CN205364628U - Many hydro -cylinders of clamp plate action balancing unit - Google Patents
Many hydro -cylinders of clamp plate action balancing unit Download PDFInfo
- Publication number
- CN205364628U CN205364628U CN201521081494.7U CN201521081494U CN205364628U CN 205364628 U CN205364628 U CN 205364628U CN 201521081494 U CN201521081494 U CN 201521081494U CN 205364628 U CN205364628 U CN 205364628U
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- China
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- cylinder
- pressing plate
- bidirectional balanced
- displacement sensor
- balancing device
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Abstract
The utility model relates to a many hydro -cylinders of clamp plate action balancing unit, including a plurality of pressure cylinders, on fixing base and the clamp plate, install at least a set of balance cylinder on the clamp plate, every balance cylinder of group includes firstly, the 2nd bidirectional balance jar, and it is first, two bidirectional balance jars set up along the focus symmetry, the last cavity of a bidirectional balance jar and down the cavity respectively the lower cavity through the first and second balanced pipelines and the 2nd bidirectional balance jar and upward the cavity communicate with each other, an on the different positions for detecting two at least displacement sensor unit mounts of clamp plate position are at the clamp plate, the output of each displacement sensor subassembly will detect signal output to the microprocessor in, microprocessor output signal is used for controlling a plurality of pressure cylinders and the action of every balance cylinder of group. The utility model discloses a balance cylinder group can be in time adjusts the clamp plate position, remains the balanced loading of pressure energy on many hydro -cylinders then throughout and at the work piece and on acting on the pressure cylinder, can reduce manufacturing, use cost and the installation of press and the maintenance degree of difficulty in later stage.
Description
Technical field
This utility model relates to a kind of pressing plate Multi-cylinder motion balancing device, belongs to hydraulic press technical field.
Background technology
The parts assembled for requiring over certain pressure to carry out, it is common that adopt hydraulic press to assemble.And when Assembly part area is relatively big or in order to improve production efficiency multiple parts are assembled simultaneously time, hydraulic press can adopt multiple oil cylinder, as shown in Figure 1, multiple oil cylinders are arranged between oil cylinder fixing base 1 and pressing plate 4, but four angles or both sides between the base 5 and oil cylinder fixing base 1 of equipment are arranged on guide pillar 3, moveable pressing plate 4 is provided with guide pin bushing, when the piston rod of oil cylinder stretches out and promotes pressing plate 4 to move to base 5 direction, by guide pillar 3, pressing plate 4 is led, to ensure that pressing plate 4 and oil cylinder keep balance in moving process.Therefore Multi-cylinder motion balancing device mainly relies on many guide pillars to realize, with place restrictions on pressing plate mobile time deviation position change then realize the balance of pressing plate.But this balanced structure is after long-term use, the generation mechanical wear of guide pillar and guide pin bushing can be caused, and reduce its precision, therefore a series of problem can be produced.Especially the position that the piston rod of each oil cylinder stretches out when multiple cylinder movement is uneven, the pressure imbalance on pressing plate can be caused, the not only fragile workpiece being loaded, also can act on each oil cylinder simultaneously, not only increase weight and the manufacturing cost of equipment, too increase the maintenance difficulty in installation and later stage simultaneously.
Summary of the invention
The purpose of this utility model be to provide a kind of piston rod at Multi-cylinder stretch out simultaneously with retract process in, in time press plate position can be adjusted by compensating cylinder group, then remain that the pressure on Multi-cylinder can balance be carried in workpiece and act on pressure cylinder, reduce the manufacturing cost and use cost of press, also can reduce the maintenance difficulty in installation and later stage simultaneously.
nullThis utility model is the technical scheme reaching above-mentioned purpose: a kind of pressing plate Multi-cylinder motion balancing device,Including multiple pressure cylinders、For the fixing seat being connected with the fixing side of multiple pressure cylinders and the pressing plate being connected with pressure cylinder piston rod,It is characterized in that: described pressing plate is provided with least one set compensating cylinder,Often group compensating cylinder includes the first bidirectional balanced cylinder and the second bidirectional balanced cylinder,And first bidirectional balanced cylinder and the second bidirectional balanced cylinder be symmetrical arranged along the center of gravity of pressing plate,The upper cavity of described first bidirectional balanced cylinder is communicated by the lower chamber of the bidirectional balanced cylinder of the first equalizing line and second,The lower chamber of the first bidirectional balanced cylinder is communicated by the upper cavity of the bidirectional balanced cylinder of the second equalizing line and second,At least two displacement sensor component for detecting press plate position is arranged on pressing plate diverse location,And detection signal is exported in microprocessor by the outfan of each displacement sensor component,Microprocessor output signal is used for controlling multiple pressure cylinder and often organizing compensating cylinder.
