阅读说明：本技术 一种电液锤远程半自动操作装置 (Remote semi-automatic operation device for electro-hydraulic hammer ) 是由 谢朝阳 伍小波 陈柏金 李林 于 2021-08-25 设计创作，主要内容包括：本发明提供一种电液锤远程半自动操作装置,包括锤身本体,所述锤身本体上固定安装有主控阀,还包括用于所述操纵手柄的控制方法,所述操纵手柄的控制方法包括以下步骤：第一步：当操作者沿Y轴拉动手柄时,其输入电压与比例伺服阀的换向位置相对应,控制比例伺服阀的换向和开度,此时锤头为纯手动控制方式；本发明提供的电液锤远程半自动操作装置,通过编程使系统控制锤头自动进行往复运动,定义X轴的输入值控制锤头每次行程的大小,即X值越大,锤头行程越大,可由操作人员方便地发出控制指令,在设备特性范围内任意控制锤头的打击行程和打击能量,可完全满足自由锻锤生产各种复杂锻件的要求,同时大幅度降低了工人的劳动强度。(The invention provides a remote semi-automatic operating device of an electrohydraulic hammer, which comprises a hammer body, wherein a main control valve is fixedly arranged on the hammer body, and the invention also comprises a control method for an operating handle, wherein the control method for the operating handle comprises the following steps: the first step is as follows: when an operator pulls the handle along the Y axis, the input voltage of the handle corresponds to the reversing position of the proportional servo valve, the reversing and the opening of the proportional servo valve are controlled, and the hammer head is controlled in a pure manual control mode; the electro-hydraulic hammer remote semi-automatic operation device provided by the invention has the advantages that the system controls the hammer head to automatically reciprocate through programming, the input value of an X axis is defined to control the stroke of the hammer head each time, namely the larger the X value is, the larger the hammer head stroke is, a control instruction can be conveniently sent by an operator, the striking stroke and striking energy of the hammer head can be randomly controlled within the equipment characteristic range, the requirements of a free forging hammer for producing various complex forgings can be completely met, and meanwhile, the labor intensity of workers is greatly reduced.)

1. The utility model provides a long-range semi-automatic operating means of electrohydraulic hammer, includes hammer body, fixed mounting has the master control valve on the hammer body to fixed mounting has the brake valve handle on the hammer body, be provided with tup, its characterized in that on the hammer body:

further comprising a control method for the joystick, the control method for the joystick comprising the steps of:

the first step is as follows: when an operator pulls the handle along the Y axis, the input voltage of the handle corresponds to the reversing position of the proportional servo valve, the reversing and the opening degree of the proportional servo valve are controlled, no input signal is input in the X axis at the moment, the hammer head is in a pure manual control mode, and the rising speed, the stopping speed or the descending speed of the hammer head are controlled through the change of the input value of the Y axis;

the second step is that: when an operator obliquely pulls the handle, namely when input signals are simultaneously input on an X axis and a Y axis, the system controls the hammer head to automatically reciprocate through programming, at the moment, the input value of the X axis is defined to control the stroke of the hammer head each time, namely the larger the X value is, the larger the stroke of the hammer head is;

the third step: the position information fed back by a hammer head displacement sensor is used for forming closed-loop control, a system firstly opens a proportional servo valve according to the opening degree set by an axis Y to control the hammer head to ascend, when the hammer head runs to the maximum stroke set by the axis X, the proportional servo valve is reversed, the opening degree of a valve port of the proportional servo valve is also according to the set parameters of the axis Y, the hammer head starts to reverse and strike after reversing, when the hammer head descends to a preset zero position, the proportional servo valve is reversed again, the hammer head starts to ascend, and the operation is repeated in such a circulating way to form the automatic running of the hammer head;

the fourth step: when an operator controls the input parameter value of the X axis or the Y axis to change, the system adjusts the corresponding stroke of the hammer head and the opening of the proportional servo valve, so that the operator can adjust the operating force and speed of the hammer head randomly within the adjustable range of the equipment.

2. The electro-hydraulic hammer remote semi-automatic operating device as claimed in claim 1, wherein the operating device uses a voltage type universal potentiometer as a control handle, which has X, Y two axes, corresponding to control voltages of ± 10V, respectively.

3. The electro-hydraulic hammer remote semi-automatic operation device of claim 1, wherein when the Y-axis input value is 0 in the first step, the proportional servo valve is in a closed position and the hammer stops moving.

4. The electro-hydraulic hammer remote semi-automatic operation device as claimed in claim 1, wherein the second step defines a maximum opening degree of the Y-axis input value control proportional servo valve in each reversing, and the size of the opening degree determines the running speed of the hammer head.

