Hydraulic press workbench moving mechanism and hydraulic press

Abstract

The utility model relates to the technical field of hydraulic presses, and provides a hydraulic press working table moving mechanism and a hydraulic press, the hydraulic press working table moving mechanism comprises a telescopic cylinder, a front sliding block, a middle sliding block and a rear sliding block, the telescopic end of the telescopic cylinder is used for being connected with a machine body of the hydraulic press; the front sliding block and the rear sliding block are connected to the two ends of a cylinder body of the telescopic cylinder respectively, the middle sliding block comprises an upper block body and a lower block body which are detachably connected, and the upper block body and the lower block body are connected to the cylinder body in an embracing mode after being connected and located between the front sliding block and the rear sliding block. The front sliding block, the middle sliding block and the rear sliding block are used for being connected with the machine body in a sliding mode, and the front sliding block is used for being connected with a workbench of the hydraulic press. The hydraulic press working table moving mechanism is simple in structure and convenient to operate, maintenance convenience of the hydraulic press working table moving mechanism is improved, cost is saved, and stability and reliability of overall operation are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pressure machine technical field, specifically, relate to a water pressure machine workstation moving mechanism and water pressure machine. BACKGROUND

[0002] Water pressure machine is a kind of using liquid pressure, that is, high-pressure water to transmit energy, to realize the machining or forming etc. Operation of workpiece mechanical equipment, for example, large high-pressure free forging water pressure machine is used for the heavy mechanical equipment of metal free forging, its workstation is generally equipped with connecting pin shaft and the mechanism of horizontal reciprocating movement is connected, and the horizontal linear reciprocating motion of workbench is driven by moving mechanism, to meet the processing needs.

[0003] And for the workstation of for example large high-pressure free forging water pressure machine, due to its large load, and with the lapse of time, stress change is complex, leading to the sliding contact surface of moving mechanism and water pressure machine body wears quickly, leading to the increase of failure rate, and in the maintenance and repair process, the moving mechanism or other mechanisms and components around it are disassembled, and the replacement or repair of parts can be carried out, inconvenient operation, and waste production cost, reduce production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model relates to the technical problems to be solved are: how to improve the maintenance and repair convenience of water pressure machine workstation moving mechanism.

[0005] The utility model provides a water pressure machine workstation moving mechanism, including telescopic cylinder, front sliding block, intermediate sliding block and rear sliding block, the telescopic end of telescopic cylinder is used for connecting with the body of water pressure machine, the front sliding block and the rear sliding block are connected to the both ends of the cylinder body of telescopic cylinder, the intermediate sliding block includes detachably connected upper block and lower block, the upper block and the lower block are connected and are embraced to the cylinder body, and are located between the front sliding block and the rear sliding block, the front sliding block, the intermediate sliding block and the rear sliding block are used for sliding connection with the body respectively, and the front sliding block is used for connecting the workstation of water pressure machine.

[0006] Optionally, the telescopic cylinder includes side telescopic cylinder and intermediate telescopic cylinder, two side telescopic cylinders are arranged at the opposite sides of intermediate telescopic cylinder respectively, and the side telescopic cylinder and the intermediate telescopic cylinder are arranged in opposite directions.

[0007] Optionally, the connecting surface of the upper block and the lower block is respectively correspondingly provided with recess, and the recess is respectively correspondingly with the side telescopic cylinder and the intermediate telescopic cylinder.

[0008] Optionally, the intermediate sliding block further comprises a bolt, the upper block body is provided with a connecting through hole, the lower block body is provided with a threaded hole, and the bolt is threadedly connected to the threaded hole through the connecting through hole.

[0009] Optionally, the intermediate sliding block further comprises a positioning pin, and the connecting surfaces of the upper block body and the lower block body are respectively provided with a positioning groove matched with the positioning pin.

[0010] Optionally, the sliding ends of the front sliding block, the intermediate sliding block and the rear sliding block, which are slidably connected to the machine body, are provided with a stepped structure.

[0011] Optionally, the stepped structure of the intermediate sliding block is provided with a mounting hole, and the mounting hole is used for mounting a sliding lining plate.

