CN103507294B - Method and device for die blockage automatic protection of powder forming machine - Google Patents
Method and device for die blockage automatic protection of powder forming machine Download PDFInfo
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Abstract
The invention discloses a method and device for die blockage automatic protection of a powder forming machine. Two detectors are arranged on the powder forming machine, one detector is used for detecting a state of a pressing machine, and the other detector is used for detecting a falling stroke of a lower sliding block mechanism of a die. If the detector for detecting the state of the pressing machine detects that the pressing machine is already in a stuffing state and the stroke detected by the detector for detecting the falling stroke of the lower sliding block mechanism of the die is not in pace, people can judge that die blockage occurs, and at the time, the pressing machine is shut down through a control mechanism to be overhauled. The state of the pressing machine and the conditions of a demolding mechanism are detected through two detection mechanisms respectively, whether die blockage occurs is determined by comparison, die blockage can be effectively avoided, and safety in automated operation can be further improved.
Description
Technical field
The present invention relates to a kind of means of defence and device of power metallurgy equipment, particularly a kind of powder former snap gauge automatic protecting method and device; Be mainly used in full-automatic powder moulding machine snap gauge automatically to protect, when preventing mould from occurring clamping stagnation, patrix continues motion and mold damage.
Background technology
Powder pressing method applies the most general manufacturing process, and along with the fast development of chemical engineering industry, powder metallurgy has become the effective way producing various high performance structures material and functional material parts; Powder metallurgy shaping so far still adopt compressing; So-called powder pressing (powder pressing) refers to the powder forming method utilizing impressed pressure in pressing mold.Be shaped also known as stamping of powder.Compacting process forms by filling powder, compacting and the demoulding.Basic pressing mode has unidirectional compacting, two-way compacting, floating compacting, pulling-down type compacting and friction core bar to suppress 5 kinds; And along with the progress of technology; general employing is all fully automatic powder moulding press now; this press generally all comprises briquetting machine, feed mechanism, mould emptier, transmission mechanism, the several part of arrestment mechanism; described briquetting machine is all to be suppressed in specific mould by moving up and down of a slide block mechanism; after compacting completes, then carry out the demoulding by a mould emptier.Existing fully automatic powder moulding press is in the moving up and down of press slide, often there is the phenomenon (namely the phenomenon blocked appears in mould in the course of the work) of snap gauge, if there is snap gauge, and the slide block mechanism of press continues to run by force, the damage of the even whole slide block mechanism of mould will be caused.Especially after fully automatic high-speed pressing die press occurs, this phenomenon occurs more and more, necessaryly solves this.
By the Searches of Patent Literature, do not have to find directly relevant with the technology of the present invention documents, just have some to relate to the patent of fully automatic powder moulding press, mainly contain following Patents:
1, application number is CN95244750.9, the Chinese invention patent application that denomination of invention is " automatic powder shaping press " discloses a kind of automatic powder shaping press, compacting is controlled respectively by two bent axles parallel to each other, mould emptier, carry out two-way compacting, and by eccentric disc, linkage feed mechanism is automatic, accurate feeding, electromagnetic clutch arrestment mechanism engages automatically, braking, pressurize working cylinder ensures that powder has enough molding times, presswork quality is good, forcing press stable performance, structure is simple, easy and simple to handle, long service life, cost is low, automaticity is high, be widely used in metal dust, non-metal powder, soft magnetic material, cemented carbide powder, the shaping compacting of electronic ceramic powder.
2, application number is CN201110411404.6, and denomination of invention is that the Chinese invention patent application of " full-automatic magnetic powder molding press " discloses a kind of full-automatic magnetic powder molding press.It is made up of frame, mould bases, batch plant, coil, encapsulating and control system.It is mainly used as the making of magnetic patch, realizes the shaping manufacture of automatic precision, resolution system precision, dosing, three subject matters such as pressing mode.
3, application number is CN201220382790.0, the Chinese invention patent application that denomination of invention is " the powder automatic forming press of stairstepping pressure transmission thermal-insulating sealing part " discloses a kind of powder automatic forming press of stairstepping pressure transmission thermal-insulating sealing part, comprise guide pillar and the entablature and the base that are fixed on guide pillar two ends, guide pillar slidably connects slide block, it is characterized in that: described slide block bottom is provided with mould bases, mould bases comprises seaming chuck fixed head, negative template, push-down head fixed head and core rod fixed head, seaming chuck fixed head and negative template are slidably connected by upper connecting rod, negative template, push-down head fixed head and core rod fixed head are slidably connected by lower link, seaming chuck fixed head is provided with seaming chuck, and negative template is provided with former, and push-down head fixed head is provided with push-down head, and core rod fixed head is provided with core rod, and seaming chuck, push-down head are corresponding with cavity space, and core rod is corresponding with push-down head, slide block top is provided with shaping dope cylinder pressure.
