CN106553370A - A kind of pair of performance element hydraulic press - Google Patents
A kind of pair of performance element hydraulic press Download PDFInfo
- Publication number
- CN106553370A CN106553370A CN201611083061.4A CN201611083061A CN106553370A CN 106553370 A CN106553370 A CN 106553370A CN 201611083061 A CN201611083061 A CN 201611083061A CN 106553370 A CN106553370 A CN 106553370A
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- hydraulic cylinder
- hydraulic
- valve group
- arm
- cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
- B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
Abstract
The invention discloses a kind of pair of performance element hydraulic press, is characterized in that being provided with same hydraulic pressure machine frame jointly:In first hydraulic cylinder arranged side by side and second hydraulic cylinder, first workbench and second workbench of the office immediately below first hydraulic cylinder and second hydraulic cylinder, first hydraulic pressure unit is constituted by first hydraulic cylinder and the first workbench, the second hydraulic pressure unit being made up of second hydraulic cylinder and the second workbench;It is that the first hydraulic pressure unit and the second hydraulic pressure unit are arranged and share fuel tank in hydraulic pressure machine frame, and the shared power source being made up of motor and liquid pump.The present invention effectively reduces the raw materials consumption of hydraulic press fabrication stage and parts are used, and can effectively reduce the energy expenditure of operation phase.
Description
Technical field
The present invention relates to a kind of hydraulic press, the particularly hydraulic press of a kind of pair of performance element, for reducing hydraulic press manufacture
The material consumption of process, reduce hydraulic press running energy expenditure, lifted hydraulic press life-cycle processes raw material and
The utilization rate of energy.
Background technology
Important component part of the hydraulic press as Forming Equipments, its stable drive, control are simple, have a wide range of applications.
But, from great, the raw materials consumption of manufacture process is big for hydraulic press;In there is running, load characteristic is mismatched with driving
Problem, energy loss is big, efficiency is low, there is larger energy dissipation.
Energy during declining to performance element is recycled has certain effect for energy-conservation, but returns in energy
There is storage during receipts and recycle two processes, therefore increased energy conversion links, the complexity of transformation process is reduced
The efficiency of energy utilization, also have impact on the controllability of system.On the other hand, with reference to the demand of forming process:Drip molding is from original
Material usually contains multiple operations, such as punching and flanging etc., the workshop with multiple stage hydraulic press to the production process of product
It is fairly common, therefore the raw materials consumption of reduction hydraulic press fabrication stage, and the energy expenditure for reducing the multiple unit operation stage
Become problem demanding prompt solution.
The content of the invention
The present invention is to avoid the deficiency existing for above-mentioned prior art, there is provided a kind of pair of performance element hydraulic press, to
The material consumption of hydraulic press manufacture process is reduced, reduces the energy expenditure of hydraulic press running, lift hydraulic press life cycle
The utilization rate of the raw material and energy of process.
The present invention is adopted the following technical scheme that to solve technical problem:
A kind of pair of performance element hydraulic press of the invention, its feature is;
It is provided with same hydraulic pressure machine frame jointly:In first hydraulic cylinder arranged side by side and second hydraulic cylinder, one a pair
First workbench and second workbench of the ground office immediately below first hydraulic cylinder and second hydraulic cylinder are answered, by first hydraulic pressure
Cylinder and the first workbench constitute the first hydraulic pressure unit, the second hydraulic pressure list being made up of the second hydraulic cylinder and the second workbench
Unit;
It is that first hydraulic pressure unit and the second hydraulic pressure unit arrange the fuel tank for sharing in the hydraulic pressure machine frame, and
The shared power source being made up of motor and liquid pump, and following fluid pressure line is set:
Oil-feed house steward is connected between the output port of liquid pump and the first lower port of the first valve group;
The first arm of left is connected between first upper port of epicoele and the first valve group of second hydraulic cylinder;
The first arm of right wing is tee T, and its one end is connected with the epicoele of first hydraulic cylinder, the other end and the first valve group
Second upper port connects, then Single port is connected with the lower port of the second valve group of right wing;
The second arm of left is tee T, and its one end is connected with the cavity of resorption of second hydraulic cylinder, the other end and the second valve of left
The upper port of group connects, then one end is connected with the left port of the 3rd valve group;
The second arm of right wing is tee T, and its one end is connected with the cavity of resorption of first hydraulic cylinder, the other end and the second valve of right wing
The upper port of group connects, then one end is connected with the right output port of the 3rd valve group;
Oil return house steward is tee T, and its one end connected tank, the second lower port of the first valve group of another termination, another termination are left
The lower port of the second valve group of road.
