CN114248442A - Powder cylinder with material level display function for 3D printing equipment - Google Patents

Powder cylinder with material level display function for 3D printing equipment Download PDF

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Publication number
CN114248442A
CN114248442A CN202111602076.8A CN202111602076A CN114248442A CN 114248442 A CN114248442 A CN 114248442A CN 202111602076 A CN202111602076 A CN 202111602076A CN 114248442 A CN114248442 A CN 114248442A
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China
Prior art keywords
rod
powder
sliding
lifting
powder cylinder
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Granted
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CN202111602076.8A
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Chinese (zh)
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CN114248442B (en
Inventor
谢大权
马桂殿
娄浩
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Nanjing Chenglian Laser Technology Co Ltd
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Nanjing Chenglian Laser Technology Co Ltd
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Priority to CN202111602076.8A priority Critical patent/CN114248442B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention provides a powder cylinder with a material level display function for a 3D printing device, belongs to the technical field of powder cylinders for 3D printing devices, and comprises a powder cylinder main body, wherein a material pushing assembly and a material level display structure are arranged in the powder cylinder main body, a fixing assembly is arranged at the lower end of the powder cylinder main body, a lifting structure is arranged at the lower end of the fixing assembly, and fixing structures are arranged on two sides of the lifting structure. The invention solves the problems that in the prior art, a worker cannot directly observe the use condition of powder in the powder cylinder for the 3D printing equipment from the outside, and then cannot prepare for adding the powder into the powder cylinder, and most of the powder cylinder drives are driven by the outside, so that the sealing of the powder cylinder needs to be considered, and the equipment occupies a larger space.

Description

Powder cylinder with material level display function for 3D printing equipment
The technical field is as follows:
the invention belongs to the technical field of powder cylinders for 3D printer equipment, and particularly relates to a powder cylinder for 3D printer equipment with a material level display function.
Background art:
3D printing, one of the rapid prototyping technologies, also known as additive manufacturing, is a technology for constructing an object by using a powder-like bondable material such as metal or plastic and by printing layer by layer based on a digital model file. The powder cylinder is an important component of SLM (selective laser melting) molding in the 3D printing technology and is used for storing materials and feeding.
The staff can't directly observe the in service behavior of the powder in the powder jar for the 3D printing apparatus from the outside among the prior art, and then the unable powder that adds in the powder jar of preparing, and the drive of powder jar all adopts external drive mostly simultaneously to this drive not only need consider the sealed of powder jar, has still occupied the great space of equipment.
The invention content is as follows:
the invention provides a powder cylinder for a 3D printing device with a material level display function, and aims to solve the problems that in the prior art, a worker cannot directly observe the use condition of powder in the powder cylinder for the 3D printing device from the outside, so that the powder cannot be added into the powder cylinder, most of the powder cylinder drives are driven by the outside, the sealing of the powder cylinder needs to be considered, and the equipment occupies a larger space.
The embodiment of the invention provides a powder cylinder with a material level display function for 3D printing equipment, which comprises a powder cylinder main body, wherein a material pushing assembly and a material level display structure are arranged in the powder cylinder main body, a fixing assembly is arranged at the lower end of the powder cylinder main body, a lifting structure is arranged at the lower end of the fixing assembly, and fixing structures are arranged on two sides of the lifting structure.
Through adopting above-mentioned technical scheme, can show the in service behavior of powder through material level display structure, and then the staff of being convenient for can follow the in service behavior of powder in the outside direct observation powder jar main part, so that the staff in time adds the powder toward powder jar main part, push away the material subassembly and establish the inside in powder jar main part simultaneously, and then realize the internal drive of powder jar, and it adopts foldable elevation structure to push away the material subassembly, sealed with this drive need not to consider powder jar main part, the space that the powder jar occupied has also been reduced greatly, and can fix the bottom of powder jar main part through the cooperation of fixed subassembly and lifting structure, lift up powder jar main part simultaneously, so that the installation of powder jar main part.
