CN114619053B - Fused deposition type 3D printing device capable of printing metal powder - Google Patents
Fused deposition type 3D printing device capable of printing metal powder Download PDFInfo
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- CN114619053B CN114619053B CN202210271407.2A CN202210271407A CN114619053B CN 114619053 B CN114619053 B CN 114619053B CN 202210271407 A CN202210271407 A CN 202210271407A CN 114619053 B CN114619053 B CN 114619053B
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- 238000007639 printing Methods 0.000 title claims abstract description 235
- 239000002184 metal Substances 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 title claims abstract description 28
- 238000010146 3D printing Methods 0.000 title claims abstract description 16
- 230000008021 deposition Effects 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 239000000463 material Substances 0.000 claims abstract description 112
- 238000003756 stirring Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/55—Two or more means for feeding material
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Screen Printers (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a fused deposition type 3D printing device capable of printing metal powder in the technical field of 3D printing, which comprises a bottom plate, wherein a printing material cylinder and an adjusting mechanism are arranged at the upper end of the bottom plate, and the adjusting mechanism is used for driving the printing material cylinder to continuously move to different printing positions; a first piston plate is arranged in the printing feed cylinder and is in sliding fit with the inner wall of the printing feed cylinder; a first driving mechanism is arranged at the upper end of the printing charging barrel; the surface of the first piston plate is provided with a stirring mechanism; the feeding mechanism is arranged on the outer side surface of the printing material cylinder and used for automatically conveying printing materials into the printing material cylinder when the first piston plate slides upwards at the bottommost end position in the printing material cylinder; the device can be when printing the work piece through rabbling mechanism, can effectually prevent to print the material solidification, simultaneously through when printing the material in printing the feed cylinder and printing the material and finish, automatic transport new printing material to the printing in the feed cylinder.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a fused deposition type 3D printing device capable of printing metal powder.
Background
The 3D printing technology refers to a technology of generating a three-dimensional entity by stacking successive physical layers and adding materials layer by layer, unlike the conventional material removal processing technology, and thus is also called additive manufacturing. And the fused deposition modeling adopts a hot melting nozzle, so that the material in a semi-flowing state is extruded according to a path controlled by CAD layered data and is piled up at a designated position to be solidified into a prototype, and the prototype is extruded and piled up layer by layer, and the whole prototype or part is formed after solidification.
When the existing 3D printing device prints metal powder, the metal powder and paste liquid are mixed in a charging barrel, then materials mixed in the charging barrel are extruded and piled together along a certain track, and the extruded materials can be quickly solidified to form a 3D workpiece; however, as the 3D printing time is longer, the mixture in the charging barrel gradually solidifies during long-time printing, and the fluidity of the mixture is poor, so that the whole printing effect is affected; meanwhile, after the printing material in the charging barrel is printed, new printing material is required to be mixed again and injected into the charging barrel, and the operation is complex.
Based on the above, the present invention has devised a fused deposition type 3D printing apparatus capable of printing metal powder to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a fused deposition type 3D printing device capable of printing metal powder, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the fused deposition type 3D printing device capable of printing metal powder comprises a bottom plate, wherein a printing material cylinder and an adjusting mechanism are arranged at the upper end of the bottom plate, and the adjusting mechanism is used for driving the printing material cylinder to continuously move to different printing positions; a first piston plate is arranged in the printing feed cylinder and is in sliding fit with the inner wall of the printing feed cylinder; the upper end of the printing charging barrel is provided with a first driving mechanism which is used for driving a first piston plate to slide up and down in the printing charging barrel to squeeze printing materials in the printing charging barrel; the surface of the first piston plate is provided with a stirring mechanism, and the stirring mechanism is used for automatically stirring printing materials in the printing charging barrel when the first piston plate slides up and down; the printing material cylinder is characterized in that a feeding mechanism is arranged on the outer side surface of the printing material cylinder and used for automatically conveying printing materials into the printing material cylinder when the first piston plate slides upwards at the bottommost end position inside the printing material cylinder.
The first driving mechanism comprises a first fixing frame, the first fixing frame is fixedly connected with the printing charging barrel, the surface of the upper end of the first fixing frame is fixedly connected with a first motor, and the bottom end of an output shaft of the first motor is fixedly connected with a first gear; the bottom end of the first fixing frame is rotationally connected with a first rotating frame, the surface of the first rotating frame is fixedly connected with an outer gear ring, and the outer gear ring is meshed with a first gear; the middle part in the first rotating frame is provided with a first threaded rod which is in sliding connection with the first rotating frame and is in threaded fit with the first fixing frame; the first piston plate is fixedly connected with the bottom end of the first threaded rod, and the first threaded rod has self-locking property.
The stirring mechanism comprises a first conveyor belt, and a plurality of stirring rods are connected to the surface of the first conveyor belt in a sliding manner; the surface of the first piston plate is provided with a groove which is penetrated up and down, the first conveyor belt is positioned in the groove, and two rotating shafts in the first conveyor belt are both in rotary connection with the first piston plate; the surfaces of the upper end and the lower end of the first conveyor belt are respectively in sealing fit with the inner wall of the groove; the upper ends of two rotating shafts in the first conveyor belt are fixedly connected with first telescopic rods, and the first telescopic rods are rotationally connected with a first piston plate; the bottom end of the first rotating frame is provided with a second driving belt, two rotating shafts inside the second driving belt are both in rotating connection with the first rotating frame, and two rotating shafts inside the second driving belt are respectively and fixedly connected with two first telescopic rods; the upper end of the stirring rod is rotationally connected with the second transmission belt; the surface of the first rotating frame is provided with a second driving mechanism, and the second driving mechanism is used for driving the second driving belt to reciprocate to drive when the first piston plate slides up and down and starting to drive the feeding mechanism to operate when the first piston plate moves to the bottommost position in the printing charging barrel.
The second driving mechanism comprises two second gears which are distributed at the left side and the right side of the first rotating frame and are in rotary connection with the first rotating frame; the two second gears are fixedly connected with two rotating shafts inside the second transmission belt respectively; the left side and the right side of the bottom end of the first fixing frame are fixedly connected with first arc racks, the front side and the rear side are symmetrically and fixedly connected with second arc racks, and the second gears are alternately meshed with the first arc racks and the second arc racks; the radius of the second arc-shaped rack is larger than that of the first arc-shaped rack, and the number of teeth on the surfaces of the first arc-shaped rack and the second arc-shaped rack is equal.
