CN105398071A - Use method for frame-type hydraulic machine - Google Patents
Use method for frame-type hydraulic machine Download PDFInfo
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- CN105398071A CN105398071A CN201510888983.1A CN201510888983A CN105398071A CN 105398071 A CN105398071 A CN 105398071A CN 201510888983 A CN201510888983 A CN 201510888983A CN 105398071 A CN105398071 A CN 105398071A
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- Prior art keywords
- oil cylinder
- mould
- bottom plate
- hydraulic
- die bottom
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0052—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for fluid driven presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/041—Guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
- B30B15/20—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
Abstract
The invention discloses a use method for a frame-type hydraulic machine, belongs to the field of hydraulic machines, and solves the problems of low speed and high production pressure of household appliance auxiliary product production lines, and high labour intensity of workers. The device disclosed by the invention comprises a foundation, a body and a hydraulic system, wherein the body is installed on the foundation; the hydraulic system is installed at the top of the body; and a moving workbench comprises a base, a moving device and a rapid clamping device. The use method disclosed by the invention comprises the following steps: A. preparing before working; B. clamping a die; C. stamping a workpiece; D. starting the rapid clamping device; E. replacing the die by a second die; F. repeating the step C, and starting the rapid clamping device; G. repeating the step E and the step F; and H. repeating the step 3) in the step B, and sequentially stopping power supplies of the rapid clamping device, the moving device, the hydraulic system and the like. The use method disclosed by the invention is capable of meeting the requirements of rapid speed and flexibility of similar household appliance auxiliary product production lines, and has high machining accuracy and the advantages of safety and stability.
Description
The application is denomination of invention is " a kind of frame type hydraulic press and using method thereof ", and application number is 2014108151207, and the applying date is the divisional application of the patent application on December 23rd, 2014.
Technical field
The invention belongs to hydraulic press field, specifically, relate to a kind of using method of frame type hydraulic press.
Background technology
Hydraulic press is a kind of plant equipment utilizing the static pressure of oil pump conveying liquid force feed to come the goods such as processing metal, plastics, rubber, timber, powder.It is usually used in pressing process and block pressing forming process, as: forging and stamping, punching press, cold-extruded, alignment, bending, flange, process of sheet drawing, powder metallurgy, press-fits etc.Frame type hydraulic press is the one of hydraulic press, and the work such as it is applicable to assemble element part, dismantle, alignment, calendering, stretching, bending, punching, really realizes a tractor serves several purposes; Can be used for correcting deformed workpiece, dismounting cylinder cone bearing, press-fit various fitted component.The course of work of conventional hydraulic machine is, first installs the mould corresponding to processed product, and mould run-of-the-mill is large, needs special bolt to fix; Then raw material are placed on mould, by hydraulic press punch forming; Finally take off workpiece.A mould is installed and can only processes a kind of product, processing multiple product needs repeatedly more mold exchange, or be equipped with multiple stage hydraulic press, and hydraulic press is generally bulky, price is high, be equipped with multiple stage hydraulic press not only to occupy very large space but also need very large cost to drop into, obviously unrealistic for the manufacturer of general economic strength, so can only after processing a kind of product, change another product of Mould Machining immediately, although provide cost savings like this, but the production time of preciousness has been wasted on repeated disassembled and assembled mould, become the speed of production improved further on production line, improve the maximum restraining factors of production efficiency.In addition, along with improving constantly of living standards of the people, constantly popularizing of various household electrical appliances, require that the production line producing various household electrical appliances auxiliary products has faster stronger production capacity, hydraulic press is as the equipment that household electrical appliances production line uses, and the problems referred to above of existence highlight its pickle, how to improve the speed of production of hydraulic press, how to make hydraulic press more flexible, stable, can become hydraulic press hold ground on a production line, even expands the key of use.
Through retrieval to existing hydraulic press, find as, China Patent No. 201210038872.8, the patent application document in publication date on July 18th, 2012, discloses four post hydraulic forging presses, by column, and upper, middle and lower crossbeam, operating cylinder and backhaul oil cylinder are formed; Be provided with guide pillar structure between middle cross beam and column, be characterized in: guide pillar structure comprises four groups of guidance sets be made up of guide plate and wedge, and wedge presses solidly in middle cross beam by pressing plate; Guide plate is provided with gripper shoe near the position of upper end, is provided with adjusting pad between gripper shoe and pressing plate; The lower end of operating cylinder plunger rod is shaped with cylindrical cavity, is provided with the first ball ring and sphere post in cylindrical cavity, and sphere post outer cover is equipped with support set, and the lower end lug boss of support set is added is equipped with supporting structure, is provided with cushion between supporting structure and lug boss; The inside, lower end of support set is provided with the second ball ring.Adopt said structure, column contacts with guide frame forming surface, reduces local pressure, avoids column and pulls; In addition, rotated by the cooperation of the second ball ring, sphere post and the first ball ring, avoid plunger rod and deflect along axis, thus reduce cylinder body and plunger rod pulls destruction.
