN 202210773677A CN 114932198 B CN114932198 B CN 114932198B
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- 239000004576 sand Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007528 sand casting Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 238000007669 thermal treatment Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 41
- 239000007921 spray Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 210000002489 tectorial membrane Anatomy 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- -1 at the moment Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses sand casting precoated sand treatment equipment and a use method thereof, the sand casting precoated sand treatment equipment comprises an assembly box body, wherein a height adjusting mechanism is fixedly arranged at the bottom of the inner wall of the assembly box body, a thermal treatment mechanism is arranged in the assembly box body, a material stirring mechanism is fixedly arranged at one side of the outer wall of the assembly box body, a spraying mechanism is fixedly arranged on the outer surface wall of the assembly box body, the height adjusting mechanism comprises a support frame, the bottom of the support frame is fixedly arranged at the bottom of the inner wall of the assembly box body, a threaded rod is arranged in the support frame, a servo motor A is fixedly arranged at the bottom of the support frame, the output end of the servo motor A is connected with the bottom of the threaded rod, and the equipment adopts an integrated method for treating precoated sand, so that the defects existing in the traditional treatment mode are effectively replaced, the problem that part of resin in the precoated sand sprayed on the surface of a sand layer is solidified before treatment is solved, and the quality of a later-stage finished product is improved.
Description
Technical Field
The invention relates to the technical field of precoated sand treatment equipment, in particular to sand casting precoated sand treatment equipment and a using method thereof.
Background
The sand casting is a casting method for producing castings in sand molds, steel, iron and most of nonferrous alloy castings can be obtained by the sand casting method, and because the molding materials used in the sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, the casting mold is suitable for single-piece production, batch production and mass production of castings, the casting mold is always the basic process in casting production, the basic raw materials for manufacturing the sand molds are casting sand and sand binders, the most commonly used casting sand is siliceous sand, when the high-temperature performance of the siliceous sand can not meet the use requirement, special sand such as zircon sand, chromite sand and corundum sand is used, in order to ensure that the manufactured sand molds and cores have certain strength, the sand binders are generally added in casting, loose sand binders are formed by bonding, the most widely applied sand binders are clay, and sand molds can be set up according to the different modes of the used dry sand binders, such as the sand molds and the green sand molds.
Before molding, the surface of the sand of the mould needs to be coated with a layer of molding sand or core sand of a solid resin film, and resin, urotropine water solution and lubricant are added into the two raw materials to fully fuse the two raw materials, so that the required precoated sand is obtained, and finally the prepared precoated sand is sprayed on the surface of the sand layer of the mould.
However, the existing precoated sand treatment equipment has the following defects:
because the precoated sand is treated through two steps of spraying and laminating, but the internal structure of the existing equipment is single, spraying and laminating cannot be synchronously carried out, a traditional step-by-step mode of treating a mould is adopted, the precoated sand sprayed on the surface of a sand layer of the mould is solidified when being contacted with air, the structural characteristics of the resin are damaged, and the problem that the precoated sand is unevenly distributed on the surface of the sand layer when the precoated sand is treated is caused.