The feeding mechanism comprises two feeding barrels, the two feeding barrels are distributed at the left side and the right side of the printing barrel, and paste liquid and metal powder are respectively arranged in the two feeding barrels and the left side and the right side of the printing barrel; the left side and the right side of the upper charging barrel are communicated with the bottom end part of the printing charging barrel, a sealing plate is slidably connected at the joint of the interior of the upper charging barrel and the printing charging barrel, first sliding rods are fixedly connected at the front side and the rear side of the surface of the sealing plate, the first sliding rods are slidably connected with the printing charging barrel, a first spring is sleeved on the surface of each first sliding rod, one end of each first spring is fixedly connected with the printing charging barrel, and the other end of each first spring is fixedly connected with the first sliding rods; the bottom end position of the middle part in the feeding cylinder at the left side is rotationally connected with a second threaded rod, the surface of the second threaded rod is in threaded fit with a second piston plate, and the second piston plate is in sealing fit with the inner wall of the feeding cylinder at the left side; the second threaded rod has self-locking property; the middle bottom end position in the feeding barrel on the right side is fixedly connected with a protective box, the upper side position and the left side position in the protective box are respectively and rotatably connected with a first bevel gear and a second bevel gear, and the first bevel gear is meshed with the second bevel gear; the left end of the second bevel gear is fixedly connected with an auger, and the auger is rotationally connected with the feeding barrel on the right side; and the upper end positions of the feeding barrels on the left side and the right side are provided with third driving mechanisms, the third driving mechanisms are used for being in butt joint with the second driving mechanisms when the first piston plate moves to the bottommost end position, and the third driving mechanisms are separated from the second driving mechanisms when the first piston plate moves to the topmost end position.
The third driving mechanism comprises two sliding plates, the two sliding plates are distributed at the left side and the right side of the upper part of the printing charging barrel and are both in sliding connection with the printing charging barrel and the first fixing frame; a first chute is formed in the inner edge position of the sliding plate, and a toothed belt is connected in a sliding manner in the first chute; the parts, close to each other, of the first sliding grooves on the surfaces of the sliding plates on the left side and the right side are arc-shaped, and the bending degree and the radius are consistent with those of the second arc-shaped racks; the toothed belt is meshed with the second gear; the parts, far away from each other, inside the sliding plates on the left side and the right side are respectively provided with a roller, the rollers are rotationally connected with the sliding plates, and the rollers are attached to the surfaces of the toothed belts; the roller is characterized in that a first universal joint is fixedly connected to the bottom end of the roller, a second telescopic rod is fixedly connected to the bottom end of the first universal joint, a second universal joint is fixedly connected to the bottom end of the second telescopic rod, the bottom end of the second universal joint is fixedly connected with a second threaded rod on the left side, and the bottom end of the second universal joint on the right side is fixedly connected with a first bevel gear; the upper end surface of the first threaded rod is provided with a fourth driving mechanism, the fourth driving mechanism is used for driving the sliding plates on the left side and the right side to simultaneously slide to the position where the toothed belt is meshed with the second gear in the inward position when the first threaded rod moves to the bottommost position, and enabling the sliding plates to reset when the first threaded rod moves to the topmost position.
The fourth driving mechanism comprises a rotating rod and two second fixing frames, the rotating rod is rotationally connected with the upper end surface of the first threaded rod, and the two second fixing frames are fixedly connected with the left side and the right side of the upper end of the printing charging barrel; the second fixing frame is internally and slidably connected with a second sliding rod, the bottom end of the second sliding rod is rotationally connected with a connecting rod, and the bottom end of the connecting rod is rotationally connected with the sliding plate; fixing rods are symmetrically and fixedly connected to the front side and the rear side of the upper end of the second sliding rod; clamping blocks are symmetrically and fixedly connected to the upper end of the second fixing frame at the front side and the rear side of the fixing rod, are made of elastic metal materials and are matched with the fixing rod in a clamping manner; baffle plates are symmetrically and fixedly connected to the front end and the rear end of the bottom of the second fixing frame; the left end and the right end of the rotating rod are symmetrically and fixedly connected with compression rods, the compression rods are attached to the upper end parts of the fixed rods, the bottom ends of the compression rods are fixedly connected with third telescopic rods, the bottom ends of the third telescopic rods are fixedly connected with pull rods, the bottom ends of the pull rods are attached to the upper end parts of the baffle plates, and the upper ends of the pull rods are attached to the bottom end parts of the fixed rods; and the surfaces of the front end and the rear end of the fixed plate are symmetrically and fixedly connected with a third spring, and the other end of the third spring is fixedly connected with the printing charging barrel.
The adjusting mechanism comprises a second chute, a sliding column is connected in the second chute in a sliding manner, a third threaded rod is connected in the second chute in a rotating manner, and the third threaded rod is in threaded fit with the sliding column; the left end surface of the bottom plate is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with a third threaded rod; a third sliding groove is formed in the sliding column, a sliding block is connected in the third sliding groove in a sliding manner, a fourth threaded rod is connected in the third sliding groove in a rotating manner, and the fourth threaded rod is in threaded fit with the sliding block; the upper end of the sliding column is fixedly connected with a third motor, and the bottom end of an output shaft of the third motor is fixedly connected with a fourth threaded rod; the front end of the sliding block is fixedly connected with an air cylinder, and the front end of the air cylinder is fixedly connected with the printing charging barrel; the third threaded rod and the fourth threaded rod are self-locking.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first piston plate is driven to move downwards by the first driving mechanism, the printing material in the printing material cylinder is extruded to print when the first piston plate moves downwards, and the stirring mechanism can continuously stir the printing material in the printing material cylinder in the process of moving downwards, so that the phenomenon that the printing material in the printing material cylinder is solidified due to overlong printing time can be effectively prevented; the first piston plate is driven by the first driving mechanism to extrude printing materials in the printing charging barrel, and then the printing charging barrel is driven to a plurality of printing positions to print by the driving adjusting mechanism, so that the effect of printing workpieces can be realized; when the first piston plate moves to the bottommost position in the printing feed cylinder, printing materials in the printing feed cylinder are completely extruded out, the first driving mechanism starts to drive the first piston plate to move upwards, in the process that the first piston plate moves upwards, the feeding mechanism starts to automatically convey metal powder and paste liquid into the printing feed cylinder, and meanwhile, the stirring mechanism fully stirs and mixes the metal powder and the paste liquid together, so that the effects of automatically feeding and fully mixing the printing materials together after the printing materials in the printing feed cylinder are consumed are achieved.
