CN101670661A - Rapid forming device and method - Google Patents
Rapid forming device and method Download PDFInfo
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- CN101670661A CN101670661A CN200810211939A CN200810211939A CN101670661A CN 101670661 A CN101670661 A CN 101670661A CN 200810211939 A CN200810211939 A CN 200810211939A CN 200810211939 A CN200810211939 A CN 200810211939A CN 101670661 A CN101670661 A CN 101670661A
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Abstract
The invention relates to a rapid forming device and a rapid forming method. Construction materials are used to continuously form thin structural layers according to data generated by an object or an object model so as to manufacture a stereo object. The rapid forming device is characterized in that: the rapid forming device comprises a feeding system, a working platform, a movable frame, a controlsystem and a computer, wherein the feeding system comprises a part for storing the construction materials and a plurality of printing heads which are connected to the part used for storing the construction materials and are used for feeding; the working platform is used for supporting the stereo object in the manufacturing process of the stereo object and when the manufacturing is completed; thefeeding system is connected to the movable frame; the control system is used for receiving the data and controlling a moving action of the movable frame and a feeding action of the feeding system; andthe computer is communicated with the control system, is installed with data processing software inside, is used for carrying out the hierarchical processing on the object or the object model so as to obtain a series of section graphic data of the object or the model, and transmits the data to the control system.
Description
Technical field
The invention belongs to manufacturing advanced manufacturing technology field, particularly a kind of novel rapid molding device and method.
Background technology
Rapid shaping technique is the technology general name of directly producing product or sample according to model that fast development is in recent years got up, and numerous advanced technology that it is integrated is the important part in advanced manufacturing technology field., therefore reduced difficulty in the mill because thereby rapid shaping technique realizes carrying out the layering manufacturing with the stepped construction that the three-dimensional body of complexity is treated to two dimension.
Though some comparative maturity of existing various rapid shaping technique, but ubiquitous problem is exactly no matter to be rapid shaping devices needed or needed construction material, its cost is all very high, though this can also accept for the application of industrial circle, but but be unfavorable for realizing the application in the average family, and the potential demand for this rapid shaping technique also is huge in the average family.Therefore, should put forth effort to develop the method for performance within acceptable scope that realizes reducing corresponding cost and guarantee this rapid molding device.
Summary of the invention
The objective of the invention is to,, under the condition that guarantees certain precision and print speed, finish the rapid shaping of needed object by the construction material of rapid molding device among the present invention and method use hot melt.
In order to address the above problem, the present invention is achieved by the following technical solutions:
A kind of rapid molding device uses the construction material to form thin techonosphere continuously to make three-dimensional object according to target object or data that object model generates, and its feature comprises:
A feeding system, comprising a part that stores the construction material, and a plurality of printhead that is used for feed that stores construction material part that is connected in, wherein each printhead comprises one or more construction material delivery outlets;
A workbench, this platform are used in the object manufacture process and make and support this object when finishing;
A movable frame, feeding system are connected on this framework;
A control system, this system are used to receive data and the mobile behavior of control movable frame and the feed behavior of feeding system;
A computer that is interconnected with control system, in this computer data processing software is installed, be used for target object or object model are carried out the layering processing, obtain the sectional view graphic data of a series of these objects or this model, computer is sent to control system with these data.
Construction material wherein comprises heat-fusible materials.
Printhead in the feeding system, its feature comprises:
Be contained in the transmission device of the construction material of this printhead inside, this device is used to control quantity and the transporting velocity that the construction material is carried;
Be contained in this printhead temperature inside control system, this temperature control system comprises controller and heater and temperature sensing device, printhead is controlled heater for construction material heating time and heating intensity according to the measurement result of the temperature of resulting its interior construction material of temperature sensing device by controller.
Printhead in the feeding system wherein is characterized by the pretreatment system with the construction material that is contained in this printhead inside, and this system comprises:
A temperature control system that is used to heat the construction material, this system are used to be heated to be made this hot melt construction material softening but stops heating when not reaching this material melting point;
For having certain thickness strip material, can control by adjusting shape control apparatus by this thickness by a shape control apparatus extruding for hot melt construction material after softening;
The strip construction material of making uses conveyer by another temperature control system, and this system transfers out this printhead after strip construction material is heated to its fusing point.
Movable frame wherein, its feature comprises:
A slide rail that is connected in printhead, this slide rail can with respect to workbench realize on the horizontal direction move and vertical direction on move;
The cooling device of a construction material, this cooling device can cool off after arriving assigned address for the construction material of printhead output, makes its moulding.
Control system wherein, its feature comprises:
A plurality of transmission devices that are used to control the movable frame mobile behavior;
A controller, this controller are used to control the cooling device on transmission device and the movable frame;
An interface that receives external data;
A processor of handling received data, this processor is converted to transmission device and the executable order of feeding system with received data, and this order is sent to specific transmission device and feeding system.
