CN205997357U - For the silk material box of 3D printer, feed system and 3D printer - Google Patents

Abstract

This utility model is related to a kind of silk material box for 3D printer, feed system and 3D printer.Silk material box (5) includes：Wire tray (5.2), steel wire storage shell (5.1) and silk material drive mechanism, described wire tray (5.2) is arranged in the closing space in described steel wire storage shell (5.1), for being wound around the silk material (1) of 3D printing, described silk material drive mechanism is arranged on the side of described wire tray (5.2), can drive the home position that silk material (1) in described wire tray (5.2) is installed from described wire tray (5.2) to automatic charging position.This utility model installs the wire tray of the silk material being wound around 3D printing in the closing space of steel wire storage shell, so during 3D printing, silk material surrounding can keep drying, avoid leading to because of the contact with external environment silk material to make moist degeneration, impact printout molding effect, and then meet the use requirement of technical grade 3D printer as far as possible.

Description

For the silk material box of 3D printer, feed system and 3D printer

Technical field

This utility model is related to 3D printing technique field, more particularly, to a kind of silk material box for 3D printer, supply system System and 3D printer.

Background technology

3D printer also known as becoming three-dimensional printer, be a kind of based on mathematical model file, using moulding material, pass through The mode successively printing is constructing the equipment of 3D solid.At this stage, 3D printing technique is fast-developing and has progressed into each Individual field, 3D printer can be printed using multiple material, such as acrylonitrile-butadiene-styrene copolymer ABS, poly- breast The materials such as sour PLA, PVAC polyvinylalcohol, these materials are typically existed with silk material form.

Silk material box, as the material source of 3D printer, the silk material supply of 3D printer with extrusion mechanism shared, It is to ensure that the formed precision of printout and the primary structure of Forming Quality.The silk material box of existing 3D printer completes to beat by rotating shaft The winding of printed material material, its structure is simple and crude, depends merely on the conveying to carry out silk material for the extrusion mechanism at printing head it is difficult to realize long distance From wire feed, and have influence on printing head silk material and tell material speed, therefore it can not be adapted to and have large volume of technical grade 3D and beat The silk material demand and supply of print machine.And, the silk material feeding of existing 3D printer and material returned process are loaded down with trivial details, less efficient it is easy to Error.

Additionally, silk material box is Full-open structure, during the 3D printing of traditional approach, printed material is exposed to air In, for single time-write interval longer technical grade 3D printer, the silk material box structure of this full open model can make The hygroscopic material modification such as PVA makes moist, thus seriously reduce the processability of printed material and printout formed precision and Forming Quality.

Utility model content

The purpose of this utility model is to propose a kind of silk material box for 3D printer, feed system and 3D printer, energy Enough use requirements as far as possible meeting technical grade 3D printer.

For achieving the above object, this utility model provides a kind of silk material box for 3D printer, including：Wire tray, storage Silk shell and silk material drive mechanism, described wire tray is arranged in the closing space in described steel wire storage shell, for being wound around 3D printing Silk material, described silk material drive mechanism is arranged on the side of described wire tray, can drive the silk material in described wire tray from described wire tray The home position installed is to automatic charging position.

Further, it is provided with wire tray axle in the closing space in described steel wire storage shell, for supporting described wire tray, described silk Disk can rotate with respect to described wire tray axle.

Further, described silk material drive mechanism includes：The drivewheel being generally aligned in the same plane and driven pulley, described drivewheel Can be driven by external force, be formed between described drivewheel and described driven pulley and the gap of described silk material extruding can be led to Cross the rotation of drivewheel to guide described silk material motion.

Further, described steel wire storage shell there is guidance panel, described guidance panel is provided with and can expose described active The operation window of wheel partial contour, can promote described drivewheel after passing through described operation window so that drivewheel rotates.

Further, described operation window includes：It is arranged on the recessed structure on described guidance panel, the female structure energy Enough accommodate described drivewheel and the wheel shaft of described drivewheel, be radially provided with flexible member, by described bullet in described wheel shaft Property element the pretension of described wheel shaft is acted on so that described drivewheel partial contour exposes the female structure, in described drivewheel By external force inside squeezing action when, described wheel shaft can compress described flexible member and make described drivewheel to the female Inside configuration moves.

