Detailed description of the invention
Be elaborated below in conjunction with accompanying drawing and specific embodiment.A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public specific embodiment.
In the present embodiment, be inverted L shaped sheet material workpiece and comprise front workpiece and rear workpiece, front workpiece is roughly in-line plate, and rear workpiece is roughly L shaped plate.When operation, front workpiece and rear workpiece lift by crane simultaneously, after putting in place again by front workpiece together with rear workpiece assembly welding, thus form be inverted L shaped sheet material workpiece.For simplicity, the Part I of being inverted L shaped sheet material workpiece end face is called to front workpiece end face, the Part II of workpiece end face is called rear workpiece end face, and side surface of workpiece is also referred to as rear side surface of workpiece.
Please, simultaneously referring to Fig. 1 a~Figure 13 c, represent the structure of embodiment of the present invention sling system (hereinafter to be referred as suspender), wherein Fig. 1 a~Fig. 1 c illustrates sling system structure; Fig. 2 a~Figure 13 c illustrates the major part structure of suspender.This suspender can be used for simultaneously handling the first specification and be inverted L shaped sheet material workpiece (being called for short the first size workpiece), also can be used for handling the second specification is inverted L shaped sheet material workpiece (be called for short the second size workpiece) simultaneously, wherein: the width in the longitudinal axis of symmetry direction of the first size workpiece is larger; Width in the longitudinal axis of symmetry direction of the second size workpiece is less.In the present embodiment, the front workpiece of the first size workpiece clamps by the first front revolution pin assembly 11 location, realizes support by front support rod assembly 7; The front workpiece of the second size workpiece clamps by the second front revolution pin assembly 9 location, realizes support by front support rod assembly 7; Rear workpiece clamps by rear revolution pin assembly 12 location, realizes rear workpiece support by back support rod assembly 6, workpiece support after realizing by back support assembly 12.Describe in detail further combined with the constructional drawing of sling system and major part below.For simplicity, before the first specification, before workpiece and the second specification, workpiece is called front workpiece or rear workpiece sometimes simply, and does not carry out detailed differentiation, please read time, is noted.
As shown in Fig. 1 a~Fig. 1 c, sling system is mainly made up of parts such as duel spreader frames 1, guidepost 3, top radius stay 4, bottom radius stay 5, the first front revolution pin assembly 11, rear revolution pin assembly 12, front support rod assembly 7, back support rod assembly 6 and back support assemblies 10, wherein:
The body that duel spreader frames 1 is suspender, it is hung on four-point band elevator (scheming not shown) by being arranged on the suspender link span 2 in 1 four bights of duel spreader frames.After gig is fallen, suspender is workpiece from prepackage fixture (scheming not shown) captures, then lifting dividing a word with a hyphen at the end of a line above assembly station with automatic carriage, then suspender and workpiece are dropped on assembly station, finally complete corresponding assembly process.
Guidepost 3 is as detent mechanism on suspender, its bottom is fixedly mounted on the guidepost mount pad of duel spreader frames 1 by fasteners such as socket bolt 16, plain cushion 17, bullet pads 18, its guide head deviates from ground and inserts in the knock hole of gig, can be to locating between the duel spreader frames 1 in walking and gig, ensure suspender and workpiece hoisting, in walking process easy motion.
Top radius stay 4 and bottom radius stay 5 match, as detent mechanism under suspender, wherein: top radius stay 4 is fixedly mounted on the top radius stay adapter plate of duel spreader frames 1 by fasteners such as socket bolt 13, plain cushion 14, bullet pads 15, its guide head can be inserted into towards ground position P1, P2 and (in the prepackage fixture axle sleeve of c) locating as Fig. 1, realize the first guiding with prepackage fixture to suspender; The bottom of bottom radius stay 5 is fixedly mounted on the bottom radius stay adapter plate of duel spreader frames 1 by socket bolt 22, plain cushion 23, bullet pad 24 etc., and its guide head is inserted in the knock hole of prepackage fixture towards ground, realizes suspender is carefully led.Like this, through the first guiding of top radius stay 4 and the thin guiding of bottom radius stay 4, just can complete preferably the location between suspender and prepackage fixture.
The first front revolution pin assembly 11 is as front workpiece (the first specification) detent mechanism, it is arranged in duel spreader frames 1, its the first prelocalization pin inserts in the knock hole of front workpiece, its first front revolution supporting plate is held front workpiece simultaneously, realizes thus location, clamping between suspender and front workpiece.
The second front revolution pin assembly 9 is same as front workpiece (the second specification) detent mechanism.As Fig. 1 a~as shown in Fig. 1 c, in order to use the workpiece requirement of different product, the second front revolution pin assembly 9 has also been installed on suspender simultaneously, its effect is identical with the first front revolution pin assembly 11.This second front revolution pin assembly 9 is telescopic prelocalization pin assemblies, it is installed on the front side of the first front revolution pin assembly 11, be mainly used in the handling of the front workpiece of the first specification, the first front revolution pin assembly 11 is mainly used in the handling of the front workpiece of the second specification: if lifting the second size workpiece, by the first front revolution pin assembly 11 to the second specification before workpiece position, now the revolution clamping cylinder of the second front revolution pin assembly 9 needs to regain, and avoids thus producing and interferes; If lifting the first size workpiece, is positioned front workpiece by the second front revolution pin assembly 9, now the first front revolution pin assembly 11 can not produce and interfere workpiece before the first specification.
