CN112404356A - Sand cleaning device for 3D sand mold printing - Google Patents

Sand cleaning device for 3D sand mold printing Download PDF

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Publication number
CN112404356A
CN112404356A CN202011349837.9A CN202011349837A CN112404356A CN 112404356 A CN112404356 A CN 112404356A CN 202011349837 A CN202011349837 A CN 202011349837A CN 112404356 A CN112404356 A CN 112404356A
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CN
China
Prior art keywords
sand
sand cleaning
cleaning
chamber
gas pipe
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Pending
Application number
CN202011349837.9A
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Chinese (zh)
Inventor
段戈扬
樊一扬
刘江博闻
张硕
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Kang Shuo Deyang Intelligent Manufacturing Co ltd
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Kang Shuo Deyang Intelligent Manufacturing Co ltd
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Application filed by Kang Shuo Deyang Intelligent Manufacturing Co ltd filed Critical Kang Shuo Deyang Intelligent Manufacturing Co ltd
Priority to CN202011349837.9A priority Critical patent/CN112404356A/en
Publication of CN112404356A publication Critical patent/CN112404356A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a sand cleaning device for 3D sand mold printing, which comprises a sand cleaning vehicle and a sand cleaning chamber, wherein the four inner side walls of the sand cleaning chamber are respectively provided with a first sand cleaning mechanism, each first sand cleaning mechanism comprises a gas pipe frame movably connected with the inner side wall of the sand cleaning chamber, the gas pipe frame is uniformly provided with a plurality of first spray heads, the inner side wall is provided with a first movable assembly which is fixedly connected with the gas pipe frame and enables the gas pipe frame to move up and down along the inner side wall, the inner top wall of the sand cleaning chamber is also provided with a second sand cleaning mechanism, the second sand cleaning mechanism comprises a sand cleaning cover, a plurality of second spray heads which are uniformly distributed on the sand cleaning cover and a second movable assembly which is connected with the top of the sand cleaning cover and is used for driving the sand cleaning cover to move up and down, the sand cleaning vehicle is provided with a sand cleaning platform, and the sand cleaning platform is provided with a roller way structure, still be provided with dust removal mechanism on one side lateral wall of sand removal room, solve the not good technical problem of prior art sand removal effect.

Description

Sand cleaning device for 3D sand mold printing
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to a sand cleaning device for 3D sand mold printing.
Background
The additive manufacturing technology is the most popular technology in the 21 st century due to the high speed, high efficiency and intelligent operation, and the 3D printing technology belongs to a branch of additive manufacturing. Utilize 3D printing technique to print sand mould or sand mould of casting usefulness, can realize the rapid production of complicated part, shorten research and development cycle, reduce research and development cost, improve research and development efficiency. However, the wall surface of the sand mold or sand mold for 3D printing is often adhered with excessive sand, or a supporting structure provided for supporting the wall surface of the inner cavity needs to be removed in a later process. The current is often that the manual work is emptyd and is cleared up, and the sand mould or the sand mould that the inner chamber structure is complicated like this often can cause the clearance difficulty to fall unclean, and large-scale sand mould produces the damage easily at the in-process of clearance, can cause dust pollution moreover.
The Chinese patent application with the publication number of CN111716724A and the publication date of 2020, 9 and 29 discloses a sand-cleaning and piece-taking device of a 3D printer, the device comprises a bottom plate, a bracket is arranged on the right side of the top end of the bottom plate, a top plate is arranged on the top of the bracket, the middle part of the bottom surface of the top plate is provided with printing equipment, the top end of the bottom plate is transversely provided with a sliding chute, the printing base is positioned at the right side of the sliding groove for printing, after printing is finished, the printing base moves to the lower side of the cover body under the transmission action of the screw rod, the cover body moves downwards through the electric telescopic rod to cover a finished product object, then the finished product is washed with high-pressure gas through the gas injection pipe, so that the fine sand remained on the finished product is fully blown off, then the cover body moves upwards to reset, the printing table is turned over, and the surface of the printing table is impacted by high-pressure gas, so that fine sand on the surface of the printing table is fully removed and falls into a sand collecting box. Although the technical scheme can sweep and collect the fine sand on the sand mold to a certain extent, when the sand mold is swept by covering the cover body in the technical scheme, the whole cover body is filled with the raised fine sand, and even if the cover body is transparent, the sight of workers can be influenced, and the sweeping process is not easy to control; in addition, the situation that fine sand is attached to the surface of the sand mold again after being blown easily occurs by adopting the blowing mode, and the sand cleaning effect is influenced.
