The actuating unit of jacquard weaving machine
[technical field]
The utility model relates to a kind of actuating unit of jacquard weaving machine, is used for giving the jacquard weave tap with the loom transmission of power, belongs to jacquard weaving machine power transmission technical field.
[background technology]
Patent No. ZL201020294433.X discloses a kind of jacquard weave tap transmission device of high speed jet jacquard weaving machine, comprise loom main shaft, belt pulley, shaft coupling (horizontal universal drive shaft), (descending) jacquard weave tap transmission case, power shaft, output shaft, (the band universal joint) transmission vertical shaft, bearing, the wallboard of described bearing end and jacquard weaving machine is fixed, described jacquard weave tap transmission case is fixed on the bearing, be provided with a pair of angular wheel that is meshed in this jacquard weave tap transmission case, power shaft is held tightly with two angular wheels respectively with output shaft and is connected, described loom main shaft and belt pulley are rigidly connected, power shaft passes through active joint, shaft coupling and belt pulley are rigidly connected, output shaft is connected with transmission vertical shaft one end by active joint, and the described transmission vertical shaft other end is connected with the jacquard weave faucet device.
Furtherly, jacquard weave tap transmission device in the prior art also disposes jacquard weave tap transmission case and trunnion axis (all not drawing among the figure), last jacquard weave tap transmission case is to be installed on the bottom framework of jacquard weave tap, the described transmission vertical shaft other end (i.e. upper end universal joint) links to each other with the axle head that stretches out in jacquard weave tap transmission case below by active joint, and trunnion axis one end links to each other with the axle head that stretches out in the horizontal side of jacquard weave tap transmission case by shaft coupling, the trunnion axis other end then links to each other with final drive shaft one end of jacquard weave tap by another shaft coupling, by between the final drive shaft of jacquard weave tap and balance staff, eccentric wheel connecting rod mechanism being set, and griffe between frame and the balance staff elevating lever to be set at two groups, swing arm, the continuous gyration of jacquard weave tap final drive shaft could finally be converted into two groups of doing relatively reciprocating motion up and down of griffing.
Yet there is following weak point in this device:
1, transmission link is many, transmission efficiency is low: shaft coupling (horizontal universal drive shaft) is along with the gyration of loom main shaft is rotated together, be converted into the vertical gyration of transmission vertical shaft by (descending) jacquard weave tap transmission case, the transmission vertical shaft makes the final drive shaft of jacquard weave tap follow rotation together by the gyration that last jacquard weave tap transmission case is converted into trunnion axis again, and, two groups of doing relatively reciprocating motion up and down of griffing need be the swing of balance staff with the conversion of motion by the final drive shaft that the jacquard weave tap is set, therefore, the loom transmission of power gives the required power consumption of jacquard weave tap big.
2, the transmission vertical shaft that disposed last jacquard weave tap transmission case, has a universal joint occupied the jacquard weave tap the totle drilling cost price 15%; And in the totle drilling cost price of loom, disposed (descending) jacquard weave tap transmission case, shaft coupling (horizontal universal drive shaft) and also be occupy a certain proportion of, so for jacquard weaving machine with family, the equipment input cost is higher relatively.
3, installation is loaded down with trivial details: because the axle head of the final drive shaft of jacquard weave tap, trunnion axis and the horizontal side of last jacquard weave tap transmission case is that three axles link together, so need to solve the concentricity problem with the levelness of jacquard weave tap transmission case, trunnion axis and final drive shaft in the level meter adjustment, moreover, the levelness that also needs to regulate (descending) jacquard weave tap transmission case.
4, use, safeguard inconvenience: because high-order the last jacquard weave tap transmission case of installing operates under vibration operating mode, the hot environment, exist accelerate that oil sealing is aging, easy oil leakage and service life weak point deficiency, the operating cost height.
In view of above-mentioned analysis, existing transmission device is demanded urgently improving.
[utility model content]
The technical problems to be solved in the utility model be to overcome the deficiencies in the prior art and provide that a kind of deployment cost is low, drive mechanism is succinct, the actuating unit of power consumptive province, jacquard weaving machine convenient for installation and maintenance.
For solving the problems of the technologies described above, the utility model provides following technical scheme.
