A kind of shedding selection mechanism help absorbing method and device
Technical field
The present invention relates to the electronic jacquard machine parts, electromagnetic valve carries through parts in particularly a kind of shedding selection mechanism
Background technology
In field of textiles, fabric has warp and parallel braiding to form usually.On loom, must realize that alternately variation is two-layer about being divided into warp according to certain rules, the passage that formation is passed through parallel, opening just, after parallel was introduced opening, two-layer warp formed new shedding according to fabric tissue method alternatively up and down position, like this repeatedly, just finish the weaving process of fabric.The formation of shedding is that shedding selection mechanism is finished, and is step most crucial in the textile technology.Shedding mechanism must adapt to the needs of modern textile diversification of varieties and high-speed production, and should have simple in structure, dependable performance, easy to adjust and management characteristics with unified, simultaneously, need reach that opening is clear, opening forms requirements such as " scissors shape ", warp friction and tension force are little.
Utilize the adhesive of electromagnetic valve to mention the knitting needle that to mention in the existing electronic jacquard machine,, have both above characteristics simultaneously to reach the purpose that forms shedding.
For example, publication number is CN1498995A, denomination of invention discloses a kind of kindred organization for the Chinese invention patent of " loom that shed open forms mechanism and equips this mechanism ", it is provided with the body that includes a pallet and the mobile hooks of metal shank, curved end by metal shank upper end when moving up overcomes spring thrust and adsorbs an additional boosting power that keeps bar to keeping bar to apply one when electromagnet is activated, be and help the suction structure.Help and inhale the active force that structure helps reducing electromagnet absorption maintenance bar,, reduce the technology cost so that can use lower-powered electromagnet.And when using up to ten thousand electromagnet in the large-scale jacquard, also can save a large amount of electric power.
Disclosed in the above-mentioned file that is cited several structures different help the suction mode, the i.e. mode shown in accompanying drawing 2, accompanying drawing 5 and the accompanying drawing 6 wherein, it all is to be in free movement state in electromagnet mobile hooks when activating, electromagnet mobile hooks when not activating is in suspended state, thereby reaches the purpose of the knitting needle that selection need mention.This device also has room for improvement at aspects such as simple structure degree, operation stabilities, and cost is higher.
Summary of the invention
The invention provides different absorption-asssisting equipment and the methods of structure a kind of and the file record of being cited, reach the purpose of identical formation shedding, and possess structure more advantages of simple, characteristics that operation stability is high simultaneously.Concrete technical scheme is as follows:
A kind of absorption-asssisting equipment of shedding selection mechanism, comprise housing, be arranged on electromagnet, two swing hooks that are separately positioned on described electromagnet both sides of enclosure interior upper end, and two carrying of in described housing, moving up and down through hook, the outside, described swing hook lower end is the inclined-plane that tilts to the inside, and inboard, described swing hook lower end is provided with hook; Described carrying through hook upper end bifurcated is inboard hook and outside boosting arm; Described outside boosting arm closely contacts with described inclined-plane, and described swing hook is optionally hung up and separated with described carrying through hook.
Further, described swing hook upper end is provided with circular hole, is provided with the circular shaft of projection in the described housing, and described circular hole encapsulation is on described circular shaft.
Further, described electromagnet lower end is provided with suction nozzle; Described swing hook and described suction nozzle corresponding position are steel part; Described swing hook middle and lower part is connected with housing by horizontal back-moving spring.
Further, described carrying stretched out housing through the hook outside and is provided with the extension arm, hangs arm and hangs on the needle bar that drives by mechanical external force.
Further, described carrying through the hook lower end is connected with chain wheel rope, and the chain wheel rope other end is connected with return spring by assembly pulley.Carry in being hooked in housing to lower slider by the pulling force pulling that return spring is downward.
Preferably, described outside boosting arm is that elastomeric material is made and had an ABRASION RESISTANCE.
Further, described enclosure interior is provided with guide pile in the described swing hook outside; Described enclosure interior is provided with boss, cylinder, guide rail groove and the isolation channel that adapts with aforementioned each internal part structure.
A kind ofly help absorbing method by what the described absorption-asssisting equipment of aforementioned claim was finished, promote described needle bar and drive described carrying to move upward by mechanical external force through hook, described outside boosting arm upwards slides, produce a boosting power (F1) that is applied on the described swing hook when promoting described inclined-plane, make described swing hook move and touch to described suction nozzle; If described electromagnet energising produces magnetic force (F2), firmly attract described swing hook by described suction nozzle; This moment is described to be carried through hook descendingly, just hangs up on described swing hook.
The present invention adopts carrying through hook and swing hook structure unlike the prior art, make to carry and to finish carrying of needing through operation through hook, and when electromagnet energising and no power, make to carry to reach and the antipodal active state of prior art, finish the process that shedding is selected formation through hook; Simultaneously, soft flocks and contamination by dust that the outside boosting arm outside being arranged on helps the barrier external world enter, and reduce and propose the wearing and tearing that contact with swing hook through hook, improve service life.Structure of the present invention is more reasonable, and processing technology is simple, and the operation stability height has lowered production and machine maintenance cost, has saved electric power, has the prospect that promotes the use greatly.
Description of drawings
Fig. 1 is an apparatus structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing to structure of the present invention with help and inhale principle and be described further.