nullThis utility model is provided with least one set compensating cylinder on pressing plate,Often group compensating cylinder is made up of the first bidirectional balanced cylinder and the second bidirectional balanced cylinder,Therefore a two-way compensating cylinder and the second bidirectional balanced center of gravity along pressing plate of often organizing compensating cylinder are symmetrical arranged,And the upper cavity of the first bidirectional balanced cylinder is communicated by the lower chamber of the bidirectional balanced cylinder of the first equalizing line and second,The lower chamber of same first bidirectional balanced cylinder is communicated by the upper cavity of the bidirectional balanced cylinder of the second equalizing line and second,Therefore microprocessor can detect the position situation of each point according to multiple displacement sensor components,Carry out contrasting and analyzing judging whether press plate position balances,Once pressing plate equilbrium position changes,And this changing value is beyond setting value,Microprocessor controls pressure cylinder and quits work,Then often group compensating cylinder action is controlled,In time press plate position is adjusted,After only adjusting, pressure cylinder works on,Can remain that the pressure on Multi-cylinder can balance to be carried on workpiece and pressure cylinder.This utility model is due to without guide pillar, guide sleeve structure, and pressing plate breadth can infinitely strengthen when allowing in field of employment and technique, frictional resistance during operation can not only be reduced, press can be reduced and manufacture use cost, owing to pressure energy balanced action is in workpiece and pressure cylinder, also reduce the maintenance difficulty installed with the later stage, can be used on large press.This utility model is provided with at least two for detecting the displacement sensor component of press plate position on pressing plate, by change in location in the displacement sensor component on-line checking pressing plate moving process of diverse location, and the signal output after being changed by press plate position is to microprocessor, by the com-parison and analysis of microprocessor to judge, setting value is exceeded in pressing plate equilbrium position, control each pressure cylinder in time and stop workpiece, start often group compensating cylinder group action, press plate position is adjusted and reaches equilbrium position, it is achieved Multi-cylinder action keeps poised state.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The Multi-cylinder motion balancing device structural representation of the existing hydraulic press of Fig. 1.
Fig. 2 is the perspective view of a kind of pressing plate Multi-cylinder motion balancing device of this utility model.
Fig. 3 is the structural representation of a kind of pressing plate Multi-cylinder motion balancing device of this utility model.
Fig. 4 is the plan structure schematic diagram of Fig. 3.
Fig. 5 is the A-A sectional structure chart of Fig. 4.
Fig. 6 is the perspective view of this utility model another kind pressing plate Multi-cylinder motion balancing device.
Fig. 7 is the hydraulic schematic diagram of this utility model compensating cylinder group.
Wherein: 1 fixing seat, 2 pressure cylinders, 3 guide pillars, 4 pressing plates, 5 bases, 6 displacement sensor components, 6-1 sensor body, 6-2 floating magnetic-type location magnetic piece, 6-3 connects screw rod, and 6-4 installs guide rail, and 7 connect seat, 8 first equalizing lines, 9 first bidirectional balanced cylinders, 10 undersettings, 11 second equalizing lines, 12 upper brackets, 13 sensor support bases, 14 second bidirectional balanced cylinders, 15 upper piston rods, 16 end connectors, 17 cylinder barrels, 18 pistons, 19 lower piston rods.
Detailed description of the invention
See shown in Fig. 2~6, this utility model one pressing plate Multi-cylinder motion balancing device, including multiple pressure cylinders 2, for fixing the fixing seat 1 that side is connected and the pressing plate 4 being connected with pressure cylinder 2 piston rod with multiple pressure cylinders 2, this fixing seat 1 can be overall structure or Split type structure, and pressure cylinder 2 adopts oil cylinder, see shown in Fig. 2~4, this utility model can adopt four pressure cylinders 2, the piston rod of four pressure cylinders 2 is connected on pressing plate 4, four pressure cylinders 2 are controlled by electromagnetic valve group and move simultaneously, it is achieved the stretching out or retract of each piston rod.Seeing shown in Fig. 5~7, this utility model can adopt two pressure cylinders 2, and the quantity of pressure cylinder 2 is not limit, and each pressure cylinder 2 of this utility model is arranged on pressing plate 4 by each connecting seat 7, by the action of multiple pressure cylinder 2 by pressure transmission to workpiece.