And for example, China Patent No. 201410118635.1, the patent application document in publication date on June 18th, 2014, disclose a kind of Novel frame-type high speed hydraulic press, comprise fuselage, oil cylinder, dynamic hydraulic system, electric control system and security system, described dynamic hydraulic system comprises Hydraulic Station and fluid pressure line, described fuselage is integral frame-type structure, described body upper is provided with platform, described Hydraulic Station is arranged on the platform, the middle part of described fuselage is provided with guider, and the corner, bottom of described fuselage is provided with levelling device.This invention adopts said structure, first fuselage is integral frame-type structure, make overall stiffness and stability high, adopt Hydraulic Station overhead simultaneously, take up room little, and be provided with levelling device, thus can anti-limited slip block generation unbalance loading phenomenon, operating rate is fast, good with the depth of parallelism of workbench in slide block unbalance loading situation.In addition, it is high that this hydraulic press has guiding accuracy, and non-deformability is strong, the advantages such as precision stability is good, not yielding.
But foregoing invention comparatively conventional hydraulic machine still exists that speed of production is comparatively slow, work is heavy, and production cost is high, is not suitable for the production and application on household electrical appliances auxiliary products fast production lines.
Summary of the invention
The problem that 1, will solve
For meeting on household electrical appliances auxiliary products production line fast, requirement flexibly, solve production line pressure large, the problem that labor strength is large, the invention provides a kind of using method of frame type hydraulic press, its device comprises travelling table, use the present invention can meet household electrical appliances auxiliary products production line fast, requirement flexibly, and machining accuracy is high, has safety, stable advantage.
2, technical scheme
For solving the problem, the present invention adopts following technical scheme.
A kind of frame type hydraulic press, comprises ground, fuselage and hydraulic system; Described fuselage is arranged on ground, and fuselage comprises travelling table; Described hydraulic system is arranged on the top of fuselage; Described travelling table comprises base, mobile device and fast fixture.
Preferably, described mobile device comprises location hydraulic control system, die bottom plate, the first oil cylinder and line slideway auxiliary; Described line slideway auxiliary is strip guide rail, and quantity is two, is arranged on abreast between base and die bottom plate, and line slideway auxiliary is divided into upper rail and lower guideway; The upper surface of described upper rail is connected with the lower surface of die bottom plate, and upper rail lower surface is provided with T-shaped groove; The lower surface of described lower guideway is connected with base upper surface, and lower guideway upper surface is provided with T-shaped projection; Described T-shaped groove and T-shaped projection match, and are connected by die bottom plate with base; One end of the first described oil cylinder is connected with die bottom plate, and the other end is connected with base, and the first oil cylinder is parallel with line slideway auxiliary; Described location hydraulic control system comprises pumping plant, proportioning valve, amplifier, controller and velocity sensor; The first described oil cylinder comprises piston rod, oil-in and oil-out; It is inner that described piston rod one end is positioned at the first oil cylinder, and the other end stretches out the first oil cylinder and is connected with die bottom plate, and one end that piston rod stretches out the first oil cylinder is provided with velocity sensor; Described pumping plant is connected with proportioning valve; Described proportioning valve is provided with the first hydraulic fluid port, the second hydraulic fluid port and calutron; The first described hydraulic fluid port is connected with the oil-in of the first oil cylinder; The second described hydraulic fluid port is connected with the oil-out of the first oil cylinder; Described calutron is connected with amplifier; Described controller one end is connected with amplifier, and the other end is connected with velocity sensor; Described base upper surface is provided with groove; The length direction of described groove is vertical with the length direction of the first oil cylinder; Described fast fixture is two, is arranged on the both sides in base groove symmetrically, and fast fixture comprises slide mass, the second oil cylinder and mould holder; Second described oil cylinder one end is fixed on base, and the other end is connected with slide mass; Described die bottom plate is provided with the oblong openings perpendicular to the first oil cylinder; Described mould holder is connected with slide mass through after oblong openings.
Preferably, described velocity sensor comprises sensor contact; Described sensor contact is rolling contact; Described proportioning valve is 3-position 4-way proportional reversing valve.
Preferably, described hydraulic system comprises hydraulic pump and motor; Described hydraulic pump is bent axis type axial piston pump; The power of described motor is 30kw.
Preferably, the first described oil cylinder is arranged on the line of symmetry between two line slideway auxiliaries; Described line slideway auxiliary and the distance of base side are 30-50mm.
Preferably, described slide mass upper surface is provided with screwed hole; One end that described mould holder is connected with slide mass is provided with external screw thread; The corresponding threaded holes of described external screw thread and slide mass upper surface closes; The screwed hole of described slide mass upper surface is 1-8.
