CN112589125B - Base shaft type metal 3D printing equipment - Google Patents
Base shaft type metal 3D printing equipment Download PDFInfo
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- CN112589125B CN112589125B CN202011454342.2A CN202011454342A CN112589125B CN 112589125 B CN112589125 B CN 112589125B CN 202011454342 A CN202011454342 A CN 202011454342A CN 112589125 B CN112589125 B CN 112589125B
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- 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
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- 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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Abstract
The invention discloses a base shaft type metal 3D printing device which comprises a powder supplementing and scraping integrated device, a powder sucking device and a powder sieving machine, wherein the powder sucking device is arranged on the powder scraping integrated device; a drawer of the powder supplementing and scraping integrated device is communicated with a powder suction port of the powder suction device through a powder feeding pipe; a discharge pipe of the powder suction device is communicated with a feeding cylinder of the powder screening machine through a powder feeding pipe; and a vacuum conveyor is arranged on the powder feeding pipe. The base shaft type metal 3D printing equipment is simple in structure and convenient to use, the powder supplementing and scraping integrated device is adopted for printing, the printing effect is good, the printed metal powder is convenient to recycle, the metal powder can be recycled or the metal powder at a certain position is sucked into a powder sieving machine for sieving, and the temporary storage, the conveying, the sieving, the storage and the like can be further carried out.
Description
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to a base shaft type metal 3D printing equipment.
Background
The metal 3D printing technology has the advantages of personalized design, rapid forming and short manufacturing period, is very suitable for manufacturing metal parts with small batch, personalization, complex surfaces and internal structures, and in the process of 3D printing of metal powder, high-energy-density laser directly acts on the metal powder and rapidly scans and moves to rapidly melt and then rapidly condense the metal powder.
The quality requirement of important parts on aerospace equipment is very high, when powder is added, if the powder has a hollow hole, the powder can be reflected in the inner wall of a product, if the powder is not paved flatly enough, the surface of the powder has raised scattered powder, and due to the problem that laser needs to be focused, the unevenness can cause that the laser can not correctly melt metal particles, so that the product quality has fatal defects, the conventional SLM metal printer is not ideal in convenient control, and the Chinese patent publication No. CN206997776U discloses a powder feeding and spreading device of an SLM type 3D printer, which comprises a roller, a sliding rail, a powder feeding frame, a roller shaft, a powder feeding funnel, a transverse partition plate, a spring A, a support rod A, a transverse shaft, a roller shaft, a sleeve A, a support rod B, a scraper blade, a sleeve B and a spring B; the gyro wheel axle is rotatable to be installed on sending the powder frame, the gyro wheel can be followed the slide rail and made a round trip to roll, send powder funnel fixed mounting on sending the powder frame, cross slab fixed mounting is inside sending the powder funnel, send powder frame bottom both sides welded fastening respectively have sleeve A and sleeve B, wherein be equipped with spring A in the sleeve A, be equipped with spring B in the sleeve B, branch B fixed mounting is at the top of scraper blade, the cross slab in sending the powder funnel that sets up through the device has network structure, can disperse well added metal powder, prevent it excessively to pile up, the back and forth slip and the roll of scraper blade and roller, make metal powder level and smooth, but do not extrude the powder, there is the hollow condition, and, when scraper blade and roller return stroke, it drops on the powder plane of just strickleing off to have scattered powder on the roller, lead to the powder still not level.
In addition, because metal powder is expensive, inconvenient getting rid of after printing the processing product and remaining the metal powder on product surface, retrieve reuse to the powder of retrieving, lead to extravagant, increase cost, and inhale the inconvenient powder effect of inhaling of powder device relatively poor among the prior art, the inconvenient printer device that corresponds regulation and control.
Furthermore, the chinese patent application No.: CN201921587951.8 discloses a metal powder screening plant for metal 3D printer, belongs to 3D printer technical field, and it includes the workbin, the lower surface of workbin inner wall is linked together through the upper surface of connecting pipe with the transport cylinder inner wall, the upper surface of transport cylinder is connected with the lower fixed surface of workbin, the lower fixed surface of transport cylinder is connected with the screening shell, the equal joint of the left and right sides face of screening shell and transport cylinder inner wall has the bearing. This a metal powder screening plant for metal 3D printer, through the workbin, slow motor, the screw axis, the gear, the chain, the connecting pipe, the coarse mesh otter board, the pore otter board, micro motor, the cam, spring and arrange mutually supporting between the miscellaneous pipe, this kind of mode is convenient sieves metal powder, but the screening effect of powder shifter is not good, the easy gathering of metal powder reduces the efficiency of screening in the powder shifter, and inconvenient metal powder to the caking carries out crushing operation, the inconvenient metal powder that will disqualify of powder shifter among the prior art takes out simultaneously.
Based on the situation, the invention provides a base shaft type metal 3D printing device which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a base shaft type metal 3D printing device. The base shaft type metal 3D printing equipment is simple in structure and convenient to use, the powder supplementing and scraping integrated device is adopted for printing, the printing effect is good, the printed metal powder is convenient to recycle, the metal powder can be recycled or the metal powder at a certain position is sucked into a powder sieving machine for sieving, and the temporary storage, the conveying, the sieving, the storage and the like can be further carried out.
The invention is realized by the following technical scheme:
a base shaft type metal 3D printing device comprises a powder supplementing and scraping integrated device, a powder sucking device and a powder screening machine;
a drawer of the powder supplementing and scraping integrated device is communicated with a powder suction port of the powder suction device through a powder feeding pipe;
a discharge pipe of the powder suction device is communicated with a feeding cylinder of the powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe;
the powder supplementing and scraping integrated device comprises a machine body, wherein the outer wall of the machine body is rotatably connected with a box door, the outer wall of the box door is fixedly connected with a second handle, the inner side of the machine body is fixedly connected with a partition plate, the inner wall of the partition plate is provided with a recovery channel, the upper surface of the partition plate is fixedly connected with a second air cylinder, the inner side of the machine body is fixedly connected with a guide rail, the top of the machine body is fixedly connected with an exhaust fan, a powder recovery assembly, a laser assembly, a powder supplementing and scraping assembly and a lifting assembly are arranged inside the machine body, the powder recovery assembly and the powder supplementing and scraping assembly are slidably connected with the machine body, the laser assembly is fixedly connected with the machine body, and the lifting assembly is fixedly connected with the partition plate;
the powder suction device comprises a support plate, a powder storage box is fixedly connected to the top of the support plate, a support is fixedly connected to the bottom of the support plate, a fixed block is fixedly connected to one side of the support, a sleeve is fixedly connected to the surface of the top of the fixed block, a twisting part is arranged on the surface of the sleeve, a sleeve rod is connected to the inner wall of the sleeve in a sliding mode, a connecting block is fixedly connected to the top of the sleeve rod, a pin bolt is connected to the surface of the connecting block in a rotating mode, a limiting block is fixedly connected to one end of the pin bolt, a connecting disc is fixedly connected to the other end of the pin bolt, a powder suction pipe is connected to the surface of the connecting disc in a rotating mode through a rotating shaft, a powder suction port is fixedly connected to the surface of the powder suction pipe, a negative pressure fan is fixedly connected to the top of the powder storage box, a hose is fixedly connected to the surface of one side of the negative pressure fan, and a powder suction pipe is fixedly connected to the end of the hose, the bottom of storing up the powder case runs through backup pad fixedly connected with and arranges the material pipe, the surface of arranging the material pipe is provided with the valve.
