Automobile absorber sleeve pipe press-loading apparatus
Technical field
The utility model relates to the product pressed labor outfit, is specifically related to a kind of with the automobile absorber sleeve combination is fitted in suspension ring and flange is handled device.
Background technology
Automobile absorber need be pressed into sleeve combination (comprising sleeve pipe 19 and the cushion collar 20 that is enclosed within on the sleeve pipe) in the suspension ring 21 in process of production.The sleeve pipe press mounting structure is present damper industry universal architecture, and output is bigger.After sleeve combination is pressed into, for avoiding sleeve pipe to come off, suspension ring 21 two ends are provided with flange seam 22,23 up and down, need flange seam flange, pressing, preventing that effectively sleeve combination from becoming flexible, coming off in motion process, the product flange, flatten before and after structure as depicted in figs. 1 and 2.
Consider easy to wear after rubber cushion cover 20 entruckings, aging, so cushion collar 20 cooperates (about magnitude of interference 3mm) with adopting the big magnitude of interference cooperating of suspension ring 21, so be pressed into suspension ring after when press-fiting, must adopting the tapering fairlead that the cushion collar reduced is also led.
Former sleeve pipe press-fits and is three process, promptly earlier sleeve combination is pressed fit in the suspension ring, suspension ring two ends flange seam is fallen simultaneously 45, the two ends flange seam of 45 of will falling at last flattens simultaneously, prevents that the entrucking rear sleeve is out of shape from axially skidding off because of being subjected to the radial load generation again.Therefore existing press-fit need three cover frocks, not only the frock cost is higher, also is not easy to management.The more important thing is that production efficiency is extremely slow, about about 150/people/sky, can not satisfy production requirement greatly.
In addition, former pressure head is fixing pressure head, tapering fairlead axial (upper end) is not spacing when press-fiting, the power of refuting is upwards arranged during the sleeve pipe contraction distortion, the tapering fairlead ejects easily when press-fiting, and causes sleeve pipe to press-fit to scrap or press-fits not in placely, and need do over again press-fits, not only there is waste, and has a strong impact on production efficiency.
The utility model content
At the prior art above shortcomings, the purpose of this utility model provides a kind of automobile absorber sleeve pipe press-loading apparatus of enhancing productivity, avoiding product rejection, can reduce the frock making cost.
The technical solution of the utility model is achieved in that automobile absorber sleeve pipe press-loading apparatus, it is characterized in that: it comprises the fairlead of the positioning base of laying suspension ring, band tapering, fixedly pressure head and unsteady pressure head, positioning base has the wall hole corresponding with the suspension ring external diameter, hole, be provided with the spacing heavy stand spacing to the sleeve pipe lower surface in the hole, the positioning base center is provided with the location stem stem to the sleeve pipe location; Fixedly the pressure head lower surface is corresponding with the sleeve pipe upper surface on being sleeved on the location stem stem, fixedly pressure head is provided with location-plate, location-plate is provided with the horizontal cylinder of two symmetries, respectively be provided with stressed plate on the steam-cylinder piston, two stressed plates are oppositely arranged, float pressure head by the centre bore kink on fixing pressure head, float and be arranged with two springs between pressure head and the location-plate, unsteady pressure head is against on the suspension ring fairlead and is pressed on the suspension ring when fairlead carries out flange taking down, and stressed plate can enter between location-plate and the unsteady pressure head under steam-cylinder piston promotes.
Further, be provided with the first step corresponding in the hole of described positioning base with the suspension ring lower surface, be provided with the moulding step behind the flange seam flange under the suspension ring between first step and the spacing heavy stand, connect by the guiding surface that following flange seam flange is play the guiding role between first step and the moulding step; The pressure head lower end edge centre bore that floats is provided with moulding end face, suspension ring corresponding with the suspension ring upper surface behind the suspension ring upper overturning seam flange from inside to outside and compresses end face and compress end face with the corresponding fairlead in fairlead upper surface, and moulding end face and suspension ring compress the guiding surface connection by upper overturning seam flange is play the guiding role between the end face.
Further, described spring kink is on lead, and the lead upper end is fixed with location-plate, and the lead lower end is passed and pinned by stop nut from the kink hole of the pressure head setting of floating.
Described fixedly pressure head center is provided with the debugging hole corresponding with locating stem stem.
