CN1235699C - Automatic production line for punch - Google Patents

Automatic production line for punch Download PDF

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Publication number
CN1235699C
CN1235699C CN 03144253 CN03144253A CN1235699C CN 1235699 C CN1235699 C CN 1235699C CN 03144253 CN03144253 CN 03144253 CN 03144253 A CN03144253 A CN 03144253A CN 1235699 C CN1235699 C CN 1235699C
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CN
China
Prior art keywords
machine
punch press
support
roller
mainly
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CN 03144253
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Chinese (zh)
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CN1522808A (en
Inventor
付植桐
张永飞
李茹
吕英芳
李运生
孙茂华
王凯
邢朝明
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天津职业大学
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Priority to CN 03144253 priority Critical patent/CN1235699C/en
Publication of CN1522808A publication Critical patent/CN1522808A/en
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Publication of CN1235699C publication Critical patent/CN1235699C/en

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Abstract

The present invention relates to an automatic production line of punching machines, which comprises a thorn-removing machine, a conveying belt and a pain-coating machine orderly connected after a punching machine. The present invention is characterized in that an uncoiling machine, a coil opening mechanism, a material storing mechanism and a material feeding mechanism are orderly connected before the punching machine, a material receiving mechanism is connected between the punching machine and the thorn-removing machine, and a dust-removing machine is connected between the thorn-removing machine and the conveying belt. The material receiving mechanism mainly comprises a mechanical hand, a rolling mechanism, a cutting mechanism, a waste material processing mechanism, etc., and all the mechanisms are controlled by an electric control cabinet and corresponding programs. The present invention has the characteristics of good production continuity of the punching machine, high automation degree of the whole process, low cost, reliable work, stable product quality, etc.

Description

The punch press automatic assembly line
Technical field
The present invention relates to machining punch press technology, be specially the technology that sheet metal or coiled material utilize the continuous processing and manufacturing product of punch press, international monopoly Main classification number plan is Int.Cl 7.B21D 28/00.
Background technology
Punch press is a kind of equipment commonly used in the machining, is mainly used in punch process sheet metal or coiled material, directly obtains the product according to model forming.
Present punch press, the production technology of particularly large-scale punch press processing mostly are artificial feeding, artificial discharging, and typical technical process is as follows:
Manual cut-parts → craft send sheet → punch press punching out → craft to connect material → artificial sign indicating number material.
It is produced and obviously exists following subject matter:
1. labour intensity is big, poor stability
Each operation does not have equipment substantially before and after the existing punch press, and mainly by manual operations, labour intensity is very big, particularly large-scale pressing equipment, structure is huge, and punching out pressure is big, and scantling is also big, and the operator moves up very difficult, both inconvenient, also easily be scratched, there is hidden danger.
2. non-automaticization production, productivity ratio is low
Each operation is by manually-operated before and after the existing punch press, and personnel selection is many, and efficient is low, and particularly production time and auxiliary time of production are difficult to control, and productive temp is unbalanced and be difficult to improve incompatible production in enormous quantities the in enormous quantities and modern management.
3. quality of production instability
Manually-operated, product quality can be subjected to artificial factor, is difficult to guarantee; If increase the certain quality control device, then can strengthen production cost.
4. manually-operated disperses, and the occupied ground area is big.
Introduced a kind of stamping-out process equipment of sheetmetal Chinese patent ZL94208783.6 number, concrete title is the punching out machine of a kind of rotor and stator chip.This machinery on the basis of existing punching out plate equipment by setting up the coiled strip conveyer, feeding table switching mechanism and isolator, automatic lubricator and reduce to pick the material claw, technical measures such as reservation material stock space promotion travel control switch have been improved the duty of original equipment, have easy to adjust, reliable and the productivity ratio height of transmission feeding, characteristics such as scope of application broad.But it is also not nearly enough apart from the requirement of production line, even can't be called the production line under the Modern Significance, and the productivity of this equipment and automaticity are also still very low, far can not adapt to the requirement to modern punch press automatic assembly line equipment.Another piece name is called the document (Li Ru etc. of " coiled material blanking line structure and unreeling machine design ", Institutes Of Technology Of Tianjin's journal, 2003.6.P48-50.) mentioned the structure of coiled material blanking line, mainly contain lifting walking car, unreeling machine, coil opening machine, storing mechanism, feed mechanism, removable workbench, punch press, manipulator, thorn removing machine, dust removal machine, conveyer belt and coating machine etc.But from technical standpoint, the document has mainly been introduced the wherein art designs of unreeling machine structure, and all the other mechanisms of production line or mechanical structures and their automatic control all are not specifically related to, and therefore can not constitute the overall technical architecture of punch press automatic assembly line.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, the technical problem that solve is a kind of punch press automatic assembly line of design, and it is good that it has punch press production continuity, whole-course automation degree height, and cost is low, reliable operation, characteristics such as constant product quality.
