CN106312063A - Additive manufacturing forming cylinder drive mechanism, forming cylinder and additive manufacturing equipment - Google Patents
Additive manufacturing forming cylinder drive mechanism, forming cylinder and additive manufacturing equipment Download PDFInfo
- Publication number
- CN106312063A CN106312063A CN201610783118.5A CN201610783118A CN106312063A CN 106312063 A CN106312063 A CN 106312063A CN 201610783118 A CN201610783118 A CN 201610783118A CN 106312063 A CN106312063 A CN 106312063A
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- China
- Prior art keywords
- cantilever
- drive mechanism
- cylinder
- drive
- increasing material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
The invention discloses an additive manufacturing forming cylinder drive mechanism which comprises a cantilever lifting system and a dynamic compensation system. The cantilever lifting system comprises a cantilever and a cantilever drive mechanism. The cantilever comprises an installation end installed on the cantilever drive mechanism and a free end used for fixing a base plate. The cantilever drive mechanism drives the cantilever to conduct vertical feeding. The dynamic compensation system is connected with the cantilever and provides upward compensation force for the cantilever. The invention further discloses a forming cylinder with the drive mechanism and additive manufacturing equipment. According to the forming cylinder drive mechanism, the cantilever drive mechanism is used for replacing a piston drive mechanism so that the forming height of the additive manufacturing equipment can be greatly increased under the condition of the limited height; and meanwhile, the upward compensation force is provided for the cantilever in the descending process through the arranged dynamic compensation system, stress of the cantilever in the descending process is optimized, and the stability of the forming cylinder drive mechanism is improved.
Description
Technical field
The invention belongs to increase material and manufacture equipment technical field, be specifically related to a kind of material that increases and manufacture formation cylinder drive mechanism, also
Relate to formation cylinder and the increasing material manufacture equipment with this drive mechanism.
Background technology
Increasing material manufacturing technology is based on three-dimensional CAD model data, by the way of increasing material and successively manufacturing.It is by terms of
Calculation machine Three Dimensional Design Model is source, by software hierarchy is discrete and numerical control formation system, utilize high energy beam material is carried out by
Layer stack is amassed, and final superposition forming produces entity products.
Existing increasing material manufacture equipment formation cylinder in order to ensure good metal dust sealing, commonly used piston type liter
Descending mechanism, it may be assumed that being driven forming platform bottom and top feed below forming platform by leading screw, therefore, the length of leading screw at least shapes
The twice of height.In order to control the whole height of equipment, will make to increase material and manufacture equipment and can the height of formation of parts be limited
System, if in order to increase equipment can forming height, then the big quantity space below forming platform can be made by shared by leading screw, make to set
Standby highly increase considerably, equipment can be brought further to assemble, being greatly increased of maintenance cost, also bring along to the use of equipment
Inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of material that increases and manufacture formation cylinder drive mechanism, solve existing drive mechanism and cause molding
Equipment can the limited technical problem of forming height.
It is a further object of the present invention to provide to there is the formation cylinder of above-mentioned drive mechanism and increase material and manufacture equipment.
A technical scheme of the present invention is, a kind of material that increases manufactures formation cylinder drive mechanism, including cantilever elevation
System and dynamic compensating system；Cantilever elevation system includes cantilever and cantilever drive mechanism, and cantilever includes that one is installed on cantilever and drives
Installation end and one on motivation structure is for fixing the free end of substrate, and cantilever drive mechanism drives cantilever bottom and top feed；Dynamically mend
System of repaying is connected with cantilever, provides a balancing force upwards for cantilever.
The feature of this drive mechanism also resides in:
Above-mentioned dynamic compensating system includes cylinder, movable pulley system, baroceptor and air pressure regulator, and cylinder is fixedly arranged on
Cantilever drive mechanism side, movable pulley system includes that drive, driving member and the drive being fixedly connected with power axle support knot
Structure, drive is fixed on cylinder ejector masthead end by drive supporting construction, and the driving member one end striding across drive is fixed on
On cantilever, the other end maintains static；Baroceptor and air pressure regulator are positioned in cylinder intake gas circuit, and baroceptor is used for
Measuring cylinder inlet gas pressure, air pressure regulator is for driving cylinder and regulating the inlet gas pressure of cylinder；Described drive mechanism is also wrapped
Include for detecting and feed back down load power that cantilever is subject to the measurement apparatus of driving mechanisms control device, driving mechanisms control device
The inlet gas pressure of air pressure regulator regulation cylinder is controlled according to down load power.
Above-mentioned measurement apparatus is for measuring and feed back cantilever falling head or cantilever drive mechanism moment of torsion to described drive mechanism
The measurement apparatus of controller, described driving mechanisms control device is according to cantilever falling head or cantilever drive mechanism torque arithmetic cantilever
The down load power being subject to, and control air pressure regulator regulation cylinder inlet gas pressure.