5. The electro-hydraulic hammer remote semi-automatic operation device as claimed in claim 1, wherein in the second step, when input signals are simultaneously provided on the X axis and the Y axis, the system controls the hammer head to automatically reciprocate, and the input value on the X axis controls the stroke of the hammer head, i.e. the larger the X value, the larger the stroke of the hammer head, the larger the Y value, and the larger the opening degree of the proportional servo valve in each reversing.

6. The electro-hydraulic hammer remote semi-automatic operation device according to claim 1, further comprising a positioning assembly of a control handle, wherein the positioning assembly comprises a sliding disc, a positioning rod is fixedly connected to the sliding disc, a positioning groove is formed in the control handle, a first spring is sleeved on the surface of the control handle, a limiting disc is fixedly mounted on the control handle, and a pulling rope is fixedly connected to the sliding disc.

7. The electro-hydraulic hammer remote semi-automatic operation device of claim 6, wherein the sliding plate is slidably connected to the operating handle, the first spring is located between the limiting plate and the sliding plate, and one end of the positioning rod is matched with the positioning groove.

8. The electro-hydraulic hammer remote semi-automatic operation device of claim 6, wherein one end of the pulling rope penetrates through one side of the limiting disc and extends to the other side of the limiting disc, and one end of the pulling rope extending to the other side of the limiting disc is fixedly connected with the operating handle, and the pulling rope is connected with the limiting disc in a sliding mode.

9. The electro-hydraulic hammer remote semi-automatic operation device according to claim 1, wherein the operation handle is fixedly connected with a limiting component, the limiting component comprises a mounting plate, a limiting rod is slidably connected to the mounting plate, a pulling spring is sleeved on the surface of the limiting rod, a limiting plate is rotatably connected to one end of the limiting rod, a clamping rod is fixedly connected to the mounting plate, a sliding block is arranged on the operation handle, and a plurality of positioning grooves are formed in the sliding block.

10. The electro-hydraulic hammer remote semi-automatic operation device of claim 9, wherein the mounting plate is fixedly mounted on the operating handle, one end of the limiting rod is a cambered end, two ends of the pulling spring are respectively fixedly connected with one end of the limiting rod and the mounting plate, the sliding block is connected with the operating handle through a connecting rope, the sliding block is connected with the operating handle in a sliding manner, and the positioning groove is matched with one end of the limiting rod.

Technical Field

The invention relates to the technical field of electro-hydraulic hammers, in particular to a remote semi-automatic operating device of an electro-hydraulic hammer.

Background

The electro-hydraulic hammer is a metal hot-forming device, is widely applied to industries such as metallurgy, machinery, military industry and the like in recent years due to the advantages of energy conservation, environmental protection and small equipment investment, and has the functions of hot-forming of metal materials and forging of blanks of mechanical parts.

The traditional forging and pressing equipment control mode is generally that the lifting height and the dropping stroke of the hammer head each time are preset in a program, the opening degree and the opening time of proportional servo are adjusted, the speed and the striking energy of the hammer head can be controlled, different passes can be set in a program interface according to the height and the size of different workpieces, and therefore the equipment can realize the automatic striking and returning of the hammer head and the cyclic reciprocating according to the instruction of an operator.

The process control is adopted, the hammer head can only run according to the preset stroke and speed, the process is suitable for simple working conditions such as steel drawing-out, and for complex free forgings, the full-automatic control mode is not suitable for frequently changing the stroke height and the striking energy of the hammer head.

Therefore, it is necessary to provide a remote semi-automatic operation device of an electro-hydraulic hammer to solve the above technical problems.

Disclosure of Invention

The invention provides a remote semi-automatic operating device of an electro-hydraulic hammer, which solves the problem that a hammer head can only run according to preset stroke and speed.

In order to solve the above technical problems, the present invention provides a remote semi-automatic operation device for an electro-hydraulic hammer, comprising: the hammer comprises a hammer body, a main control valve is fixedly mounted on the hammer body, a control handle is fixedly mounted on the hammer body, and a hammer head is arranged on the hammer body; further comprising a control method for the joystick, the control method for the joystick comprising the steps of:

the first step is as follows: when an operator pulls the handle along the Y axis, the input voltage of the handle corresponds to the reversing position of the proportional servo valve, the hammer head is in a pure manual control mode, and the hammer head is controlled to ascend or descend through the change of the input value of the Y axis;

