CN207276800U - A kind of moving knife rotating shaft mechanism and the fiber cutting apparatus using the moving knife rotating shaft mechanism - Google Patents

Abstract

The utility model provides a kind of moving knife rotating shaft mechanism and the fiber cutting apparatus using the moving knife rotating shaft mechanism, belong to machinery field, including moving knife shaft (51), the belt pulley (52) being fixed among the moving knife shaft (51), the first moving knife cutterhead (53) and the second moving knife cutterhead (54) for being arranged on moving knife shaft (51) both ends, the impurity roll (58) for being used for clearing up fiber impurity is equipped with above the first moving knife cutterhead (53).The beneficial effects of the utility model are：The fiber impurity on moving knife cutterhead is removed down using impurity roll, when the moving knife on moving knife cutterhead is turned to stationary knife position, surface has not had attachment fiber impurity, improves the efficiency of moving knife fibre cutting, reduces influence of the fiber impurity to fibre cutting.

Description

A kind of moving knife rotating shaft mechanism and the fiber cutting apparatus using the moving knife rotating shaft mechanism

Technical field

It the utility model is related to machinery field, more particularly to a kind of moving knife rotating shaft mechanism and using the moving knife rotating shaft mechanism Fiber cutting apparatus.

Background technology

Staple fiber, also known as staple, cut off operation is last procedure in staple fiber production process, it be by The staple fiber that endless tow is cut into through cutting machine.

At present, the fibre cutter of in the market mainly has hand off device and mechanical cutting device.Hand off device is Y171- 10 fibre cutters, can only carry out 10mm length cut-outs to the bundle fiber and single fiber arranged；Mechanical cutting device is used to grow Fibre bundle and monofilament cut-out, most short shearing length is 5mm.Fiber cutting apparatus generally existing Cutting process is complicated, low precision and The features such as of high cost.

Patent of invention if notification number is CN104195677B discloses a kind of fibre cutting machine, including line wheel mechanism, cuts Cutting mill structure and the strainer between line wheel mechanism and cutting mechanism, line wheel mechanism include line wheel fixed frame and at least one The line wheel part being fixed on line wheel fixed frame, line wheel part include line wheel, are arranged on the outside of line wheel and are made of endless tow to be cut Tow set, cutting mechanism include rack, cutterhead, for drive cutterhead rotate the first power set, endless tow can be pressed on Pinch roller on cutterhead and the tensile force adjusting device for adjusting endless tow tensile force, power set, pinch roller and tensile force are adjusted Device is both secured in rack, and tensile force adjusting device is located at cutterhead close to the side of line wheel mechanism, and it is remote that pinch roller is located at cutterhead The side of line wheel mechanism, the output shaft of power set are connected with cutterhead；Strainer includes tensioning wheel fixed frame, and tensioning wheel is fixed At least one tensioning wheel for being tensioned endless tow is provided with frame.The fiber cutting apparatus is used for the more low-fiber cut-out effect of intensity Fruit is obvious, but is not used to the fiber that intensity is larger and required precision is higher.

For another example the utility model patent that notification number is CN204339831U discloses a kind of fiber cutting mechanism, including branch Frame, the first fibre cutting cutter, rolling element, the second fibre cutting cutter and driving device, the rolling element include shaft, the first turntable With the second turntable, the first turntable and the second turntable are fixedly mounted in shaft, and the first turntable is located at the top of the second turntable, and second Offer discharge port on turntable, the upper and lower ends of the second fibre cutting cutter are respectively fixedly connected with the first turntable and the second turntable On periphery, the second fibre cutting cutter is evenly distributed with around shaft, and the side of the first fibre cutting cutter offers some mounting holes, described First fibre cutting cutter is fixedly mounted on stent by mounting hole, and the first fibre cutting cutter is obliquely installed, the first fibre cutting The cutting edge of knife and the cutting edge of the second fibre cutting cutter have 1 ° to 10 ° of angle, which has only carried out simple introduction to cutter, The overall structure of cutting machine is not specifically described.