Further, measurement apparatus is the servomotor for cantilever drive mechanism, or is arranged at cantilever drive mechanism side
Grating scale.
Above-mentioned measurement apparatus can also be for the device for measuring force being installed on cantilever.
Further, above-mentioned movable pulley system is belt transmission system or chain drive system.
Further, above-mentioned drive supporting construction is provided with for ensureing that described dynamic sealing system vertically moves up and down
Guider.
Further, above-mentioned cantilever elevation system also includes the longitudinal direction for the motion of auxiliary boom vertically bottom and top feed
Guiding mechanism.
Further, above-mentioned cylinder intake pipeline is provided with air-stopping protective device.
Another technical scheme of the present invention is, a kind of material that increases manufactures formation cylinder, drives including above-mentioned formation cylinder
Mechanism and working chamber；Offering longitudinal opening on working chamber one sidewall, cantilever free end stretches in working chamber through longitudinal opening,
For fixing substrate；Striding across driving member one end of drive to be fixed on cantilever and be positioned in the part outside formation cylinder, the other end is fixed
Motionless.
Present invention also offers a kind of increasing material with above-mentioned formation cylinder and manufacture equipment.
The invention has the beneficial effects as follows, formation cylinder drive mechanism of the present invention, by using cantilever drive mechanism to replace piston
Drive mechanism so that increasing material manufacture equipment, in the case of limited height, can be significantly increased by forming height；Meanwhile, the present invention is led to
Cross and dynamic compensating system is set, during declining, provide a balancing force upwards for cantilever, make cantilever during declining
Stress optimized, improve the stability of this formation cylinder drive mechanism.
Accompanying drawing explanation
Fig. 1 is that the material that increases of the present invention manufactures the structural representation of formation cylinder.
In figure, 1. cantilever, 2. screw drive mechanism, 3. working chamber, 4. longitudinal opening, 5. substrate, 6. cylinder, 7. pulley props up
Support structure, 8. pulley, 9. transmission band, 10. guiding rail, 11. directive wheels, 12. air pressure regulators, 13. grating scales, 14. slide blocks
Sliding track mechanism, 15. baroceptors, 16. servomotors, 17. driving mechanisms control devices.
Detailed description of the invention
The present invention is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings, but the present invention is not limited to
These embodiments.
Embodiment 1
The increasing material of the present invention manufactures formation cylinder drive system and includes cantilever elevation system and dynamic compensating system.
In a kind of structure of this drive system, cantilever elevation system includes cantilever 1 and screw drive mechanism 2, such as Fig. 1 institute
Showing, cantilever 1 one end is installed on screw drive mechanism 2, and another free end is used for fixing substrate 5.Screw drive mechanism 2 drives outstanding
Arm 1 bottom and top feed, drives substrate 5 to lift.Screw drive mechanism 2 side is provided with slide block sliding track mechanism 14, itself and cantilever 1 phase
Even, auxiliary boom 1 bottom and top feed moves, it is ensured that cantilever 1 vertically moves up and down.Cantilever 1 upper surface arranges strong sensing
Device, for measuring and feed back the down load power that cantilever is subject to.
Dynamic compensating system includes the cylinder 6 being fixedly arranged on screw drive mechanism 2 side, and cylinder ejector masthead end passes through pulley
Supporting construction 7 is fixed with pulley 8, strides across transmission band 9 one end of pulley 8 and is fixed on cantilever 1 and is positioned in the part outside formation cylinder, separately
One end is fixed in frame.Pulley 8, transmission band 9 and pulley support structure 7 form movable pulley system.When cantilever 1 declines, pull
Transmission band moves downward, and then drives movable pulley system to move downward.Pulley support structure 7 both sides are provided with leading of vertical direction
Direction guiding rail 10, supporting construction 7 is provided with directive wheel 11, and directive wheel 11 bootable pulley support structure 7 exists along guiding rail 10
Move along a straight line on vertical direction, it is ensured that whole movable pulley system is the most vertically moving.
Being provided with baroceptor 15 and air pressure regulator 12 in cylinder 6 air inlet gas circuit, baroceptor 15 is used for measuring
Cylinder inlet gas pressure, air pressure regulator 12 is for driving cylinder and adjusting the inlet gas pressure of cylinder.The measurement result of force transducer
Feeding back to the controller 17 of drive system, the down load power being subject to according to cantilever controls air pressure regulator 12 and regulates cylinder 6
Inlet gas pressure, and then adjust the thrust of cylinder top rod, make cylinder power output upwards be approximately equal to down load power all the time, its
The thrust output of middle cylinder measures the controller 17 obtaining and feeding back to drive system by baroceptor 15, the most just can lead to
Cross the down load that balancing force upwards goes balanced cantilever to be subject to.
