CN109338529A - A kind of biserial apron mechanism in spinning machine roller drafting device - Google Patents
A kind of biserial apron mechanism in spinning machine roller drafting device Download PDFInfo
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- CN109338529A CN109338529A CN201811375015.0A CN201811375015A CN109338529A CN 109338529 A CN109338529 A CN 109338529A CN 201811375015 A CN201811375015 A CN 201811375015A CN 109338529 A CN109338529 A CN 109338529A
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- roller
- apron
- preceding middle
- ring
- lower apron
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 238000009987 spinning Methods 0.000 title claims abstract description 42
- 210000000981 epithelium Anatomy 0.000 claims abstract description 24
- 210000004087 cornea Anatomy 0.000 claims abstract description 12
- 239000010985 leather Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
Abstract
A kind of biserial apron mechanism in spinning machine roller drafting device, mechanism includes: preceding middle roller, middle roller afterwards, preceding middle top roller, middle top roller afterwards, front lower apron, apron is descended afterwards, anterior epithelium cornea circle, epithelium posterius circle, lower Xiao, upper Xiao, deflector roll, front lower leather ring tension frame, leather ring tension frame is descended afterwards, back belt bracket, before front lower apron is sleeved on middle roller and lower Xiao, anterior epithelium cornea snare is on preceding middle top roller and upper Xiao, the excessively preceding middle roller of hypodermis snare and deflector roll afterwards, it is sleeved on rear middle roller and lower Xiao, the excessively preceding middle top roller of epithelium posterius snare is sleeved on rear middle top roller and upper Xiao, on each spinning spindle position, front lower apron and anterior epithelium cornea circle, apron and epithelium posterius circle is descended to form two pairs of aprons afterwards, before on, lower apron pair and it is rear on, lower apron is to arranged in parallel, before on, lower apron drives to by preceding middle roller, on afterwards, hypodermis Circle drives to by rear middle roller.
Description
Technical field
The present invention relates to a kind of spinning machine roller drafting devices, and in particular to the biserial apron machine in a kind of drafting system
Structure.
Background technique
In, the biserial apron yarn withdrawal device of rear roller control be that a kind of more popular apron draws yarn mode at present, it is main
Rove item for guiding two groups of cotton length fibers replaces speed change feeding front roller, but due in, rear roller and front roller deposit
In spacing difference, how to guarantee that the uniform drawing-off of two root thickness slivers and mechanism are the current weights that everybody studies to the sensitive of speed responsing
Point, traditional method are that the apron driven using the top roller of stepped-style to rear roller is avoided, and this mode causes two
Root thickness sliver draft area is inconsistent, seriously affects the uniform of resultant yarn strand, and patent CN201480019063.X proposes a kind of logical
Cross the method for changing two groups of apron thickness, avoided by apron guarantee apron that rear roller drives can by middle roller jaw,
This method is in the case where apron width has halved, then its thickness is thinned, very big to intensity, the elasticity effect of apron, by force
The reduction of degree easily causes hanging for apron disconnected, and elasticity, which becomes larger, causes intermittent feeding lags in response, patent
In 201710327732.5 " the biserial apron yarn withdrawal devices and its ring throstle and Yarn spinning method of a kind of spinning frame ", propose
A kind of biserial apron mechanism, the technology propose a kind of new roller nip knot for the roller nip in biserial apron mechanism
Structure all uses roller and set free to rotate to bottom roll on corresponding middle roller jaw in back belt, makes back belt pair
It in the state that middle roller jaw is in clamping, is not controlled by the clamping of middle roller jaw, slips over middle roller jaw, guarantee left and right
The draft area depth of two one ribbons is consistent, by practice, it was demonstrated that and this is a kind of good thinking, but this technology existing defects,
Same phenomenon is after apron width reduces, and the rear lower apron movement that rear roller drives is very easy to go wrong, apron movement
Sluggishness, apron is hung disconnected under even occurring, and less serious case causes draft mechanism to control inaccuracy to rove item, so as to cause product matter
Amount problem, severe one equipment is unable to operate normally, and the appearance of these problems, the improvement not against technology be it is insurmountable, such as
The apron what can be such that the rear roller in biserial apron mechanism drives can keep identical or most like control with adjacent apron
State, and it is able to maintain normal and sensitive movement, preceding middle roller jaw adapts to various production variables, can become more
Mature technology is supplied to user, need to constantly bring forth new ideas in new technology research and development with it is perfect.
