CN101327666B - Method for protecting press forming mold and special protecting equipment thereof - Google Patents
Method for protecting press forming mold and special protecting equipment thereof Download PDFInfo
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- CN101327666B CN101327666B CN2008101408262A CN200810140826A CN101327666B CN 101327666 B CN101327666 B CN 101327666B CN 2008101408262 A CN2008101408262 A CN 2008101408262A CN 200810140826 A CN200810140826 A CN 200810140826A CN 101327666 B CN101327666 B CN 101327666B
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Abstract
The invention discloses a stamping die protection method and a special protection device thereof. In the method, a photoelectric detection mechanism is arranged between an upper die and a lower die of a punch, and a time period is selected as a detection window region. The position signals of every stroke are provided by a photoelectric encoder. When a punch pin is broken, pulled out and rolled up with materials, the light screen of the photoelectric detection mechanism is shielded. A control circuit sends out a control signal. The machine shutdown protection is finished by an actuator. A fault alarming indicator light is bright to form a perfect closed loop control system. The special device comprises the photoelectric detection mechanism, a detection probe, the photoelectric encoder, the control circuit and the actuator. The photoelectric detection mechanism is respectively arranged on the punch working platform on the two sides of a die through a stent. With the photoelectric detection mechanism adopted, the special protection device is provided with high sensitivity and high safety. With the control circuit and the actuator adopted for controlling, the special protection device has the advantages of good interference resistance, application to the punching work field environment, stable performance, high reliability and good social and economic benefits.
Description
One, technical field:
The present invention relates to a kind of protection of industrial mould, particularly relate to a kind of method for protecting press forming mold and special protecting equipment thereof.
Two, background technology:
The protection of current industrial mould mainly contains following four kinds of modes:
1, employing CCD camera imaging, the normal place of taking pictures photo, each stroke same position and standard comparison, after main frame calculation process, the contrast of branch plate, unusual circumstance is shut down and warning with regard to control appliance.Present this detection protected mode is only applicable to the mould protection of injection machine.
2, keypad formula protector: it is made up of the movable patrix clamping plate that is hanging, and travel switch is arranged on the plate, and when foreign matter existed, the mould protective device started, and this plate is raise, the contact of travel switch contact, and the slide block transmission stops at once.Its advantage is to control entire die safety dress space; but upper platen needs guiding; to prevent that eccentric load is big, equipment pressure is stuck when excessive; lose protective effect; and must add simultaneously when device fabrication, cost is very high, moreover the contact switch that adopts; easily lost efficacy in the contact, reliability is low.
3, the board-like protective device of key: the zone of action is on the moving element of gear ring pressing plate.Also be whether to lean on the switch element conducting, confirm to have or not foreign matter, and the control lathe.This kind device equally also adopts contact switch, and difficulty is installed.
4, touching protective device: slide block is during with little pressure quick-make, and arriving desired location does not have foreign matter, and master control system starts the normal pressure punching press, if there is foreign matter pressure to increase suddenly, master control system does not start does not carry out punching press.This device and the integrated manufacturing of equipment only are used for the hydraulic pressure essence towards equipment, and be inapplicable for high speed stamping equipment
More than four kinds of protection all can not be applicable to common, high speed stamping equipment, and cost height fractures to drift, situation such as rolls up on the material, can not detect and protect.
Three, summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, a kind of reasonable in design, simple in structure, highly sensitive and stable high method for protecting press forming mold and special protecting equipment thereof are provided.
The technical scheme that the present invention is taked for the technical solution problem is:
A kind of method for protecting press forming mold; between the upper and lower mould of punch press; and at a correct position above material; one photoelectric detection mechanism is installed; in punching course; set a period as required; as a detection window oral region; the position signalling of each stroke is provided by photoelectric encoder; regulate button and realize the detection window zone,, detect period generation punch press drift and fracture at the detection window oral region; extract with band on the volume situation; the light curtain of photoelectric detection mechanism is blocked; control circuit sends control signal, finishes the lathe stoppage protection by actuator, and the fault alarm indicator lamp is bright; whole system has realized the setting of detection window oral region; position probing; light curtain occlusion detection feedback; actuator is pressed command request control lathe, forms a kind of perfect closed-loop control system.
Described photoelectric detection mechanism adopts infrared unit segmentation and hierarchical control, and wherein, segmentation control realizes the control to infrared monitoring length distance, to adapt to different monitoring width; Hierarchical control realizes infrared emission is received row's control, to adapt to the requirement of different control sensitivity and precision.