Utility model content

For overcome in the prior art fiber cutting apparatus Cutting process is complicated, low precision and it is of high cost the problems such as, this practicality It is new to provide a kind of moving knife rotating shaft mechanism, including moving knife shaft, be fixed among the moving knife shaft belt pulley, be arranged on The first moving knife cutterhead and the second moving knife cutterhead at the moving knife shaft both ends, the first moving knife cutterhead top, which is equipped with, to be used to clear up The impurity roll of fiber impurity.

The fiber impurity on moving knife cutterhead is removed down using impurity roll, the moving knife on moving knife cutterhead is turned to stationary knife position When, surface has not had attachment fiber impurity, improves the efficiency of moving knife fibre cutting, reduces shadow of the fiber impurity to fibre cutting Ring.

Further, the impurity roll is fixed in rack, its axis is parallel with the axis of the first moving knife cutterhead.

Further, the moving knife shaft both ends are located at the first moving knife cutterhead, the second moving knife cutterhead outside is set There is bearing block, the moving knife rotating shaft mechanism is fixedly mounted in rack by bearing block.

Further, it is equipped with locking screw between the first moving knife cutterhead, the second moving knife cutterhead and the moving knife shaft It is female.

Further, the first moving knife cutterhead surface is installed with moving knife, and the moving knife is evenly distributed on described first Moving knife cutterhead surface.

Further, the moving knife includes movable knife holder and moving knife alloy blade, and the moving knife alloy blade is triangular prism knot Structure, the movable knife holder are cuboid, and linear velocity direction is vertical while being equipped with a blade when rotated with the first moving knife cutterhead for it Groove, two base angle of moving knife alloy blade are installed in the insert groove.

Moving knife alloy blade uses triangle rod structure, using its sharp edge of a knife can entirely cut staple, complete fine Cutting process is tieed up, and the moving knife alloy knife of triangle rod structure is also beneficial to the cleaning of impurity, prevents fiber from being stopped in knife-edge part.

Further, the removal of impurities roller surface is equipped with the hairbrush for being used for clearing up the moving knife alloy blade edge of a knife.

Further, the brush length is less than the distance of adjacent two moving knife.

Further, the brush length is the half of the distance of adjacent two moving knife.

By controlling the length of hairbrush, prevent that hairbrush is too short and impurity-eliminating effect is poor, be also prevented from causing hair because hairbrush is long Brush contacts two moving knife alloy blades at the same time, causes hairbrush to break hair, influences service life.

The utility model also provides a kind of fiber cutting apparatus, using above-mentioned moving knife rotating shaft mechanism.

After above scheme, the utility model patent has the advantages that：

(1) fiber impurity on moving knife cutterhead is removed down using impurity roll, the moving knife on moving knife cutterhead is turned to stationary knife During position, surface has not had attachment fiber impurity, improves the efficiency of moving knife fibre cutting, reduces fiber impurity to fibre cutting Influence；

(2) moving knife alloy blade uses triangle rod structure, using its sharp edge of a knife can entirely cut staple, complete Fibre cutting technique, and the moving knife alloy knife of triangle rod structure is also beneficial to the cleaning of impurity, prevents fiber from stopping in knife-edge part Stay；

(3) by controlling the length of hairbrush, prevent that hairbrush is too short and impurity-eliminating effect is poor, be also prevented from causing because hairbrush is long Hairbrush contacts two moving knife alloy blades at the same time, causes hairbrush to break hair, influences service life.

