CN105313359B - Using method of frame type hydraulic press - Google Patents
Using method of frame type hydraulic press Download PDFInfo
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- CN105313359B CN105313359B CN201510816043.1A CN201510816043A CN105313359B CN 105313359 B CN105313359 B CN 105313359B CN 201510816043 A CN201510816043 A CN 201510816043A CN 105313359 B CN105313359 B CN 105313359B
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- mould
- oil cylinder
- hydraulic
- bottom plate
- oil
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/041—Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- 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 using method of a frame type hydraulic press, and belongs to the field of hydraulic presses. The problems that a household appliance auxiliary product production line is low in speed, large in production pressure and high in labor intensity of workers are solved. The frame type hydraulic press comprises a foundation, a machine body and a hydraulic system. The machine body is mounted on the foundation, and the hydraulic system is mounted on the top of the machine body. A movable workbench comprises a base, a moving device and a quick clamping device. The using method comprises the steps of A conducting preparation before working, B clamping a die, C punching a workpiece, D starting the quick clamping device, E replacing a second die, F executing the step C again and starting the quick clamping device, G executing the step E and the step F again, and H executing the step (3) in the step B again and shutting off power sources of the quick clamping device, the moving device, the hydraulic system and the like sequentially. The using method of the frame type hydraulic press can meet the requirement for the quickness and flexibility of similar household appliance auxiliary product production lines, is high in machining precision, and has the advantages of safety and stability.
Description
The application is invention entitled " a kind of frame type hydraulic press and its using method ", Application No.
2014108151207, 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, it is related to a kind of using method of frame type hydraulic press.
Background technology
Hydraulic press is that a kind of static pressure using oil pump delivery hydraulic pressure oil processes metal, plastics, rubber, timber, powder
Plant equipment Deng product.It is usually used in pressing process and block pressing forming process, such as: forging and stamping, punching press, cold-extruded, alignment, bending,
Flange, process of sheet drawing, powder metallurgy, press-fit etc..Frame type hydraulic press is one kind of hydraulic press, and it is applied to zero, machine
The work such as part carries out assembling, dismantles, alignment, calendering, stretching, bending, punching, really realize a tractor serves several purposes；Can be used for correction to become
Shape workpiece, dismounting cylinder cone bearing, press-fit various fitted component.The work process of conventional hydraulic machine is, first install with to be processed
The corresponding mould of product, mould run-of-the-mill is big, needs special bolt to fix；Then raw material is placed on mould, passes through
Hydraulic press punch forming；Finally take off workpiece.Mould is installed and can only process a kind of product, processing multiple product needs repeatedly
More mold exchange, or it is equipped with multiple stage hydraulic press, and hydraulic press is typically bulky, price is high, is equipped with multiple stage hydraulic press not only
Occupy very big space and need very big cost input, obviously unrealistic for the manufacturer of general economic strength,
So can only be after processing a kind of product, more mold exchange processes another product immediately, although so saving cost,
The valuable production time is wasted on repeated disassembled and assembled mould, has become the speed of production improving on production line further, improve
The maximum restraining factors of production efficiency.In addition, with the continuous improvement of living standards of the people, various household electrical appliances constantly general
And it is desirable to the production line producing various household electrical appliances auxiliary products has faster higher production capacity, hydraulic press is as household electrical appliances production line
The equipment of upper use, the problems referred to above existing highlight its pickle, how to improve the speed of production of hydraulic press, how to make
Hydraulic press is more flexible, stable, and can become hydraulic press hold ground on a production line, or even expands the key using.
Through the retrieval to existing hydraulic press, find such as, China Patent No. 201210038872.8, publication date 2012 7
The patent application document on the moon 18, discloses four post hydraulic forging presses, by column, upper, middle and lower crossbeam, operating cylinder and backhaul
Oil cylinder is constituted；It is provided with guide pillar structure between middle cross beam and column, is characterized in: guide pillar structure includes four groups by guide plate
The guidance set constituting with wedge, wedge is by pressing plate pressure admittedly in middle cross beam；Guide plate is provided with gripper shoe near the position of upper end,
Adjusting pad is installed between gripper shoe and pressing plate；The lower end of operating cylinder plunger rod is formed with cylindrical cavity, and cylinder intracavity is provided with first
Ball ring and sphere post, sphere post outer cover equipped with support set, the lower end lobe of support set added equipped with supporting structure, support
It is provided with cushion between structure and lobe；Second ball ring is installed inside the lower end of support set.Using said structure, column
Form face with guide frame to contact, reduce local pressure, it is to avoid column is pulled；In addition, passing through the second ball ring, sphere post
And first the cooperation of ball ring rotate, it is to avoid plunger rod deflects along axis, thus reducing cylinder body and plunger rod pulls
Destroy.
