CN106312063B - A kind of increasing material manufacturing formation cylinder driving mechanism, formation cylinder and increasing material manufacturing equipment - Google Patents
A kind of increasing material manufacturing formation cylinder driving mechanism, formation cylinder and increasing material manufacturing equipment Download PDFInfo
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- CN106312063B CN106312063B CN201610783118.5A CN201610783118A CN106312063B CN 106312063 B CN106312063 B CN 106312063B CN 201610783118 A CN201610783118 A CN 201610783118A CN 106312063 B CN106312063 B CN 106312063B
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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
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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
- B22F10/10—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
-
- 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
-
- 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)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of increasing material manufacturing formation cylinder driving mechanisms, including cantilever elevation system and dynamic compensating system；Cantilever elevation system includes cantilever and cantilever drive mechanism, and cantilever includes an installation end being installed in cantilever drive mechanism and one is used for the free end of fixed substrate, and cantilever drive mechanism drives cantilever bottom and top feed；Dynamic compensating system is connected with cantilever, provides a upward balancing force for cantilever.The invention also discloses formation cylinders and increasing material manufacturing equipment with the driving mechanism.Formation cylinder driving mechanism of the present invention replaces piston drive mechanism by using cantilever drive mechanism, so that increasing material manufacturing equipment, in the case where limited height, formable height is significantly increased；Meanwhile the present invention is provided a upward balancing force for cantilever during decline, optimizes stress of cantilever during decline, improve the stability of the formation cylinder driving mechanism by setting dynamic compensating system.
Description
Technical field
The invention belongs to increasing material manufacturing equipment technical fields, and in particular to a kind of increasing material manufacturing formation cylinder driving mechanism, also
It is related to formation cylinder and increasing material manufacturing equipment with the driving mechanism.
Background technique
Increases material manufacturing technology is based on three-dimensional CAD model data, by way of increasing material and successively manufacturing.It is in terms of
Calculation machine Three Dimensional Design Model is source, by the way that software hierarchy is discrete and numerical control formation system, using high energy beam by material carry out by
Layer heap product, final superposition forming produce physical product.
The formation cylinder of existing increasing material manufacturing equipment generallys use piston type liter to guarantee good metal powder leakproofness
Descending mechanism, it may be assumed that forming platform bottom and top feed is driven below forming platform by lead screw, therefore, the length of lead screw, which is at least, to be shaped
Twice of height.In order to control the whole height of equipment, the height that increasing material manufacturing equipment will be made to can shape part is limited
System, if can make the big quantity space below forming platform occupied by lead screw in order to increase the formable height of equipment, make to set
Standby height increases considerably, and can further bring equipment assembling, maintenance cost to greatly increase, also bring along to the use of equipment
Inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of increasing material manufacturing formation cylinder driving mechanisms, and solving existing driving mechanism causes to form
Equipment can shape height-limited technical problem.
It is a further object of the present invention to provide formation cylinders and increasing material manufacturing equipment with above-mentioned driving mechanism.
A technical solution of the present invention is a kind of increasing material manufacturing formation cylinder driving mechanism, including cantilever elevation
System and dynamic compensating system；Cantilever elevation system includes cantilever and cantilever drive mechanism, and cantilever is installed on cantilever drive including one
Installation end and one on motivation structure are used for the free end of fixed substrate, and cantilever drive mechanism drives cantilever bottom and top feed；Dynamic is mended
It repays system to be connected with cantilever, provides a upward balancing force for cantilever.
The characteristics of driving mechanism, also resides in:
Above-mentioned dynamic compensating system includes that cylinder, movable pulley system, baroceptor and air pressure regulator, cylinder are fixedly arranged on
Cantilever drive mechanism side, movable pulley system include that driving wheel, driving member and the driving wheel support being fixedly connected with power axle are tied
Structure, driving wheel are fixed on cylinder top rod top by driving wheel support construction, are fixed on across driving member one end of driving wheel
On cantilever, the other end is fixed；Baroceptor and air pressure regulator are located in cylinder intake gas circuit, and baroceptor is used for
Cylinder inlet gas pressure is measured, air pressure regulator is used to drive cylinder and adjusts the inlet gas pressure of cylinder；The driving mechanism is also wrapped
Include the measuring device for detecting and feeding back down load power that cantilever is subject to driving mechanisms control device, driving mechanisms control device
The inlet gas pressure of cylinder is adjusted according to down load power control pressure voltage-stablizer.
