CN204936220U - The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer - Google Patents

The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer Download PDF

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Publication number
CN204936220U
CN204936220U CN201520685666.5U CN201520685666U CN204936220U CN 204936220 U CN204936220 U CN 204936220U CN 201520685666 U CN201520685666 U CN 201520685666U CN 204936220 U CN204936220 U CN 204936220U
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China
Prior art keywords
timing belt
support column
parallel arm
coaster
extruder
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Expired - Fee Related
Application number
CN201520685666.5U
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Chinese (zh)
Inventor
陈永方
王震虎
刘扬
陈帮军
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Huanghe Science and Technology College
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Huanghe Science and Technology College
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Priority to CN201520685666.5U priority Critical patent/CN204936220U/en
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Publication of CN204936220U publication Critical patent/CN204936220U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer, comprise the base in equilateral triangle structure, base is vertically provided with three support columns respectively at three drift angle places, three support column top levels are provided with installing plate, installing plate is provided with raw material extruder, vertically slide inside every root support column and be provided with coaster, Timing Belt driving mechanism is provided with between support column and coaster, mutually isostructural parallel arm is all hinged with inside each coaster, the lower end of parallel arm is hinged with extrudes workbench, the center of extruding workbench is provided with extruder head, the entrance point of extruder head is connected with the discharging opening of raw material extruder by mother tube, extruder head outer wrap having heaters.The utility model modern design, compact conformation, transmission stability are high, cool in time the heat-fusible materials extruded, and the product printed there will not be distortion, and printing precision improves greatly.

