CN114700501A

CN114700501A - 3D prints with product shaping heat sink

Info

Publication number: CN114700501A
Application number: CN202210323727.8A
Authority: CN
Inventors: 王林; 鲁晟; 葛奕辉
Original assignee: Nanjing Chenglian Laser Technology Co Ltd
Current assignee: Nanjing Chenglian Laser Technology Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-05
Anticipated expiration: 2042-03-29
Also published as: CN114700501B

Abstract

The invention provides a product forming and cooling device for 3D printing, which belongs to the technical field of 3D printing and comprises a cooling box, wherein one side of the cooling box is hinged with a box door through a hinge, the left side and the right side of the interior of the cooling box are respectively provided with an exhaust plate, the lower end of the cooling box is provided with a rotary piston, the output end of the rotary piston extends to the interior of the cooling box and is provided with a rotary table, the lower end and the upper end of the cooling box are respectively provided with a first pipeline and a second pipeline, the second pipeline is communicated with a first connecting pipe, the lower end of a fan is provided with a condensing box, the first pipeline is communicated with a second connecting pipe, the other end of the second connecting pipe is connected with a filtering piece, the right end of the filtering piece is connected with a third connecting pipe, and the lower end of the condensing box is communicated with a water outlet. The invention solves the problems that the existing product forming and cooling device for 3D printing is poor in cooling effect and reduces the production efficiency of products when the products are placed on a table top for cooling.

Description

3D prints with product shaping heat sink

The technical field is as follows:

the invention belongs to the technical field of 3D printing, and particularly relates to a product forming and cooling device for 3D printing.

Background art:

3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. The product that prints out through 3D need just can carry out next step's process after its cooling, generally go on through the heat sink.

Current 3D prints and places the product on the mesa with product shaping heat sink and cool down, and the cooling effect is poor, has also reduced the production efficiency of product.

The invention content is as follows:

the invention provides a product forming and cooling device for 3D printing, and aims to solve the problems that the existing product forming and cooling device for 3D printing is poor in cooling effect and production efficiency of products when the products are placed on a table top for cooling.

The embodiment of the invention provides a product forming and cooling device for 3D printing, which comprises a cooling box, wherein one side of the cooling box is hinged with a box door through a hinge, the left side and the right side of the interior of the cooling box are respectively provided with an exhaust plate, the lower end of the cooling box is provided with a rotary piston, the output end of the rotary piston extends to the interior of the cooling box and is provided with a rotary table, the lower end and the upper end of the cooling box are respectively provided with a first pipeline and a second pipeline, the second pipeline is communicated with a first connecting pipe, the other end of the second pipeline is communicated with a fan, the lower end of the fan is provided with a condensing box, the first pipeline is communicated with a second connecting pipe, the other end of the second connecting pipe is connected with a filtering piece, the right end of the filtering piece is connected with a third connecting pipe, and the lower end of the condensing box is communicated with a water outlet.

Through adopting above-mentioned technical scheme, rotary piston drives the product on the revolving stage and rotates, can let the product carry out rapid cooling through the rotation, has improved the cooling effect of device greatly, has also improved the production efficiency of product simultaneously.

Further, the revolving stage is hollow structure, the inside fixedly connected with diaphragm of revolving stage, the lower terminal surface fixedly connected with telescoping cylinder of diaphragm, the output of telescoping cylinder passes the diaphragm and is connected with the disc.

By adopting the technical scheme, the lifting movement of the disc is realized through the expansion of the expansion cylinder.

Further, the upper end of disc is personally submitted four mount pads of annular fixedly connected with one, four all rotate through the pivot on the mount pad one and be connected with a gangbar, one end that the mount pad was kept away from to the gangbar rotates through the pivot and is connected with the depression bar, the inside top of revolving stage is four mount pads of annular fixedly connected with two, mount pad two and depression bar one-to-one, mount pad two passes through the pivot with the depression bar and rotates and be connected, four logical grooves have been seted up on the revolving stage, lead to groove and depression bar one-to-one, the depression bar is kept away from the one end of gangbar and is passed logical groove.

