CN113266675A - Material box sealing structure, material box and printing device - Google Patents

Material box sealing structure, material box and printing device Download PDF

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Publication number
CN113266675A
CN113266675A CN202110439287.8A CN202110439287A CN113266675A CN 113266675 A CN113266675 A CN 113266675A CN 202110439287 A CN202110439287 A CN 202110439287A CN 113266675 A CN113266675 A CN 113266675A
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CN
China
Prior art keywords
bin
lifting seat
elastic sheet
material box
sealing structure
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Granted
Application number
CN202110439287.8A
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Chinese (zh)
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CN113266675B (en
Inventor
李国虎
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Guangdong Layer Technology Development Co ltd
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Guangdong Layer Technology Development Co ltd
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Priority to CN202110439287.8A priority Critical patent/CN113266675B/en
Publication of CN113266675A publication Critical patent/CN113266675A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/003—Apparatus, e.g. furnaces
    • 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
    • B29C64/30—Auxiliary operations or equipment
    • 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
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/184—Tightening mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Making Paper Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

The invention discloses a sealing structure of a material box, which comprises a plurality of corner blocks arranged at the corners of the inner side of the material box and a plurality of elastic sheets arranged among the corner blocks, wherein each elastic sheet comprises an installation part and an abutting part which is connected with the installation part and is bent upwards; a plurality of corner blocks and the elastic sheet form a closed loop structure, so that the periphery of the inner side of the material box is sealed. According to the bin sealing structure, the periphery of the inner side of the bin can be sealed through the closed loop structure formed between the corner blocks and the elastic sheets, so that materials are prevented from falling from gaps. In addition, the bin sealing structure is simple in structure, convenient to maintain and replace and low in cost. In addition, the invention also provides a bin with the bin sealing structure and a printing device.

Description

Material box sealing structure, material box and printing device
Technical Field
The invention relates to the field of 3D printing, in particular to a material box sealing structure, a material box and a printing device.
Background
3D printing, a type of rapid prototyping technology, also known as additive manufacturing, is a technology that constructs an object by printing layer by layer using an adhesive material, such as powdered metal or plastic, based on a digital model file. The technology is characterized in that the technology can produce articles in any shape, and is currently the leading research field in the world and the country.
Among the current 3D printing device, the inside printing material of workbin drops from the workbin is inboard gap all around easily, leads to the equipment bottom to pile up the material, and is difficult to clean, and then causes the damage of equipment, seriously influences the operation and the life-span of equipment.
For this reason, a sealing structure needs to be provided to the inside of the hopper to prevent the printing material from falling. However, most of the existing sealing structures adopt sealing strips for sealing, so that the structure is complex, and the maintenance and replacement cost is high. In addition, the sealing strip laminating too loose then has the material to drop from the lateral wall gap, and the laminating too tight then leads to printing the bottom plate and is difficult to lean on the dead weight whereabouts at the printing in-process, needs to increase the mechanism and holds printing the bottom plate, has not only increased equipment cost, and has increased the factor that influences equipment reliability.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a material box sealing structure, a material box and a printing device.
The technical scheme adopted by the invention for solving the problems is as follows:
the invention provides a bin sealing structure, which comprises a plurality of corner blocks arranged at corners inside a bin and a plurality of first elastic sheets arranged between the corner blocks, wherein:
the first elastic sheet comprises an installation part and an abutting part which is connected with the installation part and is bent upwards, and the abutting part is used for abutting against the inner side wall of the feed box;
a plurality of the corner blocks and the first elastic sheet form a closed loop structure, so that the periphery of the inner side of the material box is sealed.
According to the bin sealing structure, the periphery of the inner side of the bin can be sealed through the closed loop structure formed between the corner blocks and the first elastic sheet, so that materials are prevented from falling from gaps. Secondly, the first elastic sheet is used for sealing, and the friction force between the first elastic sheet and the inner side wall of the material box is small, so that the bottom plate of the material box can fall under the dead weight in the printing process, and a mechanism is not required to be added to pull the bottom plate of the material box; finally, the bin sealing structure is simple in structure, convenient to maintain and replace and low in cost.
Further, still including setting up a plurality of the slat between the corner piece, the installation department of first shell fragment is installed on the slat.
From this, can drive first shell fragment through removing the slat and remove, butt portion and workbin inside wall looks butt up to first shell fragment to realize the sealed of workbin inside wall.
Furthermore, waist-shaped mounting holes used for being mounted on a bottom plate of the material box are formed in the corner blocks and the ribbon boards.
From this, after removing corner piece and slat until suitable position, twist the retaining member towards waist shape mounting hole and can realize the fixed of corner piece and slat.