The powder sieving machine comprises a powder sieving box, wherein vibrating motors are fixedly connected to the front side wall and the rear side wall of the powder sieving box, two fixed blocks are fixedly connected to the front side wall and the rear side wall of the powder sieving box, the lower sides of the fixed blocks are respectively provided with a linking block, the linking block is fixedly connected with the fixed blocks through a telescopic rod, a spring is sleeved outside the telescopic rod, the top end of the spring is fixedly connected with the fixed blocks, the bottom end of the spring is fixedly connected with the linking block, the lower end face of the linking block is fixedly connected with a support column, the lower end face of the powder sieving box is fixedly connected with a powder guiding box, the lower end face of the powder guiding box is fixedly connected with a powder outlet pipe, a solenoid valve is fixedly mounted on the powder outlet pipe, one side wall of the powder sieving box is provided with a discharge outlet, clamping blocks are fixedly arranged on the two sides of the discharge outlet, a baffle is arranged in the clamping block, and a handle is fixedly connected to the side wall of the baffle, a first sieve plate is fixedly arranged in the powder sieving box, a threaded rod is arranged on the upper side of the first sieve plate and is rotationally connected with the powder sieving box, one end of the threaded rod penetrates through the powder sieving box and is coaxially and fixedly connected with a driven wheel, a first motor is fixedly connected with the upper end face of the powder sieving box, a driving end of the first motor is fixedly connected with a driving wheel, the driving wheel is in transmission connection with the driven wheel through a belt, a moving block is in threaded connection with the threaded rod, two guide holes are symmetrically arranged on the moving block, guide rods are respectively matched and arranged in the two guide holes, two ends of each guide rod are respectively fixedly connected with the inner wall of the powder sieving box, a material pushing plate is fixedly connected with the moving block through a connecting block, a feeding cylinder is fixedly connected with the upper end face of the powder sieving box, a second sieve plate is fixedly connected in the feeding cylinder, and a second motor is fixedly connected with the lower end face of the second sieve plate, the driving end of the second motor penetrates through the second sieve plate and is coaxially and fixedly connected with a rotating block, and a rotating rod is fixedly connected to the side wall of the rotating block.
As a preferred technical scheme of the invention, the powder recovery assembly comprises a drawer, the drawer is connected inside the machine body in a sliding mode, a first handle is fixedly connected to the outer wall of the drawer, and the drawer is arranged below the recovery channel.
As a preferred technical scheme of the invention, the laser assembly comprises a radiator, the radiator is fixedly connected to the top of the inner side of the machine body, the lower surface of the radiator is fixedly connected with a laser module, the lower surface of the laser module is fixedly connected with a protective mirror, and the radiator is communicated with an exhaust fan.
As a preferable technical scheme of the invention, the powder supplementing and scraping component comprises a sliding plate, the sliding plate is connected to the upper side of a guide rail in a rolling way, rollers are rotatably connected to two sides of the sliding plate, the sliding plate is connected with the guide rail in a rolling way through the rollers, a first fixed seat and a second fixed seat are fixedly connected to the lower surface of the sliding plate, a rolling shaft and a first secondary roller are rotatably connected between the first fixed seat and the second fixed seat, a second secondary roller is fixedly connected between the first fixed seat and the second fixed seat, a second motor is fixedly connected to the upper surface of the partition plate, a second belt wheel is fixedly connected to the output end of the second motor, a fourth belt wheel is fixedly connected to one end of the rolling shaft, a second belt is sleeved between the fourth belt wheel and the second belt wheel, a first gear is fixedly connected to the other end of the rolling shaft, and a second gear is fixedly connected to one end of the first secondary roller, the first gear is meshed with the second gear, the lower surface of the sliding plate is fixedly connected with a push plate, and the push plate is fixedly connected with the extending end of the second cylinder.
As a preferred technical scheme of the present invention, a raw material box is fixedly connected to an inner wall of the sliding plate, a first motor is fixedly connected to a top of the raw material box, a first belt pulley is fixedly connected to an output end of the first motor, a semicircular valve shaft is rotatably connected to the inner wall of the raw material box, one end of the semicircular valve shaft penetrates through an outer wall of the raw material box and is fixedly connected to a third belt pulley, and a first belt is sleeved between the first belt pulley and the third belt pulley.
As a preferred technical scheme, the lifting assembly comprises a printing box, the printing box is fixedly connected to the inner wall of the partition plate, a first air cylinder is fixedly connected to the interior of the printing box, a supporting plate is fixedly connected to the extending end of the first air cylinder, a supporting column is fixedly connected to the upper surface of the supporting plate, a workbench is fixedly connected to the upper end of the supporting column, and a sealing ring is fixedly connected to the outer wall of the workbench.
As a preferable technical scheme of the invention, an exhaust pipe is fixedly connected to one side surface of the powder storage box, and the end part of the exhaust pipe penetrates through the powder storage box and extends to the inside to be fixedly connected with the filter screen.
As a preferable technical scheme of the invention, the surface of the loop bar is provided with adjusting holes, and the adjusting holes are distributed on the surface of the loop bar at equal intervals.
As a preferable technical scheme of the invention, the surface of the powder suction pipe is fixedly connected with a plurality of powder suction ports.
As a preferable technical scheme of the invention, the top surface of the connecting block is fixedly connected with a supporting block, and the supporting block is U-shaped.
As a preferable technical scheme of the invention, the surface of the powder storage box is rotatably connected with a box door through a hinge, and the box door is a sealing door.
As a preferred technical scheme of the invention, a guide plate is arranged on the lower side of the discharge port and is fixedly connected with the powder sieving box.
As a preferable technical scheme of the invention, the bottom end of the supporting column is fixedly connected with a cushion pad, and the cushion pad is made of rubber.
As a preferred technical scheme of the present invention, the upper end surface of the rotation block is fixedly connected with a flow guide block, and the flow guide block is conical.
As a preferable technical scheme of the invention, a bearing plate is arranged on the lower side of the second motor and fixedly connected with the second sieve plate through a fixing column.