And for example, China Patent No. 201410118635.1, the patent application document in publication date on June 18th, 2014, open
A kind of novel frame-type high speed hydraulic press, including fuselage, oil cylinder, dynamic hydraulic system, electric control system and security system,
Described dynamic hydraulic system includes Hydraulic Station and fluid pressure line, and described fuselage is integral frame-type structure, and described body upper sets
There is platform, described Hydraulic Station is arranged on the platform, and the middle part of described fuselage is provided with guider, under described fuselage
End corner is provided with levelling device.This invention adopts said structure, and fuselage is integral frame-type structure so that overall stiffness first
High with stability, adopt Hydraulic Station overhead simultaneously, take up room little, and be provided with levelling device, send out such that it is able to anti-limited slip block
Raw unbalance loading phenomenon, operating rate is fast, good with the depth of parallelism of workbench in the case of slide block unbalance loading.In addition, this hydraulic press has guiding
High precision, non-deformability is strong, and precision stability is good, the advantages of being unlikely to deform.
But foregoing invention relatively conventional hydraulic machine still exists, and speed of production is relatively slow, it is heavy to work, and production cost is high, is not suitable for
For the production and application on household electrical appliances auxiliary products fast production lines.
Content of the invention
1st, problem to be solved
For meeting quick, flexible requirement on household electrical appliances auxiliary products production line, solution production line pressure is big, and workman's work is by force
Spend big problem, the present invention provides a kind of using method of frame type hydraulic press, and its device includes mobile work platform, with this
Bright can meet that household electrical appliances auxiliary products production line is quick, flexible to be required, and machining accuracy is high, has the advantages that safe and stable.
2nd, technical scheme
For solving the above problems, the present invention adopts the following technical scheme that.
A kind of frame type hydraulic press, including ground, fuselage and hydraulic system；Described fuselage is arranged on ground, fuselage
Including mobile work platform；Described hydraulic system is arranged on the top of fuselage；Described mobile work platform includes base, mobile dress
Put and fast fixture.
Preferably, described mobile device includes positioning 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 abreast arranged between base and die bottom plate, line slideway
Pair 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, upper rail lower surface
It is provided with t connected in star；The lower surface of described lower guideway is connected with base upper surface, and it is raised that lower guideway upper surface is provided with t shape；Described
T connected in star and t shape projection match, die bottom plate is connected with base；Described one end of the first oil cylinder and die bottom plate
Connect, the other end is connected with base, and the first oil cylinder is parallel with line slideway auxiliary；Described positioning hydraulic control system includes pumping plant, ratio
Example valve, amplifier, controller and velocity sensor；The first described oil cylinder includes piston rod, oil-in and oil-out；Described
Piston rod one end is located inside the first oil cylinder, and the other end is stretched out the first oil cylinder and is connected with die bottom plate, and piston rod stretches out the first oil
One end of cylinder is provided with velocity sensor；Described pumping plant is connected with proportioning valve；Described proportioning valve be provided with the first hydraulic fluid port, 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 and the first oil cylinder
Oil-out connect；Described calutron is connected with amplifier；Described controller one end is connected with amplifier, the other end with
Velocity sensor connects；Described base upper surface is provided with groove；The length direction of described groove and the length of the first oil cylinder
Direction is vertical；Described fast fixture is two, is symmetrically mounted at the both sides in base groove, fast fixture bag
Include slide mass, the second oil cylinder and mould folder；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 folder through after oblong openings with
Slide mass connects.
Preferably, described velocity sensor includes sensor contact；Described sensor contact is rolling contact；Described ratio
Example valve is 3-position 4-way proportional reversing valve.
