CN213888045U

CN213888045U - 3D printer sand removal gets a device

Info

Publication number: CN213888045U
Application number: CN202022303443.1U
Authority: CN
Inventors: 赵彬; 刘江博闻; 樊一扬
Original assignee: Dengzhou Kang Shuo Intelligent Manufacturing Co ltd
Current assignee: KANGSHUO ELECTRIC GROUP CO.,LTD.
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-06
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a 3D printer sand removal gets a device belongs to 3D printer auxiliary assembly technical field, which comprises a base, the right side top fixed mounting of base has motor A, motor A's power take off end rotates and is connected with motor B, motor B's power take off end rotates and is connected with the threaded rod, the outside threaded connection of threaded rod has the thread bush, the outside of thread bush is rotated and is connected with the bearing housing, the one end of the below fixedly connected with connecting rod of bearing housing, motor A's the inboard one end that is connected with the slide bar that rotates in below, the other end fixed mounting of connecting rod has the slider. The utility model discloses an install to press from both sides and get device and slide bar, be convenient for carry out quick fixed clamp to the printing finished product of equidimension not and get, improved follow-up piece efficiency of getting to can clear up the inside printing sand in printing finished product gap, improve the quality of product.

Description

3D printer sand removal gets a device

Technical Field

The utility model relates to a 3D printer auxiliary assembly technical field especially relates to a 3D printer sand removal gets a device.

Background

Three-dimensional printing (3DP), one of the rapid prototyping technologies, is a technology for constructing an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology is applied to the fields of jewelry, shoes, industrial design, building, engineering and construction (AEC), automobiles, aerospace, dentistry and medical industry, education, geographic information systems, civil engineering and other fields, but after the existing sand mold 3D printer is used for printing, the finished product is different in size, the printed finished product is not convenient to take out, meanwhile, the residual printing sand on the surface of the printed finished product is also not convenient to remove, the quality and subsequent use are influenced, and in order to solve the problems, a 3D printer sand cleaning and taking device is disclosed.

The patent No. CN202010632519.7 discloses a sand-removing and piece-taking device of a D printer in the technical field of auxiliary equipment of 3D printers, which comprises a bottom plate, wherein a support is arranged on the right side of the top end of the bottom plate, a top plate is arranged on the top of the support, a printing device is arranged in the middle of the bottom surface of the top plate, and a sliding groove is transversely formed in the top end of the bottom plate, when the device is used, a printing base is positioned on the right side of the sliding groove to perform a printing process, after the printing is finished, the printing base moves to the lower side of a cover body under the action of screw rod transmission, the cover body moves downwards through an electric telescopic rod to cover a finished product object, then high-pressure gas is used for flushing sand on the finished product through a gas injection pipe, so that fine sand remained on the finished product is fully blown down, then the cover body moves upwards to reset, a printing table is turned over, the surface of the printing table is impacted through high-pressure gas, so that the fine sand on the surface of the printing table is fully cleaned down into a sand collecting box, and the invention greatly improves the effect of cleaning the fine sand of the finished 3D printed product, the surface quality of the finished product is ensured.

