CN102912496B - Automatic tube drawing device of doffer - Google Patents
Automatic tube drawing device of doffer Download PDFInfo
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- CN102912496B CN102912496B CN201210451312.5A CN201210451312A CN102912496B CN 102912496 B CN102912496 B CN 102912496B CN 201210451312 A CN201210451312 A CN 201210451312A CN 102912496 B CN102912496 B CN 102912496B
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Abstract
The invention belongs to the technical field of textile equipment, and relates to an automatic tube drawing device of a doffer. A main air cylinder component and a reducing motor are connected onto a doffer frame respectively; a bracket for mounting a guiding wheel is fixed on the doffer frame; a gear is meshed with racks fixed on the doffer; a driving shaft is mounted in a bearing pedestal of a driving rocker arm and is supported through a rolling bearing; a front driving rocker arm and a rear driving rocker arm are in key joint with and fixedly mounted onto the driving shaft respectively; a driving rocker arm guiding shaft is fixedly mounted in holes corresponding to the front driving rocker arm and the rear driving rocker arm; a driven rocker arm is supported through a sliding bearing mounted in a driven rocker arm bracket and is mounted on a pin shaft for a driven rocker arm in an interference fit manner; a driven rocker arm guiding shaft is mounted in a hole corresponding to the driven rocker arm; and a connecting rod is mounted on the driving rocker arm guiding shaft and the driven rocker arm guiding shaft, and performs reciprocating motion along the two guiding shafts. The automatic tube drawing device has reliable principle, simple structure, high tube drawing effective rate and friendly production environment, is safe in operation and running, and saves human resources.
Description
Technical field:
The invention belongs to Weaving device technical field, relate to a kind of doffer automatic tube drawing device for fine spining machine, particularly a kind of can simulating hand tube drawing action can realize the doffer automatic tube drawing device of automatic tube drawing.
Background technology:
The current existing cotton spinning spindle of China is 1.15 hundred million ingots according to statistics, except the fine spining machine of some advanced persons' large number of spindles adopts collective doffing, being no less than 95% spindle is arranged on 480 ingots and following fine spining machine, in these fine spining machines except small part adopts electro-automatic doffer doffs, most of fine spining machine still adopts the mode of manually doffing, recruitment is many, and labour intensity is large, and production efficiency is lower.At present, many regional textile enterprise recruitment difficulty, recruitment cost improves constantly, the increase in demand of market to automatic doffer.Existing electro-automatic doffer is to adopt pre-pine dish and the dish that doffs to shovel to pull out and promote spool, coil and doff dish in advancing with dolly horizontal by the pre-pine at certain inclination angle, pull out the vertical stress component of yarn except producing, also produce horizontal component, horizontal component just may break spindle and damage cop surface, and this is that spinning high-quality yarn institute is unacceptable.For thoroughly addressing this problem, many industry scientific research personnel are seeking to adopt feed collet clamping spool top and from start the scheme of tube drawing perpendicular to rail top side location, because the connecting rod that clamping device is housed in tube drawing process moves freely in the axis of guide, so spindle blade does not laterally stress substantially, can not damage spindle, and feed collet does not contact the surface of cop while pulling out yarn, therefore cop can be not impaired yet, realize again the optimization of full spool mobile route in tube drawing process by appropriate design mechanism parameter, effectively avoid the interference of spool and fine spining machine and spool and spindle blade in tube drawing process, but technique scheme so far, but technique scheme there is not yet concrete utilization or open so far.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, realize the automatic tube drawing function of doffer, by clamping device, full spool is clamped from top, complete efficiently, reliably tube drawing function; Effectively solve the damage that the horizontal component that produces when existing electro-automatic doffer shovel pulls out and promotes spool causes spindle and cop surface, further improve operating efficiency and the reliability of doffer pipe drawing device, a kind of brand-new doffer automatic tube drawing device is provided.
