CN110385367A - Mold breaks red needle automatic monitoring control system - Google Patents
Mold breaks red needle automatic monitoring control system Download PDFInfo
- Publication number
- CN110385367A CN110385367A CN201910570858.4A CN201910570858A CN110385367A CN 110385367 A CN110385367 A CN 110385367A CN 201910570858 A CN201910570858 A CN 201910570858A CN 110385367 A CN110385367 A CN 110385367A
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- mold
- red needle
- control system
- relay
- press machine
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 55
- 238000013459 approach Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 33
- 239000000047 product Substances 0.000 description 10
- 238000004080 punching Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Punching Or Piercing (AREA)
Abstract
A kind of mold of the present invention breaks red needle automatic monitoring control system, it includes die module, monitoring modular and press machine and PLC control system, the die module is connect by monitoring modular with press machine and PLC control system, the die module includes several mold red needles, the monitoring modular includes power supply, signal input port, signal output port and relay unit, the monitored place of each mold red needle is connected with corresponding signal input port, the power supply, mold red needle, signal input port and relay unit form closed circuit, it is connect after the output port series connection of all relay units with signal output port, and it is connected to press machine and PLC control system, form a closed circuit.The present invention realizes the disconnected red needle exception of automation real-time monitoring mold and timely feedbacks disconnected red needle signal, improves production efficiency, reduces production cost.
Description
Technical field
The present invention relates to a kind of mold protector more particularly to a kind of disconnected red needle automatic monitoring control systems of mold, belong to
Control technology field is protected in mold.
Background technique
In terms of modernizing the punching press in mould industry, forging and stamping, fine production, different degrees of realizes semi-automation
Or it is full-automatic.Procedure for producing is gradually turned to unmanned factory's automated production mode from the people intensive Industry Model of early stage
Type；Turned in terms of the high-accuracy progressive die even Large Scale and Continuous mould, multi-station manipulator transmission mould from simple and crude single engineering mold
Become；Operation is tracked to optical, mechanical and electronic integration automatic monitoring technology upgrading from production operators visualizing.As a result, also automatic
Change monitoring control technology field to mention each sport technique segment of mold design, processing, manufacture or even industrial automation production upgrading
Severeer requirement and challenge are gone out.
For the needs for answering the high-speed automated production of mould punching, general mold practitioner can design installation on mold
Numerous optical, mechanical and electronic integration induction monitoring control systems, such as common progressive die misdelivery material monitoring device, electronic die industry are logical
The press machines such as the automation discharging photoelectric induction device of bottom dead centre checking device, multi-station manipulator transmission mould and the progressive die
Periphery ancillary equipment, to monitor the instantaneous operating conditions of press machine and mold automatically, it is ensured that the stabilization of automated production link can
By operation, and it is expected to feed back to lathe PLC to control by monitoring signals in time when unusual service condition occur in press machine or mold and be
System is timely responded to and is realized quick shutdown, is simultaneously emitted by sound and light alarm signal with alert device operator and mold personnel
Maintenance in time avoids large batch of product is bad, manufacturing scrap, mold are broken, quick-fried mould, equipment damage and personnel's disability
Etc. major accidents occur, economic loss is preferably minimized limit.
It is especially some thick material piercing dies, continuous but for punching press, forging, fine industry automation production system
Disconnected punching easily occurs for the industrial enterprise of the high speeds automated productions such as mould, high-strength steel part stamping die, multistation transmission mould, thick material punching
Needle problem, for rushing aperture on some thick materials, red needle is processed the tensile strength of plate, resistance to compression because its own intensity is weak
Intensity and anti-impact cut intensity it is all very big in the case where, fractureing for red needle happens occasionally with drawing crack.Meanwhile in some discontinuity
Or the drawing die of the automobile panel that generates lateral tensile stress, compression etc. and should complicate, integer mould, trimming and piercing die rush it is small
Hole process, red needle are more also easy to produce frequent stress and fracture or break because force status is complicated and changeable.And the red needle of above situation
Fracture has sizable randomness and sporadic, can not prejudge which red needle can break under what period, what operating condition in advance
Fall, or even unpredictable fracture occurs within the red needle normal design service life.Because mold breaks red needle not by producing line personnel in production
Discovery in time, the red needle fallen directly contribute the generation that template breaks even quick-fried mould, and mold repair or recasting cost are costly.