Further, also include material guiding parts, be arranged on the side of described wire tray, raw bits can be installed in described wire tray Postpone and form the guiding channel that described silk material is directed to automatic charging position, so that described silk material drive mechanism is along described guiding Passage is driven to described silk material.

Further, described material guiding parts include passage and passage position adjusting mechanism, and described passage is used for wearing Described silk material, the exercisable connection with described passage of described passage position adjusting mechanism, described passage can be adjusted Position, so that described passage is connected with the inlet connector of wire squeeze device or separates.

Further, described passage position adjusting mechanism includes operating knob, push rod and guide groove, and described guide groove is arranged on institute State on steel wire storage shell, one end of described push rod is connected with described passage through described guide groove, the other end installs described operating knob, lead to Cross the length direction along described guide groove and promote described operating knob, can make described push rod drive described passage with described wire squeeze Move between position that the inlet connector of device is attached and separation point position.

Further, described guide groove corresponds to what the inlet connector of described passage and described wire squeeze device was attached Position is provided with operation buttonhole, by being extruded to described operating knob in described operating knob hole site or rotating, can make described Operating knob is limited in described operating knob in the hole, so that described passage maintains carrying out with the inlet connector of described wire squeeze device The position connecting.

Further, the rotation that can be rotated against with the casing installing described steel wire storage shell is also included on described steel wire storage shell Structure, so that described steel wire storage shell switches between the position loading and unloading described wire tray and operating position.

Further, described steel wire storage shell is additionally provided with handgrips, by the force effect energy to described handgrips Described steel wire storage shell phase is enough made to rotate for described casing.

Further, described handgrips is the handle aperture being formed on described steel wire storage shell.

Further, described steel wire storage shell also includes magnetic attracting structure, can be switched in described steel wire storage shell described Magnetic attracting is realized with described casing during operating position.

For achieving the above object, this utility model additionally provides a kind of feed system, including aforesaid silk material box.

Further, also include being arranged on the wire squeeze device of described silk material box side, can be to coming from described silk material box Silk material carries out lasting extruding and promotion, to realize the automatic charging of described silk material.

Further, described wire squeeze device includes：Continue wire squeeze mechanism, silk material sensing element and control element, described silk Material sensing element can detect whether described silk material reaches automatic charging position, and provides transducing signal to described control element, Described control element can control described lasting after determining described silk material arrival automatic charging position according to described transducing signal Wire squeeze mechanism carries out lasting extruding and promotion to described silk material.

Further, described silk material sensing element is proximity switch.

For achieving the above object, this utility model additionally provides a kind of 3D printer, including aforesaid silk material box or aforementioned Feed system.

Based on technique scheme, this utility model installs the silk material being wound around 3D printing in the closing space of steel wire storage shell Wire tray, so during 3D printing, silk material surrounding can keep drying, it is to avoid leads to because of the contact with external environment Silk material is made moist degeneration, affects printout molding effect, and then meets the use requirement of technical grade 3D printer as far as possible.

Brief description

Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper Limit.In the accompanying drawings：

Fig. 1 is the overall assembling schematic diagram of an embodiment of this utility model feed system.

Fig. 2 is the explosive decomposition schematic diagram of an embodiment of this utility model feed system.

Fig. 3 is the explosive decomposition schematic diagram of the wire squeeze device in this utility model feed system embodiment.

Fig. 4 is the explosive decomposition schematic diagram of an embodiment of this utility model silk material box.

Fig. 5 is the overall assembling schematic diagram of an embodiment of this utility model silk material box.

Fig. 6 is the front view of this utility model silk material box embodiment.

Fig. 7 is the structural representation of the steel wire storage shell in this utility model silk material box embodiment and guidance panel.

Fig. 8 is the enlarged diagram of the position I in Fig. 7.

Fig. 9 is the sectional view in A-A direction in Fig. 6.

Figure 10 is the control principle schematic diagram of an embodiment of this utility model 3D printer.