The special protecting equipment of method for protecting press forming mold recited above, contain photoelectric detection mechanism, test probe, photoelectric encoder, control circuit and actuator, described photoelectric detection mechanism contains transmitter and receiver, described transmitter and receiver are installed on the punch press workbench of mould both sides respectively by support, described transmitter and receiver are on same plane, form the Photoelectric Detection plane, and this plane is a little more than the last plane towards material, described photoelectric detection mechanism, photoelectric encoder is connected with the input of described control circuit, and, the output of described control circuit is connected with punch control circuit by described actuator, and described punch control circuit is controlled the motion of punch press and stopped; Described photoelectric encoder is installed on the cam controller of punch press, as the position reference of punch press stroke; Described test control head is installed on below the transmitter of described photoelectric detection mechanism, is controlled by the control circuit test program.
Described support contains adjusts seat and fixed mount, the described lower end of adjusting seat is installed on the T type groove of punch press work top by bolt and T type fixed block, its upper end is connected with the lower end of described fixed mount is movable, described fixed mount can be raise and reduce, the upper end of described fixed mount is equipped with U type fixed head, and the transmitter or the receiver of described photoelectric detection mechanism is installed in the described U type fixed head.
Described fixed mount lower end and described adjustment seat upper end be spool and the axle sleeve type structure, and the two connects together, and can move mutually, and run through described axle sleeve and be provided with bolt; The upper end of the lower end of described fixed mount or adjustment seat is provided with graduation mark.
Be provided with rotating shaft between described U type fixed head and the described fixed mount, described U type fixed head can rotate around the axis, and the axis of described rotating shaft can carry out vertical or low-angle degree tilt adjustments with the axis of described fixed mount.
Moving range is in 160mm between described fixed mount and the described adjustment seat, and its running fix precision is 1mm.
Described test probe is installed on below the transmitter detection plane, is fixedly connected with U type fixed head; Described test probe can be finished the test of blocking to the light curtain by the stroke of small-sized cylinder realization 15mm.
The transmitter of described photoelectric detection mechanism is connected with described control circuit by the segmentation control module with receiver, realizes the control to infrared monitoring light curtain width, to adapt to different monitoring width requirements towards material; The transmitter of described photoelectric detection mechanism and receiver layering cross arrangement, and be connected with described control circuit by the hierarchical control unit, realize infrared emission is received row's control, to adapt to the requirements of different control sensitivity and precision.
The invention has the beneficial effects as follows: adopt photoelectric detection mechanism, its reaction sensitivity height, and photoelectric detection mechanism is outside mould, when the drift that patrix takes place came off or fails to break away from counterdie, punch press was finished stoppage protection before the mould closure, safe.Adopt staged and layered control in addition, anti-interference is good, and the precision height is suitable for the press work site environment, stable performance, reliability height.It is reasonable in design, simple in structure, is easy to promote, and has good society and economic benefit.
Four, description of drawings:
Fig. 1 is the frame principle figure of method for protecting press forming mold;
Fig. 2 is the user mode figure of special protecting equipment;
Fig. 3 is the structural representation of special protecting equipment;
Fig. 4 is the side view of special protecting equipment shown in Figure 3;
Fig. 5 is the connection layout of control module and peripheral circuit;
Fig. 6 receives the hierarchical control theory diagram for infrared emission;
Fig. 7 receives segmentation control principle block diagram for infrared emission;
Fig. 8 receives the principle of compositionality block diagram for infrared emission.
Five, the specific embodiment:
Embodiment: referring to Fig. 1～Fig. 8; among the figure; method for protecting press forming mold is: at the upper and lower mould 4 of punch press 1; between 5; and at a correct position above material 3; one photoelectric detection mechanism 2 is installed; in punching course; set a period as required; as a detection window oral region, provide the position signalling of each stroke by photoelectric encoder, regulate button and realize the detection window zone; at the detection window oral region; detecting period generation punch press 1 drift fractures; extract with band on the volume situation, the light curtain of photoelectric detection mechanism 2 is blocked, control circuit sends control signal; finish lathe 1 stoppage protection by actuator; the fault alarm indicator lamp is bright, and whole system has realized the setting of detection window oral region; position probing; light curtain occlusion detection feedback; actuator is pressed command request control lathe, forms a kind of perfect closed-loop control system.
