CN103849991B - The loom transmission that a kind of switched reluctance machines drives and loom position automatic calibration system - Google Patents

The loom transmission that a kind of switched reluctance machines drives and loom position automatic calibration system Download PDF

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Publication number
CN103849991B
CN103849991B CN201410057732.4A CN201410057732A CN103849991B CN 103849991 B CN103849991 B CN 103849991B CN 201410057732 A CN201410057732 A CN 201410057732A CN 103849991 B CN103849991 B CN 103849991B
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loom
frame
shaft
bearing
gear
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CN103849991A (en
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周香琴
王琴龙
万祖干
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Zhejiang Wanli Textile Machinery Co Ltd
Zhejiang Sci Tech University ZSTU
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Zhejiang Wanli Textile Machinery Co Ltd
Zhejiang Sci Tech University ZSTU
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Abstract

The loom transmission that a kind of switched reluctance machines drives and loom position automatic calibration system, the motor stator of described switched reluctance machines is fixed in frame, the mair motor gear shaft that rotor and is bearing in frame by bearing is connected, one end of this mair motor gear shaft is connected with a piston by bearing, this piston and one to be placed in frame in pilot hole and moveable contact pin is connected, and makes contact pin and frame form cylindrical pair and is connected; Described piston is placed in the piston cylinder that is connected in frame, and forms cylindrical pair and connect, and piston coordinates with contact pin, can laterally move, but can not rotate; Described mair motor gear shaft is engaged with the opening travelling gear be connected on opening power transmission shaft by shaft gear, opening power transmission shaft is fixed with the armature of opening brake by spring, the two ends of opening power transmission shaft are connected with encoder and shedding mechanism respectively, and coil and the frame of opening brake are connected; It is reasonable that it has mechanism, easy to use and reliable, can improve the speed of loom, improve the feature such as loom speed change and location position aspect automaticity.

Description

The loom transmission that a kind of switched reluctance machines drives and loom position automatic calibration system
Technical field
The present invention relates to be a kind of switched reluctance machines drive loom transmission and loom position automatic calibration system, the transmission of field of textile machinery and control technology.
Background technology
Conventional Rapier looms adopts phase asynchronous alternating current generator to drive the main shaft of loom, takes clutch-brake to realize a braking function of loom, and the change of loom speed adopts the mode changing speed ratio or change motor driving frequency to realize.
Figure 1 shows that a kind of transmission system of prior art, wherein, the output shaft of phase asynchronous ac main motor 1 is fixed with main drive belt wheel 2; Main clutch rotor 7 is fixed with main drive belt wheel 4, and is connected with high speed gear shaft 11 by bearing; Clutch-brake armature 8 is connected on high speed gear shaft 11 by spring, and high speed gear shaft 11,11 ' is connected with frame 5 by bearing, and is connected with high speed shaft 12; Wefting insertion main shaft 14,14 ' is fixed with wefting insertion gear 13,13 ', is connected with frame 5 by bearing, and is connected with weft insertion device; Beat up on main shaft 19,19 ' and be fixed with the gear 10,10 ' that beats up, be connected with frame 5 by bearing, and be connected with beating-up mechanism; Seek latitude sucker 16 to be connected by spring and the main shaft 19 ' that beats up, opening power transmission shaft 20 is fixed with and seeks latitude sucker 16 ', opening belt wheel 21, scissors drive pulley 27, be connected with frame 5 by bearing, be fixed with slow train sucker 18 ' by spring, be connected with slow train hinge wheel 18 by bearing; The output shaft of slow train motor 26 is fixed with slow train minor sprocket 25; Scissors shaft 30 is fixed with scissors drive pulley 29, is connected by the turning cylinder of shaft joint 31 with spindle encoder 32, is connected with frame 5 by bearing; Shell and the frame 5 of spindle encoder 32 are connected; Opening drive pulley 23 is connected with shedding mechanism; Main clutch coil 6, foundation brakes coil 9, seek latitude clutch coil 15, slow train clutch coil 17 and frame 5 are connected.
