CN117066449A - Sand cleaning device and sand cleaning method for sand mold 3D printing - Google Patents
Sand cleaning device and sand cleaning method for sand mold 3D printing Download PDFInfo
- Publication number
- CN117066449A CN117066449A CN202311162911.XA CN202311162911A CN117066449A CN 117066449 A CN117066449 A CN 117066449A CN 202311162911 A CN202311162911 A CN 202311162911A CN 117066449 A CN117066449 A CN 117066449A
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- Prior art keywords
- sand
- cleaning
- belt
- box
- cleaning box
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- 239000004576 sand Substances 0.000 title claims abstract description 309
- 238000004140 cleaning Methods 0.000 title claims abstract description 208
- 238000010146 3D printing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000003860 storage Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004506 ultrasonic cleaning Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y80/00—Products made by additive manufacturing
-
- 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
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a sand cleaning device and a sand cleaning method for sand mould 3D printing, wherein the sand cleaning device for sand mould 3D printing comprises a sand cleaning box with an upward opening and a plurality of belt rollers arranged on the sand cleaning box, wherein a net belt is wound on the belt rollers, and one section of the net belt is horizontally arranged at the opening of the sand cleaning box; the belt roller comprises a fixed roller and a movable roller, wherein the fixed roller is rotatably arranged on the sand cleaning box and cannot move radially, and the movable roller is rotatably arranged on the sand cleaning box and can move radially. The beneficial effects are that: according to the sand cleaning device for the sand mold 3D printing, the sand mold is supported by the mesh belt and driven to descend and submerge into the cleaning liquid, so that the safety of the sand mold is effectively protected, then the sand mold is cleaned by utilizing ultrasonic waves, the mesh belt is used for driving the sand mold to roll in the cleaning liquid in the cleaning process, holes of holes on the surface of the sand mold are downward, residual sand in the holes is fully dropped out of the holes, and the cleaning of the holes is ensured to be clean and thorough, and the effect is good.
Description
Technical Field
The invention relates to the field of 3D printing, in particular to a sand cleaning device and a sand cleaning method for sand mould 3D printing.
Background
At present, when the sand mould manufactured by the 3D printing technology is cleaned, the residual sand on the sand mould is cleaned by blowing or sucking air to the surface of the sand mould through air flow, the method is applicable to the sand mould with regular shape, and the residual sand on the surface of the sand mould can be blown or sucked to be clean, but when the sand mould has a complex structure and a plurality of holes on the surface, and the holes extend to the inside of the sand mould for a long time and are bent, the residual sand in the deep positions of the holes is obviously difficult to clean by blowing or sucking air to the surface of the sand mould, and the sand mould cleaning work is difficult.
Based on this, the present invention is designed.
Disclosure of Invention
The invention mainly aims to provide a sand cleaning device and a sand cleaning method for sand mould 3D printing, and aims to solve the problem that the existing sand cleaning mode of a sand mould can only clean residual sand on the surface of the sand mould and cannot effectively clean the residual sand at the deep position of a hole.
In order to solve the problems, the invention provides a sand cleaning device for sand mould 3D printing, which comprises a sand cleaning box with an upward opening and a plurality of belt rollers arranged on the sand cleaning box, wherein a net belt is wound on the belt rollers, and a section of the net belt is horizontally arranged on the opening of the sand cleaning box;
the belt roller comprises a fixed roller and a movable roller, the fixed roller is rotatably arranged on the sand-cleaning box and cannot move radially, the movable roller is rotatably arranged on the sand-cleaning box and can move radially, and the movable roller moves radially to drive a section of mesh belt arranged at the opening of the sand-cleaning box to drop into the sand-cleaning box or lift out of the sand-cleaning box;
the cleaning box is internally provided with cleaning liquid, the box wall of the sand cleaning box is provided with an ultrasonic transducer, the ultrasonic transducer is connected with an ultrasonic generator, a section of mesh belt arranged at the opening of the sand cleaning box can be immersed in the cleaning liquid after falling into the sand cleaning box, and the ultrasonic transducer can emit ultrasonic waves into the cleaning liquid.
