CN101140471A - Electric pressure execute shoring method and precision electric support thereof - Google Patents
Electric pressure execute shoring method and precision electric support thereof Download PDFInfo
- Publication number
- CN101140471A CN101140471A CNA2007100556633A CN200710055663A CN101140471A CN 101140471 A CN101140471 A CN 101140471A CN A2007100556633 A CNA2007100556633 A CN A2007100556633A CN 200710055663 A CN200710055663 A CN 200710055663A CN 101140471 A CN101140471 A CN 101140471A
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- support bar
- support
- shoring
- screw
- electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention discloses an electrical pressure actuating support method and an electrical precision support cylinder. Wherein, the support cylinder is a hollow structure. The hollow structure is divided into an upper section and a lower section and provided with a vertically moving support rod and an electrical elevator assembly. A traveling clearance is arranged between the support rod and the electrical elevator. Both ends of the clearance, viz. bottom of the support rod and top of the electrical elevator are respectively arranged with a switch contact to form a control circuit switch for the electrical elevator. The clearance is changed based on relative displacement between the support rod and the electrical elevator until they contact each other to switch on the control circuit of the electrical elevator, stop the elevator assembly and realize support. The present invention rejects complex oil pressure control system, has the advantages of no pollution, small size, simple structure, lower cost, high efficiency, accurate and reliable control and flexible support. The pressure actuating mechanism of the same size can get electrical pressure 200% to 300% higher than oil pressure.
Description
Technical field
The present invention relates to a kind of electric press and carry out method for supporting and accurate electronic shoring, be particularly related to the electronic shoring of a kind of machining tooling device technical field, thrust cylinder, pulling force cylinder, rotating cylinder, connecting rod hold-down cylinders etc. belong to machining tooling device technical field.
Background technology:
At present, the support class tooling device shoring that uses in mechanical processing process ejects type for spring substantially; Air ejects type; Oil pressure ejects three kinds of patterns of type.The thrust cylinder, the pulling force cylinder, rotating cylinder, connecting rod hold-down cylinder do not have electric structure at present yet.
Known patent CN2425226, the oil pressure of the improvement shoring that floats also is a kind of architecture advances that oil pressure ejects the type shoring.
The oil pressure shoring mainly has the following disadvantages and defective: (1) is because the oil pressure shoring need be equipped with complicated a complete set of hydraulic control system such as hydraulic power source, oil pump, fuel tank, various operation valve, many oil pipes, a plurality of joint, pipeline complexity, cause the trouble spot many, there are a plurality of leakage points, both polluted working environment, dangerous again; (2) to prop up the head operation position on stopping inaccurate sometimes in the work of oil pressure shoring.Step up the power deficiency.Sometimes do not support to place just to clamp and stop, whether operate as normal can't be confirmed; Need to be equipped with in addition auxiliary electric signaling device in the automated production; (3) latch mechanism is often malfunctioning, causes a crown not live workpiece and do not participate in work; (4) limited the work-yard owing to connect the existence of oil pipe line, can not move freely, the usable floor area area is big, the installment work inconvenience; (5) processing and fabricating cost height.
Air ejects the type shoring and mainly has the following disadvantages and defective: (1) because the compressibility of air is big, the job stability when being difficult to guarantee processing component; (2) with to compare support degree with the oil pressure shoring of volume little; (3) do not support to place sometimes just to clamp and stop, whether operate as normal can't be confirmed; (4) need complicated work control system, the trouble spot is many, and inconvenience is installed, and there are a plurality of leakage points in a plurality of joints; Contain moisture content in the used pressurized air when (5) the air pressure shoring is owing to its work, shoring self can not use easy rust iron class starting material, and limitation is arranged in the manufacturing, has increased the shoring cost, has strengthened cost of products, reduces serviceable life.
It is inaccurate sometimes that the spring type that ejects exists the work of shoring to prop up the position that head operation stops too.Step up the power deficiency.Sometimes do not support to place just to clamp and stop, whether operate as normal can't be confirmed; Need to be equipped with in addition auxiliary electric signaling device in the automated production.And latch mechanism is often malfunctioning, causes a crown not live workpiece and defectives such as not participation work.
Summary of the invention
The present invention discloses a kind of electric press and carries out method for supporting, has solved existing oil pressure workpiece support cylinder oil channel structures complexity, the production cost height, and control accuracy is poor, and failure rate is big, shortcomings such as poor stability.
The present invention also provides the accurate electronic shoring that is applicable to said method, is used for actual production.
Technical solution of the present invention is as follows: the shoring body is a cavity structure, divides upper and lower two sections in the chamber, is provided with support bar moving up and down and electric elevator assembly, is provided with the stroke space between support bar and the Motorized lift device.The two ends in space, be that the bottom of support bar and the top of electric elevator are respectively equipped with switch contact, constitute the control circuit switch of electric elevator, relative displacement by support bar and electric elevator, gap between the change is until being in contact with one another, with the control circuit conducting of electric elevator, make the lifter assembly stop action, reach the support purpose.
