CN105058833A - Numerical control hydraulic machine - Google Patents
Numerical control hydraulic machine Download PDFInfo
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- CN105058833A CN105058833A CN201510498357.1A CN201510498357A CN105058833A CN 105058833 A CN105058833 A CN 105058833A CN 201510498357 A CN201510498357 A CN 201510498357A CN 105058833 A CN105058833 A CN 105058833A
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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
Technical field
The present invention relates to field, more particularly, relate to a kind of numerically controlled hydraulic press.
Background technology
Hydraulic press is a kind of is working media with liquid, according to pascal's principle make for transferring energy to realize polytechnic machine.Hydraulic press is generally made up of the machine (main frame), dynamical system and hydraulic control system three part.Hydraulic press classification has valve hydraulic press, liquid hydraulic press, project hydropress.
Hydraulic press is a kind of is working media with liquid, is used for transferring energy to realize polytechnic machine.Hydraulic press except for except excellent suitability for press forming, also can be used for correcting, press-fits, packs, briquetting and pressing plate etc., and hydraulic press comprises hydraulic press and hydraulic press, take water fluid as the hydraulic press that is called of working media, with oil be working media be called hydraulic press.The specification of hydraulic press generally represents by nominal operational forces (thousand Ns) or nominal tonnage (ton).Mostly forging hydraulic press is hydraulic press, and tonnage is higher.For reducing equipment size, higher pressure (about 35 MPas) commonly used by large-sized forging hydraulic press, sometimes also adopt the super-pressure of more than 100 MPas, the hydraulic press of other purposes generally adopts the operating pressure of 6 ~ 25 MPas, and the tonnage of hydraulic press is lower than hydraulic press.
The general 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 valve hydraulic oil distribution to the epicoele of oil cylinder or cavity of resorption, under the effect of hydraulic oil, oil cylinder is moved. hydraulic press is the equipment utilizing liquid to carry out transmission of pressure.Liquid is follow Pascal's law during transmission of pressure in airtight container, the Hydraulic Power Transmission System of four-column hydraulic press is made up of actuating unit, controlling organization, executing agency, auxiliary body and working media, actuating unit adopts oil pump as actuating unit usually, is generally long-pending formula oil pump.In order to meet the requirement of executing agency's movement velocity, select an oil pump or multiple oil pump.Low pressure (oil pressure is less than 2.5MP) gear pump; Middle pressure (oil pressure is less than 6.3MP) vane pump; High pressure (oil pressure is less than 32.0MP) uses plunger displacement pump.The pressure processing of various plastic material and shaping, as the cold-press moulding of the extruding of corrosion resistant plate, bending, drawing and metal parts, also can be used for the compacting of pulverulent product, emery wheel, bakelite, resin thermoset goods simultaneously.
Summary of the invention
Instant invention overcomes deficiency of the prior art, provide a kind of numerically controlled hydraulic press.
Object of the present invention is achieved by following technical proposals.
A kind of numerically controlled hydraulic press, comprise pressure oil-source, function 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 placing frame, described pressure oil-source top is provided with described function screen, described pressure oil-source top is also provided with oil-out, described oil-out is connected with described high-pressure oil pipe one end, the described high-pressure oil pipe other end is connected with described numerical control oil cylinder, described pressure oil-source bottom is provided with oil return opening, described oil return opening is connected with described oil return pipe one end, the described oil return pipe other end is connected with described numerical control oil cylinder, described numerical control oil cylinder comprises servomotor, valve body and cylinder body, described servomotor is arranged on described valve body top, described valve body low side is provided with described cylinder body, described valve body is connected with described cylinder body upper end by described cylinder upper cavity oil oil pipe, described valve body is connected with described cylinder body lower end by described oil cylinder lower cavity oil pipe, described numerical control oil cylinder bottom is provided with described pressure head, described numerical control oil cylinder is arranged on described numerical control oil cylinder placing frame, described numerical control oil cylinder placing frame comprises upper beam, column and underbeam, described upper beam and described underbeam are provided with numerical control oil cylinder placement hole, described column two ends are provided with described upper beam and described underbeam.