In an embodiment, the sand cleaning box is provided with a screw rod and a motor for driving the screw rod to rotate, the screw rod is sleeved with a sliding block in a rotating mode, the sliding block is connected with the movable roller, and the screw rod rotates to drive the sliding block and the movable roller to axially move along the screw rod.
In an embodiment, the fixed rollers are respectively arranged on two sides of the top and the bottom of the sand cleaning box, the movable rollers are positioned under the fixed rollers, the movable rollers vertically move under the drive of the screw rod, and through holes for the mesh belt to penetrate are formed in the sand cleaning box between the movable rollers and the fixed rollers above the movable rollers.
In one embodiment, the sand on the sand mold is able to pass through the mesh on the mesh belt.
In an embodiment, the bottom of the sand cleaning box is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with a filtering box, the filtering box is communicated with a liquid inlet pipe, a conveying pump is arranged on the liquid inlet pipe, and the liquid inlet pipe is communicated with the sand cleaning box.
In an embodiment, a filter element and a liquid storage area are arranged in the filter box, the filter element is close to the liquid inlet pipe, and the liquid storage area is close to the liquid outlet pipe.
In an embodiment, the storage box is communicated under the liquid storage area, the storage box is detachably and fixedly connected with the filtering box, the storage box and the filtering box are fixedly arranged on the mounting plate, the mounting plate is fixedly arranged on the stand column, and the stand column is fixedly arranged at the bottom of the sand cleaning box.
In an embodiment, the sand mold cleaning device further comprises a first belt conveyor and a second belt conveyor, wherein the first belt conveyor and the second belt conveyor are respectively arranged at two ends of the moving direction of a section of horizontal net belt at the opening of the sand cleaning box, when the section of net belt at the opening of the sand cleaning box is horizontal, the section of net belt is flush with the conveying belts of the first belt conveyor and the second belt conveyor, the sand mold conveyed by the first belt conveyor can be horizontally transferred to the section of horizontal net belt at the opening of the sand cleaning box, and the sand mold arranged on the section of horizontal net belt at the opening of the sand cleaning box can be horizontally transferred to the second belt conveyor.
In one embodiment, a section of the mesh belt arranged at the opening of the sand cleaning box descends to drive the sand mold placed on the mesh belt to be immersed in the cleaning liquid, and the belt roller drives the mesh belt to move to drive the sand mold to roll in the cleaning liquid.
In addition, the invention also provides a sand cleaning method for sand mould 3D printing, which comprises the following steps:
controlling the movable roller to move radially to enable a section of mesh belt arranged at the opening of the sand cleaning box to be horizontal;
the method comprises the steps of controlling a belt conveyor I to horizontally transfer sand molds to be cleaned to a section of mesh belt arranged at an opening of a sand cleaning box;
controlling the radial movement of the movable roller to enable a section of horizontal net belt arranged at the opening of the sand cleaning box to drive the sand mold on the horizontal net belt to descend and dip into cleaning liquid;
starting an ultrasonic generator to ultrasonically clean the sand mold immersed in the cleaning liquid;
in the cleaning process, the belt roller drives the mesh belt to move so as to drive the sand mold to roll in the cleaning solution, and sand in the sand mold penetrates through meshes of the mesh belt and falls to the bottom of the cleaning box;
starting a conveying pump to pump a tank bottom sewage liquid of the sand-clearing tank, enabling the sewage liquid to enter a filtering tank, filtering sand in the sewage liquid by a filter element, enabling no cleaning liquid of the sand to flow back to the sand-clearing tank, and enabling the sand filtered by the filter element to fall into a sand storage tank;
after sand cleaning is finished, controlling the movable roller to move radially, enabling a section of mesh belt arranged at the opening of the sand cleaning box to drive the sand mold on the section of mesh belt to ascend and leave the sand cleaning box until the section of mesh belt is horizontal, and then controlling the belt roller to drive the mesh belt to move so as to drive the sand mold to be transferred to the belt conveyor II.
