CN108127052A - A kind of double acting compound die cup press of high production and its cup stamping technique - Google Patents

A kind of double acting compound die cup press of high production and its cup stamping technique Download PDF

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Publication number
CN108127052A
CN108127052A CN201810025328.7A CN201810025328A CN108127052A CN 108127052 A CN108127052 A CN 108127052A CN 201810025328 A CN201810025328 A CN 201810025328A CN 108127052 A CN108127052 A CN 108127052A
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CN
China
Prior art keywords
template
piston
cup
cam
die
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Pending
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CN201810025328.7A
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Chinese (zh)
Inventor
钟定中
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FOSHAN DING ZHONG MACHINERY Co Ltd
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FOSHAN DING ZHONG MACHINERY Co Ltd
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Priority to CN201810025328.7A priority Critical patent/CN108127052A/en
Publication of CN108127052A publication Critical patent/CN108127052A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00Making hollow objects
    • B21D51/16Making hollow objects characterised by the use of the objects
    • B21D51/26Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/22Deep-drawing with devices for holding the edge of the blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/28Deep-drawing of cylindrical articles using consecutive dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00

Abstract

The present invention provides a kind of double acting compound die cup press of high production, including rack, driving mechanism and double acting composite die component, it is characterised in that:Lower template is provided in the rack, middle template and cope plate, the double acting composite die component includes being sequentially arranged at lower template, lower die in middle template and cope plate, upper mold and jumper bar, the lower template and cope plate can move up and down under the driving effect of driving mechanism, the driving mechanism is provided with cam and main shaft, by the movement relation for designing cam curve and eccentric main axis, cause bolster cooperative motion, realize stretched twice on a cup press thus can use bigger diameter and thinner raw metal, the present invention provides one kind simultaneously to realize sawing sheet on same cup press, it stretches twice efficient with blanking, reliably, integrated cup stamping technique.

