CN102641966B - Ejecting mechanism for stamping mould and ejecting method thereof - Google Patents

Ejecting mechanism for stamping mould and ejecting method thereof Download PDF

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Publication number
CN102641966B
CN102641966B CN201210107618.9A CN201210107618A CN102641966B CN 102641966 B CN102641966 B CN 102641966B CN 201210107618 A CN201210107618 A CN 201210107618A CN 102641966 B CN102641966 B CN 102641966B
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China
Prior art keywords
connecting link
cylinder
crank connecting
link
crank
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CN201210107618.9A
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CN102641966A (en
Inventor
范涛
付再兴
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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Abstract

The invention discloses an ejecting mechanism for a stamping mould and an ejecting method thereof. The ejecting mechanism comprises a cylinder and an ejecting executing mechanism, wherein the cylinder is vertically arranged and is connected with an electric system of the stamping mould; a position controller for controlling cylinder stroke is arranged on the cylinder; the ejecting executing mechanism comprises a strip plate and a slider-crank mechanism; the strip plate is horizontally fixed on a piston rod of the cylinder; the slider-crank mechanism is arranged on the strip plate; and the ejecting operation is finished by the ejecting mechanism during the ascending process of an upper mould after a material sheet is blanked by the upper mould of the stamping mould. According to the technical scheme, compared with the prior art, the ejecting mechanism has the advantages that the slider-crank mechanism is driven by the cylinder, the material sheet is jacked by the slider-crank mechanism and the automatic backfall of the material sheet is realized, so that the purpose of automatically taking materials is achieved; the whole process is automatically finished; the work load for taking the materials is reduced; the whole process is finished during the ascending process of the upper mould; and the production period is shortened.

