CN109735999A - A kind of parallel beating-up device for stereo fabric - Google Patents
A kind of parallel beating-up device for stereo fabric Download PDFInfo
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- CN109735999A CN109735999A CN201910064854.9A CN201910064854A CN109735999A CN 109735999 A CN109735999 A CN 109735999A CN 201910064854 A CN201910064854 A CN 201910064854A CN 109735999 A CN109735999 A CN 109735999A
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- cam
- drive rod
- backhaul
- rise
- support frame
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- 239000004744 fabric Substances 0.000 title claims abstract description 33
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 45
- 238000010009 beating Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 abstract description 14
- 238000003780 insertion Methods 0.000 abstract description 14
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Abstract
The invention discloses a kind of parallel beating-up devices for stereo fabric, horizontally disposed reed seat when including beating, perpendicular reed is connected on the reed seat, the reed seat is equipped with the rear support frame and front support frame hinged with it, the reed seat, the rear support frame and the front support frame constitute double rocking lever four-bar mechanism, rise drive rod and backhaul drive rod are connected on the front support frame, the rise drive rod and the backhaul drive rod are driven by a conjugate cam, and the conjugate cam is mounted on cam rotating shaft.The present invention is using long arm swing-rear support frame in conjugate cam driving double leval jib, and compared to short rocking bar-front support frame is driven, in the case that reed movement travel is certain, conjugate cam movement angle is smaller, and the wefting insertion angle provided and Filling Insertion Time are bigger, is more advantageous to wefting insertion.It is driven using conjugate cam, is more suitable for high speed, severe duty, it is especially suitable to the relatively large multilayer fabric of tightening weft resistance.
Description
Technical field
The invention belongs to textile technology field, especially a kind of parallel beating-up device for stereo fabric.
Background technique
Beating-up mechanism is one of five great institutions of loom, and key effect is played in fabric forming procedure, will introduce fell
Weft yarn push fabric to, so that the mutual buckling of warp thread weft yarn is interweaved, form close weave.
Patent document CN206666744U discloses a kind of air-jet loom beating mechanism, beating-up mechanism rack two sides difference
Driving motor is installed, beating-up mechanism main shaft torque is supplied to by shaft coupling, reed does pendulum motion around slay support when beating.
Carbon fiber three-dimensional fabric includes carbon fiber multilayer fabric and carbon fiber hollow fabric, with common clothing fabric cloth maximum area
It is not, carbon fiber three-dimensional fabric thickness is often larger, and weft yarn laid out in parallel is knitted in differentiated levels, common cloth in fell
The forms of motion of machine beating-up mechanism reed is the swing along arc track, if carbon fiber solid Loom reed is still done along arc track
Swing, carbon fiber three-dimensional fabric different layers weft yarn stress will be uneven when beating, and not can guarantee can smoothly enter into every layer of weft yarn
Fell, this is greatly lowered the quality of carbon fiber three-dimensional fabric.Patent document CN204455469U discloses a kind of for standing
The parallel beating-up device of body fabric, the beating-up mechanism are made of sine mechanism and guide-bar mechanism, keep reed real by sine mechanism
Existing horizontal movement, i.e., parallel beating.Reed moves with uniform velocity when this is used for the parallel beating-up device beating of stereo fabric, to weft yarn
Wear it is small, but beat up whole story acceleration be not zero, to loom generate impact it is larger.Disclosed in patent document CN204325671U
A kind of parallel beating-up device for stereo fabric realizes parallel beating by cam driven connecting rod, can be used for double-deck and multilayer fabric
Weaving, the short swing rod of actuated by cams swings, and compared to long swing rod is driven, the total angle of the movement of cam rise and drawback movement is more
Greatly, wefting insertion angle is caused to reduce, Filling Insertion Time is short, is unfavorable for wefting insertion.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of parallel beating for stereo fabric
Device.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of knit for solid
The parallel beating-up device of object, including horizontally disposed reed seat when beating, are connected with perpendicular steel on the reed seat
Reed, the reed seat be equipped with the rear support frame and front support frame hinged with it, the reed seat, the rear support frame and it is described before
Supporting framework is connected with rise drive rod and backhaul drive rod at double rocking lever four-bar mechanism on the front support frame, described
Rise drive rod and the backhaul drive rod are driven by a conjugate cam, and the conjugate cam is mounted on cam rotating shaft.