Meanwhile because hundreds and thousands of pressing product semi-finished product leakage punchings are bad undiscovered and flowed to downstream host factory client's producing line
General assembly is just apprised of when producing, then a large amount of human and material resources is spent to go bulk do over again.Problem above is looked forward to punching production
Industry and general assembly user rs host factory cause extremely important economic loss and order form delivery time loss of delay, more seriously some
Semi-finished product are directly scrapped because that can not reprocess.
Currently, in response to the above problems, existing solution is: first periodically being tieed up by mold repair personnel to mold
It protects, the red needle for being likely to occur potential break hidden danger is replaced in advance, shift to an earlier date by the gross more in not up to red needle projected life
It changes, causes many red needle consumptive materials are premature to scrap in advance, be unable to fully generate serious waste using its proper value, i.e.,
Just in this way, be still unable to ensure replacement after new red needle when, what operating condition unpredictable fracture can occur；Second it is
After mold red needle is broken and is found by producing line patrol officer, artificially manipulates whole automatic production line and shut down, then arrange mold
Maintenance personal gives demoulding and overhauls and replace the red needle of fracture, the template broken etc., picks out because leakage punching or mold are broken
And scrap in product stamping parts, also had resulted at this time product stamping parts it is bulk it is bad, scrap, mold is broken, is pressed
The fact that power machine is broken, more have very irreversible damage may be caused to press equipment hardware itself, produce
Cost allowance is great.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of disconnected red needle automatic monitoring control systems of mold, mention
For a kind of control system realized the disconnected red needle exception of automation real-time monitoring mold and timely feedback disconnected red needle signal, mold is promoted
The production efficiency of punching press industry reduces production cost, increases social benefit.
The object of the present invention is achieved like this:
A kind of disconnected red needle automatic monitoring control system of mold, it includes die module, monitoring modular and press machine and PLC control
System, the die module are connect by monitoring modular with press machine and PLC control system, and the die module includes several
Mold red needle, the monitoring modular include power supply, signal input port, signal output port and relay unit, Mei Gemo
Have red needle monitored place with corresponding signal input port connect, the power supply, mold red needle, signal input port and
Relay unit forms closed circuit, connect after the output port series connection of all relay units with signal output port, and
It is connected to press machine and PLC control system, forms a closed circuit.
A kind of disconnected red needle automatic monitoring control system of mold, the monitoring modular are hung on press machine periphery outside and make outside equipment
If electrical equipment, it include independent power supply, signal input port, signal output port and entity relay unit, PLC it is soft after
Electric appliance unit.
A kind of disconnected red needle automatic monitoring control system of mold, the monitoring modular are built in press machine PLC control system
Major loop inside, share PLC logic software relay, provide die module disconnected red needle information collection input port and
The output port of PLC logic relay.
A kind of disconnected red needle automatic monitoring control system of mold, the relay unit are interior short by relay and signal input
Connect switch in parallel.
A kind of disconnected red needle automatic monitoring control system of mold, the monitored place of each mold red needle is equipped with close to switch
Sensor module is connected with corresponding signal input port.
The top shoe of press machine is arranged in under in a kind of disconnected red needle automatic monitoring control system of mold, the die module
Between table top.
A kind of disconnected red needle automatic monitoring control system of mold, the die module includes upper die holder, mold red needle, red needle
Fixed plate, baffle plate, stripper, concave template, lower bolster and lower die holder, the upper die holder are arranged below top shoe, it is described on
The underrun fixed plate of die holder is provided with several mold red needles, and the upper and lower part of mold red needle is easily broken off, the mould
It is provided with baffle plate in the middle part of tool red needle, lower part is provided with stripper；Lower die holder, the lower die holder are provided on the following table
On be provided with lower bolster, be provided with concave template on the lower bolster.
