CN107364163B - Multifunctional hydraulic press - Google Patents
Multifunctional hydraulic press Download PDFInfo
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- CN107364163B CN107364163B CN201710789232.3A CN201710789232A CN107364163B CN 107364163 B CN107364163 B CN 107364163B CN 201710789232 A CN201710789232 A CN 201710789232A CN 107364163 B CN107364163 B CN 107364163B
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- sliding block
- nut
- toggle
- ejection
- driving
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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
- B30B1/10—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 toggle mechanism
- B30B1/16—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 toggle mechanism operated by fluid-pressure means
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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
- B30B15/32—Discharging presses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a multifunctional press, which comprises an upper slide block assembly and a lower slide block assembly, wherein the upper slide block assembly is provided with an upper slide block driving assembly in a matched mode, the lower slide block assembly is provided with a lower slide block driving assembly in a matched mode, an upper slide block locking assembly is arranged between the upper slide block driving assembly and the upper slide block assembly, the upper slide block assembly and the lower slide block assembly are driven by a toggle driving device, and the lower end of the lower slide block assembly is provided with a lower ejection assembly. The multifunctional press has the following beneficial effects: 1. the locking device widens the application range of the equipment and realizes one machine for multiple purposes; 2. a servo motor in the press drives the worm driving ring to rotate forwards or reversely, so that the opening or closing of the lock nut is controlled, and the operation is simple and convenient; 3. the toggle driving device effectively increases the driving force of the oil cylinder, and saves the cost; 4. the press provided by the utility model can realize the use of multiple functions, and has the advantages of high running speed and high efficiency.
Description
Technical Field
The utility model relates to the field of mechanical equipment, in particular to a multifunctional hydraulic machine.
Background
At present, the existing hydraulic press can only pressurize with the same pressure in the whole process, when some flanged long shaft parts are processed, the tonnage of equipment needed in the earlier stage of part forming is very small, and the stroke is very long; the tonnage of equipment required in the later molding stage is large, and the stroke is short. If the existing hydraulic press is used for processing, large-tonnage and long-stroke equipment is needed to be selected, so that resource waste is necessarily caused, and the production efficiency is low. 2. The existing large tonnage hydraulic machine is required to be matched with a large oil cylinder, a large oil tank, a large oil pump and a large flow control valve, and has high manufacturing cost and slow running speed of equipment.
The self-locking oil cylinder of the hydraulic machine disclosed in Chinese patent 201310016270.7 comprises an oil cylinder body and a piston rod positioned in the oil cylinder body, and is characterized in that a mounting through hole is formed in the side wall of the oil cylinder body, the mounting through hole is positioned at the limit position of return stroke of the piston rod, a clamping groove is formed in the piston rod, and when the piston rod is positioned at the limit position of return stroke, the clamping groove is parallel to the mounting through hole and positioned on the same plane; the self-locking oil cylinder of the hydraulic machine further comprises: a locking pin which is accommodated in the mounting through hole and extends in the extending direction of the mounting through hole so as to be guided by the mounting through hole; a spring accommodated in the mounting through hole; the stop block is fixed on the outer wall of the oil cylinder body and shields the mounting through hole, so that the mounting through hole is a blind hole, and the spring is positioned between the locking pin and the stop block; a mounting block fixed to an outer wall of the cylinder block; the hydraulic control one-way valve is arranged on the mounting block, and can lock the piston rod at any position of the stroke of the piston rod by driving the clamping rod of the hydraulic control one-way valve to clamp the piston rod through the cylinder wall of the oil cylinder body; when the piston rod returns to the limit position, the deformation force of the spring is larger than the hydraulic pressure in the oil cylinder body, and one end of the locking pin extends out of the mounting through hole and is accommodated in the clamping groove to mechanically lock the piston rod; when high-pressure oil enters the upper cavity of the oil cylinder body, the deformation force of the spring is smaller than the hydraulic pressure in the oil cylinder body, and the locking pin is reset to realize automatic unlocking of the piston rod. The utility model realizes the locking of the piston rod of the oil cylinder body by adopting two modes of machinery and hydraulic pressure, and the locking at the limit position is realized mechanically; the hydraulic control one-way valve can realize the locking of any position in the stroke, and the hydraulic machine self-locking oil cylinder is mainly suitable for medium-small hydraulic machines, optimizes a hydraulic machine system, reduces the cost of the hydraulic machine and improves the reliability of hydraulic locking. The utility model also discloses a hydraulic machine provided with the self-locking oil cylinder of the hydraulic machine.