To achieve these goals, agent structure of the present invention comprises frame, master cylinder assembly, reducing motor, directive wheel, tooth bar, gear, drive crank bearing block, driving shaft, front drive crank, spool clamping device, the drive crank axis of guide, reset cylinder assembly, the driven rocking bar axis of guide, driven rocking bar, driven bearing pin, driven rocker bracket, rear drive crank, rotating shaft for handle, eccentric wheel, handle, slide block, spring and universal caster wheel assembly for rocking bar; Master cylinder assembly and reducing motor are connected in the frame made from steel square tube and Plate Welding with four M8 bolts respectively, directive wheel is fixed on support with steel bearing pin, the support that directive wheel is installed is bolted in frame with M8, and the gear of steel adopts key connection be connected with motor shaft and be meshed with the tooth bar that is fixed on the steel on doffer; Be arranged in the drive crank bearing block of steel with the driving shaft that No. 45 steels are done and by rolling bearing, it supported, the front drive crank of steel and rear drive crank are arranged on to be respectively connected to realize circumferentially on driving shaft and by key and fix; The drive crank axis of guide is fixedly mounted in front drive crank and hole corresponding to rear drive crank, and axial restraint is realized with two M12 fastening nuts in two ends; The driven rocking bar bearing pin of doing with No. 45 steels is by being arranged on the sliding supported condition in driven rocker bracket, the driven rocking bar of two steel is arranged on driven rocking bar with on bearing pin by interference fit, the driven rocking bar axis of guide of steel be arranged in the hole that driven rocking bar is corresponding and by holding screw connect realize fastening; Connecting rod is arranged on the drive crank axis of guide and the driven rocking bar axis of guide by matched in clearance, and moves back and forth along two axis of guides; Reset cylinder assembly is joined with bolts on connecting rod, the original position that reset cylinder components drive spool clamping device is got back to right-hand member in the time that rear drive crank arrives horizontal level; The guide rail of two steel links together with four M8 screws and connecting rod respectively, the slide plate of steel is arranged in two guide rails, and form moving sets with two guide rails, send cylinder assembly to and be connected on the connecting rod of steel by support screw, and drive the slide plate of steel to move back and forth; The contour bolt of feed collet M8 that is used for the 65Mn steel work that clamps spool is connected with slide plate and forms rotary pair; The feed collet connecting rod that 65Mn steel is done is connected with bearing pin with feed collet assembly, steel connecting plate and forms rotary pair, and connecting plate is arranged in the dovetail slideway of slide plate; Clamping cylinder is connected on slide plate by support with screw and drives connecting plate to move back and forth in the dovetail slideway of slide plate, realizes the clamping of feed collet and loosens; Polyurethane fixture block is arranged in the groove of feed collet by the mode of bonding; Slide block is by the long slot bore composition moving sets in two bearing pins and frame, and handle is connected with handle rotating shaft and is connected with key respectively with eccentric wheel, and the slide block driving by eccentric wheel moves down in the long slot bore of frame; The axis of guide in universal caster wheel assembly and the sliding bearing composition moving sets being arranged in slide block, in the time that slide block moves down under eccentric wheel effect, the spring force that is arranged on the Compress Spring generation on the axis of guide is upwards raised motor-driven carrier entirety.
