CN104060394B - Nook closing member bed motion controls cam - Google Patents

Abstract

The invention belongs to warp knitting machine component technology field, the nook closing member bed motion being specifically related to multi-bar warp knitting machine controls cam, comprise wheel disc, with the axle journal of wheel disc one, axle journal connects camshaft, wheel disc outer peripheral face is the outer motion cycle curved surface of control flume needle-bar shuttling movement, wheel disc is provided with interior motion cycle curved surface relative to the another side of axle journal, described outer motion cycle curved surface and interior motion cycle curved surface are by quick ascending motion section, ascending motion section at a slow speed, idle periods, descending at slow speed motor segment and quick descending motion section are formed, interior motion cycle curved surface is biased to axis hole axis direction at the junction surface of quick ascending motion section and quick descending motion section, with outer motion cycle curved surface not conjugation, this cam structure compact and reasonable, when control flume needle-bar shuttling movement, motion is more steady, motion amplitude is moderate, greatly improve the quality of braided fabric, anti-strain ability is strong, enhance productivity, reduce maintenance cost.

Description

Nook closing member bed motion controls cam

Technical field

The invention belongs to warp knitting machine component technology field, the nook closing member bed motion being specifically related to multi-bar warp knitting machine controls cam.

Background technology

The process that multi-bar warp knitting machine completes braided fabric braiding flower pattern mainly comprises and moves pin pitch of the laps, needle back and overlap, lopping, knocking over and traversing etc. programs, and above-described knitting program needs nook closing member bed motion to control cam and head cam and work bar cam etc. just can complete in conjunction with the orderly interaction in good time of miscellaneous part, nook closing member bed motion controls cam and mainly relies on the design feature of its outer peripheral face control nook closing member bed to do shuttling movement, nook closing member bed motion controls the different motion state of the corresponding nook closing member bed of different structure of cam production curved surface, the quality of situation on braided fabric of nook closing member bed motion has important impact, so the quality of the structure of cam on braided fabric has very important impact, existing nook closing member bed motion control its outer motion cycle curved surface of cam and interior motion cycle curved design unreasonable, the size span of cam is excessive, motion control curved surface structure is complicated, easily there is the phenomenon of bumpy motion in the motion of control flume needle-bar, the easy clamping stagnation between cam and nook closing member bed when the conversion of moving, cause and occur that braided fabric flower pattern makes a variation, cracked ends etc., size span is crossed ambassador's grooved needle bed motion amplitude and is used rear easily fatigue damage greatly for a long time, thus cause warp knitting machine fault or braided fabric quality is reduced, impact is produced.

Summary of the invention

Technical problem to be solved by this invention is for above-mentioned defect, there is provided compact conformation reasonable, the nook closing member bed motion of moderate dimensions controls cam, and this nook closing member bed motion controls cam and moves when control flume needle-bar shuttling movement more steady, and motion amplitude is moderate, there is the situations such as variation, bloody stool during menstruation in the flower pattern greatly reducing braided fabric, improve the quality of braided fabric, anti-strain ability is strong, can use for a long time, enhance productivity, reduce maintenance cost.

The technical scheme that the present invention solves the employing of its technical problem is as follows:

Nook closing member bed motion controls cam, comprise wheel disc and the axle journal with wheel disc one, axle journal axle center place is provided with the axis hole be connected with camshaft, axis hole wall is provided with the shaft orientation opening groove held tightly with camshaft, fastening with trip bolt between axle journal and camshaft, corresponding axle journal and the perpendicular direction of open slot are provided with trip bolt placement hole, wheel disc outer peripheral face is outer motion cycle curved surface, wheel disc is also provided with interior motion cycle curved surface relative to the another side of axle journal, described interior motion cycle curved surface and outer motion cycle curved surface have ascending motion and descending motion, interior motion cycle curved surface is the main curved surface controlling nook closing member bed shuttling movement, outer motion cycle curved surface and interior motion cycle curved surface are by quick ascending motion section, ascending motion section at a slow speed, idle periods, descending at slow speed motor segment, quick descending motion section is formed, mutually seamlessly transit between each motor segment, described interior motion cycle curved surface is biased to the direction of side, axis hole axle center at the junction surface of quick ascending motion section and quick descending motion section, to should junction surface be the biasing range of interior motion cycle curved surface, interior motion cycle curved surface in biasing range with outer motion cycle curved surface not conjugation, other motor segments then with outer motion cycle conjugate.