Preferably, the side on the top of described mould holder is provided with friction protrusion.
Preferably, the upper surface of described upper rail is connected with the lower surface of die bottom plate by bolt; The lower surface of described lower guideway and the connection of base upper surface are for welding.
Preferably, one end of the first described oil cylinder is connected with die bottom plate by bolt, and the other end is connected with base by bolt.
A using method for frame type hydraulic press, the steps include:
Preparation before A work, checks that whether each parts of fuselage are complete, whether has foreign material, try hydraulic system out, checks that whether pressure is normal, checks that whether flexibly, reliably each several part action;
B clamping mold, comprises the following steps:
1) die bottom plate is stretched out, start location hydraulic control system, pumping plant brings into operation, the signal of telecommunication is exported by controller, proportioning valve is sent to through amplifier, first hydraulic fluid port of proportioning valve is opened to the first oil cylinder oil inlet mouth input pressure oil, second hydraulic fluid port of proportioning valve opens the fluid receiving and flow back to from the first oil cylinder oil-out simultaneously, die bottom plate on first oil cylinder pushing travelling table stretches out, stretch out in process, the piston rod that the first oil cylinder monitored by velocity sensor stretches out speed, feed back to controller, the flow of control ratio valve output pressure fluid after piston rod outreach determined as calculated by controller, die bottom plate is accurately located,
2) the first mould is placed on die bottom plate, adjusts orientation;
3) die bottom plate is regained, the signal of telecommunication is exported by controller, proportioning valve is sent to through amplifier, second hydraulic fluid port of proportioning valve is opened to the first oil cylinder oil-out input pressure oil, first hydraulic fluid port of proportioning valve opens the fluid receiving and flow back to from the first oil cylinder oil inlet mouth simultaneously, first oil cylinder pulls the die bottom plate on travelling table to regain, in withdrawal process, the piston rod that the first oil cylinder monitored by velocity sensor regains speed, feed back to controller, controller determines that piston rod regains the flow apart from rear control ratio valve output pressure fluid as calculated, die bottom plate is accurately playbacked,
4) fast fixture is started, by mould holder Quick-clamped first mould, the first mould installation;
C stamped workpieces, is placed on above mould by sheet material to be processed, is fallen by HYDRAULIC CONTROL SYSTEM slider of hydraulic press, completes the punch forming of sheet material;
D starts fast fixture, makes mould holder unclamp the first mould, repeats the step 1 in step B), unload workpiece, unload the first mould;
E changes the second mould, and its step is as follows:
1) the second mould is placed on die bottom plate, adjusts orientation;
2) step 3 in step B is repeated);
3) fast fixture is started, by mould holder Quick-clamped second mould, the second mould installation;
F repeats step C, starts fast fixture, makes mould holder unclamp the second mould, repeats the step 1 in step B), unload workpiece, unload the second mould;
G with step e and F, difference be the second mould is replaced to the 3rd mould, the 4th mould ..., N mould, or, directly arrive next step;
H repeats step 3 in step B), stop the power supply of each several parts such as fast fixture, mobile device, hydraulic system successively.
3, beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) the inventive system comprises ground, fuselage and hydraulic system; Fuselage is arranged on ground, and fuselage comprises travelling table; Hydraulic system is arranged on the top of fuselage; Travelling table comprises base, mobile device and fast fixture, can realize quick die change and die-filling, greatly accelerate the speed of production on production line, improve production efficiency by mobile device and fast fixture;
(2) mobile device of apparatus of the present invention comprises location hydraulic control system, die bottom plate, the first oil cylinder and line slideway auxiliary; Line slideway auxiliary is strip guide rail, and quantity is two, is arranged on abreast between base and die bottom plate, and line slideway auxiliary is divided into upper rail and lower guideway; The upper surface of upper rail is connected with the lower surface of die bottom plate, and upper rail lower surface is provided with T-shaped groove; The lower surface of lower guideway is connected with base upper surface, and lower guideway upper surface is provided with T-shaped projection; T-shaped groove and T-shaped projection match, and are connected by die bottom plate with base, and the setting of line slideway auxiliary makes mobile device more stable, thus improves the stability of apparatus of the present invention, and then provide the foundation for the accuracy of apparatus of the present invention; One end of first oil cylinder is connected with die bottom