A kind of pair of performance element hydraulic press of the invention, its feature lie also in;
The effective work area of rod chamber of the first hydraulic cylinder and second hydraulic cylinder is equal, the first hydraulic cylinder and
Effective work area of the rodless cavity of two hydraulic cylinders is also equal.
A kind of pair of performance element hydraulic press of the invention, its feature lie also in:The first hydraulic cylinder and second hydraulic cylinder are equal
For hydraulic piston cylinder.
A kind of pair of performance element hydraulic press of the invention, its feature lie also in;The first hydraulic cylinder and second hydraulic cylinder are pressed
Following manner is arranged:
Mode 1:The plan view shape of the hydraulic pressure machine frame is " V " type being made up of the first arm and the second arm, in " V " type frame
In frame, first hydraulic cylinder is in the front end of the first arm, and second hydraulic cylinder is in the front end of the second arm, the first arm and the second arm it
Between be formed with working place, the cylinder body of second hydraulic cylinder and the cylinder body of first hydraulic cylinder longitudinal separation each other are L, left and right
Distance is W;And have:
The brachium of the first arm and the second arm is L/sin (2 α);
α is the angle between the first arm and the second arm, 0 °<α<180 °,
Mode 2:The plan view shape of the hydraulic pressure machine frame is rectangle, and first hydraulic cylinder and second hydraulic cylinder are arranged in rectangle
The front side of framework, and front side with W' apart from office on the right position of a first from left;
Mode 3:The plan view shape of the hydraulic pressure machine frame is strip, and first hydraulic cylinder and second hydraulic cylinder are one in front and one in back
Split the front-end and back-end of strip framework, first hydraulic cylinder and second hydraulic cylinder longitudinal separation be L'.
A kind of pair of performance element hydraulic press of the invention, its feature lie also in:Described pair of performance element hydraulic press is by following step
Suddenly initialized
Step 1:Start liquid pump, holding liquid pump is working condition;
Step 2:Adjust the state of the first valve group, the second valve group of right wing, the second valve group of left and the 3rd valve group, cut-out first
The oil circuit of hydraulic cylinder, the moving component for keeping first hydraulic cylinder are static;Hydraulic oil passes sequentially through the first valve group and left first
Arm is pressed into the epicoele of second hydraulic cylinder, moves down the moving component of second hydraulic cylinder, and in making the cavity of resorption of second hydraulic cylinder
Hydraulic oil passes sequentially through the second arm of left, the second valve group of left and oil return house steward oil return to fuel tank, until second hydraulic cylinder
Moving component is displaced downwardly to extreme lower position;
Step 2:Adjust the state of the first valve group, the second valve group of right wing, the second valve group of left and the 3rd valve group, cut-out second
The oil circuit of hydraulic cylinder, makes the moving component of second hydraulic cylinder be maintained at extreme lower position, and hydraulic oil passes sequentially through the first valve group and the right side
The first arm of road is pressed into the epicoele of first hydraulic cylinder, moves down the moving component of first hydraulic cylinder, and makes under first hydraulic cylinder
Hydraulic oil in chamber is returned by the second arm of right wing, the 3rd valve group, the second arm of left, the second valve group of left and oil return house steward
Oil to fuel tank, until the moving component of first hydraulic cylinder is displaced downwardly to extreme lower position;
Step 3:Adjust the state of the first valve group, the second valve group of right wing, the second valve group of left and the 3rd valve group, cut-out first
The oil circuit of hydraulic cylinder, makes the moving component of first hydraulic cylinder be maintained at extreme lower position, and hydraulic oil passes sequentially through the first valve group, right wing
First arm, the second valve group of right wing, the 3rd valve group and the second arm of left are pressed into the cavity of resorption of second hydraulic cylinder, make the second hydraulic pressure
Move on the moving component of cylinder, meanwhile, the hydraulic oil in the epicoele of second hydraulic cylinder passes sequentially through the first arm of left, the first valve group
And oil return house steward oil return moves to extreme higher position to fuel tank on the moving component of second hydraulic cylinder, double execution are completed
The initialization of unit hydraulic press.
