CN109482802A - A kind of drop press mold changing pivoted arm and hydraulic control system - Google Patents
A kind of drop press mold changing pivoted arm and hydraulic control system Download PDFInfo
- Publication number
- CN109482802A CN109482802A CN201811633727.8A CN201811633727A CN109482802A CN 109482802 A CN109482802 A CN 109482802A CN 201811633727 A CN201811633727 A CN 201811633727A CN 109482802 A CN109482802 A CN 109482802A
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- Prior art keywords
- pivoted arm
- attachment base
- mold
- drop press
- control system
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- 210000000078 claw Anatomy 0.000 claims abstract description 28
- 239000002023 wood Substances 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 2
- 238000004080 punching Methods 0.000 abstract description 19
- 230000001276 controlling effect Effects 0.000 description 8
- 238000005242 forging Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Forging (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a kind of drop press mold changing pivoted arm and hydraulic control systems, belong to drop press mold changing field.A kind of drop press mold changing pivoted arm, including upper bracket and lower bracket further include mold changing pawl；A kind of drop press mold changing pivoted arm and hydraulic control system, applied to the lift cylinder in a kind of drop press mold changing pivoted arm, a kind of direction for the slide block movement that drop press changes the mold in pivoted arm is controlled by external signal, rate and position, sliding block moves up and down, main pivoted arm and secondary pivoted arm is driven to move up and down, to drive mold changing pawl mobile, movable claw and fixed jaw on mold changing pawl can be used to fix punching die, installment work applied to punching die, in order to avoid punching die is slided, clamping bar is installed between movable claw and fixed jaw for further fixing punching die, through the above arrangement, replace traditional manual operation, and then it is long to solve the replacement cycle present in artificial replacement operation, the problems such as labor intensity is big.
Description
Technical field
The present invention relates to drop press mold changing field more particularly to a kind of drop press mold changing pivoted arm and hydraulic control systems
System.
Background technique
In heavy mechanical equipment and important equipment, such as steel rolling, power station, petroleum, chemical industry, shipbuilding, Aeronautics and Astronautics, heavy type
Weapon etc., all will be using large free forging part and large-scale forging part, these heavy forgings using large free forging hydraulic machine and
Large-scale stamp forging hydraulic press forges.Therefore, heavy forging production is all placed on very important status in industrially-advanced country, from one
Kind, quantity and the grade of the possessed large free forging hydraulic machine of country and large-scale stamp forging hydraulic press, so that it may measure its industry water
Gentle military capability of the country.Drop press is since workpiece temperature height is generally 900~1100 DEG C, and mold upper punch is in process of production
Need to go deep into heated work pieces causing its temperature to rise quickly, caused by loss it is bigger, need to be replaced frequently.People is mainly used at present
The problems such as work replacement, artificial replacement is long there are the replacement cycle, labor intensity is big, bad environments.
Summary of the invention
The problems such as there are the replacement cycle is long, labor intensity is big is replaced present invention aim to address artificial, and is proposed
A kind of drop press mold changing pivoted arm and hydraulic control system.
To achieve the goals above, present invention employs following technical solutions:
A kind of drop press mold changing pivoted arm, including upper bracket and lower bracket further include mold changing pawl；The bottom surface of the upper bracket
It is fixedly connected with guide post, the bottom end of the guide post is fixedly connected with the upper surface of lower bracket, is slidably installed on the guide post
There is sliding block, the bottom of the lower bracket is fixedly installed with output end and the fixed company of slider bottom of lift cylinder and lift cylinder
It connects, main pin is movably installed on the outside of the sliding block, the main pin is connected with main pivoted arm, the main pivoted arm
Outer end be fixedly installed with secondary pin shaft, the secondary pin shaft is connected with secondary pivoted arm, another Dan Yuhuan of the secondary pivoted arm
It is fixedly connected on the left of mould pawl.