Described outer motion cycle curved surface and interior motion cycle curved surface, with the non-axle journal end face of wheel disc for basal plane, axis hole axle center is basic point, using 290 ° of reticules as initial 0 ° of reticule, by counterclockwise, described quick ascending motion section is between 17.5 ° to 90 °, ascending motion section at a slow speed described in being between 90 ° to 132.5 °, described idle periods is between 132.5 ° to 303 °, described descending at slow speed motor segment is between 303 ° to 318 °, 318 ° to 360 °, described quick descending motion section is between 0 ° to 17.5 °, 17.5 ° of reticule places are the turnover abutment of descending motion and ascending motion, between quick ascending motion section 17.5 ° to 32 °, the biasing range of Inner eycle movement curved surface is corresponded between quick descending motion section 5 ° to 17.5 °, 17.5 ° of places are biased maximum position place, the corresponding nook closing member bed in this place is in minimum point, 132 ° of places are the limit of ascending motion and the starting point of descending motion, the corresponding nook closing member bed in this place is at the highest notch.

Described outer motion cycle curved surface, be respectively with calibration/lift range value that its same generating circle is benchmark: 0 °/2.8mm, 5 °/1.4mm, 17.5 °/0mm, 32 °/1.6mm, 90 °/19.5mm, 132.5 °/23.4mm, 303 °/23.5mm, 318 °/19.5mm, described interior motion cycle curved surface, be respectively with calibration/lift range value that its same generating circle is benchmark: 0 °/3.6mm, 5 °/12.2mm, 17.5 °/0mm, 32 °/12.3mm, 90 °/22.7mm, 132.5 °/24.9mm, 303 °/24mm, 318 °/19mm.

The invention has the beneficial effects as follows: adopt such scheme, optimize the structure of hook closing member bed cam, make cam structure compacter, reduce the size span of cam, make the formation of cam production curved surface more reasonable, make transmission more stable in camming movement in the process of transmission, make the more steady of nook closing member bed motion, the interior motion cycle curved surface of cam is biased near axis hole axis direction in the joint portion of descending motion and ascending motion, with outer motion cycle curved surface not conjugation, and in other motor segments, keep conjugation, while ensureing robust motion, avoid driving member to occur catching phenomenon when the motion conversion of this place, cause transmission unstable, make nook closing member bed motion unstable, greatly reduce the entanglement of braided fabric flower pattern, the generation of the situations such as cracked ends, play transition buffer effect when moving conversion simultaneously, wearing and tearing are avoided to extend physical life.

Accompanying drawing explanation

By the detailed description below in conjunction with accompanying drawing, aforesaid and other object, the feature and advantage of the present invention will become apparent.

Fig. 1 is front view of the present invention.

Fig. 2 is schematic cross-section of the present invention.

Wherein: 1 is wheel disc, 1.1 is outer motion cycle curved surface, and 1.11 is quick ascending motion section, 1.12 is ascending motion section at a slow speed, 1.13 is idle periods, and 1.14 is descending at slow speed motor segment, and 1.15 is quick descending motion, 1.2 is interior motion cycle curved surface, 2 is axle journal, and 2.1 is axis hole, and 3 is open slot, 4 is trip bolt installing hole, and 5 is alignment pin axis hole.

