CN115519789A - Working platform of three-dimensional printer - Google Patents

Working platform of three-dimensional printer Download PDF

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Publication number
CN115519789A
CN115519789A CN202211134547.1A CN202211134547A CN115519789A CN 115519789 A CN115519789 A CN 115519789A CN 202211134547 A CN202211134547 A CN 202211134547A CN 115519789 A CN115519789 A CN 115519789A
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CN
China
Prior art keywords
plates
plate
frame
fixedly connected
pipe
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Pending
Application number
CN202211134547.1A
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Chinese (zh)
Inventor
冯玉林
付涛
谢平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ruifeng Technology Co ltd
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Shenzhen Ruifeng Technology Co ltd
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Priority to CN202211134547.1A priority Critical patent/CN115519789A/en
Publication of CN115519789A publication Critical patent/CN115519789A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245Platforms or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/35Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/379Handling of additively manufactured objects, e.g. using robots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Robotics (AREA)

Abstract

The invention discloses a working platform of a three-dimensional printer, and relates to the technical field of three-dimensional printers. The invention includes: the frame is fixedly connected with four support rods which are vertically and upwards arranged, and two support plates which are oppositely arranged are detachably arranged on the four support rods through screw buttons; the extension board comprises two side plates, wherein two guide plates and two middle plates are fixedly connected with the two opposite sides of the side plates respectively and horizontally penetrate through the supporting plate, a plurality of middle plates which are mutually spliced are connected between the side plates, and the side plates and the upper surfaces of the middle plates are connected with folding supporting pieces which are bent in a reciprocating mode along the horizontal direction. When a large model needs to be printed, the working plane can be extended through the extension plate, so that the model support with a larger size is adapted, and the ventilation assembly and the cold and hot adjusting piece are arranged to adjust the temperature of the folding support piece, so that the model can be rapidly demoulded and the surface of the folding support piece can be effectively cleaned.

Description

Working platform of three-dimensional printer
Technical Field
The invention relates to the technical field of three-dimensional printers, in particular to a working platform of a three-dimensional printer.
Background
The three-dimensional printer is a rapid molding process, a three-dimensional model is manufactured by layering in a layer-by-layer stacking mode, and a three-dimensional entity is generally formed by stacking and superposing liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials layer by layer in a binder spraying or extruding mode.
The three-dimensional printer is generally provided with a working platform, the working platform is provided with a three-axis moving mechanism for carrying the displacement of a spray head and a working panel for bearing an extruded material, and the conventional extrusion type three-dimensional printer working platform has the following problems;
1. the size of the working panel is fixed, the working panel cannot be extended, only the printing operation can be carried out on the size within the inherent range, and only the panel can be replaced when a larger model is required to be printed, so that the operation is troublesome;
2. when the three-dimensional model is printed, an extrusion type three-dimensional printer generally needs to heat and melt resin or plastic wires firstly, then extrudes the resin or plastic wires to a working panel for stacking, a printing material needs to be quickly adhered to the working panel when contacting the working panel so as to prevent the bottom from being separated during subsequent stacking, and therefore the forming effect of the model is influenced, therefore, the upper surface of the working panel is constructed into a rough state to increase the adhesion, but the panel is difficult to demold, a shovel needs to be used for shoveling when detaching the model, the model body is easily injured, and the quality of the model is influenced;
3. residues of the model are easy to remain on the working panel after the model is detached, adhesion is firm after the material is solidified, complete cleaning is difficult, and unstable adhesion is easy to occur during subsequent model printing, so that the printing quality of the model is reduced.
Therefore, the invention provides a working platform of a three-dimensional printer.
Disclosure of Invention
The invention aims to: in order to solve the problems in the background art, the invention provides a working platform of a three-dimensional printer.
The invention specifically adopts the following technical scheme for realizing the purpose:
the work platform of three-dimensional inkjet printer includes:
the frame is fixedly connected with four support rods which are vertically and upwards arranged, and two support plates which are oppositely arranged are detachably arranged on the four support rods through screw buttons;
the extension plate comprises two side plates, the opposite sides of the two side plates are fixedly connected with two guide plates which horizontally penetrate through the support plate, a plurality of middle plates which are mutually spliced are connected between the two side plates, and the upper surfaces of the side plates and the middle plates are connected with folding support sheets which are bent in a reciprocating mode along the horizontal direction;
the synchronous driving piece is arranged between the frame and the extension plate and is used for driving the two side plates and the middle plates to synchronously approach or leave;
the ventilation assembly comprises two air collecting frames fixedly connected to a frame, one ends of the two air collecting frames are respectively provided with a one-way exhaust fan, the air collecting frames are respectively provided with an air outlet pipe communicated with the one-way exhaust fan, the other ends of the air outlet pipes are fixedly communicated with a connecting pipe, the bottoms of the side plates and the middle plate are vertically penetrated and provided with two air vents, telescopic pipes are respectively and fixedly communicated in the two air vents, and the other ends of the two telescopic pipes positioned on the same side plate or the middle plate are respectively communicated with the two connecting pipes;
the cold and hot adjusting piece is arranged between the other ends of the two gas collecting frames and is respectively used for heating or refrigerating the two gas collecting frames;
the cleaning assembly comprises a mounting frame fixedly connected to the supporting plate, a pipe brush located on the upper side of the folding supporting sheet is slidably mounted in the mounting frame, and the pipe brush is communicated with the ventilation assembly.
