CN215941508U

CN215941508U - Spread powder 3D and print aftertreatment equipment

Info

Publication number: CN215941508U
Application number: CN202122162319.2U
Authority: CN
Inventors: 谢大权; 鲁晟
Original assignee: Nanjing Chenglian Laser Technology Co Ltd
Current assignee: Nanjing Chenglian Laser Technology Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-04
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to the technical field of 3D printing systems, in particular to powder laying 3D printing post-processing equipment which comprises a main body frame, wherein the main body frame consists of an upper cavity and a lower cavity, the two cavities are separated by a mounting table top, a through hole is formed in the mounting table top, a heat processing box is fixedly mounted at the lower end of the mounting table top of the main body frame, a left clamping mechanism and a right clamping mechanism which are symmetrically distributed are mounted on the upper side of the mounting table top of the main body frame, the left clamping mechanism and the right clamping mechanism are paired and clamp a substrate, an adsorption arm is arranged on the side face of the main body frame, a cutting mechanism is mounted at the top of the main body frame in a hanging mode, and a clamping groove position is formed in the side wall of the substrate. The utility model integrates a stress-removing treatment process of putting the workpiece into the furnace, a furnace door opening and closing process, a substrate clamping process and a workpiece cutting process on the substrate into a set of full-automatic operation flow, thereby effectively avoiding the risks of high-temperature burn of human body and powder inhalation to human body.

Description

Spread powder 3D and print aftertreatment equipment

Technical Field

The utility model relates to the technical field of 3D printing systems, in particular to powder paving 3D printing post-processing equipment.

Background

The metal 3D printing is a metal forming mode of selecting layer-by-layer melting through laser, powder is selectively sintered on a substrate, a processed workpiece can be taken down for a subsequent treatment process after stress relief annealing, the existing operation method mainly comprises the steps of manually feeding the processed workpiece into an annealing furnace, manually closing a furnace door, removing workpiece stress, waiting for the completion of the process, waiting for cooling to take out the workpiece, clamping the workpiece on the surface of the lower substrate again, inevitably taking the powder into a human body to cause physical injury in the process, and having more artificial elements, higher requirement on consciousness of operators, inevitable process waiting and burn risk in high-temperature operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, the utility model aims to provide a powder laying 3D printing post-treatment device, so that the risks of human body contact with high-temperature burn and powder inhalation can be effectively avoided, and the problem of a staged unmanned operation program can be realized

The purpose of the utility model can be realized by the following technical scheme:

a powder-laying 3D printing post-processing device comprises a main body frame,

the main body frame comprises last cavity and lower cavity two parts, and two cavities are separated by mounting table, are equipped with the through hole on the mounting table, main body frame's mounting table lower extreme fixed mounting has the heat treatment case, left clamping mechanism and the right clamping mechanism of symmetric distribution are equipped with to main body frame mounting table upside, left side clamping mechanism and right clamping mechanism pair to exist and press from both sides tight base plate, the main body frame side is equipped with the absorption arm, and main body frame's top hangs installation cutting mechanism, the base plate lateral wall is equipped with the draw-in groove position.

As a further aspect of the utility model, the heat treatment box comprises a heat insulation plate, a sealing cover, a heat insulation sleeve, a heating wire, a first air cylinder, a heat insulation plate, a heat insulation block and a glass cover, wherein the sealing cover is arranged on the upper side of the heat insulation plate, the heat insulation sleeve is fixedly arranged on the inner side of the sealing cover, the heat insulation sleeve is arranged on the inner side of the heat insulation sleeve, the glass cover is embedded on the inner side of the heat insulation sleeve, the heating wire is arranged at the joint of the glass cover and the heat insulation sleeve, the first air cylinder is arranged on the sealing cover, the heat insulation plate is arranged at the front end of the first air cylinder, the heat insulation block is arranged above the heat insulation plate, the heat insulation plate and the sealing cover are both provided with center holes and have the same diameter as the center hole of the glass cover, the outer diameter of the glass cover is sleeved on the inner hole of the heat insulation sleeve and is fixed on the heat insulation plate, mounting holes are equally distributed on the sealing cover and the heating wire penetrates through the mounting holes and is fixed on the sealing cover, the external diameters of the heat insulation plate and the heat insulation block are concentric with the glass cover and are not in contact with the glass cover, the first cylinder feeds to push the heat insulation block to extend out of a center hole of the heat insulation plate, and the substrate is placed on the heat insulation block.

