CN105864127A - Novel drawing machine control system - Google Patents

Novel drawing machine control system Download PDF

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Publication number
CN105864127A
CN105864127A CN201610300502.5A CN201610300502A CN105864127A CN 105864127 A CN105864127 A CN 105864127A CN 201610300502 A CN201610300502 A CN 201610300502A CN 105864127 A CN105864127 A CN 105864127A
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CN
China
Prior art keywords
control
disk
oil
valve
cylinder
Prior art date
Application number
CN201610300502.5A
Other languages
Chinese (zh)
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CN105864127B (en
Inventor
陈学仁
陈欣
谢君贤
叶序明
容先
Original Assignee
广东冠邦科技有限公司
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Priority to CN201610300502.5A priority Critical patent/CN105864127B/en
Publication of CN105864127A publication Critical patent/CN105864127A/en
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Publication of CN105864127B publication Critical patent/CN105864127B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0846Electrical details
    • F15B13/0864Signalling means, e.g. LEDs

Abstract

The invention provides a novel drawing machine control system which is simple in structure and stable and reliable in operation and can effectively guarantee normal operation of a drawing machine. The novel drawing machine control system comprises a first holding clamps cylinder and a second holding clamps cylinder, and further comprises a power source, a control valve group, a pressure regulation valve group and valve blocks, as well as a pressure oil pipe and an oil return pipe, wherein the power source consists of a hydraulic pump and an energy accumulator; front chambers and rear chambers of the first and second holding clamps cylinders are communicated with oil ports A and B of the corresponding control valve group via oil pipes and respectively controlled by the independent valve groups; and meanwhile, the novel drawing machine control system comprises proximity switches and signal detection disc devices. Compared with the prior art, the novel drawing machine control system adopting the technical scheme has the following effects: a, a spring cylinder replaces a backpressure wheel cylinder, and the hydraulic system adopts a single pump; b, proportional closed-loop control is not adopted, and the demand on the cleanliness of hydraulic oil is lowered; c, the holding clamps cylinders are pneumatically controlled, and tubes and oil leakage points are reduced; d, the cylinders are directly controlled electromagnetically, the control is simple and the system pressure is low; and e, the application and maintenance difficulties are reduced, and the maintenance cost is low.