2. When the first driving mechanism drives the first piston plate and the first threaded rod to move downwards to squeeze printing materials in the printing material cylinder, the first driving mechanism can drive the plurality of printing rods to continuously reciprocate in the grooves on the surface of the first piston plate to stir the printing materials in the printing material cylinder through the second driving mechanism; when the first piston plate and the first threaded rod move to the bottommost position, the first threaded rod drives the third driving mechanism to be in butt joint with the second driving mechanism through the fourth driving mechanism; when the first driving mechanism drives the first piston plate and the first threaded rod to move upwards, the second driving mechanism drives the third driving mechanism to intermittently operate and drives the stirring rods to continuously move and stir, the third driving mechanism drives the feeding cylinders on the left side and the right side to intermittently convey printing materials to the printing cylinders, when a part of the printing materials enter the printing cylinders, the printing materials can be rapidly stirred and mixed uniformly by the stirring rods, so that the phenomenon that the printing materials are easily solidified due to the fact that the printing materials enter the printing cylinders once and largely can be prevented, the stirring and mixing effect is influenced, meanwhile, the printing materials in the printing cylinders are not too much when the first piston plate moves to the uppermost position in the printing cylinders, and the phenomenon that the printing materials in the printing cylinders are easily solidified due to the fact that the printing materials are located in the printing cylinders for a long time is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a printing cartridge and a loading cartridge according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic view of a printing cartridge according to the present invention;
FIG. 5 is a schematic cross-sectional view of a top view of a print cartridge of the present invention;
FIG. 6 is a schematic cross-sectional view of a front view of a print cartridge of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B;
FIG. 8 is a schematic diagram of a feeding mechanism according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8C;
FIG. 10 is a schematic diagram of a fourth driving mechanism according to the present invention;
fig. 11 is an enlarged schematic view of the structure of D in fig. 10.
In the drawings, the list of components represented by the various numbers is as follows:
the printing drive device comprises a bottom plate 1, a printing feed cylinder 2, a first piston plate 3, a first fixing frame 4, a first motor 5, a first gear 6, a first rotating frame 7, an outer gear ring 8, a first conveying belt 9, a stirring rod 10, a groove 11, a first telescopic rod 12, a second conveying belt 13, a second gear 14, a first arc-shaped rack 15, a second arc-shaped rack 16, an upper feed cylinder 17, a sealing plate 18, a first sliding rod 19, a first spring 20, a second threaded rod 21, a second piston plate 22, a protective box 23, a first bevel gear 24, a second bevel gear 25, a packing auger 26, a sliding plate 27, a first sliding groove 28, a toothed belt 29, a roller 30, a first universal joint 31, a second telescopic rod 32, a second universal joint 33, a rotating rod 34, a second fixing frame 35, a second sliding rod 36, a connecting rod 37, a fixing rod 38, a clamping block 39, a baffle 40, a pressing rod 41, a third telescopic rod 42, a pressing rod 43, a third spring 44, a second sliding groove 45, a sliding column 46, a third threaded rod 47, a second motor 48, a third sliding groove 49, a fourth sliding rod 50, a fourth threaded rod 52, a third threaded rod 52, and a third air cylinder 54.
Detailed Description
Referring to fig. 1-11, the present invention provides a technical solution: the fused deposition type 3D printing device capable of printing metal powder comprises a bottom plate 1, wherein a printing material cylinder 2 and an adjusting mechanism are arranged at the upper end position of the bottom plate 1, and the adjusting mechanism is used for driving the printing material cylinder 2 to continuously move to different printing positions; the printing charging barrel 2 is internally provided with a first piston plate 3, and the first piston plate 3 is in sliding fit with the inner wall of the printing charging barrel 2; the upper end of the printing material cylinder 2 is provided with a first driving mechanism which is used for driving the first piston plate 3 to slide up and down in the printing material cylinder 2 to squeeze printing materials in the printing material cylinder 2; the surface of the first piston plate 3 is provided with a stirring mechanism, and the stirring mechanism is used for automatically stirring printing materials in the printing material cylinder 2 when the first piston plate 3 slides up and down; the feeding mechanism is arranged on the outer side surface of the printing material cylinder 2 and is used for automatically conveying printing materials into the printing material cylinder 2 when the first piston plate 3 slides upwards at the bottommost end position in the printing material cylinder 2;
when the printing device is in operation, when metal powder and paste liquid are mixed in the printing material cylinder 2, the printing material in the printing material cylinder 2 is easy to solidify due to longer printing time, and the fluidity of the printing material is poor, so that the printing effect is affected; the device drives the first piston plate 3 to move downwards through the first driving mechanism, the first piston plate 3 can squeeze out printing materials in the printing feed cylinder 2 to print when moving downwards, and in the process of moving downwards the first piston plate 3, the stirring mechanism can continuously stir the printing materials in the printing feed cylinder 2, so that the phenomenon that the printing materials in the printing feed cylinder 2 are solidified due to overlong printing time can be effectively prevented; the first piston plate 3 is driven by the first driving mechanism to extrude printing materials in the printing material cylinder 2, and then the printing material cylinder 2 is driven to a plurality of printing positions to print by the driving and adjusting mechanism, so that the effect of printing workpieces can be realized; when the first piston plate 3 moves to the bottommost position in the printing feed cylinder 2, the printing materials in the printing feed cylinder 2 are completely extruded at the moment, the first driving mechanism starts to drive the first piston plate 3 to move upwards, in the process that the first piston plate 3 moves upwards, the feeding mechanism starts to automatically convey metal powder and paste liquid into the printing feed cylinder 2, and meanwhile, the stirring mechanism fully stirs and mixes the metal powder and the paste liquid together, so that the effects of automatically feeding and fully mixing the printing materials together after the printing materials in the printing feed cylinder 2 are consumed are achieved.
As a further scheme of the invention, the first driving mechanism comprises a first fixing frame 4, the first fixing frame 4 is fixedly connected with the printing charging barrel 2, the surface of the upper end of the first fixing frame 4 is fixedly connected with a first motor 5, and the bottom end of an output shaft of the first motor 5 is fixedly connected with a first gear 6; the bottom end of the first fixing frame 4 is rotationally connected with a first rotating frame 7, the surface of the first rotating frame 7 is fixedly connected with an outer gear ring 8, and the outer gear ring 8 is meshed with the first gear 6; the middle part in the first rotating frame 7 is provided with a first threaded rod 54, the first threaded rod 54 is in sliding connection with the first rotating frame 7, and the first threaded rod 54 is in threaded fit with the first fixing frame 4; the first piston plate 3 is fixedly connected with the bottom end of the first threaded rod 54, and the first threaded rod 54 has self-locking property; in operation, since the printing material inside the printing cartridge 2 requires the first piston plate 3 to move downward to squeeze out the printing material; the first motor 5 can drive the first gear 6 to rotate, the first gear 6 can drive the outer gear ring 8 to rotate when rotating, the outer gear ring 8 drives the first rotating frame 7 to start rotating on the surface of the first fixing frame 4, the first rotating frame 7 can drive the first threaded rod 54 to rotate when rotating, the first threaded rod 54 can drive the first piston plate 3 to rotate when rotating, and meanwhile, under the action of the first fixing frame 4, the first threaded rod 54 drives the first piston plate 3 to move downwards, and printing materials in the printing material cylinder 2 can be extruded when moving downwards through the first piston plate 3.
