CN105058833B - Numerical control hydraulic machine - Google Patents

Numerical control hydraulic machine Download PDF

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Publication number
CN105058833B
CN105058833B CN201510498357.1A CN201510498357A CN105058833B CN 105058833 B CN105058833 B CN 105058833B CN 201510498357 A CN201510498357 A CN 201510498357A CN 105058833 B CN105058833 B CN 105058833B
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oil
cylinder
valve
leading screw
numerical control
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CN105058833A (en
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赵晓波
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Tianjin Zhengcheng Urban Infrastructure Investment Co., Ltd.
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Tianjin Quan Long Trade Co Ltd
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Abstract

The invention provides a numerical control hydraulic machine. An operation screen is arranged at the top end of a pressure oil source; an oil outlet is also formed in the top end of the pressure oil source and is connected with one end of a high-pressure oil pipe; the other end of the high-pressure oil pipe is connected with a numerical control oil cylinder; an oil returning opening is formed in the bottom end of the pressure oil source and is connected with one end of an oil returning pipe; the other end of the oil returning pipe is connected with the numerical control oil cylinder; a servo motor is arranged at the top end of a valve body; a cylinder body is arranged at the lower end of the valve body; the valve body is connected with the upper end of the cylinder body by an upper chamber oil pipe of the oil cylinder and is connected with the lower end of the cylinder body by a lower chamber oil pipe of the oil cylinder; a pressure head is arranged at the bottom end of the numerical control oil cylinder; the numerical control oil cylinder is arranged on a numerical control oil cylinder arranging frame. The numerical control hydraulic machine is capable of solving the synchronization problem of more than two numerical control oil cylinders; the position control precision of the pressure head is high; the velocity of movement of the pressure head is controllable; the use of a distance setting device, complex valve block and valve unit, expensive proportional valve and proportional pump and the like is avoided; a hydraulic system and an overall mechanical structure are simplified, so the reliability of the overall machine is improved.

Description

A kind of numerically controlled hydraulic press
Technical field
A kind of the present invention relates to field, more particularly, it relates to numerically controlled hydraulic press.
Background technology
Hydraulic press is a kind of with liquid as working media, is used for transmitting energy to realize respectively according to made by pascal's principle Plant the machine of technique.Hydraulic press is typically made up of the machine (main frame), dynamical system and three part of hydraulic control system.Hydraulic press point Class has valve hydraulic press, liquid hydraulic press, project hydropress.
Hydraulic press is a kind of with liquid as working media, for transmitting energy to realize polytechnic machine.Hydraulic press Except in addition to excellent suitability for press forming, it can also be used to correct, press-fit, packing, briquetting and pressing plate etc., hydraulic press includes hydraulic press and oil pressure Machine, the referred to as hydraulic press with water fluid as working media, the referred to as hydraulic press with oil as working media.The specification one of hydraulic press As use nominal operational forces (thousand Ns) or nominal tonnage (ton) to represent.Forging hydraulic press is mostly hydraulic press, and tonnage is higher.For reducing Equipment size, large-sized forging hydraulic press commonly use higher pressure (35 MPas or so), are also adopted by sometimes more than 100 MPas of superelevation Pressure, typically using 6~25 MPas of operating pressure, the tonnage of hydraulic press is lower than hydraulic press for the hydraulic press of other purposes.
The ultimate principle of hydraulic press is that oil pump is transported to integrated Cartridge inserted valve integrated block hydraulic oil, by each check valve and overflow Epicoele or cavity of resorption of the valve hydraulic oil distribution to oil cylinder, in the presence of hydraulic oil, are moved oil cylinder. and hydraulic press is profit The equipment of pressure is transmitted with liquid.Liquid is to follow Pascal's law when transmitting pressure in closed container, four post hydraulic pressure The Hydraulic Power Transmission System of machine is made up of actuating unit, controlling organization, actuator, auxiliary body and working media, actuating unit Formula oil pump is generally accumulated as actuating unit using oil pump generally.In order to meet the requirement of actuator movement velocity, one is selected Individual oil pump or multiple oil pumps.Low pressure (oil pressure is less than 2.5MP) uses gear pump;Middle pressure (oil pressure is less than 6.3MP) uses vane pump;High pressure (oil pressure is less than 32.0MP) uses plunger displacement pump.It is the extruding of the pressure processing of various plastic materials and shaping, such as corrosion resistant plate, curved The cold-press moulding of bent, drawing and metal parts, while also can be used for pulverulent product, emery wheel, bakelite, the pressure of resin thermoset product System.