the second step is that: when an operator obliquely pulls the handle, namely when an input signal exists on an X axis, the system controls the hammer head to automatically reciprocate through programming, at the moment, the input value of the X axis is defined to control the stroke of the hammer head each time, namely the larger the X value is, the larger the stroke of the hammer head is;

the third step: the position information fed back by a hammer head displacement sensor is used for forming closed-loop control, a system firstly opens a proportional servo valve according to the opening degree set by an axis Y to control the hammer head to ascend, when the hammer head runs to the maximum stroke set by the axis X, the proportional servo valve is reversed, the opening degree of a valve port of the proportional servo valve is also according to the set parameters of the axis Y, the hammer head starts to reverse and strike after reversing, when the hammer head descends to a preset zero position, the proportional servo valve is reversed again, the hammer head starts to ascend, and the operation is repeated in such a circulating way to form the automatic running of the hammer head;

the fourth step: when an operator controls the input parameter value of the X axis or the y axis to change, the system adjusts the corresponding stroke of the hammer head and the opening of the proportional servo valve, so that the operator can adjust the operating force and speed of the hammer head randomly within the adjustable range of the equipment.

Preferably, the operating device adopts a voltage type universal potentiometer as a control handle, and the universal potentiometer has X, Y two shafts, which respectively correspond to control voltage of +/-10V.

Preferably, when the Y-axis input value in the first step is 0, the proportional servo valve is in the closed position, and the hammer stops moving.

Preferably, the second step defines a maximum opening degree of the Y-axis input value control proportional servo valve in each reversing, and the size of the opening degree determines the running speed of the hammer head.

Preferably, still include operating handle's locating component, locating component includes the slip dish, fixedly connected with locating lever on the slip dish, the last constant head tank of having seted up of operating handle, first spring has been cup jointed on operating handle's surface to fixed mounting has spacing dish on the operating handle, fixedly connected with pulls the rope on the slip dish.

Preferably, the sliding disc is connected with the operating handle in a sliding mode, the first spring is located between the limiting disc and the sliding disc, and one end of the positioning rod is matched with the positioning groove.

Preferably, one end of the pulling rope penetrates through one side of the limiting disc and extends to the other side of the limiting disc, the end of the pulling rope extending to the other side of the limiting disc is fixedly connected with the operating handle, and the pulling rope is connected with the limiting disc in a sliding mode.

Preferably, the last spacing subassembly of fixedly connected with of operating handle, spacing subassembly includes the mounting panel, sliding connection has the gag lever post on the mounting panel, the pulling spring has been cup jointed on the surface of gag lever post to the one end of gag lever post is rotated and is connected with the limiting plate, fixedly connected with joint rod on the mounting panel, the last sliding block that is provided with of operating handle, a plurality of constant head tanks have been seted up on the sliding block.

Preferably, the mounting plate is fixedly mounted on the operating handle, one end of the limiting rod is a radian end, and two ends of the pull spring are respectively fixedly connected with one end of the limiting rod and the mounting plate.

Preferably, the sliding block is connected with the operating handle through a connecting rope, the sliding block is connected with the operating handle in a sliding mode, and the positioning groove is matched with one end of the limiting rod.

Compared with the related art, the remote semi-automatic operation device of the electro-hydraulic hammer provided by the invention has the following beneficial effects:

the invention provides a remote semi-automatic operating device of an electro-hydraulic hammer, which enables a system to control a hammer head to automatically reciprocate through programming, defines the size of each stroke of the hammer head controlled by an input value of an X axis, namely the larger the Y value is, the larger the hammer head stroke is, can conveniently send out a control command by an operator, arbitrarily controls the striking stroke and striking energy of the hammer head within the range of equipment characteristics, can completely meet the requirements of producing various complex forgings by a free forging hammer, and simultaneously greatly reduces the labor intensity of workers.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of a remote semi-automatic operation device of an electro-hydraulic hammer according to the present invention;

FIG. 2 is a control block diagram of a semi-automatic program control device for an electro-hydraulic hammer according to the present invention;

FIG. 3 is a wiring diagram of a control circuit provided by the present invention;

FIG. 4 is a schematic view of a control handle provided by the present invention;

FIG. 5 is a schematic structural diagram of a second embodiment of a remote semi-automatic operation device for an electro-hydraulic hammer according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 at A;

fig. 7 is a perspective view of the slider shown in fig. 6.