4, application number is CN201220511033.9, the Chinese invention patent application that denomination of invention is " a kind of mould and automatic forming press thereof " discloses a kind of mould, comprise former, core bar, upper interior punching, upper outside punching, lower interior punching and lower outside punching, in upper, punching is socketed in upper outside punching, and upper outside punching is socketed on former upper inside wall; In lower, punching is socketed in lower outside punching, and lower outside punching is socketed on former inner wall lower; The cavity of topping bar of punching in upper, upper outside punching, core bar formation die cavity, form the ring cavity of die cavity between former and core bar, lower interior punching, lower outside punching and core bar form the cavity of getting out of a predicament or an embarrassing situation of die cavity.The utility model also relates to a kind of automatic forming press.The utility model is by unique automatic compacting tool and press, and compressing a kind of complicated shape product respectively having two end faces for above-below direction, compared with traditional manual pressing mode, has the advantages such as production efficiency is high, the quality of production is stable.
5, application number is CN96230223.6, the Chinese invention patent application that denomination of invention is " automatic powder shaping press " discloses a kind of follow-on automatic powder shaping press, it is characterized in that adopting secondary gear transmission, the intermediate gear shaft of transmission device synchronously drives upper and lower bent axle parallel with it, and this upper and lower bent axle is connected with mould emptier with briquetting machine respectively, directly carries out suppressing, the demoulding, thus inertia is large, energy consumption is little, and press power is strong, and power is high; And mould bases is open type, mould accurate positioning, is easy to install and regulate; Driven the accurate feeding of escapement by eccentric wheel, got base, electromagnetic clutch engages braking automatically.
Although these patents above-mentioned have related to full-automatic powder pressing machine, but all do not consider the problem how solving snap gauge, therefore the snap gauge problem of fully automatic powder moulding press is effectively solved always, this is by the production of extreme influence product, even cause the damage of equipment and mold, suddenly need to be solved.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automatic protecting method and the device that solve full-automatic powder pressing machine snap gauge and cause mould or device damage; When the method and device can effectively prevent full-automatic powder pressing machine mould from occurring clamping stagnation, patrix continues motion and causes burn failure.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of powder former snap gauge automatic protecting method, powder former arranges two detectors, one of them detector is for detecting the state residing for press, and another one detector falls stroke for the sliding block mechanism detecting mould; If for detect the state residing for press detector detected by press be in filler state; but the stroke detected for the detector that the sliding block mechanism detecting mould falls stroke does not put in place; then can judge to have occurred that card is touched, at this moment will control press shutdown by controlling organization and overhaul.
Further, described be arranged on press sliding block mechanism for the detector detecting the state residing for press down-pressed pole and support between, judge to judge whether press is in filler state by detection down-pressed pole status.
Further, described is magnetic induction switch for detecting the detector of the state residing for press, magnetic induction switch be arranged on be positioned at press down-pressed pole side support on, when the down-pressed pole bottom puts in place, connect magnetic induction switch, send under the signal of telecommunication represents that press is in filling state by magnetic induction switch.
Whether further, the described detector falling stroke for the sliding block mechanism detecting mould is arranged between dress powder height adjusting nut and support, fallen stroke put in place by the Distance Judgment sliding block mechanism that falls of detection dress powder height adjusting nut.
Further, the described detector falling stroke for the sliding block mechanism detecting mould is range finder, range finder is arranged on support, be positioned at the below of dress powder height adjusting nut, when fill powder height adjusting nut press press down slide block drive dress powder height adjusting nut down to move time, by by a transmission mechanism, the distance that dress powder height adjusting nut falls is passed to range finder, only after dress powder height adjusting nut falls completely, range finder just disconnects.
