CN105252772B - Nylon sintering forming machine with movable working cylinder - Google Patents

Nylon sintering forming machine with movable working cylinder Download PDF

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Publication number
CN105252772B
CN105252772B CN201510795794.XA CN201510795794A CN105252772B CN 105252772 B CN105252772 B CN 105252772B CN 201510795794 A CN201510795794 A CN 201510795794A CN 105252772 B CN105252772 B CN 105252772B
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China
Prior art keywords
working cylinder
cylinder
working
plate
movable stand
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CN201510795794.XA
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CN105252772A (en
Inventor
钱波
李旭鹏
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Beijing Dehui Intelligent Technology Co ltd
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Beijing Yibo 3d Technology Co ltd
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Priority to CN201510795794.XA priority Critical patent/CN105252772B/en
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Abstract

The invention relates to a nylon sintering forming machine with a movable working cylinder, which comprises a forming machine frame, the movable working cylinder which can move in and out of a working position, a laser galvanometer scanning device and a powder spreading device, wherein the movable working cylinder is arranged on the forming machine frame; the working cylinder is placed on a working cylinder moving frame, and the working cylinder moving frame can carry the working cylinder to move in and out of the forming machine frame; a working cylinder lifting hook plate which vertically reciprocates is arranged on the forming machine frame; when the working cylinder lifting hook plate moves upwards, the working cylinder is lifted to a working position, and when the working cylinder lifting hook plate moves downwards, the working cylinder is placed on the working cylinder moving frame; the invention has the beneficial effects that: the cooling and preheating time of the working cylinder in the nylon sintering forming machine is saved, and the working efficiency of the nylon sintering forming machine is obviously improved; the efficiency can be further improved by adopting double working cylinders or multiple working cylinders; the operation of taking out finished products from the moved working cylinder and cleaning the working cylinder is more convenient and safer.

Description

A kind of active operation cylinder nylon thermal sintering machine
Technical field
The invention belongs to laser fast forming equipment, more particularly to a kind of active operation cylinder nylon thermal sintering machine.
Background technology
At present, laser fast forming equipment(SLS- RP)Application develop rapidly, for SLS- RP new products The formed powder of model includes polystyrene (PS), acrylonitrile/butadiene/styrene (ABS), utilizes both powder systems The prototype product strength made is low, poor toughness, is more easily damaged, and cannot be directly used to Product Assembly, interference detection and performance and surveys Examination, it is necessary to dry solidification by impregnation (resin) post processing and heat, improve toughness rear and can be used, complex process, cost compared with It is high.And the SLS- RP technologies of nylon powder are the features such as have product thermal sintering function admirable, product strength high, good toughness.Adopt The product produced with nylon powder SLS- RP technologies can need not move through impregnation post processing and heat baking by strict performance test Solidification can obtain tensile strength, bending strength and impact strength and be excellent product, and it is with thermally-stabilised well Property and chemical stability.The technology can be directly used for realistic model carry out service check, verifying articles design structure reasonability, The feasibility of manufacturing process and the aesthetic property of outward appearance, time update product design, to adapt to the demand in market;It can also be used for straight Manufacture casting molds (template, apperance, core) etc. are connect, so as to greatly shorten the construction cycle of new product, reduction is developed into This.Carried out using nylon powder in laser forming process, nylon powder is successively spread and is sprinkled upon in working cylinder, is burnt by laser Form shape.Working cylinder using preceding needing to be preheated to after 170 DEG C or so, product shaping laser, it is necessary to working cylinder is cooled, Take out the product of shaping.Preheating and cooling procedure can significantly reduce the operating efficiency of equipment;Directly in equipment take out product and Cleaning work cylinder also has inconvenience.
The content of the invention
The purpose of the present invention is to propose to a kind of technical scheme of active operation cylinder nylon thermal sintering machine, enable working cylinder Separated with nylon thermal sintering machine, working cylinder can be made to depart from imperial thermal sintering machine cooling, in advance warm operation cylinder, convenient shaping production The taking-up of product and the cleaning of working cylinder.