Summary of the invention
It is an object of the present invention to: defect existing for the drafting system technology for existing biserial apron mechanism mentions
The biserial apron mechanism in a kind of spinning machine roller drafting device, spinning machine of the present invention refer to using roller draft side out
Formula is by rove or the Weaving device of drafting of sliver.
To achieve the purpose that foregoing invention, the technical solution adopted by the present invention is as follows:
A kind of biserial apron mechanism in spinning machine roller drafting device, mechanism includes: preceding middle roller, rear middle roller, preceding
Middle top roller, front lower apron, descends apron, anterior epithelium cornea circle, epithelium posterius circle, lower Xiao, upper Xiao, deflector roll, preceding hypodermis at rear middle top roller afterwards
Circle tension bracket descends leather ring tension frame, back belt bracket afterwards, and front lower apron is sleeved on preceding middle roller and lower Xiao, anterior epithelium cornea snare
On preceding middle top roller and upper Xiao, rear excessively preceding the middle roller of hypodermis snare and deflector roll are sleeved on rear middle roller and lower Xiao, afterwards on
Apron covered preceding middle top roller and was sleeved on rear middle top roller and upper Xiao, on each spinning spindle position, front lower apron and anterior epithelium cornea
Circle, afterwards lower apron and epithelium posterius circle form two pairs of aprons, preceding upper and lower apron pair and rear upper and lower apron to arranged in parallel, it is preceding above,
Lower apron drives to by preceding middle roller, and rear upper and lower apron drives to by rear middle roller, two pairs of skins arranged side by side in corresponding same spindle position
Circle pair, correspondingly the preceding middle top roller of each spindle position be two side by side, can independently rotate, the preceding middle top roller roller of coaxial core or
Person is the ladder roller with two different outside diameters, and two preceding middle top roller rollers or ladder roller arranged side by side are not
With outer circle position respectively correspond a pair of of apron, described its structure of rear middle top roller is that cylindrical structure is either intermediate recessed
Not equal diameter cylindrical structure, in biserial apron mechanism, for lower apron to the encirclement angle of lower Xiao, deflector roll is one after deflector roll positioning
The roll shaft that root can be turned round freely, secondly end is equipped with rolling bearing, deflector roll lower Xiao in lower apron path and rear lower apron after being in
Between power frame, the included angle of the position encirclement that lower apron forms lower Xiao after increasing, lower apron tension is to lower Xiao after reduction
The resultant force of formation, the frictional resistance after reduction between lower apron and lower Xiao, deflector roll are to be in rolling contact with the contact of rear lower apron, after
The preceding middle roller position that lower apron passes through is the width of lower apron after recessed, recessed width is more than or equal to, recessed
The position minor diameter position corresponding or with ladder roller with a preceding middle top roller roller on preceding middle top roller is corresponding, described
Preceding middle roller spill position be to be formed one can accommodate after upper and lower apron in the space or spill position of sinking
Be equipped with roller ring, the roller ring be can be freely rotated in spill position or can be under the driving of driving wheel or band
It is synchronous with middle rear roller, with linear speed rotate.
Biserial apron mechanism in spinning machine roller drafting device, the spill position of preceding middle roller are to form a space,
Preceding middle top roller be two side by side, the preceding middle top roller rollers that can independently rotate, it is corresponding with middle roller spill position before in upper sieve
Withdrawing roll outside diameter is equal to or greater than adjacent preceding middle top roller roller outside diameter, preceding middle roller is in rear lower apron by portion
Position it is recessed, using roller avoid mode, after holding upper and lower apron to preceding middle roller jaw and side by side before above and below apron pair
In the same horizontal position or it is in lower position, upper and lower apron is to close fitting after holding, and Xiao is in preceding under enhancing
Upper and lower control of the apron to ribbon behind top roller roller section.