Cylinder intake gas circuit is provided with air-stopping protective device, and when occurring dying unexpected, air-stopping protective device can be cut at once
Disconnected cylinder intake gas circuit, it is ensured that the gas in cylinder will not leak, and still can compensate contilever load.
Embodiment 2
In the another kind of structure of this drive system, the structure of cantilever elevation system is with embodiment 1, and difference is, on cantilever 1
It is not provided with force transducer, and obtains cantilever falling head or servo electricity by the servomotor 16 in screw drive mechanism 2
Machine moment of torsion, and altitude information or torque data are fed back to the controller 17 of drive system, by calculating this height or turning round
The down load power that square lower cantalever is subject to, then regulate the inlet gas pressure of air pressure regulator 12 so that it is balancing force upwards and cantilever
The down load being subject to balances each other.The structure of dynamic compensating system is with embodiment 1, and difference is, movable pulley system is by sprocket wheel, chain
Bar and sprocket wheel supporting construction composition.
Embodiment 3
In the another kind of structure of this drive system, the structure of cantilever elevation system is with embodiment 1, and difference is, on cantilever 1
It is not provided with force transducer, and by rational height measurement apparatus on screw drive mechanism 2, measures and feed back cantilever falling head
To the controller 17 of drive system, as arranged grating scale 13 in screw drive mechanism side.The structure of dynamic compensating system is with real
Execute example 1.
Above-mentioned increasing material manufactures the work process of formation cylinder drive mechanism: on the one hand, screw drive mechanism 2 drives cantilever 1
Bottom and top feed, drives substrate 5 to move up and down.This cantilever elevation system is used to replace piston drive mechanism to increase material manufacture and set
Standby in the case of limited height, can be significantly increased by forming height.On the other hand, powder bed constantly thickens, the load that cantilever bears
Lotus increases the most accordingly, the down load power born by direct or indirect device for measuring force detection cantilever, the control of drive system
Device compares down load power and the size of cylinder thrust that cantilever bears, when the absolute value of down load power Yu cylinder thrust difference
When exceeding default threshold value, adjusted the target air pressure value of input cylinder by air pressure regulator, make cylinder thrust approximate all the time
Downward loading force.The most just can go, by balancing force upwards, the downward load that balanced cantilever is subject to, it is ensured that cantilever drives
The stability of structure.
The increasing material with above-mentioned drive system manufactures formation cylinder, offers longitudinal opening 3 on its sidewall, and leading screw drives machine
Structure 5 is positioned at outside working chamber, and cantilever 4 one end is installed on screw drive mechanism 5, and the other end is opened through the longitudinal direction on working chamber's sidewall
Mouth 3 stretches in working chamber 1, and substrate 2 is positioned at working chamber and is fixed on cantilever 4.Screw drive mechanism drives cantilever 4 along longitudinal direction
Opening 3 bottom and top feed, drives substrate 2 shaping indoor lifting.This structure ensure that coordinating of drive system and working chamber, and then
Make increasing material manufacture equipment in the case of limited height, can be significantly increased by forming height.
Formation cylinder drive mechanism of the present invention, by using cantilever drive mechanism to replace piston drive mechanism so that increase material system
Manufacturing apparatus, in the case of limited height, can be significantly increased by forming height；Meanwhile, the present invention by arranging dynamic compensating system,
During declining, provide a balancing force upwards for cantilever, make cantilever stress during declining be optimized, improve
The stability of this formation cylinder drive mechanism.
Above description of the present invention is section Example, but the invention is not limited in above-mentioned detailed description of the invention.
Above-mentioned detailed description of the invention is schematic, is not restrictive.The structure of every employing present invention, without departing from this
In the case of bright objective and scope of the claimed protection, within all concrete expansions all belong to protection scope of the present invention.
Claims (10)
1. one kind increases material manufacture formation cylinder drive mechanism, it is characterised in that include cantilever elevation system and dynamic compensating system；Outstanding
Arm jacking system includes cantilever and cantilever drive mechanism, and cantilever includes that one is installed on the installation end in cantilever drive mechanism and a use
In the free end of fixing substrate, cantilever drive mechanism drives cantilever bottom and top feed；Dynamic compensating system is connected with cantilever, for cantilever
One balancing force upwards is provided.
