CN114160737A

CN114160737A - Multifunctional hydraulic press

Info

Publication number: CN114160737A
Application number: CN202111489047.5A
Authority: CN
Inventors: 殷文齐; 凌北; 王芳芳; 马洪勇; 陈刚; 宋扬
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-03-11

Abstract

The invention relates to the technical field of forging equipment, in particular to a multifunctional hydraulic machine. Comprises a frame, a working cylinder group, a supporting device and a guiding device; the supporting device comprises a movable cross beam, an upper cross beam and a lower cross beam, the upper cross beam and the lower cross beam are respectively arranged at the upper end and the lower end of the machine body frame, and the movable cross beam is arranged between the upper cross beam and the lower cross beam and is positioned in the machine body frame; the guide device is respectively connected with the movable cross beam, the upper cross beam and the lower cross beam; the working cylinder group comprises a cylinder bottom beam and a hydraulic cylinder, the cylinder bottom beam is arranged on the frame of the machine body, one end of the hydraulic cylinder is connected with the cylinder bottom beam, the other end of the hydraulic cylinder is connected with the movable cross beam, and the hydraulic cylinder is provided with a plurality of hydraulic cylinders. Through setting up a plurality of pneumatic cylinders, can adjust the effort of every pneumatic cylinder according to the needs of technology to make multi-functional hydraulic press can once only be once only with forging and pressing blank forging shaping, improve forging speed, save forging time.

Description

Multifunctional hydraulic press

Technical Field

The invention relates to the technical field of forging equipment, in particular to a multifunctional hydraulic machine.

Background

The hydraulic machine is used as basic equipment in the fields of machinery manufacturing, steel smelting, nuclear power petrochemical industry and the like. With the development of forging technology and the difference of requirements of various industries on forging equipment, higher requirements are provided for a hydraulic press, not only are forgings with complex shapes and various varieties required to be manufactured, but also the quality of the forgings is required to meet the requirements, meanwhile, the working efficiency is required to be improved, and the hydraulic press is multipurpose, so that the requirements of development and construction of various industries are met. The traditional hydraulic press has different structural forms of the body according to different process requirements, so that the equipment process is single, and the processes of forging forming, extrusion and the like cannot be effectively combined. In order to meet different process requirements and generate various forging types, corresponding press structures and different pressure grading requirements are required.

Disclosure of Invention

The invention solves the problem of how to realize diversified products on one hydraulic press, meets different process requirements, such as effective combination of die forging forming and extrusion processes, and realizes the multifunction of the hydraulic press.

In order to solve the problems, the invention provides a multifunctional hydraulic machine which comprises a machine body frame, a working cylinder group, a supporting device and a guiding device;

the supporting device comprises a movable cross beam, an upper cross beam and a lower cross beam, the upper cross beam and the lower cross beam are respectively arranged at the upper end and the lower end of the machine body frame, the upper cross beam is positioned at the outer side of the machine body frame and connected with the machine body frame, the lower cross beam is positioned at the lower bottom surface inside the machine body frame, and the movable cross beam is arranged between the upper cross beam and the lower cross beam and positioned inside the machine body frame;

the guide device is respectively connected with the movable cross beam, the upper cross beam and the lower cross beam and is suitable for realizing the motion guide of the movable cross beam along the height direction of the machine body frame;

the working cylinder group comprises a cylinder bottom beam and hydraulic cylinders, the cylinder bottom beam is arranged on the upper bottom surface inside the machine body frame, one ends of the hydraulic cylinders are connected with the cylinder bottom beam, the other ends of the hydraulic cylinders are connected with the movable cross beam, and the hydraulic cylinders are provided with a plurality of cylinders and distributed in an array mode on the cylinder bottom beam.

Optionally, the upper cross beam includes a first beam and a second beam, the first beam is provided with two beams and respectively disposed on the front and rear sides of the fuselage frame, the left side and/or the right side of the fuselage frame is provided with one second beam, and the second beam is disposed between the two first beams and is suitable for connecting the two first beams.

Optionally, the guiding device includes stand bar, last uide bushing and lower uide bushing, go up the uide bushing with the uide bushing sets up relatively down, it sets up to go up the uide bushing on the entablature just the uide bushing sets up down on the bottom end rail, movable cross beam with the stand bar is connected, the stand bar sets up go up the uide bushing with between the uide bushing down and both ends respectively with go up the uide bushing with uide bushing sliding connection down.

Optionally, the guiding device further includes a supporting sleeve, the supporting sleeve is disposed on the movable cross beam, and the guiding column is suitable for being inserted into the supporting sleeve.

Optionally, the multifunctional hydraulic press further comprises a gap adjusting structure, the gap adjusting structure comprises a driving assembly, a wedge-shaped reversing assembly and a sliding plate, the wedge-shaped reversing assembly is mounted on the inner wall of the upper guide sleeve or the inner wall of the lower guide sleeve, the driving assembly is in driving connection with the sliding plate through the wedge-shaped reversing assembly, and the sliding plate is suitable for being in sliding connection with the guide column.

Optionally, the hydraulic cylinder includes a cylinder body and a plunger, the cylinder body is disposed on the cylinder bottom beam, one end of the plunger is hinged to the movable cross beam, and the other end of the plunger is connected to the cylinder body in a sliding manner.