Frame of the present invention and universal caster wheel assembly form movably motor-driven carrier, rotated by reducing motor driven wheel, gear be fixed on tooth bar on doffer and engage driving electric dolly and at the uniform velocity move; Automatic tube drawing device is arranged on motor-driven carrier, and swing type master cylinder assembly, front drive crank, rear drive crank, spool clamping device, driven rocking bar and frame coordinated type coordinate assembling formation series combined mechanism to realize tube drawing action; Complete the action of simulating hand tube drawing thereby the piston rod in active cylinder and drive crank are hinged and drive drive crank reciprocally swinging to drive the clamping device being arranged on connecting rod to do plane motion; Be arranged on spool clamping device on connecting rod by sending that cylinder assembly drives slide plate to move forward and backward in guide rail to realize stretching out of feed collet and the action that bounce back, clamping cylinder Component driver connecting plate move to and realizing the clamping of feed collet and unclamp action through feed collet connecting rod driving feed collet; The inserted polyurethane fixture block that is shaped with in feed collet, after feed collet clamps spool, the action of master cylinder Component driver series combined mechanism realizes tube drawing function; Master cylinder assembly is moved chronologically by Controlled by Programmable Controller, when motor-driven carrier moves to position, before and after master cylinder components drive, drive crank was put 60 degree arrival horizontal levels and approached spool to be pulled out on doffer, motor-driven carrier arrives after assigned address, photoelectric sensor sends signal and makes to send to cylinder action, spool to be pulled out on feed collet fast approaching doffer; Feed collet with on doffer after the spool pulling out is aimed at, clamping cylinder will begin in a minute action drives feed collet clamp spool, now, motor-driven carrier continues at the uniform velocity to advance, spool clamping device is with respect to doffer transfixion, the drive crank axis of guide and the driven rocking bar axis of guide relatively move with respect to spool clamping device, and after tube drawing has moved, reset cylinder components drive spool clamping device returns to initiating means and prepares to start next working cycles; The connecting rod that spool clamping device is housed is arranged on the drive crank axis of guide and the driven rocking bar axis of guide, the length of the drive crank axis of guide and the driven rocking bar axis of guide lengthens, and reserved spool clamping device clamps while doffing pipe because keeping static space required while producing relative slippage with the drive crank axis of guide and the driven rocking bar axis of guide; The motor-driven carrier that pipe drawing device is installed is made up of frame, directive wheel and universal caster wheel assembly, the motion of motor-driven carrier is rotated by reducing motor driven wheel and is engaged realization with the tooth bar being contained on doffer, two location that contacts side surfaces realizes motor-driven carrier and doffer of guiding wheel and rack; For ease of the installation location of motor-driven carrier and doffer, increase the motor-driven carrier arrangement for adjusting height being formed by rotating shaft for handle, eccentric wheel, handle, slide block and spring, handle, handle adopt key to be connected to be connected as a whole with rotating shaft and eccentric wheel, upwards move handle, eccentric wheel rotates thereupon and promotes slide block and moves, under spring-force driven dual, motor-driven carrier whole height suitably increases, and is convenient to adjust little truck position and makes directive wheel and rack bar side in the face of accurate; Move handle downwards, motor-driven carrier whole height is declined, the location that directive wheel and tooth bar contacts side surfaces realize dolly and doffer.
Multi-bar linkage in the clamping device the present invention relates to can be simulated finger motion and realize the clamping action of full spool; The series combined mechanism being made up of cranking block mechanism and four-bar linkage is realized tube drawing action; Clamping device is arranged on the connecting rod of doing Planar Compound motion, realizes the optimization of full spool mobile route in tube drawing process by appropriate design mechanism parameter, avoids the interference of spool and doffer and spool and spindle blade in tube drawing process; While realizing tube drawing work, upwards move handle, eccentric disc rotates thereupon, motor-driven carrier is upwards raised, and motor-driven carrier, near doffer and by gear align rack, is slowly rotated to handle, motor-driven carrier falls, and keep in touch directive wheel and tooth bar side, wheel and rack correct engagement; Reducing motor driven gear rotates, and gear engages and drives motor-driven carrier at the uniform velocity to move along tooth bar with the tooth bar being arranged on doffer; In the time that motor-driven carrier moves to certain position, master cylinder promotes initiatively fork and put 60 degree arrival horizontal levels and approached spool, and motor-driven carrier arrives after assigned address, and photoelectric sensor sends signal, makes to send to cylinder action, feed collet fast approaching material pipe; After this action completes, clamping cylinder will begin in a minute action drives feed collet from full spool top clamping spool, and now, motor-driven carrier continues at the uniform velocity to advance, spool clamping device transfixion, the drive crank axis of guide and the driven rocking bar axis of guide relatively move with respect to spool clamping device; Promote initiatively fork and upwards put 60 degree from horizontal level when feed collet clamps after spool master cylinder, the tube drawing that moved together with drivening rod and the clamping device on being arranged on connecting rod moves.