There are a roller ring in biserial apron mechanism in spinning machine roller drafting device, the concave shaped portion position of preceding middle roller, it is preceding in
Top roller is that two outer diameters are identical, arranged side by side, the preceding middle top roller roller that can independently rotate, and the rotation of roller ring is active, roller
The rotation of ring is driven by rear middle roller, and the rotation of rear middle roller is while upper and lower apron pair is with rear middle top roller after drive, also band
It is to be driven by servo motor by transmission mechanism that roller, which has been moved, around the rotation of preceding middle roller axis or the rotation of roller ring, after
Under upper and lower apron guides the active rotation of roller ring under the drive of rear middle roller and at preceding middle roller jaw, in preceding
Roller nip is rotated, from rear upper and lower skin in rear upper and lower apron to the preceding middle roller jaw of process using the active of roller ring
Circle to by being hindered when preceding middle roller jaw, after holding upper and lower apron to the tension stability before and after preceding middle roller jaw, after
For upper and lower apron to from rear middle roller jaw to upper and lower Xiao Qianduan, whole process constitutes the bullet to ribbon in the state that is bonded to each other
Property clamping.
There are a roller ring in biserial apron mechanism in spinning machine roller drafting device, the concave shaped portion position of preceding middle roller, it is preceding in
Top roller is two preceding middle top roller rollers that are arranged side by side, can independently rotating, and roller ring can be freely rotated or slide in spill position
Dynamic, the thickness of roller ring is equal to or less than the recessed depth at preceding middle roller spill position, it is corresponding with spill position before in upper sieve
Withdrawing roll outside diameter is equal to or less than adjacent preceding middle top roller roller outside diameter, same spindle position two preceding middle rollers arranged side by side
Jaw is because of upper and lower roller dimensional discrepancy, without under fiber bar state in two pairs of aprons pair, before nipper pressure mainly presses on
Upper and lower apron to upper, preceding middle roller jaw to rear upper and lower apron to forming spacing control, to rear upper and lower apron to forming folder and
It does not hold, rear upper and lower apron drives to by rear middle roller, since roller ring and preceding middle top roller roller are free to rotate, rear upper and lower skin
Circle passes through to from preceding middle roller jaw, and preceding middle roller jaw does not act on gripping is generated rear upper and lower apron.
There are roller ring, roller in biserial apron mechanism in spinning machine roller drafting device, the concave shaped portion position of preceding middle roller
Ring be it is circular, the diameter of bore of roller ring is equal to the diameter at the spill position of preceding middle roller or the diameter of bore of roller ring
Greater than the outer diameter of preceding middle roller, roller ring-shaped is hollow cylinder or is the hollow cylinder for being lined with rolling ring, is covered
Roller ring in preceding middle roller groove and corresponding preceding middle top roller roller, can be in rear upper and lower aprons under by radial pressure state
Under the tangential friction force effect generated to movement, generates and turned round relative to respective preceding middle roller axis and preceding middle top roller axis.
Biserial apron mechanism in spinning machine roller drafting device, the material of roller ring are metals or are nonmetallic
, the annulus of roller ring is whole or roller ring is open loop, can elasticity open be inserted in front of in middle roller groove or
Roller ring is combined annulus.
Biserial apron mechanism in spinning machine roller drafting device, with rear upper and lower apron to corresponding preceding middle top roller roller
Its outer circular shape is that cylindrical or its outer circular shape is the cylindrical of recess.
In biserial apron mechanism in spinning machine roller drafting device, another form of preceding middle top roller structure is for rank
Terraced laura structure.
Biserial apron mechanism in spinning machine roller drafting device, the outer circular shape of the rear middle top roller are cylindrical
, rear middle bottom roller and rear middle top roller constitute clamping jaw, or the outer circular shape of rear middle top roller is the cylinder being recessed
, rear middle bottom roller and rear middle top roller constitute smooth jaw, may be adapted to super long stapled slip draft in wool type fiber.
Biserial apron mechanism in spinning machine roller drafting device, rear lower leather ring tension frame are rollings with the contact of rear lower apron
Dynamic contact.
Biserial apron mechanism in spinning machine roller drafting device, the spinning machine includes will using roller drafting mechanism
The spinning equipment of rove or drafting of sliver.
Biserial apron mechanism in spinning machine roller drafting device, back belt bracket and the contact surface of rear lower apron are flat
Face or be circular arc camber, the relative motion between back belt bracket and rear lower apron be plane and interplanar opposite sliding,
Rolling slip either between plane and roller.