Rear revolution pin assembly 12 is as rear workpiece locating mechanism, and its structure and function and the first front revolution pin assembly 11 are similar.This rear revolution pin assembly 12 is provided with rear revolution clamping cylinder, rear locating dowel pin and rear revolution supporting plate, rear revolution clamping cylinder is arranged in duel spreader frames 1 by socket bolt 25, plain cushion 26, bullet pad 27 etc., rear locating dowel pin is inserted in the knock hole of rear workpiece, rear revolution supporting plate can be held rear workpiece simultaneously, realizes thus the location to suspender and rear workpiece.Because the anchored object of rear revolution pin assembly 12 is that rear workpiece is basic identical in distinct device (as equipment), therefore the present embodiment arranges a pair of rear revolution pin assembly 12.
Front support rod assembly 7 is as front workpiece end face supporting mechanism, its is arranged in duel spreader frames 1 as front workpiece grabbing mechanism simultaneously, and can under driving, front locking cylinder swing forward, this front support rod assembly 7 becomes locking attitude in the time of lifting, workpiece before fixed pedestal, makes front workpiece grabbing in duel spreader frames 1 thus.As shown in Fig. 1 a~Fig. 1 c, front locking cylinder base 8 is arranged on the locking cylinder seat board of duel spreader frames 1 by fasteners such as socket bolt 28, plain cushion 29, bullet pads 30, one end of front locking cylinder in front support rod assembly 7 is arranged on front locking cylinder base 8, the other end is connected to front support rod assembly 7 by fork, drive thus front support rod assembly 7 to swing, before in the time that swing puts in place, locking cylinder is from pinning front support rod assembly 7, so that fixed pedestal is lived front workpiece.
Back support rod assembly 6 is as rear workpiece end face supporting mechanism, its can be arranged in duel spreader frames 1 as rear workpiece grabbing mechanism simultaneously, and can under driving, rear locking cylinder swing backward, this back support rod assembly 6 becomes locking attitude in the time of lifting, workpiece after fixed pedestal thus, is sandwiched in duel spreader frames 1 rear workpiece.The actuating device of back support rod assembly 6 is identical with the frame mode of front support rod assembly 7 actuating devices, repeats no more.
Back support assembly 10 is as side surface of workpiece supporting mechanism (or claiming rear side surface of workpiece supporting mechanism), it is fixedly mounted in duel spreader frames 1 by socket bolt 19, plain cushion 20, bullet pad 21 etc., workpiece after withstanding in the time of lifting, the just not perk backward in the time of handling of rear like this workpiece.Back support assembly 10 being only set herein, and not being provided for supporting the front support assembly of front workpiece leading flank, is the cause less due to the leading flank size of front workpiece.
The version of the parts such as duel spreader frames 1 in Fig. 1 a~Fig. 1 c, suspender Connection Block 2, guidepost 3, top radius stay 4, bottom radius stay 5, back support rod assembly 6, front support rod assembly 7, front locking cylinder base 8, the second front revolution pin assembly 9, back support assembly 10, the first front revolution pin assembly 11, rear revolution pin assembly 12 all has multiple implementation, below is described in detail for example.
Fig. 2 a~Fig. 2 c illustrates the structure of duel spreader frames 1, this duel spreader frames 1 by horizontal square tube 1.1, square tube 1.4 and longitudinal square tube 1.2,, the cross connection such as square tube 1.5, square tube 1.13 and square tube 1.14, the termination of each square tube can be sealed with shrouding 1.15, forms thus the skeleton of duel spreader frames 1.The suitable position of this skeleton installs plate 1.3, plate 1.7, plate 1.11, plate 1.12 additional, and support plate 1.16, support plate 1.18 etc., and is improving intensity about the connecting portion of plate or support plate installs gusset 1.10, gusset 1.20 etc. additional.Corresponding above-mentioned guidepost 3, top radius stay 4, bottom radius stay 5, back support rod assembly 6, front support rod assembly 7, front locking cylinder base 8, the second front revolution pin assembly 9, back support assembly 10, the first front revolution pin assembly 11, rear revolution pin assembly 12 etc., in duel spreader frames 1, need to arrange some adapter plates (seat), as locating dowel pin adapter plate 1.6, locating dowel pin mount pad 1.8, guidepost mount pad 1.9, locking cylinder seat board 1.17, locking cylinder seat board 1.19, etc., the duel spreader frames 1 forming thus can be installed relevant detent mechanism and supporting mechanism easily.
