CN106002642B - The post-processing shot-blast unit and its working method of 3D printing parts - Google Patents
The post-processing shot-blast unit and its working method of 3D printing parts Download PDFInfo
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- CN106002642B CN106002642B CN201610551602.5A CN201610551602A CN106002642B CN 106002642 B CN106002642 B CN 106002642B CN 201610551602 A CN201610551602 A CN 201610551602A CN 106002642 B CN106002642 B CN 106002642B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The post-processing shot-blast unit and its working method of 3D printing parts, belong to the post-processing technology field of 3D printing, device includes air pump device, shot-peening equipment, heat treatment apparatus, parts after-treatment device and frame support means, and method is divided into five steps.The present invention realizes the automation of 3D printing parts last handling process, not only alleviates labour, but also improves the efficiency of 3D printing parts post-processing, saves the plenty of time.In the way of the present invention handles 3D printing parts in a manner of automating injection high temp glass pearl instead of artificial surface polishing, the surface roughness of parts is made to reduce, intensity increases, and reduces danger.After being polished using the present invention, device brightness throughout coefficient keeps uniform, is not easy to leave watermark.The present invention is the addition new construction Curve guide impeller on traditional aluminium alloy shot-peening machine equipment, and transformation processing cost is low, and the inheritance of manufacturing process and technological process is good.
Description
Technical field
The invention belongs to the post-processing technology fields of 3D printing, especially relate to a kind of post-processing of 3D printing parts
Shot-blast unit and its working method.
Background technology
3D printing technique be one kind based on digital model file, can bond material with powdery metal or plastic etc.
Material constructs the technology of object by layer-by-layer printing.The parts of high-quality can be produced using 3D printing technique,
But since component surface that 3D printing comes out is coarse, the lines that successively prints is high-visible, to cause, part strength is low, the longevity
Order that short, appearance is bad, when especially having the case where a large amount of supports in parts, problem is especially prominent.This is just needed to parts
It is post-processed, especially the surface polishing treatment of parts.
Polishing method at this stage has physics polishing and chemical polishing.Now, existing most common post-processing in the market
Pattern includes following a few classes：
One, sand paper is polished --- and physics polishes
Sand paper polishing now can polish or by hand using professional equipment as resinder.Sand paper is polished
A kind of cheap and effective method, is always to polish the most wide technology of the most frequently used, use scope in the 3D printing parts later stage.
But, sand paper polishing can be problematic when handling more small parts, because it is by human hand or machinery
It moves back and forth, the place that human hand reaches just is not polished.The object generally printed with FDM technology often has a circle circle
Lines, and if surface texture is complicated, can also consume a large amount of time；And be also required in detail to parts have precision and
The requirement of durability increases calculating, carries out benchmark test and using problems of high cost such as which tools.
Two, chemical polishing
3D printing parts need dedicated PLA burnishing oils, and chemical polishing to master is spent well, because being all to corrode
Surface is as cost, but for entirety, and chemical polishing at present is not mature enough, and application is fewer.
Three, surface sand-blasting
Surface sand-blasting is also common aftertreatment technology, and operating personnel hold nozzle towards polishing object high speed ejection medium
Globule is to achieve the effect that polishing.Bead-blast is produced generally than that comparatively fast, can handle within about 5~10 minutes completion after processed
Product surface is smooth, there is uniform matt effect.But this post-processing technology needs certain manpower, and there are certain danger
Property.
Therefore there is an urgent need for a kind of novel technical solutions to solve the problems, such as this in the prior art.
Invention content
The technical problem to be solved by the present invention is to：A kind of the post-processing shot-blast unit and its work of 3D printing parts are provided
Make method, after solving 3D printing parts, the lines due to rough surface, successively printed is high-visible, and causes part
Intensity is low, short life, appearance are bad；The technical problems such as post-processing technology time cost now is high, operational danger is big.
A kind of post-processing shot-blast unit of 3D printing parts, it is characterized in that：Including air pump device, shot-peening equipment,
Heat treatment apparatus, parts after-treatment device and frame support means,
The air pump device includes gas-guide tube, gas bomb, pedestal, air pump and threeway I；The shot-peening equipment includes adding
Press tank, ejecta sebific duct, ejecta entrance, spray gun, threeway II and cone valve；The heat treatment apparatus includes heating tube and electricity
Thermal element；The parts after-treatment device includes hollow crankshaft, organic glass cylindrical drum and parts entrance；The holder branch
Support arrangement includes support bottom support bracket and bearing；
The air pump is connect by gas-guide tube with gas bomb；The gas bomb by base supports and fixation, gas bomb with
Gas-guide tube connects；The gas-guide tube is connect with the input end of threeway I；The one outlet of the threeway I passes through gas-guide tube and pressurization
Tank connects, another outlet of threeway I is connect by gas-guide tube with threeway II；
The top of the pressurized canister is provided with ejecta entrance, and cone valve is equipped with inside pressurized canister, and the lower part of pressurized canister is
The lower part of back taper, pressurized canister is connect with threeway II；The threeway II is fixedly connected by ejecta sebific duct with spray gun；The spray
It is bead adding mouth to penetrate object entrance, and bead is pressed out to ejecta sebific duct after being mixed with the compressed air in pressurized canister；
It is provided with heating element on the madial wall of the heating tube；The heating tube is sleeved on the outside of ejecta sebific duct；
The hollow crankshaft is fixedly connected with spray gun, and hollow crankshaft connects behind the center of organic glass cylindrical drum with bearing
It connects；It is provided with parts entrance in the organic glass cylindrical drum；
The bottom support bracket is connect by bearing with organic glass cylindrical drum.
