CN109500336A - A kind of operation detecting method of Single arm - Google Patents
A kind of operation detecting method of Single arm Download PDFInfo
- Publication number
- CN109500336A CN109500336A CN201811486666.7A CN201811486666A CN109500336A CN 109500336 A CN109500336 A CN 109500336A CN 201811486666 A CN201811486666 A CN 201811486666A CN 109500336 A CN109500336 A CN 109500336A
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- CN
- China
- Prior art keywords
- flow
- single arm
- programmable controller
- tup
- plc programmable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005242 forging Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 20
- 238000005259 measurement Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/46—Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of operation detecting method of Single arm.PLC programmable controller compared with flow in the unit time in the pipeline that flow detector acquires, detects the speed of service of tup according to flow setting value；PLC programmable controller compared with flow in a period of time in the pipeline that flow detector acquires, detects the stroke (position) of tup according to flow setting value.The present invention has the unfailing performance and the degree of automation for improving forging hammer, and energy saving, improvement working environment improves forging precision, reduces raw materials consumption, promotes safety, digitlization and automatic capability.
Description
Technical field
The present invention relates to a kind of operation detecting methods of flat-die forging Single arm, more particularly to a kind of flow that passes through to supervise in real time
The Single arm tup speed of service, the detection method of stroke and position are surveyed, flow detection technical field is belonged to.
Background technique
Flat-die forging Single arm is to drive tup pair by motor drive hydraulic pump, then by hydraulic pump output power oil
The equipment that forging is forged, wherein half hydraulic electrohydraulic hammer rises tup by hydraulic power, gas chamber accumulation of energy simultaneously is hydraulic dynamic
Power release, tup sole mass and the superposition of gas chamber bounce, make tup downlink strike workpiece；Oil-to-oil electro-hydraulic hammer passes through hydraulic dynamic
Power rises tup, and hydraulic power and the superposition of tup sole mass make tup downlink strike workpiece, the tup speed of service is up to
9000mm/s, 100 times or more up to tup sole mass of striking capabilities.Above-mentioned flat-die forging Single arm has energy consumption because of it
Less, the advantages that hitting power is big, structure is simple, cheap, and by domestic and international extensive utilization.But this flat-die forging Single arm
There are drawbacks, such as: the tup speed of service, position etc. can not real-time detection, it is even more impossible to carry out effective intelligentized control method；Forging
Process can only be manually controlled by operator, it may be assumed that need repeatedly to stop the shape and size that hammer carries out manual measurement forging, then
The blow speed and forging drafts of tup, forming of such process in forging are manually adjusted by the experience of operator
In work step, it is often necessary to the size and shape requirement that can be only achieved forging be repeated several times, and operator is in entire measurement process
In must place oneself in the midst of and work in the close working environment of tup, the not only harm by thermal radiation and dust to human body,
And there are security risks for operating process, simultaneously because the pause delay that the operating process such as artificial measurement are formed, causes the energy to disappear
Consumption is big, production efficiency is low, forging precision is poor, equipment failure rate is high.
In order to change above-mentioned drawback, people have attempted to acquire by setting displacement sensor or industrial camera for many years
The real-time speed of tup, the size of position and forging, shape during forging, but adverse circumstances near tup due to restrict eventually
It can not implement, thus the problem that the operation of Single arm tup can not detect and control is only modern still unresolved.The speed of tup, stroke and
It is the basic reason for leading to not adjust in real time that position, which can not be detected, so that the production efficiency of forging process is difficult to be promoted, forging
Precision is difficult to improve, and automated production and intelligent control are difficult to realize.
Summary of the invention
In order to which the speed of service, stroke and the position to Single arm tup are measured in real time, the present invention provides a kind of electro-hydraulic
The operation detecting method of hammer realizes energy saving, improvement working environment, improves forging precision, reduce raw materials consumption, promote number
The purpose of word and automatization level.
