CN203559223U - Automatic reset device of probe of computerized flat knitting machine - Google Patents
Automatic reset device of probe of computerized flat knitting machine Download PDFInfo
- Publication number
- CN203559223U CN203559223U CN201320593778.9U CN201320593778U CN203559223U CN 203559223 U CN203559223 U CN 203559223U CN 201320593778 U CN201320593778 U CN 201320593778U CN 203559223 U CN203559223 U CN 203559223U
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- rotating shaft
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- probe
- dish
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Abstract
The utility model discloses an automatic reset device of a probe of a computerized flat knitting machine. The automatic reset device comprises a rotating shaft disc fixing the probe, and comprises a rotating shaft disc support body; a rotating shaft disc installing hole is arranged in the rotating shaft disc support body; the rotating shaft disc is rotatably mounted in the rotating shaft disc installing hole; a magnetic reset mechanism is arranged between the rotating shaft disc and the rotating shaft disc support body; a radial run-through rotating shaft disc optical path hole is arranged in the rotating shaft disc; two opposite fixed optical path holes are arranged in the hole wall of the rotating shaft disc installing hole; and a photoemission head and a photoelectric reception head are respectively arranged in the fixed optical path holes. According to the utility model, by using a more precise photoelectric sensor as a signal trigger device, compared with a traditional microswitch, the automatic reset device responses more quickly, and service lifetime is longer, so higher detection sensitivity can be ensured, and the automatic reset device works more reliably.
Description
Technical field
The utility model relates to a kind of Computerized flat knitting machine checkout gear, and in particular, it relates to a kind of probe of computerized flat knitting machine automatic reset device.
Background technology
Computerized flat knitting machine is a kind of crosspointer plate latch needles weft braiding machine, its triangle device is just as one group of cylindrical cam, the stitch of pointer can enter in the conduit of cam, movable triangular, force knitting needle in the needle tray of needle plate, to do regular elevating movement, and by the action of pinhock and needle latch, yarn is woven into knitted fabric.Knitting needle is in uphill process, and coil progressively exits pinhock, opens needle latch, and exits needle latch and hang on shank; Knitting needle is in decline process, and pinhock hooks the yarn that new pad is put, and its tractive is bent to coil, original coil is deviate from pinhock simultaneously, new coil passes from old coil, is together in series with old coil, and the coil string that numerous knitting needles is made into connects mutually formation knitted fabric.Existing float checkout gear is the detection steel disc that a use spring adds steel ball location, and produce detection signal by the mode that triggers microswitch, detect steel disc repeatedly also crooked with the collision of yarn mouth with meeting in detecting the reciprocating process of motion, after separation with yarn mouth, detect steel disc and must get back to normal detecting position, otherwise will report to the police.And existing detection steel disc is often miscued because self elasticity after long-term use reduces and can not fully automatically reset by yarn mouth, easily produce false alarm; In addition, microswitch also very easily for various reasons and sensitivity, has detected float even if cause detecting steel disc, and microswitch is but still not closed, and therefore float detection sensitivity greatly reduces.Publication number is the secure induction device that the invention of CN201372351Y disclosed on a kind of flat-knitting machine head on December 30th, 2009, be arranged on this device on the casing of computer flat knitting machine and comprise a probe base, probe shaft is arranged on probe base, microswitch seat is arranged on probe shaft, microswitch is installed on miniature switch seat, microswitch is provided with a button, probe is installed on probe shaft, probe has a head and is the afterbody of bending-like, and the afterbody of probe is corresponding with the button of microswitch.When Computerized flat knitting machine in braiding process, encounter float, while flying yarn and foreign material, secure induction device energy of the present utility model and alarm, thus improve fabric quality and extend service life of a machine.But this utility model has also adopted traditional microswitch as signal flip flop equipment, still exist float to detect unstable, the defect that sensitivity is lower.
utility model content
Existing Computerized flat knitting machine float checkout gear functional reliability is poor, and detection sensitivity is lower, and in order to overcome these deficiencies, the utility model provides a kind of work more reliable, the probe of computerized flat knitting machine automatic reset device that detection sensitivity is higher.