Be understandable that, the size of this duel spreader frames 1 should adapt with prepackage fixture.Simultaneously, with reference to 1a~Fig. 1 c, the present invention determines rectangular coordinate system in such a way: establishing prepackage fixture vehicle body origin is O (0,0,0), and longitudinal axis of symmetry of duel spreader frames 1 is X-axis, and front side is for just; The level of longitudinal axis of symmetry of duel spreader frames 1 is vertical is Y-axis, and left side (being the direction of arrow in Fig. 2 a) is for just; And determine Z axis according to right-handed system, straight up for just (pointing to duel spreader frames 1).Can determine thus the critical positions coordinate relevant with duel spreader frames, for example: the origin of duel spreader frames is O ' (600,700,2420); Position P1 (100 ,-1250,2715), P2 (100,1250,2715) locate to install respectively prepackage fixture axle sleeve 31, top radius stay 4 coordinates with prepackage fixture axle sleeve 31, realizes the first guiding (or claiming thick guiding) between duel spreader frames 1 and prepackage fixture; Prepackage fixture knock hole is about OO ' line symmetry, and lower radius stay 5 coordinates with prepackage fixture knock hole, realizes the thin guiding between duel spreader frames 1 and prepackage fixture; Like this, by positioning shaft sleeve or position of positioning hole are rationally set, can ensure that suspender and prepackage fixture accurately align, and ensure that suspender, after the first guiding of top radius stay 4 and the thin guiding of bottom radius stay 5, can enter desired location grabbing workpiece at every turn exactly.In addition, position P3 (1678 ,-1250,2420) and it arrange respectively crashproof bearing 32 about the symmetric position of OO ' line, bump preventing in handling process.
The accessory structure such as suspender Connection Block 1 and front locking cylinder base 8, rear locking cylinder base is installed, below difference brief description shown in Fig. 2 a~Fig. 2 c in duel spreader frames 1.
In suspender Connection Block as shown in Fig. 3 a~Fig. 3 c, fixed support 2.1 is fixedly installed in duel spreader frames 1 by adding long bolt 2.2 and nut 2.3, and bearing pin 2.4 is located with spring cotter 2.5 through fixed support 2.1 is rear, forms thus suspender Connection Block 2.The corner location of the duel spreader frames 1 in the present embodiment is all installed a suspender Connection Block 2, lifting rope is walked around the bearing pin 2.4 in suspender Connection Block 2, just duel spreader frames 1 can be hung on four-point band elevator, gig just can drive sling lifting and translation after starting, and makes suspender arrive preposition operation.
Fig. 4 a~Fig. 4 c illustrates the structure of front locking cylinder base 8.1, and this front locking cylinder base 8 is made up of riser 8.1 and base plate 8.2, wherein: base plate 8.2 is fixed to by socket bolt 28, plain cushion 29, bullet pad 30 on the locking cylinder base plate of duel spreader frames 1; Riser 8.1 is fixed on base plate 8.2 and forms support, in order to the front locking cylinder in front stretching bar assembly 7 to be installed by Assembly of pin.The structure of rear locking cylinder base is similar, because not identifying in figure, does not launch to describe at this.
For the front workpiece of successfully handling and rear workpiece, should guarantee between suspender and prepackage fixture, gig accurate positioning between suspender and workpiece.For this reason, the embodiment of the present invention is provided with on corresponding suspender detent mechanism, front workpiece locating mechanism and rear workpiece locating mechanism under detent mechanism, suspender, wherein on suspender, positioning function is realized by guidepost 3, under suspender, positioning function is realized jointly by top radius stay 4 and bottom radius stay 5, front workpiece locating mechanism is realized by the first front revolution pin assembly 11, rear workpiece locating mechanism is realized by rear revolution pin assembly 12, below these parts is described in detail.
In guidepost structure as shown in Fig. 5 a~Fig. 5 b, guidepost 3 is made up of round steel 3.1 and base plate 3.2, base plate 3.2 can by socket bolt 16, plain cushion 17, bullet pad 18, (as Fig. 1 a~Fig. 3 b) is fixedly installed on the guidepost mount pad 1.9 of duel spreader frames 1, wherein round steel 3.1 be inverted and be installed on base plate 3.2.When suspender is mentioned after certain altitude, the guide head on round steel 3.1 tops just can be inserted in the knock hole of gig, so just make to realize and locating between duel spreader frames 1 and gig, thereby can prevent that suspender from producing and rocking in the process of dividing a word with a hyphen at the end of a line, and finally ensures the smooth running of suspender and workpiece.
Referring to Fig. 6 a~Fig. 6 c, the structure of top radius stay 4 is shown.Simultaneously with reference to figure 1a~Fig. 1 c, top radius stay 4 comprises the parts such as the stay bearing plate 4.1 of alignment pin 4.2 and inverted L shape, wherein: the first end of stay bearing plate 4.1 is fixedly mounted in duel spreader frames 1, the second end extends outward outside duel spreader frames 1 and forms stay bearing plate cantilever, can offer some lightening holes on this stay bearing plate cantilever; Alignment pin 4.2 is fixedly mounted on stay bearing plate cantilever, and its guide head is inserted in the axle sleeve of prepackage fixture towards ground, thus can be as the first guiding between suspender and prepackage fixture.
As shown in Fig. 6 a~Fig. 6 c, the concrete assembling mode of top radius stay 4 is: the first end (bottom) of the stay bearing plate 4.1 of inverted L shape is fixing with base plate 4.4, base plate 4.4 is fixed to the top of duel spreader frames 1 by standard attaching partss such as bolts, and between base plate 4.4 and stay bearing plate 4.1, installs gusset 4.5 additional to improve intensity; Second end (tail end) of stay bearing plate 4.1 arranges the cover 4.3 of stationary positioned bearing pin 4.2, is wherein set with alignment pin 4.2 fastening with socket head cap screw 4.6, forms thus top radius stay 4 assemblies.After requiring to be installed in duel spreader frames 1 according to earlier figures 1a~Fig. 1 c, just can utilize prepackage fixture axle sleeve 31 to carry out preliminary guiding.