Load size in the time of also can utilizing current of electric to contact with workpiece with supporting member changes, and the control circuit for controlling motor is opened, and promptly controls the start and stop of motor by the changing condition of gathering current of electric.
Concrete structure is as follows: electronic shoring comprises cylinder body, loam cake, base, support bar, supporting member, guide rod and switch contact, positioning of electrode screw, power clutch, screw, nut, speed reduction unit, speed reduction unit seat, upper limit position switch, lower position switch, motor, adjustment screw rod, adjusts nut.The shoring body is a tubular structure, on it, following two ends are respectively equipped with top cover and pedestal, the center of top cover offers center pit, support bar is sleeved in the bobbin of body and can moves up and down, its upper end is a supporting member, stretch out by the center pit of top cover and to be used for contacting with workpiece, be fixed with the reducer stent of Motorized lift device on the pedestal, be provided with direct current generator in the reducer stent, direct current generator and speed reduction unit are the shaft type combine and assemble, the output shaft head of speed reduction unit is equipped with the air silk head, common formation link gear, silk head constitutes screw thread pair moving up and down with the screw of overcoat, and the switch of formation control of DC circuit is fixedlyed connected by insulating mat in the upper end of screw with switch contact, and the positioning of electrode screw is connected the loop of formation control of DC circuit between nut and the support bar, be provided with power clutch in silk head hollow, be with support spring on the clutch coupling, there is the above gap of 0.1mm the lower end of supporting switch contact and support bar, makes the switch open circuit of DC motor control circuit.
The present invention is with respect to the advantage and the progress of prior art: adopt Motorized lift device as mechanical support mechanism, need not to install complicated oil pressure control system such as oil pipe, hydraulic power source, operation valve and oil pipe, working environment is pollution-free, features simple structure, the volume exquisiteness, replace the oil pressure shoring with electronic shoring, the electronic shoring of same volume can obtain the anchorage force doubly than the big 2--3 of oil pressure shoring, has improved work efficiency.Electronic shoring automatic control system can provide working signal accurately, accurately control easily, the Department of Automation that the is applicable to more accurate precision single-piece Precision Machining in batches of unifying; Help improving the robotization control of production line; More favourable reliable to the security of system, improved the accuracy and the reliability that support to the fulcrum height.
Also reduced simultaneously production cost, supported flexibly, convenient by dress, improved from the accuracy and the reliability that support to strong point height, accurately control easily, the Department of Automation that the is applicable to more accurate precision single-piece Precision Machining in batches of unifying; Help improving the robotization control of production line;
Description of drawings:
Fig. 1 is the embodiment of the invention 1 an electronic shoring structural representation.
Fig. 2 is the embodiment of the invention 1 a power clutch structural representation.
Fig. 3 is the embodiment of the invention 2 electronic shoring structural representations
Embodiment
According to shown in Figure 1, shoring body 6 is a tubular structure, on it, following two ends are respectively equipped with top cover 9 and pedestal 7, the center of top cover 9 offers center pit, support bar 1 is sleeved in the bobbin of body 6 and can moves up and down, its upper end is used for contacting with workpiece for supporting member 8 is stretched out by the center pit of top cover 9, be fixed with reducer stent 5 on the pedestal 7, be provided with direct current generator 16 in the reducer stent 5, direct current generator 16 is the shaft type combine and assemble with speed reduction unit 13, the output shaft head of speed reduction unit 13 is equipped with air silk head 12, common formation link gear, silk 12 constitutes screw thread pair moving up and down with the screw 4 of overcoat, the switch of formation direct current generator 16 control circuits is fixedlyed connected by insulating mat in the upper end of screw 4 with switch contact 2, positioning of electrode screw 11 is connected the loop that constitutes the control circuit of direct current generator 16 between screw 4 and the support bar 1, be provided with power clutch 3 in silk 12 hollow, be with support spring on the clutch coupling 3, switch contact 2 has the above gap of 0.5mm with the lower end of support bar 1, makes the switch open circuit of direct current generator 16 control circuits.
During work, drive silk 12 rotation thereby motor 16 drives speed reduction unit 13 rotations, silk 12 a driving screw 4 are done elevating movement, i.e. screw pair transmission.When the supporting member 8 of support bar 1 upper end contacts with workpiece, support bar 1 promptly stops to move upward, and screw 4 drives switch contact 2 continuation risings, eliminate up to switch contact 2 and support bar 1 bottom gap, switch contact 2 contacts with support bar 1, the control circuit conducting, motor 16 outages, each parts stop motion, at this moment, workpiece is passed to support bar 1 → switch contact 2 → screw 4 → silk 12 → reducer stent, 5 → pedestal, 7 → worktable → finish support works with power.