plate, and the other end is connected with base, and the first oil cylinder is parallel with line slideway auxiliary; Location hydraulic control system comprises pumping plant, proportioning valve, amplifier, controller and velocity sensor, location hydraulic control system provides accurate control system to mobile device, ensure that apparatus of the present invention can navigate to die change point and operating point quickly and accurately in die-filling process; First oil cylinder comprises piston rod, oil-in and oil-out; It is inner that piston rod one end is positioned at the first oil cylinder, and the other end stretches out the first oil cylinder and is connected with die bottom plate, and one end that piston rod stretches out the first oil cylinder is provided with velocity sensor; Pumping plant is connected with proportioning valve; Proportioning valve is provided with the first hydraulic fluid port, the second hydraulic fluid port and calutron; First hydraulic fluid port is connected with the oil-in of the first oil cylinder; Second hydraulic fluid port is connected with the oil-out of the first oil cylinder; Calutron is connected with amplifier; Controller one end is connected with amplifier, and the other end is connected with velocity sensor, and location hydraulic control system provides power to mobile device, and make apparatus of the present invention quick die change and die-filling on have more accurate and control system fast; Base upper surface is provided with groove; The length direction of groove is vertical with the length direction of the first oil cylinder; Fast fixture is two, is arranged on the both sides in base groove symmetrically, and fast fixture comprises slide mass, the second oil cylinder and mould holder; Second oil cylinder one end is fixed on base, and the other end is connected with slide mass; Die bottom plate is provided with the oblong openings perpendicular to the first oil cylinder; Mould holder is connected with slide mass through after oblong openings, fast fixture changes the method for conventional mounting, fixed mould, provide quicker, safe mould installation, fixed form, a large amount of die-filling time can be saved, also make quick die change on production line convenient, improve production efficiency;
(3) velocity sensor of apparatus of the present invention comprises sensor contact; Sensor contact is rolling contact; Proportioning valve is 3-position 4-way proportional reversing valve, and rolling contact is more flexibly with durable, and 3-position 4-way proportioning valve is more accurate, stable when regulator solution pressure pressure and flow;
(4) hydraulic system of apparatus of the present invention comprises hydraulic pump and motor; Hydraulic pump is bent axis type axial piston pump; The power of motor is 30kw, and make hydraulic system space compacter, volume is less, and floor space is less;
(5) first oil cylinder of apparatus of the present invention is arranged on the line of symmetry between two line slideway auxiliaries; The distance of line slideway auxiliary and base side is 30-50mm, and the motive force that the first oil cylinder brings to die bottom plate is more even, makes mobile device more stable;
(6) the slide mass upper surface of apparatus of the present invention is provided with screwed hole; One end that mould holder is connected with slide mass is provided with external screw thread; The corresponding threaded holes of external screw thread and slide mass upper surface closes; The screwed hole of slide mass upper surface is 1-8; Mould holder according to mould size adjustment position and distance, can expand the envelop of function of fast fixture;
(7) side on the top of the mould holder of apparatus of the present invention is provided with friction protrusion; Bossing firmly can clamp mould, mould is installed more firm, improve the security performance of device;
(8) upper surface of the upper rail of apparatus of the present invention is connected with the lower surface of die bottom plate by bolt; The lower surface of lower guideway and the connection of base upper surface are for welding; One end of first oil cylinder is connected with die bottom plate by bolt, and the other end is connected with base by bolt, and bolted each several part makes parts to dismantle, and maintains easily and changes, and welding is then for improving firm reliability;
(9) using method of the present invention provides quick die change and die-filling method on a kind of production line, be particularly suitable for the requirement fast and efficiently on household electrical appliances auxiliary products fast production lines, make that the speed of production of household electrical appliances auxiliary products is faster, efficiency is higher, control accuracy is high, and production cost is low.
Accompanying drawing explanation
Fig. 1 is the complete machine schematic diagram of apparatus of the present invention;
Fig. 2 is the movable workbench structure schematic diagram of apparatus of the present invention;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the location hydraulic control system schematic diagram of the mobile device of apparatus of the present invention.