The special protecting equipment of this method for protecting press forming mold contains photoelectric detection mechanism 2, test probe, photoelectric encoder, control circuit and actuator, photoelectric detection mechanism 2 contains transmitter and receiver, transmitter and receiver are installed on the punch press 1 of mould both sides respectively by support, transmitter and receiver are on same plane, form the Photoelectric Detection plane, and this plane is a little more than the last plane of counterdie 5, photoelectric detection mechanism 2, photoelectric encoder is connected with the input of control circuit, and, the output of control circuit is connected with punch control circuit by actuator, control circuit and actuator match with punch control circuit control punch press 1 motion and stop; Test probe 5-1 is installed on below the transmitter, is controlled by the control circuit test program, can carry out worker's Pretesting; Photoelectric encoder is installed on the cam controller of punch press 1, for control system provides the position signalling of equipment punching course, as the position reference of punch press stroke.Because of photoelectric encoder is a photosignal, its reliability height, long, the convenient adjusting of life-span.
Support contains adjusts seat 8 and fixed mount 10, the lower end of adjusting seat 8 is installed on the T type groove of punch press work top by bolt 7 and T type fixed block 6, its upper end is connected with the lower end of fixed mount 10 is movable, fixed mount 10 can be raise and reduce, the upper end of fixed mount 10 is equipped with U type fixed head 11, and the transmitter or the receiver 12 of photoelectric detection mechanism 2 is installed in the U type fixed head 11.
Fixed mount 10 lower ends and adjust seat 8 upper ends and be spool and the axle sleeve type structure, the two connects together, and can move mutually, and run through axle sleeve and be provided with bolt 9; The upper end of the lower end of fixed mount 10 or adjustment seat is provided with graduation mark.Fixed mount 10 lower ends are provided with spring 13.Be provided with rotating shaft between U type fixed head 11 and the fixed mount 10, U type fixed head 11 can rotate around the axis, and, the axis normal of the axis of rotating shaft and fixed mount 10.Can realize level and heavy straight the adjustment, the light curtain can be adjusted to level and inclination two states, can operate with practicality to strengthen.Moving range is in the 160mm between fixed mount 10 and the adjustment seat 8, and its running fix precision is 1mm.Test probe 5-1 is installed on below the transmitter detection plane, is fixedly connected with U type fixed head 11; Test probe 5-1 can finish the test of blocking to the light curtain by the stroke of small-sized cylinder realization 15mm.
The transmitter of photoelectric detection mechanism 2 is connected with control circuit by the segmentation control module with receiver, realizes the control of infrared monitoring light curtain width, to adapt to different monitoring width requirements towards material; In addition, the transmitter of photoelectric detection mechanism 2 and receiver layering cross arrangement, and be connected with control circuit by the hierarchical control unit, realize infrared emission is received row's control, to adapt to the requirements of different control sensitivity and precision.Photoelectric detection mechanism 2 is a kind of infrared photoelectric sensors, and its photophore device and sensitive device layering cross arrangement are convenient to regulate, workable, its detection resolution can reach 2.5mm, and response speed≤20ms can carry out adjusting in the scope to different material and the moulds of dashing.Be provided with from detecting mounting mechanism: after control is converted to the self check position, press the self check button after, self-checking unit will stretch out detection probe by the pre-set programs parameter request in the detection window period, the validity of checking system and reliability.Be in normal condition with system before the Authentication devices operation.
The mounting means that changes the concrete structure of support, the type that changes photoelectric detection mechanism and mounting means and change support and punch press can be formed a plurality of embodiment, is common excursion of the present invention, does not describe in detail one by one at this.
Claims (8)
1. method for protecting press forming mold; it is characterized in that: between the upper and lower mould of punch press; and at a correct position above material; one photoelectric detection mechanism is installed; in punching course; set a period as required; as a detection window oral region; the position signalling of each stroke is provided by photoelectric encoder; regulate button and realize the detection window zone,, detect period generation punch press drift and fracture at the detection window oral region; extract with band on the volume situation; the light curtain of photoelectric detection mechanism is blocked; control circuit sends control signal, finishes the lathe stoppage protection by actuator, and the fault alarm indicator lamp is bright; whole system has realized the setting of detection window oral region; position probing; light curtain occlusion detection feedback; actuator is pressed command request control lathe, forms a kind of perfect closed-loop control system.
2. method for protecting press forming mold according to claim 1 is characterized in that: described photoelectric detection mechanism adopts infrared unit segmentation and hierarchical control, and wherein, segmentation control realizes the control to infrared monitoring length distance, to adapt to different monitoring width; Hierarchical control realizes infrared emission is received row's control, to adapt to the requirement of different control sensitivity and precision.
