A hydraulic press coupled with a multi-directional forging and isothermal forging process design

Abstract

This invention relates to the field of pressure forming machine tool technology, and provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes, comprising: an upper crossbeam assembly, a column, side cylinders, a central main cylinder, and a lower crossbeam; the upper crossbeam assembly includes a first side beam, a second side beam, and a central beam, the first and second side beams being disposed on both sides of the central beam, a first gap being provided between the first side beam and the central beam, and a second gap being provided between the central beam and the second side beam; the central main cylinder is fixedly disposed at the lower end of the central beam, the side cylinders include a first side cylinder and a second side cylinder, the first side cylinder being fixedly disposed at the lower end of the first side beam, and the second side cylinder being fixedly disposed at the lower end of the second side beam; the column includes a first column and a second column, the first column being fixedly connected to the first side beam and the central beam, the second column being fixedly connected to the second side beam and the central beam, and the bottom ends of both the first column and the second column being fixedly connected to the lower crossbeam. This invention achieves precise pressure adjustment while improving forging efficiency.

Description

Technical Field

[0001] This invention relates to the field of pressure forming machine tool technology, and in particular to a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes. Background Technology

[0002] With the rapid development of aerospace, marine shipbuilding, petrochemical and nuclear power industries, hydraulic presses, as iconic equipment in the field of pressure forming, are increasingly trending towards larger, heavier and even gigantic sizes. Giant isothermal forging hydraulic presses of 500MN or larger for die forging and isothermal forging processes of large disc-shaped and large structural parts made of titanium alloys, high-temperature alloys, aluminum alloys, alloy steels, and other metal materials, as well as giant multi-directional forging hydraulic presses for multi-directional forging processes of large valve bodies in the petrochemical and nuclear power fields, each require an investment of hundreds of millions of yuan per set. However, due to the significant differences in forming processes between the two, and the unique structural characteristics of the hydraulic presses, most giant hydraulic presses are dedicated to die forging, isothermal forging, or multi-directional forging. There is a lack of equipment that can combine the two functions and two processes into one giant forging hydraulic press. Designing and developing a giant die forging / isothermal forging / multi-directional forging multifunctional composite hydraulic press, realizing a flexible integrated design of multiple forging processes from die forging to isothermal forging to multi-directional forging, will greatly reduce investment costs and solve the problem of co-line production of large disc-shaped structural parts of aerospace high-temperature alloys and titanium alloys and large valve body forgings in the petrochemical and nuclear power fields.

[0003] Therefore, based on these issues, providing a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes has significant practical implications. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the related art. To this end, the present invention provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes, realizing the coupling of multi-directional forging and isothermal forging processes, accurately adjusting pressure, avoiding resource waste, and improving forging efficiency.

[0005] This invention provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes, comprising: an upper crossbeam assembly, columns, side cylinders, a central main cylinder, and a lower crossbeam; the upper crossbeam assembly includes a first side beam, a second side beam, and a central beam, the first side beam and the second side beam being disposed on both sides of the central beam, a first gap being provided between the first side beam and the central beam, and a second gap being provided between the central beam and the second side beam; the central main cylinder is fixedly disposed at the lower end of the central beam, the side cylinders include a first side cylinder and a second side cylinder, the first side cylinder being fixedly disposed at the lower end of the first side beam, and the second side cylinder being fixedly disposed at the lower end of the second side beam; the columns include a first column and a second column, the top end of the first column being fixedly connected to the bottom end of the first side beam and the central beam, the top end of the second column being fixedly connected to the bottom end of the second side beam and the central beam, and the bottom ends of both the first column and the second column being fixedly connected to the lower crossbeam.

[0006] The hydraulic press according to the present invention, which is a coupling design of multi-directional forging and isothermal forging processes, further includes at least two sets of horizontal cylinder assemblies. The horizontal cylinder assemblies are symmetrically arranged on the outside of the first column and the second column. The direction of the horizontal cylinder assemblies is the same as the direction of the first gap, and the horizontal cylinder assemblies are fixedly connected to the first column and the second column.