The technical scheme that the present invention solve the technical problem is: design a kind of punch press automatic assembly line, comprise the uncoiler, loose winding mechanism, storing mechanism, feed mechanism, punch press, material receiving mechanism, thorn removing machine, dust removal machine, conveyer belt and the coating machine that connect successively, described uncoiler mainly comprises motor, deceleration device and the power transmission shaft of mechanical connection successively, mechanical connection power transmission shaft, symmetry are installed in sprocket wheel, clamp shaft, screw pair and the chuck of support both sides successively, and clamp shaft, screw pair and chuck symmetry are installed in the top of support; It is characterized in that described uncoiler, loose winding mechanism, storing mechanism, feed mechanism, punch press, material receiving mechanism, thorn removing machine, dust removal machine, conveyer belt and coating machine control by electric control cabinet and corresponding program; Described loose winding mechanism mainly comprises motor, deceleration device and the roller mechanism of mechanical connection successively, and all is installed on the trestle table, on trestle table, also be equipped with link to each other with roller mechanism machinery lift axis mechanism, baffle plate and drive balls; Described storing mechanism mainly comprises material pit, in material pit before and after hole wall symmetry be fixed with two root posts, and symmetry is installed in two pairs of photoelectric sensors of certain altitude on every root post respectively; Described feed mechanism mainly comprises the delivery platform that is made of the many groups transfer roller on support and its, rack-mount motor and transmission mechanism, the roller mechanism that links to each other with transmission mechanism machinery with roller mechanism mechanical link to each other lift axis mechanism; Described material receiving mechanism mainly comprises manipulator, roller mechanism, shut-off mechanism and waste disposal mechanism, described manipulator is installed in the top center of portal frame, it comprises motor, the deceleration device that links to each other of machinery, sprocket wheel, sprocket pin reciprocator, rolling linear guide and by the vacuum cup of both controlled motions of back with it successively, described shut-off mechanism is installed in the centre of the lower carriage that highly is lower than conveyer belt, near the column place of portal frame roller mechanism is installed at lower carriage, described waste disposal mechanism comprises dust car and its driving mechanism and track; Described dust removal machine mainly comprises the motor that is installed in the frame, by reduction of speed transmission mechanism one group of clearer linking to each other of machinery and many groups milling roller of before and after clearer, vertically arranging with it successively, and the inlet scoop is installed in the air intake device behind the clearer.
Compared with prior art, the present invention is owing to selecting before and after punch press or newly having designed each supporting operation and relevant device or mechanism and made its mechanization, serialization and automation, therefore can constitute the punch press automatic assembly line under the Modern Significance, realize the large-scale production of mechanization serialization; Again owing to adopt sensor, machinery (people) hand, modern technologies such as pneumatic mechanism and computer, and with PLC as punch press automatic assembly line control core, can realize the real time monitoring and the control of accurate location and production line operating mode, adopt the reciprocating machine hand to carry out the ON-LINE SEPARATION of punching and raw material leftover bits and piecess (waste material) simultaneously, therefore can realize from being rolled onto the whole-course automation of the whole punch press processing process of japanning, it is artificial to have reduced operation in a large number, on-line operation working strength of workers and production environment have also been improved simultaneously, improved product quality, reduced production cost and improved production efficiency.