Finish when workpiece processing, unload 16 counter-rotatings of relief direct current generator, support bar 1 returns to original position, finishes a working cycle.
In apparatus of the present invention, be provided with power clutch 3 (with reference to figure 2) between silk 12 and the speed reduction unit 13, corresponding reducer stent 5 is provided with bound bit switch 14,15, by adjusting screw mandrel 17 and adjusting moving up and down of screw 18, constitute gauge tap in parallel with control circuit.
As Fig. 2, power clutch is contained in the silk shrinkage pool, support two steel circular friction plates 24 and 26 by a spring, wherein a friction disc 26 contacts below shrinkage pool, and another friction disc 24 blocks with spring collar 23 at the reducer shaft head end, silk 12 endoporus and speed reduction unit spindle nose are clearance fit, no key connects, and during work, supports friction disc by spring, speed reduction unit spindle nose 22 moments of torsion are passed to silk 12 carry out work, speed reduction unit idle running during moment of torsion that the moment of torsion that produces when working resistance produces greater than clutch coupling.
Embodiment 2
According to Fig. 3, accurate electronic control stroke shoring is to adopt motor 16 and speed reduction unit 13 shaft type combine and assemble, and speed reduction unit 13 output shaft heads are equipped with thread 12.Thereby motor 16 drives speed reduction unit 13 and rotates 12 rotation of drive silk during work.Silk 12 a drive screw 4 move up and down by guide pin 20.It is the screw pair transmission.Support bar 1 is equipped with in screw 4 upper ends, and drive support bar 1 and slide rheostat 19 moves up and down, slide rheostat 19 is installed in 4 times eaves of screw, speed reduction unit seat 5 processing one translot, the slide head of slide rheostat 19 is inserted in the translot. and when screw 4 liftings, translot is stirred slide head, the resistance value of slide rheostat 19 changes thereupon, control circuit is by reading the resistance value of slide rheostat 19, the start and stop of control motor 16, thereby the stroke of control support bar 1.When the supporting member 8 of support bar 1 upper end contacted with workpiece, anchorage force surpassed 2N when above during work, and the electric current of motor 16 increases, and controls stopping of motor 16 by the electric current of detection motor.
Simultaneously,, judge supporting member 8 residing positions, and on charactron, show the stroke of supporting member 8 in real time by dynamically reading the magnitude of voltage of slide rheostat 19.The upper limit 14 of motor 16 and lower limit 15 are soft spacing.Workpiece is passed to supporting member 8 → support bar 1 → screw 4 → silk 12 → speed reduction unit seat, 5 → pedestal, 7 → worktable → finish control stroke with power and is supported and distance test work during work.After execution work is finished, allow motor 16 reverse, support bar 1 returns to original position, and promptly a working cycle is finished.Also can freely adjust the stroke of supporting member 8 according to need of work, stroke accuracy can reach 0.001mm.Back and forth bearing accuracy can reach 0.01mm.Anchorage force can reach more than the 2N during rising, and anchorage force can reach tens of and even up to a hundred tons according to designing requirement when stopping.
This system is provided with dual electric prospection.Promptly before this by dynamically reading the voltage setting value of slide rheostat 19, when slide rheostat system down, upper limit position switch 14 and lower position switch 15 are worked.
This system is that collection is multi-functional for one, i.e. positioning function, stroke Presentation Function (distance test) and support workpiece to be machined rising function (anchorage force can reach tens of and even up to a hundred tons according to designing requirement when stopping.During motion, the rising anchorage force can be adjusted to required anchorage force from 0.2N as required, and this motion rising anchorage force can design as required).
This system also can electricity consumption flow through the rising that the load form is controlled support bar, concrete principle of work is: motor 16 actions, when the supporting member 8 of support bar 1 upper end contacts with workpiece, the load of motor 16 increases, and motor 16 electric currents can increase thereupon, when electric current reaches setting value, the control circuit conducting, motor 16 outages, the start and stop of motor are promptly controlled in each parts stop motion by the changing condition of gathering current of electric.
The thrust cylinder of frock clamp annex, the pulling force cylinder, rotating cylinder, connecting rod hold-down cylinders etc. are also basic identical with the principle of electronic support.
Claims (4)
1. an electric press is carried out method for supporting, the shoring body is a cavity structure, on dividing in the chamber, following two sections, be provided with support bar moving up and down and electric elevator assembly, be provided with the stroke space between support bar and the Motorized lift device, the two ends in space, be that the bottom of support bar and the top of electric elevator are respectively equipped with switch contact, constitute the control circuit switch of electric elevator, by the relative displacement of support bar and electric elevator, the gap between the change, until being in contact with one another, with the control circuit conducting of electric elevator, make the lifter assembly stop action, reach the support purpose.