Description

A kind of material jacking mechanism of diel and liftout method thereof
Technical field
The present invention relates to cold stamping forming die, specifically, the present invention relates to a kind of material jacking mechanism and liftout method thereof of diel.
Background technology
At present, in diel, carry out in the process of cold stamping stamping and blanking, because general blanking is periphery scrape free blanking, normally with the stripper action on counterdie, carry out the material returned, allow material limit lift tablet and depart from counterdie, then manual shake steel plate is collected tablet, and this kind of pure manual feeding mode wastes time and energy, the amount of labour is large, and productive temp is slow.In addition, if material limit is cut to the mode of production stamping-out of waste material, bring inconvenience to again feeding sheet.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of material jacking mechanism of diel, alleviates the work workload of feeding sheet, the object of raising productive temp to reach after stamping-out finishes.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of material jacking mechanism of diel, diel comprises upper die and lower die, described material jacking mechanism is located at the below of tablet, material jacking mechanism comprises the cylinder being connected with electrical system described diel vertical setting and liftout executing agency, on cylinder, be provided with the positioner that cylinder stroke is controlled, described liftout executing agency comprises the strip plate on the piston rod that is laterally fixed on cylinder and is located at the slider-crank mechanism on strip plate, slider-crank mechanism comprises crank connecting link I, crank connecting link II and slide link, one end of crank connecting link I and crank connecting link II is connected by hinge IV, the other end of crank connecting link I is hinged on strip plate, the other end of crank connecting link II and described counterdie are articulated and connected, one end of slide link is hinged on strip plate, on slide link, be provided with the chute extending along its length, hinge IV is located in this chute, crank connecting link I driving slide link starts rotation and carries out liftout in patrix uphill process, under original state, crank connecting link II and slide link are the level of state, between crank connecting link I and slide link, there is angle.
At the two ends of described strip plate, be equipped with described slider-crank mechanism, the piston rod of described cylinder is connected to the middle part of strip plate.
Described slide link is prong like, and described chute is to start to extend from the head of slide link, and described crank connecting link I and crank connecting link II are located at respectively the both sides of slide link.
Described positioner comprise the sensor that is located on described cylinder and be located on described strip plate with the supporting induction guide rod of sensor, on induction guide rod, be provided with sensor block.
The angle of described slide link under the end-state of liftout work and between horizontal direction is 30 °~35 °.
On described strip plate, be provided with vertical gripper shoe I, described slide link is hinged on this gripper shoe I.
On described strip plate, be provided with the gripper shoe II being close to described gripper shoe I, it is upper that described crank connecting link I is hinged on this gripper shoe II, and the height of the pin joint of described slide link and gripper shoe I will be higher than the height of the pin joint of described crank connecting link I and gripper shoe II.
Another technical problem to be solved by this invention is to provide the liftout method of above-described material jacking mechanism, its technical scheme is: the patrix of diel carries out after stamping-out tablet, material jacking mechanism completes liftout work in patrix uphill process, and the step of described liftout method is as follows:
After patrix starts to rise, electrical system control cylinder is started working, cylinder piston rod jacking liftout executing agency, crank connecting link I, slide link synchronously rise, crank connecting link I drives crank connecting link II to start upwards to rotate around the pin joint on counterdie, and under the acting in conjunction of crank connecting link I and crank connecting link II, hinge IV slides and drives the pin joint of slide link on strip plate to start upwards to rotate in the chute of slide link, by the inclined jack-up of tablet, tablet starts landing; When cylinder top is raised to after setting height, positioner obtains induced signal, and signal is transferred to electrical system, and electrical system control cylinder quits work, and time delay a period of time, treats the complete landing of tablet; After the complete landing of tablet, the backhaul of electrical system control cylinder, and then continue feeding and carry out next do action.
The present invention adopts technique scheme, compared with prior art, material jacking mechanism is by air cylinder driven slider-crank mechanism, by slider-crank mechanism jacking tablet, realize the automatic landing of tablet, reached the object of automatic material taking, whole process completes automatically, reduce the work workload of feeding, and whole process completes in patrix uphill process, improved productive temp.
Accompanying drawing explanation
Fig. 1 is the structural representation of material jacking mechanism of the present invention;
Fig. 2 is the structural representation of material jacking mechanism of the present invention when jacking state;