Description of drawings
Fig. 1 is a punch press automatic assembly line general structure schematic block diagram of the present invention;
Fig. 2 is hardware device and the technical process overall schematic of punch press automatic assembly line embodiment of the present invention;
Fig. 3 is the skip car 1 of punch press automatic assembly line embodiment of the present invention and the structural representation of track 19;
Fig. 4 is the side schematic view of uncoiler 2 structures of punch press automatic assembly line embodiment of the present invention;
Fig. 5 is the front schematic view of uncoiler 2 structures of punch press automatic assembly line embodiment of the present invention;
Fig. 6 is the structural representation of the loose winding mechanism 3 of punch press automatic assembly line embodiment of the present invention;
Fig. 7 is the structural representation of the storing mechanism 4 of punch press automatic assembly line embodiment of the present invention;
Fig. 8 is the structural representation of the feed mechanism 5 of punch press automatic assembly line embodiment of the present invention;
Fig. 9 is the side structure schematic diagram of the material receiving mechanism 8 (comprising manipulator 70, waste disposal mechanism 80) of punch press automatic assembly line embodiment of the present invention;
Figure 10 is the Facad structure schematic diagram of manipulator 70 in the material receiving mechanism 8 of punch press automatic assembly line embodiment of the present invention;
Figure 11 is the drive mechanism schematic diagram of the dust removal machine 9 of punch press automatic assembly line embodiment of the present invention;
Figure 12 is the control system operation principle block diagram of punch press automatic assembly line embodiment of the present invention;
Figure 13 is the working procedure block diagram in the punch press automatic assembly line embodiment control system of the present invention;
Figure 14 is the block diagram that continues of the described working procedure block diagram of Figure 13 of the present invention.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof:
A kind of punch press automatic assembly line of the present invention's design is (hereinafter to be referred as production line, referring to Fig. 1,2), comprise the uncoiler 2, loose winding mechanism 3, storing mechanism 4, feed mechanism 5, punch press 6, material receiving mechanism 7, thorn removing machine 8, dust removal machine 9, conveyer belt 10 and the coating machine 11 that connect successively.Here said connection is meant the connection of technical process, and the connection of on-mechanical, for example, between uncoiler 2 and loose winding mechanism 3, between loose winding mechanism 3 and storing mechanism 4, all has only processed material, the former output promptly is the latter's feeding, and technical process is smooth and easy continuously; Certainly, described connection also comprises the connection of using conveyer belt or transfer station, for example, between feed mechanism 5 and punch press 6, adopted transfer station 51, between dust removal machine 9 and coating machine 11, conveyer belt 10, the particularly latter have been adopted, each independence of processed semi-products workpiece, no longer continuous, therefore must the corresponding connecting gear of design.Though punch press automatic assembly line embodiment of the present invention has adopted simple transfer station or conveyer mechanism, the connected mode between board of the present invention or the mechanism is not subjected to the restriction of embodiment.Also it should be noted that between each board or mechanism of production line of the present invention,, keep face height unanimity or basically identical by the standoff place of all needs of technological requirement.Flexibly, the support between each board of the embodiment of the invention or the mechanism has adopted independent design, but does not get rid of the global design that closes on support between the board for convenience.
The task of the described uncoiler 2 of production line of the present invention provides rationally the clamping of material volume 100 (referring to Fig. 4, Fig. 5).It mainly comprises motor 22, deceleration device 23 and the power transmission shaft 25 of mechanical connection successively, mechanical connection power transmission shaft 25, symmetry are installed in sprocket wheel 26, clamp shaft 24, screw pair 27 and the chuck 28 of support 21 both sides successively, and clamp shaft 24, screw pair 27 and chuck 28 symmetries are installed in the top of support 21.Be not difficult to find out that the power of power transmission shaft 25 passes to continuous sprocket wheel 26, the clamp shaft 24 of machinery with it more successively from motor 22 and behind deceleration device 23 reductions of speed, and rotation is become the translation that has clamping or decontrol material volume 100 through leading screw pair of nut 27.