According to the powder former snap gauge automatic safety device that above-mentioned powder former snap gauge automatic protecting method proposes be: a kind of powder former snap gauge automatic safety device, between the moving-member and any fixed part of press of press feed mechanism, the filler sniffer whether a detection press is in filler state is installed; Simultaneously between the moving-member and any fixed part of press of press demoulding mechanism, the demoulding sniffer whether mould emptier being provided with a detection press throws off completely; And adopt the signal of telecommunication to be transported to press control system the situation of two detection, snap gauge control module is provided with in press control system, differentiated by the signal of telecommunication of snap gauge control module to two detection, and control according to the situation differentiated.
Further, described filler sniffer is arranged between the down-pressed pole of press and support, wherein the probe of sniffer is arranged on support, near the position of probe, induction installation is installed at down-pressed pole, induction installation moves up and down with down-pressed pole and moves together, the situation moved up and down according to induction installation of popping one's head in sends the different signals of telecommunication, and the signal of telecommunication is sent into the snap gauge control module of press control device, carries out the differentiation of whether snap gauge for control system.
Further, described demoulding sniffer is arranged on press sliding block and fills between powder height adjusting nut and support, wherein the probe of demoulding sniffer is arranged on support, the ranging mechanism that an induction dress powder height adjusting nut moves up and down state is provided with below dress powder height adjusting nut, ranging mechanism with dress powder height adjusting nut move up and down and mobile, ranging mechanism is together with the probe contacts of demoulding sniffer simultaneously, the different signals of telecommunication is sent by the probe moving up and down demoulding sniffer of ranging mechanism, and the signal of telecommunication is sent into the snap gauge control module of press control device, the differentiation of whether snap gauge is carried out for control system.
Further, described filler sniffer is magnetic induction sniffer, and the magnetic induction switch of magnetic induction sniffer is arranged on support, and be provided with a magnetic induction block at down-pressed pole near the position of magnetic induction switch, magnetic induction block together moves up and down with down-pressed pole; When down-pressed pole moves down the position of magnetic induction switch, magnetic induction block will cause magnetic induction switch action, change the state of magnetic induction switch, and changed state is sent to control system as electronic signals.
Further, described demoulding sniffer is range-measurement system, what the range switch of range-measurement system was arranged on support moves up and down on the plain bearing housing of main shaft, range switch contact by conduction mechanism lower surface with dress powder height adjusting nut, and by conduction mechanism respond to fill powder height adjusting nut fall situation; When filling powder height adjusting nut and falling completely, range switch will be disconnected, and represent that mould falls.
Further, described conduction mechanism is post rod mechanism, the push rod of post rod mechanism moves up and down through support the plain bearing housing of main shaft, withstand on the lower surface of dress powder height adjusting nut, push rod bottom is " L " shape, the flanging of push rod lower end bending is provided with and ensures that push rod withstands the spring of the lower surface of dress powder height adjusting nut all the time, flanging is provided with range switch contact, when dress powder height adjusting nut drops to the degree that mould separating completes, range switch contact on flanging will disconnect with range switch, and send the signal of telecommunication by range switch, after the signal of telecommunication is fed to control system, to again pass a judgement.
The present invention detects the situation of press status and mould emptier respectively by two detection agencies, and determines whether snap gauge by comparing, and effectively can prevent the generation of snap gauge phenomenon, can further improve the safety of automated job.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation;
Fig. 2 is the close-up schematic view of one embodiment of the invention;
Fig. 3 is the electrical control schematic diagram of one embodiment of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described; certainly apparent; protection scope of the present invention, having more than is content described by embodiment, and implementer's case that any design according to the present invention proposes all belongs to the scope that the present invention protects.
Can be found out by accompanying drawing, the present invention relates to a kind of powder former snap gauge automatic protecting method, powder former arranges two detectors, and one of them detector is for detecting the state residing for press, and another one detector falls stroke for the sliding block mechanism detecting mould; If for detect the state residing for press detector detected by press be in filler state; but the stroke detected for the detector that the sliding block mechanism detecting mould falls stroke does not put in place; then can judge to have occurred that card is touched, at this moment will control press shutdown by controlling organization and overhaul.
Further, described be arranged on press sliding block mechanism for the detector detecting the state residing for press down-pressed pole and support between, judge to judge whether press is in filler state by detection down-pressed pole status.
Further, described is magnetic induction switch for detecting the detector of the state residing for press, magnetic induction switch be arranged on be positioned at press down-pressed pole side support on, when the down-pressed pole bottom puts in place, connect magnetic induction switch, send under the signal of telecommunication represents that press is in filling state by magnetic induction switch.