Description

The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer
Technical field
The utility model belongs to three-dimensionally shaped technical field, particularly relates to a kind of rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer.
Background technology
Three-dimensional printing technology, design a model as source with Computerized three-dimensional, discrete and the numerical control molding system by software hierarchy, utilize the mode such as laser beam, hot melt nozzle successively to be piled up by the special materials such as metal dust, ceramic powders, plastics, cell tissue to cohere, final superposition is shaping, produces entity products.3D solid is become several two dimensional surfaces by 3 D-printing, producing, greatly reducing the complexity of manufacture by also successively superposing material processed.This Digitized manufacturing pattern directly just can generate the part of any shape from computer graphics data.Fusion sediment moulding (FDM) technology is a mainstream technology in three-dimensional printing technology, and FDM technology is that cad model is divided into cross section very thin from level to level, generates the two-dimensional geometry information controlling 3 D-printing machine nozzle motion track.The heating head of three-dimensional printer is heated to critical condition heat-fusible materials (ABS resin, nylon, wax etc.), present quasi-fluid properties, under the control of the computer, along the two-dimensional geometry information movement track that CAD determines, the material of half flow regime squeezes out by extruder head, solidifies the thin layer forming contour shape.After one deck, fallen by vertical lift system and newly form layer, be cured.Pile up bonding so layer by layer, form the 3D solid of this model from bottom to top.
One of key issue of the three-dimensional printer of application FDM technology is formed precision problem, affects a lot of because have of formed precision, the problem etc. comprising frame strength, transmission stability and cool heat-fusible materials.Frame strength deficiency can cause printer to occur the change of fitted position in the course of the work, impacts formed precision; Intensity deficiency also can cause transmission stability not high, and vibrations appear in printhead walking process mid frame, and printing precision is reduced; Heat-fusible materials cools too slow after extruder head is extruded, and there will be heat-fusible materials and is naturally elongated by gravity, causes the model printed to occur the problem of being out of shape.So, for improving printing precision, needing badly and existing three-dimensional printer is improved.
Utility model content
The utility model, in order to solve weak point of the prior art, provides that a kind of compact conformation, intensity are high, transmission stability good, shortening heat melt material cool time, promotes the rack mount configurations of the Timing Belt drive-type parallel arm three-dimensional printer of printing precision.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer, it is characterized in that: comprise the base in equilateral triangle structure, base is vertically provided with three support columns respectively at three drift angle places, three support column top levels are provided with installing plate, installing plate is provided with raw material extruder, vertically slide inside every root support column and be provided with coaster, Timing Belt driving mechanism is provided with between support column and coaster, mutually isostructural parallel arm is all hinged with inside each coaster, the lower end of parallel arm is hinged with extrudes workbench, the center of extruding workbench is provided with extruder head, the entrance point of extruder head is connected with the discharging opening of raw material extruder by mother tube, extruder head outer wrap having heaters,
Support column center is vertically provided with through hole, support column medial surface is vertically provided with slide rail, coaster is slidably connected on slide rail, support column vertically offers the pilot hole be communicated with through hole at slide rail place, Timing Belt driving mechanism comprises stepper motor, fixed pulley, Timing Belt and Connection Block, stepper motor is positioned at the base immediately below through hole, fixed pulley is located at via top, Connection Block the inner passes outwards through pilot hole and is fixedly connected with coaster, the two ends of Timing Belt are connected with the upper surface of Connection Block and lower surface respectively, the main shaft of stepper motor is connected with belt wheel, connected by toothed belt transmission between belt wheel and fixed pulley,
Base sidepiece is provided with electric control gear, and electric control gear is connected with raw material extruder, heater, turbofan, semiconductor chilling plate and stepper motor respectively.
Described base is provided with the fixed head between three support columns.
Adopt technique scheme, the base side of Timing Belt drive-type parallel arm three-dimensional printer is provided with cold wind generation device, cold wind generation device comprises turbofan, housing and semiconductor chilling plate, semiconductor chilling plate is located in housing, the chill surface of semiconductor chilling plate is connected with the fin being positioned at housing, the face that heats of semiconductor chilling plate is connected with the outer fin stretching out housing, the radiator fan that external fin carries out dispelling the heat is provided with outside housing, the side of housing is connected with the air outlet of turbofan, the opposite side of housing is connected with wind scooper, the outlet of wind scooper is connected with cooling jet by cool air hose, cooling jet is located at by connecting plate to be extruded bottom workbench, the air outlet of cooling jet is towards the outlet of extruder head, cool air hose is along the lateral of a wherein support column is connected with cooling jet through after installing plate from top to bottom.
Timing Belt drive-type parallel arm three-dimensional printer has following beneficial effect:
1, the Timing Belt driving mechanism often arranged between root support column with corresponding coaster, Timing Belt driving mechanism adopts driving stepper motor Timing Belt, Timing Belt passes through Connection Block band pulley along the upper and lower rectilinear motion of guide rail, it is more steady that the use of Timing Belt makes coaster move up and down, mobile accuracy is higher, thus guarantees that parallel arm drive is extruded workbench and run more steady.
2, the cold air that the chill surface of semiconductor chilling plate produces is spread by interior fin, brushing through turbofan, cold air sprays to the exit of extruder head successively by wind scooper, cool air hose and cooling jet, the material of half flow regime squeezes out by extruder head, brute force through cold wind cools, and quick solidification forms the thin layer of contour shape.So just avoid cool time long, the situation causing heat molten type material to produce distortion due to self gravitation effect occurs.The heat that the face that heats of semiconductor chilling plate produces is through the heat radiation of outer fin and brushing through radiator fan, and radiating effect strengthens greatly.
In sum, Timing Belt drive-type parallel arm three-dimensional printer modern design, compact conformation, transmission stability are high, and cool in time the heat-fusible materials extruded, the product printed there will not be distortion, and printing precision improves greatly.
Accompanying drawing explanation
Fig. 1 is the perspective view of Timing Belt drive-type parallel arm three-dimensional printer;
Fig. 2 is the planar structure schematic diagram of Timing Belt drive-type parallel arm three-dimensional printer;
Fig. 3 is the enlarged drawing at A place in Fig. 1;
Fig. 4 is the enlarged drawing at B place in Fig. 2.
Detailed description of the invention
As Figure 1-Figure 4, Timing Belt drive-type parallel arm three-dimensional printer, comprise the base 1 in equilateral triangle structure, base 1 is vertically provided with three support columns 2 respectively at three drift angle places, three support column 2 top levels are provided with installing plate 3, installing plate 3 is provided with raw material extruder 4, base 1 side is provided with cold wind generation device 5, vertically slide inside every root support column 2 and be provided with coaster 6, Timing Belt driving mechanism is provided with between support column 2 and coaster 6, mutually isostructural parallel arm 7 is all hinged with inside each coaster 6, the lower end of parallel arm 7 is hinged with extrudes workbench 8, the center of extruding workbench 8 is provided with extruder head 9, the entrance point of extruder head 9 is connected with the discharging opening of raw material extruder 4 by mother tube 10, extruder head 9 outer wrap having heaters 11.
Cold wind generation device 5 comprises turbofan 12, housing 13 and semiconductor chilling plate 14, semiconductor chilling plate 14 is located in housing 13, the chill surface of semiconductor chilling plate 14 is connected with the fin 15 being positioned at housing 13, the face that heats of semiconductor chilling plate 14 is connected with the outer fin 16 stretching out housing 13, the radiator fan 17 that external fin 16 carries out dispelling the heat is provided with outside housing 13, the side of housing 13 is connected with the air outlet of turbofan 12, the opposite side of housing 13 is connected with wind scooper 18, the outlet of wind scooper 18 is connected with cooling jet 20 by cool air hose 19, cooling jet 20 is located at by connecting plate 30 to be extruded bottom workbench 8, the air outlet of cooling jet 20 is towards the outlet of extruder head 9, cool air hose 19 is along the lateral of a wherein support column 2 is connected with cooling jet 20 through after installing plate 3 from top to bottom.
Support column 2 center is vertically provided with through hole 21, support column 2 medial surface is vertically provided with slide rail 22, coaster 6 is slidably connected on slide rail 22, support column 2 vertically offers the pilot hole be communicated with through hole 21 at slide rail 22 place, Timing Belt driving mechanism comprises stepper motor 23, fixed pulley 24, Timing Belt 25 and Connection Block 26, stepper motor 23 is positioned at the base 1 immediately below through hole, fixed pulley 24 is located at via top, Connection Block 26 the inner passes outwards through pilot hole and is fixedly connected with coaster 6, the two ends of Timing Belt 25 are connected with the upper surface of Connection Block 26 and lower surface respectively, the main shaft of stepper motor 23 is connected with belt wheel 27, be in transmission connection by Timing Belt 25 between belt wheel 27 and fixed pulley 24.
Base 1 sidepiece is provided with electric control gear 29, and electric control gear 29 is connected with raw material extruder 4, heater 11, turbofan 12, semiconductor chilling plate 14 and stepper motor 23 respectively.
Base 1 is provided with the fixed head 28 between three support columns 2.
The Timing Belt driving mechanism arranged between every root support column 2 with corresponding coaster 6, Timing Belt driving mechanism adopts stepper motor 23 to drive Timing Belt 25, Timing Belt 25 passes through Connection Block 26 band pulley along the upper and lower rectilinear motion of guide rail, it is more steady that the use of Timing Belt 25 makes coaster 6 move up and down, mobile accuracy is higher, thus guarantees that parallel arm 7 drive is extruded workbench 8 and run more steady.
The cold air that the chill surface of semiconductor chilling plate 14 produces is spread by interior fin 15, through brushing of turbofan 12, cold air sprays to the exit of extruder head 9 successively by wind scooper 18, cool air hose 19 and cooling jet 20, the material of half flow regime squeezes out by extruder head 9, brute force through cold wind cools, and quick solidification forms the thin layer of contour shape.So just avoid cool time long, the situation causing heat molten type material to produce distortion due to self gravitation effect occurs.The heat that the face that heats of semiconductor chilling plate 14 produces is through the heat radiation of outer fin 16 and brushing through radiator fan 17, and radiating effect strengthens greatly.
The present embodiment not does any pro forma restriction to shape of the present utility model, material, structure etc.; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.