[0007] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided. The horizontal cylinder assembly includes a horizontal cylinder, a piercing cylinder, and a horizontal cylinder tie rod. One end of the horizontal cylinder tie rod is connected to the cylinder body of the piercing cylinder, and the other end of the horizontal cylinder tie rod is connected to a first column or a second column. The cylinder body of the horizontal cylinder is fixedly connected to the cylinder body of the piercing cylinder. The plunger of the piercing cylinder passes through the plunger of the horizontal cylinder and is slidably connected to the plunger of the horizontal cylinder.

[0008] According to the present invention, a hydraulic press with a coupling design of multi-directional forging and isothermal forging processes is provided, wherein a force transmission step is provided between the first column and the second column and the lower crossbeam, the force transmission step is provided with a step gap in the horizontal direction, and the gap value of the step gap near the center of the lower crossbeam is greater than the gap value far from the center of the lower crossbeam.

[0009] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided. The central main cylinder includes a first cylinder body and a first piston rod, the first cylinder body and the first piston rod being slidably connected. The first side cylinder includes a second cylinder body and a second piston rod, the second cylinder body and the second piston rod being slidably connected. The second side cylinder includes a third cylinder body and a third piston rod, the third cylinder body and the third piston rod being slidably connected.

[0010] The hydraulic press according to the present invention, which is a coupling design of multi-directional forging and isothermal forging processes, further includes a slider and a worktable. The upper surface of the slider is fixedly connected to the lower ends of the first plunger rod, the second plunger rod, and the third plunger rod. The worktable is installed on the upper surface of the lower crossbeam. A mold is provided between the slider and the worktable.

[0011] A hydraulic press according to the present invention, which is a coupling design of multi-directional forging and isothermal forging processes, further includes a leveling assembly. The leveling assembly includes a leveling beam, an upper leveling cylinder, and a lower leveling cylinder. The leveling beam is installed on the front and rear sides of the slider through a slot. The leveling beam is fixedly connected to the slider through a fourth tie rod. The cylinder body of the upper leveling cylinder is installed on the first side beam or the second side beam. The plunger of the upper leveling cylinder is connected to the upper plane of the leveling beam. The cylinder body of the lower leveling cylinder is installed on the first column or the second column. The plunger of the lower leveling cylinder is connected to the lower plane of the leveling beam.

[0012] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, wherein the leveling assembly further includes a return cylinder, the cylinder body of which is mounted on the first column or the second column, and the plunger of which is connected to the lower plane of the leveling beam.

[0013] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, wherein a V-shaped sealing ring, a wedge-shaped sealing ring and a trapezoidal sealing ring are arranged sequentially from top to bottom between the first cylinder body and the first plunger rod.

[0014] A hydraulic press according to the present invention, which is a coupling design of multi-directional forging and isothermal forging processes, further includes a tie rod assembly. The tie rod assembly includes a first tie rod, a second tie rod, and a third tie rod. The first tie rod is detachably connected to the first side beam, the first column, and the lower crossbeam. The second tie rod is detachably connected to the middle beam, the lower crossbeam, and the first column or the second column. The third tie rod is detachably connected to the second side beam, the second column, and the lower crossbeam.

[0015] The above-described one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: The hydraulic press designed with a coupling of multi-directional forging and isothermal forging processes according to embodiments of the present invention solves the problem of misalignment caused by uneven deformation due to uneven force in the prior art by setting three independent beams in the upper crossbeam assembly with a pre-reserved gap between each pair, thereby improving the reliability of the hydraulic press, avoiding the overall rework of large structural parts, saving energy, and extending the service life of the hydraulic press.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a side sectional view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0019] Figure 2 This is a side view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0020] Figure 3 This is a front view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0021] Figure 4 This is an enlarged view of the horizontal cylinder assembly of the hydraulic press, which features a coupled design of multi-directional forging and isothermal forging processes provided by this invention.

[0022] Figure 5 This invention provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes. Figure 3 Enlarged view of point A in the middle.