Whether further, the described detector falling stroke for the sliding block mechanism detecting mould is arranged between dress powder height adjusting nut and support, fallen stroke put in place by the Distance Judgment sliding block mechanism that falls of detection dress powder height adjusting nut.
Further, the described detector falling stroke for the sliding block mechanism detecting mould is range finder, range finder is arranged on support, be positioned at the below of dress powder height adjusting nut, when fill powder height adjusting nut press press down slide block drive dress powder height adjusting nut down to move time, by by a transmission mechanism, the distance that dress powder height adjusting nut falls is passed to range finder, only after dress powder height adjusting nut falls completely, range finder just disconnects.
According to the powder former snap gauge automatic safety device that above-mentioned powder former snap gauge automatic protecting method proposes be: a kind of powder former snap gauge automatic safety device, between the moving-member and any fixed part of press of press feed mechanism, the filler sniffer whether a detection press is in filler state is installed; Simultaneously between the moving-member and any fixed part of press of press demoulding mechanism, the demoulding sniffer whether mould emptier being provided with a detection press throws off completely; And adopt the signal of telecommunication to be transported to press control system the situation of two detection, snap gauge control module is provided with in press control system, differentiated by the signal of telecommunication of snap gauge control module to two detection, and control according to the situation differentiated.
Further, described filler sniffer is arranged between the down-pressed pole of press and support, wherein the probe of sniffer is arranged on support, near the position of probe, induction installation is installed at down-pressed pole, induction installation moves up and down with down-pressed pole and moves together, the situation moved up and down according to induction installation of popping one's head in sends the different signals of telecommunication, and the signal of telecommunication is sent into the snap gauge control module of press control device, carries out the differentiation of whether snap gauge for control system.
Further, described demoulding sniffer is arranged on press sliding block and fills between powder height adjusting nut and support, wherein the probe of demoulding sniffer is arranged on support, the ranging mechanism that an induction dress powder height adjusting nut moves up and down state is provided with below dress powder height adjusting nut, ranging mechanism with dress powder height adjusting nut move up and down and mobile, ranging mechanism is together with the probe contacts of demoulding sniffer simultaneously, the different signals of telecommunication is sent by the probe moving up and down demoulding sniffer of ranging mechanism, and the signal of telecommunication is sent into the snap gauge control module of press control device, the differentiation of whether snap gauge is carried out for control system.
Further, described filler sniffer is magnetic induction sniffer, and the magnetic induction switch of magnetic induction sniffer is arranged on support, and be provided with a magnetic induction block at down-pressed pole near the position of magnetic induction switch, magnetic induction block together moves up and down with down-pressed pole; When down-pressed pole moves down the position of magnetic induction switch, magnetic induction block will cause magnetic induction switch action, change the state of magnetic induction switch, and changed state is sent to control system as electronic signals.
Further, described demoulding sniffer is range-measurement system, what the range switch of range-measurement system was arranged on support moves up and down on the plain bearing housing of main shaft, range switch contact by conduction mechanism lower surface with dress powder height adjusting nut, and by conduction mechanism respond to fill powder height adjusting nut fall situation; When filling powder height adjusting nut and falling completely, range switch will be disconnected, and represent that mould falls.
Further, described conduction mechanism is post rod mechanism, the push rod of post rod mechanism moves up and down through support the plain bearing housing of main shaft, withstand on the lower surface of dress powder height adjusting nut, push rod bottom is " L " shape, the flanging of push rod lower end bending is provided with and ensures that push rod withstands the spring of the lower surface of dress powder height adjusting nut all the time, flanging is provided with range switch contact, when dress powder height adjusting nut drops to the degree that mould separating completes, range switch contact on flanging will disconnect with range switch, and send the signal of telecommunication by range switch, after the signal of telecommunication is fed to control system, to again pass a judgement.