Optionally, the machine body frame comprises memorial archways and a pre-tightening device, the upper cross beam and the lower cross beam are arranged on the memorial archways and are respectively located at the upper ends and the lower ends of the memorial archways, the cylinder bottom beam is arranged on the memorial archways and is located between the upper cross beam and the movable cross beam, the memorial archways are provided with a plurality of blocks and are distributed at intervals, the pre-tightening device comprises a transverse pull rod, and the transverse pull rod penetrates through the memorial archways and the two ends of the memorial archways are suitable for being fastened by bolts.

Optionally, the pre-tightening device further comprises a support sleeve, and the support sleeve is arranged between every two adjacent memorial archways and sleeved on the transverse pull rod.

Optionally, still include fixed beam and vertical pull rod, the fixed beam sets up a plurality ofly the upper end/lower extreme of memorial archway, the one end of vertical pull rod with the fixed beam is connected and the other end with the floorbar roof beam the bottom end rail is connected, the floorbar roof beam sets up and is located along the fore-and-aft direction fuselage frame is inside to go up the bottom surface, the bottom end rail is located a plurality of the inside bottom surface down of memorial archway, vertical pull rod is provided with two and every vertical pull rod all with the floorbar roof beam one of them end of bottom end rail is connected.

Optionally, the device further comprises a leveling cylinder group and a return cylinder group, wherein the leveling cylinder group is arranged between the upper beam and the movable beam, and the return cylinder group is arranged between the lower beam and the movable beam.

The invention has the technical effects that: through setting up a plurality of pneumatic cylinders, can adjust the effort of every pneumatic cylinder according to the needs of technology to adjust the effort of multi-functional hydraulic press to forging and pressing blank, thereby make multi-functional hydraulic press can once only be with forging and pressing blank forging shaping, improve forging speed, save forging time. Meanwhile, the working cylinder group is not easy to assemble when being of an integral structure, and the working cylinder group is arranged to be of a split structure, so that each hydraulic cylinder can be assembled in sequence, and the assembly process is convenient to simplify. Secondly, the cylinder bottom beam is used as the common cylinder bottom of the plurality of hydraulic cylinders, the structure of the working cylinder group can be simplified, and the assembly process is further simplified, wherein the cylinder bottom beam can be regarded as a structure formed by the plurality of cylinder bottoms integrally, so that the rigidity of the cylinder bottom is improved, and the structural strength of the working cylinder group is improved. Meanwhile, the cylinder bottom beam can be used as a transition pad beam of the hydraulic cylinder and the frame of the machine body, and the effects of multi-cylinder bottom sharing and one bottom with multiple purposes are achieved. In addition, set up guider, at forging and pressing in-process cylinder group promotion movable cross beam downstream, because movable cross beam sets up on guider, when can preventing that movable cross beam from bearing eccentric load, to the structure production influence of fuselage frame, from this, can promote the accuracy nature of multi-functional hydraulic press forging and pressing to work efficiency has further been improved and the quality of forging has been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of a multi-function hydraulic machine according to an embodiment of the present invention;

FIG. 2 is a front view of the multi-function hydraulic machine of an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a multi-function hydraulic machine according to an embodiment of the present invention;

FIG. 4 is an enlarged view of area B of FIG. 3;

FIG. 5 is an enlarged view of area C of FIG. 3;

FIG. 6 is a schematic structural diagram of a gap adjustment structure according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 8 is a schematic perspective view of a fuselage frame according to an embodiment of the invention.

Reference numerals:

1. a fuselage frame; 11. a memorial archway; 12. a support sleeve; 13. a fixed beam; 14. a longitudinal tie rod; 2. a working cylinder group; 21. a cylinder bottom beam; 22. a hydraulic cylinder; 221. a cylinder body; 222. a plunger; 31. a movable cross beam; 311. a main beam; 312. a guide beam; 32. an upper cross beam; 321. a first beam body; 322. a second beam body; 33. a lower cross beam; 331. a load beam; 332. a connecting beam; 34. a key; 41. a guide post; 42. an upper guide sleeve; 43. a lower guide sleeve; 44. a support sleeve; 45. leveling cylinder groups; 46. a return cylinder group; 5. a work table; 61. a ball pad is arranged; 62. a short rocker; 63. a gland is arranged; 64. a first dust ring; 65. a lower gland; 66. a ball pad is arranged; 71. a guide sleeve; 72. sealing the group V; 73. pressing the sleeve; 74. adjusting the gasket group; 75. a flange; 76. a second dust ring; 77. a dust ring gland; 81. a drive assembly; 811. adjusting the bolt; 812. an adjustment plate; 813. adjusting the gasket; 82. a wedge-shaped reversing component; 821. fixing the wedge block; 822. moving the wedge block; 83. a slide board.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

XYZ coordinate axes are provided herein wherein a forward direction of the X axis represents the left direction, an inverse direction of the X axis represents the right direction, a forward direction of the Y axis represents the front direction, an inverse direction of the Y axis represents the rear direction, a forward direction of the Z axis represents the upper direction, and an inverse direction of the Z axis represents the lower direction.