The device has the following disadvantages when in use: 1. after the device finishes printing, the finished products are inconvenient to take out due to different sizes of the finished products, so the improvement is needed; 2. when the device is used, residual printing sand on the surface of a printed product is inconvenient to remove, the quality and subsequent use are affected, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a 3D printer sand removal and taking device, which aims to solve the problems that after the prior 3D printer sand removal and taking device finishes printing, the finished product is inconvenient to take out due to different sizes of the finished product after the printing is finished by installing a motor A, a motor B, a limiting rod, an electric telescopic rod, a sliding rod, a clamping device, an air pump, a corrugated pipe, a sliding buckle, a cleaning nozzle and a collecting box, the motor A is provided with the motor B, the limiting rod, the limiting groove, the threaded rod, the connecting rod, the electric telescopic rod, the sliding rod and the clamping device, after the 3D printer prints, the motor A is electrified by an external power supply at the moment, the motor B outside is driven to rotate by the working rotation of the motor A, the limiting rod below the motor B rotates in the limiting groove at the same time, the motor B is prevented from offsetting, the stability and the use effect are improved, and the motor B moves horizontally, when the clamping device rotates to the position above the 3D printer, the motor B is powered on through an external power supply at the moment, the motor B works and rotates to drive the threaded rod on the outer side to rotate, the threaded rod drives the threaded sleeve on the outer side to rotate and move when rotating, the threaded sleeve drives the bearing sleeve on the outer side to rotate along with the threaded rod, the connecting rod below the outer side is driven to move along with the threaded sleeve when rotating, the sliding block below the connecting rod slides inside the sliding rod to limit the rotation of the bearing sleeve and prevent the rotation along with the threaded sleeve, so that the sliding block below the connecting rod is driven to transversely move outside the sliding rod, the positions of the electric telescopic rod and the clamping device below the electric telescopic rod are adjusted, the motor C inside the clamping device is powered on through the external power supply, the motor C is powered on to rotate to drive the outer gear to rotate, the gear on the outer side is driven to move by the gear, the gear slides inside the moving groove and the sliding cavity, and drives the clamping plate to transversely move below the clamping device, the clamping plates on the two sides move relatively to clamp the printed finished product, then the printed finished product is placed above the base, the clamping of the processed finished product with different pairs of sizes is met, the applicability of the device is improved, the existing 3D printer sand cleaning and taking device is inconvenient to remove the residual printing sand on the surface of the printed finished product when in use, the quality and the subsequent use are affected, through the arrangement of an air pump, a corrugated pipe, a sliding buckle, a cleaning sprayer and a collecting box, when the printed finished product is clamped above the base by the clamping device, the printing sand in a gap of the printed finished product needs to be cleaned, at the moment, the air pump is powered on through an external power supply, a driving air pump crankshaft in the air pump works, the driving piston pump sends air into an air storage tank, and finally, the air enters the corrugated pipe through an air outlet pressure regulating valve and finally enters the cleaning sprayer, the cleaning shower nozzle is installed and is being got the device below at the clamp, gets the device by the clamp and puts down and print the finished product after, can adjust simultaneously and get the position of getting the device, carries out comprehensive clearance to the printing finished product of base top, has improved the clearance effect, and the printing sand of final clearance drops to the inside collection processing that unifies of collecting of the collecting box of base below, has improved the effect and the efficiency of clearance.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of D printer sand removal gets a device, which comprises a base, the right side top fixed mounting of base has motor A, motor A's power take off end rotates and is connected with motor B, motor B's power take off end rotates and is connected with the threaded rod, the outside threaded connection of threaded rod has the thread bush, the outside of thread bush is rotated and is connected with the bearing housing, the one end of the below fixedly connected with connecting rod of bearing housing, motor A's the inboard one end that is connected with the slide bar that rotates in below, the other end fixed mounting of connecting rod has the slider, and slider slidable mounting is in the outside of slide bar, the one end that is connected with electric telescopic handle can be dismantled to the below of slider, electric telescopic handle's the other end can be dismantled and be connected with the clamp and get the device, the inside both sides slidable mounting who gets the device has splint, the clamp is got the device and is including motor C, press from both sides, Gear, ratch, shifting chute, slip chamber and fixed axle sleeve, the slip chamber has been seted up to the inside of pressing from both sides the device, the shifting chute has been seted up in the left side in slip chamber, the inside sliding connection in slip chamber has the ratch, and the left side sliding mounting of ratch is in the inside of shifting chute, the below outside meshing of ratch is connected with the gear, the inside rotation of gear is connected with motor C, the inside fixed mounting in right side in slip chamber has fixed axle sleeve, and the right side sliding mounting of ratch is in the inside of fixed axle sleeve.

Optionally, the right side bottom fixed mounting of base has the air pump, the one end that is connected with the pipe can be dismantled to the top of air pump, the one end that is connected with the bellows can be dismantled to the other end of pipe, the bellows other end can be dismantled and be connected with the clearance shower nozzle, and clearance shower nozzle demountable installation is in the bottom of pressing from both sides the device.