Phase asynchronous ac main motor 1 is energized, and drives main drive belt to take turns 4 motions, drive main clutch rotor 7 to move simultaneously by main drive belt wheel 2, belt 3.
When loom needs to run well: main clutch coil 6 is energized, foundation brakes coil 9 power-off, seeks latitude clutch coil 15 power-off, slow train clutch coil 17 power-off, slow train motor 26 power-off; Main clutch rotor 7 and clutch-brake armature 8 adhesive, form one; Seek latitude sucker 16,16 ' adhesive, form one; Slow train sucker 18 ' is separated with slow train hinge wheel 18.Main clutch rotor 7 rotates, drive high speed gear shaft 11,11 ', high speed shaft 12 rotates, drive wefting insertion main shaft 14,14 ' to rotate by gears meshing, drive the weft insertion device of loom both sides; Drive the main shaft 19,19 ' that beats up to rotate simultaneously, drive the beating-up mechanism in the middle of loom; Drive opening power transmission shaft 20, scissors drive pulley 27, opening belt wheel 21 to rotate, now slow train hinge wheel 18 is static; By Timing Belt 22, drive opening drive pulley 23 and shedding mechanism motion; Scissors drive pulley 29 scissors shaft 30, shaft joint 31, spindle encoder 32 is driven to move by Timing Belt 28.
Wefting insertion main shaft 14(14 '), beat up main shaft 19(19 '), opening power transmission shaft 20, the synchronized running of scissors shaft 30.
Main clutch coil 6, main clutch rotor 7, clutch-brake armature 8 form main clutch; Foundation brakes coil 9, clutch-brake armature 8 form foundation brakes; Seek latitude sucker 16,16 ', seek latitude clutch coil 15 composition and seek latitude clutch; Slow train sucker 18 ', slow train hinge wheel 18, slow train clutch coil 17 form slow train clutch.
When loom is braked: main clutch coil 6 power-off, foundation brakes coil 9 is energized, and seeks latitude clutch coil 15 power-off, slow train clutch coil 17 power-off, slow train motor 26 power-off; Clutch-brake armature 8 and foundation brakes coil 9 adhesive, form one, clutch-brake armature 8 is separated with main clutch rotor 7, seeks latitude sucker 16,16 ' adhesive, forms one; Slow train sucker 18 ' is separated with slow train hinge wheel 18.Clutch-brake armature 8 is braked, and forces wefting insertion main shaft 14,14 ', and beat up main shaft 19,19 ', opening power transmission shaft 20, scissors shaft 30 and on be connected part braking, weft insertion device, beating-up mechanism, shedding mechanism brake.
When loom microinching: main clutch coil 6 power-off, foundation brakes coil 9 power-off, seek latitude clutch coil 15 power-off, slow train clutch coil 17 is energized, and slow train motor 26 is energized; Clutch-brake armature 8 is separated with foundation brakes coil 9, is separated with main clutch rotor 7; Seek latitude sucker 16,16 ' adhesive, form one; Slow train sucker 18 ' and slow train hinge wheel 18 adhesive, form one.Slow train motor 26 is by slow train minor sprocket 25, slow train chain 24, slow train hinge wheel 18 drives opening power transmission shaft 20, wefting insertion main shaft 14,14 ', beat up main shaft 19,19 ', scissors shaft 30 and on the part movement that is connected, drive weft insertion device, beating-up mechanism, shedding mechanism and spindle encoder 32.
When latitude motion sought by loom: main clutch coil 6 power-off, foundation brakes coil 9 is energized, and seek latitude clutch coil 15 and be energized, slow train clutch coil 17 is energized, and slow train motor 26 is energized; Clutch-brake armature 8 and foundation brakes coil 9 adhesive, form one; Clutch-brake armature 8 is separated with main clutch rotor 7; Seek latitude sucker 16,16 ' to be separated; Slow train sucker 18 ' and slow train hinge wheel 18 adhesive, form one.Slow train motor 26 by slow train minor sprocket 25, slow train chain 24, slow train hinge wheel 18 drive opening power transmission shaft 20, scissors shaft 30 and on the part movement that is connected, drive shedding mechanism, spindle encoder 32 move; Wefting insertion main shaft 14,14 ', the main shaft 19 of beating up, 19 ' and on the part that is connected static under the effect of foundation brakes, weft insertion device, beating-up mechanism are static.After encoder 32 turns over an angle (being generally no more than 90 °), seek latitude clutch coil 15 power-off, but owing to seeking the restriction of latitude clutch internal structure, seek latitude sucker 16,16 ' and continue to be separated, when seeking latitude sucker 16 ' and turning over close to one week, slow train motor 26 power-off, due to effect of inertia, is rotated further when seeking latitude sucker 16 ', when it turns over complete one week, with seek latitude sucker 16 ' adhesive, loom stop motion, complete and once seek latitude action.