So we propose a sand casting precoated sand treatment device and a use method thereof, so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide sand casting precoated sand treatment equipment and a using method thereof, wherein the equipment comprises a height adjusting mechanism and a thermal treatment mechanism which are connected with an assembly box body, when a shaped sand mould is used for spraying precoated sand, an electric heating wire is electrified at the same time, along with the increase of the internal electrifying time of the electric heating wire, the temperature generated on the surface of the electric heating wire can be continuously diffused into the assembly box body, after the spraying operation is finished, a driving part in the height adjusting mechanism is used for rapidly moving the mould of the sprayed precoated sand into the assembly box body, and when the precoated sand is heated, the resin coated on the surface of sand grains is melted, so that the precoated sand is solidified and molded, and the problems raised by the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the sand casting precoated sand treatment equipment comprises an assembly box body, wherein a height convenient adjustment mechanism is fixedly arranged at the bottom of the inner wall of the assembly box body, a thermal treatment mechanism is arranged in the assembly box body, a material stirring mechanism is fixedly arranged at one side of the outer wall of the assembly box body, and a spraying mechanism is fixedly arranged on the outer surface wall of the assembly box body;
the height convenient adjustment mechanism comprises a support frame, the bottom of the support frame is fixedly arranged at the bottom of the inner wall of the assembly box body, a threaded rod is arranged in the support frame, a servo motor A is fixedly arranged at the bottom of the support frame, the output end of the servo motor A is connected with the bottom of the threaded rod, a bearing is arranged at the top of the interior of the support frame, the top of the threaded rod is fixedly inserted into the inner shaft inner surface wall of the bearing, the outer surface wall of the threaded rod is rotationally connected with a threaded sleeve plate, a grafting plate A is welded on the front surface of the threaded sleeve plate, and an object tray is fixedly arranged on the front surface of the grafting plate A;
the thermal treatment mechanism comprises two rectangular frames, the outer surface walls of the two rectangular frames are respectively and fixedly arranged on two sides of the inner wall of the assembly box body, heating wires are fixedly connected to the inner parts of the two rectangular frames, an installation hole A is formed in the inner surface wall of the assembly box body, a temperature sensor is arranged in the installation hole A, the output end of the temperature sensor is connected with an inner flat cable in the assembly box body, and a display screen is arranged on the front surface of the assembly box body.
Preferably, two slide ways are arranged on the front surface of the support frame, L-shaped limiting rods are fixedly arranged on two sides of the outer wall of the threaded sleeve plate, and the outer surface walls of the two L-shaped limiting rods are respectively arranged in the slide ways.
Preferably, the material stirring mechanism comprises a grafting plate B, the outer surface wall of the grafting plate B is welded on one side of the outer wall of the assembly box body, a connecting lantern ring A is fixedly arranged at the top of the grafting plate B, and a material storage cylinder is fixedly inserted into the inner surface wall of the connecting lantern ring A.
Preferably, a group of external connecting rods are fixedly inserted into the inner surface wall of the storage cylinder, a connecting sleeve ring B is fixedly sleeved between the outer surface walls of the group of external connecting rods, and a servo motor B is fixedly inserted into the inner surface wall of the connecting sleeve ring B.
Preferably, the bottom fixed mounting of servo motor B has the stop collar, servo motor B's output fixedly connected with transfer line, the bottom welding of transfer line has a set of extension rod, a set of the equal fixed mounting in top of extension rod has the puddler.
Preferably, the spraying mechanism comprises a reinforcing plate A, the outer surface wall of the reinforcing plate A is fixedly arranged on the rear surface of the assembly box body, an L-shaped frame is welded on the outer surface wall of the reinforcing plate A, an inner slot is formed in the top of the L-shaped frame, and a group of sliding rods are fixedly inserted between the inner surface walls of the inner slot.
Preferably, a movable plate is movably sleeved between the outer surface walls of the group of sliding rods, an electric telescopic rod is arranged in the L-shaped frame, the output end of the electric telescopic rod is fixedly inserted into the movable plate, an intersection box is fixedly arranged at the bottom of the movable plate, and a group of spray guns are fixedly communicated with the bottom of the intersection box.
Preferably, a reinforcing plate B is fixedly installed on one side of the outer wall of the assembly box body, a grafting plate C is welded on the outer surface wall of the reinforcing plate B, two connecting lantern rings C are fixedly installed in the grafting plate C, a booster pump is fixedly inserted into the inner surface wall of the connecting lantern rings C, a group of primary conveying pipes are fixedly communicated with the bottom of the storage barrel, a group of discharging ends of the primary conveying pipes are respectively communicated with the output ends of the booster pump, a group of secondary conveying pipes are fixedly communicated on one side of the outer wall of the junction box, and the feeding ends of the secondary conveying pipes are respectively communicated with the output ends of the booster pump.