The content of the invention
Instant invention overcomes deficiency of the prior art, there is provided a kind of numerically controlled hydraulic press.
The purpose of the present invention is achieved by following technical proposals.
A kind of numerically controlled hydraulic press, including on pressure oil-source, operation screen, high-pressure oil pipe, oil return pipe, numerical control oil cylinder, oil cylinder Chamber oil pipe, oil cylinder lower cavity oil pipe, pressure head and numerical control oil cylinder placement frame, the pressure oil-source top is provided with the operator control panel Curtain, the pressure oil-source top are additionally provided with oil-out, and the oil-out is connected with described high-pressure oil pipe one end, the hydraulic oil The pipe other end is connected with the numerical control oil cylinder, and the pressure oil-source bottom is provided with oil return opening, the oil return opening and the oil return Pipe one end be connected, the oil return pipe other end is connected with the numerical control oil cylinder, the numerical control oil cylinder include servomotor, valve body with And cylinder body, the servomotor is arranged on the top end of the valve body, and the valve body low side is provided with the cylinder body, and the valve body passes through The cylinder upper cavity oil oil pipe is connected with the cylinder body upper end, and the valve body passes through the oil cylinder lower cavity oil pipe and the cylinder body lower end It is connected, the numerical control oil cylinder bottom is provided with the pressure head, the numerical control oil cylinder is arranged on the numerical control oil cylinder placement frame, The numerical control oil cylinder placement frame includes being provided with numerical control oil cylinder on upper beam, column and underbeam, the upper beam and the underbeam Placement hole, the column two ends are provided with the upper beam and the underbeam.
Shaft coupling, valve element leading screw, valve element, valve body leading screw and leading screw shaft coupling, the servo is provided with the valve body Motor is connected with the shaft coupling top, and the shaft coupling bottom is connected with the valve element top by the valve element leading screw, institute State valve element bottom to be connected with the leading screw shaft coupling top by the valve body leading screw, the valve element and the valve body leading screw it Between be provided with the first oil-out, the second oil-out, oil-in and oil return opening, first oil-out and described second fuel-displaced Mouth is arranged on described valve body the same side, and the oil-in and the oil return opening are arranged on the valve body opposite side, and described first Oil-out and second oil-out are higher than the oil-in and the oil return opening, are provided with bearing, work in the cylinder body Plug leading screw, feed screw nut, piston, cylinder mouth flange and piston rod, the leading screw shaft coupling bottom are connected with the bearing top, The bearing bottom is connected with the piston tip by the piston leading screw and the feed screw nut, and the piston bottom end sets Put in the piston rod, the cylinder mouth flange is arranged on the cylinder body bottom.
The first return line is provided between the piston leading screw and the cylinder body, and first oil-out is by described Cylinder upper cavity oil oil pipe is connected with first return line, is provided with the second oil return pipe between the piston rod and the cylinder body Road, second oil-out are connected with second return line by the oil cylinder lower cavity oil pipe.
First oil-out is connected with the first return line top by the cylinder upper cavity oil oil pipe, and described second Oil-out is connected with the second return line bottom by the oil cylinder lower cavity oil pipe.
The cylinder mouth flange is arranged on below the second return line bottom.