Fig. 7 a~Fig. 7 c shows the structure of bottom radius stay 5, this bottom radius stay 5 is comparatively similar to guidepost 3, its structure is comparatively simple: its base plate 5.2 is fixedly installed in duel spreader frames 1 by standard attaching partss such as bolts, the head of round steel 5.1 is installed on base plate 5.2, and its guide head is inserted in the knock hole of prepackage fixture towards ground.When suspender drops to behind crawl position, the guide head on round steel 5.1 tops is inserted in the knock hole of prepackage fixture, makes duel spreader frames 1 and prepackage fixture realize thin location.Like this, after the first guide-localization of radius stay on aforementioned 4, then carry out thin guide-localization with bottom radius stay 5 herein, can ensure that suspender enters into crawl position exactly, make successfully grabbing workpiece of suspender.
Fig. 8 a~Fig. 8 b shows a kind of implementation of front workpiece locating mechanism, it is embodied in the first front revolution pin assembly 11, formed by parts such as the first front revolution clamping cylinder 11.2, the first prelocalization pin 11.5 and the first front revolution supporting plates 11.4, wherein: the first front revolution clamping cylinder 11.2 is arranged on the locating dowel pin mount pad 1.8 of duel spreader frames 1; The first prelocalization pin 11.5 is fixedly mounted on the cylinder barrel of the first front revolution clamping cylinder 11.2, can insert in the knock hole of front workpiece; The first front revolution supporting plate 11.4 is arranged on the piston rod bottom of the first front revolution clamping cylinder 11.2.
As shown in Fig. 8 a~Fig. 8 b, specifically assembling mode is: the first front revolution clamping cylinder 11.2 is installed on plate 11.1 by plate socket head cap screw 1111, then is installed in duel spreader frames 1 by plate 11.1; Locating dowel pin adapter plate 11.3 is installed on the cylinder barrel of the first front revolution clamping cylinder 11.2 by socket head cap screw 11.9, bullet pad 11.10, and the first prelocalization pin 11.5 is fixed on locating dowel pin adapter plate 11.3 by nut 11.6, plain cushion 11.7, bullet pad 11.8; The first front revolution supporting plate 11.4 is fixed on the piston rod bottom of the first front revolution clamping cylinder 11.2 by socket head cap screw 11.12, bullet pad 11.13, this first front revolution supporting plate 11.4 is provided with through hole, inserts the first prelocalization pin 11.5 can regain for piston rod time.
Referring to Fig. 8 a~Fig. 8 b, simultaneously with reference to figure 1a~Fig. 1 c, the groundwork working process of the first front revolution pin assembly 11 is: after suspender and prepackage fixture are located, rotate the first front revolution clamping cylinder 11.2, its piston rod drives the first front revolution supporting plate 11.4 to rotate while stretching out, the first prelocalization pin 11.5 is inserted in the knock hole of front workpiece and positions; Contraposition is complete, and the piston rod of the first front revolution clamping cylinder 11.2 is regained, and the first front revolution supporting plate 11.4 is held front workpiece, has better realized thus the location between suspender and front workpiece.
Fig. 9 a~Fig. 9 b illustrates a kind of structure of the second front revolution pin assembly 9, and it is a kind of telescopic front revolution pin assembly.The basic structure of this second front revolution pin assembly 9 and above-described the first front revolution pin assembly 11 are similar, and it is slide rail cylinder 9.2 that difference is to have increased a locating dowel pin adjusting cylinders.The concrete structure of the second front revolution pin assembly 9 is: slide rail cylinder 9.2 is arranged on slide rail cylinder mount pad 9.1 vertically by socket bolt 9.8, plain cushion 9.9, bullet pad 9.10, and this slide rail cylinder mount pad 9.1 is fixed in duel spreader frames 1 by socket bolt 9.21, plain cushion 9.22, bullet pad 9.23; The cylinder barrel of the second front revolution clamping cylinder 9.3 is received on cylinder connecting panel 9.4 by socket bolt 9.11, bullet pad 9.14 and socket bolt 9.13, bullet pad 9.14, this cylinder connecting panel 9.4 fixes with the piston rod of slide rail cylinder 9.2, realized being thus connected of slide rail cylinder 9.2 and the second front revolution clamping cylinder 9.3; The second prelocalization pin adapter plate 9.7 is installed on the cylinder barrel of the second front revolution clamping cylinder 9.3 by socket head cap screw 9.15, bullet pad 9.16, and the second prelocalization pin 9.6 is fixed on the second prelocalization pin adapter plate 9.7 by nut 9.17, plain cushion 9.18, bullet pad 9.19; The second revolution supporting plate 9.5 is fixed on the piston rod bottom of the second front revolution clamping cylinder 9.3 by socket head cap screw 9.20, this second revolution supporting plate 9.5 is provided with through hole, inserts the second prelocalization pin 9.6 can regain for piston rod time.
When this second front revolution pin assembly 9 does not use, slide rail cylinder 9.2 is regained the second front revolution clamping cylinder 9.3; When work, the piston rod of slide rail cylinder 9.2 reaches predetermined length, drive the second prelocalization pin 9.6 and the second revolution supporting plate 9.5 to work by the second front revolution clamping cylinder 9.3 of bottom afterwards, this process is identical with the first front revolution pin assembly 11, repeats no more.