In figure: 1, fuselage; 2, hydraulic system; 3, travelling table; 301, die bottom plate; 302, the first oil cylinder; 303, line slideway auxiliary; 304, the second oil cylinder; 305, base; 306, mould holder; 31, pumping plant; 32, proportioning valve; 33, amplifier; 34, controller; 35, velocity sensor.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of frame type hydraulic press, comprises ground, fuselage 1 and hydraulic system 2; Fuselage 1 is arranged on ground, and fuselage 1 comprises travelling table 3; Hydraulic system 2 is arranged on the top of fuselage 1, and hydraulic system 2 comprises hydraulic pump and motor; Hydraulic pump is bent axis type axial piston pump; The power of motor is 30kw; Travelling table 3 comprises base 305, mobile device and fast fixture; Mobile device comprises location hydraulic control system, die bottom plate 301, first oil cylinder 302 and line slideway auxiliary 303; Line slideway auxiliary 303 is strip guide rail, and quantity is two, is arranged between base 305 and die bottom plate 301 abreast, and line slideway auxiliary 303 is 40mm with the distance of base 305 side, and line slideway auxiliary 303 is divided into upper rail and lower guideway; The upper surface of upper rail is connected by the lower surface of bolt with die bottom plate 301, and upper rail lower surface is provided with T-shaped groove; The lower surface of lower guideway and the connection of base 305 upper surface are for welding, and lower guideway upper surface is provided with T-shaped projection; T-shaped groove and T-shaped projection match, and are connected by die bottom plate 301 with base 305; One end of first oil cylinder 302 is connected with die bottom plate 301 by bolt, and the other end is connected with base 305 by bolt, and the first oil cylinder 302 is parallel with line slideway auxiliary 303, and the first oil cylinder 302 is arranged on the line of symmetry between two line slideway auxiliaries 303; Location hydraulic control system comprises pumping plant 31, proportioning valve 32, amplifier 33, controller 34 and velocity sensor 35; First oil cylinder 302 comprises piston rod, oil-in and oil-out; It is inner that piston rod one end is positioned at the first oil cylinder 302, and the other end stretches out the first oil cylinder 302 and is connected with die bottom plate 301, and one end that piston rod stretches out the first oil cylinder 302 is provided with velocity sensor 35; Velocity sensor 35 comprises sensor contact; Sensor contact is rolling contact; Pumping plant 31 is connected with proportioning valve 32; Proportioning valve 32 is provided with the first hydraulic fluid port, the second hydraulic fluid port and calutron; Proportioning valve 32 is 3-position 4-way proportional reversing valve; First hydraulic fluid port is connected with the oil-in of the first oil cylinder 302; Second hydraulic fluid port is connected with the oil-out of the first oil cylinder 302; Calutron is connected with amplifier 33; Controller 34 one end is connected with amplifier 33, and the other end is connected with velocity sensor 35; Base 305 upper surface is provided with groove; The length direction of groove is vertical with the length direction of the first oil cylinder 302; Fast fixture is two, is arranged on the both sides in base 305 groove symmetrically, and fast fixture comprises slide mass, the second oil cylinder 304 and mould holder 306; Second oil cylinder 304 one end is fixed on base 305, and the other end is connected with slide mass; Die bottom plate 301 is provided with the oblong openings perpendicular to the first oil cylinder 302; Mould holder 306 is connected with slide mass through after oblong openings; Slide mass upper surface is provided with screwed hole; The side on the top of mould holder 306 is provided with friction protrusion, and one end that mould holder 306 is connected with slide mass is provided with external screw thread; The corresponding threaded holes of external screw thread and slide mass upper surface closes; The screwed hole of slide mass upper surface is 5.
A kind of using method of frame type hydraulic press in the present embodiment, needs replacing twice mould, the steps include:
Preparation before A work, checks that whether each parts of fuselage 1 are complete, whether has foreign material, try hydraulic system 2 out, checks that whether pressure is normal, checks that whether flexibly, reliably each several part action;
B clamping mold, comprises the following steps:
1) die bottom plate 301 is stretched out, start location hydraulic control system, pumping plant 31 brings into operation, the signal of telecommunication is exported by controller 34, proportioning valve 32 is sent to through amplifier 33, first hydraulic fluid port of proportioning valve 32 is opened to the first oil cylinder 302 oil-in input pressure oil, second hydraulic fluid port of proportioning valve 32 opens the fluid receiving and flow back to from the first oil cylinder 302 oil-out simultaneously, the die bottom plate 301 that first oil cylinder 302 promotes on travelling table 3 stretches out, stretch out in process, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 stretches out speed, feed back to controller 34, the flow of control ratio valve 32 output pressure fluid after piston rod outreach determined as calculated by controller 34, die bottom plate 301 is accurately located,
2) the first mould is placed on die bottom plate 301, adjusts orientation;
3) die bottom plate 301 is regained, the signal of telecommunication is exported by controller 34, proportioning valve 32 is sent to through amplifier 33, second hydraulic fluid port of proportioning valve 32 is opened to the first oil cylinder 302 oil-out input pressure oil, first hydraulic fluid port of proportioning valve 32 opens the fluid receiving and flow back to from the first oil cylinder 302 oil-in simultaneously, first oil cylinder 302 pulls the die bottom plate 301 on travelling table 3 to regain, in withdrawal process, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 regains speed, feed back to controller 34, controller 34 determines that piston rod regains the flow apart from rear control ratio valve 32 output pressure fluid as calculated, die bottom plate 301 is accurately playbacked,
4) fast fixture is started, by mould holder 306 Quick-clamped first mould, the first mould installation;
C stamped workpieces, is placed on above mould by sheet material to be processed, is fallen, complete the punch forming of sheet material by hydraulic system 2 hydraulic control machine slide block;
D starts fast fixture, makes mould holder 306 unclamp the first mould, repeats the step 1 in step B), unload workpiece, unload the first mould;
E changes the second mould, and its step is as follows:
1) the second mould is placed on die bottom plate 301, adjusts orientation;
2) step 3 in step B is repeated);
3) fast fixture is started, by mould holder 306 Quick-clamped second mould, the second mould installation;
F repeats step C, starts fast fixture, makes mould holder 306 unclamp the second mould, repeats the step 1 in step B), unload workpiece, unload the second mould;
G repeats step 3 in step B), stop the power supply of each several parts such as fast fixture, mobile device, hydraulic system 2 successively.
