CN100513004C - Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering - Google Patents
Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering Download PDFInfo
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- CN100513004C CN100513004C CNB2006100161723A CN200610016172A CN100513004C CN 100513004 C CN100513004 C CN 100513004C CN B2006100161723 A CNB2006100161723 A CN B2006100161723A CN 200610016172 A CN200610016172 A CN 200610016172A CN 100513004 C CN100513004 C CN 100513004C
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Abstract
The present invention relates to a numerically-controlled forging hydraulic press capable of implementing automatic alignment of workpiece, belonging to the field of hydraulic press technology. It includes the following several portions: hydraulic press machine frame, movable transverse beam, working table, display, electric controller and power mechanism. Said electric controller can be used for controlling power mechanism to drive hydraulic press machine frame and movable transverse beam, and the electric controller is connected with the display. It is characterized by that on the working table a workpiece alignment cylinder is mounted, on the alignment cylinder a motion transducer is mounted, the alignment cylinder is connected with power mechanism, and the motion transducer is connected with electric controller.
Description
Technical field
The invention belongs to the hydraulic press technical field, particularly relate to a kind of numerically-controlled forging hydraulic press of realizing the workpiece automatic centering.
Background technology
At present, hydraulic press equipment is widely used in manufacturing every field as a kind of basic process equipment: industrial circles such as automobile, space flight, powder.Wherein hydraulic forging press is a new hydraulic press series that grew up gradually in recent years in numerous hydraulic press series.
Hydraulic forging press is because of processing work is generally the steel ingot titanium alloy etc materials, and adding all needs stock heating earlier man-hour, and temperature is generally 900--1200 ℃, to reduce the resistance to deformation resistance of material.The appearance and size maximum of workpiece can reach diameter 800mm, height 1500mm, and weight reaches several tons.Forging Technology is generally once flattens (pier is thick)--pre-punched hole-secondary flattening-whole punching.In the process of compacting, workpiece is moved unavoidably, departs from the center, and, because workpiece is bulky, quality lays particular stress on, in the process of material loading, also be difficult to workpiece is put into the technology center, this all needs the process of a workpiece centering, and workpiece is put into the technology center.
Traditional workpiece centering problem all is to be solved by hand by the operator, and is both dangerous, and accuracy of alignment also is difficult to guarantee, also has a strong impact on production efficiency simultaneously.
Summary of the invention
The present invention provides a kind of numerically-controlled forging hydraulic press of realizing the workpiece automatic centering for solving the problem that prior art exists.
The objective of the invention is to be provided with auxiliary body's device, guarantee that workpiece can automatic centering in the process of compacting, improve the machining accuracy and the work quality of workpiece, improve the production efficiency of numerically-controlled forging hydraulic press, and the security and the complete machine automatization level of operation.
Numerically-controlled forging hydraulic press of the present invention is provided with workpiece automatic centering mechanism, adjusts automatically to realize the location of workpiece.Because what realize is the position automatic centering, so what at first will gather is the position of two centering cylinders about centering body, therefore on the PLC of former hydraulic press programmable controller, increased high speed counting module, increase the centering control program, increased encoder collection position data and relevant auxiliary equipment.
Encoder is installed on the centering cylinder of numerically-controlled forging hydraulic press centering body, is connected in by shielding line on the high speed counting module of the PLC in the electric box.
Realize the numerically-controlled forging hydraulic press of workpiece automatic centering, form by hydraulic pressure frame, moved cross beam, workbench, centering body, electric controller.All places switching signals such as pressure, position, hydraulic press temperature height, oil circuit obstruction have been installed on the hydraulic press.Centering body is installed on the workbench, and displacement transducer is installed on the centering body.Displacement transducer is connected with control module.PLC is connected by the PROFIBUS-DP bus with display screen, realizes exchanges data, and shows with routine data and picture image form.
The present invention adopts following technical scheme:
Can realize the numerically-controlled forging hydraulic press of workpiece automatic centering, comprise hydraulic pressure frame, moved cross beam, workbench, display, controller and actuating unit, controller control actuating unit drives hydraulic pressure frame, moved cross beam, controller connects display, be characterized in: workpiece centering cylinder is installed on the workbench, on the centering cylinder displacement transducer is housed, the centering cylinder links to each other with actuating unit, and displacement transducer is connected with controller.
The present invention can also adopt following technical measures:
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering is characterized in: the centering cylinder is divided into left centering cylinder and right centering cylinder.
