CN111531123A - Sand supply system and 3D printing equipment - Google Patents

Sand supply system and 3D printing equipment Download PDF

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Publication number
CN111531123A
CN111531123A CN202010367505.7A CN202010367505A CN111531123A CN 111531123 A CN111531123 A CN 111531123A CN 202010367505 A CN202010367505 A CN 202010367505A CN 111531123 A CN111531123 A CN 111531123A
Authority
CN
China
Prior art keywords
sand
belt
supply system
material containing
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010367505.7A
Other languages
Chinese (zh)
Inventor
麦恒嘉
何捷军
马玺
彭凡
刘轶
周志军
杨保宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kocel Intelligent Foundry Industry Innovation Center Co Ltd
Original Assignee
Kocel Intelligent Foundry Industry Innovation Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kocel Intelligent Foundry Industry Innovation Center Co Ltd filed Critical Kocel Intelligent Foundry Industry Innovation Center Co Ltd
Priority to CN202010367505.7A priority Critical patent/CN111531123A/en
Priority to PCT/CN2020/102604 priority patent/WO2021217901A1/en
Publication of CN111531123A publication Critical patent/CN111531123A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C5/00Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/14Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
    • B22C5/16Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00Mechanical conveyors not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top

Abstract

The invention discloses 3D printing equipment and a sand supply system, which comprise a material mixing device, a material containing device and a conveying device, wherein the material mixing device is used for mixing materials, the material containing device is used for receiving the discharged materials of the material mixing device, and the conveying device can drive the material containing device to move so as to respectively convey the materials in the material containing device to the 3D printing equipment needing sand supply to supply sand to the corresponding 3D printing equipment. By applying the 3D printing equipment and the sand supply system provided by the invention, the material mixing device is used for carrying out centralized material mixing, the mixed materials are stored through the material containing device, and the materials in the material containing device are respectively conveyed to the 3D printing equipment needing sand supply under the drive of the conveying device. Through this supply sand system, can send sand for single or many printers, improve present single 3D printing apparatus and be equipped with and send sand, compounding mechanism situation, reduce the waste in 3D printing apparatus cost, personnel and place, accomplish the automation of carrying.

Description

Sand supply system and 3D printing equipment
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a sand supply system and 3D printing equipment.
Background
At present 3D printing apparatus's grit is carried, mostly single equipment independent design compounding device constructs, then carries the grit to the sand-laying ware and spreads the sand operation. In the mode, each device needs to be provided with an independent mixing device mechanism, and an independent sand sucking mechanism is arranged beside the device, so that special personnel needs to manage the device, and the cost and the field waste of each device are more.
In summary, how to effectively solve the problems of high cost and the like caused by the independent design of a material mixing device for a single device is a problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a sand supply system, which is configured to effectively solve the problem that a single device is high in cost when a material mixing device is designed separately, and a second object of the present invention is to provide a 3D printing apparatus including the sand supply system.
In order to achieve the first object, the invention provides the following technical scheme:
the utility model provides a supply sand system, includes compounding device, flourishing material device and conveyer, the compounding device is used for the compounding, flourishing material device is used for accepting the ejection of compact of compounding device, conveyer can drive flourishing material device motion is in order to with material in the flourishing material device transports respectively to the equipment department that each needs to supply sand for corresponding equipment supplies sand.
Preferably, in the above-mentioned sand supply system, the containing device includes a belt, the conveyer includes a drive belt drive's torque output device, the belt is along each the arrangement position of equipment extends, just the discharge gate of compounding device set up in the top of belt.
Preferably, in the sand supply system, the material containing device comprises a plurality of belts, the belts are sequentially connected end to form an annular arrangement, and the discharge of the material mixing device is circularly transported through each belt.
Preferably, in the sand supply system, the material containing device includes at least one belt, the belt is linearly arranged, the material mixing device is arranged at the head end of the belt, and the devices are sequentially arranged along the extending direction of the belt.
Preferably, in the sand supply system, a sand storage hopper for containing the redundant materials on the belt is arranged at the tail end of the belt.