Coiled strip (or weighing volume) 100 can be in the middle of two root posts that crane lifting is installed to support 21 symmetries of uncoiler 2, after suitable height is static, two chucks 28 of control system immediate instruction uncoiler 2 move to the center, until the reliable and stable material volume 100 that supports.Though material webs 100 can be through crane lifting to uncoiler 2, but this needs production line to be equipped with crane or overhead traveling crane, be unfavorable for not having the enterprise of crane or overhead traveling crane to use, though also be not easy to crane or overhead traveling crane, inharmonic enterprise uses with the fixedly material loading position of uncoiler 2.Therefore, further feature of the present invention is to have designed skip car 1 and track 19, is configured in the front of uncoiler 2.Described skip car 1 (referring to Fig. 3) mainly comprises motor 111, wheel 12, lifting lead 15, deceleration device 14, striker plate 16 and support 13, described motor 111 is installed on the bottom plate 133 of the support 13 of being with wheel 12, and mechanical connection has deceleration device 14 and screw pair 17 successively, the top plate 131 of support 13 or installed to la m 132 pushing tows that the lifting lead 15 that is in transmission connection by screw pair 17 vertically is installed on support 13 bottom plates 133 and passes support 13, is fixed with centrosymmetric striker plate 16 on the top plate 131 of support 13.The width of skip car 1 and track 19 and uncoiler 2 material loadings require the coupling design, therefore can successfully send material webs 100 among two chucks 28 of uncoiler 2.Under the control of electric control cabinet 12, lifting lead 15 can be done vertical displacement movement under the driving of deceleration power, so that material volume 100 adapts to the height of described chuck 28.The mobile power of skip car 1 on track 19 is also from described motor 111 and through deceleration device 14 and transmission device transmission.Skip car 1 is when last coiled strip, and the free degree is much bigger, can adopt crane or overhead traveling crane material loading, and is not subjected to the restriction of its position substantially, also can adopt equipment material loadings such as fork truck, and for the coiled strip of little weight, also can adopt the manual method material loading.In addition, on the top plate 131 of the skip car 1 that coiled strip is opened wide around being placed on than easily many between two chucks 28 that are placed on uncoiler 2.The design of striker plate 16 helps the stable placement of coiled strip 100 on the top plate 131 of support 13.Be understood that described skip car 1 is also easily by electric control cabinet 12 and the unified control of corresponding program.
The main task of described loose winding mechanism 3 (referring to Fig. 6) is that material volume 100 is converted to plane configuration and feeding forward from wrapped configuration.It mainly comprises motor 32, deceleration device 33 and the roller mechanism 34 of mechanical connection successively, and all is installed on the trestle table 31, on trestle table 31, also be equipped with link to each other with roller mechanism 34 machinery lift axis mechanism 35, baffle plate 36 and drive balls 37.Motor 32 provides power by deceleration device 33 to roller mechanism 34, makes it can be from loose metal on the uncoiler 2, and by the feedings forward of many group drive balls 37.In the feeding process, the described last beaming roller that axis mechanism 35 can instantaneously lift roller mechanism 34, the lateral shift error or the deflected position of carrying coiled strip with correction of lifting.Described baffle plate 36 is installed in the output of trestle table 31, lifts the correction of 35 pairs of output coiled strips of axis mechanism with cooperation.The described axis mechanism 35 of lifting is known pneumatic mechanism.Described drive balls 37 is many groups, and is installed in the front upper part of trestle table 31 and positive anterior successively, and its upper surface can constitute the level and smooth camber line of reclinate interruption, can successfully send in the storing mechanism 4 according to this camber line coiled strip 100.
The task of described storing mechanism 4 (referring to Fig. 7) is the contradiction of coordinating or solving between the discontinuous operation form of the continuous operation form of its front coil opening machine 3 and its back punch press 6.Two root posts 42 that it mainly comprises material pit 43, hole, front and back wall symmetry installs in material pit 43, and symmetrical respectively two pairs of photoelectric sensors 41 that are installed in certain altitude on every root post 42.Be meant the front and back position of coiled strip in the production line course of conveying before and after so-called.So-called certain altitude is meant that photoelectric sensor 41 is a pair of and is installed in certain altitude at the bottom of the hole of material pit 43, and another is to being installed in top, the hole certain altitude apart from material pit 43, and will keep certain height poor between two pairs of photoelectric sensors 41.The transporting velocity of coiled strip 100, operating frequency and their both cooperation of punch press 6 are depended in the design of this certain altitude.Design principle is: when the delivered length of coiled strip 100 (minimum points that coiled strip 100 is carried camber lines) be lower than under a pair of photoelectric sensor 41 time, the coil opening machine 3 of front should stop feeding immediately; And when the delivered length of coiled strip 100 is higher than at last a pair of photoelectric sensor 41, the feeding that should will begin in a minute of 3 of the coil opening machines of front.In other words, the delivered length of coiled strips 100 (vertical heights that coiled strip 100 is carried camber lines) should remain between the installation high and low position of two pairs of photoelectric sensors 41 up and down substantially in the material pit 43.The signal of photoelectric sensor 41 passes to the control system in the described electric control cabinet 12, and it sends intermittence or the stepping work that command adapted thereto is controlled coil opening machine 3, in case the carry phenomenon is arranged, control system provides timely warning.