The utility model three cover frocks that the three process that sleeve pipe press-fits, suspension ring fall 45, the suspension ring flange/pressing relates to is required are merged into a cover frock, one procedure is finished during production, not only improve production efficiency (production efficiency changes 500/people/sky into by 150 original/people/sky) greatly, and can reduce frock making cost and tool management cost.
The utility model efficiently solves fairlead by the pressure head design of floating and jump out problem in press-fiting process, effectively controls product rejection rate, and scrappage can be controlled to be zero, has improved product quality greatly.
Description of drawings
Fig. 1-sleeve combination and suspension ring press-fit back flange pre-structure schematic diagram.
Fig. 2-sleeve combination and suspension ring press-fit structural representation behind the flange.
Fig. 3-the utility model sleeve pipe press-loading apparatus vertical view.
Fig. 4-Fig. 3 B-B cutaway view.
Fig. 5-Fig. 4 position I partial enlarged drawing.
Fig. 6-Fig. 4 position II partial enlarged drawing.
Fig. 7-Fig. 3 C-C cutaway view.
Wherein, 1-positioning base; The 2-fairlead; 3-is pressure head fixedly; The 4-pressure head that floats; The spacing heavy stand of 5-; 6-locatees stem stem; The 7-location-plate; The 8-cylinder; The 9-stressed plate; The 10-spring; The 11-lead; The 12-first step; 13-moulding step; The 14-guiding surface; 15-moulding end face; The 16-suspension ring compress end face; The 17-fairlead compresses end face; 18-debugs the hole; The 19-sleeve pipe; The 20-cushion collar; The 21-suspension ring; 22-upper overturning seam; Flange seam under the 23-.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 3, Fig. 4 and Fig. 7, from the figure as can be seen, the utility model automobile absorber sleeve pipe press-loading apparatus, it comprises the fairlead 2 of the positioning base 1 of laying suspension ring 21, band tapering, fixedly pressure head 3 and unsteady pressure head 4.Positioning base has the wall hole corresponding with the suspension ring external diameter, hole, and suspension ring 21 are placed in the positioning base 1 by this hole and can radially rock.The center, hole is provided with the spacing heavy stand 5 spacing to the sleeve pipe lower surface, and positioning base 1 center is provided with the location stem stem 6 to sleeve pipe 19 location.Fixedly pressure head 3 lower surfaces are corresponding with sleeve pipe 19 upper surfaces on being sleeved on the location stem stem, fixedly pressure head 3 is provided with location-plate 7, location-plate 7 is provided with the horizontal cylinder 8 of two symmetries, respectively be provided with stressed plate 9 on cylinder 8 pistons, two stressed plates 9 are oppositely arranged, float pressure head 4 by the centre bore kink on fixing pressure head 3, both can slide relatively.Floating is arranged with two springs 10 between pressure head 4 and the location-plate 7, and described spring 10 kinks are on lead 11, and lead 11 upper ends and location-plate 7 are fixing, and lead 11 lower ends are passed and pinned by stop nut from the kink hole that the pressure head 4 that floats is provided with.Stressed plate 9 can enter between location-plate 7 and the unsteady pressure head 4 under steam-cylinder piston promotes.The pressure head 4 that floats has two effects: the one, axially be against on the fairlead 2 when press-fiting, and fairlead 2 is against on the suspension ring 21, prevent that fairlead 2 from ejecting, coming off; The 2nd, when carrying out flange, fairlead is pressed on the suspension ring 21 taking down, because this moment, fixedly the transmission of active force by location-plate 7 and stressed plate 9 of pressure head 3 acted on the pressure head 4 that floats rigidly, the pressure head 4 that floats can directly carry out flange, chamfering and pressing processing to suspension ring 21.
For being pressed on the suspension ring, the pressure head that floats just can directly carry out flange, chamfering and pressing processing to suspension ring, the utility model has carried out structure to positioning base 1 and unsteady pressure head 4 similarly to be handled: see Fig. 6, be provided with the first step corresponding 12 in the hole of positioning base 1 with the suspension ring lower surface, be provided with the moulding step 13 behind the flange seam flange under the suspension ring between first step 12 and the spacing heavy stand 5, connect by the guiding surface 14 that following flange seam flange is play the guiding role between first step 12 and the moulding step 13.See Fig. 5, the pressure head 4 lower end edge centre bores that float are provided with moulding end face 15, suspension ring corresponding with the suspension ring upper surface behind the suspension ring upper overturning seam flange from inside to outside and compress end face 16 and compress end face 17 with the corresponding fairlead in fairlead upper surface, and moulding end face 15 and suspension ring compress guiding surface 14 connections by upper overturning seam flange is play the guiding role between the end face 16.