When the present invention works, clamping device clamps full spool top from horizontal direction, and holding action can not injure yarn; In tube drawing process, because clamping device can move freely with connecting rod in the axis of guide, the suffered cross force of spindle is little, can not cause damage to spindle; Appropriate design mechanism parameter is realized the optimization of full spool mobile route in tube drawing process, avoids the interference of spool and doffer and spool and spindle blade in tube drawing process; The quick combination that the motor-driven carrier arrangement for adjusting height being made up of rotating shaft for handle, eccentric wheel, handle, slide block and spring etc. can be realized motor-driven carrier and doffer easily with separate, reduce labor intensity, dolly moves continuously, each working method that intermittently pulls up three full spools improves motor-driven carrier running stability and tube drawing operating efficiency.
Compared with prior art, its design principle is reliable, simple in structure in the present invention, operation security of operation, and the efficient height of tube drawing automatically, operating efficiency is good, and production environment close friend saves human resources.
Brief description of the drawings:
Fig. 1 is agent structure principle schematic of the present invention.
Fig. 2 is main body plan structure principle schematic of the present invention.
Fig. 3 is spool clamping device structural principle schematic diagram of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing and by embodiment, the present invention is further described.
Embodiment:
Agent structure in the present embodiment comprises frame 1, master cylinder assembly 2, reducing motor 3, directive wheel 4, tooth bar 5, gear 6, drive crank bearing block 7, driving shaft 8, front drive crank 9, spool clamping device 10, the drive crank axis of guide 11, reset cylinder assembly 12, the driven rocking bar axis of guide 13, driven rocking bar 14, driven bearing pin 15 for rocking bar, driven rocker bracket 16, rear drive crank 17, rotating shaft 18 for handle, eccentric wheel 19, handle 20, slide block 21, spring 22 and universal caster wheel assembly 23, master cylinder assembly 2 and reducing motor 3 are connected in the frame 1 made from steel square tube and Plate Welding with four M8 bolts respectively, directive wheel 4 use steel bearing pins are fixed on support, the support that directive wheel 4 is installed is bolted in frame 1 with M8, and the gear 6 of steel adopts key connection be connected with motor shaft and be meshed with the tooth bar 5 that is fixed on the steel on doffer, be arranged in the drive crank bearing block 7 of steel with the driving shaft 8 that No. 45 steels are done and by rolling bearing, it supported, the front drive crank 9 of steel and rear drive crank 17 are arranged on to be respectively connected to realize circumferentially on driving shaft 8 and by key and fix, the drive crank axis of guide 11 is fixedly mounted in the hole of front drive crank 9 and rear drive crank 17 correspondences, and axial restraint is realized with two M12 fastening nuts in two ends, the driven rocking bar bearing pin 15 of doing with No. 45 steels is by being arranged on the sliding supported condition in driven rocker bracket 16, the driven rocking bar 14 of two steel is arranged on driven rocking bar with on bearing pin 15 by interference fit, the driven rocking bar axis of guide 13 of steel be arranged in the hole of driven rocking bar 14 correspondences and by holding screw connect realize fastening, connecting rod 10I is arranged on the drive crank axis of guide 11 and the driven rocking bar axis of guide 13 by matched in clearance, and moves back and forth along two axis of guides, reset cylinder assembly 12 is joined with bolts on connecting rod 10I, the original position that reset cylinder assembly 12 promotes spool clamping device 10 and gets back to right-hand member in the time that rear drive crank 17 arrives horizontal level, the guide rail 10H of two steel links together with four M8 screws and connecting rod 10I respectively, the slide plate 10B of steel is arranged in two guide rail 10H, and form moving sets with two guide rail 10H, send cylinder assembly 10A to and be connected on the connecting rod 10I of steel by support screw, and drive the slide plate 10B of steel to move back and forth, the contour bolt of feed collet 10C M8 that is used for the 65Mn steel work that clamps spool is connected and forms rotary pair with slide plate 10B, the feed collet connecting rod 10G that 65Mn steel is done is connected with bearing pin with feed collet assembly 10C, steel connecting plate 10E and forms rotary pair, and connecting plate 10E is arranged in the dovetail slideway of slide plate 10B, clamping cylinder 10D is connected to slide plate 10B by support with screw and goes up and drive connecting plate 10E to move back and forth in the dovetail slideway of slide plate 10B, realizes the clamping of feed