CN212885047U

CN212885047U - Air-cooled circulation mechanism for material increase

Info

Publication number: CN212885047U
Application number: CN202021575002.0U
Authority: CN
Inventors: 钟俊超; 卓炎; 张玲
Original assignee: Foshan Yuren Intelligent Technology Co ltd
Current assignee: Foshan Yuren Intelligent Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-06
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a material increase air-cooled circulation mechanism, including air supply box and circulated air system, the circulated air system passes through the pipeline and communicates the air supply box, the air supply box erects in one side top of work platform, the supply-air outlet of air supply box faces towards work platform, cold wind blows the printing face of the work piece of printing on the work platform through the supply-air outlet, through erectting the air supply box in one side top of work platform and making the supply-air outlet face the printing face of the work piece of printing on the work platform, thereby make the cold wind that the air supply box blew off play the effect of the high temperature air bed of disturbing the work piece surface, improve the mobility of the high temperature air near the work piece surface, and continuously supply low temperature air for the work piece surface, in order to realize the purpose of improving the heat dissipation efficiency of work piece surface, erect the return-air box on one side opposite to the air supply-air, the purpose of recovering high-temperature air is realized.

Description

Air-cooled circulation mechanism for material increase

Technical Field

The utility model relates to a vibration material disk makes technical field, concretely relates to air-cooled circulation mechanism for vibration material disk.

Background

The high heat input in the material increase manufacturing can cause the work piece rapid heating up, and in order to guarantee product quality, the work piece that the material increase printing formed on the work platform needs to keep in a relatively stable temperature level scope, and in the current material increase production process, on the cooling mode of work piece, mainly still use and shut down the mode of waiting for natural cooling. Because the air is bad heat conductor, the high temperature object is placed under the air environment of stewing, obvious temperature layering can appear in the air on object surface, the air bed with object direct contact can absorb the work piece heat and heat up, outer layer air then can not or difficult acquisition of heat because of the bad heat conductivity of air itself, finally show that the temperature of work piece surface and the air bed rather than contacting tends to keep flat and cause the heat-conduction heat transfer to tend to stop for work piece itself can only be through the heat radiation form with external transmission heat in order to dispel the heat. And because the metal heat radiation intensity is related to the temperature, the metal heat radiation intensity is lower at the working temperature in the metal additive manufacturing process, so that the cooling effect of the workpiece in the air is extremely poor when the working temperature is close to the working temperature.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cooling circulation mechanism for vibration material disk, through erect the top one side at work piece printing reference surface at work platform with the air supply case, and make the supply-air outlet of air supply case print the surface towards the work piece on the work platform, during the cooling, the air supply case continuously blows cold wind toward the printing face of work piece, with the effect that plays the high temperature air bed near the work surface that the disturbance stews, improve the mobility of the high temperature air near the work surface, be convenient for supply low temperature air toward the work surface, with the purpose that realizes improving the radiating efficiency.

The technical scheme of the utility model is realized like this:

the utility model provides a material increase air-cooled circulation mechanism, includes air supply box and circulated air system, the circulated air system passes through the pipeline intercommunication the air supply box, the air supply box erects in one side top of work platform, the supply-air outlet orientation of air supply box work platform, it is specific, the supply-air outlet of air supply box towards the printing face of the printing work piece on the work platform, and cold wind blows the printing face of the printing work piece on the work platform through the supply-air outlet promptly, and the circulated air system provides lasting cold wind for the air supply box, and cold wind blows the work piece on the surface through the supply-air outlet of air supply box, plays the effect that the near high temperature air bed of disturbance workpiece surface stood, improves the mobility of the near high temperature air of workpiece surface, is convenient for supply low temperature air toward the workpiece surface to realize the mesh that improves workpiece surface's.

Further, still include the return-air box, the return-air box sets up work platform on with the one side that the supply-air box is relative, the return-air box passes through the pipeline intercommunication the circulating air system, the return-air box plays the effect of circulating the return-air, will blow the wind on work piece surface and suck away to play the effect of taking away the hot-blast on the work platform, in order to realize the effect that reduces the air temperature around the work platform, directly set up the return-air box on work platform, and the supply-air box is located one side top of work platform, after cold wind blows the printing surface of work piece, can be under the vacuum induced draft effect of return-air box, the direction of downward return-air box flows, and then realize that cold wind blows the purpose of the surface of whole work piece, improve the whole radiating effect of work piece.