The technical solution of the utility model is: a kind of probe of computerized flat knitting machine automatic reset device, comprise rotating shaft dish and the rotating shaft dish support of stationary probe, rotating shaft dish support is provided with rotating shaft dish installing hole, rotating shaft dish rotates and is installed in rotating shaft dish installing hole, between rotating shaft dish and rotating shaft dish support, be provided with magnetic resetting mechanism, rotating shaft dish is provided with the rotating shaft dish light path hole radially connecting, rotating shaft dish installing hole hole wall is provided with two light path holes that are relatively fixed, and is respectively equipped with a photoemission head and a photoelectricity Receiver in two fixed light path holes.During Computerized flat knitting machine work, collision repeatedly between probe and yarn mouth is normal, the probe detection system of Computerized flat knitting machine can not contact alarm with yarn mouth at probe, and probe separation with yarn mouth after, the necessary Quick-return of probe is to original detection position, on this position, probe will detect and have or not float, and the sampling window of control system is also open, rotating shaft dish in this device can be taken rapidly probe rotation and be returned to home position under the effect of magnetic resetting mechanism, on the other hand, this programme is using photoelectric sensor as signal flip flop equipment, light path is arranged at more hidden, sealing, be not subject to the position of external interference, when probe and rotating shaft dish are during in normal position, rotating shaft dish light path hole is aimed at fixed light path hole, light path is connected, the light beam that the photoemission hair of photoelectric sensor is penetrated is received by photoelectricity Receiver, when Computerized flat knitting machine is when in normal work, yarn mouth miscues probe, rotating shaft dish is with probe deflection, stagger in rotating shaft dish light path hole and fixed light path hole, light path is connected and is interrupted, photoelectric sensor produces corresponding detection signals input control system because of the difference of light path on off operating mode, control system and then carry out next step operation.Due to this device power that automatically resets using contactless magnetic force as probe, and adopted more accurate photoelectric sensor as signal flip flop equipment, therefore probe of computerized flat knitting machine automatic reset device can make probe functional reliability, accuracy in detection and detection sensitivity greatly improve.
As preferably, rotating shaft dish comprises probe mounting disc and rotating shaft, and rotating shaft is connected in probe mounting disc bottom.Probe mounting disc has larger area, can arrange easily probe and other parts, and rotating shaft can be processed relatively carefully, and while processing like this rotating shaft dish, existing larger parts bearing space can reduce materials again as far as possible, cuts down finished cost.
As preferably, described magnetic resetting mechanism comprises rotating shaft dish magnet and attracts magnet, the polarity of rotating shaft dish magnet and the close end of attraction magnet is contrary, rotating shaft dish magnet is fixedly arranged on probe mounting disc bottom surface, attract magnet to be fixedly arranged on the other rotating shaft dish support surface of rotating shaft dish installing hole, attract magnet side to be also provided with repulsion magnet, rotating shaft dish magnet is identical with the polarity of repulsion magnet phase near-end.In the situation that there is no other external drag, due to magnet, there is a natural attraction between the sexes, rotating shaft dish can rotate voluntarily, until rotating shaft dish magnet and attract nearest between magnet arrives force balance point position, it is also home position, meanwhile due to two like magnetic poles repel each other, repulsion magnet also can promote rotating shaft dish, with the acting in conjunction of attraction magnet, rotating shaft dish is rotated in place quickly.
As preferably, rotating shaft dish magnet is three and is the arrangement of equilateral triangle shape around rotating shaft disk center, attract magnet be also three and around rotating shaft dish installing hole center, be equilateral triangle shape arrange, repulsion magnet be at least two, each repulsion magnet lay respectively at two attraction magnets between.According to this structure, on rotating shaft dish, there are three magnetic force stress points, force structure is more balanced, and can arrive quickly force balance state.