To achieve these goals, the technical scheme is that:A kind of active operation cylinder nylon thermal sintering machine, including Shape machine frame, working cylinder, laser galvanometer scanning device, power spreading device;The working cylinder is can be movable into and out working position The active operation cylinder put.
Further, the working cylinder is placed on working cylinder movable stand, is placed on the institute on the working cylinder movable stand State working cylinder position be less than the operating position, the working cylinder movable stand can carry working cylinder be movable into and out it is described into Shape machine frame;The working cylinder lifting provided with up-and-down movement hooks plate on the shaping machine frame;The working cylinder lifting is hooked The working cylinder is promoted to operating position when plate is moved upwards, the working cylinder lifting is hooked the work when plate is moved downward Cylinder is placed on the working cylinder movable stand.
Further, the working cylinder movable stand is provided with walking roller and work bracket cylinder, and the working cylinder is placed on institute State on the work bracket cylinder, the both sides of working cylinder are stretched out from the work bracket cylinder, there are two working cylinder liftings to hook plate Working cylinder is held up from the position for the working cylinder both sides for stretching out work bracket cylinder.
Further, the working cylinder movable stand is provided with working cylinder stock, and the working cylinder stock is in horizontal level ring Around the framework of working cylinder, the working cylinder stock is arranged on the top of the work bracket cylinder, the inner side of the working cylinder stock Size corresponds to the outer wall of the working cylinder, and the working cylinder is moved back and forth up and down in the working cylinder stock.
Further, the inner side of the working cylinder stock is provided with vibration damping anti-scratch adhesive tape.
Further, the both sides of the working cylinder movable stand are provided with flexibly positioned ball, and the flexibly positioned ball is arranged on institute The lower section of work bracket cylinder is stated, provided with position movable stand corresponding with the flexibly positioned ball position on the shaping machine frame Guide plate, the plate face of the movable stand guide plate is towards horizontal direction, and the working cylinder movable stand is moved by flexibly positioned ball along described Moving frame guide plate enters in the shaping machine frame.
Further, positioning hole is provided with the bottom surface of the working cylinder, the working cylinder lifting hooks plate and is provided with alignment pin, institute The position for stating alignment pin corresponds to the position of the positioning hole, is moved upwards when working cylinder lifting hooks plate lifting working cylinder When, working cylinder lifting hooks the positioning hole of the alignment pin insertion working cylinder of plate;Fall when working cylinder lifting hooks plate When working cylinder is placed on working cylinder movable stand, the alignment pin departs from the positioning hole of working cylinder.
Further, the alignment pin is the alignment pin that head is provided with guide cone.
Further, working cylinder lifter plate is provided with the shaping machine frame, the working cylinder lifter plate is by a mantle fiber Bar transmission device drives and pumped;The working cylinder lifting hooks plate and is arranged on the working cylinder lifter plate.
Further, working cylinder of the active operation cylinder nylon thermal sintering machine provided with two independent operations, two institutes Working cylinder is stated to be arranged side by side in the horizontal direction.
The beneficial effects of the invention are as follows:Nylon thermal sintering machine use can be movable into and out the active operation of operating position Cylinder, removes working cylinder and is cooled down after nylon thermal sintering machine and remove finished product, can be pushed into the working cylinder for having completed preheating Nylon thermal sintering machine, into operating position, saves cooling and preheating time of the working cylinder in nylon thermal sintering machine, shows Write the operating efficiency for improving nylon thermal sintering machine;Efficiency can further be improved using double working cylinders or many working cylinders; The working cylinder of removal takes out finished product and the operation of cleaning work cylinder is also more convenient, safe.
The present invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is structure chart of the present invention, wherein left side working cylinder is in operating position, right side working cylinder is in drop-off positions;
Fig. 2 is that present invention shaping machine frame and working cylinder lifting hook plate front side structure figure;
Fig. 3 is that present invention shaping machine frame and working cylinder lifting hook plate rear structure figure;
Fig. 4 is working cylinder movable stand structure chart of the present invention;
Fig. 5 is working cylinder bottom surface structure figure of the present invention;
Fig. 6 is that working cylinder removes state diagram on the right side of the present invention;
Fig. 7 is that working cylinder enters job site situation figure on the right side of the present invention;
Fig. 8 is outer casing construction drawing of the present invention.