[0023] Figure 6 This is a top cross-sectional view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0024] Figure 7 This is an enlarged view of the central main cylinder of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0025] Figure 8 This is a partially enlarged view of the central main cylinder of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0026] Figure label: 1. Upper crossbeam assembly; 101. First side beam; 102. Second side beam; 103. Middle beam; 104. First gap; 105. Second gap; 2. Column; 201. First column; 202. Second column; 3. Side cylinder; 301. First side cylinder; 302. Second side cylinder; 4. Central master cylinder; 401. V-shaped sealing ring; 402. Wedge-shaped sealing ring; 403. Trapezoidal sealing ring; 404. First cylinder body; 405. First plunger rod; 406. Guide sleeve; 5. Lower crossbeam; 6. Horizontal cylinder assembly; 601. Horizontal cylinder; 6011. 6012, Horizontal cylinder body; 602, Horizontal cylinder plunger; 602, Perforated cylinder; 6021, Perforated cylinder body; 6022, Perforated cylinder plunger; 603, Horizontal cylinder tie rod; 7, Slider; 8, Leveling assembly; 801, Leveling beam; 8011, Slot; 8012, Leveling block; 802, Upper leveling cylinder; 803, Lower leveling cylinder; 804, Return cylinder; 9, Tie rod assembly; 901, First tie rod; 902, Second tie rod; 903, Third tie rod; 10, Worktable; 11, Mold; 12, Anti-deformation step; 13, Fourth tie rod. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention. The following embodiments are used to illustrate this invention but cannot be used to limit the scope of this invention.

[0028] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0030] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0032] In related technologies, there is a lack of multi-functional composite hydraulic presses that integrate hydraulic presses for die forging, isothermal forging, or multi-directional forging. For forgings that require multiple forging processes to form a single part, multiple forging hydraulic presses are needed, which not only occupy a large area but also have a complex operation process. To solve this problem, the upper crossbeam assembly is decomposed into three independent beams to ensure the stability of the upper crossbeam. At the same time, the horizontal cylinder assembly is placed on the outside of the column to reduce the size of the hydraulic press. The leveling beam in the isothermal forging process provides a function to resist the horizontal deformation of the column during multi-directional forging. Multiple force transmission steps are set between the column and the lower crossbeam. The force transmission steps have unequal width gaps in the horizontal direction, which optimizes the force flow path of the horizontal forging force and improves the uniformity of the force on the lower crossbeam under the action of the horizontal forging force, thereby ensuring the stability of the structure.

[0033] Figure 1This is a side sectional view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention. Figure 2 This is a side view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention. Figure 3 This is a front view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0034] This invention provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes, such as... Figures 1 to 3 As shown, the hydraulic press designed with coupled multi-directional forging and isothermal forging processes includes: an upper crossbeam assembly 1, a column 2, side cylinders 3, a central main cylinder 4, and a lower crossbeam 5; the upper crossbeam assembly 1 includes a first side beam 101, a second side beam 102, and a middle beam 103, the first side beam 101 and the second side beam 102 are disposed on both sides of the middle beam 103, a first gap 104 is provided between the first side beam 101 and the middle beam 103, and a second gap 105 is provided between the middle beam 103 and the second side beam 102; the central main cylinder 4 is fixedly disposed at the lower end of the middle beam 103, and the side cylinder 3 includes a first side cylinder The first side cylinder 301 and the second side cylinder 302 are fixedly mounted at the lower end of the first side beam 101 and the second side cylinder 302 are fixedly mounted at the lower end of the second side beam 102. The column 2 includes a first column 201 and a second column 202. The top end of the first column 201 is fixedly connected to the bottom end of the first side beam 101 and the middle beam 103. The top end of the second column 202 is fixedly connected to the bottom end of the second side beam 102 and the middle beam 103. The bottom ends of the first column 201 and the second column 202 are both fixedly connected to the lower crossbeam 5.

[0035] In this embodiment, by setting the three beams in the upper crossbeam assembly 1 to be independent of each other and leaving a gap between each pair, the problem of misalignment caused by uneven deformation due to uneven force in the prior art is solved, thereby improving the reliability of the hydraulic press, avoiding the overall rework of large structural components, saving energy, and extending the service life of the hydraulic press.

[0036] According to some embodiments of the present invention, the weight of each component such as the crossbeam of the hydraulic press is generally between 300 and 500 tons. Welding, processing and installation all challenge the limits of existing technology, and the costs of secondary disassembly, transportation, repair and installation are extremely high.

[0037] According to some embodiments of the present invention, the three beams in the upper crossbeam assembly 1 are independent of each other, with no positioning keys between any two beams, and are not connected to each other. There are no crossbeam tie rods to connect and lock the three beams together, and gaps are reserved between each pair of beams. The central master cylinder 4 is installed on the middle beam 103 of the upper crossbeam, and the central master cylinder 4 has no contact with the first side beam 101 and the second side beam 102.