See shown in Fig. 2~6, this utility model pressing plate 4 is provided with least one set compensating cylinder, often group compensating cylinder includes the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14, and first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 be symmetrical arranged along the center of gravity of pressing plate 4, regulate the position of pressing plate 4 in time by often organizing the action of compensating cylinder.This utility model often organizes compensating cylinder along the transverse center cross section of pressing plate 4 or/and longitudinal center cross section is symmetrical arranged, or often group compensating cylinder is arranged along the diagonal of pressing plate 4.See shown in Fig. 2~4, this utility model adopts one group of compensating cylinder the longitudinal center cross section along pressing plate 4 to be symmetrical arranged, first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 are positioned at the transverse center of pressing plate 4, or see shown in Fig. 5~6, Multi-cylinder motion balancing device of the present utility model adopts two groups of compensating cylinders, can arrange often organizing the compensating cylinder diagonal along pressing plate 4, to reach quickly to regulate the purpose of the position of pressing plate 4.
See shown in Fig. 2~7, the upper cavity of the bidirectional balanced cylinder of this utility model first 9 is communicated by the lower chamber of the first equalizing line 8 with the second bidirectional balanced cylinder 14, the lower chamber of the first bidirectional balanced cylinder 9 is communicated by the upper cavity of the second equalizing line 11 with the second bidirectional balanced cylinder 14, by regulating the pressure in the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 upper and lower cavity, and regulate the position of pressing plate 4, play the effect of balance pressing plate 4.
nullAs shown in Figure 4,First bidirectional balanced cylinder 9 of the present utility model and the second bidirectional balanced cylinder 14 include cylinder barrel 17、Two end connectors 16、Piston 18 and upper piston rod 15 and lower piston rod 19,Two end connector 16 correspondences are arranged on the two ends up and down of cylinder barrel 17,Upper piston rod 15 and lower piston rod 19 are connected with piston 18 and distinguish traversing through end joint 16,By piston 18, cylinder barrel 17 is divided into upper and lower two not connected cavitys,And cylinder barrel 17 is provided with pipe joint on upper cavity and lower chamber,First equalizing line 8 and the second equalizing line 11 are connected with the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 by pipe joint,By the first equalizing line 8 and the second equalizing line 11 respectively by the cavity intercommunication up and down of two bidirectional balanced cylinders,Owing to the chamber pressure up and down of two compensating cylinder groups is identical,By controlling two bidirectional balanced cylinder actions,And regulate the position of pressing plate 4,Realize the balance of pressing plate 4 position.As shown in Figure 5, this utility model adopts two groups of compensating cylinders, often group compensating cylinder is arranged along the diagonal of pressing plate 4, and two cornerwise intersection points are pressing plate 4 center of gravity, two groups of compensating cylinders are arranged on surrounding or the corner of pressing plate 4, often organize and bidirectional balanced cylinder is connected to the first equalizing line 8 and the second equalizing line 11, by regulating the pressure in the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 upper and lower cavity often organizing compensating cylinder, front and back position and right position to pressing plate 4 are adjusted, it is achieved pressing plate 4 position operationally remains balance.As shown in Figure 7, this utility model the first equalizing line 8 one tunnel is connected to draining check valve, another road is connected in line check valve, second equalizing line 11 1 connects draining check valve, another road is connected in line check valve, and draining check valve and in line check valve are connected with electromagnetic valve group, break-make by microprocessor electromagnetic valve group, then controlling compensating cylinder group action, operation is very easy.
See shown in Fig. 2~6, this utility model pressing plate 4 is provided with at least two undersetting 10, fixing seat 1 has the inverted U-shaped upper bracket of at least two 12, the lower piston rod 19 of the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 is connected with undersetting 10 by bearing pin, and first the upper piston rod 15 of bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 pass the through hole of U-shaped seat, it is connected with U-shaped seat by upper pin, makes compensating cylinder group action.