Further, the edge fixedly connected with flange of powder jar main part oral area, a plurality of connecting holes one, a plurality of have been seted up to flange's avris connecting hole one is the annular and distributes.
By adopting the technical scheme, the mouth part of the powder cylinder main body can be arranged at the corresponding position of the 3D printing equipment through the first connecting hole on the connecting flange.
Further, the material pushing assembly comprises a first sliding chute, a first sliding rod, a first sliding block, a first lifting rod, a first shaft pin, a first shaft rod, a first hydraulic cylinder, a material pushing plate, a second sliding chute, two sliding rods and a second sliding block, wherein the first sliding chute is arranged on the bottom wall inside the powder cylinder main body, the first sliding chute is provided with two sliding chutes, the first sliding rod is fixedly connected to each of the two first sliding chutes, the first sliding block is connected to the surface of each of the two ends of each first sliding rod in a sliding manner, a group of first lifting rods is arranged above each first sliding block in each sliding chute, each group of first lifting rods is provided with a plurality of first lifting rods, the adjacent first lifting rods are distributed in a crossed manner, the middle of the adjacent first lifting rods is connected through one rotation of the shaft pin, one ends of the two first lifting rods are connected through one rotation of the shaft rod, the upper end of each sliding block is connected with one rotation of the shaft rod connected with one end of the adjacent one lifting rod, two intermediate positions opposite to the first shaft lever are connected through two ends of the first hydraulic cylinder, the material pushing plate is slidably mounted inside the powder cylinder main body, a second sliding groove corresponding to the first sliding groove is formed in the lower end of the material pushing plate, a second sliding rod is fixedly connected to the second sliding groove, a second sliding block is slidably connected to the surface of each of two ends of the second sliding rod, and the lower end of the second sliding block is rotationally connected with one shaft lever adjacent to one end of the first lifting rod.
By adopting the technical scheme, the lifting of the first lifting rod is realized through the expansion of the first hydraulic cylinder, so that the powder in the powder cylinder main body is fed, meanwhile, the lifting structure adopts a folding structure, the whole occupied space is small, the pushing assembly adopts a built-in arrangement, and the sealing property of the bottom of the powder cylinder main body is not required to be considered.
Further, the material level display structure comprises a display groove, visible glass, scale marks, a mounting hole and an infrared emitter, wherein the display groove is formed in the side wall of the powder cylinder main body, the visible glass is connected in the display groove in a sealed and seamless mode, the inner circle center and the outer circle center of the visible glass coincide with the inner circle center and the outer circle center of the powder cylinder main body, the scale marks are arranged on the visible glass, the mounting hole is formed in the side of the material pushing plate, the infrared emitter is mounted in the mounting hole, and the infrared emitter is right opposite to the visible glass.
Through adopting above-mentioned technical scheme, infrared emitter goes up and down simultaneously along with the scraping wings to the infrared ray light spot that utilizes infrared emitter to take place shines on the scale mark on visual glass, and then the staff can audio-visually see the material level of powder in the powder jar main part this moment, has realized the material level demonstration of powder jar, so that the staff adds the powder toward in the powder jar.
Further, fixed subassembly includes bottom plate, lead screw one, slider three, arc splint and crank one, set up two translation grooves of symmetry on the bottom plate, the translation inslot is installed lead screw one, two the screw thread soon to opposite, two in the translation inslot lead screw one the surface of translation inslot respectively installs a slider three, the one end fixedly connected with arc splint outside the translation groove is located to slider three, the one end of lead screw one extends to the outside of bottom plate and installs crank one.
Through adopting above-mentioned technical scheme, drive screw rod one through waveing the crank and rotate, the screw rod drives three slides of drive slider, and then three drive arc splint of slider move towards powder jar main part, press from both sides the bottom of powder jar main part tightly through two arc splint.