A kind of pair of performance element hydraulic press of the invention, its feature lie also in:Arrange hydraulic press device the course of work be by
Carry out according to following steps:
Step 1:Complete the initialization of described pair of performance element hydraulic press;
Step 2:Adjust the state of the first valve group, the second valve group of right wing, the second valve group of left and the 3rd valve group, hydraulic oil according to
Secondary the first valve group and the first arm of left of passing through carries out the epicoele of the second hydraulic cylinder, makes under the moving component of second hydraulic cylinder
Move, meanwhile, the hydraulic oil in the cavity of resorption of second hydraulic cylinder is passed sequentially through into the second arm of left, the 3rd valve group and right wing second
Pipe is pressed into the cavity of resorption of first hydraulic cylinder, drives;
The state of the first valve group, the second valve group of right wing, the second valve group of left and the 3rd valve group is adjusted, starts liquid pump, hydraulic pressure
Oil passes sequentially through the first valve group and the first arm of right wing is input into the epicoele of first hydraulic cylinder, makes under the moving component of first hydraulic cylinder
Move, meanwhile, the hydraulic oil in the cavity of resorption of first hydraulic cylinder passes sequentially through the second arm of right wing, the 3rd valve group and left second
Pipe is input into the cavity of resorption of second hydraulic cylinder, drives.
Compared with the prior art, the present invention has the beneficial effect that:
1st, the present invention double performance elements are integrated in the body frame of same hydraulic press, realize two hydraulic presses into
Shape function, the work efficiency with two hydraulic presses reduce raw materials consumption and the operational phase of hydraulic press fabrication stage
Take up an area size.
2nd, in the present invention double performance element hydraulic presses using with separate unit hydraulic press identical hydraulic drive source, reduce average
The use of the parts such as motor, pump, valve group and pipeline to separate unit hydraulic press.
3rd, body frame of the invention is made up of two isometric arms, to meet the demand of hydraulic cylinder Arbitrary Relative position,
The difficulty of processing of hydraulic pressure machine frame is reduced, the motility of hydraulic cylinder arrangement is improved.
4th, two hydraulic cylinders of the invention or so are arranged side by side in the front side of rectangular frame, and two hydraulic cylinders is in can be manual
In the range of operation, meet the demand of course of processing improved efficiency hand-manipulated, reduce manual difficulty.
5th, split in the front-end and back-end of strip framework before and after two hydraulic cylinders of the invention, it is ensured that two hydraulic cylinders auxiliary is certainly
Dynamic handling equipment does not influence each other, and takes the processing mode of double performance element hydraulic presses to provide possibility for multiple production line.
6th, in the present invention, the partial act of double performance elements is carried out simultaneously, reduces the time of shaping actions, realizes operation
The high efficiency operation of process;Carry out realizing the merging of load while action, lift the energy efficiency of driver element, subtract
The energy expenditure of operation phase is lacked;Reduce the operating cost of hydraulic press.
Description of the drawings
Fig. 1 is external structure schematic diagram of the present invention;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is the embodiment one of hydraulic pressure machine frame in the present invention;
Fig. 4 is the embodiment two of hydraulic pressure machine frame in the present invention;
Fig. 5 is the embodiment three of hydraulic pressure machine frame in the present invention;
Label in figure:1 hydraulic pressure machine frame, 2 first hydraulic cylinders, 3 second hydraulic cylinders, 4 first workbench, 5 second workbench,
6 fuel tanks, 7 motors, 8 pumps, 9a oil-feed house stewards, 9b oil return house stewards, 10 first valve groups, the second valve group of 12a right wings, 12b left second
Valve group, the second arm of 13a right wings, the second arm of 13b left, 14 the 3rd valve groups, the first arm of 15a right wings, 15b left first
Pipe.