Disclosure of Invention
The invention aims to provide a sand cleaning device for 3D sand mold printing, and aims to solve the technical problem that in the prior art, fine sand is attached to the surface of a sand mold again after sand cleaning, so that the sand cleaning effect is influenced.
The invention is realized by adopting the following technical scheme.
The invention provides a sand cleaning device for 3D sand mold printing, which comprises a sand cleaning vehicle and a sand cleaning chamber, wherein the front side and the rear side of the sand cleaning chamber are respectively provided with a first closed door for the sand cleaning vehicle to pass through, the four inner side walls of the sand cleaning chamber are respectively provided with a first sand cleaning mechanism, each first sand cleaning mechanism comprises a gas pipe frame movably connected with the inner side wall of the sand cleaning chamber, the gas pipe frame is uniformly provided with a plurality of first spray heads, the inner side wall is provided with a first movable assembly which is fixedly connected with the gas pipe frame and enables the gas pipe frame to move up and down along the inner side wall, the gas pipe frame is also communicated with a compressed gas pipeline extending to the outside of the sand cleaning chamber, the inner top wall of the sand cleaning chamber is also provided with a second sand cleaning mechanism, the second sand cleaning mechanism comprises a sand cleaning cover, a plurality of second spray heads uniformly distributed on the sand cleaning cover, and a second movable assembly which is connected with the top of the sand cleaning cover and is used for driving the sand cleaning cover to move up and down, the sand cleaning cover is communicated with a compressed gas pipeline outside the sand cleaning chamber, a sand cleaning platform is arranged on the sand cleaning vehicle, a roller way structure is arranged on the sand cleaning platform, a sand collecting box is arranged below the roller way structure, and a dust removing mechanism is further arranged on the side wall of one side of the sand cleaning chamber.
Preferably, the first movable assembly comprises a first motor fixed at the top outside the sand cleaning chamber, a lead screw connected with an output shaft of the first motor, and a movable block connected with the lead screw in a rolling manner, the lead screw penetrates through the top wall of the sand cleaning chamber and extends into the sand cleaning chamber, and the movable block is fixedly connected with the gas pipe frame.
Preferably, the gas pipe support comprises a plurality of criss-cross and the gas branch pipe of intercommunication each other, first shower nozzle evenly set up in on the gas branch pipe, the compressed gas pipeline with the gas branch pipe intercommunication.
Preferably, the sand removing cover comprises an inner shell and an outer shell which are integrally connected, a gas cavity is formed between the inner shell and the outer shell, the second spray head is positioned on the inner shell and communicated with the gas cavity, and the compressed gas pipeline is communicated with the gas cavity.
Preferably, the inner shell is of an upwardly convex arc structure.
Preferably, the second movable assembly comprises a second motor fixed at the top of the outer side of the sand cleaning chamber and an electric telescopic rod connected with the output end of the second motor, and the electric telescopic rod penetrates through the top wall of the sand cleaning chamber, extends into the sand cleaning chamber and is fixedly connected with the top of the sand cleaning cover.
Preferably, the roller structure on the sand removing platform comprises a plurality of roller shafts arranged side by side, a certain gap is formed between every two adjacent roller shafts, a rotating gear is arranged at the end part of each roller shaft, a third motor is arranged at one end of the roller structure, a driving gear is arranged at the output end of the third motor, and the driving gear and the rotating gear are both connected with a rack arranged on the sand removing platform in a meshed mode.