[0012] Optionally, the front sliding block is provided with a connecting hole in a direction perpendicular to a horizontal plane, the connecting hole is used for connecting a connecting pin shaft of the workbench, and a shaft sleeve is connected in the connecting hole.

[0013] Optionally, the telescopic cylinder is a water pressure cylinder.

[0014] Compared with the prior art, the water pressure machine workbench moving mechanism has the following technical effects:

[0015] The water pressure machine workbench moving mechanism can be applied to a water pressure machine, for example, a moving mechanism for driving the workbench of a large high-pressure free forging water pressure machine. The telescopic cylinder connected to the machine body of the water pressure machine, and the front sliding block, the intermediate sliding block and the rear sliding block connected to the telescopic cylinder are provided, and the three sliding blocks are slidably connected to the machine body. The telescopic action of the telescopic cylinder can drive the three sliding blocks to slide horizontally on the machine body. The front sliding block is connected to the workbench, thereby driving the workbench to move horizontally relative to the machine body. The three sliding blocks support the horizontal movement, thereby stably driving and guiding the movement of the workbench. The structure is stable and reliable. In particular, the intermediate sliding block is arranged between the front sliding block and the rear sliding block, thereby further improving the support capacity and the stability and reliability of the moving mechanism. In addition, the intermediate sliding block is arranged as an upper block body and a lower block body which are detachably connected. The upper block body and the lower block body are stably connected to the telescopic cylinder after being connected, and can move horizontally. The upper block body and the lower block body can be disassembled for replacement or maintenance, and the remaining parts of the moving mechanism do not need to be disassembled, thereby facilitating the maintenance and repair of the water pressure machine workbench moving mechanism, saving costs, and improving the stability and reliability of the overall operation.

[0016] In addition, the utility model further provides a water pressure machine, including above-mentioned water pressure machine workbench moving mechanism.

[0017] Compared with the prior art, the water pressure machine has the technical effects same as the water pressure machine workbench moving mechanism, and details are not repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the water pressure machine workbench moving mechanism of the utility model embodiment;

[0019] Figure 2 It is a top view structural schematic diagram of the water pressure machine workbench moving mechanism of the utility model embodiment;

[0020] Figure 3 It is a side view structural schematic diagram of the intermediate sliding block in the utility model embodiment;

[0021] Figure 4 It is a top view structural schematic diagram of the utility model embodiment; Figure 3

[0022] Figure 5 It is a sectional view structural schematic diagram of the upper block of the utility model embodiment;

[0023] Figure 6 It is a sectional view structural schematic diagram of the lower block of the utility model embodiment.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 10-front sliding block, 11-connection hole, 20-upper block, 21-connection through hole, 22-upper positioning groove, 23-upper positioning hole, 30-lower block, 31-threaded hole, 32-lower positioning groove, 33-lower positioning hole, 40-rear sliding block, 50-lateral telescopic cylinder, 60-intermediate telescopic cylinder, 70-bolt, 80-step structure, 81-mounting hole. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein.

[0028] ​In the description of the utility model, adopt "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "internal" and "external" and the like indication orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model, and it is not indicated or implied that the device must have a particular orientation, a particular orientation structure and control, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0029] In the description of the utility model, it is necessary to explain that, unless otherwise explicitly provided and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, and it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] In the description of the specification, the description of the terms "embodiment", "one embodiment" and "one embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or embodiment are contained in at least one embodiment or embodiment of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or embodiment.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or embodiments in a suitable manner.

[0031] To solve the above technical problems, as Figures 1 to 3 The utility model discloses a water pressure machine workstation moving mechanism, including telescopic cylinder, front sliding block 10, intermediate sliding block and rear sliding block 40, the telescopic end of telescopic cylinder is used to connect with the body of water pressure machine, front sliding block 10 and rear sliding block 40 are connected to the both ends of the cylinder body of telescopic cylinder respectively, the intermediate sliding block includes detachable connection's upper block 20 and lower block 30, the upper block 20 and the lower block 30 are connected and are embraced to the cylinder body, and are located between front sliding block 10 and rear sliding block 40, front sliding block 10, the intermediate sliding block and rear sliding block 40 are used for sliding connection with the body respectively, and front sliding block 10 is used for connecting the workstation of water pressure machine.