Further, the lifting structure comprises a shell, a screw rod II, a helical gear I, a helical gear II, a hand crank II, a moving shaft rod, a lifting rod II, an upper chute, an upper sliding block II and a shaft pin II, wherein two inner walls of the shell opposite to each other are respectively and rotatably connected with the screw rod II, the thread turning directions of the two screw rods II are opposite, the other end of the screw rod II is rotatably installed on a supporting seat in the shell, the other end of the screw rod II penetrates through the supporting seat and is connected with the helical gear I, the lateral side of the helical gear I is connected with the helical gear II in a meshed manner, a transmission rod connected with the helical gear II extends to the outer side of the shell and is connected with the hand crank II, the surfaces of the two screw rods II are respectively and rotatably connected with the moving shaft rod, the upper chute is arranged on the lower wall surface of the base plate, the upper chute is provided with two upper sliding blocks which are mutually matched with the upper chute, the upper sliding block is of a T-shaped structure, two groups of second lifting rods are arranged between the upper sliding block and the moving shaft rod, two lifting rods are arranged in each group, two adjacent lifting rods are rotatably connected through second shaft pins, the lower end of the upper sliding block is rotatably connected with one end of the adjacent lifting rod through the same second shaft pin, and two ends of the moving shaft rod are respectively rotatably connected with one end of the adjacent lifting rod.
Through adopting above-mentioned technical scheme, can drive helical gear two rotations through waveing crank two, helical gear two drive helical gear one and rotate, and helical gear one drives two rotations of lead screw, and two messenger's of pivoted lead screw two move the axostylus axostyle relative movement, and then lift the oral area of powder jar main part, and then the quick installation of the powder jar main part oral area of being convenient for.
Further, the fixing structure comprises an L-shaped fixing plate and a second connecting hole, the L-shaped fixing plate is fixed on the outer side of the shell, the two L-shaped fixing plates are symmetrically arranged, and the second connecting hole is formed in the bottom of the L-shaped fixing plate.
Through adopting above-mentioned technical scheme, can install whole powder jar on 3D printing apparatus through connecting hole two on the L type fixed plate.
The invention has the beneficial effects that:
1. according to the powder material cylinder, due to the arrangement of the material level display structure, the infrared emitter on the material level display structure is lifted simultaneously along with the material pushing plate, and infrared light spots generated by the infrared emitter irradiate on scale marks on the visual glass, so that a worker can visually see the material level of powder materials in the powder material cylinder body at the moment, the material level display of the powder material cylinder is realized, and the worker can add the powder materials into the powder material cylinder conveniently.
2. According to the powder feeding device, the lifting of the lifting rod I is realized through the expansion of the hydraulic cylinder I on the pushing assembly through the arrangement of the pushing assembly, so that the powder in the powder cylinder main body is fed, meanwhile, the lifting structure adopts a folding structure, the whole occupied space is small, the pushing assembly is arranged in a built-in mode, and the sealing property of the bottom of the powder cylinder main body is not required to be considered.
