CN107081902A - It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically - Google Patents
It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically Download PDFInfo
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- CN107081902A CN107081902A CN201710506839.6A CN201710506839A CN107081902A CN 107081902 A CN107081902 A CN 107081902A CN 201710506839 A CN201710506839 A CN 201710506839A CN 107081902 A CN107081902 A CN 107081902A
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- wire feeder
- charging tray
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- 238000007493 shaping process Methods 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 138
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 230000008021 deposition Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 16
- 238000000151 deposition Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The increasing material former and its forming method of shaping workpiece can be removed automatically the invention discloses a kind of, wherein, the equipment includes charging tray, wire feeder, printing equipment, three-axis moving device, conveyer, vacuum adsorption table and collection device, printing silk is provided with charging tray, printing silk enters printing equipment by wire feeder, realize fuse deposition printing, three-axis moving device drives printing equipment to realize three-axis moving, vacuum adsorption table is fixed between conveyer belt, for the conveyer belt of adsorption potential to its upper, collection device is arranged at the front of conveyer, the shaping workpiece come is conveyed for receiving from conveyer.The increasing material former and its forming method that shaping workpiece can be removed automatically can realize the automatic removal of shaping workpiece, and the absorption and release to conveyer belt can also be realized by vacuum suction mode, improve the stability of equipment and print the quality of workpiece.
Description
Technical field
The present invention relates to material increasing field, specifically providing a kind of can remove the increasing material former of shaping workpiece automatically
And its forming method.
Background technology
Increases material manufacturing technology (also referred to as 3D printing technique) has obtained rapid development in recent years, special according to molding technology thereof
Increases material manufacturing technology can be divided into by point：Selective laser sintering (SLS, SLM), laser stereoforming (SLA), laser digitizing processing
Technology (DLP), fuse depositing operation (FDM) etc..In numerous increasing material manufacturing moulding process, fuse depositing operation has because of it
The characteristics of wire rod is with low cost, equipment principle is simple, deep to be welcome by user, the printer of current fuse depositing operation exists
The fields such as health care, animation creation, mold design are applied.With deep understanding of the people to fuse depositing operation,
Higher requirement is proposed to the technique, such as：Higher printing precision, higher shaping efficiency etc..But restriction fuse deposition
The key that technique is applied in industrial circle, is that it is difficult to the printing of the continuous-stable of workpiece, in order to realize fuse deposition
Continuous printing is, it is necessary to which after single workpiece completes printing, printer control system automatically moves molded workpiece from platform surface
Remove, so that new workpiece can be printed smoothly on shaped platform surface.It is numerous to realize the purpose of the removal by workpiece is printed
Research staff proposes different solutions, and the Opencreators companies in the U.S. by the way of print platform is changed automatically
To realize the removing of molded workpiece, its operation principle is often completes the printing of a workpiece, and the Z axis of FDM printers declines one
Fixed height, the sample stage for being loaded with shaping workpiece is removed by conveyer belt, and replaces blank sample sample platform in forming area.The equipment exists
The automatic printing of FDM printers is realized to a certain extent, but the workpiece of printing is still bonded in sample stage surface, and the later stage needs
Manually sample is separated, and due to needing constantly to change sample stage in forming process, easily caused between sample stage and extrusion spinneret
Away from uneven, make be bonded insecure between printing workpiece and sample stage, cause workpiece printing failure.It is domestic to solve the problem
Wound must Science and Technology Ltd. design it is a set of removed by way of heating printing workpiece technique, the technique is in shaping
Just, forming area can the higher PUR of specimen heating holder surface smear fusion temperature, workpiece is after the completion of printing, by sample
Sample platform temperature is increased to the fusion temperature of PUR, and printhead is moved line by line on sample stage surface, and printing workpiece is released into sample