Shaft coupling, valve element leading screw, valve element, valve body leading screw and leading screw shaft coupling, the servo is provided with the valve body Motor is connected with the shaft coupling top, and the shaft coupling bottom is connected with the valve element top by the valve element leading screw, institute State valve element bottom to be connected with the leading screw shaft coupling top by the valve body leading screw, the valve element and the valve body leading screw it Between be provided with the first oil-out, the second oil-out, oil-in and oil return opening, first oil-out and described second fuel-displaced Mouth is arranged on described valve body the same side, and the oil-in and the oil return opening are arranged on the valve body opposite side, and described first Oil-out and second oil-out are higher than the oil-in and the oil return opening, are provided with bearing, work in the cylinder body Plug leading screw, feed screw nut, piston, oval cylinder mouth flange and oval piston bar, the leading screw shaft coupling bottom and the bearing Top is connected, and the bearing bottom is connected with the piston tip by the piston leading screw and the feed screw nut, described Piston bottom end is arranged on the oval piston bar, and the oval piston bar adopts cross section for oval structure, the ellipse Cylinder mouth flange is arranged on the cylinder body bottom, is additionally provided with oval guide flange in the cylinder body Basolateral.
The first return line is provided between the piston leading screw and the cylinder body, and first oil-out is by described Cylinder upper cavity oil oil pipe is connected with first return line, between the oval piston bar and the cylinder body is provided with second time Oil pipe line, second oil-out are connected with second return line by the oil cylinder lower cavity oil pipe.
First oil-out is connected with the first return line top by the cylinder upper cavity oil oil pipe, and described second Oil-out is connected with the second return line bottom by the oil cylinder lower cavity oil pipe.
The oval cylinder mouth flange is arranged on below the second return line bottom.
Beneficial effects of the present invention are:Compared with prior art, due to being provided with servomotor, by setting servomotor Relevant parameter such that it is able to set and control the speed of service of the numerical control oil cylinder;The setting of servomotor also causes the number The position control degree of accuracy of oil-control cylinder is greatly improved, by being configured to servomotor, so as to the position of control cylinder operation, So that the position control degree of accuracy of the numerical control oil cylinder is greatly enhanced;Oval cylinder mouth flange, oval piston bar and ellipse are led To the setting of flange, so oval piston bar is unable to rotation, thus the numerical control oil cylinder day be born with possess have very strong steering capability and Do not need outer guider to be oriented to which, so as to save outer guider, saved cost, so that the numerical control oil yet The structure of cylinder is more simple, with simple structure, easy to maintenance, the advantages of processing cost is low, production efficiency is high;Solve simultaneously The stationary problem of two or more numerical control oil cylinder, ram position control accuracy are high, and the movement velocity of pressure head can be controlled, without Limit device, without complicated valve block, the proportioning valve of valve group and costliness, proportioning pump etc., simplifies hydraulic system and whole machine Frame for movement, so that improve the reliability of whole machine.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the structural representation (embodiment 1) of numerical control oil cylinder in the present invention;
Fig. 3 is the structural representation (embodiment 2) of numerical control oil cylinder in the present invention.
In figure:01 is pressure oil-source, and 02 is operation screen, and 03 is high-pressure oil pipe, and 04 is oil return pipe, and 05 is numerical control oil cylinder, 06 is cylinder upper cavity oil oil pipe, and 07 is oil cylinder lower cavity oil pipe, and 08 is upper beam, and 09 is pressure head, and 10 is column, and 11 is underbeam, and 12 is to watch Motor is taken, 13 is shaft coupling, and 14 is valve element leading screw, and 15 is valve element, and 16 is valve body, and 17 is valve body leading screw, and 18 is leading screw shaft coupling, 19 is bearing, and 20 is piston leading screw, and 21 is feed screw nut, and 22 is piston, and 23 is cylinder mouth flange, and 24 is cylinder body, and 25 is piston rod, 26 are oval cylinder mouth flange, and 27 is oval piston bar, and 28 are oval guide flange, and A is the first oil-out, and B is the second oil-out, P is oil-in, and T is oil return opening.
Specific embodiment
Technical scheme is further described below by specific embodiment.
As shown in Figure 1 to Figure 3, wherein, 01 is pressure oil-source, and 02 is operation screen, and 03 is high-pressure oil pipe, and 04 is oil return Pipe, 05 is numerical control oil cylinder, and 06 is cylinder upper cavity oil oil pipe, and 07 is oil cylinder lower cavity oil pipe, and 08 is upper beam, and 09 is pressure head, and 10 is column, 11 is underbeam, and 12 is servomotor, and 13 is shaft coupling, and 14 is valve element leading screw, and 15 is valve element, and 16 is valve body, and 17 is valve body leading screw, 18 is leading screw shaft coupling, and 19 is bearing, and 20 is piston leading screw, and 21 is feed screw nut, and 22 is piston, and 23 is cylinder mouth flange, and 24 are Cylinder body, 25 is piston rod, and 26 are oval cylinder mouth flange, and 27 is oval piston bar, and 28 are oval guide flange, and A is first fuel-displaced Mouthful, B is the second oil-out, and P is oil-in, and T is oil return opening.