Description

A kind of double acting compound die cup press of high production and its cup stamping technique
Technical field
The present invention relates to pop can production technical field, the double acting compound die cup press of especially a kind of high production and its cup stamping Technique.
Background technology
Pop can is widely used in the packaging of various beverages, and has the advantages that easy to use and good appearance.In people Living standard constantly promoted and while beverages products kind is increasingly abundanter, the demand of pop can is also constantly being increased It is long.Pop can is generally divided into two kinds of aluminum and irony, and basic structure is made of tank body and easy open cover, and wherein tank body mainly passes through The techniques such as cup stamping, stretching are crossed to be made.
The easy-to-draw tank farms of tradition will improve competitiveness and seek to improve ton aluminium tank quantity in fact, realize this purpose, Substantially just from the aspect of two:
One is exactly the quantity for increasing cup press mold, such as increases to 12 moulds from 10 moulds, increases by two mold numbers and causes cup stamping The width of aluminium can increase, and so as to which aluminum material utilization rate can also improve, the output cup quantity of ton aluminium can improve, often Increase by two molds, ton output can increase about 0.18%--0.3%, if certain pop can tank farms uses 0.27mm thickness aluminiums, 156mm Sawing sheet diameter, the pop can of 500 milliliters of the cup press production of 10 molds is about 63232/ton, such as uses 12 mould cup press, Ton output is about 63400/ton, and it is 0.265% to improve yield, it is seen that a ton output capacity can be improved by increasing number of molds, but be imitated Fruit is not it is obvious that simultaneously because the limitation of equipment, aluminium width can not possibly infinitely increase, and nowadays the width of aluminium reaches substantially Arrive the limit;
The second is using thinner metal material, the method is that a most important method and domestic each tank farms are wanted to carry The direction that this high enterprise competitiveness must make great efforts, if 0.005 mm is often thinned in aluminium, so that it may so that the ton output of tank about increases The quantity of 1.7%--2.5% as can be seen from the above data, meets under the premise of the basic demand of tank as can cup stamping aluminium is rolled up thickness The thinned ton production capacity that can make tank farms is promoted rapidly, so as to greatly enhance the competitiveness of tank farms enterprise.
However, tank industry processed both at home and abroad is used to process thin-wall metal tank at present(Such as pop can)Assembly line, can manufacturing technology Generally using one-off drawing is done on cup press, then the stretching that tries again on another equipment stretching-machine, then it is thinned The process of stretching.Since by metallic sheet stock, drawing coefficient is limited twice, sawing sheet size is not easy excessive, state at present Inside and outside state-of-the-art Zhi Guan enterprises use most thin aluminium as 0.265mm, and the materials cost of single pop can has been the limit.In mesh Preceding existing equipment, most of manufacturer to reduce the thickness targets of Metal Substrate plank, with this come reduce production metal can into This, because cup press only has one-off drawing molding at present, changes effect unobvious on the basis of this.And as pop can market is advised Increasing year by year for mould and being growing more intense for market competition, pop can manufacturer is using thinner aluminium and large-scale production side Face faces bigger challenge, so as to which there is an urgent need for developing, energy is efficient, stablize, the competitive pop can cup stamping of high production is domestic sets It is standby.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of double for manufacturing the high production of thin-walled iron flask or aluminium pot Dynamic compound die cup press, blanking and twice stretching process can be completed on cup press, so as to increase considerably sawing sheet size, is subtracted The thickness of few sheet metal reduces the production cost of metal can with this.
To achieve the above objectives, the present invention is realized through the following technical scheme:
A kind of double acting compound die cup press of high production, including rack, driving mechanism and double acting composite die component, the rack packet Include bottom plate and the side plate being arranged at left and right sides of bottom plate, be provided between the side plate of both sides can be up and down carriage And lower slider, the bottom of carriage are provided with cope plate, lower template, the cope plate and lower template are provided at the top of lower slider It is located at the upper and lower part of rack respectively, middle template is provided in the middle part of rack, middle template is located at cope plate and lower template under Between template;
The driving mechanism includes driving motor, main shaft, flywheel, cam, connecting rod, base bearing and roller bearing, and the main shaft leads to The base bearing for crossing both ends is mounted on the side plate of rack both sides, flywheel is equipped in the middle part of main shaft, the flywheel is connected by belt Driving motor is connect, the left and right ends of main shaft are separately installed with cam, and the cam is symmetrically and positioned at the inside of rack, cam Top be provided with roller bearing, the roller bearing is symmetrically mounted on the bottom of lower slider and is connect always with corresponding cam It touches, two outer end of left and right that the main shaft stretches out framework lateral plate is both provided with eccentric segment, and the eccentric segment of main shaft is connected by bearing to be connected The bottom end of bar, the top of connecting rod connect the both ends of carriage by bearing;
The double acting composite die component includes being sequentially arranged at lower template, middle template and lower die, upper mold and punching on cope plate Bar, the lower die are included by interior stretch ring that is inner and setting gradually outside, pressing member I movable up and down, lower stamping knife and can be upper and lower The pressing member II of activity is set as hollow in the middle part of the interior stretch ring and goes out a glass channel;
The middle mould is fixed on by middle die holder in middle template, the middle mould include by it is inner and set gradually outside can be up and down Upper casting die, outer ram, holding pad and upper stamping knife, the driving that driving holding pad moves up and down is provided at the top of the holding pad Part, be disposed through in the middle part of the upper casting die with the matched jumper bar channel of jumper bar;
Jumper bar mounted on cope plate bottom stretches into jumper bar channel interior, the bottom of the jumper bar be provided with in pop can cup body The punch that chamber matches.
