A kind of high servo balance electronic jacquard
Technical field
The present invention is applicable to technical field of textile machine, relates to a kind of high servo balance electronic jacquard
Background technology
Jacquard is in textile industry extensive use, and people are more and more higher with the expectation demand of big design, high quality fabric to the textiles pattern; So far enterprise is made in the weaving of most family, and loom is still in traditional mechanical jacquard weave, electronic dobby machine jacquard weave, arrow shaft, gripper shuttle loom jacquard weave, and ubiquity productivity ratio is low, is difficult to satisfy the demand of people to the home textile product of weaving big shape color pattern and high-quality.The scrap build that enterprise's urgent need is made conventional industries to family's weaving is made in the weaving of most at present family, because external like product exists price height and maintenance cost height; Domestic mechanism for electronic jacquard opening design, reliability, stability are difficult to external like product on year-on-year basis, and the applicant is that " high-speed dynamic-balance electronic jacquard machine " structure of 200910155246.5 is in application in 2009 and disclosed application number: combine shedding mechanism, elevating movement buffer gear, shed open and needle selection balance adjusting device by coordinate formula gear drive mounts, elevating movement choosing and form.Wherein, the comprehensive shedding mechanism of described elevating movement choosing, elevating movement buffer gear and shed open and needle selection balance adjusting device all are fixed on the coordinate formula gear drive mounts.This structure is improved on production efficiency, but also can break down under running up, and restriction does not have shuttle jacquard weaving machine production efficiency at a high speed.
Do not have the requirement of shuttle jacquard weaving machine production efficiency in order to solve at a high speed, the dynamic balance problem that must improve mechanism for electronic jacquard opening improves the opening frequency.
Summary of the invention
In order to solve the technical problem of above-mentioned raising loom production efficiency, the invention provides a kind of high servo balance electronic jacquard of high efficiency production.
Technical scheme of the present invention is as follows:
A kind of high servo balance electronic jacquard, comprise forebay and afer bay, forebay is fixedlyed connected with both sides girder steel plate by base plate with afer bay, the forebay of the left and right sides and afer bay are respectively established two cover eccentric wheel rocking arm elevating mechanisms, respectively establish a cover between mmi machine frame and the afer bay in order to internally to griffe crane and griffe crane increase power and reduce the lifting power-assisted buffer gear of load outward, connect a blower fan frame between the girder steel plate, be provided with a cover choosing between forebay and the afer bay and combine case, organism bottom is provided with four height adjusters, left side forebay eccentric wheel rocking arm elevating mechanism is connected with the eccentric wheel rocking arm elevating mechanism of right side symmetry, before the both sides, the eccentric wheel rocking arm elevating mechanism of back symmetry is by two groups of driving-chain synchronous interactions, thereby griffes crane and griffe the crane interlock outward and griffe to carry out the lifting choosing and combine and move in the drive.
As preferably, described lifting power-assisted buffer gear is located at two girder steel plate centre positions of forebay and afer bay; Lifting power-assisted buffer gear comprises spring base, power assistant spring, sprocket holder, sprocket wheel B, chain, described sprocket holder and spring base are located on the girder steel plate, power assistant spring has been installed on spring base, sprocket holder has been installed above power assistant spring, on sprocket holder, be provided with sprocket wheel B, on sprocket wheel B, be provided with chain, the chain two ends respectively with interior griffe crane with griffe crane outward and be connected, these settings are the time to provide some power in order to griffe crane inside and outside giving in work, reduce the load of equipment.
As preferably, described lifting power-assisted buffer gear also comprises the axis of guide, line slideway, and described line slideway comprises two guide rail brackets, four single mandrel B, eight cylinder roller bearings; Guide rail bracket mounts elastically; the chain two ends are connected with two axis of guides; two axis of guides insert line slideway, spring base respectively and pass the power assistant spring center simultaneously; two axis of guide lower ends respectively with interior griffe crane with griffe crane outward and be connected; line slideway is for chain etc. safeguard measure to be arranged all; and guarantee the track of normal operation, safe.
As preferably, described chain is adjusted joint by chain and is connected with the axis of guide.