Brief description of the drawings

Fig. 1 is the utility model preferably fiber cutting apparatus three-dimensional structure diagram；

Fig. 2 is the utility model preferably rack three-dimensional structure diagram；

Fig. 3 is the utility model preferably Song Sheng mechanisms three-dimensional structure diagram；

Fig. 4 is the utility model preferably guide adjusting part three-dimensional structure diagram；

Fig. 5 is the utility model preferably guide connecting cylinder sectional view；

Fig. 6 is the utility model preferably stationary knife component stereogram；

Fig. 7 is the utility model preferably stationary knife seat sectional view；

Fig. 8 is the utility model preferably moving knife rotating shaft mechanism stereogram；

Fig. 9 is the utility model preferably moving knife stereogram.

Wherein：1st, rack；11st, cuboid framework；12nd, roller is slided；

13rd, rope speed regulating motor installing plate is sent；14th, moving knife shaft operated motor installing plate；15th, Song Sheng mechanisms mounting base；

16th, stationary knife component mounting base；17th, moving knife shaft mounting base；111st, vertical column；112nd, transverse support bar；

113rd, vertical supporting bar；114th, gather materials room；115th, inclined ramp；116th, gather materials chamber cap mounting base；

2nd, rope speed regulating motor is sent；3rd, Song Sheng mechanisms；31st, driving shaft；32nd, driven shaft；33rd, Song Sheng mechanisms rack；

34th, rope mechanism pressure adjusting part is sent；35th, guide adjusting part；311st, first rope pinch roller is sent；

312nd, belt sheave；313rd, driving gear；321st, second rope pinch roller is sent；322nd, groove；

323rd, driven gear；342nd, supporting rod；342nd, adjustable spring 342；351st, vertical shift sliding block；

352nd, slide bar is moved horizontally；353rd, conductor rope connecting cylinder；354th, the first movement sliding block；

355th, the second movement sliding block；356th, tension force detection components；357th, heating component；358th, smooth heat conducting film；

4th, moving knife shaft operated motor；5th, moving knife rotating shaft mechanism；51st, moving knife shaft；52nd, belt pulley；

53rd, the first moving knife cutterhead；54th, the second moving knife cutterhead；55th, bearing block；56th, locking nut；57th, moving knife；

571st, movable knife holder；572nd, moving knife alloy blade；58th, impurity roll；581st, hairbrush；6th, stationary knife component；

61st, stationary knife seat；611st, square orifice；612nd, track type elongated slot；62nd, stationary knife；621st, stationary knife knife rest；

622nd, stationary knife alloy cutter head；623rd, main paragraph；624th, cutter head control section；625th, bolster；

63rd, stationary knife conductor rope pipe；7th, vibrating device.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

In order to which those skilled in the art better understood when technical solution provided by the utility model, with reference to Specific embodiment is illustrated.

As shown in Figure 1, fiber cutting apparatus includes rack 1, send rope speed regulating motor 2, Song Sheng mechanisms 3, the operating of moving knife shaft Motor 4, moving knife rotating shaft mechanism 5, stationary knife component 6 and vibrating device 7, generally two layers of the rack 1, motor and fiber are collected etc. Relevant apparatus is arranged on lower floor, and send rope, fibre cutting, shaft etc. to be arranged at up and down, reaches and saves space, the mesh of rational deployment 's.

Described send is installed on the lower section of rack 1 described in rope adjustment motor 2 and moving knife shaft operated motor 4, described to send rope Mechanism 3 is installed on the 1 top lateral location of rack, and the moving knife rotating shaft mechanism 5, stationary knife component 6 are installed in the rack 1 Upper surface, the vibrating device 7 are arranged on the lower section of rack 1, and the fiber for making cut-out is slided along track designation.

As shown in Fig. 2, rack 1 includes cuboid framework 11, the lower section of cuboid framework 11 is provided with four and slides rolling Wheel 12, the lower section of cuboid framework 11, which is equipped with, send rope speed regulating motor installing plate 13 and moving knife shaft operated motor installing plate 14, The top of cuboid framework 11 is equipped with Song Sheng mechanisms mounting base 15, stationary knife component mounting base 16 and moving knife shaft mounting base 17.

