CN210371793U - Vibration damping base of hydraulic plate bending machine - Google Patents

Abstract

The utility model provides a vibration damping base of a hydraulic plate bending machine, which comprises a working base and a vibration damping device arranged at the lower side edge of the periphery of the working base, wherein the vibration damping device comprises a movable vibration damping shell and a piston rod, one end of the piston rod is fixedly connected with the lower surface of the working base, the other end of the piston rod extends into the vibration damping shell and is connected with the vibration damping shell in a sliding way, the piston rod can slide in the vibration damping shell along the vertical direction, and an extending valve can be detachably connected on the piston rod extending into the vibration damping shell, when the piston rod arranged in the utility model receives the downward acting force of the working base, the piston rod moves downwards, the flow of hydraulic oil in a lower cavity and an oil storage cavity is controlled by a compression valve and a compensation valve, and the impact force received by the piston rod is buffered by the flow of the hydraulic oil, therefore, the vibration and noise reduction effects are achieved, and the bending processing quality of the plate is improved.

Description

Vibration damping base of hydraulic plate bending machine

Technical Field

The utility model relates to a damping base field, concretely relates to damping base of hydraulic plate material bender.

Background

Its operating pressure of general large-scale hydraulic bending machine is big, and the operating pressure of hydro-cylinder is greater than 100MPa usually, and the last mode structure of during operation bender carries out extrusion with the sheet material on the workstation along vertical direction motion and with the lower mould contact of installation on the workstation and produce huge extrusion force under the pneumatic cylinder drive, consequently goes up the impact force that the mould produced and will make the workstation receive very strong vibration to still produce great noise, for this, the utility model provides a damping base of hydraulic pressure panel bending machine to solve foretell technical current situation.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a damping base of hydraulic plate material bender, aim at solving current bender and produce very violent vibration when carrying out sheet material processing, influence the technical problem of the quality of sheet material processing.

In order to realize the technical purpose, the utility model provides a vibration damping base of a hydraulic plate bending machine, which comprises a working base and a vibration damping device arranged at the lower side of the periphery of the working base, wherein the vibration damping device comprises a movable vibration damping outer shell and a piston rod, one end of the piston rod is fixedly connected with the lower surface of the working base, the other end of the piston rod extends into the vibration damping outer shell and is connected with the vibration damping outer shell in a sliding way, the piston rod can slide in the vibration damping outer shell along the vertical direction, an extension valve is detachably connected on the piston rod extending into the vibration damping outer shell, a vibration damping inner shell is also arranged between the vibration damping outer shell and the piston rod, a circulation valve is arranged on the side wall of the vibration damping inner shell, one side of the circulation valve is fixedly connected with the vibration damping inner shell, the other side of the circulation valve is abutted, an oil storage cavity is formed between the vibration reduction outer shell and the vibration reduction inner shell, a compensation valve is arranged on the lower side of the oil storage cavity, one end of the compensation valve is connected with the vibration reduction outer shell in a butting mode, and the other end of the compensation valve is connected with the vibration reduction inner shell.

Furthermore, the piston rod separates the vibration reduction inner shell to form an upper cavity and a lower cavity, and the upper cavity and the lower cavity are filled with hydraulic oil.

Further, the top of going up the cavity can be dismantled and be connected with the guide holder, just seted up on the guide holder can with piston rod matched with guiding hole still install between guiding hole and the piston rod and seal the spring seal rand in oil storage chamber.

And one end of the piston rod, which is close to the working base, is also provided with a piston rod support frame, one side of the piston rod support frame is fixedly connected to the piston rod, and the other side of the piston rod support frame is abutted to the outer surface of the vibration reduction shell.

Furthermore, the valve inlet port of the compression valve is communicated with the lower chamber, and the valve outlet port of the compression valve is communicated with the oil storage chamber.