As preferably, probe mounting disc bottom is also installed with at least one damping magnet, and damping magnet is contrary with the polarity of identical one end of rotating shaft dish magnet.Damping magnet is identical with attraction magnet opposite end polarity, therefore and between attraction magnet there is repulsive interaction, repulsive force when rotating shaft dish rotates like this between damping magnet and attraction magnet can form certain hindrance function by countershaft dish, avoid rotating shaft dish to rotate and cross too soon force balance point and formation vibration, the time that causes rotating shaft dish to arrive force balance point position is spun out.
As preferably, by rotating shaft dish installing hole, be also provided with the stopper slot of arc, probe mounting disc bottom is provided with outstanding limited post, and limited post is inserted in stopper slot.If crossed force balance point position when rotating shaft dish rotates, may be rotated further and arrive another force balance point position, for avoiding occurring this situation, prevent that probe of computerized flat knitting machine from detecting malfunctioning, by coordinating of limited post and stopper slot, the rotation amplitude of oscillation of rotating shaft dish can be controlled in certain limit, in this amplitude of oscillation, just only have like this force balance point position.
As preferably, in rotating shaft dish installing hole, be provided with sliding sleeve, rotating shaft bottom is arranged with the damping axle sleeve with sliding sleeve adaptation, and damping axle sleeve top is provided with step, and rotating shaft is plugged in sliding sleeve, and rotating shaft bottom end face is provided with rotating shaft dish stop screw.Between sliding sleeve and damping axle sleeve, form revolute pair, make to reach and be rotationally connected between rotating shaft dish and rotating shaft dish support, in addition, while swinging near force balance point due to rotating shaft dish, attraction magnet distance on rotating shaft dish and rotating shaft dish support is nearer, so now between rotating shaft dish and rotating shaft dish support, comprehensive stress is presented as between rotating shaft dish and rotating shaft dish support and attracts each other, magnetic effect makes to produce pressure between rotating shaft dish and rotating shaft dish support, the step at damping axle sleeve top and sliding sleeve top end face are because pushing and produce resistance mutually, further strengthen damping action, after making probe separation with yarn mouth, rotating shaft dish finishes as early as possible near swing force balance point and finally stops.To sum up, by coordinating of sliding sleeve and damping axle sleeve, can realize being rotationally connected between rotating shaft dish and rotating shaft dish support, can accelerate again rotating shaft dish and reset.If it is far away that rotating shaft dish departs from force balance point, between rotating shaft dish and rotating shaft dish support, comprehensive stress is when repelling each other, and the rotating shaft dish stop screw bottom rotating shaft can prop up sliding sleeve bottom end face by screw bonding pad, prevents that rotating shaft dish from deviating from from sliding sleeve.
The beneficial effects of the utility model are:
Improve probe of computerized flat knitting machine detection sensitivity.This device has adopted more accurate photoelectric sensor as signal flip flop equipment, compared with traditional microswitch, reacts faster, longer service life, thereby can guarantee higher detection sensitivity.
Work more reliable.The automatically reset power of probe of computerized flat knitting machine in this device provides and the triggering of signal flip flop equipment is all contactless, be relatively more difficult for being disturbed, thereby work is more reliable.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of the utility model transfer reel;
Fig. 3 is a kind of structural representation of the utility model transfer reel support;
Fig. 4 is the interior views of the utility model transfer reel support;
Fig. 5 is the interior views that the rotating shaft dish support of rotating shaft dish has been installed.
In figure, 1-rotating shaft dish, 2-rotating shaft dish support, 3-rotating shaft dish installing hole, 4-rotating shaft dish light path hole, 5-fixed light path hole, the mounting disc of 6-probe, 7-rotating shaft, 8-rotating shaft dish magnet, 9-attracts magnet, 10-repulsion magnet, 11-stopper slot, 12-limited post, 13-damping magnet, 14-yarn mouth position-detection sensor, 15-support magnet embedding hole, 16-sliding sleeve, 17-damping axle sleeve, 18-rotating shaft dish stop screw, 19-pad.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiment, the utility model is described in further detail.
embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of probe of computerized flat knitting machine automatic reset device, be located in the float detection system of Computerized flat knitting machine, this float detection system comprises a pair of Kanehara protecting cover, described probe of computerized flat knitting machine automatic reset device comprises rotating shaft dish 1 and the rotating shaft dish support 2 of stationary probe, the Kanehara protecting cover that rotating shaft dish support 2 is Computerized flat knitting machine, this Kanehara protecting cover is T-shaped, these Kanehara protecting cover central authorities are provided with rotating shaft dish installing hole 3, and rotating shaft dish installing hole 3 is with this Kanehara protecting cover integrated injection molding.Rotating shaft dish 1 comprises probe mounting disc 6 and rotating shaft 7, rotating shaft 7 is provided with step, it is a upper coarse and lower fine rank axle, thicker one section is provided with the rotating shaft dish light path hole 4 radially connecting, after rotating shaft dish 1 installs in rotating shaft dish installing hole 3, between probe mounting disc 6 bottom surfaces and rotating shaft dish support 2 outer surfaces, there is the gap of 0.3mm.Probe mounting disc 6 is provided with bolt hole and alignment pin, for the probe of installation and measuring float, rotating shaft 7 is connected in probe mounting disc 6 bottoms, rotating shaft dish installing hole 3 inner bottom part close-fittings are installed a copper sliding sleeve 16, sliding sleeve 16 bottom faces are concordant with rotating shaft 7 bottom faces, sliding sleeve 16 top end faces are lower than the step place of rotating shaft 7, on rotating shaft 7 thinner sections, be arranged with the copper damping axle sleeve 17 with sliding sleeve 16 adaptations, damping axle sleeve 17 top diameters expand and are tight against the step in rotating shaft 7, on damping axle sleeve 17, also formed like this step, the thinner section that is overlapping damping axle sleeve 17 of rotating shaft 7 is plugged in sliding sleeve 16, the step of damping axle sleeve 17 is pressed on the top end face of sliding sleeve 16, rotating shaft 7 bottom faces are provided with rotating shaft dish stop screw 18 and pad 19, pad 19 external diameters are greater than the internal diameter of sliding sleeve 16, the hole that rotating shaft dish stop screw 18 is installed is more shallow, when rotating shaft dish stop screw 18 is screwed at the bottom of hole, rotating shaft dish stop screw 18 is not pressed on pad 19 on rotating shaft 7 bottom faces, therefore can't hinder the rotation of rotating shaft 7.Rotating shaft dish installing hole 3 hole walls are provided with two light path holes 5 that are relatively fixed, in two fixed light path holes 5, be respectively equipped with a photoemission head and a photoelectricity Receiver, photoemission head and photoelectricity Receiver are all electrically connected with an amplification control panel, and this amplification control panel is connected with the input of a single-chip microcomputer.Between rotating shaft dish 1 and rotating shaft dish support 2, be provided with magnetic resetting mechanism, this magnetic resetting mechanism comprises that three rotating shaft dish magnets 8, three attract magnet 9 and two repulsion magnets 10, probe mounting disc 6 bottoms are provided with four blind holes, be four rotating shaft dish magnet embedding holes, wherein there are three rotating shaft dish magnet embedding holes to be arranged in an equilateral triangle around rotating shaft disk center, a remaining rotating shaft dish magnet embedding hole is positioned at the middle, wherein two rotating shaft dish magnet embedding holes of lining up equilateral triangle, and four 4, rotating shaft dish magnet embedding holes are concyclic; Rotating shaft dish installing hole 3 other rotating shaft dish support 2 surfaces are provided with six blind holes, are support magnet embedding hole 15,15, six, support magnet embedding hole uniform circular row centered by rotating shaft dish installing hole 3.8 interference of three rotating shaft dish magnets are embedded in three rotating shaft dish magnet embedding holes and are equilateral triangle shape around rotating shaft disk center and arrange, three attract magnet 9 interference to be embedded to be equilateral triangle shape in three support magnet embedding holes 15 and around rotating shaft dish installing hole 3 centers to arrange, two repulsion magnet 10 interference are embedded in any two in three remaining support magnet embedding holes 15, the polarity of rotating shaft dish magnet 8 and attraction magnet 9 phase near-ends is contrary, rotating