As a further scheme of the invention, the stirring mechanism comprises a first conveyor belt 9, and a plurality of stirring rods 10 are connected to the surface of the first conveyor belt 9 in a sliding manner; the surface of the first piston plate 3 is provided with a groove 11 which is penetrated up and down, the first conveyor belt 9 is positioned in the groove 11, and two rotating shafts in the first conveyor belt 9 are both in rotary connection with the first piston plate 3; the surfaces of the upper end and the lower end of the first conveyor belt 9 are respectively in sealing fit with the inner wall of the groove 11; the upper ends of two rotating shafts inside the first conveyor belt 9 are fixedly connected with a first telescopic rod 12, and the first telescopic rod 12 is rotationally connected with the first piston plate 3; the bottom end of the first rotating frame 7 is provided with a second driving belt 13, two rotating shafts inside the second driving belt 13 are both in rotary connection with the first rotating frame 7, and two rotating shafts inside the second driving belt 13 are respectively and fixedly connected with two first telescopic rods 12; the upper end of the stirring rod 10 is rotationally connected with a second transmission belt 13; the surface of the first rotating frame 7 is provided with a second driving mechanism, and the second driving mechanism is used for driving the second driving belt 13 to reciprocate to drive when the first piston plate 3 slides up and down and starting to drive the feeding mechanism to operate when the first piston plate 3 moves to the bottommost position in the printing feed cylinder 2; when the printing machine works, due to the fact that the time for printing a workpiece is long, solidification occurs when the printing material in the printing material cylinder 2 is dropped for a long time, and when the first piston plate 3 is driven by the first driving mechanism to move downwards to extrude the printing material, the first rotating frame 7 and the first piston plate 3 respectively drive the second driving belt 13 and the first driving belt 9 to rotate along with the first rotating frame 7 and the first piston plate 3, and the plurality of stirring rods 10 can be driven to rotate along with the first piston plate 3 through the first driving belt 9 and the second driving belt 13; because the groove 11 on the surface of the first piston plate 3 cannot be a continuous groove 11, under the action of the second driving mechanism, the second driving belt 13 starts continuous reciprocating driving, the second driving belt 13 can drive the first driving belt 9 to follow the second driving belt 13 to reciprocate through the first telescopic rod 12, and under the action of the first driving belt 9 and the second driving belt 13, all stirring rods 10 can also reciprocate along the track of the first driving belt 9 while rotating along the first piston plate 3, so that the phenomenon that the stirring rods 10 continuously stir the printing material when the piston plate moves downwards to extrude the printing material can be achieved, the solidification phenomenon of the printing material can be effectively prevented, and the printing effect of the device is improved.
As a further scheme of the invention, the second driving mechanism comprises two second gears 14, the two second gears 14 are distributed at the left side and the right side of the first rotating frame 7, and the second gears 14 are in rotary connection with the first rotating frame 7; the two second gears 14 are fixedly connected with two rotating shafts inside the second transmission belt 13 respectively; the left side and the right side of the bottom end of the first fixing frame 4 are fixedly connected with a first arc-shaped rack 15, the front side and the rear side are symmetrically and fixedly connected with a second arc-shaped rack 16, and the second gear 14 is alternately meshed with the first arc-shaped rack 15 and the second arc-shaped rack 16; the radius of the second arc-shaped rack 16 is larger than that of the first arc-shaped rack 15, and the number of teeth on the surfaces of the first arc-shaped rack 15 and the second arc-shaped rack 16 is equal; when the first rotating frame 7 is driven by the first driving mechanism to rotate, the first rotating frame 7 drives the second gears 14 on the left side and the right side of the surface of the first rotating frame 7 to rotate along with the first rotating frame 7, when the first rotating frame 7 drives the second gears 14 to rotate to the front side and the rear side, the second gears 14 on the front side and the rear side are respectively meshed with the second arc racks 16 on the front side and the rear side at the moment, the second gears 14 start to rotate under the action of the second arc racks 16, and the second transmission belt 13 can be driven to transmit through the second gears 14; when the first rotating frame 7 drives the second gear 14 to rotate to the left side and the right side, the second gears 14 on the left side and the right side are respectively meshed with the first arc racks 15 on the left side and the right side at the moment, the second gears 14 start to rotate reversely under the action of the first arc racks 15, and meanwhile, the second gears 14 drive the second driving belt 13 to drive in the reverse direction; the stirring rod can be driven to reciprocate in the groove 11 on the surface of the first piston plate 3 by the continuous reciprocating rotation of the second gear 14.