As shown in fig. 1-3, the embodiment of the invention provides a multifunctional hydraulic machine, which comprises a machine body frame 1, a working cylinder group 2, a supporting device and a guiding device; the supporting device comprises a movable cross beam 31, an upper cross beam 32 and a lower cross beam 33, the upper cross beam 32 and the lower cross beam 33 are respectively arranged at the upper end and the lower end of the machine body frame 1, the upper cross beam 32 is arranged at the outer side of the machine body frame 1 and is connected with the machine body frame 1, and the movable cross beam 31 is arranged between the upper cross beam 32 and the lower cross beam 33 and is positioned in the machine body frame 1; the lower cross beam 33 is arranged on the lower bottom surface inside the fuselage frame 1; the guide device is respectively connected with the movable cross beam 31, the upper cross beam 32 and the lower cross beam 33 and is suitable for realizing the motion guide of the movable cross beam 31 along the height direction of the machine body frame 1; the working cylinder group 2 comprises a cylinder bottom beam 21 and hydraulic cylinders 22, the cylinder bottom beam 21 is arranged on the upper bottom surface inside the machine body frame 1, one ends of the hydraulic cylinders 22 are connected with the cylinder bottom beam 21, the other ends of the hydraulic cylinders 22 are connected with the movable cross beam 31, and the hydraulic cylinders 22 are arranged in a plurality and distributed on the cylinder bottom beam 21 in an array mode. The hydraulic cylinder 22 includes a cylinder body 221 and a plunger 222, wherein the cylinder body 221 is provided with a plurality of cylinders which are uniformly distributed on the cylinder bottom beam 21 and are combined with the cylinder bottom beam 21 through a plurality of double-headed nuts. The plungers 222 are provided in plurality and correspond to the cylinders 221 one by one, and the plungers 222 are detachably connected to the movable beam 31 and slidably connected to the cylinders 221.

In the embodiment, in the working process of the multifunctional hydraulic press, the workbench 5 is provided with a forging blank so that the working cylinder group 2 can be machined, specifically, a suitable process is selected according to the structural characteristics of the forging product, a suitable hydraulic pressure is further used according to the structural characteristics of the forging product, then the working cylinder group 2 is started, the plunger 222 slides relative to the cylinder body 221 to push the movable cross beam 31 to move and act on the forging blank, and thus the processes of forging, forming or extruding the forging blank and the like can be completed at one time. Specifically, sixteen hydraulic cylinders 22 are provided, and the hydraulic cylinders 22 are arranged in a 4 × 4 matrix structure.

In conclusion, by arranging the plurality of hydraulic cylinders 22, the acting force of each hydraulic cylinder 22 can be adjusted according to the process requirements so as to adjust the acting force of the multifunctional hydraulic press on the forging blank, so that the multifunctional hydraulic press can forge and form the forging blank, the forging speed can be increased, and the forging time can be saved. Meanwhile, the working cylinder group 2 is not easy to assemble when being of an integral structure, and the working cylinder group 2 is arranged to be of a split structure, so that each hydraulic cylinder 22 can be assembled in sequence, and the assembly process is convenient to simplify. Secondly, the cylinder bottom beam 21 is used as a common cylinder bottom of the plurality of hydraulic cylinders 22, so that the structure of the working cylinder group 2 can be simplified, and the assembly process can be further simplified, wherein the cylinder bottom beam 21 can be regarded as a structure formed by integrally forming a plurality of cylinder bottoms, and therefore the rigidity of the cylinder bottom is improved, and the structural strength of the working cylinder group 2 is improved. Meanwhile, the cylinder bottom beam 21 can be used as a transition pad beam of the hydraulic cylinder 22 and the machine body frame 1, and the cylinder bottom beam 21 achieves the effect of multi-cylinder bottom sharing and one bottom multipurpose. In addition, a guide device is arranged, the hydraulic cylinder 22 pushes the movable cross beam 31 to move downwards in the forging process, and the movable cross beam 31 is arranged on the guide device, so that the movable cross beam 31 can be prevented from influencing the structure of the machine body frame 1 when bearing eccentric load, therefore, the forging accuracy of the multifunctional hydraulic press can be improved, and the working efficiency is further improved, and the quality of forgings is guaranteed.

Optionally, the plunger 222 and the movable cross beam 31 are connected by a spherical hinge structure, specifically, a double-spherical hinge short rocker connection structure.

In this embodiment, by providing the hinge structure between the plunger 222 and the movable cross beam 31, the movable cross beam 31 can avoid transmitting the acting force to the plunger 222 during the movement process, so that the plunger 222 can avoid bearing the lateral stress, thereby preventing the stress concentration generated on the plunger 222 and further ensuring the structural stability of the plunger 222.

Further, as shown in fig. 4, the spherical hinge structure is preferably a double spherical hinge structure, which includes: the structure comprises an upper ball pad 61, a short rocker 62, an upper gland 63, a first dust ring 64, a lower gland 65, a lower ball pad 66 and the like. The lower end of the plunger 222 and the upper end of the movable cross beam 31 are both provided with grooves, the upper ball pad 61 is placed in the groove at the lower end of the plunger 222, and the lower ball pad 66 is placed in the groove at the upper end of the movable cross beam 31; the short rocker 62 is arranged between the upper ball pad 61 and the lower ball pad 66, and the upper end and the lower end of the short rocker 62 are respectively in spherical contact with the upper ball pad 61 and the lower ball pad 66. And the short rocker 62 is positioned on the plunger 222 and the movable cross beam 31 by an upper gland 63 and a lower gland 65 sleeved on the short rocker 62 respectively so as to improve the stability when the plunger 222 is connected with the movable cross beam 31 through a spherical hinge structure. The first dust ring 64 is arranged at the joint of the upper gland 63 and the short rocker 62 and at the joint of the lower gland 65 and the short rocker 62 for preventing dust.