Preferably, a funnel-shaped sand collecting hopper is fixedly connected below the roller way structure, and the sand collecting box is located below the sand collecting hopper.
Preferably, the dust removing mechanism comprises a dust removing opening formed in the side wall of one side of the sand removing chamber, a dust removing pipeline communicated with the dust removing opening, and a cyclone dust collector communicated with the dust removing pipeline.
Preferably, a manual sand cleaning pipe communicated with a compressed gas pipeline is further arranged in the sand cleaning chamber, an operation opening convenient for manual sand cleaning is formed in the side wall of one side of the sand cleaning chamber, and a second closed door is arranged at the operation opening.
Compared with the prior art, the invention has the following beneficial effects:
(1) through the cooperation of first shower nozzle and second shower nozzle, can reach the all-round of sand mould and sweep, clear away fast sand in sand mould surface and interior passageway or hole.
(2) The rotation through the roll table structure drives the translation of sand mould, and at roll table structure pivoted in-process, the sand that adheres to on the roll table structure can drop to the collection sand box of below, and at the in-process of sand mould translation, the remaining sand of sand mould bottom also can drop, ensures that the sand of bottom is fully clear away.
(3) The dust removal mechanism is used for removing dust in the sand cleaning chamber, so that on one hand, sand powder raised in the sand cleaning process can be removed, and the sand cleaning chamber is prevented from being filled with the sand powder, and the sight of workers is prevented from being influenced; on the other hand, the sand powder can be prevented from entering electronic elements or equipment to cause damage; the most important thing is to avoid that the floating sand powder in the sand cleaning chamber is attached to the sand mold again to influence the sand cleaning effect in the sand cleaning process and after the sand cleaning is finished.
(4) Through the design of manual sand removal pipe, can realize that the back is accomplished in the machine sand removal, the artifical manual sand powder that remains in micropore and the narrow passageway in the sand mould is clear away, improves the effect that the sand powder was clear away, concentrates on a space process with machine sand removal and artifical sand removal in, can save space, simplifies process flow.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a sand removing device for 3D sand mold printing according to the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the sand cleaning truck of the present invention;
fig. 4 is a rear view of fig. 1.
Reference numerals: 1-a sand cleaning vehicle, 2-a sand cleaning chamber, 3-a first closed door, 4-a gas pipe frame, 5-a first spray head, 6-a sand cleaning cover, 7-a second spray head, 8-a roller way structure, 9-a sand collecting box, 10-a first motor, 11-a screw rod, 12-a moving block, 13-a gas branch pipe, 14-an inner shell, 15-an outer shell, 16-a second motor, 17-an electric telescopic rod, 18-a rotating gear, 19-a third motor, 20-a driving gear, 21-a rack, 22-a sand collecting hopper, 23-a dust removing port, 24-a dust removing pipeline, 25-a cyclone dust remover, 26-a manual sand cleaning pipe, 27-an operation port and 28-a second closed door.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-2, the embodiment provides a sand removing device for 3D sand mold printing, the sand removing device comprises a sand removing vehicle 1 and a sand removing chamber 2, first closing doors 3 for the sand removing vehicle 1 to pass through are respectively arranged on the front side and the rear side of the sand removing chamber 2, first sand removing mechanisms are respectively arranged on the four inner side walls of the sand removing chamber 2, each first sand removing mechanism comprises a gas pipe frame 4 movably connected with the inner side wall of the sand removing chamber 2, a plurality of first spray heads 5 are uniformly arranged on the gas pipe frame 4, a first movable assembly which is fixedly connected with the gas pipe frame 4 and enables the gas pipe frame 4 to move up and down along the inner side wall is arranged on the inner side wall, the gas pipe frame 4 is further communicated with a compressed gas pipeline extending to the outside of the sand removing chamber 2, a second sand removing mechanism is further arranged on the inner top wall of the sand removing chamber 2, and comprises a sand removing cover 6, evenly distributed is in a plurality of second shower nozzles 7 on sand removal cover 6 to and be connected with sand removal cover 6 top be used for driving the second movable assembly of sand removal cover 6 up-and-down motion, sand removal cover 6 and the outside compressed gas pipeline intercommunication of sand removal room 2, be provided with sand removal platform on sand removal car 1, be provided with roll table structure 8 on the sand removal platform, the below of roll table structure 8 is provided with sand collection box 9, still be provided with dust removal mechanism on one side lateral wall of sand removal room 2.