The hydraulic press is a device for performing press working by utilizing a hydraulic transmission technology, and can be used for completing various forging and pressing forming processes. Chinese patent CN01279583.6, a synchronous turning device of a large hydraulic machine, in this application, a support is mounted on a left side arm of a machine body in the hydraulic machine, a synchronous driving gear box is fixedly mounted on a right side arm of the machine body, an upper middle shaft and a lower middle shaft are connected to the synchronous driving gear box, the upper middle shaft and the lower middle shaft are respectively mounted on an upper worm gear box and a lower worm gear box on the right side arm of the machine body, the upper worm gear box and the lower worm gear box are respectively mounted on the supports through chains, and a light bar is respectively mounted between each support and the upper support of the left side arm of the machine body; the oil tank of the upper beam of the hydraulic press is provided with a transmission case through which a feed beam passes, and the transmission case is connected with an intermediate shaft with a gear through a coupler; a transmission shaft with a gear is arranged on the main cylinder body of the hydraulic machine, and the lower end of the transmission shaft is also provided with the gear; a main cylinder plunger of the hydraulic machine is provided with a rotary upper pressure head and a gear; a movable workbench is arranged on a lower beam of the hydraulic press, a rotary workbench is arranged on the movable workbench, an internal gear is arranged below the rotary workbench, and a rotary gear box with gears is arranged below the movable workbench. The synchronous rotating device is additionally arranged in the large hydraulic machine, so that the hydraulic machine has the characteristics of convenient processing and time and labor saving for adjusting workpieces in the processing
In summary, the improvement of the large-tonnage hydraulic machine is mainly based on the two aspects of the usability and the control precision of the hydraulic machine, but the problem to be solved in the large-tonnage hydraulic machine in the prior art is that the large-tonnage hydraulic machine is provided with a large oil cylinder, an oil tank, an oil pump and a flow control valve in a matching way, so that the large-tonnage hydraulic machine has high manufacturing cost and very slow equipment running speed.
Disclosure of Invention
The utility model aims to provide a multifunctional hydraulic machine, which can realize multifunctional use, and particularly comprises the following three use modes: 1. the sectional pressurizing mode is as follows: in the early stage of processing, a small oil cylinder direct-pressure mode is adopted to process with small tonnage and large stroke, and after the stroke is set, the direct-pressure oil cylinder is locked; the oil cylinder drives the toggle joint to process in the later stage of processing, and the equipment is especially suitable for processing long shaft parts with flanges. 2. A small tonnage rapid pressurizing mode: and the whole processing is finished by only using the small oil cylinder direct pressure. 3. Large tonnage pressurizing mode: the small tonnage direct-pressure oil cylinder is locked, and is processed only by using the mode of driving the toggle joint by the oil cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the multifunctional hydraulic press comprises an upper sliding block assembly and a lower sliding block assembly, wherein the upper sliding block assembly is provided with an upper sliding block driving assembly in a matched mode, the lower sliding block assembly is provided with a lower sliding block driving assembly in a matched mode, an upper sliding block locking assembly is arranged between the upper sliding block driving assembly and the upper sliding block assembly, the upper sliding block assembly and the lower sliding block assembly are driven by a toggle driving device, and a lower ejection assembly is arranged at the lower end of the multifunctional hydraulic press.