The actuating unit of jacquard weaving machine, comprise loom final drive shaft and jacquard weave tap main shaft, the loom final drive shaft can be set on the loom side continuously rotatably, jacquard weave tap main shaft is placed through on the jacquard weave tap wallboard, its improvement is also to comprise the deceleration transmission wheel of the same side that all is positioned at loom side and jacquard weave tap wallboard, connecting rod, described jacquard weave tap main shaft is swinging axle, the motion of loom final drive shaft is delivered on the deceleration transmission wheel, the lower end of described connecting rod is articulated in deceleration transmission and takes turns on the eccentric orfice of offering, and its upper end is hinged with the connecting rod swing arm that is fixedly connected on the jacquard weave tap main shaft.
Above-mentioned deceleration transmission wheel is installed on the minor axis, minor axis is by the pair of bearing supporting that is installed on the footing seat, and the setting height(from bottom) of minor axis is higher than the loom final drive shaft, above-mentioned deceleration transmission wheel is the deceleration transmission belt wheel, is in transmission connection by driving belt between the main transmission belt wheel of installing on itself and the loom final drive shaft.
Above-mentioned deceleration transmission wheel is installed on the minor axis, minor axis is by the pair of bearing supporting that is installed on the footing seat, and the setting height(from bottom) of minor axis is higher than the loom final drive shaft, above-mentioned deceleration transmission wheel is the deceleration transmission sprocket wheel, is in transmission connection by chain between the sprocket for main drive of installing on itself and the loom final drive shaft.
The gearratio of above-mentioned main transmission belt wheel and deceleration transmission belt wheel is 2: 1.
The gearratio of above-mentioned sprocket for main drive and deceleration transmission sprocket wheel is 2: 1.
Above-mentioned minor axis is for the fixedly connected gyroaxis of deceleration transmission belt wheel at the one end.
Above-mentioned minor axis is mandrel, and above-mentioned deceleration transmission sprocket wheel is big bearing to be housed for the deceleration transmission sprocket wheel of mandrel one end bearing.
Above-mentioned jacquard weave tap main shaft passes jacquard weave tap wallboard and forms long revealed section, and above-mentioned connecting rod swing arm is fixedly connected on this revealed section, and this revealed section is then supported by the bearing bracket.
After leading its revealed section of main shaft of long jacquard weave is supported by the bearing bracket, can eliminate the cantilever position of the leading main shaft of jacquard weave, the connecting rod swing arm swing is steadily moved transmission reliably.
The utlity model has following advantage and beneficial effect:
Cancellation to be to save shaft coupling of the prior art (horizontal universal drive shaft), (descending) jacquard weave tap transmission case, go up jacquard weave tap transmission case, trunnion axis, jacquard weave tap final drive shaft (gyroaxis) and supporting shaft joint, to be connected clamp ring and active joint, makes the cost reduction significantly in pairs of the leading and loom of jacquard weave.Wherein, universal vertical shaft is then substituted by connecting rod with low cost.The loom final drive shaft carries out deceleration transmission by main driving wheel and deceleration transmission wheel, and the eccentric orfice of offering at the deceleration transmission wheel dexterously is used for for rod hinge connection, directly drive jacquard weave tap main shaft reciprocally swinging by connecting rod and connecting rod swing arm, and the reciprocally swinging of jacquard weave tap main shaft makes and finally is achieved known needed motion transmission of jacquard, as drive elevating lever pump (it is by being fixed in the realization that is connected of double end swing arm and elevating lever on the swing type jacquard weave tap main shaft that elevating lever pumps), and pass to and griffe the swing up and down reciprocatingly of swing arm, and then pass to two groups of pumping each other of griffing, namely realize and satisfy the harness motion of jacquard.The package unit transmission link is few, driven loads is little, the resistance of motion is little thereby transmission efficiency is high, power consumption reduces significantly, and the utility model transmission of power power consumption is economized, and the jacquard weaving machine operating cost that is equipped with this device is low.
Jacquard weave tap main shaft is whole axle (need not connect by many axles), install simple, the level that only needs to regulate this gets final product, and need not install loaded down with trivial details as prior art, need to regulate the levelness that goes up jacquard weave tap transmission case, trunnion axis, and the levelness of (descending) jacquard weave tap transmission case, also do not exist jacquard weave tap transmission case need regularly replace short problem of gear oil, easy oil leakage and service life.
