阅读说明：本技术 一种基轴式金属3d打印机用打印后收粉处理装置 (Base shaft type metal 3D printer is with receiving powder processing apparatus after printing ) 是由 韩品连 于 2020-12-10 设计创作，主要内容包括：本发明公开了一种基轴式金属3D打印机用打印后收粉处理装置,包括吸粉装置和筛粉机；所述吸粉装置的储粉缸通过送粉管与筛粉机的套筒相连通；所述送粉管上设有真空输送机。本发明的基轴式金属3D打印机用打印后收粉处理装置结构简单,使用方便,可将金属粉末进行回收或将某处的金属粉末吸至筛粉机中进行筛分,且还可进行暂存、输送、筛分、存储等。(The invention discloses a post-printing powder collecting and processing device for a base shaft type metal 3D printer, which comprises a powder sucking device and a powder sieving machine, wherein the powder sucking device is arranged on the base shaft type metal 3D printer; the powder storage cylinder of the powder suction device is communicated with the sleeve of the powder sieving machine through a powder feeding pipe; and a vacuum conveyor is arranged on the powder feeding pipe. The post-printing powder collecting and processing device for the base shaft type metal 3D printer is simple in structure and convenient to use, can be used for recovering metal powder or absorbing the metal powder at a certain position into the powder sieving machine for sieving, and can also be used for temporary storage, conveying, sieving, storage and the like.)

1. The utility model provides a base shaft type metal 3D printer receives powder processing apparatus after printing which characterized in that: comprises a powder suction device (2) and a powder sieving machine (1);

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 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 surface of the top 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, 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 screening machine comprises a powder screening box (11), vibration motors (12) are fixedly connected to the front side wall and the rear side wall of the powder screening box (11), two fixing blocks (13) are fixedly connected to the front side wall and the rear side wall of the powder screening box (11), 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), springs (16) are sleeved outside the telescopic rods (15), the top ends of the springs (16) are fixedly connected with the fixing blocks (13), the bottom ends of the springs (16) are fixedly connected with the connecting block (14), supporting columns (17) are fixedly connected to the lower end faces of the connecting blocks (14), a powder guiding box (18) is fixedly connected to the lower end faces of the powder screening box (11), a powder outlet pipe (19) is fixedly connected to the lower end faces of the powder guiding box (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), the powder sieving machine is characterized in that 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), a second motor (124) is fixedly connected to the lower end face of the second sieve plate (121), 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).

2. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: store up one side fixed surface of whitewashed case (22) and be connected with blast pipe (23), the tip of blast pipe (23) runs through and stores up whitewashed case (22) and extends to inside fixed connection filter screen.

3. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: adjusting holes (29) are formed in the surface of the sleeve rod (28), and the adjusting holes (29) are distributed on the surface of the sleeve rod (28) at equal intervals.

4. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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.

5. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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 post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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 post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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 post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: the bottom fixedly connected with blotter (119) of support column (17), and blotter (119) are the rubber material.

9. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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.

10. The post-printing powder collecting and processing device for the base shaft type metal 3D printer according to claim 1, characterized in that: 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-skid grains, and the cross section of the handle (113) is C-shaped.

Technical Field

The invention relates to the technical field of 3D printing equipment, in particular to a post-printing powder receiving processing device for a base shaft type metal 3D printer.

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.

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 equipment that corresponds regulation and control.

Furthermore, 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 post-printing powder receiving processing device for a base shaft type metal 3D printer, which can effectively solve the problems.

Disclosure of Invention

The invention aims to provide a post-printing powder receiving processing device for a base shaft type metal 3D printer. The post-printing powder collecting and processing device for the base shaft type metal 3D printer is simple in structure and convenient to use, can be used for recovering metal powder or absorbing the metal powder at a certain position into the powder sieving machine for sieving, and can also be used for temporary storage, conveying, sieving, storage and the like.

The invention is realized by the following technical scheme:

a base shaft type metal 3D printer is with receiving powder processing apparatus after printing, including inhaling powder device and powder shifter;

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 suction device comprises a support plate, the top of the support plate is fixedly connected with a powder storage box, the bottom of the support plate is fixedly connected with a support, one side of the support is fixedly connected with a fixed block, the top surface of the fixed block is fixedly connected with a sleeve, the surface of the sleeve is provided with a twisting part, the inner wall of the sleeve is connected with a loop bar in a sliding manner, the top of the loop bar is fixedly connected with a connecting block, the surface of the connecting block is connected with a pin bolt in a rotating manner, one end of the pin bolt is fixedly connected with a limiting block, the other end of the pin bolt is fixedly connected with a connecting disc, the surface of the connecting disc is connected with a powder suction pipe in a rotating manner through a rotating shaft, the surface of the powder suction pipe is fixedly connected with a powder suction port, the top of the powder storage box is fixedly connected, 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, 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, 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 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 preferred technical scheme of the invention, the surface of the powder suction pipe is fixedly connected with a plurality of powder suction ports.