[0038] According to some preferred embodiments of the present invention, there are two sets of the first side cylinder 301 and the second side cylinder 302. The two sets of the first side cylinder 301 are installed on the first side beam 101, and the two sets of the second side cylinder 302 are installed on the second side beam 102. Regardless of the process mode, each beam deforms independently without affecting the others.

[0039] According to some embodiments of the present invention, the vertical force operation of the hydraulic press can be divided into three working modes. In the first mode, the central main cylinder 4 presses up alone while the side cylinders 3 do not work. The pressure transmitted by the central main cylinder 4 is borne independently by the central beam 103, and the first side beam 101 and the second side beam 102 are not subjected to force. In the second mode, the first side cylinder 301 and the second side cylinder 302 press up simultaneously while the central main cylinder 4 does not work. The pressure transmitted by the first side beam 101 is borne by the first side cylinder 301, the second side beam 102 is borne by the second side cylinder 302, and the central beam 103 is not subjected to force. In the third mode, the central main cylinder 4, the first side cylinder 301, and the second side cylinder 302 press up simultaneously. The first side beam 101 independently bears the pressure transmitted by the two sets of first side cylinders 301, the central beam 103 independently bears the pressure transmitted by the central main cylinder 4, and the second side beam 102 independently bears the pressure transmitted by the two sets of second side cylinders 302.

[0040] Figure 4 This is an enlarged view of the horizontal cylinder assembly of the hydraulic press, which features a coupled design of multi-directional forging and isothermal forging processes provided by this invention.

[0041] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 4 As shown, the hydraulic press designed with multi-directional forging and isothermal forging processes also includes at least two sets of horizontal cylinder assemblies 6. The horizontal cylinder assemblies 6 are symmetrically arranged on both sides of the hydraulic press body. The direction of the horizontal cylinder assemblies 6 is the same as the direction of the first gap 104, and the horizontal cylinder assemblies 6 are fixedly connected to the first column 201 and the second column 202.

[0042] In this embodiment, the horizontal cylinder assembly 6 is located outside the column 2, which reduces the overall front-to-back dimensions of the machine while ensuring structural stability and saving material costs.

[0043] According to some embodiments of the present invention, horizontal cylinders 601 are symmetrically arranged on both sides of the hydraulic press body to realize the function of multi-directional forging.

[0044] According to some embodiments of the present invention, in order to ensure the quality of the forging, the horizontal cylinder assembly 6 is set in the same direction as the first gap 104. One side of the horizontal cylinder assembly 6 is fixedly connected to the first column 201, and the other side is fixedly connected to the second column 202, so as to ensure that the horizontal cylinder assembly 6 and the hydraulic press body are connected as a whole and to ensure the stability of the structure.

[0045] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 4 As shown, the horizontal cylinder assembly 6 includes a horizontal cylinder 601, a perforated cylinder 602, and a horizontal cylinder pull rod 603. One end of the horizontal cylinder pull rod 603 is connected to the cylinder body 6021 of the perforated cylinder, and the other end of the horizontal cylinder pull rod 603 is connected to a first column 201 or a second column 202. The cylinder body 6011 of the horizontal cylinder is fixedly connected to the cylinder body 6021 of the perforated cylinder. The plunger 6022 of the perforated cylinder passes through the plunger 6012 of the horizontal cylinder and is slidably connected to the plunger 6012 of the horizontal cylinder.

[0046] According to some preferred embodiments of the present invention, the cylinder body of the perforated cylinder 602 adopts an integrated cylinder beam structure to ensure structural stability.

[0047] According to some embodiments of the present invention, the horizontal cylinder rod 603 on one side of the horizontal cylinder assembly 6 is fixedly connected to the first column 201, and the horizontal cylinder rod 603 on the other side is fixedly connected to the second column 202, thereby realizing the fixed connection between the horizontal cylinder assembly 6 and the machine body.

[0048] According to some preferred embodiments of the present invention, the inner distance between the first column 201 and the second column 202 is less than the outer diameter of the horizontal cylinder 601.

[0049] According to some embodiments of the present invention, the diameters of the plunger 6012 of the horizontal cylinder and the plunger 6022 of the perforated cylinder are smaller than the inner distance between the first column 201 and the second column 202.