Beneficial effects of the present invention:
Biserial apron mechanism in a kind of spinning machine roller drafting device of the present invention, the technology solve biserial apron mechanism
Existing draft area friction field distributional difference and existing mechanism back belt are to speed responsive sluggishness, prior art and knot
The unreasonable status of structure, the dynamic stress situation after changing when lower apron movement, while proposing and changing the prior art on rear
The evacuation mode of lower apron pair, nipper pressure is deployed in the configuration of middle roller jaw roller diameter deviation before proposing, this is to enhancing
Upper and lower apron is to the control to ribbon afterwards, and upper and lower apron is stablized under the drive of rear middle roller through preceding middle sieve after guarantee
Draw vice mouth solves critical defect existing for innovative technology.
Detailed description of the invention
Fig. 1 is the schematic diagram of the biserial apron mechanism in a kind of spinning machine roller drafting device of the present invention；
Fig. 2 is that the preceding middle top roller roller of back belt pair of the present invention is the roller nip schematic diagram of cylindrical sleeve；
Fig. 3 is the roller nip signal that the outer circle of the preceding middle top roller roller of back belt pair of the present invention is the shape with recess
Figure；
Fig. 4 is the knot that middle roller is recessed, preceding middle top roller roller diameter is greater than adjacent preceding middle top roller roller diameter before the present invention
Structure schematic diagram；
Fig. 5 is that middle roller is recessed before the present invention, preceding middle top roller roller diameter is greater than the another of adjacent preceding middle top roller roller diameter
One to structural schematic diagram；
Fig. 6 is the schematic diagram that roller ring of the present invention is driven by rear middle roller；
Fig. 7 is the roller nip schematic diagram that middle top roller is ladder laura structure before the present invention；
Fig. 8 is the signal of the rear middle top roller and rear middle roller composition jaw of cylindrical structure recessed among the present invention
Figure；
Fig. 9 is the rear middle top roller of cylindrical structure of the present invention and the schematic diagram of rear middle roller composition jaw；
Specific embodiment
Below in conjunction with attached drawing, the technical schemes of the invention are described in detail.The embodiment of the present invention is only for illustrating specific method, originally
The invention spinning machine refers to the spinning machinery equipment of rove or drafting of sliver, the rule of the mechanism using roller drafting mechanism
Mould should not be limited by the examples, any the principle of the invention on the basis of, technical field well known to technical staff often
Knowledge is modified, and is the scope of protection of the invention.
Embodiment one
As shown in Figure 1, the biserial apron mechanism in a kind of spinning machine roller drafting device, biserial apron mechanism includes: preceding
Middle top roller roller 24, rear middle top roller before middle top roller roller 22, right side before middle roller 21, roller ring 23, rear middle roller 31, left side
32, front lower apron 612, afterwards lower apron 611, anterior epithelium cornea circle 622, epithelium posterius circle 621, lower Xiao 51, upper Xiao 52, deflector roll 73, front lower
Leather ring tension frame 71, lower leather ring tension frame 72, back belt bracket 74, the hole size of roller ring 23 are greater than preceding middle roller 21 afterwards
Outer diameter, roller ring 23 can directly be inserted in mounted in preceding 21 spill position of middle roller, can rotate relative to preceding middle roller 21, front lower apron
612 be sleeved on before middle roller 21 on lower Xiao 51, anterior epithelium cornea circle 622 is sleeved on before left side on middle top roller roller 22 and upper Xiao 52,
The excessively preceding middle roller 21 of 611 sets of apron and deflector roll 73 are descended afterwards, are sleeved on rear middle roller 31 and lower Xiao 51,621 sets of epithelium posterius circle
Before right side middle top roller roller 24 be sleeved on rear middle top roller 32 on upper Xiao 52, on each spinning spindle position, front lower apron 612 with
Anterior epithelium cornea circle 622, afterwards lower apron 611 form two pairs of aprons, preceding upper and lower apron pair and rear upper and lower apron pair with epithelium posterius circle 621
Arranged in parallel, preceding upper and lower apron drive to by preceding middle roller 21, and rear upper and lower apron drives to by rear middle roller 31, and deflector roll 73 is
A piece roll shaft that can freely turn round, secondly end is equipped with rolling bearing, deflector roll 73 after being in lower Xiao 51 in lower apron path and it is rear under
Between leather ring tension frame 72, due to the addition of deflector roll 73, lower apron 611 increases to front lower apron to the angle of contact of lower Xiao 51 afterwards
612 pairs of same angles of contact of lower Xiao 51, rear lower apron 611 increase the included angle for the encirclement that lower Xiao 51 is formed, and descend apron afterwards
The resultant force that tension forms lower Xiao reduces, the frictional resistance after reducing between lower apron and lower Xiao, while lower apron and leading afterwards
The contact of roller, rear lower leather ring tension frame 72 is to be in rolling contact, the resistance of lower apron movement after further reducing, upper after guarantee,
Lower apron is smooth to moving.