The position of loom is determined by the angle position of loom main shaft, when assembling according to the position of slay, by the demarcation manually completing main shaft angle original position, namely rotate loom, accurately find the loom position of beating up corresponding to the moment, unclamp shaft coupling 31, the angle of adjustment spindle encoder, make it be shown as 0 ° of position, after being fixedly connected with, namely complete the demarcation of loom zero-bit.
But there is following defect in above-mentioned existing transmission system: when loom speed meet or exceed about 450-500 rev/min, loom open braking time, main clutch, foundation brakes faults frequent, or when opening transmission system load is very large, slow train, seek that latitude wrong operation of motor is frequent, driving belt fracture etc., because which limit the maximum speed of loom; If change the speed of loom just to need change belt wheel or adopt variable-frequency motor, just cannot realize speed change and weave, normally weave and seek that latitude moves, microinching adopts different drive paths, complicated in mechanical structure; The spindle encoder zero-bit representing loom position needs artificial demarcation.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of mechanism reasonable, easy to use and reliable, the speed of loom can be improved, improve loom transmission system and the loom position automatic calibration system of the switched reluctance machines driving of loom speed change and location position aspect automaticity.
The object of the invention is to have come by following technical solution, the loom transmission that a kind of switched reluctance machines drives and loom position automatic calibration system, the motor stator of described switched reluctance machines is fixed in frame, the mair motor gear shaft that rotor and is bearing in frame by bearing is connected, one end of this mair motor gear shaft is connected with a piston by bearing, this piston and one to be placed in frame in pilot hole and moveable contact pin is connected, and makes contact pin and frame form cylindrical pair and is connected; Described piston is placed in the piston cylinder that is connected in frame, and forms cylindrical pair and connect, and piston coordinates with contact pin, can laterally move, but can not rotate;
Described mair motor gear shaft is engaged with the opening travelling gear be connected on opening power transmission shaft by shaft gear, opening power transmission shaft is fixed with the armature of opening brake by spring, the two ends of opening power transmission shaft are connected with encoder and shedding mechanism respectively, and coil and the frame of opening brake are connected.
Described mair motor gear shaft also by shaft gear be connected in the wefting insertion gears meshing that wefting insertion beats up on main shaft, on described wefting insertion beats up main shaft, be also fixed with two beating-up cams, this wefting insertion main shaft that beats up is bearing in frame by bearing, forms D revolute pair; One wefting insertion space connecting-rod one end is connected with wefting insertion gear by bearing, and form B cylindrical pair, the other end is connected with swinging seat 118 by bearing, and form C revolute pair, swinging seat is connected with frame by bearing, forms A revolute pair; The axis of movement of A revolute pair, B cylindrical pair, C revolute pair, D revolute pair meets at a bit, and wefting insertion gear, wefting insertion space connecting-rod, swinging seat and frame form space four bar linkage mechanism, become a part for weft insertion device;
One swing arm of beating up is connected with two rollers respectively by bearing, and form two E revolute pairs and F revolute pair, swing arm of beating up is bearing in frame by bearing, forms H revolute pair; Two rollers contact with two beating-up cams respectively; Two beating-up cams, swing arm of beating up, two rollers and frames, form cam mechanism, become a part for beating-up mechanism;
One proximity switch is fixed in frame, and one end is facing to the sensing chip be fixed on swinging seat, and another proximity switch is fixed in frame, and one end is facing to being fixed on another sensing chip beaten up in swing arm; Sensing chip is arranged on space connecting-rod and is near upper extreme position, namely that main shaft is with this extreme position for benchmark rotates 45-55 ° forward or backward, and best at about 50 °, the lamp on proximity switch is bright, otherwise does not work; Another sensing chip is arranged near maximum radius vector that roller is in beating-up cam, namely main shaft is with this extreme position for benchmark rotates 35-45 ° forward or backward, and best at about 40 °, the lamp on another proximity switch is bright, otherwise does not work.