[0050] According to some preferred embodiments of the present invention, the top end of the plunger 6012 of the horizontal cylinder is connected to a sliding member.

[0051] According to some preferred embodiments of the present invention, the top end of the plunger 6022 of the piercing cylinder is connected to a lead screw, which passes through the slider 7 and the mold 11 for forging piercing.

[0052] According to some preferred embodiments of the present invention, the cylinder body 6021 of the perforated cylinder and the cylinder body 6011 of the horizontal cylinder are connected by screws.

[0053] Figure 5 This invention provides a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes. Figure 3 Enlarged view of point A in the middle.

[0054] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figure 3 and Figure 5As shown, a force transmission step is provided between the first column 201 and the second column 202 and the lower crossbeam 5. The force transmission step has a step gap in the horizontal direction. The gap value of the step gap near the center of the lower crossbeam 5 is greater than the gap value far away from the center of the lower crossbeam 5.

[0055] In this embodiment, multiple force transmission steps are set between the first column 201 and the second column 202 and the lower crossbeam 5. The force transmission steps have unequal width gaps in the horizontal direction, which optimizes the force flow path of the horizontal forging force and improves the uniformity of the force on the lower crossbeam 5 under the action of the horizontal forging force.

[0056] According to some embodiments of the present invention, in order to bear the horizontal force provided by the horizontal cylinder assembly 6 during multi-directional forging, force transmission steps are provided between the first column 201 and the second column 202 and the upper crossbeam assembly 1 and the lower crossbeam 5.

[0057] According to some preferred embodiments of the present invention, the first column 201 and the second column 202 are provided with a force transmission step with the upper crossbeam assembly 1.

[0058] According to some preferred embodiments of the present invention, since the horizontal cylinder assembly 6 is close to the lower crossbeam 5, the first column 201 and the second column 202 are provided with n force transmission steps to the lower crossbeam 5, with clearance values ​​of K1, K2...K from the center of the lower crossbeam outwards. n K1>K2>……>K n When the horizontal cylinder 601 is working, due to the stiffness K of each step of the lower crossbeam 5... n <...<K2<K1, the weakest part deforms first, and the gaps between the steps start from K... n The circuits close sequentially up to K1, and the force flows from K... n The diffusion continues sequentially up to K1.

[0059] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 5 As shown, the central master cylinder 4 includes a first cylinder body 404 and a first plunger rod 405, the first cylinder body 404 and the first plunger rod 405 being slidably connected; the first side cylinder 301 includes a second cylinder body and a second plunger rod, the second cylinder body and the second plunger rod being slidably connected; and the second side cylinder 302 includes a third cylinder body and a third plunger rod, the third cylinder body and the third plunger rod being slidably connected.

[0060] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 5As shown, the hydraulic press designed with multi-directional forging and isothermal forging processes also includes a slider 7 and a worktable 10. The upper surface of the slider 7 is fixedly connected to the lower ends of the first plunger rod 405, the second plunger rod, and the third plunger rod. The worktable 10 is installed on the upper surface of the lower crossbeam 5. A mold 11 is provided between the slider 7 and the worktable 10.

[0061] In this embodiment, by setting up a workbench 10 to support the mold 11, damage to the lower crossbeam 5 is avoided, which would affect the normal operation of the hydraulic press.

[0062] Figure 6 This is a top cross-sectional view of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0063] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 6 As shown, the hydraulic press designed with multi-directional forging and isothermal forging processes also includes a leveling assembly 8. The leveling assembly 8 includes a leveling beam 801, an upper leveling cylinder 802, and a lower leveling cylinder 803. The leveling beam 801 is installed on the front and rear sides of the slider 7 through a slot 8011. The leveling beam 801 is fixedly connected to the slider 7 through a fourth tie rod 13. The cylinder body of the upper leveling cylinder 802 is installed on the first side beam 101 or the second side beam 102. The plunger of the upper leveling cylinder 802 is connected to the upper plane of the leveling beam 801. The cylinder body of the lower leveling cylinder 803 is installed on the first column 201 or the second column 202. The plunger of the lower leveling cylinder 803 is connected to the lower plane of the leveling beam 801.

