CN203764827U - Automatic workpiece conveying system - Google Patents

Abstract

The utility model discloses an automatic workpiece conveying system which comprises a fixed support, a transmission box, a feeding-in swinging arm, a lifting swinging arm, a telescopic swinging arm, a feeding swinging arm and a workpiece gripping device. A supporting plate is arranged on the fixed support, and the transmission box is arranged under the fixed support. The feeding-in swinging arm is of a box structure, a gear or a synchronous belt is arranged in the feeding-in swinging arm, the lower end of the feeding-in swinging arm is connected with an output gear of the transmission box, the upper end of the feeding-in swinging arm is hinged to one end of the lifting swinging arm, the gear or the synchronous belt of the feeding-in swinging arm transmits power of the transmission box to the lifting swinging arm, and the other end of the lifting swinging arm is hinged to the supporting point of the middle section of the telescopic swinging arm. The telescopic swinging arm comprises a swinging rod and a sliding plate, wherein the upper end of the swinging rod is hinged to the supporting plate on the fixed support, the lower end of the sliding plate is connected with the feeding swinging arm, and a transmission mechanism is arranged at the other end of the feeding swinging arm and connected with the workpiece gripping device. The automatic workpiece conveying system can grip and place workpieces quickly and conveniently in small space between an upper die and a lower die, manufacturing cost of the pressure machines is reduced, part conveying time is shortened, and production efficiency is increased.

Description

A kind of automatic conveying device for workpieces

Technical field

The utility model relates in a kind of forcing press loading and unloading, particularly punch line for the workpiece transfer device from a upper order to next order.Also the workpiece that can be used for separate unit forcing press or similar machine picks and places and transmits.

Background technology

A plurality of operations of manufacture needs by metal tablet to shaping workpiece, wherein most important operation is punch forming.Metal tablet needs, through multiple continuous forming step such as pull and stretch, bending, perforate, deburrings, finally to obtain needed shape in forcing press.The form of mould has determined the shape of workpiece, and the mould of forcing press generally includes a patrix and a corresponding counterdie, and described mould moves relative to each other, and makes to be placed on the workpiece stretch forming between upper/lower die.Because the moulding of a workpiece need to complete through the continuous molding procedure of a plurality of moulds, therefore need to arrange continuously that a plurality of forcing presses form punch line, or adopt the forcing press that comprises a plurality of moulds.On the one hand, the production capacity of punch line or multimode stamping machine is that production capacity by forcing press realize a needed Time dependent of shaping operation.Yet on the other hand, described ability depends on again the conevying efficiency of workpiece from a forcing press station to the next stop to a great extent.Therefore, importantly adopt and workpiece is automatically transported to the rapid transit system of the next stop from a forcing press station.

In punch line, the workpiece Transfer method between adjacent forcing press, has robot method of shipment or conveyer mode.So-called robot method of shipment, is that the carrier robot of joint type is set between adjacent forcing press, utilizes this carrier robot in the forcing press of a procedure, to take out workpiece in the past, this workpiece is sent into the forcing press of next operation simultaneously.But robot method of shipment must be followed the intermittently moving separately of adjacent forcing press and be transported workpiece, and must when transporting, workpiece avoid the interference with metal die etc.Therefore, the shortcoming of existence is the travelling speed high speed that can not make workpiece, thereby has limited the raising of whole line productive temp.In addition, while adopting robot method of shipment, teaching transport aspect track its teaching difficulty and debug time long.Conveyors carry mode is divided into single armed feeding and two kinds of modes of both arms feeding, single armed feeding is between adjacent forcing press, to arrange a set of pay-off, arm for taking material extend into forcing press die cavity and takes out workpiece from press ram dead ahead, this workpiece is sent into the forcing press die cavity of next operation simultaneously.Both arms feeding is that a set of feeding arm is arranged respectively in the left and right sides between adjacent forcing press, and two cover feeding arms connect by a cross bar, and feeding arm drives cross bar to complete transporting of workpiece.