As shown in Figure 1, a kind of absorption-asssisting equipment of shedding selection mechanism, left side swing hook 3 that comprise housing 1, be arranged on the electromagnet 2 of housing 1 inner upper end, two activities is fixed on electromagnet 2 both sides and right side swing hook 4 and two left sides that move up and down in housing 1 inboard are carried through hook 5 and right side and being carried through hook 6; Swing hook 3 outsides, left side are to the inclined-plane, left side 7 of the inboard inclination of housing, and the outside, right side swing hook 4 lower ends is the inclined-plane, right side 8 that tilts to housing; Swing hook 3 lower ends, left side are provided with left side hook 9 to the inside, and swing hook 4 lower ends in right side are provided with right side hook 10 to the inside; The right side is carried through hook 6 upper end bifurcateds and is inboard hook 11 and outside boosting arm 12, and the left side is carried having with the right side through hook 5 and carried through the inverse structure of hook 6 along the center line symmetry; Outside boosting arm 12 closely contacts with inclined-plane 8, and right side hook 10 is optionally hung up with inboard hook 11 and separated.
Electromagnet 2 lower ends are provided with suction nozzle 13, and left side swing hook 3 and right side swing hook 4 are armature with the suction nozzle corresponding position, are made by steel.In fact, whole swing hook all can be steel part and makes.
Swing hook 3 upper ends, left side are left side circular hole 22, are fixed on housing 1 inside by 14 activities of left side circular shaft, and swing hook 4 upper ends in right side are right side circular hole 23, are fixed on housing 1 inside by 15 activities of right side circular shaft; Left side swing hook 3 and right side swing hook 4 middle parts are near suction nozzle 13, and the bottom is connected with housing 1 by horizontal back-moving spring 16 respectively.
The right side is carried and is stretched out housing 1 through hook 6 outsides and be provided with and hang arm 17, hangs arm 17 and hangs on the needle bar 18 that drives by mechanical external force, and needle bar 18 promotes right sides and carries through hook 6 and moving up and down in housing 1.
The right side is carried through hook 6 lower ends and is connected with chain wheel rope 19, and chain wheel rope 19 other ends are by assembly pulley, and assembly pulley is connected with steel and combines, and steel is combined and is connected with return spring, by the downward pulling force pulling right side of return spring carry through hook 6 in housing 1 to lower slider.Accompanying drawing middle pulley group and return spring omit, and be identical with the mode of using in the patent that is cited.
Swing hook 4 outsides in right side are provided with right positioner stake 20, swing hook 3 outsides, left side are provided with left positioner stake 21, right positioner stake 20 and left positioner stake 21 are used for preventing right side swing hook 4 and left side swing hook 3 amplitude of fluctuation are excessive laterally, to such an extent as to can not close with carrying through hook.
Outside boosting arm 12 has elasticity, helps contacting the inclined-plane 8 of swing hook 4 when up, infers swing hook 4 near electromagnet 2 suction nozzles.
Housing 1 inside is provided with boss, cylinder, guide rail groove and the isolation channel that adapts with aforementioned each modular construction, when guaranteeing each parts close positioning, carries on the left of preventing through hook 5 and right side and propose the soft flocks pollution that produces when hook 6 moves.
The present invention put down in writing carries and comprises through hook that the left side is carried through hook 5 and right side and carry through hook 6 that both have along the inverse structure of center line symmetry, and the swing hook of being put down in writing comprises left side swing hook 3 and right side swing hook 4, and both have along the inverse structure of center line symmetry.
The operation principle of the absorption-asssisting equipment of shedding selection mechanism of the present invention is as follows, and the motion of carrying through hook 6 with the right side is an example, and the left side is carried through the motion of hook 5 identical with it.As follows:
(1) promotes needle bar 18 by external force and drives the right side to carry through hook 6 and moving upward, apply a boosting power F1 who points to side direction in the housing 1 for when outside boosting arm 12 upwards slips over inclined-plane 8, right side right side swing hook 4, make right side swing hook 4 side direction swing in housing 1, and with the right-hand member adhesive of suction nozzle 13;
(2) at this moment, if electromagnet 2 energisings then produce magnetic force F2, attract right side swing hook 4 by suction nozzle 13; Carry through bar 18 descending, return spring is carried through hook 6 pulling downwards the right side descending by chain wheel rope 19, right side hook 10 and inboard hook 11 are hung up, and carry through bar 18 disengaging right sides and carrying through hook 6, and the right side is carried through hook 6 and is in suspended state (left side is put forward through hook 5 residing states in suspended state such as the accompanying drawing 1);
(3) at this moment, if electromagnet 2 no powers then do not produce magnetic force F2, then right side swing hook 4 can not held by suction nozzle 13; Carry through bar 18 descending, then return spring is carried through hook 6 pullings the right side descending, the be reset elastic force F3 of spring 16 of right side swing hook 4 pushes open, right side hook 10 separates with inboard hook 11 dislocation, the right side is carried through hook 6 and is continued to move downward, and boosting power F1 fades away, and the elastic force F3 of back-moving spring 16 carries the right side through hook 6 and pushes open to housing 1 lateral direction, the right side is carried through hook 6 and 4 dislocation of right side swing hook, and the right side is carried and can be continued descending through hook 6 descending not hooking.
(4) when the right side was carried through hook 6 place suspended states, the right side was carried through hook 6 and being moved upward for the second time, if electromagnet 2 is still switched on, then the right side is carried through hook 6 and still is in suspended state; If electromagnet 2 no powers, then magnetic force F2 disappears, and boosting power F1 fades away, and the elastic force F3 of back-moving spring 16 pushes right side swing hook 4 open to housing 1 lateral direction, and the right side is carried and is in free movement state through hook 6 and continues to move downward; And so forth.
The invention is not restricted to carry the hang-up and the freely-movable state that will form through the hook motion, all fall within the scope that the present invention asks for protection by carrying through the identical absorption-asssisting equipment of the structure of hook and the swing hook device that helps absorbing method to realize that shedding forms identical with utilization with the present invention's record.