[0032] It should be noted that the telescopic cylinder can be an electric telescopic cylinder or a hydraulic telescopic cylinder, of course, the water pressure machine is also provided with a power source corresponding thereto, such as a power source or a hydraulic source, as long as the front sliding block 10, the middle sliding block and the rear sliding block 40 can be driven to move horizontally reciprocatingly by the telescopic action of the telescopic cylinder, which is not limited here. Of course, the front sliding block 10 and the rear sliding block 40 are determined according to the actual installation position, that is, in some embodiments, the workbench can also be connected through the rear sliding block 40. Among them, the front sliding block 10, the middle sliding block and the rear sliding block 40 are slidingly connected with the body of the water pressure machine, corresponding slide rails or slide structures can be arranged on the body to match the ends of the front sliding block 10, the middle sliding block and the rear sliding block 40, so as to ensure the stability and reliability of the sliding connection. At the same time, the middle sliding block is detachably connected by the upper block body 20 and the lower block body 30, and after being connected, it is clamped on the telescopic cylinder. The detachable connection can be realized by thread connection or clamping, as long as it can be conveniently connected and detached, which is not limited here. In addition, the setting of the middle sliding block is equivalent to increasing the length of the force arm of the front sliding block 10 and the rear sliding block 40 after the sliding connection with the body of the water pressure machine, and increasing the stress area, and the structure is more stable and reliable.

[0033] In the embodiment, the water pressure machine workbench moving mechanism provided by the embodiment can be applied to a water pressure machine, such as a moving mechanism for driving the workbench of a large high-pressure free forging water pressure machine. The telescopic cylinder connected with the body of the water pressure machine is provided, and the front sliding block 10, the middle sliding block and the rear sliding block 40 are respectively connected with the telescopic cylinder, and the three sliding blocks are slidingly connected with the body. Then, the telescopic action of the telescopic cylinder can drive the three sliding blocks to slide horizontally on the body, and the front sliding block 10 can be connected with the workbench to drive the workbench to move horizontally relative to the body. The three sliding blocks support the horizontal movement of the workbench, which can stably drive and guide the movement of the workbench. The structure is stable and reliable. In particular, the middle sliding block is arranged between the front sliding block 10 and the rear sliding block 40, which further improves the supporting capacity and the stability and reliability of the moving mechanism. At the same time, the middle sliding block is set as the upper block body 20 and the lower block body 30 which are detachably connected. After the connection of the upper block body 20 and the lower block body 30, the upper block body 20 and the lower block body 30 can be stably clamped on the telescopic cylinder and can move horizontally, which plays a supporting and guiding role. Moreover, when the wear occurs after a long time of operation, only the upper block body 20 and the lower block body 30 need to be disassembled for replacement or maintenance, and the remaining parts of the moving mechanism do not need to be disassembled, which is convenient to operate and improves the convenience of maintenance and repair of the water pressure machine workbench moving mechanism, saves cost, and enhances the stability and reliability of the overall operation.

[0034] Specifically, as Figure 2As shown, the front slider 10 has a connecting hole 11 along a direction perpendicular to the horizontal plane. The connecting hole 11 is used to connect the connecting pin of the worktable, and a bushing is connected inside the connecting hole 11.

[0035] Preferably, the bushing is a steel bushing, making the structure more robust and reliable. Furthermore, the intermediate slider is attached to the telescopic cylinder near the front slider 10. Since the front slider 10 is connected to the connecting pin of the worktable, it bears not only horizontal torque but also bending moment transmitted by the connecting pin during horizontal movement. By attaching the intermediate slider to the telescopic cylinder near the front slider 10, the bearing arm and force-bearing area of ​​the front slider 10 are extended, preventing potential tipping or other instability in the entire moving mechanism, thus making the structure more stable and reliable.