The beneficial effects are that: according to the sand cleaning device for the sand mold 3D printing, the sand mold is supported by the mesh belt and driven to descend and submerge into the cleaning liquid, so that the safety of the sand mold is effectively protected, then the sand mold is cleaned by utilizing ultrasonic waves, the mesh belt is used for driving the sand mold to roll in the cleaning liquid in the cleaning process, holes of holes on the surface of the sand mold are downward, residual sand in the holes is fully dropped out of the holes, and the cleaning of the holes is ensured to be clean and thorough, and the effect is good.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a sand cleaning device for sand mold 3D printing according to the present invention;
fig. 2 is a schematic diagram II of a sand cleaning device for sand mould 3D printing;
FIG. 3 is a schematic diagram of the operation of the sand cleaning apparatus for sand 3D printing of the present invention;
fig. 4 is a second schematic working diagram of the sand cleaning device for sand mold 3D printing according to the present invention.
The reference numerals are explained as follows:
1. cleaning a sand box; 2. a liquid surface; 3. an ultrasonic transducer; 4. a fixed roller; 6. a movable roller; 7. a slide block; 8. a screw rod; 9. a motor; 11. a mesh belt; 12. sand mold; 13. a first belt conveyor; 14. a belt conveyor II; 15. a liquid outlet pipe; 16. a liquid inlet pipe; 17. a transfer pump; 18. a filter box; 19. a filter element; 20. a liquid storage area; 21. a sand storage box; 22. a mounting plate; 23. a column; 24. and a through hole.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The sand cleaning device for the sand mould 3D printing is characterized in that the sand cleaning device for the sand mould 3D printing receives the sand mould 12 through the mesh belt 11 and drives the sand mould 12 to descend and submerge in the cleaning liquid, so that the safety of the sand mould 12 is effectively protected, then the sand mould 12 is cleaned by utilizing ultrasonic waves, the mesh belt 11 is used for driving the sand mould 12 to roll in the cleaning liquid in the cleaning process, holes of holes on the surface of the sand mould 12 are all opportune downwards, residual sand in the holes is fully dropped out of the holes, and the clean and thorough sand cleaning of the holes is ensured, and the effect is good.
Specifically, in an embodiment of the invention, the sand cleaning device for sand mold 3D printing includes a sand cleaning box 1 with an upward opening and a plurality of belt rollers disposed on the sand cleaning box 1, a net belt 11 is wound on the belt rollers, a section of the net belt 11 is horizontally disposed on the opening of the sand cleaning box 1, as shown in fig. 1-4, the belt rollers include a fixed roller 4 and a movable roller 6, the fixed roller 4 is plural and separately disposed on two sides of the top and the bottom of the sand cleaning box 1, as shown in fig. 3, two fixed rollers 4 are disposed on the right side of the top of the sand cleaning box 1 at intervals, a movable roller 6 is disposed in a lower area between the two fixed rollers 4, a through hole 24 is disposed on the sand cleaning box 1 between the movable roller 6 and the fixed roller 4 above the movable roller, the net belt 11 is wound on each fixed roller 4 and the movable roller 6, and penetrates through the through hole 24, wherein the fixed roller 4 or the movable roller 6 is in driving connection with a driving motor 9, the belt rollers are driven by the driving motor 9 to rotate, and the net belt 11 is driven to move.
In this embodiment, the fixed roller 4 is rotatably installed on the sand cleaning box 1, and cannot radially move, but can only rotate, the movable roller 6 is rotatably installed on the sand cleaning box 1, and can radially move, preferably, the radial movement of the movable roller 6 is vertical movement, as shown in fig. 1-4, a screw rod 8 and a motor 9 for driving the screw rod 8 to rotate are arranged on the sand cleaning box 1, a sliding block 7 is rotatably sleeved on the screw rod 8, the sliding block 7 is connected with the movable roller 6, and the screw rod 8 rotates to drive the sliding block 7 and the movable roller 6 to move up and down along the axial direction of the screw rod 8.