Description

A kind of novel drawbench control system
Technical field
The present invention relates to drawbench equipment technical field, refer more particularly to a kind of novel drawbench control system.
Background technology
Drawbench its as a kind of process equipment, it is mainly made up of following structure: mair motor, reduction box, the end Seat, mainframe, main shaft, two double-track cams, radial cams, two draw trolleys, track, liquid Pressure station, track lubrication station, plunger case, parallel jaw cylinder etc..Mair motor passes through reduction box drive shaft, main Being provided with two double-track cams on axle, two double-track cams are installed phase 180 °, main shaft are also equipped with one Individual radial cams, there is certain phase relation in radial cams and double-track cam.Draw trolley is consolidated by underbody Fixed wheel and back pressure wheel are stuck on the work surface of double-track cam, and even both sides are passed through on slide plate trapped orbit, Ke Yiyan Slide, back pressure wheel can move, and (sees accompanying drawing 2 institute with oil cylinder press on double-track cam work surface Show).Mair motor is rotated by reduction box drive shaft, and double-track cam does in drawing direction with draw trolley Move back and forth.Having parallel jaw and parallel jaw oil cylinder on each dolly, the action of parallel jaw oil cylinder is by footpath Control to cam actuated plunger cylinder.
Seeing shown in accompanying drawing 1, existing drawbench hydraulic system thereon uses pumps in series to do the energy, high-pressure pump Controlling back pressure wheel cylinder circuit, passing ratio air relief valve and pressure transducer realize closed loop control, it is ensured that Back pressure wheel cylinder efficient pressure is constant.Draw pincers cylinder and embrace pincers cylinder section hydraulic system, the pressure come from system conveying Power oil, 1, its draw pincers cylinders, parallel jaw cylinder one, parallel jaw cylinder two entering through air relief valve and check valve Ante-chamber, overflow valve regulates this branch pressure;2, through air relief valve and check valve, check valve to parallel jaw cylinder one, Parallel jaw cylinder two back cavity branch road replenisher force feed;3, through unidirectional, plunger case one under radial cams effect, For pressure oil or make parallel jaw cylinder one back cavity pressure oil by overflow valve overflow to parallel jaw cylinder one back cavity; 4, through unidirectional, plunger case two under radial cams effect, or make to put down for pressure oil to parallel jaw cylinder two back cavity Row jaw cylinder two back cavity pressure oil passes through overflow valve overflow.
Draw cavity pressure constant (overflow valve set pressure) before pincers cylinder, parallel jaw cylinder, parallel jaw cylinder back cavity pressure Power changes (low pressure is set up) by overflow valve at 1.8MPa-6MPa.Embrace the pincers cylinder pressure differential in front and back's chamber change Realization clamps-unclamps-clamp-... do action switching.As a example by parallel jaw cylinder one, radial cams rotates, The plunger of plunger case one is pressed into plunger case cylinder barrel, plunger pressure oil output, connects propping up of this plunger case back cavity Road pressure raises, maximum pressure and plunger case one volume, parallel jaw cylinder one working chamber volume, accumulator 24 The blowing pressure is relevant.Drawing speed is the highest, and the speed of mainshaft is the fastest, and radial cams rotating speed is the fastest, branch pressure Impact the biggest, embrace pincers cylinder operating frequency consistent with main axis frequency.During normal drawing, four electromagnetic switch Valve all no powers.Although existing above-mentioned hydraulic system can well realize the control action of drawbench, but It still suffers from following defect: a, oil circuit complexity, and manufacturing cost is high;B, pressure regulator valve are many, and system fading margin is complicated, Maintenance requirement is high;C, when going wrong, case study and search difficulty, need attendant to have higher reason Opinion basis and practical adjustments experience;D, plunger case quick abrasion, spare parts cost is high;E, accumulator 24, accumulation of energy The blowing pressure of device 27, response frequency is very big, to storage on pressure and the loine pressure impact impact of response branch road The prescription of energy device is higher;F, back pressure wheel cylinder circuit, adoption rate closed loop control, system controls requirement Height, cleanliness of hydraulic oil requires height.In view of this, for how searching out a kind of simple in construction, work surely Fixed reliable and drawbench Control system architecture that drawbench normally work can be effectively ensured just be particularly important.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, working stability can Lean on and novel drawbench control system that drawbench normally work can be effectively ensured.