Fig. 3 is the structural representation of the toggle of material jacking mechanism of the present invention;
Fig. 4 is the structural representation at the cylinder place of material jacking mechanism of the present invention;
Fig. 5 is the schematic diagram of material jacking mechanism of the present invention under initialization state;
Fig. 6 is the schematic diagram of material jacking mechanism of the present invention under final duty;
Fig. 7 is the movement relation figure of material jacking mechanism of the present invention when original state;
Fig. 8 is the movement relation figure of material jacking mechanism of the present invention when end-state;
Fig. 9 is the structural representation of the liftout support of material jacking mechanism of the present invention;
Figure 10 is the structural representation of the hinge IV of material jacking mechanism of the present invention;
Figure 11 be material jacking mechanism of the present invention the structural representation of slide link;
Figure 12 is the structural representation of the induction guide rod of material jacking mechanism of the present invention;
Figure 13 is the principle schematic one of material jacking mechanism of the present invention;
Figure 14 is the principle schematic two of material jacking mechanism of the present invention;
Mark in above-mentioned figure is: 1, hinge I, 2, liftout support; 2-1, strip plate; 2-2, gripper shoe II; 2-3, gripper shoe I; 3, hinge II; 4, crank connecting link II; 5, hinge IV; 6, slide link; 7, crank connecting link I; 8, induction guide rod; 9, sensor; 10, sensor stand; 11, cylinder; 12, patrix cutter piece; 13, lower die cutter piece; 14, alignment pin; 15, tablet; 16, hinge III.
The specific embodiment
As depicted in figs. 1 and 2, the material jacking mechanism of a kind of diel of the present invention, diel comprises upper die and lower die and alignment pin 14, studs with patrix cutter piece 12 on patrix, studs with lower die cutter piece 13 on counterdie.This material jacking mechanism is the pure manual feeding mode existing for replacing prior art, alleviates the work workload of feeding sheet 15, the object of raising productive temp to reach after stamping-out finishes.This material jacking mechanism is located at the below of tablet 15, as shown in Figure 5 and Figure 6, and in the mould of all-round blanking, material jacking mechanism is fixed on lower mould body, and inside blanking line, rational position is arranged, principle is near alignment pin 14, more tightly better, mechanism's integral body is lower than the height of lower die cutter piece 13 edges of a knife.This material jacking mechanism comprises the cylinder 11 being connected with electrical system diel vertical setting and the liftout executing agency being driven by cylinder 11, cylinder 11 by bolted on lower mould body.As shown in Figure 3, liftout executing agency comprises the strip plate 2-1 on the piston rod that is laterally fixed on cylinder 11 and is located at the slider-crank mechanism on strip plate 2-1, slider-crank mechanism comprises crank connecting link I 7, crank connecting link II4 and slide link 6, one end of crank connecting link I7 and crank connecting link II4 is connected by hinge IV5, the other end of crank connecting link I7 is hinged on strip plate 2-1 by hinge II3, the other end of crank connecting link II4 is articulated and connected by valency hinge I1 and counterdie, one end of slide link 6 is hinged on strip plate 2-1 by hinge III16, on slide link 6, be provided with the chute extending along its length, hinge IV5 is located in this chute, can in this chute, slide.While needing liftout after patrix cutter piece 12 and lower die cutter piece 13 complete the stamping-out of tablet 15, in patrix die sinking process, cylinder 11 drives strip plate 2-1 to do ascending motion, crank connecting link I7, crank connecting link II4 and slide link 6 synchronously rise, and crank connecting link I 7 carries out liftout by sliding in the chute of the slide link 6 of hinge IV5 to drive slide link 6 to start to rotate.This material jacking mechanism compared with prior art, by cylinder 11 driving crank slide block mechanisms, by slider-crank mechanism jacking tablet 15, realize the automatic landing of tablet 15, reached the object of automatic material taking, whole process completes automatically, reduces the work workload of feeding, and whole process completes in patrix uphill process, improved productive temp.
Under original state, as shown in Figure 1 and Figure 5, crank connecting link II4 and slide link 6 are the level of state, and between crank connecting link I 7 and slide link 6, have angle.Under the end-state of liftout work, as shown in Figure 2 and Figure 6, crank connecting link I 7 and crank connecting link II4 are vertical state, and in jacking process, crank connecting link II4 becomes vertical state by level, and the bar length of crank connecting link II4 equals the stroke of cylinder 11.The angle α of slide link 6 under the end-state of liftout work and between horizontal direction is 30 °~35 °, gets α=31 ° for optimum state, and liftout effect is best, make tablet 15 smoothly landing to be unlikely to again slip velocity too fast.
As shown in Figure 13 and Figure 14, principle schematic for this material jacking mechanism, ab connecting rod in figure is equivalent to crank connecting link II4, bc connecting rod is equivalent to crank connecting link I7, hinge d is equivalent to hinge III16, in Figure 14 Wei liftout executing agency uphill process, hinge b is regarded as to kinematic sketch of mechanism when relatively static, bd connecting rod is equivalent to slide link 6, the compound motion of crank connecting link I7 and crank connecting link II4 makes hinge IV5 in the chute of slide link 6, slide driving slide link 6 around hinge III16 rotation, obtains desired liftout and pusher action.