Above-mentioned measuring device is to measure and feed back cantilever falling head or cantilever drive mechanism torque to the driving mechanism
The measuring device of controller, the 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 pressure voltage-stablizer adjusts cylinder inlet gas pressure.
Further, measuring device is the servo motor for cantilever drive mechanism, or is set to cantilever drive mechanism side
Grating scale.
Above-mentioned measuring device can also be the device for measuring force being installed on cantilever.
Further, above-mentioned movable pulley system is belt transmission system or chain drive system.
Further, it is provided in above-mentioned driving wheel support construction for guaranteeing that the dynamic sealing system moves up and down vertically
Guiding device.
Further, above-mentioned cantilever elevation system further includes for the auxiliary boom longitudinal direction that bottom and top feed moves along the vertical direction
Guiding mechanism.
Further, above-mentioned cylinder intake pipeline is equipped with air-stopping protective device.
Another technical solution of the present invention is a kind of increasing material manufacturing formation cylinder, including the driving of above-mentioned formation cylinder
Mechanism and working chamber；Longitudinal opening is offered in working chamber's one side wall, cantilever free end passes through longitudinal opening and protrudes into working chamber,
For fixed substrate；It is fixed on across driving member one end of driving wheel on the part that cantilever is located at outside formation cylinder, the other end is fixed
It is motionless.
The present invention also provides a kind of increasing material manufacturing equipment with above-mentioned formation cylinder.
The invention has the advantages that formation cylinder driving mechanism of the present invention, replaces piston by using cantilever drive mechanism
Driving mechanism, so that increasing material manufacturing equipment, in the case where limited height, formable height is significantly increased；Meanwhile the present invention is logical
Setting dynamic compensating system is crossed, a upward balancing force is provided during decline for cantilever, makes cantilever during decline
Stress optimized, improve the stability of the formation cylinder driving mechanism.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of increasing material manufacturing formation cylinder of the invention.
In figure, 1. cantilevers, 2. screw drive mechanisms, 3. working chambers, 4. longitudinal openings, 5. substrates, 6. cylinders, 7. pulley branch
Support structure, 8. pulleys, 9. transmission belts, 10. guiding rails, 11. directive wheels, 12. air pressure regulators, 13. grating scales, 14. sliding blocks
Sliding track mechanism, 15. baroceptors, 16. servo motors, 17. driving mechanisms control devices.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to
These embodiments.
Embodiment 1
Increasing material manufacturing formation cylinder drive system of the invention includes cantilever elevation system and dynamic compensating system.
In a kind of structure of the drive system, cantilever elevation system includes cantilever 1 and screw drive mechanism 2, such as Fig. 1 institute
Show, 1 one end of cantilever is installed on screw drive mechanism 2, and another free end is used for fixed substrate 5.The driving of screw drive mechanism 2 is outstanding
1 bottom and top feed of arm drives substrate 5 to go up and down.2 side of screw drive mechanism is provided with sliding block sliding track mechanism 14, with 1 phase of cantilever
Even, 1 bottom and top feed of auxiliary boom movement guarantees that cantilever 1 moves up and down along the vertical direction.The strong sensing of 1 upper surface of cantilever setting
Device, the down load power being subject to for measuring and feeding back cantilever.
Dynamic compensating system includes the cylinder 6 for being fixedly arranged on 2 side of screw drive mechanism, and cylinder top rod top passes through pulley
Support construction 7 is fixed with pulley 8, is fixed on the part that cantilever 1 is located at outside formation cylinder across 9 one end of transmission belt of pulley 8, separately
One end is fixed on the rack.Pulley 8, transmission belt 9 and pulley support structure 7 form movable pulley system.When cantilever 1 declines, pull
Transmission belt moves downward, and then movable pulley system is driven to move downward.7 two sides of pulley support structure are provided with leading for vertical direction
Direction guiding rail 10 is equipped with directive wheel 11 in support construction 7, and the bootable pulley support structure 7 of directive wheel 11 exists along guiding rail 10
It moves along a straight line on vertical direction, guarantees that entire movable pulley system is vertically moving always.