As a further scheme of the invention, the feeding mechanism comprises two feeding barrels 17, the two feeding barrels 17 are distributed at the left side and the right side of the printing barrel 2, and the two feeding barrels 17 are fixedly connected with the printing barrel 2; paste liquid and metal powder are respectively arranged in the feeding cylinders on the left side and the right side; the bottom end parts of the upper charging barrels 17 on the left side and the right side are communicated with the bottom end part of the printing charging barrel 2, a sealing plate 18 is slidably connected at the position of the joint of the inside of the upper charging barrel 17 and the printing charging barrel 2, a first sliding rod 19 is fixedly connected at the front side and the rear side of the surface of the sealing plate 18, the first sliding rod 19 is slidably connected with the printing charging barrel 2, a first spring 20 is sleeved on the surface of the first sliding rod 19, one end of the first spring 20 is fixedly connected with the printing charging barrel 2, and the other end of the first spring 20 is fixedly connected with the first sliding rod 19; the bottom end position of the middle part in the left feeding barrel 17 is rotationally connected with a second threaded rod 21, the surface of the second threaded rod 21 is in threaded fit with a second piston plate 22, and the second piston plate 22 is in sealing fit with the inner wall of the left feeding barrel 17; the second threaded rod 21 has self-locking property; the middle bottom end position in the right feeding barrel 17 is fixedly connected with a protective box 23, the upper side position and the left side position in the protective box 23 are respectively and rotatably connected with a first bevel gear 24 and a second bevel gear 25, and the first bevel gear 24 is meshed with the second bevel gear 25; the left end of the second bevel gear 25 is fixedly connected with an auger 26, and the auger 26 is rotationally connected with the feeding barrel 17 on the right side; the upper end positions of the charging barrels 17 on the left side and the right side are provided with third driving mechanisms, the third driving mechanisms are used for abutting with the second driving mechanisms when the first piston plate 3 moves to the bottommost end position, and the third driving mechanisms are separated from the second driving mechanisms when the first piston plate 3 moves to the topmost end position; when the printing cylinder works, the first driving mechanism drives the first piston plate 3 to move downwards to the bottommost position, and at the moment, the first piston plate 3 completely extrudes all printing materials in the printing cylinder 2; the third driving mechanism starts to be in butt joint with the second driving mechanism, when the first piston plate 3 starts to move upwards, the first driving mechanism drives the second driving mechanism to operate, the second driving mechanism drives the third driving mechanism to operate, the second threaded rod 21 and the first bevel gear 24 in the upper charging barrel 17 on the left side can be simultaneously driven to rotate through the third driving mechanism, the second piston plate 22 in the upper charging barrel 17 on the left side can be driven to move downwards when the second threaded rod 21 rotates, paste liquid in the upper charging barrel 17 on the left side can be extruded when the second piston plate 22 moves downwards, the paste liquid starts to extrude the sealing plate 18 at the left side position of the printing charging barrel 2, when the pressure of the paste liquid on the sealing plate 18 is larger than the elastic force of the first spring 20, the first spring 20 is compressed, the sealing plate 18 at the left side position starts to move towards the inside of the printing charging barrel 2, and when the sealing plate 18 moves to the inside position of the printing barrel 2, the paste liquid in the upper charging barrel 17 on the left side can flow into the printing barrel 2; similarly, the first bevel gear 24 drives the second bevel gear 25 to rotate when rotating, the second bevel gear 25 drives the auger 26 to rotate when rotating, the metal powder in the right feeding barrel 17 starts to drive into the printing barrel 2 under the action of the auger 26, the metal powder starts to extrude the right sealing plate 18, and when the extrusion force of the metal powder on the right sealing plate 18 reaches a certain degree, the metal powder can be directly extruded into the printing barrel 2; when part of the metal powder and the paste liquid enter the printing cylinder 2, the first piston plate 3 continues to move upwards at the moment, and the stirring mechanism can continuously stir the paste liquid and the metal powder; therefore, the printing material in the printing material cylinder 2 can be automatically injected into the printing material cylinder 2 after the printing material in the printing material cylinder 2 is consumed.
As a further scheme of the invention, the third driving mechanism comprises two sliding plates 27, the two sliding plates 27 are distributed at the left side and the right side of the upper part of the printing material cylinder 2, and the two sliding plates 27 are in sliding connection with the printing material cylinder 2 and the first fixing frame 4; the inner edge of the sliding plate 27 is provided with a first sliding groove 28, and the first sliding groove 28 is connected with a toothed belt 29 in a sliding way; the parts of the first sliding grooves 28 on the surfaces of the sliding plates 27 on the left side and the right side, which are close to each other, are arc-shaped, and the bending degree and the radius are consistent with those of the second arc-shaped racks 16; toothed belt 29 meshes with second gear 14; the inner parts of the sliding plates 27 at the left side and the right side are respectively provided with a roller 30 at a part far away from each other, the rollers 30 are rotationally connected with the sliding plates 27, and the rollers 30 are attached to the surface of the toothed belt 29; the bottom end of the roller 30 is fixedly connected with a first universal joint 31, the bottom end of the first universal joint 31 is fixedly connected with a second telescopic rod 32, the bottom end of the second telescopic rod 32 is fixedly connected with a second universal joint 33, the bottom end of the left second universal joint 33 is fixedly connected with a second threaded rod 21, and the bottom end of the right second universal joint 33 is fixedly connected with a first bevel gear 24; the upper end surface of the first threaded rod 54 is provided with a fourth driving mechanism for driving the slide plates 27 on the left and right sides to slide to the inward position simultaneously to a position where the toothed belt 29 meshes with the second gear 14 when the first threaded rod 54 is moved to the bottommost position, and resetting the slide plates 27 when the first threaded rod 54 is moved to the topmost position; when the third driving mechanism is in butt joint with the second driving mechanism, the toothed belt 29 on the surface of the sliding plate 27 is positioned at a position meshed with the second gear 14, when the first rotating frame 7 drives the second gear 14 to rotate to a position meshed with the toothed belt 29, the second gear 14 starts to be meshed with the first arc-shaped rack 15, under the action of the first arc-shaped rack 15, the second gear 14 starts to rotate and drives the toothed belt 29 to start transmission, the toothed belt 29 drives the roller 30 contacted with the toothed belt 29 to rotate when in transmission, the roller 30 drives the first universal joint 31 to rotate when in rotation, and the first universal joint 31 can drive the second universal joint 33 to rotate through the second telescopic rod 32; when the second universal joints 33 on the left side and the right side rotate, the second threaded rod 21 and the first bevel gear 24 are respectively driven to rotate, so that printing materials in the feeding barrels 17 on the left side and the right side can automatically enter the printing barrel 2; when the first rotating frame 7 drives the second gear 14 to rotate to a position separated from the toothed belt 29, at the moment, the printing materials in the upper charging barrels 17 at the left side and the right side can stop transporting to the printing charging barrels 2, the existing printing materials in the printing charging barrels 2 can be fully stirred under the action of the stirring mechanism, and when the second gear 14 rotates to a position meshed with the toothed belt 29 again, the printing materials in the upper charging barrels 17 at the left side and the right side can continue transporting to the printing charging barrels 2, so that the intermittent transporting of the printing materials to the printing charging barrels 2 can be realized, and the stirring effect of the stirring mechanism can be effectively improved, so that the printing materials can be fully mixed.