collet 10C and loosens, polyurethane fixture block 10F is arranged in the groove of feed collet 10C by the mode of bonding, slide block 21 is by the long slot bore composition moving sets in two bearing pins and frame 1, and handle 20 is connected with handle rotating shaft 10 and is connected with key respectively with eccentric wheel 19, and the slide block 21 driving by eccentric wheel 19 moves down in the long slot bore of frame 1, the axis of guide in universal caster wheel assembly 23 be arranged on sliding bearing in slide block 21 composition moving sets, in the time that slide block 21 moves down under eccentric wheel 19 effects, be arranged on the spring force that the Compress Spring 22 on the axis of guide produces motor-driven carrier entirety upwards raised.
Frame 1 and the universal caster wheel assembly 23 of the present embodiment form movably motor-driven carrier, rotated by reducing motor 3 driven wheels 6, gear 6 be fixed on tooth bar 5 on doffer and engage driving electric dolly and at the uniform velocity move; Automatic tube drawing device is arranged on motor-driven carrier, and swing type master cylinder assembly 2, front drive crank 9, rear drive crank 17, spool clamping device 10, driven rocking bar 14 and frame 1 coordinated type coordinate assembling formation series combined mechanism to realize tube drawing action; Complete the action of simulating hand tube drawing thereby the piston rod in active cylinder and drive crank are hinged and drive drive crank reciprocally swinging to drive the clamping device being arranged on connecting rod to do plane motion; Cylinder assembly 10A drives slide plate 10B to move forward and backward in guide rail 10H to realize stretching out of feed collet 10C and the action that bounce back, clamping cylinder assembly 10D driving connecting plate 10E move and realize the clamping of feed collet and unclamp action through feed collet connecting rod 10G driving feed collet 10C by sending to be arranged on spool clamping device 10 on connecting rod 10I; The inserted polyurethane fixture block 10F that is shaped with in feed collet 10C, after feed collet 10C clamps spool, master cylinder assembly 2 drives series combined mechanism action to realize tube drawing function; Master cylinder assembly 2 is moved chronologically by Controlled by Programmable Controller, when motor-driven carrier moves to position, before and after master cylinder assembly 2 promotes, drive crank 9 and 17 was put 60 degree arrival horizontal levels and approached spool to be pulled out on doffer, motor-driven carrier arrives after assigned address, photoelectric sensor sends signal and makes to send to cylinder 10A action, spool to be pulled out on feed collet 10C fast approaching doffer; Feed collet 10C with on doffer after the spool pulling out is aimed at, clamping cylinder 10D will begin in a minute action drives feed collet 10C clamp spool, now, motor-driven carrier continues at the uniform velocity to advance, spool clamping device 10 is with respect to doffer transfixion, the drive crank axis of guide 11 and the driven rocking bar axis of guide 13 relatively move with respect to spool clamping device 10, and after tube drawing has moved, reset cylinder assembly 12 promotes spool clamping device 10 and returns to the next working cycles of initiating means preparation beginning; The connecting rod that spool clamping device 10 is housed is arranged on the drive crank axis of guide 11 and the driven rocking bar axis of guide 13, the length of the drive crank axis of guide 11 and the driven rocking bar axis of guide 13 lengthens, and reserved spool clamping device 10 clamps while doffing pipe because keeping static space required while producing relative slippage with the drive crank axis of guide 11 and the driven rocking bar axis of guide 13; The motor-driven carrier that pipe drawing device is installed is made up of frame 1, directive wheel 4 and universal caster wheel assembly 23, the motion of motor-driven carrier is rotated by reducing motor 3 driven wheels 6 and is engaged realization with the tooth bar 5 being contained on doffer, two location that contacts side surfaces realizes motor-driven carrier and doffer of directive wheel 4 and tooth bar 5; For ease of the installation location of motor-driven carrier and doffer, increase the motor-driven carrier arrangement for adjusting height being formed by rotating shaft 18 for handle, eccentric wheel 19, handle 20, slide block 21 and spring 22, handle 20, handle adopt key to be connected to be connected as a whole with rotating shaft 18 and eccentric wheel 19, upwards move handle 20, eccentric wheel 19 rotates thereupon and promotes slide block 21 and moves, under spring-force driven dual, motor-driven carrier whole height suitably increases, and is convenient to adjust little truck position directive wheel 4 is aimed at tooth bar 5 sides; Move handle 20 downwards, motor-driven carrier whole height is declined, the location that directive wheel 4 and tooth bar 5 contacts side surfaces realize dolly and doffer.