Specific embodiment

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

In foregoing Background Section it has been noted that existing silk material box is Full-open structure, silk material can be caused to make moist change The problem of property.Therefore in order to overcome this problem, this utility model devises a kind of new silk material that can be used for 3D printer Box.Wherein, silk material box mainly includes：Wire tray steel wire storage shell and silk material drive mechanism, wire tray is arranged on the closing in described steel wire storage shell In space, for being wound around the silk material of 3D printing, described silk material drive mechanism is arranged on the side of described wire tray, can drive institute State the home position that silk material in wire tray installs from described wire tray to automatic charging position.Because wire tray is arranged on the envelope of steel wire storage shell Close in space, its wire vent is on the silk material in wire tray is delivered to and continued behind automatic charging position again by silk material drive mechanism Material, therefore silk material will not be contacted with extraneous wet environment in this process, thus without the problem of degeneration of making moist, And then improve the end product quality of 3D printing product.

Below with reference to Fig. 1-Figure 10, silk material box of the present utility model, feed system and 3D printer are carried out detailed Explanation.

As shown in figure 1, the overall assembling schematic diagram of the embodiment for this utility model feed system.In FIG, supply System includes casing 3, wire squeeze device 2 and silk material box 5, and wherein casing 3 has larger inner space, for accommodating silk material box 5, Casing 3 can also aid in the internal medium that more closing realized by silk material box 5.Wire squeeze device 2 is used for the silk coming from silk material box 5 Material 1 carries out lasting extruding and promotion, to realize the automatic charging of silk material 1.The defeated of silk material 1 can be increased by wire squeeze device 2 Send power, so that the conveying of silk material is more unimpeded, meet the demand of the long-distance wire of technical grade 3D printer, improve printout Forming Quality and shaping efficiency.

Silk material box 5 is used for accommodating the silk material 1 winding, and the silk material output source as 3D molding, and silk material box 5 can be installed in In casing 3, and the silk material in silk material box 5 is put into for convenience, and Fig. 2 shows that silk material box 5 outwards overturns with respect to casing 3 and beats The structure opened, the wherein rotational structure between silk material box 5 and casing 3 can be the silk material box rotating shaft 4 shown in Fig. 2.By this Rotational structure, can make silk material box 5 switch between the position and operating position of handling wire tray 5.2.In other embodiments, silk Can also be other relative motion relation, such as drawing structure between material box 5 and casing 3, enable silk material box 5 with respect to machine Shell 3 pull out, and after installing wire tray 5.2, back in casing 3.

Magnetic attracting structure can also be set between silk material box 5 and casing 3, institute can be switched in described silk material box 5 State and realize magnetic attracting with described casing 3 during operating position.Specifically, can be on silk material box 5 (specifically can be in steel wire storage shell 5.1) First magnetic 5.9 is set, and the position corresponding to the first magnetic 5.9 in casing 3 is provided with the second magnetic 3.4.At other In embodiment, it would however also be possible to employ snap connection, fixation that bolt connecting mode etc. is realized between silk material box 5 and casing 3.

Casing shown in Fig. 1 and Fig. 2 is provided with two groups of silk material boxes 5 and wire squeeze device 2, can only adopt in other embodiments With one group of silk material box 5 and wire squeeze device 2, or greater number of silk material box 5 and wire squeeze device 2, particular number can be according to reality Need to reduce or set up.One silk material box 5 can carry out silk material driving by more than one wire squeeze device 2, for example, go out in wire squeeze device 2 Carry out rotation during existing fault.And a wire squeeze device 2 may correspond to multiple silk material boxes 5, to supply silk in a silk material box 5 After finishing, it is sustainable wire vent that another silk material box 5 is connected on this wire squeeze device 2.

The through hole of multiple installations, guiding or silk rolling can be arranged on casing 3, in Fig. 2, through hole 3.1 is used for drawing for offer The passage that the material guiding parts that seal wire material runs pass through, through hole 3.2 is used for Plane Installation wire squeeze device 2, through hole above casing 3 3.3 are used for for the footing of casing 3 being arranged on ground or stable mounting plane.

In feed system of the present utility model and 3D printer, wire squeeze device 2 can be to the silk material coming from silk material box 5 1 carries out lasting extruding and promotion, to realize the automatic charging of described silk material 1.Fig. 3 shows that of wire squeeze device 2 is concrete Realize configuration example, it is not limited to this example.Specifically, wire squeeze device 2 may particularly include：Continue wire squeeze mechanism, silk material passes Sensing unit and control element, described silk material sensing element can detect whether described silk material 1 reaches automatic charging position, and to institute Stating control element provides transducing signal, and described control element can determine described silk material 1 arrival certainly according to described transducing signal The described wire squeeze mechanism that continues is controlled to carry out lasting extruding and promotion to described silk material 1 after dynamic upper discharge position.