shaft dish magnet 8 is identical with the polarity of repulsion magnet 10 phase near-ends, the present embodiment transfer reel magnet 8 is the S utmost point towards one end of rotating shaft dish support 2, attracting magnet 9 is the N utmost point towards one end of probe mounting disc 6, repulsion magnet 10 is the S utmost point towards one end of probe mounting disc 6.In that rotating shaft dish magnet embedding hole of remainder, also a damping magnet 13 is set in interference, and damping magnet 13 is contrary with the polarity of identical one end of rotating shaft dish magnet 8, and damping magnet 13 is the N utmost point towards one end of rotating shaft dish support 2.The other stopper slot 11 that is also provided with arc of rotating shaft dish installing hole 3, the central angle of stopper slot 11 is 60 °, and probe mounting disc 6 bottoms are provided with outstanding limited post 12, and limited post 12 is inserted in stopper slot 11.On described two Kanehara protecting covers, be also provided with two groups of yarn mouth position-detection sensors 14, symmetry is positioned at the both sides of rotating shaft dish 1, for detection of yarn mouth whether in this segment distance between two groups of yarn mouth position-detection sensors 14, yarn mouth position-detection sensor 14 is comprised of infrared emission head and infrared receiving terminal, and infrared emission head and infrared receiving terminal lay respectively on two Kanehara protecting covers.
During Computerized flat knitting machine work, described two Kanehara protecting cover synchronous reciprocatings motion, and form relative motion between fixing yarn mouth, probe intersection in each period of motion in yarn mouth and probe mounting disc 6 is collided once, when yarn mouth is not encountered probe, it is on home position that rotating shaft dish 1 is accepted a position in balance under the effect of described magnetic resetting mechanism, under this state, rotating shaft dish light path hole 4 is aimed at fixed light path hole 5, conducting light paths, described photoelectricity Receiver sends " ON " signal through amplifying control panel to described single-chip microcomputer; During yarn mouth and probe collision, yarn mouth position-detection sensor 14 has detected yarn mouth, can produce " OFF " signal is transported in described single-chip microcomputer, although probe is by the deflection of yarn mouth jack-up during this period, and drive 1 rotation of rotating shaft dish to depart from home position, light path is interrupted, now described photoelectricity Receiver sends " OFF " signal through amplifying control panel to described single-chip microcomputer, after the signal of single-chip microcomputer integrated treatment yarn mouth position-detection sensor 14 and described photoelectricity Receiver, not output alarm instruction, probe is not carried out float testing yet around here; When yarn mouth and probe separates, under the acting in conjunction of rotating shaft dish magnet 8, attraction magnet 9, repulsion magnet 10, damping magnet 13, sliding sleeve 16 and damping axle sleeve 17, return to rapidly reset condition, the conducting again of light path on rotating shaft dish 1, probe carries out again float detection again.And if yarn mouth is not encountered probe, yarn mouth position-detection sensor 14 sends " ON " signal to single-chip microcomputer, and when described photoelectricity Receiver has but sent " OFF " signal to single-chip microcomputer, just single-chip microcomputer sends alarm command, prompting detects float.
embodiment 2:
embodiment 3:
attract magnet 9 and repulsion magnet 10 to be respectively three, on rotating shaft dish 1, cancel damping magnet, and only depend on the frictional force between the step of sliding sleeve 16 end faces and damping axle sleeve 17 to realize fast braking.All the other are with embodiment 1.
Claims (7)
1. a probe of computerized flat knitting machine automatic reset device, it is characterized in that comprising rotating shaft dish (1) and the rotating shaft dish support (2) of stationary probe, rotating shaft dish support (2) is provided with rotating shaft dish installing hole (3), rotating shaft dish (1) rotates and is installed in rotating shaft dish installing hole (3), between rotating shaft dish (1) and rotating shaft dish support (2), be provided with magnetic resetting mechanism, rotating shaft dish (1) is provided with the rotating shaft dish light path hole (4) radially connecting, rotating shaft dish installing hole (3) hole wall is provided with two light path holes (5) that are relatively fixed, in two fixed light path holes (5), be respectively equipped with a photoemission head and a photoelectricity Receiver.