[0064] In this embodiment, during the isothermal forging process, the leveling beam 801 is adjusted by setting the upper leveling cylinder 802 and the lower leveling cylinder 803 to achieve the calibration of the slider 7, thereby ensuring the quality of the forging; during the multi-directional forging process, the leveling beam 801 used in the isothermal forging process also has the function of resisting the horizontal deformation of the column 2, realizing the coupling of the multi-directional forging process and the isothermal forging process in the machine body structure design.

[0065] According to some embodiments of the present invention, anti-deformation steps 12 are provided on the outer surfaces of the first column 201 and the second column 202. The anti-deformation steps 12 are fixedly connected to the first column 201 and the second column 202. Preferably, the anti-deformation steps 12 are welded to the first column 201 and the second column 202.

[0066] According to some embodiments of the present invention, the slot 8011 of the leveling beam 801 is in sliding engagement with the anti-deformation step 12.

[0067] According to some preferred embodiments of the present invention, the length of the anti-deformation step 12 is greater than the range of vertical movement of the leveling beam 801.

[0068] According to some preferred embodiments of the present invention, a gap X, X=1~2mm, is reserved between the slot 8011 and the anti-deformation step 12. When the slider 7 moves down to close the mold but the horizontal cylinder 601 is not working, X is in a gap state. When multi-directional forging is performed, that is, when the horizontal cylinder 601 is working, it drives the column 2 to bend and deform outward, the gap X becomes 0, and prevents the column 2 from continuing to bend and deform outward.

[0069] According to some embodiments of the present invention, the leveling beam 801 is fixedly connected to the slider 7 via the fourth tie rod 13.

[0070] According to some preferred embodiments of the present invention, the leveling beam 801 further includes a leveling block 8012, which cooperates with the slider 7 to facilitate rapid and accurate calibration of the slider 7.

[0071] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 6 As shown, the leveling assembly 8 also includes a return cylinder 804, the cylinder body of which is mounted on the first column 201 or the second column 202, and the plunger of the return cylinder 804 is connected to the lower plane of the leveling beam 801.

[0072] In this embodiment, by setting a return cylinder 804, power is provided for the return stroke of the hydraulic cylinder, and the slider 7 resets to enter the next cycle, thereby improving work efficiency.

[0073] Figure 7 This is an enlarged view of the central main cylinder of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention; Figure 8 This is a partially enlarged view of the central main cylinder of the hydraulic press with a coupled design of multi-directional forging and isothermal forging processes provided by the present invention.

[0074] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 8 As shown, a V-shaped sealing ring 401, a wedge-shaped sealing ring 402, and a trapezoidal sealing ring 403 are sequentially arranged between the first cylinder body 404 and the first plunger rod 405 from top to bottom.

[0075] In this embodiment, the central main cylinder 4 adopts a wedge-shaped sealing gap compensation structure. When the expansion deformation value of the ultra-large cylinder body is greater than the allowable expansion value of the V-shaped sealing ring 401, and the V-shaped sealing ring 401 can no longer meet the sealing function, the wedge-shaped sealing gap compensation structure can prevent oil leakage, play a role in sealing gap compensation, and improve the sealing effect.

[0076] According to some preferred embodiments of the present invention, the diameter of the central master cylinder 4 is greater than 2400mm.

[0077] According to some embodiments of the present invention, the central master cylinder 4 adopts a sealing gap compensation structure, including a wedge-shaped sealing ring 402 and a trapezoidal sealing ring 403. When the master cylinder body is subjected to internal high pressure, it expands and deforms outward. The expansion deformation value of the cylinder body is greater than the allowable expansion value of the V-shaped sealing ring 401. At this time, the wedge-shaped sealing ring 402 in the sealing gap compensation structure moves towards the cylinder port under the squeezing action of the V-shaped sealing ring 401. During the movement, it will generate a squeezing force on the trapezoidal sealing ring 403. This squeezing force causes the trapezoidal sealing ring 403 to move towards both the cylinder port and the center of the cylinder at the same time. The movement towards the center of the cylinder will cause the trapezoidal sealing ring 403 to come into close contact with the master cylinder plunger rod, preventing oil leakage and achieving the sealing gap compensation effect.

[0078] According to some preferred embodiments of the present invention, a guide sleeve 406 is provided between the first cylinder body 404 and the first plunger rod 405. The guide sleeve 406 is located at the upper end of the V-shaped sealing ring 401, which is suitable for reducing the collision between the first cylinder body 404 and the first plunger rod 405 and improving the service life of the central master cylinder 4.