The utility model discloses compare in prior art following beneficial effect as follows: the utility model discloses the piston rod that is equipped with is when receiving the decurrent effort of work base, the piston rod downstream, cavity and lower cavity are gone into and go out to the hydraulic oil that will make to pack full of in the damping inner shell under the control of expansion valve and circulation valve, the flow of the hydraulic oil in cavity and the oil storage intracavity is controlled down also through compression valve and compensating valve simultaneously, and then cushion the impact force that receives the piston rod through the flow of hydraulic oil, reduce the impact force of piston rod, with this effect of making an uproar falls in reaching the damping, thereby improve the sheet material processingquality of bending.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view a of fig. 1.

In the figure: 1-a working base, 2-a vibration damper, 3-a piston rod support frame, 4-an upper chamber, 5-a vibration damping outer shell, 6-a vibration damping inner shell, 8-a compression valve, 9-a compensation valve, 10-a piston rod, 11-a guide seat, 12-a spring sealing collar, 13-an expansion valve, 14-a flow valve, 15-an oil storage cavity and 16-a lower chamber.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the above objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and preferred embodiments, it should be understood that the embodiments described in the present invention are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1-2, the utility model provides a damping base of hydraulic plate bending machine, including work base 1 and damping device 2 installed at the lower side around work base 1, damping device 2 includes active damping shell 5 and piston rod 10, piston rod 10 one end is connected with the lower fixed surface of work base 1, the other end extends into damping shell 5 and is connected with damping shell 5 in a sliding manner, and piston rod 10 can slide in damping shell 5 along the vertical direction, can dismantle on the piston rod 10 that extends into damping shell 5 and be connected with the expansion valve 13, damping inner shell 6 is still arranged between damping shell 5 and piston rod 10, the lateral wall of damping inner shell 6 is provided with circulation valve 14, and circulation valve 14 one side is connected with damping inner shell 6 fixedly, the other side is connected with piston rod 10 butt, fixed mounting has compression valve 8 on the bottom inner wall of damping inner shell 6, an oil storage cavity 15 is formed between the vibration reduction outer shell 5 and the vibration reduction inner shell 6, a compensation valve 9 is arranged on the lower side of the oil storage cavity 15, one end of the compensation valve 9 is abutted to the vibration reduction outer shell 5, and the other end of the compensation valve is connected with the vibration reduction inner shell 6.

In a preferred embodiment, referring to fig. 2, a piston rod 10 divides a vibration reduction inner shell 6 into an upper chamber 4 and a lower chamber 16, the upper chamber 4 and the lower chamber 16 are filled with hydraulic oil, the top of the upper chamber 4 is detachably connected with a guide seat 11, the guide seat 11 is provided with a guide hole capable of being matched with the piston rod 10, and a spring sealing collar 12 for sealing an oil storage cavity 15 is further installed between the guide hole and the piston rod 10; a piston rod support frame 3 is further arranged at one end of the piston rod 10 close to the working base 1, one side of the piston rod support frame 3 is fixedly connected to the piston rod 10, the other side of the piston rod support frame 3 is abutted to the outer surface of the vibration reduction shell 5, a valve inlet port of the compression valve 8 is communicated with the lower cavity 16, and a valve outlet port of the compression valve 8 is communicated with the oil storage cavity 15.

The utility model discloses work flow:

when the working base 1 works, after the downward impact acting force is applied to the working base 1, the impact force is transmitted to the piston rod 10, the piston rod 10 moves downwards, the volume of the upper chamber 4 is increased, the volume of the lower chamber 16 is reduced, at the moment, the hydraulic oil in the lower chamber 16 is extruded to increase the oil pressure and reaches the oil pressure threshold set by the flow valve 14, the flow valve 14 opens the valve port, the hydraulic oil in the lower chamber 16 enters the upper chamber 4 through the flow valve 14, the hydraulic oil in the lower chamber 16 is continuously extruded, the oil pressure in the lower chamber 16 further rises, when the oil pressure threshold set by the compression valve 8 is reached, the compression valve 8 opens the valve port, and a part of the hydraulic oil enters the oil storage chamber 15, so that the pressure relief effect of the hydraulic oil is realized, the impact force acting on the piston rod 10 is relieved through the flowing of the hydraulic oil, and the buffer and vibration reduction effects on, therefore, the vibration reduction and the noise reduction of the working base 1 are achieved, and the quality of plate processing bending is improved;