nullSee shown in Fig. 2~6,This utility model is arranged on the diverse location of pressing plate 4 at least two displacement sensor component 6 detecting pressing plate 4 position,Each displacement sensor component 6 is along the transverse center cross section of pressing plate 4 or/and longitudinal center cross section is symmetrical arranged,Or each displacement sensor component 6 is along the asymmetric setting in transverse center cross section or longitudinal center cross section of pressing plate 4,Each displacement sensor component 6 also can be arranged on the side of each self-corresponding pressure cylinder 2,Detection signal is exported in microprocessor by the outfan of each displacement sensor component 6,Microprocessor output signal is used for controlling multiple pressure cylinder 2 and often organizing compensating cylinder,At pressing plate 4 in the process of raising and lowering,Displacement sensor component 6 produces different detection signals and is sent to microprocessor,Microprocessor carries out com-parison and analysis after receiving the detection signal that displacement sensor component 6 sends,When analyzing the setting value exceeding pressing plate 4 equilbrium position,Send signal to stop stretching out or retracting by electromagnetic valve group control pressure cylinder 2,Pressing plate 4 is made to stop mobile,Then control often group compensating cylinder action and regulate the pressure in the first bidirectional balanced cylinder 9 and the second bidirectional balanced cylinder 14 upper and lower cavity,Pressing plate 4 position is adjusted,And in time to the position of microprocessor feedback regulation rear fender 4,Make compensating cylinder group by after pressing plate 4 adjustment,Control pressure cylinder 2 to resume work,Band dynamic pressure plate 4 moves up and down,Multi-cylinder is made to be in optimum Working.
See shown in Fig. 2~6, the each displacement sensor component 6 of this utility model includes sensor body 6-1, floating magnetic-type location magnetic piece 6-2 and connection screw rod 6-3, sensor body 6-1 is vertically arranged between on pressing plate 4, this utility model can be provided with sensor support base 13 on pressing plate 4, sensor body 6-1 is arranged on sensor support base 13, sensor body 6-1 is arranged on sensor support base 13 by installing guide rail 6-4, floating magnetic-type location magnetic piece 6-2 is arranged on sensor body 6-1 and can move up and down, it is connected to the connection screw rod 6-3 that pressure cylinder 2 fixes on side or fixing seat 1 to position magnetic piece 6-2 with floating magnetic-type and threaded.nullSee shown in Fig. 2~5,This utility model is provided with mounting seat on the cylinder body of pressure cylinder 2,Connect screw rod 6-3 be then fixed on or be removably mounted in mounting seat,Or as shown in Figure 6,This utility model is provided with mounting seat on fixing seat 1,Connect screw rod 6-3 to be arranged in mounting seat,Moving up and down in process of pressing plate 4,The position connecting screw rod 6-3 will not change,Sensor body 6-1 moves up and down with pressing plate 4,Connection screw rod 6-3 is made to drive floating magnetic-type location magnetic piece 6-2 to move up and down along sensor body 6-1 axis,It is not rigidly connected between magnetic piece 6-2 and sensor body 6-1 owing to floating magnetic-type positions,Floating magnetic-type location magnetic piece 6-2 is made to move up and down along sensor body 6-1 axis and different signals can be produced and be transferred in microprocessor,This signal can be digital quantity signal,Microprocessor of the present utility model adopts existing processor,As adopted PLC etc.,Microprocessor receives the signal that each displacement sensor component 6 sends out,Each position on pressing plate 4 is done com-parison and analysis,When pressing plate 4 equilbrium position exceedes setting value,Microprocessor controls solenoid valves group makes piston rod on pressure cylinder 2 stop stretching out or to retraction,Start the pressure often organizing compensating cylinder action and regulate its upper and lower cavity,Pressing plate 4 position is adjusted,Until balance.
Claims (9)
- null1. a pressing plate Multi-cylinder motion balancing device,Including multiple pressure cylinders (2)、For the fixing seat (1) being connected with the fixing side of multiple pressure cylinders (2) and the pressing plate (4) being connected with pressure cylinder (2) piston rod,It is characterized in that: described pressing plate (4) is provided with least one set compensating cylinder,Often group compensating cylinder includes the first bidirectional balanced cylinder (9) and the second bidirectional balanced cylinder (14),And first bidirectional balanced cylinder (9) and the second bidirectional balanced cylinder (14) be symmetrical arranged along the center of gravity of pressing plate (4),The upper cavity of described first bidirectional balanced cylinder (9) is communicated by the lower chamber of the first equalizing line (8) with the second bidirectional balanced cylinder (14),The lower chamber of the first bidirectional balanced cylinder (9) is communicated by the upper cavity of the second equalizing line (11) with the second bidirectional balanced cylinder (14),At least two displacement sensor component (6) for detecting pressing plate (4) position is arranged on pressing plate (4) diverse location,And detection signal is exported in microprocessor by the outfan of each displacement sensor component (6),Microprocessor output signal is used for controlling multiple pressure cylinder (2) and often organizing compensating cylinder.