Optionally, one end of a sliding buckle is detachably mounted on the outer side of the corrugated pipe, and the other end of the sliding buckle is slidably mounted on the outer side of the sliding rod.

Optionally, a limiting groove is formed in the top of the right side of the base, one end of a limiting rod is connected to the inside of the limiting groove in a rotating mode, the other end of the limiting rod is detachably mounted below the motor B, and a collecting box is detachably mounted inside the bottom of the base.

Optionally, the power input ends of the motor a, the motor B, the motor C, the electric telescopic rod and the air pump are electrically connected with the power output end of the external power supply.

The utility model has the advantages as follows:

1. the utility model aims at providing a sand cleaning and taking device of the prior 3D printer, after printing is finished, the printed finished product is inconvenient to take out due to different sizes of the finished product, after the 3D printer is printed, the motor A is electrified through an external power supply at the moment, the motor A rotates to drive the motor B at the outer side to rotate, the limiting rod below the motor B rotates in the limiting groove at the same time, the motor B is prevented from deviating, the stability and the use effect are improved, the motor B moves horizontally, when the motor B rotates to the upper part of the 3D printer, the motor B is electrified through the external power supply at the moment, the motor B rotates to drive the threaded rod at the outer side to rotate, the threaded rod drives the threaded sleeve at the outer side to rotate and move when rotating, the threaded sleeve drives the bearing sleeve at the outer side to rotate along with the rotation, the connecting rod that drives outside below when the bearing housing rotates is followed and is removed, the slider of connecting rod below slides inside the slide bar, rotation to the bearing housing limits, prevent to follow the commentaries on classics, thereby realize driving the slider of connecting rod below at slide bar outside lateral shifting, press from both sides the device position and adjust to the electric telescopic handle of below and press from both sides, the inside motor C circular telegram of pressing from both sides the device is got to the clamp through external power source afterwards, motor C circular telegram work rotates and drives outside gear revolve, gear revolve drives the ratch motion in the outside, the ratch slides at shifting chute and sliding chamber inside, it carries out lateral shifting to drive splint and press from both sides the below of getting the device, both sides splint relative motion, it gets to print the finished product, will print the finished product afterwards and place in the base top, satisfy the finished product of processing of different size right and press from both sides and get, the suitability of device has been improved.

2. The utility model aims at providing a device is got through installing the air pump, the bellows, the thread slipping, clearance shower nozzle and collecting box, current 3D printer sand removal gets a device and is not convenient for detach printing sand remaining on printing finished product surface when using, influence quality and follow-up use, when printing the finished product and press from both sides to get to the base top by pressing from both sides the device clamp, need to clear up the printing sand in the printing finished product gap, at this moment, the air pump circular telegram is passed through the external power, the work of the drive air pump bent axle inside the air pump, drive piston pump sends into the air, the gas gets into the gas holder, give vent to anger through the air-vent valve at last, the gas passes through the pipe and enters the inside of bellows, enter into clearance shower nozzle department at last, the clearance shower nozzle is installed and is got to the device clamp and is got down after printing the finished product by pressing from both sides, can adjust the position of pressing from both sides the device simultaneously, carry out comprehensive clearance to the printing finished product above the base, the cleaning effect is improved, finally cleaned printing sand drops to the inside of the collecting box below the base to be collected and processed in a unified mode, and the cleaning effect and efficiency are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a 3D printer sand removal pick-up device according to an embodiment of the present invention;

fig. 2 is the utility model discloses a 3D printer sand removal gets device's clamp and gets device's schematic structure diagram.

In the figure: 1. a base; 2. cleaning the spray head; 3. a collection box; 4. an air pump; 5. a conduit; 6. a bellows; 7. sliding and buckling; 8. a motor A; 9. a limiting groove; 10. a limiting rod; 11. a motor B; 12. a threaded rod; 13. a bearing housing; 14. a threaded sleeve; 15. a connecting rod; 16. a slider; 17. a slide bar; 18. an electric telescopic rod; 19. a gripping device; 20. a splint; 21. a moving groove; 22. a motor C; 23. a gear; 24. a rack bar; 25. a sliding cavity; 26. and fixing the shaft sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following will describe in detail a 3D printer sand removal pick-up device according to an embodiment of the present invention with reference to fig. 1 to 2.