Preferably, described hydraulic system includes hydraulic pump and motor；Described hydraulic pump is bent axis type axial piston pump；Institute
The power of the motor stated is 30kw.
Preferably, the first described oil cylinder is arranged on the line of symmetry between two line slideway auxiliaries；Described straight line is led
The secondary distance with base side of rail is 30-50mm.
Preferably, described slide mass upper surface is provided with screwed hole；One end that described mould folder is connected with slide mass sets
There is external screw thread；Described external screw thread is closed with the corresponding threaded holes of slide mass upper surface；The screwed hole of described slide mass upper surface
For 1-8.
Preferably, the side on the described top of mould folder 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；Lead under described
The lower surface of rail and the connection of base upper surface are welding.
Preferably, one end of the first described oil cylinder is connected with die bottom plate by bolt, and the other end passes through bolt and bottom
Seat connects.
A kind of using method of frame type hydraulic press, the steps include:
Preparation before a work, checks whether each part of fuselage is complete, if has debris, trial operation hydraulic system, checks pressure
Whether power is normal, checks whether each several part action is flexible, reliable；
B clamping mold, comprises the following steps:
1) stretch out die bottom plate, start positioning hydraulic control system, pumping plant brings into operation, and exports the signal of telecommunication, warp by controller
Amplifier sends proportioning valve to, and the first hydraulic fluid port of proportioning valve is opened to the first oil cylinder oil inlet mouth input pressure oil, proportioning valve simultaneously
The second hydraulic fluid port open and receive the fluid that flows back to from the first oil cylinder oil-out, the mould bottom in the first oil cylinder pushing mobile work platform
Plate stretches out, and during stretching out, the piston rod that the first oil cylinder monitored by velocity sensor stretches out speed, feeds back to controller, controller
Control the flow of proportioning valve output pressure fluid after being computed determining piston rod outreach, so that die bottom plate is accurately positioned；
2) the first mould is placed on die bottom plate, adjusts orientation；
3) withdraw die bottom plate, the signal of telecommunication is exported by controller, amplified device sends proportioning valve to, the second of proportioning valve
Hydraulic fluid port open to first oil cylinder oil-out input pressure oil, simultaneously the first hydraulic fluid port of proportioning valve open reception from the first oil cylinder oil inlet
The fluid that mouth flows back to, the first oil cylinder pulls the die bottom plate in mobile work platform to withdraw, and during withdrawal, velocity sensor is monitored
The piston rod of the first oil cylinder withdraws speed, feeds back to controller, and controller is computed determining that piston rod withdraws apart from rear control ratio
The flow of example valve output pressure fluid, makes die bottom plate accurately playback；
4) start fast fixture, Quick-clamped first mould is pressed from both sides by mould, the first mould installion completes；
C stamped workpieces, sheet material to be processed is placed on above mould, by under HYDRAULIC CONTROL SYSTEM slider of hydraulic press
Fall, complete the punch forming of sheet material；
D starts fast fixture, so that mould is pressed from both sides and unclamps the first mould, the step 1 in repeat 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 repeat step b)；
3) start fast fixture, Quick-clamped second mould is pressed from both sides by mould, the second mould installion completes；
F repeat step c, starts fast fixture, so that mould is pressed from both sides and unclamps the second mould, the step 1 in repeat step b),
Unload workpiece, unload the second mould；
G with step e and f, except that by the second mould be substituted for the 3rd mould, the 4th mould ..., the n-th mould,
Or, directly arrive next step；
Step 3 in h repeat step b), stop each several parts such as fast fixture, positioning hydraulic control system, hydraulic system successively
Power supply.