Compared with prior art, the beneficial effects of the present invention are:
(1) the disconnected red needle situation of automatic monitoring mold of the present invention, and trigger protection is timely responded to and implements, the one of disconnected red needle
Moment can feedback and control entire mechanized production system emergency stop, and mechanized production system after the disconnected red needle of mold is avoided to lose prison
Survey still continues to run in spite of illness, cause subsequent pressing product it is bulk it is bad, scrap, break template, quick-fried mould, break press equipment
Great production accident occur, accident caused by disconnected red needle exception can be prevented controllably, improving product quality and production efficiency, reduction
Defective products loss from spoilage and mold, equipment damage bring huge economic losses increase productivity effect.
(2) present invention gives full play to the design maximum service life of mold red needle, and reduction is replaced because of the frequent maintenance of mold and in advance
Being maximized using time and projected life for red needle is reduced the red needle replacement within projected life time by the cost allowance of red needle
Number reduces the maintenance maintenance expense of mold, promotes product competitiveness.
(3) present invention it is versatile, can be flexibly applied to various punching presses, forging and stamping, fine industry multiple kinds of molds structure, no
It is limited by industry and product category, red needle and sensor module is designed to an independent closed control loop in a mold,
The automated production process monitoring control of entire press production line, production efficiency and economic benefit can be realized through the invention
It is promoted obviously, so that mold is stopped economic loss caused by line extremely can be preferably minimized.
Detailed description of the invention
Fig. 1 is the schematic illustration under normal condition of the invention.
Fig. 2 is the schematic illustration under abnormality of the invention.
Fig. 3 is the structural schematic diagram of monitoring modular of the invention.
Wherein:
Die module 1, upper die holder 1.1, mold red needle 1.2, approach switch sensor mould group 1.3, fixed plate 1.4, baffle plate
1.5, stripper 1.6, concave template 1.7, lower bolster 1.8, lower die holder 1.9, monitoring modular 2, signal input part power supply mould group 2.1,
Signal acquisition relay mould group 2.2, signal acquisition Terminals Die group 2.3, signal input shorting switch 2.4, signal output relay
Mould group 2.5, signal output end power supply mould group 2.6, press machine and PLC control system 3, top shoe 3.1, following table 3.2.
Specific embodiment
Embodiment 1:
Referring to Fig. 1-3, a kind of disconnected red needle automatic monitoring control system of mold of the present invention, it includes die module 1, prison
It surveys module 2 and press machine and PLC control system 3, the die module 1 is connect with monitoring modular 2, the monitoring modular 2 and pressure
Power machine and PLC control system 3 connect.
The die module 1 is arranged between the top shoe 3.1 of press machine and following table 3.2, and the die module 1 includes
Upper die holder 1.1, mold red needle 1.2, approach switch sensor mould group 1.3, red needle fixed plate 1.4, baffle plate 1.5, stripper
1.6, concave template 1.7, lower bolster 1.8 and lower die holder 1.9, the upper die holder 1.1 are arranged below top shoe 3.1, the upper mold
The underrun fixed plate 1.4 of seat 1.1 is provided with several mold red needles 1.2, and the upper and lower part of the mold red needle 1.2 is equal
Equipped with an approach switch sensor mould group 1.3, the upper and lower part of mold red needle 1.2 is easily broken off, the mold red needle 1.2
Middle part be provided with baffle plate 1.5, lower part is provided with stripper 1.6；Lower die holder 1.9 is provided on the following table 3.2, it is described
It is provided with lower bolster 1.8 on lower die holder 1.9, is provided with concave template 1.7 on the lower bolster 1.8.
The press machine and PLC control system 3 include PLC and all soft and hardware control system units, soft, hardware relay
Top shoe 3.1, the following table 3.2 of device and main motor electrical circuit unit and press machine.
The monitoring modular 2 includes signal input part power supply mould group 2.1, signal acquisition relay mould group 2.2, signal acquisition
Terminals Die group 2.3, signal input shorting switch 2.4, signal output relay mould group 2.5 and signal output end power supply mould group 2.6,
The cathode of the signal input part power supply mould group 2.1 is connect with the upper die holder 1.1 of die module 1, each approach switch sensor
Mould group 1.3 accesses signal input part power supply after signal acquisition Terminals Die group 2.3 is connect with signal output relay mould group 2.5
The anode of mould group 2.1 forms an electrical circuit unit, the corresponding signal output of each approach switch sensor mould group 1.3
The output port of relay mould group 2.5, the signal output relay mould group 2.5 is connected in series, with signal output end power supply mould
2.6 connection of group forms a closed circuit, and is connected to press machine and PLC control system 3.