Referring to fig. 1 and 2, A3D printer sand removing and taking device provided by the embodiment of the present invention comprises a base 1, a motor A8 is fixedly installed above the right side of the base 1, a power output end of the motor A8 is connected with a motor B11 in a rotating manner, a power output end of the motor B11 is connected with a threaded rod 12 in a rotating manner, an outer thread of the threaded rod 12 is connected with a threaded sleeve 14, an outer side of the threaded sleeve 14 is connected with a bearing sleeve 13 in a rotating manner, a lower side of the bearing sleeve 13 is fixedly connected with one end of a connecting rod 15, a lower inner side of the motor A8 is connected with one end of a sliding rod 17 in a rotating manner, a slider 16 is fixedly installed at the other end of the connecting rod 15, the slider 16 is slidably installed at the outer side of the sliding rod 17, an end of an electric telescopic rod 18 is detachably connected below the slider 16, the other end of the electric telescopic rod 18 is detachably clamped and connected with a clamping device 19, the clamping device 19 is provided with clamping plates 20 at two sides in the interior, the clamping device 19 comprises a motor C22, a gear 23, a rack 24, a moving groove 21, a sliding cavity 25 and a fixed shaft sleeve 26, the clamping device 19 is provided with the sliding cavity 25 in the interior, the moving groove 21 is arranged at the left side of the sliding cavity 25, the rack 24 is connected in the sliding cavity 25 in a sliding manner, the left side of the rack 24 is slidably arranged in the moving groove 21, the gear 23 is connected at the outer side below the rack 24 in a meshing manner, the motor C22 is connected in the interior of the gear 23 in a rotating manner, the fixed shaft sleeve 26 is fixedly arranged at the inner part of the right side of the sliding cavity 25, the right side of the rack 24 is slidably arranged in the fixed shaft sleeve 26, after the 3D printer prints, the motor A8 is electrified by an external power supply at the moment, and the motor A8 rotates to drive the motor B11 at the outer side to rotate, the limiting rod 10 below the motor B11 rotates in the limiting groove 9 part at the same time, so that the motor B11 is prevented from deviating, the stability and the use effect are improved, at the moment, the motor B11 moves horizontally, when the motor B rotates to the position above the 3D printer, the motor B11 is electrified through an external power supply, the motor B11 rotates to drive the threaded rod 12 on the outer side to rotate, the threaded rod 12 drives the threaded sleeve 14 on the outer side to rotate and move when rotating, the threaded sleeve 14 drives the bearing sleeve 13 on the outer side to rotate along with the threaded sleeve, the bearing sleeve 13 drives the connecting rod 15 below the outer side to move along with the threaded sleeve, the sliding block 16 below the connecting rod 15 slides inside the sliding rod 17 to limit the rotation of the bearing sleeve 13 and prevent the following rotation, so that the sliding block 16 below the connecting rod 15 is driven to move transversely outside the sliding rod 17, the positions of the electric telescopic rod 18 and the clamping device 19 below are adjusted, and then the motor C22 inside the clamping device 18 is electrified through the external power supply, motor C22 circular telegram work rotates and drives outside gear 23 and rotate, gear 23 rotates and drives the rack bar 24 motion in the outside, rack bar 24 slides in shifting chute 21 and sliding cavity 25 inside, it carries out lateral shifting to drive splint 20 in the below of getting device 19, both sides splint 20 relative motion will print the finished product and press from both sides and get, will print the finished product afterwards and place in base 1 top, satisfy the finished product of processing that different sizes are right and press from both sides and get, the suitability of device has been improved.