3rd, beneficial effect
Compared to prior art, the invention has the benefit that
(1) the inventive system comprises ground, fuselage and hydraulic system；Fuselage is arranged on ground, and fuselage includes moving
Workbench；Hydraulic system is arranged on the top of fuselage；Mobile work platform includes base, mobile device and fast fixture, leads to
Cross mobile device and fast fixture enables quick die change and die-filling, greatly accelerate the speed of production on production line, carry
High production efficiency；
(2) mobile device of apparatus of the present invention includes positioning hydraulic control system, die bottom plate, the first oil cylinder and line slideway
Secondary；Line slideway auxiliary is strip guide rail, and quantity is two, is abreast arranged between base and die bottom plate, line slideway auxiliary
It 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 it is recessed that upper rail lower surface is provided with t shape
Groove；The lower surface of lower guideway is connected with base upper surface, and it is raised that lower guideway upper surface is provided with t shape；T connected in star and t shape projection phase
Cooperation, die bottom plate is connected with base, the setting of line slideway auxiliary makes mobile device more stable, thus improve the present invention
The stability of device, 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,
The other end is connected with base, and the first oil cylinder is parallel with line slideway auxiliary；Positioning hydraulic control system include pumping plant, proportioning valve, amplifier,
Controller and velocity sensor, positioning hydraulic control system provides, to mobile device, the system of being accurately controlled it is ensured that the present invention fills
Put and can quickly and accurately navigate to die change point and operating point during die-filling；First oil cylinder include piston rod, oil-in and
Oil-out；Piston rod one end is located inside the first oil cylinder, and the other end is stretched out the first oil cylinder and is connected with die bottom plate, and piston rod stretches out
One end of first oil cylinder is provided with velocity sensor；Pumping plant is connected with proportioning valve；Proportioning valve be 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；Electromagnetic installing
Put and be connected with amplifier；Controller one end is connected with amplifier, and the other end is connected with velocity sensor, and positioning hydraulic control system is given and moved
Dynamic device provides power, and make apparatus of the present invention quick die change and die-filling on have control system more accurately and quickly
System；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
Individual, it is symmetrically mounted at the both sides in base groove, fast fixture includes slide mass, the second oil cylinder and mould folder；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 rectangle perpendicular to the first oil cylinder
Opening；Mould folder is connected with slide mass through after oblong openings, and fast fixture changes conventional mounting, fixing mould
Method, there is provided quicker, safe mould installion, fixed form, can save the die-filling time in a large number, also make production line
Upper quick die change is convenient, improves production efficiency；
(3) velocity sensor of apparatus of the present invention includes sensor contact；Sensor contact is rolling contact；Proportioning valve is three
Four-way proportional reversing valve, rolling contact is more flexibly and durable, and 3-position 4-way proportioning valve is when adjusting hydraulic pressure and flow
More accurately, stable；
(4) hydraulic system of apparatus of the present invention includes hydraulic pump and motor；Hydraulic pump is bent axis type axial piston pump；Motor
Power be 30kw so that hydraulic system space is 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；Line slideway auxiliary
It is 30-50mm with the distance of base side, the motive force that the first oil cylinder brings to die bottom plate is more uniformly so that 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 folder is connected with slide mass is provided with outer
Screw thread；External screw thread is closed with the corresponding threaded holes of slide mass upper surface；The screwed hole of slide mass upper surface is 1-8；Mould folder can
According to mould size adjustment position and distance, to expand the envelop of function of fast fixture；
(7) side on the top of mould folder of apparatus of the present invention is provided with friction protrusion；Bossing can firmly clamp mould
Tool, makes mould installion obtain more firm, improves 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；Lower guideway
Lower surface is welding with the connection of base upper surface；One end of first oil cylinder is connected with die bottom plate by bolt, and the other end leads to
Cross bolt to be connected with base, bolted each several part allows parts to dismantle, maintain easily and change, welding is then to carry
High firm reliability；
(9) using method of the present invention provides quick die change and die-filling method on a kind of production line, is particularly suitable for house
On electric auxiliary products fast production lines fast and efficiently require so that the speed of production of household electrical appliances auxiliary products faster, efficiency more
Height, control accuracy is high, low production cost.
Brief description
Fig. 1 is the whole 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 positioning hydraulic control system schematic diagram of the mobile device of apparatus of the present invention.
In figure: 1, fuselage；2nd, hydraulic system；3rd, mobile work platform；301st, die bottom plate；302nd, the first oil cylinder；303rd, straight
Line guideway；304th, the second oil cylinder；305th, base；306th, mould folder；31st, pumping plant；32nd, proportioning valve；33rd, amplifier；34th, control
Device；35th, velocity sensor.