3. According to the invention, through the mutual matching of the fixing component and the lifting structure, the handle on the fixing component is shaken to drive the screw rod I to rotate, the screw rod drives the slider III to slide, the slider III drives the arc-shaped clamping plates to move towards the powder cylinder main body, the bottom of the powder cylinder main body is clamped through the two arc-shaped clamping plates, then the handle II is shaken to drive the bevel gear II to rotate, the bevel gear II drives the bevel gear I to rotate, the bevel gear I drives the screw rod II to rotate, the rotating screw rod II enables the two movable shaft rods to move relatively, and further the mouth part of the powder cylinder main body is lifted, so that the quick installation of the mouth part of the powder cylinder main body is facilitated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic main sectional view of an embodiment of the present invention;
FIG. 3 is a schematic backside view of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a main body of a powder cylinder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a lifting structure according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the embodiment of the present invention shown in FIG. 3;
reference numerals: 1. a powder cylinder main body; 2. a material pushing assembly; 3. a material level display structure; 4. a fixing assembly; 5. a lifting structure; 6. a fixed structure; 11. a connecting flange; 12. a first connecting hole; 21. a first sliding chute; 22. a first sliding rod; 23. a first sliding block; 24. a first lifting rod; 25. a first shaft pin; 26. a first shaft lever; 27. a first hydraulic cylinder; 28. a material pushing plate; 29. a second chute; 210. a second sliding rod; 211. a second sliding block; 31. a display slot; 32. a visible glass; 33. scale lines; 34. mounting holes; 35. an infrared emitter; 41. a base plate; 42. a first screw rod; 43. a third sliding block; 44. an arc-shaped splint; 45. c, shaking a hand I; 51. a housing; 52. a second screw rod; 53. a first bevel gear; 54. a second bevel gear; 55. a second hand is shaken; 56. moving the shaft lever; 57. a second lifting rod; 58. an upper chute; 59. an upper slide block; 510. a second shaft pin; 61. an L-shaped fixing plate; 62. and a second connecting hole.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Referring to fig. 1-6, an embodiment of the present invention provides a powder cylinder for a 3D printing apparatus having a material level display function, including a powder cylinder main body 1, a connecting flange 11 is fixedly connected to an edge of an opening portion of the powder cylinder main body 1, a plurality of connecting holes one 12 are formed in a side edge of the connecting flange 11, the plurality of connecting holes one 12 are annularly distributed, the opening portion of the powder cylinder main body 1 can be installed at a corresponding position of the 3D printing apparatus through the connecting holes one 12 on the connecting flange 11, a material pushing assembly 2 and a material level display structure 3 are disposed in the powder cylinder main body 1, the material pushing assembly 2 includes a chute one 21, a slide bar one 22, a slide block one 23, a lifting bar one 24, a shaft pin one 25, a shaft bar one 26, a hydraulic cylinder one 27, a material pushing plate 28, a chute two 29, a slide bar two 210 and a slide block two 211, the chute one 21 is disposed on an inner bottom wall of the powder cylinder main body 1, and the chute one 21 is provided with two chutes, the two sliding chutes I21 are fixedly connected with a sliding rod I22 respectively, the surfaces of two ends of each sliding rod I22 are connected with a sliding block I23 respectively in a sliding manner, a group of lifting rods I24 are arranged above the sliding block I23 in each sliding chute I21 respectively, each group of lifting rods I24 is provided with a plurality of lifting rods I, the adjacent lifting rods I24 are distributed in a crossed manner, the middles of the adjacent lifting rods I24 are rotatably connected through a shaft pin I25, one ends of the two opposite lifting rods I24 are rotatably connected through a shaft rod I26, the upper end of each sliding block I23 is rotatably connected with a shaft rod I26 connected with one end of the adjacent lifting rod I24, the middle positions of the two opposite shaft rod I26 are connected through two ends of a hydraulic cylinder I27, a material pushing plate 28 is slidably installed inside the powder cylinder main body 1, the lower end of the material pushing plate 28 is provided with a sliding chute II 29 corresponding to the sliding chute I21, a sliding rod II 210 is fixedly connected in the sliding chute II 29, and sliding blocks II 211 are slidably connected on the surfaces of two ends of the sliding rod II 210, the lower end of the second sliding block 211 is rotatably connected with a first shaft rod 26 connected with one end of a first adjacent lifting rod 24, the lifting of the first lifting rod 24 is realized through the extension and retraction of a first hydraulic cylinder 27, the loading of powder in the powder cylinder main body 1 is further realized, meanwhile, the lifting structure adopts a folding structure, the whole occupied space is small, the pushing component 2 adopts a built-in arrangement, the sealing property of the bottom of the powder cylinder main body 1 is not required to be considered, the material level display structure 3 comprises a display groove 31, visual glass 32, scale marks 33, mounting holes 34 and an infrared emitter 35, the display groove 31 is arranged on the side wall of the powder cylinder main body 1, the visual glass 32 is hermetically and seamlessly connected in the display groove 31, the inner circle center and the outer circle center of the visual glass 32 are coincided with the inner circle center and the outer circle center of the powder cylinder main body 1, the scale marks 33 are arranged on the visual glass 32, the mounting holes 34 are arranged on the side of the pushing plate 28, install infrared emitter 35 in the mounting hole 34, infrared emitter 35 is just to visual glass 32, and infrared emitter 35 goes up and down along with ejector pad 28 simultaneously to the infrared ray light spot that utilizes infrared emitter 35 to take place shines on scale mark 33 on visual glass 32, and then the material level of powder in the powder jar main part 1 this moment can audio-visually be seen to the staff, has realized the material level display of powder jar, so that the staff adds the powder toward the powder jar.