Wherein, cuboid framework 11 includes four vertical 111, four transverse support bars 112 of column and four longitudinal bracings Bar 113, each angle is by vertical column 111, the transverse support bar 112, the longitudinal direction in the cuboid framework 111 113 one end of supporting rod is welded, vertical 111 length direction of column and the transverse support bar 112, the longitudinal bracing 113 length direction of bar is in 90 ° of angles, and 112 length direction of transverse support bar is in 113 length direction of vertical supporting bar 90 ° of angles.

On the upper side for sliding the transverse support bar 112 that roller 12 is mounted on lower section, the every laterally branch Two are provided with strut 112 and slides roller 12；Two vertical supporting bars 113 positioned at the lower section of cuboid framework 11 Centre, which is provided with, send rope adjustment motor mounting plate 13 and the moving knife shaft operated motor installing plate 14；The Song Sheng mechanisms installation Seat 15 is located at a vertical supporting bar lateral surface；The stationary knife component mounting base 16 is pacified with Song Sheng mechanisms mounting base 15 On same vertical supporting bar 113, and it is located at 113 upper side of vertical supporting bar；Moving knife shaft mounting base 17 is located at one In the transverse support bar 112 of the root away from the stationary knife component mounting base.

11 side of cuboid framework is additionally provided with the room 114 that gathers materials, and 114 upper end of room that gathers materials passes through chamber cap mounting base of gathering materials 116 are fixedly mounted on the top of cuboid framework 11.The lower section of room 114 gather materials equipped with the inclined ramp for directional collecting fiber 115。

Fiber is under the driving of Song Sheng mechanisms 3, and into stationary knife component 6, incision is acted in the cutter of moving knife rotating shaft mechanism 5 The staple fiber of designated length is broken into, is fallen in the room 114 that gathers materials, under the vibration of vibrating device 7, is slided along inclined ramp 115, it is complete Into fibre cutting.

As shown in figure 3, Song Sheng mechanisms 3 include driving shaft 31, driven shaft 32, Song Sheng mechanisms rack 33, send rope mechanism pressure Adjusting part 34 and guide adjusting part 35, the driving shaft 31 are parallel with 32 axis.

The driving shaft 31 is rotated in the case where sending the drive of rope speed regulating motor 2, and drives driven shaft 32, and 31 one end of driving shaft is set There is first to send rope pinch roller 311, send 311 corresponding position of pinch roller of restricting to send rope to press equipped with second with described first on the driven shaft 32 Wheel 321, fiber send rope pinch roller 311 to be sent with described second among rope pinch roller 321, enter under the driving of two pinch rollers described first In stationary knife component 6, described second send 321 surface of rope pinch roller to be equipped with the groove 322 along its circumferencial direction, is just sent with described first The engagement of 311 surface of rope pinch roller.

Yarn guiding assembly (not shown) is additionally provided with Song Sheng mechanisms rack 33, described yarn guiding assembly one end is fixed on In Song Sheng mechanisms rack, the other end is equipped with a yarn guiding wheel, and the yarn guiding wheel circumferencial direction surface is equipped with guide groove, fine Dimension send rope pinch roller 311 and second to send among rope pinch roller 321 by the yarn guiding wheel into first.

311 one end of rope pinch roller is sent to be equipped with a belt sheave 312 away from described first on the driving shaft 31, for installing skin Band, send rope speed regulating motor 2 to be connected by belt with described.

Be equipped with driving gear 313 among the driving shaft 31,313 number of teeth of driving gear is 24~32, it is described from Moving axis 32 is equipped with will be dynamic by driving gear 313 with the matched driven gear 323 of the driving gear 313, driving shaft 31 Power is forwarded to driven shaft 32.

The lower section of driven shaft 32, which is equipped with, send rope mechanism pressure adjusting part 34, described to send rope mechanism pressure adjusting part 34 Including the supporting rod 341 being fixed in Song Sheng mechanisms rack 33 and the adjustable spring being arranged on around the supporting rod 341 342,342 lower end of adjustable spring is fixed in Song Sheng mechanisms rack 33, and upper end is fixed on the driven shaft 32.