Preferably, among the above-mentioned sand supply system, still include baffle and sand volume adjusting device, the baffle is located the edge of belt, just correspond each on the baffle the equipment is provided with the feed opening respectively, corresponds each the feed opening sets up respectively sand volume adjusting device, just sand volume adjusting device includes regulating plate and driver part, the regulating plate is located the top of belt, and one end with the baffle rotates to be connected, and the other end can be in under driver part's drive with the feed opening is closed and is opened the within range rotation of predetermineeing the angle.
Preferably, in the sand supply system, the belt is disposed above each feed port of the equipment, belt guide devices are disposed above the feed ports and matched with the feed ports, the top ends of the belt guide devices are connected with the feed ports, and the bottom ends of the belt guide devices are located above the feed ports of the equipment correspondingly.
Preferably, in the sand supply system, the belt is disposed below each of the feed ports of the equipment, the belt guide devices are respectively disposed in cooperation with each of the feed ports, the sand collecting hoppers are disposed in cooperation with each of the equipment, the top ends of the belt guide devices are connected to the feed ports, the bottom ends of the belt guide devices are located above the feed ports of the corresponding sand collecting hoppers, the sand collecting hoppers are connected to the equipment through pipelines, and lifting devices for conveying the materials in the sand collecting hoppers to the equipment are disposed in the pipelines.
Preferably, in the sand supply system, the material containing device is a material containing hopper or a material containing vehicle respectively arranged corresponding to each of the devices, the bottom of the material containing hopper and the bottom of the material containing vehicle are provided with valve ports, the transportation device is a guide rail, a rope, a chain or a belt arranged above a material inlet of the device, and the transportation device extends along the arrangement position of each of the devices to convey each of the material containing hopper or the material containing vehicle to the corresponding device.
Preferably, in the sand supply system, the material containing device is a material containing hopper which is respectively arranged corresponding to each piece of equipment, the transportation device includes a rail, a reversing device and a movement device which is matched with the rail, and the movement device drives the material containing hopper which is arranged on the movement device to move to a position corresponding to each piece of equipment, and transfers the material containing hopper to the side of the equipment through the reversing device.
Preferably, in the sand supply system, the material containing devices are material containing hoppers respectively arranged corresponding to the devices, and the transportation device is an automatic guided transportation vehicle.
Preferably, the sand supply system further comprises a supply table disposed beside each of the devices for placing the material containing hopper.
The sand supply system provided by the invention comprises a mixing device, a containing device and a conveying device. Wherein, the compounding device is used for the compounding, and flourishing material device is used for accepting the ejection of compact of compounding device, and conveyer can drive flourishing material device motion and supply sand for the equipment that corresponds with transporting respectively to the equipment department that each needs to supply sand with the material in the flourishing material device.
By applying the sand supply system provided by the invention, the material mixing device is used for carrying out centralized material mixing, the mixed materials are stored through the material containing device, and the materials in the material containing device are respectively conveyed to the 3D printing equipment needing sand supply under the drive of the conveying device. Through this confession sand system, can send sand for single or many printers, can accomplish the transport according to its required sand volume for the 3D printing apparatus of different models moreover, improve present single 3D printing apparatus and be equipped with and send sand, compounding mechanism's situation, reduce the waste in 3D printing apparatus cost, personnel and place, accomplish the automation of carrying.
In order to achieve the second object, the invention further provides a 3D printing apparatus, wherein the 3D printing apparatus comprises any one of the sand supply systems. Since the sand supply system has the technical effects, the 3D printing device with the sand supply system also has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a sand supply system according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the portion B in FIG. 1;
FIG. 4 is a schematic view of the regulating plate of FIG. 1 in a closed state;
FIG. 5 is a schematic view of the regulating plate corresponding to FIG. 4 in an open state;
FIG. 6 is a schematic view of a belt installation;
FIG. 7 is a schematic structural view of a sand supply system according to a second embodiment of the present invention;
FIG. 8 is a schematic structural view of a sand supply system according to a third embodiment of the present invention;
FIG. 9 is a schematic structural view of the material containing device of FIG. 8;
FIG. 10 is a schematic structural view of a sand supply system according to a fourth embodiment of the present invention;
fig. 11 is a schematic structural view of a sand supply system according to a fifth embodiment of the present invention.