It should be noted that the sand cleaning device for 3D sand mold printing according to this embodiment includes two parts, i.e. a sand cleaning cart 1 and a sand cleaning chamber 2, wherein the four inner side walls of the sand cleaning chamber 2 are provided with a first sand cleaning mechanism which comprises a gas pipe support 4 connected with a compressed air pipeline and can be filled with compressed air, the gas pipe support 4 is provided with a first spray head 5, the gas pipe frame 4 moves up and down along the inner side wall through a first movable assembly arranged on the inner side wall, in addition, a second sand cleaning mechanism is arranged on the inner top wall of the sand cleaning chamber 2, the second sand cleaning mechanism comprises a sand cleaning cover 6 connected with a compressed gas pipeline, compressed air can be introduced, a second spray nozzle 7 is arranged on the sand cleaning cover 6, similarly, a second movable assembly capable of enabling the sand cleaning cover 6 to move up and down is also arranged on the sand cleaning cover 6, and a dust removing mechanism is arranged on the side wall of one side of the sand cleaning chamber 2. In addition, a sand cleaning platform is arranged on the sand cleaning vehicle 1, a sand mold printed to be cleaned is placed on a roller way structure 8 on the sand cleaning platform, and a sand collecting box 9 below the roller way can collect redundant sand in the sand cleaning process. In the sand cleaning device of the embodiment, when the sand cleaning work is performed, the sand cleaning vehicle 1 is loaded with a sand mold printed to be cleaned, and is pushed into the sand cleaning chamber 2, after the sand cleaning vehicle 1 is fixed, the sealing door of the sand cleaning chamber 2 is closed, then the first motor 10 and the second motor 16 are started to drive the first sand cleaning mechanism and the second sand cleaning mechanism to descend to the sand mold and be close to the sand mold, so as to achieve a better sand cleaning effect, then compressed gas is introduced through a compressed gas pipeline, and is sprayed out through the first nozzle 5 on the gas pipe frame 4 and the second nozzle 7 on the sand cleaning cover 6 to perform blowing in all directions on the sand mold, through the matching of the first nozzle 5 and the second nozzle 7, the all-directional blowing of the sand mold can be achieved, the sand on the surface of the sand mold and the inner channel or the hole of the sand mold is rapidly cleaned, the blown sand falls into the sand collection box 9 below the roller way structure 8 through the gap of the roller way structure 8, carry out concentrated collection to sand, at this moment, can open roller structure 8, the translation of drive sand mould through rotation of roller structure 8, at roller structure 8 pivoted in-process, the sand that adheres to on roller structure 8 can drop to the collection sand box 9 of below in, at the in-process of sand mould translation, the sand that remains of sand mould bottom also can drop, ensures that the sand of bottom is fully clear away. In the sand cleaning process, the dust removing mechanism can be opened to remove dust in the sand cleaning chamber 2, so that on one hand, sand powder raised in the sand cleaning process can be removed, and the sand cleaning chamber 2 is prevented from being filled with the sand powder, and the sight of workers is prevented from being influenced; on the other hand, the sand powder can be prevented from entering electronic elements or equipment to cause damage; the most important thing is to avoid that the sand powder floating in the sand cleaning chamber 2 is attached to the sand mold again to influence the sand cleaning effect in the sand cleaning process and after the sand cleaning is finished.