Embodiment 1
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 in cylinder body 24 And piston rod 25,18 bottom of leading screw shaft coupling is connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and silk Thick stick nut 21 is connected with 22 top of piston, and 22 bottom of piston is arranged on piston rod 25, and cylinder mouth flange 23 is arranged on 24 bottom of cylinder body.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between piston rod 25 and cylinder body 24, and the second oil-out B leads to Cross oil cylinder lower cavity oil pipe 07 to be connected with the second return line.
First oil-out A is connected with the first return line top by cylinder upper cavity oil oil pipe 06, and the second oil-out B is by oil Cylinder lower cavity oil pipe 07 is connected with the second return line bottom.
Cylinder mouth flange 23 is arranged on below the second return line bottom.
The course of work:After servomotor 12 receives instruction, rotate and push away with movable valve plug leading screw 14 by shaft coupling 13 Movable valve plug 15 is moved, it is assumed that valve element 15 is moved up so that hydraulic pressure oil is entered through the first oil-out A by oil inlet P To the epicoele of cylinder body 24, the fluid of 24 cavity of resorption of cylinder body is back in oil return inlet T through the second oil-out B of valve element 15, then piston 22 promotion piston rods 25 are moved down, and while piston 22 is moved down, feed screw nut 21 is also moved down therewith, leading screw spiral shell Female 21 movement forces piston leading screw 20 to rotate, the rotation of piston leading screw 20 by by leading screw shaft coupling 18 with moving valve leading screw 17 Rotate, valve body 16 is also moved down, subsequently close off dead first oil-out A, the The oil circuit of two oil-out B, oil inlet P and oil return inlet T so that piston rod 25 be moved down on the required position of instruction and It is slack;If the instruction for being sent to servomotor 12 is reverse signal, piston rod 25 is moved upwards up in instruction institute It is slack on the position of requirement.
Compared with prior art, due to being provided with servomotor, by setting the relevant parameter of servomotor such that it is able to Set and control the speed of service of the numerical control oil cylinder;The setting of servomotor also causes the position control of the numerical control oil cylinder accurate Degree is greatly improved, by being configured to servomotor, so as to the position of control cylinder operation, so that the position of the numerical control oil cylinder Put control accuracy to be greatly enhanced;The stationary problem of two or more numerical control oil cylinder, ram position control essence is solved simultaneously Degree is high, and the movement velocity of pressure head can be controlled, without limit device, without the ratio of complicated valve block, valve group and costliness Example valve, proportioning pump etc., simplify hydraulic system and whole machine frame for movement, so as to improve the reliability of whole machine.
Embodiment 2
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth method in cylinder body 24 Orchid 26 and oval piston bar 27,18 bottom of leading screw shaft coupling are connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and feed screw nut 21 be connected with 22 top of piston, 22 bottom of piston is arranged on oval piston bar 27, and oval piston bar 27 is adopted It is oval structure with cross section, oval cylinder mouth flange 26 is arranged on 24 bottom of cylinder body, also sets up in 24 Basolateral of cylinder body There is oval guide flange 28.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between oval piston bar 27 and cylinder body 24, and second is fuel-displaced Mouth B is connected with the second return line by oil cylinder lower cavity oil pipe 07.
First oil-out A is connected with the first return line top by cylinder upper cavity oil oil pipe 06, and the second oil-out B is by oil Cylinder lower cavity oil pipe 07 is connected with the second return line bottom.
Oval cylinder mouth flange 26 is arranged on below the second return line bottom.