Further, as shown in fig. 5, the multi-purpose hydraulic machine further includes a sealing structure disposed at the lower end of the cylinder 221 and located between the cylinder 221 and the plunger 222, so as to ensure that the plunger 222 and the cylinder 221 move flexibly relative to each other without oil pressure leakage. Specifically, the seal structure includes: the guide sleeve 71, the V group seal 72, the pressing sleeve 73, the adjusting gasket group 74, the flange 75, the second dust ring 76, the dust ring pressing cover 77 and the like. The guide sleeve 71, the V-group seal 72 and the pressing sleeve 73 are sequentially arranged between the cylinder body 221 and the plunger 222 along the Z-axis direction, and when the cylinder body 221 is connected with the plunger 222, the cylinder body 221 plays a certain supporting role on the plunger 222, so that the plunger 222 is prevented from being influenced in movement in the vertical direction when bearing a lateral force. The flange 75 is disposed at the lower end of the cylinder 221 and sleeved on the pressing sleeve 73, the adjusting shim set 74 is disposed between the flange 75 and the lower end of the cylinder 221, and the flange 75 and the adjusting shim set 74 are connected to the cylinder 221 through fasteners (e.g., screws, bolts, etc.). A spigot suitable for being in plug fit with the flange 75 is arranged on the pressing sleeve 73, so that the pressing sleeve 73 and the flange 75 can move together in the Z-axis direction; furthermore, the distance between the flange 75 and the cylinder can be changed by changing the number of the gaskets in the adjusting gasket group 74, so that the pressure of the pressing sleeve 73 on the V-group seal 72 is adjusted, and the sealing performance of the V-group seal 72 is further adjusted. A second dust ring 76 and a dust ring gland 77 are provided at the junction of the flange 75 and the plunger for dust protection.

Optionally, as shown in fig. 1, the upper cross beam 32 includes first beam bodies 321 and second beam bodies 322, the first beam bodies 321 are disposed two and disposed at front and rear sides of the fuselage frame 1, respectively, one second beam body 322 is disposed at left and/or right sides of the fuselage frame 1, and the second beam body 322 is disposed between the two first beam bodies 321 and is adapted to connect the two first beam bodies 321.

In this embodiment, the upper cross beam 32 includes a first beam 321 and a second beam 322, the first beam 321 and the second beam 322 are box beams with square cross sections, the box beams are hollow to form a channel structure, a through hole structure is disposed at an end of the first beam 321 or a through hole structure is disposed at an end of the second beam 322, when the first beam 321 and the second beam 322 are connected to form a frame structure, a steel wire rope, a steel bar, or a tension rod is used as a prestressed tendon to pass through the through hole structure and the channel structure coaxially disposed on the first beam 321 or the second beam 322, and then two ends of the prestressed tendon are locked by nuts, so that the first beam 321 and the second beam 322 are detachably connected.

In one embodiment, the second beam 322 is clamped between two first beams 321, through hole structures are arranged at two ends of the first beams 321, the through hole structures and the channel structures on the second beams 322 are coaxially arranged along the width direction of the machine body frame 1, the prestressed tendons penetrate through the through hole structures at two ends of the first beams 321 and the channel structures inside the second beams 322, and the two ends of the prestressed tendons are locked from the outer sides of two ends of the first beams 321 through nuts, so that the first beams 321 are detachably connected with the second beams 322.

In another embodiment, the first beam 321 is clamped between the two second beams 322, through hole structures are arranged at two ends of the second beams 322, the through hole structures and the channel structures of the first beams 321 are coaxially arranged along the length direction of the machine body frame 1, the prestressed tendon passes through the through hole structures at two ends of the second beams 322 and the channel structures inside the first beams 321, and the two ends of the prestressed tendon are locked from the outer sides at two ends of the second beams 322 through nuts, so that the first beams 321 are detachably connected with the second beams 322.

Like this, when entablature 32 is connected with fuselage frame 1, seted up the tang structure on sheet frame 111 or the memorial archway 11, the part setting of second roof beam body 322 can confirm entablature 32 along direction of height's position on fuselage frame 1 in the tang structure for entablature 32 is difficult for following the direction of height removal on fuselage frame 1, second roof beam body 322 with the design simple and easy to operate of tang structure matched with, consequently, make entablature 32 install more conveniently.

Further, as shown in fig. 1, the lower cross member 33 may be provided in the same frame-shaped structure as the upper cross member 32, or may be provided in a structure composed of a load beam 331 and a connecting beam 332, wherein the connecting beam 332 is provided with at least two to be respectively disposed at opposite ends of the load beam 331, and at the same time, the table 5 is disposed on the load beam 331.

Further, as shown in fig. 1, the movable cross member 31 includes a main beam 311 and guide beams 312 adapted to be disposed at opposite ends of the main beam 311, that is, the guide beams 312 are provided with at least two to be disposed at opposite ends of the main beam 311, respectively, wherein support sleeves 44 are disposed on the guide beams 312 and both ends of each guide beam 312 are provided with the support sleeves 44.

Meanwhile, as shown in fig. 7, key slots matching with the keys 34 are provided on the carrier beams 311 and the main beams 311, and the keys 34 are provided at the connection positions of the adjacent carrier beams 311 or the main beams 311.