Embodiment
Such as Fig. 1 is to Fig. 5, a kind of active operation cylinder nylon thermal sintering machine, including shapes machine frame 10, working cylinder 20, swashs Light galvanometer scanning device 31, power spreading device 32;The working cylinder is can be movable into and out operating position(Worked on the left of Fig. 1 The position of cylinder)Active operation cylinder.
The working cylinder is placed on working cylinder movable stand 40, is placed on the working cylinder on the working cylinder movable stand Position be less than the operating position(The position of working cylinder on the right side of Fig. 1), the working cylinder movable stand can carry working cylinder It is movable into and out the shaping machine frame;The working cylinder lifting provided with up-and-down movement hooks plate on the shaping machine frame 50;The working cylinder lifting is hooked when plate is moved upwards is promoted to operating position by the working cylinder(The position of working cylinder on the left of Fig. 1 Put), the working cylinder lifting, which is hooked when plate is moved downward, is placed on the working cylinder on the working cylinder movable stand(As Fig. 1 is right The position of side working cylinder).
The working cylinder movable stand is placed on the work provided with walking roller 41 and work bracket cylinder 42, the working cylinder On bracket cylinder, the both sides of working cylinder are stretched out from the work bracket cylinder, have two working cylinder liftings to hook plate from stretching work The position of the working cylinder both sides of bracket cylinder holds up working cylinder.
The working cylinder movable stand is provided with working cylinder stock 43, and the working cylinder stock is around working cylinder in horizontal level Framework, the working cylinder stock is arranged on the top of the work bracket cylinder, the inside dimensions correspondence of the working cylinder stock In the outer wall of the working cylinder, the working cylinder is moved back and forth up and down in the working cylinder stock.
The inner side of the working cylinder stock is provided with vibration damping anti-scratch adhesive tape 44.
The both sides of the working cylinder movable stand are provided with flexibly positioned ball 45, and the flexibly positioned ball is arranged on the working cylinder The lower section of bracket, provided with position movable stand guide plate 11 corresponding with the flexibly positioned ball position on the shaping machine frame, The plate face of the movable stand guide plate is towards horizontal direction, and the working cylinder movable stand is led by flexibly positioned ball along the movable stand Plate enters in the shaping machine frame.
Positioning hole 21 is provided with the bottom surface of the working cylinder, the working cylinder lifting hooks plate and is provided with alignment pin 51, described fixed The position of position pin corresponds to the position of the positioning hole, when working cylinder lifting, which hooks plate lifting working cylinder, moves upwards, work Make the positioning hole that cylinder lifting hooks the alignment pin insertion working cylinder of plate;Fall when working cylinder lifting hooks plate by work When cylinder is placed on working cylinder movable stand, the alignment pin departs from the positioning hole of working cylinder.
The alignment pin is the alignment pin that head is provided with guide cone.
Working cylinder lifter plate 52 is provided with the shaping machine frame, the working cylinder lifter plate is filled by a set of screw rod transmission 53 drives are put to pump;The working cylinder lifting hooks plate and is arranged on the working cylinder lifter plate.
Working cylinder of the active operation cylinder nylon thermal sintering machine provided with two independent operations, two working cylinders exist Horizontal direction is arranged side by side.
Embodiment one:
Such as Fig. 1 is to Fig. 5, a kind of active operation cylinder nylon thermal sintering machine, including shaping machine frame 10, and two or so side by side The working cylinder 20 of setting, is arranged on laser galvanometer scanning device 31 and power spreading device 32 above working cylinder.
Working cylinder is can be movable into and out the active operation cylinder of operating position.On the left of such as Fig. 1 of the operating position of working cylinder Work cylinder position.
In order that working cylinder can be movable into and out operating position, each working cylinder is placed on a working cylinder movable stand On 40.Working cylinder movable stand is frame structure, and the bottom surface of working cylinder movable stand is provided with walking roller 41;Working cylinder movable stand Provided with work bracket cylinder 42, work bracket cylinder has two crossbeams for being arranged on working cylinder movable stand both sides to constitute, and work bracket cylinder The width d of both sides is less than the width D of working cylinder.Working cylinder movable stand is provided with working cylinder stock 43, and working cylinder stock is in level Position ring is around the framework of working cylinder, and the working cylinder stock is arranged on the top of the work bracket cylinder, working cylinder stock it is interior Side size corresponds to the outer wall of the working cylinder.