Shaft coupling is provided with in described valve body, spool leading screw, spool, valve body leading screw and leading screw shaft coupling, described servomotor is connected with described shaft coupling top, described shaft coupling bottom is connected with described spool top by described spool leading screw, described spool bottom is connected with described leading screw shaft coupling top by described valve body leading screw, the first oil-out is provided with between described spool and described valve body leading screw, second oil-out, oil-in and oil return opening, described first oil-out and described second oil-out are arranged on described valve body the same side, described oil-in and described oil return opening are arranged on described valve body opposite side, described first oil-out and described second oil-out are higher than described oil-in and described oil return opening, bearing is provided with in described cylinder body, piston leading screw, feed screw nut, piston, cylinder mouth flange and piston rod, described leading screw shaft coupling bottom is connected with described bearing top, described bearing bottom is connected with described piston tip by described piston leading screw and described feed screw nut, described piston bottom end is arranged on described piston rod, described cylinder mouth flange is arranged on described cylinder body bottom.
The first return line is provided with between described piston leading screw and described cylinder body, described first oil-out is connected with described first return line by described cylinder upper cavity oil oil pipe, between described piston rod and described cylinder body, be provided with the second return line, described second oil-out is connected with described second return line by described oil cylinder lower cavity oil pipe.
Described first oil-out is connected with described first return line top by described cylinder upper cavity oil oil pipe, and described second oil-out is connected with described second return line bottom by described oil cylinder lower cavity oil pipe.
Described cylinder mouth flange is arranged on below described second return line bottom.
Shaft coupling is provided with in described valve body, spool leading screw, spool, valve body leading screw and leading screw shaft coupling, described servomotor is connected with described shaft coupling top, described shaft coupling bottom is connected with described spool top by described spool leading screw, described spool bottom is connected with described leading screw shaft coupling top by described valve body leading screw, the first oil-out is provided with between described spool and described valve body leading screw, second oil-out, oil-in and oil return opening, described first oil-out and described second oil-out are arranged on described valve body the same side, described oil-in and described oil return opening are arranged on described valve body opposite side, described first oil-out and described second oil-out are higher than described oil-in and described oil return opening, bearing is provided with in described cylinder body, piston leading screw, feed screw nut, piston, oval cylinder mouth flange and oval piston bar, described leading screw shaft coupling bottom is connected with described bearing top, described bearing bottom is connected with described piston tip by described piston leading screw and described feed screw nut, described piston bottom end is arranged on described oval piston bar, described oval piston bar adopts cross section to be oval structure, described oval cylinder mouth flange is arranged on described cylinder body bottom, oval guide flange is also provided with at described cylinder body Basolateral.
The first return line is provided with between described piston leading screw and described cylinder body, described first oil-out is connected with described first return line by described cylinder upper cavity oil oil pipe, between described oval piston bar and described cylinder body, be provided with the second return line, described second oil-out is connected with described second return line by described oil cylinder lower cavity oil pipe.
Described first oil-out is connected with described first return line top by described cylinder upper cavity oil oil pipe, and described second oil-out is connected with described second return line bottom by described oil cylinder lower cavity oil pipe.
Described oval cylinder mouth flange is arranged on below described second return line bottom.
Beneficial effect of the present invention is: compared with prior art, owing to being provided with servomotor, by setting the relevant parameter of servomotor, thus can set and control the speed of service of this numerical control oil cylinder; The setting of servomotor also makes the position control accuracy of this numerical control oil cylinder greatly improve, and by arranging servomotor, thus controls the position of oil cylinder operation, therefore the position control accuracy of this numerical control oil cylinder is greatly enhanced; Oval cylinder mouth flange, the setting of oval piston bar and oval guide flange, so oval piston bar can not rotation, therefore be born with and have very strong steering capability and do not need outer guider to lead to it in this numerical control oil cylinder sky, thus save outer guider, save cost, also make the structure of this numerical control oil cylinder more simple, have structure simple, easy to maintenance, processing cost is low, production efficiency advantages of higher; Solve the stationary problem of two or more numerical control oil cylinder simultaneously, ram position control accuracy is high, the movement velocity of pressure head can control, without limit device, without the proportioning valve, proportioning pump etc. of the valve block of complexity, valve group and costliness, simplify hydraulic system and complete machine frame for movement, thus improve the reliability of complete machine.