Through adopting above-mentioned technical scheme, the disc promotion of lift moves with the gangbar activity of a connection of mount pad, and then makes the depression bar rotate around the pivot on the mount pad two to this realization is to the clamp of cooling product and loosen, and the stability of the product of being convenient for is placed and is taken fast.

Furthermore, the embedded temperature sensor that installs in the upper end of revolving stage, the controller is installed on the top of cooling incasement portion, temperature sensor, controller, rotary piston, fan and telescoping cylinder electricity are connected.

Through adopting above-mentioned technical scheme, detect the temperature of product through temperature sensor, temperature sensor passes to the controller with the signal, and the action of rotary piston, fan and telescoping cylinder is controlled to the controller, and then realizes the automatic control to rotary piston, fan and telescoping cylinder.

Furthermore, a first channel and a second channel are arranged in the air exhaust plate, the first channel is transversely distributed, the second channel is longitudinally distributed, the first channel is communicated with the second channel, air outlets are uniformly formed in the opposite surfaces of the two air exhaust plates, the air outlets are communicated with the second channel, and the first channel is communicated with the second channel.

Through adopting above-mentioned technical scheme, guide cold wind to passageway two in through passageway one, the rethread passageway two guides cold wind to the air outlet, at last through the air outlet with cold wind blowout, and then carry out rapid cooling to the product of rotation.

Furthermore, four throwing openings are formed in the upper end of the condensing box, and a locking cover I is screwed to the upper end of each throwing opening.

Through adopting above-mentioned technical scheme, can drop into the ice-cube in the condensing box through throwing in the mouth.

Further, the bottom of condensing box is the infundibulate, install the valve on the outlet of condensing box bottom.

Through adopting above-mentioned technical scheme, be convenient for pile up the water that produces the ice melting in the bottom of condensing box to the discharge and the collection of the water of being convenient for have practiced thrift the resource.

Furthermore, a bearing plate is fixedly connected to the lower end of the interior of the condensing box, and a plurality of through holes which are communicated up and down are annularly distributed on the bearing plate.

Through adopting above-mentioned technical scheme, can fix the flow distribution plate through the loading board, be convenient for simultaneously to discharge through the through-hole with the water that produces after melting.

Further, the upper end of loading board and the equal fixedly connected with flow distribution plate in the inside top of condensing box, two be connected with a plurality of heat exchange tubes between the flow distribution plate, heat exchange tube and flow distribution plate switch-on each other, the heat exchange tube is the heliciform, the flow distribution plate of condensing box upper end communicates with the fan, the flow distribution plate and the connecting pipe three-phase switch-on of condensing box lower extreme.

Through adopting above-mentioned technical scheme, can trade the heat in the hot-air out through the heat exchange tube, can increase the heat radiating area of air through a plurality of heat exchange tubes simultaneously, and then realize the rapid cooling of product.

Further, it includes collects cover, locking lid two, ring and filter core to filter, collect the cover and put through with connecting pipe two phase, locking lid two and connecting pipe three-phase put through, collect cover and the mutual block of locking lid two, the inside cross-section of collection cover is isosceles trapezoid, it has the ring to collect the cover inside block, fixedly connected with filter core on the internal perisporium of ring.

Through adopting above-mentioned technical scheme, utilize the filter core can filter the metal dust that drops on the product, avoid the dust to flow in the heat exchange tube to adsorb on its inner wall, guarantee the heat transfer effect of heat exchange tube, through the block of collecting cover and locking lid two, so that clear up the dust after will filtering.

The invention has the beneficial effects that:

1. according to the invention, the lifting movement of the disc is realized through the stretching of the telescopic cylinder, the lifting disc pushes the linkage rod connected with the mounting seat to move, and further the compression rod rotates around the shaft pin on the mounting seat II, so that the clamping and loosening of a cooling product are realized, the stable placement and the quick taking of the product are convenient, meanwhile, the product on the rotating platform is driven to rotate through the rotating piston, the product can be quickly cooled through the rotation, the cooling effect of the device is greatly improved, and the production efficiency of the product is also improved.