It is in the signal output relay mould group 2.5 that relay and signal input shorting switch 2.4 is in parallel, the signal
Output relay mould group 2.5 is connect with signal lamp.
Working principle:
The monitoring modular is as press machine periphery is hung on outside an independent peripheral product, as the attached with suit of press machine
Standby, the monitoring modular includes power supply and transformer mould group, and certain the soft of feeder number, hardware relay are constituted, and by defeated
Enter signal and output signal port and realizes that the acquisition of electric signal data is handed over the PLC control system of die module and press machine respectively
It changes.For carrying out Real-time Feedback from the collected disconnected red needle signal of die module, then with the electrical original of light current flow control heavy current
Reason carries out system control to relay, connects press machine control circuit with the output port of relay, by live signal connection or
Control pressure owner motor operations circuit is disconnected, to realize the automated production process real-time monitoring control to entire press equipment
System.
In the normal situation of all red needles, sensor and input end signal acquisition relay mould group are formed by closure
Circuit can just be connected, and mechanized production system could maintain to operate normally.
When the mold red needle has it is any one or more broken when, close to switch corresponding to the broken mold red needle
Sensor can open circuit, the input end signal acquisition relay circuit of connection can synchronize power-off, the output end of relay by and
When open circuit, cause output relay circuit to interrupt, and by this signal feedback to press machine PLC system control loop, control
The entity relay output end mouth open circuit of circuit driving, and then the contactor power loss of pressure owner's motor is disconnected, motor stops
Sound and light alarm signal is also shut down in time and issued to operating, entire automatic production line, until mold service personnel replaces red needle
And after repairing mould, system is restarted again, and the mechanized production system of entire press equipment can just start again at operating.
Embodiment 2:
Referring to Fig. 1-3, a kind of disconnected red needle automatic monitoring control system of mold of the present invention, unlike the first embodiment,
Monitoring modular is built in inside the major loop of press machine PLC control system as a system control unit, and shared PLC's patrols
Software relay is collected, the output port of disconnected the red needle information collection input port and PLC logic relay of die module is provided.
Working principle:
The monitoring modular is built in the PLC control system of press machine as an independent module, share PLC is soft, hardware after
Electric appliance, and provide the output port of disconnected the red needle signal acquisition input port and relay of die module, the unit is for from mould
The collected disconnected red needle signal of lamps structure module carries out Real-time Feedback, then with the electrical principle of light current flow control heavy current to relay
Device carries out system control, connects press machine control circuit with the output port of relay, is switched on or switched off control by live signal
Pressure owner's motor operations circuit, to realize the automated production process real-time inspection and control to entire press equipment.
Monitored red needle in need pass through approach switch sensor mould group as input signal acquisition elements, mold
One approach switch sensor is at least set in red needle and connects the input relay port of corresponding feeder number, until being rushed all
Needle is all turned on to each input relay port.The internal circuit of the device can automatically by all input signal circuits after
Electrical output terminal mouth is connected in series, and to drive output relay to work normally, the output port signal of output relay connects
The PLC control system module of press machine is passed to, press machine or even entire mechanized production system can just operate normally.
When wherein monitored any red needle is broken, corresponding to approach switch sensor will be breaking, connect
Logical input signal acquisition relay power-off, leads to its output port line interruption.Output relay driving circuit sync break,
Can not work normally, the press machine PLC system control loop that the output port of the output relay is connected also by sync break,
Finally pressure owner's motor is made to shut down, entire automatic production line also shuts down in time and issues sound and light alarm signal.Until
After red needle is replaced and restarts system again by mold service personnel, the mechanized production system of entire press equipment just can be again
It starts running.