Referring to fig. 1 and 2, an air pump 4 is fixedly installed at the bottom of the right side of the base 1, one end of a guide pipe 5 is detachably connected to the upper portion of the air pump 4, one end of a corrugated pipe 6 is detachably connected to the other end of the guide pipe 5, a cleaning nozzle 2 is detachably connected to the other end of the corrugated pipe 6, the cleaning nozzle 2 is detachably installed at the bottom of a clamping device 19, when a printing finished product is clamped to the upper portion of the base 1 by the clamping device 19, printing sand in a gap of the printing finished product needs to be cleaned, at the moment, the air pump 4 is powered on through an external power supply, a driving air pump crankshaft inside the air pump 4 works, a driving piston pump sends air into the air, the air enters an air storage tank, finally, the air is discharged through a pressure regulating valve, the air enters the interior of the corrugated pipe 5 and finally enters the cleaning nozzle 2, and the cleaning nozzle 2 is installed below the clamping device 19, put down by pressing from both sides the device 19 and print the finished product after, can adjust simultaneously and press from both sides the position of pressing from both sides the device 19, carry out comprehensive clearance to the printing finished product of base 1 top, improved the clearance effect, the printing sand of final clearance drops to the inside collection processing that unifies of collecting of 3 collecting boxes of base 1 below, has improved the effect and the efficiency of clearance.

Referring to fig. 1 and 2, one end of a slider 7 is detachably mounted on the outer side of the bellows 6, and the other end of the slider 7 is slidably mounted on the outer side of a slide bar 17.

Referring to fig. 1, a limiting groove 9 is formed in the top of the right side of the base 1, one end of a limiting rod 10 is rotatably connected to the inside of the limiting groove 9, the other end of the limiting rod 10 is detachably mounted below a motor B11, and the collecting box 3 is detachably mounted inside the bottom of the base 1.

Referring to fig. 1 and 2, the power input terminals of the motor A8, the motor B11, the motor C22, the electric telescopic rod 18 and the air pump 4 are electrically connected to the power output terminal of the external power source.

The embodiment of the utility model provides A3D printer sand removal gets a device, after the 3D printer has printed, motor A8 circular telegram through external power source this moment, motor A8 work rotates and drives motor B11 in the outside and rotates, gag lever post 10 below motor B11 rotates 9 parts in the spacing inslot simultaneously, prevent that motor B11 from taking place the skew, stability and result of use have been improved, motor B11 horizontal position removes this moment, when rotating to 3D printer top, motor B11 circular telegram through external power source this moment, motor B11 work rotates and drives the threaded rod 12 in the outside and rotates, threaded rod 12 rotates and drives the threaded sleeve 14 in the outside and rotates and removes, threaded sleeve 14 then drives bearing housing 13 in the outside and follows the rotation, drive connecting rod 15 below the outside and follows the removal when bearing housing 13 rotates, slider 16 below connecting rod 15 slides inside slide bar 17, the rotation of bearing housing 13 is restricted, prevent following and rotate, thereby realize the slider 16 below the driving connecting rod 15 and move laterally outside the sliding rod 17, adjust the electric telescopic rod 18 and the clamping device 19, then electrify the motor C22 inside the clamping device 18 through an external power supply, electrify the motor C22 to rotate and drive the outside gear 23 to rotate, the gear 23 rotates and drives the outside toothed bar 24 to move, the toothed bar 24 slides inside the moving groove 21 and the sliding cavity 25, drive the clamping plate 20 to move laterally below the clamping device 19, the clamping plates 20 on two sides move relatively, clamp the printed finished product, then place the printed finished product above the base 1, meet the requirement of clamping the processed finished product with different size pairs, the applicability of the device is improved, when the printed finished product is clamped above the base 1 by the clamping device 19, the printed sand in the gap of the printed finished product needs to be cleaned, at this moment, the air pump 4 is electrified through an external power supply, the driving air pump crankshaft inside the air pump 4 works, the driving piston pump sends air into the air storage tank, air enters the air storage tank, air is discharged through the pressure regulating valve at last, the air enters the corrugated pipe 6 through the guide pipe 5, the cleaning nozzle 2 is finally arranged below the clamping device 19, after the printing finished product is put down by the clamping device 19, the position of the clamping device 19 can be adjusted, comprehensive cleaning is carried out on the printing finished product above the base 1, the cleaning effect is improved, the finally cleaned printing sand falls to the inside of the collecting box 3 below the base 1 for uniform collection, and the cleaning effect and efficiency are improved.