As a further aspect of the present invention, the substrate includes a fixing seat, a second cylinder and a clamping jaw, the left clamping mechanism and the right clamping mechanism are respectively provided with the fixing seat, the second cylinder and the clamping jaw, wherein the clamping jaws of the left clamping mechanism and the right clamping mechanism are respectively provided with an arc position, and the arc positions correspond to the clamping grooves on the sidewall of the substrate.

As a further aspect of the utility model, the adsorption arm comprises a motor, a motor mounting seat, a coupler, a cross beam, an air pipe, an air cylinder, a sucker and a heat insulation cover plate, wherein one end of the cross beam is connected with the motor mounting seat and the motor mounting seat through the coupler, the other end of the cross beam is fixedly connected with the air cylinder and the air pipe, the sucker is arranged at the front end of the air cylinder, the heat insulation cover plate is adsorbed on the outer side of the sucker, a boss is arranged on the cross beam, the cross beam rotates along the axis of the boss with the motor, the air pipe is communicated with the sucker, and air between the sucker and the heat insulation cover plate can be extracted to form a negative pressure area.

As a further aspect of the present invention, the cutting mechanism includes a first guide rail, a second guide rail, a first slider, a second slider, a screw rod seat, a third motor, a first driving wheel set, a second driving wheel set, a first driven wheel set, a second driven wheel set, a third pressing wheel set, a fourth pressing wheel set, a first auxiliary wheel set, a second auxiliary wheel set, a first bearing seat, a second bearing seat, and a second driving motor for synchronously transmitting the wheel sets, the first gear and the saw blade between the wheel sets are disposed at the front end of the second motor, the head of the third motor penetrates through a hole site disposed on the support bridge, the first gear is fixedly disposed on the third motor, the first gear is engaged with the first driving wheel set and the second driving wheel set, the first driven wheel set and the second driven wheel set are frictionally driven by the saw blade, and the first auxiliary wheel set is engaged with the first driving wheel set and the second driving wheel set, the second driven wheel set and the third driven wheel set are frictionally moved by the saw blade, and the first auxiliary wheel set is fixedly disposed on the support bridge, Supplementary wheelset two, compress tightly the wheelset three and compress tightly the wheelset four cooperation saw blade and rotate, motor two and fixed lead screw drive the support bridge through synchronous conveying wheelset cooperation lead screw seat and realize reciprocating motion at guide rail one and guide rail two, driving wheelset one and driving wheelset two all have the below to constitute for the guide pulley structure for the gear top, the mounting hole that bearing frame one, lead screw seat and bearing frame two all were equipped with is all installed on the lead screw with one heart.

As a further aspect of the present invention, the heat insulating plate has a center hole concentrically installed with the through hole of the main body frame, and the outer diameter of the through hole of the main body frame is larger than the center hole of the heat insulating plate, and the first cylinder may push the substrate into the upper chamber of the main body frame.

As a further aspect of the present invention, the clamping jaws of the left and right clamping mechanisms may clamp the clamping groove of the substrate pushed into the upper chamber of the main body frame by the first clamping cylinder.

As a further aspect of the present invention, the motor mounting seat is mounted on an upper cavity of the main body frame, the motor three drives the beam to rotate to concentrically place the suction cup above the through hole of the main body frame, the suction cup can suck the heat insulation cover plate placed in the through hole of the main body frame and is recovered by the cylinder and completely introduced into the upper cavity of the main body frame, and the heat insulation cover plate is in clearance fit with the through hole of the main body frame.

As a further aspect of the present invention, the first guide rail and the second guide rail are both fixed on a top plate in the upper cavity of the main body frame, and the second motor is mounted on the outer top surface of the upper cavity of the main body frame.

The utility model has the beneficial effects that:

1. the utility model integrates the stress-removing treatment process of putting the workpiece into the furnace, the furnace door opening and closing process, the substrate clamping process and the workpiece cutting process on the substrate into a set of full-automatic operation process, effectively avoids the risks of human body contact high-temperature burn and powder inhalation, and simultaneously, the unmanned operation is an important step of the post-treatment process toward the industrial 4.0 direction.

