CN207889150U - A kind of fuse sedimentation type 3D printer wire feed live-roller - Google Patents

Abstract

The utility model discloses a kind of fuse sedimentation type 3D printer wire feed live-roller, driven voller is mounted on the compression bar that can be transferred up and down, one end that compression bar is connect with pedestal belongs to flexible connection, can arbitrarily control the height of driven voller, can be applied to the collodion silk of different bores, and the connecting pin of compression bar and pedestal is installed on scroll spring, there is provided compression bar upward elastic force, when in use, according to the diameter of collodion silk, compression bar is depressed, compression bar is fastened in driving groove after mixing up suitable height.It is mounted on reed in drive roll and driven voller, make pressure roller when squeezing collodion silk with certain cushion space, hard contact between script pressure roller and collodion silk is changed into Elastic Contact, in addition the rough surface being arranged on pressure roller, improve frictional force of the pressure roller to collodion silk, even if seldom there is stripped thread phenomenon if practical for a long time in pressure roller.

Description

A kind of fuse sedimentation type 3D printer wire feed live-roller

Technical field

The utility model is related to the technology field of 3D printing more particularly to a kind of fuse sedimentation type 3D printer wire feeds Live-roller.

Background technology

The heating nozzle of rapidform machine is controlled by computer, does x-y plane movement according to horizontal slice data, silk material has Wire-feed motor is sent to nozzle, by heating, melting, from nozzle extrusion bonding to work top, is then quickly cooled down and is solidified.It is each After the completion of layer cross section, the height of workbench gravitating bed is further continued for carrying out next layer of moulding, so repeats, until completing entire The moulding of entity.Every layer of thickness is determined according to the diameter of nozzle wire squeeze.

Existing wire-feed motor relies on the pressure roller that two faces are placed, a drive roll and a driven voller to realize wire feed, Wherein drive roll provides power, and driven voller is as dependence.But it often has skidded, rub between drive roll and driven voller Power is inadequate, can not be applicable in the problems such as bore of various collodion silks.And as time increases, above problem after the aging of pressure roller It will become more serious.

The utility model solves wire-feed motor pressure roller and beats in the case that working long hours mainly according to the wire-feed motor problem Sliding phenomenon.

Utility model content

The utility model in view of the deficiencies of the prior art, provide a kind of live-roller for the state lower wire feeding hose machine that works long hours according to Good wire feed state is so kept, and the collodion silk material of various bores can be suitable for.

The utility model is realized by following technological means solves above-mentioned technical problem：

A kind of fuse sedimentation type 3D printer wire feed live-roller, including pedestal, cantilever, compression bar and guide rod；The cantilever One end vertical welding in pedestal, the guide rod vertical welding be provided in the cantilever other end, the guide rod guide groove and Circular hole, the guide groove are located at the surface of circular hole；The compression bar is installed on right over cantilever, and one end of the compression bar passes through tight Contracting part is flexibly connected with pedestal, and the other end of the compression bar passes through the guide groove；It is provided with card on the guide groove madial wall Tooth, is provided with latch on the compression bar, and latch is arranged the lap in compression bar and guide groove on the compression bar, on the compression bar Latch is engaged by clamping with latch on guide groove；Drive roll is installed on the cantilever, be installed on the compression bar from Dynamic roller, the driven voller are located at right over drive roll；

The drive roll includes roll shaft, wheel hub, two circular wheel discs, wheel face and reed, the wheel hub with driven voller Cylindrical, the axial direction of the wheel hub is provided with axis hole, and the roll shaft passes through axis hole, and two end faces of the wheel hub are respectively with two The inner ring surface integrally connected of a wheel disc, two wheel discs circularize slot with hub-shaped, spring are equipped in the annular groove Piece and wheel face, the reed are in wavy, and the reed is wrapped on wheel hub side, and the wheel face is wrapped in reed, the wheel It is in groove-like that the middle part in face, which is internally recessed, and the lateral surface of the wheel face is rough surface.

Preferably, the side of the drive roll wheel hub is welded with driving wheel, and the driving wheel and drive roll are coaxial, the master Driving chain is installed on driving wheel.