Specific embodiment
With reference to specific embodiment, the present invention is further described below.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of frame type hydraulic press, including ground, fuselage 1 and hydraulic system 2；Machine
Body 1 is arranged on ground, and fuselage 1 includes mobile work platform 3；Hydraulic system 2 is arranged on the top of fuselage 1, and hydraulic system 2 includes
Hydraulic pump and motor；Hydraulic pump is bent axis type axial piston pump；The power of motor is 30kw；Mobile work platform 3 includes base
305th, mobile device and fast fixture；Mobile device includes positioning hydraulic control system, die bottom plate 301, the first oil cylinder 302 and
Line slideway auxiliary 303；Line slideway auxiliary 303 is strip guide rail, and quantity is two, is abreast arranged on base 305 and mould bottom
Between plate 301, line slideway auxiliary 303 is 40mm with the distance of base 305 side, line slideway auxiliary 303 be divided into upper rail and under
Guide rail；The upper surface of upper rail is connected with the lower surface of die bottom plate 301 by bolt, and upper rail lower surface is provided with t connected in star；
The lower surface of lower guideway is welding with the connection of base 305 upper surface, and it is raised that lower guideway upper surface is provided with t shape；T connected in star and t
Shape projection matches, and die bottom plate 301 is connected with base 305；Bolt and die bottom plate are passed through in one end of first oil cylinder 302
301 connections, the other end is connected with base 305 by bolt, and the first oil cylinder 302 is parallel with line slideway auxiliary 303, the first oil cylinder
302 are arranged on the line of symmetry between two line slideway auxiliaries 303；Positioning hydraulic control system includes pumping plant 31, proportioning valve 32, amplifies
Device 33, controller 34 and velocity sensor 35；First oil cylinder 302 includes piston rod, oil-in and oil-out；Piston rod one end position
Inside the first oil cylinder 302, the other end is stretched out the first oil cylinder 302 and is connected with die bottom plate 301, and piston rod stretches out the first oil cylinder
302 one end is provided with velocity sensor 35；Velocity sensor 35 includes sensor contact；Sensor contact is rolling contact；Pumping plant 31
It 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 ratio
Example reversal 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；Bottom
Seat 305 upper surfaces are provided with groove；The length direction of groove is vertical with the length direction of the first oil cylinder 302；Fast fixture is
Two, it is symmetrically mounted at the both sides in base 305 groove, fast fixture includes slide mass, the second oil cylinder 304 and mould
Folder 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 vertically
Oblong openings in the first oil cylinder 302；Mould folder 306 is connected with slide mass after passing through oblong openings；Slide mass upper surface
It is provided with screwed hole；The side on the top of mould folder 306 is provided with friction protrusion, and one end that mould folder 306 is connected with slide mass is provided with
External screw thread；External screw thread is closed with the corresponding threaded holes of slide mass upper surface；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 to change mould twice, the steps include:
Preparation before a work, checks whether each part of fuselage 1 is complete, if has debris, trial operation hydraulic system 2, checks
Whether pressure is normal, checks whether each several part action is flexible, reliable；
B clamping mold, comprises the following steps:
1) stretch out die bottom plate 301, start positioning hydraulic control system, pumping plant 31 brings into operation, and exports electricity by controller 34
Signal, amplified device 33 sends proportioning valve 32 to, and the first hydraulic fluid port of proportioning valve 32 is opened and inputted pressure to the first oil cylinder 302 oil-in
Power is oily, and the second hydraulic fluid port of proportioning valve 32 is opened and received the fluid flowing back to from the first oil cylinder 302 oil-out, the first oil cylinder 302 simultaneously
The die bottom plate 301 in mobile work platform 3 is promoted to stretch out, during stretching out, the work of the first oil cylinder 302 monitored by velocity sensor 35
Stopper rod stretches out speed, feeds back to controller 34, and controller 34 controls proportioning valve 32 defeated after being computed determining piston rod outreach
Go out the flow of pressure oil liquid, so that die bottom plate 301 is accurately positioned；
2) the first mould is placed on die bottom plate 301, adjusts orientation；
3) withdraw die bottom plate 301, the signal of telecommunication is exported by controller 34, amplified device 33 sends proportioning valve 32 to, than
Second hydraulic fluid port of example valve 32 is opened to the first oil cylinder 302 oil-out input pressure oil, and the first hydraulic fluid port of proportioning valve 32 is opened simultaneously
Receive the fluid flowing back to from the first oil cylinder 302 oil-in, the first oil cylinder 302 pulls the die bottom plate 301 in mobile work platform 3 to receive
Return, during withdrawal, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 withdraws speed, feeds back to controller 34, controls
Device 34 is computed determining that piston rod withdraws apart from the rear flow controlling proportioning valve 32 output pressure fluid, makes die bottom plate 301 essence
Really playback；
4) start fast fixture, 306 Quick-clamped the first moulds are pressed from both sides by mould, the first mould installion completes；
C stamped workpieces, sheet material to be processed is placed on above mould, is controlled under slider of hydraulic press by hydraulic system 2
Fall, complete the punch forming of sheet material；
D starts fast fixture, makes mould press from both sides 306 and unclamps the first mould, the step 1 in repeat step b), unload work
Part, unloads 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 repeat step b)；
3) start fast fixture, 306 Quick-clamped the second moulds are pressed from both sides by mould, the second mould installion completes；
F repeat step c, starts fast fixture, makes mould press from both sides 306 and unclamps the second mould, the step in repeat step b
1), unload workpiece, unload the second mould；
Step 3 in g repeat step b), stop each portions such as fast fixture, positioning hydraulic control system, hydraulic system 2 successively
The power supply dividing.