Furthermore, the frame includes the rectangle underframe, rectangle underframe one side fixedly connected with L type extension board, L type extension board includes first section and second section, vertical connection of first section is in one side of rectangle underframe and second section and rectangle underframe parallel arrangement from top to bottom, four branch is rectangle distribution fixed connection on the rectangle underframe.
Further, folding backing sheet includes the elastic sheet that extends towards the reciprocal bending of horizontal direction, the bottom structure of elastic sheet has a plurality of connection pieces of connecting respectively at sideboard and medium plate avris, the equal fixedly connected with sliding block of slidable mounting in sideboard and medium plate upper surface of elastic sheet bottom corner, the upper end of elastic sheet has a plurality of bending grooves along its length direction array structure, the V type film that the equal fixedly connected with opening of bending inslot upwards set up.
Furthermore, a plurality of insertion rods are formed on one side of one of the side plates and the middle plates in the same direction along the length array of the side plate, a plurality of insertion rods are formed on the other side of the other side plate and the middle plates along the length array of the side plate, insertion grooves for inserting and combining the insertion rods and the insertion rods are formed in two sides of the middle plate and opposite sides of the two side plates, and the upper surfaces of the insertion rods penetrate through the insertion grooves and are flush with the upper surfaces of the side plates and the middle plate.
Further, synchronous driving piece includes two pivots of fixed connection at the frame upper surface, two the pivot sets up relatively and the equal fixed cover in upper end is equipped with the belt pulley, two the conveyer belt has been cup jointed between the belt pulley, fixed mounting has the driving motor who is connected with one of them pivot in the frame, the equal fixedly connected with connecting seat in position that the conveyer belt is located the belt pulley both sides, two the connecting seat sets up relatively and difference fixed connection is in the bottom of two sideboard, be connected with the synchronizing part between sideboard and the medium plate.
Furthermore, the quantity of the synchronous parts is two, the synchronous parts are symmetrically arranged at the bottom of the extension plate, the synchronous parts comprise fixing columns constructed at the bottoms of the side plates and the middle plate, cross rods are hinged to the fixing columns, and two adjacent ends of each cross rod are hinged to each other.
Furthermore, the side plate and the middle plate are made of stainless steel, and a plurality of shunting holes communicated with the vent holes are horizontally formed in the side plate and the middle plate.
Further, the cold and hot regulating part includes two-way extraction fan, two of fixed connection at the collection gas frame other end fixedly connected with splice box between the collection gas frame, fixed mounting has the semiconductor refrigeration piece in the splice box, two laminating conducting strips in semiconductor refrigeration piece both sides of fixedly connected with in the splice box, the other end of conducting strip runs through two collection gas frames respectively and sets up towards two-way extraction fan.
Furthermore, the pipe brush comprises a transverse pipe which is slidably mounted in the mounting frame, the bottom of the transverse pipe is detachably connected with a sponge brush communicated with the inside of the transverse pipe through a bolt, a hose is fixedly communicated between an air outlet pipe on the air collection frame and the transverse pipe, and an electromagnetic control valve is mounted in the hose.
Further, drive assembly includes the slide of fixed connection at violently managing both ends, installing frame one side fixedly connected with guide arm and opposite side rotate and are connected with the screw rod, one of them slide sleeve establish on the guide arm, another slide threaded sleeve establishes on the screw rod, fixedly connected with output shaft and screw rod coaxial coupling's reciprocating motor on the installing frame.
The invention has the following beneficial effects:
1. the invention is provided with the extending plate, when a model with a larger range than the inherent size is required to be printed, the two side plates and the middle plates can be driven to synchronously move away from each other through the synchronous driving piece, so that the folding supporting pieces connected on the extending plate are extended, the area for supporting the model is further increased, the working panel does not need to be replaced, and the operation is more convenient.
2. When the model needs to be detached, the folding support sheet can be heated through the cold and hot adjusting piece and the ventilation assembly to soften the bottom of the model, then refrigeration is carried out, materials are separated from the folding support sheet to a certain degree through the principle of expansion with heat and contraction with cold, and finally the original bonding part of the bottom of the model and the folding support sheet can be staggered through the movement of the extension plate, so that the model can be easily demolded without a shovel, and the quality of the model is guaranteed.