As preferably; Described eccentric wheel radial up-down mechanism comprises power shaft; Driven shaft; A pair of large eccentricity wheel; A pair of small eccentricity wheel; A pair of front rod; A pair of back link; Rocking arm before and after two pairs; Four balance adjustment connecting rods; In griffe the frame crane; Griffe crane outward; Griffe; Pair of sprocket A; Driving chain and shaft coupling; A pair of taper roll bearing is installed on described forebay; Endoporus at a pair of taper roll bearing is installed power shaft; Stretch out the forebay outside at power shaft and be provided with sprocket wheel A and shaft coupling; Be provided with a pair of large eccentricity wheel in the middle of power shaft; The large eccentricity wheel is provided with deep groove ball bearing and a pair of front rod coupling; A pair of rocking arm is arranged on forebay upper mandrel A; A pair of rocking arm middle part is connected with front rod; The rocking arm front portion is provided with at least two with coconnected hole slot; A pair of balance adjustment connecting rod respectively is installed on hole slot; Balance adjustment connecting rod middle part is provided with in order to adjustment griffes to select comprehensive balanced regulating screw; A pair of balance adjustment connecting rod downside with one pair in griffe crane be connected to griffe crane and be connected; A pair of taper roll bearing is installed on described afer bay; Endoporus at a pair of taper roll bearing is installed driven shaft; Stretch out the afer bay outside at driven shaft and be provided with sprocket wheel A; Be provided with a pair of small eccentricity wheel in the middle of driven shaft; The small eccentricity wheel is provided with deep groove ball bearing and a pair of back link coupling; A pair of rocking arm is arranged on afer bay upper mandrel A; A pair of rocking arm middle part is connected with back link; The rocking arm front portion is provided with at least two with coconnected hole slot; A pair of balance adjustment connecting rod respectively is installed on hole slot; Balance adjustment connecting rod middle part is provided with in order to adjustment griffes to select comprehensive balanced regulating screw; A pair of balance adjustment connecting rod downside with one pair in griffe crane be connected to griffe crane and be connected; Convert vertical lift to by rocking arm and balance adjustment connecting rod; Griffe crane in interlock; That griffes outward in crane to be provided with griffes, and by griffing to combine case in choosing, carries out reciprocal elevating movement.
As preferably, described left side forebay eccentric wheel rocking arm elevating mechanism is connected with the eccentric wheel rocking arm elevating mechanism of right side symmetry by power shaft, the universal drive shaft that is provided with.
The present invention compared with prior art has following useful effect:
Adopt eccentric wheel rocking arm elevating mechanism: dwindle eccentric throw, reduce mechanical oscillation; The front and back eccentric ratio is connected the rocking arm middle part, forms top power in the running and makes the complete machine running more steady; The rocking arm link balance is regulated connecting rod and is converted vertical lift to, and the frictional resistance that alleviates line slideway and axis of guide lifting reduces the wearing and tearing of guide rail simultaneously.
Adopt the power-assisted buffer gear: alleviate Inner and griffe the load of crane outward, simultaneously also alleviate mechanical movement and arm of force load, reduced reciprocal shock loading, corresponding raising complete machine opening frequency, improve the productivity ratio of weaving cotton cloth thereby make complete machine improve transmission speed, make complete machine be able to reliable assurance service life.
Adopt line slideway: controlled and griffed rocking of crane motion and make lifting action steady, alleviated and griffe and select the wearing and tearing of combining the case guide rail.
Description of drawings
Fig. 1 is the structural representation of high servo balance electronic jacquard of the present invention;
Fig. 2 is the structural representation of eccentric wheel rocking arm elevating mechanism of the present invention;
Fig. 3 is the sectional structure schematic diagram of high servo balance electronic jacquard of the present invention;
Fig. 4 is the A-A sectional structure schematic diagram of high servo balance electronic jacquard of the present invention;
Fig. 5 is a lifting power-assisted buffer gear structural representation of the present invention;
Fig. 6 linear guide rail structure schematic diagram of the present invention.
