CN102896173A - Metamorphic forming device for additive manufacturing - Google Patents
Metamorphic forming device for additive manufacturing Download PDFInfo
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- CN102896173A CN102896173A CN2012103440451A CN201210344045A CN102896173A CN 102896173 A CN102896173 A CN 102896173A CN 2012103440451 A CN2012103440451 A CN 2012103440451A CN 201210344045 A CN201210344045 A CN 201210344045A CN 102896173 A CN102896173 A CN 102896173A
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- screw mandrel
- bracing frame
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Abstract
The invention discloses a metamorphic forming device for additive manufacturing, which comprises a first connecting rod mechanism, a second connecting rod mechanism, a middle up-down moving mechanism, a middle rotating mechanism, a motor support, a screw rod support frame and a connecting plate, wherein the first connecting rod mechanism is arranged on the left side of the screw rod support frame, the second connecting rod mechanism is arranged on the right side of the screw rod support frame, the middle up-down moving mechanism is arranged on the middle lower part of the screw rod support frame, the middle rotating mechanism is arranged on the middle upper part of the screw rod support frame, the first connecting rod mechanism comprises a first driving motor, a first ball screw rod, a first driving connecting rod and a first transmission connecting rod, the second connecting rod mechanism comprises a second driving motor, a second ball screw, a second driving connecting rod, a second transmission connecting rod, a second extrusion executing component, a second connecting block and a second sliding block. The invention can solve the problems of complex structure and control and insufficient rigidity in the existing melting-extruding composite additive manufacturing device.
Description
Technical field
The invention belongs to the frame for movement technical field, more specifically, relate to a kind of change born of the same parents building mortion be used to increasing the material manufacturing.
Background technology
It is successively to add the material rapid melting and solidify the manufacture that realizes the part free forming by the numerical control pointwise that metal parts increases the material manufacturing technology, increase during material is shaped in that freely melting of traditional metallic element is long-pending, because material experience rapid melting and the repeatedly Thermal Cycling that freely solidifies, have that structure property is unstable, distortion and a large problem of residual stress.For forming quality and the precision that guarantees parts, it is compound freely to melt long-pending manufacturing process and extrusion process, according to inside and the surface quality demand of part upper surface or the both side surface of molten lamination is carried out crimp.Molten long-pending pressurizing unit need to carry out according to the geometric properties of part attitude and change, and can provide enough rigidity to make melted material produce crimp simultaneously.
Existing molten long-pending extrusion molding apparatus adopts three fingers, and each finger is for comprising the cascaded structure in two joints.Yet there is following problem in existing device: (1) each joint needs motor-driven, and structure and control are complicated; (2) cascaded structure of employing tendon transmission or pinion drive, insufficient rigidity.
Summary of the invention
For the defective of prior art, the object of the present invention is to provide a kind of change born of the same parents building mortion be used to increasing the material manufacturing, be intended to solve existing the building mortion structure that exists and the problem of controlling complexity, insufficient rigidity that is used for increasing the material manufacturing.
For achieving the above object, the invention provides a kind of change born of the same parents building mortion be used to increasing the material manufacturing, comprise first connecting rod mechanism, second connecting rod mechanism, middle reciprocating mechanism, middle rotating mechanism, motor support base, the screw mandrel bracing frame, connecting plate, first connecting rod mechanism is arranged at the left side of screw mandrel bracing frame, second connecting rod mechanism is arranged at the right side of screw mandrel bracing frame, middle reciprocating mechanism is arranged at the middle and lower part of screw mandrel bracing frame, middle rotating mechanism is arranged at the middle and upper part of screw mandrel bracing frame, first connecting rod mechanism comprises the first drive motors, the first ball screw, the first drive link, first transmits connecting rod, the first extruding execution unit, guide rail, the first contiguous block, the first slide block, second connecting rod mechanism comprises the second drive motors, the second ball screw, the second drive link, second transmits connecting rod, the second extruding execution unit, the second contiguous block, the second slide block, middle reciprocating mechanism comprises the 3rd drive motors, the 3rd ball screw, the screw mandrel bearing, middle extruding execution unit, rotating shaft in the middle of middle rotating mechanism comprises, bearing spider, 4 wheel driven moves motor, second connecting rod mechanism and first connecting rod mechanism are with respect to the plane at the