Fig. 1 shows that, in the preceding middle roller drawing-off jaw of each spinning spindle position, preceding middle roller 21 is cased with sieve simultaneously
Pull ring 23, when current middle top roller structure is coaxial laura structure, preceding middle roller 21 is clamped with middle roller roller set 22 before left side
Preceding upper and lower apron pair, upper and lower apron pair after middle roller roller set 24 clips before roller ring 23 and right side, under reel cage (not drawn in figure)
Pressure, before the left and right side in each spindle position middle top roller roll-in forward middle roller 21, roller ring 23 when, due to preceding middle roller jaw
For two rollers arranged side by side to there are dimensional discrepancy, preceding middle roller 21 bears jaw main pressure with middle roller roller set 22 before left side,
Middle roller roller set 24 bears the secondary pressure of jaw before roller ring 23 and right side, when after middle roller 31 drive after upper and lower apron to fortune
When dynamic, and when preceding middle roller 21 is motionless, since roller ring 23 and middle top roller roller 24 before right side are free to rotate, preceding middle roller
Jaw is not to rear upper and lower apron to generating gripping effect, and rear upper and lower apron from preceding middle roller jaw to can pass through, roller ring 23
Upper and lower apron pair after being clamped with middle roller roller set 24 before right side, in rear upper and lower apron to the tangential friction force for the generation that travels forward
Under effect, can passive rotation, the pressure pressing of preceding middle roller jaw in preceding upper and lower apron to upper, preceding middle roller jaw to it is rear it is upper,
Lower apron is folder without holding to spacing control, the effect to rear upper and lower apron pair is formed, and rear upper and lower apron is to can pass through roller
The rotation of middle roller roller set 24 before ring 23 and right side, by preceding middle sieve, current middle roller 21 before driving upper and lower apron to rotation,
When then middle roller 31 is motionless, due between roller ring 23 and preceding middle roller 21, before right side between middle top roller roller 24 and central spindle
Sliding and rotation, preceding middle roller jaw after not will drive upper and lower apron to movement.
Shown in Fig. 2, middle top roller roller 24 is cylindrical sleeve before right side, and shown in Fig. 3, middle top roller roller 24 is outer before right side
Circle is the shape with recess, and different shapes is replaceable because of different process requirements.
Shown in Fig. 4, Fig. 5, it is using the biserial apron mechanism form of preceding middle roller evacuation, preceding middle sieve that rear lower apron passes through
One space of the recessed formation in position is drawn, preceding middle top roller is two preceding middle top roller rollers that are arranged side by side, can independently rotating, with preceding middle sieve
24 outside diameter of middle top roller roller before the corresponding right side in spill position is drawn to be greater than adjacent preceding 22 outside diameter of middle top roller roller, after
Lower apron 621 and epithelium posterius circle 621 will be seated against 24 outer circle of middle top roller roller before right side, pass through from preceding 21 spill of middle roller, right
24 outside diameter of middle top roller roller is equal to or more than adjacent preceding 22 outside diameter of middle top roller roller before side, compared with the existing technology
Top roller evacuation is different with apron evacuation, and it is to rear upper and lower apron to generation that 24 outside diameter of middle top roller roller, which increases, before right side
Tensioning squeezes, and upper and lower apron is to the contiguity in lower Xiao and preceding middle roller jaw section after being conducive to holding, upper and lower skin after enhancing
Control to ribbon is enclosed, inhibits moving back for Fiber Velocity point, while with the increase of 24 outside diameter of middle top roller roller before right side,
The rotary resistance of middle top roller roller 24 will reduce before right side.