The utility model use explanation:
When press-fiting earlier fixedly pressure head be assembled on the hydraulic press machine spindle, by the fixing pressure head of screw lock, fixedly pressure head 3 centers are provided with the debugging hole 18 corresponding with locating stem stem 6.Again positioning base is placed on the equipment frock table top.Manually fixedly pressure head 3 will be located stem stem 6 and pack in the debugging hole 18 slowly to being pressed down in the time of pressure, find the center accurately, determine almost coaxial after, use pressing plate (two become diagonal angle) to be pressed on the positioning base again, positioning base is fastened solid, prevent in press-fiting process loosening.
After the frock Installation and Debugging put in place, adjust equipment pressure again, equipment pressure is transferred to 6~8Mpa.
Before press-fiting, earlier suspension ring 21 are placed on the positioning base 1, the following flange seam 23 of suspension ring contacts with positioning base guiding surface 14, tapering fairlead 2 is placed on suspension ring 21 upper surfaces again, at last sleeve combination is put on tapering fairlead 2 and the conduit 19 threading location stem stems 6 with sleeve combination.After each component placement puts in place, can be able to press-fit by starting device: step on earlier hydraulic press equipment downing switch, make that fixedly pressure head 3 is descending, the pressure head 4 that floats this moment (has precompression) under spring action also descending together, the pressure head 4 that floats in descending process contacts with tapering fairlead 2 upper surfaces earlier, fairlead 2 is against on the suspension ring 21, contact rear spring 10 compressive deformations, spring 10 bounces are passed to the pressure head 4 that floats and prevent that effectively tapering fairlead 2 from oppositely ejecting, because the active force of spring can not make the following flange seam distortion of suspension ring, the pressure head 4 that floats is no longer descending, fairlead 2 is against on the suspension ring 21 and does not come off and get final product, fixedly pressure head 3 continues descending, fixedly pressure head 3 is pressed on the sleeve pipe 19 sleeve combination is pressed down, fairlead 2 is pressed into suspension ring 21 with cushion collar 20 reduced and after leading simultaneously, when sleeve pipe 19 lower surfaces contact with spacing heavy stand 5, is press-fit into place.
After sleeve combination is pressed into suspension ring, step on the up switch of hydraulic press equipment, fixedly pressure head 3 is up, with hand tapering fairlead 2 is taken out when fixedly pressure head 3 is returned to certain altitude (about 50~70mm gets final product), after taking out, tapering fairlead 2 stirs the cylinder starting switch immediately, location-plate 7 both sides cylinders 8 advance to the centre simultaneously, and two stressed plates 9 that will be fixed in the steam-cylinder piston end push away between location-plate 7 and unsteady pressure head 4.Step on hydraulic press equipment downing switch this moment again, fixedly behind the pressure head 3 descending certain distances, stressed plate 9 two ends contact with unsteady pressure head 4 with location-plate 7, the pressure head 4 that floats contacts with fixing pressure head 3 realization rigidity, float pressure head 4 with fixing pressure head 3 descending and in descending process unsteady pressure head 4 contact with suspension ring 21 upper surfaces, the upper overturning seam 22 of suspension ring contacts with unsteady pressure head guiding surface 14.Constantly pressing down in the process, because the flange of 14 pairs of upper overturning seams 22 of guiding surface play the guiding role, 22 overturnings of upper overturning seam, moulding end face 15 has determined the state behind the flange, so suspension ring 21 can be finished chamfering, flange, applanation process simultaneously.The deformation process of following flange seam 23 on positioning base 1 of suspension ring is identical with it.
Step on the up switch of hydraulic press equipment after flange is finished, take out the product after making up, stir cylinder return switch, cylinder 8 returns, stressed plate 9 returns are finished the entire product processing action.Produce in batches by above step cycle operation.
The utility model can make whole process of production be finished by a procedure, need not change frock, enhances productivity.Pushing down fairlead by the pressure head that floats effectively avoids the tapering fairlead to jump out, avoiding producing sleeve combination press-fits and scraps or sleeve combination dress presses not in place doing over again to press-fit, not only improve the quality of products, reduce parts and scrap the additional production cost of generation, and improved production efficiency greatly.