Preferably, the upper slide block locking assembly comprises a cylinder body, a piston rod I and an oil cylinder piston locking device, one end of the piston rod I is arranged in the cylinder body, the other end of the piston rod I is a threaded end, the threaded end is provided with the locking device, the oil cylinder piston locking device further comprises a servo motor and a driving worm, and a coupler is arranged between the servo motor and the driving worm;
the toggle driving device comprises an oil cylinder, a toggle device, an upper sliding block, a lower sliding block and a sliding block guide rail, wherein the sliding block guide rail is arranged on the upper sliding block and the lower sliding block, the oil cylinder is connected with the toggle device through a second piston rod, the upper sliding block and the lower sliding block are arranged on two sides of the toggle device, the oil cylinder drives the lower sliding block to move up and down, and the first piston rod drives the upper sliding block to move up and down;
the lower ejection assembly comprises an ejection oil cylinder, the ejection oil cylinder comprises a front ejection oil cylinder and a rear ejection oil cylinder, the front ejection oil cylinder and the two sides of the rear ejection oil cylinder are respectively provided with an ejection lever I and an ejection lever II, an ejection cross rod is arranged between the ejection lever I and the ejection lever II, ejector rods which are arranged in parallel are arranged on the ejection cross rod, two sides of the ejection cross rod are respectively provided with an ejection cross rod seat and an ejection guide column seat which are arranged in parallel, an ejection guide column is arranged on the ejection guide column seat, and one end of the ejection guide column 78 is fixed with the frame. The ejection cross rod seat can only move up and down under the limit of the ejection guide post, the front ejection oil cylinder stretches out, when the rear ejection oil cylinder is not moving, under the action of the lever, large ejection force and short ejection stroke are output, and when the front ejection oil cylinder and the rear ejection oil cylinder stretch out simultaneously, small ejection force and long ejection stroke are output.
Preferably, the locking device comprises a locking nut, a locking nut fixing ring, a nut driving ring and a nut driving ring fixing ring, wherein the locking nut fixing ring is used for fixing the locking nut on the frame, and the nut driving ring is used for fixing the nut driving ring on the frame.
Preferably, the lock nut comprises a lock nut I, a lock nut II, a lock nut III and a lock nut IV, wherein the lock nut I, the lock nut II, the lock nut III and the lock nut IV are all arranged on the outer ring of the threaded end.
Preferably, a nut pull rod is arranged on the lock nut, threads matched with the threaded ends are arranged in the lock nut, and a first protruding block and a first slope are arranged on the outer ring of the lock nut.
Preferably, the thread is zigzag, so that the bearing capacity of the thread is increased, the transmission efficiency is high, and the tooth root strength is high. The outer ring of the nut driving ring fixing ring is provided with a worm gear profile, and the worm gear profile is matched with the driving worm.
Preferably, a second lug and a second slope are arranged in the nut driving ring, a third lug and a third slope are arranged outside the nut driving ring, the second lug of the nut driving ring can be matched with the first lug of the outer ring of the locking nut, and the locking nut is pushed to be closed when the nut driving ring rotates positively. And the third lug of the nut driving ring pushes a nut pull rod on the locking nut to open the locking nut when the nut driving ring is reversed.
Preferably, the servo motor is provided with a servo motor fixing plate in a matched mode, and the servo motor is fixedly arranged on the frame through the servo motor fixing plate. The driving worm is provided with a driving worm fixing plate in a matching mode, and the driving worm is fixedly arranged on the frame through the driving worm fixing plate.
Preferably, the toggle device comprises a toggle upper shaft, a toggle middle shaft and a toggle lower shaft, wherein an upper connecting rod is arranged between the toggle upper shaft and the toggle middle shaft, a lower connecting rod is arranged between the toggle lower shaft and the toggle middle shaft, a toggle rod is also arranged between the toggle upper shaft and the toggle middle shaft, and a toggle rod is also arranged between the toggle lower shaft and the toggle middle shaft.
Preferably, the slider guide rail comprises an upper slider guide rail and a lower slider guide rail, the upper slider guide rail is provided with a guide rail abrasion-resistant block, the upper slider is provided with a guide rail plate in a matching manner, the lower slider guide rail is provided with a guide rail abrasion-resistant block, the lower slider is provided with a guide rail plate in a matching manner, the guide rail plate is a guide rail copper plate, and the slider guide rail is provided with a protrusion. The guide rail wear-resisting block is made of high-hardness materials, plays a role in wear resistance, and can prevent the guide rail from being worn rapidly to fail.
Compared with the prior art, the multifunctional hydraulic machine has the following beneficial effects:
1) The locking nuts in the hydraulic press are composed of four blocks and are uniformly arranged around the threaded end of the piston rod, so that the opening and closing strokes of the locking nuts are effectively reduced; the locking device can control the opening and closing of the oil cylinder piston according to the requirement of the bearing capacity of the equipment, so that the application range of the equipment is widened, and one machine is multipurpose
2) A servo motor in the hydraulic machine drives a worm driving ring to rotate forwards or reversely, so that the locking nut is controlled to be opened or closed, and the operation is simple and convenient.