The course of work:After servomotor 12 receives instruction, rotate and push away with movable valve plug leading screw 14 by shaft coupling 13 Movable valve plug 15 is moved, it is assumed that valve element 15 is moved up so that hydraulic pressure oil is entered through the first oil-out A by oil inlet P To the epicoele of cylinder body 24, the fluid of 24 cavity of resorption of cylinder body is back in oil return inlet T through the second oil-out B of valve element 15, then piston 22 promotion oval piston bars 27 are moved down, and while piston 22 is moved down, feed screw nut 21 is also moved down therewith, silk The movement of thick stick nut 21 forces piston leading screw 20 to rotate, the rotation of piston leading screw 20 by by leading screw shaft coupling 18 with moving valve silk Thick stick 17 is rotated, and valve body 16 is also moved down under the effect of valve body leading screw 17, is subsequently closed off dead first oil-out The oil circuit of A, the second oil-out B, oil inlet P and oil return inlet T so that oval piston bar 27 is moved down into the required position of instruction It is slack on putting;If the instruction for being sent to servomotor 12 is reverse signal, oval piston bar 27 is moved upwards Move on the required position of instruction and slack;Because there is oval cylinder mouth flange 26, oval piston bar 27 and ellipse The presence of circle guide flange 28, oval piston bar 27 cannot rotation, so numerical control ellipse oil cylinder day is born with to possess and has very strong Steering capability is without outer guider.
Compared with prior art, due to being provided with servomotor, by setting the relevant parameter of servomotor such that it is able to Set and control the speed of service of the numerical control oil cylinder;The setting of servomotor also causes the position control of the numerical control oil cylinder accurate Degree is greatly improved, by being configured to servomotor, so as to the position of control cylinder operation, so that the position of the numerical control oil cylinder Put control accuracy to be greatly enhanced;Oval cylinder mouth flange, the setting of oval piston bar and oval guide flange, so oval Piston rod is unable to rotation, therefore the numerical control oil cylinder day is born with to possess and has very strong steering capability to come to which without outer guider It is oriented to, so as to save outer guider, has been saved cost, also so that the structure of the numerical control oil cylinder is more simple, tool There is simple structure, it is easy to maintenance, the advantages of processing cost is low, production efficiency is high;Solve two or more numerical control oil cylinder simultaneously Stationary problem, ram position control accuracy are high, and the movement velocity of pressure head can be controlled, without limit device, without complexity Valve block, the proportioning valve of valve group and costliness, proportioning pump etc., simplify hydraulic system and whole machine frame for movement, so as to improve The reliability of whole machine.
Embodiment 3
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 in cylinder body 24 And piston rod 25,18 bottom of leading screw shaft coupling is connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and silk Thick stick nut 21 is connected with 22 top of piston, and 22 bottom of piston is arranged on piston rod 25, and cylinder mouth flange 23 is arranged on 24 bottom of cylinder body.
Embodiment 4
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth method in cylinder body 24 Orchid 26 and oval piston bar 27,18 bottom of leading screw shaft coupling are connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and feed screw nut 21 be connected with 22 top of piston, 22 bottom of piston is arranged on oval piston bar 27, and oval piston bar 27 is adopted It is oval structure with cross section, oval cylinder mouth flange 26 is arranged on 24 bottom of cylinder body, also sets up in 24 Basolateral of cylinder body There is oval guide flange 28.
Embodiment 5
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 in cylinder body 24 And piston rod 25,18 bottom of leading screw shaft coupling is connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and silk Thick stick nut 21 is connected with 22 top of piston, and 22 bottom of piston is arranged on piston rod 25, and cylinder mouth flange 23 is arranged on 24 bottom of cylinder body.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between piston rod 25 and cylinder body 24, and the second oil-out B leads to Cross oil cylinder lower cavity oil pipe 07 to be connected with the second return line.
Embodiment 6
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth method in cylinder body 24 Orchid 26 and oval piston bar 27,18 bottom of leading screw shaft coupling are connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and feed screw nut 21 be connected with 22 top of piston, 22 bottom of piston is arranged on oval piston bar 27, and oval piston bar 27 is adopted It is oval structure with cross section, oval cylinder mouth flange 26 is arranged on 24 bottom of cylinder body, also sets up in 24 Basolateral of cylinder body There is oval guide flange 28.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between oval piston bar 27 and cylinder body 24, and second is fuel-displaced Mouth B is connected with the second return line by oil cylinder lower cavity oil pipe 07.