As a preferable technical scheme of the invention, the outer surface of the handle is provided with anti-skid grains, and the cross section of the handle is C-shaped.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the base shaft type metal 3D printing equipment is simple in structure and convenient to use, the powder supplementing and scraping integrated device is adopted for printing, the printing effect is good, the printed metal powder is convenient to recycle, the metal powder can be recycled or the metal powder at a certain position is sucked into a powder sieving machine for sieving, and the temporary storage, the conveying, the sieving, the storage and the like can be further carried out.
According to the powder supplementing and scraping integrated device, after powder is put in, the powder is extruded through rolling between the rolling shaft and the first auxiliary roller, so that the powder is more compact, the semi-circular valve shaft can conveniently open and close the raw material box, and through the second auxiliary roller which is arranged above the rolling shaft and does not rotate, the powder adhered to the rolling shaft in the return stroke can be scraped by the second auxiliary roller which is extruded with the rolling shaft, so that scattered powder is prevented from falling in the rolled area.
Compared with the prior art, this mend powder and scrape integrative device of powder, through setting up former feed tank above roller bearing and first pair roller, the powder is put in the back and is extruded through the roll between roller bearing and the first pair roller, makes the powder compacter, through the semicircle valve shaft that sets up on the former feed tank, under the drive of first motor, can be convenient open and close former feed tank, avoid continuously throwing the material and cause frequent reinforced. Through the second auxiliary roller which is arranged above the roller and does not rotate, the roller rolls clockwise on the metal powder plane of the workbench in the return stroke, redundant powder is either swept to the recycling channel, and the powder stuck on the roller can be scraped by the second auxiliary roller which is extruded together with the roller, so that the rolled area is ensured not to have scattered powder to fall off.
According to the powder suction device, a negative pressure fan is started, the negative pressure fan is connected with a hose, the hose is connected with a powder suction pipe, a powder suction port on the surface of the powder suction pipe is used for carrying out powder suction treatment on a processed product, residual metal powder on the surface is recovered to the inside of a powder storage box for storage, and a discharge pipe at the bottom of the powder storage box is communicated with a feeding cylinder of a powder screening machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe; set up the valve through the surface of arranging the material pipe, convenient operation, control metal powder flux, still be convenient for to the metal powder recovery processing who stores up the collection of powder incasement, can also utilize row material pipe switch-on printer to store up the powder jar and then realize cyclic utilization, the steam generator is simple in structure, convenient and practical, effectively practice thrift product manufacturing cost, avoid the waste of expensive metal powder, solved because metal powder is expensive, inconvenient getting rid of the metal powder who remains on the product surface after printing the processing product, retrieve reuse to the powder of retrieving, lead to extravagant, increase cost, and it is relatively poor to inhale the inconvenient powder effect of inhaling of powder device among the prior art, the inconvenient problem that corresponds printer equipment regulation and control.
The powder suction device comprises a negative pressure fan, a hose, a powder suction pipe, a powder suction port, a sleeve rod surface screwing piece and a sleeve rod surface screwing piece, wherein the negative pressure fan is started, the hose is connected with the negative pressure fan, the powder suction pipe is connected with the hose through the hose, the powder suction treatment is carried out on a processed product by utilizing the powder suction port on the surface of the powder suction pipe, the residual metal powder on the surface is recovered to the inside of a powder storage box to be stored, the powder suction pipe horizontally rotates to stretch out corresponding to printer equipment through the adjustment hole on the surface of the sleeve rod, the powder suction pipe is convenient to adjust the height of the powder suction pipe, the powder suction pipe further facilitates the powder suction treatment of the processed product of the printer equipment through the powder suction pipe, and a discharge pipe at the bottom of the powder storage box is communicated with a feeding cylinder of a powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe; set up the valve through the surface of arranging the material pipe, convenient operation controls metal powder flux, still is convenient for to storing up the metal powder recovery processing that the powder incasement was collected, can also utilize row material pipe switch-on printer to store up the powder jar and then realize cyclic utilization, this simple structure, convenient and practical effectively practices thrift product manufacturing cost, avoids expensive metal powder's waste.
According to the powder screening machine, the second motor, the first sieve plate, the second sieve plate, the rotating block, the rotating rod, the threaded rod, the moving block, the connecting block and the material pushing plate are used, so that the screening effect of metal powder is remarkably improved, the screening efficiency is improved, unqualified metal powder is conveniently pushed out, and the practicability is higher; the problem of among the prior art the screening effect of powder shifter not good and inconvenient take out unqualified metal powder is solved.
1. This powder shifter, through second motor, second sieve, commentaries on classics piece and bull stick, can improve the screening effect of metal powder, improve the efficiency of screening, avoid appearing the phenomenon of jam, can smash the screening to the metal powder of caking, functional stronger, the metal powder that makes the screening is more meticulous.
2. This powder shifter through threaded rod, movable block, connecting block and scraping wings, conveniently releases unqualified metal powder, need not operating personnel and carries out manual the picking up out, reduces operating personnel's working strength, improves operating personnel's work efficiency, and improves the work efficiency of powder shifter, and the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the powder supplementing and scraping integrated device according to the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the powder supplementing and scraping integrated device of the present invention;
FIG. 4 is a partial enlarged view of FIG. 3-A of the powder supplementing and scraping integrated device of the present invention;
FIG. 5 is a partially enlarged view of FIG. 3-B of the powder supplementing and scraping integrated device of the present invention;
FIG. 6 is a partial enlarged view of FIG. 3-C of the powder supplementing and scraping integrated device of the present invention;
FIG. 7 is a side sectional view of the overall structure of the powder supplementing and scraping integrated device of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7-D of the powder supplementing and scraping integrated device of the present invention;
FIG. 9 is a sectional view of a raw material box, a rolling shaft, a first secondary roller and a second secondary roller of the integrated powder supplementing and scraping device;
fig. 10 is a schematic diagram of a partition plate structure of the integrated powder supplementing and scraping device.
FIG. 11 is a schematic structural view of the powder sucking device according to the present invention;
FIG. 12 is a rear view of the powder suction device according to the present invention;
FIG. 13 is an enlarged view of the area S of FIG. 12 in accordance with the present invention;
FIG. 14 is a sectional view of a powder storage box of the powder suction device according to the present invention;
FIG. 15 is a schematic view of the powder sifter of the present invention;
FIG. 16 is a top view of the sifter of the present invention;
fig. 17 is a schematic view of a connection structure of a first sieve plate and a second motor of the powder sieving machine according to the invention;
fig. 18 is a schematic view of the internal structure of the powder screening box of the powder screening machine of the invention.