Furthermore, an air outlet of the circulating air system is communicated with the air supply box through a pipeline, and an air inlet of the circulating air system is communicated with the air return box through a pipeline.

Furthermore, the air supply outlet of the air supply box is rectangular or oval, the rectangular or oval air supply outlet can enlarge the air supply range of the air supply box, and the rectangular or oval air supply outlet is beneficial to forming an air curtain and improving the flowability of air around the working platform.

Further, the supply-air box has the reposition of redundant personnel storehouse, reposition of redundant personnel storehouse intercommunication the supply-air outlet, be equipped with the guide plate in the reposition of redundant personnel storehouse, the guide plate is located reposition of redundant personnel storehouse with between the supply-air outlet, during cold wind enters into the reposition of redundant personnel storehouse of supply-air box through the pipeline, the guide plate that the slope set up leads cold wind supply-air outlet, reposition of redundant personnel storehouse and guide plate help with the even dispersion of cold wind to supply-air outlet department.

In addition, to the appearance structure of supply-air outlet, not only can adopt rectangle or oval-shaped structure, can also adopt the structure of multiple-pass hole, promptly: the air supply opening is a plurality of through holes arranged side by side, the through holes are communicated with the flow distribution bin, a plurality of through holes arranged side by side are formed in the air supply box, and the purpose of diffusing the air supply range can be achieved.

Further, the circulated air system includes first air exhauster and second air exhauster, the air outlet of first air exhauster passes through the pipeline intercommunication the air supply case, the air intake of second air exhauster passes through the pipeline intercommunication the return air case to realize the purpose of circulated air supply and circulated return air, first air exhauster with be equipped with the heat exchanger between the second air exhauster, the heat exchanger can realize inhaling the hot-blast refrigerated effect of returning back to the return air case.

Furthermore, in the additive forming process of the work piece stacking layer by layer, the additive printing surface of the work piece is gradually far away from the table surface of the working platform, so that the additive equipment generally adopts two modes on the lifting structure, one mode is to design the lifting of the working platform, namely a lifting mechanism is designed between the working platform and the frame of the printing equipment, the other mode is to design the lifting of the printing gun head, namely the printing gun head is installed on a lifting portal frame, in order to ensure that the cold air blown out by the air supply box can always pass through the printing surface of the work piece, the air supply box is erected above the printing reference surface of the working platform or is erected on the lifting portal frame of the printing gun head, and particularly, for the additive equipment with the lifting working platform, the printing gun head does not generally do lifting motion at the moment, but does gradually descending motion during the printing process, therefore, for the material adding equipment with the liftable working platform, the air supply box is erected on the rack above the printing reference surface of the working platform, and particularly, the air supply box is erected on the rack of the printing equipment slightly above the initial printing reference surface when the working platform is not descended, so that cold air blown by the air supply box can be directly blown to the printing surface of the workpiece; as for the printing material increasing equipment for lifting the printing gun head, the air supply box is erected on the lifting portal frame of the printing gun head, the printing gun head is always positioned on the printing surface of a workpiece in the printing process, and particularly, the air supply box is erected in the lifting portal frame and is flush with the gun nozzle of the printing gun head or slightly lower than the position of the gun nozzle, so that the circulating air system can be started when the printing gun head is required to be stopped and cooled after one printing layer is finished, and cold air blown out by the air supply box can be directly blown to the printing layer.

The utility model has the advantages that: the air supply box is erected above one side of the working platform, the air supply opening faces the printing face of the printing workpiece on the working platform, so that cold air blown out by the air supply box can play a role of disturbing a high-temperature air layer on the surface of the workpiece, the flowability of the high-temperature air near the surface of the workpiece is improved, low-temperature air is continuously supplemented to the surface of the workpiece, the purpose of improving the heat dissipation efficiency of the surface of the workpiece is achieved, the air return box is erected on the working platform and on one side opposite to the air supply box, and the purpose of recycling the high-temperature air is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an air-cooling circulation mechanism for material increase of the present invention;

FIG. 2 is a schematic view of the structure of the blower box;

FIG. 3 is a schematic structural view of the air supply box erected on the lifting portal frame;

fig. 4 is a schematic structural view of the case of embodiment 2 in which the outlet is a through hole.