The following are labeled in figures 1-6:
1-1 mixing device, 1-2 first belt, 1-3 second belt, 1-4 third belt, 1-5 fourth belt, 1-6 sand guiding device, 1-7 belt guiding device, 1-8 adjusting plate, 1-9 sand storage hopper, 1-10 motor, 1-11 bearing, 1-12 rotating shaft and 1-133D printing equipment; 1-14 support rods, 1-15 belt wheels, 1-16 motors, 1-17 support seats and 1-18 integral installation seats;
labeled as follows in FIG. 7:
2-1 pump; 2-2 pipelines; 2-3 sand collecting hoppers;
the following are labeled in figures 8-9:
3-1, a mixing device; 3-2, a material containing device; 3-3, a transportation system; a 3-43D printing device;
labeled as follows in FIG. 10:
4-1 mixing device, 4-23D printing equipment, 4-3 material containing hopper, 4-4 motion equipment, 4-5 track, 4-6 transfer device and 4-7 feeding device;
labeled as follows in FIG. 11:
5-1 mixing device, 5-23D printing equipment, 5-3 material containing hopper, 5-4 motion equipment and 5-7 feeding device.
Detailed Description
The embodiment of the invention discloses a sand supply system, which aims to reduce equipment cost, personnel and field waste.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In one embodiment, the sand supply system provided by the invention comprises a mixing device, a containing device and a conveying device.
The mixing device is used for mixing materials, the specific structure of the mixing device is not limited, and mixing can be completed, such as blade mixing. This application is through corresponding with same compounding device with the equipment that many needs supplied sand, satisfies many equipment through this compounding device promptly and supplies sand, changes the one-to-one confession sand relation among the prior art.
The material containing device is used for receiving the discharging of the material mixing device, and the conveying device can drive the material containing device to move so as to convey the materials in the material containing device to the equipment positions needing sand supply respectively for supplying sand to the corresponding equipment. Because the equipment and the mixing device are in a many-to-one relationship, the materials which are mixed are transferred through the material containing device and the conveying device and are conveyed to each piece of equipment needing sand supply so as to be used by each piece of equipment respectively.
By applying the sand supply system provided by the invention, the material mixing device is used for carrying out centralized material mixing, the mixed materials are stored through the material containing device, and the materials in the material containing device are respectively conveyed to the 3D printing equipment needing sand supply under the drive of the conveying device. Through this confession sand system, can send sand for single or many printers, can accomplish the transport according to its required sand volume for the 3D printing apparatus of different models moreover, improve present single 3D printing apparatus and be equipped with and send sand, compounding device situation, reduce the waste in 3D printing apparatus cost, personnel and place, accomplish the automation of carrying.
The following description will be given by taking different structures of the material containing device and the transporting device as examples.
Specifically, flourishing material device includes the belt, and conveyer is including driving belt driven moment of torsion output device, and the belt extends along each 3D printing apparatus's the position of arranging, and the discharge gate of compounding device sets up in the top of belt. The discharging of compounding device is accepted through the belt, drives the belt transmission through moment of torsion output device to material transport to each 3D printing apparatus department on the belt. The torque output device can be a motor and drives a belt to transmit through transmission parts such as a synchronizing wheel and the like. The belt extends along each 3D printing apparatus's the position of arranging, and when many 3D printing apparatus become the inline, the belt extends along the straight line, and when many 3D printing apparatus become the broken line and arrange, then the belt extends along the broken line, specifically can connect gradually through a plurality of belts and form the broken line and extend. In the present application, a plurality of means two or more.