2. The utility model has the advantages that the left clamping mechanism and the right clamping mechanism are paired and used for clamping the substrate, and the left clamping mechanism and the right clamping mechanism are respectively provided with the fixed seat, the second air cylinder and the clamping jaw, so that a workpiece to be processed can be effectively locked, the workpiece can be conveniently subjected to heat treatment, meanwhile, the second air cylinder can also remotely control the workpiece, and the operating procedures of personnel are reduced

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the heat treatment chamber of the present invention;

FIG. 3 is a perspective view of the substrate structure of the present invention;

fig. 4 is a schematic perspective view of the adsorption arm structure of the present invention.

Fig. 5 is a perspective view of the cutting mechanism of the present invention.

In the figure: 1. a main body frame; 2. a heat treatment tank; 201. a heat insulation plate; 202. a sealing cover; 203. a thermal insulation sleeve; 204. a heat insulating sleeve; 205. heating wires; 206. a first cylinder; 207. a thermal insulation board; 208. a heat insulation block; 209. A glass cover; 3. a substrate; 301. a fixed seat; 302. a second air cylinder; 303. a clamping jaw; 4. a left clamping mechanism; 5. an adsorption arm; 501. a first motor; 502. a motor mounting seat; 503. a coupling; 504. a cross beam; 505. an air tube; 506. a cylinder; 507. a suction cup; 508. a heat insulating cover plate; 6. a cutting mechanism; 601. a stent bridge; 602. a first sliding block; 603. a first guide rail; 604. a third motor; 605. a synchronous transmission wheel set; 606. A first bearing seat; 607. a second sliding block; 608. a second guide rail; 609. a screw base; 610. fixing the screw rod; 611. A second bearing seat; 612. a third pressing wheel set; 613. a driven wheel set II; 614. a first auxiliary wheel set; 615. A saw blade; 616. a first driving wheel set; 617. a driven wheel set I; 618. a second auxiliary wheel set; 619. a pressing wheel group IV; 620. a first gear; 621. a second driving wheel set; 622. a second motor; 7. and a right clamping mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a powder-laying 3D printing post-processing apparatus includes a main body frame 1,

the main body frame 1 consists of an upper cavity and a lower cavity, the two cavities are separated by a mounting table top, a through hole is arranged on the mounting table top, a heat treatment box 2 is fixedly mounted at the lower end of the mounting table top of the main body frame 1, a left clamping mechanism 4 and a right clamping mechanism 7 which are symmetrically distributed are mounted on the upper side of the mounting table top of the main body frame 1, the left clamping mechanism 4 and the right clamping mechanism 7 are paired and clamp a substrate 3, an adsorption arm 5 is arranged on the side surface of the main body frame 1, a cutting mechanism 6 is mounted at the top of the main body frame 1 in a hanging manner, and a clamping groove position is arranged on the side wall of the substrate 3;

according to the figure 2, the heat treatment box 2 comprises a heat insulation plate 201, a sealing cover 202, a heat insulation sleeve 203, a heat insulation sleeve 204, a heating wire 205, a cylinder I206, a heat insulation plate 207, a heat insulation block 208 and a glass cover 209, wherein the sealing cover 202 is arranged on the upper side of the heat insulation plate 201, the heat insulation sleeve 203 is fixedly arranged on the inner side of the sealing cover 202, the heat insulation sleeve 204 is arranged on the inner side of the heat insulation sleeve 203, the glass cover 209 is embedded on the inner side of the heat insulation sleeve 204, the heating wire 205 is arranged at the joint of the glass cover 209 and the heat insulation sleeve 204, the cylinder I206 is arranged on the sealing cover 202, the heat insulation plate 207 is arranged at the front end of the cylinder I206, the heat insulation block 208 is arranged above the heat insulation plate 207, the heat insulation plate 201 and the sealing cover 202 are both provided with center holes and have the same diameter as the center hole of the glass cover 209, the outer diameter of the glass cover 209 is sleeved on the inner hole of the heat insulation sleeve 203 and fixed on the heat insulation plate 207, the sealing cover 202 and the heat insulation sleeve 203 are distributed with mounting holes, the heating wire 205 penetrates through the mounting hole and is fixed on the sealing cover 202, the outer diameters of the heat insulation plate 207 and the heat insulation block 208 are concentric with and do not contact with the glass cover 209, the first cylinder 206 feeds to push the heat insulation block 208 to extend out of the central hole of the heat insulation plate 201, the substrate 3 is placed on the heat insulation block 208, the central hole of the heat insulation plate 201 is concentrically mounted with the through hole of the main body frame 1, the outer diameter of the through hole of the main body frame 1 is larger than the central hole of the heat insulation plate 201, and the first cylinder 206 can push the substrate 3 to enter the upper cabin of the main body frame 1;