3. After demoulding, the folding support sheet can be heated through the cold and hot adjusting part and the ventilation assembly, residual material residues on the folding support sheet are softened, and the surface of the folding support sheet is completely scraped through the pipe brush in the cleaning assembly, so that the residues are quickly separated from the folding support sheet, the cleaning is more comprehensive, manual cleaning is not needed, and the folding support sheet is more convenient and fast.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a semi-sectional view of the invention in a three-dimensional configuration;
FIG. 3 is an exploded perspective view of a portion of the present invention;
FIG. 4 is an exploded perspective view of the vent assembly of the present invention;
FIG. 5 is a perspective view of the frame of the present invention;
figure 6 is a schematic half-section view of a folded support sheet according to the present invention;
figure 7 is a schematic view of a further half section of the folded support sheet of the present invention;
FIG. 8 is an exploded perspective view of the synchronous drive of the present invention;
FIG. 9 is a perspective view of the synchronizing member of the present invention;
FIG. 10 is an exploded perspective view of the cold thermal regulating member of the present invention;
FIG. 11 is a perspective view of the cleaning assembly of the present invention;
reference numerals: 1. a frame; 101. a rectangular bottom frame; 102. an L-shaped support plate; 2. a strut; 3. a screw button; 4. a support plate; 5. a stretching plate; 501. a side plate; 5011. a rod is inserted; 5012. a plug rod; 5013. inserting grooves; 502. a guide plate; 503. a middle plate; 5031. a shunt hole; 504. folding the support sheet; 5041. an elastic sheet; 5042. connecting sheets; 5043. a slider; 5044. a bending groove; 5045. a V-shaped film; 6. a synchronous drive; 601. a rotating shaft; 602. a belt pulley; 603. a conveyor belt; 604. a drive motor; 605. a connecting seat; 606. a synchronizing member; 6061. fixing a column; 6062. a cross bar; 7. a vent assembly; 701. a gas collection frame; 702. a one-way exhaust fan; 703. an air outlet pipe; 704. a connecting pipe; 705. a vent hole; 706. a telescopic pipe; 8. a cold-hot regulating member; 801. a bidirectional exhaust fan; 802. a connecting frame; 803. a semiconductor refrigeration sheet; 804. a heat conductive sheet; 9. cleaning the assembly; 901. installing a frame; 902. a pipe brush; 9021. a transverse tube; 9022. a sponge brush; 9023. a hose; 9024. an electromagnetic control valve; 903. a drive assembly; 9031. a slide plate; 9032. a guide bar; 9033. a screw; 9034. a reciprocating motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
As shown in fig. 1 to 4, a working platform of a three-dimensional printer according to an embodiment of the present invention includes:
the printer comprises a frame 1, wherein the frame 1 is a support frame of an extrusion type three-dimensional printer, a three-axis moving mechanism is usually arranged on the frame and used for spatial direction movement of a spray head, four support rods 2 vertically and upwards arranged are fixedly connected onto the frame, two support plates 4 which are oppositely arranged are detachably mounted on the four support rods 2 through screw buttons 3, external threads are constructed on the support rods 2, two screw buttons 3 are sleeved on the external threads, one screw button 3 is abutted under the support plate 4, the other screw button 3 is abutted above the support plate 4, and the height position of the support plate 4 on the support rods 2 can be changed through the threaded matching of the two screw buttons 3 and the support rods 2 so as to adapt to zero setting operation of the spray head and leveling of a working panel and avoid deviation to influence the printing quality of the model;
the extending plate 5 comprises two side plates 501, two guide plates 502 horizontally penetrating through the support plate 4 are fixedly connected to opposite back sides of the two side plates 501, a plurality of middle plates 503 which are mutually inserted are connected between the two side plates 501, folding support plates 504 which are bent in a reciprocating manner along the horizontal direction are connected to the upper surfaces of the side plates 501 and the middle plates 503, the folding support plates 504 are made of graphene flexible sheets, the whole body of the folding support plates is bent in a snake-shaped reciprocating manner, graphene has good toughness and thermal conductivity, effective support can be achieved in the bending movement process of the folding support plates 504, the side plates 501 and the middle plates 503 are both connected with one corner at the bottom of the folding support plates 504, the side plates 501 and the middle plates 503 are in a horizontal inserting relationship, one can slide along the horizontal direction by taking the other as a reference, so that the movement which is far away from each other is achieved, the effect of extending can be achieved by driving the bending angle of the folding support plates 504 to increase, and a model with a larger size can be supported conveniently;
the synchronous driving part 6 is arranged between the frame 1 and the extension plate 5, is used for driving the two side plates 501 and the middle plates 503 to be synchronously close to or far away from each other, and is used for realizing synchronous increase or decrease of a plurality of bending angles of the folding support sheet 504 so as to ensure that the stress is more uniform when the support model is printed and prevent the model from offsetting;