It is provided with pressure switch and relief valve on the gas bomb.
The working method of the post-processing shot-blast unit of 3D printing parts, it is characterized in that：Include the following steps
Step 1: opening parts entrance, parts to be post-processed are put into organic glass cylindrical drum, close parts
Entrance；
Step 2: booster air pump, compressed gas is imported gas bomb by air pump by gas-guide tube, then passes through gas-guide tube and threeway
Compressed gas is transmitted to shot-peening equipment by I；
Step 3: compressed gas is flow to by gas-guide tube inside pressurized canister, it is put into pressurized canister by ejecta entrance
Bead, bead mix in pressurized canister with compressed gas, and are pressed out to ejecta sebific duct；
Step 4: bead moves in ejecta sebific duct to parts after-treatment device, pass through heating tube pair in mobile
Bead heats, then by spray gun, in injection to organic glass cylindrical drum；
Step 5: bead is ejected into organic glass cylindrical drum, bead reciprocating ejection in organic glass cylindrical drum,
Organic glass cylindrical drum is set to rotate, organic glass cylindrical drum drives 3D printing component movement to be post-processed, and completes 3D printing
The post-processing shot-peening process of parts.
By above-mentioned design scheme, the present invention can bring following advantageous effect：
1, the present invention realizes the automation of 3D printing parts last handling process, not only alleviates labour, Er Qieti
The high efficiency of 3D printing parts post-processings, saves the plenty of time.
2, the present invention handles 3D printing zero in a manner of automating injection high temp glass pearl instead of artificial surface polishing
The mode of component makes the surface roughness of parts reduce, and intensity increases, and reduces danger.
3, the filler used in the present invention is bead, and bead is produced using quality material, that is, is had certain
Mechanical strength, diameter dimension are 500 microns, and SiO2 contents are more than or equal to 68%, and hardness has enough elasticity up to 6-7 Mohs,
Good evenness is more than 80% at circle rate, and epigranular, air bubble content is extremely low, keeps shot-peening device brightness throughout coefficient after spray
Uniformly, it is not easy to leave watermark.
4, the present invention is the addition new construction Curve guide impeller on traditional aluminium alloy shot-peening machine equipment, and processing cost is transformed
Low, the inheritance of manufacturing process and technological process is good.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated：
After Fig. 1 is 3D printing parts in the post-processing shot-blast unit and its working method of 3D printing parts of the present invention
Handle the structural schematic diagram of shot-blast unit.
After Fig. 2 is 3D printing parts in the post-processing shot-blast unit and its working method of 3D printing parts of the present invention
Handle the configuration schematic diagram of shot-blast unit.
1- air pump devices, 2- shot-peenings equipment, 3- heat treatment apparatus, 4- parts after-treatment device, 5- branch in figure
Rack supporting device, 101- gas-guide tubes, 102- gas bombs, 103- pedestals, 104- air pumps, 105- threeways I, 201- pressurized canister, 202-
Ejecta sebific duct, 203- ejectas entrance, 204- spray guns, 205- threeways II, 301- heating tubes, 401- hollow crankshafts, 402- have
Machine glass cylinder cylinder, 403- parts entrance, 501- bottom support brackets, 502- bearings.