In the present embodiment, in the lower cross member 33, the key 34 is provided at the key groove of the load beam 331 to ensure the stability of the structure between the connecting beam 332 and the load beam 331, and similarly, in the movable cross member 31, the key 34 is provided at the key groove of the main beam 311 to ensure the stability of the structure between the guide beam 312 and the main beam 311. Meanwhile, the connecting beam 332 and the bearing beam 331 as well as the guide beam 312 and the main beam 311 are connected through keys, so that the lower cross beam 33 and the movable cross beam 31 can be assembled quickly, and the installation convenience of the lower cross beam 33 and the movable cross beam 31 is improved.

Alternatively, as shown in fig. 2, the guiding device includes a guiding post 41, an upper guiding sleeve 42 and a lower guiding sleeve 43, the upper guiding sleeve 42 and the lower guiding sleeve 43 are oppositely disposed, the upper guiding sleeve 42 is disposed on the upper cross beam 32 and the lower guiding sleeve 43 is disposed on the lower cross beam 33, the movable cross beam 31 is connected with the guiding post 41, the guiding post 41 is disposed between the upper guiding sleeve 42 and the lower guiding sleeve 43, and two ends of the guiding post are slidably connected with the upper guiding sleeve 42 and the lower guiding sleeve 43 respectively. Wherein the upper guide bushing 42 is disposed on the second beam body 322 and the lower guide bushing 43 is disposed on the connection beam 332.

In this embodiment, when the cylinder group 2 drives the movable beam 31 to move, the movable beam 31 is connected to the guide post 41, so that the guide post 41 can be driven to slide relative to the upper guide sleeve 42 and the lower guide sleeve 43, respectively, and the upper guide sleeve 42 and the lower guide sleeve 43 are respectively arranged on the upper beam 32 and the lower beam 33, so that the movable beam 31 always moves within the contour range of the upper beam 32 and the lower beam 33, thereby preventing the movable beam 31 from shifting in position during movement, and further ensuring the guiding clearance and the guiding precision of the movable beam 31. Wherein the guide post 41 is independent of the fuselage sheet frame 1 and is connected with the second beam body 321, the guide beam 312 and the connecting beam 332, and since the second beam body 321, the guide beam 312 and the connecting beam 332 are all positioned outside the fuselage frame 1, the side thrust generated by the deformation of the fuselage frame 1 cannot affect the movable cross beam 31 when the hydraulic press is in operation. In addition, the guide post 41 can be forged by adopting an integral forming process, so that the eccentric load resistance can be improved. Of course, the guide column 41 can also adopt a split structure, and the installation segment can be flexibly adjusted according to the actual installation height when the split structure is adopted, so that the applicability is stronger.

Optionally, as shown in fig. 2, the guiding device further comprises a supporting sleeve 44, the supporting sleeve 44 is disposed on the movable cross beam 31, and the guiding column 41 is adapted to be inserted into the supporting sleeve 44. Specifically, the support sleeve 44 is detachably connected to the movable cross beam 31, and the guide post 41 is connected to the support sleeve 44 in an interference fit manner.

In the present embodiment, by providing the support sleeve 44 on the movable cross member 31, when connecting the guide post 41 and the movable cross member 31, the guide post 41 can be directly inserted into the support sleeve 44 to connect the guide post 41 to the movable cross member 31. Based on this, the guide post 41 can be quickly assembled to the movable cross beam 31, thereby simplifying the assembly process of the multifunctional hydraulic machine.

Optionally, the multifunctional hydraulic machine of the present embodiment further includes a gap adjusting structure for adjusting the guide gap between the guide column 41 and the upper guide sleeve 42 or the lower guide sleeve 43. Shown in fig. 6 is a gap adjusting structure adjusting the connection structure between the guide post 41 and the lower guide sleeve 43.

In this embodiment, in order to meet the guiding accuracy requirements of different occasions, a plurality of gap adjusting structures are arranged in the lower guide sleeve 43, the gap adjusting structures can be arranged along the periphery of the lower guide sleeve 43, and each gap adjusting structure simultaneously adjusts the guiding gaps of the guide sleeve 43 and the guide column 41, so that the adjusting accuracy is higher.

Alternatively, as shown in fig. 6, the gap adjusting structure includes a driving assembly 81, a wedge-shaped reversing assembly 82 and a sliding plate 83, the wedge-shaped reversing assembly 82 is mounted on the inner wall of the lower guide sleeve 43, the driving assembly 81 is in driving connection with the sliding plate 83 through the wedge-shaped reversing assembly 82, the sliding plate 83 is adapted to be in sliding connection with the guide post 41, and the driving assembly 81 drives the sliding plate 83 to move toward/away from the guide post 41 through the wedge-shaped reversing assembly 82.

In the embodiment, the driving assembly 81 drives the sliding plate 83 to move through the wedge-shaped reversing assembly 82, the vertical acting force generated by the driving assembly 81 is converted into the horizontal acting force through the wedge-shaped reversing assembly 82, and the sliding plate 83 is pushed to move in the horizontal direction to adjust the gap between the sliding plate 83 and the guide column 41.

Alternatively, as shown in fig. 6, the driving assembly 81 includes an adjusting bolt 811, an adjusting plate 812 and a plurality of adjusting washers 813, the adjusting bolt 811 presses the adjusting plate 812 and the adjusting washers 813 against the lower guide sleeve 43, and the adjusting plate 812 is connected to the wedge reversing assembly 82; adjusting the number of adjustment shims 813 adjusts the adjustment bolts 811 to move the wedge reverser assembly 82 via the adjustment plate 812.