axis place of the moving motor of the 3rd drive motors and 4 wheel driven and are symmetrical set, top and the motor support base of screw mandrel bracing frame are fixedly linked, be used for fixing the first ball screw, the second ball screw, the 3rd drive motors, guide rail, the screw mandrel bearing, motor support base is fixed in the top of screw mandrel bracing frame, be used for placing the first drive motors and the second drive motors, the 3rd drive motors connects with the 3rd ball screw, the 3rd ball screw two ends are fixed on the screw mandrel bearing by bearing, the screw mandrel bearing is fixedly connected with the screw mandrel bracing frame, middle extruding execution unit is fixedly connected with the 3rd ball screw, and along with the rotation of the 3rd ball screw moves up and down along it, 4 wheel driven moves motor and is connected the rotating shaft connection, the middle part of middle rotating shaft is fixed on the bearing block, the lower end of middle rotating shaft is fixedly connected with the screw mandrel bracing frame, bearing block is fixedly connected on the connecting plate, the first drive motors be connected ball screw and connect, being used for driving the first ball screw rotates, the upper end of the first drive link is fixedly connected with the first ball screw, its lower end and first is transmitted connecting rod and is coupling, the middle part of the first extruding execution unit and the first lower end of transmitting connecting rod are coupling, its upper end is coupling with the first contiguous block, the first contiguous block is fixedly connected with the first slide block, the first slide block slides along guide rail, and guide rail is fixed on screw mandrel bracing frame bottom.
The screw mandrel bracing frame is the shape of falling π structure.
First connecting rod mechanism comprises that also first moves stop pin and the first rotation lock rationed marketing, and first moves stop pin is connected with the first extruding execution unit middle part by steel wire rope, and the first rotation lock rationed marketing is connected with screw mandrel bracing frame bottom by steel wire rope.
Second connecting rod mechanism comprises that also second moves stop pin and the second rotation lock rationed marketing, and second moves stop pin is connected with the second extruding execution unit middle part by steel wire rope, and the second rotation lock rationed marketing is connected with screw mandrel bracing frame bottom by steel wire rope.
By the above technical scheme that the present invention conceives, compared with prior art, the present invention has following beneficial effect:
1, simple in structure, attitude is flexible: because the present invention adopts based on the method for designing that becomes born of the same parents' principle, the first extruding execution unit can be rotated the transformation with translational motion, attitude changes flexibly, simultaneously its motion is finished by a drive motors, compare traditional structure and reduced the drive motors number, the second extruding execution unit also is so, simplifies the structure thus and controls;
2, rigidity is better: because the present invention adopts bar linkage structure, compare tendon transmission and pinion drive, have better rigidity.
Description of drawings
Fig. 1 is the overall structure figure that the present invention is used to increase the change born of the same parents building mortion that material makes.
Fig. 2 is the view of the middle reciprocating mechanism of apparatus of the present invention.
View when Fig. 3 is the first connecting rod mechanism collapsed state of apparatus of the present invention.
View when Fig. 4 is the first connecting rod mechanism rotation down state of apparatus of the present invention.
View when Fig. 5 is the first connecting rod mechanism horizontal movement of apparatus of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, 2, the present invention comprises first connecting rod mechanism, second connecting rod mechanism, middle reciprocating mechanism, middle rotating mechanism, motor support base 2, screw mandrel bracing frame 7, connecting plate 22 for the change born of the same parents building mortion that increases the material manufacturing.First connecting rod mechanism is arranged at the left side of screw mandrel bracing frame 7, and second connecting rod mechanism is arranged at the right side of screw mandrel bracing frame 7, and middle reciprocating mechanism is arranged at the middle and lower part of screw mandrel bracing frame 7, and middle rotating mechanism is arranged at the middle and upper part of screw mandrel bracing frame 7.
First connecting rod mechanism comprises that the first drive motors 1, the first ball screw 6, the first drive link 3, the first transmission connecting rod 8, the first extruding execution unit 11, guide rail 9, the first contiguous block 12, the first slide block 14, first move stop pin 10, the first rotation lock rationed marketing 13.
Second connecting rod mechanism comprises that the second drive motors 26, the second ball screw 24, the second drive link 25, the second transmission connecting rod 23, the second extruding execution unit 20, the second contiguous block 17, the second slide block 18, second move stop pin 21, the second rotation lock rationed marketing 19.
Middle reciprocating mechanism comprises the 3rd drive motors 28, the 3rd ball screw 29, screw mandrel bearing 16, middle extruding execution unit 15.