Embodiment 7
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 in cylinder body 24 And piston rod 25,18 bottom of leading screw shaft coupling is connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and silk Thick stick nut 21 is connected with 22 top of piston, and 22 bottom of piston is arranged on piston rod 25, and cylinder mouth flange 23 is arranged on 24 bottom of cylinder body.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between piston rod 25 and cylinder body 24, and the second oil-out B leads to Cross oil cylinder lower cavity oil pipe 07 to be connected with the second return line.
First oil-out A is connected with the first return line top by cylinder upper cavity oil oil pipe 06, and the second oil-out B is by oil Cylinder lower cavity oil pipe 07 is connected with the second return line bottom.
Embodiment 8
A kind of numerically controlled hydraulic press, including pressure oil-source 01, operation screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05th, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placement frame, 01 top of pressure oil-source is arranged There is operation screen 02,01 top of pressure oil-source is additionally provided with oil-out, and oil-out is connected with 03 one end of high-pressure oil pipe, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, and 01 bottom of pressure oil-source is provided with oil return opening, and oil return opening is connected with 04 one end of oil return pipe, 04 other end of oil return pipe is connected with numerical control oil cylinder 05, and numerical control oil cylinder 05 includes servomotor 12, valve body 16 and cylinder body 24, servo Motor 12 is arranged on 16 top of valve body, and 16 low side of valve body is provided with cylinder body 24, and valve body 16 passes through cylinder upper cavity oil oil pipe 06 and cylinder body 24 upper ends are connected, and valve body 16 is connected with 24 lower end of cylinder body by oil cylinder lower cavity oil pipe 07, and 05 bottom of numerical control oil cylinder is provided with pressure 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placement frame, and numerical control oil cylinder placement frame includes upper beam 08, column 10 and underbeam 11, numerical control oil cylinder placement hole is provided with upper beam 08 and underbeam 11,10 two ends of column are provided with upper beam 08 and underbeam 11.
Shaft coupling 13, valve element leading screw 14, valve element 15, valve body leading screw 17 and leading screw shaft coupling 18 are provided with valve body 16, Servomotor 12 is connected with 13 top of shaft coupling, and 13 bottom of shaft coupling is connected with 15 top of valve element by valve element leading screw 14, valve element 15 bottoms are connected with 18 top of leading screw shaft coupling by valve body leading screw 17, between valve element 15 and valve body leading screw 17 are provided with first Oil-out A, the second oil-out B, oil inlet P and oil return inlet T, the first oil-out A and the second oil-out B are arranged on valve body 16 The same side, oil inlet P and oil return inlet T are arranged on 16 opposite side of valve body, the first oil-out A and the second oil-out B be higher than into Hydraulic fluid port P and oil return inlet T, are provided with bearing 19, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth method in cylinder body 24 Orchid 26 and oval piston bar 27,18 bottom of leading screw shaft coupling are connected with 19 top of bearing, and 19 bottom of bearing passes through piston leading screw 20 and feed screw nut 21 be connected with 22 top of piston, 22 bottom of piston is arranged on oval piston bar 27, and oval piston bar 27 is adopted It is oval structure with cross section, oval cylinder mouth flange 26 is arranged on 24 bottom of cylinder body, also sets up in 24 Basolateral of cylinder body There is oval guide flange 28.
The first return line is provided between piston leading screw 20 and cylinder body 24, and the first oil-out A is by cylinder upper cavity oil oil Pipe 06 is connected with the first return line, is provided with the second return line between oval piston bar 27 and cylinder body 24, and second is fuel-displaced Mouth B is connected with the second return line by oil cylinder lower cavity oil pipe 07.
First oil-out A is connected with the first return line top by cylinder upper cavity oil oil pipe 06, and the second oil-out B is by oil Cylinder lower cavity oil pipe 07 is connected with the second return line bottom.
Above the present invention is described in detail, but the content has been only presently preferred embodiments of the present invention, it is impossible to recognized It is the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., still all should return Belong within the patent covering scope of the present invention.