Accompanying drawing explanation
Fig. 1 is overall structure schematic 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, 02 is function screen, 03 is high-pressure oil pipe, 04 is oil return pipe, 05 is numerical control oil cylinder, 06 is cylinder upper cavity oil oil pipe, 07 is oil cylinder lower cavity oil pipe, 08 is upper beam, 09 is pressure head, 10 is column, 11 is underbeam, 12 is servomotor, 13 is shaft coupling, 14 is spool leading screw, 15 is spool, 16 is valve body, 17 is valve body leading screw, 18 is leading screw shaft coupling, 19 is bearing, 20 is piston leading screw, 21 is feed screw nut, 22 is piston, 23 is cylinder mouth flange, 24 is cylinder body, 25 is piston rod, 26 is oval cylinder mouth flange, 27 is oval piston bar, 28 is oval guide flange, A is the first oil-out, B is the second oil-out, P is oil-in, T is oil return opening.
Detailed description of the invention
Below by specific embodiment, technical scheme of the present invention is further described.
As shown in Figure 1 to Figure 3, wherein, 01 is pressure oil-source, 02 is function screen, 03 is high-pressure oil pipe, 04 is oil return pipe, 05 is numerical control oil cylinder, 06 is cylinder upper cavity oil oil pipe, 07 is oil cylinder lower cavity oil pipe, 08 is upper beam, 09 is pressure head, 10 is column, 11 is underbeam, 12 is servomotor, 13 is shaft coupling, 14 is spool leading screw, 15 is spool, 16 is valve body, 17 is valve body leading screw, 18 is leading screw shaft coupling, 19 is bearing, 20 is piston leading screw, 21 is feed screw nut, 22 is piston, 23 is cylinder mouth flange, 24 is cylinder body, 25 is piston rod, 26 is oval cylinder mouth flange, 27 is oval piston bar, 28 is oval guide flange, A is the first oil-out, B is the second oil-out, P is oil-in, T is oil return opening.
Embodiment 1
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 and piston rod 25, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on piston rod 25, cylinder mouth flange 23 is arranged on cylinder body 24 bottom.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between piston rod 25 and cylinder body 24, be provided with the second return line, the second oil-out 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 connected with the second return line bottom by oil cylinder lower cavity oil pipe 07.
Cylinder mouth flange 23 is arranged on below the second return line bottom.
The course of work: after servomotor 12 receives instruction, be with movable valve plug leading screw 14 to rotate by shaft coupling 13 and promote spool 15 and move, suppose that spool 15 moves up, hydraulic pressure oil is made to be entered into the epicoele of cylinder body 24 through the first oil-out A by oil inlet P, the fluid of cylinder body 24 cavity of resorption is back in oil return inlet T through the second oil-out B of spool 15, then piston 22 promotes piston rod 25 and moves down, while piston 22 moves down, feed screw nut 21 also moves down thereupon, the movement of feed screw nut 21 forces piston leading screw 20 to rotate, the rotation of piston leading screw 20 is with moving valve leading screw 17 to rotate by by leading screw shaft coupling 18, under the effect of valve body leading screw 17, make valve body 16 also move down, close dead first oil-out A respectively subsequently, second oil-out B, the oil circuit of oil inlet P and oil return inlet T, slack on the position making piston rod 25 be moved down into required by instruction, when sending to the instruction of servomotor 12 to be reverse signals, piston rod 25 is moved upwards up on the position required by instruction slack.