the ventilating assembly 7 comprises two air collecting frames 701 fixedly connected to the frame 1, one ends of the two air collecting frames 701 are respectively provided with a one-way air extracting fan 702, the air collecting frames 701 are respectively provided with an air outlet pipe 703 communicated with the one-way air extracting fan 702, the one-way air extracting fan 702 blows air towards the direction of the air outlet pipe 703 all the time, the other end of the air outlet pipe 703 is fixedly communicated with a connecting pipe 704, the bottoms of the side plate 501 and the middle plate 503 are vertically penetrated and provided with two air vents 705, the two air vents are respectively and fixedly communicated with a telescopic pipe 706, the connecting pipe 704 is used for dispersing air flow blown out by the two one-way air extracting fans 702, so that the air flow can be introduced into the telescopic pipes 706, the air flows through the air vents 705 to the folding support piece 504, the other ends of the two telescopic pipes 706 on the same side plate 501 or the middle plate 503 are respectively communicated with the two connecting pipes 704, and the two telescopic pipes 706 on each side plate 501 and the middle plate 503 are respectively communicated with the two air collecting frames 701, and the telescopic pipes 706 adopt corrugated pipes, and can move along with the movement of the side plates 501 and the middle plate 503;
a cold and hot adjusting member 8 disposed between the other ends of the two air collecting frames 701 and respectively used for heating or cooling the two air collecting frames 701, wherein one air collecting frame 701 can blow hot air through the cold and hot adjusting member 8, and the other air collecting frame 701 can blow cold air, when the device performs model printing, the hot air in one air collecting frame 701 can be blown onto the folding support sheet 504 through the air vent assembly 7, the temperature of the graphene can be rapidly raised due to good thermal conductivity until the temperature reaches the temperature at which the material can be softened but the material cannot be melted, at this time, the folding support sheet 504 can be extruded and coated by the nozzle of the three-dimensional printer, the material cannot be rapidly solidified when contacting the folding support sheet 504, the contact time between the softened material and the folding support sheet 504 is more sufficient, when the folding support sheet 504 is gradually cooled, the material is also solidified synchronously, thereby the adhesion between the material and the folding support sheet 504 is improved, the printing quality of the subsequent model is ensured, and when demolding is required, the air vent assembly 7 is used to blow hot air again onto the folding support sheet 504, when the folding support sheet 504 is cooled gradually, the folding support sheet is cooled, the air vent mechanism is closed, the air vent frame 701 is closed, the air vent mechanism is used for causing the air vent mechanism to open the air vent mechanism for causing the air vent mechanism to generate a certain temperature change, the air exhaust fan 702 of the air vent mechanism, the folding support sheet 504, the folding support sheet 702 to cause the folding support sheet to rapidly solidify, the folding support sheet 504, the folding support sheet to move, the folding support sheet to generate a unidirectional air vent mechanism, the folding support sheet 702, the folding support sheet 504, the folding support sheet 702 to move, the folding support sheet 702, the demolding can be completed without using a shovel to shovel the bottom of the model, so that the damage of the model is avoided, and the convenience and the labor saving are increased;
the cleaning assembly 9 comprises an installation frame 901 fixedly connected to the support plate 4, a pipe brush 902 located on the upper side of the folding support piece 504 is installed in the installation frame 901 in a sliding mode, the pipe brush 902 is communicated with the ventilation assembly 7, the pipe brush 902 is communicated with an air collecting frame 701 used for blowing cold air in the ventilation assembly 7, a driving assembly 903 used for driving the pipe brush 902 to move horizontally is arranged on the installation frame 901, after demolding is finished, the pipe brush 902 can be introduced with the cold air through the ventilation assembly 7, meanwhile, hot air is blown to the folding support piece 504, residual materials on the folding support piece 504 can be softened at a high temperature, when the pipe brush 902 at the cold temperature is driven by the driving assembly 903 to be in contact with the softened materials, the materials can be separated from the folding support piece 504 and can be adhered to the pipe brush 902 to be solidified quickly, the folding support piece 504 can be cleaned better, the length of the pipe brush 902 is larger than that of the folding support piece 504, the whole folding support piece 504 can be completely covered when moving, cleaning is more comprehensive, the whole cleaning efficiency is higher, the cleaning effect is better, the residual printing effect of the material can be effectively avoided, and the subsequent printing effect of the model can be effectively guaranteed.
As shown in fig. 5, in some embodiments, the frame 1 includes a rectangular bottom frame 101, the rectangular bottom frame 101 is used for supporting the whole device, an L-shaped support plate 102 is fixedly connected to one side of the rectangular bottom frame 101, the L-shaped support plate 102 includes a first section and a second section, the first section is vertically connected to one side of the rectangular bottom frame 101, the second section is arranged in parallel with the rectangular bottom frame 101, four support rods 2 are fixedly connected to the rectangular bottom frame 101 in a rectangular distribution, by arranging the L-shaped support plate 102, the three-axis moving mechanism can be installed on the L-shaped support plate 102, so that the shower head can move azimuthally above the rectangular bottom frame 101, and the support rods 2 are installed on the rectangular bottom frame 101, so that the interference of the three-axis moving mechanism with the extending plate 5 can be avoided, the safety is increased, and the normal operation of the device is ensured.