As a further scheme of the invention, the fourth driving mechanism comprises a rotating rod 34 and two second fixing frames 35, wherein the rotating rod 34 is rotationally connected with the upper end surface of the first threaded rod 54, and the two second fixing frames 35 are fixedly connected with the left side and the right side of the upper end of the printing material cylinder 2; the second fixing frame 35 is connected with a second sliding rod 36 in a sliding way, the bottom end of the second sliding rod 36 is connected with a connecting rod 37 in a rotating way, and the bottom end of the connecting rod 37 is connected with the sliding plate 27 in a rotating way; the front side and the rear side of the upper end of the second slide bar 36 are symmetrically and fixedly connected with a fixed rod 38; the upper end of the second fixing frame 35 is symmetrically and fixedly connected with clamping blocks 39 at the front side and the rear side of the fixing rod 38, the clamping blocks 39 are made of elastic metal materials, and the clamping blocks 39 are in clamping fit with the fixing rod 38; baffle plates 40 are symmetrically and fixedly connected to the front end and the rear end of the bottom of the second fixing frame 35; the left end and the right end of the rotating rod 34 are symmetrically and fixedly connected with a pressing rod 41, the pressing rod 41 is attached to the upper end part of the fixed rod 38, the bottom end of the pressing rod 41 is fixedly connected with a third telescopic rod 42, the bottom end of the third telescopic rod 42 is fixedly connected with a pull rod 43, the bottom end of the pull rod 43 is attached to the upper end part of the baffle 40, and the upper end of the pull rod 43 is attached to the bottom end part of the fixed rod 38; the surfaces of the front end and the rear end of the fixed plate are symmetrically and fixedly connected with a third spring 44, and the other end of the third spring 44 is fixedly connected with the printing feed cylinder 2; when the first driving mechanism drives the first threaded rod 54 and the first piston plate 3 to move downwards to the bottommost position, at the moment, the first piston plate 3 drives the rotating rod 34 to move to the bottommost position, the rotating rod 34 can downwards press the fixing rod 38 to the bottommost position through the pressing rod 41, when the fixing rod 38 is at the bottommost position, the fixing rod 38 can be clamped with the clamping block 39, the fixing rod 38 can drive the second sliding rod 36 to downwards slide to the bottommost position, the second sliding rod 36 can drive the sliding plate 27 to slide to the innermost position of the upper charging barrel 17 through the connecting rod 37, and when the sliding plate 27 slides to the innermost position, the toothed belt 29 on the surface of the sliding plate 27 is at a position capable of being meshed with the second gear 14; when the first threaded rod 54 and the first piston plate 3 move upwards, the rotating rod 34 drives the pressing rod 41 to move upwards, the pressing rod 41 drives the third telescopic rod 42 to stretch upwards, the pressing rod 41 releases the fixing rod 38, and the fixing rod 38 is clamped by the clamping block 39, so that the toothed belt 29 can be kept in a meshing position with the second gear 14; when the first threaded rod 54 moves to a position close to the uppermost end, the third telescopic rod 42 is stretched to the maximum length, and when the first threaded rod 54 continues to move upwards, the pull rod 43 is driven by the third telescopic rod 42 to move upwards; when the first threaded rod 54 moves to the uppermost position, the pull rod 43 is pulled to the upper end of the clamping block 39 by the third telescopic rod 42, the fixed rod 38 can be pulled upwards to the upper end of the clamping block 39 by the pull rod 43, and when the fixed rod 38 is separated from the clamping block 39, the sliding plate 27 is rebounded to the original position under the action of the third spring 44, and the toothed belt 29 moves to a position which cannot be meshed with the second gear 14 along with the sliding plate 27.
As a further scheme of the invention, the adjusting mechanism comprises a second chute 45, a sliding column 46 is connected in a sliding way in the second chute 45, a third threaded rod 47 is connected in a rotating way in the second chute 45, and the third threaded rod 47 is in threaded fit with the sliding column 46; the left end surface of the bottom plate 1 is fixedly connected with a second motor 48, and an output shaft of the second motor 48 is fixedly connected with a third threaded rod 47; a third sliding groove 49 is formed in the sliding column 46, a sliding block 50 is connected in the third sliding groove 49 in a sliding mode, a fourth threaded rod 51 is connected in the third sliding groove 49 in a rotating mode, and the fourth threaded rod 51 is in threaded fit with the sliding block 50; the upper end of the sliding column 46 is fixedly connected with a third motor 52, and the bottom end of an output shaft of the third motor 52 is fixedly connected with a fourth threaded rod 51; the front end of the sliding block 50 is fixedly connected with an air cylinder 53, and the front end of the air cylinder 53 is fixedly connected with the printing cylinder 2; the third threaded rod 47 and the fourth threaded rod 51 have self-locking property; when the printing device works, as the printing material cylinder 2 is required to be continuously adjusted to different printing positions when a workpiece is printed, the second motor 48 is started to drive the third threaded rod 47 to rotate, and the third threaded rod 47 can drive the sliding column 46 to slide left and right in the second sliding groove 45, so that the left and right positions of the printing material cylinder 2 can be adjusted; when the third motor 52 is started, the fourth threaded rod 51 can be driven to rotate, and when the fourth threaded rod 51 rotates, the sliding block 50 can be driven to slide up and down in the third sliding groove 49, so that the up-down position of the printing charging barrel 2 can be adjusted; the printing cylinder 2 can be directly driven to move back and forth by starting the air cylinder 53, so that the back and forth position of the printing cylinder 2 can be adjusted, and the printing cylinder 2 can be accurately adjusted to various different printing positions under the action of the second motor 48, the third motor 52 and the air cylinder 53.