Baroceptor 15 and air pressure regulator 12 are provided in 6 air inlet gas circuit of cylinder, baroceptor 15 is for measuring
Cylinder inlet gas pressure, air pressure regulator 12 are used to drive cylinder and adjust the inlet gas pressure of cylinder.The measurement result of force snesor
The controller 17 for feeding back to drive system adjusts cylinder 6 according to the down load power control pressure voltage-stablizer 12 that cantilever is subject to
Inlet gas pressure, and then the thrust of cylinder top rod is adjusted, the power output for keeping cylinder upward is approximately equal to down load power always,
The thrust output of middle cylinder measures the controller 17 for obtaining and feeding back to drive system by baroceptor 15, can lead in this way
Cross the down load that upward balancing force goes balanced cantilever to be subject to.
Cylinder intake gas circuit is equipped with air-stopping protective device, and when occurring dying unexpected, air-stopping protective device can be cut at once
Disconnected cylinder intake gas circuit guarantees that the gas in cylinder will not leak, still can compensate to contilever load.
Embodiment 2
In another structure of the drive system, with embodiment 1, difference is the structure of cantilever elevation system, on cantilever 1
It is not provided with force snesor, and by obtaining cantilever falling head or servo electricity for the servo motor 16 in screw drive mechanism 2
Machine torque, and altitude information or torque data are fed back into the controller 17 to drive system, by the way that the height is calculated or turns round
The down load power that square lower cantalever is subject to, then the inlet gas pressure of air pressure regulator 12 is adjusted, make its upward balancing force and cantilever
The down load being subject to balances each other.With embodiment 1, difference is the structure of dynamic compensating system, and movable pulley system is by sprocket wheel, chain
Item and sprocket wheel support construction composition.
Embodiment 3
In another structure of the drive system, with embodiment 1, difference is the structure of cantilever elevation system, on cantilever 1
It is not provided with force snesor, and by the way that height measuring device is arranged on screw drive mechanism 2, measure and feeds back cantilever falling head
To the controller 17 of drive system, grating scale 13 such as is set in screw drive mechanism side.The structure of dynamic compensating system is the same as real
Apply example 1.
The course of work of above-mentioned increasing material manufacturing formation cylinder driving mechanism is: on the one hand, screw drive mechanism 2 drives cantilever 1
Bottom and top feed drives substrate 5 to move up and down.Piston drive mechanism is replaced using the cantilever elevation system, so that increasing material manufacturing is set
For in the case where limited height, formable height is significantly increased.On the other hand, powder bed constantly thickens, the load that cantilever is born
Lotus also increases accordingly, and detects the down load power that cantilever is born, the control of drive system by direct or indirect device for measuring force
Device compares the down load power of cantilever receiving and the size of cylinder thrust, when the absolute value of down load power and cylinder thrust difference
When more than preset threshold value, the target air pressure value of input cylinder is adjusted by air pressure regulator, is approximately equal to cylinder thrust always
Downward loading force.The downward load that balanced cantilever can be gone to be subject to by upward balancing force in this way guarantees cantilever drive
The stability of structure.
Increasing material manufacturing formation cylinder with above-mentioned drive system offers longitudinal opening 3, lead screw driving machine on its side wall
Structure 5 is located at outside working chamber, and 4 one end of cantilever is installed on screw drive mechanism 5, and the longitudinal direction that the other end passes through on working chamber's side wall is opened
Mouth 3 protrudes into working chamber 1, and substrate 2 is located in working chamber and is fixed on cantilever 4.Screw drive mechanism drives cantilever 4 along longitudinal direction
Be open 3 bottom and top feeds, drives substrate 2 in forming indoor lifting.The structure ensure that the cooperation of drive system and working chamber, in turn
So that increasing material manufacturing equipment, in the case where limited height, formable height is significantly increased.
Formation cylinder driving mechanism of the present invention replaces piston drive mechanism by using cantilever drive mechanism, so that increasing material system
In the case where limited height, formable height is significantly increased manufacturing apparatus；Meanwhile the present invention passes through setting dynamic compensating system,
One upward balancing force is provided during decline for cantilever, optimizes stress of cantilever during decline, is improved
The stability of the formation cylinder driving mechanism.
Above description of the present invention is section Example, and but the invention is not limited in above-mentioned embodiment.
Above-mentioned specific embodiment is schematical, is not restrictive.It is all using structure of the invention, do not departing from this hair
In the case of bright objective and scope of the claimed protection, all specific expansions belong within protection scope of the present invention.