In this embodiment, when the guide clearance between the guide sleeve 43 and the guide post 41 needs to be reduced, a portion of the adjusting washer 813 between the adjusting plate 812 and the lower guide sleeve 43 is removed, the adjusting bolt 811 is screwed down, the wedge-shaped reversing assembly 82 is driven by the adjusting plate 812 to move, the vertical force is converted into a horizontal thrust, so as to push the sliding plate 83 to move, and the size of the clearance between the sliding plate 83 and the guide post 41 is changed.

Alternatively, as shown in fig. 6, the wedge-shaped reversing assembly 82 includes a fixed wedge 821 and a movable wedge 822, the fixed wedge 821 is fixed on the inner wall of the lower guide sleeve 43, the movable wedge 822 is connected to the adjusting plate 812, a wedge-shaped side of the movable wedge 822 is connected to a wedge-shaped surface of the fixed wedge 821 in a matching manner, the adjusting plate 812 drives the movable wedge 822 to move along the wedge-shaped surface of the fixed wedge 821, a sliding plate 83 is mounted on the movable wedge 822, and the movable wedge 822 moves to drive the sliding plate 83 to move toward/away from the guide post 41.

In this embodiment, the fixed wedge 821 is fixedly connected to the lower guide sleeve 43 through a locking bolt, one side of a wedge surface of the fixed wedge 821 is away from the lower guide sleeve 43, the wedge surface of the movable wedge 822 is slidably connected to the wedge surface of the fixed wedge 821, and the movable wedge 822 slides along the wedge surface of the fixed wedge 821 under a downward force of the driving assembly 81 to drive the sliding plate 83 mounted thereon to move horizontally, so as to adjust a gap between the sliding plate 83 and the guide post 41, thereby achieving a purpose of adjusting a gap between the middle guide sleeve 43 and the guide post 41.

Optionally, the machine body frame 1 includes a plurality of memorial archways 11, and the pretightening device includes a plurality of transverse pull rods, wherein the pretightening device includes a plurality of transverse pull rods, the pretightening device includes a plurality of memorial archways 11, the upper cross beam 32 and the lower cross beam 33 are respectively disposed at the upper end and the lower end of the memorial archways 11, the cylinder bottom beam 21 is disposed on the memorial archways 11 and is located between the upper cross beam 32 and the movable cross beam 31, the memorial archways 11 are disposed at intervals, and the pretightening device includes a plurality of transverse pull rods which pass through the memorial archways 11 and are suitable for being fastened by bolts at the two ends. Specifically, since the cylinder bottom beam 21 is disposed on the housing 11 and between the upper beam 32 and the movable beam 31, it can be seen that the multifunctional hydraulic machine of the present embodiment adopts an up-and-down pushing structure, which has strong process adaptability and is beneficial to die forging.

In the present embodiment, by providing the body frame 1 as a structure formed by combining a plurality of housing windows 11, the rigidity and strength of the body frame 1 are enhanced relative to the body frame 1 of a single housing window 11. Meanwhile, by arranging the transverse pull rod, the two ends of the transverse pull rod are fastened by using bolts during assembly, so that a plurality of memorial archways can be combined into a whole conveniently.

Alternatively, as shown in fig. 8, the housing 11 includes a plurality of plate frames 111 stacked on each other.

In the present embodiment, the housing 11 is a plate-shaped frame structure formed by stacking a plurality of frame-shaped plates. The single frame-shaped plate is generally called as a plate frame 111, the plate frames 111 can be connected with each other to form the housing 11 by adopting a bonding agent bonding, welding and riveting mode or a mode of pre-tightening prestressed ribs such as steel wire ropes, steel bars, pull rods and other modes, and the number of the plate frames 111, the thickness of the plate frames 111 and the shape of the plate frames 111 of the single housing 11 can be optimized and combined according to different equipment scheme requirements. The machine body frame 1 can be provided with a group of memorial archways 11 according to the process requirements, also can be provided with a plurality of groups of memorial archways 11, the plurality of groups of memorial archways 11 can be connected through pretightening devices at a plurality of different positions, the pretightening devices can be made of steel wire ropes, steel bars or pull rods and other materials, the cross section of each pretightening device can be triangular, rectangular, polygonal, circular or various combined shapes, and the pretightening devices and the memorial archways 11 can be connected through welding, riveting, bolt connection or other modes.

In this embodiment, since the housing 11 has a large overall structure, it is inconvenient to carry out the processing and the handling, and the handling and the processing can be facilitated by providing the housing 11 as a plurality of plate frames 111. Specifically, a plurality of plate frames 111 with the same specification and size are processed, the plurality of plate frames 111 are transported to a designated position, and then the plurality of plate frames 111 are stacked and combined to form the housing 11; and then the supporting sleeves 12 and the transverse pull rods are sequentially arranged, and pretightening force is applied to the transverse pull rods to combine the plate frames 111 into the memorial archway 11.

Optionally, as shown in fig. 7, the pretensioning device further includes a support sleeve 12, and the support sleeve 12 is disposed between two adjacent housing windows 11 and is sleeved on the transverse pull rod.