The application method of the sand casting precoated sand treatment equipment comprises the following steps:
step one: the method comprises the steps of pouring the prepared precoated sand solution into a storage cylinder, placing a formed sand mould in a storage tray, starting a booster pump in a connecting lantern ring C, rapidly extracting solution materials reserved in the storage cylinder, and conveying the solution materials by using a primary conveying pipe and a secondary conveying pipe to ensure that the solution materials continuously enter the interior of a junction box.
Step two: at the same time, the current introduced into the device is rapidly introduced into the connecting collar A through the transmission of the internal flat cable, and the high temperature released by the surface of the connecting collar A is continuously diffused into the assembly box body.
Step three: when the volume of the solution in the junction box is continuously increased, the pressure in the junction box is gradually increased, part of the solution is extruded into the spray gun, and the raw material is compressed by the spray head of the spray gun and finally sprayed on the surface of sand grains in an atomized mode.
Step four: after the precoated sand spraying is finished, the temperature in the assembly box body is detected in real time by a temperature sensor, data are quickly led into a display screen, after the temperature value reaches a processing range, a servo motor A in the support frame is started, the threaded rod is enabled to rotate in the support frame by utilizing the characteristics of the bearing and acts on the threaded sleeve plate, and the die in the storage tray is driven to move downwards.
Step five: and finally, the die enters the assembly box body, and after a layer of precoated sand covered on the sand surface contacts with high temperature, the structural change process of the resin is rapidly carried out.
Preferably, in the first step, after the precoated sand solution is poured into the storage cylinder, the servo motor B in the connecting sleeve ring B is started and acts on the transmission rod to drive the stirring rod on the extension rod to rotate at a high speed in the storage cylinder, and the flow rate of the precoated sand solution in the storage cylinder is accelerated.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the die after sand grain shaping is firstly placed into the object placing tray, after the whole device is electrified, current is continuously led into the heating wire, generated high temperature is continuously diffused into the interior of the assembly box body, the temperature in the assembly box body is quickly increased to a treatment range, after the shaping sand grain spraying is finished, the driving device in the height adjusting mechanism is started, the die in the object placing tray is driven to move downwards and finally enters the interior of the assembly box body, the device adopts heat generation to treat the precoated sand, at the moment, resin coated on the sand grain surface is melted when the precoated sand is heated, the resin contained in the precoated sand can be quickly melted into a molten state under the action of methylene decomposed by an auxiliary agent, the principle is that the resin is quickly transformed into a non-molten body type structure from a linear structure, so that the precoated sand is solidified and molded, the device adopts an integrated method for treating the precoated sand, the defects existing in the traditional treatment mode are effectively overcome, the problem that the part of the precoated sand on the surface is solidified before the treatment, and the quality of the resin is improved.
2. According to the invention, the material stirring mechanism is arranged, and after the core sand subjected to the fusion of various auxiliary liquids is poured into the storage cylinder, the stirring rod is driven to rotate in the storage cylinder at a high speed by utilizing the driving part in the mechanism, so that the mixture in the storage cylinder is always in a state of high-speed flow, and the phenomenon that part of the core sand is precipitated is effectively avoided.
Drawings
FIG. 1 is a perspective view of a front view structure of a sand casting precoated sand treatment device and a use method thereof according to the present invention;
FIG. 2 is a side view in perspective of a sand casting precoated sand treatment apparatus and method of use of the apparatus of the present invention;
FIG. 3 is an enlarged perspective view of the bottom side structure of a sand casting precoated sand treatment device and a use method thereof according to the present invention;
FIG. 4 is an enlarged perspective view of the structure of the height adjustment mechanism of the sand casting precoated sand treatment device and the use method thereof;
FIG. 5 is an enlarged perspective view of the structure of a thermal processing mechanism of the sand casting precoated sand treatment device and the use method thereof;
FIG. 6 is an enlarged perspective view of a portion of the structure of a sand casting precoated sand treatment apparatus and method of use of the apparatus of the present invention;
FIG. 7 is an enlarged perspective view of the structure of a spraying mechanism in the sand casting precoated sand treatment device and the use method thereof;
FIG. 8 is an enlarged perspective view of the structure A in FIG. 4 of a sand casting precoated sand treatment apparatus and a method of using the same according to the present invention;
fig. 9 is an enlarged perspective view of the structure at B in fig. 3 of a sand casting precoated sand treatment apparatus and a method of using the same according to the present invention.