2. probe of computerized flat knitting machine automatic reset device according to claim 1, is characterized in that rotating shaft dish (1) comprises probe mounting disc (6) and rotating shaft (7), and rotating shaft (7) is connected in probe mounting disc (6) bottom.
3. probe of computerized flat knitting machine automatic reset device according to claim 2, it is characterized in that described magnetic resetting mechanism comprises rotating shaft dish magnet (8) and attracts magnet (9), the polarity of rotating shaft dish magnet (8) and attraction magnet (9) phase near-end is contrary, rotating shaft dish magnet (8) is fixedly arranged on probe mounting disc (6) bottom surface, attract magnet (9) to be fixedly arranged on other rotating shaft dish support (2) surface of rotating shaft dish installing hole (3), attract the other repulsion magnet (10) that is also provided with of magnet (9), rotating shaft dish magnet (8) is identical with the polarity of repulsion magnet (10) phase near-end.
4. probe of computerized flat knitting machine automatic reset device according to claim 3, it is characterized in that rotating shaft dish magnet (8) is three and is the arrangement of equilateral triangle shape around rotating shaft disk center, attraction magnet (9) is also three and around rotating shaft dish installing hole (3) center, is the arrangement of equilateral triangle shape, repulsion magnet (10) is at least two, and each repulsion magnet (10) lays respectively at two and attracts between magnet (9).
5. probe of computerized flat knitting machine automatic reset device according to claim 3, is characterized in that probe mounting disc (6) bottom is also installed with at least one damping magnet (13), and damping magnet (13) is contrary with the polarity of identical one end of rotating shaft dish magnet (8).
6. according to the probe of computerized flat knitting machine automatic reset device described in claim 2 or 3 or 4 or 5, it is characterized in that the other stopper slot (11) that is also provided with arc of rotating shaft dish installing hole (3), probe mounting disc (6) bottom is provided with outstanding limited post (12), and limited post (12) is inserted in stopper slot (11).
7. according to the probe of computerized flat knitting machine automatic reset device described in claim 2 or 3 or 4 or 5, it is characterized in that being provided with sliding sleeve in rotating shaft dish installing hole (3), rotating shaft (7) bottom is arranged with the damping axle sleeve with sliding sleeve adaptation, damping axle sleeve top is provided with step, rotating shaft (7) is plugged in sliding sleeve, and rotating shaft (7) bottom face is provided with rotating shaft dish stop screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593778.9U CN203559223U (en) | 2013-09-23 | 2013-09-23 | Automatic reset device of probe of computerized flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593778.9U CN203559223U (en) | 2013-09-23 | 2013-09-23 | Automatic reset device of probe of computerized flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559223U true CN203559223U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593778.9U Expired - Fee Related CN203559223U (en) | 2013-09-23 | 2013-09-23 | Automatic reset device of probe of computerized flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603631A (en) * | 2015-12-28 | 2016-05-25 | 洞头默克蒂森工业自动化有限公司 | Detection device for probe of computerized flat knitting machine |
| CN115337682A (en) * | 2022-09-06 | 2022-11-15 | 水口山有色金属有限责任公司 | Pressure rake prevention protection device and method for peripheral transmission thickener |
-
2013
- 2013-09-23 CN CN201320593778.9U patent/CN203559223U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603631A (en) * | 2015-12-28 | 2016-05-25 | 洞头默克蒂森工业自动化有限公司 | Detection device for probe of computerized flat knitting machine |
| CN105603631B (en) * | 2015-12-28 | 2017-08-15 | 洞头默克蒂森工业自动化有限公司 | The probe detection device of Computerized flat knitting machine |
| CN115337682A (en) * | 2022-09-06 | 2022-11-15 | 水口山有色金属有限责任公司 | Pressure rake prevention protection device and method for peripheral transmission thickener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20150923 |
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| EXPY | Termination of patent right or utility model |