Claims (3)
1. a doffer automatic tube drawing device, is characterized in that agent structure comprises frame, master cylinder assembly, reducing motor, directive wheel, tooth bar, gear, drive crank bearing block, driving shaft, front drive crank, spool clamping device, the drive crank axis of guide, reset cylinder assembly, the driven rocking bar axis of guide, driven rocking bar, driven bearing pin, driven rocker bracket, rear drive crank, rotating shaft for handle, eccentric wheel, handle, slide block, spring and universal caster wheel assembly for rocking bar; Master cylinder assembly and reducing motor are connected in the frame made from steel square tube and Plate Welding with four M8 bolts respectively, directive wheel is fixed on support with steel bearing pin, the support that directive wheel is installed is bolted in frame with M8, and the gear of steel adopts key connection be connected with motor shaft and be meshed with the tooth bar that is fixed on the steel on doffer; Be arranged in the drive crank bearing block of steel with the driving shaft that No. 45 steels are done and by rolling bearing, it supported, the front drive crank of steel and rear drive crank are arranged on to be respectively connected to realize circumferentially on driving shaft and by key and fix; The drive crank axis of guide is fixedly mounted in front drive crank and hole corresponding to rear drive crank, and axial restraint is realized with two M12 fastening nuts in two ends; The driven rocking bar bearing pin of doing with No. 45 steels is by being arranged on the sliding supported condition in driven rocker bracket, the driven rocking bar of two steel is arranged on driven rocking bar with on bearing pin by interference fit, the driven rocking bar axis of guide of steel be arranged in the hole that driven rocking bar is corresponding and by holding screw connect realize fastening; Connecting rod is arranged on the drive crank axis of guide and the driven rocking bar axis of guide by matched in clearance, and moves back and forth along two axis of guides; Reset cylinder assembly is joined with bolts on connecting rod, the original position that reset cylinder components drive spool clamping device is got back to right-hand member in the time that rear drive crank arrives horizontal level; The guide rail of two steel links together with four M8 screws and connecting rod respectively, the slide plate of steel is arranged in two guide rails, and form moving sets with two guide rails, send cylinder assembly to and be connected on the connecting rod of steel by support screw, and drive the slide plate of steel to move back and forth; The contour bolt of feed collet M8 that is used for the 65Mn steel work that clamps spool is connected with slide plate and forms rotary pair; The feed collet connecting rod that 65Mn steel is done is connected with bearing pin with feed collet assembly, steel connecting plate and forms rotary pair, and connecting plate is arranged in the dovetail slideway of slide plate; Clamping cylinder is connected on slide plate by support with screw and drives connecting plate to move back and forth in the dovetail slideway of slide plate, realizes the clamping of feed collet and loosens; Polyurethane fixture block is arranged in the groove of feed collet by the mode of bonding; Slide block is by the long slot bore composition moving sets in two bearing pins and frame, and handle is connected with handle rotating shaft and is connected with key respectively with eccentric wheel, and the slide block driving by eccentric wheel moves down in the long slot bore of frame; The axis of guide in universal caster wheel assembly and the sliding bearing composition moving sets being arranged in slide block, in the time that slide block moves down under eccentric wheel effect, the spring force that is arranged on the Compress Spring generation on the axis of guide is upwards raised motor-driven carrier entirety.