In the figure: 1. assembling a box body; 2. a height convenient adjustment mechanism; 201. a support frame; 202. a threaded rod; 203. a servo motor A; 204. a bearing; 205. a thread sleeve plate; 206. grafting plate A; 207. a storage tray; 208. a slideway; 209. an L-shaped limiting rod; 3. a thermal processing mechanism; 301. a rectangular frame; 302. heating wires; 303. a mounting hole A; 304. a temperature sensor; 305. a display screen; 4. a material stirring mechanism; 401. grafting plate B; 402. a connecting collar A; 403. a storage cylinder; 404. a connecting collar B; 405. a servo motor B; 406. a limit sleeve; 407. a transmission rod; 408. an extension rod; 409. a stirring rod; 5. a spraying mechanism; 501. a reinforcing plate A; 502. an L-shaped frame; 503. an inner slot; 504. a slide bar; 505. a movable plate; 506. a junction box; 507. an electric telescopic rod; 508. a reinforcing plate B; 509. grafting plate C; 510. a connecting collar C; 511. a booster pump; 512. a primary feed delivery pipe; 513. a secondary feed delivery tube; 514. a spray gun.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a sand casting tectorial membrane sand treatment facility, includes assembly box 1, and assembly box 1's inner wall bottom fixed mounting has highly just to transfer mechanism 2, and assembly box 1's inside is provided with thermal treatment mechanism 3, and assembly box 1's outer wall one side fixed mounting has material stirring mechanism 4, and assembly box 1's outward appearance wall fixed mounting has spraying mechanism 5.
According to the figures 1-5 and 8, the height-adjusting mechanism 2 comprises a supporting frame 201, the bottom of the supporting frame 201 is fixedly arranged at the bottom of the inner wall of the assembly box 1, a threaded rod 202 is arranged in the supporting frame 201, a servo motor A203 is fixedly arranged at the bottom of the supporting frame 201, the output end of the servo motor A203 is connected with the bottom of the threaded rod 202, a bearing 204 is arranged at the top of the inside of the supporting frame 201, the top of the threaded rod 202 is fixedly inserted into the inner surface wall of the bearing 204, the outer surface wall of the threaded rod 202 is rotatably connected with a threaded sleeve plate 205, the front surface of the threaded sleeve plate 205 is welded with a grafting plate A206, a storage tray 207 is fixedly arranged on the front surface of the grafting plate A206, the thermal treatment mechanism 3 comprises two rectangular frames 301, the outer surface walls of the two rectangular frames 301 are respectively fixedly arranged at two sides of the inner wall of the assembly box 1, the inside of two rectangle frames 301 is all fixedly connected with heating wire 302, installation hole A303 has been seted up to the interior table wall of assembly box 1, the inside of installation hole A303 is provided with temperature sensor 304, temperature sensor 304's output and the inside winding displacement in the assembly box 1 are connected, the positive surface of assembly box 1 is provided with display screen 305, sand mould after the design is in the in-process of spraying tectorial membrane sand, switch on heating wire 302 simultaneously, along with the increase of the inside energization time of heating wire 302, the inside of assembly box 1 can be continuously diffused to the temperature that its surface produced, after the spraying work is accomplished this moment, utilize the drive part in the just mechanism 2 of height to remove the mould of tectorial membrane sand after the spraying to assembly box 1 fast, the resin melting at sand grain surface when tectorial membrane sand is heated, thereby make tectorial membrane sand solidification shaping.