Can according to require the input signal for designing unlimited number of circuit acquisition relay with control it is unlimited number of need by
The red needle sensor of monitoring can be equipped with the disconnected red needle automatic monitoring control system dress of mold of corresponding circuit number according to oneself requirement
It is placed on press machine or mold.When mold break red needle automatic monitoring control system device relay circuit number it is excessive, and mould
When needing monitored red needle quantity again less in tool, setting signal input shorting switch 04 carries out being shorted corresponding vacant input
The output port of signal relay guarantees that its output port will form the electric loop of a closure, drives output relay
It works normally, it is ensured that the normal operation of press machine or even entire mechanized production system.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (7)
- The red needle automatic monitoring control system 1. a kind of mold breaks, it is characterised in that: it includes die module (1), monitoring modular (2) and press machine and PLC control system (3), the die module (1) are by monitoring modular (2) and the control of press machine and PLC System (3) connection；The die module (1) includes several mold red needles (1.2), and the monitoring modular (2) includes power supply, signal Input port, signal output port and relay unit, the monitored place of each mold red needle (1.2) with corresponding signal Input port connection, the power supply, mold red needle (1.2), signal input port and relay unit form closed circuit, institute It is connect after the output port series connection of some relay units with signal output port, and is connected to press machine and PLC control system (3), a closed circuit is formed.
- The red needle automatic monitoring control system 2. a kind of mold according to claim 1 breaks, it is characterised in that: the monitoring Press machine periphery is hung on outside module (2) and makees equipment peripheral hardware electrical equipment, it includes independent power supply, signal input port, signal Output port and entity relay unit, PLC soft relay unit.
- The red needle automatic monitoring control system 3. a kind of mold according to claim 1 breaks, it is characterised in that: the monitoring Module (2) is built in inside the major loop of press machine PLC control system, is shared the logic software relay of PLC, is provided mold mould The output port of disconnected the red needle information collection input port and PLC logic relay of block (1).
- The red needle automatic monitoring control system 4. a kind of mold according to claim 1 breaks, it is characterised in that: the relay It is in device unit that relay and signal input shorting switch (2.4) is in parallel.
- The red needle automatic monitoring control system 5. a kind of mold according to claim 1 breaks, it is characterised in that: each mold The monitored place of red needle (1.2) is equipped with approach switch sensor mould group (1.3) and connects with corresponding signal input port.
- The red needle automatic monitoring control system 6. a kind of mold according to claim 1 breaks, it is characterised in that: the mold Module (1) is arranged between the top shoe (3.1) of press machine and following table (3.2).
- The red needle automatic monitoring control system 7. a kind of mold according to claim 1 breaks, it is characterised in that: the mold Module (1) further includes upper die holder (1.1), fixed plate (1.4), baffle plate (1.5), stripper (1.6), concave template (1.7), underlay Plate (1.8) and lower die holder (1.9), upper die holder (1.1) setting is below top shoe (3.1), the bottom of the upper die holder (1.1) Face is provided with several mold red needles (1.2) by fixed plate (1.4), and the upper and lower part of mold red needle (1.2) is easily broken off, It is provided with baffle plate (1.5) in the middle part of the mold red needle (1.2), lower part is provided with stripper (1.6)；The following table (3.2) it is provided on lower die holder (1.9), is provided with lower bolster (1.8) on the lower die holder (1.9), on the lower bolster (1.8) It is provided with concave template (1.7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570858.4A CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570858.4A CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
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| Publication Number | Publication Date |
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| CN110385367A true CN110385367A (en) | 2019-10-29 |
| CN110385367B CN110385367B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910570858.4A Active CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135176A1 (en) * | 2019-12-31 | 2021-07-08 | 青岛海尔工业智能研究院有限公司 | Mold smart terminal |
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- 2019-06-28 CN CN201910570858.4A patent/CN110385367B/en active Active
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|---|---|---|---|---|
| CN200945718Y (en) * | 2006-05-26 | 2007-09-12 | 江苏扬力集团有限公司 | Cam safety control system of pneumatic press |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135176A1 (en) * | 2019-12-31 | 2021-07-08 | 青岛海尔工业智能研究院有限公司 | Mold smart terminal |
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| Publication number | Publication date |
|---|---|
| CN110385367B (en) | 2024-05-31 |
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