In the figure: 1. a powder screening machine; 2. a powder suction device; 3. a powder feeding pipe; 4. a vacuum conveyor; 6. a powder supplementing and scraping integrated device;
61. a body; 62. a drawer; 63. a first handle; 64. a box door; 65. a second handle; 66. an exhaust fan; 67. a heat sink; 68. a laser module; 69. protective glasses; 610. a guide rail; 611. a sliding plate; 612. a roller; 613. a first motor; 614. a first pulley; 615. a raw material tank; 616. a second motor; 617. a second pulley; 618. a partition plate; 619. a work table; 620. a seal ring; 621. a support pillar; 622. pushing the plate; 623. a support plate; 624. a first cylinder; 625. a recovery channel; 626. a first belt; 627. a first sub-roll; 628. a roller; 629. a first gear; 630. a second gear; 631. a first fixed seat; 632. a second sub-roll; 633. a semicircular valve shaft; 634. a third belt pulley; 635. a second fixed seat; 636. a fourth pulley; 637. a second belt; 638. a second cylinder; 639. a print box;
21. a support plate; 22. a powder storage box; 23. an exhaust pipe; 24. a support; 25. a fixed block; 26. a sleeve; 27. screwing parts; 28. a loop bar; 29. an adjustment hole; 210. connecting blocks; 211. a pin; 212. a limiting block; 213. a connecting disc; 214. a powder suction pipe; 215. a powder suction port; 216. a support block; 217. a negative pressure fan; 218. a hose; 219. a box door; 220. a discharge pipe; 221. and (4) a valve.
11. A powder sieving box; 12. a vibration motor; 13. a fixed block; 14. a joining block; 15. a telescopic rod; 16. a spring; 17. a support column; 18. a material guiding box; 19. a powder outlet pipe; 110. an electromagnetic valve; 111. a clamping block; 112. a baffle plate; 113. a handle; 114. a baffle; 115. a feeding cylinder; 116. a first motor; 117. a driving wheel; 118. a belt; 119. a cushion pad; 120. a driven wheel; 121. a second screen deck; 122. rotating the block; 123. a rotating rod; 124. a second motor; 125. a carrier plate; 126. fixing a column; 127. a flow guide block; 128. a threaded rod; 129. a moving block; 130. a guide bar; 131. connecting blocks; 132. a material pushing plate; 133. a first screen deck; 134. a discharge outlet.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 18, a base shaft type metal 3D printing device comprises a powder supplementing and scraping integrated device, a powder absorbing device and a powder sieving machine;
a drawer of the powder supplementing and scraping integrated device is communicated with a powder suction port of the powder suction device through a powder feeding pipe;
a discharge pipe of the powder suction device is communicated with a feeding cylinder of the powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe;
the powder supplementing and scraping integrated device comprises a machine body, wherein the outer wall of the machine body is rotatably connected with a box door, the outer wall of the box door is fixedly connected with a second handle, the inner side of the machine body is fixedly connected with a partition plate, the inner wall of the partition plate is provided with a recovery channel, the upper surface of the partition plate is fixedly connected with a second air cylinder, the inner side of the machine body is fixedly connected with a guide rail, the top of the machine body is fixedly connected with an exhaust fan, a powder recovery assembly, a laser assembly, a powder supplementing and scraping assembly and a lifting assembly are arranged inside the machine body, the powder recovery assembly and the powder supplementing and scraping assembly are slidably connected with the machine body, the laser assembly is fixedly connected with the machine body, and the lifting assembly is fixedly connected with the partition plate;
the powder suction device comprises a support plate, a powder storage box is fixedly connected to the top of the support plate, a support is fixedly connected to the bottom of the support plate, a fixed block is fixedly connected to one side of the support, a sleeve is fixedly connected to the surface of the top of the fixed block, a twisting part is arranged on the surface of the sleeve, a sleeve rod is connected to the inner wall of the sleeve in a sliding mode, a connecting block is fixedly connected to the top of the sleeve rod, a pin bolt is connected to the surface of the connecting block in a rotating mode, a limiting block is fixedly connected to one end of the pin bolt, a connecting disc is fixedly connected to the other end of the pin bolt, a powder suction pipe is connected to the surface of the connecting disc in a rotating mode through a rotating shaft, a powder suction port is fixedly connected to the surface of the powder suction pipe, a negative pressure fan is fixedly connected to the top of the powder storage box, a hose is fixedly connected to the surface of one side of the negative pressure fan, and a powder suction pipe is fixedly connected to the end of the hose, the bottom of storing up the powder case runs through backup pad fixedly connected with and arranges the material pipe, the surface of arranging the material pipe is provided with the valve.
The powder sieving machine comprises a powder sieving box, wherein vibrating motors are fixedly connected on the front side wall and the rear side wall of the powder sieving box, two fixed blocks are fixedly connected on the front side wall and the rear side wall of the powder sieving box, the lower sides of the fixed blocks are respectively provided with a linking block, the linking block is fixedly connected with the fixed blocks through a telescopic rod, springs are sleeved outside the telescopic rods, the top ends of the springs are fixedly connected with the fixed blocks, the bottom ends of the springs are fixedly connected with the linking blocks, the lower end faces of the linking blocks are fixedly connected with supporting columns, the lower end faces of the powder sieving box are fixedly connected with a powder guiding box, the lower end faces of the powder guiding box are fixedly connected with a powder outlet pipe, an electromagnetic valve is fixedly mounted on the powder outlet pipe, one side wall of the powder sieving box is provided with a discharging port, clamping blocks are fixedly arranged on the two sides of the discharging port, a baffle plate is arranged in the clamping blocks, and handles are fixedly connected on the side walls of the baffle plate, a first sieve plate is fixedly arranged in the powder sieving box, a threaded rod is arranged on the upper side of the first sieve plate and is rotationally connected with the powder sieving box, one end of the threaded rod penetrates through the powder sieving box and is coaxially and fixedly connected with a driven wheel, a first motor is fixedly connected with the upper end face of the powder sieving box, a driving end of the first motor is fixedly connected with a driving wheel, the driving wheel is in transmission connection with the driven wheel through a belt, a moving block is in threaded connection with the threaded rod, two guide holes are symmetrically arranged on the moving block, guide rods are respectively matched and arranged in the two guide holes, two ends of each guide rod are respectively fixedly connected with the inner wall of the powder sieving box, a material pushing plate is fixedly connected with the moving block through a connecting block, a feeding cylinder is fixedly connected with the upper end face of the powder sieving box, a second sieve plate is fixedly connected in the feeding cylinder, and a second motor is fixedly connected with the lower end face of the second sieve plate, the driving end of the second motor penetrates through the second sieve plate and is coaxially and fixedly connected with a rotating block, and a rotating rod is fixedly connected to the side wall of the rotating block.