As shown in fig. 6 to 7, in some embodiments, the folding support piece 504 includes an elastic piece 5041 extending to be bent and folded back and forth in a horizontal direction, a plurality of connecting pieces 5042 are formed at the bottom of the elastic piece 5041 to be connected to one side of each of the side plate 501 and the middle plate 503, only one connecting piece 5042 is connected to one side plate 501 and all middle plates 503, the distance between the connecting pieces 5042 is equal to each other, two connecting pieces 5042 are connected to the other side plate 501, two connecting pieces 5042 are connected to both sides of the upper surface of each of the side plate 501 and the middle plate 503 in a width direction, respectively, for positioning, a sliding block 5043 slidably mounted on the upper surfaces of the side plate 501 and the middle plate 503 is fixedly connected to each of the bottom corners of the elastic piece 5041, and when the side plate 501 and the middle plate 503 are moved away from or close to each other, the elastic pieces 5041 can be extended synchronously at the same distance by the connecting pieces 5042, and during the extension, the sliding block 5043 can play a role in limiting the position up and down, and prevent the elastic sheet 5041 from deviating, thereby resulting in uneven support of the bottom of the model and increasing safety, the upper end of the elastic sheet 5041 is provided with a plurality of bending grooves 5044 along the length direction in an array manner, the bending grooves 5044 are fixedly connected with V-shaped flexible sheets 5045 with upward openings, the bending grooves 5044 on the upper side and the lower side of the elastic sheet 5041 have the same angle, the folding support sheet 504 has two states, one is a contraction state, the V-shaped flexible sheets 5045 are filled in the bending grooves 5044 at the moment, so that the upper surface of the folding support sheet 504 forms a plane with certain gaps, the model can be effectively supported, certain materials can permeate into the gaps, the adhesion stability to the bottom of the model is increased, the printing quality of the model is guaranteed, when the folding support sheet is extended, all the bending grooves 5044 can generate the increase of the angle through the movement of the connecting sheet 5042, the V-shaped soft sheet 5045 can be driven to synchronously generate angle change until the V-shaped soft sheet 5045 is stretched into a straight state, namely the state of extension is completed at the moment, two ends of the V-shaped soft sheet 5045 are connected to the opening part of the bending groove 5044, when the V-shaped soft sheet 5045 is stretched into the straight state, the upper surface of the V-shaped soft sheet and the upper end bending angle of the elastic sheet 5041 are kept in the same horizontal plane, the flat state of the bottom of the model is guaranteed, the V-shaped soft sheet 5045 and the bending groove 5044 form a triangular structure, the supporting stability is also guaranteed, the area capable of supporting the model is increased, the working panel does not need to be replaced in the whole operation, and the V-shaped soft sheet 5045 is more convenient and innovative.
As shown in fig. 3, in some embodiments, one side of one of the side plates 501 and the middle plates 503 in the same direction is formed with a plurality of pins 5011 along the length thereof, the other side of the other side plate 501 and the middle plates 503 is formed with a plurality of pins 5012 along the length thereof, the planes in which the pins 5011 and the pins 5012 of the same middle plate 503 are located are distributed up and down, the widths of the side plates 501 and the middle plates 503 are the same, the lengths of the pins 5011 and the pins 5012 are smaller than the widths of the side plates 501 and the middle plates 503, the two sides of the middle plate 503 and the opposite sides of the two side plates 501 are formed with pins 5013 for inserting the pins 5011 and the pins 5012, the upper surfaces of the pins 5012 penetrate through the pins 5013 and are flush with the upper surfaces of the side plates 501 and the middle plates 503, when the side plates 501 and the middle plates 503 are moved away from each other by the synchronous driving member 6, the straight movement of the side plates 501 and the middle plates 503 can be ensured by the pins 5011 and the pins 5012, the straight movement of the side plates 501 and the middle plates 503 can be prevented from being moved away from each other, and the bottom of the support plates 504 can be prevented from being offset, and the pins 504 can be prevented from the bottom of the support the pins are always offset.
As shown in fig. 8, in some embodiments, the synchronous driving member 6 includes two rotating shafts 601 fixedly connected to the upper surface of the frame 1, two rotating shafts 601 are oppositely disposed, and both upper ends of the two rotating shafts 601 are fixedly sleeved with belt pulleys 602, a conveying belt 603 is sleeved between the two belt pulleys 602, a driving motor 604 connected to one of the rotating shafts 601 is fixedly installed in the frame 1, connecting seats 605 are fixedly connected to portions of the conveying belt 603 located at both sides of the belt pulleys 602, the two connecting seats 605 are oppositely disposed and respectively fixedly connected to bottoms of the two side plates 501, a synchronizing member 606 is connected between the side plates 501 and the middle plate 503, the synchronizing member 606 is configured to enable the side plates 501 and the middle plate 503 to cooperate in a linkage manner to synchronously move, when the folding support sheet 504 is extended, the driving motor 604 may drive one of the rotating shafts 601 to rotate, and the other rotating shaft 601 may also synchronously rotate through cooperation of the belt pulleys 602 and the conveying belt 603, during movement of the conveying belt 603, the two connecting seats 605 may drive the two side plates 501 to move in opposite directions, thereby drive the middle plate 503 to synchronously move, and further implement extension operation of the folding support sheet 504, thereby achieving automatic operation of the extension of the folding support sheet 504, and saving manpower operation, and being more convenient and convenient.