In a first embodiment, referring to fig. 1-6, the material containing device comprises a plurality of belts, the belts are connected end to end in sequence and arranged in a ring shape, and the material discharged from the material mixing device 1-1 is circularly transported through the belts. If four belts are arranged, the four belts are sequentially connected end to form a rectangular ring, and 3D printing equipment 1-13 needing sand supply is arranged on one side of each belt according to needs. The mixing device 1-1 may be specifically arranged at the front end of one of the belts.
Specifically, the mixing device 1-1 mixes sand and a curing agent in the mixing device 1-1, and then conveys the sand to a belt through a sand guide device 1-6, the belt is driven by a motor 1-10 through a belt pulley 1-15, and the belt pulley 1-15 makes a rotary motion, so that the belt is controlled to rotate. Supporting a belt wheel 1-15 and a related mechanism through a supporting seat 1-17, conveying sand through a first belt 1-2, a second belt 1-3, a third belt 1-4 and a fourth belt 1-5 which are connected end to end, finally feeding the rest sand into a mixing device 1-1 again, circulating, and performing circulating operation after mixing the sand with new sand again after the sand mixed at this time is used.
The belt is arranged in a ring shape, and circulation can be realized. The simple on-site wire assembly is of a linear structure and only adopts one-way transportation, the belts can also be arranged linearly, the material containing device comprises at least one belt, the belts are arranged linearly, the head end of each belt is provided with a material mixing device 1-1, and each 3D printing device 1-13 is sequentially arranged along the extension direction of each belt. Furthermore, the tail end of the belt is provided with sand storage hoppers 1-9 for containing redundant materials on the belt. After the sand is conveyed in one direction, the residual sand is finally integrated into the sand storage hoppers 1-9, and the pipeline is driven by manpower or a pump to be conveyed into the sand mixing device. The subsequent operation is the same as the above, when the sand mixed for the first time is used up, the residual sand in the sand mixing device is manually cleaned, mixed again and then conveyed.
In order to adjust the sand discharging amount, the sand discharging device further comprises a baffle and a sand amount adjusting device, the baffle is located at the edge of the belt, feed openings are formed in the baffle corresponding to the 3D printing devices 1-13 respectively, the sand amount adjusting device is arranged corresponding to the feed openings respectively and comprises an adjusting plate 1-8 and a driving part, the adjusting plate 1-8 is located above the belt, one end of the adjusting plate is rotatably connected with the baffle, and the other end of the adjusting plate can rotate within the range of closing and opening the feed openings by a preset angle under the driving of the driving part. In particular, the drive member may be a motor 1-16. The baffle is located at the edge of the belt to prevent material from falling off the belt. Corresponding to each 3D printing device 1-13, a feed opening is formed in the baffle, so that materials on the belt can enter the 3D printing devices 1-13 through the feed opening. The adjustment plates 1-8 are located above the belt, the bottom surface of which preferably contacts the belt. One end of the adjusting plate 1-8 is rotatably connected with the baffle, and the rotating shaft 1-12 of the adjusting plate 1-8 can be rotatably installed through the bearing 1-11, so that the rotating shaft 1-12 can rotate on the bearing 1-11 by controlling the motor 1-16 to act in the sand conveying process, and the adjusting plate 1-8 acts to adjust the opening amount. As shown in fig. 2, when the opening is larger, more sand is blocked, and when the opening is smaller, less sand is blocked, so that the sand amount is controlled to supply sand to the 3D printing devices 1 to 13. The tail end of the belt can be provided with a sand storage hopper 1-9, so that residual sand on a single belt finally enters the sand storage hopper 1-9, and a pipeline is driven by a person or a pump to be conveyed into the mixer again.
When the 3D printing equipment 1-13 shown in FIG. 3 does not need to start operation or when a certain amount of sand is left in the 3D printing equipment 1-13 to be operated, the adjusting plate 1-8 is closed and sand supply operation is not carried out. When the 3D printing apparatuses 1 to 13 shown in fig. 4 need to supply sand, the sand amount adjusting plates 1 to 8 are opened at a certain angle, and the angle needs to be calculated according to the demand of the 3D printing apparatuses 1 to 13, which is not described in detail herein.