Platform surface, so as to realize the removal of printing workpiece.This method further increases the automaticity of FDM printers, but due to
Shaping workpiece size differs, in printhead during sample stage apparent motion removes sample, the less sample of size
Easily remain in sample stage surface, the precision and reliability of the printing of influence later stage.The Blackbelt companies in the U.S. are it is also proposed that one kind
Using the mode of conveyer belt realize printing workpiece remove method, this method using the sample stage by the use of timing belt as printer,
Melting printing silk is directly molded in synchronous belt surface, the timing belt of machine automatically moves one after a workpiece has been printed
Set a distance, print area is removed by shaping workpiece, so that printer continuously continual can be printed.This method exists
The problem of fuse depositing operation is continuously printed is solved to a certain extent, but because timing belt is usually quality of rubber materials, it is used
Ceiling temperature is usually less than 200 DEG C, and the extruder head temperature of fuse depositing operation is typically larger than 220 DEG C, holds in use
The damage of synchronous belt surface is easily caused, makes printing precision, reliability decrease；And because timing belt is difficult to the metallic plate with bottom
Realization is brought into close contact, and changes greatly the gap between timing belt and extruder head, exacerbates the abrasion of timing belt, is also shortened and is beaten
The service life of print machine；In addition the printing raw material that the printer is used is diameter about 2mm printing silk, and the feed mode is in printing
Silk weight it is smaller when, wire feeding motor can drive rotation of disc, on precision influence it is smaller, but due in charging tray printed material compared with
It is few so that the frequency for changing printed material is higher, have impact on the effect continuously printed；And when printed material is more in charging tray, give
Silk motor load is larger, is easily caused wire feeding motor heating, influence print quality and wire feeding motor service life.
Therefore, how existing increasing material former and its forming method are improved, it is urgently to be resolved hurrily as people
Problem.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of increasing material former that can remove shaping workpiece automatically and its into
Type method, can not remove shaping workpiece automatically to solve existing increasing material former, conveyer belt stably can not be fixed
The problems such as.
One aspect of the present invention provide it is a kind of can remove the increasing material former of shaping workpiece automatically, including：Charging tray, wire feed
Printing silk is provided with device, printing equipment, three-axis moving device, conveyer, vacuum adsorption table and collection device, charging tray,
Printing silk enters printing equipment by wire feeder, realizes fuse deposition printing, and three-axis moving device, which includes X-axis guide rail, Y-axis, leads
Sliding block is provided with rail and Z axis guide rail, X-axis guide rail, Y-axis guide rail and Z axis guide rail along its length, X-axis guide rail is two,
It is set in parallel in the both sides of conveyer along the direction of transfer of conveyer, Y-axis guide rail is by the sliding block in X-axis guide rail, vertically
The top of X-axis guide rail is arranged at, is moved under the drive of sliding block that can be in X-axis guide rail along the length direction of X-axis guide rail, Z axis
The sliding block of guide rail is vertically installed in Y-axis guide rail by the sliding block in Y-axis guide rail, under the drive of sliding block that can be in Y-axis guide rail
Moved along the length direction of Y-axis guide rail, printing equipment is arranged at the back side of Z axis guide rail, can be under the drive of Z axis guide rail along Z
Axis rail moves up and down, and conveyer includes driving shaft, driven shaft and the conveyer belt being sheathed on outside driving shaft and driven shaft, very
Empty absorptive table is fixedly installed on superposed conveyer belt and between the conveyer belt of bottom, for adsorbing superposed biography
Band is sent, wherein, the vacuum adsorption table includes setting on panel, bottom plate and the sealing ring being located between panel and bottom plate, panel
It is equipped with gas port, bottom plate and is provided with steam vent and connects the gas passage of gas port and steam vent, it is electric that steam vent passes through gas
Magnet valve is connected with air interface or vavuum pump, and when gas solenoid valve is opened, steam vent is connected with vavuum pump, works as gas solenoid valve
During closing, steam vent is connected with air interface, and the collection device is arranged at the front of conveyer, for receiving from transmission dress
Put the shaping workpiece that conveying comes.
It is preferred that, the surrounding of vacuum adsorption table is additionally provided with Level tune hole, the level for adjusting vacuum adsorption table.