3) The toggle driving device effectively increases the driving force of the oil cylinder and saves the cost.
4) The hydraulic press can realize the use of multiple functions, and has high running speed and high efficiency.
Drawings
FIG. 1 is a schematic diagram of a multifunctional hydraulic machine according to the present utility model;
FIG. 2 is a cross-sectional view of the upper slider lock assembly of the present utility model secured to a frame;
FIG. 3 is a schematic view showing the structure of the upper slider locking assembly of the present utility model fixed on a frame
FIG. 4 is a schematic structural view of the locking device of the present utility model
FIG. 5 is a schematic view of the construction of the lock nut of the present utility model;
FIG. 6 is a schematic view of a first lock nut of the present utility model;
FIG. 7 is a schematic view in partial cross-section of a wrist drive of the present utility model;
FIG. 8 is a schematic view of the configuration of the wrist drive of the present utility model;
FIG. 9 is a schematic view of the configuration of the wrist drive of the present utility model without the slider rails;
FIG. 10 is a schematic view of a slider rail of the present utility model;
fig. 11 is a schematic structural view of the lower ejector assembly of the present utility model.
Reference numerals illustrate: the hydraulic press comprises a 1-multifunctional hydraulic press, a 2-upper slide block assembly, a 3-lower slide block assembly, a 4-upper slide block driving assembly, a 5-lower slide block driving assembly, a 6-upper slide block locking assembly, a 61-cylinder, a 62-piston rod I, a 621-threaded end, a 63-frame, a 64-servo motor, a 641-servo motor fixing plate, a 65-driving worm, a 651-driving worm fixing plate, a 66-coupling, a 67-locking device, a 671-locking nut, a 6711-locking nut I, a 6712-locking nut II, a 6713-locking nut III, a 6714-locking nut IV, a 6715-locking nut fixing ring, a 672-nut driving ring, a 6721-nut driving ring fixing ring, a 7-lower ejection assembly, an 8-lower slide block assembly, a 9-toggle driving device, a 92-cylinder, a 93-toggle device, a 931-toggle upper shaft, a 931-lower link, a 931-toggle link, a 9313-toggle, a 933-lower shaft, a 94-upper slide block, a 941-upper slide block rail, a 95-lower slide block, a 672-lower slide block, a guide rail, a 971-and a wear-and a slide block.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
As shown in fig. 1, a multifunctional hydraulic press 1 comprises an upper slide block assembly 2 and a lower slide block assembly 3, wherein the upper slide block assembly 2 is provided with an upper slide block driving assembly 4 in a matched manner, the lower slide block assembly 3 is provided with a lower slide block driving assembly 5 in a matched manner, an upper slide block locking assembly 6 is arranged between the upper slide block driving assembly 4 and the upper slide block assembly 2, the upper slide block assembly 2 and the lower slide block assembly 3 are driven by a toggle driving device 9, and the lower end of the multifunctional hydraulic press is provided with a lower ejection assembly 7.
As shown in fig. 2 and 3, the locking device 67 includes a cylinder 61, a piston rod 62, and a cylinder piston locking device, one end of the piston rod 62 is disposed inside the cylinder 61, the other end of the piston rod 62 is a threaded end 621, the threaded end is provided with the locking device 67, the cylinder piston locking device further includes a servo motor 64 and a driving worm 65, and a coupling 66 is disposed between the servo motor 64 and the driving worm 65.
The locking device 67 includes a locking nut 671, a locking nut securing ring 6715, a nut driving ring 672, and a nut driving ring securing ring 6721, wherein the locking nut securing ring 6715 secures the locking nut 671 to the frame 63, and the nut driving ring 6721 secures the nut driving ring to the frame 63.
The lock nut 671 shown in fig. 4 to 6 includes a lock nut one 6711, a lock nut two 6712, a lock nut three 6713 and a lock nut four 6714, the lock nut one 6711, the lock nut two 6712, the lock nut three 6713 and the lock nut four 6714 being provided on the outer ring of the threaded end. The nut pull rod 673 is arranged on the lock nut 671, threads matched with the thread end 621 are arranged in the lock nut 671, the first protruding block and the first slope are further arranged on the outer ring of the lock nut 671, the threads 674 arranged in the lock nut 671 are zigzag, so that the bearing capacity of the threads is increased, the transmission efficiency is high, and the tooth root strength is high.