as shown in fig. 3, the substrate 3 includes a fixed seat 301, a second cylinder 302 and a clamping jaw 303, the fixed seat 301, the second cylinder 302 and the clamping jaw 303 are respectively disposed on the left clamping mechanism 4 and the right clamping mechanism 7, wherein the clamping jaws 303 of the left clamping mechanism 4 and the right clamping mechanism 7 are respectively provided with an arc position and correspond to a clamping groove position on a side wall of the substrate 3, so that a workpiece can be locked and retained to prevent a deviation phenomenon during workpiece processing, and the clamping jaws 303 of the left clamping mechanism 4 and the right clamping mechanism 7 can clamp the first cylinder 206 to push the clamping groove of the substrate 3 entering the upper cabin of the main body frame 1;

as shown in fig. 4, the suction arm 5 includes a first motor 501, a first motor mounting seat 502, a coupling 503, a cross beam 504, an air pipe 505, an air cylinder 506, a suction cup 507 and a heat insulation cover plate 508, one end of the cross beam 504 is connected with the first motor 501 and the first motor mounting seat 502 through the coupling 503, the other end of the cross beam 504 is fixedly connected with the air cylinder 506 and the air pipe 505, the suction cup 507 is arranged at the front end of the air cylinder 506, the heat insulation cover plate 508 is adsorbed on the outer side of the suction cup 507, a boss is arranged on the cross beam 504, the cross beam 504 rotates along the axis of the boss along with the first motor 501, the air pipe 505 is communicated with the suction cup 507 and can extract air between the suction cup 507 and the heat insulation cover plate 508 to form a negative pressure region, so that grabbing work for a workpiece can be remotely controlled, thereby realizing intelligent production;

referring to fig. 5, the cutting mechanism 6 includes a first guide rail 603, a second guide rail 608, a first slider 602, a second slider 607 fixed to the support bridge 601, a screw seat 609 fixed to the support bridge 601, a third motor 604, a first driving wheel set 616, a second driving wheel set 621, a first driven wheel set 617, a second driven wheel set 613, a third driven wheel set 623, a third pressing wheel set 612, a fourth pressing wheel set 619, a first auxiliary wheel set 614 and a second auxiliary wheel set 618, a first bearing seat 606, a second bearing seat 611 of the fixed screw 610, and a second driving motor 622 of the synchronous transmission wheel set 605, the front end of the second motor 622 is provided with a first gear 620 and a saw blade 615 between the wheel sets, the shaft head of the third motor 604 penetrates through a hole provided on the support bridge 601, the first gear 620 is fixedly installed on the third motor 604, the first gear 620 engages with the first driving wheel set 616 and the second driving wheel set 621 to cooperate with the first driven wheel set 617 for frictional transmission of the saw blade 615, the saw blade 615 drives the driven wheel group two 613 and the driven wheel group three 623 to move in a friction mode, the auxiliary wheel group one 614, the auxiliary wheel group two 618, the pressing wheel group three 612 and the pressing wheel group four 619 are matched with the saw blade 615 to rotate, the motor two 622 and the fixed screw 610 are matched with the screw rod base 609 through the synchronous transmission wheel group 605 to drive the bracket bridge 601 to reciprocate on the guide rail one 603 and the guide rail two 608, the driving wheel group one 616 and the driving wheel group two 621 are respectively provided with a guide wheel structure below the gear, mounting holes formed in the bearing base one 606, the screw rod base 609 and the bearing base two 611 are concentrically arranged on the screw rod 610, the motor mounting base 502 is arranged on an upper cavity of the main body frame 1, the motor three 604 drives the beam 504 to rotate to concentrically place the suction cup 507 above a through hole of the main body frame 1, the suction cup 507 can suck the heat insulation cover plate 508 placed in the through hole of the main body frame 1, and is recovered by the air cylinder 506 and completely introduced into the upper cavity of the main body frame 1, the heat insulation cover plate 508 is in clearance fit with the through hole of the main body frame 1;

the first guide rail 603 and the second guide rail 608 are both fixed on the top plate in the upper cavity of the main body frame 1, and the second motor 622 is installed on the outer top surface of the upper cavity of the main body frame 1.