Rotating shaft 4, bearing spider 5, the moving motor 27 of 4 wheel driven in the middle of middle rotating mechanism comprises.
Screw mandrel bracing frame 7 is the shape of falling π structure, and its top and motor support base 2 are fixedly linked.Be used for fixing the first ball screw 6, the second ball screw 24, the 3rd drive motors 28, guide rail 9, screw mandrel bearing 16.
The 3rd drive motors 28 connects with the 3rd ball screw 29 by the shaft coupling (not shown), the 3rd ball screw 29 two ends are fixed on the screw mandrel bearing 16 by bearing, screw mandrel bearing 16 is fixedly connected with screw mandrel bracing frame 7, middle extruding execution unit 15 is fixedly connected with the 3rd ball screw 29, along with the rotation of the 3rd ball screw 29 moves up and down along it.
The moving motor 27 of 4 wheel driven passes through the shaft coupling (not shown) and is connected rotating shaft 4 connections, the middle part of middle rotating shaft 4 is fixed on the bearing block 5 by biserial angular contact bearing (not shown), the lower end of middle rotating shaft 4 is fixedly connected with screw mandrel bracing frame 7, and bearing block 5 is fixedly connected on the connecting plate 22.
The first drive motors 1 be connected ball screw 6 and connect by the shaft coupling (not shown), be used for driving the first ball screw 6 and rotate.The upper end of the first drive link 3 is fixedly connected with the first ball screw 6, and its lower end and first is transmitted connecting rod 8 and is coupling.The middle part of the first extruding execution unit 11 and the first lower end of transmitting connecting rod 8 are coupling, and its upper end is coupling with the first contiguous block 12.The first contiguous block 12 is fixedly connected with the first slide block 14, and the first slide block 14 slides along guide rail 9, and guide rail 9 is fixed on screw mandrel bracing frame 7 bottoms.First moves stop pin 10 and the first rotation lock rationed marketing 13 is fixed on the first contiguous block 12.First moves stop pin 10 is connected with the first extruding execution unit 11 middle parts by the steel wire rope (not shown), and the first rotation lock rationed marketing 13 is connected with screw mandrel bracing frame 7 bottoms by the steel wire rope (not shown).
Second connecting rod mechanism and first connecting rod mechanism are with respect to the plane at the axis place of the moving motor 27 of the 3rd drive motors 28 and 4 wheel driven and are symmetrical set.The arrangement mode of the element that second connecting rod mechanism is included is identical with first connecting rod mechanism, does not repeat them here.
First connecting rod mechanism and second connecting rod mechanism are used for the lateral surface of molten lamination is implemented crimp processing, and the below introduces the course of work of first connecting rod mechanism:
As shown in Figure 3, during initial position, the roller axis of the first extruding execution unit 11 is horizontal, and the first slide block 14 is moved stop pin 10 by first and is locked on the guide rail 9.
As shown in Figure 4, when 11 rotations of the first extruding execution unit are put down, the first drive motors 1 is rotated in the forward and drives 6 rotations of the first ball screw, promoting the first drive link 3 moves downward along the first ball screw 6, the first drive link 3 is transmitted connecting rod 8 by first and is promoted the first extruding execution unit 11 around its connecting axle rotation with the first contiguous block 12, when the roller axis of the first extruding execution unit 11 moves to vertical position by horizontal level, the first extruding execution unit 11 drives the first pin that moves stop pin 10 by steel wire rope and returns the moving movement release of the first slide block 14 and guide rail 9.The Compress Spring (not shown) of the first rotation lock rationed marketing 13 promotes pin the first extruding execution unit 11 is locked on the first contiguous block 12, both relative rotary motion are locked, finish the first extruding execution unit 11 by the transformation of structure to the translational motion structure that rotatablely move, the topological structure of first connecting rod mechanism changes.
As shown in Figure 5, when 11 horizontal movement of the first extruding execution unit, the first drive motors 1 is rotated in the forward driving the first ball screw 6 and is rotated further, promoting the first drive link 3 moves downward along the first ball screw 6, the first drive link 3 is transmitted connecting rod 8 by first and is promoted the first extruding execution unit 11 along guide rail 9 horizontal movement setpoint distances, realize the extruding of the molten lamination lateral surface of pair of rollers of the first extruding execution unit 11 ends, 1 free degree is changed into by 2 frees degree in first connecting rod mechanism, simultaneously its horizontal movement can realize the adjustment of distance between the roller of the first extruding execution unit 11 and the second extruding execution unit 20 ends, satisfies the extruding demand to the side of the molten lamination of the molten long-pending width of difference.When the reverse rotation of the first drive motors 1, the first extruding execution unit 11 experience move horizontally and get back to initial position around its connecting axle rotation with the first contiguous block 12 along guide rail 9, thereby away from molten lamination to be extruded.