Further preferably, the charging tray includes charging tray A and charging tray B, and wire feeder includes wire feeder A and wire feeder B,
Printing silk on charging tray A and charging tray B by wire feeder A and wire feeder B and enters silk mouthful and B by the A of Y type feed heads respectively
Enter silk mouthful and enter printing equipment, wire feeder A and wire feeder B are connected with controller, when the printing silk in charging tray B/ charging trays A
When using up, controller controls wire feeder B/ wire feeders A to extract the clout in printing equipment out, and controls wire feeder A/ to send
Silk device B is through Y types feed head to printing equipment wire feed.
Further preferably, wire feeder A and wire feeder B include leading into silk mouth, wire feeding motor, wire feeding gear, U-type groove
Wheel and filament mouth, wherein, the output shaft of wire feeding motor is connected with wire feeding gear, drives wire feeding gear rotation, and U-type groove guide wheel is set
In the side of wire feeding gear, printing silk is sequentially passed through into after the U-type groove of silk mouthful and U-type groove guide wheel, under the drive of wire feeding gear
From filament mouth output.
Further preferably, printing equipment includes the nozzle connected with the trunnion of the outlet of Y type feed heads and with trunnion,
Wherein, the outside of trunnion is provided with fin, and the outside of nozzle, which is provided with heat block, heat block, is provided with heating tube and temperature-sensitive
Resistance, thermistor is used to monitoring the real time temperature of heat block, and heating tube is used for the temperature for adjusting heat block, thermistor and plus
Heat pipe is connected with controller, it is possible to achieve to the control for the melting temperature for printing silk.
Further preferably, nozzle bottom sets wire vent hole, a diameter of 0.2~1mm in wire vent hole, and the inside diameter of trunnion is
1.5~3mm.
Further preferably, conveyer belt includes the rubber belt, steel screen layer and U.S. line ply of paper set gradually from inside to outside.
Further preferably, collection device is in opening trench structure, and the gap with conveyer belt is 0.3~3mm.
Present invention also offers a kind of forming method for the increasing material former that can remove shaping workpiece automatically, using above-mentioned
Equipment, comprises the following steps：
(1) printing part model is cut into slices, obtains the profile information of workpiece, wherein, slice thickness for 0.01~
1mm；
(2) gas solenoid valve is opened, is discharged the air between bottom plate and panel using vavuum pump so that vacuum adsorption table
By the conveyer belt of gas port adsorption potential to its upper on panel, the smooth fixation of the conveyer belt in portion disposed thereon is realized；
(3) control printing equipment is lifted up the height of a slice thickness along Z axis guide rail；
(4) control printing equipment is moved with respect to X-axis guide rail and Y-axis guide rail, meanwhile, wire feeder is controlled by beating on charging tray
Silk feeding printing equipment is printed, printing equipment completes fuse deposition printing, and then realizes the shaping of a cross-sectional shapes of workpiece；
(5) repeat step (3) and (4), until completing the shaping of whole workpiece；
(6) work as Workpiece shaping, close gas solenoid valve, pass through air interface air inlet, vacuum between bottom plate and panel
Absorptive table discharges the conveyer belt for being adsorbed in its surface；
(7) control driving shaft rotation, to drive conveyer belt to move, and then drives the shaping workpiece fortune being located on conveyer belt
It is dynamic, when shaping workpiece reaches driven shaft, shear force is produced between shaping workpiece and conveyer belt, and then divide with conveyer belt
From automatically falling into collection device, realize the automatic removal of shaping workpiece.
It is preferred that, in the described forming method of increasing material former that can remove shaping workpiece automatically, connect with printing equipment
The wire feeder and charging tray connect is two, and charging tray includes charging tray A and charging tray B, and wire feeder includes wire feeder A and wire feed is filled
Put that B, wire feeder A and wire feeder B enter silk mouthful by the A on Y type feed heads respectively and B enters silk mouthful by charging tray A and charging tray B
Printing silk feeding printing equipment；
The printing silk feeding printing equipment on charging tray is specifically included following step by control wire feeder in above-mentioned steps (4)
Suddenly：
Calculating currently enters silk mouthful by A or B enters silk mouthful into the length for printing silk of printing equipment；
When entering the total length for the printing silk that the length of printing silk of silk mouthful is equal on charging tray A by A, wire feeder B leads to
The printing silk crossed on charging tray B continues to printing equipment wire feed, similarly, when the length for the printing silk for entering silk mouthful by B is equal to charging tray B
On printing silk total length when, wire feeder A is continued to printing equipment wire feed by printing on charging tray A silk.