Adopt the quick molding method of above-mentioned rapid molding device, it is characterized by, may further comprise the steps:
1) computer produces the sectional view graphic data of a series of this object or this model by target object or object model are analyzed, and resulting data are sent to control system;
2) control system control movable frame carries out with respect to the scanning motion on the horizontal direction of workbench according to the sectional view graphic data of gained, simultaneously according to order and requirement control printhead feed;
3) transfer out pretreated heated hot melt construction material behind assigned address when printhead, the cooling device on the control system control movable frame carries out the cooling curing moulding to the construction material;
4) after a cross section is finished in printing, control system will be controlled movable frame with respect to the workbench thickness that vertically moves up;
5) repeating step 2) to 4), only be fully shaped to up to object.
Characteristics of the present invention be have an original creation design can carry out pretreated printhead to the construction material of hot melt, can control the output thickness of the construction material of hot melt, thereby can control the precision of object of final molding and the speed of moulding.And, therefore can realize promoting the use of in larger scope because that this device is built is simple.
Description of drawings
In the DETAILED DESCRIPTION OF THE PREFERRED with reference to accompanying drawing, above-mentioned purpose of the present invention and other advantage will become more obvious hereinafter, wherein:
Fig. 1 is the schematic diagram that is used for the chief component of patent rapid molding device of the present invention;
Fig. 2 is the schematic diagram that is used for the internal structure of patent feeding system printhead of the present invention;
The specific embodiment
Hereinafter, more detailed description the preferred embodiments of the present invention with reference to the accompanying drawings, but be to be understood that the present invention is not limited only to the following examples.
The know-why that the present invention adopts is, utilizes hot melt construction properties of materials, and the construction material is carried out the controlled heating process of substep, after the first step heating this material is squeezed into required thickness of material thin layer.When second when heating step, the generation material thin-layer is heated to the fusing point of this construction material, by printhead this material is sprayed to appointed positions then, by cooling device it is carried out cooling curing again and finalize the design.By repeating said process, drive printhead according to the layering cross-section data of target object and move in the working region order, finally obtain the object model that will make.
Rapid molding device among the present invention comprises feed printhead (101) as shown in fig. 1, and this printhead is connected with the material-storing box that is used to store the construction material (102).The construction material that is adopted in the present embodiment is the rope form plastic material with certain diameter of hot melt.The feeding system of being made up of printhead and material-storing box is connected on the slide rail (103) in the movable frame.Having a drive unit to be used to receive fill order on this slide rail moves on this slide rail to drive feeding system.Slide rail (103) is connected on the horizontal frame (104), and this horizontal frame is with respect to workbench (106) maintenance level, and horizontal frame comprises a drive unit, is used to receive fill order and moves in that this horizontal frame is inner to drive slide rail (103).Horizontal frame (104) is connected with vertical frame (105), and this vertical frame keeps vertical with workbench (106), and is connected and fixed on this workbench.Vertical frame (105) comprises a drive unit and is used to receive fill order and does lifting moving thereon to drive horizontal frame (104).Above-mentioned each drive unit all is connected in control system.Control system is communicated with outer computer with resulting cross-section data behind the receiving computer object analysis, and control system is connected the behavior in order to control printhead (101) with feeding system.
Fig. 2 is the internal structure schematic diagram of a printhead of the rapid molding device among the present invention.After wherein construction material (201) enters this printhead, drive the construction material by material transmission device (202) and move.The construction material is at first by a heater (203), this heater comprises temperature sensor and heater, be heated to the construction material softening but after not reaching the uniform temperature of its fusing point, the construction material is continued to be sent to shape control apparatus (204), and the clearance distance of this device inside is adjustable.Construction material after softening is by the extrusion modling of shape control apparatus, form material thin-layer, further by second heating apparatus (205), heating this time makes the construction material reach its fusing point via transmission device, and finally sprays on the assigned address on the workbench (107).Afterwards, the construction material will be by the final curing molding of cooling device (107).
The employed quick molding method of rapid molding device of the present invention specifically may further comprise the steps:
1) computer produces the sectional view graphic data of a series of this object or this model by target object or object model are analyzed, and resulting data is sent to the control system of rapid molding device;
2) control system decomposes movement locus on three directions according to resulting data, and be converted to the gram fill order send on each drive unit that is connected in movable frame.Each drive unit will drive printhead (101) and move on all directions with slide rail (103) and horizontal frame (104).Control system is according to order and requirement control printhead (101) feed simultaneously;
3) transfer out pretreated heated hot melt construction material (201) behind assigned address when printhead (101), the cooling device (107) on the control system control movable frame carries out the cooling curing moulding to the construction material;
4) after a cross section is finished in printing, control system will be controlled movable frame with respect to the workbench thickness that vertically moves up, and this thickness is by the thickness decision of construction material output thin layer.Because the effect of shape control apparatus (204), the thickness of construction material output thin layer can be controlled;
5) repeating step 2) to 4), only be fully shaped to up to object.