The working principle is as follows: when the device is used, firstly, an external power supply is connected to the device to provide power for the device, the heating wire 205 of the heat treatment box 2 is controlled by a control button to heat and raise the temperature, the power drives the electrode 501 to operate, one end part of the beam 504 is connected with the motor I501 and the motor mounting seat 502 through the coupler 503, the beam 504 can rotate along the axis of the boss along the motor I501, the air pipe 505 is communicated with the suction cup 507, and the air between the suction cup 507 and the heat insulation cover plate 508 can be drawn out to form a negative pressure area, so that an object can be grabbed and placed on the substrate 3, the left clamping mechanism 4 and the right clamping mechanism 7 are paired and clamp the substrate 3, and the workpiece object is locked and limited;

the workpiece is melted by stages through the heat treatment box 2, the workpiece can be fixedly installed on a motor III 604 through a gear I620 as required, the gear I620 is meshed with a transmission driving wheel set I616 and a driving wheel set II 621 to be matched with a driven wheel set I617 to frictionally transmit a saw blade 615, the saw blade 615 frictionally drives a driven wheel set II 613 and a driven wheel set III 623 to move, a motor II 622 and a fixed screw 610 drive a support bridge 601 to move on a guide rail I603 and a guide rail II 608 through a synchronous transmission wheel set 605 and a screw seat 609 to realize reciprocating motion, the saw blade 615 is controlled to cut the workpiece, and therefore the process of cutting hot melt is controlled remotely and intelligently, potential safety hazards of personnel caused by close-distance operation of the personnel are reduced, and the use safety is greatly increased.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a spread powder 3D and print aftertreatment equipment, includes main body frame (1), its characterized in that:

main body frame (1) comprises last cavity and lower cavity two parts, and two cavities are separated by mounting table, are equipped with the through hole on the mounting table, the mounting table lower extreme fixed mounting of main body frame (1) has heat treatment case (2), main body frame (1) mounting table upside is equipped with symmetric distribution's left clamping mechanism (4) and right clamping mechanism (7), left side clamping mechanism (4) and right clamping mechanism (7) pair to exist and press from both sides tight base plate (3), main body frame (1) side is equipped with adsorbs arm (5), and the top of main body frame (1) hangs installation cutting mechanism (6), base plate (3) lateral wall is equipped with the draw-in groove position.

2. The powder paving 3D printing post-processing equipment as claimed in claim 1, wherein the heat processing box (2) comprises a heat insulation board (201), a sealing cover (202), a heat insulation sleeve (203), a heat insulation sleeve (204), a heating wire (205), a first cylinder (206), a heat insulation board (207), a heat insulation block (208) and a glass cover (209), the sealing cover (202) is installed on the upper side of the heat insulation board (201), the heat insulation sleeve (203) is fixedly installed on the inner side of the sealing cover (202), the heat insulation sleeve (204) is installed on the inner side of the heat insulation sleeve (203), the glass cover (209) is embedded on the inner side of the heat insulation sleeve (204), the heating wire (205) is installed at the joint of the glass cover (209) and the heat insulation sleeve (204), the first cylinder (206) is installed on the sealing cover (202), and the heat insulation board (207) is installed at the front end of the first cylinder (206), the utility model discloses a solar heat insulation plate, including insulation board (207), heat insulating board (201) and seal cover (202) all are equipped with the centre bore and with glass cover (209) concentric isodiametric, glass cover (209) external diameter cup joints the hole of insulation cover (203) and fixes on insulation board (207), the mounting hole has been put to equipartition in seal cover (202) and insulation cover (203), heater strip (205) run through the mounting hole and fix on seal cover (202), insulation board (207) and heat insulating block (208) external diameter and glass cover (209) are concentric and contactless, cylinder (206) are fed and are promoted heat insulating block (208) and can stretch out the centre bore of heat insulating board (201), base plate (3) are placed on heat insulating block (208).

3. The powder spreading 3D printing post-processing equipment as claimed in claim 2, wherein the substrate (3) comprises a fixed seat (301), a second cylinder (302) and a clamping jaw (303), the fixed seat (301), the second cylinder (302) and the clamping jaw (303) are arranged on the left clamping mechanism (4) and the right clamping mechanism (7), and arc positions are arranged on the clamping jaws (303) of the left clamping mechanism (4) and the right clamping mechanism (7) and correspond to the clamping groove positions on the side wall of the substrate (3).