The upper casting die, pressing member II and upper casting die are disposed as piston, correspond to lower piston I, lower piston II and upper work Plug I.
The actuator use three-level driving structure in the form of piston, that is, include set gradually from top to bottom first stage piston, Second piston and three-level piston.
Gland is provided at the top of the middle mould, what is be disposed through in the middle part of the gland leads to the matched jumper bar of jumper bar Road.
The present invention coordinates step-by-step movement feeding mechanism of the prior art to use, and cup stamping technique includes the steps:
(1)Lower template is located at lowest part, while cope plate is located at highest point;
(2)Metal flitch advances certain under the action of feeding mechanism
(3)Lower template rises under the action of cam so that and metal blank is pressed on the lower surface of upper stamping knife by lower piston II, by The air pressure of II lower part of lower piston provides pressure-plate-force during blanking shearing;
(4)Lower template continues to rise, and the compression metal blank of lower piston II is motionless, the outer cutting edge of lower stamping knife and the inner cutter hole of upper stamping knife It is mutually twisted, sheet stock is cut from metal blank;
(5)Lower stamping knife continues to rise with lower template, and holding pad provides required when stretching for the first time under the promotion of actuator Pressure-plate-force;
(6)Lower stamping knife continues to rise with lower template, the endoporus of lower stamping knife and the outer circle phase for the outer ram being fixed in middle template Under interaction, sheet stock is done and is stretched for the first time;
(7)After completing to stretch for the first time, lower template, by the far point straight angle curve of cam, stops under the support of cam At peak, while cope plate moves downward under the drive of connecting rod, and punch is as jumper bar is along jumper bar channel downlink;
(8)The metal flitch for completing first order stretching is pressed on the lower surface of outer ram, the lower surface of upper piston I by lower piston I Metal flitch is also pressed on to the upper surface of interior stretch ring, lower piston I and upper piston I provide the pressure-plate-force when second level stretches;
(9)Punch is continued traveling downwardly with cope plate, under the collective effect of the endoporus of the periphery of punch and interior stretch ring, to cup body Do second level stretching;
(10)Punch goes downwards to minimum point, completes second level pulling action, and cup body is molded completely;
(11)Pressure-air is poured to cup body inside by jumper bar, cup body is made to come off from punch;
(12)Cup body after coming off leaves cup press by glass channel that goes out in lower template;
(13)Lower template under the action of cam downlink until minimum point, cope plate under the action of carriage uplink until highest Point completes a working cycles.
Beneficial effects of the present invention are:
(1)The present invention is optimized by the structure to cup press, is realized and is realized on a cup press to metal original The stretching twice of material, so as to allow diameter and thinner raw material of the raw material using bigger, the use for making raw material is more abundant, has Effect improves the quantity of unit tonnage raw metal tank, and ton production cup quantity is about the cup press of same specification in the prior art 1.15 times, the output for reducing waste material by the utilization rate for improving raw material improves the competing of enterprise so as to effectively reduce production cost Strive strength.
(2)Cup press provided by the invention can realize sawing sheet, twice stretching and the integrated cup stamping operation of blanking, technique Pattern is novel, and production efficiency is high, and the cup type of punching press is regular, and consumptive material is few, high-quality.
Description of the drawings
Fig. 1 is the front view of the present invention,
Fig. 2 is the side view of the present invention,
Fig. 3 is the schematic cross-section of the double acting composite die component of the present invention,
Wherein, 1- lower sliders, 2- lower templates, template in 3-, 4- cope plates, 5- carriages, 6- connecting rods, 7- side plates, 8- roller shafts It holds, 9- cams, 10- main shafts, 11- pedestals, 12- flywheels, stretch ring in 21-, 22- pressing members I, stamping knife under 23-, 24- pressing members II, 25- metal blank, the upper stamping knives of 26-, 27- holding pads, 28- outer rams, the upper casting dies of 29-, 31- first stage pistons, mould in 32- Seat, 33- glands, 34- jumper bars, 35- punches, 36- second pistons, 37- three-level pistons.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings:
As shown in Figures 1 to 3:A kind of double acting compound die cup press of high production, including rack, driving mechanism and double acting composite die group Part, the rack include bottom plate and the side plate 7 that is arranged at left and right sides of bottom plate, be provided between the side plate 7 of both sides can more than The carriage 5 of lower activity and lower slider 1, the bottom of carriage 5 are provided with cope plate 4, and the top of lower slider 1 is provided with lower template 2, the cope plate 4 and lower template 2 are provided with middle template 3, middle template in the middle part of the upper and lower part of rack, rack respectively 3 between cope plate 4 and lower template 2 and lower template 2;
The driving mechanism includes driving motor, main shaft 10, flywheel 12, cam 9, connecting rod 6, main shaft 10 and holds and roller bearing 8, institute It states main shaft 10 to hold on the side plate 7 of rack both sides by the main shaft 10 at both ends, the middle part of main shaft 10 is equipped with flywheel 12, institute It states flywheel 12 and driving motor is connected by belt, the left and right ends of main shaft 10 are separately installed with cam 9, and the cam 9 is mutually right Claim and positioned at the inside of rack, the top of cam 9 is provided with roller bearing 8, and the roller bearing 8 is symmetrically mounted on lower slider 1 Bottom and contacted always with corresponding cam 9, two outer end of left and right that the main shaft 10 stretches out framework lateral plate 7 is both provided with bias Section, the eccentric segment of main shaft 10 connect the bottom end of connecting rod 6 by bearing, and the top of connecting rod 6 connects the two of carriage 5 by bearing End;
The double acting composite die component include being sequentially arranged at lower template 2, middle template 3 and lower die on cope plate 4, upper mold and Jumper bar 34, the lower die are included by interior stretch ring 21 that is inner and setting gradually outside, pressing member movable up and down I 22, lower stamping knife 23 and pressing member movable up and down II 24, the middle part of the interior stretch ring 21 is set as hollow and goes out a glass channel;