Preferably, the mold changing pawl includes movable claw, attachment base and fixed jaw, the fixed peace in the upper end of the attachment base
Equipped with hinged gear, the movable claw is fixedly connected with hinged gear, and the fixed jaw is fixedly mounted on attachment base front end
Right side, the upper end of the movable claw are provided with card slot, and the upper end of the fixed jaw is connected with fixture block, the fixture block and solid
Determine to be fixedly installed with hydraulic stem between the end face of pawl upper end, the fixture block matches with card slot, the left side table of the attachment base
Face is provided with wood side-guide, and sliding shoe is slidably fitted on the wood side-guide, and the outer surface of the sliding shoe is connected with
Motion bar, the bottom side of the movable claw are fixedly installed with hinge column, and the other end of the motion bar and hinge column activity connect
It connects, the setting for changing the mold pawl can fix punching die.
It preferably, further include threaded post, the inside left of the attachment base is successively fixedly installed with cunning from top to bottom
Rail and glidepath, the upper and lower ends of the threaded post are slidably connected with upper sliding rail and glidepath respectively, the attachment base
Inside is fixedly installed with motor, and bevel gear, the left side of the bevel gear are fixedly installed on the output shaft of the motor
It is connected with gear set along engagement, the threaded post engages connection with gear set and sliding shoe respectively and threaded post is located at upper sliding rail
With the left end of glidepath, clamping groove is provided in the attachment base, the internal slide of the clamping groove is equipped with clamping bar
And the upper end for being clamped bar is provided with engaging groove on the left of the bottom end of the clamping bar between movable claw and fixed jaw, it is described
Threaded post connection is engaged with engaging groove and threaded post is located at the right end of upper sliding rail and glidepath, the setting for being clamped bar can be into one
Walk fixed punching die.
Preferably, the inside of the attachment base is fixedly installed with electromagnetic plate, and the electromagnetic plate is located at glidepath
The left and right sides, the bottom end of the threaded post is fixedly installed with connection sheet, and the electromagnetic plate is connect with connection sheet electromagnetism, electricity
The setting of magnetic sheet can be such that threaded post slides along upper sliding rail and glidepath.
Preferably, the bottom surface of the attachment base is provided with connecting hole, and the connecting hole is threaded with bolt, institute
The attachment base stated is fixedly connected by bolt with secondary pivoted arm, is evenly arranged with ventilation slot in the upper and lower surface of the attachment base,
The attachment base upper inside is provided with beamline apertures, and mold changing pawl works in an environment of high temperature, in order to avoid temperature pair
Route impacts, therefore beamline apertures are arranged and avoid its exposed outside to place electric connection line.
A kind of drop press mold changing pivoted arm hydraulic control system, is applied to a kind of drop press and changes the mold pivoted arm, including pivoted arm
Control system and hydraulic control system；
Pivoted arm control system, the pivoted arm control system include main pin control unit and secondary pin shaft control unit, described
Main pin control unit is electrically connected with main pin, and the secondary pin shaft control unit is electrically connected with secondary pin shaft；
Hydraulic control system, including oil pressure limit unit, position control unit, speed control unit, direction controlling unit and oil
Control unit is pressed, the internal oil passages of the lift cylinder are from top to bottom successively fixedly installed with safety valve, bidirectional hydraulic lock, list
To speed governing valve, solenoid directional control valve and pressure reducing valve, the oil pressure limits unit and is electrically connected safety valve, the position control unit
It is electrically connected bidirectional hydraulic lock, the speed control unit is electrically connected one-way speed-regulating valve, and the direction controlling unit is electrically connected,
The oil pressure cntrol unit is electrically connected pressure reducing valve.
Preferably, the hydraulic control system further includes pressure sensing cell, the internal oil passages of the lift cylinder
On be provided with pressure tap, the pressure sensing cell is electrically connected pressure tap.
