Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of upper loop device of ring inserter simple in structure.
For achieving the above object, the present invention is by the following technical solutions:
A kind of weld-ring registration mechanism of ring inserter comprises clamping cylinder and mandrel, it is characterized in that:
Be provided with plunger shaft in the clamping cylinder, but an end of clamping cylinder is provided with the recess of clamping weld-ring, plunger shaft is equipped with back-moving spring near the other end of clamping cylinder in the plunger shaft;
Mandrel comprises piston section, connecting rod section and can fill in the latch section of U-shaped pipe bend, piston section, connecting rod section, latch section, recess and plunger shaft are coaxial, the connecting rod section is connected between piston section and the latch, the piston section be installed in the plunger shaft and be slidingly matched for the latch section from clamping cylinder, stretch out or the retraction clamping cylinder in, so that the latch section is passed recess and exposed, pass from the outlet of the second end of plunger shaft by the connecting rod section between plunger shaft one end and piston section for the back-moving spring contact.
Technique scheme can also be further improved by following technical measures:
Above-mentioned latch section comprises column part and tapered segment, and column part is connected between connecting rod section and the tapered segment.
The diameter of above-mentioned connecting rod section is that the diameter of the column part of latch section is less than or equal to the return bend internal diameter more than or equal to the external diameter of return bend and less than the weld-ring internal diameter.
Above-mentioned connecting rod section is provided with chamfering near an end of latch section.
Above each technical measures can be selected a use, also use capable of being combined.
The present invention is simple in structure, and is rationally distributed, easy to manufacture, easy to operate.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
As shown in the figure, a kind of ring inserter, comprise frame 1 and upper loop device, upper loop device comprises lower ring plate 2 and clamping cylinder 3, on the panel 4 of the level that is fixed on frame that lower ring plate is upright, lower ring plate is provided with the decline passway 5 that can supply upright weld-ring to pass through, and the lower end of decline passway has can be for the horizontal channel 6 of upright weld-ring along the slippage of weld-ring axis direction, and horizontal channel and decline passway infall are the weld-ring berths that can supply weld-ring to stand up;
The weld-ring registration mechanism of this ring inserter comprises clamping cylinder and mandrel;
Be connected with pressure ring seat 7 by horizontal mobile device and longitudinal moving device on the panel of frame, being fixed on the pressure ring seat of clamping cylinder level, longitudinal moving device drives clamping cylinder and moves around at a pressed on ring station and a collar station, horizontal mobile device drives clamping cylinder and moves around at a collar station and a pressure ring station, clamping cylinder when the pressed on ring station and the horizontal channel coaxial;
But an end of the close horizontal channel of clamping cylinder is provided with the recess 8 of clamping weld-ring, is provided with plunger shaft 47 in the clamping cylinder, and plunger shaft is equipped with the back-moving spring (not shown) near the other end away from the horizontal channel of clamping cylinder in the plunger shaft;
Mandrel 9 is installed in the clamping cylinder, mandrel comprises piston section 10, connecting rod section 11 and the latch section 12 that can fill in the port of U-shaped pipe bend, the piston section, the connecting rod section, the latch section, recess and plunger shaft are coaxial, the connecting rod section is connected between piston section and the latch section, the piston section be installed in the plunger shaft and be slidingly matched for the latch section from clamping cylinder, stretch out or the retraction clamping cylinder in, the back-moving spring contact between plunger shaft one end and piston section so that the latch section pass recess and expose, the connecting rod section is passed from the outlet of the second end of plunger shaft, and the latch section stretches into the horizontal channel when clamping cylinder is in the pressed on ring station;
Be connected with throw-out collar bar 13 by throw-out collar bar driving mechanism on the lower ring plate, the throw-out collar bar is from the horizontal channel of stretching into away from an end of clamping cylinder of horizontal channel, the throw-out collar bar moves along the horizontal channel under the effect of throw-out collar bar driving mechanism, end by mandrel of throw-out collar bar is provided with the centre bore 14 that can hold the latch section, and the throw-out collar bar is enclosed within on the latch section near recess space-time at the throw-out collar bar by this centre bore;
Lower ring plate is provided with welding ring inversion prevention mechanism, and welding ring inversion prevention mechanism cooperates the common weld-ring that stands upright on the weld-ring berth of helping with the throw-out collar bar;
The pressure ring seat is provided with ring pressing mechanism of perforation book.