The attached drawings are as follows: 1. an air supply box; 2. a working platform; 3. an air return box; 4. a flow distribution bin; 5. a baffle; 6. a first exhaust fan; 7. a second exhaust fan; 8. a heat exchanger; 9. lifting the portal frame; 10. a pipeline; 11. a through hole; 12. a circulating air system; 13. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

Example 1

Referring to fig. 1 to 3, an air-cooling circulation mechanism for material increase includes an air supply box 1 and a circulation air system 12, the circulation air system 12 is communicated with the air supply box 1 through a pipeline 10, the air supply box 1 is erected above one side of a working platform 2, an air supply outlet of the air supply box 1 faces the working platform 2, specifically, an air supply outlet of the air supply box 1 faces a printing surface of a printing workpiece 13 on the working platform 2, that is, cold air is blown to the printing surface of the printing workpiece 13 on the working platform 2 through the air supply outlet, the circulation air system 12 provides continuous cold air for the air supply box 1, the cold air is blown to the surface of the printing workpiece 13 through the air supply outlet of the air supply box 1, and plays a role of disturbing a high-temperature air layer near the surface of the printing workpiece 13, improves fluidity of the high-temperature air near the surface of the workpiece 13, and achieves a purpose of improving heat.

Preferably, still include return-air box 3, return-air box 3 sets up the one side relative with supply-air box 1 on work platform 2, return-air box 3 passes through pipeline 10 intercommunication circulating air system 12, return-air box 3 plays the effect of circulating the return-air, will blow away the wind on work piece 13 surface, in order to play the effect of taking away the hot-blast on work platform 2, in order to realize the effect that reduces the air temperature around work platform 2, directly set up return-air box 3 on work platform 2, and supply-air box 1 is located one side top of work platform 2, after cold wind blows the printing face of work piece 13, can be under the effect of induced drafting of the vacuum at return-air box 3, the direction of going back-air box 3 downwards flows, and then realize the mesh that cold wind blows through the surface of whole work piece 13, improve the whole radiating effect of work piece 13.

Preferably, an air outlet of the circulating air system 12 is communicated with the air supply box 1 through a pipeline 10, and an air inlet of the circulating air system 12 is communicated with the air return box 3 through the pipeline 10.

Preferably, the air supply outlet of the air supply box 1 is rectangular or oval, the rectangular or oval air supply outlet can enlarge the air supply range of the air supply box 1, and the rectangular or oval air supply outlet is beneficial to forming an air curtain and improving the fluidity of air around the working platform.

Preferably, the supply-air box 1 has reposition of redundant personnel storehouse 4, reposition of redundant personnel storehouse 4 intercommunication supply-air outlet, be equipped with guide plate 5 in the reposition of redundant personnel storehouse 4, guide plate 5 is located between reposition of redundant personnel storehouse 4 and the supply-air outlet, cold wind enters into the reposition of redundant personnel storehouse 4 of supply-air box 1 through pipeline 10 in, guide plate 5 that the slope set up leads the supply-air outlet with cold wind, reposition of redundant personnel storehouse 4 and guide plate 5 help with the even dispersion of cold wind to supply-air outlet department, it is specific, in this embodiment, structurally about return-air box 3, adopt with supply-air box 1 the same structure can, need not to design the concrete structure of return-air box 3 separately.

Specifically, for improving the work efficiency of cold wind circulation, in this embodiment, circulated air system 12 includes first air exhauster 6 and second air exhauster 7, the air outlet of first air exhauster 6 passes through pipeline 10 and communicates supply air box 1, the air intake of second air exhauster 7 passes through pipeline 10 and communicates return air box 3, with the purpose of realizing circulated air supply and circulated return air, be equipped with heat exchanger 8 between first air exhauster 6 and the second air exhauster 7, heat exchanger 8 can play the hot-blast refrigerated effect of inhaling return air box 3 back, with the purpose of realizing that first air exhauster 6 carries cold wind for supply air box 1.