[0079] According to the present invention, a hydraulic press with a coupled design of multi-directional forging and isothermal forging processes is provided, such as... Figures 1 to 3 As shown, the hydraulic press designed with multi-directional forging and isothermal forging processes also includes a tie rod assembly 9. The tie rod assembly 9 includes a first tie rod 901, a second tie rod 902, and a third tie rod 903. The first tie rod 901 is detachably connected to the first side beam 101, the first column 201, and the lower crossbeam 5. The second tie rod 902 is detachably connected to the middle beam 103, the lower crossbeam 5, and the first column 201 or the second column 202. The third tie rod 903 is detachably connected to the second side beam 102, the second column 202, and the lower crossbeam 5.

[0080] In this embodiment, the upper crossbeam assembly 1, the column 2, and the lower crossbeam 5 are locked with nuts by setting the first tie rod 901, the second tie rod 902, and the third tie rod 903, thus pre-tightening the upper crossbeam assembly 1, the column 2, and the lower crossbeam 5 into a prestressed frame.

[0081] The technical solution of the present invention will be further explained below with reference to a specific embodiment. It should be noted that the specific embodiment is only for the purpose of enabling those skilled in the art to better understand the technical solution of the present invention, and should not be regarded as an unreasonable limitation on the scope of protection of the present invention.

[0082] Example 1 Before the hydraulic press operates in vertical force, it is leveled by the leveling assembly. When the hydraulic press operates in vertical force, the central main cylinder, the first side cylinder, and the second side cylinder provide power to drive the slider to move downward to forge the workpiece. After forging, the return cylinder drives the slider back to the initial position. When the hydraulic press operates in horizontal force, the horizontal cylinder provides power to drive the slider set at the front end of the horizontal cylinder assembly to move back and forth to forge the workpiece.

[0083] The hydraulic press of this invention, which couples multi-directional forging and isothermal forging processes, has the following technical advantages compared to the prior art: (1) The three beams in the upper crossbeam assembly are independent of each other, with no positioning keys between each pair, and no connection between each pair. There are no crossbeam tie rods to connect and lock the three beams, and gaps are reserved between each pair. The central main cylinder is installed on the middle beam of the upper crossbeam, and the central main cylinder has no contact with the first side beam and the second side beam. There are four sets of side cylinders in total. The first two sets are installed on the first side beam, and the last two sets are installed on the second side beam. Regardless of the process mode, each crossbeam deforms independently without affecting each other. This new combined crossbeam structure design avoids the problems of misalignment and abnormal noise caused by different deformation degrees of each beam in the existing technology, and the deformation and damage of positioning keys due to long-term load. It significantly improves the reliability and service life of the whole machine and completely avoids the hidden danger of secondary repair of large structural components in the later stage.

[0084] (2) The horizontal cylinder body in the horizontal cylinder assembly is located outside the column. The distance between the inner sides of the first column and the second column can be less than the outer diameter of the horizontal cylinder body. The perforated cylinder body adopts an integrated cylinder beam structure, which significantly reduces the overall dimensions of the machine in the front and rear directions and saves material costs.

[0085] (3) Multiple force transmission steps are set between the first and second columns and the lower crossbeam. The force transmission steps have unequal gaps in the horizontal direction, which optimizes the force flow path of the horizontal forging force and improves the uniformity of the force on the lower crossbeam under the action of the horizontal forging force.

[0086] (4) The leveling beam used in the isothermal forging process has the function of resisting the horizontal deformation of the column during the multi-directional forging process, realizing the coupling of multi-directional forging process and isothermal forging process in the fuselage structure design.