As shown in fig. 9, in some embodiments, the synchronizing members 606 are two and symmetrically disposed at the bottom of the extending plate 5, the synchronizing members 606 include two fixing posts 6061 configured at the bottoms of the side plate 501 and the middle plate 503, the fixing posts 6061 are hinged to each other by a cross bar 6062, the cross bar 6062 includes two posts with the same length, the middle portions of the two posts intersect and are hinged to the fixing posts 6061, two ends of two adjacent cross bars 6062 are hinged to each other, the ends of the posts of the plurality of cross bars 6062 are disposed opposite to each other and hinged to each other, so as to form a scissor structure, when the fixing posts 6061 on the two side plates 501 move by the scissor structure, the other fixing posts 6061 move synchronously toward two opposite directions, thereby moving the extending plates 5 to separate from each other or approach each other, so as to extend and fold the folding support piece 504.
As shown in fig. 3-4, in some embodiments, the side plate 501 and the middle plate 503 are made of stainless steel, a plurality of diversion holes 5031 communicated with the vent holes 705 are horizontally formed in the side plate 501 and the middle plate 503, the stainless steel has a good heat conduction effect, when cold air or hot air from the air outlet pipe 703 is blown into the vent holes 705, a part of the air flow enters the diversion holes 5031, so as to heat or cool the side plate 501 and the middle plate 503, and the side plate 501 and the middle plate 503 are both in contact with the folding support piece 504, so that heat conduction can be uniformly performed, the temperature change of the side plate 501 and the middle plate 503 is accelerated, and stable adhesion of the bottom layer of the mold and rapid demolding operation are ensured.
As shown in fig. 10, in some embodiments, the cooling and heating device 8 includes a bidirectional exhaust fan 801 fixedly connected to the other end of the air collecting frame 701, a connection frame 802 is fixedly connected between the two air collecting frames 701, a semiconductor cooling plate 803 is fixedly installed in the connection frame 802, two heat conducting plates 804 attached to two sides of the semiconductor cooling plate 803 are fixedly connected in the connection frame 802, the other ends of the heat conducting plates 804 respectively penetrate the two air collecting frames 701 and are arranged toward the bidirectional exhaust fan 801, the semiconductor cooling plate 803 can convert electric energy into heat energy, one side of the semiconductor cooling plate is a cooling side, the other side of the semiconductor cooling plate is a heating side, the heat conducting plate 804 includes copper plates attached to two sides of the semiconductor cooling plate 803, the other side of the copper plates is arrayed with a plurality of copper plates penetrating the air collecting frames 701, so that cold air can be effectively transferred to the inside the air collecting frames 701, the heat inside the air collecting frames 701 can be absorbed to achieve a cooling effect, both heating and cooling effects can be utilized, the utilization rate of the heat energy is improved, the bidirectional exhaust fan 801 is arranged, when the folded air collecting frames 701 are blown by hot air, the air collecting frames 701, the bidirectional exhaust fan 701 and the cooling fan 801 is blown to the cooling air, the bidirectional exhaust the cooling air, the heat collecting frame 701 and the heat collecting support plate 703, the air is discharged into the cooling air, and the air collecting fan 801, and the air is discharged into the bidirectional exhaust fan, and the cooling air collecting support plate, and the cooling fan 801, and the cooling air is discharged into the bidirectional exhaust fan 701, and the bidirectional exhaust fan 801, and the cooling fan 801, and the bidirectional exhaust fan 701, and the cooling fan 801, and the bidirectional exhaust fan is prevented from the bidirectional exhaust fan 801, and the bidirectional exhaust fan 701.
As shown in fig. 1, 10 and 11, in some embodiments, the tube brush 902 includes a transverse tube 9021 slidably mounted in the mounting frame 901, a sponge brush 9022 detachably connected to the bottom of the transverse tube 9021 through a bolt is connected to the bottom of the transverse tube 9021 through a sponge with high hardness, the upper surface of the foldable support piece 504 can be effectively scraped, a hose 9023 is fixedly connected between the air outlet tube 703 of one air collection frame 701 and the transverse tube 9021, the air collection frame 701 faces the cooling surface of the semiconductor cooling piece 803, an electromagnetic control valve 9024 is mounted in the hose 9023, the electromagnetic control valve 9024 is a three-way electromagnetic valve, when the mold needs to be demolded, firstly, the foldable support piece 504 needs to be heated by a one-way air suction fan in the other air collection frame 701, then the air outlet tube 703 interface of the cooling portion is sealed by the electromagnetic control valve 9024, at this time, both two-way air suction fans 801 blow air towards the inside the air collection frame 701, so that cold air can flow into the transverse tube 9021 through the hose 9022, and then blow out through the sponge brush 9022, the sponge brush contacts the sponge brush, and the sponge brush can be adhered to the sponge material to be quickly, so as to ensure the quality of the subsequent sponge material can be solidified and be further quickly.