The lower end of the powder cylinder main body 1 is provided with a fixing component 4, the fixing component 4 comprises a bottom plate 41, a first screw rod 42, a third slider 43, an arc-shaped clamping plate 44 and a first rocking handle 45, two symmetrical translation grooves are formed in the bottom plate 41, the first screw rod 42 is installed in the translation grooves, the surface threads of the first screw rod 42 in the two translation grooves are opposite in rotating direction, the third slider 43 is installed on the surface of the first screw rod 42 in the two translation grooves, the arc-shaped clamping plate 44 is fixedly connected to one end, located on the outer side of the translation grooves, of the third slider 43, the first rocking handle 45 is installed by extending one end of the first screw rod 42 to the outer side of the bottom plate 41, the first screw rod 42 is driven to rotate by rocking handle 45, the third slider 43 is driven by the first screw rod 42 to slide, the third slider 43 drives the arc-shaped clamping plate 44 to move towards the powder cylinder main body 1, the bottom of the powder cylinder main body 1 is clamped by the two arc-shaped clamping plates 44, the lower end of the fixing component 4 is provided with a lifting structure 5, the lifting structure 5 comprises a shell 51, a second screw rod 52, a first bevel gear 53, a second bevel gear 54, a second hand crank 55, a moving shaft 56, a second lifting rod 57, an upper chute 58, a second upper sliding block 59 and a second shaft pin 510, wherein two inner walls of the shell 51 opposite to each other are respectively connected with the second screw rod 52 in a rotating way, the thread rotating directions of the two second screw rods 52 are opposite, the other end of the second screw rod 52 is rotatably installed on a supporting seat in the shell 51, the other end of the second screw rod 52 penetrates through the supporting seat and is connected with the first bevel gear 53, the second bevel gear 54 is meshed and connected with the side edge of the first bevel gear 53, a transmission rod connected to the second bevel gear 54 extends to the outer side of the shell 51 and is connected with the second hand crank 55, the surfaces of the two second screw rods 52 are respectively connected with the moving shaft 56 in a rotating way, the upper chute 58 is arranged on the lower wall surface of the bottom plate 41, the two upper chute 58 are arranged in each upper chute 58, the upper chute 58 is respectively connected with the two upper sliding blocks 59 mutually matched with the upper chute 58 in a sliding way, the upper sliding block 59 is of a T-shaped structure, two groups of lifting rods two 57 are arranged between the upper sliding block 59 and the moving shaft rod 56, two lifting rods two 57 in each group are arranged, two adjacent lifting rods two 57 are rotatably connected through a shaft pin two 510, the lower end of the upper sliding block 59 is rotatably connected with one end of the adjacent lifting rod two 57 through the same shaft pin two 510, two ends of the moving shaft rod 56 are rotatably connected with one end of the adjacent lifting rod two 57 respectively, the bevel gear two 54 can be driven to rotate by shaking the shaking handle two 55, the bevel gear two 54 drives the bevel gear one 53 to rotate, the bevel gear one 53 drives the screw rod two 52 to rotate, the rotating screw rod two 52 enables the two moving shaft rods 56 to move relatively, the mouth part of the powder cylinder body 1 is lifted, and the quick installation of the mouth part of the powder cylinder body 1 is facilitated.