As shown in Figure 1, at the two ends of strip plate 2-1, be equipped with slider-crank mechanism, the piston rod of cylinder 11 is connected to the middle part of strip plate 2-1.As shown in figure 11, slide link 6 is prong like, and chute is for to start to extend along its length from the head of slide link 6, and crank connecting link I 7 and crank connecting link II4 are located at respectively the both sides of slide link 6.In addition, can according to the width of tablet 15, change the length of slide link 6, miscellaneous part can not made and change, and can improve the versatility of this material jacking mechanism.
Together with strip plate 2-1, the two vertical gripper shoe I 2-3 that arrange, gripper shoe II2-2 that arrange and that be close to each gripper shoe I2-3, form liftout support 2 on strip plate 2-1 on strip plate 2-1, be illustrated in figure 9 the structure chart of liftout support 2, gripper shoe I 2-3 is located at respectively the both ends of strip plate 2-1, slide link 6 is hinged on gripper shoe I 2-3 by hinge III16, crank connecting link I 7 is hinged on gripper shoe II2-2 by hinge II3, the height of hinge II3 will, lower than the height of hinge III16, be the structure chart of hinge IV5 as shown in figure 10.
As shown in Figure 4, on cylinder 11, be provided with the positioner that cylinder 11 strokes are controlled, positioner comprise the sensor 9 being located on cylinder 11 and be located on strip plate 2-1 with the supporting induction guide rod 8 of sensor 9, as shown in figure 12, induction guide rod 8 is L-type structure, it is upper that its one end is fixed on strip plate 2-1, and the other end is provided with sensor block.Sensor 9 is fixed on cylinder 11 by sensor stand 10, approach certain distance with the induction guide rod 8 being fixed on liftout support 2, when cylinder 11 jack-up are arrived set stroke, sensor block proximity transducer 9 on induction guide rod 8 obtains induced signal and produces induced-current, then signal is transferred to the operation of electrical system control cylinder 11 actions.This winding machine the automation of blanking reclaiming process control, whole process automatically completes in press press work process, operating efficiency is significantly improved.
In addition, when meeting action, guarantee safety and the reasonability of mechanism, the original states such as hinge, slide block, connecting rod must be noted structural strength, operation convenience etc. below cutter piece is given surplus height simultaneously.Concrete bar length and actual position depend on the circumstances, and can by drawing, determine according to mechanism kinematic situation.
As described below is the liftout method of this material jacking mechanism:
Table 1 is depicted as the motion flow of the diel before improvement, feeding is after patrix die sinking finishes, just to start feeding, blowing, productive temp is slow, table 2 is depicted as the motion flow of the diel that adopts this material jacking mechanism, feeding is in patrix die sinking process, synchronously to carry out feeding, blowing, and productive temp is significantly improved.
Table 1
General action
Table 2
Action after improving
The patrix of diel carries out after stamping-out tablet 15, and material jacking mechanism completes liftout work in patrix uphill process, and the step of the liftout method of this material jacking mechanism is as follows:
After patrix starts to rise, electrical system control cylinder 11 is started working, cylinder 11 piston rod jacking liftout executing agencies, crank connecting link I7, slide link 6 synchronously rise, crank connecting link I7 drives crank connecting link II4 to rotate around the pin joint on counterdie, and under the acting in conjunction of crank connecting link I 7 and crank connecting link II4, hinge IV5 slides and drives slide link 6 pin joint on strip plate 2-1 to rotate in the chute of slide link 6, by the inclined jack-up of tablet 15, tablet 15 starts landing; When cylinder 11 jackings are after setting height, positioner obtains induced signal, and signal is transferred to electrical system, and electrical system control cylinder 11 quits work, and time delay a period of time, treats the complete landing of tablet 15; After the complete landing of tablet 15,11 backhauls of electrical system control cylinder, and then continue feeding and carry out next do action.
Be illustrated in figure 7 material jacking mechanism motion graph of a relation when original state, position A is original position, Figure 8 shows that the movement relation figure of material jacking mechanism when end-state, and position B is final position, and the distance a between A, B is cylinder 11 strokes.When the B of in-position, now sensor 9 obtains signal, but tablet 15 may also not slip down completely, electrical system control cylinder 11 quits work, and time delay a period of time, just need in electrical system, add a time-delay relay control time, and rationally debugging allows cylinder 11 eject and push up back whole process time short (save feeding blowing two actuation times) as far as possible, minimizing beat is to enhance productivity.
This material jacking mechanism is mainly used in the diel of automobile body part, can also be used for doing the general material jacking mechanism of other moulds, to promote the progress of stamping parts mechanization production.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.