Mair motor gear shaft of the present invention, rotor, motor stator constitute switched reluctance machines, and the armature of described opening brake and the coil of opening brake constitute opening brake; Described opening travelling gear is equal with the wefting insertion gear number of teeth.
Described wefting insertion gear is provided with two place's circumferential notches, two places for pin hole during contact pin insertion locking wefting insertion beating motion, also offer a circular hole, the centre of gyration line of its center line and wefting insertion gear meets at a bit, forms α angle.
Described motor gear axle and piston adopt deep groove ball bearing to be connected, and can relatively rotate, but can not relative movement, and contact pin pilot hole R axis is parallel with mair motor Gear axis.
The invention belongs to the improvement to prior art, it is reasonable that it has mechanism, easy to use and reliable, can improve the speed of loom, improve the feature such as loom speed change and location position aspect automaticity.
Accompanying drawing explanation
Fig. 1 is the transmission system schematic diagram of prior art.
Fig. 2 is transmission system schematic diagram of the present invention.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is that B in Fig. 2 is to local revolved view.
Fig. 5 seeks latitude position system partial view.
Fig. 6 is the B-B sectional view of Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described in detail: the present invention is mainly in order to overcome the deficiencies in the prior art, in prior art---on the Rapier looms transmission system basis that switched reluctance machines drives, cancel main clutch, foundation brakes, seek latitude clutch, slow train clutch etc., cancel V belt translation; Concrete transmission system is shown in shown in Fig. 2-6.
The loom transmission that switched reluctance machines drives and loom position automatic calibration system, the motor stator 102 of described switched reluctance machines is fixed in frame 120, the mair motor gear shaft 103 that rotor 101 and is bearing in frame 120 by bearing is connected, it is characterized in that: one end of this mair motor gear shaft 103 is connected with a piston 104 by bearing, this piston 104 and one to be placed in frame 120 in pilot hole R and moveable contact pin 106 is connected, and makes contact pin 106 form cylindrical pair with frame 120 and is connected; Described piston 104 is placed in the piston cylinder 105 that is connected in frame 120, and forms cylindrical pair and connect, and piston 104 coordinates with contact pin 106, can laterally move, but can not rotate;
Described mair motor gear shaft 103 is engaged with the opening travelling gear 111 be connected on opening power transmission shaft 115 by shaft gear, opening power transmission shaft 115 is fixed with the armature 114 of opening brake by spring, the two ends of opening power transmission shaft 115 are connected with encoder 112 and shedding mechanism respectively, and coil 113 and the frame 120 of opening brake are connected.