In addition, in this embodiment, in order to facilitate observation and operation of the working personnel on the sand cleaning process during the sand cleaning process, the sand cleaning chamber 2 may be designed to be a fully transparent structure, or a transparent observation window may be disposed on a side surface convenient for observation, and a person skilled in the art may reasonably select the operation according to actual production needs. In addition, the first sand removing mechanism moves up and down along the side wall through the first movable assembly, before sand removal, the first sand removing mechanism is positioned at the upper section of the sand removing chamber 2, and after the sand removing vehicle 1 is pushed into the sand removing chamber 2, the first sand removing mechanism descends to the middle section of the sand removing chamber 2 and is close to a sand mold; and in order to guarantee that the sand cleaning vehicle 1 carrying the sand mold smoothly enters the sand cleaning chamber 2, the highest position of the opening of the sealing door needs to be higher than the sand mold, namely the highest position of the opening of the sealing door is between the middle section and the upper section of the sand cleaning chamber 2, therefore, the conflict between the first sand cleaning mechanism and the sealing door needs to be avoided when the sand cleaning chamber 2 is designed, in the embodiment, the first movable assembly in the first sand cleaning mechanism is arranged at the edge of one side edge of the inner side wall, the sealing door adopts a side hung door mode, the hinge is arranged at the edge of the other side edge of the inner side wall, and by adopting the arrangement mode, the condition that the first movable assembly and the sealing door cannot interfere with each other in the working process can be guaranteed. The person skilled in the art can also set the relative position between the first movable assembly and the closed door according to practical situations, so as to avoid the collision between the first movable assembly and the closed door, for example, the closed door is designed as a sliding door. In addition, in this embodiment, the first nozzle 5 on the gas pipe support 4 and the second nozzle 7 on the sand-cleaning cover 6 are both connected to a compressed gas pipeline, and in the actual production process, a manual valve, an electromagnetic valve and the like can be arranged on the compressed gas pipeline as required to realize the functions of controlling the purging flow and the purging flow. In addition, the sand removing vehicle 1 in the embodiment may be provided with wheels with braking or fixing functions, which are commonly available in the market, so that the sand removing vehicle 1 is fixed in the sand removing chamber 2, and the situation that the sand removing vehicle 1 moves under the impact of air flow in the sand removing process is avoided. In addition, in order to facilitate the placement of the sand-collecting box 9, a common support frame or support plate can be arranged below the roller way structure 8, and of course, other support components can be arranged by those skilled in the art according to actual conditions.
Preferably, the first movable assembly comprises a first motor 10 fixed at the top outside the sand cleaning chamber 2, a lead screw 11 connected with an output shaft of the first motor 10, and a moving block 12 connected with the lead screw 11 in a rolling manner, the lead screw 11 penetrates through the top wall of the sand cleaning chamber 2 and extends into the sand cleaning chamber 2, and the moving block 12 is fixedly connected with the gas pipe frame 4.
It should be noted that, by adopting the cooperation of the first motor 10, the lead screw 11 and the moving block 12, the lead screw 11 is driven to rotate by the rotation of the first motor 10, and then the moving block 12 which is connected with the lead screw 11 in a rolling manner is driven to move up and down, so that the gas pipe frame 4 connected with the moving block 12 can be driven to move up and down, and the first spray head 5 in the first sand cleaning mechanism is close to the sand mold, thereby achieving a better sand cleaning effect. In addition, in order to enhance the stability of the up-and-down movement of the gas pipe frame 4, a guide block can be arranged on the gas pipe frame 4, and a guide groove matched with the guide block is arranged at the corresponding position of the inner side wall of the sand cleaning chamber 2. In addition, the first motor 10 can be controlled manually or automatically by a PLC, and a person skilled in the art can select a suitable commercially available motor and a suitable control mode according to actual production conditions.
Preferably, the gas pipe support 4 comprises a plurality of gas branch pipes 13 which are criss-cross and are communicated with each other, the first nozzles 5 are uniformly arranged on the gas branch pipes 13, and the compressed gas pipeline is communicated with the gas branch pipes 13.