Described first send rope pinch roller 311 and described second to send 321 exit of rope pinch roller to be equipped with guide adjusting part 35.

As shown in figure 4, the guide adjusting part 35 includes vertical shift sliding block 351 and moves horizontally slide bar 352, it is described Vertical shift sliding block 351 is fixedly mounted in the rack 1, is internally provided with a through hole, described to move horizontally 352 one end of slide bar It can move horizontally on through hole and along through hole, move horizontally 352 other end of slide bar and conductor rope connecting cylinder 353 is installed.

The vertical shift sliding block 351 is including the first movement sliding block 354 in the rack 1 and for installing The the second movement sliding block 355 for moving horizontally slide bar 352 is stated, the through hole is located on the second movement sliding block 355.

As shown in figure 5, the guide connecting cylinder 353 is equipped with the tension force detection components 356 for being used for detecting fiber tension, institute State tension force detection components 356 send rope speed regulating motor 2 to be connected with for control fiber conveying speed.

The inner side of guide connecting cylinder 353 is equipped with heating component 357, and one is equipped between the heating component 357 and fiber The smooth heat conducting film 358 of layer, the heat conducting film 358 is graphite film, its thickness is 0.01~0.05mm.

As shown in fig. 6, the stationary knife component 6 includes stationary knife seat 61, the stationary knife 62 on the stationary knife seat 61, sets Stationary knife conductor rope pipe 63 inside the stationary knife 62.The stationary knife seat 61 is in inverted T font, its bottom both ends is installed on the rack 1 top, 61 middle of stationary knife seat are provided with square orifice 611, and the stationary knife 62 is installed on inside the square orifice 611, the stationary knife The 62 cylindrical stationary knife alloy cutter head 622 by stationary knife knife rest 621 and positioned at the inner side of stationary knife knife rest 621 forms.

As shown in fig. 7, the stationary knife knife rest 621 includes main paragraph 623 and cutter head control section 624, the main paragraph 623 is Cylinder, cylindrical outer side are fixed on the inner side of the square orifice 611, and the cutter head control section 624 is class hemispherical, the stationary knife Alloy cutter head 622 is installed on inside the cutter head control section 624.

The axis of the stationary knife conductor rope pipe 63 is overlapped with the axis of the stationary knife alloy cutter head 622.

The 61 bottom both ends of stationary knife seat are equipped with track type elongated slot 612, and stationary knife seat fixing bolt 613 passes through the track type Elongated slot 612 is connected with the top of rack 1, and 61 bottom of stationary knife seat is equipped with antidetonation gasket 614 with 1 contact position of rack, For preventing rack from influencing stationary knife and moving knife cut staple in vibration processes, cut-out error, the stationary knife conductor rope pipe 63 are reduced It is internally provided with bolster 625.

The stationary knife alloy cutter head 622 generally hollow cylinder structure, it is from the main paragraph 623 to cutter head control section 624 direction hollow parts diameters are gradually reduced, and are pyramidal structure away from described 623 one end of main paragraph.

Fiber can be offset downwards under moving knife effect, is touched on the inside of 622 pyramidal structure of stationary knife alloy cutter head, is cut Protruding end one end, achievees the purpose that cut staple.

As shown in figure 8, the moving knife rotating shaft mechanism 5 includes moving knife shaft 51, is fixed among the moving knife shaft 51 Belt pulley 52, the first moving knife cutterhead 53 and the second moving knife cutterhead 54 for being arranged on 51 both ends of moving knife shaft, the moving knife turn 51 both ends of axis are located at the first moving knife cutterhead 53,54 outside of the second moving knife cutterhead is equipped with bearing block 55, the moving knife Rotating shaft mechanism 5 is fixedly mounted in rack 1 by bearing block 55；The first moving knife cutterhead 53, the second moving knife cutterhead 54 Locking nut 56 is equipped between the moving knife shaft 51.