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering, be characterized in: left centering cylinder is connected oil pump with right centering cylinder through the control oil circuit, on the control oil circuit 3-position 4-way electromagnet, proportion directional valve, two four-way electromagnetic iron, overflow valve and pressure switches is housed.
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering is characterized in: displacement transducer is a rotary encoder, and rotary encoder is connected with controller by counting module.
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering is characterized in: controller is connected by the PROFIBUS-DP bus with display, realizes exchanges data.
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering is characterized in: display is a touch-screen, shows with routine data and picture image form.
The described numerically-controlled forging hydraulic press of realizing the workpiece automatic centering is characterized in: controller is the PLC Programmable Logic Controller.
Advantage that the present invention has and good effect:
Can realize the numerically-controlled forging hydraulic press of workpiece automatic centering, improved the production efficiency of large-sized numerical control hydraulic forging press greatly, product quality, and the security of operation, make complete machine have higher combination property, improve integrated automation level and industry production force level in the hydraulic forging press production process, provide new complete special plane kind for forging industry simultaneously.
Description of drawings
Fig. 1 is the numerically-controlled forging hydraulic press structural representation that can realize the workpiece automatic centering;
Fig. 2 is an automatic centering mechanism principle schematic diagram of the present invention;
Fig. 3 is the syndeton schematic diagram of RS422 encoder and high speed counting module.
Wherein, 1-travel switch, 2-rotary encoder, 3-left side centering cylinder, the right centering cylinder of 4-, 5-3-position 4-way electromagnet, 6-proportion directional valve, two four-way electromagnetic iron of 7-, 8-overflow valve, the 9-pressure switch, 10-oil pump, 11-motor, the 12-oil filter, 13-fuel tank, 14-3-position 4-way electromagnet, the 15-overflow valve, two four-way electromagnetic iron of 16-, 17-overflow valve, the 18-pressure switch, the 19-touch-screen, 20-PLC controller, 21-electric operation case, the 22-workpiece, the 23-workbench, 24-actuating unit, 25-high speed counting module.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, also be elaborated as follows in conjunction with the accompanying drawings especially exemplified by following example:
With reference to accompanying drawing 1, Fig. 2 and Fig. 3.
Can realize the numerically-controlled forging hydraulic press of workpiece automatic centering, comprise hydraulic pressure frame, moved cross beam, workbench 23, touch-screen 19, PLC controller 20 and actuating unit 24, controller control actuating unit drives hydraulic pressure frame, moved cross beam, PLC controller 20 connects touch-screen 19 by the PROFIBUS-DP bus, realizes exchanges data.Touch-screen 19 shows with routine data and picture image form.Workpiece centering cylinder is installed on the workbench 23, and the centering cylinder is divided into left centering cylinder 3 and right centering cylinder 4.Left side centering cylinder 3 is equipped with rotary encoder 2, on the right centering cylinder rotary encoder is housed.Rotary encoder is connected with PLC controller 20 by counting module.Left side centering cylinder and right centering cylinder are equipped with travel switch 1.Left side centering cylinder 3 connects oil pump 10 through the control oil circuit.3-position 4-way electromagnet 5, proportion directional valve 6, two four-way electromagnetic iron 7, overflow valve 8 and pressure switches 9 are equipped with in control on the oil circuit.Right centering cylinder 4 connects oil pump 10 through the control oil circuit.3-position 4-way electromagnet 14, two four-way electromagnetic iron 16, overflow valve 15,17 and pressure switches 18 are equipped with in control on the oil circuit.Oil pump 10 is driven by motor 11, is communicated with fuel tank 13 through oil filter 12.
The workpiece automatic centering mechanism that numerically-controlled forging hydraulic press is provided with adjusts automatically to realize the location of workpiece.Because the position automatic centering that realizes, so what at first will gather is the position of two centering cylinders about centering body, therefore on the PLC of former hydraulic press controller 20, increased FM350-1 high speed counting module 25, increased the centering control program, increased RS422 output type rotary encoder 2, collection position data and relevant auxiliary equipment.
PLC controller 20 and high speed counting module 25 are installed in the electric operation case 21.With reference to the connection layout 3 of RS422 rotary encoder 2 with high speed counting module 25.Rotary encoder is installed on the centering cylinder of numerically-controlled forging hydraulic press centering body, on the FM350-1 high speed counting module by the PLC controller in shielding line connection and the electric box.