Above-mentioned throw-out collar bar driving mechanism comprises upper ring plate 15, upper ring plate guide pillar 16 and pressed on ring cylinder 17, on the sidewall of the dorsad clamping cylinder that is fixed on lower ring plate of upper ring plate guide pillar level, but be enclosed within on the upper ring plate guide pillar upper ring plate horizontal sliding, being fixed on the upper ring plate of above-mentioned throw-out collar bar level, the pressed on ring cylinder be installed in lower ring plate on the sidewall of clamping cylinder, the piston rod of pressed on ring cylinder is fixedly connected to drive the upper ring plate horizontal sliding with upper ring plate after passing slippingly lower ring plate.
Above-mentioned welding ring inversion prevention mechanism comprises weld-ring baffle plate 18, the weld-ring baffle plate be hubbed on above-mentioned lower ring plate on the sidewall of above-mentioned clamping cylinder, be provided with back-moving spring 19 between weld-ring baffle plate and the lower ring plate, the weld-ring baffle plate helps position and an open position to rotate back and forth one, when entering the support position under the effect of weld-ring baffle plate at back-moving spring, the movable end of weld-ring baffle plate enters above-mentioned horizontal channel and reclines above-mentioned weld-ring berth.
Above-mentioned lower ring plate on the sidewall of above-mentioned clamping cylinder, be installed with two weld-ring apron blocks 20, stride between the two weld-ring apron blocks and be provided with a weld-ring damper shaft (not shown), the axis of weld-ring damper shaft be level and be parallel to the lower ring plate sidewall, above-mentioned weld-ring baffle plate bottom is provided with two hinged ears 21, above-mentioned back-moving spring is torsion spring, the weld-ring damper shaft is passed two hinged ear and torsion springs, torsion spring is between two hinged ears, one of torsion spring plays leg and weld-ring baffle plate bottom surface offsets, another plays leg and the lower ring plate sidewall offsets, and the weld-ring baffle plate reclines lower ring plate and is in the support position under the contact of torsion spring.
Above-mentioned decline passway is vertical, its lower end is fitted with the upper ring cap 22 of level, the middle vacancy of upper ring cap is above-mentioned horizontal channel, the perisporium of upper ring cap is provided with the lower annular distance 23 that decline passway can be communicated with the horizontal channel, the both sides of the section of stretching out of upper ring cap offer can for above-mentioned latch section radially the breach 24 that passes through of level form guide tile 25 and lower guide tile 26, the movable end on above-mentioned weld-ring baffle plate top is provided with at least two gear teeth 27, the drift angle of gear tooth enters the horizontal channel and the above-mentioned weld-ring berth that reclines through breach, and lower guide tile passes between two gear teeth.
Two decline passwaies, two upper ring caps and two throw-out collar bars are arranged on the above-mentioned lower ring plate, above-mentioned pressure ring seat is provided with two clamping cylinders and two mandrels, the movable end on above-mentioned weld-ring baffle plate top is provided with three gear teeth, three gear teeth form two gaps, and the lower guide tile of each upper ring cap passes from the gap of correspondence respectively.
Above-mentioned ring pressing mechanism of perforation book comprises chuck 28 and pressure ring cylinder 29, the rear portion of above-mentioned clamping cylinder and above-mentioned pressure ring seat are fixed, the front portion of clamping cylinder is provided with two axial slit 30 and forms two jig arm 31, the above-mentioned recess of the common formation of the inwall of two jig arm front ends, the outer wall of two jig arm forms the forward outer conical surface 32 of flaring jointly, chuck is set on the clamping cylinder, and chuck and jig arm cooperation place are the internal conical surfaces 33 that can clamp outer conical surface, and the promotion of the pressured ring cylinder of chuck is pressed on the outer conical surface of clamping cylinder.
Above-mentioned pressure ring seat is provided with a upright installing plate 34, the installing plate side is provided with the guide pillar parallel with above-mentioned clamping cylinder 35, guide pillar passes above-mentioned chuck for guiding, above-mentioned pressure ring cylinder is installed in the installing plate opposite side, and the piston rod of pressure ring cylinder is fixedly connected to drive the chuck horizontal sliding with chuck after passing slippingly installing plate.