Summary of the invention

Technical problem to be solved in the utility model is the defect existing for prior art, and providing a kind of can carry out the automatic conveying device that workpiece transports quickly and easily, enhances productivity.

For solving this technical problem, the utility model provides a kind of automatic conveying device for workpieces, comprises fixed support, transmission case, sends swing arm to, promotes swing arm, flexible swing arm, feeding swing arm, workpiece grabbing device; Described fixed support top is provided with supporting plate, and below is transmission case; It is described that to send swing arm to be box-type drive mechanism, inside arranges gear drive or Timing Belt, send the lower end of swing arm to and the output gear of transmission case is connected, its upper end is hinged with the one end that promotes swing arm, send to the gear of swing arm or Timing Belt by the transmission of power of transmission case to promoting swing arm, promote the other end of swing arm and the stage casing of flexible swing arm and prop up point articulated; Described flexible swing arm comprises fork and the slide plate that can slide along fork, supporting plate on fork upper end and fixed support is hinged, the lower end of slide plate is connected with feeding swing arm and can be flexible with slide plate, the other end of described feeding swing arm is provided with synchronous belt drive mechanism, and workpiece grabbing device is connected with synchronous belt drive mechanism.

Be located at motor one, reductor one driven wheel one of transmission case top, gear one driven wheel two, gear and the lower end of sending swing arm to are fixedly connected with and then drive sends swing arm swing to; Motor two, reductor two driving shafts of being located at transmission case below, axle is connected with gear three, and gear three is travelling gear four, gear five and gear six successively, and gear is fixedly connected with and then drives lifting swing arm with lifting swing arm.

The fork of described flexible swing arm is provided with line slide rail and Timing Belt one, and line slide rail is provided with sliding shoe, and slide plate is connected with sliding shoe and is fixedly connected with Timing Belt one by clamping plate; Motor three and reductor three driving pulleys one are set above described flexible swing arm and then drive slide plate to make back and forth movement along line slide rail by driving Timing Belt one, thereby the length of flexible swing arm is changed.

Described feeding swing arm comprises motor four, reductor four and swing arm, the standing part of reductor four is fixedly connected with the lower end of telescopic arm slide plate, its rotating part is fixedly connected with the upper end of swing arm, be located at motor five that the synchronous belt drive mechanism of the feeding swing arm other end comprises successively driving pulley three, Timing Belt two and belt wheel four by transmission of power to reductor five and reductor six.

Described workpiece grabbing device comprises left and right cross bar and is fixed on the terminal-collecting machine composition that grasps function on cross bar with workpiece, left and right two parts cross bar is connected on the reductor five, reductor six of the synchronous belt drive mechanism of feeding swing arm lower end, described cross bar can swing along the direction of vertical work piece delivery along with feeding swing arm, terminal-collecting machine can be along cross bar transversely moving at part direction of transfer.

Beneficial effect: workpiece can be put into or take out to the utility model can in the situation that free space between upper/lower die is less, can carry out quickly and easily workpiece picks and places, both reduced the manufacturing cost of press equipment, shortened again the delivery time of part, make stamped workpieces transfer rate high speed, thereby enhance productivity.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the utility model feeding positional structure schematic diagram;

Fig. 3 is the utility model blowing positional structure schematic diagram;

Fig. 4 is the structural representation cutaway view of the utility model transmission case;

Fig. 5 is the structural representation front view of the flexible swing arm of the utility model;

Fig. 6 is the structural representation front view of the utility model feeding swing arm;

Fig. 7 a is the structural representation front view of the utility model workpiece grabbing device;

Fig. 7 b is the structural representation top view of the utility model workpiece grabbing device;

Fig. 8 is the structural representation of the utility model embodiment.