Furthermore, the elastic spring plate fixing device further comprises a pressing plate used for pressing the first spring plate mounting part and connected with the strip plate, and elastic foaming materials are filled between the pressing plate and the spring plate abutting part.
From this, through filling elasticity expanded material between clamp plate and first shell fragment butt portion, the printing material will drop on elasticity expanded material but not in the gap between clamp plate and the first shell fragment butt portion to guarantee the elasticity compression stroke between first shell fragment butt portion and the clamp plate.
In addition, the invention also provides a bin, which comprises a box body, a bin bottom plate arranged in the box body in a sliding mode, and the bin sealing structure arranged on the bin bottom plate.
In addition, the third aspect of the present invention further provides a printing apparatus, including the above-mentioned bin and a lifting mechanism for driving the bottom plate of the bin to move up and down, wherein:
the lifting mechanism comprises a base, a guide rail arranged on the base, a lifting seat and a driving mechanism for driving the lifting seat to slide along the guide rail in a lifting way;
under the action of the driving mechanism, the lifting seat slides and is abutted against the bottom plate of the material box, so that the bottom plate of the material box is driven to move up and down.
Further, still including setting up the lift seat outside and be used for receiving the cavity of waste material, the cavity towards the inside wall of lift seat one side with the outside wall of lift seat is hugged closely.
Therefore, the cavity is arranged outside the lifting seat, and after the printing material carelessly falls from the gap on the inner side of the material box, the printing material falls into the cavity, so that the double protection effect is achieved.
Further, the cavity comprises sliding chutes arranged on the front side and the rear side of the lifting seat and waste hoppers arranged on the left side and the right side of the lifting seat, and the sliding chutes are communicated with the waste hoppers.
From this, when printing material drops in the spout, it will slide along the spout and finally drop to the waste material fill in, only need dismantle the waste material fill at last clear away can.
Further, still including setting up the waste bin outside and supporting by the second shell fragment of waste bin lateral wall under the spring action of second shell fragment, can drive the waste bin towards the inside wall of lift seat one side with the lateral wall of lift seat is hugged closely.
Furthermore, the driving mechanism comprises a driving device, a screw rod arranged on the base and connected with the movable end of the driving device, and a nut seat arranged on the screw rod in a sliding manner; the nut seat is connected with the lifting seat.
In summary, the bin sealing structure, the bin and the printing device provided by the invention have the following beneficial effects:
(1) according to the bin sealing structure, the periphery of the inner side of the bin can be sealed through the closed loop structure formed between the corner blocks and the first elastic sheet, so that materials are prevented from falling from gaps. Secondly, the first elastic sheet is used for sealing, and the friction force between the first elastic sheet and the inner side wall of the material box is small, so that the bottom plate of the material box can fall under the dead weight in the printing process, and a mechanism is not required to be added to pull the bottom plate of the material box; finally, the bin sealing structure is simple in structure, convenient to maintain and replace and low in cost.
(2) According to the bin sealing structure, after the corner block and the strip plate are moved to the proper positions, the locking piece is screwed into the waist-shaped mounting hole to fix the corner block and the strip plate, and the abutting part of the first elastic sheet abuts against the inner side wall of the bin, so that the inner side wall of the bin is sealed.
(3) According to the bin sealing structure, the elastic foaming material is filled between the pressing plate and the abutting part of the first elastic sheet, so that the printing material falls on the elastic foaming material instead of a gap between the pressing plate and the abutting part of the first elastic sheet, and the elastic compression stroke between the abutting part of the first elastic sheet and the pressing plate is ensured.
(4) According to the printing device, the cavity is arranged on the outer side of the lifting seat, so that when the printing material carelessly falls from the gap on the inner side of the material box, the printing material falls into the cavity, and a double-protection effect is achieved.
Drawings
FIG. 1 is a schematic structural view of a bin sealing structure according to the invention;
FIG. 2 is a schematic structural view of FIG. 1 with the pressing plate hidden;
FIG. 3 is a schematic structural view of FIG. 2 with the spring plate hidden;
FIG. 4 is a schematic cross-sectional view of FIG. 1;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a schematic structural view of the bin body of the present invention with a side panel hidden;
FIG. 7 is a schematic diagram of a printing apparatus according to the present invention;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7;
FIG. 9 is a schematic view of the structure of FIG. 8 from another perspective;
fig. 10 is a schematic structural view of fig. 9 with the lifting base hidden.