Compared with prior art, owing to being provided with servomotor, by setting the relevant parameter of servomotor, thus can set and control the speed of service of this numerical control oil cylinder; The setting of servomotor also makes the position control accuracy of this numerical control oil cylinder greatly improve, and by arranging servomotor, thus controls the position of oil cylinder operation, therefore the position control accuracy of this numerical control oil cylinder is greatly enhanced; Solve the stationary problem of two or more numerical control oil cylinder simultaneously, ram position control accuracy is high, the movement velocity of pressure head can control, without limit device, without the proportioning valve, proportioning pump etc. of the valve block of complexity, valve group and costliness, simplify hydraulic system and complete machine frame for movement, thus improve the reliability of complete machine.
Embodiment 2
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth flange 26 and oval piston bar 27, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on oval piston bar 27, oval piston bar 27 adopts cross section to be oval structure, oval cylinder mouth flange 26 is arranged on cylinder body 24 bottom, oval guide flange 28 is also provided with at cylinder body 24 Basolateral.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between oval piston bar 27 and cylinder body 24, be provided with the second return line, the second oil-out 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 connected with the second return line bottom by oil cylinder lower cavity oil pipe 07.
Oval cylinder mouth flange 26 is arranged on below the second return line bottom.
The course of work: after servomotor 12 receives instruction, be with movable valve plug leading screw 14 to rotate by shaft coupling 13 and promote spool 15 and move, suppose that spool 15 moves up, hydraulic pressure oil is made to be entered into the epicoele of cylinder body 24 through the first oil-out A by oil inlet P, the fluid of cylinder body 24 cavity of resorption is back in oil return inlet T through the second oil-out B of spool 15, then piston 22 promotes oval piston bar 27 and moves down, while piston 22 moves down, feed screw nut 21 also moves down thereupon, the movement of feed screw nut 21 forces piston leading screw 20 to rotate, the rotation of piston leading screw 20 is with moving valve leading screw 17 to rotate by by leading screw shaft coupling 18, under the effect of valve body leading screw 17, make valve body 16 also move down, close dead first oil-out A respectively subsequently, second oil-out B, the oil circuit of oil inlet P and oil return inlet T, slack on the position making oval piston bar 27 be moved down into required by instruction, when sending to the instruction of servomotor 12 to be reverse signals, oval piston bar 27 is moved upwards up on the position required by instruction slack, because have oval cylinder mouth flange 26, the existence of oval piston bar 27 and oval guide flange 28, oval piston bar 27 just can not rotation, has very strong steering capability so be born with in the oval oil cylinder sky of numerical control and do not need outer guider.
Compared with prior art, owing to being provided with servomotor, by setting the relevant parameter of servomotor, thus can set and control the speed of service of this numerical control oil cylinder; The setting of servomotor also makes the position control accuracy of this numerical control oil cylinder greatly improve, and by arranging servomotor, thus controls the position of oil cylinder operation, therefore the position control accuracy of this numerical control oil cylinder is greatly enhanced; Oval cylinder mouth flange, the setting of oval piston bar and oval guide flange, so oval piston bar can not rotation, therefore be born with and have very strong steering capability and do not need outer guider to lead to it in this numerical control oil cylinder sky, thus save outer guider, save cost, also make the structure of this numerical control oil cylinder more simple, have structure simple, easy to maintenance, processing cost is low, production efficiency advantages of higher; Solve the stationary problem of two or more numerical control oil cylinder simultaneously, ram position control accuracy is high, the movement velocity of pressure head can control, without limit device, without the proportioning valve, proportioning pump etc. of the valve block of complexity, valve group and costliness, simplify hydraulic system and complete machine frame for movement, thus improve the reliability of complete machine.
Embodiment 3
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 and piston rod 25, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on piston rod 25, cylinder mouth flange 23 is arranged on cylinder body 24 bottom.
Embodiment 4
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth flange 26 and oval piston bar 27, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on oval piston bar 27, oval piston bar 27 adopts cross section to be oval structure, oval cylinder mouth flange 26 is arranged on cylinder body 24 bottom, oval guide flange 28 is also provided with at cylinder body 24 Basolateral.