The deceleration transmission wheel can be realized deceleration, has the eccentric wheel effect again, a thing dual-purpose.
[description of drawings]
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the stereogram of the actuating unit of the utility model jacquard weaving machine;
Fig. 2 is the stereogram of another angle of the utility model.
[specific embodiment]
Embodiment 1
Please refer to Fig. 1, shown in 2, the actuating unit of jacquard weaving machine, comprise loom final drive shaft 1, jacquard weave tap main shaft 2 and all be positioned at loom side and the deceleration transmission wheel 41 of the same side of jacquard weave tap wallboard, connecting rod 6 is (among the figure, deceleration transmission wheel 41, connecting rod 6 all is positioned at the right outside of loom side and jacquard weave tap wallboard), loom final drive shaft 1 can be set on the loom side continuously rotatably, jacquard weave tap main shaft 2 is placed through on the jacquard weave tap wallboard, jacquard weave tap main shaft 2 is swinging axle, 1 motion of loom final drive shaft is delivered on the deceleration transmission wheel 41, the lower end of connecting rod 6 is articulated on deceleration transmission wheel 41 eccentric orfices of offering 410, and its upper end is hinged with the connecting rod swing arm 7 that is fixedly connected on the jacquard weave tap main shaft 2.
Loom side is made up of left wallboard and right wallboard M1.In the drawings, loom final drive shaft 1 right external part passes outside the right wallboard M1, and for flywheel F, main driving wheel 3 are installed respectively, in order to improve the rotary stability of loom final drive shaft 1 right external part, the bearing block 10 that holds by tape spool supports.The continuous rotary power of loom final drive shaft 1 drives flywheel F by main motor (not shown) and realizes that certainly, flywheel F can also be loaded on the left end of loom final drive shaft 1, and at this moment, the left end of loom final drive shaft 1 passes outside the above-mentioned left wallboard.
In the prior art, jacquard weave tap wallboard also is made up of left wallboard and right wallboard M2, and left wallboard and right wallboard M2 are installed on the bottom framework of jacquard weave tap.
Jacquard weave tap main shaft 2 be the whole piece axle, and it passes, and to form long revealed section 21 behind the right wallboard M2 fixedly connected for connecting rod swing arm 7, and this revealed section 21 is by 20 supportings of bearing bracket, and bearing bracket 20 is installed on the end of supporting revealed section 21 behind the bottom framework.
In the present embodiment, minor axis 4 is gyroaxises, and deceleration transmission wheel 41 is the deceleration transmission belt wheel.The deceleration transmission belt wheel is installed on the minor axis 4, the left end of minor axis shown in the figure 4 and deceleration transmission belt wheel are tight fit, minor axis 4 is by pair of bearing 40 supportings that are installed on the footing seat G, specifically by this bearing supporting to bearing block, footing seat G is fixed on the ground reliably, such as being cast in ground by cement, the setting height(from bottom) of minor axis 4 is higher than the setting height(from bottom) of loom final drive shaft 1.Be in transmission connection by driving belt 5 between the main driving wheel of installing on deceleration transmission belt wheel and the loom final drive shaft 13, main driving wheel 3 is the main transmission belt wheel, and driving belt 5 can be synchronous cog belt.
Minor axis 4 is designed to gyroaxis, by pair of bearing 40 supportings, so can improve this to the service life of bearing block 40 middle (center) bearings.
During concrete enforcement, for strengthening the reliability of footing seat G, footing seat G is fixedlyed connected with right wallboard M1 by stull shelves G1; The projection of the extended line of minor axis 4 its axial lines and the axial line of loom final drive shaft 1 are roughly overlapping, the axial line of minor axis 4 is 0.8m apart from the axial line of loom final drive shaft 1, the length of connecting rod is 1.8m, and the gearratio of main transmission belt wheel and deceleration transmission belt wheel is 2: 1.
Embodiment 2
Present embodiment is compared with front embodiment, its difference is: main driving wheel 3, deceleration transmission wheel 41 are respectively sprocket for main drive, deceleration transmission sprocket wheel, driving belt 5 replaces with chain, the gearratio of sprocket for main drive and deceleration transmission sprocket wheel is 2: 1, minor axis 4 is mandrel, the deceleration transmission sprocket wheel is provided with big bearing, and the best is in pairs big bearing, mandrel left end and big brearing bore tight fit.