The lock nut 6715 is fixed on the frame 63 by the lock nut 6715, and a gap of 0.1mm is left, and a cross-shaped groove is arranged in the lock nut 6715, and the lock nut 671 can slide in the cross-shaped groove. The nut driving ring 672 is fixed to the lock nut fixing ring 6715 by the nut driving ring fixing ring 721 with a gap left, and the nut driving ring 672 can freely rotate 。
The outer ring of the nut driving ring fixing ring 6721 is provided with a worm gear profile, and the worm gear profile is matched with the driving worm 65. The second bump and the second slope are disposed in the nut driving ring 672, the third bump and the third slope are disposed outside the nut driving ring 672, the second bump of the nut driving ring 672 can be matched with the first bump of the outer ring of the lock nut 671, and the lock nut 671 is pushed to be closed when the nut driving ring 672 rotates forward. The third projection of the nut driving ring 672 pushes the nut pulling rod 673 on the lock nut 671 to open the lock nut 671 when the nut driving ring 672 is reversed.
The servo motor 64 is provided with a servo motor fixing plate 641 in a matching manner, and is used for being matched with the rack 63, and the driving worm 65 is provided with a driving worm fixing plate 651, and is also used for being fixed with the rack 63.
As shown in fig. 1 to 6, in the operation process of the cylinder piston locking device of the present utility model, the servo motor 64 drives the nut driving ring 672 to rotate forward or backward through the driving worm 65, so as to control the opening or closing of the locking nut 671, specifically: the nut driving ring 672 pushes the lock nut 671 to be closed when rotating forward, and the nut driving ring 672 can push the nut pull rod 673 on the lock nut 671 to open the lock nut 671 when rotating reversely.
The beneficial effects are as follows: 1. the lock nut 671 is composed of four blocks and is uniformly arranged around the threaded end 621 of the piston rod 61, so that the opening and closing strokes of the lock nut are effectively reduced; 2. the locking device can control the opening and closing of the oil cylinder piston according to the requirement of the bearing capacity of the equipment, so that the application range of the equipment is widened, and one machine is multipurpose; 3. the servo motor drives the worm driving ring to rotate forwards or reversely, so that the locking nut is controlled to be opened or closed, and the operation is simple and convenient.
As shown in fig. 7 to 10, a toggle driving device 9 comprises an oil cylinder 92, a toggle device 93, an upper slide block 94 and a lower slide block 95, wherein the driving device 9 and the toggle device 93 are connected through a second piston rod 96, the upper slide block 94 and the lower slide block 95 are arranged on two sides of the toggle device 93, the oil cylinder 92 drives the lower slide block 95 to move up and down, and the first piston rod 62 drives the upper slide block (94) to move up and down. The toggle device 93 includes a toggle upper shaft 931, a toggle center shaft 932, and a toggle lower shaft 933, an upper link 931 being provided between the toggle upper shaft 931 and the toggle center shaft 932, and a lower link 9312 being provided between the toggle lower shaft 933 and the toggle center shaft 932. A toggle lever 931 is further provided between the toggle upper shaft 931 and the toggle center shaft 932.
The upper slider 94 is provided with an upper slider guide rail 941, the upper slider guide rail 941 is provided with a guide rail wear-resisting block 97, and the upper slider 94 is provided with a guide rail plate 971 in a matching manner. As shown in fig. 3 and 4, the slider 98 is provided with a protrusion 981, and the protrusion 981 can slide up and down along the groove direction of the upper slider rail plate 42. The lower slider 95 is provided with a lower slider guide rail 951, the lower slider guide rail 951 is provided with a guide rail abrasion-resistant block 97, the lower slider 95 is provided with a guide rail plate 971 in a matching way, and the lower slider 95 can only move linearly up and down.
The toggle driving device 9 can effectively increase the driving force of the oil cylinder and save the cost.