The task of described feed mechanism 5 is off and on to its conveying process raw material (material volume 100) according to the operating frequency of punch press 6.It mainly comprises the delivery platform 51 that is made of support 541 and the many groups transfer roller 56 on it, the roller mechanisms 55 that be installed in motor on the support 542 and transmission mechanism 52, link to each other with transmission mechanism 52 machineries with roller mechanism 55 mechanical link to each other lift axis mechanism 53.Feed mechanism 5 will be sent into coiled strip 100 station of punch press 6 steadily, in time, exactly.Design delivery platform 51 is convenient in the past, and road storing mechanism 4 takes over coiled strip and steadily carries.The delivery platform 51 of certain-length can provide buffering.The feeding step pitch can directly be set by the touch-screen on the switch board 12.The structure of lifting axis mechanism 53 that described roller mechanism 55 links to each other with machinery with it with act on structure and the effect that is same as in the loose winding noted earlier mechanism 3 them, do not give unnecessary details.
After feed mechanism 5 was sent coiled strip 100 steppings into the station of punch press 6, punch press 6 promptly began punching press.The instruction of press work is from described control system.Also should be noted that, what say here is that feed mechanism 5 is sent coiled strip 100 into punch press 6, to carry out punch process, but the present invention does not get rid of from feed mechanism 5 plate is directly sent into the punch press automatic assembly line using method that punch press 6 is processed, at this moment, plate directly feeds punch press 6 from feed mechanism 5, and does not need through operations such as foregoing uncoiler 2, loose winding mechanism 3 and storing mechanisms 4.In other words, Design of Production Line of the present invention can be applicable to the feeding of coiled strip and plate dual mode simultaneously, and it is wide to have the scope of application, adaptable advantage.The feeding of plate can be adopted manual method, also can directly adopt or the known machinery feeding of simple refit a little.Certainly, remove described uncoiler 2, loose winding mechanism 3 and storing mechanism 4 etc., with the present invention design change into be applicable to the plate feeding special-purpose punch press automatic assembly line then also without any need for creative work.It also ought to be subjected to legal protection.
After punching press was finished, stock roll was divided into one by one independently semi-products workpiece 101 and a continuous waste material band 102 (referring to Fig. 9).The task of described material receiving mechanism 7 promptly will be finished the continuously automatic mask work of semi-products workpiece 101 and waste material band 102.Material receiving mechanism 7 mainly comprises manipulator 70 (referring to Figure 10), roller mechanism 79, shut-off mechanism 76 and waste disposal mechanism 80 (referring to Fig. 9), described manipulator 70 is installed in the top center of portal frame 701, it comprise stepper motor 74, successively with it the deceleration device 75 that links to each other of machinery, sprocket wheel 78, sprocket pin reciprocator 71, rolling linear guide 72 and link to each other with both machineries of back by after the vacuum cup 73 of both controlled motions.The power of manipulator 70 is from stepper motor 74 and the deceleration device 75 that links to each other of machinery with it, sprocket wheel 78 obtains operation power for the sprocket pin reciprocator 71 of manipulator 70 and rolling linear guide 72 from deceleration device 75, and after cooperating vacuum cup 73 that punching press is separated one by one independently semi-products workpiece 101 in turn grasp and be transplanted on the exit conveyor 77 of material receiving mechanism 7 from the punch press exit conveyor, remaining waste material band 102 moves downwards under the traction of roller mechanism 79.Because roller mechanism 79 is installed in the column place of the lower carriage 702 close portal frames 701 that highly are lower than conveyer belt 77.After roller mechanism 79, waste material band 102 enters shut-off mechanism 79, after being cut off by certain specification, is sent in the dust car of waste disposal mechanism 80 through slideway or slide plate.
Described shut-off mechanism 79 is installed in the centre of the lower carriage 702 that highly is lower than conveyer belt 77, and it adopts conventional pneumatic mechanism to finish the cut-out task.Described sprocket pin reciprocator 71 and rolling linear guide 72 also are prior art.