The middle mould is fixed on by middle die holder 32 in middle template 3, the middle mould include by it is inner and set gradually outside can be upper and lower Upper casting die 29, outer ram 28, holding pad 27 and the upper stamping knife 26 of activity, the top of the holding pad 27 is provided with driving holding pad 27 actuators to move up and down, the middle part of the upper casting die 29 be disposed through with 34 matched 34 channel of jumper bar of jumper bar;
Jumper bar 34 mounted on 4 bottom of cope plate stretches into 34 channel interior of jumper bar, the bottom of the jumper bar 34 be provided with it is easy-to-draw The punch 35 that tank cup body inner cavity matches.
The pressing member I 22, pressing member II 24 and upper casting die 29 are disposed as piston, correspond to lower piston I, lower piston II With upper piston I.
The actuator uses the driving structure of 37 formula of three-level piston, that is, includes the first stage piston set gradually from top to bottom 31st, second piston 36 and three-level piston 37.
Gland 33 is provided at the top of the middle mould, 33 middle part of gland is disposed through matched with jumper bar 34 34 channel of jumper bar.
The present invention coordinates step-by-step movement feeding mechanism of the prior art to be used in conjunction with, and realizes and is carried out on same cup press Sawing sheet, twice efficient, reliable, the integrated cup stamping technique of stretching and blanking, cup stamping technique include the steps:
(1)Lower template 2 is located at lowest part, while cope plate 4 is located at highest point;
(2)Metal flitch advances certain under the action of feeding mechanism
(3)Lower template 2 rises under the action of cam 9 so that metal blank 25 is pressed under upper stamping knife 26 by lower piston II Surface is provided pressure-plate-force during blanking shearing by the air pressure of II lower part of lower piston;
(4)Lower template 2 continues to rise, and the compression metal blank 25 of lower piston II is motionless, the outer cutting edge of lower stamping knife 23 and upper stamping knife 26 Inner cutter hole be mutually twisted, cut sheet stock from metal blank 25;
(5)Lower stamping knife 23 continues to rise with lower template 2, and holding pad 27 is under the promotion of actuator, when providing stretching for the first time Required pressure-plate-force;
(6)Lower stamping knife 23 continues to rise with lower template 2, the endoporus of lower stamping knife 23 and the outer ram 28 being fixed in middle template 3 Outer circle interaction under, sheet stock is done for the first time stretch;
(7)After completing to stretch for the first time, lower template 2 is under the support of cam 9, by the separate center of circle side of cam 9 Smooth surface is rested at peak, while cope plate 4 moves downward under the drive of connecting rod 6, and punch 35 is with 34 edge of jumper bar 34 channel downlink of jumper bar;
(8)The metal flitch for completing first order stretching is pressed on the lower surface of outer ram 28, the following table of upper piston I by lower piston I Metal flitch is also pressed on the upper surface of interior stretch ring 21 by face, and lower piston I and upper piston I provide the binder when second level stretches Power;
(9)Punch 35 is continued traveling downwardly with cope plate 4, the collective effect of the endoporus of the periphery of punch 35 and interior stretch ring 21 Under, second level stretching is done to cup body;
(10)Punch 35 goes downwards to minimum point, completes second level pulling action, and cup body is molded completely;
(11)Pressure-air is poured to cup body inside by jumper bar 34, cup body is made to come off from punch 35;
(12)Cup body after coming off leaves cup press by glass channel that goes out in lower template 2;
(13)Lower template 2 under the action of cam 9 downlink until minimum point, cope plate 4 under the action of carriage 5 uplink until Peak completes a working cycles.
The present invention twice stretch cup stamping driving principle be:Driving motor drives flywheel 12 to rotate by belt, flywheel 12 rotation drives main shaft 10 to rotate, and the left and right cam 9 mounted on 10 both ends of main shaft rotates therewith, since cam 9 is non-circular Structure, therefore be set to 9 top of cam and transported up and down with the rotation meeting of cam 9 with the roller bearing 8 that cam 9 contacts always It is dynamic, lower slider 1 is finally made to move up and down along the U-lag among left side plate 7, the lower template 2 in lower slider 1 is under Balladeur train 1 moves up and down together;
At the same time, during main shaft 10 rotates, the eccentric segment of 10 liang of outer end settings of main shaft is done along the axle center of main shaft 10 Circular motion does crank-motion with connecting rod 6 under the rotary action of 10 eccentric segment of main shaft around main shaft 10, makees in the driving of connecting rod 6 Under, carriage 5 moves up and down along the U-lag among left side plate 7, and the lower template 2 in lower slider 1 is with downslide Frame 1 moves up and down together;
The present invention is by designing the movement relation of 9 curve of cam and eccentric main axis 10 so that 2 cooperative motion of bolster is realized One cup stamping function realizes sawing sheet, the twice action of the integrated cup stamping of stretching and blanking.
The process of the cup processed of cup press is exactly to cut the process that material stretches in fact, according to the principle of stretching die, is drawn every time The problem of stretching the limitation for having draw ratio is exactly that the circle material of certain diameter can only be stretched to certain diameter drum, if to stretch It is needed to less diameter drum by two or multi-drawing could be realized.Traditional cup stamping machine equipment is only drawn by primary Cup stamping process of completing is stretched, equipment is calculated draw ratio to close to dimension limit, that is to say, that in finished pot can body diameter one In the case of fixed, sawing sheet diameter calculates maximum substantially, since draw ratio coefficient limits to, can not possibly increase considerably sawing sheet again Diameter.
The present invention overcomes this technological difficulties, by realizing the stretching twice to raw metal on a cup press, So as to allow diameter and thinner raw material of the raw material using bigger, the use for making raw material is more abundant, effectively increases unit The quantity of tonnage raw metal tank, ton production cup quantity is about 1.15 times of the cup press of same specification in the prior art, by carrying The utilization rate of high raw material reduces the output of waste material so as to effectively reduce production cost, while by being realized on a cup press Sawing sheet, twice stretching and the integrated cup stamping operation of blanking, effectively increase production efficiency, greatly promote the competitiveness of enterprise.
The above embodiments and description only illustrate the principle of the present invention and most preferred embodiment, is not departing from this Under the premise of spirit and range, various changes and improvements may be made to the invention, these changes and improvements both fall within requirement and protect In the scope of the invention of shield.