What the present invention was provided can remove the increasing material former and its forming method of shaping workpiece automatically, using vacuum suction
Mode can make conveyer belt and vacuum adsorption table adsorbed close, improve equipment stability and print workpiece quality, together
When, during conveyer belt is rotated, because driven paraxial curvature is larger, larger shearing can be produced between shaping workpiece and conveyer belt
Active force, shaping workpiece can be automatically separated with conveyer belt, and fall into collection device.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 can remove the structural representation of the increasing material former of shaping workpiece automatically for the present invention；
Fig. 2 can remove the sectional view of the increasing material former of shaping workpiece automatically for the present invention；
Fig. 3 is the connection figure of charging tray, wire feeder and printing equipment；
Fig. 4 is the structural scheme of mechanism of vacuum adsorption table；
Fig. 5 is the structural representation of bottom plate；
Fig. 6 is the structural representation of sealing ring；
Fig. 7 is the structural representation of panel；
Fig. 8 is the structural representation of conveyer belt.
Embodiment
The present invention is further explained below in conjunction with specific embodiment, but does not limit to the present invention.
As shown in Figure 1 and Figure 2, the invention provides a kind of the increasing material former of shaping workpiece can be removed automatically, including：
Set on charging tray, wire feeder, printing equipment 3, three-axis moving device, conveyer, vacuum adsorption table 6 and collection device 7, charging tray
Printing silk 8 is equipped with, printing silk 8 enters printing equipment 3 by wire feeder, realizes fuse deposition printing, three-axis moving device bag
Include in X-axis guide rail 41, Y-axis guide rail 42 and Z axis guide rail 43, X-axis guide rail 41, Y-axis guide rail 42 and Z axis guide rail 43 along its length
Sliding block is provided with, X-axis guide rail 41 is two, and the both sides of conveyer, Y-axis are set in parallel in along the direction of transfer of conveyer
Guide rail 42 is vertically installed in the top of X-axis guide rail 41 by the sliding block in X-axis guide rail 41, can be in the sliding block in X-axis guide rail 41
Moved under drive along the length direction of X-axis guide rail 41, the sliding block of Z axis guide rail 43 is vertically set by the sliding block in Y-axis guide rail 42
It is placed in Y-axis guide rail 42, can be moved under the drive of the sliding block in Y-axis guide rail 42 along the length direction of Y-axis guide rail 42, is printed
Device 3 is arranged at the back side of Z axis guide rail 43, can be moved up and down under the drive of Z axis guide rail 43 along Z axis guide rail 43, conveyer
Including driving shaft 51, driven shaft 52 and the conveyer belt 53 being sheathed on outside driving shaft 51 and driven shaft 52, vacuum adsorption table 6 is fixed
It is arranged at superposed conveyer belt 53 and between the conveyer belt of bottom, for adsorbing superposed conveyer belt 53, its
In, as shown in Figures 4 to 7, the vacuum adsorption table 6 includes panel 61, bottom plate 62 and is located between panel 61 and bottom plate 62
Sealing ring 63, be provided with gas port 611, bottom plate 62 on panel 61 and be provided with steam vent 621 and connect gas port 611 and row
The gas passage 622 of stomata 621, steam vent 621 is connected by gas solenoid valve with air interface or vavuum pump, when gas electromagnetism
When valve is opened, steam vent 621 is connected with vavuum pump, is discharged the air between bottom plate and panel by vavuum pump, it is possible to achieve
The absorption of panel and conveyer belt, when gas solenoid valve is closed, steam vent 621 is connected with air interface, air enter bottom surface with
Between panel, the conveyer belt of panel release absorption, the collection device 7 is arranged at the front of conveyer, for receiving from biography
Send the device shaping workpiece that conveying comes.