Wherein continue wire squeeze mechanism to include wire squeeze drivewheel 2.2, drive the drive mechanism (example of wire squeeze drivewheel 2.2 As servomotor 2.4 etc.) and wire squeeze driven pulley 2.3, silk material 1 is through between wire squeeze drivewheel 2.2 and wire squeeze driven pulley 2.3 Gap, makes wire squeeze drivewheel 2.2 rotate by the driving of drive mechanism, using the friction between wire squeeze drivewheel 2.2 and silk material 1 By silk material 1 to the direction conveying away from silk material box 5 side, wire squeeze driven pulley 2.3 can assist in wire squeeze drivewheel 2.2 to silk material to power 1 applying extruding force, to produce the frictional force that can make silk material 1 motion.

Silk material sensing element is used for detecting the situation that puts in place of silk material 1, and the silk material sensing element shown in Fig. 3 is proximity switch 2.8, to produce corresponding level signal by way of whether detection silk material 1 is close.In other embodiments, silk material sensing element Part can also adopt other feasible sensing elements such as photoelectric correlated cell.Control element can be various existing controllers, example As singlechip control chip etc., it can control the operation of the drive mechanism of wire squeeze drivewheel 2.2 and stopping.

In order to install the above-mentioned concrete part continuing wire squeeze mechanism and silk material sensing element, can also enter in wire squeeze device One step arranges the first shell 2.1, second housing 2.6 and support 2.5, and the first shell 2.1 and second housing 2.6 may be mounted at and prop up On frame 2.5, formed within installing space, this support 2.5 is formed as I-shaped structure, passes through in the side of support 2.5 Driven pulley installation axle 2.10 installs wire squeeze driven pulley 2.3 between the first shell 2.1 and support 2.5, in wire squeeze driven pulley 2.3 Homonymy be additionally provided with wire squeeze drivewheel 2.2, its drive mechanism (such as servomotor 2.4 by being arranged on support 2.5 opposite side Deng) output shaft be supported.

Proximity switch 2.8 and the silk material guide structure 2.7 for guiding silk material 1 to run are also mounted at and wire squeeze drivewheel 2.2 and wire squeeze driven pulley 2.3 homonymy support 2.5 on.Multiple installations also can be arranged on support 2.5, pass through or guiding work Through hole, the such as position base in support 2.5 are provided with the installing hole 2.14 being fixed on support 2.5 in casing 3, in support The gripper shoe of 2.5 setting is provided with the through hole 2.12 for supporting driven shaft installation axle 2.10, in the lower planes of support 2.5 On the through hole passing through for silk material and 2.13 can be set, the through hole 2.13 of lower section can be installed inlet connector 2.9, up Discharging joint 2.11 can be installed in through hole.

Silk material guide structure 2.7 may be provided at wire squeeze drivewheel 2.2 and the lower section of wire squeeze driven pulley 2.3, and it can form For L-type structure, wherein downside can be provided with the hole of insertion, and so that silk material 1 is passed through, the silk material 1 passed through can be in silk material guide structure It is smoothly inserted under the guiding of the side plane of 2.7 upper positions between wire squeeze drivewheel 2.2 and wire squeeze driven pulley 2.3.Close Switch 2.8 equally may be provided in the offside of the side plane of silk material guide structure 2.7 upper position, to be inserted into wire squeeze in silk material 1 Can be arrived by effective detection when between drivewheel 2.2 and wire squeeze driven pulley 2.3.

With reference to one kind that Fig. 4 to Fig. 9 describes silk material box 5 of the present utility model in detail implement structure and The function of each part and operational relation.

In the present embodiment, silk material box 5 includes：Wire tray 5.2, steel wire storage shell 5.1 and silk material drive mechanism, described wire tray 5.2 It is arranged in the closing space in described steel wire storage shell 5.1, for being wound around the silk material 1 of 3D printing, described silk material drive mechanism sets Put the side in described wire tray 5.2, can drive the home position that silk material 1 in wire tray 5.2 installs from described wire tray 5.2 to from Dynamic upper discharge position.