It is the biserial apron mechanism form that rear roller drives roller ring, 23 loop of roller ring is in preceding middle roller 21 shown in Fig. 6
On, rear middle roller 31 is coupled by transmission belt 33 with loop roller 23, when rear middle roller 31 rotates, drives 23 turns of loop roller
It is dynamic,
As shown in fig. 7, preceding middle top roller structure uses ladder laura shape, rear upper and lower for the ribbon of wool type length
Apron is not clamped by preceding middle roller jaw.
As shown in figure 8, rear middle top roller structure is using intermediate recessed not equal diameter circle for the ribbon of wool type length
The rear top roller of column construction, ribbon form slip draft in rear middle roller jaw.
As shown in figure 9, rear middle top roller uses isodiametric cylindrical structure, clamping jaw can be formed.
Claims (10)
1. the biserial apron mechanism in a kind of spinning machine roller drafting device, mechanism includes: preceding middle roller, rear middle roller, it is preceding in
Top roller, front lower apron, descends apron, anterior epithelium cornea circle, epithelium posterius circle, lower Xiao, upper Xiao, deflector roll, front lower apron at rear middle top roller afterwards
Tension bracket descends leather ring tension frame, back belt bracket afterwards, and front lower apron is sleeved on preceding middle roller and lower Xiao, anterior epithelium cornea snare dress
On preceding middle top roller and upper Xiao, the rear excessively preceding middle roller of hypodermis snare and deflector roll are sleeved on rear middle roller and lower Xiao, epithelium posterius
The excessively preceding middle top roller of snare is sleeved on rear middle top roller and upper Xiao, on each spinning spindle position, front lower apron and anterior epithelium cornea circle,
Apron and epithelium posterius circle is descended to form two pairs of aprons afterwards, preceding upper and lower apron pair and rear upper and lower apron are to arranged in parallel, preceding upper and lower skin
Circle drives to by preceding middle roller, and rear upper and lower apron drives to by rear middle roller, two pairs of aprons arranged side by side in corresponding same spindle position
It is right, correspondingly the preceding middle top roller of each spindle position be two side by side, can independently rotate, the preceding middle top roller roller of coaxial core or
It is the ladder roller with two different outside diameters, two preceding middle top roller rollers arranged side by side or ladder roller are different
Outer circle position respectively correspond a pair of of apron, described its structure of rear middle top roller is that cylindrical structure is either intermediate recessed
Not equal diameter cylindrical structure, it is characterized in that lower apron leads the encirclement angle of lower Xiao after deflector roll positioning in biserial apron mechanism
Roller is the roll shaft that can freely turn round, secondly end is equipped with rolling bearing, deflector roll after being in lower Xiao in lower apron path and it is rear under
Between leather ring tension frame, the included angle of the position encirclement that lower apron forms lower Xiao after increasing, lower apron tension after reduction
To the resultant force that lower Xiao is formed, lower frictional resistance between apron and lower Xiao after reduction, deflector roll is to roll with the contact of rear lower apron
Contact, the preceding middle roller position that rear lower apron passes through are the width of lower apron after recessed, recessed width is more than or equal to,
Recessed position minor diameter position pair corresponding or with ladder roller with a preceding middle top roller roller on preceding middle top roller
Answer, the spill position of the preceding middle roller be to be formed one can accommodate after upper and lower space or spill of the apron to sinking
Be equipped with roller ring in position, the roller ring be can be freely rotated in spill position or can be in driving wheel or band
Driving is synchronous with middle rear roller down, rotates with linear speed.
2. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that in preceding
The spill position of roller is to form a space, and preceding middle top roller is two preceding middle top roller rollers that are arranged side by side, can independently rotating, with
The corresponding preceding middle top roller roller outside diameter in middle roller spill position is equal to or straight greater than adjacent preceding middle top roller roller outer circle
Diameter, preceding middle roller is recessed by position in rear lower apron, avoids mode using roller, upper and lower apron is in preceding middle sieve after holding
Draw vice mouth and preceding upper and lower apron arranged side by side are in the same horizontal position or being in lower position, upper and lower skin after holding
Circle enhances upper and lower control of the apron to ribbon after lower Xiao to preceding middle top roller roller section to close fitting.
3. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that in preceding
There is a roller ring in the concave shaped portion position of roller, and preceding middle top roller is that two outer diameters are identical, arranged side by side, the preceding middle top roller that can independently rotate
Roller, the rotation of roller ring are actives, and the rotation of roller ring is driven by rear middle roller, and rear middle roller rotation is upper and lower after drive
Apron pair and while rear middle top roller, also driven roller around the rotation of preceding middle roller axis or the rotation of roller ring be by
Servo motor is driven by transmission mechanism, rear upper and lower apron under the drive of rear middle roller with sieve at preceding middle roller jaw
Under the active rotation guidance of pull ring, used by preceding middle roller jaw in rear upper and lower apron to the preceding middle roller jaw of process
The active of roller ring rotates, from rear upper and lower apron to by being hindered when preceding middle roller jaw, upper and lower apron after holding
To the tension stability before and after preceding middle roller jaw, rear upper and lower apron is to from rear middle roller jaw to upper and lower Xiao Qianduan, at whole process
In the state of being bonded to each other, the resilient clamp to ribbon is constituted.
4. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that in preceding
There is roller ring in the concave shaped portion position of roller, and preceding middle top roller is two preceding middle top roller rollers that are arranged side by side, can independently rotating, roller ring
It can be freely rotated or slide in spill position, the thickness of roller ring is equal to or less than the recessed depth at preceding middle roller spill position
Degree, it is straight that preceding middle top roller roller outside diameter corresponding with spill position is equal to or less than adjacent preceding middle top roller roller outer circle
Diameter, same spindle position two preceding middle roller jaws arranged side by side are because of upper and lower roller dimensional discrepancy, without ribbon in two pairs of aprons pair
Under state, upper and lower apron is to upper before mainly pressing on for nipper pressure, and preceding middle roller jaw is to rear upper and lower apron to forming spacing
Control, to rear upper and lower apron to folder is formed without holding, rear upper and lower apron drives to by rear middle roller, due to roller ring with before in
Top roller roller is free to rotate, and rear upper and lower apron passes through to from preceding middle roller jaw, and preceding middle roller jaw is not to rear upper and lower skin
Circle is acted on gripping is generated.
5. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that in preceding
There is a roller ring in the concave shaped portion position of roller, roller ring be it is circular, the diameter of bore of roller ring is equal to the concave shaped portion of preceding middle roller
The diameter of position or the diameter of bore of roller ring are greater than the outer diameter of preceding middle roller, and roller ring-shaped is hollow cylinder or is
It is lined with the hollow cylinder of rolling ring, covers the roller ring in preceding middle roller groove with corresponding preceding middle top roller roller by diameter
To under pressure state, can generate under the tangential friction force effect that rear upper and lower apron generates movement relative in front of respective
Roller shaft and preceding middle top roller axis turn round.
6. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that roller
The material of ring be metal or be it is nonmetallic, the annulus of roller ring is whole or roller ring is open loop, can bullet
Property open be inserted in front of in middle roller groove or roller ring is combined annulus.
7. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that with rear
Upper and lower apron is to the circle that corresponding preceding its outer circular shape of middle top roller roller is that cylindrical or its outer circular shape is recess
It is cylindrical.
8. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that described
Rear middle top roller outer circular shape be it is cylindrical, rear middle bottom roller and rear middle top roller constitute clamping jaw, or it is rear in
The outer circular shape of top roller is the cylindrical of recess, and rear middle bottom roller and rear middle top roller constitute smooth jaw, may be adapted to hair
Super long stapled slip draft in fiber type.
9. the biserial apron mechanism in a kind of spinning machine roller drafting device according to claim 1, it is characterized in that under rear
Leather ring tension frame is to be in rolling contact with the contact of rear lower apron.