Specific embodiment
Referring to Fig. 1, in the present embodiment, double performance element hydraulic presses are to be provided with same hydraulic pressure machine frame 1 jointly:
In first hydraulic cylinder 2 arranged side by side and second hydraulic cylinder 3, correspondingly office first hydraulic cylinder 2 and second hydraulic cylinder 3 just under
First workbench 4 and the second workbench 5 of side, constitutes the first hydraulic pressure unit by first hydraulic cylinder 2 and the first workbench 4, by the
Second hydraulic pressure unit of two hydraulic cylinders 3 and the composition of the second workbench 5;
Referring to Fig. 2, in the present embodiment, it is that the first hydraulic pressure unit and the second hydraulic pressure unit are arranged altogether in hydraulic pressure machine frame 1
Fuel tank 6, and the shared power source being made up of motor 7 and liquid pump 8, and following fluid pressure line is set:
Oil-feed house steward 9a is connected between the first lower port of the output port of liquid pump 8 and the first valve group 10;
Left the first arm 15b is connected between first upper port of epicoele and the first valve group 10 of second hydraulic cylinder 3;
The first arm of right wing 15a is tee T, and its one end is connected with the epicoele of first hydraulic cylinder 2, the other end and the first valve
Second upper port of group 10 connects, then Single port is connected with the lower port of the second valve group 12a of right wing;
The second arm of left 13b is tee T, and its one end is connected with the cavity of resorption of second hydraulic cylinder 3, the other end and left the
The upper port of two valve groups 12b connects, then one end is connected with the left port of the 3rd valve group 14;
The second arm of right wing 13a is tee T, and its one end is connected with the cavity of resorption of first hydraulic cylinder 2, the other end and right wing the
The upper port of two valve groups 12a connects, then one end is connected with the right output port of the 3rd valve group 14;
Oil return house steward 9b be tee T, its one end connected tank 6, it is another termination the first valve group 10 the second lower port, further
The lower port of termination the second valve group 12b of left.
In being embodied as, the effective work area of rod chamber of first hydraulic cylinder 2 and second hydraulic cylinder 3 is equal, the first hydraulic pressure
Effective work area of the rodless cavity of cylinder 2 and second hydraulic cylinder 3 is also equal;First hydraulic cylinder 2 and second hydraulic cylinder 3 are hydraulic pressure
The combination of piston cylinder or hydraulic ram cylinders and piston cylinder.
First hydraulic cylinder 2 has Fig. 3, Fig. 4 with three kinds of different embodiments shown in Fig. 5 with second hydraulic cylinder 3:
Embodiment 1:As shown in figure 3, the plan view shape of hydraulic pressure machine frame 1 is " V " being made up of the first arm and the second arm
Type, in " V " type framework, first hydraulic cylinder 2 is in the front end of the first arm, and second hydraulic cylinder 3 is in the front end of the second arm,
It is formed with working place between one arm and the second arm, the cylinder body of second hydraulic cylinder 3 and the cylinder body of first hydraulic cylinder 2 are each other
Longitudinal separation is L, and left and right distance is W;And have:The brachium of the first arm and the second arm is L/sin2 α;α is the first arm and second
Angle between arm, 0 °<α<180 °,In this version, body frame is isometric by two
Arm constitute, the demand of hydraulic cylinder Arbitrary Relative position can be met, the difficulty of processing of hydraulic pressure machine frame is reduced, improved liquid
The motility of cylinder pressure arrangement.
Embodiment 2:As shown in figure 4, the plan view shape of hydraulic pressure machine frame 1 is rectangle, first hydraulic cylinder 2 and the second hydraulic pressure
Cylinder 3 is arranged in the front side of rectangular frame, and front side with W' apart from office on the right position of a first from left.This version
In, two hydraulic cylinders or so are arranged side by side in the front side of rectangular frame, two hydraulic cylinders is in manually actuated scope, full
The demand of foot manual operations course of processing improved efficiency, reduces manual difficulty.
Embodiment 3:As shown in figure 5, the plan view shape of hydraulic pressure machine frame 1 is strip, first hydraulic cylinder 2 and the second liquid
Cylinder pressure 3 one in front and one in back splits the longitudinal separation in the front-end and back-end of strip framework, first hydraulic cylinder 2 and second hydraulic cylinder 3
For L'.In this version, split before and after two hydraulic cylinders in the front-end and back-end of strip framework, it is ensured that two hydraulic cylinders are aided in
Automatic loading and unloading device does not influence each other, and takes the processing mode of double performance element hydraulic presses to provide possibility for multiple production line.