Embodiment 5
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 and piston rod 25, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on piston rod 25, cylinder mouth flange 23 is arranged on cylinder body 24 bottom.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between piston rod 25 and cylinder body 24, be provided with the second return line, the second oil-out B is connected with the second return line by oil cylinder lower cavity oil pipe 07.
Embodiment 6
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth flange 26 and oval piston bar 27, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on oval piston bar 27, oval piston bar 27 adopts cross section to be oval structure, oval cylinder mouth flange 26 is arranged on cylinder body 24 bottom, oval guide flange 28 is also provided with at cylinder body 24 Basolateral.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between oval piston bar 27 and cylinder body 24, be provided with the second return line, the second oil-out 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, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, cylinder mouth flange 23 and piston rod 25, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on piston rod 25, cylinder mouth flange 23 is arranged on cylinder body 24 bottom.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between piston rod 25 and cylinder body 24, be provided with the second return line, the second oil-out 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 connected with the second return line bottom by oil cylinder lower cavity oil pipe 07.
Embodiment 8
A kind of numerically controlled hydraulic press, comprise pressure oil-source 01, function screen 02, high-pressure oil pipe 03, oil return pipe 04, numerical control oil cylinder 05, cylinder upper cavity oil oil pipe 06, oil cylinder lower cavity oil pipe 07, pressure head 09 and numerical control oil cylinder placing frame, pressure oil-source 01 top is provided with function screen 02, pressure oil-source 01 top is also provided with oil-out, oil-out is connected with high-pressure oil pipe 03 one end, high-pressure oil pipe 03 other end is connected with numerical control oil cylinder 05, pressure oil-source 01 bottom is provided with oil return opening, oil return opening is connected with oil return pipe 04 one end, oil return pipe 04 other end is connected with numerical control oil cylinder 05, numerical control oil cylinder 05 comprises servomotor 12, valve body 16 and cylinder body 24, servomotor 12 is arranged on valve body 16 top, valve body 16 low side is provided with cylinder body 24, valve body 16 is connected with cylinder body 24 upper end by cylinder upper cavity oil oil pipe 06, valve body 16 is connected with cylinder body 24 lower end by oil cylinder lower cavity oil pipe 07, numerical control oil cylinder 05 bottom is provided with pressure head 09, numerical control oil cylinder 05 is arranged on numerical control oil cylinder placing frame, numerical control oil cylinder placing frame comprises upper beam 08, column 10 and underbeam 11, upper beam 08 and underbeam 11 are provided with numerical control oil cylinder placement hole, column 10 two ends are provided with upper beam 08 and underbeam 11.
Shaft coupling 13 is provided with in valve body 16, spool leading screw 14, spool 15, valve body leading screw 17 and leading screw shaft coupling 18, servomotor 12 is connected with shaft coupling 13 top, shaft coupling 13 bottom is connected with spool 15 top by spool leading screw 14, spool 15 bottom is connected with leading screw shaft coupling 18 top by valve body leading screw 17, the first oil-out A is provided with between spool 15 and valve body leading screw 17, second oil-out B, oil inlet P and oil return inlet T, first oil-out A and the second oil-out B is arranged on valve body 16 the same side, oil inlet P and oil return inlet T are arranged on valve body 16 opposite side, first oil-out A and the second oil-out B is higher than oil inlet P and oil return inlet T, bearing 19 is provided with in cylinder body 24, piston leading screw 20, feed screw nut 21, piston 22, oval cylinder mouth flange 26 and oval piston bar 27, leading screw shaft coupling 18 bottom is connected with bearing 19 top, bearing 19 bottom is connected with piston 22 top by piston leading screw 20 and feed screw nut 21, piston 22 bottom is arranged on oval piston bar 27, oval piston bar 27 adopts cross section to be oval structure, oval cylinder mouth flange 26 is arranged on cylinder body 24 bottom, oval guide flange 28 is also provided with at cylinder body 24 Basolateral.