Fig. 1, forebay; 2, eccentric wheel rocking arm elevating mechanism; 3, base plate; 4, girder steel plate; 5, afer bay; 6, power-assisted buffer gear; 7, blower fan frame; 8, universal drive shaft; 9, support girder steel; 10, case is combined in choosing; 11, height adjuster; 12, power shaft; 13, shaft coupling; 14, sprocket wheel A; 15, driving chain; 16, small eccentricity wheel; 17, driven shaft; 18, back link; 19, large eccentricity wheel; 20, front rod; 21, axle A; 22, rocking arm; 23, balance adjustment connecting rod; 24, griffe crane in; 25, griffe crane outward; 26, griffe; 27, balanced regulating screw; 28, hole slot; 30, taper roll bearing; 31, deep groove ball bearing; 32, the axis of guide; 33, line slideway; 34, spring base; 35, chain is adjusted joint; 36, power assistant spring; 37, sprocket holder; 38, sprocket wheel B; 39, chain; 40, guide rail bracket; 41, axle B; 42, cylinder roller bearing.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of high servo balance electronic jacquard, comprise forebay 1 and afer bay 5, forebay 1 is fixedlyed connected with both sides girder steel plate 4 by base plate 3 with afer bay 5, the forebay 1 of the left and right sides and afer bay 5 are respectively established two cover eccentric wheel rocking arm elevating mechanisms 2, respectively establish a cover between mmi machine frame 1 and the afer bay 5 in order to internally to griffe crane 24 and griffe crane 25 increase power and reduce the lifting power-assisted buffer gear 6 of load outward, connect a blower fan frame 7 between the girder steel plate 4 that machine frame at two sides is provided with, be provided with a cover choosing between forebay 1 and the afer bay 5 and combine case 10, organism bottom is provided with four height adjusters 11, left side forebay 1 eccentric wheel rocking arm elevating mechanism 2 is connected with the eccentric wheel rocking arm elevating mechanism 2 of right side symmetry, before the both sides, the eccentric wheel rocking arm elevating mechanism 2 of back symmetry is by two groups of driving-chain 15 synchronous interactions, thereby griffe crane 24 and griffe crane 25 interlock outward and griffe 26 to carry out the lifting choosing and combine motion in the drive, adopted the structural design of large rectangle interlock body, knitted the requirement of the complicated color pattern of large needle number to satisfy line.
Shown in Fig. 1,4 and 5, described lifting power-assisted buffer gear 6 is located at two girder steel plate 4 centre positions of forebay 1 and afer bay 5; Lifting power-assisted buffer gear 6 comprises spring base 34, power assistant spring 36, sprocket holder 37, sprocket wheel B38, chain 39, described sprocket holder 37 and spring base 34 are located on the girder steel plate 4, power assistant spring 36 has been installed on spring base 34, sprocket holder 37 has been installed above power assistant spring 36, on sprocket holder 37, be provided with sprocket wheel B38, on sprocket wheel B38, be provided with chain 39, chain 39 two ends respectively with interior griffe crane 24 with griffe crane 25 outward and be connected.
Shown in Fig. 1,4,5 and 6, described lifting power-assisted buffer gear 6 also comprises the axis of guide 32, line slideway 33, and described line slideway 33 comprises two guide rail brackets 40, four single mandrel 41, eight cylinder roller bearings 42; Guide rail bracket 40 is installed on the spring base 34, chain 39 two ends are connected with two axis of guides 32, two axis of guides 32 insert line slideway 33 respectively, spring base 34 passes power assistant spring 36 centers simultaneously, two axis of guide 32 lower ends respectively with interior griffe crane 24 with griffe crane 25 outward and be connected, griffe crane 24 and griffe on the crane 25 load outward and can pass to chain 39 thus by two axis of guides 32, sprocket wheel 38, chain wheel support 37 and power assistant spring 36 are come the power-assisted supporting, as shown in Figure 5, described chain 39 is adjusted joint 35 by chain and is connected with the axis of guide 32, and the size of power-assisted is provided with chain adjustment joint 35 by two axis of guide 32 upper ends and regulates the power-assisted size.