- 2. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1, it is characterized in that: described each displacement sensor component (6) is along the transverse center cross section of pressing plate (4) or/and longitudinal center cross section is symmetrical arranged, or each displacement sensor component (6) is along the asymmetric setting in transverse center cross section or longitudinal center cross section of pressing plate (4).
- 3. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1, it is characterised in that: described each displacement sensor component (6) is arranged on each displacement sensor component (6) and is arranged on each self-corresponding pressure cylinder (2) side.
- 4. according to a kind of pressing plate Multi-cylinder motion balancing device one of claims 1 to 3 Suo Shu, it is characterized in that: described each displacement sensor component (6) includes sensor body (6-1), floating magnetic-type location magnetic piece (6-2), guide rail (6-4) is installed and connects screw rod (6-3), sensor body (6-1) is installed on sensor support base (13) by installing guide rail (6-4), sensor support base (13) is vertically arranged between on pressing plate (4), floating magnetic-type location magnetic piece (6-2) is arranged on sensor body (6-1) and above and can move up and down, the connection screw rod (6-3) being connected on the fixing side of pressure cylinder (2) or fixing seat (1) positions magnetic piece (6-2) with floating magnetic-type and threadeds.
- 5. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1, it is characterized in that: the described compensating cylinder transverse center cross section along pressing plate (4) of often organizing is or/and longitudinal center cross section is symmetrical arranged, or often group compensating cylinder is arranged along the diagonal of pressing plate (4).
- null6. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1 or 5,It is characterized in that: described the first bidirectional balanced cylinder (9) often organizing compensating cylinder and the second bidirectional balanced cylinder (14) include cylinder barrel (17)、Two end connectors (16)、Piston (18) and upper piston rod (15) and lower piston rod (19),Two end connector (16) correspondences are arranged on the two ends up and down of cylinder barrel (17),Upper piston rod (15) and lower piston rod (19) are connected with piston (18) and difference traversing through end joint (16),And cylinder barrel (17) is divided into upper and lower two not connected cavitys by piston (18),And cylinder barrel (17) is equipped with pipe joint on upper cavity and lower chamber,First equalizing line (8) and the second equalizing line (11) are connected by pipe joint and first bidirectional balanced cylinder (9) and the second bidirectional balanced cylinder (14).
- 7. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1, it is characterized in that: described first equalizing line (8) tunnel is connected to draining check valve, another road is connected in line check valve, and the second equalizing line (11) connects draining check valve, another road is connected in line check valve.
- 8. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1 and 2, it is characterized in that: described pressing plate (4) is provided with at least two undersetting (10), fixing seat (1) has the inverted U-shaped upper bracket of at least two (12), the lower piston rod (19) of the first bidirectional balanced cylinder (9) and the second bidirectional balanced cylinder (14) is connected with undersetting (10) by bearing pin, and first the upper piston rod (15) of bidirectional balanced cylinder (9) and the second bidirectional balanced cylinder (14) pass the through hole of U-shaped seat, it is connected with U-shaped seat by upper pin.
- 9. a kind of pressing plate Multi-cylinder motion balancing device according to claim 1, it is characterised in that: described each pressure cylinder (2) is arranged on pressing plate (4) by connecting seat (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201521081494.7U CN205364628U (en) | 2015-12-21 | 2015-12-21 | Many hydro -cylinders of clamp plate action balancing unit |
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Application Number | Priority Date | Filing Date | Title |
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CN201521081494.7U CN205364628U (en) | 2015-12-21 | 2015-12-21 | Many hydro -cylinders of clamp plate action balancing unit |
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CN205364628U true CN205364628U (en) | 2016-07-06 |
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CN201521081494.7U Withdrawn - After Issue CN205364628U (en) | 2015-12-21 | 2015-12-21 | Many hydro -cylinders of clamp plate action balancing unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105398079A (en) * | 2015-12-21 | 2016-03-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Pressing plate multi-cylinder movement balancing device |
-
2015
- 2015-12-21 CN CN201521081494.7U patent/CN205364628U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105398079A (en) * | 2015-12-21 | 2016-03-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Pressing plate multi-cylinder movement balancing device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20171114 |
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AV01 | Patent right actively abandoned |