Detailed description of the invention

As Fig. 1, nook closing member bed motion shown in Fig. 2 controls cam, comprise wheel disc 1 and the axle journal 2 with wheel disc 1 one, the center of axle journal 2 does not overlap with the center of wheel disc 1, biased is arranged on wheel disc 1, the axle center place of axle journal 2 is the axis hole 2.1 be connected with camshaft arranged, axis hole 2.1 runs through wheel disc 1 for through hole, axle journal 2 be axially also provided with the open slot 3 held tightly with camshaft, fastening with trip bolt between the axle journal 2 held tightly and camshaft, corresponding axle journal 2 is provided with the perpendicular direction of open slot 3 the trip bolt placement hole 4 holding trip bolt, align for convenience of location when installing, axle journal 2 is provided with alignment pin axis hole 5, wheel disc 1 controls nook closing member bed by motion cycle curved surface and does regular ascending motion and descending motion, motion cycle curved surface comprises outer motion cycle curved surface 1.1 and interior motion cycle curved surface 1.2, outer motion cycle curved surface 1.1 is the outer peripheral face of wheel disc 1, wheel disc 1 is provided with inner peripheral surface relative to the other end of axle journal 2, inner peripheral surface is interior motion cycle curved surface 1.2, interior motion cycle curved surface 1.2 is the main curved surface controlling nook closing member bed shuttling movement, interior motion cycle curved surface 1.2 and outer motion cycle curved surface 1.1 all with member in tight contact of getting excited, cam rotates control transmission makes nook closing member bed operate, structure is simple, transmission speed is high, be suitable for working at high speed, outer motion cycle curved surface 1.1 and interior motion cycle curved surface 1.2 are by quick ascending motion section 1.11, ascending motion section at a slow speed 1.12, idle periods 1.13, descending at slow speed motor segment 1.14, quick descending motion section 1.15 is formed, mutually smoothly connect between each motor segment and form the curved-surface structure controlling nook closing member bed motion, interior motion cycle curved surface 1.2 and outer motion cycle curved surface 1.1 conjugation in most of scope, interior motion cycle curved surface 1.12 is biased near axis hole 2.1 axis direction at the junction surface of quick ascending motion section 1.11 and quick descending motion section 1.15, the end face of axle journal 2 side is not had for basal plane with wheel disc 1, with the axle center of axis hole 2.1 for basic point, using 250 ° of reticules as initial 0 ° of reticule, by counterclockwise, it is quick ascending motion section 1.11 within the scope of 17.5 ° to 90 °, corresponding control nook closing member bed does quick ascending motion, it is ascending motion section at a slow speed 1.12 within the scope of 90 ° to 132.5 °, corresponding control nook closing member bed does ascending motion at a slow speed, it is idle periods 1.13 within the scope of 132.5 ° to 303 °, corresponding control nook closing member bed is tending towards pausing in this motor segment, it is descending at slow speed motor segment 1.14 within the scope of 303 ° to 318 °, corresponding control nook closing member bed does descending at slow speed motion, 318 ° to 360 °, it is quick descending motion section 1.15 within the scope of 0 ° to 17.5 °, corresponding control nook closing member bed does quick descending motion, 17.5 ° of reticule places are the turnover abutment of descending motion and ascending motion, 132 ° of places are the limit of ascending motion and the starting point of descending motion, this place then corresponding nook closing member bed is at the highest notch, outer motion cycle curved surface 1.1, with its same generating circle for benchmark, be 2.8mm at the lift range value of 0 ° of reticule place nook closing member bed correspondence, be 1.4mm at the lift range value of 5 ° of reticule place nook closing member bed correspondences, be 0mm at the lift range value of 17.5 ° of reticule place nook closing member bed correspondences, be 1.6mm at the lift range value of 32 ° of reticule place nook closing member bed correspondences, be 19.5mm at the lift range value of 90 ° of reticule place nook closing member bed correspondences, be 23.4mm at the lift range value of 132.5 ° of reticule place nook closing member bed correspondences, be 23.5mm at the lift range value of 303 ° of reticule place nook closing member bed correspondences, be 19.5mm at the lift range value of 318 ° of reticule place nook closing member bed correspondences, and interior motion cycle curved surface 1.2, with its same generating circle for benchmark, be 