Described waste disposal mechanism 80 comprises the track of dust car and its driving mechanism and horizontal lay.The dust car of filling waste material can laterally shift out the passage (referring to Fig. 2 and 9) of production-line technique operation automatically along track under the instruction of control system.When full dust car laterally shifts out, slip into cover in the production-line technique operation passage immediately by the empty dust car that it involved, with this reciprocal operation.The full empty alternating movement of dust car is finished under the instruction of control system by the reciprocator of routine.
Semi-products workpiece 101 on material receiving mechanism 7 exit conveyors 77 is transmitted to thorn removing machine 8.The thorn removing machine 8 of production line is an existing equipment, and main task is to remove the burr that is punched down on the semi-products workpiece 101.
The task of described dust removal machine 9 (referring to Figure 11) is to clean thorn removing machine 8 get off adhesion or the burr that is scattered and other impurity on the semi-products workpiece 101.It mainly comprises the motor 91 that is installed in the frame 99, by reduction of speed transmission mechanism 93 one group of clearer 94 linking to each other of machinery and many groups milling roller 92 of vertically arranging in clearer 94 front and back with it successively, and the inlet scoop is installed in the air intake device 95 behind the clearer 94.Mainly expressed the drive connection of dust removal machine 9 among Fig. 9 of embodiment.Embodiment has designed one group of clearer 94, but the present invention is not limited by it.How much what clearer 94 was provided with the group number depends on the desired clean-up performance of punching.Described milling roller 92 is the metallic roll that rubber roll or elastomeric material coat, to increase the frictional force of its stable delivery or output stamped workpieces.Described clearer 94 is the clearer 94 that the softer material of quality coats, as copper brush roller, palm brush roller etc.Its high speed rotary can clean burr on the semi-products workpiece 101 and impurity, and walks by air intake device 95 cleanings that the inlet scoop is installed in behind the clearer 94.Described air intake device 95 is installed in the frame 99.Clean clean semi-products workpiece 101 and serve conveyer belt 10, flow to last procedure coating machine 11 by milling roller 9.
Described coating machine 11 also is an existing equipment.Its task is to 101 japannings of semi-products workpiece and oven dry, finally makes product.Finished product can be by the automatic chip of stacking machine (do not draw among the figure, meaning also to have artificial chip).
The described whole 2-11 of mechanism of production line of the present invention (being uncoiler 2, loose winding mechanism 3, storing mechanism 4, feed mechanism 5, punch press 6, material receiving mechanism 7, thorn removing machine 8, dust removal machine 9, conveyer belt 10 and coating machine 11) control by electric control cabinet 12 and corresponding program.Control system in the production line electric control cabinet 12 of the present invention adopts PLC (Programmable Logic Controller) as core control part, and supporting respective electronics and the element (comprising power module, touch-screen, button, detecting sensor, motor driver, relay-touch controls circuit and indicator lamp etc.) of having designed.These components and parts and electronic circuit are known technology, have constituted control system of the present invention (hereinafter to be referred as control system).For example, the Control System Design of 400 tons of punch press embodiment of the present invention is (referring to Figure 12): the power module of FPI-C40 type PLC control module, GT1000 touch-screen, PLC special use, ZB2 type button, E2E-X511 type detecting sensor, 21812 type stepper motor drivers (control motor of the present invention adopts stepper motor substantially), LC1D/LR2 relay-touch controls circuit and XB2 type working station indicator etc.Designed touch-screen at this embodiment, friendly interface is realized human-computer dialogue with convenient, and is convenient to monitor the duty of production line.But this is also nonessential, it can be replaced into common screen or instrument and meter.
The control system of production line of the present invention also comprises corresponding software.The operation principle of its program is (referring to Figure 13,14):
After powering on, system carries out initialization.Check at first whether air pressure is normal.If undesired shutdown is waited for.After air pressure is normal, the systems inspection position of manipulator, and make manipulator move to initial bit, the operator selects the production line duty.Duty comprises two kinds: production line is manual and production line is automatic.
Under the production line manual state, can carry out manual operation and manual correction that loose winding, feeding, punching out, manipulator pick up.This design can make production line of the present invention have usability and wideer applicability better, satisfies demand of practical production.