The course of work of second connecting rod mechanism and first connecting rod mechanism is identical, does not repeat them here.
Middle reciprocating mechanism is used for the upper surface of molten long-pending molten lamination is carried out extrusion process, and its course of work is as follows:
Rotate when the 3rd drive motors 28 is rotated in the forward driving the 3rd ball screw 29, extruding execution unit 15 moves downward in the middle of promoting, and the upper surface that melts lamination is carried out crimp.Rotate when 28 reverse rotations of the 3rd drive motors drive the 3rd ball screw 29, extruding execution unit 15 moves upward in the middle of promoting, away from molten lamination to be extruded.
It is consistent with the normal direction of molten lamination track with the terminal roller line direction of the second extruding execution unit 20 that middle rotating mechanism is used for adjusting the first extruding execution unit 11, and its course of work is as follows:
Rotating shaft 4 rotates in the middle of moving motor 27 rotary actuations of 4 wheel driven, and middle rotating shaft 4 lower ends are fixedly connected with screw mandrel bracing frame 7, rotates around middle rotating shaft 4 thereby drive first connecting rod mechanism, second connecting rod mechanism and middle reciprocating mechanism.
Those skilled in the art will readily understand; the above only is preferred embodiment of the present invention; not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. one kind is used for increasing the change born of the same parents building mortion that material is made, comprise first connecting rod mechanism, second connecting rod mechanism, middle reciprocating mechanism, middle rotating mechanism, motor support base, the screw mandrel bracing frame, connecting plate, described first connecting rod mechanism is arranged at the left side of described screw mandrel bracing frame, described second connecting rod mechanism is arranged at the right side of described screw mandrel bracing frame, reciprocating mechanism is arranged at the middle and lower part of described screw mandrel bracing frame in the middle of described, rotating mechanism is arranged at the middle and upper part of described screw mandrel bracing frame in the middle of described, it is characterized in that
Described first connecting rod mechanism comprises that the first drive motors, the first ball screw, the first drive link, first transmit connecting rod, the first extruding execution unit, guide rail, the first contiguous block, the first slide block;
Described second connecting rod mechanism comprises that the second drive motors, the second ball screw, the second drive link, second transmit connecting rod, the second extruding execution unit, the second contiguous block, the second slide block;
Reciprocating mechanism comprises the 3rd drive motors, the 3rd ball screw, screw mandrel bearing, middle extruding execution unit in the middle of described;
Rotating shaft, bearing spider, the moving motor of 4 wheel driven in the middle of rotating mechanism comprises in the middle of described;
Described second connecting rod mechanism and described first connecting rod mechanism are with respect to the plane at the axis place of described the 3rd drive motors and the moving motor of described 4 wheel driven and are symmetrical set;
The top of described screw mandrel bracing frame and described motor support base are fixedly linked, and are used for fixing described the first ball screw, described the second ball screw, described the 3rd drive motors, described guide rail, described screw mandrel bearing;
Described motor support base is fixed in the top of described screw mandrel bracing frame, is used for placing described the first drive motors and described the second drive motors;
Described the 3rd drive motors be connected the 3rd ball screw and connect;
Described the 3rd ball screw two ends are fixed on the described screw mandrel bearing by bearing;
Described screw mandrel bearing is fixedly connected with described screw mandrel bracing frame;
The extruding execution unit is fixedly connected with described the 3rd ball screw in the middle of described, and along with the rotation of described the 3rd ball screw moves up and down along it;
Rotating shaft connected in the middle of described 4 wheel driven moved motor and is connected;
The middle part of rotating shaft is fixed on the described bearing block in the middle of described, and the lower end of described middle rotating shaft is fixedly connected with described screw mandrel bracing frame;
Described bearing block is fixedly connected on the described connecting plate;
Described the first drive motors be connected the first ball screw and connect, be used for driving described the first ball screw and rotate;
The upper end of described the first drive link is fixedly connected with described the first ball screw, and its lower end and described first is transmitted connecting rod and is coupling;
The middle part of described the first extruding execution unit and the described first lower end of transmitting connecting rod are coupling, and its upper end is coupling with described the first contiguous block;
Described the first contiguous block is fixedly connected with described the first slide block;
Described the first slide block slides along described guide rail;
Described guide rail is fixed on described screw mandrel bracing frame bottom.