Preferably, the constriction includes cylindric shell, cylinder axis and scroll spring, and the cylinder axle position is in shell Portion, the cylinder axis and shell are coaxial, and the scroll spring is installed inside housings, inner opposite end and the cylinder axis of the scroll spring Affixed, the side of the shell is provided with entrance.

The utility model has the advantage of：Driven voller is mounted on the compression bar that can be transferred up and down, and compression bar is connect with pedestal One end belongs to flexible connection, can arbitrarily control the height of driven voller, can be applied to the collodion silk of different bores, and compression bar with The connecting pin of pedestal is installed on scroll spring, provides compression bar upward elastic force, when in use, according to the diameter of collodion silk, pressure pressure Compression bar is fastened in driving groove by bar after mixing up suitable height.It is mounted on reed in drive roll and driven voller, pressure roller is made to exist With certain cushion space when squeezing collodion silk, the hard contact between script pressure roller and collodion silk is changed into elastic connecting It touches, in addition the rough surface being arranged on pressure roller, improves frictional force of the pressure roller to collodion silk, even if pressure roller seldom goes out if practical for a long time Existing stripped thread phenomenon.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is the diagrammatic cross-section of the utility model drive roll and driven voller.

Fig. 3 is the utility model drive roll and driven voller side schematic view.

Fig. 4 is the structural schematic diagram of the utility model guide rod.

Fig. 5 is the utility model constriction structural schematic diagram.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

Up, down, left, right, before and after as described herein, it is inside and outside both with respect to Fig. 1 be standard.

As shown in Figure 1：A kind of fuse sedimentation type 3D printer wire feed live-roller, including pedestal 1, cantilever 2, compression bar 3 and lead To bar 4；2 one end vertical welding of the cantilever is in pedestal 1, and 4 vertical welding of the guide rod is in 2 other end of cantilever, the guiding Guide groove 41 and circular hole 42 are provided in bar 4, the guide groove 41 is located at the surface of circular hole 42；The compression bar 3 is installed on outstanding Right over arm 2, one end of the compression bar 3 is flexibly connected by constriction 5 with pedestal 1, and the other end of the compression bar 3 is across described Guide groove 41；It is provided with latch on 41 madial wall of the guide groove, is provided with latch on the compression bar 3, latch on the compression bar 3 Lap in compression bar 3 and guide groove 41 is set, and latch is engaged by clamping with latch on guide groove 41 on the compression bar 3；It is described It is installed with drive roll 6a on cantilever 2, driven voller 6b, the driven voller 6b are installed on the compression bar 3 and is located at active Right over roller 6a；

The circular hole 42 is used for the import of collodion silk, and one end of compression bar 3 is flexibly connected by constriction 5 with pedestal 1, compression bar 3 The other end pass through guide groove 41, distally extend always, as handle.

As shown in Figure 2：The drive roll 6a and driven voller 6b include roll shaft 61, the circular wheel discs 63 of wheel hub 62, two, Wheel face 64 and reed 65, the wheel hub 62 is cylindrical, and the axial direction of the wheel hub 62 is provided with axis hole, and the roll shaft 61 passes through axis Hole, two end faces of the wheel hub 62 inner ring surface integrally connected with two wheel discs 63 respectively, two wheel discs 63 with Wheel hub 62 forms annular groove, and reed 65 and wheel face 64 are equipped in the annular groove, and the reed 65 is in wavy, the reed 65 are wrapped on 62 side of wheel hub, and the wheel face 64 is wrapped in reed 65, as shown in Figure 3：The middle part of the wheel face 64 is internally Recess is in groove-like, and the lateral surface of the wheel face 64 is rough surface.

Wheel hub 62 can be freely rotated on roll shaft 61,65 undulate of reed, have certain elasticity, can after being compressed It restoring to the original state, wheel face 64 contradicts on reed 65, and the outer surface of wheel face 64 has roughness properties, can improve frictional force, as Effect with the direct contact surface of collodion silk, wheel disc 63 is to form annular groove, for installing reed 65 and wheel face 64, wherein wheel face 64 are recessed inwardly, and recess is in minor arc shape, and the wheel face 64 on drive roll 6a and driven voller 6b can just be mutually clamped cause up and down So that collodion silk is stablized, will not slide easily.