The travelling table that the inventive system comprises has concurrently fast, the die bottom plate 301 of accurately movement and quick, stable fast fixture, the quick change of mould and the object of fast-assembling can be completed by using method of the present invention, meet requirement fast and efficiently on the production lines such as household electrical appliances auxiliary products, and under the prerequisite guaranteeing product on production line quality and precision, improve the production efficiency of production line, the production cost of this hydraulic press reduces by 15% than the cost with the hydraulic press of tonnage, and production efficiency improves 20%.
Embodiment 2
Device in the present embodiment is with embodiment 1, and difference is, the screwed hole of slide mass upper surface is 1; Line slideway auxiliary 303 is 30mm with the distance of base 305 side.
A kind of using method of frame type hydraulic press in the present embodiment, need replacing three moulds, its step is with embodiment 1, and difference is:
G changes the 3rd mould, and its step is as follows:
1) the 3rd mould is placed on die bottom plate 301, adjusts orientation;
2) die bottom plate 301 is regained, the signal of telecommunication is exported by controller 34, proportioning valve 32 is sent to through amplifier 33, second hydraulic fluid port of proportioning valve 32 is opened to the first oil cylinder 302 oil-out input pressure oil, first hydraulic fluid port of proportioning valve 32 opens the fluid receiving and flow back to from the first oil cylinder 302 oil-in simultaneously, first oil cylinder 302 pulls the die bottom plate 301 on travelling table 3 to regain, in withdrawal process, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 regains speed, feed back to controller 34, controller 34 determines that piston rod regains the flow apart from rear control ratio valve 32 output pressure fluid as calculated, die bottom plate 301 is accurately playbacked,
3) fast fixture is started, by mould holder 306 Quick-clamped the 3rd mould, the 3rd mould installation;
Stamped workpieces, is placed on above mould by sheet material to be processed, is fallen, complete the punch forming of sheet material by hydraulic system 2 hydraulic control machine slide block, start fast fixture, mould holder 306 is made to unclamp the 3rd mould, stretch out die bottom plate 301, start location hydraulic control system, pumping plant 31 brings into operation, the signal of telecommunication is exported by controller 34, proportioning valve 32 is sent to through amplifier 33, first hydraulic fluid port of proportioning valve 32 is opened to the first oil cylinder 302 oil-in input pressure oil, second hydraulic fluid port of proportioning valve 32 opens the fluid receiving and flow back to from the first oil cylinder 302 oil-out simultaneously, the die bottom plate 301 that first oil cylinder 302 promotes on travelling table 3 stretches out, stretch out in process, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 stretches out speed, feed back to controller 34, the flow of control ratio valve 32 output pressure fluid after piston rod outreach determined as calculated by controller 34, die bottom plate 301 is accurately located, unload workpiece, unload the 3rd mould,
H repeats step 2 in previous step), stop the power supply of each several parts such as fast fixture, mobile device, hydraulic system 2 successively.
The production cost of this hydraulic press reduces by 13% than the cost with the hydraulic press of tonnage, and production efficiency improves 25%.
Embodiment 3
In this enforcement, device is with embodiment 1, and difference is, the screwed hole of slide mass upper surface is 8; Line slideway auxiliary 303 is 50mm with the distance of base 305 side.