On the basis of above scheme, the present invention has also done following improvement:
The conjugate cam is equipped with main cam and auxiliary cam, and the rise drive rod passes through rise roller and the main cam
It touches, the backhaul drive rod is touched by backhaul roller and the auxiliary cam, the contour curve expression formula of the conjugate cam
Are as follows:
In formula:λ=arctg [(l-acos ψ0)/asinψ0];It is pair when FACTOR P=- 1
Cam is main cam when P=1;L is that rise drives pole length or backhaul to drive pole length;A is rise roller or backhaul roller
Offset distance coefficient;B is rise drive rod or backhaul drive rod direction coefficient;A is that conjugate cam and rise drive rod or backhaul drive
The center of bar away from;θ is the reed characteristics of motion, is determined according to beating technique;η is conjugate cam corner;ψ0For at the beginning of rise drive rod
Beginning position angle;β is conjugate cam to rise roller or backhaul roller pressure angle;R0For conjugate cam base radius;R is rise rolling
Son or backhaul radius of roller;
Established angle δ between the main cam and the auxiliary cam are as follows:
In formula: ψ01And ψ02Respectively rise drive rod, backhaul drive rod initial angle;R1For main radius of cam base-circle;R2For
Auxiliary cam base radius;RmFor auxiliary cam large radius.
Gear wheel is installed on the cam rotating shaft, the gear wheel is engaged with pinion gear, the pinion gear installation
On the worm gear shaft, worm gear is installed in the worm gear shaft, the worm gear is engaged with worm screw, and the worm screw is driven by motor.
The motor is servo motor.
The advantages and positive effects of the present invention are: using long arm swing-rear support in conjugate cam driving double leval jib
Frame, compared to short rocking bar-front support frame is driven, in the case that reed movement travel is certain, conjugate cam movement angle is smaller, provides
Wefting insertion angle and Filling Insertion Time it is bigger, be more advantageous to wefting insertion.It is driven using conjugate cam, is more suitable for high speed, severe duty, it is right
The relatively large multilayer fabric of tightening weft resistance is especially suitable.
By optimizing the shape of conjugate cam, the characteristics of motion accelerating curve head and the tail that it can be made to export are zero, acceleration
Curve continuous and derivable, position acceleration negative sense of giving up the idea before beating is maximum, meets inertial beating-up.
Using the two reduction gear comprising Worm Wheel System, the torque of motor output can be increased.
Different revolving speeds is exported by control system beating-up force according to needed for different fabrics using servo motor, realization is beaten
The change of latitude power, can be improved energy utilization rate, can be suitable for hollow and multilayer fabric weaving, cover the product of beating-up mechanism
Lid rate is wider.
To sum up, the present invention has that beating-up force is big, can beat up in parallel, fast response time, can be used for weaving hollow fabric and more
The advantages that layer fabric, product broad covered area.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention;
Fig. 2 is reed characteristics of motion curve graph in the embodiment of the present invention.
In figure: 1, motor;2, worm screw;3, worm gear;4-1, main cam;4-2, auxiliary cam;5, gear wheel;6, rear support frame;
7, reed seat;8, reed;9, front support frame;10, rise roller;11, rise drive rod;12, backhaul drive rod;13, backhaul is rolled
Son;14, cam rotating shaft;15, worm gear rotating shaft.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Referring to Fig. 1, a kind of parallel beating-up device for stereo fabric, including horizontally disposed reed seat 7 when beating,
Perpendicular reed 8 is connected on the reed seat 7, the reed seat 7 is equipped with the rear support frame 6 hinged with it with before
Support frame 9, the reed seat 7, the rear support frame 6 and the front support frame 9 constitute double rocking lever four-bar mechanism, before described
Rise drive rod 11 and backhaul drive rod 12, the rise drive rod 11 and the backhaul drive rod 12 are connected on support frame 9
It is driven by a conjugate cam, the conjugate cam is mounted on cam rotating shaft 14.
Reed seat 7 can be made to be given up the idea at position before beating using the double rocking lever four-bar mechanism that a conjugate cam drives
In horizontality, and then make the parallel beating of the completion in a vertical state of reed 8, while pushing multilayer weft yarn, improves weave quality.