Claims (8)
1. a kind of increasing material manufacturing formation cylinder driving mechanism, which is characterized in that including cantilever elevation system and dynamic compensating system；It is outstanding
Arm jacking system includes cantilever and cantilever drive mechanism, and cantilever includes that an installation end being installed in cantilever drive mechanism and one use
In the free end of fixed substrate, cantilever drive mechanism drives cantilever bottom and top feed；Dynamic compensating system is connected with cantilever, is cantilever
One upward balancing force is provided；
The dynamic compensating system includes that cylinder, movable pulley system, baroceptor and air pressure regulator, cylinder are fixedly arranged on cantilever
Driving mechanism side, movable pulley system include driving wheel, driving member and the driving wheel support construction being fixedly connected with power axle, are passed
Driving wheel is fixed on cylinder top rod top by driving wheel support construction, is fixed on cantilever across driving member one end of driving wheel
On, the other end is fixed；Baroceptor and air pressure regulator are located in cylinder intake gas circuit, and baroceptor is for measuring
Cylinder inlet gas pressure, air pressure regulator are used to drive cylinder and adjust the inlet gas pressure of cylinder；The driving mechanism further includes using
In detecting and feed back the measuring device of down load power that cantilever is subject to driving mechanisms control device, driving mechanisms control device according to
The inlet gas pressure of down load power control pressure voltage-stablizer adjusting cylinder；
The guiding device to move up and down vertically for guaranteeing the dynamic compensating system is provided in the driving wheel support construction；
And/or the cantilever elevation system includes for the auxiliary boom longitudinally guiding mechanism that bottom and top feed moves along the vertical direction.
2. increasing material manufacturing formation cylinder driving mechanism according to claim 1, which is characterized in that the measuring device is measurement
And feed back the measuring device of cantilever falling head or cantilever drive mechanism torque to the driving mechanisms control device, the 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 pressure
Voltage-stablizer adjusts cylinder inlet gas pressure.
3. increasing material manufacturing formation cylinder driving mechanism according to claim 2, which is characterized in that the measuring device be for
The servo motor of cantilever drive mechanism, or it is set to the grating scale of cantilever drive mechanism side.
4. increasing material manufacturing formation cylinder driving mechanism according to claim 1, which is characterized in that the measuring device is installation
In the device for measuring force on cantilever.
5. increasing material manufacturing formation cylinder driving mechanism according to claim 1, which is characterized in that the movable pulley system is band
Transmission system or chain drive system.
6. increasing material manufacturing formation cylinder driving mechanism according to claim 1, which is characterized in that in the cylinder intake gas circuit
Equipped with air-stopping protective device.
7. a kind of increasing material manufacturing formation cylinder, which is characterized in that shaped including increasing material manufacturing of any of claims 1-6
Cylinder driving mechanism and working chamber；Longitudinal opening is offered in working chamber's one side wall, the cantilever free end is stretched across longitudinal opening
Enter in working chamber, is used for fixed substrate；Described driving member one end is fixed on the part that cantilever is located at outside working chamber, and the other end is solid
It is fixed motionless.
8. a kind of increasing material manufacturing equipment, which is characterized in that have formation cylinder as claimed in claim 7.
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 |
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| 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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| CN106312063A CN106312063A (en) | 2017-01-11 |
| CN106312063B true CN106312063B (en) | 2019-11-15 |
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| DE102017208496A1 (en) * | 2017-05-19 | 2018-11-22 | SLM Solutions Group AG | Apparatus and method for producing three-dimensional workpieces |
| CN107584627B (en) * | 2017-09-30 | 2020-06-12 | 大族激光科技产业集团股份有限公司 | Additive manufacturing apparatus |
| WO2019187111A1 (en) * | 2018-03-30 | 2019-10-03 | シーメット株式会社 | Three-dimensional laminate shaping device and method for manufacturing three-dimensional laminate shaping device |
| 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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Address after: 710075 No. 1000 Shanglinyuan No. 7 Road, Xi'an High-tech Zone, Shaanxi Province Applicant after: Xi'an platinum power technology Limited by Share Ltd Address before: 710075 A0508, pioneer Plaza, 48 tech Road, Xi'an new high tech Zone, Shaanxi Applicant before: Xi'an Bright Laser Technology Ltd. |
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