[0036] In this embodiment, by opening a connecting hole 11 in the direction perpendicular to the horizontal plane in the front slider 10, it is easy to connect with the vertical connecting pin of the worktable, thereby facilitating the horizontal movement of the worktable. At the same time, by connecting a bushing inside the connecting hole 11, it is possible to prevent the connecting hole 11 from deforming due to collision and wear with the connecting pin during long-term use. During maintenance and repair, only the bushing needs to be replaced, which further improves the convenience of maintenance and repair.

[0037] Specifically, such as Figure 2 As shown, the telescopic cylinder is a hydraulic cylinder.

[0038] Preferably, the telescopic cylinder is connected to the high-pressure water pump of the hydraulic press. The telescopic cylinder has a cylinder body and a piston. The end of the piston is connected to the body of the hydraulic press. The cylinder body moves horizontally through the extension and retraction of the piston. The front slider 10, the middle slider and the rear slider 40 are respectively connected to the cylinder body of the telescopic cylinder, thereby driving the front slider 10, the middle slider and the rear slider 40 to move horizontally.

[0039] In this embodiment, by setting the telescopic cylinder as a hydraulic cylinder, the high-pressure water pump of the hydraulic press can be conveniently used without the need for an external power source. The structure is reasonable and easy to use.

[0040] Optionally, such as Figure 2 As shown, the telescopic cylinder includes a side telescopic cylinder 50 and a middle telescopic cylinder 60. The two side telescopic cylinders 50 are respectively disposed on opposite sides of the middle telescopic cylinder 60, and the side telescopic cylinders 50 and the middle telescopic cylinder 60 are arranged in opposite directions.

[0041] Specifically, the pistons of the side telescopic cylinders 50 on both sides are positioned facing to the right, and the pistons of the side telescopic cylinders 50 are connected to the machine body. When pressure is applied to the side telescopic cylinders 50, the pistons extend, thereby pushing the cylinder body of the side telescopic cylinders 50 towards the right. Figure 2The middle left side moves, and in turn drives the workbench to move towards the left side. Correspondingly, the piston of the middle telescopic cylinder 60 is arranged towards the right side and is connected with the machine body. When the middle telescopic cylinder 60 is pressurized, the cylinder body of the middle telescopic cylinder 60 is driven to move towards the right side, and in turn drives the workbench to move towards the right side, so as to realize the horizontal reciprocating movement of the workbench.

[0042] In the embodiment, the two side telescopic cylinders 50 are arranged on both sides of the middle telescopic cylinder 60, and the side telescopic cylinders 50 and the middle telescopic cylinder 60 are arranged in opposite directions, that is, the directions of the telescopic ends are opposite, so as to facilitate the reliable operation of the workbench moving in the horizontal direction, for example, left and right. The horizontal reciprocating movement of the workbench can be realized by cooperation of the side telescopic cylinders 50 and the middle telescopic cylinder 60, and the structure is reasonable and reliable.

[0043] Optionally, as shown in FIG. Figure 3 The connecting surfaces of the upper block 20 and the lower block 30 are respectively provided with grooves corresponding to the side telescopic cylinders 50 and the middle telescopic cylinder 60.

[0044] Specifically, the upper block 20 and the lower block 30 are respectively provided with three semicircular grooves, and the three grooves form a clamping circular hole after being connected, which can clamp the two side telescopic cylinders 50 and the middle telescopic cylinder 60, and the connection is more stable and reliable.

[0045] In the embodiment, the grooves corresponding to the side telescopic cylinders 50 and the middle telescopic cylinder 60 are respectively provided on the connecting surfaces of the upper block 20 and the lower block 30. After the upper block 20 and the lower block 30 are connected, the grooves at the corresponding positions can tightly and reliably clamp the side telescopic cylinders 50 and the middle telescopic cylinder 60, so that the connection structure is more stable and reliable.

[0046] Optionally, as shown in FIG. Figures 2 to 6 The middle sliding block further comprises a bolt 70, the upper block 20 is provided with a connecting through hole 21, the lower block 30 is provided with a threaded hole 31, and the bolt 70 is threadedly connected to the threaded hole 31 through the connecting through hole 21.