In the present embodiment, double performance element hydraulic presses are initialized as follows:
Step 1:Start liquid pump 8, holding liquid pump 8 is working condition;
Step 2:Adjust the shape of the first valve group 10, the second valve group 12a of right wing, the second valve group 12b of left and the 3rd valve group 14
State, cuts off the oil circuit of first hydraulic cylinder 2, and the moving component for keeping first hydraulic cylinder 2 is static;Hydraulic oil passes sequentially through the first valve
Group 10 and the first arm of left 15b is pressed into the epicoeles of second hydraulic cylinders 3, moves down the moving component of second hydraulic cylinder 3, and makes the
Hydraulic oil in the cavity of resorption of two hydraulic cylinders 3 passes sequentially through left the second arm 13b, the second valve group 12b of left and oil return house steward 9b
Oil return to fuel tank 6, until the moving component of second hydraulic cylinder 3 is displaced downwardly to extreme lower position.
Step 2:Adjust the shape of the first valve group 10, the second valve group 12a of right wing, the second valve group 12b of left and the 3rd valve group 14
State, cuts off the oil circuit of second hydraulic cylinder 3, makes the moving component of second hydraulic cylinder 3 be maintained at extreme lower position, and hydraulic oil is passed sequentially through
First valve group 10 and the first arm of right wing 15a are pressed into the epicoele of first hydraulic cylinder 2, move down the moving component of first hydraulic cylinder 2,
And make the hydraulic oil in the cavity of resorption of first hydraulic cylinder 2 pass through right wing the second arm 13a, the 3rd valve group 14, the second arm of left
13b, the second valve group 12b of left and oil return house steward 9b oil returns to fuel tank 6, until the moving component of first hydraulic cylinder 2 is displaced downwardly to
Extreme lower position.
Step 3:Adjust the shape of the first valve group 10, the second valve group 12a of right wing, the second valve group 12b of left and the 3rd valve group 14
State, cuts off the oil circuit of first hydraulic cylinder 2, makes the moving component of first hydraulic cylinder 2 be maintained at extreme lower position, and hydraulic oil is passed sequentially through
First valve group 10, right wing the first arm 15a, the second valve group 12a of right wing, the 3rd valve group 14 and the second arm of left 13b press-in
The cavity of resorption of second hydraulic cylinder 3, makes to move on the moving component of second hydraulic cylinder 3, meanwhile, the hydraulic pressure in the epicoele of second hydraulic cylinder 3
Oil passes sequentially through left the first arm 15b, the first valve group 10 and oil return house steward 9b oil returns to fuel tank 6, until second hydraulic cylinder 3
Moving component on move to extreme higher position, complete the initialization of double performance element hydraulic presses.
The course of work for arranging hydraulic press device is to carry out in accordance with the following steps:
Step 1:Complete the initialization of double performance element hydraulic presses;
Step 2:Adjust the shape of the first valve group 10, the second valve group 12a of right wing, the second valve group 12b of left and the 3rd valve group 14
State, hydraulic oil pass sequentially through the first valve group 10 and left the first arm 15b and carry out the epicoele of second hydraulic cylinder 3, make the second hydraulic pressure
The moving component of cylinder 3 is moved down, meanwhile, by the hydraulic oil in the cavity of resorption of second hydraulic cylinder 3 pass sequentially through left the second arm 13b,
3rd valve group 14 and the second arm of right wing 13a are pressed into the cavity of resorption of first hydraulic cylinder 2, drive on the moving component of first hydraulic cylinder 2
Move;In this course, the moving component for being directly used in lifting first hydraulic cylinder 2 of the potential energy of 3 moving component of second hydraulic cylinder,
Reduce energy loss.
The state of the first valve group 10, the second valve group 12a of right wing, the second valve group 12b of left and the 3rd valve group 14 is adjusted, is started
Liquid pump 8, hydraulic oil passes sequentially through the first valve group 10 and the first arm of right wing 15a is input into the epicoele of first hydraulic cylinder 2, makes the first liquid
The moving component of cylinder pressure 2 is moved down, meanwhile, the hydraulic oil in the cavity of resorption of first hydraulic cylinder 2 pass sequentially through right wing the second arm 13a,
3rd valve group 14 and the second arm of left 13b are input into the cavity of resorption of second hydraulic cylinder 3, drive the moving component of second hydraulic cylinder 3
Upper shifting;In this course, the motion portion for being directly used in lifting second hydraulic cylinder 3 of the potential energy of 2 moving component of first hydraulic cylinder
Part, reduces energy loss.