As shown in fig. 11, the lower ejector assembly 7 includes an ejector cylinder, the ejector cylinder includes a front ejector cylinder 71 and a rear ejector cylinder 72, two sides of the front ejector cylinder 71 and the rear ejector cylinder 72 are respectively provided with an ejector lever one 73 and an ejector lever two 74, an ejector cross rod 75 is provided between the ejector lever one 73 and the ejector lever two 74, ejector rods 79 arranged in parallel are provided on the ejector cross rod 75, two sides of the ejector cross rod 75 are respectively provided with an ejector cross rod seat 76 and an ejector guide column seat 77 arranged in parallel, an ejector guide column 78 is provided on the ejector guide column seat 77, and one end of the ejector guide column 78 is fixed with the frame.
The concrete working mode is as follows: the ejector rail seat 76 can only move up and down under the limitation of the ejector guide post 78, when the front ejector cylinder 71 is extended and the rear ejector cylinder 72 is not moved, under the action of the lever, a large ejector force and a short ejector stroke are output, and when the front ejector cylinder 71 and the rear ejector cylinder 72 are extended simultaneously, a small ejector force and a long ejector stroke are output.
When in use, the multifunctional hydraulic machine can realize the purposes of three modes: 1. the sectional pressurizing mode is as follows: in the early stage of processing, a small oil cylinder direct-pressure mode is adopted to process with small tonnage and large stroke, and after the stroke is set, the direct-pressure oil cylinder is locked; the oil cylinder is adopted to drive the toggle joint in the later processing stage for large-tonnage processing, and the equipment is particularly suitable for processing the long shaft piece with the flange; 2. a small tonnage rapid pressurizing mode: the whole processing is completed by only using the direct pressure of a small oil cylinder; 3. large tonnage pressurizing mode: the small tonnage direct-pressure oil cylinder is locked, and only the oil cylinder is used for driving the toggle joint to process.
The first and the sectional pressurizing modes are carried out according to the following steps
1) The first piston rod 62 extends to drive the upper slide block 94 to move downwards, the upper slide block 94 drives the lower slide block 95 to move downwards through the lower slide block driving assembly 5, and after the first piston rod 62 reaches the set position, the piston rod 62 stops.
2) The servo motor drives the driving worm, the driving nut driving ring rotates positively, and the nut driving ring pushes the locking nut to close, so that the piston rod 62 is locked.
3) The second piston rod 96 extends to push the toggle center shaft 932, and the lower slider 95 is pushed to move downward under the action of the toggle lever 9313. After reaching the set position, piston rod two 96 is stopped.
4) The piston rod II 96 is retracted, pulls the toggle center shaft 932, and pulls the lower slider 95 to move upwards under the action of the upper link 9311 and the lower link 9312. After reaching the set position, the piston rod 62 is stopped.
5) The servo motor 64 drives the drive worm 65, driving the nut drive ring 672 in reverse, and the nut drive ring 672 pushes the lock nut 671 open.
6) The first piston rod 62 is retracted to drive the upper slide block 94 to move upwards, the upper slide block 94 drives the lower slide block 95 to move upwards through the lower slide block driving assembly 5, and the first piston rod 62 stops after reaching the set position.
7) The front ejector cylinder 71 extends out, and under the action of the lever, pushes the ejector rail 75 to move upwards, and the ejector rail 75 pushes the ejector rod 79 to move upwards. After the setting position is reached, the rear ejection cylinder 72 extends out to push the cross rod to move upwards rapidly, and after the setting position is reached, the front ejection cylinder 71 and the rear ejection cylinder 72 stop and keep for a set time, and the front ejection cylinder 71 and the rear ejection cylinder 72 retract simultaneously to drive the ejection cross rod 75 to move downwards rapidly. The ejector pins 79 move downward under the force of gravity.
The second, small tonnage rapid pressurizing mode is carried out according to the following steps
1) The first piston rod 62 extends to drive the upper slide block 94 to move downwards, the upper slide block 94 drives the lower slide block 95 to move downwards through the lower slide block driving assembly 5, and after the first piston rod 62 reaches the set position, the piston rod 62 stops.
2) The first piston rod 62 is retracted to drive the upper slide block 94 to move upwards, the upper slide block 94 drives the lower slide block 95 to move upwards through the lower slide block driving assembly 5, and after the piston rod 62 reaches the set position, the piston rod is stopped.