This can remove the increasing material former of shaping workpiece automatically, pass through three-axis moving device, it is possible to achieve printing equipment
Three-axis moving on conveyer, and then the printing of workpiece is realized, pass through vacuum adsorption table, it is possible to achieve tight with conveyer belt
Close absorption, improves the stability of equipment and prints the quality of workpiece, meanwhile, during conveyer belt is rotated, due to driven shaft
Curvature is larger, and larger shear force can be produced between shaping workpiece and conveyer belt, and shaping workpiece can be automatic with conveyer belt
Separation, and collection device is fallen into, realize the automatic removal of shaping workpiece.
In order to adjust the level of vacuum adsorption table, as the improvement of technical scheme, as shown in figure 4, the four of vacuum adsorption table 6
It is additionally provided with Level tune hole 64 week.
In order to realize the automatic replacing of printing silk, it is molded with the continuous-stable for realizing equipment, as the improvement of technical scheme,
As shown in figure 3, the charging tray includes charging tray A11 and charging tray B12, wire feeder includes wire feeder A21 and wire feeder B22,
Printing silk 8 on charging tray A11 and charging tray B12 is respectively by wire feeder A21 and wire feeder B22 and by Y types feed head 9
A enters 91 and B of silk mouthful and enters silk mouthful 92 into printing equipment 3, and wire feeder A21 and wire feeder B22 are connected with controller, work as material
When printing silk 8 in disk B12/ charging trays A11 is used up, controller controls wire feeder B22/ wire feeders A21 by printing equipment 3
Clout extract out, and control wire feeder A21/ wire feeders B22 through Y types feed head 9 to the wire feed of printing equipment 3.
As shown in figure 3, wire feeder A21 and wire feeder B22 are included into silk mouthful 23, wire feeding motor 24, wire feeding gear
25th, U-type groove guide wheel 26 and filament mouth 27, wherein, the output shaft of wire feeding motor 24 is connected with wire feeding gear 25, drives wire feeding gear
25 rotations, U-type groove guide wheel 26 is arranged at the side of wire feeding gear 25, and printing silk 8 is sequentially passed through into silk mouthful 23 and U-type groove guide wheel 26
U-type groove after, exported under the drive of wire feeding gear 25 from filament mouth 27.
As shown in figure 3, printing equipment 3 includes what is connected with the trunnion 31 of the outlet of Y types feed head 9 and with trunnion 31
Nozzle 32, wherein, the outside of trunnion 31 is provided with fin 33, and the outside of nozzle 32 is provided with heat block 34, heat block 34
Heating tube 35 and thermistor 36 are provided with, thermistor 36 is used for the real time temperature for monitoring heat block 34, and heating tube 35 is used for
The temperature of heat block 34 is adjusted, thermistor 36 and heating tube 35 are connected with controller, it is possible to achieve the melting to printing silk 8
The control of temperature.
The bottom of nozzle 32 sets wire vent hole (not shown), and the diameter in wire vent hole is preferably 0.2~1mm, trunnion 31
Inside diameter is preferably 1.5~3mm.
As the improvement of technical scheme, as shown in figure 8, conveyer belt 53 includes the rubber belt set gradually from inside to outside
531st, steel screen layer 532 and U.S. line ply of paper 533, wherein, U.S. line ply of paper plays increase printing workpiece and conveyer belt adhesive strength
Effect, steel screen layer can improve conveyer belt heat resistance and anti-wear performance, and the material of the rubber that rubber belt is used can be for
It is one or more in natural rubber, EP rubbers, butadiene-styrene rubber, nitrile rubber, silicon rubber, fluorubber, using sulfuration process system
Into rubber strip, above-mentioned conveyer belt can be obtained by being bonded steel wire, U.S. line paper successively in rubber belt surface.
As shown in figure 1, collection device 7 is in opening trench structure, the gap with conveyer belt 53 is 0.3~3mm.In conveyer belt
In rotation process, driven paraxial curvature is larger, and larger shear force will be produced on the bonding plane of shaping workpiece and conveyer belt
And separate, while the shaping workpiece for transmitting belt surface, due to the obstruction of collection device, gets off from conveyer belt sur-face peeling, fallen
Enter in collection device.