Claims (7)
1. a rapid molding device uses the construction material to form thin techonosphere continuously with the manufacturing three-dimensional object according to target object or data that object model generates, and it is characterized by to comprise:
A feeding system, comprising a part that stores the construction material, and a plurality of printhead that is used for feed that stores construction material part that is connected in, wherein each printhead comprises one or more construction material delivery outlets;
A workbench, this platform are used in the object manufacture process and make and support this object when finishing;
A movable frame, feeding system are connected on this framework;
A control system, this system are used to receive data and the mobile behavior of control movable frame and the feed behavior of feeding system;
A computer that is interconnected with control system respectively, in this computer data processing software is installed, be used for target object or object model are carried out the layering processing, obtain the sectional view graphic data of a series of these objects or this model, computer is sent to control system with these data.
2. construction material according to claim 1 comprises heat-fusible materials.
3. the printhead in the feeding system according to claim 1, its feature comprises:
Be contained in the transmission device of the construction material of this printhead inside, this device is used to control quantity and the transporting velocity that the construction material is carried;
Be contained in this printhead temperature inside control system, this system comprises controller and heater and temperature sensing device, printhead is controlled heater for construction material heating time and heating intensity according to the measurement result of temperature sensing device for the temperature of the construction material of its inside by controller.
4. the printhead in the feeding system according to claim 3 is characterized by:
Have the pretreatment system of the construction material that is contained in this printhead inside, this system comprises:
A temperature control system that is used to heat the construction material, this system are used to be heated to be made this hot melt construction material softening but stops heating when not reaching this material melting point;
For having certain thickness strip material, can control by adjusting shape control apparatus by this thickness by a shape control apparatus extruding for hot melt construction material after softening;
The strip construction material of making uses conveyer by another temperature control system, and this system transfers out this printhead after strip construction material is heated to its fusing point.
5. movable frame according to claim 1, its feature comprises:
A slide rail that is connected in printhead, this slide rail can with respect to workbench realize on the horizontal direction move and vertical direction on move;
The cooling device of a construction material, this cooling device can cool off after arriving assigned address for the construction material of printhead output, makes its curing molding.
6. control system according to claim 1, its feature comprises:
A plurality of transmission devices that are used to control the movable frame mobile behavior;
A controller, this controller are used to control the cooling device on transmission device and the movable frame;
An interface that receives external data;
A processor of handling received data, this processor is converted to transmission device and the executable order of feeding system with received data, and this order is sent to specific transmission device and feeding system.
7. the quick molding method of rapid molding device according to claim 1, it may further comprise the steps:
1) computer produces the sectional view graphic data of a series of this object or this model by target object or object model are analyzed, and resulting data are sent to control system;
2) control system control movable frame carries out with respect to the scanning motion on the horizontal direction of workbench according to the sectional view graphic data of gained, simultaneously according to order and requirement control printhead feed;
3) transfer out pretreated heated hot melt construction material behind assigned address when printhead, the cooling device on the control system control movable frame carries out the cooling curing moulding to the construction material;
4) after a cross section is finished in printing, control system will be controlled movable frame with respect to the workbench thickness that vertically moves up;
5) repeating step 2) to 4), only be fully shaped to up to object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810211939A CN101670661A (en) | 2008-09-11 | 2008-09-11 | Rapid forming device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810211939A CN101670661A (en) | 2008-09-11 | 2008-09-11 | Rapid forming device and method |
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| CN101670661A true CN101670661A (en) | 2010-03-17 |
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| CN200810211939A Pending CN101670661A (en) | 2008-09-11 | 2008-09-11 | Rapid forming device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262779A (en) * | 2010-05-31 | 2011-11-30 | 研能科技股份有限公司 | Layer-tangency method suitable for vertical shaping mechanism |
| CN103222528A (en) * | 2013-05-06 | 2013-07-31 | 兰雄兵 | 3D printing apparatus and feed system thereof |
| CN107856245A (en) * | 2017-11-02 | 2018-03-30 | 中山市宜高机电科技有限公司 | A kind of packaging manufacturing apparatus |
| CN110667113A (en) * | 2019-08-19 | 2020-01-10 | 北京科技大学天津学院 | Vacuum thermal forming system and method based on 3D printing technology |
-
2008
- 2008-09-11 CN CN200810211939A patent/CN101670661A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262779A (en) * | 2010-05-31 | 2011-11-30 | 研能科技股份有限公司 | Layer-tangency method suitable for vertical shaping mechanism |
| CN102262779B (en) * | 2010-05-31 | 2014-02-26 | 研能科技股份有限公司 | Layer-tangency method suitable for vertical shaping mechanism |
| US8666531B2 (en) | 2010-05-31 | 2014-03-04 | Microjet Technology Co., Ltd. | Slicing method for rapid prototyping apparatus |
| CN103222528A (en) * | 2013-05-06 | 2013-07-31 | 兰雄兵 | 3D printing apparatus and feed system thereof |
| CN107856245A (en) * | 2017-11-02 | 2018-03-30 | 中山市宜高机电科技有限公司 | A kind of packaging manufacturing apparatus |
| CN107856245B (en) * | 2017-11-02 | 2023-09-29 | 中山市宜高机电科技有限公司 | Packaging box manufacturing equipment |
| CN110667113A (en) * | 2019-08-19 | 2020-01-10 | 北京科技大学天津学院 | Vacuum thermal forming system and method based on 3D printing technology |
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Open date: 20100317 |