Preferably, in the additive forming process of the workpiece 13 stacked layer by layer, the additive printing surface of the workpiece 13 is gradually far away from the table surface of the working platform 2, therefore, in the lifting structure of the additive device, two ways are generally adopted, one is to lift the working platform 2, that is, a lifting mechanism is designed between the working platform 2 and the frame of the printing device, and the other is to lift the printing gun head, that is, the printing gun head is installed on the lifting portal frame 9, in this embodiment, in order to ensure that the cold air blown out by the air supply box 1 can always pass through the printing surface of the workpiece 13, the air supply box 1 is erected above the printing reference surface of the working platform 2 or is erected on the lifting portal frame 9 of the printing gun head, specifically, referring to fig. 1, for the additive device with the lifting platform, at this time, the printing gun head generally does not perform lifting motion, but the working platform 2 moves gradually downwards in the printing process, so for the additive manufacturing equipment with the working platform 2 capable of lifting, the air supply box 1 is erected on the rack above the printing reference surface of the working platform 2, specifically, referring to fig. 1, the air supply box 1 is erected on the rack of the printing equipment slightly above the initial printing reference surface when the working platform 2 does not descend, and thus, cold air blown by the air supply box 1 can be ensured to be directly blown onto the printing surface of the workpiece 13; as for the printing material adding equipment for lifting and lowering the print gun head, the air supply box 1 is erected on the lifting portal frame of the print gun head, see fig. 3, wherein fig. 3 is a schematic illustration only showing a technical scheme, so that the lifting structure of the print gun head is not shown in fig. 3, and the print gun head is always located on the printing surface of the workpiece 13 in the printing process, and therefore, more specifically, the air supply box 1 is erected in the lifting portal frame at a position flush with or slightly lower than the gun nozzle of the print gun head, so that when the print gun head needs to be stopped for cooling after a printing layer is completed, the circulating air system 12 can be started, and cold air blown out by the air supply box can be directly blown to the printing layer.

The beneficial effects of this embodiment: the air supply box is erected above one side of the working platform, the air supply opening faces the printing face of the printing workpiece on the working platform, so that cold air blown out by the air supply box can play a role of disturbing a high-temperature air layer on the surface of the workpiece, the flowability of the high-temperature air near the surface of the workpiece is improved, low-temperature air is continuously supplemented to the surface of the workpiece, the purpose of improving the heat dissipation efficiency of the surface of the workpiece is achieved, the air return box is erected on the working platform and on one side opposite to the air supply box, and the purpose of recycling the high-temperature air is achieved.

Example 2

Referring to fig. 4, in addition, for the external structure of the air blowing opening, not only a rectangular or oval structure, but also a multi-hole structure may be adopted, that is: the supply-air outlet is a plurality of through-hole 11 that sets up side by side, and a plurality of through-hole 11 all communicates reposition of redundant personnel storehouse 4, sets up a plurality of through-holes 11 that set up side by side on air supply box 1, can realize the purpose of diffusion air supply scope equally.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", "element i", "element ii" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features indicated. Thus, features defined as "first", "second", "element i", "element ii" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The air cooling circulation mechanism for the material increase is characterized by comprising an air supply box and a circulation air system, wherein the circulation air system is communicated with the air supply box through a pipeline, the air supply box is erected above one side of a working platform, an air supply opening of the air supply box faces the working platform, and cold air is blown to a printing surface of a printing workpiece on the working platform through the air supply opening.

2. The additive air cooling circulation mechanism according to claim 1, further comprising a return air box provided on a side of the work platform opposite to the supply air box, the return air box communicating with the circulation air system through a duct.

3. The additive air cooling circulation mechanism according to claim 2, wherein an air outlet of the circulation air system is communicated with the air supply box through a pipeline, and an air inlet of the circulation air system is communicated with the air return box through a pipeline.

4. The air cooling circulation mechanism for the additive material according to claim 1, wherein the air supply box is provided with a diversion bin, the diversion bin is communicated with the air supply opening, a guide plate is arranged in the diversion bin, and the guide plate is located between the diversion bin and the air supply opening.

5. The additive air cooling circulation mechanism according to claim 4, wherein the air supply outlet of the air supply box is rectangular or oval.

6. The air cooling circulation mechanism for the additive material according to claim 4, wherein the air supply outlet is a plurality of through holes arranged side by side, and the plurality of through holes are communicated with the flow dividing bin.

7. The additive air-cooling circulation mechanism according to claim 2, wherein the circulation air system comprises a first air blower and a second air blower, an air outlet of the first air blower is communicated with the air supply box through a pipeline, an air inlet of the second air blower is communicated with the air return box through a pipeline, and a heat exchanger is arranged between the first air blower and the second air blower.

8. The air cooling circulation mechanism for the additive material according to claim 1, wherein the air supply box is erected above a printing reference surface of the working platform or on a lifting gantry of a printing gun head.