Wire tray axle 5.4 can be set in the closing space in steel wire storage shell 5.1, and for supporting wire tray 5.2, wire tray 5.2 can Rotate with respect to described wire tray axle 5.4.It can be seen from figure 4 that the recessed structure of hollow can be formed with steel wire storage shell 5.1 5.3, can also separately set the structure being buckled in outside steel wire storage shell outside wire tray 5.2 forming the closing space in steel wire storage shell 5.1, or Steel wire storage shell 5.1 is coordinated to form its internal closing space using the inside of casing 3.Can make to twine by the rotation of wire tray 5.2 The silk material 1 being wound in wire tray 5.2 is constantly outwards sent, thus realizing lasting silk material conveying.

Silk material drive mechanism can have various way of realization, clearly show one kind in the sectional view of Fig. 9 Based on principal and subordinate wheel cooperation type of drive example, that is, silk material drive mechanism include：The drivewheel 5.5 that is generally aligned in the same plane and from Driving wheel 5.6, described drivewheel 5.5 can be driven by external force, and being formed between drivewheel 5.5 and described driven pulley 5.6 can Gap to the extruding of described silk material 1, guides described silk material 1 to move by the rotation of drivewheel 5.5.That is, by master Driving wheel 5.5 and the common effect compressing and rubbing against power to silk material 1 of driven pulley 5.6, make silk material 1 using the rotation of drivewheel 5.5 Yearn for conveying from wire tray 5.2.

Drivewheel 5.5 can be driven by manpower or the drive mechanism such as motor is driven.Driven pulley 5.6 can be installed Driven pulley installing hole 5.1.1 on steel wire storage shell 5.1 in the diagram.Can there is guidance panel 5.7, so that operator on steel wire storage shell 5.1 Member is operated on this guidance panel 5.7.In order to allow the operator to directly drivewheel 5.5 is driven, Ke Yi On guidance panel 5.7, setting can expose operation window 5.7.4 of drivewheel 5.5 partial contour, and operator can pass through operation After window 5.7.4, inwardly promote drivewheel 5.5 to press to silk material 1, stir drivewheel 5.5 after having compressed silk material 1 further to make Rotation, and then drive silk material 1 move out.

In Fig. 4-Fig. 8, operation window 5.7.4 can specifically include：It is arranged on the recessed knot on described guidance panel 5.7 Structure, recessed structure can accommodate drivewheel 5.5 and the wheel shaft of described drivewheel 5.5, is radially provided with flexible member in wheel shaft 5.7.6, by flexible member 5.7.6, the pretension of wheel shaft is acted on so that described drivewheel 5.5 partial contour exposes the female Structure, and make drivewheel 5.5 when not operating away from driven pulley 5.6 using the effect of flexible member 5.7.6, thus avoiding Silk material 1 by when because the gap between principal and subordinate wheel is too small and be difficult to pass through.It is subject to the inside extruding of external force in drivewheel 5.5 During effect, wheel shaft can compress described flexible member 5.7.6 and so that described drivewheel 5.5 is moved to the female inside configuration.

In order that drivewheel 5.5 maintains the position of recessed structure, can also increase in recessed structure baffle plate 5.7.5 and Screw 5.7.7, is blocked the wheel shaft of drivewheel 5.5, and exposes the wheel body part of drivewheel 5.5 by baffle plate 5.7.5.In order to pacify If the wheel shaft of drivewheel 5.5, the groove 5.7.4.4 corresponding to wheel shaft position can be set in recessed structure, in this groove Mounting groove 5.7.4.2 for elastic elements 5.7.6 can be set in bottom surface 5.7.4.4, in the inner side of recessed structure also It is provided with the installing hole 5.7.4.1 of the wheel shaft for installing driven pulley 5.6, be additionally provided with bolt hole 5.7.4.3 in recessed structure, be used for Mounting screw 5.7.7.

Lasting wire vent process can be carried out by wire squeeze device 2 in view of silk material 1 after steel wire storage shell 5 taking-up, therefore in silk Material box can further include material guiding parts, is disposed at the side of wire tray 5.2, can be installed to raw bits in wire tray 5.2 Postpone and form the guiding channel that silk material 1 is directed to automatic charging position, so that described silk material drive mechanism is logical along described guiding Road is driven to described silk material 1.