The inventive system comprises mobile work platform have concurrently quickly, the die bottom plate 301 of accurate movement and quick, stable
Fast fixture, the quick change of mould and the purpose of fast-assembling can be completed by the using method of the present invention, meet household electrical appliances and join
Fast and efficiently require on the production lines such as set product, and on the premise of guaranteeing product on production line quality and precision, improve
The production efficiency of production line, the cost of the production cost of this hydraulic press hydraulic press than same tonnage reduces by 15%, production efficiency
Improve 20%.
Embodiment 2
Device in the present embodiment with embodiment 1, except that, the screwed hole of slide mass upper surface is 1；Straight line is led
Rail secondary 303 is 30mm with the distance of base 305 side.
A kind of using method of frame type hydraulic press in the present embodiment, needs to change three moulds, the same embodiment of its step
1, except that:
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) withdraw die bottom plate 301, the signal of telecommunication is exported by controller 34, amplified device 33 sends proportioning valve 32 to, than
Second hydraulic fluid port of example valve 32 is opened to the first oil cylinder 302 oil-out input pressure oil, and the first hydraulic fluid port of proportioning valve 32 is opened simultaneously
Receive the fluid flowing back to from the first oil cylinder 302 oil-in, the first oil cylinder 302 pulls the die bottom plate 301 in mobile work platform 3 to receive
Return, during withdrawal, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 withdraws speed, feeds back to controller 34, controls
Device 34 is computed determining that piston rod withdraws apart from the rear flow controlling proportioning valve 32 output pressure fluid, makes die bottom plate 301 essence
Really playback；
3) start fast fixture, 306 Quick-clamped the 3rd mould is pressed from both sides by mould, the 3rd mould installion completes；
Stamped workpieces, sheet material to be processed is placed on above mould, is controlled under slider of hydraulic press by hydraulic system 2
Fall, complete the punch forming of sheet material；Start fast fixture, make mould press from both sides 306 and unclamp the 3rd mould, stretch out die bottom plate
301, start positioning hydraulic control system, pumping plant 31 brings into operation, and exports the signal of telecommunication by controller 34, and amplified device 33 sends ratio to
Example valve 32, the first hydraulic fluid port of proportioning valve 32 is opened to the first oil cylinder 302 oil-in input pressure oil, the second of proportioning valve 32 simultaneously
Hydraulic fluid port is opened and is received the fluid flowing back to from the first oil cylinder 302 oil-out, and the first oil cylinder 302 promotes the mould in mobile work platform 3
Base plate 301 stretches out, and during stretching out, the piston rod that the first oil cylinder 302 monitored by velocity sensor 35 stretches out speed, feeds back to control
Device 34, controller 34 controls the flow of proportioning valve 32 output pressure fluid after being computed determining piston rod outreach, make mould
Base plate 301 is accurately positioned, and unloads workpiece, unloads the 3rd mould；
H repeats step 2 in previous step), stop fast fixture, positioning hydraulic control system, hydraulic system 2 etc. successively each
Partial power supply.