Claims (9)

1. a kind of numerically controlled hydraulic press, it is characterised in that:Including pressure oil-source, operation screen, high-pressure oil pipe, oil return pipe, numerical control oil Cylinder, cylinder upper cavity oil oil pipe, oil cylinder lower cavity oil pipe, pressure head and numerical control oil cylinder placement frame, the pressure oil-source top is arranged Operation screen is stated, the pressure oil-source top is additionally provided with oil-out, and the oil-out is connected with described high-pressure oil pipe one end, institute State the high-pressure oil pipe other end to be connected with the numerical control oil cylinder, the pressure oil-source bottom is provided with oil return opening, the oil return opening with Described oil return pipe one end is connected, and the oil return pipe other end is connected with the numerical control oil cylinder, and the numerical control oil cylinder includes servo electricity Machine, valve body and cylinder body, the servomotor are arranged on the top end of the valve body, and the valve body bottom is provided with the cylinder body, institute State valve body to be connected with the cylinder body upper end by the cylinder upper cavity oil oil pipe, the valve body passes through the oil cylinder lower cavity oil pipe and institute State cylinder body lower end to be connected, the numerical control oil cylinder bottom is provided with the pressure head, the numerical control oil cylinder is arranged on the numerical control oil On cylinder placement frame, the numerical control oil cylinder placement frame includes being respectively provided with upper beam, column and underbeam, the upper beam and the underbeam There is numerical control oil cylinder placement hole, the column two ends are provided with the upper beam and the underbeam.
2. a kind of numerically controlled hydraulic press according to claim 1, it is characterised in that:Shaft coupling, valve is provided with the valve body Core filaments thick stick, valve element, valve body leading screw and leading screw shaft coupling, the servomotor are connected with the shaft coupling top, the shaft coupling Device bottom is connected with the valve element top by the valve element leading screw, and the valve element bottom passes through the valve body leading screw and the silk Thick stick shaft coupling top is connected, and is provided with the first oil-out, the second oil-out, oil-feed between the valve element and the valve body leading screw Mouth and oil return opening, first oil-out and second oil-out are arranged on described valve body the same side, the oil-in And the oil return opening is arranged on the valve body opposite side, first oil-out and second oil-out higher than it is described enter Hydraulic fluid port and the oil return opening, are provided with bearing, piston leading screw, feed screw nut, piston, cylinder mouth flange and work in the cylinder body Stopper rod, the leading screw shaft coupling bottom are connected with the bearing top, and the bearing bottom passes through the piston leading screw and institute State feed screw nut to be connected with the piston tip, the piston bottom end is arranged on the piston rod, the cylinder mouth flange is arranged on The cylinder body bottom.
3. a kind of numerically controlled hydraulic press according to claim 2, it is characterised in that:The piston leading screw and the cylinder body it Between be provided with the first return line, first oil-out is by the cylinder upper cavity oil oil pipe and the first return line phase Even, the second return line is provided between the piston rod and the cylinder body, and second oil-out is by under the oil cylinder Chamber oil pipe is connected with second return line.
4. a kind of numerically controlled hydraulic press according to claim 3, it is characterised in that:First oil-out passes through the oil cylinder Epicoele oil pipe is connected with the first return line top, and second oil-out is by the oil cylinder lower cavity oil pipe and described the Two return line bottoms are connected.
5. a kind of numerically controlled hydraulic press according to claim 3, it is characterised in that:The cylinder mouth flange is arranged on described second Below return line bottom.