Compared with prior art, the present invention provides a kind of drop press mold changing pivoted arm and hydraulic control system, have with
It is lower the utility model has the advantages that
(1) drop press changes the mold pivoted arm, and upper bracket, lower bracket are fixed on the suitable position of hydraulic press frame column, guide post two
Part through hole is fixed on upper bracket, lower bracket.Sliding block and main pin, main pivoted arm, secondary pin shaft, secondary pivoted arm, mold changing pawl form one
It is whole, it can move up and down along guide post two pieces.Lift cylinder is for driving sliding block to move up and down along guide post two pieces.Main pivoted arm, secondary turn
Arm can be under artificial driving along main pin, secondary pin shaft rotation, so that mold changing pawl is moved into press center or is moved by press center
Out.It changes the mold pawl and secondary pivoted arm front end is fixed on by screw, be used for fixation and need replacing punching die, pass through main pivoted arm, secondary turn
The mobile drive mold changing pawl of arm moves into press center or to be removed by press center, thus drive punching die move into press center or
It is removed by press center, and then realizes the replacement of punching die, wherein mold changing pawl includes movable claw, attachment base and fixed jaw,
When mold changing pawl needs to be clamped punching die, movable claw opens, and control mold changing pivoted arm is by fixed jaw close to punching die
Position, the sliding block on wood side-guide move up, and drive movable claw and fixed jaw to be clamped by the connection of motion bar, later fixed jaw
On hydraulic stem work so that the fixture block of fixed jaw upper end engages connection with the card slot of movable claw upper end, reach fixed upper punch
The purpose of head；
(2 press change the mold pivoted arm, change the mold pawl by setting, and when needing movable claw mobile, the electromagnetic plate in left side connects electricity
Stream, electromagnetic plate attract the connection sheet of threaded post bottom end, to make threaded post be moved to left side along upper sliding rail and glidepath, at this time
Threaded post engages connection with sliding shoe and gear set respectively, the bevel gear band moving gear after motor work, on the output shaft of motor
Group rotation drives sliding shoe to move up and down along wood side-guide so that threaded post be driven to rotate when threaded post rotates, same to need
Clamping bar extends outward along clamping groove, when for further fixing punching die, the electromagnetic plate turn-on current on right side,
Threaded post is set to be located at the right end of upper sliding rail and glidepath, bevel gear drives threaded post rotation, and threaded post drives clamping bar outward
It is mobile；
(3 drop presses change the mold pivoted arm hydraulic control system, pass through setting pivoted arm control system and hydraulic control system, pivoted arm
Main pin control unit in control system can control main pin to adjust the direction of main pivoted arm rotation and angle, secondary pin shaft
Control system can control secondary pin shaft to adjust direction and the angle of secondary pivoted arm rotation, in hydraulic control system, pass through setting
Oil pressure limits unit, position control unit, speed control unit, direction controlling unit and oil pressure cntrol unit, respectively adjusting pair
The control unit answered, wherein pressure reducing valve guarantees that entire hydraulic system is in suitable hydraulic for regulating and controlling to enter the pressure of system
It works under oil pressure.Solenoid directional control valve is used to control the direction of lift cylinder internal piston movement, and then drives entire pivoted arm system
System rises or falls.One-way speed-regulating valve facilitates operator's stable operation for adjusting the speed that lift cylinder rises or falls.
Bidirectional hydraulic lock is not in roll-off for making lift cylinder stop being locked at an arbitrary position.Safety valve for pair
The pressure of oil cylinder upper and lower cavity is defined, and prevents unexpected high pressure from causing to damage to lift cylinder internal structure and pipeline.Pressure tap
It is convenient that hydraulic system fault is diagnosed and handled for detecting lift cylinder or more cavity pressure.
Detailed description of the invention
Fig. 1 is the installation site figure that a kind of drop press proposed by the present invention changes the mold pivoted arm；
Fig. 2 is the structural schematic diagram that a kind of drop press proposed by the present invention changes the mold pivoted arm；
Fig. 3 is the connection schematic diagram that a kind of drop press proposed by the present invention changes the mold pivoted arm sliding block；
Fig. 4 is the schematic diagram that a kind of drop press proposed by the present invention changes the mold pivoted arm hydraulic control system；
Fig. 5 is that a kind of drop press proposed by the present invention changes the mold the structural schematic diagram that pivoted arm changes the mold pawl；
Fig. 6 is the side view that a kind of drop press proposed by the present invention changes the mold pivoted arm attachment base；
Fig. 7 is the cross-sectional view that a kind of drop press proposed by the present invention changes the mold pivoted arm attachment base；
Fig. 8 is the partial enlarged view in Fig. 7 at A；
Fig. 9 is the structural representation that a kind of drop press proposed by the present invention changes the mold pivoted arm threaded post and is clamped when bar is threadedly coupled
Figure；
Figure 10 is structural schematic diagram when a kind of drop press proposed by the present invention changes the mold pivoted arm mold changing pawl opening.
