Automatic Braiding Method And Braiding Equipment For Metal Ring Chains
Technical field
The present invention relates to metalworking technology, specifically a kind of method for automatically abutting of round-link chain and woollen yarn knitting device.
Background technology
At present, manual operations, punch ram shaping woollen yarn knitting are mainly adopted in the production of round-link chain.During production, manual the blank bar is put into die cavity, through press-bending, link, bend and knit again.The defective of this method is: 1. labour intensity hand-manipulated is big, and industrial accident is frequent.2. blank bar size reduces at flexural deformation position radial dimension, and the material internal structure has tearing defect and trend, influences chain link tensile strength.3. the interface slit is inhomogeneous, influences welding quality.4. the interface termination easily produces dislocation.5. pressure surface produces crush injury, influences surface quality.
Summary of the invention
The objective of the invention is to seek a kind of Automatic Braiding Method And Braiding Equipment For Metal Ring Chains, to have the manual production mode now promotes and is the automated production mode, it is big to efficiently solve in the current production labor strength, hinder the frequent problem of hand accident, improved product quality, and chain is knitted infinitely longways.
According to scheme provided by the present invention, the metal circular ring chain method for automatically abutting comprises: a, location: manipulator stretches out, and its finger will enter the blank bar of station and clamp; B, moulding for the first time: the two ends of main chain bending mechanism pulling blank bar make the two ends of blank bar bend to the U-shaped bar around core; C, moulding for the second time: the left side chain bending mechanism promotes the left end of U-shaped bar, and it is parallel with the bottom of U-shaped bar that left end further is bent to around core; D, moulding for the third time: the right lateral bend chain mechanism promotes the right-hand member of U-shaped bar, the left side chain bending mechanism is resetted, and it is parallel with the bottom of U-shaped bar that right-hand member further is bent to around core, and make the two ends, the left and right sides of U-shaped bar relative, form chain link, the right lateral bend chain mechanism resets then; E, get chain link: the last core in the core separates up and down mutually with following core, and the finger of manipulator drives upwards swing of chain link, returns backward again, and chain link is taken out from core; F, upset chain link: go up core and following core closure, manipulator is to lower swing, simultaneously around its axis half-twist, make chain link become vertical configuration, and the opening direction that makes this chain link is identical with the opening direction of chain link that separates, send to forward again, chain link is vertically sent in the closed core groove, wait for that next blank bar sends into; Then, g, revolution reset: the finger of manipulator unclamps, and returns, and opposite spin resets for 90 ° again; Finish a working cycles.
The used woollen yarn knitting device of this metal circular ring chain method for automatically abutting comprises:
Can advance and the manipulator that retreats, can also rotate around its axis along its axis, the finger that can open with closed be arranged in the end of manipulator; Can separate up and down and closed last core and following core; Main chain bending mechanism, comprise a slide block, the piston rod that on slide block, connects curved chain master cylinder, and the curved chain oil cylinder in the right side in curved chain oil cylinder in the left side in the left chain bending mechanism and the right chain bending mechanism, the piston rod of the curved chain oil cylinder in a left side is connected with the middle part of the curved chain lever in a L shaped left side, one end of the curved chain lever in a L shaped left side is hinged with the bearing pin that is arranged on the slide block, the other end is installed the curved chain roller in a left side, the piston rod of right curved chain oil cylinder is connected with the middle part of the curved chain lever in the L shaped right side, one end of the curved chain lever in the L shaped right side is same and bearing pin is hinged, and the other end is installed right curved chain roller.
On slide block, be provided for limiting the sensor of displacement of the piston rod of left and right curved chain oil cylinder respectively.On manipulator, install and to drive manipulator, overturning oil cylinder is arranged in switching mechanism around the switching mechanism that its axis rotates.
On manipulator, have perpendicular to the axis of manipulator and be level to bearing pin, and the swing mechanism that can driving device winding by hand bearing pin rotates.On manipulator, be provided for the oil cylinder that the driving device hand advances and retreats, and be used to clamp and unclamp the oil cylinder of its finger.Be used for that the driving device hand advances and the oil cylinder that retreats is the cross-under oil cylinder with the oil cylinder that is used to clamp and unclamp its finger.