It should be noted that, gas pipe support 4 adopts a plurality of gas branch pipes 13 to constitute, and gas branch pipe 13 adopts the material of stereoplasm stainless steel or rigid plastic, is convenient for fix, adopts vertically and horizontally staggered and the structure that communicates each other in addition, and the even setting of the first shower nozzle 5 of being convenient for improves the sand removal effect.
Preferably, the sand-removing cover 6 comprises an inner shell 14 and an outer shell 15 which are integrally connected, a gas cavity is formed between the inner shell 14 and the outer shell 15, the second spray head 7 is positioned on the inner shell 14 and is communicated with the gas cavity, and the compressed gas pipeline is communicated with the gas cavity.
It should be noted that a gas cavity into which compressed air can be introduced is arranged in the sand removing cover 6, so that purging from the top sand mold is facilitated, and meanwhile, excessive sand powder is prevented from being attached to the top wall of the sand removing chamber 2 in the purging process, and cleaning is not facilitated.
Preferably, the inner shell 14 is of an upwardly convex arcuate configuration. The arc structure of epirelief can guarantee to sweep the air downwards in a concentrated manner, and the effect of sweeping is strengthened.
Preferably, the second movable assembly comprises a second motor 16 fixed at the top of the outer side of the sand cleaning chamber 2, and an electric telescopic rod 17 connected with the output end of the second motor 16, wherein the electric telescopic rod 17 penetrates through the top wall of the sand cleaning chamber 2, extends into the sand cleaning chamber 2, and is fixedly connected with the top of the sand cleaning cover 6. The telescopic motion through the telescopic link can drive the sand removal cover 6 to move up and down, so that the sand removal cover is convenient to sweep close to the sand mold, and the sweeping effect is improved. The electric telescopic rod 17 is conventional in the art, and a person skilled in the art can select a suitable commercially available model according to actual requirements.
Preferably, the roller way structure 8 on the sand removing platform comprises a plurality of roller shafts arranged in parallel, a certain gap is formed between every two adjacent roller shafts, a rotating gear 18 is arranged at the end of each roller shaft, a third motor 19 is arranged at one end of the roller way structure 8, an output end of the third motor 19 is provided with a driving gear 20, and the driving gear 20 and the rotating gear 18 are both meshed with a rack 21 arranged on the sand removing platform.
It should be noted that, the third motor 19 drives the driving gear 20 to rotate, and then drives the rack 21 engaged with the driving gear to move, and then drives the rotating gear 18 to rotate, so as to realize the rotation of the roller shaft, and through the rotation of the roller shaft, the sand powder at the bottom of the sand mold on the roller shaft can drop, so that the sand powder at the bottom of the sand mold can be conveniently removed. In addition, the third motor 19 can select a motor with a forward and reverse rotation function, so that the reciprocating motion of the rack 21 is realized, the back-and-forth motion of the sand mold is further realized, and the cleaning effect of sand powder at the bottom of the sand mold is enhanced.
Preferably, a funnel-shaped sand collecting hopper 22 is fixedly connected below the roller way structure 8, and the sand collecting box 9 is located below the sand collecting hopper 22. The funnel-shaped sand collecting hopper 22 can collect sand powder below the roller way in a centralized manner.
Preferably, the dust removing mechanism comprises a dust removing opening 23 arranged on one side wall of the sand cleaning chamber 2, a dust removing pipeline 24 communicated with the dust removing opening 23, and a cyclone dust remover 25 communicated with the dust removing pipeline 24.
Preferably, a manual sand cleaning pipe 26 communicated with a compressed gas pipeline is further arranged in the sand cleaning chamber 2, an operation opening 27 convenient for manual sand cleaning is formed in the side wall of one side of the sand cleaning chamber 2, and a second closing door 28 is arranged at the position of the operation opening 27.