Embodiment one
As shown in Figure 1-2, a kind of powder former snap gauge automatic safety device, comprises support 1, press sliding block 2, counterdie 3, down-pressed pole 4 and dress powder height adjusting nut 5; Wherein, counterdie 3 is arranged on the top of press sliding block 2, and press sliding block 2 is connected with the push rod 6 in counterdie 3, and push rod 6 can be driven to move up and down in counterdie; Press sliding block 2 is provided with a jacking block 7, and be provided with the dress powder height adjusting nut 5 of a spiral adjustment simultaneously, dress powder height can be adjusted by the height of adjustment dress powder height adjusting nut 5, between dress powder height adjusting nut 5 and jacking block 7, be provided with down-pressed pole 4, down-pressed pole 4 can be with dynamic compressor sliding block 2 to move up and down under the drive of press; It is characterized in that, the plain bearing housing 10 of support is provided with two sniffers, be respectively filler sniffer 11 and demoulding sniffer 12, be combined through electrical control by filler sniffer 11 and demoulding sniffer 12 and form snap gauge automatic safety device; Wherein, rocking arm bottom dead centre Simultaneous Monitoring sensor installed by described filler sniffer 11, whether is in filler state for detecting press.
Described described filler sniffer 11 is for be combined to form magnetic induction detection system by magnetic induction switch; Magnetic induction switch 14 is arranged on plain bearing housing 10 by a support 13, magnetic induction block 9 is installed in position corresponding with magnetic induction switch on down-pressed pole 4, magnetic induction block 9 moves up and down with down-pressed pole 4, when moving to magnetic induction switch 14 position, connects magnetic induction switch; When leaving magnetic induction switch position, magnetic induction switch disconnects; Filler sniffer 11 also can be other induction system, as far infrared or laser induced system and device.
Described demoulding sniffer 12 is installing induction installation on the plain bearing housing 10 of the main shaft that moves up and down, for detecting the situation of press demoulding mechanism, and moving up and down of the adjusting gear end face of Real-Time Monitoring main shaft; Induction installation is a range-measurement system; The range switch 8 of range-measurement system is arranged on the plain bearing housing 10 of the main shaft that moves up and down of support, range switch 8 contact by the lower surface of a conduction mechanism with dress powder height adjusting nut 5, and by conduction mechanism respond to fill powder height adjusting nut fall situation; When filling powder height adjusting nut and falling completely, range switch 8 will be disconnected, and represent that mould falls; Demoulding sniffer 12 also can be other range-measurement system, as far infrared or LDMS device.
Described conduction mechanism is shaft-like composition, a range finding push rod 16 withstands on through plain bearing housing 10 on the lower surface of adjustment dress powder height adjusting nut 5, the bottom of range finding push rod 16 is " L " shape, between the inner surface and plain bearing housing 10 lower surface of bottom bending part, be provided with push rod 16 return spring 15 of finding range; When adjust dress powder height adjusting nut 5 moves time, by return spring 15 drive range finding push rod 16 in company with adjustment dress powder height adjusting nut 5 together on move, ensure that range finding push rod 16 withstands on the lower surface of adjustment dress powder height adjusting nut 5 all the time; Meanwhile, be provided with range switch contact 17 in the termination of bottom " L " shape bending part of range finding push rod 16, by the contact of range switch contact 17 and range switch 8 or disconnect and judge whether stripper apparatus falls to putting in place.
The electrical control of described snap gauge automatic safety device adopts intelligent Single-chip Controlling; increase in electric control system and detect and appliance controling element; when there is snap gauge phenomenon in moulding press; the motion of main shaft adjusting gear is not in place; automatic safety device will detect the upper and lower displacement of motor adjustment gear automatically; abnormality has been there is at snap gauge, just can fast shut-off motion motor, when preventing mould from occurring clamping stagnation, patrix continues motion and mold damage.Control circuit is as accompanying drawing 3, and the drive motors 18 of press is powered by power supply 19, and in feeding electric motors circuit, be connected in series a gauge tap 20, gauge tap 20 is controlled by control system 21; Control system 21 receives the signal of telecommunication transmitted by filler sniffer electric signal transmission device 22 and demoulding sniffer electric signal transmission device 23, after comparative analysis, gauge tap 20 is controlled again by control signal wire 24, when there is snap gauge phenomenon in moulding press, initiatively pass through the power supply of gauge tap 20 fast shut-off motion motor 18, when preventing mould from occurring clamping stagnation, patrix continues motion and mold damage.
Snap gauge automatic safety device can carry out suitable adjustment according to actual conditions, and adjustment mode is as follows:
1) feeler lever on plain bearing housing requires that motion flexibly, on main shaft gear face pressure and when lifting, feeler lever range of movement requires within the detection range 4mm of sensor, crawl operation makes main shaft move up and down, observe the digital-scroll technique value of controller, normal value should between 2.00 ~ 9.80 (change up and down with adjusting gear and change), and feeler lever must not crash sensor when bottom dead centre, in order to avoid damage sensor.