Realize the numerically-controlled forging hydraulic press of workpiece automatic centering, pressure, position, hydraulic press temperature height, oil circuit obstruction, all places switching signal have been installed.The course of work is collected the beginning centering signal of numerically-controlled forging hydraulic press by the switching input module of PLC controller 20, PLC begins to carry out the centering program, left side centering cylinder data register is deposited the position data that is installed on numerically-controlled forging hydraulic press left side centering cylinder, the position data that right centering cylinder data register is deposited right centering cylinder.The data of two centering cylinders are by being installed on the rotary encoder on the centering body, collect the change in location of oil cylinder, what encoder was exported is pulse signal, operating personnel can't discern, high speed counting module can be with these signals OA1+, OA1-, OB1+, OB1-is transformed into data signal, be stored in the data register of PLC, show by touch-screen, touch-screen is installed on the electric operation case console panel, for operator's reference, the centering data register is deposited the former point data of centering, after the equipment assembling is finished, at first calculate the centering center of workpiece, its numerical value is input in the centering data register by touch-screen through meter.When starting centering program, to judge at first whether centering body is in the centering position, it at first is benchmark with the left side, by the mathematical operation instruction of PLC inside, obtain the position deviation of left centering cylinder 3 and right centering cylinder 4, the position deviation during both centerings is stored in the centering data register in advance, posting storage with the position deviation of left centering cylinder 3 and right centering cylinder 4 with the centering data compares, if less than, illustrating that workpiece takes back, need move right.PLC controller 20 sends the signal that moves right, drive installation is in the general electromagnet on the hydraulic press power station and two four-way electromagnetic iron 7YA1,3-position 4-way electromagnet 5YA3,3-position 4-way electromagnet 14YA6, proportion directional valve 6YAA (being installed on the actuating unit of hydraulic press), workpiece 22 is moved right, regulate the opening of proportioning valve, the flow of regulator solution pressing system can change the translational speed of hydraulic press centering body.Workpiece 22 is in the process that moves to right, PLC controller 20 detects the position of two centering cylinders in real time, when the position of two centering cylinders shows that workpiece is in the technology center, or in the error of centralization scope that allows the time, two four-way electromagnetic iron 7YA1,3-position 4-way electromagnet 5YA3,3-position 4-way electromagnet 14YA6, proportion directional valve 6YAA reset, the centering process finishes, and the PLC program is carried out next technological action; If PLC detects the location of workpiece and takes over, two four-way electromagnetic iron 7YA1,3-position 4-way electromagnet 5YA4,3-position 4-way electromagnet 14YA5, proportion directional valve 6YAA move, and workpiece will move to left, until workpiece centering.Realize the object of the invention.
Claims (7)
1. can realize the numerically-controlled forging hydraulic press of workpiece automatic centering, comprise hydraulic pressure frame, moved cross beam, workbench, display, controller and actuating unit, controller control actuating unit drives hydraulic pressure frame, moved cross beam, controller connects display, it is characterized in that: workpiece centering cylinder is installed on the workbench, on the centering cylinder displacement transducer is housed, the centering cylinder links to each other with actuating unit, and displacement transducer is connected with controller.
2. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 1 is characterized in that: the centering cylinder is divided into left centering cylinder and right centering cylinder.
3. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 2, it is characterized in that: left centering cylinder is connected oil pump with right centering cylinder through the control oil circuit, on the control oil circuit 3-position 4-way electromagnet, proportion directional valve, two four-way electromagnetic iron, overflow valve and pressure switches is housed.
4. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 1 is characterized in that: displacement transducer is a rotary encoder, and rotary encoder is connected with controller by counting module.
5. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 1 is characterized in that: controller is connected by the PROFIBUS-DP bus with display, realizes exchanges data.
6. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 1 is characterized in that: display is a touch-screen, shows with routine data and picture image form.