It should be noted that, through the design of the manual sand cleaning pipe 26, the sand powder remained in the micropores and the narrow channels in the sand mold can be manually cleaned after the sand cleaning of the machine is finished, so that the sand powder cleaning effect is improved, the sand cleaning of the machine and the manual sand cleaning are integrated in one process in one space, the space can be saved, and the process flow can be simplified. Normally, during the machine cleaning process, the second closing door 28 of the operation port 27 is closed, and after the machine cleaning is completed, the second closing door 28 is opened for manual cleaning.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.

Claims (10)

1. The utility model provides a sand removal device for 3D sand mould printing, its characterized in that, sand removal device includes sand removal car (1), sand removal room (2), both sides all are provided with first closed door (3) that are used for sand removal car (1) to pass through around sand removal room (2), all be provided with first sand removal mechanism on the four sides inside wall of sand removal room (2), every first sand removal mechanism all includes gas pipe support (4) with sand removal room (2) inside wall swing joint, evenly be provided with a plurality of first shower nozzles (5) on gas pipe support (4), be provided with on the inside wall with gas pipe support (4) fixed connection and make gas pipe support (4) along the first movable component of inside wall up-and-down motion, gas pipe support (4) still communicate have the compressed gas pipeline that extends to sand removal room (2) outside, the interior roof of sand removal room (2) still sets up the second sand removal mechanism, the second sand removing mechanism comprises a sand removing cover (6), a plurality of second spray heads (7) which are uniformly distributed on the sand removing cover (6) and a second movable assembly which is connected with the top of the sand removing cover (6) and is used for driving the sand removing cover (6) to move up and down, the sand removing cover (6) is communicated with a compressed gas pipeline outside the sand removing chamber (2), a sand removing platform is arranged on the sand removing vehicle (1), a roller way structure (8) is arranged on the sand removing platform, a sand collecting box (9) is arranged below the roller way structure (8), and a dust removing mechanism is further arranged on one side wall of the sand removing chamber (2).
2. The sand cleaning device for 3D sand mold printing according to claim 1, wherein the first movable assembly comprises a first motor (10) fixed at the outer top of the sand cleaning chamber (2), a lead screw (11) connected with an output shaft of the first motor (10), and a movable block (12) in rolling connection with the lead screw (11), the lead screw (11) penetrates through the top wall of the sand cleaning chamber (2) and extends into the sand cleaning chamber (2), and the movable block (12) is fixedly connected with the gas pipe frame (4).
3. The sand cleaning device for 3D sand mold printing according to claim 1, wherein the gas pipe frame (4) is composed of a plurality of gas branch pipes (13) which are criss-cross and communicated with each other, the first nozzles (5) are uniformly arranged on the gas branch pipes (13), and the compressed gas pipeline is communicated with the gas branch pipes (13).
4. A sand cleaning device for 3D sand mould printing according to claim 1, characterized in that the sand cleaning hood (6) comprises an inner shell (14) and an outer shell (15) which are integrally connected, a gas cavity is formed between the inner shell (14) and the outer shell (15), the second nozzle (7) is located on the inner shell (14) and is in communication with the gas cavity, and the compressed gas conduit is in communication with the gas cavity.
5. A sand removal device for 3D sand printing according to claim 4, wherein the inner shell (14) is of an upwardly convex arcuate configuration.
6. The sand cleaning device for 3D sand mold printing according to the claim 1, characterized in that the second movable assembly comprises a second motor (16) fixed on the top outside the sand cleaning chamber (2), and an electric telescopic rod (17) connected with the output end of the second motor (16), wherein the electric telescopic rod (17) penetrates through the top wall of the sand cleaning chamber (2) and extends to the inside of the sand cleaning chamber (2) to be fixedly connected with the top of the sand cleaning cover (6).
7. The sand cleaning device for 3D sand mold printing according to claim 1, wherein the roller way structure (8) on the sand cleaning platform comprises a plurality of roller shafts arranged side by side, a certain gap is formed between every two adjacent roller shafts, a rotating gear (18) is arranged at the end of each roller shaft, a third motor (19) is arranged at one end of the roller way structure (8), a driving gear (20) is arranged at the output end of the third motor (19), and the driving gear (20) and the rotating gear (18) are meshed and connected with a rack (21) arranged on the sand cleaning platform.