In figure: 1, upper bracket；2, guide post；3, sliding block；4, lower bracket；5, lift cylinder；6, main pin；7, main pivoted arm；8,
Secondary pin shaft；9, secondary pivoted arm；10, pawl is changed the mold；11, pressure tap；12, safety valve；13, bidirectional hydraulic lock；14, one-way speed-regulating valve；15,
Solenoid directional control valve；16, pressure reducing valve；17, movable claw；18, attachment base；19, fixed jaw；20, fixture block；21, card slot；22, hydraulic stem；
23, it is clamped bar；24, wood side-guide；25, sliding shoe；26, motion bar；27, hinge column；28, hinged gear；29, ventilation slot；30, even
Connect hole；31, beamline apertures；32, clamping groove；33, motor；34, bevel gear；35, electromagnetic plate；36, threaded post；37, upper sliding rail；38,
Connection sheet；39, glidepath；40, engaging groove；41, gear set.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Case is embodied:
Embodiment 1: referring to Fig.1-3, a kind of drop press mold changing pivoted arm, including upper bracket 1 and lower bracket 4, it further include mold changing pawl
10；The bottom surface of upper bracket 1 is fixedly connected with guide post 2, and the bottom end of guide post 2 is fixedly connected with the upper surface of lower bracket 4, guide post 2
On be slidably fitted with sliding block 3, the bottom of lower bracket 4 is fixedly installed with the output end and sliding block 3 of lift cylinder 5 and lift cylinder 5
Bottom is fixedly connected, and the outside of sliding block 3 is movably installed with main pin 6, and main pin 6 is connected with main pivoted arm 7, main pivoted arm 7
Outer end is fixedly installed with secondary pin shaft 8, and secondary pin shaft 8 is connected with secondary pivoted arm 9, another list of secondary pivoted arm 9 and a left side for mold changing pawl 10
Side is fixedly connected.
Changing the mold pawl 10 includes movable claw 17, attachment base 18 and fixed jaw 19, and the upper end of attachment base 18 is fixedly installed with hingedly
Gear 28, movable claw 17 are fixedly connected with hinged gear 28, and fixed jaw 19 is fixedly mounted on the right side of 18 front end of attachment base, movable claw
17 upper end is provided with card slot 21, and the upper end of fixed jaw 19 is connected with fixture block 20, between 19 upper end end face of fixture block 20 and fixed jaw
It is fixedly installed with hydraulic stem 22, fixture block 20 matches with card slot 21, and the left-hand face of attachment base 18 is provided with wood side-guide 24, breaks away
Sliding shoe 25 is slidably fitted on rail 24, the outer surface of sliding shoe 25 is connected with motion bar 26, and the bottom side of movable claw 17 is solid
Dingan County is equipped with hinge column 27, and the other end of motion bar 26 is flexibly connected with hinge column 27.
The drop press changes the mold pivoted arm, and upper bracket 1, lower bracket 4 are fixed on the suitable position of hydraulic press frame column, guide post
2 two pieces through holes are fixed on upper bracket 1, lower bracket 4.Sliding block 3 and main pin 6, main pivoted arm 7, secondary pin shaft 8, secondary pivoted arm 9, mold changing
Pawl 10 forms a whole, and can move up and down along 2 two pieces of guide post.Lift cylinder 5 is for driving sliding block 3 above and below 2 two pieces of guide post
Movement.Main pivoted arm 7, secondary pivoted arm 9 can rotate under artificial driving along main pin 6, secondary pin shaft 8, so that mold changing pawl 10 be moved into
Press center is removed by press center.It changes the mold pawl 10 and secondary 9 front end of pivoted arm is fixed on by screw, be used for fixation and need replacing
Punching die changes the mold the immigration press center of pawl 10 by the mobile drive of main pivoted arm 7, secondary pivoted arm 9 or is removed by press center, from
And drive punching die to move into press center or removed by press center, and then realize the replacement of punching die, wherein changing the mold pawl
10 include movable claw 17, attachment base 18 and fixed jaw 19, when mold changing pawl 10 needs to be clamped punching die, movable claw 17
It opens, control mold changing pivoted arm moves up sliding block 3 of the fixed jaw 19 on the position of punching die, wood side-guide 24, passes through
The connection of motion bar 26 drives movable claw 17 and fixed jaw 19 to be clamped, and the hydraulic stem 22 on fixed jaw 19 works later, so that solid
The fixture block 20 for determining 19 upper end of pawl engages connection with the card slot 21 of 17 upper end of movable claw, achievees the purpose that fixed punching die.