First moving knife cutterhead, 53 surface is installed with moving knife 57, and it is dynamic that the moving knife 57 is evenly distributed on described first 53 surface of knife cutterhead.As shown in figure 9, the moving knife 57 includes movable knife holder 571 and moving knife alloy blade 572, the moving knife closes Golden blade 572 is triangle rod structure, and the movable knife holder 571 is cuboid, its linear speed when rotated with the first moving knife cutterhead 53 Vertically while being equipped with an insert groove, described 572 liang of base angles of moving knife alloy blade are installed in the insert groove in degree direction.

The top of first moving knife cutterhead 53 is equipped with the impurity roll 58 for being used for clearing up fiber impurity, and the impurity roll 58 is fixed In the rack 1, its axis is parallel with the axis of the first moving knife cutterhead 53.58 surface of impurity roll, which is equipped with, to be used for clearly Manage the hairbrush 581 of 572 edge of a knife of moving knife alloy blade.

The preferred embodiment of the utility model has shown and described in described above, as previously described, it should be understood that this practicality is new Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups Conjunction, modification and environment, and above-mentioned teaching or the technology of association area can be passed through in utility model contemplated scope described herein Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then All should be in the protection domain of the appended claims for the utility model.

Claims (10)

1. a kind of moving knife rotating shaft mechanism, it is characterised in that including moving knife shaft (51), be fixed among the moving knife shaft (51) Belt pulley (52), be arranged on the first moving knife cutterhead (53) and the second moving knife cutterhead (54) at moving knife shaft (51) both ends, The impurity roll (58) for being used for clearing up fiber impurity is equipped with above the first moving knife cutterhead (53).

2. a kind of moving knife rotating shaft mechanism according to claim 1, it is characterised in that the impurity roll (58) is fixed on rack (1) on, its axis is parallel with the axis of the first moving knife cutterhead (53).

3. a kind of moving knife rotating shaft mechanism according to claim 2, it is characterised in that moving knife shaft (51) both ends are located at The first moving knife cutterhead (53), the second moving knife cutterhead (54) outside are equipped with bearing block (55), the moving knife turning engine Structure (5) is fixedly mounted in rack (1) by bearing block (55).

4. a kind of moving knife rotating shaft mechanism according to claim 3, it is characterised in that the first moving knife cutterhead (53), institute State and locking nut (56) is equipped between the second moving knife cutterhead (54) and the moving knife shaft (51).

A kind of 5. moving knife rotating shaft mechanism according to claim 4, it is characterised in that the first moving knife cutterhead (53) surface Moving knife (57) is installed with, the moving knife (57) is evenly distributed on the first moving knife cutterhead (53) surface.

6. a kind of moving knife rotating shaft mechanism according to claim 5, it is characterised in that the moving knife (57) includes movable knife holder (571) and moving knife alloy blade (572), the moving knife alloy blade (572) is triangle rod structure, the movable knife holder (571) For cuboid, linear velocity direction is vertical while be equipped with an insert groove (573) when rotated with the first moving knife cutterhead (53) for it, described (572) two base angle of moving knife alloy blade is installed in the insert groove (573).

7. a kind of moving knife rotating shaft mechanism according to claim 6, it is characterised in that impurity roll (58) surface, which is equipped with, to be used In the hairbrush (581) of cleaning moving knife alloy blade (572) edge of a knife.

8. a kind of moving knife rotating shaft mechanism according to claim 7, it is characterised in that hairbrush (581) length is less than phase The distance of adjacent two moving knife (57).

9. a kind of moving knife rotating shaft mechanism according to claim 8, it is characterised in that hairbrush (581) length is adjacent The half of the distance of two moving knife (57).

10. a kind of fiber cutting apparatus, it is characterised in that using claim 1-9 any one of them moving knife rotating shaft mechanisms.