The first return line is provided with between piston leading screw 20 and cylinder body 24, first oil-out A is connected with the first return line by cylinder upper cavity oil oil pipe 06, between oval piston bar 27 and cylinder body 24, be provided with the second return line, the second oil-out 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 connected with the second return line bottom by oil cylinder lower cavity oil pipe 07.
Above to invention has been detailed description, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (9)
1. a numerically controlled hydraulic press, it is characterized in that: comprise pressure oil-source, function 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 placing frame, described pressure oil-source top is provided with described function screen, described pressure oil-source top is also provided with oil-out, described oil-out is connected with described high-pressure oil pipe one end, the described high-pressure oil pipe other end is connected with described numerical control oil cylinder, described pressure oil-source bottom is provided with oil return opening, described oil return opening is connected with described oil return pipe one end, the described oil return pipe other end is connected with described numerical control oil cylinder, described numerical control oil cylinder comprises servomotor, valve body and cylinder body, described servomotor is arranged on described valve body top, described valve body low side is provided with described cylinder body, described valve body is connected with described cylinder body upper end by described cylinder upper cavity oil oil pipe, described valve body is connected with described cylinder body lower end by described oil cylinder lower cavity oil pipe, described numerical control oil cylinder bottom is provided with described pressure head, described numerical control oil cylinder is arranged on described numerical control oil cylinder placing frame, described numerical control oil cylinder placing frame comprises upper beam, column and underbeam, described upper beam and described underbeam are provided with numerical control oil cylinder placement hole, described column two ends are provided with described upper beam and described underbeam.
2. a kind of numerically controlled hydraulic press according to claim 1, it is characterized in that: in described valve body, be provided with shaft coupling, spool leading screw, spool, valve body leading screw and leading screw shaft coupling, described servomotor is connected with described shaft coupling top, described shaft coupling bottom is connected with described spool top by described spool leading screw, described spool bottom is connected with described leading screw shaft coupling top by described valve body leading screw, the first oil-out is provided with between described spool and described valve body leading screw, second oil-out, oil-in and oil return opening, described first oil-out and described second oil-out are arranged on described valve body the same side, described oil-in and described oil return opening are arranged on described valve body opposite side, described first oil-out and described second oil-out are higher than described oil-in and described oil return opening, bearing is provided with in described cylinder body, piston leading screw, feed screw nut, piston, cylinder mouth flange and piston rod, described leading screw shaft coupling bottom is connected with described bearing top, described bearing bottom is connected with described piston tip by described piston leading screw and described feed screw nut, described piston bottom end is arranged on described piston rod, described cylinder mouth flange is arranged on described cylinder body bottom.
3. a kind of numerically controlled hydraulic press according to claim 2, it is characterized in that: between described piston leading screw and described cylinder body, be provided with the first return line, described first oil-out is connected with described first return line by described cylinder upper cavity oil oil pipe, between described piston rod and described cylinder body, be provided with the second return line, described second oil-out is connected with described second return line by described oil cylinder lower cavity oil pipe.
4. a kind of numerically controlled hydraulic press according to claim 3, it is characterized in that: described first oil-out is connected with described first return line top by described cylinder upper cavity oil oil pipe, described second oil-out is connected with described second return line bottom by described oil cylinder lower cavity oil pipe.
5. a kind of numerically controlled hydraulic press according to claim 3, is characterized in that: described cylinder mouth flange is arranged on below described second return line bottom.