The inner side of working cylinder stock is provided with vibration damping anti-scratch adhesive tape 44.
The both sides of working cylinder movable stand are provided with flexibly positioned ball 45, and flexibly positioned ball is provided with elastic telescopic in the horizontal direction Bulb, flexibly positioned ball is arranged on the lower section of the work bracket cylinder.
Working cylinder is placed on work bracket cylinder, and the both sides of working cylinder are stretched out from the both sides of made bracket cylinder, working cylinder Four walls are surround by working cylinder stock, and working cylinder is moved back and forth up and down in the working cylinder stock.Vibration damping anti-scratch adhesive tape can prevent It is not scratched when only working cylinder is moved in working cylinder stock.
Working cylinder movable stand is additionally provided with the push and pull bar 46 operated for push-and-pull.
Provided with position movable stand guide plate 11 corresponding with the flexibly positioned ball position on shaping machine frame, movable stand is led The plate face of plate is towards horizontal direction, and each working cylinder movable stand of correspondence is on shaping machine frame provided with two movable stand guide plates, two Spacing between bar movement frame guide plate corresponds to the flexibly positioned ball of the both sides of working cylinder movable stand, makes the bulb of flexibly positioned ball With the plate face sliding contact of movable stand guide plate, working cylinder movable stand enters described by flexibly positioned ball along the movable stand guide plate Shape in machine frame.The position for the working cylinder being placed on working cylinder movable stand is less than operating position(Worked on the right side of Fig. 1 The position of cylinder), working cylinder movable stand can carry working cylinder be movable into and out shape machine frame.
The working cylinder lifting provided with up-and-down movement hooks plate 50 on shaping machine frame;Corresponding to each working cylinder, if There are two working cylinder liftings to hook plate, two working cylinder liftings hook plate and held up from the position for the working cylinder both sides for stretching out work bracket cylinder Working cylinder.
Working cylinder lifting hooks when plate is moved upwards the working cylinder being promoted to operating position(On the left of Fig. 1 working cylinder Position), the working cylinder lifting, which is hooked when plate is moved downward, is placed on the working cylinder on the working cylinder movable stand(Such as Fig. 1 The position of right side working cylinder).
In the bottom surface of each working cylinder provided with four positioning holes 21, the left and right sides is per each two positioning holes in side.Every work Cylinder lifting hooks plate provided with two alignment pins 51, and alignment pin is the alignment pin that head is provided with guide cone.The position pair of each alignment pin The position of Ying Yuyi positioning hole, when working cylinder lifting, which hooks plate lifting working cylinder, moves upwards, working cylinder lifting hooks determining for plate The positioning hole of position pin insertion working cylinder;It is fixed when working cylinder lifting, which hooks plate, to be fallen to being placed into working cylinder on working cylinder movable stand Position pin departs from the positioning hole of working cylinder, working cylinder and working cylinder movable stand is removed shaping machine frame.
Working cylinder lifter plate 52 is provided with shaping machine frame, the working cylinder lifter plate is by a set of spindle gear 53 Take to and pump;Working cylinder lifting hooks plate and is arranged on working cylinder lifter plate, and working cylinder lifting hooks plate with working cylinder liter Drop plate pumps.
Active operation cylinder nylon thermal sintering machine is completed by laser galvanometer scanning device and power spreading device in working cylinder Product shaping is processed.Working cylinder needs waste heat to 170 DEG C or so before the forming of a product is carried out, when working cylinder is completed , it is necessary to make the working cylinder cool before product is taken out after product shaping processing.