Claims (5)

1. a kind of double acting compound die cup press of high production, exists including rack, driving mechanism and double acting composite die component, feature In:The rack includes bottom plate and the side plate being arranged at left and right sides of bottom plate, and being provided between the side plate of both sides can be upper and lower The carriage and lower slider of activity, the bottom of carriage is provided with cope plate, is provided with lower template at the top of lower slider, it is described on Template and lower template are located at the upper and lower part of rack respectively, are provided with middle template in the middle part of rack, middle template is located at cope plate Between lower template and lower template;
The driving mechanism includes driving motor, main shaft, flywheel, cam, connecting rod, base bearing and roller bearing, and the main shaft leads to The base bearing for crossing both ends is mounted on the side plate of rack both sides, flywheel is equipped in the middle part of main shaft, the flywheel is connected by belt Driving motor is connect, the left and right ends of main shaft are separately installed with cam, and the cam is symmetrically and positioned at the inside of rack, cam Top be provided with roller bearing, the roller bearing is symmetrically mounted on the bottom of lower slider and is connect always with corresponding cam It touches, two outer end of left and right that the main shaft stretches out framework lateral plate is both provided with eccentric segment, and the eccentric segment of main shaft is connected by bearing to be connected The bottom end of bar, the top of connecting rod connect the both ends of carriage by bearing;
The double acting composite die component includes being sequentially arranged at lower template, middle template and lower die, upper mold and punching on cope plate Bar, the lower die are included by interior stretch ring that is inner and setting gradually outside, pressing member movable up and down I, lower stamping knife and can be upper and lower The pressing member II of activity is set as hollow in the middle part of the interior stretch ring and goes out a glass channel;
The middle mould is fixed on by middle die holder in middle template, the middle mould include by it is inner and set gradually outside can be up and down Upper casting die, outer ram, holding pad and upper stamping knife, the driving that driving holding pad moves up and down is provided at the top of the holding pad Part, be disposed through in the middle part of the upper casting die with the matched jumper bar channel of jumper bar;
Jumper bar mounted on cope plate bottom stretches into jumper bar channel interior, the bottom of the jumper bar be provided with in pop can cup body The punch that chamber matches.
2. the double acting compound die cup press of high production according to claim 1, it is characterised in that:The upper casting die, pressing member II and upper casting die are disposed as piston, correspond to lower piston I, lower piston II and upper piston I.
3. the double acting compound die cup press of high production according to claim 1, it is characterised in that:The actuator uses three-level Driving structure in the form of piston includes the first stage piston, second piston and the three-level piston that set gradually from top to bottom.
4. the double acting compound die cup press of high production according to claim 1, it is characterised in that:The top setting of the middle mould Have a gland, be disposed through in the middle part of the gland with the matched jumper bar channel of jumper bar.
5. a kind of cup stamping technique, which is characterized in that including the steps:
(1)Lower template is located at lowest part, while cope plate is located at highest point;
(2)Metal flitch advances certain under the action of feeding mechanism
(3)Lower template rises under the action of cam so that and metal blank is pressed on the lower surface of upper stamping knife by lower piston II, by The air pressure of II lower part of lower piston provides pressure-plate-force during blanking shearing;
(4)Lower template continues to rise, and the compression metal blank of lower piston II is motionless, the outer cutting edge of lower stamping knife and the inner cutter hole of upper stamping knife It is mutually twisted, sheet stock is cut from metal blank;
(5)Lower stamping knife continues to rise with lower template, and holding pad provides required when stretching for the first time under the promotion of actuator Pressure-plate-force;
(6)Lower stamping knife continues to rise with lower template, the endoporus of lower stamping knife and the outer circle phase for the outer ram being fixed in middle template Under interaction, sheet stock is done and is stretched for the first time;
(7)After completing to stretch for the first time, lower template, by the far point straight angle curve of cam, stops under the support of cam At peak, while cope plate moves downward under the drive of connecting rod, and punch is as jumper bar is along jumper bar channel downlink;
(8)The metal flitch for completing first order stretching is pressed on the lower surface of outer ram, the lower surface of upper piston I by lower piston I Metal flitch is also pressed on to the upper surface of interior stretch ring, lower piston I and upper piston I provide the pressure-plate-force when second level stretches;
(9)Punch is continued traveling downwardly with cope plate, under the collective effect of the endoporus of the periphery of punch and interior stretch ring, to cup body Do second level stretching;
(10)Punch goes downwards to minimum point, completes second level pulling action, and cup body is molded completely;
(11)Pressure-air is poured to cup body inside by jumper bar, cup body is made to come off from punch;
(12)Cup body after coming off leaves cup press by glass channel that goes out in lower template;
(13)Lower template under the action of cam downlink until minimum point, cope plate under the action of carriage uplink until highest Point completes a working cycles.
CN201810025328.7A 2018-01-11 2018-01-11 A kind of double acting compound die cup press of high production and its cup stamping technique Pending CN108127052A (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109047509A (en) * 2018-09-28 2018-12-21 浙江龙文精密设备股份有限公司 Bowl-shape tank and its molding die
CN113103490A (en) * 2021-04-12 2021-07-13 钟定中 Plastic pressure injection machine