2. doffer automatic tube drawing device according to claim 1, it is characterized in that frame and universal caster wheel assembly form movably motor-driven carrier, rotated by reducing motor driven wheel, gear be fixed on tooth bar on doffer and engage driving electric dolly and at the uniform velocity move; Automatic tube drawing device is arranged on motor-driven carrier, and swing type master cylinder assembly, front drive crank, rear drive crank, spool clamping device, driven rocking bar and frame coordinated type coordinate assembling formation series combined mechanism to realize tube drawing action; Complete the action of simulating hand tube drawing thereby the piston rod in active cylinder and drive crank are hinged and drive drive crank reciprocally swinging to drive the clamping device being arranged on connecting rod to do plane motion; Be arranged on spool clamping device on connecting rod by sending that cylinder assembly drives slide plate to move forward and backward in guide rail to realize stretching out of feed collet and the action that bounce back, clamping cylinder Component driver connecting plate move to and realizing the clamping of feed collet and unclamp action through feed collet connecting rod driving feed collet; The inserted polyurethane fixture block that is shaped with in feed collet, after feed collet clamps spool, the action of master cylinder Component driver series combined mechanism realizes tube drawing function; Master cylinder assembly is moved chronologically by Controlled by Programmable Controller, when motor-driven carrier moves to position, before and after master cylinder components drive, drive crank was put 60 degree arrival horizontal levels and approached spool to be pulled out on doffer, motor-driven carrier arrives after assigned address, photoelectric sensor sends signal and makes to send to cylinder action, spool to be pulled out on feed collet fast approaching doffer; Feed collet with on doffer after the spool pulling out is aimed at, clamping cylinder will begin in a minute action drives feed collet clamp spool, now, motor-driven carrier continues at the uniform velocity to advance, spool clamping device is with respect to doffer transfixion, the drive crank axis of guide and the driven rocking bar axis of guide relatively move with respect to spool clamping device, and after tube drawing has moved, reset cylinder components drive spool clamping device returns to initiating means and prepares to start next working cycles; The connecting rod that spool clamping device is housed is arranged on the drive crank axis of guide and the driven rocking bar axis of guide, the length of the drive crank axis of guide and the driven rocking bar axis of guide lengthens, and reserved spool clamping device clamps while doffing pipe because keeping static space required while producing relative slippage with the drive crank axis of guide and the driven rocking bar axis of guide; The motor-driven carrier that pipe drawing device is installed is made up of frame, directive wheel and universal caster wheel assembly, the motion of motor-driven carrier is rotated by reducing motor driven wheel and is engaged realization with the tooth bar being contained on doffer, two location that contacts side surfaces realizes motor-driven carrier and doffer of guiding wheel and rack; For ease of the installation location of motor-driven carrier and doffer, increase the motor-driven carrier arrangement for adjusting height being formed by rotating shaft for handle, eccentric wheel, handle, slide block and spring, handle, handle adopt key to be connected to be connected as a whole with rotating shaft and eccentric wheel, upwards move handle, eccentric wheel rotates thereupon and promotes slide block and moves, under spring-force driven dual, motor-driven carrier whole height suitably increases, and is convenient to adjust little truck position and makes directive wheel and rack bar side in the face of accurate; Move handle downwards, motor-driven carrier whole height is declined, the location that directive wheel and tooth bar contacts side surfaces realize dolly and doffer.