3. the special protecting equipment of the described method for protecting press forming mold of claim 1, contain photoelectric detection mechanism, test probe, photoelectric encoder, control circuit and actuator, it is characterized in that: described photoelectric detection mechanism contains transmitter and receiver, described transmitter and receiver are installed on the punch press workbench of mould both sides respectively by support, described transmitter and receiver are on same plane, form the Photoelectric Detection plane, and this plane is a little more than the last plane towards material, described photoelectric detection mechanism, photoelectric encoder is connected with the input of described control circuit, and, the output of described control circuit is connected with punch control circuit by described actuator, and described punch control circuit is controlled the motion of punch press and stopped; Described photoelectric encoder is installed on the cam controller of punch press, as the position reference of punch press stroke; Described test control head is installed on below the transmitter of described photoelectric detection mechanism, is controlled by the control circuit test program.
4. according to the described special protecting equipment of claim 3; it is characterized in that: described support contains adjusts seat and fixed mount; the described lower end of adjusting seat is installed on the T type groove of punch press work top by bolt and T type fixed block; its upper end is connected with the lower end of described fixed mount is movable; described fixed mount can be raise and reduce; the upper end of described fixed mount is equipped with U type fixed head, and the transmitter or the receiver of described photoelectric detection mechanism is installed in the described U type fixed head.
5. according to the described special protecting equipment of claim 4, it is characterized in that: described fixed mount lower end and described adjustment seat upper end is axle and axle sleeve type structure, and the two connects together, and can move mutually, and runs through described axle sleeve and be provided with bolt; The upper end of the lower end of described fixed mount or adjustment seat is provided with graduation mark.
6. according to the described special protecting equipment of claim 5; it is characterized in that: be provided with rotating shaft between described U type fixed head and the described fixed mount; described U type fixed head can rotate around the axis, and the axis of described rotating shaft can carry out vertical or small angle inclination adjustment with the axis of described fixed mount.
7. according to the described special protecting equipment of claim 6, it is characterized in that: moving range is in the 160mm between described fixed mount and the described adjustment seat, and the running fix precision is 1mm.
8. according to the described special protecting equipment of claim 3, it is characterized in that: the transmitter of described photoelectric detection mechanism is connected with described control circuit by the segmentation control module with receiver, realization is to the control of infrared monitoring light curtain width, to adapt to different monitoring width requirements towards material; The transmitter of described photoelectric detection mechanism and receiver layering cross arrangement, and be connected with described control circuit by the hierarchical control unit, realize infrared emission is received row's control, to adapt to the requirements of different control sensitivity and precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101408262A CN101327666B (en) | 2008-07-28 | 2008-07-28 | Method for protecting press forming mold and special protecting equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101408262A CN101327666B (en) | 2008-07-28 | 2008-07-28 | Method for protecting press forming mold and special protecting equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101327666A CN101327666A (en) | 2008-12-24 |
| CN101327666B true CN101327666B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101408262A Expired - Fee Related CN101327666B (en) | 2008-07-28 | 2008-07-28 | Method for protecting press forming mold and special protecting equipment thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069417B (en) * | 2010-09-29 | 2013-06-26 | 惠州市大亚湾天马电子机械有限公司 | Wire harness crossed safety grating detection device |
| CN102773377B (en) * | 2011-05-13 | 2015-03-11 | 金丰机器工业股份有限公司 | Punch with monitoring system |
| CN103507409A (en) * | 2013-09-19 | 2014-01-15 | 安庆市康明纳包装有限公司 | Safety device of bag making machine die |
| CN105562552A (en) * | 2014-10-17 | 2016-05-11 | 无锡利博科技有限公司 | Punch device with limiting protection and alarm functions |
| CN107900139A (en) * | 2017-12-29 | 2018-04-13 | 北京简易科技有限公司 | A kind of press machine and strip bend detection method |
| CN112945143A (en) * | 2021-02-04 | 2021-06-11 | 汉斯夫(杭州)医学科技有限公司 | Modular assembly three-dimensional scanner |
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2008
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| CN101327666A (en) | 2008-12-24 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Haosheng Inventor after: Li Fusheng Inventor after: Li Wenxu Inventor after: Yao Wanfeng Inventor before: Ma Haosheng Inventor before: Li Fusheng Inventor before: Li Wenxu |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA HAOSHENG LI FUSHENG LI WENXU TO: MA HAOSHENG LI FUSHENG LI WENXU YAO WANFENG |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan North Xingguang Machinery & Electric Co., Ltd. Assignor: Henan Xingguang Machinery Manufacture Co., Ltd. Contract record no.: 2011410000122 Denomination of invention: Method for protecting press forming mold and special protecting equipment thereof Granted publication date: 20110803 License type: Exclusive License Open date: 20081224 Record date: 20110816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20140728 |
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| EXPY | Termination of patent right or utility model |