2. The temperature sensor is used for detecting the temperature of the product, the temperature sensor transmits a signal to the controller, and the controller controls the rotary piston, the fan and the telescopic cylinder to act, so that the automatic control of the rotary piston, the fan and the telescopic cylinder is realized.

3. The invention can exchange the heat in the hot air through the heat exchange tubes, and can increase the heat dissipation area of the air through the plurality of heat exchange tubes, thereby realizing the rapid cooling of the product.

4. According to the invention, the filter element is utilized to filter metal dust falling off from a product, the dust is prevented from flowing into the heat exchange tube and being adsorbed on the inner wall of the heat exchange tube, the heat exchange effect of the heat exchange tube is ensured, and the collected cover is clamped with the locking cover II, so that the filtered dust can be cleaned conveniently.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Description of the drawings:

the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a front cross-section of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an exhaust plate according to an embodiment of the present invention;

FIG. 4 is an enlarged cross-sectional view of the turntable according to the embodiment of the present invention;

FIG. 5 is an enlarged cross-sectional view of a filter according to an embodiment of the present invention;

reference numerals: 1. a cooling box; 2. a box door; 3. a vent panel; 4. a rotary piston; 5. a rotating table; 6. a first pipeline; 7. a second pipeline; 8. a first connecting pipe; 9. a fan; 10. a condensing tank; 11. a second connecting pipe; 12. a filter member; 13. a third connecting pipe; 14. a water outlet; 15. a transverse plate; 16. a telescopic cylinder; 17. a disc; 18. a first mounting seat; 19. a linkage rod; 20. a pressure lever; 21. a second mounting seat; 22. a temperature sensor; 23. a controller; 24. a first passage; 25. a second path; 26. an air outlet; 27. a throwing port; 28. a first locking cover; 29. a carrier plate; 30. a through hole; 31. a flow distribution plate; 32. a heat exchange pipe; 33. a valve; 34. a collection hood; 35. a second locking cover; 36. a circular ring; 37. a filter element; 501. a through groove.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention.

Referring to fig. 1 and 2, an embodiment of the invention provides a product forming and cooling device for 3D printing, which includes a cooling box 1, a box door 2 is hinged to one side of the cooling box 1 through a hinge, an exhaust plate 3 is respectively installed on each of the left side and the right side inside the cooling box 1, a rotary piston 4 is installed at the lower end of the cooling box 1, an output end of the rotary piston 4 extends into the cooling box 1 and is provided with a rotary table 5, the rotary piston 4 drives a product on the rotary table 5 to rotate, the product can be rapidly cooled through rotation, the cooling effect of the device is greatly improved, and the production efficiency of the product is also improved, a first pipeline 6 and a second pipeline 7 are respectively installed at the lower end and the upper end of the cooling box 1, a first connecting pipe 8 is communicated with the second pipeline 7, a fan 9 is communicated with the other end of the second pipeline 7, and a condensation box 10 is installed at the lower end of the fan 9, a second connecting pipe 11 is communicated with the first pipeline 6, the other end of the second connecting pipe 11 is connected with a filtering piece 12, the right end of the filtering piece 12 is connected with a third connecting pipe 13, and a water outlet 14 is communicated with the lower end of the condensation box 10.

Referring to fig. 1, 2 and 4, the rotating table 5 is of a hollow structure, a transverse plate 15 is fixedly connected inside the rotating table 5, a telescopic cylinder 16 is fixedly connected to the lower end face of the transverse plate 15, an output end of the telescopic cylinder 16 penetrates through the transverse plate 15 to be connected with a disc 17, the disc 17 is lifted through the telescopic cylinder 16, four first mounting seats 18 are fixedly connected to the upper end face of the disc 17 in an annular manner, a linkage rod 19 is rotatably connected to the four first mounting seats 18 through a shaft pin, a pressure rod 20 is rotatably connected to one end, far away from the first mounting seat 18, of the linkage rod 19 through the shaft pin, four second mounting seats 21 are fixedly connected to the top end inside the rotating table 5 in an annular manner, the second mounting seats 21 correspond to the pressure rod 20 one by one, the second mounting seats 21 are rotatably connected to the pressure rod 20 through the shaft pin, and four through grooves 501 are formed in the rotating table 5, the through grooves 501 are in one-to-one correspondence with the pressure rods 20, one end, far away from the linkage rod 19, of each pressure rod 20 penetrates through the through grooves 501, the lifting disc 17 pushes the linkage rod 19 connected with the first mounting seat 18 to move, and then the pressure rods 20 rotate around the shaft pins on the second mounting seat 21, so that clamping and loosening of cooling products are achieved, and stable placement and quick taking of the products are facilitated.