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CN202052880U (en) * 2011-03-09 2011-11-30 太平洋制罐(漳州)有限公司 Cup punching mechanism for can manufacturing
CN203621249U (en) * 2013-12-05 2014-06-04 昆山市珍和模具五金机械有限公司 Pneumatic demoulding type constant pressure cup punching die
CN203737879U (en) * 2014-04-01 2014-07-30 佛山市定中机械有限公司 Six connecting rod multi-station multi-functional tank maker
CN104972304A (en) * 2014-04-02 2015-10-14 佛山市定中机械有限公司 High speed four-channel easy pull-top pull-ring compounding machine
CN106881405A (en) * 2017-03-21 2017-06-23 义乌市易开盖实业公司 Tapered shaped can drawing die and stretch forming method
CN207839899U (en) * 2018-01-11 2018-09-11 佛山市定中机械有限公司 A kind of double acting compound die cup press of high production

Cited By (4)

* Cited by examiner, † Cited by third party
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CN109047509A (en) * 2018-09-28 2018-12-21 浙江龙文精密设备股份有限公司 Bowl-shape tank and its molding die
CN109047509B (en) * 2018-09-28 2023-10-31 浙江龙文精密设备有限公司 Bowl-shaped tank and forming die thereof
CN113103490A (en) * 2021-04-12 2021-07-13 钟定中 Plastic pressure injection machine
CN113103490B (en) * 2021-04-12 2024-03-19 佛山市定中机械有限公司 Plastic injection molding machine

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