In this embodiment, as shown in fig. 1-4, the moving roller 6 moves vertically downward along the screw rod 8 to drive the mesh belt 11 shown in fig. 3 to adjust to that shown in fig. 4, that is, a section of mesh belt 11 disposed at the opening of the sand cleaning box 1 can move upward and away from the sand cleaning box 1 until the section of mesh belt 11 is horizontal; similarly, the moving roller 6 moves vertically upwards along the screw rod 8 to drive the mesh belt 11 shown in fig. 4 to be adjusted to be as shown in fig. 3, that is, a section of horizontal mesh belt 11 arranged at the opening of the sand cleaning box 1 can move downwards to fall into the sand cleaning box 1 and be immersed in cleaning liquid.
In this embodiment, as shown in fig. 3 and 4, the sand cleaning device for sand 3D printing further includes a first belt conveyor 13 and a second belt conveyor 14, where the first belt conveyor 13 and the second belt conveyor 14 are separately disposed at two ends of the moving direction of the first section of horizontal mesh belt 11 at the opening of the sand cleaning box 1, that is, in fig. 3 and 4, the left and right sides of the sand cleaning box 1, when the first section of mesh belt 11 disposed at the opening of the sand cleaning box 1 is horizontal, as shown in fig. 4, the first section of mesh belt 11 is flush with the conveyor belts of the first belt conveyor 13 and the second belt conveyor 14, so that the sand mold 12 conveyed by the first belt conveyor 13 can be horizontally transferred to the first section of horizontal mesh belt 11 disposed at the opening of the sand cleaning box 1, and the sand mold 12 disposed on the first section of horizontal mesh belt 11 can be horizontally transferred to the second belt conveyor 14, thereby realizing that the sand mold 12 can be continuously conveyed by the first belt conveyor 13 and the second belt conveyor 12, and realizing a high speed of the sand cleaning line 12 after the sand cleaning operation is completed, and the sand cleaning device can be applied to the second belt conveyor 12.
In this embodiment, as shown in fig. 3 and fig. 4, the sand cleaning tank 1 is filled with a cleaning solution, the common cleaning solution can be water, the wall of the sand cleaning tank 1 is provided with an ultrasonic transducer 3, the ultrasonic transducer 3 is connected with an ultrasonic generator, after the ultrasonic generator is started, ultrasonic waves are emitted into the cleaning solution through the ultrasonic transducer 3, the sand cleaning principle is facilitated to clean sand mold 12 immersed in the cleaning solution, and the sand cleaning mode can effectively clean sand deep in holes on the surface of sand mold 12, and the holes are clean and thorough in sand cleaning and good in effect.
Specifically, as shown in fig. 4, when a section of the mesh belt 11 arranged at the opening of the sand cleaning box 1 is horizontal, the first belt conveyor 13 conveys the sand mold 12 to be cleaned to the mesh belt 11, then the screw rod 8 is controlled to rotate, so that the mesh belt 11 drives the sand mold 12 to descend until the sand mold 12 is immersed in the cleaning liquid, as shown in fig. 3, then the ultrasonic generator is started to carry out ultrasonic cleaning on the sand mold 12, and sand falling from the sand mold 12 can penetrate through meshes of the mesh belt 11 and fall to the inner bottom surface of the sand cleaning box 1.
Further, in the process of carrying out ultrasonic cleaning on the sand mold 12, the driving motor 9 can be controlled to drive the belt roller to rotate, and then the net belt 11 is driven to move, as shown in fig. 3, the net belt 11 moves to drive the sand mold 12 immersed in the cleaning liquid to roll in the cleaning liquid, so that the holes on the surface of the sand mold 12 can be downward, sand in all the holes can be thoroughly dropped out of the holes from the holes, and the cleaning of the holes is further ensured to be clean and thorough, and the effect is good.
In this embodiment, as shown in fig. 1 and 2, the width of the mesh belt 11 is slightly smaller than the inner width of the sand cleaning box 1, so that the design ensures the safety of the sand mold 12 in the process of rolling in the cleaning solution, and the problem that the sand mold 12 falls from the mesh belt 11 to the bottom of the sand cleaning box 1 is avoided.