According to the illustration shown in fig. 4, two slide ways 208 are provided on the front surface of the supporting frame 201, L-shaped limiting rods 209 are fixedly installed on two sides of the outer wall of the threaded sleeve plate 205, the outer surface walls of the two L-shaped limiting rods 209 are respectively arranged in the slide ways 208, and the swing angle generated when the threaded sleeve plate 205 moves can be effectively limited by arranging the L-shaped limiting rods 209.
According to the figures 1-3 and 5, the material stirring mechanism 4 comprises a grafting plate B401, the outer surface wall of the grafting plate B401 is welded on one side of the outer wall of the assembly box body 1, a connecting sleeve ring A402 is fixedly arranged at the top of the grafting plate B401, a material storage cylinder 403 is fixedly inserted into the inner surface wall of the connecting sleeve ring A402, and a short storage space is provided for precoated sand solution by arranging the material storage cylinder 403.
According to fig. 5-6, a group of external connection rods are fixedly inserted into the inner surface wall of the storage cylinder 403, a connection sleeve ring B404 is fixedly sleeved between the external surface walls of the group of external connection rods, a servo motor B405 is fixedly inserted into the inner surface wall of the connection sleeve ring B404, and the servo motor B405 is arranged to provide power support for stirring of the mechanism.
According to the illustration of fig. 6, a limiting sleeve 406 is fixedly installed at the bottom of a servo motor B405, a transmission rod 407 is fixedly connected to the output end of the servo motor B405, a group of extension rods 408 are welded at the bottom of the transmission rod 407, stirring rods 409 are fixedly installed at the tops of the group of extension rods 408, and the left-right swing amplitude generated when the transmission rod 407 rotates is effectively limited by arranging the limiting sleeve 406, so that the stability of the servo motor B405 during construction is improved.
According to fig. 1-3 and 7, the spraying mechanism 5 comprises a reinforcing plate a501, the outer surface wall of the reinforcing plate a501 is fixedly arranged on the rear surface of the assembly box body 1, an L-shaped frame 502 is welded on the outer surface wall of the reinforcing plate a501, an inner slot 503 is formed in the top of the L-shaped frame 502, a group of sliding rods 504 are fixedly inserted between the inner surface walls of the inner slot 503, and the movable connectivity between the sliding rods 504 and the movable plate 505 is utilized to enable the junction box 506 to have a flexible moving condition.
According to the illustration shown in fig. 7 and 9, a movable plate 505 is movably sleeved between the outer surface walls of a group of slide bars 504, an electric telescopic rod 507 is arranged in the L-shaped frame 502, the output end of the electric telescopic rod 507 is fixedly inserted in the movable plate 505, a junction box 506 is fixedly arranged at the bottom of the movable plate 505, a group of spray guns 514 are fixedly communicated with the bottom of the junction box 506, and the spray heads in the junction box 514 can compress the solution by arranging the spray guns 514, so that the solution can be decomposed into a mist form, and the solution sprayed on the surface of sand grains is ensured to be distributed uniformly.
According to the illustration shown in fig. 3, a reinforcing plate B508 is fixedly installed on one side of the outer wall of the assembly box 1, a grafting plate C509 is welded on the outer surface wall of the reinforcing plate B508, two connecting lantern rings C510 are fixedly installed inside the grafting plate C509, a booster pump 511 is fixedly inserted into the inner surface walls of the two connecting lantern rings C510, a group of primary conveying pipes 512 are fixedly communicated with the bottom of the storage cylinder 403, the discharge ends of the group of primary conveying pipes 512 are respectively communicated with the output ends of the booster pump 511, a group of secondary conveying pipes 513 are fixedly communicated with one side of the outer wall of the junction box 506, the feed ends of the group of secondary conveying pipes 513 are respectively communicated with the output ends of the booster pump 511, and after the booster pump 511 is started, a precoated sand solution inside the storage cylinder 403 is extracted through the primary conveying pipes 512 and the secondary conveying pipes 513, and the solution is continuously conveyed into the junction box 506.