Wherein the reference numerals have the following meanings:
1. a corner block; 11. corner block mounting holes; 2. a first spring plate; 21. an installation part; 211. a spring plate mounting hole; 22. an abutting portion; 3. laths; 31. mounting holes for the battens; 4. pressing a plate; 41. a press plate mounting hole; 5. a box body; 6. a material box bottom plate; 71. a base; 72. a guide rail; 73. a lifting seat; 731. a slider; 741. a drive device; 742. a screw rod; 743. a nut seat; 751. a first synchronizing wheel; 752. a second synchronizing wheel; 753. a synchronous belt; 761. a first travel switch; 762. a second travel switch; 81. a chute; 82. a waste hopper; 83. a second elastic sheet; 9. an elastic foam material.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 1-5, the invention firstly provides a sealing structure of a material box, which comprises a plurality of corner blocks 1 arranged at the corners of the inner side of the material box and a plurality of first elastic pieces 2 arranged among the corner blocks 1, wherein each first elastic piece 2 comprises an installation part 21 and an abutting part 22 which is connected with the installation part 21 and is bent upwards, and the abutting part 22 is used for abutting against the inner side wall of the material box; a plurality of corner blocks 1 and the first elastic sheet 2 form a closed loop structure, so that the periphery of the inner side of the material box is sealed.
In this embodiment, the first elastic sheet 2 is a bent elastic sheet, one bent surface thereof forms the mounting portion 21, and the other bent surface thereof forms the abutting portion; the first elastic sheet 2 is made of stainless steel.
Therefore, the periphery of the inner side of the material box can be sealed through a closed loop structure formed between the corner blocks 1 and the first elastic sheet 2, so that the material is prevented from falling from gaps; secondly, the first elastic sheet 2 is used for sealing, and the friction force between the first elastic sheet and the inner side wall of the material box is small, so that the material box bottom plate 6 can fall under the dead weight in the printing process, and a mechanism is not required to be added to pull the material box bottom plate 6; finally, the bin sealing structure is simple in structure, convenient to maintain and replace and low in cost.
Specifically, this workbin seal structure still includes a plurality of laths 3 of setting between a plurality of hornblocks 1, and the installation department 21 of this first shell fragment 2 is installed on lath 3. In addition, the elastic spring plate further comprises a pressing plate 4 which is used for pressing the mounting part 21 of the first spring plate 2 and is connected with the batten 3, and elastic foaming materials 9 are filled between the pressing plate 4 and the abutting part 22 of the first spring plate 2.
In this embodiment, the mounting portion 21 of the first elastic sheet 2 is provided with an elastic sheet mounting hole 211, the corresponding position on the pressing plate 4 is provided with a pressing plate mounting hole 41, and the fixing among the first elastic sheet 2, the pressing plate 4 and the slat 3 can be realized by screwing the locking member into the elastic sheet mounting hole 211 and the pressing plate mounting hole 41.
From this, can drive first shell fragment 2 through removing the slat 3 and remove, butt portion 22 and workbin inside wall looks butt up to first shell fragment 2 to realize the sealed of workbin inside wall. By filling the elastic foaming material 9 between the pressing plate 4 and the abutting part 22 of the first elastic sheet 2, the printing material falls on the elastic foaming material 9 instead of in the gap between the pressing plate 4 and the abutting part 22 of the first elastic sheet 2, so that the elastic compression stroke between the abutting part 22 of the first elastic sheet 2 and the pressing plate 4 is ensured.
In addition, the corner block 1 is also provided with a corner block mounting hole 11, the slat 3 is provided with a slat mounting hole 31, and the corner block mounting hole 11 and the slat mounting hole 31 are both kidney-shaped holes.
From this, after removing corner block 1 and slat 3 and up to suitable position, twist the retaining member toward waist shape downthehole can realize corner block 1 and slat 3's fixed.
Example two
Referring to fig. 6, the second aspect of the present invention further provides a bin, which comprises a box body 5, a bin bottom plate 6 slidably disposed in the box body 5, and the above bin sealing structure disposed on the bin bottom plate 6.
Specifically, the box body 5 is composed of a front side plate, a rear side plate, a left side plate and a right side plate. Wherein, the front side plate, the rear side plate, the left side plate and the right side plate are connected to form a rectangular frame.
Therefore, the bin sealing structure is arranged on the bin bottom plate 6, the periphery of the inner side of the bin can be sealed, and therefore materials are prevented from falling from the gap.
EXAMPLE III
Referring to fig. 7-10, the third aspect of the present invention further provides a printing apparatus, including the bin of the second aspect, and a lifting mechanism for driving the bottom plate 6 of the bin to move up and down, where the lifting mechanism includes a base 71, a guide rail 72 disposed on both sides of the base 71, a lifting base 73, and a driving mechanism for driving the lifting base 73 to slide up and down along the guide rail 72.