When the sand mixing device works, sand is conveyed to the mixing device 1-1 to be mixed, then the sand is conveyed by the belt, sand discharging is completed through opening and closing of the adjusting plates 1-8 and the size of the opening angle in the conveying process, the sand returns to the mixing device 1-1 after a cycle is completed, when the sand mixed once is recycled, the sand remained in the mixing device 1-1 is manually removed, then the sand is mixed again, and then the sand is conveyed in a circulating mode. The position of the sand outlet of the mixing device 1-1 is not particularly required, and the sand outlet may be positioned above or below the mixing device 1-1 as shown in fig. 1 and then transported to a belt by a pump, a screw conveyor or the like.
In order to facilitate discharging of the material on the belt to the 3D printing devices 1 to 13, in the above embodiment, the belt is disposed above the feeding ports of the 3D printing devices 1 to 13, the belt guide devices 1 to 7 are respectively disposed in cooperation with the discharging ports, the top ends of the belt guide devices 1 to 7 are connected to the discharging ports, and the bottom ends are located above the feeding ports of the corresponding 3D printing devices 1 to 13. The belt is arranged above the feeding hole of the 3D printing equipment 1-13, if the whole body is arranged at the top of the 3D printing equipment 1-13 through the supporting rods 1-14, the supporting rods 1-14 can be fixedly connected with the whole installation seats 1-18, the conveying device is integrally arranged above the 3D printing equipment 1-13, sand is conveyed on the belt, and then the sand can be directly conveyed into the 3D printing equipment 1-13 through guiding.
In a second embodiment, please refer to fig. 7, which is different from the above embodiments in that a belt is disposed below the feed inlet of each 3D printing device, a belt guide device is disposed in cooperation with each feed outlet, a sand collecting hopper 2-3 is disposed in cooperation with each 3D printing device, the top end of the belt guide device is connected to the feed outlet, the bottom end of the belt guide device is located above the feed inlet of the corresponding sand collecting hopper 2-3, the sand collecting hopper 2-3 is connected to the 3D printing device through a pipeline, and a lifting device for conveying the material in the sand collecting hopper 2-3 to the 3D printing device is disposed in the pipeline. Specifically, the belt may be placed on the ground, the mechanism acts substantially the same as in the first embodiment, but the first embodiment is to introduce the mixed sand directly into the 3D printing apparatus, now because it is located on the ground, the sand is introduced into the sand collection hopper 2-3 through the belt guide, and then the sand is conveyed into the 3D printing apparatus through the pipe 2-2 under the pressure action of the lifting device such as the pump 2-1, the device does not specifically require the position of the lifting device, and may be placed above the 3D printing apparatus, or below the 3D printing apparatus, and the pipe 2-2 may be a steel wire hose, a stainless steel pipe, or the like. The lifting device may be a pipe conveyor such as a screw conveyor or the like in addition to the pump 2-1.
In a third embodiment, referring to fig. 8-9, the material holding device 3-2 is a material holding hopper or a material holding car respectively disposed corresponding to each 3D printing device 3-4, the material holding hopper and the material holding car are provided with valve ports at the bottom thereof, the transportation device is a guide rail, a rope, a chain or a belt disposed above the material inlet of the 3D printing device 3-4, and the transportation device extends along the disposition position of each 3D printing device 3-4 to transport each material holding hopper or material holding car to the corresponding 3D printing device 3-4. In the working process of a plurality of 3DP printers, a mixing device 3-1 provides printing materials, solid granular raw materials (such as sand) and chemical liquid materials are uniformly mixed, the mixed materials are conveyed to each printing unit through a conveying system 3-3 by a material containing device 3-2, the material using requirements of the 3DP printers are guaranteed, centralized mixing and centralized feeding of industrial operation of the 3DP printers are realized, wherein the placing positions of the mixing device 3-1 can be placed at different positions, and can be placed together with a 3D printing equipment factory building or separately; but also on the side of the 3D printing device 3-4 or in the middle of the printing 3D printing device 3-4.