2. method for supporting according to claim 1 is characterized in that: the load size when utilizing current of electric to contact with workpiece with supporting member changes, and the control circuit for controlling motor is opened, and promptly controls the start and stop of motor by the changing condition of gathering current of electric.
3. the accurate electronic shoring of making according to claim 1 or 2 described methods, electronic shoring body is a tubular structure, on it, following two ends are respectively equipped with top cover and pedestal, the center of top cover offers center pit, support bar is sleeved in the bobbin of body and can moves up and down, its upper end is a supporting member, stretch out by the center pit of top cover and to be used for contacting with workpiece, be fixed with the reducer stent of Motorized lift device on the pedestal, be provided with direct current generator in the reducer stent, direct current generator and speed reduction unit are the shaft type combine and assemble, the output shaft head of speed reduction unit is equipped with the air silk head, common formation link gear, the silk head constitutes screw thread pair moving up and down with the screw of overcoat, formation control of DC contactor is fixedlyed connected by insulating mat in the upper end of screw with switch contact, the positioning of electrode screw is connected the loop that constitutes the control of DC circuit between nut and the support bar, be provided with power clutch in silk head hollow, be with support spring on the clutch coupling, there is the above gap of 0.1mm the lower end of supporting switch contact and support bar, makes the switch open circuit of DC motor control circuit.
4. the accurate electronic shoring of making according to the described method of claim 3, it is characterized in that: slide rheostat is installed in eaves formation link gear under the screw, processing one translot on the reducer stent, the slide head of slide rheostat is inserted in the translot, when the screw lifting, translot is stirred the slide head of slide rheostat on the reducer stent, the resistance value of slide rheostat changes thereupon, control circuit is by reading the resistance value of slide rheostat, the start and stop of control motor, thereby the stroke of control support bar.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100556633A CN100485569C (en) | 2007-05-23 | 2007-05-23 | Electric pressure execute supporting method and precision electric support thereof |
| PCT/CN2007/001763 WO2008141483A1 (en) | 2007-05-23 | 2007-06-04 | An electric pressure executive supporting method and a precision electric supporting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100556633A CN100485569C (en) | 2007-05-23 | 2007-05-23 | Electric pressure execute supporting method and precision electric support thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101140471A true CN101140471A (en) | 2008-03-12 |
| CN100485569C CN100485569C (en) | 2009-05-06 |
Family
ID=39192443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100556633A Expired - Fee Related CN100485569C (en) | 2007-05-23 | 2007-05-23 | Electric pressure execute supporting method and precision electric support thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100485569C (en) |
| WO (1) | WO2008141483A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108030447A (en) * | 2017-12-29 | 2018-05-15 | 美的集团电子商务有限公司 | Sweeping robot and its method and control method for establishing map |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029725A (en) * | 2010-10-12 | 2011-04-27 | 江苏联冠科技发展有限公司 | Cold pressing device in cold pressing recoverer of waste foamed plastics |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0007592A1 (en) * | 1978-08-01 | 1980-02-06 | Richard Haller | Limit switch device for a lifting apparatus |
| US4817977A (en) * | 1987-08-24 | 1989-04-04 | David Bookbinder | Stand for motorcycle |
| JP3164267B2 (en) * | 1994-10-21 | 2001-05-08 | 新東工業株式会社 | Electric cylinder |
| US5775469A (en) * | 1996-04-15 | 1998-07-07 | Kang; Song D. | Electrodynamic strut with associated bracing mechanism |
| CN2315706Y (en) * | 1998-01-22 | 1999-04-21 | 张锦民 | Motor push rod |
| CN2626723Y (en) * | 2003-07-28 | 2004-07-21 | 苏建中 | Automatic embossing seal stamper |
| CN2791108Y (en) * | 2004-12-31 | 2006-06-28 | 杨梅 | Fully-automatic electric lifting roadblock |
| CN2766276Y (en) * | 2005-01-17 | 2006-03-22 | 北京理研社技术有限公司 | Novel push-rod control device |
-
2007
- 2007-05-23 CN CNB2007100556633A patent/CN100485569C/en not_active Expired - Fee Related
- 2007-06-04 WO PCT/CN2007/001763 patent/WO2008141483A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108030447A (en) * | 2017-12-29 | 2018-05-15 | 美的集团电子商务有限公司 | Sweeping robot and its method and control method for establishing map |
| CN108030447B (en) * | 2017-12-29 | 2023-10-31 | 美的集团电子商务有限公司 | Sweeping robot, map building method and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008141483A1 (en) | 2008-11-27 |
| CN100485569C (en) | 2009-05-06 |
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Granted publication date: 20090506 Termination date: 20100523 |