Example 2:
as shown in fig. 1 to 18, a base shaft type metal 3D printing device comprises a powder supplementing and scraping integrated device, a powder absorbing device and a powder sieving machine;
a drawer of the powder supplementing and scraping integrated device is communicated with a powder suction port of the powder suction device through a powder feeding pipe;
a discharge pipe of the powder suction device is communicated with a feeding cylinder of the powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe;
referring to fig. 2-10, the powder supplementing and scraping integrated device comprises a machine body, wherein a box door is rotatably connected to the outer wall of the machine body, a second handle is fixedly connected to the outer wall of the box door, a partition plate is fixedly connected to the inner side of the machine body, a recovery channel is formed in the inner wall of the partition plate, a second air cylinder is fixedly connected to the upper surface of the partition plate, a guide rail is fixedly connected to the inner side of the machine body, an exhaust fan is fixedly connected to the top of the machine body, a powder recovery assembly, a laser assembly, a powder supplementing and scraping assembly and a lifting assembly are arranged inside the machine body, the powder recovery assembly and the powder supplementing and scraping assembly are in sliding connection with the machine body, the laser assembly is fixedly connected with the machine body, and the lifting assembly is fixedly connected with the partition plate.
Referring to fig. 11-14, the powder absorbing device of the invention comprises a support plate, a powder storage box is fixedly connected to the top of the support plate, a support is fixedly connected to the bottom of the support plate, a fixed block is fixedly connected to one side of the support, a sleeve is fixedly connected to the top surface of the fixed block, a twisting member is arranged on the surface of the sleeve, a sleeve rod is slidably connected to the inner wall of the sleeve, a connecting block is fixedly connected to the top of the sleeve rod, a pin bolt is rotatably connected to the surface of the connecting block, a limit block is fixedly connected to one end of the pin bolt, a connecting disc is fixedly connected to the other end of the pin bolt, a powder absorbing pipe is rotatably connected to the surface of the connecting disc through a rotating shaft, a powder absorbing port is fixedly connected to the surface of the powder absorbing pipe, a negative pressure fan is fixedly connected to the top of the powder storage box, a hose is fixedly connected to the surface of one side of the negative pressure fan, a powder absorbing pipe is fixedly connected to the end of the hose, and a discharging pipe is fixedly connected to the bottom of the powder storage box through the support plate, the surface of the discharge pipe is provided with a valve.
In the embodiment, the powder suction device is characterized in that a negative pressure fan is started, the negative pressure fan is connected with a hose, the hose is connected with a powder suction pipe, a powder suction port on the surface of the powder suction pipe is used for sucking powder of a processed product, residual metal powder on the surface is recovered to the inside of a powder storage box for storage, a screwing piece on the surface of a sleeve is manually rotated to correspond to an adjusting hole on the surface of a sleeve rod, the height of the powder suction pipe is conveniently adjusted, the powder suction pipe horizontally rotates to extend out corresponding to printer equipment, the powder suction pipe is further convenient for sucking powder of the product processed by the printer equipment, and a discharge pipe at the bottom of the powder storage box is communicated with a feeding cylinder of a powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe; set up the valve through the surface of arranging the material pipe, convenient operation controls metal powder flux, still is convenient for to storing up the metal powder recovery processing that the powder incasement was collected, can also utilize row material pipe switch-on printer to store up the powder jar and then realize cyclic utilization, this simple structure, convenient and practical effectively practices thrift product manufacturing cost, avoids expensive metal powder's waste.
Referring to fig. 15-18, the powder sieving machine of the present invention includes a powder sieving box, a vibrating motor is fixedly connected to the front and rear side walls of the powder sieving box, two fixing blocks are fixedly connected to the front and rear side walls of the powder sieving box, a linking block is arranged at the lower side of the fixing blocks, the linking block is fixedly connected to the fixing blocks through a telescopic rod, springs are sleeved outside the telescopic rod, the top ends of the springs are fixedly connected to the fixing blocks, the bottom ends of the springs are fixedly connected to the linking block, a support column is fixedly connected to the lower end face of the linking block, a powder guiding box is fixedly connected to the lower end face of the powder sieving box, a powder outlet pipe is fixedly connected to the lower end face of the powder guiding box, an electromagnetic valve is fixedly installed on the powder outlet pipe, a discharge opening is formed in one side wall of the powder sieving box, clamping blocks are fixedly arranged at both sides of the discharge opening, a baffle plate is arranged in the clamping block, a handle is fixedly connected to the side wall of the baffle plate, a first sieve plate is fixedly installed in the powder sieving box, the upper side of the first sieve plate is provided with a threaded rod which is rotationally connected with the powder sieving box, one end of the threaded rod penetrates through the powder sieving box and is coaxially and fixedly connected with a driven wheel, the upper end surface of the powder sieving box is fixedly connected with a first motor, the driving end of the first motor is fixedly connected with a driving wheel, the driving wheel is in transmission connection with the driven wheel through a belt, the threaded rod is in threaded connection with a moving block, two guide holes are symmetrically arranged on the moving block, and the guide rods are arranged in the two guide holes in a matched manner, the two ends of the guide rods are fixedly connected with the inner wall of the powder sieving box respectively, the moving block is fixedly connected with a material pushing plate through a connecting block, the upper end face of the powder sieving box is fixedly connected with a feeding cylinder, a second sieve plate is fixedly connected in the feeding cylinder, a second motor is fixedly connected to the lower end face of the second sieve plate, the driving end of the second motor penetrates through the second sieve plate and is coaxially and fixedly connected with a rotating block, and a rotating rod is fixedly connected to the side wall of the rotating block.
In the embodiment, the vibrating motor can vibrate the powder sieving box and the feeding cylinder so as to sieve metal powder, the spring and the telescopic rod can elastically support the powder sieving box so as to sieve the metal powder well, the powder outlet pipe can conveniently discharge the sieved metal powder, the discharge port can conveniently discharge unqualified metal powder, the baffle can conveniently seal the powder sieving box, the handle is convenient for an operator to move the baffle, the driving end of the first motor drives the driving wheel to rotate, the driving wheel can enable the driven wheel to rotate through the belt, the driven wheel rotates to drive the threaded rod to rotate, the rotation of the threaded rod can enable the moving block to move, the pushing plate can move by the movement of the moving block, so that unqualified metal powder can be pushed out of the powder sieving box, the second sieve plate can finely sieve the metal powder, and the driving end of the second motor can drive the rotating block to rotate, the rotating block can drive the rotating rod to rotate, so that the screening efficiency of the metal powder can be improved, and the operation of smashing the metal powder in a caking manner can be realized.
Specifically, the powder recovery assembly comprises a drawer, the drawer is connected inside the machine body in a sliding mode, a first handle is fixedly connected to the outer wall of the drawer, the drawer is arranged below the recovery channel, and redundant powder falls into the drawer through the recovery channel and is conveniently recovered and reused.
Specifically, the laser assembly comprises a radiator, the radiator is fixedly connected to the top of the inner side of the machine body, the laser module is fixedly connected to the lower surface of the radiator, a protective mirror is fixedly connected to the lower surface of the laser module, the radiator is communicated with the exhaust fan, the exhaust fan can remove heat emitted by the laser assembly during operation, and damage to equipment due to overheating is avoided.