The whole mechanism achieves the following effects: firstly, the equipment is moved to a designated working area, firstly, the prepared precoated sand solution is poured into a storage cylinder 403, after the formed sand mould is placed in a storage tray 207, a booster pump 511 in a connecting sleeve ring C510 is started, the solution material reserved in the storage cylinder 403 is rapidly extracted by utilizing the adsorption effect generated by rotation of an internal impeller, the solution material is continuously fed into the interior of a junction box 506 by utilizing the delivery of a primary delivery pipe 512 and a secondary delivery pipe 513, meanwhile, the current fed in the equipment is rapidly introduced into the connecting sleeve ring A402 by the transmission of an internal flat cable, the high temperature released by the surface of the current is continuously diffused into the interior of an assembly box 1, when the volume of the solution in the junction box 506 is continuously increased, the pressure in the junction box 506 is gradually increased, part of the solution is extruded into a spray gun 514, the raw material is compressed by the spray head of the spray gun 514, finally spraying the spray gun 514 on the surface of sand grains in an atomization mode, when spraying the surface of the sand grains, by utilizing the movable connectivity between the sliding rod 504 and the movable plate 505, starting the electric telescopic rod 507, quickly changing the spraying direction of the spray gun 514, enabling the spray gun 514 to move forwards from back to back, spraying the surface of the sand grains, after the spraying of the precoated sand is finished, detecting the temperature in the assembled box 1 by the temperature sensor 304 in real time, quickly introducing data into the display screen 305, after the temperature value reaches a processing range, starting the servo motor A203 in the supporting frame 201, enabling the threaded rod 202 to rotate in the supporting frame 201 by utilizing the characteristics of the bearing 204, acting on the threaded sleeve plate 205, driving the mould of the object placing tray 207 to move downwards, finally enabling the mould to enter the inside of the assembled box 1, and after a layer of precoated sand covered by the surface of the sand grains contacts with high temperature, the structural change process of the resin is rapidly carried out.
The invention also provides a using method of the sand casting precoated sand treatment equipment, which comprises the following steps:
step one: the prepared precoated sand solution is poured into the storage cylinder 403, and after the formed sand mould is placed in the storage tray 207, the booster pump 511 in the connecting sleeve ring C510 is started, the solution material reserved in the storage cylinder 403 is rapidly extracted, and the solution material is conveyed by the primary conveying pipe 512 and the secondary conveying pipe 513, so that the solution material continuously enters the interior of the junction box 506.
Step two: at the same time, the current flowing in the device is quickly led into the connecting collar a402 through the transmission of the internal flat cable, and the high temperature released by the surface of the connecting collar a is continuously diffused into the interior of the assembly box 1.
Step three: when the volume of the solution in the junction box 506 is continuously increased, the pressure in the junction box 506 is gradually increased, part of the solution is extruded into the spray gun 514, and the raw material is compressed by the spray head of the spray gun 514 and finally sprayed on the surface of sand grains in an atomized mode.
Step four: when the precoated sand is sprayed, the temperature in the assembly box 1 is detected by the temperature sensor 304 in real time, data are quickly led into the display screen 305, after the temperature value reaches the processing range, the servo motor A203 in the support frame 201 is started, the threaded rod 202 rotates in the support frame 201 by utilizing the characteristic of the bearing 204 and acts on the thread bushing plate 205 to drive the mould in the storage tray 207 to move downwards.
Step five: and the final die enters the assembly box body 1, and after a layer of precoated sand covered on the sand surface contacts with high temperature, the structural change process of the resin is rapidly carried out.