In the present embodiment, the base 71 and the lifting seat 73 are rectangular frames, and the lifting seat 73 completely surrounds the base 71.
Specifically, the driving mechanism includes a driving device 741, a lead screw 742 disposed on the base 71, a nut seat 743 slidably disposed on the lead screw 742, and a pulley transmission mechanism disposed between the driving device 741 and the lead screw 742; the nut seat 743 is connected with the lifting seat 73; the lifting base 73 is provided with a slider 731 adapted to the guide rail 72. The belt pulley transmission mechanism includes a first synchronizing wheel 751 connected to a movable end of a driving device 741, a second synchronizing wheel 752 connected to an output end of a screw rod 742, and a synchronizing belt 753 wound around the first synchronizing wheel 751 and the second synchronizing wheel 752 and driven with each other.
Therefore, under the driving of the driving device 741, the belt pulley transmission mechanism drives the screw rod 742 to rotate, and further drives the nut seat 743 on the screw rod 742 to move along the axis direction of the screw rod 742, so as to drive the lifting seat 73 to slide up and down and abut against the bottom plate 6 of the material box, and further drive the bottom plate 6 of the material box to move up and down, so that the material box reaches a desired position, and further improve the printing precision of the device.
In this embodiment, the printing apparatus further includes a first stroke switch 761 and a second stroke switch 762 having different heights and located outside the lifting base 73. By arranging the first travel switch 761 and the second travel switch 762, the lifting height of the lifting seat 73 can be controlled, so that the bin bottom plate 6 can reach the corresponding position. The driving device 741 is a servo motor.
Referring to fig. 7-10, the printing apparatus further includes a cavity disposed outside the lifting seat 73 and used for receiving the waste material, and an inner sidewall of the cavity facing to the lifting seat 73 is closely attached to an outer sidewall of the lifting seat 73.
Specifically, the cavity comprises a chute 81 arranged at the front side and the rear side of the lifting seat 73 and a waste hopper 82 arranged at the left side and the right side of the lifting seat 73, wherein the inner side wall of the chute 81 facing to one side of the lifting seat 73 is closely attached to the outer side wall of the front side and the rear side of the lifting seat 73; the inner side wall of the waste hopper 82 facing the lifting seat 73 is closely attached to the outer side walls of the left and right sides of the lifting seat 73; the chute 81 communicates with a waste hopper 82.
Therefore, by arranging the cavity outside the lifting seat 73, after the printing material carelessly falls from the gap on the inner side of the material box, the printing material falls into the cavity, and thus the double protection effect is achieved. When the printing material drops in the chute 81, it will slide along the chute 81 and eventually drop into the waste hopper 82, and finally only the waste hopper 82 needs to be detached for removal.
In addition, the device also comprises a second elastic sheet 83 which is arranged outside the waste hopper 82 and is abutted against the outer side wall of the waste hopper 82, and under the elastic force action of the second elastic sheet 83, the inner side wall of the waste hopper 82 facing one side of the lifting seat 73 can be driven to be tightly attached to the outer side wall of the lifting seat 73.
In this embodiment, the second resilient piece 83 is U-shaped, so as to facilitate the sliding in and out of the waste bin 82.
In summary, the bin sealing structure, the bin and the printing device provided by the invention have the following beneficial effects:
according to the bin sealing structure, the periphery of the inner side of a bin can be sealed through a closed loop structure formed between the corner blocks 1 and the first elastic sheets 2, so that materials are prevented from falling from gaps; secondly, the first elastic sheet 2 is used for sealing, and the friction force between the first elastic sheet and the inner side wall of the material box is small, so that the material box bottom plate 6 can fall under the dead weight in the printing process, and a mechanism is not required to be added to pull the material box bottom plate 6; finally, the bin sealing structure is simple in structure, convenient to maintain and replace and low in cost.
According to the bin sealing structure disclosed by the invention, after the corner block 1 and the strip plate 3 are moved to proper positions, the locking piece is screwed into the waist-shaped mounting hole to fix the corner block 1 and the strip plate 3, and the abutting part 22 of the first elastic sheet 2 abuts against the inner side wall of a bin, so that the inner side wall of the bin is sealed.
Third, according to the bin sealing structure of the invention, the elastic foaming material 9 is filled between the pressing plate 4 and the abutting part 22 of the first elastic sheet 2, so that the printing material falls on the elastic foaming material 9 instead of a gap between the pressing plate 4 and the abutting part 22 of the first elastic sheet 2, and the elastic compression stroke between the abutting part 22 of the first elastic sheet 2 and the pressing plate 4 is ensured.