Figure 10 a~Figure 10 b shows the structure of rear revolution pin assembly 12, it is made up of parts such as rear revolution clamping cylinder 12.2, rear locating dowel pin 12.5 and rear revolution supporting plates 12.4, wherein: turn round afterwards clamping cylinder 12.2 by rear locking cylinder floor installation on the locating dowel pin adapter plate 1.6 of duel spreader frames 1; Rear locating dowel pin 12.5 is fixedly mounted on the cylinder barrel of rear revolution clamping cylinder 12.2, can insert in the knock hole of rear workpiece; Rear revolution supporting plate 12.4 is arranged on the piston rod bottom of rear revolution clamping cylinder 12.2.This rear revolution pin assembly 12 is basic identical with the structure of rear revolution pin assembly 11, difference is only the rear revolution supporting plate surface configuration difference in the middle of both, this is because rear workpiece shape is different from rear workpiece shape, thereby requires the cause of coupling respective shapes revolution supporting plate.
As shown in Figure 10 a~Figure 10 b, the concrete assembling mode of rear revolution pin assembly 12 is: turn round afterwards clamping cylinder 12.2 and be installed on plate 12.1, plate 12.1 is installed in duel spreader frames 1 by socket bolt 25, plain cushion 26, bullet pad 27; Locating dowel pin adapter plate 12.3 is installed on the cylinder barrel of rear revolution clamping cylinder 12.2 by socket head cap screw 12.9, bullet pad 12.10, and rear locating dowel pin 12.5 is fixed on locating dowel pin adapter plate 12.3 by nut 12.6, plain cushion 12.7, bullet pad 12.8; Rear revolution supporting plate 12.4 is fixed on the piston rod bottom of rear revolution clamping cylinder 12.2 by socket head cap screw 12.12, bullet pad 12.13, this rear revolution supporting plate 12.4 is provided with through hole, locating dowel pin 12.5 after inserting can regain for piston rod time.
As Figure 10 a~Figure 10 b, simultaneously with reference to figure 1a~Fig. 1 c, the groundwork working process of rear revolution pin assembly 11 is: after suspender and prepackage fixture are located, after rotating the piston rod of revolution clamping cylinder 11.2 drive while stretching out after revolution supporting plate 11.4 rotate, rear locating dowel pin 11.5 is inserted in the knock hole of rear workpiece and positions; Contraposition is complete, and the piston rod of rear revolution clamping cylinder 11.2 is regained, and rear revolution supporting plate 11.4 is held rear workpiece, has better realized thus the location between suspender and rear workpiece.
Realized above the guide-localization of suspender and gig, suspender and prepackage fixture and suspender and workpiece by detent mechanism under detent mechanism, suspender on suspender and front workpiece locating mechanism and rear workpiece locating mechanism.On this basis, need to be optimized design about the supporting mechanism of front workpiece, rear workpiece, so that grabbing workpiece reliably.This realizes by front support rod assembly 7, back support rod assembly 6 and back support assembly 10 particularly, below is described in detail.
Figure 11 a~Figure 11 b illustrates the structure of front support rod assembly 7, this front support rod assembly 7 is relatively short swing arm, its concrete assembling mode is: some spacers 7.6 are located in the middle of two opposed front end panels 7.1, each spacer 7.6 for place hex bolt 7.2, plain cushion 7.3, bullet pad 7.4, nut 7.5 etc. fastening, front end panel 7.1 bottoms connect by socket bolt 7.25, bullet pad 7.26, hexagon thin nut 7.27, form thus as short swing arm (being front support rod); The Shaft assembly that the top of end swing arm consists of axle 7.9, spacer 7.10, spacer 7.11, spring cotter 7.12 and nut 7.13 is hinged on the front support rod assembly support plate of duel spreader frames 1; Pin assemblies and front roll bar 7.15 that the head end of short swing arm consists of axle 7.14, spring cotter 7.12 and nut 7.13 are hinged, this front roll bar 7.15 is connected to the piston rod of front locking cylinder, on the fixing front locking cylinder base 8 with duel spreader frames 1 of the cylinder barrel of front locking cylinder, front locking cylinder just can drive short swing arm to rotate around duel spreader frames 1 when flexible; The afterbody setting of short swing arm has the vacuum cup 7.17 of Acetabula device and vacuum pump, and its Acetabula device is workpiece before when lifting absorption, so just the front workpiece of fixed pedestal reliably.