Described mair motor gear shaft 103 also by shaft gear be connected in the wefting insertion gear 116 that wefting insertion beats up on main shaft 107 and engage, two beating-up cams 108,108 ' are also fixed with on described wefting insertion beats up main shaft 107, this wefting insertion main shaft 107 that beats up is bearing in frame 120 by bearing, forms D revolute pair D 1; One wefting insertion space connecting-rod 117 one end is connected with wefting insertion gear 116 by bearing, forms B cylindrical pair B 1, the other end is connected with swinging seat 118 by bearing, forms C revolute pair C 1, swinging seat 118 is connected with frame 120 by bearing, forms A revolute pair A 1; A revolute pair A 1, B cylindrical pair B 1, C revolute pair C 1, D revolute pair D 1axis of movement meet at a bit, wefting insertion gear 116, wefting insertion space connecting-rod 117, swinging seat 118 and frame 120 form space four bar linkage mechanism, become a part for weft insertion device;
One swing arm 109 of beating up is connected with two rollers 110,110 ' respectively by bearing, forms two E revolute pair E 1with F revolute pair F 1, swing arm 109 of beating up is bearing in frame 120 by bearing, forms H revolute pair H 1; Two rollers 110,110 ' contact with two beating-up cams 108,108 ' respectively; Two beating-up cams 108,108 ', swing arm 109, two rollers 110 of beating up, 110 ' and frame 120, form cam mechanism, become a part for beating-up mechanism;
One proximity switch 121 is fixed in frame 120, and one end is facing to the sensing chip 119 be fixed on swinging seat 118, and another proximity switch 121 ' is fixed in frame 120, and one end is facing to being fixed on another sensing chip 119 ' beaten up in swing arm 109; Sensing chip 119 is arranged on that space connecting-rod 117 is near upper extreme position, namely main shaft is with this extreme position for benchmark rotates about 50 ° forward or backward, and the lamp on proximity switch 121 is bright, otherwise does not work; Another sensing chip 119 ' is arranged near maximum radius vector that roller 110 is in beating-up cam 108, namely main shaft is with this position of the limit for benchmark rotates about 40 ° forward or backward, and the lamp on another proximity switch 121 ' is bright, otherwise does not work.
Mair motor gear shaft 103 of the present invention, rotor 101, stator 102 constitute switched reluctance machines, and the armature 114 of described opening brake and the coil 113 of opening brake constitute opening brake; Described opening travelling gear 111 is equal with wefting insertion gear 116 number of teeth.
Described wefting insertion gear 116 is provided with two place circumferential notch N, K, two places for pin hole P, Q during contact pin 106 insertion locking wefting insertion beating motion, also offer a circular hole M, the centre of gyration line of its center line and wefting insertion gear 116 meets at a bit, forms α angle.
Described motor gear axle 103 adopts deep groove ball bearing to be connected with piston 104, can relatively rotate, but can not relative movement, and contact pin pilot hole R axis is parallel with mair motor Gear axis.
When loom proper motion, opening releasing of brake, mair motor passes into heavy current, rotor 101 starts fast, drives mair motor gear shaft 103 to rotate, by engaging with opening gear 111, opening power transmission shaft 115 is driven to rotate, drive encoder 112 to rotate, perception main shaft angle, drive shedding mechanism motion simultaneously; Mair motor gear shaft 103 drives the wefting insertion main shaft 107 that beats up to rotate by engaging with wefting insertion gear 116, drives cam mechanism motion, drives whole beating-up mechanism to move; Drive space four bar linkage mechanism simultaneously, drive whole weft insertion device to move.After loom arrives rated speed, reduce electric current, the speed perceived with encoder is feedback parameter, and the magnitude of current controlling mair motor controls the speed of loom, realizes the approximate permanent rotary speed movement of mair motor.
When loom needs braking, mair motor is energized with mode of braking, rotor 101 fast braking, and corresponding moving parts also fast braking simultaneously, reaches static.After loom is completely static, opening brake guaranties, the coil of opening brake and the armature adhesive of opening brake, braking shedding mechanism or whole transmission system (different according to brake structural, also can be power-off brake).
When loom needs microinching, opening releasing of brake, mair motor passes to relatively little electric current, rotor 101 microinching, drives mair motor gear shaft 103 to rotate, by engaging with opening gear 111, opening power transmission shaft 115 is driven to rotate, drive encoder 112 to move, perception main shaft angle, drive shedding mechanism to rotate simultaneously; Mair motor gear shaft 103 drives the wefting insertion main shaft 107 that beats up to rotate by engaging with wefting insertion gear 116, drives cam mechanism motion, drives whole beating-up mechanism to move; Drive space four bar linkage mechanism simultaneously, drive whole weft insertion device to move, realize the microinching of loom.