Specifically, the powder supplementing and scraping assembly comprises a sliding plate, the sliding plate is connected to the upper side of a guide rail in a rolling manner, rollers are rotatably connected to two sides of the sliding plate, the sliding plate is connected with the guide rail in a rolling manner through the rollers, a first fixed seat and a second fixed seat are fixedly connected to the lower surface of the sliding plate, a rolling shaft and a first auxiliary roller are rotatably connected between the first fixed seat and the second fixed seat, a second auxiliary roller is fixedly connected between the first fixed seat and the second fixed seat, a second motor is fixedly connected to the upper surface of a partition plate, a second belt wheel is fixedly connected to the output end of the second motor, one end of the rolling shaft is fixedly connected with a fourth belt wheel, a second belt is sleeved between the fourth belt wheel and the second belt wheel, a first gear is fixedly connected to the other end of the rolling shaft, a second gear is fixedly connected to one end of the first auxiliary roller, the first gear is meshed with the second gear, a push plate is fixedly connected to the lower surface of the sliding plate, and the push plate is fixedly connected with the extending end of a second air cylinder, promote the push pedal through the second cylinder, drive the sliding plate and carry out the back-and-forth movement, realize mending the powder and scrape the function of powder, the vice roller of second is non-rotating, and all the other roller bearings in close contact with play the effect of scraping the powder when the return stroke.
Concretely, sliding plate inner wall fixedly connected with raw material tank, the first motor of raw material tank top fixedly connected with, the first band pulley of first motor output fixedly connected with, the raw material tank inner wall rotates and is connected with semicircle valve shaft, semicircle valve shaft one end runs through raw material tank outer wall and fixedly connected with third band pulley, the cover is equipped with first belt between first band pulley and the third band pulley, the raw material tank export sets up between roller bearing and first secondary roller, throw the material accuracy, through semicircle valve shaft, can be accurate when need not throw the material close the raw material tank.
Specifically, lifting unit is including printing the case, and printing case fixed connection is at the baffle inner wall, the first cylinder of the inside fixedly connected with of printing case, and first cylinder stretches out the fixedly connected with backup pad, and fixed surface is connected with the support column in the backup pad, support column upper end fixedly connected with workstation, workstation outer wall fixedly connected with sealing washer, and the action that gradually moves down of first cylinder drive workstation.
The working principle of the powder supplementing and scraping integrated device is as follows:
the second cylinder drives the powder supplementing and scraping component to move forwards, the second motor drives the rolling shaft and the first auxiliary roller to rotate, the first motor drives the semicircular valve shaft to rotate, the raw material box is opened, metal powder enters the rolling shaft between the first auxiliary roller from the outlet at the lower end of the raw material box and is extruded by the first auxiliary roller and the rolling shaft and then laid on the workbench, the powder is compact, and no cavity exists;
the metal powder is fully paved on the workbench through the extension of the second cylinder, the first motor drives the semicircular valve shaft to rotate, the raw material box is closed, the metal powder is not put in, the second cylinder retracts to drive the powder supplementing and scraping component to move backwards, the roller shaft sweeps away redundant powder backwards, the metal powder adhered on the roller shaft is scraped by the second auxiliary roller and cannot fall on a rolled area, after the retraction of the second cylinder is completed, the laser component works, after the work of the laser component is completed, the first cylinder drives the workbench to move downwards by one layer, the actions are repeated until the product is printed,
the redundant powder enters the (sealed) drawer through the recovery channel to be recovered;
the raw material box is arranged above the rolling shaft and the first auxiliary roller, and the powder is extruded by rolling between the rolling shaft and the first auxiliary roller after being put in, so that the powder is more compact;
through the semicircle valve shaft that sets up on the raw material tank, under the drive of first motor, can be convenient open and close the raw material tank, avoid continuously throwing the material and cause frequently reinforced.
Through the second auxiliary roller which is arranged above the roller and does not rotate, during return stroke, the roller rolls clockwise on the metal powder plane of the workbench, redundant powder is swept to the recycling channel, the powder stuck on the roller can be scraped by the second auxiliary roller which is in close contact with the roller, and the condition that scattered powder does not fall in the rolled area is ensured.
Specifically, one side fixed surface of storing up the powder case is connected with the blast pipe, and the tip of blast pipe runs through and stores up the powder case and extends to inside fixed connection filter screen.
In this embodiment, set up the filter screen through the blast pipe tip, the separation is filtered to inspiratory metal powder to the convenience, conveniently passes through the carminative effect of blast pipe simultaneously.
Specifically, the surface of loop bar is seted up the regulation hole, and the regulation hole is the equidistant distribution on the surface of loop bar.
In this embodiment, through the setting of regulation hole, conveniently correspond the height that the powder pipe was inhaled in the adjustment of the twisting piece on sleeve surface, improve application scope.
Specifically, the surface of the powder suction pipe is fixedly connected with a powder suction port, and a plurality of powder suction ports are arranged.
In this embodiment, through the setting of inhaling the powder mouth, conveniently inhale the powder effect to the product through a plurality of powder mouths of inhaling increase.
Specifically, the top surface of the connecting block is fixedly connected with a supporting block, and the supporting block is U-shaped.
In this embodiment, through the setting of supporting shoe, conveniently support spacing effect through the supporting shoe to the powder suction pipe when the powder suction pipe withdraws.
Specifically, the surface of the powder storage box is rotatably connected with a box door through a hinge, and the box door is a sealing door.
In this embodiment, through the setting of chamber door, the convenient effect of clearing up is carried out to the inside of storing up the powder case through opening the chamber door.
The working principle and the using process of the powder suction device are as follows:
the bottom of the support plate is connected with the support, the support plate is conveniently supported and fixed, the fixed block is connected with one side of the support, the sleeve is connected with the surface of the fixed block, the sleeve is conveniently and fixedly installed, the device is moved to a proper position beside printer equipment, the twisting part on the surface of the sleeve is manually twisted, the height of the powder suction pipe is conveniently adjusted by corresponding to the adjusting hole on the surface of the sleeve rod, the connecting block is connected with the top of the sleeve rod, the powder suction pipe is rotated and connected with the connecting disc by the powder suction pipe, the connecting disc is connected with the pin bolt by the connecting disc, the rotation on the surface of the connecting block is convenient, the powder suction pipe is further conveniently adjusted to extend out, the powder suction treatment of a processed product is facilitated, the powder suction port is connected with the surface of the powder suction pipe, the powder suction effect is increased, the support block is connected with the surface of the connecting block, the powder suction pipe is conveniently supported and limited by the powder suction pipe when the powder suction pipe is retracted, and the negative pressure fan is started, the negative pressure fan is characterized in that a connecting hose at one side of the negative pressure fan is connected with a powder suction pipe through a hose, so that metal powder absorbed at the powder suction pipe can be conveniently absorbed into a powder storage box, an exhaust pipe is connected with the surface of the powder storage box, the effect on exhaust is convenient, a box door is connected with the surface of the powder storage box, the powder storage box can be conveniently opened, the powder storage box is checked and cleaned of residual powder, the bottom of the powder storage box is connected with a discharge pipe, a valve is arranged on the surface of the discharge pipe, and the discharge pipe at the bottom of the powder storage box is communicated with a feeding cylinder of a powder sieving machine through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe; set up the valve through the surface of arranging the material pipe, convenient operation controls metal powder flux, is convenient for still to store up the metal powder recovery processing of collecting in the powder case, can also utilize row material pipe switch-on printer to store up the powder jar and then realize cyclic utilization.