As shown in Fig. 2 a~Fig. 2 b, short swing arm afterbody is provided with the adjusting cylinders of initial vacuum sucker 7.17, to adjust the ranging coverage of initial vacuum sucker 7.17.Anterior sucker adjusting cylinders 7.16 is single-piston rod oval-section piston bar cylinder, be anterior sucker adjusting cylinders anterior sucker adjusting cylinders 7.16 in Fig. 2 a~Fig. 2 b, the concrete mounting means of it and initial vacuum sucker 7.17 is: short swing arm tail end is installed angle steel 7.8 and regulating plate 7.7; Regulating plate 7.7 uses hex bolt 7.28, plain cushion 7.29, bullet pad 7.30, nut 7.31 to fix with front end panel 7.1 after adjusting angle; Anterior sucker adjusting cylinders anterior sucker adjusting cylinders 7.16 use socket head cap screws 7.22, plain cushion 7.23, bullet pad 7.24 are fixed with angle steel 7.8; On regulating plate 7.7, by adjusting hex bolt 7.18, plain cushion 7.19, bullet pad 7.20 and nut 7.21, anterior sucker adjusting cylinders anterior sucker adjusting cylinders 7.16 is installed.Wherein on regulating plate 7.7, have two regulating plate elongated slots, the cylinder barrel of anterior sucker adjusting cylinders 7.16 is locked on regulating plate 7.7 by running through the attaching parts of regulating plate elongated slot, and the piston rod of anterior sucker adjusting cylinders 7.16 is installed initial vacuum sucker 7.17.Thus, the relative position with short swing arm tail end along the adjustable anterior sucker adjusting cylinders 7.16 of elongated slot direction; So just can adjust initial vacuum sucker 7.17 positions in short swing arm, ensure that it has a good Support Position to front workpiece.
Above-mentioned front support rod assembly 7 is a kind of workpiece grabbing mechanisms, groundwork process be: in the suspender decline stage, the short swing arm of front support rod assembly 7 becomes vertical state substantially, can not cause interference to front workpiece thus; In the handling stage, the short swing arm of front support rod assembly 7 is at the driving lower swing certain angle (as 90 °) of front locking cylinder, then locked by front locking cylinder, the anterior sucker adjusting cylinders 7.16 that is positioned at short swing arm tail end moves, make the initial vacuum sucker 7.17 on anterior sucker adjusting cylinders 7.16 hold front workpiece, just workpiece before fixed pedestal reliably of short like this swing arm, finally make suspender capture before workpiece complete the handling of front workpiece.The way of realization of this crawl structure is comparatively easy, can capture reliably front workpiece, in working process, can front workpiece not produced and be interfered, and also can not cause damage to the surface of front workpiece.
Back support rod assembly 6 structures shown in Figure 12 a~Figure 12 b, it and front support rod assembly 7 are similar, are also a kind of workpiece grabbing mechanisms, and larger difference is not arrange single-piston rod oval-section piston cylinder, and this matches with rear workpiece shape.
As shown in Figure 12 a~Figure 12 b, back support rod assembly 6 is relatively long swing arm (rear workpiece size is greater than front workpiece size), its concrete assembling mode is: some spacers 6.6 are located in the middle of two opposed rear bearing sheets 6.1, each spacer 6.6 for place hex bolt 6.2, plain cushion 6.3, bullet pad 6.4, nut 6.5 etc. fastening, form long arm swing (being back support rod); The top of long arm swing is hinged to by the Assembly of pin of axle 6.8, spacer 6.9, spacer 6.10, spring cotter 6.12 and nut 6.11 on the back support rod assembly support plate of duel spreader frames 1; Pin assemblies and rear fork 6.14 that the head end of long arm swing consists of axle 6.13, spring cotter 6.12 and nut 6.11 are hinged, this rear fork 6.14 is connected to the piston rod of rear locking cylinder, on the fixing rear locking cylinder base with duel spreader frames 1 of the cylinder barrel of rear locking cylinder, rear locking cylinder just can drive long arm swing to rotate around duel spreader frames 1 when flexible; The tail end of long arm swing, by fixed installation angle steel 6.7 such as hex bolt 6.16, plain cushion 6.3, bullet pad 6.4, nuts 6.5, is installed final vacuum sucker 6.15 on angle steel 6.7, long arm swing swings final vacuum sucker 6.15 while putting in place can hold rear workpiece; In the time that back support rod assembly 6 is locked at lifting attitude by rear locking cylinder, its tail end, by workpiece after final vacuum sucker 6.15 fixed pedestals, is realized the crawl of rear workpiece thus.
Please also refer to Fig. 1 a~Fig. 1 c, the groundwork process of back support rod assembly 6 is: in the decline stage of suspender, the long arm swing of back support rod assembly 6 becomes vertical state substantially, can not cause interference to rear workpiece thus; In the handling stage, the long arm swing of back support rod assembly 6 arrives the angle of basic horizontal at the driving lower swing of rear locking cylinder, then locked by rear locking cylinder, the final vacuum sucker 6.15 that is positioned at long arm swing tail end holds rear workpiece, workpiece after long arm swing fixed pedestal like this, finally make suspender capture after workpiece and complete after the handling of workpiece.The way of realization of this crawl structure is comparatively easy, can capture reliably rear workpiece, in working process, can rear workpiece not produced and be interfered, and also can not cause damage to rear surface of the work.
Figure 13 a~Figure 13 c illustrates the structure of back support assembly 10, and simultaneously referring to Fig. 1 a~Fig. 1 c, this back support assembly 10 is arranged on the afterbody of duel spreader frames 1 by fasteners such as socket bolt 19, plain cushion 20, bullet pads 21.In this back support assembly 10, square tube 10.2, square tube 10.3 cross connections, the port of pipe seals with plate 10.1, plate 10.11 or shrouding 10.10 respectively, forms thus back support skeleton.Stabilizer rod 10.15 is installed to keep balance in the top of skeleton, angle steel 10.5 is installed by socket bolt 10.12, plain cushion 10.13, bullet pad 10.14 in the below of skeleton, on angle steel 10.5, pass through the rear portion sucker adjusting cylinders (single-piston rod oval-section piston cylinder) 10.4 of socket bolt 10.7, plain cushion 10.8, bullet pad 10.9 mounting strap vacuum cups 10.6, in the time of handling, rear portion vacuum cup 10.6 holds the rear workpiece at workpiece rear portion, prevent workpiece rear portion after workpiece upwarp.