As shown in fig. 1 and 11, in some embodiments, the driving assembly 903 includes sliding plates 9031 fixedly connected to two ends of the transverse tube 9021, a guide rod 9032 is fixedly connected to one side of the mounting frame 901, and a screw rod 9033 is rotatably connected to the other side of the mounting frame 901, one of the sliding plates 9031 is slidably sleeved on the guide rod 9032, the other sliding plate 9031 is threadedly sleeved on the screw rod 9033, a reciprocating motor 9034 having an output shaft coaxially connected to the screw rod 9033 is fixedly connected to the mounting frame 901, the reciprocating motor 9034 can drive the screw rod 9033 to rotate, so as to drive the sliding plate 9031 to move along the length direction of the screw rod 9033, and the other sliding plate 9031 can synchronously slide on the guide rod 9032 to perform a guiding function, so as to prevent the transverse tube 9021 from being deviated and being stuck during moving, thereby increasing safety, and the reciprocating motor 9034 can be provided to enable the transverse tube 9021 to reciprocate the folding support piece 504 to scrape, thereby improving cleaning effect and automatically saving manpower.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. Work platform of three-dimensional inkjet printer, its characterized in that includes:
the device comprises a frame (1), four upright and upward supporting rods (2) are fixedly connected to the frame (1), and two opposite supporting plates (4) are detachably mounted on the four supporting rods (2) through screw buttons (3);
the extension plate (5) comprises two side plates (501), two guide plates (502) horizontally penetrating through the support plate (4) are fixedly connected to the opposite sides of the two side plates (501), a plurality of middle plates (503) which are mutually spliced are connected between the two side plates (501), and folding support plates (504) which are bent in a reciprocating mode along the horizontal direction are connected to the upper surfaces of the side plates (501) and the middle plates (503);
the synchronous driving piece (6) is arranged between the frame (1) and the extension plate (5) and is used for driving the two side plates (501) and the middle plates (503) to synchronously approach or leave;
the ventilation assembly (7) comprises two air collecting frames (701) fixedly connected to a frame (1), one ends of the two air collecting frames (701) are respectively provided with a one-way suction fan (702), the air collecting frames (701) are respectively provided with an air outlet pipe (703) communicated with the one-way suction fan (702), the other end of the air outlet pipe (703) is fixedly communicated with a connecting pipe (704), the bottoms of the side plate (501) and the middle plate (503) are respectively vertically penetrated and provided with two vent holes (705), telescopic pipes (706) are respectively fixedly communicated in the two vent holes (705), and the other ends of the two telescopic pipes (706) positioned on the same side plate (501) or the middle plate (503) are respectively communicated with the two connecting pipes (704);
the cold and hot adjusting piece (8) is arranged between the other ends of the two gas collecting frames (701) and is respectively used for heating or refrigerating the two gas collecting frames (701);
the cleaning assembly (9) comprises an installation frame (901) fixedly connected to the support plate (4), a pipe brush (902) located on the upper side of the folding support piece (504) is installed in the installation frame (901) in a sliding mode, the pipe brush (902) is communicated with the ventilation assembly (7), and a driving assembly (903) used for driving the pipe brush (902) to move horizontally is arranged on the installation frame (901).
2. The work platform of the three-dimensional printer according to claim 1, characterized in that the frame (1) comprises a rectangular bottom frame (101), an L-shaped support plate (102) is fixedly connected to one side of the rectangular bottom frame (101), the L-shaped support plate (102) comprises a first section and a second section, the first section is vertically connected to one side of the rectangular bottom frame (101), the second section is vertically arranged in parallel with the rectangular bottom frame (101), and four of the support rods (2) are fixedly connected to the rectangular bottom frame (101) in a rectangular distribution.
3. The working platform of the three-dimensional printer according to claim 1, wherein the folding support piece (504) comprises an elastic piece (5041) which extends towards the horizontal direction in a reciprocating bending mode, the bottom of the elastic piece (5041) is provided with a plurality of connecting pieces (5042) which are respectively connected to one side of the side plate (501) and the middle plate (503), the corners of the bottom of the elastic piece (5041) are respectively and fixedly connected with a sliding block (5043) which is slidably installed on the upper surfaces of the side plate (501) and the middle plate (503), the upper end of the elastic piece (5041) is provided with a plurality of bending grooves (5044) along the length direction array thereof, and the bending grooves (5044) are internally and fixedly connected with V-shaped soft pieces (5045) with upward openings.