When loom needs to seek latitude motion, opening releasing of brake; Mair motor passes to small area analysis, rotor 101 microinching, drives mair motor gear shaft 103 to rotate, and by engaging with opening gear 111, driving opening power transmission shaft 115 to rotate, driving encoder 112 to rotate, perception main shaft angle, drive shedding mechanism to rotate simultaneously; Mair motor gear shaft 103 drives the wefting insertion main shaft 107 that beats up to rotate by engaging with wefting insertion gear 116, drives cam mechanism motion, drives whole beating-up mechanism to move; Drive space four bar linkage mechanism simultaneously, drive whole weft insertion device to move; When (breach N or K on wefting insertion gear 116 aimed at by the gear on mair motor gear shaft 103) shown in loom movement to Fig. 6 during position, rotor 101 stops operating, and realize circumference location with magnetic field force, hydraulic valve system is started working, and hydraulic oil enters from the C end of oil cylinder 105, promotes piston 104 and moves right, hydraulic oil flows out from D end, promote mair motor gear shaft to move right, contact pin 106 inserts in the hole Q on wefting insertion gear simultaneously, realizes wefting insertion and to beat up the locking of system.When the gear on mair motor gear shaft 103 throws off (not engaging) with wefting insertion gear 116, hydraulic valve quits work, motor circumference positioning solution is removed, mair motor passes into small area analysis, rotor 101 slow rotation, drive opening power transmission shaft 115 and on the part movement that is connected, drive shedding mechanism motion simultaneously.Stop operating after opening power transmission shaft 115 rotates complete one week, and realize circumference location with magnetic field force; Hydraulic valve system is started working, hydraulic oil enters from the D end of oil cylinder 105, promote piston 104 to left movement, hydraulic oil flows out from C end, promotes mair motor gear shaft to left movement simultaneously, contact pin 106 pulls out in the hole Q wefting insertion gear, remove wefting insertion to beat up the locking of system, the gear simultaneously on main motor shaft 103 engages with wefting insertion gear 116 again, and mair motor passes to small area analysis, driving loom microrunning to seeking latitude original position, completing and once seeking latitude.
The demarcation of loom main shaft zero-bit: rotor 101 rotates with jogging speed and drives wefting insertion gear 116 slow rotation, drives swinging seat 118 around A by space four bar linkage mechanism 1prop up spot wobble, rotate in one week at wefting insertion gear 116, sensing chip 119 inductive proximity switch 121 on swinging seat once, lamp a period of time on proximity switch 121 is bright, and a period of time does not work, and is automatically read the angle that encoder shows by electric-control system, the encoder angular region of proximity switch bright light can be determined, the mid point of calculation code device bright light angular regions, is the dead-center position of loom main shaft angle, completes the automatic Calibration of loom main shaft angle.When the outline line of cam 108,108 ' is symmetrical, the mode of sensing chip 119 ' inductive proximity switch 121 ' also can be adopted to realize the demarcation of loom zero-bit, in practice, only a kind of mode need be selected to demarcate loom zero-bit.
Present invention eliminates main clutch-brake of the prior art, seek latitude clutch, slow train clutch, avoid clutch-brake produce fault; Eliminate V belt translation, avoid the band fracture defect caused because load is excessive.
Mair motor of the present invention adopts switched reluctance machines, can realize high instantaneous torque and play braking, can realize again fast, microinching and speed change weave; The demarcation of loom zero-bit is completed automatically by control system, improves automaticity.
The present invention has following features:
One be, wefting insertion gear 116 has two place circumferential notch N, K, pin hole P, Q when two places insert locking wefting insertion beating motion for contact pin 106, have a circular hole M, its center line and gear centre of gyration line meet at a bit, formation α angle;
Two be, motor gear axle 103 adopts deep groove ball bearing to be connected with piston 104, can relatively rotate, but can not relative movement, contact pin pilot hole R axis is parallel with mair motor Gear axis;
Three be, adopt in proximity switch perception weft insertion device and swing the method swinging part in part or beating-up mechanism, realize the automatic Calibration of loom main shaft zero degree position.