2. change born of the same parents building mortion according to claim 1 is characterized in that described screw mandrel bracing frame is the shape of falling π structure.
3. change born of the same parents building mortion according to claim 1, it is characterized in that, described first connecting rod mechanism comprises that also first moves stop pin and the first rotation lock rationed marketing, described first moves stop pin is connected with described the first extruding execution unit middle part by steel wire rope, and described the first rotation lock rationed marketing is connected with described screw mandrel bracing frame bottom by steel wire rope.
4. change born of the same parents building mortion according to claim 1, it is characterized in that, described second connecting rod mechanism comprises that also second moves stop pin and the second rotation lock rationed marketing, described second moves stop pin is connected with described the second extruding execution unit middle part by steel wire rope, and described the second rotation lock rationed marketing is connected with described screw mandrel bracing frame bottom by steel wire rope.
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| CN201210344045.1A CN102896173B (en) | 2012-09-18 | 2012-09-18 | Metamorphic forming device for additive manufacturing |
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| CN201210344045.1A CN102896173B (en) | 2012-09-18 | 2012-09-18 | Metamorphic forming device for additive manufacturing |
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Cited By (6)
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| CN105492981A (en) * | 2013-06-26 | 2016-04-13 | 瑞尼斯豪公司 | Method and apparatus for generating geometric data for use in additive manufacturing |
| CN107598335A (en) * | 2017-11-13 | 2018-01-19 | 山东建筑大学 | A kind of device for realizing silk material arc cast increasing material manufacturing |
| CN107803568A (en) * | 2017-11-13 | 2018-03-16 | 山东建筑大学 | It is a kind of to improve silk material electric arc increasing material manufacturing precision and the method for forming efficiency |
| CN108372374A (en) * | 2017-01-04 | 2018-08-07 | 中国航空工业集团公司北京航空制造工程研究所 | The method and its device of crystal grain thinning in a kind of increasing material manufacturing |
| CN108384938A (en) * | 2017-01-06 | 2018-08-10 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of method and apparatus for constraining rolling crystal grain thinning in increasing material manufacturing with the shape |
| CN110370638A (en) * | 2019-07-29 | 2019-10-25 | 温州乐发教育科技有限公司 | A kind of increasing material manufacturing change born of the same parents' forming device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105492981A (en) * | 2013-06-26 | 2016-04-13 | 瑞尼斯豪公司 | Method and apparatus for generating geometric data for use in additive manufacturing |
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| CN108372374B (en) * | 2017-01-04 | 2020-01-14 | 中国航空制造技术研究院 | Method and device for refining crystal grains in additive manufacturing |
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| CN107598335A (en) * | 2017-11-13 | 2018-01-19 | 山东建筑大学 | A kind of device for realizing silk material arc cast increasing material manufacturing |
| CN107803568A (en) * | 2017-11-13 | 2018-03-16 | 山东建筑大学 | It is a kind of to improve silk material electric arc increasing material manufacturing precision and the method for forming efficiency |
| CN110370638A (en) * | 2019-07-29 | 2019-10-25 | 温州乐发教育科技有限公司 | A kind of increasing material manufacturing change born of the same parents' forming device |
| CN110370638B (en) * | 2019-07-29 | 2021-03-09 | 温州乐发教育科技有限公司 | Metamorphic forming device for additive manufacturing |
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| CN102896173B (en) | 2014-08-27 |
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Application publication date: 20130130 Assignee: Wuhan Tianyu Intelligent Manufacturing Co., Ltd. Assignor: Huazhong University of Science and Technology Contract record no.: 2015420000125 Denomination of invention: Metamorphic forming device used for material increase manufacturing Granted publication date: 20140827 License type: Common License Record date: 20150701 |
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Effective date of registration: 20220523 Address after: 430075 f2c223, 2nd floor, Wuhan Intelligent Equipment Park Phase I, No. 8, Ligou South Road, East Lake New Technology Development Zone, Wuhan, Hubei (Wuhan area of the free trade zone) Patentee after: Wuhan Yufeng Technology Industry Development Co.,Ltd. Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Patentee before: HUAZHONG University OF SCIENCE AND TECHNOLOGY |
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