The cost of the hydraulic press than same tonnage for the production cost of this hydraulic press reduces by 13%, and production efficiency improves 25%.
Embodiment 3
In this enforcement, device is with embodiment 1, except that, 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 kind of using method of frame type hydraulic press, the steps include:
Preparation before a work, checks whether each part of fuselage (1) is complete, if having debris, trial operation hydraulic system (2), inspection
Whether normal look into pressure, check whether each several part action is flexible, reliable；
B clamping mold, comprises the following steps:
1) stretch out die bottom plate (301), start positioning hydraulic control system, pumping plant (31) brings into operation, and is exported by controller (34)
The signal of telecommunication, amplified device (33) sends proportioning valve (32) to, and the first hydraulic fluid port of proportioning valve (32) is opened and entered to the first oil cylinder (302)
Hydraulic fluid port input pressure is oily, and the second hydraulic fluid port of proportioning valve (32) is opened and received the oil flowing back to from the first oil cylinder (302) oil-out simultaneously
Liquid, the first oil cylinder (302) promotes the die bottom plate (301) in mobile work platform (3) to stretch out, during stretching out, velocity sensor
(35) piston rod of monitoring the first oil cylinder (302) stretches out speed, feeds back to controller (34), and controller (34) is computed determining and lives
Control the flow of proportioning valve (32) output pressure fluid after stopper rod outreach, so that die bottom plate (301) is accurately positioned；
2) the first mould is placed on die bottom plate (301), adjusts orientation；
3) withdraw die bottom plate (301), the signal of telecommunication is exported by controller (34), amplified device (33) sends proportioning valve to
(32), the second hydraulic fluid port of proportioning valve (32) is opened to the first oil cylinder (302) oil-out input pressure oil, proportioning valve (32) simultaneously
First hydraulic fluid port is opened and is received the fluid flowing back to from the first oil cylinder (302) oil-in, and the first oil cylinder (302) pulls mobile work platform
(3) die bottom plate (301) on withdraws, and during withdrawal, the piston rod that the first oil cylinder (302) monitored by velocity sensor (35) is received
Return speed, feed back to controller (34), controller (34) is computed determining that piston rod withdrawal is defeated apart from rear control proportioning valve (32)
Go out the flow of pressure oil liquid, so that die bottom plate (301) is accurately playbacked；
4) start fast fixture, (306) Quick-clamped the first mould is pressed from both sides by mould, the first mould installion completes；
C stamped workpieces, sheet material to be processed is placed on above mould, is controlled under slider of hydraulic press by hydraulic system (2)
Fall, complete the punch forming of sheet material；
D starts fast fixture, makes mould press from both sides (306) and unclamps the first mould, the step 1 in repeat step b), unload work
Part, unloads 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 repeat step b)；
3) start fast fixture, (306) Quick-clamped the second mould is pressed from both sides by mould, the second mould installion completes；
F repeat step c, starts fast fixture, makes mould press from both sides (306) and unclamps the second mould, the step in repeat step b
1), unload workpiece, unload the second mould；
G with step e and f, except that by the second mould be substituted for the 3rd mould, the 4th mould ..., the n-th mould, or
Person, directly arrives next step；
Step 3 in h repeat step b), stop fast fixture, positioning hydraulic control system, hydraulic system (2) each several part successively
Power supply.