3.6mm at the lift range value of 0 ° of reticule place nook closing member bed correspondence, be 12.2mm at the lift range value of 5 ° of reticule place nook closing member bed correspondences, be 0mm at the lift range value of 17.5 ° of reticule place nook closing member bed correspondences, be 12.3mm at the lift range value of 32 ° of reticule place nook closing member bed correspondences, be 22.7mm at the lift range value of 90 ° of reticule place nook closing member bed correspondences, be 24.9mm at the lift range value of 132.5 ° of reticule place nook closing member bed correspondences, be 24mm at the lift range value of 303 ° of reticule place nook closing member bed correspondences, be 19mm at the lift range value of 318 ° of reticule place nook closing member bed correspondences, with the axle center of axis hole 2.1 for basic point, the intersecting point coordinate of 0 ° of reticule and outer motion cycle curved surface 1.1 is (28.6,-78.5), the intersecting point coordinate of 5 ° of reticules and outer motion cycle curved surface 1.1 is (36.7, 76.9), the intersecting point coordinate of 17.5 ° of reticules and outer motion cycle curved surface 1.1 is (51.5,-66.1), the intersecting point coordinate of 32 ° of reticules and outer motion cycle curved surface 1.1 is (67.7,-52.1), the intersecting point coordinate of 90 ° of reticules and outer motion cycle curved surface 1.1 is (96.8, 35.9), the intersecting point coordinate of 132.5 ° of reticules and outer motion cycle curved surface 1.1 is (49.4, 95.1), the intersecting point coordinate of 303 ° of reticules and outer motion cycle curved surface 1.1 is (-64.9,-85.4), the intersecting point coordinate of 318 ° of reticules and outer motion cycle curved surface 1.1 is (-38.9,-95.7), the intersecting point coordinate of 0 ° of reticule and interior motion cycle curved surface 1.2 is (24.7,-67.7), the intersecting point coordinate of 5 ° of reticules and interior motion cycle curved surface 1.2 is (30.4,-63.8), the intersecting point coordinate of 17.5 ° of reticules and interior motion cycle curved surface 1.2 is (42,-54), the intersecting point coordinate of 32 ° of reticules and interior motion cycle curved surface 1.2 is (56.1,-43.2), the intersecting point coordinate of 90 ° of reticules and interior motion cycle curved surface 1.2 is (85.5, 31.7), the intersecting point coordinate of 132.5 ° of reticules and interior motion cycle curved surface 1.2 is (43, 82.8), the intersecting point coordinate of 303 ° of reticules and interior motion cycle curved surface 1.2 is (-55.9,-73.6), the intersecting point coordinate of 318 ° of reticules and interior motion cycle curved surface 1.2 is (-32.9,-81), can find out, 17.5 ° of quick ascending motion section 1.11 within the scope of 32 °, in within the scope of 5 ° to 17.5 ° of quick descending motion section 1.15, motion cycle curved surface 1.2 is inconsistent with the amplitude of variation of nook closing member bed lift range value corresponding to outer motion cycle curved surface 1.1, and it is consistent within the scope of other, interior motion cycle curved surface 1.2 and outer motion cycle curved surface 1.1 not conjugation between quick ascending motion section 1.11 and the junction surface of descending motion section 1.15 fast, conjugation is kept within the scope of other, Inner eycle movement curved surface 1.2 is biased near axis hole 2.1 axis direction at the junction surface picture of quick ascending motion section 1.11 with quick descending motion section 1.15, and be biased maximum position place at 17.5 ° of places, the corresponding nook closing member bed in this place is in minimum point, biasing range plays transition buffer effect when cam production nook closing member bed is converted to ascending motion by descending motion, when node 17.5 ° biased reach maximum, this place's nook closing member bed with there will be of short duration being separated between drive disk assembly, avoid catching phenomenon occurs, make the more steady of nook closing member bed motion, smooth and easy, braided fabric is avoided to occur flower pattern entanglement, the situations such as cracked ends, and better protect cam when motion switch transition, prevent from occurring that transition is clashed into damage cam or nook closing member bed during motion conversion, increase the service life, and ascending motion section is greater than descending motion section, idle periods is the motor segment grown most, and it is compacter by above data known cam structure entirety, size span is little, the cycle of motion is shortened under the stable prerequisite of nook closing member bed motion, improve efficiency, and the system point coordinate of this cam is known adopts lathe Milling Process, easy to process.