For achieving the above object, technical scheme provided by the present invention is: a kind of novel drawbench control system, institute State drawbench control system and include first armful of pincers cylinder and second armful of pincers cylinder, it is characterised in that: described drawbench control System processed also includes hydraulic pump and power source, oil inlet and oil return pipe, control valve group, valve block and the letter of accumulator composition Number detection device, described first armful pincers cylinder before and after chamber by oil pipe with first control electromagnetic valve A, B hydraulic fluid port UNICOM;Chamber A, B hydraulic fluid port UNICOM by oil pipe with the second control electromagnetic valve before and after described second armful of pincers cylinder; Described first controls electromagnetic valve and second controls electromagnetic valve respectively by a signal control detection dish assembly being provided with Being controlled its each action, described signal detection control dish assembly is two groups, and often group includes a pair in radius Different more than half disks and smaller part disk and proximity switch, more than half disk and smaller part disk described in every a pair Constitute holistic disc structure.
Equally, the present invention also provides for another kind of technical scheme: a kind of novel drawbench control system, described in draw Drawing machine control system includes first armful of pincers cylinder and second armful of pincers cylinder, it is characterised in that: described drawbench controls system System also includes hydraulic pump and the power source of accumulator composition, oil inlet and oil return pipe, control valve group, valve block and signal inspection Survey device, chamber A, B hydraulic fluid port UNICOM by oil pipe with the first control electromagnetic valve before and after described first armful of pincers cylinder; Chamber A, B hydraulic fluid port UNICOM by oil pipe with the second control electromagnetic valve before and after described second armful of pincers cylinder;Described One controls electromagnetic valve and the second control electromagnetic valve is controlled it by a signal control detection dish assembly being provided with Each action, described signal detection control dish assembly includes a pair more than half disk different in radius and small semicircle Dish and and two proximity switches, wherein said more than half disk and smaller part disk constitute holistic disk knot Structure.
Preferably, two described proximity switches be arranged on described more than half disk and smaller part disk to constitute one whole In the center circumferential that the disc structure of body rotates, described proximity switch its there is installation phase angle each other Difference.
Further, described more than half disk and smaller part disk are for being fixedly connected into overall disk by trip bolt Structure.
Compared with prior art, this programme has the effect that a, removes back pressure wheel oil cylinder, and hydraulic system is adopted Use single pump;B, not having proportional close-loop control, cleanliness of hydraulic oil requires to reduce;C, employing pneumatic control are drawn Pincers cylinder, reduces pipe arrangement;D, electromagnetism directly control oil cylinder, system pressure low (original hydraulic system pressure 6MPa, Existing system pressure: 4MPa);E, hydraulic system are simple, eliminate many valves and accumulator, the processing letter of valve block Single, low cost of manufacture;F, only one of which pressure regulator valve, debugging easily, is safeguarded simple;G, there is no radial convex Wheel plunger case, later maintenance and spare parts cost are low;H, the highest to the level requirement of attendant, trouble-shoots Simple with processing;I, signal detection control dish are connected by screw by two semicircles, it is simple to phase place adjusts.
Accompanying drawing explanation
Fig. 1 is the hydraulic control system principle schematic on existing drawbench.
Double-track cam cross-sectional view on the existing drawbench of Fig. 2.
Hydraulic control system principle schematic in the present invention of Fig. 3 position.
Fig. 4 is that the configuration state that the signal in the present invention controls when detection dish assembly is in a duty position is shown It is intended to (proximity switch matches with smaller part disk).
Fig. 5 is the configuration state that signal in the present invention controls when detection dish assembly is in another duty position Schematic diagram (proximity switch matches with more than half disk).
In figure: 1-hydraulic pump, 2-accumulator, 3-overflow valve, 4-first controls electromagnetic valve, 5-first armful pincers Cylinder, 6-second controls electromagnetic valve, and 7-second armful clamps cylinder, 8-signal detection control dish assembly, 801-small semicircle Dish, the more than half disk of 802-, 9-proximity switch, 10-the first oil-feed arm, 11-first goes out oil inlet pipe, 12- Two oil-feed arms, 13-second goes out oil inlet pipe, 14-oil inlet pipe, 15-flowline.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment one:
Refer to shown in accompanying drawing 3 to 5, the one novel drawbench control system described in the present embodiment, drawing Machine control system includes first armful of pincers cylinder 5 and second armful of pincers cylinder 7, and described drawbench control system also includes hydraulic pressure Pump 1, accumulator 2 power source of whole device (hydraulic pump 1 and the accumulator 2 form), overflow valve 3, enter Oil pipe 14, flowline 15 and the first armful of pincers cylinder 5 being connected on oil inlet pipe 14 are provided by being connected to Before and after it first oil-feed arm 10 and first in chamber go out oil inlet pipe 11 respectively with oil inlet pipe 14 and flowline 15 Being connected, wherein the first oil-feed arm 10 and first goes out to be also associated with the first control electromagnetic valve 4 on oil inlet pipe 11. Above-mentioned second armful of pincers cylinder 7 is provided by being connected to the second oil-feed arm 12 in chamber before and after it and second fuel-displaced Pipe 13 is connected with oil inlet pipe 14 and flowline 15 respectively, and wherein the second oil-feed arm 12 and second is fuel-displaced The second control electromagnetic valve 6 it is also associated with on arm 13;Overflow valve 3, electromagnetic valve 4 and electromagnetic valve 6 are integrated in In control valve group, the first oil-feed arm 10, first go out oil inlet pipe the 11, second oil-feed arm 12 and second and go out Oil inlet pipe 13 is all the inner passage of valve block;Before and after first armful of pincers cylinder 5, chamber controls electricity by oil pipe and first A, B hydraulic fluid port UNICOM of magnet valve 4;Before and after second armful of pincers cylinder 7, chamber controls electromagnetic valve 6 by oil pipe and second A, B hydraulic fluid port UNICOM.First controls electromagnetic valve 4 and second controls electromagnetic valve 6 respectively by a letter being provided with Number control detection dish assembly 8 be controlled its each action, signal detection control dish assembly 8 is two groups altogether, Often group signal detection control dish assembly 8 includes a pair more than half disk 802 different in radius and smaller part disk 801 With proximity switch 9, both the more than half disk of one pair of which 802 and smaller part disk 801 constitute holistic disk knot Structure.Why using the semi-disc structure that radius size is different, being because can be by using fixed installation motionless Proximity switch 9 carry out perception and be in the upper disc structure of different motion position and automatically control accordingly respective Control electromagnetic valve action.Such as, in the present embodiment, above-mentioned disc structure is (for the ease of describing, above-mentioned by greatly Both semi-disc 802 and smaller part disk 801 constitute holistic disc structure can be referred to as signal detection control Dish processed) be to be connected by screw together by the semi-disc of two radiuses difference 5mm, constitute one complete Detection dish.Two signal detection control dishes are all arranged on main shaft, and the certain angle of phase is (according to reality Border situation adjusts), there is certain phase relation with the double-track cam being arranged on main shaft in signal detection control dish. Signal detection control dish is with main axis, on proximity switch 9 support that proximity switch 9 is arranged on reduction box, When the big semicircle of diameter in signal detection control dish semicircle is close proximity to when switching 9, proximity switch 9 sender, Corresponding embraces pincers cylinder control valve (electromagnetic valve) energising, embraces pincers cylinder and holds tightly, when in signal detection control dish semicircle The little semicircle of diameter is close proximity to when switching 9, and proximity switch 9 signal disappears, and corresponding embraces pincers cylinder control valve (electromagnetic valve) power-off, embraces pincers cylinder and unclamps.
Embodiment two:
Technical scheme in embodiment two and the technical scheme in embodiment one its difference is that only: scheme In above-mentioned signal detection control dish assembly 8 also can be by a pair more than half disk 802 different in radius and smaller part Disk 801 (for the ease of describing, be called for short signal detection dish) and two proximity switches 9, i.e. by a signal Detection two proximity switches 9 of dribbling realize controlling, and proximity switch 9, on the circumference of center of rotation, installs phase The angle (adjusting according to practical situation) that phase difference difference is certain, the proximity switch 9 on proximity switch 9 support Installing hole should be waist type elongated hole, and position can on the concentric circular with center of rotation as the center of circle to facilitate proximity switch 9 Adjust.Certain phase relation is there is in signal detection control dish with the double-track cam being arranged on main shaft.
The examples of implementation of the above are only the preferred embodiments of the invention, not limit the reality of the present invention with this Execute scope, therefore the change that all shapes according to the present invention, principle are made, the protection model in the present invention all should be contained In enclosing.