Under the production line auto state, control system can be pointed out successively and open coating machine 11, dust removal machine 9, thorn removing machine 8, middle bed 6 etc., and checks storing mechanism 4 states.If the raw material in the storing mechanism 4 is undesirable, then start 3 feedings of loose winding mechanism to storing mechanism 4 full material.When production line was worked, control system was in wait state, owed to expect to start once more after signal sends loose winding mechanism 3 loose windings until storing mechanism 4, beginning circulation next time.Control system detects punch press 6 slide positions in real time, if punch press 6 slide blocks are in low level and lift state, feed mechanism 5 is pressed the setting data feeding, feeding put in place laggard capable waste disposal and correction; If punch press 6 slide blocks are in high-order falling state, control system checks then whether feeding puts in place, if not in place, the punch press 6 that stops is waited for, restarts punch press 6 after putting in place again; Then instruct punch press to begin press work if put in place.Simultaneously, whether control system checks manipulator 70 in initial bit, if do not wait at the initial bit punch press 6 that stops, restarts after putting in place again; If feeding stops, and detected punching (being semi-products workpiece 101), then instructed and control manipulator 70 and pick up punching, and after moving to film releasing position (being described exit conveyor 77) film releasing, returned initial bit and wait for next time the instruction of picking up.
After manipulator 70 separates punching and waste material, thorn removing machine 8, dust removal machine 9, conveyer belt 10 and coating machine 11 in addition that production line connects successively.They all are quantity-produced equipment, and production efficiency all is higher than main frame punch press 6, so the control system speed of service that makes them coordinates mutually with the operating rate of punch press 6 and mate, and are not the part difficult matters.
During the program operation, control system can be monitored the operating mode of each mechanism of production line in real time.Production line is if operation logic mistake or production abnormal conditions, and control system then can be carried out stoppage protection immediately, and sends corresponding caution.
Under the control of control system of the present invention, raw material from material loading, uncoiling, unreel, series of processes such as storing, punching, the separation of finished product waste material, waste disposal, dedusting, the product of painting, can realize the whole-course automation control of production line, without any the interference of artificial factor, can finish continuously, automatically, the production of safety and cleaning.
Be embodiment with 400 tons of punch press automatic assembly lines below, specifically introduce the present invention:
At present bigger generating set stator core is that thin silicon steel plates punching out closed assembly by thickness 0.5-0.7mm forms, and the armature winding groove of circle needs through punching press in the mutually insulated between each sheet, stator.Stator blank material is a coiled material, becomes the monolithic of certain size specification, closed assembly then through 400 tons of punch rams.It requires coiled material indeformable in processing process in blocks, does not curl no burr, any surface finish.Under aforementioned manual process conditions, the quality and quantity of this generating set stator core stamping sheet all is difficult to guarantee.
400 tons of punch presses of the described embodiment of punch press automatic assembly line of the present invention 6 are the punch press of model J36-400B; Described 8 is the thorn removing machine of model 2M53100; Described coating machine 11 is the coating machine of model FA4500, and all the other are the corollary equipment or the mechanism of described the present invention's design.Its Specifeca tion speeification is:
1. coiled material specification: maximum weight 5t; Diameter: 700-1200mm, width 500-1200mm, aperture: φ 500+5mm; Material thickness 0.5mm;
2. punching stock layout scrap (bridge) δ 〉=10mm;
3. feed mechanism: step feeding can be set arbitrarily in this scope apart from 100-600mm ± 1mm;
4. 1-16 time/min of punching frequency, the control system of production line can adapt to the operating frequency of punch press automatically simultaneously.
Production line trial production of the present invention shows: continuous operation every day 16 hours, during 16/min of punching frequency, equipment operation is normal fully.The production of PR unit can improve tens times, and percent defective reduces simultaneously, and the quality problems that punching steady quality, particularly human factor or operator's error cause significantly reduce, and product percent of pass can reach more than 99%, and cost significantly reduces; Since this production line automation degree height, production operation continuously automatically, and therefore online detection can reduce labour 3/4, has also improved working environment of operating personnel preferably simultaneously, and has reduced online production personnel's labour intensity; In addition, owing to send sheet, contact pin etc. all can by motor and manipulator is online to finish, operation control is also finished by touch-screen, has realized remotely-controlled operation, and is therefore easy to operate, safe and reliable, saved the occupation of land and the space of a large amount of auxiliary equipment.