The deep-slotted chip breaker that the transverse shape of setting and chain link blank bar matches on the periphery of left and right curved chain roller.On core up and down, have 1/4 arc groove along closed composition surface symmetry, closed back forms a half circle groove in the core border, and the diameter of this 1/4 arc groove and blank bar matches.
The present invention will have the manual production mode now and promote and be the automated production mode, and it is big to efficiently solve in the current production labor strength, hinders the frequent problem of hand accident, has improved product quality, and chain is knitted infinitely longways.Adopt mechanical, electrical, liquid integrated method that chain bending mechanism, manipulator, core mechanism are organically combined, curved chain process automation is realized.Its operation principle is to utilize hydraulic pressure transfer power, makes chain bending mechanism, manipulator, core mechanism obtain action, and each action control is transmitted signal by position switch and given relevant controlling organization.
The woollen yarn knitting device mainly is made up of three parts, and 1. chain bending mechanism comprises main chain bending mechanism, left chain bending mechanism and right chain bending mechanism, chain bending mechanism by slide block, curved chain master cylinder, about curved chain oil cylinder and about curved chain roller, bend chain lever etc. and form.Curved chain master cylinder is fixed in frame, drives a slide block.Left and right curved chain oil cylinder is fixed in slide block, and two tailpieces of the piston rod of left and right curved chain oil cylinder respectively connect a curved chain lever, and curved chain lever has three hinge axis holes of distribution triangular in shape.The shared bearing pin A in one of them hole is connected in slide block.Left and right curved chain roller is contained in respectively on two curved chain levers.The deep-slotted chip breaker that the transverse shape of setting and chain link blank bar matches on the periphery of left and right curved chain roller.2. manipulator mechanism, manipulator is equipped with two fingers, is used for clamping picking and placeing the blank bar.Manipulator mainly by forward-reverse oil cylinder, clamping and release oil cylinder, left and right sides overturning oil cylinder, swing up and down oil cylinder and constitute.Forward-reverse, clamping and release oil cylinder are the cross-under oil cylinder, and overturning oil cylinder and forward-reverse oil cylinder are cross to be arranged, radial type is continuous with it in forward-reverse oil cylinder bottom for oscillating oil cylinder.3. core mechanism, core is made up of movable and fixing core up and down, and the switching function is arranged, and following core is connected with frame.Core is pressed the different product specification and is made.The inner arc size of its cavity dimension and chain link is coincide after the core closure up and down.Open and close function to realize picking and placeing the blank bar.So-called cross-under oil cylinder is meant that the piston rod of clamping and release oil cylinder passes
The present invention can realize the production automation, and the production efficiency height alleviates labor strength, and production process is safe and reliable, constant product quality, and surface quality is improved, and shape and size precision is guaranteed, and the mechanical property of materials is not damaged.
Description of drawings
Fig. 1 is an automatic chain bending equipment mechanism sketch of the present invention.
Fig. 2 bends the chain process schematic diagram.
Fig. 2 a is a chain link blank bar state to be curved in place.
Fig. 2 b is a first order bends, and the blank bar is bent to the U-shaped bar.
Fig. 2 c is a second order bends, bends to an end of U-shaped bar semi-circular.
Fig. 2 d is that the other end with the U-shaped bar bends to semi-circular.Make the U-shaped bar curve a chain link.
Fig. 3 is the curved chain process core location drawing.
The a diagrammatic sketch is chain state to be curved, core closure up and down among the figure.The b diagrammatic sketch is a first order bends, up and down the core closure.The c diagrammatic sketch is a second order bends, up and down the core closure.The d diagrammatic sketch is a third order bends, and (having curved chain link) be the core closure up and down.The e diagrammatic sketch is to take out chain link, core open position up and down.The f diagrammatic sketch is to have taken out chain link, up and down the core closing position.To be chain link enter down road connection station, core closing position up and down according to after 90 ° of the x axle upsets to the g diagrammatic sketch.
Fig. 4 is curved each station schematic diagram of sprocket wheel.