[0087] (5) The central main cylinder adopts a wedge-shaped sealing gap compensation structure. When the expansion deformation value of the cylinder body of the ultra-large oil cylinder is greater than the allowable expansion value of the V-shaped sealing ring, the V-shaped sealing ring can no longer meet the sealing function. The wedge-shaped sealing gap compensation structure can prevent oil leakage and achieve the sealing gap compensation effect.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hydraulic press with a coupled design of multi-directional forging and isothermal forging processes, characterized in that, include: Upper crossbeam assembly, column, side cylinder, center master cylinder and lower crossbeam; The upper crossbeam assembly includes a first side beam, a second side beam, and a middle beam. The first side beam and the second side beam are disposed on both sides of the middle beam. A first gap is provided between the first side beam and the middle beam, and a second gap is provided between the middle beam and the second side beam. The central main cylinder is fixedly installed at the lower end of the middle beam. The side cylinder includes a first side cylinder and a second side cylinder. The first side cylinder is fixedly installed at the lower end of the first side beam, and the second side cylinder is fixedly installed at the lower end of the second side beam. The column includes a first column and a second column. The top of the first column is fixedly connected to the bottom of the first side beam and the middle beam. The top of the second column is fixedly connected to the bottom of the second side beam and the middle beam. The bottom of both the first column and the bottom of the second column are fixedly connected to the lower crossbeam.

2. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 1, characterized in that, It also includes at least two sets of horizontal cylinder assemblies, which are symmetrically arranged on the outside of the first column and the second column. The horizontal cylinder assemblies are arranged in the same direction as the first gap, and the horizontal cylinder assemblies are fixedly connected to the first column and the second column.

3. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 2, characterized in that, The horizontal cylinder assembly includes a horizontal cylinder, a perforated cylinder, and a horizontal cylinder tie rod. One end of the horizontal cylinder tie rod is connected to the cylinder body of the perforated cylinder, and the other end of the horizontal cylinder tie rod is connected to a first column or a second column. The cylinder body of the horizontal cylinder is fixedly connected to the cylinder body of the perforated cylinder, and the plunger of the perforated cylinder passes through the plunger of the horizontal cylinder and is slidably connected to the plunger of the horizontal cylinder.

4. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 2, characterized in that, A force transmission step is provided between the first column and the second column and the lower crossbeam. The force transmission step has a step gap in the horizontal direction. The gap value of the step gap near the center of the lower crossbeam is greater than the gap value far away from the center of the lower crossbeam.

5. The hydraulic press with coupled multi-directional forging and isothermal forging processes according to claim 1, characterized in that, The central master cylinder includes a first cylinder body and a first plunger rod, the first cylinder body and the first plunger rod being slidably connected. The first side cylinder includes a second cylinder body and a second plunger rod, the second cylinder body and the second plunger rod being slidably connected. The second side cylinder includes a third cylinder body and a third plunger rod, the third cylinder body and the third plunger rod being slidably connected.

6. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 5, characterized in that, It also includes a slider and a worktable. The upper surface of the slider is fixedly connected to the lower ends of the first plunger rod, the second plunger rod, and the third plunger rod. The worktable is installed on the upper surface of the lower crossbeam. A mold is provided between the slider and the worktable.

7. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 6, characterized in that, It also includes a leveling assembly, which includes a leveling beam, an upper leveling cylinder, and a lower leveling cylinder. The leveling beam is installed on the front and rear sides of the slider through a slot, and the leveling beam is fixedly connected to the slider through a fourth pull rod. The cylinder body of the upper leveling cylinder is installed on the first side beam or the second side beam, and the plunger of the upper leveling cylinder is connected to the upper plane of the leveling beam. The cylinder body of the lower leveling cylinder is installed on the first column or the second column, and the plunger of the lower leveling cylinder is connected to the lower plane of the leveling beam.

8. The hydraulic press with coupled multi-directional forging and isothermal forging processes as described in claim 7, characterized in that, The leveling assembly also includes a return cylinder, the cylinder body of which is mounted on the first column or the second column, and the plunger of which is connected to the lower plane of the leveling beam.

9. The hydraulic press with coupled multi-directional forging and isothermal forging processes according to claim 5, characterized in that, A V-shaped sealing ring, a wedge-shaped sealing ring, and a trapezoidal sealing ring are sequentially arranged between the first cylinder body and the first plunger rod from top to bottom.

10. The hydraulic press with coupled multi-directional forging and isothermal forging processes according to claim 1, characterized in that, It also includes a tie rod assembly, which includes a first tie rod, a second tie rod, and a third tie rod. The first tie rod is detachably connected to the first side beam, the first column, and the lower crossbeam. The second tie rod is detachably connected to the middle beam, the lower crossbeam, and the first column or the second column. The third tie rod is detachably connected to the second side beam, the second column, and the lower crossbeam.

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