The side of the drive roll 6a wheel hubs 62 is welded with driving wheel 621, and the driving wheel 621 and drive roll 6a are coaxial, Driving chain 622 is installed on the driving wheel 621.The main function of driving chain 622 is to drive drive roll 6a, and drive roll drives Dynamic collodion silk enters 3D printer.

As shown in Figure 5：The constriction 5 includes shell 51, cylinder axis 52 and the scroll spring 53 of cylindrical shape, the cylinder axis 52 Inside shell 51, the cylinder axis 52 and shell 51 are coaxial, and the scroll spring 53 is mounted on inside shell 51, the scrollwork The inner opposite end of spring 53 and cylinder axis 52 are affixed, and the side of the shell 51 is provided with entrance.

The both ends of cylinder axis 52 are fixed on shell 51, and the inner end of scroll spring 53 and cylinder axis 52 are affixed, scroll spring 53 The other end contradicts on compression bar 3, this one end that compression bar 3 is connect with constriction 5 is that one end of compression bar 3 is flexibly connected with cylinder axis 52 End makes compression bar 3 generate a upward active force under the action of scroll spring 53.

It should be noted that herein, if there are first and second or the like relational terms to be used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.

Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (3)

1. a kind of fuse sedimentation type 3D printer wire feed live-roller, it is characterised in that：Including pedestal（1）, cantilever（2）, compression bar（3） And guide rod（4）；The cantilever（2）One end vertical welding is in pedestal（1）, the guide rod（4）Vertical welding is in cantilever（2）Separately One end, the guide rod（4）In be provided with guide groove（41）And circular hole（42）, the guide groove（41）Positioned at circular hole（42）Just Top；The compression bar（3）It is installed on cantilever（2）Surface, the compression bar（3）One end pass through constriction（5）With pedestal（1）It is living Dynamic connection, the compression bar（3）The other end pass through the guide groove（41）；The guide groove（41）Card is provided on madial wall Tooth, the compression bar（3）On be provided with latch, the compression bar（3）Upper latch is arranged in compression bar（3）With guide groove（41）Overlapping portion Point, the compression bar（3）Upper latch and guide groove（41）Upper latch is engaged by clamping；The cantilever（2）On be installed with drive roll （6a）, the compression bar（3）On be installed with driven voller（6b）, the driven voller（6b）Positioned at drive roll（6a）Surface；

The drive roll（6a）With driven voller（6b）It include roll shaft（61）, wheel hub（62）, two circular wheel discs（63）, wheel face （64）And reed（65）, the wheel hub（62）It is cylindrical, the wheel hub（62）Axial direction be provided with axis hole, the roll shaft（61） Across axis hole, the wheel hub（62）Two end faces respectively with two wheel discs（63）Inner ring surface integrally connected, two institutes State wheel disc（63）With wheel hub（62）Annular groove is formed, reed is installed in the annular groove（65）And wheel face（64）, the reed （65）In wavy, the reed（65）It is wrapped in wheel hub（62）On side, the wheel face（64）It is wrapped in reed（65）, described Wheel face（64）Middle part be internally recessed be in groove-like, the wheel face（64）Lateral surface be rough surface.

2. a kind of fuse sedimentation type 3D printer wire feed live-roller according to claim 1, it is characterised in that：The drive roll （6a）Wheel hub（62）Side be welded with driving wheel（621）, the driving wheel（621）With drive roll（6a）Coaxially, the active Wheel（621）On driving chain is installed（622）.

3. a kind of fuse sedimentation type 3D printer wire feed live-roller according to claim 1, it is characterised in that：The constriction （5）Including cylindric shell（51）, cylinder axis（52）And scroll spring（53）, the cylinder axis（52）Positioned at shell（51）Inside, The cylinder axis（52）With shell（51）Coaxially, the scroll spring（53）Mounted on shell（51）Inside, the scroll spring （53）Inner opposite end and cylinder axis（52）It is affixed, the shell（51）Side be provided with entrance.