In this embodiment, when the body frame 1 is configured as a structure formed by combining a plurality of memorial archways 11, the transverse pull rod can firstly penetrate through one memorial archway 11; sleeving a supporting sleeve 12 on the transverse pull rod, and then penetrating the transverse pull rod through another housing 11; and repeatedly arranging the supporting sleeves 12 and the memorial archways 11, and finally fastening the transverse pull rods by using nuts to complete the assembly of the machine body frame 1. In order to ensure that enough upright column space is arranged in the machine body frame 1 to arrange a workbench, a forging piece and the like, enough distance is kept between two adjacent memorial archways 11, the supporting sleeves 12 are arranged, so that enough distance can be directly generated between the two adjacent memorial archways 11 when the memorial archways 11 are assembled, the distance between the two adjacent memorial archways 11 is not required to be measured and positioned in the assembling process, and the assembling process of the machine body frame 1 is simplified. Meanwhile, the supporting sleeve 12 is arranged between the two adjacent memorial archways 11, when pretightening force is applied to the two ends of the transverse pull rod, the two ends of the supporting sleeve 12 can be tightly attached to the two adjacent memorial archways 11, so that the machine body frame 1 can be conveniently combined into an integral structure, and the stability of the machine body frame 1 can be further improved.

Optionally, a plurality of support sleeves 12 are disposed between each two adjacent housing windows 11.

In the embodiment, when one support sleeve 12 is provided, the force transmission between two adjacent memorial archways 11 can only be carried out through the support sleeve 12, and because the contour of the support sleeve 12 is limited, the stress on the memorial archways 11 is difficult to be completely transmitted, so the whole stress of the memorial archways 11 is difficult to be balanced. Through set up a plurality of support sleeves 12 between two adjacent memorial archways 11, increased the profile of support sleeve 12 in other words, the atress on the memorial archways 11 can transmit completely, can promote the whole bending resistance of fuselage frame 1 from this to promote the whole anti unbalance loading effect of fuselage frame 1.

Further, when the machine body frame 1 comprises a plurality of memorial archways 11 which are distributed at intervals along the front-back direction, the second beam body is provided with isolation blocks at intervals relatively, and two ends of each isolation block are suitable for being abutted against the two adjacent memorial archways 11. Specifically, the spacer block may be provided in plurality in the front-rear direction.

In the embodiment, when the memorial archways 11 are assembled, the two memorial archways 11 are respectively arranged at the front end and the rear end of one isolation block; then, a transverse pull rod is arranged between the two memorial archways 11, and proper pre-tightening force is applied to the transverse pull rod to fasten the two memorial archways 11. The distance between two adjacent memorial archways 11 can be directly controlled by the isolation blocks arranged on the second beam body 322, and the distance between two adjacent memorial archways 11 does not need to be measured and positioned in the assembling process, so that the assembling process of the machine body frame 1 is further simplified. Meanwhile, the structure of the memorial archways 11 can be supported together with the supporting sleeve 12, so that the memorial archways 11 can be combined into a whole conveniently, and the eccentric load resistance of the machine body frame 1 is improved.

Optionally, as shown in fig. 3, the multifunctional hydraulic machine further includes a fixed beam 13 and longitudinal pull rods 14, the fixed beam 13 is disposed at the upper/lower ends of the plurality of housing windows 11, one end of each longitudinal pull rod 14 is connected to the fixed beam 13, and the other end is connected to the cylinder bottom beam 21/lower cross beam 33, the cylinder bottom beam 21 is disposed in the front-back direction and located at the upper bottom surface inside the housing window 11, the lower cross beam 33 is located at the lower bottom surface inside the plurality of housing windows 11, and two longitudinal pull rods 14 are disposed and each longitudinal pull rod 14 is connected to the cylinder bottom beam 21/lower cross beam 33.

In this embodiment, the fixed beam 13 is disposed at the upper ends of the plurality of housing windows 11, one end of the longitudinal rod 14 is connected to the fixed beam 13 and the other end is connected to the bottom cylinder beam 21, and two longitudinal rods 14 are disposed and each longitudinal rod 14 is connected to the bottom cylinder beam 21.

In conclusion, the arrangement of the fixing beams 13 and the longitudinal pull rods 14 facilitates the combination of the structures of the plurality of memorial archways 11, enhances the structural stability of the machine body frame 1, and improves the unbalance loading resistance of the machine body frame 1. Meanwhile, the cylinder bottom beam 21 is arranged along the distribution direction of the memorial archways 11 and is connected with the memorial archways 11, so that the adjacent memorial archways 11 can be subjected to force transmission through the cylinder bottom beam 21, the load born by the memorial archways 11 is balanced, and the load deflection resistance of the machine body frame 1 is further improved.

Optionally, as shown in fig. 1, a leveling cylinder group 45 and a return cylinder group 46 are further included, the leveling cylinder group 45 is disposed between the upper beam 32 and the movable beam 31, and the return cylinder group 46 is disposed between the lower beam 33 and the movable beam 31. Specifically, the leveling cylinder group 45 includes four leveling cylinders which are vertically arranged and distributed in an array, and the four leveling cylinders are respectively located at four corners of the movable cross beam 31; the return cylinder group 46 includes four return cylinders, and the four return cylinders are respectively in one-to-one correspondence with the four leveling cylinders and are coaxially distributed.