Claims (6)
1. a kind of pair of performance element hydraulic press, is characterized in that;
It is provided with same hydraulic pressure machine frame (1) jointly:In first hydraulic cylinder (2) arranged side by side and second hydraulic cylinder (3), one
One accordingly first workbench (4) and second workbench of the office immediately below first hydraulic cylinder (2) and second hydraulic cylinder (3)
(5) the first hydraulic pressure unit is constituted by the first hydraulic cylinder (2) and the first workbench (4), by the second hydraulic cylinder (3) and
The second hydraulic pressure unit that second workbench (5) is constituted;
It is that first hydraulic pressure unit and the second hydraulic pressure unit arrange the fuel tank (6) for sharing in the hydraulic pressure machine frame (1), with
And the shared power source being made up of motor (7) and liquid pump (8), and following fluid pressure line is set:
Oil-feed house steward (9a) is connected between the first lower port of the output port of liquid pump (8) and the first valve group (10);
The first arm of left (15b) is connected between the first upper port of the epicoele of second hydraulic cylinder (3) and the first valve group (10);
The first arm of right wing (15a) is tee T, and its one end is connected with the epicoele of first hydraulic cylinder (2), the other end and the first valve
Second upper port of group (10) connects, then Single port is connected with the lower port of the second valve group of right wing (12a);
The second arm of left (13b) is tee T, and its one end is connected with the cavity of resorption of second hydraulic cylinder (3), the other end and left the
The upper port of two valve groups (12b) connects, then one end is connected with the left port of the 3rd valve group (14);
The second arm of right wing (13a) is tee T, and its one end is connected with the cavity of resorption of first hydraulic cylinder (2), the other end and right wing the
The upper port of two valve groups (12a) connects, then one end is connected with the right output port of the 3rd valve group (14);
Oil return house steward (9b) is tee T, its one end connected tank (6), the second lower port of the first valve group of another termination (10), then
The lower port of one termination the second valve group of left (12b).
2. according to claim 1 pair of performance element hydraulic press, is characterized in that:The first hydraulic cylinder (2) and the second liquid
The effective work area of rod chamber of cylinder pressure (3) is equal, and the rodless cavity of the first hydraulic cylinder (2) and second hydraulic cylinder (3) has
Effect work area is also equal.
3. according to claim 1 pair of performance element hydraulic press, is characterized in that:The first hydraulic cylinder (2) and the second liquid
Cylinder pressure (3) is hydraulic piston cylinder.
4. according to claim 1 pair of performance element hydraulic press, is characterized in that the first hydraulic cylinder (2) and the second hydraulic pressure
Cylinder (3) is arranged as follows:
Mode 1:The plan view shape of the hydraulic pressure machine frame (1) is " V " type being made up of the first arm and the second arm, in " V " type frame
In frame, first hydraulic cylinder (2) is in the front end of the first arm, and second hydraulic cylinder (3) is in the front end of the second arm, in the first arm and
Be formed with working place between two arms, the cylinder body of second hydraulic cylinder (3) and the cylinder body of first hydraulic cylinder (2) each other before and after
Distance is L, and left and right distance is W;And have:
The brachium of the first arm and the second arm is L/sin (2 α);
α is the angle between the first arm and the second arm, 0 °<α<180 °,
Mode 2:The plan view shape of the hydraulic pressure machine frame (1) is rectangle, first hydraulic cylinder (2) and second hydraulic cylinder (3) arrangement
In the front side of rectangular frame, and front side with W' apart from office on the right position of a first from left;
Mode 3:The plan view shape of the hydraulic pressure machine frame (1) is strip, first hydraulic cylinder (2) and second hydraulic cylinder (3)
Split after previous in the front-end and back-end of strip framework, the longitudinal separation of first hydraulic cylinder (2) and second hydraulic cylinder (3) is
L'。
5. a kind of control method of the double performance element hydraulic presses described in claim 1, is characterized in that:Described pair of performance element liquid
Press is initialized as follows
Step 1:Start liquid pump (8), keep liquid pump (8) to be working condition;
Step 2:Adjust the first valve group (10), the second valve group of right wing (12a), the second valve group of left (12b) and the 3rd valve group (14)