Material guiding parts with reference to shown in Fig. 4-Fig. 9, this material guiding parts can include passage 5.8.3 and passage position adjustment machine Structure, described passage 5.8.3 is used for wearing described silk material 1, and described passage position adjusting mechanism and described passage 5.8.3 can The connection of operation, can adjust the position of described passage 5.8.3, so that the charging of described passage 5.8.3 and wire squeeze device 2 Joint 2.9 connects or separates.Move up and down in the material guide hole 5.1.3 that passage 5.8.3 can be arranged on steel wire storage shell 5.1.

Wherein, passage position adjusting mechanism can specifically include operating knob 5.8.1, push rod 5.8.2 and guide groove 5.7.3, Described guide groove 5.7.3 is arranged on described steel wire storage shell 5.1, one end of described push rod 5.8.2 pass through described guide groove 5.7.3 with described Passage 5.8.3 connects, and the other end installs described operating knob 5.8.1, promotes institute by the length direction along described guide groove 5.7.3 State operating knob 5.8.1, described push rod 5.8.2 can be made to drive described passage 5.8.3 in the inlet connector with wire squeeze device 2 Move between 2.9 positions being attached and separation point position.Operating knob 5.8.1, push rod 5.8.2 and guide groove 5.7.3 can be arranged On guidance panel 5.7, so that operator carry out the driving of silk material and the position adjustment of passage in guidance panel side.

The silk material 1 being previously noted in wire tray 5.2 can be drawn by silk material drive mechanism and be conveyed to wire squeeze device 2, and leads Expects pipe 5.8.3 can be closed with the match profiles of silk material 1, and passage 5.8.3 can be permissible when not needing to convey silk material 1 Fall back on below guide groove 5.7.3, and when needing conveying, it is possible to use operating knob 5.8.1 and push rod 5.8.2 is by passage 5.8.3 It is pushed up to be attached on the inlet connector 2.9 of wire squeeze device 2.

In view of needing during conveying to maintain the position of passage 5.8.3, correspond to described therefore preferably on guide groove 5.7.3 The position that the inlet connector 2.9 of passage 5.8.3 and described wire squeeze device 2 is attached is provided with operation buttonhole 5.7.8, by Operation buttonhole 5.7.8 position is extruded to described operating knob 5.8.1 or is rotated, and described operating knob 5.8.1 can be made limited In described operation buttonhole 5.7.8, so that described passage 5.8.3 maintains entering with the inlet connector 2.9 of described wire squeeze device 2 The position that row connects.

It is previously noted silk material box 5 to rotate with respect to casing 3, the operation of operator for convenience, in steel wire storage shell 5.1 On handgrips can be set, by making described steel wire storage shell 5.1 with respect to described casing 3 to the effect of the force of handgrips Rotation.Bulge-structure that handgrips can be arranged on steel wire storage shell 5.1 or carrying of being formed on steel wire storage shell 5.1 Hand hole 5.7.2.Shaft hole 5.1.2 can be set in the lower Angle Position of steel wire storage shell 5.1, to wear silk material box rotating shaft 4.

This utility model silk material box embodiment of described above or feed system embodiment are applicable to various 3D printings Machine, therefore this utility model still further provides a kind of 3D printer, including aforesaid silk material box 5 or aforesaid supply system System.Figure 10 shows a kind of principle schematic of an embodiment of 3D printer.In conjunction with Fig. 1-Fig. 9, further below to silk The discharging of one example of material box 5 and material returned process illustrate.

Silk material feeding：Steel wire storage shell 5.1 is pulled out from casing 3 by handle aperture 5.7.2, wire tray 5.2 is passed through wire tray axle 5.4 It is positioned in the recessed structure of hollow 5.3 of steel wire storage shell 5.1, silk material 1 is penetrated passage 5.8.3.Then along silk material box rotating shaft 4 Will be rotating closed for steel wire storage shell 5.1, make the first magnetic 5.9 and the second magnetic 3.4 adhesive, complete wire tray placement process.