Claims (4)
1. a using method for frame type hydraulic press, the steps include:
Preparation before A work, checks that whether fuselage (1) each parts are complete, whether has foreign material, try hydraulic system (2) out, checks that whether pressure is normal, checks that whether flexibly, reliably each several part action;
B clamping mold, comprises the following steps:
1) die bottom plate (301) is stretched out, start location hydraulic control system, pumping plant (31) brings into operation, the signal of telecommunication is exported by controller (34), proportioning valve (32) is sent to through amplifier (33), first hydraulic fluid port of proportioning valve (32) is opened to the first oil cylinder (302) oil-in input pressure oil, second hydraulic fluid port of proportioning valve (32) opens the fluid receiving and flow back to from the first oil cylinder (302) oil-out simultaneously, the die bottom plate (301) that first oil cylinder (302) promotes on travelling table (3) stretches out, stretch out in process, the piston rod that the first oil cylinder (302) monitored by velocity sensor (35) stretches out speed, feed back to controller (34), the flow of control ratio valve (32) output pressure fluid after piston rod outreach determined as calculated by controller (34), die bottom plate (301) is accurately located,
2) the first mould is placed on die bottom plate (301), adjusts orientation;
3) die bottom plate (301) is regained, the signal of telecommunication is exported by controller (34), proportioning valve (32) is sent to through amplifier (33), second hydraulic fluid port of proportioning valve (32) is opened to the first oil cylinder (302) oil-out input pressure oil, first hydraulic fluid port of proportioning valve (32) opens the fluid receiving and flow back to from the first oil cylinder (302) oil-in simultaneously, first oil cylinder (302) pulls the die bottom plate (301) on travelling table (3) to regain, in withdrawal process, the piston rod that the first oil cylinder (302) monitored by velocity sensor (35) regains speed, feed back to controller (34), controller (34) determines that piston rod regains the flow apart from rear control ratio valve (32) output pressure fluid as calculated, die bottom plate (301) is accurately playbacked,
4) fast fixture is started, by mould holder (306) Quick-clamped first mould, the first mould installation;
C stamped workpieces, is placed on above mould by sheet material to be processed, is fallen, complete the punch forming of sheet material by hydraulic system (2) hydraulic control machine slide block;
D starts fast fixture, makes mould holder (306) unclamp the first mould, repeats the step 1 in step B), unload workpiece, unload the first mould;
E changes the second mould, and its step is as follows:
1) the second mould is placed on die bottom plate (301), adjusts orientation;
2) step 3 in step B is repeated);
3) fast fixture is started, by mould holder (306) Quick-clamped second mould, the second mould installation;
F repeats step C, starts fast fixture, makes mould holder (306) unclamp the second mould, repeats the step 1 in step B), unload workpiece, unload the second mould;
G with step e and F, difference be the second mould is replaced to the 3rd mould, the 4th mould ..., N mould, or, directly arrive next step;
H repeats step 3 in step B), stop the power supply of fast fixture, mobile device, hydraulic system (2) each several part successively.
2. the using method of a kind of frame type hydraulic press according to claim 1, is characterized in that: described frame type hydraulic press comprises ground, fuselage (1) and hydraulic system (2); Described fuselage (1) is arranged on ground, and fuselage (1) comprises travelling table (3); Described hydraulic system (2) is arranged on the top of fuselage (1), it is characterized in that: described travelling table (3) comprises base (305), mobile device and fast fixture; Described mobile device comprises location hydraulic control system, die bottom plate (301), the first oil cylinder (302) and line slideway auxiliary (303); Described line slideway auxiliary (303) is strip guide rail, and quantity is two, and be arranged between base (305) and die bottom plate (301) abreast, line slideway auxiliary (303) is divided into upper rail and lower guideway; The upper surface of described upper rail is connected with the lower surface of die bottom plate (301), and upper rail lower surface is provided with T-shaped groove; The lower surface of described lower guideway is connected with base (305) upper surface, and lower guideway upper surface is provided with T-shaped projection; Described T-shaped groove and T-shaped projection match, and are connected by die bottom plate (301) with base (305); One end of described the first oil cylinder (302) is connected with die bottom plate (301), and the other end is connected with base (305), and the first oil cylinder (302) is parallel with line slideway auxiliary (303); Described location hydraulic control system comprises pumping plant (31), proportioning valve (32), amplifier (33), controller (34) and velocity sensor (35); Described the first oil cylinder (302) comprises piston rod, oil-in and oil-out; It is inner that described piston rod one end is positioned at the first oil cylinder (302), the other end stretches out the first oil cylinder (302) and is connected with die bottom plate (301), and one end that piston rod stretches out the first oil cylinder (302) is provided with velocity sensor (35); Described pumping plant (31) is connected with proportioning valve (32); Described proportioning valve (32) is provided with the first hydraulic fluid port, the second hydraulic fluid port and calutron; The first described hydraulic fluid port is connected with the oil-in of the first oil cylinder (302); The second described hydraulic fluid port is connected with the oil-out of the first oil cylinder (302); Described calutron is connected with amplifier (33); Described controller (34) one end is connected with amplifier (33), and the other end is connected with velocity sensor (35); Described base (305) upper surface is provided with groove; The length direction of described groove is vertical with the length direction of the first oil cylinder (302); Described fast fixture is two, is arranged on the both sides in base (305) groove symmetrically, and fast fixture comprises slide mass, the second oil cylinder (304) and mould holder (306); Described the second oil cylinder (304) one end is fixed on base (305), and the other end is connected with slide mass; Described die bottom plate (301) is provided with the oblong openings perpendicular to the first oil cylinder (302); Described mould holder (306) is connected with slide mass through after oblong openings.