Increasing material the most according to claim 1 manufactures formation cylinder drive mechanism, it is characterised in that described dynamic compensating system bag
Including cylinder, movable pulley system, baroceptor and air pressure regulator, cylinder is fixedly arranged on cantilever drive mechanism side, movable pulley system
System includes drive, driving member and the drive supporting construction being fixedly connected with power axle, and drive supports knot by drive
Structure is fixed on cylinder ejector masthead end, and the driving member one end striding across drive is fixed on cantilever, and the other end maintains static；Air pressure
Sensor and air pressure regulator are positioned in cylinder intake gas circuit, and baroceptor is used for measuring cylinder inlet gas pressure, air pressure voltage stabilizing
Device is for driving cylinder and regulating the inlet gas pressure of cylinder；Described drive mechanism also includes for detecting and feeding back what cantilever was subject to
Down load power controls air pressure voltage stabilizing to the measurement apparatus of driving mechanisms control device, driving mechanisms control device according to down load power
The inlet gas pressure of device regulation cylinder.
Increasing material the most according to claim 2 manufactures formation cylinder drive mechanism, it is characterised in that described measurement apparatus is for measuring
And feed back cantilever falling head or the measurement apparatus of cantilever drive mechanism moment of torsion extremely described driving mechanisms control device, described driving machine
The down load power that structure controller is subject to according to cantilever falling head or cantilever drive mechanism torque arithmetic cantilever, and control air pressure
Manostat regulation cylinder inlet gas pressure.
Increasing material the most according to claim 3 manufactures formation cylinder drive mechanism, it is characterised in that described measurement apparatus is for being used for
The servomotor of cantilever drive mechanism, or it is arranged at the grating scale of cantilever drive mechanism side.
Increasing material the most according to claim 2 manufactures formation cylinder drive mechanism, it is characterised in that described measurement apparatus is for installing
Device for measuring force on cantilever.
Increasing material the most according to claim 2 manufactures formation cylinder drive mechanism, it is characterised in that described movable pulley system is band
Drive system or chain drive system.
Increasing material the most according to claim 2 manufactures formation cylinder drive mechanism, it is characterised in that described drive supporting construction
On be provided with for ensureing the guider that described dynamic sealing system vertically moves up and down；And/or, described cantilever elevation system
Including the longitudinally guiding mechanism moved for auxiliary boom vertically bottom and top feed.
Increasing material the most according to claim 2 manufactures formation cylinder drive mechanism, it is characterised in that on described cylinder intake pipeline
It is provided with air-stopping protective device.
9. one kind increases material manufacture formation cylinder, it is characterised in that include that the increasing material manufacture according to any one of claim 1-8 shapes
Cylinder drive mechanism and working chamber；Offering longitudinal opening on working chamber one sidewall, described cantilever free end is stretched through longitudinal opening
Enter in working chamber, be used for fixing substrate；Described driving member one end is fixed on cantilever and is positioned in the part outside formation cylinder, and the other end is solid
Fixed motionless.
10. one kind increases material manufacture equipment, it is characterised in that have formation cylinder as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783118.5A CN106312063B (en) | 2016-08-30 | 2016-08-30 | A kind of increasing material manufacturing formation cylinder driving mechanism, formation cylinder and increasing material manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783118.5A CN106312063B (en) | 2016-08-30 | 2016-08-30 | A kind of increasing material manufacturing formation cylinder driving mechanism, formation cylinder and increasing material manufacturing equipment |
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| Publication Number | Publication Date |
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| CN106312063A true CN106312063A (en) | 2017-01-11 |
| CN106312063B CN106312063B (en) | 2019-11-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584627A (en) * | 2017-09-30 | 2018-01-16 | 大族激光科技产业集团股份有限公司 | Increasing material manufacturing equipment |
| CN110636913A (en) * | 2017-05-19 | 2019-12-31 | Slm方案集团股份公司 | Device and method for producing three-dimensional workpieces |
| CN110947961A (en) * | 2019-11-15 | 2020-04-03 | 北京航星机器制造有限公司 | Automatic hoop mechanism of laser selective melting additive manufacturing forming cylinder body |
| CN111971163A (en) * | 2018-03-30 | 2020-11-20 | Cmet公司 | Three-dimensional laminated molding device and method for manufacturing three-dimensional laminated molding device |
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| CN110636913B (en) * | 2017-05-19 | 2021-07-30 | Slm方案集团股份公司 | Device and method for producing three-dimensional workpieces |
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| CN111971163A (en) * | 2018-03-30 | 2020-11-20 | Cmet公司 | Three-dimensional laminated molding device and method for manufacturing three-dimensional laminated molding device |
| CN110947961A (en) * | 2019-11-15 | 2020-04-03 | 北京航星机器制造有限公司 | Automatic hoop mechanism of laser selective melting additive manufacturing forming cylinder body |
| CN110947961B (en) * | 2019-11-15 | 2021-12-21 | 北京航星机器制造有限公司 | Automatic hoop mechanism of laser selective melting additive manufacturing forming cylinder body |
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