The conjugate cam be equipped with main cam 4-1 and auxiliary cam 4-2, the rise drive rod 11 by rise roller 10 with
The main cam 4-1 is touched, and the backhaul drive rod 12 is touched by backhaul roller 13 and the auxiliary cam 4-2, in this implementation
In example, in order to reduce beating-up mechanism to the impact force of loom, meet inertial beating-up requirement, the contour curve table of the conjugate cam
Up to formula are as follows:
In formula:λ=arctg [(l-acos ψ0)/asinψ0];It is pair when FACTOR P=- 1
Cam is main cam when P=1;L is that rise drives pole length or backhaul to drive pole length;A is rise roller or backhaul roller
Offset distance coefficient;B is rise drive rod or backhaul drive rod direction coefficient;A is that conjugate cam and rise drive rod or backhaul drive
The center of bar away from;θ is the reed characteristics of motion, is determined according to beating technique;η is conjugate cam corner;ψ0For at the beginning of rise drive rod
Beginning position angle;β is conjugate cam to rise roller or backhaul roller pressure angle;R0For conjugate cam base radius;R is rise rolling
Son or backhaul radius of roller;Established angle δ between the main cam and the auxiliary cam are as follows:
In formula: ψ01And ψ02Respectively rise drive rod, backhaul drive rod initial angle;R1For main radius of cam base-circle;R2For
Auxiliary cam base radius;RmFor auxiliary cam large radius.
Above-mentioned β is conjugate cam to rise roller or backhaul roller pressure angle,
Referring to Fig. 2, the curve of θ is displacement curve therein, the sine and cosine to be determined using beating technique combines reed
The characteristics of motion, sine and cosine combined motion law is made of five sections of piecewise functions, specific as follows:
In formula: H1And H2Respectively reed maximum forward, maximum negativeacceleration, are determined by institute's woven fabric beating technique;η0
For the effective corner of conjugate cam beating;ωμFor conjugate cam class angular speed;ω is conjugate cam actual angular speed;N is nature
Number;T is the time;Sine and cosine combined motion law design parameter b, c is determined by beating technique.
Needed for above-mentioned sine and cosine combined motion law function substitution conjugate cam contour line solution formula can be acquired altogether
The shape of yoke cam.Based on the conjugate cam that the sine and cosine combined motion law acquires, exports kinetic characteristic and meet driven member
First and last is zero to acceleration in one cycle, continuous, smooth, without mutation, theoretically under the kinetic characteristic mechanism to loom without punching
Hit vibration;Accelerating curve continuous and derivable, position acceleration negative sense of giving up the idea before beating is maximum, meets the requirement of inertial beating-up.
In the present embodiment, in order to increase output torque, gear wheel 5 is installed on the cam rotating shaft 14, it is described
Gear wheel 5 is engaged with pinion gear 3, and the pinion gear 3 is mounted on worm gear shaft 15, is equipped with worm gear 3 on the worm gear shaft 15,
The worm gear 3 is engaged with worm screw 2, and the worm screw 2 is driven by motor 1.Using the two reduction gear comprising Worm Wheel System,
The torque of motor output can be increased.
In the present embodiment, recommend the motor 1 using servo motor.Reason for this is that: different fabrics need different size
Beating-up force, changing for beating-up force can realize that it is real that servo motor can pass through its control system by changing the revolving speed of servo motor
The change of existing revolving speed, therefore beating is carried out using servo motor and drives change beating-up force size very convenient.
The working principle of the invention:
Motor 1 transmits drive force to conjugate cam by worm and gear and a pair of big pinion gear, and conjugate cam is around cam
Rotating shaft does uniform rotation, and main cam 4-1 applies normal pressure to rise roller 10 in progradation, to push rise drive rod
11 and rear support frame 9 do clockwise oscillation, rear support frame 9 drives reed 8 to swing to position of giving up the idea before beating.The arrival of reed 8 is beaten
Given up the idea after the completion beating of position before latitude, auxiliary cam 4-2 applies normal pressure to backhaul roller 13, to push 12 He of backhaul drive rod
Rear support frame 9 does counter-clockwise swing, and rear support frame 9 drives reed 8 to swing to position of giving up the idea after beating, later at backhaul roller 13
Stop circular portion in conjugate cam, reed 8 is static at this time.According to the length of Filling Insertion Time, backhaul roller 13 is in conjugate cam
Stop circular portion when can control motor 1 and slow down or stalling, to realize beating and the co-ordination of wefting insertion.The present invention passes through to rear
The design of support frame 9, front support frame 6 and reed seat 7, realize reed 8 give up the idea before beating position when it is in a vertical state simultaneously
It moves horizontally, i.e. reed is uniform to the beating-up force of every layer of weft yarn.Conjugate cam drives long arm swing-rear support frame in double leval jib
9, compared to short rocking bar-front support frame 6 is driven, in the case that 8 movement travel of reed is certain, conjugate cam movement angle is smaller, mentions
The wefting insertion angle of confession and Filling Insertion Time are bigger, are more advantageous to wefting insertion.It is driven using conjugate cam, is more suitable for high speed, severe duty,
It is especially suitable to the relatively large multilayer fabric of tightening weft resistance.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, in the case where not departing from present inventive concept and scope of the claimed protection, goes back
Many forms can be made, within these are all belonged to the scope of protection of the present invention.