2) sensor of the installation on plain bearing housing must use nut check, must not have loosening situation, otherwise the position data of monitoring is unstable, makes automatic safety device malfunctioning.
3) rocking arm bottom dead centre monitoring sensor must be make rocking arm effective (time effective, sensor having indicator lamp to show) when bottom dead centre, and when installing will as early as possible can ground near bottom dead centre.
4) main shaft adjusting gear is lifted in crawl operation; be tucked into above feeler lever with the clearance gauge that specification is 0.5mm; and make gear push down feeler lever; press simultaneously and controller arranges button, and then this button that resets, controller can preserve the protection threshold values of the controller of current setting; when there is snap gauge; mainshaft gear motion is not in place, and controller just stops for criterion controls motor fast with the threshold values of current setting, and sends sound and light alarm.
5) process extremely, operator can continue to operate inching button, exits guard mode.
The present invention detects the situation of press status and mould emptier respectively by two detection agencies, and determines whether snap gauge by comparing, and effectively can prevent the generation of snap gauge phenomenon, can further improve the safety of automated job.Snap gauge automatic safety device, adopts intelligent Single-chip Controlling, increases and detects and appliance controling element; the plain bearing housing of main shaft that moves up and down installs induction installation; moving up and down of the adjusting gear end face of Real-Time Monitoring main shaft, meanwhile, installs rocking arm bottom dead centre Simultaneous Monitoring sensor in side.When there is snap gauge phenomenon in moulding press; the motion of main shaft adjusting gear is not in place, and automatic safety device will detect the upper and lower displacement of motor adjustment gear automatically, has occurred abnormality at snap gauge; just can fast shut-off motion motor, when preventing mould from occurring clamping stagnation, patrix continues motion and mold damage.
Claims (10)
1. a powder former snap gauge automatic protecting method, is characterized in that: on powder former, arrange two detectors, and one of them detector is for detecting the state residing for press, and another one detector falls stroke for the sliding block mechanism detecting mould; If for detect the state residing for press detector detected by press be in filler state; but the stroke detected for the detector that the sliding block mechanism detecting mould falls stroke does not put in place; then can judge to have occurred snap gauge, at this moment will control press shutdown by controlling organization and overhaul.
2. powder former snap gauge automatic protecting method according to claim 1; it is characterized in that: described be arranged on press sliding block mechanism for the detector detecting the state residing for press down-pressed pole and support between, judge whether press is in filler state by detection down-pressed pole status.
3. powder former snap gauge automatic protecting method according to claim 2; it is characterized in that: further; described is magnetic induction switch for detecting the detector of the state residing for press; magnetic induction switch be arranged on be positioned at press down-pressed pole side support on; when the down-pressed pole bottom puts in place; connect magnetic induction switch, send under the signal of telecommunication represents that press is in filler state by magnetic induction switch.
4. powder former snap gauge automatic protecting method according to claim 3; it is characterized in that: further; whether the described detector falling stroke for the sliding block mechanism detecting mould is arranged between dress powder height adjusting nut and support, fallen stroke put in place by the Distance Judgment sliding block mechanism that falls of detection dress powder height adjusting nut.
5. powder former snap gauge automatic protecting method according to claim 4, it is characterized in that: further, the described detector falling stroke for the sliding block mechanism detecting mould is range finder, range finder is arranged on support, be positioned at the below of dress powder height adjusting nut, when fill powder height adjusting nut press press down slide block drive dress powder height adjusting nut down to move time, by by a transmission mechanism, the distance that dress powder height adjusting nut falls is passed to range finder, only after dress powder height adjusting nut falls completely, range finder just disconnects.
6. one kind realizes the powder former snap gauge automatic safety device of powder former snap gauge automatic protecting method described in claim 1, it is characterized in that: between the moving-member and any fixed part of press of press feed mechanism, the filler sniffer whether a detection press is in filler state is installed; Simultaneously between the moving-member and any fixed part of press of press demoulding mechanism, the demoulding sniffer whether mould emptier being provided with a detection press throws off completely; And adopt the signal of telecommunication to be transported to press control system the situation of two detection, snap gauge control module is provided with in press control system, differentiated by the signal of telecommunication of snap gauge control module to two detection, and control according to the situation differentiated.