The present invention is not limited to described embodiment, and those skilled in the art, not departing from spirit of the present invention namely openly in scope, still can do some and revise or change, therefore the scope that the scope of the present invention limits with claims is as the criterion.

Claims (3)

1. nook closing member bed motion controls cam, comprise wheel disc and the axle journal with wheel disc one, axle journal axle center place is provided with the axis hole be connected with camshaft, axis hole wall is provided with the shaft orientation opening groove held tightly with camshaft, fastening with trip bolt between axle journal and camshaft, corresponding axle journal and the perpendicular direction of open slot are provided with trip bolt placement hole, wheel disc outer peripheral face is outer motion cycle curved surface, wheel disc is also provided with interior motion cycle curved surface relative to the another side of axle journal, it is characterized in that: described interior motion cycle curved surface and outer motion cycle curved surface have ascending motion and descending motion, interior motion cycle curved surface is the main curved surface controlling nook closing member bed shuttling movement, outer motion cycle curved surface and interior motion cycle curved surface are by quick ascending motion section, ascending motion section at a slow speed, idle periods, descending at slow speed motor segment, quick descending motion section is formed, mutually seamlessly transit between each motor segment, described interior motion cycle curved surface is biased to the direction of side, axis hole axle center at the junction surface of quick ascending motion section and quick descending motion section, to should junction surface be the biasing range of interior motion cycle curved surface, interior motion cycle curved surface in biasing range with outer motion cycle curved surface not conjugation, other motor segments then with outer motion cycle conjugate.

2. nook closing member bed motion according to claim 1 controls cam, it is characterized in that: described outer motion cycle curved surface and interior motion cycle curved surface, with the non-axle journal end face of wheel disc for basal plane, axis hole axle center is basic point, using 290 ° of reticules as initial 0 ° of reticule, by counterclockwise, described quick ascending motion section is between 17.5 ° to 90 °, ascending motion section at a slow speed described in being between 90 ° to 132.5 °, described idle periods is between 132.5 ° to 303 °, described descending at slow speed motor segment is between 303 ° to 318 °, 318 ° to 360 °, described quick descending motion section is between 0 ° to 17.5 °, 17.5 ° of reticule places are the turnover abutment of descending motion and ascending motion, between quick ascending motion section 17.5 ° to 32 °, the biasing range of Inner eycle movement curved surface is corresponded between quick descending motion section 5 ° to 17.5 °, 17.5 ° of places are biased maximum position place, the corresponding nook closing member bed in this place is in minimum point, 132 ° of places are the limit of ascending motion and the starting point of descending motion, the corresponding nook closing member bed in this place is at the highest notch.

3. nook closing member bed motion according to claim 2 controls cam, it is characterized in that: described outer motion cycle curved surface, be respectively with calibration/lift range value that its same generating circle is benchmark: 0 °/2.8mm, 5 °/1.4mm, 17.5 °/0mm, 32 °/1.6mm, 90 °/19.5mm, 132.5 °/23.4mm, 303 °/23.5mm, 318 °/19.5mm, described interior motion cycle curved surface, be respectively with calibration/lift range value that its same generating circle is benchmark: 0 °/3.6mm, 5 °/12.2mm, 17.5 °/0mm, 32 °/12.3mm, 90 °/22.7mm, 132.5 °/24.9mm, 303 °/24mm, 318 °/19mm.