As a preferred 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 preferred technical scheme of the present invention, a bearing plate is disposed under the second motor, and the bearing plate is fixedly connected to 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 post-printing powder collecting and processing device for the base shaft type metal 3D printer is simple in structure and convenient to use, can be used for recovering metal powder or absorbing the metal powder at a certain position into the powder sieving machine for sieving, and can also be used for temporary storage, conveying, sieving, storage and the like.

The powder suction device disclosed by the invention has the advantages that the negative pressure fan is started, the negative pressure fan is connected with the hose, the hose is connected with the powder suction pipe, the powder suction port on the surface of the powder suction pipe is utilized to suck powder of a processed product, the residual metal powder on the surface is recovered to the interior of the powder storage box to be stored, and the discharge pipe at the bottom of the powder storage box is communicated with the feeding cylinder of the powder sieving machine through the 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; 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, 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 structural view of the powder sucking device according to the present invention;

FIG. 3 is a rear view of the powder suction device of the present invention;

FIG. 4 is an enlarged view of the area S of FIG. 3 according to the present invention;

FIG. 5 is a sectional view of a powder storage box of the powder suction device according to the present invention;

FIG. 6 is a schematic structural view of the powder screening machine according to the present invention;

FIG. 7 is a top view of the powder sifter of the present invention;

FIG. 8 is a schematic view of a connection structure between a first screen plate and a second motor of the powder sieving machine according to the present invention;

fig. 9 is a schematic diagram of the internal structure of the powder sieving box of the powder sieving 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;

in the figure: 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 pillar; 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 9, a post-printing powder collecting and processing device for a base shaft type metal 3D printer comprises a powder absorbing device and a powder sieving machine;

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 suction device comprises a support plate, the top of the support plate is fixedly connected with a powder storage box, the bottom of the support plate is fixedly connected with a support, one side of the support is fixedly connected with a fixed block, the top surface of the fixed block is fixedly connected with a sleeve, the surface of the sleeve is provided with a twisting part, the inner wall of the sleeve is connected with a loop bar in a sliding manner, the top of the loop bar is fixedly connected with a connecting block, the surface of the connecting block is connected with a pin bolt in a rotating manner, one end of the pin bolt is fixedly connected with a limiting block, the other end of the pin bolt is fixedly connected with a connecting disc, the surface of the connecting disc is connected with a powder suction pipe in a rotating manner through a rotating shaft, the surface of the powder suction pipe is fixedly connected with a powder suction port, the top of the powder storage box is fixedly connected, 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, 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, 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 9, a post-printing powder collecting and processing device for a base shaft type metal 3D printer comprises a powder absorbing device and a powder sieving machine;

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. 2-5, 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, 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. 6-9, the powder sieving machine of the present invention comprises a powder sieving box, wherein the front and rear side walls of the powder sieving box are both fixedly connected with a vibrating motor, the front and rear side walls of the powder sieving box are both fixedly connected with two fixed blocks, the lower sides of the fixed blocks are both provided with a linking block, the linking block is fixedly connected with the fixed blocks through a telescopic rod, the telescopic rod is externally sleeved with a spring, 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 material guiding box, the lower end face of the material guiding box is fixedly connected with a powder outlet pipe, the powder outlet pipe is fixedly provided with an electromagnetic valve, one side wall of the powder sieving box is provided with a material outlet, two sides of the material outlet are both fixedly, 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, 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 has 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 effect of conveniently clearing up 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 device is moved to a proper position beside printer equipment, a twisting part on the surface of the sleeve is manually twisted to correspond to an adjusting hole on the surface of a sleeve rod, the height of a powder suction pipe is conveniently adjusted, a connecting block is connected through the top of the sleeve rod, the powder suction pipe is rotated and is connected with a connecting disc through the powder suction pipe, the powder suction pipe is conveniently rotated on the surface of the connecting block through the connecting disc and is conveniently adjusted to extend out, powder suction treatment is conveniently carried out on a processed product, a powder suction port is connected through the surface of the powder suction pipe, the powder suction effect is increased, a supporting block is connected through the surface of the connecting block, the effect of supporting and limiting the powder suction pipe when the powder suction pipe is conveniently withdrawn is realized, and a 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 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 end drive action wheel of first motor rotates, the action wheel passes through the belt and makes and rotate from the driving wheel, it rotates to rotate the drive threaded rod from the driving wheel, the rotation of threaded rod makes the movable block move, the removal of movable block makes the scraping wings move, thereby release the powder box with unqualified metal powder.

According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the powder receiving processing device after printing for the basic shaft type metal 3D printer, and can generate the positive effects recorded by the invention.

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 specific cases to those skilled 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.