I is a station one among the figure, when being blank bar 8 state to be curved, and the position of curved chain roller; II is a station two, is blank bar 8 when curving U-shaped bar 18, curved chain roller position; III is a station three, is an end of U-shaped bar 18 when curving semicircular ring, the position of curved chain roller; IV is a station four, is that the other end of U-shaped bar 18 curves semicircular ring, when forming chain link 20, and the position of curved chain roller.
The specific embodiment
Metal circular ring chain is knitted device as shown in Figure 1 automatically: be made up of three parts, 1. manipulator mechanism, 2. chain bending mechanism, 3. core mechanism.In the manipulator mechanism, manipulator can move forward and backward.Driving device hand 1 advances and the oil cylinder that retreats is finished by being used in its action.It is to clamp or send to blank bar 8 that manipulator 1 advances, and retreating is to fetch chain link 20 to be flipped.Finger 4 expansibles and the closure of manipulator 1.Its action is finished by oil cylinder.Manipulator 1 stretches out and puts in place, and its finger 4 opens closed again, clamps blank bar 8, makes blank bar 8 be stabilized in its position in BENDING PROCESS.
Manipulator 1 can about the upset 90 °.Its action is finished by the overturning oil cylinder in the switching mechanism 2.After chain link curved, manipulator 1 was fetched 90 ° of a left side or right upsets with the chain link clamped 20 from core.
Manipulator 1 can swing up and down.Its action is by finishing with the hinged oscillating oil cylinder 3 of serial oil cylinders.After chain link 20 curved, last core 6 was opened, and manipulator 1 is around upwards swing of its bearing pin 17, and the chain link clamped 20 is fetched from core, to lower swing, overturn and delivered to next station again after 90 °.
In curved chain process, be used for that driving device hand 1 advances and the oil cylinder that retreats is given a pressure to the bottom 19 of the U-shaped bar 18 clamped.This power is controlled the distortion of arching upward of bottom 19 in BENDING PROCESS of U-shaped bar 18.
Manipulator mechanism is connected with the frame radial type.
In the automatic chain bending device, chain bending mechanism is by left and right curved chain roller 5,16, about curved chain lever 15,9, curved chain master cylinder 10, about curved chain oil cylinder 14,11, compositions such as slide block 12, sensor 13.
In chain bending mechanism, curved chain master cylinder 10 is fixedlyed connected with frame, and the piston rod of curved chain master cylinder 10 is fixedlyed connected with slide block 12.But slide block 12 rectilinear motions.About curved chain roller 5,16 in slide block 12 motions, earlier blank bar 8 is bent to U-shaped bar 18 according to core.
Have left and right curved chain oil cylinder 14,11 to fixedly connected with slide block 12, its piston rod connect respectively L shaped about curved chain lever 15,9, about curved chain roller 5,16 be installed on respectively L shaped about an end of curved chain lever 15,9.Left and right curved chain oil cylinder 14,11 minutes earlier, the back motion, curved chain roller 5,16 about driving respectively curves the two ends of crooked U-shaped bar 18 respectively the chain link 20 of annular.
Three hinge axis holes that distribution triangular in shape is arranged respectively on the left and right curved chain lever 15,9, the shared bearing pin A of its inboard axis hole is articulated on the slide block 12.When curved chain oil cylinder 14 in a left side or right curved chain oil cylinder 11 motions, its piston rod promotes curved chain lever 15 in a left side or right curved chain lever 9 respectively, curved chain lever 15 in a left side or right curved chain lever 9 are swung around bearing pin A, make curved chain roller 5 in a left side or right curved chain roller 16 in curved chain lever 15 in a left side or right curved chain lever 9 swings, blank bar 8 is further curved the chain link of annular.Be flexible connection between curved chain oil cylinder 11 of the curved chain lever 15 of a curved chain oil cylinder 14 in a left side and a left side and the right side and the right curved chain lever 9.
On left and right curved chain lever 15,9, be separately installed with a curved chain roller 5,16, the periphery of curved chain roller 5,16 have one with the identical deep-slotted chip breaker of the diameter of blank bar 8.In curved ring process, blank bar 8 is along the deep-slotted chip breaker internal strain of core at curved chain roller.