The forming method for increasing material former of shaping workpiece can be removed automatically present invention also offers a kind of, including it is as follows
Step：
(1) using Three-dimensional Design Softwares such as CAD, Pro-E, UG, CATIA, the threedimensional model of shaping workpiece is set up, to model
Model is cut into slices for 0.1mm height according to thickness, the shape of each section of model is obtained；
(2) gas solenoid valve is opened, is discharged the air between bottom plate and panel using vavuum pump so that vacuum adsorption table
By the conveyer belt of gas port adsorption potential to its upper on panel, the smooth fixation of the conveyer belt in portion disposed thereon is realized；
(3) control printing equipment is lifted up the height of a slice thickness along Z axis guide rail；
(4) control printing equipment is moved with respect to X-axis guide rail and Y-axis guide rail, meanwhile, wire feeder is controlled by beating on charging tray
Silk feeding printing equipment is printed, printing equipment completes fuse deposition printing, and then realizes the shaping of a cross-sectional shapes of workpiece；
(5) repeat step (3) and (4), until completing the shaping of whole workpiece；
(6) work as Workpiece shaping, close gas solenoid valve, pass through air interface air inlet, vacuum between bottom plate and panel
Absorptive table discharges the conveyer belt for being adsorbed in its surface；
(7) control driving shaft rotation, to drive conveyer belt to move, and then drives the shaping workpiece fortune being located on conveyer belt
It is dynamic, when shaping workpiece reaches driven shaft, shear force is produced between shaping workpiece and conveyer belt, and then divide with conveyer belt
From automatically falling into collection device, realize the automatic removal of shaping workpiece.
This can remove the forming method of the increasing material former of shaping workpiece automatically, using vacuum suction mode, Ke Yishi
The adsorbed close of existing vacuum adsorption table and conveyer belt, improves the stability of equipment and prints the quality of workpiece, meanwhile, conveyer belt
During rotation, because driven paraxial curvature is larger, larger shear force can be produced between shaping workpiece and conveyer belt, into
Type workpiece can be automatically separated with conveyer belt, and fall into collection device, realize the automatic removal of shaping workpiece.
In order to realize the automatic replacing of printing silk, as the improvement of technical scheme, the wire feeder being connected with printing equipment
It it is two with charging tray, charging tray includes charging tray A and charging tray B, wire feeder includes wire feeder A and wire feeder B, wire feeder
A and wire feeder B enter silk mouthful by the A on Y type feed heads respectively and B enters silk mouthful and sends into the printing silk on charging tray A and charging tray B
Printing equipment；
The printing silk feeding printing equipment on charging tray is specifically included following steps by control wire feeder in step (4)：
Calculating currently enters silk mouthful by A or B enters silk mouthful into the length for printing silk of printing equipment；
Wherein, the length into the printing silk of printing equipment can be calculated by the rotating speed of wire feeding motor with the number of turns turned over；
When entering the total length for the printing silk that the length of printing silk of silk mouthful is equal on charging tray A by A, wire feeder B leads to
The printing silk crossed on charging tray B continues to printing equipment wire feed, similarly, when the length for the printing silk for entering silk mouthful by B is equal to charging tray B
On printing silk total length when, wire feeder A is continued to printing equipment wire feed by printing on charging tray A silk.
This method can realize the automatic replacing of printing silk, realize the continuous-stable shaping of equipment.
The embodiment of the present invention is write according to progressive mode, highlights each embodiment
Difference, its similar portion can be with cross-reference.
Embodiments of the present invention are elaborated above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.