4. The workbench of a three-dimensional printer according to claim 1, wherein one side of the side plate (501) and the middle plates (503) in the same direction are respectively provided with a plurality of insertion rods (5011) along the length array, the other side of the side plate (501) and the middle plates (503) is respectively provided with a plurality of insertion rods (5012) along the length array, two sides of the middle plate (503) and the opposite sides of the two side plates (501) are respectively provided with insertion slots (5013) for the insertion of the insertion rods (5011) and the insertion rods (5012), and the upper surfaces of the insertion rods (5012) penetrate through the insertion slots (5013) and are flush with the upper surfaces of the side plate (501) and the middle plates (503).
5. The working platform of the three-dimensional printer according to claim 1, wherein the synchronous driving member (6) comprises two rotating shafts (601) fixedly connected to the upper surface of the frame (1), the two rotating shafts (601) are oppositely arranged, the upper ends of the two rotating shafts are fixedly sleeved with belt pulleys (602), a conveying belt (603) is sleeved between the two belt pulleys (602), a driving motor (604) connected with one rotating shaft (601) is fixedly installed in the frame (1), connecting seats (605) are fixedly connected to the parts of the conveying belt (603) located on the two sides of the belt pulleys (602), the two connecting seats (605) are oppositely arranged and fixedly connected to the bottoms of the two side plates (501), and a synchronizing member (606) is connected between the side plates (501) and the middle plate (503).
6. The work platform of the three-dimensional printer according to claim 5, characterized in that the number of the synchronizing members (606) is two, the two synchronizing members are symmetrically arranged at the bottom of the extending plate (5), the synchronizing members (606) comprise fixing posts (6061) constructed at the bottoms of the side plate (501) and the middle plate (503), the fixing posts (6061) are hinged with cross bars (6062), and two adjacent cross bars (6062) are hinged and connected at two ends.
7. The work platform of the three-dimensional printer according to claim 1, characterized in that the side plate (501) and the middle plate (503) are made of stainless steel, and a plurality of shunting holes (5031) communicated with the vent holes (705) are horizontally formed in the side plate (501) and the middle plate (503).
8. The working platform of the three-dimensional printer according to claim 1, wherein the cold and hot adjusting member (8) comprises a bidirectional exhaust fan (801) fixedly connected to the other end of the air collecting frame (701), two connecting frames (802) are fixedly connected between the air collecting frame (701), a semiconductor chilling plate (803) is fixedly installed in each connecting frame (802), two heat conducting plates (804) attached to two sides of the semiconductor chilling plate (803) are fixedly connected in each connecting frame (802), and the other end of each heat conducting plate (804) penetrates through the two air collecting frames (701) respectively and is arranged towards the bidirectional exhaust fan (801).
9. The working platform of the three-dimensional printer according to claim 1, wherein the pipe brush (902) comprises a horizontal pipe (9021) slidably mounted in the mounting frame (901), the bottom of the horizontal pipe (9021) is detachably connected with a sponge brush (9022) communicated with the inside of the horizontal pipe through a bolt, a hose (9023) is fixedly communicated between the air outlet pipe (703) of one of the air collecting frames (701) and the horizontal pipe (9021), and an electromagnetic control valve (9024) is mounted in the hose (9023).
10. The working platform of the three-dimensional printer as claimed in claim 9, wherein the driving assembly (903) comprises sliding plates (9031) fixedly connected to two ends of the transverse pipe (9021), one side of the mounting frame (901) is fixedly connected with a guide rod (9032) and the other side of the mounting frame is rotatably connected with a screw rod (9033), one of the sliding plates (9031) is slidably sleeved on the guide rod (9032), the other sliding plate (9031) is threadedly sleeved on the screw rod (9033), and a reciprocating motor (9034) with an output shaft coaxially connected with the screw rod (9033) is fixedly connected to the mounting frame (901).
CN202211134547.1A 2022-09-19 2022-09-19 Working platform of three-dimensional printer Pending CN115519789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211134547.1A CN115519789A (en) 2022-09-19 2022-09-19 Working platform of three-dimensional printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211134547.1A CN115519789A (en) 2022-09-19 2022-09-19 Working platform of three-dimensional printer

Publications (1)

Publication Number Publication Date
CN115519789A true CN115519789A (en) 2022-12-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117549560A (en) * 2024-01-11 2024-02-13 西南石油大学 Material removing device of 3D printer
CN118514323A (en) * 2024-07-22 2024-08-20 蓬莱中柏京鲁船业有限公司 Hull plate processing sample manufacturing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117549560A (en) * 2024-01-11 2024-02-13 西南石油大学 Material removing device of 3D printer
CN117549560B (en) * 2024-01-11 2024-04-02 西南石油大学 Material removing device of 3D printer
CN118514323A (en) * 2024-07-22 2024-08-20 蓬莱中柏京鲁船业有限公司 Hull plate processing sample manufacturing device
CN118514323B (en) * 2024-07-22 2024-09-10 蓬莱中柏京鲁船业有限公司 Hull plate processing sample manufacturing device

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