10. according to the biserial apron mechanism in a kind of spinning machine roller drafting device described in claim 1, it is characterized in that back belt
The contact surface of bracket and rear lower apron is plane or is circular arc camber, the opposite fortune between back belt bracket and rear lower apron
Dynamic is that the opposite of plane and interplanar is slided or be the rolling slip between plane and roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809056.XA CN108823701A (en) | 2018-07-14 | 2018-07-14 | A kind of the apron drive method and biserial apron mechanism of drafting assembly of spinning frame |
| CN201810809056X | 2018-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338529A true CN109338529A (en) | 2019-02-15 |
Family
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809056.XA Pending CN108823701A (en) | 2018-07-14 | 2018-07-14 | A kind of the apron drive method and biserial apron mechanism of drafting assembly of spinning frame |
| CN201811375015.0A Pending CN109338529A (en) | 2018-07-14 | 2018-11-07 | A kind of biserial apron mechanism in spinning machine roller drafting device |
| CN201821871755.9U Expired - Fee Related CN209412391U (en) | 2018-07-14 | 2018-11-07 | A kind of biserial apron mechanism in spinning machine roller drafting device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810809056.XA Pending CN108823701A (en) | 2018-07-14 | 2018-07-14 | A kind of the apron drive method and biserial apron mechanism of drafting assembly of spinning frame |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821871755.9U Expired - Fee Related CN209412391U (en) | 2018-07-14 | 2018-11-07 | A kind of biserial apron mechanism in spinning machine roller drafting device |
Country Status (1)
| Country | Link |
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| CN (3) | CN108823701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172635A (en) * | 2020-01-09 | 2020-05-19 | 嘉兴学院 | Transmission method and device of false twist compact spinning device and spinning frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823701A (en) * | 2018-07-14 | 2018-11-16 | 嘉兴学院 | A kind of the apron drive method and biserial apron mechanism of drafting assembly of spinning frame |
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| CN209412391U (en) * | 2018-07-14 | 2019-09-20 | 嘉兴学院 | A kind of biserial apron mechanism in spinning machine roller drafting device |
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2018
- 2018-07-14 CN CN201810809056.XA patent/CN108823701A/en active Pending
- 2018-11-07 CN CN201811375015.0A patent/CN109338529A/en active Pending
- 2018-11-07 CN CN201821871755.9U patent/CN209412391U/en not_active Expired - Fee Related
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| CH182690A (en) * | 1935-04-25 | 1936-02-29 | Mueller August | High draft drafting system for bobbins. |
| CH315845A (en) * | 1951-06-11 | 1956-09-15 | Saco Lowell Shops | Drafting system for spinning machines |
| CH359074A (en) * | 1957-03-23 | 1961-12-15 | Skf Kugellagerfabriken Gmbh | Two-belt drafting system for spinning machines |
| CH422604A (en) * | 1965-07-15 | 1966-10-15 | Kitamura Shinzo | Drafting system for textile machines |
| DE102005008861A1 (en) * | 2005-02-24 | 2006-08-31 | Norbert Barauke | Drawing device for spinning machines includes a nip comprising a lower apron running over a first roll and over a second roll mounted in a guide table |
| CN202671762U (en) * | 2011-11-11 | 2013-01-16 | 陈伟雄 | Composite upper leather roller |
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| EP3018239A2 (en) * | 2014-10-10 | 2016-05-11 | Kabushiki Kaisha Toyota Jidoshokki | Special yarn spinning apparatus in spinning machine |
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| CN209412391U (en) * | 2018-07-14 | 2019-09-20 | 嘉兴学院 | A kind of biserial apron mechanism in spinning machine roller drafting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172635A (en) * | 2020-01-09 | 2020-05-19 | 嘉兴学院 | Transmission method and device of false twist compact spinning device and spinning frame |
| CN111172635B (en) * | 2020-01-09 | 2021-04-02 | 嘉兴学院 | Transmission method and device of false twist compact spinning device and spinning frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108823701A (en) | 2018-11-16 |
| CN209412391U (en) | 2019-09-20 |
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Address after: 314000 No. 56 South Yuexiu Road, Nanhu District, Zhejiang, Jiaxing Applicant after: JIAXING University Address before: 314001 No. 2 Building of Photovoltaic Science Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant before: JIAXING University |
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Inventor after: Shi Jingjing Inventor after: Chen Weixiong Inventor after: Yi Honglei Inventor after: Yang Enlong Inventor before: Chen Weixiong Inventor before: Yi Honglei Inventor before: Shi Jingjing |