Claims (3)
1. Fused deposition type 3D printing device capable of printing metal powder, comprising a bottom plate (1), and being characterized in that: the upper end of the bottom plate (1) is provided with a printing charging barrel (2) and an adjusting mechanism, and the adjusting mechanism is used for driving the printing charging barrel (2) to continuously move to different printing positions; a first piston plate (3) is arranged in the printing material cylinder (2), and the first piston plate (3) is in sliding fit with the inner wall of the printing material cylinder (2); the upper end of the printing material cylinder (2) is provided with a first driving mechanism which is used for driving the first piston plate (3) to slide up and down in the printing material cylinder (2) to squeeze printing materials in the printing material cylinder (2); the surface of the first piston plate (3) is provided with a stirring mechanism, and the stirring mechanism is used for automatically stirring printing materials in the printing material cylinder (2) when the first piston plate (3) slides up and down; the printing device is characterized in that a feeding mechanism is arranged on the outer side surface of the printing material cylinder (2), and the feeding mechanism is used for automatically conveying printing materials into the printing material cylinder (2) when the first piston plate (3) slides upwards at the bottommost end position in the printing material cylinder (2);
the stirring mechanism comprises a first conveyor belt (9), and a plurality of stirring rods (10) are connected to the surface of the first conveyor belt (9) in a sliding manner; the surface of the first piston plate (3) is provided with a groove (11) which is penetrated up and down, the first conveyor belt (9) is positioned in the groove (11), and two rotating shafts in the first conveyor belt (9) are both in rotary connection with the first piston plate (3); the surfaces of the upper end and the lower end of the first conveyor belt (9) are respectively in sealing fit with the inner wall of the groove (11); the upper ends of two rotating shafts in the first conveyor belt (9) are fixedly connected with first telescopic rods (12), and the first telescopic rods (12) are rotationally connected with the first piston plate (3); the bottom end of the first rotating frame (7) is provided with a second driving belt (13), two rotating shafts inside the second driving belt (13) are both rotationally connected with the first rotating frame (7), and two rotating shafts inside the second driving belt (13) are respectively and fixedly connected with two first telescopic rods (12); the upper end of the stirring rod (10) is rotationally connected with a second driving belt (13); the surface of the first rotating frame (7) is provided with a second driving mechanism, and the second driving mechanism is used for driving the second driving belt (13) to reciprocate when the first piston plate (3) slides up and down and driving the feeding mechanism to run when the first piston plate (3) moves to the bottommost position in the printing charging barrel (2);
the second driving mechanism comprises two second gears (14), the two second gears (14) are distributed at the left side and the right side of the first rotating frame (7), and the second gears (14) are rotationally connected with the first rotating frame (7); the two second gears (14) are fixedly connected with two rotating shafts inside the second transmission belt (13) respectively; the left side and the right side of the bottom end of the first fixing frame (4) are fixedly connected with first arc racks (15), the front side and the rear side are symmetrically and fixedly connected with second arc racks (16), and the second gears (14) are alternately meshed with the first arc racks (15) and the second arc racks (16); the radius of the second arc-shaped rack (16) is larger than that of the first arc-shaped rack (15), and the number of teeth on the surfaces of the first arc-shaped rack (15) and the second arc-shaped rack (16) is equal;
the feeding mechanism comprises two feeding barrels (17), the two feeding barrels (17) are distributed at the left side and the right side of the printing barrel (2), and paste liquid and metal powder are respectively arranged in the two feeding barrels (17) and the left side and the right side of the printing barrel (2); paste liquid and metal powder are respectively arranged in the feeding cylinders at the left side and the right side; the left and right sides the bottom end parts of the feeding cylinder (17) are communicated with the bottom end part of the printing cylinder (2), a sealing plate (18) is slidably connected to the joint position of the inside of the feeding cylinder (17) and the printing cylinder (2), first sliding rods (19) are fixedly connected to the front side and the rear side of the surface of the sealing plate (18), the first sliding rods (19) are slidably connected with the printing cylinder (2) and the surfaces of the first sliding rods (19) are sleeved with first springs (20), one ends of the first springs (20) are fixedly connected with the printing cylinder (2), and the other ends of the first springs (20) are fixedly connected with the first sliding rods (19); the bottom end position of the middle part in the feeding barrel (17) at the left side is rotationally connected with a second threaded rod (21), a second piston plate (22) is in threaded fit with the surface of the second threaded rod (21), and the second piston plate (22) is in sealing fit with the inner wall of the feeding barrel (17) at the left side; the second threaded rod (21) has self-locking property; the bottom end position of the middle part in the feeding barrel (17) on the right side is fixedly connected with a protective box (23), a first bevel gear (24) and a second bevel gear (25) are respectively and rotatably connected at the upper side position and the left side position in the protective box (23), and the first bevel gear (24) is meshed with the second bevel gear (25); the left end of the second bevel gear (25) is fixedly connected with an auger (26), and the auger (26) is rotationally connected with the feeding barrel (17) on the right side; the upper end positions of the feeding barrels (17) on the left side and the right side are provided with third driving mechanisms, and the third driving mechanisms are used for being in butt joint with the second driving mechanisms when the first piston plate (3) moves to the bottommost end position and are separated from the second driving mechanisms when the first piston plate (3) moves to the topmost end position;
the third driving mechanism comprises two sliding plates (27), the two sliding plates (27) are distributed at the left side and the right side of the upper part of the printing charging barrel (2), and the two sliding plates (27) are both in sliding connection with the printing charging barrel (2) and the first fixing frame (4); a first chute (28) is formed in the inner edge position of the sliding plate (27), and a toothed belt (29) is connected in the first chute (28) in a sliding manner; the parts, close to each other, of the first sliding grooves (28) on the surfaces of the sliding plates (27) on the left side and the right side are arc-shaped, and the bending degree and the radius are consistent with those of the second arc-shaped racks (16); the toothed belt (29) is meshed with the second gear (14); the parts, far away from each other, inside the sliding plates (27) at the left side and the right side are respectively provided with a roller (30), the rollers (30) are rotationally connected with the sliding plates (27), and the rollers (30) are attached to the surfaces of the toothed belts (29); the bottom end of the roller (30) is fixedly connected with a first universal joint (31), the bottom end of the first universal joint (31) is fixedly connected with a second telescopic rod (32), the bottom end of the second telescopic rod (32) is fixedly connected with a second universal joint (33), the bottom end of the second universal joint (33) on the left side is fixedly connected with a second threaded rod (21), and the bottom end of the second universal joint (33) on the right side is fixedly connected with a first bevel gear (24); the upper end surface of the first threaded rod (54) is provided with a fourth driving mechanism for driving the sliding plates (27) on the left and right sides to simultaneously slide to the inward position to a position where the toothed belt (29) is meshed with the second gear (14) when the first threaded rod (54) moves to the bottommost position, and resetting the sliding plates (27) when the first threaded rod (54) moves to the topmost position;
the fourth driving mechanism comprises a rotating rod (34) and two second fixing frames (35), the rotating rod (34) is rotationally connected with the upper end surface of the first threaded rod (54), and the two second fixing frames (35) are fixedly connected with the left side and the right side of the upper end of the printing charging barrel (2); a second sliding rod (36) is connected in a sliding manner in the second fixing frame (35), a connecting rod (37) is connected to the bottom end of the second sliding rod (36) in a rotating manner, and the bottom end of the connecting rod (37) is connected with the sliding plate (27) in a rotating manner; the front side and the rear side of the upper end of the second sliding rod (36) are symmetrically and fixedly connected with fixing rods (38); clamping blocks (39) are symmetrically and fixedly connected to the upper end of the second fixing frame (35) at the front side and the rear side of the fixing rod (38), the clamping blocks (39) are made of elastic metal materials, and the clamping blocks (39) are in clamping fit with the fixing rod (38); baffle plates (40) are symmetrically and fixedly connected to the front end and the rear end of the bottom of the second fixing frame (35); the left end and the right end of the rotating rod (34) are symmetrically and fixedly connected with compression rods (41), the compression rods (41) are attached to the upper end part of the fixed rod (38), the bottom ends of the compression rods (41) are fixedly connected with third telescopic rods (42), the bottom ends of the third telescopic rods (42) are fixedly connected with pull rods (43), the bottom ends of the pull rods (43) are attached to the upper end part of the baffle plate (40), and the upper ends of the pull rods (43) are attached to the bottom end part of the fixed rod (38); and the surfaces of the front end and the rear end of the fixed plate are symmetrically and fixedly connected with a third spring (44), and the other end of the third spring (44) is fixedly connected with the printing charging barrel (2).