Two sides of the lifting structure 5 are provided with fixing structures 6, each fixing structure 6 comprises an L-shaped fixing plate 61 and two connecting holes 62, the L-shaped fixing plates 61 are fixed on the outer side of the shell 51, the two L-shaped fixing plates 61 are symmetrically arranged, the two connecting holes 62 are formed in the bottoms of the L-shaped fixing plates 61, and the whole powder cylinder can be installed on the 3D printing equipment through the two connecting holes 62 in the L-shaped fixing plates 61.
The implementation mode is specifically as follows: when the powder cylinder is used, corresponding supporting plates are welded at corresponding positions on 3D printing equipment, bolts penetrate through the connecting holes two 62 in the L-shaped fixing plate 61 to be fixed with the supporting plates, the lifting structure 5 is just opposite to the right lower part of the powder cylinder mounting opening, the powder cylinder main body 1 is placed between the arc-shaped clamping plates 44, the rocking hand one 45 is shaken to drive the screw rod one 42 to rotate, the screw rod one 42 drives the sliding block three 43 to slide, the sliding block three 43 drives the arc-shaped clamping plates 44 to move towards the powder cylinder main body 1, the bottom of the powder cylinder main body 1 is clamped through the two arc-shaped clamping plates 44, the rocking hand two 55 is shaken to drive the bevel wheel two 54 to rotate, the bevel wheel two 54 drives the bevel wheel one 53 to rotate, the bevel wheel one 53 drives the screw rod two 52 to rotate, the rotating screw rod two 52 enables the two moving shaft rods 56 to move relatively, the mouth part of the powder cylinder main body 1 is lifted, and the mouth part of the powder cylinder main body 1 extends into the powder cylinder mounting opening of the 3D printing equipment, then, a bolt passes through a connecting hole I12 on a connecting flange 11 to be fixed with the 3D printing equipment, so as to realize the quick installation of the opening part of the powder cylinder main body 1, when feeding, the first hydraulic cylinder 27 is contracted, the first lifting rod 24 is lifted by the first hydraulic cylinder 27, the first lifting rod 24 lifts the material pushing plate 28, the feeding of the powder cylinder is realized, the lifting in the material pushing assembly 2 adopts a folding structure, the whole occupied space is small, the material pushing assembly 2 adopts a built-in arrangement, furthermore, the tightness of the bottom of the powder cylinder body 1 is not required to be considered, and the infrared emitter 35 is lifted and lowered simultaneously along with the material pushing plate 28, and the infrared ray spot generated by the infrared ray emitter 35 is irradiated on the scale mark 33 on the visual glass 32, and then the staff can directly perceivedly see the material level of the powder in the powder cylinder main body 1 at this moment, the material level display of the powder cylinder is realized, so that the staff can add the powder into the powder cylinder.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a powder jar for 3D printing apparatus with material level display function, includes powder jar main part (1), its characterized in that, be provided with in powder jar main part (1) and push away material subassembly (2) and material level display structure (3), the lower extreme of powder jar main part (1) is provided with fixed subassembly (4), the lower extreme of fixed subassembly (4) is provided with lifting structure (5), the both sides of lifting structure (5) are provided with fixed knot constructs (6).
2. The powder cylinder with the material level display function for the 3D printing equipment as claimed in claim 1, wherein a connecting flange (11) is fixedly connected to the edge of the opening of the powder cylinder body (1), a plurality of first connecting holes (12) are formed in the side of the connecting flange (11), and the first connecting holes (12) are distributed annularly.