In this embodiment, as shown in fig. 1-4, a drain pipe 15 is disposed at the bottom of the sand cleaning box 1, the drain pipe 15 is connected to a filter box 18, the filter box 18 is connected to a liquid inlet pipe 16, a delivery pump 17 is disposed on the liquid inlet pipe 16, the liquid inlet pipe 16 is connected to the sand cleaning box 1, the delivery pump 17 is started to pump the cleaning liquid at the bottom of the sand cleaning box 1 through the drain pipe 15, the cleaning liquid at the bottom of the sand cleaning box 1 contains a large amount of sand, the cleaning liquid containing a large amount of sand enters the filter box 18 and is filtered by a filter element 19, and the cleaning liquid without sand returns to the sand cleaning box 1 through the liquid inlet pipe 16, so that the recycling of the cleaning liquid can be realized.
In this embodiment, as shown in fig. 3 and fig. 4, a filter element 19 and a liquid storage area 20 are disposed in the filter tank 18, the filter element 19 is close to the liquid inlet pipe 16, the liquid storage area 20 is close to the liquid outlet pipe 15, so that the design is beneficial to the large-area liquid storage area 20 to store sand filtered by the filter element 19, so that the filtering efficiency of the filter tank 18 is avoided from being influenced by the sand, further, a sand storage box 21 is communicated under the liquid storage area 20, the sand storage box 21 is detachably and fixedly connected with the filter tank 18, so that the sand filtered by the filter element 19 stored in the liquid storage area 20 can fall into the sand storage box 21, so that the liquid storage area 20 is kept smooth constantly, and the efficient filtering efficiency of the filter tank 18 is kept constantly.
In this embodiment, as shown in fig. 1 to 4, the sand storage box 21 and the filter box 18 are fixedly arranged on the mounting plate 22, the mounting plate 22 is fixedly arranged on the upright post 23, and the upright post 23 is fixedly arranged at the bottom of the sand cleaning box 1.
In addition, the invention also provides a sand cleaning method for sand mould 3D printing, which comprises the following steps:
s1, controlling the movable roller 6 to move downwards to enable a section of the mesh belt 11 arranged at the opening of the sand removal box 1 to be horizontal, as shown in FIG. 4;
s2, controlling a belt conveyor I13 to horizontally transfer a sand mold 12 to be cleaned to a section of mesh belt 11 arranged at the opening of the sand cleaning box 1, as shown in FIG. 4;
s3, controlling the movable roller 6 to move upwards to enable a section of horizontal net belt 11 arranged at the opening of the sand removal box 1 to drive the sand mold 12 on the movable roller to slowly descend and dip into cleaning liquid, so that the sand mold 12 is ensured to be safe, the sand mold 12 is prevented from rolling off the net belt 11, and correspondingly, the first belt conveyor 13 in S2 is required to horizontally transfer the sand mold 12 to be cleaned to the middle part of the section of net belt 11 arranged at the opening of the sand removal box 1, so that the sand mold 12 on the net belt 11 is prevented from shaking in the process that the section of horizontal net belt 11 arranged at the opening of the sand removal box 1 is slowly descended and dip into the cleaning liquid when the movable roller 6 moves upwards, the sand mold 12 is prevented from rolling on the net belt 11 and dropping off from the net belt 11, and the safety of the sand mold 12 is ensured;
s4, after the sand mold 12 is immersed in the cleaning liquid, as shown in FIG. 3, starting an ultrasonic generator to ultrasonically clean the sand mold 12 immersed in the cleaning liquid, wherein in the cleaning process, sand falling from the sand mold 12 falls to the bottom of the sand cleaning box 1 through meshes of the mesh belt 11;
s5, in the cleaning process, the belt roller drives the net belt 11 to move so as to drive the sand mold 12 to roll in the cleaning liquid, as shown in fig. 3, the design is such that the openings of all holes on the surface of the sand mold 12 can be downward, sand in all the holes can be thoroughly dropped out of the holes from the openings, the cleaning of the holes is ensured to be clean and thorough, the effect is good, and the sand in the sand mold 12 penetrates through meshes of the net belt 11 and falls to the bottom of the sand cleaning box 1;
s6, starting a conveying pump 17 to pump the tank bottom sewage of the sand cleaning tank 1, enabling the sewage to enter a filtering tank 18, filtering sand in the sewage by a filter element 19, refluxing the sand-free cleaning liquid to the sand cleaning tank 1, enabling the sand filtered by the filter element 19 to fall into a sand storage tank 21, and removing the sand storage tank 21 after the sand in the sand storage tank 21 is fully stored, and cleaning;
and S7, after sand removal of the sand mold 12 is finished, controlling the movable roller 6 to move downwards to enable a section of the net belt 11 arranged at the opening of the sand removal box 1 to drive the sand mold 12 on the net belt to ascend and leave the sand removal box 1 until the section of the net belt 11 is horizontal, and then controlling the belt roller to drive the net belt 11 to move to drive the sand mold 12 to be transferred to the belt conveyor II 14 for being sent away, so that sand removal operation of the sand mold 12 is finished.