Claims (10)
1. a kind of can remove the increasing material former of shaping workpiece automatically, it is characterised in that including：Charging tray, wire feeder, printing
Printing silk is provided with device (3), three-axis moving device, conveyer, vacuum adsorption table (6) and collection device (7), charging tray
(8), printing silk (8) enters printing equipment (3) by wire feeder, realizes fuse deposition printing, and three-axis moving device includes X-axis
Along it in guide rail (41), Y-axis guide rail (42) and Z axis guide rail (43), X-axis guide rail (41), Y-axis guide rail (42) and Z axis guide rail (43)
Length direction is provided with sliding block, and X-axis guide rail (41) is two, and conveyer is set in parallel in along the direction of transfer of conveyer
Both sides, Y-axis guide rail (42) is vertically installed in the top of X-axis guide rail (41) by the sliding block in X-axis guide rail (41), can be in X-axis
Moved under the drive of sliding block on guide rail (41) along the length direction of X-axis guide rail (41), the sliding block of Z axis guide rail (43) passes through Y
Sliding block on axis rail (42) is vertically installed in Y-axis guide rail (42), can under the drive of the sliding block in Y-axis guide rail (42) along
The length direction motion of Y-axis guide rail (42), printing equipment (3) is arranged at the back side of Z axis guide rail (43), can be in Z axis guide rail (43)
Drive under moved up and down along Z axis guide rail (43), conveyer includes driving shaft (51), driven shaft (52) and being sheathed on driving shaft
(51) conveyer belt (53) outside with driven shaft (52), vacuum adsorption table (6) is fixedly installed on superposed conveyer belt (53)
And between the conveyer belt of bottom, for adsorbing superposed conveyer belt (53), wherein, vacuum adsorption table (6) bag
Include and set on panel (61), bottom plate (62) and the sealing ring (63) being located between panel (61) and bottom plate (62), panel (61)
Have and be provided with steam vent (621) on gas port (611), bottom plate (62) and connect the gas of gas port (611) and steam vent (621)
Passage (622), steam vent (621) is connected by gas solenoid valve with air interface or vavuum pump, when gas solenoid valve is opened,
Steam vent (621) is connected with vavuum pump, and when gas solenoid valve is closed, steam vent (621) is connected with air interface, described to collect
Device (7) is arranged at the front of conveyer, and the shaping workpiece come is conveyed for receiving from conveyer.
2. the increasing material former of shaping workpiece can be removed automatically according to described in claim 1, it is characterised in that：Vacuum suction
The surrounding of platform (6) is additionally provided with Level tune hole (64), the level for adjusting vacuum adsorption table (6).
3. the increasing material former of shaping workpiece can be removed automatically according to described in claim 1, it is characterised in that：The charging tray
Including charging tray A (11) and charging tray B (12), wire feeder includes wire feeder A (21) and wire feeder B (22), charging tray A (11) and
Printing silk (8) on charging tray B (12) is respectively by wire feeder A (21) and wire feeder B (22) and by Y types feed head (9)
A enter silk mouthful (91) and B enters silk mouthful (92) entrance printing equipment (3), wire feeder A (21) and wire feeder B (22) with control
Device connection processed, when the printing silk (8) in charging tray B (12)/charging tray A (11) is used up, controller control wire feeder B (22)/send
Silk device A (21) extracts the clout in printing equipment (3) out, and controls wire feeder A (21)/wire feeder B (22) to enter through Y types
Material head (9) is to printing equipment (3) wire feed.
4. the increasing material former of shaping workpiece can be removed automatically according to described in claim 3, it is characterised in that：Wire feeder
A (21) and wire feeder B (22) are included into silk mouthful (23), wire feeding motor (24), wire feeding gear (25), U-type groove guide wheel (26)
With filament mouth (27), wherein, the output shaft of wire feeding motor (24) is connected with wire feeding gear (25), drive wire feeding gear (25) rotation
Turn, U-type groove guide wheel (26) is arranged at the side of wire feeding gear (25), printing silk (8) is sequentially passed through leads into silk mouthful (23) and U-type groove
After the U-type groove for taking turns (26), exported under the drive of wire feeding gear (25) from filament mouth (27).