3. the using method of a kind of frame type hydraulic press according to claim 2, is characterized in that: described velocity sensor (35) comprises sensor contact; Described sensor contact is rolling contact; Described proportioning valve (32) is 3-position 4-way proportional reversing valve.
4. the using method of a kind of frame type hydraulic press according to claim 2, is characterized in that: described hydraulic system (2) comprises hydraulic pump and motor; Described hydraulic pump is bent axis type axial piston pump; The power of described motor is 30kw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510888983.1A CN105398071B (en) | 2014-12-23 | 2014-12-23 | Use method for frame-type hydraulic machine |
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| CN201510888983.1A CN105398071B (en) | 2014-12-23 | 2014-12-23 | Use method for frame-type hydraulic machine |
| CN201410815120.7A CN104527112B (en) | 2014-12-23 | 2014-12-23 | A kind of frame type hydraulic press |
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| CN201410815120.7A Division CN104527112B (en) | 2014-12-23 | 2014-12-23 | A kind of frame type hydraulic press |
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| CN201510815282.5A Active CN105383082B (en) | 2014-12-23 | 2014-12-23 | A kind of frame type hydraulic press with fast fixture |
| CN201510888983.1A Active CN105398071B (en) | 2014-12-23 | 2014-12-23 | Use method for frame-type hydraulic machine |
| CN201410815120.7A Active CN104527112B (en) | 2014-12-23 | 2014-12-23 | A kind of frame type hydraulic press |
| CN201510816043.1A Active CN105313359B (en) | 2014-12-23 | 2014-12-23 | Using method of frame type hydraulic press |
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| CN201510816043.1A Active CN105313359B (en) | 2014-12-23 | 2014-12-23 | Using method of frame type hydraulic press |
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| WO1996019341A1 (en) * | 1994-12-21 | 1996-06-27 | Komatsu Ltd. | Mold protecting apparatus for hydraulic presses |
| CN102582101A (en) * | 2012-02-17 | 2012-07-18 | 天津市天锻压力机有限公司 | Four-column forging hydraulic machine |
| CN102602019A (en) * | 2012-03-22 | 2012-07-25 | 上海大学 | Low-power 200mm/s grade high-speed large-tonnage four-post single-acting hot-stamping oil press |
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| US3738284A (en) * | 1971-04-23 | 1973-06-12 | Komatsu Mfg Co Ltd | Longitudinally and transversally movable truck |
| CN2444757Y (en) * | 2000-10-25 | 2001-08-29 | 天津市锻压机床总厂 | Precision mould adjusting hydraulic press |
| CN1274485C (en) * | 2003-11-24 | 2006-09-13 | 天津市天锻压力机有限公司 | Large-scale double-action hydraulic drawing machine for heavy plate |
| CN200974336Y (en) * | 2006-08-30 | 2007-11-14 | 领胜电子科技（深圳）有限公司 | Hot-melt glue felting hot press |
| JP2011112153A (en) * | 2009-11-26 | 2011-06-09 | Daikin Industries Ltd | Hydraulic device |
| CN202439251U (en) * | 2012-02-02 | 2012-09-19 | 常州市华立液压润滑设备有限公司 | Movable workbench for hydraulic machine |
| CN102896798A (en) * | 2012-11-07 | 2013-01-30 | 南通锻压设备股份有限公司 | Framework-type hydraulic machine |
| CN203198284U (en) * | 2013-01-24 | 2013-09-18 | 烟台大学 | Loading and unloading mechanism for dies on press machine |
| CN204340247U (en) * | 2014-12-23 | 2015-05-20 | 天水锻压机床集团安徽压力机有限公司 | A kind of frame type hydraulic press |
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2014
- 2014-12-23 CN CN201510815282.5A patent/CN105383082B/en active Active
- 2014-12-23 CN CN201510888983.1A patent/CN105398071B/en active Active
- 2014-12-23 CN CN201410815120.7A patent/CN104527112B/en active Active
- 2014-12-23 CN CN201510816043.1A patent/CN105313359B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996019341A1 (en) * | 1994-12-21 | 1996-06-27 | Komatsu Ltd. | Mold protecting apparatus for hydraulic presses |
| CN102582101A (en) * | 2012-02-17 | 2012-07-18 | 天津市天锻压力机有限公司 | Four-column forging hydraulic machine |
| CN102602019A (en) * | 2012-03-22 | 2012-07-25 | 上海大学 | Low-power 200mm/s grade high-speed large-tonnage four-post single-acting hot-stamping oil press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105313359A (en) | 2016-02-10 |
| CN105313359B (en) | 2017-02-01 |
| CN105398071B (en) | 2017-02-01 |
| CN104527112A (en) | 2015-04-22 |
| CN105383082A (en) | 2016-03-09 |
| CN104527112B (en) | 2016-02-24 |
| CN105383082B (en) | 2017-03-29 |
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