State, cut off the oil circuit of first hydraulic cylinder (2), keep the moving component of first hydraulic cylinder (2) for static;Hydraulic oil leads to successively
The epicoele of the first valve group (10) and the first arm of left (15b) press-in second hydraulic cylinder (3) is crossed, the fortune of second hydraulic cylinder (3) is made
Dynamic component is moved down, and makes the hydraulic oil in the cavity of resorption of second hydraulic cylinder (3) pass sequentially through the second arm of left (13b), left
Two valve groups (12b) and oil return house steward (9b) oil return to fuel tank (6), until the moving component of second hydraulic cylinder (3) be displaced downwardly to it is minimum
Position;
Step 2:Adjust the first valve group (10), the second valve group of right wing (12a), the second valve group of left (12b) and the 3rd valve group (14)
State, cut off second hydraulic cylinder (3) oil circuit, make the moving component of second hydraulic cylinder (3) be maintained at extreme lower position, hydraulic oil
The epicoele of the first valve group (10) and the first arm of right wing (15a) press-in first hydraulic cylinder (2) is passed sequentially through, first hydraulic cylinder is made
(2) moving component is moved down, and make hydraulic oil in the cavity of resorption of first hydraulic cylinder (2) by the second arm of right wing (13a), the 3rd
Valve group (14), the second arm of left (13b), the second valve group of left (12b) and oil return house steward (9b) oil return to fuel tank (6), directly
Moving component to first hydraulic cylinder (2) is displaced downwardly to extreme lower position;
Step 3:Adjust the first valve group (10), the second valve group of right wing (12a), the second valve group of left (12b) and the 3rd valve group (14)
State, cut off first hydraulic cylinder (2) oil circuit, make the moving component of first hydraulic cylinder (2) be maintained at extreme lower position, hydraulic oil
Pass sequentially through the first valve group (10), the first arm of right wing (15a), the second valve group of right wing (12a), the 3rd valve group (14) and left
The cavity of resorption of the second arm (13b) press-in second hydraulic cylinder (3), makes to move on the moving component of second hydraulic cylinder (3), meanwhile, second
Hydraulic oil in the epicoele of hydraulic cylinder (3) passes sequentially through the first arm of left (15b), the first valve group (10) and oil return house steward
(9b) oil return moves to extreme higher position to fuel tank (6) on the moving component of second hydraulic cylinder (3), completes described pair and performs list
The initialization of first hydraulic press.
6. the control method of according to claim 5 pair of performance element hydraulic press, is characterized in that:Hydraulic press device is set
The course of work is to carry out in accordance with the following steps:
Step 1:Complete the initialization of described pair of performance element hydraulic press;
Step 2:Adjust the first valve group (10), the second valve group of right wing (12a), the second valve group of left (12b) and the 3rd valve group (14)
State, hydraulic oil passes sequentially through the first valve group (10) and the first arm of left (15b) and carries out the upper of the second hydraulic cylinder (3)
Chamber, moves down the moving component of second hydraulic cylinder (3), meanwhile, the hydraulic oil in the cavity of resorption of second hydraulic cylinder (3) is passed sequentially through
The cavity of resorption of the second arm of left (13b), the 3rd valve group (14) and the second arm of right wing (13a) press-in first hydraulic cylinder (2), drives
Move on the moving component of first hydraulic cylinder (2);
The state of the first valve group (10), the second valve group of right wing (12a), the second valve group of left (12b) and the 3rd valve group (14) is adjusted,
Start liquid pump (8), hydraulic oil passes sequentially through the first valve group (10) and the first arm of right wing (15a) is input into first hydraulic cylinder (2)
Epicoele, moves down the moving component of first hydraulic cylinder (2), meanwhile, the hydraulic oil in the cavity of resorption of first hydraulic cylinder (2) is passed sequentially through
The cavity of resorption of the second arm of right wing (13a), the 3rd valve group (14) and the second arm of left (13b) input second hydraulic cylinder (3), band
Move on the moving component of dynamic second hydraulic cylinder (3).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810052097.9A CN108248089B (en) | 2016-11-30 | 2016-11-30 | A kind of control method of double execution unit hydraulic presses |
CN201611083061.4A CN106553370B (en) | 2016-11-30 | 2016-11-30 | A kind of double execution unit hydraulic presses |
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