The use method of the sand casting precoated sand treatment equipment is basically the same as that of the sand casting precoated sand treatment equipment, and the main differences are that: after the precoated sand solution is poured into the storage cylinder 403, the servo motor B405 in the connecting sleeve ring B404 is started and acts on the transmission rod 407, so that the stirring rod 409 on the extension rod 408 is driven to rotate at a high speed in the storage cylinder 403, the flow rate of the precoated sand solution in the storage cylinder 403 is accelerated, and the phenomenon that part of core sand is precipitated is effectively avoided.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a sand casting tectorial membrane sand treatment facility which characterized in that: the device comprises an assembly box body (1), wherein a height convenient adjusting mechanism (2) is fixedly arranged at the bottom of the inner wall of the assembly box body (1), a thermal treatment mechanism (3) is arranged in the assembly box body (1), a material stirring mechanism (4) is fixedly arranged at one side of the outer wall of the assembly box body (1), and a spraying mechanism (5) is fixedly arranged on the outer surface wall of the assembly box body (1);
the height convenient adjustment mechanism (2) comprises a support frame (201), the bottom of the support frame (201) is fixedly arranged at the bottom of the inner wall of the assembly box body (1), a threaded rod (202) is arranged in the support frame (201), a servo motor A (203) is fixedly arranged at the bottom of the support frame (201), the output end of the servo motor A (203) is connected with the bottom of the threaded rod (202), a bearing (204) is arranged at the top of the interior of the support frame (201), the top of the threaded rod (202) is fixedly inserted into the inner shaft inner surface wall of the bearing (204), the outer surface wall of the threaded rod (202) is rotatably connected with a threaded sleeve plate (205), a grafting plate A (206) is welded on the front surface of the threaded sleeve plate (205), and a placement tray (207) is fixedly arranged on the front surface of the grafting plate A (206).
The thermal treatment mechanism (3) comprises two rectangular frames (301), the outer surface walls of the rectangular frames (301) are respectively and fixedly arranged on two sides of the inner wall of the assembly box body (1), the two inner surfaces of the rectangular frames (301) are fixedly connected with heating wires (302), an installation hole A (303) is formed in the inner surface wall of the assembly box body (1), a temperature sensor (304) is arranged in the installation hole A (303), the output end of the temperature sensor (304) is connected with an inner flat cable in the assembly box body (1), the front surface of the assembly box body (1) is provided with a display screen (305), the material stirring mechanism (4) comprises a grafting plate B (401), the outer surface wall of the grafting plate B (401) is welded on one side of the outer wall of the assembly box body (1), a connecting sleeve ring A (402) is fixedly arranged at the top of the grafting plate B (401), a storage cylinder (403) is fixedly inserted into the inner surface wall of the connecting sleeve A (402), the inner surface wall of the connecting sleeve A (403) is fixedly provided with a connecting rod (405), a group of outer surface of the connecting sleeve (404) is fixedly arranged between the outer surface of the connecting sleeve (404) and the outer surface of the connecting sleeve (404), the output end of the servo motor B (405) is fixedly connected with a transmission rod (407), the bottom of the transmission rod (407) is welded with a group of extension rods (408), the tops of the group of extension rods (408) are fixedly provided with stirring rods (409), the spraying mechanism (5) comprises a reinforcing plate A (501), the outer surface wall of the reinforcing plate A (501) is fixedly arranged on the rear surface of the assembly box body (1), the outer surface wall of the reinforcing plate A (501) is welded with an L-shaped frame (502), the top of the L-shaped frame (502) is provided with an inner groove (503), a group of sliding rods (504) are fixedly inserted between the inner surface walls of the inner groove (503), a movable plate (505) is movably sleeved between the outer surface walls of the sliding rods (504), an electric telescopic rod (507) is arranged in the L-shaped frame (502), the output end of the electric telescopic rod (507) is fixedly inserted into the movable plate (505), an intersection box (506) is fixedly arranged at the bottom of the movable plate (505), a group of spray guns (514) are fixedly communicated with the bottom of the intersection box (506), a reinforcing plate B (508) is fixedly arranged at one side of the outer wall of the assembly box body (1), a grafting plate C (509) is welded on the outer surface wall of the reinforcing plate B (508), two connecting lantern rings C (510) are fixedly arranged in the grafting plate C (509), two the interior table wall of connecting lantern ring C (510) is all fixed to be inserted and is equipped with booster pump (511), the fixed intercommunication in bottom of storage cylinder (403) has a set of elementary conveying pipeline (512), a set of the discharge end of elementary conveying pipeline (512) is linked together with the output of booster pump (511) respectively, the fixed intercommunication in outer wall one side of meeting case (506) has a set of secondary conveying pipeline (513), a set of the feed end of secondary conveying pipeline (513) is linked together with the output of booster pump (511) respectively.