The technical scheme is that a kind of operation detecting method of Single arm, including hydraulic power supply, Single arm hammer
Head, main hydraulic cylinder, flow detector and PLC programmable controller, the main hydraulic cylinder are asymmetric servo cylinder；Described
The list that Single arm tup is fixedly connected in the asymmetric servo cylinder goes out rod end, and the rodless cavity in asymmetric servo cylinder and
Rod chamber passes through pipeline respectively and is connected with the hydraulic power supply, it is characterised in that:
Flow detector, the flow detector and the PLC are set on the main hydraulic cylinder disengaging oil pipe line
Programmable controller electrical connection；Control valve is set on the main hydraulic cylinder pipeline, and the control valve can be compiled with the PLC
Speed, the stroke that Single arm tup is run are arranged according to different operating conditions for range controller electrical connection, the PLC programmable controller
With the corresponding relationship value of flow, the different operating conditions be forging specifications and models are identical or specifications and models are different or technique
It is required that different, the corresponding relationship value be the different operating condition lower ram speeds of service and the flow corresponding relationship list or
Person's tup runs stroke and the list of flow corresponding relationship；
The operation detecting method of the Single arm are as follows: PLC programmable controller is according to flow setting value and flow detector
Flow compares in the unit time in the pipeline of acquisition, detects the speed of service of Single arm tup；PLC programmable controller foundation
Flow setting value compared with flow in a period of time in the pipeline that flow detector acquires, detect Single arm tup stroke/
Position, preferred embodiment are as follows:
A, the oil inlet flow information in the flow detector acquisition pipeline on main hydraulic cylinder rodless cavity oil inlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the oil inlet flow information in the unit time
The speed that tup is run down, the oil inlet that PLC programmable controller is acquired according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run down；
B, the oil inlet flow information in the flow detector acquisition pipeline on main hydraulic cylinder rod chamber oil inlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the oil inlet flow information in the unit time
The speed that tup is run up, the oil inlet that PLC programmable controller is acquired according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run up；
C, the fuel-displaced flow information in the flow detector acquisition pipeline in main hydraulic cylinder rodless cavity oil outlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the fuel-displaced flow information in the unit time
The speed that tup is run up, PLC programmable controller acquire fuel-displaced according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run up；
D, the fuel-displaced flow information in the flow detector acquisition pipeline in main hydraulic cylinder rod chamber oil outlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the fuel-displaced flow information in the unit time
The speed that tup is run down, PLC programmable controller acquire fuel-displaced according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run down；
The flow information is the information of a flow detector acquisition or is the letter that multiple flow detectors acquire
Breath combination；
The flow detector is hydraulic pump type or hydraulic motor formula or flowmeter.
In some embodiments, the flow detector is arranged between hydraulic power supply and main hydraulic cylinder rodless cavity
Oil pipe line on.
In some embodiments, the flow detector is arranged between hydraulic power supply and main hydraulic cylinder rod chamber
Oil pipe line on.
In some embodiments, all disengaging oil pipe lines that main hydraulic cylinder is connected are arranged in the flow detector
On.
The present invention measures Single arm hammer by the flow information of disengaging main hydraulic cylinder hydraulic oil in the detection unit time indirectly
The speed of head operation measures Single arm tup by the flow information of disengaging main hydraulic cylinder hydraulic oil in detection a period of time indirectly
The stroke of operation and position.It, can be programmable by PLC when the speed of Single arm tup real time execution, stroke/position are detectable
Controller instruction control valve increases or reduces the flow in the unit time or in a period of time, realize adjust the tup speed of service or
The purpose of stroke and position in this time.
Detailed description of the invention
Attached drawing 1 is one schematic diagram of the embodiment of the present invention
Attached drawing 2 is two schematic diagram of the embodiment of the present invention.
In attached drawing: 1 being hydraulic power supply, 2 be electro-hydraulic proportional valve, 3 be solenoid valve, 4 be asymmetric servo cylinder, 5 be flow
Detection device, 6 be PLC programmable controller, 7 be tup.
Specific embodiment
Explanation is further explained to the present invention below in conjunction with attached drawing:
The rodless cavity and hydraulic power supply of asymmetric servo cylinder 4 is arranged in embodiment one, as shown in Fig. 1, flow detector 5
In 1 fluid pressure line being connected, and equipped with electro-hydraulic on the fluid pressure line that hydraulic power supply 1 is connected with flow detector 5
Proportioning valve 2, the right wing of electro-hydraulic proportional valve 2 are powered, and pressure oil is from 1 → electro-hydraulic proportional valve of hydraulic power supply, 2 → flow detector 5
The rodless cavity of → asymmetric servo cylinder 4, while solenoid valve 6 is powered in the open state, the pressure oil in rod chamber passes through pipeline
Into the rodless cavity of asymmetric servo cylinder 5.