Claims (4)
1. a kind of parallel beating-up device for stereo fabric, including horizontally disposed reed seat when beating, in the reed seat
On be connected with perpendicular reed, the reed seat is equipped with the rear support frame and front support frame hinged with it, the reed seat,
The rear support frame and the front support frame constitute double rocking lever four-bar mechanism, which is characterized in that solid on the front support frame
It is connected to rise drive rod and backhaul drive rod, the rise drive rod and the backhaul drive rod are driven by a conjugate cam,
The conjugate cam is mounted on cam rotating shaft.
2. the parallel beating-up device according to claim 1 for stereo fabric, which is characterized in that the conjugate cam is set
There are main cam and auxiliary cam, the rise drive rod is touched by rise roller and the main cam, and the backhaul drive rod is logical
It crosses backhaul roller to touch with the auxiliary cam, the contour curve expression formula of the conjugate cam are as follows:
In formula:λ=arctg [(l-acos ψ0)/asinψ0];It is secondary convex when FACTOR P=- 1
Wheel is main cam when P=1;L is that rise drives pole length or backhaul to drive pole length;A is rise roller or backhaul roller offset distance
Coefficient;B is rise drive rod or backhaul drive rod direction coefficient;A is conjugate cam and rise drive rod or backhaul drive rod
Center away from;θ is the reed characteristics of motion, is determined according to beating technique;η is conjugate cam corner;ψ0For rise drive rod initial bit
Angle setting;β is conjugate cam to rise roller or backhaul roller pressure angle;R0For conjugate cam base radius;R be rise roller or
Backhaul radius of roller;
Established angle δ between the main cam and the auxiliary cam are as follows:
In formula: ψ01And ψ02Respectively rise drive rod, backhaul drive rod initial angle;R1For main radius of cam base-circle;R2It is secondary convex
Take turns base radius;RmFor auxiliary cam large radius.
3. the parallel beating-up device according to claim 1 for stereo fabric, which is characterized in that turned round in the cam
Gear wheel is installed, the gear wheel is engaged with pinion gear, and the pinion gear is installed on the worm gear shaft, in the worm gear shaft on axis
Worm gear is installed, the worm gear is engaged with worm screw, and the worm screw is driven by motor.
4. the parallel beating-up device according to claim 3 for stereo fabric, which is characterized in that the motor is servo
Motor.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113046899A (en) * | 2021-03-17 | 2021-06-29 | 山东日发纺织机械有限公司 | Beating-up mechanism and loom |
CN114990765A (en) * | 2022-07-06 | 2022-09-02 | 天津工业大学 | Reed motion path planning and driving control method for spacer fabric |
CN115074894A (en) * | 2022-07-06 | 2022-09-20 | 天津工业大学 | Double-layer rigid rapier driving and controlling method for spacer fabric |
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CN103161002A (en) * | 2011-12-09 | 2013-06-19 | 盐城纺织职业技术学院 | Reed transverse motion mechanism |
CN203625585U (en) * | 2013-12-17 | 2014-06-04 | 浙江富润海茂纺织布艺有限公司 | Dual-conjugated-cam beating-up mechanism for loom |
WO2016116193A1 (en) * | 2015-01-19 | 2016-07-28 | Picanol | Sley drive system for a weaving machine |
CN209555474U (en) * | 2019-01-23 | 2019-10-29 | 天津工业大学 | A kind of parallel beating-up device for stereo fabric |
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2019
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Patent Citations (6)
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CN101074512A (en) * | 2007-01-30 | 2007-11-21 | 浙江汇德纺机有限公司 | High-speed rapier loom |
CN101831752A (en) * | 2010-05-25 | 2010-09-15 | 杭州天马纺织机械有限公司 | Non-inertial beating-up mechanism of weaving machine and sley motion method for implementing non-inertial beating-up |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113046899A (en) * | 2021-03-17 | 2021-06-29 | 山东日发纺织机械有限公司 | Beating-up mechanism and loom |
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CN114990765A (en) * | 2022-07-06 | 2022-09-02 | 天津工业大学 | Reed motion path planning and driving control method for spacer fabric |
CN115074894A (en) * | 2022-07-06 | 2022-09-20 | 天津工业大学 | Double-layer rigid rapier driving and controlling method for spacer fabric |
CN115074894B (en) * | 2022-07-06 | 2024-03-22 | 天津工业大学 | Double-layer rigid rapier driving and controlling method for spacer fabric |
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