Specifically, the lower side of the discharge port is provided with a guide plate, and the guide plate is fixedly connected with the powder sieving box.
In this embodiment, the guide plate is convenient to be derived unqualified metal powder, makes things convenient for operating personnel to operate, and the practicality is stronger.
Specifically, the bottom fixedly connected with blotter of support column, and the blotter is the rubber material.
In this embodiment, the blotter can cushion the support column to can reduce the vibration of during operation, can also improve the frictional force on support column and ground, stability is stronger.
Specifically, the upper end face of the rotating block is fixedly connected with a flow guide block, and the flow guide block is conical.
In this embodiment, the water conservancy diversion piece can carry out the water conservancy diversion to metal powder, can make metal powder flow to around to can improve the screening effect of metal powder.
Specifically, the second motor downside is equipped with the loading board, and the loading board passes through fixed column and second sieve fixed connection.
In this embodiment, the loading board can bear the second motor to can improve the stability of second motor, conveniently sieve the metal powder fast, thereby can improve the effect of sieving.
Specifically, the outer surface of the handle is provided with anti-skid grains, and the cross section of the handle is C-shaped.
In this embodiment, the frictional force between operating personnel hand and the handle can be improved to anti-skidding line to make things convenient for operating personnel to remove the baffle through the handle, thereby conveniently release unqualified metal powder.
The working principle and the using process of the powder sieving machine are as follows:
at first start the second motor and carry out work, the drive end drive commentaries on classics piece of second motor rotates, the commentaries on classics piece rotates and drives the bull stick and rotate, drive vibrating motor carries out work simultaneously, then pour the metal powder into in the feed cylinder, second sieve and first sieve carry out dual screening to the metal powder, thereby can improve the effect of screening, when needs shift out unqualified metal powder, operating personnel shifts out the baffle through the handle, then the drive action wheel of first motor rotates, the drive action wheel passes through the belt and makes and rotate from the driving wheel, it rotates to drive the threaded rod from the driving wheel rotation, the rotation of threaded rod makes the movable block remove, the removal of movable block makes the scraping wings remove, thereby release the sieve powder case with unqualified metal powder.
According to the description and the drawings of the invention, the basic shaft type metal 3D printing device can be easily manufactured or used by a person skilled in the art, and the positive effects recorded by the invention can be generated.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a basic shaft type metal 3D printing apparatus which characterized in that: comprises a powder supplementing and scraping integrated device (6), a powder absorbing device (2) and a powder sieving machine (1);
a drawer (62) of the powder supplementing and scraping integrated device (6) is communicated with a powder suction port (215) of the powder suction device (2) through a powder feeding pipe (3);
a discharge pipe (220) of the powder suction device (2) is communicated with a feeding cylinder (115) of the powder sieving machine (1) through a powder feeding pipe (3); a vacuum conveyor (4) is arranged on the powder feeding pipe (3);
the powder supplementing and scraping integrated device comprises a machine body (61), the outer wall of the machine body (61) is rotatably connected with a box door (64), the outer wall of the box door (64) is fixedly connected with a second handle (65), the inner side of the machine body (61) is fixedly connected with a clapboard (618), a recovery channel (625) is arranged on the inner wall of the clapboard (618), a second cylinder (638) is fixedly connected to the upper surface of the clapboard (618), the inner side of the machine body (61) is fixedly connected with a guide rail (610), the top of the machine body (61) is fixedly connected with an exhaust fan (66), the machine body (61) is internally provided with a powder recovery component, a laser component, a powder supplementing and scraping component and a lifting component, the powder recovery assembly and the powder supplementing and scraping assembly are slidably connected with the machine body (61), the laser assembly is fixedly connected with the machine body (61), and the lifting assembly is fixedly connected with the partition plate (618);
the powder suction device comprises a supporting plate (21), a powder storage box (22) is fixedly connected to the top of the supporting plate (21), a support (24) is fixedly connected to the bottom of the supporting plate (21), a fixing block (25) is fixedly connected to one side of the support (24), a sleeve (26) is fixedly connected to the top surface of the fixing block (25), a screwing piece (27) is arranged on the surface of the sleeve (26), a sleeve rod (28) is slidably connected to the inner wall of the sleeve (26), a connecting block (210) is fixedly connected to the top of the sleeve rod (28), a pin bolt (211) is rotatably connected to the surface of the connecting block (210), a limiting block (212) is fixedly connected to one end of the pin bolt (211), a connecting disc (213) is fixedly connected to the other end of the pin bolt (211), and a powder suction pipe (214) is rotatably connected to the surface of the connecting disc (213) through a rotating shaft, the powder suction pipe (214) is fixedly connected with a powder suction port (215) on the surface, the top of the powder storage box (22) is fixedly connected with a negative pressure fan (217), one side surface of the negative pressure fan (217) is fixedly connected with a hose (218), the end part of the hose (218) is fixedly connected with the powder suction pipe (214), the bottom of the powder storage box (22) penetrates through a support plate (21) and is fixedly connected with a discharge pipe (220), and a valve (221) is arranged on the surface of the discharge pipe (220);
the powder shifter comprises a powder sieving box (11), wherein a vibrating motor (12) is fixedly connected to the front side wall and the rear side wall of the powder sieving box (11) respectively, two fixing blocks (13) are fixedly connected to the front side wall and the rear side wall of the powder sieving box (11) respectively, a connecting block (14) is arranged on the lower side of each fixing block (13), the connecting block (14) is fixedly connected with the fixing blocks (13) through a telescopic rod (15), a spring (16) is sleeved outside each telescopic rod (15), the top end of each spring (16) is fixedly connected with the corresponding fixing block (13), the bottom end of each spring (16) is fixedly connected with the connecting block (14), a supporting column (17) is fixedly connected with the lower end face of the connecting block (14), a powder guiding box (18) is fixedly connected with the lower end face of the powder sieving box (11), a powder outlet pipe (19) is fixedly connected with the lower end face of the powder outlet pipe (18), and an electromagnetic valve (110) is fixedly mounted on the powder outlet pipe (19), a discharge hole (134) is formed in one side wall of the powder sieving box (11), clamping blocks (111) are fixedly arranged on two sides of the discharge hole (134), a baffle plate (112) is arranged in the clamping blocks (111), a handle (113) is fixedly connected to the side wall of the baffle plate (112), a first sieve plate (133) is fixedly mounted in the powder sieving box (11), a threaded rod (128) is arranged on the upper