The conveying device can be a transmission device such as a guide rail, a rope, a chain, a belt and the like, no specific requirement is required, only the conveying can be realized, the material containing device 3-2 can be used for enabling the material containing vehicle to run on the rail rope in an electric mode and the like, and can also be used for enabling the material containing vehicle to run on other material containing devices 3-2 such as a material containing hopper and the like. After the material containing device 3-2 reaches the top of the 3D printing equipment 3-4 through the conveying device, the valve port is opened to allow the material to flow into the 3D printing equipment 3-4 for operation.
In a fourth embodiment, please refer to fig. 10, the material holding device is a material holding hopper 4-3 respectively disposed corresponding to each 3D printing device 4-2, the transportation device includes a rail 4-5, a reversing device and a motion device 4-4 cooperating with the rail 4-5, the motion device 4-4 drives the material holding hopper 4-3 disposed thereon to move to a position corresponding to each 3D printing device 4-2, and the material holding hopper 4-3 is transferred to the side of the 3D printing device 4-2 by the reversing device.
The materials are mixed in the mixing device 4-1 and then enter the material containing hopper 4-3, the material containing hopper 4-3 is placed on the moving equipment 4-4 and circularly moves on the track 4-5 along with the moving equipment 4-4, the track 4-5 is internally provided with a rotatable reversing device to realize the steering of the moving equipment 4-4 on the track 4-5, and when the moving equipment 4-4 reaches the side of the 3D printing equipment 4-2, the material containing hopper 4-3 is reversed to be transported to the side of the 3D printing equipment 4-2. Specifically, a feeding device 4-7 can be arranged beside the 3D printing device 4-2, and the material containing hopper 4-3 is transferred to the feeding device 4-7 through switching. The 3D printing device 4-2 may then be fed by a pump or belt, screw feed, etc., as desired.
When the materials in the material containing hopper 4-3 beside the 3D printing device 4-2 are used up, the moving device 4-4 receives the material containing hopper 4-3, and then the other moving devices 4-4 supply materials to the 3D printing device 4-2 to replace the new material containing hopper 4-3. When the moving equipment 4-4 is an electric device such as RGV during the moving process, if the facing moving equipment 4-4 is touched, one of them enters the transfer device 4-6 according to the distance from the transfer device 4-6, and moves in the transfer device when there is no obstacle in front.
In a fifth embodiment, please refer to fig. 11, the material holding device is a material holding hopper 5-3 respectively disposed corresponding to each 3D printing apparatus 5-2, and the transportation device is an automatic guided transportation vehicle. The embodiment is different from the fourth embodiment in that the moving device 5-4 does not need to run on a specific track, such as an AGV, and the specific track is not needed to move freely, but only the moving device 5-4 moves freely to transport the material containing hopper 5-3 directly to the 3D printing device 5-2 for feeding. When the feeding device 5-7 is placed beside the 3D printing device 5-2, the moving device 5-4 moves freely and then the material containing hopper 5-3 is directly placed on the feeding device 5-7.
In the fourth and fifth embodiments, the printing device further includes a feeding table disposed beside each 3D printing apparatus for placing the material containing hopper. Through the setting of feed platform to place the hopper. And the number of the feeding devices 5-7 beside the 3D printing device is not limited in the two embodiments, the feeding frequency may be 1 when the feeding frequency is low, or may be multiple when the feeding frequency is high so that the feeding is not interrupted when the hopper is switched.
Based on the sand supply system provided in the above embodiment, the invention further provides a 3D printing apparatus, and the 3D printing apparatus includes any one of the sand supply systems in the above embodiments. Since the 3D printing apparatus adopts the sand supply system in the above embodiment, please refer to the above embodiment for the beneficial effects of the 3D printing apparatus.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (13)

1. The utility model provides a supply sand system, its characterized in that, includes interconnect's compounding device, flourishing material device and conveyer, the compounding device is used for the compounding, flourishing material device is used for accepting the ejection of compact of compounding device, conveyer can drive flourishing material device motion is in order to with material in the flourishing material device transports respectively to the equipment department that each needs to supply sand for corresponding equipment supplies sand.