Claims (4)

1. the loom transmission that drives of a switched reluctance machines and loom position automatic calibration system, the motor stator (102) of described switched reluctance machines is fixed in frame (120), the mair motor gear shaft (103) that rotor (101) is bearing in frame (120) by bearing with one is connected, it is characterized in that: one end of this mair motor gear shaft (103) is connected with a piston (104) by bearing, this piston (104) and one is placed in the upper pilot hole (R) of frame (120) and moveable contact pin (106) is connected, make contact pin (106) form cylindrical pair with frame (120) to be connected, described piston (104) is placed in the piston cylinder (105) that is connected in frame (120), and forms cylindrical pair and connect, and piston (104) coordinates with contact pin (106), can laterally move, but can not rotate,
Described mair motor gear shaft (103) is engaged with the opening travelling gear (111) be connected on opening power transmission shaft (115) by shaft gear, opening power transmission shaft (115) is fixed with the armature (114) of opening brake by spring, the two ends of opening power transmission shaft (115) are connected with encoder (112) and shedding mechanism respectively, and coil (113) and the frame (120) of opening brake are connected; Described mair motor gear shaft (103) also by shaft gear be connected in the wefting insertion gear (116) that wefting insertion beats up on main shaft (107) and engage, two beating-up cams (108,108 ') are also fixed with on described wefting insertion beats up main shaft (107), this wefting insertion main shaft (107) that beats up is bearing in frame (120) by bearing, forms D revolute pair (D1); One wefting insertion space connecting-rod (117) one end is connected with wefting insertion gear (116) by bearing, form B cylindrical pair (B1), the other end is connected with swinging seat (118) by bearing, form C revolute pair (C1), swinging seat (118) is connected with frame (120) by bearing, forms A revolute pair (A1); The axis of movement of A revolute pair (A1), B cylindrical pair (B1), C revolute pair (C1), D revolute pair (D1) meets at a bit, wefting insertion gear (116), wefting insertion space connecting-rod (117), swinging seat (118) and frame (120) form space four bar linkage mechanism, become weft insertion device
A part;
One swing arm (109) of beating up is connected with two rollers (110,110 ') respectively by bearing, and form E revolute pair (E1) and F revolute pair (F1), swing arm of beating up (109) is bearing in frame (120) by bearing, formation H revolute pair (H1); Two rollers (110,110 ') contact with two beating-up cams (108,108 ') respectively; Two beating-up cams (108,108 '), swing arm of beating up (109), two rollers (110,110 ') and frames (120), form cam mechanism, become a part for beating-up mechanism;
One proximity switch (121) is fixed in frame (120), one end is facing to the sensing chip (119) be fixed on swinging seat (118), another proximity switch (121 ') is fixed in frame (120), and one end is facing to another sensing chip (119 ') be fixed in swing arm of beating up (109); Sensing chip (119) is arranged on that space connecting-rod (117) is near upper extreme position, namely loom main shaft is with this extreme position for benchmark rotates 45-55 ° forward or backward, and the lamp on proximity switch (121) is bright, otherwise does not work; Another sensing chip (119 ') is arranged near maximum radius vector that the roller (110) that forms E revolute pair (E1) is in the beating-up cam that contacts (108), namely loom main shaft with this extreme position for benchmark rotates 35-45 ° forward or backward, lamp on another proximity switch (121 ') is bright, otherwise does not work.
2. the loom transmission that drives of switched reluctance machines according to claim 1 and loom position automatic calibration system, it is characterized in that described mair motor gear shaft (103), rotor (101), motor stator (102) constitute switched reluctance machines, the armature (114) of described opening brake and the coil (113) of opening brake constitute opening brake; Described opening travelling gear (111) is equal with wefting insertion gear (116) number of teeth.
3. the loom transmission that switched reluctance machines drives according to claim 1 or 2 and loom position automatic calibration system, it is characterized in that described wefting insertion gear (116) being provided with two place's circumferential notches (N, K), two places for the pin hole (P, Q) during contact pin (106) insertion locking wefting insertion beating motion, also offer a circular hole (M), the centre of gyration line of its center line and wefting insertion gear (116) meets at a bit, forms α angle.
4. the loom transmission that switched reluctance machines drives according to claim 1 or 2 and loom position automatic calibration system, it is characterized in that described motor gear axle (103) adopts deep groove ball bearing to be connected with piston (104), can relatively rotate, but can not relative movement, contact pin pilot hole (R) axis is parallel with mair motor Gear axis.
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