In the real-time example, the output force and the displacement of the leveling cylinder groups 45 and the return cylinder groups 46 at the four corners of the movable cross beam 31 are controlled by accurately detecting the displacement data change of the four corners of the movable cross beam 31 in real time, so that the unbalance loading moment in the pressing process of the forged piece is overcome, and the requirement on the parallel precision of the movable cross beam 31 in the die assembly process of the upper die and the lower die is ensured. The die forging device is used for overcoming the unbalance loading moment in the die forging process and ensuring the parallel precision of four corners of the movable cross beam 31. Meanwhile, the return cylinder group 46 can play a role in balancing the weight of the movable cross beam 31 and returning the movable cross beam 31.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. A multifunctional hydraulic machine is characterized by comprising a machine body frame (1), a working cylinder group (2), a supporting device and a guiding device;

the supporting device comprises a movable cross beam (31), an upper cross beam (32) and a lower cross beam (33), the upper cross beam (32) and the lower cross beam (33) are respectively arranged at the upper end and the lower end of the machine body frame (1), the upper cross beam (32) is positioned at the outer side of the machine body frame (1) and connected with the machine body frame (1), the lower cross beam (33) is positioned in the machine body frame (1), and the movable cross beam (31) is arranged between the upper cross beam (32) and the lower cross beam (33) and positioned in the machine body frame (1);

the guiding device is respectively connected with the movable cross beam (31), the upper cross beam (32) and the lower cross beam (33) and is suitable for realizing the motion guiding of the movable cross beam (31) along the height direction of the machine body frame (1);

the working cylinder group (2) comprises a cylinder bottom beam (21) and a hydraulic cylinder (22), the cylinder bottom beam (21) is arranged on the inner upper bottom surface of the machine body frame (1), one end of the hydraulic cylinder (22) is connected with the cylinder bottom beam (21) and the other end of the hydraulic cylinder is connected with the movable cross beam (31), and the hydraulic cylinder (22) is provided with a plurality of cylinders and is distributed in an array mode on the cylinder bottom beam (21).

2. The hydraulic machine according to claim 1, characterized in that said upper cross-beam (32) comprises a first beam (321) and a second beam (322), said first beam (321) being provided with two and being arranged respectively on the front and rear sides of said fuselage frame (1), said second beam (322) being arranged on the left and/or right side of said fuselage frame (1), said second beam (322) being arranged between two of said first beams (321) and being adapted to connect two of said first beams (321).

3. The multifunctional hydraulic machine according to claim 1, characterized in that the guiding means comprise a guiding post (41), an upper guiding sleeve (42) and a lower guiding sleeve (43), the upper guiding sleeve (42) and the lower guiding sleeve (43) being oppositely arranged, the upper guiding sleeve (42) being arranged on the upper beam (32) and the lower guiding sleeve (43) being arranged on the lower beam (33), the movable beam (31) being connected with the guiding post (41), the guiding post (41) being arranged between the upper guiding sleeve (42) and the lower guiding sleeve (43) and having two ends slidably connected with the upper guiding sleeve (42) and the lower guiding sleeve (43), respectively.

4. Multifunctional hydraulic machine according to claim 3, characterised in that said guiding means further comprise a supporting sleeve (44), said supporting sleeve (44) being arranged on said mobile transverse beam (31), said guiding studs (41) being suitable for being inserted in said supporting sleeve (44).

5. The multi-function hydraulic machine according to claim 3, further comprising a clearance adjustment structure, the clearance adjustment structure comprising a drive assembly (81), a wedge-shaped reversing assembly (82) and a sliding plate (83), the wedge-shaped reversing assembly (82) being mounted on an inner wall of the upper guide sleeve (42) or the lower guide sleeve (43), the drive assembly (81) being in driving connection with the sliding plate (83) through the wedge-shaped reversing assembly (82), the sliding plate (83) being adapted to be in sliding connection with the guide post (41).

6. Multifunctional hydraulic machine, according to claim 1, characterized in that said hydraulic cylinder (22) comprises a cylinder (221) and a plunger (222), said cylinder (221) being arranged on said cylinder bottom beam (21), said plunger (222) being hinged at one end to said movable cross beam (31) and being slidingly connected at the other end to said cylinder (221).

7. The hydraulic machine according to claim 1, characterized in that said frame (1) comprises housings (11) and preloading means, said upper cross-member (32) and said lower cross-member (33) are respectively arranged at the upper and lower ends of said housings (11), said cylinder bottom beam (21) is arranged on said housings (11) and between said upper cross-member (32) and said movable cross-member (31), said housings (11) are arranged in plurality and spaced apart, said preloading means comprises transverse tie rods, said transverse tie rods pass through a plurality of said housings (11) and both ends are adapted to be fastened by bolts.

8. The machine according to claim 7, characterised in that said preloading device further comprises a support sleeve (12), said support sleeve (12) being arranged between two adjacent housings (11) and being fitted over said transverse tie.

9. The hydraulic machine according to claim 7, characterized in that it further comprises a fixed beam (13) and longitudinal tie rods (14), said fixed beam (13) being arranged at the upper/lower ends of said plurality of memorial archways (11), said longitudinal tie rods (14) having one end connected to said fixed beam (13) and the other end connected to said cylinder bottom beam (21)/said lower cross beam (33), said cylinder bottom beam (21) being arranged in the front-rear direction and being located at the upper bottom surface inside said memorial archways (11), said lower cross beam (33) being located at the lower bottom surface inside said plurality of memorial archways (11), said longitudinal tie rods (14) being arranged in two and each of said longitudinal tie rods (14) being connected to one of said ends of said cylinder bottom beam (21)/said lower cross beam (33).

10. Multifunctional hydraulic machine according to any one of claims 1 to 9, further comprising a leveling cylinder group (45) and a return cylinder group (46), said leveling cylinder group (45) being arranged between said upper beam (32) and said movable beam (31), said return cylinder group (46) being arranged between said lower beam (33) and said movable beam (31).