Referring to fig. 1, fig. 2 and fig. 4, the embedded temperature sensor 22 that installs in the upper end of revolving stage 5, controller 23 is installed on the inside top of cooling box 1, temperature sensor 22, controller 23, rotary piston 4, fan 9 are connected with telescoping cylinder 16 electricity, detect the temperature of product through temperature sensor 22, and temperature sensor 22 passes the signal to controller 23, and controller 23 control rotary piston 4, fan 9 and telescoping cylinder 16 action, and then realize rotary piston 4, fan 9 and telescoping cylinder 16's automatic control.

Referring to fig. 3, a first passage 24 and a second passage 25 are formed in the air discharging plate 3, the first passage 24 and the second passage 25 are communicated with each other, air outlets 26 are uniformly formed in opposite surfaces of the two air discharging plates 3, the air outlets 26 are communicated with the second passage 25, the first passage 24 is communicated with the second pipeline 7, cold air is guided into the second passage 25 through the first passage 24, then guided into the air outlets 26 through the second passage 25, and finally sprayed out through the air outlets 26, so that a rotating product is cooled rapidly.

Referring to fig. 1 and 2, the upper end of the condensation box 10 is provided with four input ports 27, the upper ends of the four input ports 27 are respectively screwed with a locking cover 28, ice cubes can be input into the condensation box 10 through the input ports 27, the bottom end of the condensation box 10 is funnel-shaped, a valve 33 is installed on a water outlet 14 at the bottom end of the condensation box 10, so that water generated by melting ice can be conveniently accumulated at the bottom of the condensation box 10, water can be conveniently discharged and collected, resources are saved, a bearing plate 29 is fixedly connected to the lower end of the interior of the condensation box 10, a plurality of through holes 30 which are communicated up and down are annularly distributed on the bearing plate 29, a splitter plate 31 can be fixed through the bearing plate 29, water generated after melting can be conveniently discharged through the through holes 30, a splitter plate 31 is fixedly connected to the upper end of the bearing plate 29 and the top end of the interior of the condensation box 10, two be connected with a plurality of heat exchange tubes 32 between the flow distribution plate 31, heat exchange tube 32 and flow distribution plate 31 switch on each other, heat exchange tube 32 is the heliciform, flow distribution plate 31 and the fan 9 of condenser box 10 upper end switch on mutually, flow distribution plate 31 and the three 13 switch on of connecting pipe of condenser box 10 lower extreme switch on mutually, can trade the heat in the hot-air out through heat exchange tube 32, can increase the heat radiating area of air through a plurality of heat exchange tubes 32 simultaneously, and then realize the rapid cooling of product.

Referring to fig. 5, filter 12 is including collecting cover 34, two 35 of locking lid, ring 36 and filter core 37, collect cover 34 and two 11 switch-ons of connecting pipe, two 35 of locking lid and three 13 switch-ons of connecting pipe, collect cover 34 and two 35 mutual block of locking lid, the inside cross-section of collecting cover 34 is isosceles trapezoid, it has ring 36 to collect the interior block of cover 34, fixedly connected with filter core 37 on the internal perisporium of ring 36, utilize filter core 37 can filter the metal dust that drops on the product, avoid the dust to flow in the heat exchange tube 32 to adsorb on its inner wall, guarantee the heat transfer effect of heat exchange tube 32, through collecting cover 34 and the block of two 35 of locking lid, so that clear up the dust after filtering.