Specific implementation mode
As shown, a kind of post-processing shot-blast unit of 3D printing parts, it is characterized in that：Including air pump device 1, shot-peening
Equipment 2, heat treatment apparatus 3, parts after-treatment device 4 and frame support means 5,
The air pump device 1 includes gas-guide tube 101, gas bomb 102, pedestal 103, air pump 104 and threeway I 105；The spray
Ball equipment 2 includes pressurized canister 201, ejecta sebific duct 202, ejecta entrance 203, spray gun 204, threeway II 205 and cone valve；
The heat treatment apparatus 3 includes heating tube 301 and heating element；The parts after-treatment device 4 includes hollow crankshaft
401, organic glass cylindrical drum 402 and parts entrance 403；The frame support means 5 include support bottom support bracket 501 and
Bearing 502；
The air pump 104 is connect by gas-guide tube 101 with gas bomb 102；The gas bomb 102 is connected with pedestal 103, storage
Gas cylinder 102 is supported and is fixed by pedestal 103, and gas bomb 102 is connect with gas-guide tube 101；The gas-guide tube 101 and threeway I 105
Input end connection；The one outlet of the threeway I 105 is connect by gas-guide tube 101 with pressurized canister 201, threeway I 105 it is another
One outlet is connect by gas-guide tube 101 with threeway II 205；
The top of the pressurized canister 201 is provided with ejecta entrance 203, and cone valve, pressurized canister are equipped with inside pressurized canister 201
201 lower part is back taper, and the lower part of pressurized canister 201 is connect with threeway II 205；The threeway II 205 passes through ejecta sebific duct
202 are fixedly connected with spray gun 204；The ejecta entrance 203 is bead adding mouth, bead and the pressure in pressurized canister 201
It is pressed out to ejecta sebific duct 202 after the mixing of contracting air；
It is provided with heating element on the madial wall of the heating tube 301；The heating tube 301 is sleeved on ejecta sebific duct
202 outside；
The hollow crankshaft 401 is fixedly connected with spray gun 204, and hollow crankshaft 401 passes through in organic glass cylindrical drum 402
It is connect with bearing 502 after the heart；It is provided with parts entrance 403 in the organic glass cylindrical drum 402；
The bottom support bracket 501 is connect by bearing 502 with organic glass cylindrical drum 402.
It is provided with pressure switch and relief valve on the gas bomb 102.
Further, the air pump device 1 is located at the side of shot-peening equipment 2.
Further, the shot-peening equipment 2 is provided with the cone valve for adjusting flow.
Further, the heat treatment apparatus 3 is provided with the heating elements such as heating tube 301 and heating wire.
Further, the parts after-treatment device 4, which is provided with, can provide organic rotation of glass cylinder cylinder 402 and spray
Penetrate the hollow crankshaft 401 of the bead after heating.
Further, bent axle can be provided by, which being provided in the frame support means 5, preferably rotates, reduces in rotation process
Friction bearing 502.
Further, the air pump device 1, shot-peening equipment 2, heat treatment apparatus 3, parts after-treatment device 4
And frame support means 5 are mounted on screw above base platform.
The working method of the post-processing shot-blast unit of 3D printing parts, it is characterized in that：Include the following steps
Step 1: opening parts entrance 403, parts to be post-processed are put into organic glass cylindrical drum 402, are closed
Parts entrance 403；
Step 2: booster air pump 104, compressed gas is imported gas bomb 102 by air pump 104 by gas-guide tube 101, then is passed through
Compressed gas is transmitted to shot-peening equipment 2 by gas-guide tube 101 and threeway I 105；
Step 3: compressed gas is flow to by gas-guide tube 101 inside pressurized canister 201, by ejecta entrance 203 to pressurization
Bead is put into tank 201, bead mixes in pressurized canister 201 with compressed gas, and is pressed out to ejecta sebific duct 202；
Step 4: bead moves in ejecta sebific duct 202 to parts after-treatment device 4, pass through heating in mobile
Pipe 301 heats bead, then by spray gun 204, in injection to organic glass cylindrical drum 402；
Step 5: bead is ejected into organic glass cylindrical drum 402, bead is past in organic glass cylindrical drum 402
Multiple ejection, makes organic glass cylindrical drum 402 rotate, and organic glass cylindrical drum 402 drives 3D printing parts to be post-processed to transport
It is dynamic, complete the post-processing shot-peening process of 3D printing parts.
The purpose of the present invention is to provide it is a kind of applied to 3D printing parts post-processing device, have it is compact-sized,
Processing cost is low, save the features such as time 3D printing parts post-processing shot-blast unit.After realizing 3D printing parts
The automation of reason, not only alleviates labour, reduces danger, and improves the efficiency of 3D printing parts post-processing,
Making treated, parts intensity increases, and surface roughness reduces, and shape is more attractive.
Specific workflow is as follows, first opens the parts entrance 403 of organic glass cylindrical drum 402, will be to be post-processed
Parts are put into organic glass cylindrical drum 402, fasten organic glass cylindrical drum 402；Then by 104 power cord of air pump and power supply
It is connected, the compressed gas stored in air pump 104 is flow to by gas-guide tube 101 in the pressurized canister 201 of shot-peening equipment 2；Again
Place a large amount of bead into the ejecta entrance 203 of shot-peening equipment 2, bead in pressurized canister 201 with compressed gas
Body mixes, and is pressed out to ejecta sebific duct 202；Bead flows through heater 301, heater by ejecta sebific duct 202 later
After 301 pairs of beades heat, bead is ejected into organic glass cylindrical drum 402 by spray gun 204；Finally by
In bead, reciprocating ejection, generation imbalance make organic glass cylindrical drum 402 rotate in organic glass cylindrical drum 402,
It drives parts to be post-processed to move, completes the post-processing shot-peening process of 3D printing parts.