Claims (2)

1. the rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer, it is characterized in that: comprise the base in equilateral triangle structure, base is vertically provided with three support columns respectively at three drift angle places, three support column top levels are provided with installing plate, installing plate is provided with raw material extruder, vertically slide inside every root support column and be provided with coaster, Timing Belt driving mechanism is provided with between support column and coaster, mutually isostructural parallel arm is all hinged with inside each coaster, the lower end of parallel arm is hinged with extrudes workbench, the center of extruding workbench is provided with extruder head, the entrance point of extruder head is connected with the discharging opening of raw material extruder by mother tube, extruder head outer wrap having heaters,
Support column center is vertically provided with through hole, support column medial surface is vertically provided with slide rail, coaster is slidably connected on slide rail, support column vertically offers the pilot hole be communicated with through hole at slide rail place, Timing Belt driving mechanism comprises stepper motor, fixed pulley, Timing Belt and Connection Block, stepper motor is positioned at the base immediately below through hole, fixed pulley is located at via top, Connection Block the inner passes outwards through pilot hole and is fixedly connected with coaster, the two ends of Timing Belt are connected with the upper surface of Connection Block and lower surface respectively, the main shaft of stepper motor is connected with belt wheel, connected by toothed belt transmission between belt wheel and fixed pulley,
Base sidepiece is provided with electric control gear, and electric control gear is connected with raw material extruder, heater, turbofan, semiconductor chilling plate and stepper motor respectively.
2. the rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer according to claim 1, is characterized in that: described base is provided with the fixed head between three support columns.
CN201520685666.5U 2015-09-07 2015-09-07 The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer Expired - Fee Related CN204936220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520685666.5U CN204936220U (en) 2015-09-07 2015-09-07 The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520685666.5U CN204936220U (en) 2015-09-07 2015-09-07 The rack mount configurations of Timing Belt drive-type parallel arm three-dimensional printer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107231789A (en) * 2016-08-12 2017-10-03 江门市宏汇科技有限公司 A kind of food 3D printer with double printing nozzles
CN108465803A (en) * 2018-03-02 2018-08-31 东南大学 A kind of three-dimensional lifting molding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107231789A (en) * 2016-08-12 2017-10-03 江门市宏汇科技有限公司 A kind of food 3D printer with double printing nozzles
CN108465803A (en) * 2018-03-02 2018-08-31 东南大学 A kind of three-dimensional lifting molding machine

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160106

Termination date: 20160907