5. the increasing material former of shaping workpiece can be removed automatically according to described in claim 4, it is characterised in that：Printing equipment
(3) nozzle (32) connected with the trunnion (31) of the outlet of Y types feed head (9) and with trunnion (31) is included, wherein, trunnion
(31) outside is provided with fin (33), and the outside of nozzle (32) is provided with heat block (34), and heat block is provided with (34)
Heating tube (35) and thermistor (36), thermistor (36) are used for the real time temperature for monitoring heat block (34), heating tube (35)
Temperature for adjusting heat block (34), thermistor (36) and heating tube (35) are connected with controller, it is possible to achieve air exercise
Print the control of the melting temperature of silk (8).
6. the increasing material former of shaping workpiece can be removed automatically according to described in claim 1, it is characterised in that：Nozzle (32)
Bottom setting wire vent hole, a diameter of 0.2~1mm in wire vent hole, the inside diameter of trunnion (31) is 1.5~3mm.
7. the increasing material former of shaping workpiece can be removed automatically according to described in claim 1, it is characterised in that：Conveyer belt
(53) the rubber belt (531), steel screen layer (532) and U.S. line ply of paper (533) set gradually from inside to outside is included.
8. the increasing material former of shaping workpiece can be removed automatically according to described in claim 1, it is characterised in that：Collection device
(7) it is in opening trench structure, the gap with conveyer belt (53) is 0.3~3mm.
9. according to the forming method of the increasing material former that can remove shaping workpiece automatically described in claim 1, its feature exists
In comprising the following steps：
(1) printing part model is cut into slices, obtains the profile information of workpiece, wherein, slice thickness is 0.01~1mm；
(2) gas solenoid valve is opened, is discharged the air between bottom plate and panel using vavuum pump so that vacuum adsorption table passes through
The conveyer belt of gas port adsorption potential to its upper on panel, realizes the smooth fixation of the conveyer belt in portion disposed thereon；
(3) control printing equipment is lifted up the height of a slice thickness along Z axis guide rail；
(4) control printing equipment is moved with respect to X-axis guide rail and Y-axis guide rail, meanwhile, wire feeder is controlled by the printing silk on charging tray
Printing equipment is sent into, printing equipment completes fuse deposition printing, and then realizes the shaping of a cross-sectional shapes of workpiece；
(5) repeat step (3) and (4), until completing the shaping of whole workpiece；
(6) work as Workpiece shaping, close gas solenoid valve, pass through air interface air inlet, vacuum suction between bottom plate and panel
Platform discharges the conveyer belt for being adsorbed in its surface；
(7) control driving shaft rotation, to drive conveyer belt to move, and then drives the shaping workpiece motion being located on conveyer belt, when
When shaping workpiece reaches driven shaft, shear force is produced between shaping workpiece and conveyer belt, and then is separated with conveyer belt, automatically
Fall into collection device, realize the automatic removal of shaping workpiece.
10. according to the forming method of the increasing material former that can remove shaping workpiece automatically described in claim 9, its feature exists
In：
The wire feeder and charging tray being connected with printing equipment are two, and charging tray includes charging tray A and charging tray B, and wire feeder includes
Wire feeder A and wire feeder B, wire feeder A and wire feeder B enter silk mouthful by the A on Y type feed heads respectively and B enters silk
Mouthful by charging tray A and charging tray B printing silk feeding printing equipment；
The printing silk feeding printing equipment on charging tray is specifically included following steps by control wire feeder in step (4)：
Calculating currently enters silk mouthful by A or B enters silk mouthful into the length for printing silk of printing equipment；
When entering the total length for the printing silk that the length of printing silk of silk mouthful is equal on charging tray A by A, wire feeder B passes through material
Printing silk on disk B continues to printing equipment wire feed, similarly, when the length for the printing silk for entering silk mouthful by B is equal on charging tray B
When printing the total length of silk, wire feeder A is continued to printing equipment wire feed by the printing silk on charging tray A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506839.6A CN107081902A (en) | 2017-06-28 | 2017-06-28 | It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506839.6A CN107081902A (en) | 2017-06-28 | 2017-06-28 | It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically |
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| Publication Number | Publication Date |
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| CN107081902A true CN107081902A (en) | 2017-08-22 |
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ID=59606453
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710506839.6A Pending CN107081902A (en) | 2017-06-28 | 2017-06-28 | It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically |
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Application publication date: 20170822 |
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