3. doffer automatic tube drawing device according to claim 1, the multi-bar linkage in the clamping device that it is characterized in that relating to can be simulated finger motion and realize the clamping action of full spool; The series combined mechanism being made up of cranking block mechanism and four-bar linkage is realized tube drawing action; Clamping device is arranged on the connecting rod of doing Planar Compound motion, realizes the optimization of full spool mobile route in tube drawing process by appropriate design mechanism parameter, avoids the interference of spool and doffer and spool and spindle blade in tube drawing process; While realizing tube drawing work, upwards move handle, eccentric wheel rotates thereupon, motor-driven carrier is upwards raised, and motor-driven carrier, near doffer and by gear align rack, is slowly rotated to handle, motor-driven carrier falls, and keep in touch directive wheel and tooth bar side, wheel and rack correct engagement; Reducing motor driven gear rotates, and gear engages and drives motor-driven carrier at the uniform velocity to move along tooth bar with the tooth bar being arranged on doffer; In the time that motor-driven carrier moves to certain position, master cylinder promotes initiatively fork and put 60 degree arrival horizontal levels and approached spool, and motor-driven carrier arrives after assigned address, and photoelectric sensor sends signal, makes to send to cylinder action, feed collet fast approaching material pipe; After this action completes, clamping cylinder will begin in a minute action drives feed collet from full spool top clamping spool, and now, motor-driven carrier continues at the uniform velocity to advance, spool clamping device transfixion, the drive crank axis of guide and the driven rocking bar axis of guide relatively move with respect to spool clamping device; Promote initiatively fork and upwards put 60 degree from horizontal level when feed collet clamps after spool master cylinder, the tube drawing that moved together with drivening rod and the clamping device on being arranged on connecting rod moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210451312.5A CN102912496B (en) | 2012-11-12 | 2012-11-12 | Automatic tube drawing device of doffer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210451312.5A CN102912496B (en) | 2012-11-12 | 2012-11-12 | Automatic tube drawing device of doffer |
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| CN102912496A CN102912496A (en) | 2013-02-06 |
| CN102912496B true CN102912496B (en) | 2014-11-05 |
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| CN201210451312.5A Expired - Fee Related CN102912496B (en) | 2012-11-12 | 2012-11-12 | Automatic tube drawing device of doffer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103305983B (en) * | 2013-06-28 | 2015-05-27 | 青岛大学 | Rotary twisting type tube clamping device for automatic doffer |
| CN104420029A (en) * | 2013-08-20 | 2015-03-18 | 青岛云龙纺织机械有限公司 | Gear rack back-and-forth tube feeding device |
| CN104420025A (en) * | 2013-08-20 | 2015-03-18 | 青岛云龙纺织机械有限公司 | Elastic supporting wheel device |
| CN103603104A (en) * | 2013-11-14 | 2014-02-26 | 太原科技大学 | Automatic tube drawing device for doffer |
| CN103710800B (en) * | 2013-12-31 | 2016-01-20 | 东华大学 | A kind of actuating unit of automatic doffing system |
| CN105063829A (en) * | 2015-07-17 | 2015-11-18 | 吴江新劲纺织有限公司 | Textile machine supporting device |
| CN105755600B (en) * | 2016-04-01 | 2023-09-19 | 南通金驰机电有限公司 | Translational type integrated doffing device |
| CN107287710B (en) * | 2017-07-05 | 2023-05-26 | 青岛大学 | Automatic doffer bobbin clamping device capable of self-adapting to spindle installation error |
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- 2012-11-12 CN CN201210451312.5A patent/CN102912496B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4766718A (en) * | 1985-10-16 | 1988-08-30 | Zinser Textilmaschinen Gmbh | Positioning mechanism for a traveling automatic maintenance unit for a textile ring spinning machine or the like |
| CN201288233Y (en) * | 2008-09-24 | 2009-08-12 | 新昌县今朝机械有限公司 | Automatic doffer |
| CN101701385A (en) * | 2009-11-04 | 2010-05-05 | 清华大学 | Automatic doffing device |
| CN102296394A (en) * | 2011-01-28 | 2011-12-28 | 侯国阳 | Automatic doffing device used for spinning machine |
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| CN102912496A (en) | 2013-02-06 |
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