Above-mentioned sling system can be used for simultaneously the handling front workpiece of the first specification and rear workpiece, also can be used for the handling front workpiece of the second specification and rear workpiece simultaneously, and the operating process under two kinds of situations is substantially similar, operates all comparatively convenient.Situation was an example in the past, and its basic operation process is as follows:
One, the first size workpiece pickup action
1, point forward and backward workpiece being soldered is placed on prepackage fixture;
2, the control system of suspender declines after receiving signal, and now forward and backward locking cylinder stretches out, and suspender back and front supporting bar assembly and forward and backward locking cylinder are in 90 °;
3, by the guide-localization of upper and lower part radius stay and the location of forward and backward revolution pin assembly, suspender accurately enters pickup position, corresponding locating dowel pin in the forward and backward revolution pin assembly of suspender enters the end face positioning process hole of forward and backward workpiece, now suspender receives the signal that puts in place, and forward and backward revolution clamping cylinder half-twist also clamps;
4, forward and backward locking cylinder shrinks, back and front supporting bar assembly is opened, and holds at a certain angle respectively the end face of forward and backward workpiece, and corresponding forward and backward vacuum cup is air-breathing simultaneously, make forward and backward workpiece firmly fixing, now forward and backward workpiece is thrown off with prepackage fixture;
5, suspender receives to clamp and captures settling signal, and 4 band elevators are mentioned suspender.
Two, the first size workpiece is put part action
1, suspender is waiting for that position receives important document signal, and self-moving carriage walking puts in place, 4 band elevator fast-descendings, and dropping to descending at slow speed after certain altitude;
2, lead by detent mechanism, suspender drives forward and backward workpiece to enter desired location, and due to suspender, adjusted is to certain angle when the forward and backward workpiece of gripping, and therefore forward and backward workpiece enters Shi Buhui and the interference of left and right gusset;
3, receive and put in place after signal, all vacuum cup is died, and sucker adjusting cylinders shrinks, and forward and backward locking cylinder stretches out simultaneously, and forward and backward workpiece engages with the left and right gusset of equipment (as operator's compartment), and forward and backward revolution clamping cylinder unclamps;
4, suspender receives and puts part settling signal, and 4 band elevators rise, and automatic carriage turns back to wait position and waits for a grabbing workpiece, and suspender completes puts part action.
In order to improve the degree of automation of above-mentioned suspender, can build easily corresponding control system for above-described suspender, be described further combined with Figure 14~Figure 16 d.
Referring to Figure 14, represent the composition of the control system block diagram of sling system of the present invention, it is provided with some electromagnetic valves (group), some vacuum generators (group) and controller, cylinder line, vacuum cup group, wherein:
Electromagnetic valve group is linked in gas circuit, control the first front revolution clamping cylinder, the second front revolution clamping cylinder, rear revolution clamping cylinder, locating dowel pin adjusting cylinders, front locking cylinder, rear locking cylinder, anterior sucker adjusting cylinders and rear portion sucker adjusting cylinders on/off gas circuit, (comprise the first front revolution pin assembly 7 to whether open or close relevant positioning component, the second front revolution pin assembly 9, rear revolution pin assembly 6) or supporting component (comprise front support rod assembly 11, back support rod assembly 12 and back support assembly 10), and whether adjust the position about vacuum cup,
Vacuum generator group is linked in gas circuit, controls initial vacuum sucker, final vacuum sucker and rear portion vacuum cup on/off gas circuit, so that corresponding absorption workpiece whether;
Controller, be preferably programmable logic controller (PLC) (PLC), mouth is connected to the signal input part of electromagnetic valve and vacuum generator, export control signal according to workpiece character and suspender state to relevant electromagnetic valve or vacuum generator, move by predetermined policy to manipulate corresponding cylinder or sucker, thereby finally realize the pickup of workpiece and put part according to predetermined strategy.
Referring to Figure 15, be the example of a kind of gas circuit implementation structure in Figure 14, the gas circuit in control system of the present invention is not limited to the type of attachment that this example provides.For simplicity, the layout in the following ways of the Reference numeral in this figure: the first field letter representation component type, as be connected with the version of this numeral element of numeral, for example k23 represents two-position three way electric control solenoid valve; The second field numeral element number; The 3rd field numeral element is positioned at the direction of suspender, and left side is a, and right side is b; The suspender parts sequence number of the 4th field numeral component installation location; The numbering of the 5th field numeral element in suspender parts; The similar elements sequence number of the 6th field numeral element in suspender parts.For example, x.3.b.7.17.1 represent the 3rd vacuum cup, it is positioned on the right side front support rod assembly 7 of suspender, and it is first vacuum cup in this front support rod assembly 7, and its components list at front support rod assembly is shown 7.17.