2. The fused deposition type 3D printing device capable of printing metal powder according to claim 1, wherein: the first driving mechanism comprises a first fixing frame (4), the first fixing frame (4) is fixedly connected with the printing charging barrel (2), a first motor (5) is fixedly connected with the surface of the upper end of the first fixing frame (4), and a first gear (6) is fixedly connected with the bottom end of an output shaft of the first motor (5); the bottom end of the first fixing frame (4) is rotationally connected with a first rotating frame (7), an outer gear ring (8) is fixedly connected to the surface of the first rotating frame (7), and the outer gear ring (8) is meshed with the first gear (6); a first threaded rod (54) is arranged in the middle position in the first rotating frame (7), the first threaded rod (54) is in sliding connection with the first rotating frame (7), and the first threaded rod (54) is in threaded fit with the first fixing frame (4); the first piston plate (3) is fixedly connected with the bottom end of the first threaded rod (54), and the first threaded rod (54) has self-locking property.
3. The fused deposition type 3D printing device capable of printing metal powder according to claim 1, wherein: the adjusting mechanism comprises a second sliding groove (45), a sliding column (46) is connected in a sliding manner in the second sliding groove (45), a third threaded rod (47) is connected in a rotating manner in the second sliding groove (45), and the third threaded rod (47) is in threaded fit with the sliding column (46); the left end surface of the bottom plate (1) is fixedly connected with a second motor (48), and an output shaft of the second motor (48) is fixedly connected with a third threaded rod (47); a third sliding groove (49) is formed in the sliding column (46), a sliding block (50) is connected in the third sliding groove (49) in a sliding mode, a fourth threaded rod (51) is connected in the third sliding groove (49) in a rotating mode, and the fourth threaded rod (51) is in threaded fit with the sliding block (50); the upper end of the sliding column (46) is fixedly connected with a third motor (52), and the bottom end of an output shaft of the third motor (52) is fixedly connected with a fourth threaded rod (51); the front end of the sliding block (50) is fixedly connected with an air cylinder (53), and the front end of the air cylinder (53) is fixedly connected with the printing charging barrel (2); the third threaded rod (47) and the fourth threaded rod (51) are self-locking.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808182A (en) * | 2019-02-20 | 2019-05-28 | 杭州喜马拉雅信息科技有限公司 | A kind of 3D printer of automatic charging |
| CN209205100U (en) * | 2018-11-28 | 2019-08-06 | 天津中信宝德环保科技股份有限公司 | A kind of metal powder mixing arrangement |
| CN209209778U (en) * | 2018-10-31 | 2019-08-06 | 广东格林诺实业有限公司 | A kind of powder conveyer with automatic charging function |
| CN111346791A (en) * | 2020-04-08 | 2020-06-30 | 镇江晨光焊接设备制造有限公司 | Quantitative material guide mechanism for automatic gluing machine |
| DE102019004342A1 (en) * | 2019-06-23 | 2020-12-24 | Voxeljet Ag | Arrangement of a 3D printing device |
| CN112549548A (en) * | 2020-11-20 | 2021-03-26 | 芜湖英罗智能制造有限公司 | Automatic feeding control system of 3D printer |
| CN213256950U (en) * | 2020-10-19 | 2021-05-25 | 邓州市康硕智能制造有限公司 | Sand mould 3D printer mulling equipment |
| CN213353562U (en) * | 2020-09-23 | 2021-06-04 | 山西增材制造研究院有限公司 | Pigment adding, stirring and mixing device for DLP printer |
| CN113001981A (en) * | 2021-02-23 | 2021-06-22 | 江苏威拉里新材料科技有限公司 | 3D prints and uses material feeding unit |
| CN113199751A (en) * | 2021-04-12 | 2021-08-03 | 福建江夏学院 | Automatic material taking device for 3D printing |
| CN113523310A (en) * | 2021-07-07 | 2021-10-22 | 山东创瑞激光科技有限公司 | Supplementary powder feeding device of two laser printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190134905A1 (en) * | 2017-09-29 | 2019-05-09 | Structur3D Printing Incorporated | Multi-part material mixing and extrusion for three-dimensional (3d) printing |
-
2022
- 2022-03-18 CN CN202210271407.2A patent/CN114619053B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209209778U (en) * | 2018-10-31 | 2019-08-06 | 广东格林诺实业有限公司 | A kind of powder conveyer with automatic charging function |
| CN209205100U (en) * | 2018-11-28 | 2019-08-06 | 天津中信宝德环保科技股份有限公司 | A kind of metal powder mixing arrangement |
| CN109808182A (en) * | 2019-02-20 | 2019-05-28 | 杭州喜马拉雅信息科技有限公司 | A kind of 3D printer of automatic charging |
| DE102019004342A1 (en) * | 2019-06-23 | 2020-12-24 | Voxeljet Ag | Arrangement of a 3D printing device |
| CN111346791A (en) * | 2020-04-08 | 2020-06-30 | 镇江晨光焊接设备制造有限公司 | Quantitative material guide mechanism for automatic gluing machine |
| CN213353562U (en) * | 2020-09-23 | 2021-06-04 | 山西增材制造研究院有限公司 | Pigment adding, stirring and mixing device for DLP printer |
| CN213256950U (en) * | 2020-10-19 | 2021-05-25 | 邓州市康硕智能制造有限公司 | Sand mould 3D printer mulling equipment |
| CN112549548A (en) * | 2020-11-20 | 2021-03-26 | 芜湖英罗智能制造有限公司 | Automatic feeding control system of 3D printer |
| CN113001981A (en) * | 2021-02-23 | 2021-06-22 | 江苏威拉里新材料科技有限公司 | 3D prints and uses material feeding unit |
| CN113199751A (en) * | 2021-04-12 | 2021-08-03 | 福建江夏学院 | Automatic material taking device for 3D printing |
| CN113523310A (en) * | 2021-07-07 | 2021-10-22 | 山东创瑞激光科技有限公司 | Supplementary powder feeding device of two laser printer |
Non-Patent Citations (2)
| Title |
|---|
| 颗粒物进料安全自动控制系统在搅拌站的应用;高丰;《商品混凝土》;43-44 * |
| 骨料自动上料无人值守系统在商品混凝土搅拌楼中的应用;王磊;《建设机械技术与管理》;122-125 * |
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