As Fig. 1; 2; Shown in 3 and 4; Described eccentric wheel radial up-down mechanism 2 comprises power shaft 12; Driven shaft 17; A pair of large eccentricity wheel 19; A pair of small eccentricity wheel 16; A pair of front rod 20; A pair of back link 18; Rocking arm 22 before and after two pairs; Four balance adjustment connecting rods 23; In griffe frame crane 24; Griffe crane 25 outward; Griffe 26; Pair of sprocket A14; Driving chain 15 and shaft coupling 13; A pair of tapered roller bearing 30 is installed on described forebay 1; Endoporus at a pair of tapered roller bearing 30 is installed power shaft 12; Stretch out forebay 1 outside at power shaft 12 and be provided with sprocket wheel A14 and shaft coupling 13; Be provided with a pair of large eccentricity wheel 19 in the middle of power shaft 12; Large eccentricity wheel 19 is provided with deep groove ball bearing 31 and a pair of front rod 20 couplings; A pair of rocking arm 22 is arranged on forebay 1 upper mandrel 21; A pair of rocking arm 22 middle parts are connected with front rod 20; Rocking arm 22 front portions are provided with the hole slot 28 of eight connections; A pair of balance adjustment connecting rod 23 respectively is installed on hole slot 28; Balance adjustment connecting rod 23 middle parts are provided with in order to adjustment and griffe the balanced regulating screws 27 that 26 choosings combine; A pair of balance adjustment connecting rod 23 downsides with one pair in griffe crane 24 be connected to griffe crane 25 and be connected; A pair of tapered roller bearing 30 is installed on described afer bay 5; Endoporus at a pair of tapered roller bearing 30 is installed driven shaft 17; Stretch out afer bay 5 outsides at driven shaft 17 and be provided with sprocket wheel A14; Be provided with a pair of small eccentricity wheel 16 in the middle of driven shaft 17; Small eccentricity wheel 16 is provided with deep groove ball bearing 31 and a pair of back link 18 couplings; A pair of rocking arm 22 is arranged on afer bay 5 upper mandrel 21; A pair of rocking arm 22 middle parts are connected with back link 18; Rocking arm 22 front portions are provided with the hole slot 28 of eight connections; A pair of balance adjustment connecting rod 23 respectively is installed on hole slot 28; Balance adjustment connecting rod 23 is positioned the position of hole slot 28 can adjust the loom openings of sizes; Balance adjustment connecting rod 23 middle parts are provided with in order to adjustment and griffe the balanced regulating screws 27 that 26 choosings combine; A pair of balance adjustment connecting rod 23 downsides with one pair in griffe crane 24 be connected to griffe crane 25 and be connected; Convert vertical lift to by rocking arm 22 and balance adjustment connecting rod 23; Griffe crane 24 in interlock; That griffes outward in crane 25 to be provided with griffes 26,26 combines case 10 in choosing and carries out reciprocal elevating movement by griffing.
As shown in Figure 1, described left side forebay 1 eccentric wheel rocking arm elevating mechanism 6 is connected with the eccentric wheel rocking arm elevating mechanism 6 of right side symmetry by power shaft 12, the universal drive shaft 8 that is provided with.
As illustrated in fig. 1 and 2, during use, described eccentric wheel rocking arm elevating mechanism 2, by the loom transmission, drive the shaft coupling 13 on the forebay 1 of left side, sprocket wheel A14 and power shaft 12, be transferred to the driven shaft 17 that afer bay 5 is provided with by driving chain 15, sprocket wheel A14 rotates, like this, back eccentric wheel rocking arm elevating mechanism 2 also run-in synchronisms, thereby griffe crane 24 and griffe crane 25 interlock outward and griffe 26 to carry out elevating movement in having driven, in the realization, griffing 26 lifting propareas outward is big opening, the back zone is the requirement of little opening, since in griffe crane 24 and griffe crane 25 outward and be provided with and griffe 26, especially the jacquard weave of big line pin need increase griffes 26 more, complete machine lifting load also increases relatively, therefore respectively set up a cover straight line lifting power-assisted buffer gear 6 at the machine frame at two sides center and griffe to griffe outside crane 24 and two groups crane 25 linkages from top to bottom in respectively by two groups, outside two groups, griffe on the crane 25 when griffing the crane 24 harness cord pulling force that loom is relevant will descend the time in two groups, thereby two groups of rising are griffed crane 25 outward to be promoted and has increased auxiliary force, effectively reduced the impulsive force of load inequality in the reciprocal elevating movement, the realizable force balance lifting, alleviate mechanical movement and arm of force load, be more suitable for big load, heavily spend the production of shape, make complete machine be able to reliable assurance service life, thereby and improve the production efficiency of weaving cotton cloth.