Claims (3)
1. a kind of post-processing shot-blast unit of 3D printing parts, it is characterized in that：Including air pump device (1), shot-peening equipment
(2), heat treatment apparatus (3), parts after-treatment device (4) and frame support means (5),
The air pump device (1) includes gas-guide tube (101), gas bomb (102), pedestal (103), air pump (104) and threeway I
(105)；The shot-peening equipment (2) includes pressurized canister (201), ejecta sebific duct (202), ejecta entrance (203), spray gun
(204), threeway II (205) and cone valve；The heat treatment apparatus (3) includes heating tube (301) and heating element；Described zero
Component after-treatment device (4) includes hollow crankshaft (401), organic glass cylindrical drum (402) and parts entrance (403)；It is described
Frame support means (5) include support bottom support bracket (501) and bearing (502)；
The air pump (104) is connect by gas-guide tube (101) with gas bomb (102)；The gas bomb (102) passes through pedestal
(103) it supports and fixed, gas bomb (102) is connect with gas-guide tube (101)；The gas-guide tube (101) and threeway I (105) into
The connection of mouth end；The one outlet of the threeway I (105) is connect by gas-guide tube (101) with pressurized canister (201), threeway I (105)
Another outlet connect with threeway II (205) by gas-guide tube (101)；
The top of the pressurized canister (201) is provided with ejecta entrance (203), and cone valve is equipped with inside pressurized canister (201), pressurizes
The lower part of tank (201) is back taper, and the lower part of pressurized canister (201) is connect with threeway II (205)；The threeway II (205) passes through
Ejecta sebific duct (202) is fixedly connected with spray gun (204)；The ejecta entrance (203) be bead adding mouth, bead with
It is pressed out to ejecta sebific duct (202) after compressed air mixing in pressurized canister (201)；
It is provided with heating element on the madial wall of the heating tube (301)；The heating tube (301) is sleeved on ejecta sebific duct
(202) outside；
The hollow crankshaft (401) is fixedly connected with spray gun (204), and hollow crankshaft (401) passes through organic glass cylindrical drum (402)
Center after connect with bearing (502)；It is provided with parts entrance (403) on the organic glass cylindrical drum (402)；
The bottom support bracket (501) is connect by bearing (502) with organic glass cylindrical drum (402).
2. the post-processing shot-blast unit of 3D printing parts according to claim 1, it is characterized in that：The gas bomb
(102) pressure switch and relief valve are provided on.
3.3D prints the working method of the post-processing shot-blast unit of parts, uses 3D printing zero as described in claim 1
The post-processing shot-blast unit of part, it is characterized in that：Include the following steps
Step 1: opening parts entrance (403), parts to be post-processed are put into organic glass cylindrical drum (402), are closed
Parts entrance (403)；
Step 2: booster air pump (104), compressed gas is imported gas bomb (102) by air pump (104) by gas-guide tube (101), then
Compressed gas is transmitted to shot-peening equipment (2) by gas-guide tube (101) and threeway I (105)；
Step 3: by gas-guide tube (101) to flow to pressurized canister (201) internal for compressed gas, by ejecta entrance (203) to adding
It is put into bead in pressure tank (201), bead mixes in pressurized canister (201) with compressed gas, and is pressed out to ejecta sebific duct
(202)；
Step 4: bead is mobile to parts after-treatment device (4) in ejecta sebific duct (202), pass through heating in mobile
It manages (301) to heat bead, then by spray gun (204), in injection to organic glass cylindrical drum (402)；
Step 5: bead is ejected into organic glass cylindrical drum (402), bead is past in organic glass cylindrical drum (402)
Multiple ejection, makes organic glass cylindrical drum (402) rotate, and organic glass cylindrical drum (402) drives 3D printing to be post-processed zero
Part moves, and completes the post-processing shot-peening process of 3D printing parts.
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| CN201610551602.5A CN106002642B (en) | 2016-07-14 | 2016-07-14 | The post-processing shot-blast unit and its working method of 3D printing parts |
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| CN201610551602.5A CN106002642B (en) | 2016-07-14 | 2016-07-14 | The post-processing shot-blast unit and its working method of 3D printing parts |
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| CN106002642A CN106002642A (en) | 2016-10-12 |
| CN106002642B true CN106002642B (en) | 2018-07-13 |
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| CN114559057B (en) * | 2022-01-27 | 2023-11-10 | 上海工程技术大学 | Composite device and method for improving fatigue performance of additive manufacturing metal component |
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| Publication number | Publication date |
|---|---|
| CN106002642A (en) | 2016-10-12 |
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