The implementation mode specifically comprises the following steps: when the cooling box is used, the first locking cover 28 is opened, ice blocks are put into the condensation box 10 through the putting opening 27, the stroke of the telescopic cylinder 16 is adjusted according to the specification of a product base, after the telescopic cylinder 16 extends, the product can be clamped by the pressure rod 20, the product is placed on the rotary table 5, the box door 2 is closed, the temperature sensor 22 detects the temperature signal of the product and transmits the temperature signal to the controller 23, the controller 23 controls the rotary piston 4, the fan 9 and the telescopic cylinder 16 to act, the telescopic cylinder 16 extends, the telescopic cylinder 16 pushes the disc 17 to ascend, the ascending disc 17 pushes the linkage rod 19 connected with the first mounting seat 18 to move, the pressure rod 20 rotates around a shaft pin on the second mounting seat 21, the clamping of the cooling product is realized, after the product is stably clamped, the rotary piston 4 drives the rotary table 5 to rotate, and the product clamped on the rotary table 5 rotates, the fan 9 sucks the air in the cooling box 1 into the heat exchange tube 32 through the first pipeline 6, the second connecting pipe 11, the filtering piece 12, the third connecting pipe 13 and the splitter plate 31, then the air flows into the fan 9 through the other splitter plate 31, the air flows into the exhaust plate 3 through the first connecting pipe 8 and the second connecting pipe 7, cold air is guided into the second channel 25 through the first channel 24, the air is guided to the air outlet 26 through the second channel 25, and finally the air is sprayed into the cooling box 1 through the air outlet 26, so that the circulating flow of the air is realized, the flowing cavity sucks heat and dust into the filtering piece 12, the filter element 37 in the filtering piece 12 filters metal dust falling off from a product, the dust is prevented from flowing into the heat exchange tube 32 and being adsorbed on the inner wall of the heat exchange tube 32, the heat exchange effect of the heat exchange tube 32 is ensured, dust-free hot air enters the heat exchange tube 32, and the temperature on the surface of the heat exchange tube 32 is lower due to the refrigeration effect of ice cubes, therefore, heat in hot air flows out, the hot air is cooled, and then the cold air is pumped into the product through the fan 9 to cool the product, so that the product is cooled in a rotating manner, the cooling effect of the product is reduced, the production efficiency of the product is greatly improved, when the product is cooled to a set temperature range value, the temperature sensor 22 transmits a signal to the controller 23, the controller 23 controls the fan 9 and the rotary piston 4 to stop acting, and controls the telescopic cylinder 16 to contract, the telescopic cylinder 16 pulls the disc 17 to descend, the descending disc 17 pulls the linkage rod 19 connected with the first mounting seat 18 to move, so that the pressure rod 20 reversely rotates around the shaft pin on the second mounting seat 21, the cooling product is loosened, the cooled product can be directly taken out by opening the box door 2, and simultaneously, after the device works for a period of time, the state of ice blocks in the condensation box 10 is observed through the visible glass on the condensation box 10, treat that the ice-cube in the condensing box 10 is whole to melt the back, open valve 33, collect away the water that the ice-cube melts the back product with the collecting box, so that make ice once more the water and use, resources are greatly saved, add the ice-cube into condensing box 10 according to above-mentioned step again and can cool down once more, it is very convenient to use, when needs clean filter member 12, pull open locking lid two 35, and take out the ring 36 that is equipped with filter core 37, pour out the dust in collecting cover 34, after the clearance is accomplished, the ring 36 block that will be equipped with filter core 37 again is in collecting cover 34, last locking lid two 35 with collect cover 34 block can.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a 3D prints and uses product shaping heat sink, contains cooling box (1), one side of cooling box (1) articulates through the hinge has chamber door (2), its characterized in that, a blast plate (3) has respectively been installed to the left and right sides inside cooling box (1), rotary piston (4) have been installed to the lower extreme of cooling box (1), the output of rotary piston (4) extends to the internally mounted of cooling box (1) and has revolving stage (5), pipeline one (6) and pipeline two (7) are installed respectively to the lower extreme and the upper end of cooling box (1), the switch-on has connecting pipe one (8) on pipeline two (7), another termination of pipeline two (7) has lead to fan (9), condenser box (10) have been installed to the lower extreme of fan (9), the switch-on has connecting pipe two (11) on pipeline one (6), the other end of connecting pipe two (11) is connected with and filters piece (12), the right end of the filtering piece (12) is connected with a third connecting pipe (13), and the lower end of the condensation box (10) is communicated with a water outlet (14).