side of the first sieve plate (133), the threaded rod (128) is rotatably connected with the powder sieving box (11), one end of the threaded rod (128) penetrates through the powder sieving box (11) and is coaxially and fixedly connected with a driven wheel (120), a first motor (116) is fixedly connected to the upper end face of the powder sieving box (11), a driving wheel (117) is fixedly connected with the driven wheel (120) through a belt (118), and a moving block (129) is in threaded connection with the threaded rod (128), two guide holes are symmetrically formed in the moving block (129), guide rods (130) are arranged in the two guide holes in a matched mode, two ends of each guide rod (130) are fixedly connected with the inner wall of the powder sieving box (11), the moving block (129) is fixedly connected with a material pushing plate (132) through a connecting block (131), the upper end face of each powder sieving box (11) is fixedly connected with a feeding cylinder (115), a second sieve plate (121) is fixedly connected in the feeding cylinder (115), the lower end face of the second sieve plate (121) is fixedly connected with a second motor (124), the driving end of the second motor (124) penetrates through the second sieve plate (121) and is coaxially and fixedly connected with a rotating block (122), and a rotating rod (123) is fixedly connected to the side wall of the rotating block (122);
the powder supplementing and scraping assembly comprises a sliding plate (611), the sliding plate (611) is connected to the upper side of a guide rail (610) in a rolling mode, rollers (612) are connected to two sides of the sliding plate (611) in a rotating mode, the sliding plate (611) is connected with the guide rail (610) in a rolling mode through the rollers (612), a first fixed seat (631) and a second fixed seat (635) are fixedly connected to the lower surface of the sliding plate (611), a rolling shaft (628) and a first auxiliary roller (627) are connected between the first fixed seat (631) and the second fixed seat (635) in a rotating mode, a second auxiliary roller (632) is fixedly connected between the first fixed seat (631) and the second fixed seat (635), a second motor (616) is fixedly connected to the upper surface of a partition plate (618), a second belt wheel (617) is fixedly connected to the output end of the second motor (616), and a fourth belt wheel (636) is fixedly connected to one end of the rolling shaft (628), a second belt (637) is sleeved between the fourth belt wheel (636) and the second belt wheel (617), a first gear (629) is fixedly connected to the other end of the rolling shaft (628), a second gear (630) is fixedly connected to one end of the first secondary roller (627), the first gear (629) is meshed with the second gear (630), a push plate (622) is fixedly connected to the lower surface of the sliding plate (611), and the push plate (622) is fixedly connected with the extending end of the second cylinder (638);
the inner wall of the sliding plate (611) is fixedly connected with a raw material box (615), the top of the raw material box (615) is fixedly connected with a first motor (613), the output end of the first motor (613) is fixedly connected with a first belt wheel (614), the inner wall of the raw material box (615) is rotatably connected with a semicircular valve shaft (633), one end of the semicircular valve shaft (633) penetrates through the outer wall of the raw material box (615) and is fixedly connected with a third belt wheel (634), and a first belt (626) is sleeved between the first belt wheel (614) and the third belt wheel (634).
2. The base shaft metallic 3D printing apparatus of claim 1, wherein: the powder recycling assembly comprises a drawer (62), the drawer (62) is slidably connected inside the machine body (61), a first handle (63) is fixedly connected to the outer wall of the drawer (62), and the drawer (62) is arranged below the recycling channel (625).
3. The base shaft metallic 3D printing apparatus of claim 1, wherein: the laser assembly comprises a radiator (67), the radiator (67) is fixedly connected to the inner side top of the machine body (61), the lower surface of the radiator (67) is fixedly connected with a laser module (68), the lower surface of the laser module (68) is fixedly connected with a protective glass (69), and the radiator (67) is communicated with an exhaust fan (66).
4. The base shaft metallic 3D printing apparatus of claim 1, wherein: lifting unit is including printing case (639), print case (639) fixed connection at baffle (618) inner wall, print the first cylinder (624) of the inside fixedly connected with of case (639), first cylinder (624) stretches out fixedly connected with backup pad (623), fixed surface is connected with support column (621) on backup pad (623), support column (621) upper end fixedly connected with workstation (619), workstation (619) outer wall fixedly connected with sealing washer (620).
5. The base shaft metallic 3D printing apparatus of claim 1, wherein: an exhaust pipe (23) is fixedly connected to the surface of one side of the powder storage box (22), and the end part of the exhaust pipe (23) penetrates through the powder storage box (22) and extends to the inside to be fixedly connected with a filter screen;
the surface of the loop bar (28) is provided with adjusting holes (29), and the adjusting holes (29) are distributed on the surface of the loop bar (28) at equal intervals;
the surface of the powder suction pipe (214) is fixedly connected with a powder suction port (215), and a plurality of powder suction ports (215) are arranged;
the top surface of the connecting block (210) is fixedly connected with a supporting block (216), and the supporting block (216) is U-shaped.
6. The base shaft metallic 3D printing apparatus of claim 1, wherein: the surface of the powder storage box (22) is rotatably connected with a box door (219) through a hinge, and the box door (219) is a sealing door.
7. The base shaft metallic 3D printing apparatus of claim 1, wherein: the downside of bin outlet (134) is equipped with guide plate (114), and guide plate (114) and sieve powder case (11) fixed connection.
8. The base shaft metallic 3D printing apparatus of claim 1, wherein: the bottom end of the supporting column (17) is fixedly connected with a cushion pad (119), and the cushion pad (119) is made of rubber;
the upper end face of the rotating block (122) is fixedly connected with a flow guide block (127), and the flow guide block (127) is conical;
a bearing plate (125) is arranged on the lower side of the second motor (124), and the bearing plate (125) is fixedly connected with the second sieve plate (121) through a fixing column (126);
the outer surface of the handle (113) is provided with anti-slip grains, and the cross section of the handle (113) is C-shaped.
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| CN202011454342.2A CN112589125B (en) | 2020-12-10 | 2020-12-10 | Base shaft type metal 3D printing equipment |
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| CN202011454342.2A CN112589125B (en) | 2020-12-10 | 2020-12-10 | Base shaft type metal 3D printing equipment |
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| CN112589125A CN112589125A (en) | 2021-04-02 |
| CN112589125B true CN112589125B (en) | 2022-08-30 |
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| CN214557409U (en) * | 2020-12-10 | 2021-11-02 | 浙江意动科技股份有限公司 | Base shaft type metal 3D printing equipment |
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| DE102015222100A1 (en) * | 2015-11-10 | 2017-05-11 | Eos Gmbh Electro Optical Systems | Coating unit, apparatus and method for producing a three-dimensional object |
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| CN105562687A (en) * | 2014-10-10 | 2016-05-11 | 南京理工大学 | Selective laser melting powder sending and laying device used for compounding of different types of powder |
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