when the working base 1 is subjected to upward tensile acting force, the tensile force is transmitted to the piston rod 10, the piston rod 10 moves upwards at the moment, the volume of the upper chamber 4 is reduced, the volume of the lower chamber 16 is increased, the volume of hydraulic oil in the upper chamber 4 is reduced by extrusion, when the oil pressure of the upper chamber 4 rises to reach an oil pressure threshold set by the extension valve 13, the extension valve 13 opens a valve port, so that the hydraulic oil in the lower chamber 16 enters the upper chamber 4 through the extension valve 13, the upward damping effect on the piston rod 10 is realized, the effect of buffering and vibration reduction is achieved, and meanwhile, when the hydraulic oil in the lower chamber 16 enters the upper chamber 4, the compensation valve 9 opens the valve port, so that the hydraulic oil in the oil storage cavity 15 enters the lower chamber 16 through the valve port of the compensation valve 9 to compensate the hydraulic oil.

The utility model provides a damping base of hydraulic sheet material bender, piston rod 10 through being equipped with is when receiving 1 decurrent effort of work base, piston rod 10 downstream, will make the hydraulic oil that is full of in the damping inner shell will receive and stretch out cavity 4 and lower cavity 16 under the control of valve 13 and circulation valve 14, the flow of hydraulic oil in cavity 16 and the oil storage chamber 15 is controlled down also through compression valve 8 and compensating valve 9 to the while, and then cushion the impact force that receives piston rod 10 through the flow of hydraulic oil, reduce piston rod 10's impact force, thereby reach the effect that the damping was fallen and is fallen the noise, thereby improve the sheet material processingquality that bends.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (5)

1. The damping base of the hydraulic plate bending machine comprises a working base (1) and a damping device (2) arranged on the periphery of the working base (1) and on the lower side, and is characterized in that the damping device (2) comprises a movable damping shell (5) and a piston rod (10), one end of the piston rod (10) is fixedly connected with the lower surface of the working base (1), the other end of the piston rod extends into the damping shell (5) and is in sliding connection with the damping shell (5), the piston rod (10) can slide in the damping shell (5) along the vertical direction and extends to the piston rod (10) in the damping shell (5) to be detachably connected with an extension valve (13), a damping inner shell (6) is further arranged between the damping shell (5) and the piston rod (10), and a circulation valve (14) is arranged on the side wall of the damping inner shell (6), just flow valve (14) one side with damping inner shell (6) fixed connection, the opposite side with piston rod (10) looks butt fixed mounting has compression valve (8) on the bottom inner wall of damping inner shell (6), form oil storage chamber (15) between damping outer shell (5) and damping inner shell (6) the downside of oil storage chamber (15) is equipped with compensating valve (9), compensating valve (9) one end with damping outer shell (5) looks butt, the other end with damping inner shell (6) are connected.

2. The damping base of a hydraulic plate bending machine according to claim 1, characterized in that the damping inner shell (6) is partitioned by the piston rod (10) to form an upper chamber (4) and a lower chamber (16), and the upper chamber (4) and the lower chamber (16) are filled with hydraulic oil.

3. The vibration reduction base of the hydraulic plate bending machine according to claim 2, wherein the top of the upper chamber (4) is detachably connected with a guide seat (11), the guide seat (11) is provided with a guide hole capable of being matched with the piston rod (10), and a spring sealing collar (12) for sealing the oil storage cavity (15) is further installed between the guide hole and the piston rod (10).

4. The vibration reduction base of the hydraulic plate bending machine according to claim 1, wherein a piston rod support frame (3) is further arranged at one end of the piston rod (10) close to the working base (1), one side of the piston rod support frame (3) is fixedly connected to the piston rod (10), and the other side of the piston rod support frame is abutted to the outer surface of the vibration reduction shell (5).

5. The vibration damping base of a hydraulic plate bending machine according to claim 2, wherein the inlet port of the compression valve (8) is communicated with the lower chamber (16), and the outlet port of the compression valve (8) is communicated with the oil storage chamber (15).

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