[0047] Specifically, the number of the bolts 70 can be set according to actual needs. Correspondingly, the number of the connecting through holes 21 on the upper block 20 and the threaded holes 31 on the lower block 30 corresponds to the number of the bolts 70. The connecting through holes 21 are generally provided at both ends of the upper block 20 and the lower block 30 and between adjacent semicircular grooves. In addition, the connecting through holes 21 are countersunk hole structures, which can prevent the bolts 70 from interfering or colliding with other components, and further ensure the connection stability of the upper block 20 and the lower block 30.

[0048] In the embodiment, by opening the connecting through hole 21 on the upper block 20, opening the threaded hole 31 on the lower block, and connecting by the bolt 70, not only the connection stability of the upper block 20 and the lower block 30 can be ensured, but also the threaded connection is convenient for installation and disassembly, and the convenience of maintenance and repair is further improved.

[0049] Optionally, as shown in Figure 5 and Figure 6 , the intermediate sliding block further comprises a positioning pin, and the connecting surfaces of the upper block 20 and the lower block 30 are respectively provided with a positioning groove matched with the positioning pin.

[0050] Specifically, the upper block 20 is provided with an upper positioning groove 22, and the lower block 30 is provided with a lower positioning groove 32 at a corresponding position. When the upper block 20 and the lower block 30 are connected, the positioning pin is inserted into the upper positioning groove 22 and the lower positioning groove 32 at the same time, so as to ensure the accuracy and reliability of the connection of the upper block 20 and the lower block 30. Further, the upper block 20 is further provided with an upper positioning hole 23 for positioning or connecting with the telescopic cylinder, and the lower block 30 is further provided with a lower positioning hole 33 for positioning or connecting with the telescopic cylinder, so as to facilitate accurate alignment and connection with the telescopic cylinder. Of course, the number and opening positions of the upper positioning groove 22, the lower positioning groove 32, the upper positioning hole 23 and the lower positioning hole 33 can be designed according to actual needs, which are not limited here.

[0051] In the embodiment, the connecting surfaces of the upper block 20 and the lower block 30 are respectively provided with a positioning groove, and the positioning pin is matched therewith. When the upper block 20 and the lower block 30 are aligned and connected, the positioning groove and the positioning pin can be used as a positioning structure to accurately align and connect the two, which is convenient to operate, and can also make up for the connection gap that may exist when the bolt 70 is connected, so that the connection of the upper block 20 and the lower block 30 is more reliable and stable.

[0052] Optionally, as shown in Figures 1 to 4 , the sliding end of the front sliding block 10, the intermediate sliding block and the rear sliding block 40 respectively connected with the machine body is provided with a stepped structure 80.

[0053] Specifically, the shape and size of the stepped structure 80 can be set according to the slide rail or slide on the machine body of the hydraulic press, and the stepped structure 80 of the intermediate sliding block is provided on the sliding end of the upper block 20 and the lower block 30, which further ensures the stability of the sliding connection and operation.

[0054] In the embodiment, the stepped structure 80 is provided on the sliding end of the front sliding block 10, the intermediate sliding block and the rear sliding block 40 respectively connected with the machine body. The stepped structure can not only limit the movement of the front sliding block 10, the intermediate sliding block and the rear sliding block 40, but also can prevent the front sliding block 10, the intermediate sliding block and the rear sliding block 40 from moving out of the machine body, which is convenient and safe. Figure 3The intermediate sliding block can limit the shaking in the left-right direction, and can limit the shaking in the up-down direction of the device, so that the overall operation is more stable and reliable.

[0055] Optionally, as shown in the figure, the step structure 80 of the intermediate sliding block is provided with a mounting hole 81. Figures 2 to 6

[0056] Specifically, the number of the mounting holes 81 is multiple, and the opening position and the number can be set according to actual needs, which is not limited here.