7. powder former snap gauge automatic safety device according to claim 6; it is characterized in that: described filler sniffer is arranged between the down-pressed pole of press and support; wherein the probe of sniffer is arranged on support; near the position of probe, induction installation is installed at down-pressed pole; induction installation moves up and down with down-pressed pole and moves together; the situation that probe moves up and down according to induction installation sends the different signals of telecommunication; and the signal of telecommunication is sent into the snap gauge control module of press control device, the differentiation of whether snap gauge is carried out for control system.
8. powder former snap gauge automatic safety device according to claim 6, it is characterized in that: described demoulding sniffer is arranged on press sliding block and fills between powder height adjusting nut and support, wherein the probe of demoulding sniffer is arranged on support, the ranging mechanism that an induction dress powder height adjusting nut moves up and down state is provided with below dress powder height adjusting nut, ranging mechanism with dress powder height adjusting nut move up and down and mobile, ranging mechanism is together with the probe contacts of demoulding sniffer simultaneously, the different signals of telecommunication is sent by the probe moving up and down demoulding sniffer of ranging mechanism, and the signal of telecommunication is sent into the snap gauge control module of press control device, the differentiation of whether snap gauge is carried out for control system.
9. powder former snap gauge automatic safety device according to claim 6, it is characterized in that: described filler sniffer is magnetic induction sniffer, the magnetic induction switch of magnetic induction sniffer is arranged on support, be provided with a magnetic induction block at down-pressed pole near the position of magnetic induction switch, magnetic induction block together moves up and down with down-pressed pole; When down-pressed pole moves down the position of magnetic induction switch, magnetic induction block will cause magnetic induction switch action, change the state of magnetic induction switch, and changed state is sent to control system as electronic signals.
10. powder former snap gauge automatic safety device according to claim 6, it is characterized in that: described demoulding sniffer is range-measurement system, what the range switch of range-measurement system was arranged on support moves up and down on the plain bearing housing of main shaft, range switch contact by conduction mechanism lower surface with dress powder height adjusting nut, and by conduction mechanism respond to fill powder height adjusting nut fall situation, when filling powder height adjusting nut and falling completely, range switch will be disconnected, and represent that mould falls, described conduction mechanism is post rod mechanism, the push rod of post rod mechanism moves up and down through support the plain bearing housing of main shaft, withstand on the lower surface of dress powder height adjusting nut, push rod bottom is " L " shape, the flanging of push rod lower end bending is provided with and ensures that push rod withstands the spring of the lower surface of dress powder height adjusting nut all the time, flanging is provided with range switch contact, when dress powder height adjusting nut drops to the degree that mould separating completes, range switch contact on flanging will disconnect with range switch, and send the signal of telecommunication by range switch, after the signal of telecommunication is fed to control system, to again pass a judgement.
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| CN112123852B (en) * | 2020-08-12 | 2022-02-22 | 肇庆北新建材有限公司 | Card formula fossil fragments punch press feeder induction system |
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| JPH1147987A (en) * | 1997-07-31 | 1999-02-23 | Aida Eng Ltd | Sticking release device of screw press |
| CN201921970U (en) * | 2011-01-18 | 2011-08-10 | 浙江东瑞机械工业有限公司 | Ejection device of cold heading machine |
| CN202062693U (en) * | 2011-04-21 | 2011-12-07 | 扬州锻压机床集团有限公司 | Mould jamming releasing device |
| CN102358055B (en) * | 2011-07-15 | 2013-11-20 | 中国科学院宁波材料技术与工程研究所 | Continuous hydraulic forming equipment and automatic control method thereof |
| JP5683439B2 (en) * | 2011-11-22 | 2015-03-11 | アイダエンジニアリング株式会社 | Stick release device for press machine |
| CN203125818U (en) * | 2013-02-16 | 2013-08-14 | 长春富维—江森自控汽车饰件系统有限公司 | Lock and safety protection mechanism of mould and powder material box of slush molding machine |
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2013
- 2013-09-28 CN CN201310448662.0A patent/CN103507294B/en active Active
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| CN103507294A (en) | 2014-01-15 |
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Denomination of invention: Method and device for automatic protection of powder forming machine clamping die Effective date of registration: 20230828 Granted publication date: 20150715 Pledgee: Zhuzhou branch of China Post Savings Bank Co.,Ltd. Pledgor: ZHUZHOU MINGRI CEMENTED CARBIDE Co.,Ltd. Registration number: Y2023980054082 |