Claims (4)

1. a novel drawbench control system, described drawbench control system includes first armful of pincers cylinder and second armful of pincers Cylinder, it is characterised in that: described drawbench control system also include hydraulic pump and accumulator composition power source, Oil inlet and oil return pipe, control valve group, valve block and signal supervisory instrument, before and after described first armful of pincers cylinder, chamber is by oil Pipe and the first A, B hydraulic fluid port UNICOM controlling electromagnetic valve;Before and after described second armful of pincers cylinder, chamber is by oil pipe and the Two A, B hydraulic fluid port UNICOMs controlling electromagnetic valves;Described first control electromagnetic valve and second controls electromagnetic valve and leads to respectively Cross a signal control detection dish assembly being provided with and be controlled its each action, described signal detection control dish group Part is two groups, and often group includes a pair more than half disk different in radius and smaller part disk and a proximity switch, Described in every a pair, more than half disk and smaller part disk constitute holistic disc structure.
2. a novel drawbench control system, described drawbench control system includes first armful of pincers cylinder and second armful of pincers Cylinder, it is characterised in that: described drawbench control system also include hydraulic pump and accumulator composition power source, Oil inlet and oil return pipe, control valve group, valve block and signal supervisory instrument, before and after described first armful of pincers cylinder, chamber is by oil Pipe and the first A, B hydraulic fluid port UNICOM controlling electromagnetic valve;Before and after described second armful of pincers cylinder, chamber is by oil pipe and the Two A, B hydraulic fluid port UNICOMs controlling electromagnetic valves;Described first controls electromagnetic valve and second controls electromagnetic valve by one The signal being provided with controls detection dish assembly and is controlled its each action, and described signal detection controls Pan Zujianbao Include a pair more than half disk different in radius and smaller part disk and two proximity switches, wherein said more than half disk Holistic disc structure is constituted with smaller part disk.
One the most according to claim 2 novel drawbench control system, it is characterised in that: connect described in two Nearly switch is arranged on described more than half disk and smaller part disk constitutes the center that holistic disc structure rotates On circumference, proximity switch described in two of which its each other exist installation phase angle poor.
4. according to the one novel drawbench control system described in claim 1 or 2 or 3, it is characterised in that: institute State more than half disk and smaller part disk for being fixedly connected into overall disc structure by trip bolt.
CN201610300502.5A 2016-05-09 2016-05-09 A kind of drawbench control system CN105864127B (en)

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CN201610300502.5A CN105864127B (en) 2016-05-09 2016-05-09 A kind of drawbench control system

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Application Number Priority Date Filing Date Title
CN201610300502.5A CN105864127B (en) 2016-05-09 2016-05-09 A kind of drawbench control system

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CN105864127B CN105864127B (en) 2017-09-05

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1123810A (en) * 1966-01-17 1968-08-14 Fastener Eng Inc Improvements in a wire drawing apparatus
DE3130820C1 (en) * 1981-08-04 1983-08-25 Schumag Gmbh System for controlling a carriage-type drawing machine operating at various speeds
CN2165573Y (en) * 1993-05-18 1994-05-18 鞍山钢铁公司 Contactless stroke controller
WO2006133797A1 (en) * 2005-06-14 2006-12-21 Bosch Rexroth Ag Hydraulically actuated clamping unit and hydraulic control shaft embodied therewith
CN102152115A (en) * 2011-01-05 2011-08-17 大连康丰科技有限公司 Drawing and straightening integrated machine
CN203316502U (en) * 2013-06-25 2013-12-04 西安麦特沃金液控技术有限公司 Clamp device
CN103447347A (en) * 2013-09-17 2013-12-18 西安麦特沃金液控技术有限公司 Continuous drawing production line and production method of strip product
CN104438388A (en) * 2013-09-17 2015-03-25 西安麦特沃金液控技术有限公司 Bidirectional hydraulic continuous drawing machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1123810A (en) * 1966-01-17 1968-08-14 Fastener Eng Inc Improvements in a wire drawing apparatus
DE3130820C1 (en) * 1981-08-04 1983-08-25 Schumag Gmbh System for controlling a carriage-type drawing machine operating at various speeds
CN2165573Y (en) * 1993-05-18 1994-05-18 鞍山钢铁公司 Contactless stroke controller
WO2006133797A1 (en) * 2005-06-14 2006-12-21 Bosch Rexroth Ag Hydraulically actuated clamping unit and hydraulic control shaft embodied therewith
CN102152115A (en) * 2011-01-05 2011-08-17 大连康丰科技有限公司 Drawing and straightening integrated machine
CN203316502U (en) * 2013-06-25 2013-12-04 西安麦特沃金液控技术有限公司 Clamp device
CN103447347A (en) * 2013-09-17 2013-12-18 西安麦特沃金液控技术有限公司 Continuous drawing production line and production method of strip product
CN104438388A (en) * 2013-09-17 2015-03-25 西安麦特沃金液控技术有限公司 Bidirectional hydraulic continuous drawing machine

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