Claims (1)

1. the liftout method of the material jacking mechanism of a diel, diel comprises upper die and lower die, material jacking mechanism is located at the below of tablet, material jacking mechanism comprises the cylinder being connected with electrical system described diel vertical setting and liftout executing agency, on cylinder, be provided with the positioner that cylinder stroke is controlled, described liftout executing agency comprises the strip plate on the piston rod that is laterally fixed on cylinder and is located at the slider-crank mechanism on strip plate, slider-crank mechanism comprises crank connecting link I, crank connecting link II and slide block connecting rod, one end of crank connecting link I and crank connecting link II is connected by hinge IV, the other end of crank connecting link I is hinged on strip plate, the other end of crank connecting link II and described counterdie are articulated and connected, one end of slide block connecting rod is hinged on strip plate, on slide block connecting rod, be provided with the chute extending along its length, hinge IV is located in this chute, crank connecting link I driving slide block connecting rod starts rotation and carries out liftout in patrix uphill process, under original state, crank connecting link II and slide block connecting rod are the level of state, between crank connecting link I and slide block connecting rod, there is angle,
It is characterized in that: the patrix of diel carries out after stamping-out tablet, material jacking mechanism completes liftout work in patrix uphill process, and the step of described liftout method is as follows:
After patrix starts to rise, electrical system control cylinder is started working, cylinder piston rod jacking liftout executing agency, crank connecting link I, slide link synchronously rise, crank connecting link I drives crank connecting link II to start upwards to rotate around the pin joint on counterdie, and under the acting in conjunction of crank connecting link I and crank connecting link II, hinge IV is slided and driven the pin joint of slide link on strip plate to start upwards to rotate in the chute of slide link, by the inclined jack-up of tablet, tablet starts landing; When cylinder top is raised to after setting height, positioner obtains induced signal, and signal is transferred to electrical system, and electrical system control cylinder quits work, and time delay a period of time, treats the complete landing of tablet; After the complete landing of tablet, the backhaul of electrical system control cylinder, and then continue feeding and carry out next do action.
CN201210107618.9A 2012-04-13 2012-04-13 Ejecting mechanism for stamping mould and ejecting method thereof Active CN102641966B (en)

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CN103586361B (en) * 2013-11-07 2018-01-09 东莞市联洲知识产权运营管理有限公司 The discharge mechanism of oval press-fit machine
CN106585051B (en) * 2016-10-19 2018-11-09 东莞理工学院 A kind of squeeze-film mechanism of square products
CN106583530B (en) * 2016-12-09 2019-02-05 重庆友擘机械制造有限公司 Steel pipe automatic punching machine
CN107654218B (en) * 2017-11-16 2019-10-25 连云港市沃鑫高新材料有限公司 A kind of casing pressure control mechanism

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JP4086884B1 (en) * 2006-12-08 2008-05-14 株式会社三雲製作所 Auto shooter for press products
CN201493408U (en) * 2009-07-29 2010-06-02 无锡市雄伟精工机械厂 Automatic material ejection device for punching upper die and lower die of rivet
CN102350465A (en) * 2011-07-22 2012-02-15 江铃汽车股份有限公司 Die waste sliding device

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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
SU1119761A1 (en) * 1983-01-03 1984-10-23 Научно-Производственное Объединение "Алтайский Научно-Исследовательский Институт Технологии Машиностроения" Press for stamping provided with device for removing parts from working zone
CN200951632Y (en) * 2006-09-13 2007-09-26 诸暨市雷润五金机械厂 Sliding-block mechanism of punching pressing machine
JP4086884B1 (en) * 2006-12-08 2008-05-14 株式会社三雲製作所 Auto shooter for press products
CN201493408U (en) * 2009-07-29 2010-06-02 无锡市雄伟精工机械厂 Automatic material ejection device for punching upper die and lower die of rivet
CN102350465A (en) * 2011-07-22 2012-02-15 江铃汽车股份有限公司 Die waste sliding device

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