The sand cleaning method for sand mould 3D printing of this embodiment adopts the sand cleaning device for sand mould 3D printing of the foregoing embodiment to perform sand cleaning operation, specifically, it accepts sand mould 12 through guipure 11 and drives sand mould 12 to descend into the cleaning liquid, the width design of guipure 11 is reasonable, sand mould 12 is transferred to the centre of a section of horizontal guipure 11 that sets up the opening part of sand cleaning box 1, design like this, the steady lift of sand mould 12 along with a section of guipure 11 that sets up the opening part of sand cleaning box 1 has all been effectively protected, sand mould 12 safety has been protected, avoid sand mould 12 to roll on guipure 11 and drop the danger from guipure 11, then utilize ultrasonic cleaning sand mould 12, utilize guipure 11 to drive sand mould 12 to roll safely in the cleaning liquid in the cleaning process, make sand mould 12 surface hole's entrance all have the chance down, design like this, make sand residue in the hole all can fully fall away from the hole, the hole is clean, thoroughly cleaned, the effect is good.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The sand cleaning device for the sand mould 3D printing is characterized by comprising a sand cleaning box with an upward opening and a plurality of belt rollers arranged on the sand cleaning box, wherein a net belt is wound on the belt rollers, and one section of the net belt is horizontally arranged on the opening of the sand cleaning box;
the belt roller comprises a fixed roller and a movable roller, the fixed roller is rotatably arranged on the sand-cleaning box and cannot move radially, the movable roller is rotatably arranged on the sand-cleaning box and can move radially, and the movable roller moves radially to drive a section of mesh belt arranged at the opening of the sand-cleaning box to drop into the sand-cleaning box or lift out of the sand-cleaning box;
the cleaning box is internally provided with cleaning liquid, the box wall of the sand cleaning box is provided with an ultrasonic transducer, the ultrasonic transducer is connected with an ultrasonic generator, a section of mesh belt arranged at the opening of the sand cleaning box can be immersed in the cleaning liquid after falling into the sand cleaning box, and the ultrasonic transducer can emit ultrasonic waves into the cleaning liquid.
2. The sand cleaning device for sand mould 3D printing according to claim 1, wherein a screw rod and a motor for driving the screw rod to rotate are arranged on the sand cleaning box, a sliding block is sleeved on the screw rod in a rotating mode, the sliding block is connected with the movable roller, and the screw rod rotates to drive the sliding block and the movable roller to axially move along the screw rod.
3. The sand cleaning device for sand mould 3D printing according to claim 2, wherein the fixed rollers are respectively arranged on two sides of the top and the bottom of the sand cleaning box, the movable roller is positioned under the fixed rollers, the movable roller is driven by the screw rod to vertically move, and a through hole for passing through a net belt is arranged on the sand cleaning box between the movable roller and the fixed roller above the movable roller.
4. Sand cleaning apparatus for sand mould 3D printing according to claim 1, characterized in that sand on the sand mould can pass through the mesh on the mesh belt.