The active operation cylinder nylon thermal sintering machine of the present embodiment operationally, is usually prepared for more than two working cylinder, Each working cylinder is placed on a working cylinder movable stand, and four walls of working cylinder are enclosed within the working cylinder stock of working cylinder movable stand Interior, the bottom surface of working cylinder is placed on the work bracket cylinder of working cylinder movable stand.When carrying out product shaping processing, working cylinder liter Drop plate is driven by spindle gear and moved downward, and the position of working cylinder lifting hook plate and alignment pin, which is less than, is placed on working cylinder shifting The bottom surface of working cylinder in moving frame, as shown in Figure 6.Pushed the work forward cylinder movable stand, and the prior working cylinder for completing preheating is pushed into Shape machine frame, makes the position alignment working cylinder lifting of four positioning holes of working cylinder bottom surface hook the position of four alignment pins on plate Put, as shown in the working cylinder on the right side of Fig. 1.In push-on process, in the place kick and shaping machine frame of working cylinder movable stand both sides Movable stand guide plate can control working cylinder movement right position.Working cylinder lifter plate drives upward fortune by spindle gear Dynamic, the alignment pin that working cylinder lifting is hooked on plate inserts the positioning hole of working cylinder, and working cylinder lifting hooks the bottom surface that plate support plays working cylinder, Working cylinder is lifted to operating position, as shown in the working cylinder on the right side of Fig. 7.Now, working cylinder movable stand is left in the bottom surface of working cylinder Work bracket cylinder, four walls of working cylinder are still enclosed within the working cylinder stock of working cylinder movable stand.
, it is necessary to which the product in working cylinder is taken out after a working cylinder completes product shaping processing.Now, work Cylinder lifter plate is driven by spindle gear and moved downward, and working cylinder is placed on working cylinder movable stand, the bottom surface of working cylinder Fall on the work bracket cylinder of working cylinder movable stand;Working cylinder lifting hook plate continues to move downward, make working cylinder lifting hook plate and The position of alignment pin is less than the bottom surface for the working cylinder being placed on working cylinder movable stand.Working cylinder movable stand is pulled, makes working cylinder Removed out of shaping machine frame.If desired for the forming for carrying out next part, then another working cylinder is completed pre- in advance Heat, and the machine frame of push-in shaping immediately, make working cylinder enter operating position, start product shaping processing.Have been completed product The working cylinder of forming is then cooled down outside shaping machine frame, and takes out part.If desired for the more parts of progress Forming, then carry out the state that waste heat is at completing preheating to working cylinder.
The active operation cylinder nylon thermal sintering machine of the present embodiment is operationally, it is necessary to which at least three working cylinders just can be right The working cylinder that left and right two is processed carries out quick-replaceable.Nylon thermal sintering machine can be made continuously to work, work is significantly improved Efficiency.The operation of finished product and cleaning work cylinder not Stimulated Light galvanometer scanning device and power spreading device are taken out in the working cylinder of removal Deng more convenient, safety.
Such as Fig. 8, in order that active operation cylinder nylon thermal sintering machine has a good working environment, the activity of this implementation Working cylinder nylon thermal sintering machine is additionally provided with shell 33, working cylinder access door 34 and observation window 35.Control is installed on shell Computer 36.

Claims (9)

1. a kind of active operation cylinder nylon thermal sintering machine, including shaping machine frame, working cylinder, laser galvanometer scanning device, paving Powder device;Characterized in that, the working cylinder is can be movable into and out the active operation cylinder of operating position;
The working cylinder is placed on working cylinder movable stand, the position for the working cylinder being placed on the working cylinder movable stand Less than the operating position, the working cylinder movable stand can carry working cylinder and be movable into and out the shaping machine frame;Institute State working cylinder lifting of the shaping machine frame provided with up-and-down movement and hook plate;The working cylinder lifting is hooked will when plate is moved upwards The working cylinder is promoted to operating position, and the working cylinder lifting is hooked when plate is moved downward is placed on the work by the working cylinder Make on cylinder movable stand.
2. a kind of active operation cylinder nylon thermal sintering machine according to claim 1, it is characterised in that the working cylinder is moved Moving frame is provided with walking roller and work bracket cylinder, and the working cylinder is placed on the work bracket cylinder, the both sides of working cylinder from The work bracket cylinder stretches out, and has two working cylinder liftings to hook plate from the position for the working cylinder both sides for stretching out work bracket cylinder Hold up working cylinder.