Embodiment 2: referring to Fig. 6-10, it further includes threaded post 36 that the 1 different place in basis, which is, in conjunction with the embodiments,
The inside left of attachment base 18 is successively fixedly installed with sliding rail 37 and glidepath 39, the upper and lower ends of threaded post 36 from top to bottom
It is slidably connected respectively with upper sliding rail 37 and glidepath 39, the inside of attachment base 18 is fixedly installed with motor 33, the output of motor 33
Be fixedly installed with bevel gear 34 on axis, the left side edge engagement of bevel gear 34 is connected with gear set 41, threaded post 36 respectively with tooth
Wheel group 41 and the engagement of sliding shoe 25 connection and threaded post 36 are located at the left end of upper sliding rail 37 and glidepath 39, setting in attachment base 18
There is clamping groove 32, the internal slide of clamping groove 32 is equipped with clamping bar 23 and the upper end of clamping bar 23 is located at movable claw 17 and fixes
It between pawl 19, is clamped on the left of the bottom end of bar 23 and is provided with engaging groove 40, threaded post 36 engages connection and threaded post with engaging groove 40
36 are located at the right end of upper sliding rail 37 and glidepath 39.
The inside of attachment base 18 is fixedly installed with electromagnetic plate 35, and electromagnetic plate 35 is located at the left and right sides of glidepath 39,
The bottom end of threaded post 36 is fixedly installed with connection sheet 38, and electromagnetic plate 35 is connect with 38 electromagnetism of connection sheet.
The bottom surface of attachment base 18 is provided with connecting hole 30, and connecting hole 30 is threaded with bolt, and attachment base 18 passes through spiral shell
Bolt is fixedly connected with secondary pivoted arm 9, ventilation slot 29 is evenly arranged in the upper and lower surface of attachment base 18,18 upper inside of attachment base is set
It is equipped with beamline apertures 31.
The drop press changes the mold pivoted arm, changes the mold pawl 10 by setting, when needing movable claw 17 mobile, the electricity in left side
35 turn-on current of magnetic sheet, electromagnetic plate 35 attracts the connection sheet 38 of 36 bottom end of threaded post, to make threaded post 36 along upper sliding rail 37
It is moved to left side with glidepath 39, threaded post 36 engages connection with sliding shoe 25 and gear set 41 respectively at this time, and motor 33 works
Afterwards, the bevel gear 34 on the output shaft of motor 33 drives gear set 41 to rotate, so that threaded post 36 is driven to rotate, 36 turns of threaded post
It drives sliding shoe 25 to move up and down along wood side-guide 24 when dynamic, prolongs outward with that should need to be clamped bar 23 along clamping groove 32
It stretches, when for further fixing punching die, 35 turn-on current of electromagnetic plate on right side makes threaded post 36 be located at upper sliding rail 37
With the right end of glidepath 39, bevel gear 34 drives threaded post 36 to rotate, and threaded post 36 drives clamping bar 23 to move outward.
Embodiment 3: referring to Fig. 4, a kind of drop press mold changing pivoted arm hydraulic control system is changed applied to a kind of drop press
Mould pivoted arm, including pivoted arm control system and hydraulic control system；
Pivoted arm control system, pivoted arm control system include main pin control unit and secondary pin shaft control unit, and main pin control is single
Member is electrically connected with main pin 6, and secondary pin shaft control unit is electrically connected with secondary pin shaft 8；
Hydraulic control system, including oil pressure limit unit, position control unit, speed control unit, direction controlling unit and oil
Control unit is pressed, the internal oil passages of lift cylinder 5 are from top to bottom successively fixedly installed with safety valve 12, bidirectional hydraulic lock 13, list
To speed governing valve 14, solenoid directional control valve 15 and pressure reducing valve 16, oil pressure limits unit and is electrically connected safety valve 12, and position control unit is electrically connected
Bidirectional hydraulic lock 13 is connect, speed control unit is electrically connected one-way speed-regulating valve 14, direction controlling unit electrical connection 15, oil pressure cntrol list
Member electrical connection pressure reducing valve 16.