3. The powder cylinder with the material level display function for the 3D printing equipment is characterized in that the material pushing assembly (2) comprises a first sliding groove (21), a first sliding rod (22), a first sliding block (23), a first lifting rod (24), a first shaft pin (25), a first shaft rod (26), a first hydraulic cylinder (27), a material pushing plate (28), a second sliding groove (29), a second sliding rod (210) and a second sliding block (211), wherein the first sliding groove (21) is formed in the inner bottom wall of the powder cylinder main body (1), the first sliding groove (21) is provided with two sliding grooves, the first sliding rod (22) is fixedly connected to each of the two first sliding grooves (21), the first sliding block (23) is slidably connected to the surface of each of the two ends of the first sliding rod (22), and a group of first lifting rods (24) is arranged above the first sliding block (23) in each sliding groove (21), each group of the first lifting rods (24) is provided with a plurality of first lifting rods (24), the adjacent first lifting rods (24) are distributed in a crossed manner, the middles of the adjacent first lifting rods (24) are rotationally connected through a first shaft pin (25), one ends of the two opposite first lifting rods (24) are rotationally connected through a first shaft rod (26), the upper end of a first sliding block (23) is rotationally connected with the first shaft rod (26) connected with one end of the adjacent first lifting rod (24), the middle positions of the two opposite first shaft rods (26) are connected through two ends of a first hydraulic cylinder (27), a material pushing plate (28) is slidably installed inside the powder cylinder main body (1), the lower end of the material pushing plate (28) is provided with a second sliding groove (29) corresponding to the first sliding groove (21), a second sliding rod (210) is fixedly connected in the second sliding groove (29), and the surfaces of the two ends of the second sliding rod (210) are slidably connected with a second sliding block (211), the lower end of the second sliding block (211) is rotatably connected with a first shaft rod (26) connected with one end of the adjacent first lifting rod (24).
4. The powder cylinder for a 3D printing apparatus having a material level display function according to claim 3, it is characterized in that the material level display structure (3) comprises a display groove (31), a visual glass (32), scale marks (33), a mounting hole (34) and an infrared emitter (35), the display groove (31) is arranged on the side wall of the powder cylinder main body (1), the display groove (31) is connected with visible glass (32) in a sealing and seamless manner, the inner circle center and the outer circle center of the visual glass (32) are superposed with the inner circle center and the outer circle center of the powder cylinder main body (1), the visible glass (32) is provided with scale marks (33), the mounting hole (34) is arranged at the side of the material pushing plate (28), an infrared emitter (35) is installed in the installation hole (34), and the infrared emitter (35) is over against the visible glass (32).
5. The powder cylinder with the material level display function for the 3D printing equipment according to claim 4, wherein the fixing assembly (4) comprises a base plate (41), a first screw rod (42), a third slider (43), an arc-shaped clamping plate (44) and a first shaking handle (45), two symmetrical translation grooves are formed in the base plate (41), the first screw rod (42) is installed in each translation groove, the rotation direction of the surface threads of the first screw rod (42) in each translation groove is opposite, the three slider (43) is installed on the surface of the first screw rod (42) in each translation groove, the three slider (43) is located at one end of the outer side of each translation groove and fixedly connected with the arc-shaped clamping plate (44), and one end of the first screw rod (42) extends to the outer side of the base plate (41) and is provided with the first shaking handle (45).