In figure: 1 tandem punch line, 2 cross bearers, 3 slide blocks, 4 molds, 5 bed dies, 6 travelling tables, 7 forcing press columns, 8 fixed supports, 9 transmission cases, 10 are sent swing arm, 11 to and promoted swing arm, 12 flexible swing arms, 13 slide plates, 14 feeding swing arms, 15 workpiece grabbing devices, 16 transmitting devices one, 17 transmitting devices two, 18 transmitting devices three, 19 transmitting devices four, 20 geometric locuses, 21 crossbeams, 22 cantilever beams, 23 dampers, 24 parallel sliding tracks, 25 supporting plates, 26 forks, 27 motors one, 28 reductors one, 29 gears one, 30 gears two, 31 motors two, 32 reductors two, 33 axles, 34 gears three, 35 gears four, 36 gears five, 37 gears six, 38 motors three, 39 reductors three, 40 belt wheels one, 41 Timing Belts one, 42 line slide rails, 43 clamping plate, 44 belt wheels two, 45 motors four, 46 reductors four, 47 swing arms, 48 motors five, 49 belt wheels three, 50 Timing Belts two, 51 reductors five, 52 belt wheels four, 53 reductors six, 54 motors six, 55 leading screws, 56 cross bars, 57 slide rails, 58 terminal-collecting machines.

The specific embodiment

The utility model adopts the swing arm of several different lengths to be hinged, by swinging and stretching motion is realized lifting, the translation of workpiece in transmitting procedure and rotatablely moves, and can to the hoisting depth of grabber and running orbit, programme according to the difformity of workpiece, its version has at the more favourable barrier of keeping away aspect press ram motion, therefore press ram open stroke relatively a hour feeding arm just can stretch between upper and lower mould so that taking-up part.

Below in conjunction with drawings and Examples, the utility model is specifically described.

Figure 1 shows that structural representation of the present utility model.

Described automatic conveying device comprises fixed support 8, transmission case 9, sends swing arm 10 to, promotes swing arm 11, flexible swing arm 12, feeding swing arm 14, workpiece grabbing device 15.

Described fixed support 8 tops are provided with supporting plate 25, and below is transmission case 9.

Described fixed support 8 is provided with two vertical parallel sliding tracks 24, supporting plate 25 is fixedly connected with the sliding shoe on slide rail, its below transmission case 9 arranges motor and speed reducer driving and sends swing arm 10 to and promote swing arm 11, making to send to swing arm 10 is arranged on the casing being connected with fixed support 8 with the transmission that promotes swing arm 11, be very beneficial for reducing the rotary inertia of movement parts, and can make workpiece travelling speed high speed.

Figure 4 shows that the structural representation cutaway view of the utility model transmission case.

The motor 1 that the top of described transmission case 9 arranges, reductor 1 be driven wheel 1, gear 2 30 successively, and gear 30 is concentric with the swing fulcrum of sending swing arm 10 lower ends to, and both are fixedly connected with, and gear 2 30 and then driving are sent swing arm 10 to and swung; Be located at motor 2 31, reductor 2 32 driving shafts 33 of transmission case 9 belows, axle 33 is connected with gear 3 34, gear 3 34 is travelling gear 4 35, gear 5 36 and gear 6 37 successively, and gear 6 37 is fixedly connected with lifting swing arm 11 and then transmission of power is arrived and promotes swing arm 11.

The described lower end of sending swing arm 10 to is connected with the output gear of transmission case 9, its upper end is hinged with the one end that promotes swing arm 11, send swing arm 10 to for box-type drive mechanism, inside arranges gear drive or toothed belt transmission and is used for the transmission of power of transmission case 9, to promoting swing arm 11, sending swing arm 10 to and realizing workpiece from a upper station moving horizontally to next station by swing.

The described casing of sending swing arm 10 to is high strength aluminum casting or Steel Thin-Wall weldment, makes to send to swing arm 10 and has both possessed enough rigidity, lightweight as far as possible again.

One end of described lifting swing arm 11 is with to send swing arm to hinged, the stage casing of the other end and flexible swing arm 12 is propped up point articulated, the swing that promotes swing arm 11 realizes fast lifting and the decline that workpiece grabbing device picks and places workpiece in die cavity on the one hand, adapts on the other hand different counterdie height and the workpiece transmission height from a upper station to next station.

Figure 5 shows that the structural representation front view of the flexible swing arm of the utility model.

Described flexible swing arm 12 comprises fork 26 and slide plate 13.