Upwardly operating knob 5.8.1 makes passage 5.8.3 coordinate with inlet connector 2.9, and push button 5.8.1 makes it Enter operation buttonhole 5.7.8, then pressing rotary driving wheel 5.5, make drivewheel 5.5 and the mobile silk material of driven pulley 5.6 extruding 1, make silk material 1 enter silk material guide structure 2.7.

Silk material 1, under drivewheel 5.5 and driven pulley 5.6 engagement extruding, constantly feeds, until proximity switch 2.8 detects Silk material 1 is passed through, and proximity switch 2.8 transmission level signal, to single-chip microcomputer 6, single-chip microcomputer 6 output drive signal, drives servomotor 2.8 rotations, to drive wire squeeze drivewheel 2.2 persistently to rotate, and then enable wire squeeze device 2 by the silk material in silk material box 5 Take out and be transported to the position of needs silk.In this process, operator can manually carry out the upper of silk material Material, and carry out the lasting conveying of silk material using single-chip microcomputer, servomotor etc., thus the wire feed process realizing semi-automation, if Silk material feeding completes also by equipment such as controller, motors, then can realize the wire feed process of full-automation.

The silk material material returned：Pushing down on operating knob 5.8.1 makes passage 5.8.3 separate with inlet connector 2.9, then uses shears The silk material 1 of passage 5.8.1 and inlet connector 2.9 separate section is cut off；Again steel wire storage shell 5.1 is opened by handle aperture 5.7.2, Wire tray 5.2 is taken out from steel wire storage shell 5.1, will be rotating closed for steel wire storage shell 5.1 then along silk material box rotating shaft 4, make the first magnetic Body 5.9 and the second magnetic 3.4 adhesive, are placed in dry environment after wire tray 5.2 is wrapped up；Then pass through watching in wire squeeze device 2 Take motor reversal, to guide remaining silk material 1 to automatically exit from from handle aperture, complete silk material box material returned process.

Finally it should be noted that:Above example is only in order to illustrate the technical solution of the utility model rather than it is limited System；Although being described in detail to this utility model with reference to preferred embodiment, those of ordinary skill in the art should Understand：Still specific embodiment of the present utility model can be modified or some technical characteristics are carried out with equivalent replacing Change；Without deviating from the spirit of technical solutions of the utility model, it all should cover the technical scheme being claimed in this utility model In the middle of scope.

Claims (18)

1. a kind of silk material box (5) for 3D printer is it is characterised in that include：Wire tray (5.2), steel wire storage shell (5.1) and silk material Drive mechanism, described wire tray (5.2) is arranged in the closing space in described steel wire storage shell (5.1), for being wound around 3D printing Silk material (1), described silk material drive mechanism is arranged on the side of described wire tray (5.2), can drive the silk in described wire tray (5.2) The home position that material (1) is installed from described wire tray (5.2) is to automatic charging position.

2. silk material box (5) according to claim 1 is it is characterised in that in the closing space in described steel wire storage shell (5.1) It is provided with wire tray axle (5.4), for supporting described wire tray (5.2), described wire tray (5.2) can be with respect to described wire tray axle (5.4) Rotate.

3. silk material box (5) according to claim 1 is it is characterised in that described silk material drive mechanism includes：Positioned at same flat The drivewheel (5.5) in face and driven pulley (5.6), described drivewheel (5.5) can be driven by external force, described drivewheel (5.5) gap that described silk material (1) can be extruded, turning by drivewheel (5.5) are formed and described driven pulley (5.6) between Move to guide described silk material (1) to move.

4. silk material box (5) according to claim 3 is it is characterised in that have guidance panel on described steel wire storage shell (5.1) (5.7), the operation window that can expose described drivewheel (5.5) partial contour is provided with described guidance panel (5.7) (5.7.4), described drivewheel (5.5) can be promoted afterwards through described operation window (5.7.4) so that drivewheel (5.5) rotates.

5. silk material box (5) according to claim 4 is it is characterised in that described operation window (5.7.4) includes：It is arranged on institute State the recessed structure on guidance panel (5.7), the female structure can accommodate described drivewheel (5.5) and described drivewheel (5.5) wheel shaft, is radially provided with flexible member (5.7.6), by described flexible member (5.7.6) to institute in described wheel shaft The pretension stating wheel shaft acts on so that described drivewheel (5.5) partial contour exposes the female structure, in described drivewheel (5.5) By external force inside squeezing action when, described wheel shaft can compress described flexible member (5.7.6) and make described drivewheel (5.5) move to the female inside configuration.