Hydraulic control system further includes pressure sensing cell, and pressure tap 11 is provided on the internal oil passages of lift cylinder 5, pressure
Power detection unit is electrically connected pressure tap 11.
The drop press changes the mold pivoted arm hydraulic control system, by setting pivoted arm control system and hydraulic control system, turns
Main pin control unit in arm control system can control main pin 6 to adjust the direction and angle that main pivoted arm 7 rotates, pair
Pin shaft control system can control secondary pin shaft 8 to adjust the direction and angle that secondary pivoted arm 9 rotates, and in hydraulic control system, lead to
It crosses setting oil pressure and limits unit, position control unit, speed control unit, direction controlling unit and oil pressure cntrol unit, respectively
Corresponding control unit is adjusted, pressure reducing valve 16 guarantees that entire hydraulic system is in suitable for regulating and controlling to enter the pressure of system
It works under hydraulic fluid pressure.Solenoid directional control valve 15 is used to control the direction of 5 internal piston of lift cylinder movement, and then drives entire
Boom system rises or falls.One-way speed-regulating valve 14 facilitates operator for adjusting the speed that lift cylinder 5 rises or falls
Stable operation.Bidirectional hydraulic lock 13 is not in roll-off for making lift cylinder 5 stop being locked at an arbitrary position.
Safety valve 12 prevents unexpected high pressure to 5 internal structure of lift cylinder and pipeline for being defined to the pressure of oil cylinder upper and lower cavity
It causes to damage.Pressure tap 11 is convenient that hydraulic system fault is diagnosed and located for detecting about 5 cavity pressure of lift cylinder
Reason.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of drop press changes the mold pivoted arm, including upper bracket (1) and lower bracket (4), it is characterised in that: further include mold changing pawl
(10)；The bottom surface of the upper bracket (1) is fixedly connected with guide post (2), the bottom end and lower bracket (4) of the guide post (2)
Upper surface be fixedly connected, be slidably fitted on the guide post (2) sliding block (3), the fixed peace in the bottom of the lower bracket (4)
Output end equipped with lift cylinder (5) and lift cylinder (5) is fixedly connected with sliding block (3) bottom, the outside of the sliding block (3)
It is movably installed with main pin (6), the main pin (6) is connected with main pivoted arm (7), the outer end of the main pivoted arm (7)
Be fixedly installed with secondary pin shaft (8), the secondary pin shaft (8) is connected with secondary pivoted arm (9), the secondary pivoted arm (9) it is another
It is fixedly connected on the left of list and mold changing pawl (10).
2. a kind of drop press according to claim 1 changes the mold pivoted arm, it is characterised in that: the mold changing pawl (10) includes
Movable claw (17), attachment base (18) and fixed jaw (19), the upper end of the attachment base (18) are fixedly installed with hinged gear
(28), the movable claw (17) is fixedly connected with hinged gear (28), and the fixed jaw (19) is fixedly mounted on attachment base
(18) on the right side of front end, the upper end of the movable claw (17) is provided with card slot (21), the upper end connection of the fixed jaw (19)
Have fixture block (20), is fixedly installed with hydraulic stem (22) between the fixture block (20) and fixed jaw (19) upper end end face, it is described
Fixture block (20) matches with card slot (21), and the left-hand face of the attachment base (18) is provided with wood side-guide (24), the side
It being slidably fitted on sliding rail (24) sliding shoe (25), the outer surface of the sliding shoe (25) is connected with motion bar (26),
The bottom side of the movable claw (17) is fixedly installed with hinge column (27), the other end and hinge column of the motion bar (26)
(27) it is flexibly connected.