2. a kind of frame type hydraulic press according to claim 1 using method it is characterised in that: described frame-type liquid
Press includes ground, fuselage (1) and hydraulic system (2)；Described fuselage (1) is arranged on ground, and fuselage (1) includes mobile work
Station (3)；Described hydraulic system (2) is arranged on the top of fuselage (1), and described mobile work platform (3) includes base
(305), mobile device and fast fixture；Described mobile device include positioning hydraulic control system, die bottom plate (301), the
One oil cylinder (302) and line slideway auxiliary (303)；Described line slideway auxiliary (303) is strip guide rail, and quantity is two, parallel
Be arranged between base (305) and die bottom plate (301), line slideway auxiliary (303) is divided into upper rail and lower guideway；Described
The upper surface of upper rail is connected with the lower surface of die bottom plate (301), and upper rail lower surface is provided with t connected in star；Lead under described
The lower surface of rail is connected with base (305) upper surface, and it is raised that lower guideway upper surface is provided with t shape；Described t connected in star and t shape are convex
Rise and match, die bottom plate (301) is connected with base (305)；Described one end of the first oil cylinder (302) and die bottom plate
(301) connect, the other end is connected with base (305), and the first oil cylinder (302) is parallel with line slideway auxiliary (303)；Described positioning
Hydraulic control system includes pumping plant (31), proportioning valve (32), amplifier (33), controller (34) and velocity sensor (35)；Described
First oil cylinder (302) includes piston rod, oil-in and oil-out；Described piston rod one end is located at the first oil cylinder (302) inside,
The other end is stretched 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) be provided with the first hydraulic fluid port,
Second hydraulic fluid port and calutron；The first described hydraulic fluid port is connected with the oil-in of the first oil cylinder (302)；Described the second hydraulic fluid port with
The oil-out of the first oil cylinder (302) connects；Described calutron is connected with amplifier (33)；Described controller (34) one end
It is connected with amplifier (33), the other end is connected with velocity sensor (35)；Described base (305) upper surface is provided with groove；Institute
The length direction of the groove stated is vertical with the length direction of the first oil cylinder (302)；Described fast fixture is two, symmetrically
Be arranged on both sides in base (305) groove, fast fixture includes slide mass, the second oil cylinder (304) and mould folder
(306)；Described the second oil cylinder (304) one end is fixed on base (305), and the other end is connected with slide mass；Described mould
Base plate (301) is provided with the oblong openings perpendicular to the first oil cylinder (302)；Described mould folder (306) is opened through rectangle
It is connected with slide mass after mouthful.
3. a kind of frame type hydraulic press according to claim 2 using method it is characterised in that: described velocity pick-up
Device (35) includes sensor contact；Described sensor contact is rolling contact；Described proportioning valve (32) changes for 3-position 4-way ratio
To valve.
4. a kind of frame type hydraulic press according to claim 2 using method it is characterised in that: described hydraulic system
(2) hydraulic pump and motor are included；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 |
|---|---|---|---|
| CN201510816043.1A CN105313359B (en) | 2014-12-23 | 2014-12-23 | Using method of frame type hydraulic press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815120.7A CN104527112B (en) | 2014-12-23 | 2014-12-23 | A kind of frame type hydraulic press |
| CN201510816043.1A CN105313359B (en) | 2014-12-23 | 2014-12-23 | Using method of frame type hydraulic press |
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| Application Number | Title | Priority Date | Filing Date |
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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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| Publication Number | Publication Date |
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| CN105313359A CN105313359A (en) | 2016-02-10 |
| CN105313359B true CN105313359B (en) | 2017-02-01 |
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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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| 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 |
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| CN2444757Y (en) * | 2000-10-25 | 2001-08-29 | 天津市锻压机床总厂 | Precision mould adjusting hydraulic press |
| JP3606390B2 (en) * | 1994-12-21 | 2005-01-05 | 株式会社小松製作所 | Mold protector for hydraulic press |
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| CN203198284U (en) * | 2013-01-24 | 2013-09-18 | 烟台大学 | Loading and unloading mechanism for dies on press machine |
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| US3738284A (en) * | 1971-04-23 | 1973-06-12 | Komatsu Mfg Co Ltd | Longitudinally and transversally movable truck |
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- 2014-12-23 CN CN201510888983.1A patent/CN105398071B/en active Active
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| JP3606390B2 (en) * | 1994-12-21 | 2005-01-05 | 株式会社小松製作所 | Mold protector for hydraulic press |
| CN2444757Y (en) * | 2000-10-25 | 2001-08-29 | 天津市锻压机床总厂 | Precision mould adjusting hydraulic press |
| WO2011065161A1 (en) * | 2009-11-26 | 2011-06-03 | ダイキン工業株式会社 | Hydraulic device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105383082B (en) | 2017-03-29 |
| CN105398071A (en) | 2016-03-16 |
| CN104527112A (en) | 2015-04-22 |
| CN105398071B (en) | 2017-02-01 |
| CN105313359A (en) | 2016-02-10 |
| CN105383082A (en) | 2016-03-09 |
| CN104527112B (en) | 2016-02-24 |
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