5. The sand cleaning device for sand mould 3D printing according to claim 1, wherein a liquid outlet pipe is arranged at the bottom of the sand cleaning box and is communicated with a filter box, the filter box is communicated with a liquid inlet pipe, a conveying pump is arranged on the liquid inlet pipe, and the liquid inlet pipe is communicated with the sand cleaning box.
6. The sand cleaning device for sand mold 3D printing of claim 5, wherein a filter element and a liquid storage area are arranged in the filter box, the filter element is close to the liquid inlet pipe, and the liquid storage area is close to the liquid outlet pipe.
7. The sand cleaning device for sand mold 3D printing of claim 6, wherein the storage box is communicated with the right lower part of the liquid storage area, the storage box is detachably and fixedly connected with the filter box, the storage box and the filter box are fixedly arranged on a mounting plate, the mounting plate is fixedly arranged on a stand column, and the stand column is fixedly arranged at the bottom of the sand cleaning box.
8. The sand cleaning device for sand mold 3D printing according to claim 1, further comprising a first belt conveyor and a second belt conveyor, wherein the first belt conveyor and the second belt conveyor are respectively provided at both ends of a moving direction of a horizontal section of the mesh belt at the opening of the sand cleaning box, and when the section of the mesh belt provided at the opening of the sand cleaning box is horizontal, the section of the mesh belt is flush with the conveying belts of the first belt conveyor and the second belt conveyor, the sand mold conveyed by the first belt conveyor can be horizontally transferred onto the horizontal section of the mesh belt provided at the opening of the sand cleaning box, and the sand mold provided on the horizontal section of the mesh belt provided at the opening of the sand cleaning box can be horizontally transferred onto the second belt conveyor.
9. The sand cleaning device for 3D printing of sand molds according to claim 8, wherein a section of the mesh belt arranged at the opening of the sand cleaning box descends to drive the sand molds placed thereon to be immersed in the cleaning liquid, and the belt roller drives the mesh belt to move to drive the sand molds to roll in the cleaning liquid.
10. Sand cleaning method for sand mould 3D printing, which is characterized by comprising the following steps:
controlling the movable roller to move radially to enable a section of mesh belt arranged at the opening of the sand cleaning box to be horizontal;
the method comprises the steps of controlling a belt conveyor I to horizontally transfer sand molds to be cleaned to a section of mesh belt arranged at an opening of a sand cleaning box;
controlling the radial movement of the movable roller to enable a section of horizontal net belt arranged at the opening of the sand cleaning box to drive the sand mold on the horizontal net belt to descend and dip into cleaning liquid;
starting an ultrasonic generator to ultrasonically clean the sand mold immersed in the cleaning liquid;
in the cleaning process, the belt roller drives the mesh belt to move so as to drive the sand mold to roll in the cleaning solution, and sand in the sand mold penetrates through meshes of the mesh belt and falls to the bottom of the cleaning box;
starting a conveying pump to pump a tank bottom sewage liquid of the sand-clearing tank, enabling the sewage liquid to enter a filtering tank, filtering sand in the sewage liquid by a filter element, enabling no cleaning liquid of the sand to flow back to the sand-clearing tank, and enabling the sand filtered by the filter element to fall into a sand storage tank;
after sand cleaning is finished, controlling the movable roller to move radially, enabling a section of mesh belt arranged at the opening of the sand cleaning box to drive the sand mold on the section of mesh belt to ascend and leave the sand cleaning box until the section of mesh belt is horizontal, and then controlling the belt roller to drive the mesh belt to move so as to drive the sand mold to be transferred to the belt conveyor II.
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| CN202311162911.XA CN117066449B (en) | 2023-09-11 | 2023-09-11 | Sand cleaning device and sand cleaning method for sand mold 3D printing |
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| CN202311162911.XA CN117066449B (en) | 2023-09-11 | 2023-09-11 | Sand cleaning device and sand cleaning method for sand mold 3D printing |
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| CN117066449B CN117066449B (en) | 2024-04-09 |
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|---|---|
| CN117066449B (en) | 2024-04-09 |
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