Claims (3)

1. punch press automatic assembly line, comprise the uncoiler (2) that connects successively, loose winding mechanism (3), storing mechanism (4), feed mechanism (5), punch press (6), material receiving mechanism (7), thorn removing machine (8), dust removal machine (9), conveyer belt (10) and coating machine (11), described uncoiler (2) mainly comprises the motor of mechanical connection (22) successively, deceleration device (23) and power transmission shaft (25), mechanical connection power transmission shaft (25) successively, symmetry is installed in the sprocket wheel (26) of support (21) both sides, clamp shaft (24), screw pair (27) and chuck (28), clamp shaft (24), screw pair (27) and chuck (28) symmetry are installed in the top of support (21); It is characterized in that described uncoiler (2), loose winding mechanism (3), storing mechanism (4), feed mechanism (5), punch press (6), material receiving mechanism (7), thorn removing machine (8), dust removal machine (9), conveyer belt (10) and coating machine (11) control by electric control cabinet (12) and corresponding program; Described loose winding mechanism (3) mainly comprises the motor of mechanical connection (32), deceleration device (33) and roller mechanism (34) successively, and all be installed on the trestle table (31), on trestle table (31), also be equipped with link to each other with roller mechanism (34) machinery lift axis mechanism (35), baffle plate (36) and drive balls (37); Described storing mechanism (4) mainly comprises material pit (43), hole, front and back wall symmetry is fixed with two root posts (42) in material pit (43), and symmetry is installed in two pairs of photoelectric sensors (41) that every root post (42) is gone up certain altitude respectively; Described feed mechanism (5) mainly comprises the delivery platform (51) that is made of support (541) and the many groups transfer roller (56) on it, the roller mechanism (55) that be installed in motor on the support (542) and transmission mechanism (52), links to each other with transmission mechanism (52) machinery with roller mechanism (55) mechanical link to each other lift axis mechanism (53); Described material receiving mechanism (7) mainly comprises manipulator (70), roller mechanism (79), shut-off mechanism (76) and waste disposal mechanism (80), described manipulator (70) is installed in the top center of portal frame (701), it comprises stepper motor (74), the mechanical with it successively deceleration device (75) that links to each other, sprocket wheel (78), sprocket pin reciprocator (71), rolling linear guide (72) and with both mechanical connections of back and by the vacuum cup (73) of its controlled motion, described shut-off mechanism (76) is installed in the centre of the lower carriage (702) that highly is lower than conveyer belt (77), column place at the close portal frame (701) of lower carriage (702) is equipped with roller mechanism (79), and described waste disposal mechanism (80) comprises dust car and its driving mechanism and track; Described dust removal machine (9) mainly comprises the motor (91) that is installed in the frame (99), by reduction of speed transmission mechanism (93) one group of clearer (94) of linking to each other of machinery and many groups milling roller (92) of before and after clearer (94), vertically arranging with it successively, and the inlet scoop is installed in the air intake device (95) behind the clearer (94).
2. punch press automatic assembly line according to claim 1, it is characterized in that described uncoiler (2) before also design skip car (1) and track (19) arranged; Described skip car (1) mainly comprises motor (111), wheel (12), lifting lead (15), deceleration device (14), striker plate (16) and support (13), described motor (111) is installed on the bottom plate (133) of the support (13) of being with wheel (12), and mechanical connection has deceleration device (14) and screw pair (17) successively, the top plate (131) of support (13) or installed to la m (132) pushing tow that the lifting lead (15) that is in transmission connection by screw pair (17) vertically is installed on support (13) bottom plate (133) and passes support (13), is fixed with centrosymmetric striker plate (16) on the top plate (131) of support (13); Described skip car (1) is also controlled by electric control cabinet (12) and corresponding program.
3. punch press automatic assembly line according to claim 1 and 2 is characterized in that being the punch press of model J36-400B at described punch press (6); Described thorn removing machine (8) is the thorn removing machine of model 2M53100; Described coating machine (11) is the coating machine of model FA4500.
CN 03144253 2003-09-09 2003-09-09 Automatic production line for punch CN1235699C (en)

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