The flow information that flow detector 5 acquires sends PLC programmable controller 6 to, when flow detector 5 acquires
Be flow information in the unit time, PLC programmable controller 8 passes through measurement in unit time flow value and in advance
The speed of setting corresponds to flow value and compares, and measures the speed of service of Single arm tup 7；When what flow detector 7 acquired is
Flow information in certain a period of time, PLC programmable controller 8 is by measuring the flow value in certain a period of time and setting in advance
The stroke set corresponds to flow value and compares, and measures stroke and the position of Single arm tup 7.
Embodiment two, as shown in Fig. 2, the rod chamber that asymmetric servo cylinder 5 is arranged in flow detector 5 are moved with hydraulic
In the fluid pressure line that power source 1 is connected, the left of electro-hydraulic proportional valve 2 is powered, and pressure oil is from 1 → electro-hydraulic proportional valve of hydraulic power supply
The rod chamber of 2 → flow detector, 5 → asymmetric servo cylinder 4, solenoid valve 6 are in an off state, the pressure oil in rodless cavity
Fuel tank is flowed back to by electro-hydraulic proportional valve 2.
PLC programmable controller 6 compared with setting value, is equally measured electro-hydraulic according to the measured value of flow detector 5
Hammer speed, stroke and the position of tup 7 into shape.
When the speed of 7 real time execution of Single arm tup, stroke/position are detectable, PLC programmable controller 8 can be passed through
Electromagnetic valve of instruction 6 increases or reduces the flow in the unit time or in a period of time, realizes and adjusts 7 speed of service of tup or the section
The purpose of stroke and position in time.
Claims (5)
1. a kind of operation detecting method of Single arm, including hydraulic power supply, Single arm tup, main hydraulic cylinder, flow detection dress
It sets and PLC programmable controller, the main hydraulic cylinder is asymmetric servo cylinder；The Single arm tup is fixedly connected on institute
The list in asymmetric servo cylinder stated goes out rod end, and rodless cavity in asymmetric servo cylinder and rod chamber pass through pipeline and institute respectively
The hydraulic power supply stated is connected, it is characterised in that:
Flow detector, the flow detector and the PLC are set on the main hydraulic cylinder disengaging oil pipe line
Programmable controller electrical connection；Control valve is set on the main hydraulic cylinder pipeline, and the control valve can be compiled with the PLC
Speed, the stroke that Single arm tup is run are arranged according to different operating conditions for range controller electrical connection, the PLC programmable controller
With the corresponding relationship value of flow, the different operating conditions be forging specifications and models are identical or specifications and models are different or technique
It is required that different, the corresponding relationship value be the different operating condition lower ram speeds of service and the flow corresponding relationship list or
Person's tup runs stroke and the list of flow corresponding relationship；
The operation detecting method of the Single arm are as follows: PLC programmable controller is according to flow setting value and flow detector
Flow compares in the unit time in the pipeline of acquisition, detects the speed of service of Single arm tup；PLC programmable controller foundation
Flow setting value compared with flow in a period of time in the pipeline that flow detector acquires, detect Single arm tup stroke/
Position, preferred embodiment are as follows:
A, the oil inlet flow information in the flow detector acquisition pipeline on main hydraulic cylinder rodless cavity oil inlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the oil inlet flow information in the unit time
The speed that tup is run down, the oil inlet that PLC programmable controller is acquired according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run down；
B, the oil inlet flow information in the flow detector acquisition pipeline on main hydraulic cylinder rod chamber oil inlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the oil inlet flow information in the unit time
The speed that tup is run up, the oil inlet that PLC programmable controller is acquired according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run up；
C, the fuel-displaced flow information in the flow detector acquisition pipeline in main hydraulic cylinder rodless cavity oil outlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the fuel-displaced flow information in the unit time
The speed that tup is run up, PLC programmable controller acquire fuel-displaced according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run up；
D, the fuel-displaced flow information in the flow detector acquisition pipeline in main hydraulic cylinder rod chamber oil outlet pipe is set, is passed
PLC programmable controller is given, PLC programmable controller measures Single arm according to the fuel-displaced flow information in the unit time
The speed that tup is run down, PLC programmable controller acquire fuel-displaced according to flow detector in a period of time in pipeline
Flow information measures stroke and position that Single arm tup is run down；
The flow information is the information of a flow detector acquisition or is the letter that multiple flow detectors acquire
Breath combination.