Above-mentioned longitudinal moving device comprises longitudinal rail 36, longitudinal sliding block 37, pressure ring base 38 and vertical cylinder 39, on the panel that is fixed on frame of longitudinal rail and vertical cylinder level, longitudinal sliding block is fixed on the bottom of pressure ring base, longitudinal sliding block and longitudinal rail are slidingly matched, and vertically piston rod and the pressure ring base of cylinder are fixedly connected to drive the pressure ring base along the slippage of clamping cylinder radial level.
Above-mentioned horizontal mobile device comprises cross slide way 40, transverse slider 41 and lateral cylinder 42, transverse slider and lateral cylinder are fixed on the above-mentioned pressure ring base, cross slide way is fixed on the bottom of above-mentioned pressure ring seat, transverse slider and cross slide way are slidingly matched, and the piston rod of lateral cylinder and pressure ring seat are fixedly connected to drive the pressure ring seat along the clamping cylinder axial slip.
Above-mentioned lower ring plate side is provided with groove, also is installed with the pressing plate 43 that part hides the lateral openings of groove on the lower ring plate, and pressing plate and groove fit consist of decline passway.
The latch section comprises column part 44 and tapered segment 45, and column part is connected between connecting rod section and the tapered segment.The diameter of above-mentioned connecting rod section is to equal the external diameter of return bend and be slightly less than the weld-ring internal diameter, and the diameter of the column part of latch section is slightly less than the return bend internal diameter.Above-mentioned connecting rod section is provided with chamfering 46 near an end of latch section.
The weld-ring registration mechanism comprises clamping cylinder and mandrel.
This ring inserter job step is as follows:
One, pressed on ring: clamping cylinder 3 is in the pressed on ring station, and the weld-ring that is loaded in the vibrating disk (not shown) arrives hoist trunk 5 by weld-ring slideway (not shown); Weld-ring falls into weld-ring berth (in the horizontal channel 6 of weld-ring at upper ring cap 22) through hoist trunk 5, and helps the state of being kept upright at two ends by throw-out collar bar 13 and weld-ring baffle plate 18; Start the pressed on ring cylinder, order about throw-out collar bar 13 and promote weld-rings to clamping cylinder 3 feedings, weld-ring overcomes first the obstruction of weld-ring baffle plate 18, through the upper and lower guide tile 25 of upper ring cap, 26 and connecting rod section 11 guiding of mandrel, fills at last in the recess 8 of clamping cylinder 3 successively.
Two, move ring: start vertical cylinder, make clamping cylinder 3 move longitudinally to collar station from the pressed on ring station, clamping cylinder is when collar station, and the mandrel in the clamping cylinder aims at the port of U-shaped pipe bend.
Three, the collar: start lateral cylinder, clamping cylinder 3 is moved to the pressure ring station from collar station, be that clamping cylinder 3 is done axially-movable, in this course, the latch section 12 of mandrel is inserted the port of U-shaped pipe bends and is made weld-ring aim at the U-shaped pipe bend, and then clamping cylinder 3 overcomes the back-moving spring resistance and continues towards the feeding of U-shaped pipe bend (at this moment, mandrel keep static and in the retraction clamping cylinder), and weld-ring is enclosed within on the U-shaped pipe bend along the connecting rod section 11 of mandrel, until clamping cylinder 3 arrives the pressure ring station.
Four, pressure ring: start the pressure ring cylinder, chuck 28 is towards the slippage of U-shaped pipe bend direction, and two jig arm 31 of clamping cylinder 3 are closed up, the distortion of compressing weld-ring, as become ellipse and be fixed on the U-shaped pipe bend.
Five, reset: start lateral cylinder, make clamping cylinder 3 get back to collar station from the pressure ring station, restart vertical cylinder, make clamping cylinder 3 get back to the pressed on ring station from collar station.In this course, the pressure ring cylinder also drives chuck 28 and retreats and reset.
Below only be that the specific embodiment among the present invention is illustrated, every equivalent transformation or modification of making according to the design concept among the present invention all should be thought to fall into protection scope of the present invention.