6. The powder cylinder with the material level display function for the 3D printing equipment according to claim 5, wherein the lifting structure (5) comprises a shell (51), a second screw rod (52), a first bevel gear (53), a second bevel gear (54), a second hand crank (55), a movable shaft rod (56), a second lifting rod (57), an upper chute (58), an upper sliding block (59) and a second shaft pin (510), two inner walls of the shell (51) opposite to each other are respectively and rotatably connected with the second screw rod (52), the thread turning directions of the two second screw rods (52) are opposite, the other end of the second screw rod (52) is rotatably installed on a supporting seat in the shell (51), the other end of the second screw rod (52) penetrates through the supporting seat and is connected with the first bevel gear (53), the side of the first bevel gear (53) is meshed with the second bevel gear (54), and a transmission rod connected to the second bevel gear (54) extends to the outer side of the shell (51) and is connected with the second hand crank (55) ) The surfaces of the two second screw rods (52) are respectively connected with a movable shaft lever (56) in a threaded manner, the upper sliding chutes (58) are arranged on the lower wall surface of the bottom plate (41), two upper sliding chutes (58) are arranged, two upper sliding blocks (59) which are matched with the upper sliding chutes (58) are respectively connected in each upper sliding chute (58) in a sliding manner, the upper sliding block (59) is of a T-shaped structure, two groups of second lifting rods (57) are arranged between the upper sliding block (59) and the moving shaft rod (56), two lifting rods (57) are arranged in each group, two adjacent lifting rods (57) are rotatably connected through a second shaft pin (510), the lower end of the upper sliding block (59) is rotatably connected with one end of the adjacent second lifting rod (57) through the same second shaft pin (510), and two ends of the movable shaft lever (56) are respectively and rotatably connected with one end of the second lifting lever (57) adjacent to the movable shaft lever.
7. The powder cylinder with the material level display function for the 3D printing equipment is characterized in that the fixing structure (6) comprises an L-shaped fixing plate (61) and a second connecting hole (62), the L-shaped fixing plate (61) is fixed on the outer side of the shell (51), the two L-shaped fixing plates (61) are symmetrically arranged, and the second connecting hole (62) is arranged at the bottom of the L-shaped fixing plate (61).
CN202111602076.8A 2021-12-24 2021-12-24 Powder jar for 3D printing apparatus with material level display function Active CN114248442B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105579220A (en) * 2013-07-17 2016-05-11 马克弗盖德公司 Apparatus for fiber reinforced additive manufacturing
CN108044939A (en) * 2017-12-28 2018-05-18 网云（武汉）三维科技股份有限公司 One kind is used based on the adhered 3D printing equipment of three-dimensional powder for material cylinder
CN208555969U (en) * 2018-06-29 2019-03-01 西安铂力特增材技术股份有限公司 3D printing equipment powder cylinder jacking system
CN210911187U (en) * 2019-10-31 2020-07-03 河北庄水科技有限公司 3D prints former with material jar that has quantitative blanking function
CN212739735U (en) * 2020-08-09 2021-03-19 青岛宏源泰机械有限公司 Pneumatic ejection jar multistation liftout structure
CN112916881A (en) * 2021-01-21 2021-06-08 宁波大学 Device for reducing molding volume of large-size 3D printing equipment
WO2021212665A1 (en) * 2020-04-23 2021-10-28 广东工业大学 Ultrasonic additive manufacturing apparatus and method therefor
CN214872713U (en) * 2020-12-14 2021-11-26 天津市先锋三维科技有限公司 3D printing apparatus powder jar jacking device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105579220A (en) * 2013-07-17 2016-05-11 马克弗盖德公司 Apparatus for fiber reinforced additive manufacturing
CN108044939A (en) * 2017-12-28 2018-05-18 网云（武汉）三维科技股份有限公司 One kind is used based on the adhered 3D printing equipment of three-dimensional powder for material cylinder
CN208555969U (en) * 2018-06-29 2019-03-01 西安铂力特增材技术股份有限公司 3D printing equipment powder cylinder jacking system
CN210911187U (en) * 2019-10-31 2020-07-03 河北庄水科技有限公司 3D prints former with material jar that has quantitative blanking function
WO2021212665A1 (en) * 2020-04-23 2021-10-28 广东工业大学 Ultrasonic additive manufacturing apparatus and method therefor
CN212739735U (en) * 2020-08-09 2021-03-19 青岛宏源泰机械有限公司 Pneumatic ejection jar multistation liftout structure
CN214872713U (en) * 2020-12-14 2021-11-26 天津市先锋三维科技有限公司 3D printing apparatus powder jar jacking device
CN112916881A (en) * 2021-01-21 2021-06-08 宁波大学 Device for reducing molding volume of large-size 3D printing equipment

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