In the printing device, the cavity is arranged on the outer side of the lifting seat 73, so that the printing material falls into the cavity after falling from the gap on the inner side of the material box carelessly, and the double protection effect is achieved.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (10)

1. The utility model provides a workbin seal structure, its characterized in that, is including being used for setting up a plurality of hornblocks (1) and setting up a plurality of first shell fragment (2) between horn block (1) in the inboard corner department of workbin, wherein:
the first elastic sheet (2) comprises an installation part (21) and an abutting part (22) which is connected with the installation part (21) and is bent upwards, and the abutting part (22) is used for abutting against the inner side wall of the feed box;
a plurality of the corner blocks (1) and the first elastic sheet (2) form a closed loop structure, so that the periphery of the inner side of the material box is sealed.
2. The bin sealing structure according to claim 1, further comprising a plurality of strips (3) disposed between the plurality of corner blocks (1), wherein the mounting portion (21) of the first resilient tab (2) is mounted on the strips (3).
3. The bin sealing structure according to claim 2, characterized in that a plurality of said corner blocks (1) and strips (3) are provided with kidney-shaped mounting holes for mounting on the bin floor (6).
4. The bin sealing structure according to claim 2, further comprising a pressing plate (4) used for pressing the mounting portion (21) of the first elastic sheet (2) and connected with the strip plate (3), wherein an elastic foaming material (9) is filled between the pressing plate (4) and the abutting portion (22) of the first elastic sheet (2).
5. A bin, comprising a bin (5), a bin floor (6) slidably arranged within the bin (5), and a bin seal structure according to any one of claims 1-4 arranged on the bin floor (6).
6. Printing device, comprising a magazine according to claim 5 and a lifting mechanism for driving the magazine floor (6) up and down, wherein:
the lifting mechanism comprises a base (71), a guide rail (72) arranged on the base (71), a lifting seat (73) and a driving mechanism for driving the lifting seat (73) to lift and slide along the guide rail (72);
under the action of the driving mechanism, the lifting seat (73) slides and is abutted against the material box bottom plate (6), so that the material box bottom plate (6) is driven to move up and down.
7. The printing device according to claim 6, further comprising a cavity disposed outside the lifting seat (73) and used for receiving waste materials, wherein an inner side wall of the cavity facing to one side of the lifting seat (73) is closely attached to an outer side wall of the lifting seat (73).
8. The printing apparatus according to claim 7, wherein the chamber includes a chute (81) provided on the front and rear sides of the elevating base (73) and a waste hopper (82) provided on the left and right sides of the elevating base (73), the chute (81) communicating with the waste hopper (82).
9. The printing device according to claim 8, further comprising a second elastic sheet (83) disposed outside the waste hopper (82) and abutting against the outer side wall of the waste hopper (82), wherein under the elastic force of the second elastic sheet (83), the inner side wall of the waste hopper (82) facing one side of the lifting seat (73) can be driven to be tightly attached to the outer side wall of the lifting seat (73).
10. The printing device according to claim 6, wherein the driving mechanism comprises a driving device (741), a lead screw (742) disposed on the base (71) and connected to a movable end of the driving device (741), and a nut seat (743) slidably disposed on the lead screw (742); the nut seat (743) is connected with the lifting seat (73).
CN202110439287.8A 2021-04-23 2021-04-23 Printing device Active CN113266675B (en)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
US20190193155A1 (en) * 2017-12-21 2019-06-27 Arcam Ab Seal and a build tank
CN111169003A (en) * 2020-01-16 2020-05-19 共享智能铸造产业创新中心有限公司 3D printing equipment
CN111515339A (en) * 2020-01-16 2020-08-11 共享智能铸造产业创新中心有限公司 3DP printing equipment
CN111594616A (en) * 2020-05-26 2020-08-28 佛山市晗宇科技有限公司 3D prints elevating platform sealing device
CN112549540A (en) * 2020-10-16 2021-03-26 广东累层科技发展有限公司 3D prints work box seal structure and work box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190193155A1 (en) * 2017-12-21 2019-06-27 Arcam Ab Seal and a build tank
CN111169003A (en) * 2020-01-16 2020-05-19 共享智能铸造产业创新中心有限公司 3D printing equipment
CN111515339A (en) * 2020-01-16 2020-08-11 共享智能铸造产业创新中心有限公司 3DP printing equipment
CN111594616A (en) * 2020-05-26 2020-08-28 佛山市晗宇科技有限公司 3D prints elevating platform sealing device
CN112549540A (en) * 2020-10-16 2021-03-26 广东累层科技发展有限公司 3D prints work box seal structure and work box

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