3) The front ejection cylinder 71 extends out, under the action of the first ejection lever 73 and the second ejection lever 74, the ejection cross rod 75 is pushed to move upwards, after the ejection cross rod is in a set position, the rear ejection cylinder 72 extends out, the ejection cross rod 75 is pushed to move upwards rapidly, after the ejection cross rod is in the set position, the two ejection cylinders, namely the front ejection cylinder 71 and the rear ejection cylinder 72, stop and keep for a set time, and after the set time is reached, the front ejection cylinder 71 and the rear ejection cylinder 72 retract simultaneously, so that the ejection cross rod 75 is driven to move downwards rapidly. The ejector pins 79 move downward under the force of gravity.
The third and large tonnage pressurizing modes are carried out according to the following steps
1) The first piston rod 62 extends to drive the upper slide block 94 to move downwards, the upper slide block 94 drives the lower slide block 95 to move downwards through the lower slide block driving assembly 5, and the first piston rod 62 stops after reaching the set position.
2) The servo motor 64 drives the drive worm 65, the drive nut drive ring 672 rotates forward, the nut drive ring 672 pushes the lock nut 671 to close, the piston rod 62 is locked, and the locked state is always maintained during the processing.
3) The second piston rod 96 extends to push the toggle center shaft 932, and the lower slider 95 is pushed to move downward under the action of the toggle lever 9313. After reaching the set position, piston rod two 96 is stopped.
4) The piston rod II 96 is retracted, pulls the toggle center shaft 932, and pulls the lower slider 95 to move upwards under the action of the upper link 9311 and the lower link 9312. After reaching the set position, piston rod two 96 is stopped.
5) The front ejector cylinder 71 extends out, and under the action of the lever, pushes the ejector rail 75 to move upwards, and the ejector rail 75 pushes the ejector rod 79 to move upwards. After the setting position is reached, the rear ejection cylinder 72 extends out to push the ejection cross rod 75 to move upwards rapidly, and after the setting position is reached, the front ejection cylinder 71 and the rear ejection cylinder 72 stop and keep for a set time, and the front ejection cylinder 71 and the rear ejection cylinder 72 retract simultaneously to drive the ejection cross rod 75 to move downwards rapidly. The ejector pins 79 move downward under the force of gravity.
The above description of the embodiments is only for aiding in the understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (7)
1. A multifunctional hydraulic press, characterized in that: the multifunctional hydraulic press comprises an upper sliding block assembly and a lower sliding block assembly, wherein the upper sliding block assembly is provided with an upper sliding block driving assembly in a matched mode, the lower sliding block assembly is provided with a lower sliding block driving assembly in a matched mode, an upper sliding block locking assembly is arranged between the upper sliding block driving assembly and the upper sliding block assembly, the upper sliding block assembly and the lower sliding block assembly are driven by a toggle driving device, and the lower end of the multifunctional hydraulic press is provided with a lower ejection assembly;
the upper sliding block locking assembly comprises a cylinder body, a first piston rod and an oil cylinder piston locking device, one end of the first piston rod is arranged in the cylinder body, the other end of the first piston rod is a threaded end, the threaded end is provided with the locking device, the oil cylinder piston locking device further comprises a servo motor and a driving worm, and a coupler is arranged between the servo motor and the driving worm;
the toggle driving device comprises an oil cylinder, a toggle device, an upper sliding block, a lower sliding block and a sliding block guide rail, wherein the sliding block guide rail is arranged on the upper sliding block and the lower sliding block, the oil cylinder is connected with the toggle device through a second piston rod, the upper sliding block and the lower sliding block are arranged on two sides of the toggle device, the oil cylinder drives the lower sliding block to move up and down, and the first piston rod drives the upper sliding block to move up and down;
the lower ejection assembly comprises an ejection oil cylinder, the ejection oil cylinder comprises a front ejection oil cylinder and a rear ejection oil cylinder, the two sides of the front ejection oil cylinder and the rear ejection oil cylinder are respectively provided with an ejection lever I and an ejection lever II, an ejection cross rod is arranged between the ejection lever I and the ejection lever II, ejection rods which are arranged in parallel are arranged on the ejection cross rod, two sides of the ejection cross rod are respectively provided with an ejection cross rod seat and an ejection guide column seat which are arranged in parallel, an ejection guide column is arranged on the ejection guide column seat, and one end of the ejection guide column is fixed with the frame;
the locking device comprises a locking nut, a locking nut fixing ring, a nut driving ring and a nut driving ring fixing ring, wherein the locking nut fixing ring is used for fixing the locking nut on the rack, and the nut driving ring is used for fixing the nut driving ring on the rack;
the locking nut comprises a first locking nut, a second locking nut, a third locking nut and a fourth locking nut, wherein the first locking nut, the second locking nut, the third locking nut and the fourth locking nut are all arranged on the outer ring of the threaded end.