[0057] In this embodiment, the mounting hole 81 is provided on the step structure 80 of the intermediate sliding block, and the sliding lining plate can be installed through the mounting hole 81. On the one hand, the sliding smoothness of the intermediate sliding block relative to the body of the hydraulic press can be improved, and on the other hand, after the sliding wear occurs, only the sliding lining plate needs to be replaced, which is not only convenient for the operation of maintenance and repair, but also saves the cost.

[0058] In addition, another embodiment of the utility model provides a hydraulic press, including the above-mentioned hydraulic press workbench moving mechanism.

[0059] Exemplarily, the hydraulic press is a large high-pressure free forging hydraulic press.

[0060] In this embodiment, the hydraulic press provided by the embodiment has the technical effects similar to those of the above-mentioned hydraulic press workbench moving mechanism, and details are not repeated here.

[0061] Although the utility model discloses as above, the protection scope of the utility model is not only limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall into the protection scope of the utility model.​

Claims

1. A press bed moving mechanism of a water press, characterized by comprising: The hydraulic press worktable moving mechanism comprises telescopic cylinders, a front sliding block (10), an intermediate sliding block and a rear sliding block (40), the telescopic ends of the telescopic cylinders are used to be connected with the body of a hydraulic press, the front sliding block (10) and the rear sliding block (40) are respectively connected to the two ends of the cylinder body of the telescopic cylinders, the intermediate sliding block comprises detachably connected upper block body (20) and lower block body (30), the upper block body (20) and the lower block body (30) are connected and clamped to the cylinder body and located between the front sliding block (10) and the rear sliding block (40), the front sliding block (10), the intermediate sliding block and the rear sliding block (40) are respectively used to be slidably connected with the body of the hydraulic press, and the front sliding block (10) is used to be connected with the worktable of the hydraulic press.

2. The hydraulic press bed moving mechanism according to claim 1, characterized by The telescopic cylinders comprise side telescopic cylinders (50) and intermediate telescopic cylinders (60), the two side telescopic cylinders (50) are respectively arranged on the opposite sides of the intermediate telescopic cylinders (60), and the side telescopic cylinders (50) and the intermediate telescopic cylinders (60) are arranged in opposite directions.

3. The press bed moving mechanism of claim 2, wherein The connecting surfaces of the upper block body (20) and the lower block body (30) are respectively provided with grooves corresponding to the side telescopic cylinders (50) and the intermediate telescopic cylinders (60).

4. The press bed moving mechanism of claim 3, wherein The intermediate sliding block further comprises a bolt (70), the upper block body (20) is provided with a connecting through hole (21), the lower block body (30) is provided with a threaded hole (31), and the bolt (70) is threadedly connected to the threaded hole (31) through the connecting through hole (21).

5. The press bed moving mechanism of claim 4, wherein The intermediate sliding block further comprises a positioning pin, and the connecting surfaces of the upper block body (20) and the lower block body (30) are respectively provided with positioning grooves corresponding to the positioning pin.

6. The press bed moving mechanism of claim 1, wherein The front sliding block (10), the intermediate sliding block and the rear sliding block (40) are respectively provided with a stepped structure (80) at the sliding end slidably connected with the body of the hydraulic press.

7. The hydraulic press bed moving mechanism according to claim 6, wherein The stepped structure (80) of the intermediate sliding block is provided with a mounting hole (81), and the mounting hole (81) is used to mount a sliding lining plate.

8. The hydraulic press bed moving mechanism according to claim 1, wherein The front sliding block (10) is provided with a connecting hole (11) in a direction perpendicular to the horizontal plane, the connecting hole (11) is used to connect a connecting pin shaft of the worktable, and a shaft sleeve is connected in the connecting hole (11).

9. The hydraulic press bed moving mechanism according to claim 1, wherein The telescopic cylinders are hydraulic cylinders.

10. A hydraulic press characterized by comprising: The hydraulic press worktable moving mechanism comprises the hydraulic press worktable moving mechanism according to any one of claims 1-9. The hydraulic press worktable moving mechanism comprises the hydraulic press worktable moving mechanism according to any one of claims 1-9.

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