6. silk material box (5) according to claim 1, it is characterised in that also including material guiding parts, is arranged on described wire tray (5.2) side, can form after described wire tray (5.2) are installed to home position and described silk material (1) is directed on automatically The guiding channel of discharge position, so that described silk material drive mechanism is driven along described guiding channel to described silk material (1).

7. silk material box (5) according to claim 6 is it is characterised in that described material guiding parts include passage (5.8.3) and lead Expects pipe position adjusting mechanism, described passage (5.8.3) is used for wearing described silk material (1), described passage position adjusting mechanism Exercisable connection, can adjust the position of described passage (5.8.3) with described passage (5.8.3), so that described guide Pipe (5.8.3) is connected with the inlet connector (2.9) of wire squeeze device (2) or separates.

8. silk material box (5) according to claim 7 is it is characterised in that described passage position adjusting mechanism includes operating Button (5.8.1), push rod (5.8.2) and guide groove (5.7.3), described guide groove (5.7.3) is arranged on described steel wire storage shell (5.1), institute The one end stating push rod (5.8.2) is connected through described guide groove (5.7.3) with described passage (5.8.3), and the other end is installed described Operating knob (5.8.1), promotes described operating knob (5.8.1) by the length direction along described guide groove (5.7.3), can make described Push rod (5.8.2) drives described passage (5.8.3) to be attached in the inlet connector (2.9) with described wire squeeze device (2) Move between position and separation point position.

9. silk material box (5) according to claim 8 is it is characterised in that corresponding to described guide on described guide groove (5.7.3) The position that the inlet connector (2.9) of pipe (5.8.3) and described wire squeeze device (2) is attached is provided with operation buttonhole (5.7.8), leads to Cross and in described operation buttonhole (5.7.8) position, described operating knob (5.8.1) is extruded or rotate, described operating knob can be made (5.8.1) it is limited in described operation buttonhole (5.7.8), so that described passage (5.8.3) maintains and described wire squeeze dress Put the position that the inlet connector (2.9) of (2) is attached.

10. silk material box (5) according to claim 1 is it is characterised in that also include on described steel wire storage shell (5.1) can The rotational structure rotating against with the casing (3) installing described steel wire storage shell (5.1), so that described steel wire storage shell (5.1) is in handling institute State switching between the position of wire tray (5.2) and operating position.

11. silk material boxes (5) according to claim 10 are it is characterised in that be additionally provided with handle on described steel wire storage shell (5.1) Structure, by making described steel wire storage shell (5.1) rotate with respect to described casing (3) effect of the force of described handgrips.

12. silk material boxes (5) according to claim 11 are it is characterised in that described handgrips is to be formed at described steel wire storage Handle aperture (5.7.2) on shell (5.1).

13. silk material boxes (5) according to claim 10 are it is characterised in that also include magnetic on described steel wire storage shell (5.1) Adhesive structure, can realize magnetic attracting when described steel wire storage shell (5.1) is switched to described operating position with described casing (3).

A kind of 14. feed systems are it is characterised in that include the arbitrary described silk material box (5) of claim 1～13.

15. feed systems according to claim 14 are it is characterised in that also include being arranged on described silk material box (5) side Wire squeeze device (2), lasting extruding and promotion can be carried out to the silk material (1) coming from described silk material box (5), described to realize The automatic charging of silk material (1).

16. feed systems according to claim 15 are it is characterised in that described wire squeeze device (2) includes：Continue extruding strings device Structure, silk material sensing element and control element, described silk material sensing element can detect whether described silk material (1) reaches automatic charging Position, and provide transducing signal to described control element, described control element can be according to described transducing signal be in determination Silk material (1) controls the described wire squeeze mechanism that continues to carry out lasting extruding to described silk material (1) and push away after reaching automatic charging position Dynamic.

17. feed systems according to claim 16 are it is characterised in that described silk material sensing element is proximity switch (2.8).

A kind of 18. 3D printers are it is characterised in that include the arbitrary described silk material box (5) of claim 1～13 or claim 14～17 arbitrary described feed systems.