In the sling system of Fig. 1 a~Fig. 1 c, be provided with two group of first front revolution pin assembly 7, the second front revolution pin assembly 9, rear revolution pin assembly 6, two groups of front support rod assemblies 11, back support rod assembly 12, one group of back support assembly 10, therefore be provided with accordingly following control element in Figure 15: six clamping cylinders (j.1.a.11.2, j.2.b.11.2, j.3.a.12.2, j.4.b.12.2, j.5.a.9.3, j.6.b.9.3) and two slide rail cylinders (h.1.a.9.2, h.1.b.9.2); Four locking cylinders (s.1.a.7, s.2.b.7, s.3.a.6, s.4.b.6), six oval cylinders (t.1.a.7.16.1, t.2.a.7.16.2, t.3.b.7.16.1, t.4.b.7.16.2, t.5.a.10.4, t.6.b.10.4) and eight vacuum cups (x.1.a.7.17.1, x.2.a.7.17.2, x.3.b.7.17.1, x.4.b.7.17.2, x.5.a.6.15, x.6.b.6.15, x.7.b.10.6, x.8.b.10.6).
In Figure 15, six locking cylinders, two slide rail cylinders, six oval cylinders are connected on source of the gas by two five-way electromagnetic valves (k25.1, k25.2, k25.3, k25.4, k25.5, k25.6) respectively; Four locking cylinders are respectively by 3 position-5 way electromagnetic valve (k35.1, k35.2) be connected on source of the gas, these four locking cylinders be connected to governor valve (v.1, v.2, v.3, v.4), (p.1, p.2 four locking cylinders also connect quick exhaust valve by two-bit triplet electromagnetic valve (k23.1, k23.2) simultaneously, p.3, p.4); Like this, all power elements are all reasonably connected on source of the gas; Spiral tube lxg, thribble slg and shutoff valve jzf can be set on the connecting line of source of the gas, form thus control gas circuit.Be understandable that, above-mentioned gas circuit power element also can adopt other connection mode, repeats no more.
In control system described in Figure 14, controller specifically can be controlled by the control policy shown in Figure 16 a~Figure 16 d, is below described.
Process when Figure 16 a represents the front workpiece of the first specification and rear workpiece pickup, is specially: suspender declines, and front locking cylinder and rear locking cylinder are opened; Suspender declines and puts in place, front locking cylinder and rear locking cylinder closure, anterior sucker adjusting cylinders and rear portion sucker adjusting cylinders stretch out, and initial vacuum sucker, final vacuum sucker and rear portion vacuum cup adsorb, the first front revolution clamping cylinder and rear revolution clamping cylinder closure; Other pneumatic element is closed and is failure to actuate.
The process that Figure 16 b is illustrated in the front workpiece of the first specification and rear workpiece while putting part, be specially: the first front revolution clamping cylinder and rear revolution clamping cylinder are opened, initial vacuum sucker, final vacuum sucker and rear portion vacuum cup are died, anterior sucker adjusting cylinders and rear portion sucker adjusting cylinders are retracted, front locking cylinder and rear locking cylinder are opened, and suspender rises; Other pneumatic element is closed and is failure to actuate.
Process when Figure 16 c is illustrated in the front workpiece of the second specification and rear workpiece pickup, is specially: locating dowel pin adjusting cylinders stretches out; Suspender declines, and front locking cylinder and rear locking cylinder are opened; Suspender declines and puts in place, front locking cylinder and rear locking cylinder closure, anterior sucker adjusting cylinders and rear portion sucker adjusting cylinders stretch out, and initial vacuum sucker, final vacuum sucker and rear portion vacuum cup adsorb, the second front revolution clamping cylinder and rear revolution clamping cylinder closure; Other pneumatic element is closed and is failure to actuate.
Figure 16 d is illustrated in the part process of putting that the front workpiece of the second specification and rear workpiece are put part, be specially: the second front revolution clamping cylinder and rear revolution clamping cylinder are opened, initial vacuum sucker, final vacuum sucker and rear portion vacuum cup are died, anterior sucker adjusting cylinders and rear portion sucker adjusting cylinders are retracted, front locking cylinder and rear locking cylinder are opened, suspender rises, and other pneumatic element is closed and is failure to actuate.
Described in above embodiment, suspender and control system can realize the location of location, suspender and the rear workpiece of suspender and prepackage fixture and gig preferably, and fixed pedestal and the crawl function of suspender to rear workpiece, can realize easily thus the automatic capturing of rear workpiece and reach the standard grade; Because suspender enters with a fixed angle in the time that rear workpiece is reached the standard grade, avoid the interference problem of top cover and left and right gusset, back wall and other pattern welding equipments; In addition, the yielding position of rear workpiece adopts cylinder and vacuum cup combined support mode, can prevent rear workpiece deformation, makes its accurate positioning of reaching the standard grade; This suspender can meet the requirement of equipment piecemeal butt welding process well thus, has improved Product Assembly efficiency, ensures the assembly quality of product.
As can be seen here, the exclusive technology that adopts sling system based on above embodiment for domestic production is more attractive in appearance, safety and cheaply large-sized sheet material stamped workpieces equipment provide may, thereby there is good application prospect.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, therefore protection scope of the present invention should be as the criterion with the scope that the claims in the present invention were defined.