In the automatic chain bending device, a kind of core by the product specification design is arranged, core is made up of with following core 7 last core 6.Last core 6 is controlled by an oil cylinder, can move up and down.During curved chain, core 6,7 closures up and down, when getting chain up and down core 6,7 open.On the core 6,7, have 1/4 arc groove along closed composition surface symmetry up and down, closed back forms a half circle groove in the core border, and the diameter of this arc groove and U-shaped bar 18 matches.
The method for automatically abutting of metal circular ring chain is shown in Fig. 2,3,4.
The first step, cold conditions or hot round-link chain blank bar 8 are sent into station automatically, and (Fig. 2 a), manipulator 1 stretches out, and its finger 4 opens the middle part of clamping blank bar 8.Curved chain master cylinder 10 actions (Fig. 2 b) make slide block 12 motions, drive two curved chain rollers 5,16 again and move, and the two ends of pulling blank bar 8 force blank bar 8 to curve U-shaped bar 18 on core.
Second step, curved chain oil cylinder 14 actions in a left side, its piston rod is released (Fig. 2 c), make curved chain lever 15 swings in a left side, the curved chain roller 5 in a left side is swung thereupon, the inside end of rolling U-shaped bar 18, an end of U-shaped bar 18 further is bent to linearity bottom 19 parallel putting in place with U-shaped bar 18 along the core die cavity after.
In the 3rd step, right curved chain oil cylinder 11 actions drive right curved chain lever 9 swings (Fig. 2 d), and the curved chain oil cylinder 14 in a left side resets simultaneously, drives the curved chain roller 5 in a left side by the curved chain lever 15 in a left side and returns the other end that right curved chain roller 16 is swung inside rolling U-shaped bar 18 thereupon.The other end of U-shaped bar 18 is bent to parallel along the core die cavity, and makes this end and winding song puts in place in second step relative contact of that end, form chain link 20 with the bottom 19 of U-shaped bar 18.
In the 4th step, last core 6 moves up under the drive of its oil cylinder, and core is separated from each other about making, and the finger 4 of manipulator 1 is clamped the chain link 20 upwards swing (Fig. 3 e) earlier that has curved, and returns backward again, and chain link 20 is taken out (Fig. 3 f) from core.
In the 5th step, last core 6 moves down, with following core 7 closures.Manipulator 1 is to lower swing, and overturns 90 °, sends to forward again, and chain link 20 is vertically sent in the closed core groove, waits for sending into of next blank bar 8, finishes a working cycles.
In curved chain process, its core operating position as shown in Figure 3.
Fig. 3 a is core 6,7 closure states up and down, and blank bar 8 enters station, sends last curved good chain link 20 to.Fig. 3 b is a core closure up and down, and blank bar 8 is curved U-shaped bar 18.Fig. 3 c is core 6,7 closures up and down, and an end of U-shaped bar 18 is curved semicircular ring.Fig. 3 d is core 6,7 closures up and down, and the other end of U-shaped bar 18 is curved semicircular ring, synthetic one complete chain link 20.Fig. 3 e is that core 6,7 is opened up and down, will bend good chain link 20 from core 7 taking-ups down.Fig. 3 f is that chain link 20 takes out, up and down core 6,7 closures.Fig. 3 g is core 6,7 closures up and down, and curved good chain link 20 is sent into and knitted station again, waits for the woollen yarn knitting of shot of a cable ring 20 down.
In knitting chain link method embodiment automatically, the curved chain roller station of each course of work is seen Fig. 4.Among Fig. 4, station one is a blank bar 8 to be curved when entering station, the position at left and right curved chain roller 5,16 places.Station two is blank bars 8 when core is bent to U-shaped bar 18, the position at left and right curved chain roller 5,16 places.When station three is the left end bending forming of U-shaped bar 18, the position at curved chain roller 5 places, a left side.After station four is the right-hand member bending forming of U-shaped bar 18, the position at right curved chain roller 16 places.Arrow refers to the direction of motion of curved chain roller among the figure.