2. The sand casting precoated sand treatment apparatus according to claim 1, wherein: two slide ways (208) are arranged on the front surface of the supporting frame (201), L-shaped limiting rods (209) are fixedly arranged on two sides of the outer wall of the threaded sleeve plate (205), and the outer surface walls of the two L-shaped limiting rods (209) are respectively arranged in the slide ways (208).
3. A method of using a sand casting coated sand treatment apparatus according to any one of claims 1-2, comprising the steps of:
s1: pouring the prepared precoated sand solution into a storage cylinder (403), placing a formed sand mould in a storage tray (207), starting a booster pump (511) in a connecting lantern ring C (510), rapidly extracting the solution material reserved in the storage cylinder (403), and conveying the solution material by using a primary conveying pipe (512) and a secondary conveying pipe (513) to ensure that the solution material continuously enters the interior of a junction box (506);
s2: meanwhile, the current introduced into the equipment can be quickly introduced into the connecting lantern ring A (402) through the transmission of the internal flat cable, and the high temperature released by the surface of the connecting lantern ring A can be continuously diffused into the assembly box body (1);
s3: when the volume of the solution in the junction box (506) is continuously increased, the pressure in the junction box (506) is gradually increased, part of the solution is extruded into the spray gun (514), and then the raw material is compressed by the spray head of the spray gun (514) and finally sprayed on the surface of sand grains in an atomized mode;
s4: when the precoated sand is sprayed, the temperature in the assembly box body (1) is detected by a temperature sensor (304) in real time, data are quickly led into a display screen (305), after the temperature value reaches a processing range, a servo motor A (203) in a supporting frame (201) is started, a threaded rod (202) rotates in the supporting frame (201) by utilizing the characteristics of a bearing (204) and acts on a thread bushing plate (205) to drive a mould in a storage tray (207) to move downwards;
s5: and finally, the die enters the assembly box body (1), and after a layer of precoated sand covered on the sand surface contacts with high temperature, the structural change process of the resin is rapidly carried out.
4. A method of using a sand casting precoated sand treatment apparatus according to claim 3, wherein: in the step S1, after the precoated sand solution is poured into the storage cylinder (403), a servo motor B (405) in a connecting sleeve ring B (404) is started and acts on a transmission rod (407), so that a stirring rod (409) on an extension rod (408) is driven to rotate at a high speed in the storage cylinder (403), and the flow rate of the precoated sand solution in the storage cylinder (403) is accelerated.
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| CN202210773677.3A CN114932198B (en) | 2022-07-01 | 2022-07-01 | Sand casting precoated sand treatment equipment and application method thereof |
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| CN202210773677.3A CN114932198B (en) | 2022-07-01 | 2022-07-01 | Sand casting precoated sand treatment equipment and application method thereof |
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| CN114932198B true CN114932198B (en) | 2023-05-16 |
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| JPH07204774A (en) * | 1994-01-20 | 1995-08-08 | Mazda Motor Corp | Resin coated sand for casting and its production and apparatus for production |
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Denomination of invention: A sand mold casting coated sand treatment equipment and its usage method Granted publication date: 20230516 Pledgee: Wuhu Jinfan Financing Guarantee Co.,Ltd. Pledgor: WUHU JIUHONG HEAVY INDUSTRY CO.,LTD. Registration number: Y2024980004064 |