2. The product forming and cooling device for 3D printing according to claim 1, wherein: the turntable (5) is of a hollow structure, a transverse plate (15) is fixedly connected to the inside of the turntable (5), a telescopic cylinder (16) is fixedly connected to the lower end face of the transverse plate (15), and the output end of the telescopic cylinder (16) penetrates through the transverse plate (15) to be connected with a disc (17).

3. The product forming and cooling device for 3D printing according to claim 2, wherein: the utility model discloses a four-purpose rotary table, including disc (17), mount pad (18), linkage rod (20), pivot, linkage rod (17), four last four mount pad (18) of annular fixedly connected with of personally submitting of mount pad (18), one end that mount pad (18) were kept away from in linkage rod (19) is rotated through the pivot and is connected with depression bar (20), the inside top of revolving stage (5) is four mount pad two (21) of annular fixedly connected with, mount pad two (21) and depression bar (20) one-to-one, mount pad two (21) are rotated through the pivot with depression bar (20) and are connected, four logical groove (501) have been seted up on revolving stage (5), lead to groove (501) and depression bar (20) one-to-one, logical groove (501) are passed to the one end that linkage rod (19) was kept away from in depression bar (20).

4. The product forming and cooling device for 3D printing according to claim 1, wherein: the upper end of revolving stage (5) is embedded installs temperature sensor (22), controller (23) are installed on the inside top of cooling box (1), temperature sensor (22), controller (23), rotary piston (4), fan (9) are connected with telescoping cylinder (16) electricity.

5. The product forming and cooling device for 3D printing according to claim 1, wherein: the air exhaust plate is characterized in that a first passage (24) and a second passage (25) are transversely distributed and longitudinally distributed in the air exhaust plate (3), the first passage (24) and the second passage (25) are communicated with each other, air outlets (26) are uniformly formed in opposite surfaces of the two air exhaust plates (3), the air outlets (26) are communicated with the second passage (25), and the first passage (24) is communicated with the second pipeline (7).

6. The product forming and cooling device for 3D printing according to claim 1, wherein: the upper end of the condensation box (10) is provided with four throwing openings (27), and the upper ends of the four throwing openings (27) are all screwed with a locking cover I (28).

7. The product forming and cooling device for 3D printing according to claim 1, wherein: the bottom of condenser box (10) is the infundibulate, install valve (33) on outlet (14) of condenser box (10) bottom.

8. The product forming and cooling device for 3D printing according to claim 1, wherein: the lower end of the interior of the condensation box (10) is fixedly connected with a bearing plate (29), and a plurality of through holes (30) which are communicated up and down are annularly distributed on the bearing plate (29).

9. The product forming and cooling device for 3D printing according to claim 8, wherein: the upper end of loading board (29) and the equal fixedly connected with flow distribution plate (31) in top of condensing box (10) inside, two be connected with a plurality of heat exchange tubes (32) between flow distribution plate (31), heat exchange tube (32) and flow distribution plate (31) switch-on each other, heat exchange tube (32) are the heliciform, flow distribution plate (31) and fan (9) of condensing box (10) upper end switch-on each other, flow distribution plate (31) and the connecting pipe three (13) of condensing box (10) lower extreme switch-on each other.

10. The product forming and cooling device for 3D printing according to claim 1, wherein: filter piece (12) including collecting cover (34), locking lid two (35), ring (36) and filter core (37), collect cover (34) and connecting pipe two (11) and put through mutually, locking lid two (35) and connecting pipe three (13) put through mutually, collect cover (34) and locking lid two (35) mutual block, collect the inside cross-section of cover (34) and be isosceles trapezoid, it has ring (36) to collect the interior block of cover (34), fixedly connected with filter core (37) on the internal perisporium of ring (36).