4. The powder paving 3D printing post-processing device according to claim 3, wherein the adsorption arm (5) comprises a first motor (501), a motor mounting seat (502), a coupler (503), a cross beam (504), an air pipe (505), an air cylinder (506), a suction cup (507) and a heat insulation cover plate (508), one end of the cross beam (504) is connected with the first motor (501) and the motor mounting seat (502) through the coupler (503), the other end of the cross beam (504) is fixedly connected with the air cylinder (506) and the air pipe (505), the front end of the air cylinder (506) is provided with the suction cup (507), the heat insulation cover plate (508) is adsorbed on the outer side of the suction cup (507), a boss is arranged on the cross beam (504), the cross beam (504) rotates along the boss axis along the first motor (501), the air pipe (505) is communicated with the suction cup (507) and air between the suction cup (507) and the heat insulation cover plate (508) can be extracted, forming a negative pressure region.

5. The powder spreading 3D printing post-processing equipment as claimed in claim 4, wherein the cutting mechanism (6) comprises a first guide rail (603), a second guide rail (608), a first slider (602) and a second slider (607) which are fixed on a support bridge (601), a screw rod seat (609), a third motor (604), a first driving wheel set (616), a second driving wheel set (621), a first driven wheel set (617), a second driven wheel set (613), a third driven wheel set (623), a third pressing wheel set (612), a fourth pressing wheel set (619), a first auxiliary wheel set (614) and a second auxiliary wheel set (618) which are fixed on the support bridge (601), a first bearing seat (606), a second bearing seat (611) and a second driving motor (622) of a synchronous transmission wheel set (605), and a first gear (620) and a saw blade (615) between wheel sets are arranged at the front end of the second motor (622), the spindle nose of the motor III (604) penetrates through a hole position arranged on the support bridge (601), the gear I (620) is fixedly arranged on the motor III (604), the gear I (620) is meshed with a transmission driving wheel set I (616) and a driving wheel set II (621) to be matched with a driven wheel set I (617) to frictionally transmit a saw blade (615), the saw blade (615) frictionally drives a driven wheel set II (613) and a driven wheel set III (623) to move, the auxiliary wheel set I (614), the auxiliary wheel set II (618), the pressing wheel set III (612) and the pressing wheel set IV (619) to be matched with the saw blade (615) to rotate, the motor II (622) and the fixed screw rod (610) drive the support bridge (601) to reciprocate on the guide rail I (603) and the guide rail II (608) through a synchronous transmission wheel set (605) matched with a screw rod seat (609), the driving wheel set I (616) and the driving wheel set II (621) are both provided with lower parts and guide wheel structures, and the mounting holes formed in the first bearing seat (606), the screw rod seat (609) and the second bearing seat (611) are concentrically mounted on the screw rod (610).

6. The powder spreading 3D printing post-processing equipment as claimed in claim 2, wherein a central hole of the heat insulation plate (201) is concentrically installed with a through hole of the main body frame (1), the outer diameter of the through hole of the main body frame (1) is larger than that of the central hole of the heat insulation plate (201), and the first air cylinder (206) can push the substrate (3) into an upper chamber of the main body frame (1).

7. A powder-laying 3D printing post-processing device according to claim 3, characterized in that: clamping jaws (303) of the left clamping mechanism (4) and the right clamping mechanism (7) can be clamped by a first clamping cylinder (206) and pushed into the clamping grooves of the substrate (3) of the upper cabin of the main body frame (1).

8. A powder-laying 3D printing post-processing device according to claim 5, characterized in that: the utility model discloses a heat-insulating cover plate, including main body frame (1), motor mount pad (502), motor three (604) drive crossbeam (504) rotate will sucking disc (507) place in the through-hole top of main body frame (1) with one heart, sucking disc (507) can absorb and place thermal-insulating cover plate (508) in main body frame (1) through-hole, and by cylinder (506) are retrieved and are introduced into main body frame (1) upper chamber internally completely, thermal-insulating cover plate (508) with the through-hole of main body frame (1) is clearance fit.

9. A powder-laying 3D printing post-processing device according to claim 5, characterized in that: the first guide rail (603) and the second guide rail (608) are fixed on a top plate in an upper cavity of the main body frame (1), and the second motor (622) is installed on the outer top surface of the upper cavity of the main body frame (1).