6. a kind of numerically controlled hydraulic press according to claim 1, it is characterised in that:Shaft coupling, valve is provided with the valve body Core filaments thick stick, valve element, valve body leading screw and leading screw shaft coupling, the servomotor are connected with the shaft coupling top, the shaft coupling Device bottom is connected with the valve element top by the valve element leading screw, and the valve element bottom passes through the valve body leading screw and the silk Thick stick shaft coupling top is connected, and is provided with the first oil-out, the second oil-out, oil-feed between the valve element and the valve body leading screw Mouth and oil return opening, first oil-out and second oil-out are arranged on described valve body the same side, the oil-in And the oil return opening is arranged on the valve body opposite side, first oil-out and second oil-out higher than it is described enter Hydraulic fluid port and the oil return opening, be provided with bearing, piston leading screw, feed screw nut, piston, oval cylinder mouth flange in the cylinder body with And oval piston bar, the leading screw shaft coupling bottom is connected with the bearing top, and the bearing bottom passes through the piston silk Thick stick and the feed screw nut are connected with the piston tip, and the piston bottom end is arranged on the oval piston bar, described ellipse Flexible stopper rod adopts cross section for oval structure, and the oval cylinder mouth flange is arranged on the cylinder body bottom, in the cylinder Body Basolateral is additionally provided with oval guide flange.
7. a kind of numerically controlled hydraulic press according to claim 6, it is characterised in that:The piston leading screw and the cylinder body it Between be provided with the first return line, first oil-out is by the cylinder upper cavity oil oil pipe and the first return line phase Even, the second return line is provided between the oval piston bar and the cylinder body, and second oil-out passes through the oil Cylinder lower cavity oil pipe is connected with second return line.
8. a kind of numerically controlled hydraulic press according to claim 7, it is characterised in that:First oil-out passes through the oil cylinder Epicoele oil pipe is connected with the first return line top, and second oil-out is by the oil cylinder lower cavity oil pipe and described the Two return line bottoms are connected.
9. a kind of numerically controlled hydraulic press according to claim 7, it is characterised in that:The oval cylinder mouth flange is arranged on described Below second return line bottom.
CN201510498357.1A 2015-08-13 2015-08-13 Numerical control hydraulic machine Active CN105058833B (en)

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CN106863887B (en) * 2015-12-10 2018-08-28 四川长江液压天成机械有限公司 A kind of fully automatic hydraulic formation system
CN105965946B (en) * 2016-07-12 2019-03-08 南通建恒机械制造有限公司 Full-automatic aluminium-foil leftover pieces cuber
CN106289461B (en) * 2016-08-31 2019-11-08 金卡智能集团股份有限公司 A kind of two-chamber piston type gas flow standard
CN106369006A (en) * 2016-11-14 2017-02-01 浙江大学舟山海洋研究中心 Digital servo hydraulic cylinder
CN106884827A (en) * 2017-03-22 2017-06-23 燕山大学 A kind of valve element Direct Action Type Numeric hydraulic cylinder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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JPS5827121Y2 (en) * 1978-07-25 1983-06-13
CN1016090B (en) * 1989-11-08 1992-04-01 中国科学院沈阳自动化研究所 High-speed hydraulic servo cylinder
CN101451549B (en) * 2007-11-30 2011-04-20 比亚迪股份有限公司 Method for controlling hydraulic system and hydraulic system for implementing the same
CN103075385A (en) * 2011-10-26 2013-05-01 北京精密机电控制设备研究所 Electric servo oil cylinder
CN203460456U (en) * 2013-08-22 2014-03-05 泰州市荣美液压机械制造有限公司 Double-column hydraulic press
CN204196288U (en) * 2014-10-19 2015-03-11 杨航 A kind of three beam and four-post hydraulic machine pressing machines
CN204414624U (en) * 2014-12-03 2015-06-24 丁克芳 A kind of double-column hydraulic machine
CN204398358U (en) * 2015-01-13 2015-06-17 林炳昆 A kind of four-column type Universal hydraulic press
CN104791322A (en) * 2015-04-30 2015-07-22 天津市泉龙工贸有限公司 Oval air cylinder
CN204998014U (en) * 2015-08-13 2016-01-27 天津市泉龙工贸有限公司 Numerical control hydraulic press

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Effective date of registration: 20190306

Address after: 300000 Changqingke Industrial and Trade Park, Jinnan District, Tianjin 1501J, No. 75 Chongqing Street (Changqing Building)

Patentee after: Tianjin Zhengcheng Urban Infrastructure Investment Co., Ltd.

Address before: 300000 Yingsheng Road and Hongming Road, Xiying Men Street, Xiqing District, Tianjin

Co-patentee before: Zhao Xiaobo

Patentee before: Tianjin Quan Long Trade Co., Ltd.