Described fork 26 is standing parts of flexible swing arm 12, fork 26 is provided with line slideway and Timing Belt, line slide rail 42 is provided with sliding shoe, the supporting turning point of supporting plate 25 lower ends on fork 26 upper ends and fixed support 8 is hinged, when flexible swing arm swings, can along the guide rail on fixed support, carry out vertical displacement movement together with supporting plate.

The fork 26 of flexible swing arm 12 is high strength aluminum casting or Steel Thin-Wall weldment, has both possessed enough rigidity, reduces as far as possible again the rotary inertia of telescopic arm.

Described slide plate 13 is slippers of flexible swing arm 12, slide plate 13 is connected with sliding shoe and is fixedly connected with Timing Belt 1 by clamping plate 43, motor 3 38 and reductor 3 39 driving pulleys 1, belt wheel 2 44 and Timing Belt 1 are set above flexible swing arm 12, slide plate 13 is made back and forth movement with the driving of Timing Belt 1 along line slide rail 42, thereby the length of flexible swing arm 12 is changed.

The lower end of described slide plate 13 is connected with feeding swing arm 14 and is flexible with slide plate 13, the other end of described feeding swing arm 14 is provided with synchronous belt drive mechanism, workpiece grabbing device 15 is connected with synchronous belt drive mechanism, when feeding swing arm 14 turnover mould district, can swing on one side, flexible with slide plate 13 on one side, this version is opened stroke relatively hour at press ram, feeding swing arm 14 just can extend in more favourable mode between mold 4 and bed die 5 and pick and place workpiece, this motion mode both can shorten the delivery time of part, also reduce the manufacturing cost of press equipment simultaneously.

Figure 6 shows that the structural representation front view of the utility model feeding swing arm.

Described feeding swing arm 14 is arranged on the top of work piece delivery plane, comprise motor 4 45, reductor 4 46 and swing arm 47, the standing part of reductor 4 46 is fixedly connected with the lower end of telescopic arm slide plate 13, and reductor 46, swing arm 47 are same center with the lower end of telescopic arm slide plate 13; Its rotating part is fixedly connected with the upper end of swing arm 47, and the swing of feeding swing arm 14 is to drive swing arm 47 to complete by the motor 4 45 that is connected to self, reductor 4 46.

At feeding swing arm 14 other ends, by synchronous belt drive mechanism, be connected with workpiece grabbing device 15, described synchronous belt drive mechanism comprises motor 5 48, driving pulley 3 49, Timing Belt 2 50 and belt wheel 4 52, arrive reductor 5 51 and reductor 6 53 by Timing Belt 2 50 by transmission of power successively.

During feeding swing arm 14 turnover mould district, on one side can swing, Yi Bian flexible with slide plate 13.This version is advantageous particularly for utilizing the turnover mould district, space that has free passage less between mold 4 and bed die 5, the interference of having avoided feeding swing arm 14, workpiece grabbing device 15 and workpiece to move with slide block 3 in motion process, at slide block 3, open stroke relatively hour, feeding swing arm 14 just can extend in more favourable mode between mold 4 and bed die 5 and pick and place workpiece.The structure of this transmitting device and its compound motion process have determined that it has and have kept away preferably barrier, and single axle does not need very high speed and acceleration just can complete at a high speed the transmission of workpiece from a upper operation to subsequent processing, both shortened the delivery time of workpiece, reduced again the shake that workpiece is in operation, transmitted steadily.Also reduce the manufacturing cost of press equipment and transmitting device simultaneously.

Fig. 7 a is depicted as the structural representation front view of the utility model workpiece grabbing device.

Fig. 7 b is depicted as the structural representation top view of the utility model workpiece grabbing device.

15 minutes left and right two parts of described workpiece grabbing device and being arranged symmetrically, comprise left and right cross bar 56 and are fixed on the terminal-collecting machine 58 that grasps function on cross bar 56 with workpiece, cross bar 56 is fixedly connected with the rotating part of reductor 6 53.