7. the numerically-controlled forging hydraulic press of realizing the workpiece automatic centering according to claim 1 is characterized in that: controller is the PLC Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100161723A CN100513004C (en) | 2006-10-19 | 2006-10-19 | Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100161723A CN100513004C (en) | 2006-10-19 | 2006-10-19 | Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101164718A CN101164718A (en) | 2008-04-23 |
| CN100513004C true CN100513004C (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100161723A Expired - Fee Related CN100513004C (en) | 2006-10-19 | 2006-10-19 | Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716778B (en) * | 2009-12-07 | 2011-09-28 | 苏州富士胶片映像机器有限公司 | High-precision shearing equipment for automatically detecting formed piece |
| CN108380804A (en) * | 2018-02-08 | 2018-08-10 | 燕山大学 | A kind of mechanically deform compensating control method of hydraulic forging press |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357449B (en) * | 2008-09-16 | 2012-12-05 | 无锡上机数控股份有限公司 | Workpiece automatic centering device |
| CN102189210B (en) * | 2011-05-16 | 2013-03-13 | 沈阳三重机械有限公司 | Automatic forging centering device |
| CN102700162B (en) * | 2012-05-28 | 2015-03-25 | 天津市天锻压力机有限公司 | Traveling worktable of girder hydraulic press, and control device of traveling worktable |
| CN102699251B (en) * | 2012-05-28 | 2015-01-28 | 天津市天锻压力机有限公司 | Large-stroke hydraulic forging press |
| CN103085314B (en) * | 2013-02-01 | 2016-02-03 | 合肥合锻机床股份有限公司 | The forcing press of double-moving worktable and mobile controller and control method are installed |
| CN103264133B (en) * | 2013-05-17 | 2016-06-08 | 天津市天锻压力机有限公司 | The centering of hydraulic forging press controls system |
| CN104416106A (en) * | 2013-09-06 | 2015-03-18 | 天津市天锻压力机有限公司 | Double-worktable control method of isothermal forging hydraulic machine |
| CN103744380A (en) * | 2013-12-26 | 2014-04-23 | 合肥海德数控液压设备有限公司 | A hydraulic equipment visualized information management system |
| CN104035377B (en) * | 2014-05-23 | 2018-04-27 | 北京航天发射技术研究所 | Large tube-like structural member automatic-posture-adjustment centering control system and control method |
| CN105215251B (en) * | 2014-06-20 | 2017-05-24 | 天津市天锻压力机有限公司 | Electric heating control system of pull rod of hydraulic forging press |
| CN105268890B (en) * | 2014-06-20 | 2017-07-14 | 天津市天锻压力机有限公司 | The pull bar heating pretension electrical system of isothermal forging hydropress |
| CN110052567A (en) * | 2018-01-18 | 2019-07-26 | 辽宁五一八内燃机配件有限公司 | A kind of large size forging part blank locator and its application method |
| CN109794934B (en) * | 2018-12-21 | 2020-11-24 | 太原重工股份有限公司 | Intelligent control method for rotation angle of manipulator |
| CN111451426B (en) * | 2020-04-09 | 2022-03-11 | 上海兰石重工机械有限公司 | Blank making hydraulic machine and double-punch flange blank making method |
| CN113205532B (en) * | 2021-05-06 | 2022-07-05 | 湖南协优易机械工业有限公司 | Forging and pressing equipment control device |
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|---|---|---|---|---|
| US3885411A (en) * | 1974-03-08 | 1975-05-27 | Culver Tool & Die Co | Machine press for forging bolts and the like |
| US5076083A (en) * | 1989-06-28 | 1991-12-31 | Yoshikazu Kuze | Device for performing press work in sequence |
| JP3121301U (en) * | 2006-01-31 | 2006-05-18 | 株式会社阪村機械製作所 | Punch mounting position detection device in forging machine |
-
2006
- 2006-10-19 CN CNB2006100161723A patent/CN100513004C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885411A (en) * | 1974-03-08 | 1975-05-27 | Culver Tool & Die Co | Machine press for forging bolts and the like |
| US5076083A (en) * | 1989-06-28 | 1991-12-31 | Yoshikazu Kuze | Device for performing press work in sequence |
| JP3121301U (en) * | 2006-01-31 | 2006-05-18 | 株式会社阪村機械製作所 | Punch mounting position detection device in forging machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716778B (en) * | 2009-12-07 | 2011-09-28 | 苏州富士胶片映像机器有限公司 | High-precision shearing equipment for automatically detecting formed piece |
| CN108380804A (en) * | 2018-02-08 | 2018-08-10 | 燕山大学 | A kind of mechanically deform compensating control method of hydraulic forging press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101164718A (en) | 2008-04-23 |
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Inventor after: Zhao Changhai Inventor after: Luo Ting Inventor after: Liu Linhai Inventor after: Li Xinshuang Inventor after: Wang Chunyu Inventor after: Yang Cang Inventor before: Yang Cang |
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Effective date of registration: 20170413 Address after: 300191 Nankai District Hongqi South Road, No. 251, Xinhua Park building, No. 1, No. Co-patentee after: Luo Ting Patentee after: Zhao Changhai Co-patentee after: Liu Linhai Co-patentee after: Li Xinshuang Co-patentee after: Wang Chunyu Address before: 300142 Hebei District Road, Tianjin, No. 70 Patentee before: Tianduan Press Co., Ltd., Tianjin City |
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Granted publication date: 20090715 Termination date: 20171019 |
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