The utility model relates to a 3D printer sand-cleaning pick-up device, which comprises a base 1; 2. cleaning the spray head; 3. a collection box; 4. an air pump; 5. a conduit; 6. a bellows; 7. sliding and buckling; 8. a motor A; 9. a limiting groove; 10. a limiting rod; 11. a motor B; 12. a threaded rod; 13. a bearing housing; 14. A threaded sleeve; 15. a connecting rod; 16. a slider; 17. a slide bar; 18. an electric telescopic rod; 19. a gripping device; 20. a splint; 21. a moving groove; 22. a motor C; 23. a gear; 24. a rack bar; 25. a sliding cavity; 26. The fixed shaft sleeve and the electrical components are all products in the prior art, a person skilled in the art selects, installs and completes debugging operation of a circuit according to use requirements to ensure that each electrical appliance can normally work, the components are all universal standard components or components known by the person skilled in the art, the structure and the principle of the components are known by the person skilled in the art through technical manuals or conventional experimental methods, and the applicant does not specifically limit the components.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a 3D printer sand removal gets a device, includes base (1), its characterized in that, the right side top fixed mounting of base (1) has motor A (8), the power take off end of motor A (8) rotates and is connected with motor B (11), the power take off end of motor B (11) rotates and is connected with threaded rod (12), the outside threaded connection of threaded rod (12) has thread bush (14), the outside of thread bush (14) rotates and is connected with bearing housing (13), the below fixedly connected with one end of connecting rod (15) of bearing housing (13), the inboard one end that is connected with slide bar (17) of the below of motor A (8) rotates, the other end fixed mounting of connecting rod (15) has slider (16), and slider (16) slidable mounting is in the outside of slide bar (17), the below of slider (16) can be dismantled the one end that is connected with electric telescopic handle (18), the other end of the electric telescopic rod (18) is detachably connected with a clamping device (19), clamping plates (20) are slidably mounted on two sides of the interior of the clamping device (19), the clamping device (19) comprises a motor C (22), a gear (23), a rack bar (24), a moving groove (21), a sliding cavity (25) and a fixed shaft sleeve (26), the sliding cavity (25) is formed in the interior of the clamping device (19), the moving groove (21) is formed in the left side of the sliding cavity (25), the rack bar (24) is slidably connected to the interior of the sliding cavity (25), the left side of the rack bar (24) is slidably mounted in the moving groove (21), the gear (23) is connected to the outer side of the lower portion of the rack bar (24) in a meshed mode, the motor C (22) is rotatably connected to the interior of the gear (23), and the fixed shaft sleeve (26) is fixedly mounted in the right side of the sliding cavity (25), and the right side of the rack bar (24) is slidably arranged in the fixed shaft sleeve (26).

2. The 3D printer sand removal taking device as claimed in claim 1, wherein an air pump (4) is fixedly mounted at the bottom of the right side of the base (1), one end of a guide pipe (5) is detachably connected above the air pump (4), one end of a corrugated pipe (6) is detachably connected at the other end of the guide pipe (5), a cleaning nozzle (2) is detachably connected at the other end of the corrugated pipe (6), and the cleaning nozzle (2) is detachably mounted at the bottom of the clamping device (19).

3. 3D printer sand removal device according to claim 2, characterized in that one end of the slide fastener (7) is detachably mounted on the outer side of the corrugated pipe (6), and the other end of the slide fastener (7) is slidably mounted on the outer side of the slide rod (17).

4. The 3D printer sand removal and removal device according to claim 1, characterized in that a limiting groove (9) is formed in the top of the right side of the base (1), one end of a limiting rod (10) is rotatably connected to the inside of the limiting groove (9), the other end of the limiting rod (10) is detachably mounted below a motor B (11), and the collection box (3) is detachably mounted inside the bottom of the base (1).

5. The 3D printer sand-cleaning piece-taking device as claimed in claim 3, wherein the power input ends of the motor A (8), the motor B (11), the motor C (22), the electric telescopic rod (18) and the air pump (4) are electrically connected with the power output end of an external power supply.