6. a kind of numerically controlled hydraulic press according to claim 1, it is characterized in that: in described valve body, be provided with shaft coupling, spool leading screw, spool, valve body leading screw and leading screw shaft coupling, described servomotor is connected with described shaft coupling top, described shaft coupling bottom is connected with described spool top by described spool leading screw, described spool bottom is connected with described leading screw shaft coupling top by described valve body leading screw, the first oil-out is provided with between described spool and described valve body leading screw, second oil-out, oil-in and oil return opening, described first oil-out and described second oil-out are arranged on described valve body the same side, described oil-in and described oil return opening are arranged on described valve body opposite side, described first oil-out and described second oil-out are higher than described oil-in and described oil return opening, bearing is provided with in described cylinder body, piston leading screw, feed screw nut, piston, oval cylinder mouth flange and oval piston bar, described leading screw shaft coupling bottom is connected with described bearing top, described bearing bottom is connected with described piston tip by described piston leading screw and described feed screw nut, described piston bottom end is arranged on described oval piston bar, described oval piston bar adopts cross section to be oval structure, described oval cylinder mouth flange is arranged on described cylinder body bottom, oval guide flange is also provided with at described cylinder body Basolateral.
7. a kind of numerically controlled hydraulic press according to claim 6, it is characterized in that: between described piston leading screw and described cylinder body, be provided with the first return line, described first oil-out is connected with described first return line by described cylinder upper cavity oil oil pipe, between described oval piston bar and described cylinder body, be provided with the second return line, described second oil-out is connected with described second return line by described oil cylinder lower cavity oil pipe.
8. a kind of numerically controlled hydraulic press according to claim 7, it is characterized in that: described first oil-out is connected with described first return line top by described cylinder upper cavity oil oil pipe, described second oil-out is connected with described second return line bottom by described oil cylinder lower cavity oil pipe.
9. a kind of numerically controlled hydraulic press according to claim 7, is characterized in that: described oval cylinder mouth flange is arranged on below described second return line bottom.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105965946A (en) * | 2016-07-12 | 2016-09-28 | 南通建恒机械制造有限公司 | Full-automatic briquetting machine for aluminum foil leftovers |
CN106289461A (en) * | 2016-08-31 | 2017-01-04 | 金卡高科技股份有限公司 | 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 |
CN106863887A (en) * | 2015-12-10 | 2017-06-20 | 四川长江液压天成机械有限公司 | A kind of fully automatic hydraulic formation system |
CN106884827A (en) * | 2017-03-22 | 2017-06-23 | 燕山大学 | A kind of valve element Direct Action Type Numeric hydraulic cylinder |
CN109278339A (en) * | 2018-10-10 | 2019-01-29 | 盐城市华森机械有限公司 | Precise numerical control hydraulic machine |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827121Y2 (en) * | 1978-07-25 | 1983-06-13 | 株式会社トキメック | Fluid pressure servo cylinder |
CN1051612A (en) * | 1989-11-08 | 1991-05-22 | 中国科学院沈阳自动化研究所 | A kind of high-speed hydraulic servo cylinder |
CN101451549A (en) * | 2007-11-30 | 2009-06-10 | 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 |
CN204398358U (en) * | 2015-01-13 | 2015-06-17 | 林炳昆 | A kind of four-column type Universal hydraulic press |
CN204414624U (en) * | 2014-12-03 | 2015-06-24 | 丁克芳 | A kind of double-column hydraulic machine |
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 |
-
2015
- 2015-08-13 CN CN201510498357.1A patent/CN105058833B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827121Y2 (en) * | 1978-07-25 | 1983-06-13 | 株式会社トキメック | Fluid pressure servo cylinder |
CN1051612A (en) * | 1989-11-08 | 1991-05-22 | 中国科学院沈阳自动化研究所 | A kind of high-speed hydraulic servo cylinder |
CN101451549A (en) * | 2007-11-30 | 2009-06-10 | 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 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106863887A (en) * | 2015-12-10 | 2017-06-20 | 四川长江液压天成机械有限公司 | A kind of fully automatic hydraulic formation system |
CN105965946A (en) * | 2016-07-12 | 2016-09-28 | 南通建恒机械制造有限公司 | Full-automatic briquetting machine for aluminum foil leftovers |
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 |
CN106289461A (en) * | 2016-08-31 | 2017-01-04 | 金卡高科技股份有限公司 | 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 |
CN109278339A (en) * | 2018-10-10 | 2019-01-29 | 盐城市华森机械有限公司 | Precise numerical control hydraulic machine |
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