2. a kind of operation detecting method of Single arm according to claim 1, it is characterised in that: the flow detector
For hydraulic pump type or hydraulic motor formula or flowmeter.
3. a kind of operation detecting method of Single arm according to claim 1, it is characterised in that: the flow detection dress
It installs on the oil pipe line between hydraulic power supply and main hydraulic cylinder rodless cavity.
4. a kind of operation detecting method of Single arm according to claim 1, it is characterised in that: the flow detection dress
It installs on the oil pipe line between hydraulic power supply and main hydraulic cylinder rod chamber.
5. a kind of operation detecting method of Single arm according to claim 1, it is characterised in that: the flow detection dress
It installs on all disengaging oil pipe lines that main hydraulic cylinder is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486666.7A CN109500336B (en) | 2018-12-06 | 2018-12-06 | Operation detection method of electro-hydraulic hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486666.7A CN109500336B (en) | 2018-12-06 | 2018-12-06 | Operation detection method of electro-hydraulic hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109500336A true CN109500336A (en) | 2019-03-22 |
| CN109500336B CN109500336B (en) | 2020-03-13 |
Family
ID=65751708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811486666.7A Active CN109500336B (en) | 2018-12-06 | 2018-12-06 | Operation detection method of electro-hydraulic hammer |
Country Status (1)
| Country | Link |
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| CN (1) | CN109500336B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238206A (en) * | 2020-10-05 | 2021-01-19 | 中科聚信洁能热锻装备研发股份有限公司 | Program-controlled free forging hammer and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090277519A1 (en) * | 2008-05-06 | 2009-11-12 | Hr Textron, Inc. | Method and apparatus for controlling fluid flow rate characteristics of a valve assembly |
| CN103558406A (en) * | 2013-09-30 | 2014-02-05 | 江苏大学 | Measuring method for hammerhead speed of hydraulic forging hammer system based on soft instrument |
| CN103978139A (en) * | 2013-02-13 | 2014-08-13 | 许勒压力机有限责任公司 | Method for operating forging hammer |
| CN104889296A (en) * | 2014-03-05 | 2015-09-09 | 许勒压力机有限责任公司 | Forging hammer and method for operating forging hammer |
| CN105805065A (en) * | 2015-12-15 | 2016-07-27 | 重庆川仪自动化股份有限公司 | ESD valve electrohydraulic actuator with variable speed |
-
2018
- 2018-12-06 CN CN201811486666.7A patent/CN109500336B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090277519A1 (en) * | 2008-05-06 | 2009-11-12 | Hr Textron, Inc. | Method and apparatus for controlling fluid flow rate characteristics of a valve assembly |
| CN103978139A (en) * | 2013-02-13 | 2014-08-13 | 许勒压力机有限责任公司 | Method for operating forging hammer |
| CN103558406A (en) * | 2013-09-30 | 2014-02-05 | 江苏大学 | Measuring method for hammerhead speed of hydraulic forging hammer system based on soft instrument |
| CN104889296A (en) * | 2014-03-05 | 2015-09-09 | 许勒压力机有限责任公司 | Forging hammer and method for operating forging hammer |
| CN105805065A (en) * | 2015-12-15 | 2016-07-27 | 重庆川仪自动化股份有限公司 | ESD valve electrohydraulic actuator with variable speed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238206A (en) * | 2020-10-05 | 2021-01-19 | 中科聚信洁能热锻装备研发股份有限公司 | Program-controlled free forging hammer and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109500336B (en) | 2020-03-13 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190322 Assignee: ZHONGKEJUXIN CLEAN ENERGY & HOT FORGING EQUIPMENT RESEARCH AND DEVELOPMENT Co.,Ltd. Assignor: JIANGSU HUAWEI MACHINERY MANUFACTURING Co.,Ltd. Contract record no.: X2023980045715 Denomination of invention: A Method for Detecting the Operation of an Electrohydraulic Hammer Granted publication date: 20200313 License type: Common License Record date: 20231107 |
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| EE01 | Entry into force of recordation of patent licensing contract |