3. a kind of active operation cylinder nylon thermal sintering machine according to claim 2, it is characterised in that the working cylinder is moved Moving frame is provided with working cylinder stock, and the working cylinder stock is the framework in horizontal level around working cylinder, the working cylinder stock The top of the work bracket cylinder is arranged on, the inside dimensions of the working cylinder stock correspond to the outer wall of the working cylinder, institute Working cylinder is stated to move back and forth up and down in the working cylinder stock.
4. a kind of active operation cylinder nylon thermal sintering machine according to claim 3, it is characterised in that the work cylinder sleeve The inner side of frame is provided with vibration damping anti-scratch adhesive tape.
5. a kind of active operation cylinder nylon thermal sintering machine according to claim 2, it is characterised in that the working cylinder is moved The both sides of moving frame are provided with flexibly positioned ball, and the flexibly positioned ball is arranged on the lower section of the work bracket cylinder, in the shaping Machine frame is provided with position movable stand guide plate corresponding with the flexibly positioned ball position, the plate face direction of the movable stand guide plate Horizontal direction, the working cylinder movable stand is entered in the shaping machine frame by flexibly positioned ball along the movable stand guide plate.
6. a kind of active operation cylinder nylon thermal sintering machine according to claim 1, it is characterised in that in the working cylinder Bottom surface be provided with positioning hole, working cylinder lifting hooks plate and is provided with alignment pin, and the position of the alignment pin corresponds to the positioning The position in hole, when working cylinder lifting, which hooks plate lifting working cylinder, moves upwards, working cylinder lifting hooks the alignment pin of plate Insert the positioning hole of working cylinder;Fall to being placed into working cylinder on working cylinder movable stand when working cylinder lifting hooks plate When, the alignment pin departs from the positioning hole of working cylinder.
7. a kind of active operation cylinder nylon thermal sintering machine according to claim 6, it is characterised in that the alignment pin is Head is provided with the alignment pin of guide cone.
8. a kind of active operation cylinder nylon thermal sintering machine according to claim 1, it is characterised in that in the forming machine Framework is provided with working cylinder lifter plate, and the working cylinder lifter plate is driven by a set of spindle gear and pumped;Institute State working cylinder lifting and hook plate on the working cylinder lifter plate.
9. a kind of active operation cylinder nylon thermal sintering machine according to claim 1, it is characterised in that the active operation Working cylinder of the cylinder nylon thermal sintering machine provided with two independent operations, two working cylinders are arranged side by side in the horizontal direction.
CN201510795794.XA 2015-11-18 2015-11-18 Nylon sintering forming machine with movable working cylinder Active CN105252772B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510795794.XA CN105252772B (en) 2015-11-18 2015-11-18 Nylon sintering forming machine with movable working cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510795794.XA CN105252772B (en) 2015-11-18 2015-11-18 Nylon sintering forming machine with movable working cylinder

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CN105252772A CN105252772A (en) 2016-01-20
CN105252772B true CN105252772B (en) 2017-07-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112846234B (en) * 2020-12-31 2022-03-01 天津镭明激光科技有限公司 Forming cylinder body taking-out and reloading mechanism of 3D metal printer
CN112721163B (en) * 2020-12-31 2022-09-13 天津镭明激光科技有限公司 3D printing equipment cylinder body taking-out and reloading control system and control method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0911337A (en) * 1995-06-28 1997-01-14 Masuko Seisakusho:Kk Three-dimensional model forming method and apparatus therefor
CN2356780Y (en) * 1998-10-05 2000-01-05 清华大学 Nested movable sandbox casting device
CN2907970Y (en) * 2005-10-20 2007-06-06 佛山市峰华自动成形装备有限公司 Fast shaped movable service box
CN204095140U (en) * 2014-08-06 2015-01-14 浙江闪铸三维科技有限公司 A kind of 3D printer based on DLP technology
CN205097562U (en) * 2015-11-18 2016-03-23 北京易博三维科技有限公司 Activity working cylinder nylon sintering takes shape quick -wittedly

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Effective date of registration: 20180820

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