8. A sand removal device for 3D sand mould printing according to claim 1, wherein a funnel-shaped sand collection hopper (22) is further fixedly connected below the roller structure (8), and the sand collection box (9) is located below the sand collection hopper (22).
9. The sand cleaning device for 3D sand mold printing according to the claim 1, characterized in that the dust removing mechanism comprises a dust removing opening (23) arranged on one side wall of the sand cleaning chamber (2), a dust removing pipeline (24) communicated with the dust removing opening (23), and a cyclone dust collector (25) communicated with the dust removing pipeline (24).
10. A sand cleaning device for 3D sand mould printing according to claim 1, characterized in that a manual sand cleaning pipe (26) communicated with a compressed gas pipeline is further arranged in the sand cleaning chamber (2), an operation opening (27) for facilitating manual sand cleaning is arranged on one side wall of the sand cleaning chamber (2), and a second closing door (28) is arranged at the operation opening (27).
CN202011349837.9A 2020-11-26 2020-11-26 Sand cleaning device for 3D sand mold printing Pending CN112404356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011349837.9A CN112404356A (en) 2020-11-26 2020-11-26 Sand cleaning device for 3D sand mold printing

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Application Number Priority Date Filing Date Title
CN202011349837.9A CN112404356A (en) 2020-11-26 2020-11-26 Sand cleaning device for 3D sand mold printing

Publications (1)

Publication Number Publication Date
CN112404356A true CN112404356A (en) 2021-02-26

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Application Number Title Priority Date Filing Date
CN202011349837.9A Pending CN112404356A (en) 2020-11-26 2020-11-26 Sand cleaning device for 3D sand mold printing

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN113042691A (en) * 2021-03-08 2021-06-29 康硕(江西)智能制造有限公司 Sand core printer
CN116000250A (en) * 2023-02-17 2023-04-25 重庆金石智诚科技有限公司 Sand cleaning device for sand mold 3D printing
CN117718433A (en) * 2024-02-06 2024-03-19 康硕(山西)智能制造有限公司 Automatic cleaning and recycling device for precision casting molding sand

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CN109047736A (en) * 2018-08-10 2018-12-21 宁国市挚友合金钢材料有限公司 A kind of sand cleaning machine being convenient to clean
CN209334665U (en) * 2018-11-14 2019-09-03 江苏中科纽克生态科技有限公司 A kind of Static Pressure Molding Machine sandbox cleaning mechanism
CN110369396A (en) * 2019-06-28 2019-10-25 共享智能铸造产业创新中心有限公司 Suspension type sand core automatic wind cleaning device

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CN107876710A (en) * 2017-12-11 2018-04-06 机械工业第六设计研究院有限公司 The automatic sand cleaning machine in the face of 3D printing sand mold continous way six and sand removal method
CN109047736A (en) * 2018-08-10 2018-12-21 宁国市挚友合金钢材料有限公司 A kind of sand cleaning machine being convenient to clean
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113042691A (en) * 2021-03-08 2021-06-29 康硕(江西)智能制造有限公司 Sand core printer
CN113042691B (en) * 2021-03-08 2022-11-18 康硕(江西)智能制造有限公司 Sand core printer
CN116000250A (en) * 2023-02-17 2023-04-25 重庆金石智诚科技有限公司 Sand cleaning device for sand mold 3D printing
CN116000250B (en) * 2023-02-17 2024-01-30 重庆金石智诚科技有限公司 Sand cleaning device for sand mold 3D printing
CN117718433A (en) * 2024-02-06 2024-03-19 康硕(山西)智能制造有限公司 Automatic cleaning and recycling device for precision casting molding sand
CN117718433B (en) * 2024-02-06 2024-04-26 康硕(山西)智能制造有限公司 Automatic cleaning and recycling device for precision casting molding sand

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