2. The hydraulic machine of claim 1, wherein: the nut pull rod is arranged on the lock nut, threads matched with the threaded ends are arranged in the lock nut, and the outer ring of the lock nut is provided with a first protruding block and a first slope.
3. The hydraulic machine of claim 1, wherein: the screw thread is zigzag, the outer lane of nut driving circle retainer plate is provided with the worm wheel profile of tooth, and the worm wheel profile of tooth with the drive worm cooperation.
4. The hydraulic machine of claim 1, wherein: the nut driving ring is internally provided with a second lug and a third slope, the third lug and the third slope are arranged outside the nut driving ring, the second lug of the nut driving ring can be matched with the first lug of the outer ring of the locking nut, when the nut driving ring rotates forwards, the locking nut is pushed to be closed, and the third lug of the nut driving ring pushes a nut pull rod on the locking nut to open the locking nut when the nut driving ring rotates reversely.
5. The hydraulic machine of claim 1, wherein: the servo motor is provided with a servo motor fixing plate in a matching mode, the servo motor is fixedly arranged on the frame through the servo motor fixing plate, the driving worm is provided with a driving worm fixing plate in a matching mode, and the driving worm is fixedly arranged on the frame through the driving worm fixing plate.
6. The hydraulic machine of claim 1, wherein: the toggle device comprises a toggle upper shaft, a toggle middle shaft and a toggle lower shaft, wherein an upper connecting rod is arranged between the toggle upper shaft and the toggle middle shaft, a lower connecting rod is arranged between the toggle lower shaft and the toggle middle shaft, a toggle rod is also arranged between the toggle upper shaft and the toggle middle shaft, and a toggle rod is also arranged between the toggle lower shaft and the toggle middle shaft.
7. The hydraulic machine of claim 1, wherein: the sliding block guide rail comprises an upper sliding block guide rail and a lower sliding block guide rail, the upper sliding block guide rail is provided with a guide rail abrasion-resistant block, the upper sliding block guide rail is provided with a guide rail plate in a matched mode, the lower sliding block guide rail is provided with a guide rail plate in a matched mode, the guide rail plate is a guide rail copper plate, and the sliding block guide rail is provided with a protrusion.
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| CN201710789232.3A CN107364163B (en) | 2017-09-05 | 2017-09-05 | Multifunctional hydraulic press |
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| CN201710789232.3A CN107364163B (en) | 2017-09-05 | 2017-09-05 | Multifunctional hydraulic press |
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| CN107364163B true CN107364163B (en) | 2023-06-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108015141A (en) * | 2017-12-12 | 2018-05-11 | 嘉兴大道锻造技术咨询有限公司 | One kind supercharging toggle punching machine |
| CN109648904A (en) * | 2018-12-05 | 2019-04-19 | 佛山科学技术学院 | A kind of hydraulic press |
| CN109435321B (en) * | 2018-12-27 | 2024-03-29 | 合肥合锻智能制造股份有限公司 | Hydraulic press slide block locking device |
| CN109605818B (en) * | 2019-01-07 | 2024-03-26 | 浙江东雄机床有限公司 | Synchronous male die pushing mechanism |
| CN115815501B (en) * | 2023-02-20 | 2023-04-28 | 江苏龙城精锻集团有限公司 | Forging equipment and process for aluminum alloy shell of hydrogen fuel cell |
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Effective date of registration: 20230801 Address after: 522061 Meiyun Street Meipan Industrial Zone, Rongcheng District, Jieyang City, Guangdong Province Patentee after: Jieyang Hongzhan Industrial Co.,Ltd. Address before: 314000 Room 371, 3rd Floor, No. 1663 Honggao Road, Gaozhao Street, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: JIAXING DADAO FORGING TECHNOLOGY CONSULTING Co.,Ltd. |