Described cross bar 56 has the additional free degree, can be along with feeding swing arm 14 swings along vertical work piece delivery direction, for example, when carrying dual-workpiece and need to change the centre-to-centre spacing of two workpiece, terminal-collecting machine 58 on two ends cross bar 56 can be along cross bar 56 transversely moving at part direction of transfer, this function is that the motor 6 54 self being connected by cross bar 56 drives leading screw 55 to complete, on the cross bar 56 at two ends, respectively arrange two parallel sliding tracks 57, during for terminal-collecting machine 58 and workpiece transverse translation, play the guiding role.

Due in workpiece course of conveying, the lower surface of terminal-collecting machine 58 substantially all the time with ground keeping parallelism, so workpiece grabbing device need to be followed feeding swing arm 14 and be rotated in real time, motor 5 48 and toothed belt transmission thereof are for driving rotatablely moving of workpiece grabbing device 15.

The workpiece that the utility model can be used for separate unit forcing press or similar machine picks and places and transmits, and also can be applicable to tandem press production line.This swing type automatic conveying device for workpieces is placed in press ram front upper place, do not need between press ram and column more additional free space, workpiece can be put into or take out to Telescopic hinge joint arm configuration can and just in the situation that free space between upper/lower die is less, and the operation curve that this transmitting device can be followed stamping machine when stamping machine continuous operation transmits workpiece.

Figure 8 shows that the structural representation of the embodiment of the utility model on series connection punch line 1.

This embodiment comprises the series connection punch line 1 that many forcing presses form, forcing press is topmost crossbeam 2, mold 4 is clamped at slide block 3 lower surfaces, bed die 5 is fixed on press bench 6, on every forcing press, automatic conveying device for workpieces is installed, this automatic conveying device for workpieces is located at the top of work piece delivery plane, by crossbeam 21 and cantilever beam 22, be arranged on forcing press column 7, automatic conveying device for workpieces send swing arm 10 to, promote swing arm 11, flexible swing arm 12, feeding swing arm 14 and workpiece grabbing device 15 are hinged, by swing and stretching motion, realize the lifting of workpiece in transmitting procedure, translation and rotatablely moving, and can to the hoisting depth of workpiece grabbing device 15 and running orbit, programme and form geometric locus 20 according to the difformity of workpiece, feeding swing arm 14 can be stretched between the mold 4 of forcing press and bed die 5 and pick and place out the workpiece of being located on bed die 5.

Described fixed support 8 is in order to carry a whole set of transmitting device, cross-over connection crossbeam 21 on two forcing press columns 7, on forcing press column 7, go back connecting cantilever crossbeam 22, the fixed support 8 that carries a whole set of transmitting device is suspended in crossbeam 21 and cantilever beams 22, be positioned at the positive front upper place of press ram 3, in crossbeam 21 and cantilever beams 22 and forcing press column 7 junctions, be provided with damper 23, the impact of the vibrations of forcing press on transmitting device when reducing workpiece punch forming.

Each automatic conveying device for workpieces is showed by the duty with different:

Figure 2 shows that the utility model feeding positional structure schematic diagram.

Figure 3 shows that the utility model blowing positional structure schematic diagram.

Transmitting device 16 represents in feeding position (as shown in Figure 3); The holding fix that transmitting device 17 represents during Workpiece shaping; Transmitting device 18 represents in workpiece being taken out and along geometric locus 20, this work piece delivery being arrived to next station; Transmitting device 19 represents in blowing position (as shown in Figure 4), and workpiece is put into bed die 5.

Geometric locus 20 sweep is below the track that 15 zero loads of workpiece grabbing device are returned, and sweep is above the track of workpiece grabbing device 15 bringing onto load operations.The height of geometric locus 20 can freely be programmed according to the degree of depth of Workpiece shaping and the height that need to mention.Part outside geometric locus 20Mo district, is that track or the unloaded track returning of bringing onto load operation is all very level and smooth curve, does not need to rise or decline, and succinct running orbit is conducive to shorten the workpiece transfer time.