3. a kind of drop press according to claim 2 changes the mold pivoted arm, it is characterised in that: further include threaded post (36), institute
The inside left for the attachment base (18) stated successively is fixedly installed with sliding rail (37) and glidepath (39), the spiral shell from top to bottom
The upper and lower ends of line column (36) are slidably connected with upper sliding rail (37) and glidepath (39) respectively, the inside of the attachment base (18)
It is fixedly installed with motor (33), bevel gear (34), the bevel gear is fixedly installed on the output shaft of the motor (33)
(34) left side edge engagement be connected with gear set (41), the threaded post (36) respectively with gear set (41) and sliding shoe
(25) engagement connection and threaded post (36) are located at the left end of upper sliding rail (37) and glidepath (39), set in the attachment base (18)
It is equipped with clamping groove (32), the internal slide of the clamping groove (32) is equipped with clamping bar (23) and is clamped the upper end position of bar (23)
Between movable claw (17) and fixed jaw (19), it is provided with engaging groove (40) on the left of the bottom end of the clamping bar (23), it is described
Threaded post (36) connection is engaged with engaging groove (40) and threaded post (36) is located at the right end of upper sliding rail (37) and glidepath (39).
4. a kind of drop press according to claim 2 changes the mold pivoted arm, it is characterised in that: the attachment base (18) it is interior
Portion is fixedly installed with electromagnetic plate (35), and the electromagnetic plate (35) is located at the left and right sides of glidepath (39), the spiral shell
The bottom end of line column (36) is fixedly installed with connection sheet (38), and the electromagnetic plate (35) is connect with connection sheet (38) electromagnetism.
5. a kind of drop press according to claim 2 changes the mold pivoted arm, it is characterised in that: the bottom of the attachment base (18)
Surface is provided with connecting hole (30), and the connecting hole (30) is threaded with bolt, and the attachment base (18) passes through bolt
It is fixedly connected with secondary pivoted arm (9), ventilation slot (29), the company is evenly arranged in the upper and lower surface of the attachment base (18)
Joint chair (18) upper inside is provided with beamline apertures (31).
6. a kind of drop press changes the mold pivoted arm hydraulic control system, it is applied to a kind of drop press and changes the mold pivoted arm, it is characterised in that:
Including pivoted arm control system and hydraulic control system；
Pivoted arm control system, the pivoted arm control system include main pin control unit and secondary pin shaft control unit, described
Main pin control unit is electrically connected with main pin (6), and the secondary pin shaft control unit is electrically connected with secondary pin shaft (8)；
Hydraulic control system, including oil pressure limit unit, position control unit, speed control unit, direction controlling unit and oil
Control unit is pressed, the internal oil passages of the lift cylinder (5) are from top to bottom successively fixedly installed with safety valve (12), two-way liquid
Pressure lock (13), one-way speed-regulating valve (14), solenoid directional control valve (15) and pressure reducing valve (16), the oil pressure limit unit electrical connection peace
Full valve (12), the position control unit are electrically connected bidirectional hydraulic lock (13), and the speed control unit electrical connection is unidirectional
Speed governing valve (14), the direction controlling unit are electrically connected (15), and the oil pressure cntrol unit is electrically connected pressure reducing valve (16).
7. a kind of drop press according to claim 6 changes the mold pivoted arm hydraulic control system, it is characterised in that: the liquid
Pressure control system further includes pressure sensing cell, and pressure tap (11), institute are provided on the internal oil passages of the lift cylinder (5)
Pressure sensing cell electrical connection pressure tap (11) stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633727.8A CN109482802B (en) | 2018-12-29 | 2018-12-29 | Die change rotating arm of die forging press and hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633727.8A CN109482802B (en) | 2018-12-29 | 2018-12-29 | Die change rotating arm of die forging press and hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109482802A true CN109482802A (en) | 2019-03-19 |
| CN109482802B CN109482802B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811633727.8A Active CN109482802B (en) | 2018-12-29 | 2018-12-29 | Die change rotating arm of die forging press and hydraulic control system |
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| Country | Link |
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| CN (1) | CN109482802B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114309426A (en) * | 2021-12-28 | 2022-04-12 | 安徽省安工机械制造有限公司 | Automatic shaping mechanism for wear-resistant lining plate |
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| JP2018149560A (en) * | 2017-03-10 | 2018-09-27 | 本田技研工業株式会社 | Closed forging apparatus |
| CN209867241U (en) * | 2018-12-29 | 2019-12-31 | 合肥合锻智能制造股份有限公司 | Die-forging press die-changing rotating arm and hydraulic control system |
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| CN1775410A (en) * | 2004-11-15 | 2006-05-24 | 天津市天锻压力机有限公司 | Large-sized liquid-state die forging hydraulic press production line |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109482802B (en) | 2024-03-29 |
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