2. A sand supply system according to claim 1, wherein the holding means comprises a belt, the transporting means comprises a torque output device for driving the belt, the belt extends along the arrangement position of each of the devices, and the discharge port of the mixing means is provided above the belt.
3. A sand supply system according to claim 2, wherein the material containing device comprises a plurality of belts, the belts are connected end to end in sequence and are arranged in an annular shape, and the discharge of the material mixing device is circularly transported through each belt.
4. A sand supply system according to claim 2, wherein the material containing device comprises at least one belt, the belt is arranged linearly, the material mixing device is arranged at the head end of the belt, and the devices are arranged in sequence along the extending direction of the belt.
5. A sand supply system according to claim 4, wherein the tail end of the belt is provided with a sand storage hopper for containing excess material on the belt.
6. A sand supply system according to any one of claims 2 to 5, further comprising a baffle plate and a sand amount adjusting device, wherein the baffle plate is located at the edge of the belt, the baffle plate is provided with a feed opening corresponding to each device, the sand amount adjusting device is provided with a feed opening corresponding to each feed opening, the sand amount adjusting device comprises an adjusting plate and a driving part, the adjusting plate is located above the belt, one end of the adjusting plate is rotatably connected with the baffle plate, and the other end of the adjusting plate can rotate within a range of closing and opening the feed opening by a preset angle under the driving of the driving part.
7. A sand supply system according to claim 6, wherein the belt is arranged above the feed inlet of each device, a belt guide device is arranged above the feed inlet of each device and matched with the feed outlet, the top end of the belt guide device is connected with the feed outlet, and the bottom end of the belt guide device is arranged above the corresponding feed inlet of the device.
8. The sand supply system according to claim 7, wherein the belt is arranged below the feed ports of the devices, belt guide devices are respectively arranged to be matched with the feed ports, sand collecting hoppers are arranged to be matched with the devices, the top ends of the belt guide devices are connected with the feed ports, the bottom ends of the belt guide devices are located above the corresponding feed ports of the sand collecting hoppers, the sand collecting hoppers are connected with the devices through pipelines, and lifting devices for conveying materials in the sand collecting hoppers into the devices are arranged in the pipelines.
9. The sand supply system according to claim 1, wherein the material holding device is a material holding hopper or a material holding vehicle respectively arranged corresponding to each device, the material holding hopper and the material holding vehicle are provided with valve ports at the bottoms thereof, the transportation device is a guide rail, a rope, a chain or a belt arranged above the material inlet of each device, and the transportation device extends along the arrangement position of each device to convey each material holding hopper or material holding vehicle to the corresponding device.
10. The sand supply system according to claim 1, wherein the material containing device is a material containing hopper which is respectively arranged corresponding to each device, the transportation device comprises a rail, a reversing device and a movement device which is matched with the rail, and the movement device drives the material containing hopper which is arranged on the movement device to move to the position corresponding to each device and transfers the material containing hopper to the side of the device through the reversing device.
11. A sand supply system according to claim 1, wherein the material containing device is a material containing hopper provided separately for each of the devices, and the transporting device is an automatic guided transporting vehicle.
12. A sand supply system as claimed in claim 10 or claim 11, further comprising a supply table located adjacent each of the apparatus for receiving the hopper.
13. A 3D printing apparatus, comprising a sand supply system according to any one of claims 1-12.
CN202010367505.7A 2020-04-30 2020-04-30 Sand supply system and 3D printing equipment Pending CN111531123A (en)

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CN202010367505.7A CN111531123A (en) 2020-04-30 2020-04-30 Sand supply system and 3D printing equipment
PCT/CN2020/102604 WO2021217901A1 (en) 2020-04-30 2020-07-17 Sand supply system and 3d printing apparatus

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CN202010367505.7A CN111531123A (en) 2020-04-30 2020-04-30 Sand supply system and 3D printing equipment

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Application publication date: 20200814