The utility model is its motion process and version, it does not need the additional free space between press ram and column, and just can put into or take out workpiece in the situation that free space between upper/lower die is less, can be quick, carry out easily workpiece and transport track teaching, and can make the Work conveying apparatus of the tandem continuous punching line ball of workpiece travelling speed high speed, both reduced the manufacturing cost of press equipment, shortened again the delivery time of part, make the work piece delivery speed high speed of tandem continuous punching line ball, thereby improve the production efficiency of whole line.

The utility model be not limited to describe and illustrated embodiment, it also comprises all configurations that in the scope of current claim, professional can make.

Claims (5)

1. an automatic conveying device for workpieces, is characterized in that: comprise fixed support (8), transmission case (9) and send swing arm (10), lifting swing arm (11), flexible swing arm (12), feeding swing arm (14) and workpiece grabbing device (15) to; Described fixed support (8) top is provided with supporting plate (25), and below is transmission case (9); Describedly send swing arm (10) to for box-type drive mechanism, inside arranges gear drive or Timing Belt, (10 lower end is connected with the output gear of transmission case (9) to send swing arm to, its upper end is hinged with the one end that promotes swing arm (11), send to the gear of swing arm (10) or Timing Belt by the transmission of power of transmission case (9) to promoting swing arm (11), promote the other end of swing arm (11) and the stage casing of flexible swing arm (12) and prop up point articulated; Described flexible swing arm (12) comprises fork (26) and the slide plate (13) that can slide along fork (26), supporting plate (25) on fork (26) upper end and fixed support (8) is hinged, the lower end of slide plate (13) is connected with feeding swing arm (14) and can be flexible with slide plate (13), the other end of described feeding swing arm (14) is provided with synchronous belt drive mechanism, and workpiece grabbing device (15) is connected with synchronous belt drive mechanism.

2. automatic conveying device for workpieces according to claim 1, it is characterized in that: motor one (27), reductor one (28) driven wheel one (29) of being located at transmission case (9) top, gear one (29) driven wheel two (30), gear (30) and the lower end of sending swing arm (10) to are fixedly connected with and then drive to be sent swing arm (10) to and swings; Be located at motor two (31), reductor two (32) driving shafts (33) of transmission case (9) below, axle (33) is connected with gear three (34), gear three (34) is travelling gear four (35), gear five (36) and gear six (37) successively, and gear (37) is fixedly connected with and then drives lifting swing arm (11) with lifting swing arm (11).

3. automatic conveying device for workpieces according to claim 1, it is characterized in that: the fork (26) of described flexible swing arm (12) is provided with line slide rail (42) and Timing Belt one (41), line slide rail (42) is provided with sliding shoe, and slide plate (13) is connected with sliding shoe and passes through clamping plate (43) and is fixedly connected with Timing Belt one (41); Motor three (38) and reductor three (39) driving pulleys one (40) are set above described flexible swing arm (12) and then drive slide plate (13) to make back and forth movement along line slide rail (42) by driving Timing Belt one (41), thereby the length of flexible swing arm (12) is changed.

4. automatic conveying device for workpieces according to claim 1, it is characterized in that: described feeding swing arm (14) comprises motor four (45), reductor four (46) and swing arm (47), the standing part of reductor four (46) is fixedly connected with the lower end of telescopic arm slide plate (13), its rotating part is fixedly connected with the upper end of swing arm (47), be located at motor five (48) that the synchronous belt drive mechanism of feeding swing arm (14) other end comprises driving pulley three (49) successively, Timing Belt two (50) and belt wheel four (52) arrive reductor five (51) and reductor six (53) by transmission of power.

5. according to the automatic conveying device for workpieces described in claim 1-4 any one, it is characterized in that: described workpiece grabbing device (15) comprises left and right cross bar (56) and is fixed on upper terminal-collecting machine (58) composition that grasps function with workpiece of cross bar (56), left and right two parts cross bar (56) is connected to the reductor five (51) of the synchronous belt drive mechanism of feeding swing arm (14) lower end, reductor six (on 53), described cross bar (56) can swing along vertical work piece delivery direction along with feeding swing arm (14), terminal-collecting machine (58) can be along cross bar (56) transversely moving at part direction of transfer.