Reference numbers in the figures: 1. the hammer comprises a hammer body, 2, a main control valve, 3, an operating handle, 4, a hammer head, 5, a positioning assembly, 51, a sliding disc, 52, a positioning rod, 53, a positioning groove, 54, a first spring, 55, a limiting disc, 56, a pulling rope, 6, a limiting assembly, 61, a mounting plate, 62, a limiting rod, 63, a pulling spring, 64, a limiting plate, 65, a clamping rod, 66, a sliding block, 67 and a positioning groove.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

First embodiment

Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, wherein fig. 1 is a schematic structural diagram of a first embodiment of a remote semi-automatic operation device of an electro-hydraulic hammer according to the present invention; FIG. 2 is a control block diagram of a semi-automatic program control device for an electro-hydraulic hammer according to the present invention; FIG. 3 is a wiring diagram of a control circuit provided by the present invention; fig. 4 is a schematic view of a control handle provided by the present invention. An electro-hydraulic hammer remote semi-automatic operation device comprising: the hammer comprises a hammer body 1, wherein a main control valve 2 is fixedly arranged on the hammer body 1, a control handle 3 is fixedly arranged on the hammer body 1, and a hammer head 4 is arranged on the hammer body 1;

further comprising a control method for said handlebar 3, said control method for said handlebar 3 comprising the steps of:

the first step is as follows: when an operator pulls the handle along the Y axis, the input voltage of the handle corresponds to the reversing position of the proportional servo valve, the hammer head is in a pure manual control mode, and the hammer head is controlled to ascend or descend through the change of the input value of the Y axis;

the second step is that: when an operator obliquely pulls the handle, namely when an input signal exists on an X axis, the system controls the hammer head to automatically reciprocate through programming, at the moment, the input value of the X axis is defined to control the stroke of the hammer head each time, namely the larger the Y value is, the larger the stroke of the hammer head is;

the third step: the position information fed back by a hammer head displacement sensor is used for forming closed-loop control, a system firstly opens a proportional servo valve according to the opening degree set by the y axis to control the hammer head to ascend, when the hammer head runs to the maximum stroke set by the x axis, the proportional servo valve is reversed, the opening degree of a valve port of the proportional servo valve is also according to the set parameters of the y axis, the hammer head starts to reverse and strike after reversing, when the hammer head descends to the preset zero position, the proportional servo valve is reversed again, the hammer head starts to ascend, and the operation is repeated in such a circulating way to form the automatic running of the hammer head;

a fourth step of: when an operator controls the input parameter value of the x axis or the y axis to change, the system adjusts the corresponding stroke of the hammer head and the opening of the proportional servo valve, so that the operator can adjust the operating force and speed of the hammer head randomly within the adjustable range of the equipment.

The operating device adopts a voltage type universal potentiometer as a control handle, and the control handle is provided with an x axis and a y axis which respectively correspond to +/-10V control voltage.

And when the Y-axis input value is 0 in the first step, the proportional servo valve is in a closed position, and the hammer stops moving.

And in the second step, a Y-axis input value is defined to control the maximum opening of the proportional servo valve in each reversing, and the size of the opening determines the running speed of the hammer head.

Compared with the related art, the remote semi-automatic operation device of the electro-hydraulic hammer provided by the invention has the following beneficial effects:

the system controls the hammer head to automatically reciprocate through programming, the input value of an X axis is defined to control the stroke of the hammer head at each time, namely the larger the Y value is, the larger the stroke of the hammer head is, an operator can conveniently send out a control command, the striking stroke and the striking energy of the hammer head can be controlled randomly within the range of equipment characteristics, the requirement of the free forging hammer for producing various complex forgings can be completely met, and meanwhile, the labor intensity of workers is greatly reduced.

Second embodiment

Referring to fig. 5, 6 and 7, a second embodiment of the present application provides another remote semi-automatic operation device for an electro-hydraulic hammer based on a remote semi-automatic operation device for an electro-hydraulic hammer provided by a first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the remote semi-automatic operation device of electrohydraulic hammer that the second embodiment of this application provided's difference lies in, the remote semi-automatic operation device of electrohydraulic hammer still includes the locating component 5 of bar 3, locating component 5 includes sliding disc 51, fixedly connected with locating lever 52 on the sliding disc 51, the constant head tank 53 has been seted up on bar 3, first spring 54 has been cup jointed on bar 3's surface to fixed mounting has spacing dish 55 on bar 3, rope 56 is pulled to fixedly connected with on the sliding disc 51.

The sliding disc 51 is connected with the operating handle 3 in a sliding manner, the first spring 54 is located between the limiting disc 55 and the sliding disc 51, and one end of the positioning rod 52 is matched with the positioning groove 53.

The first spring 54 pushes the sliding disc 51, so that the sliding disc 51 can drive the positioning rod 52 to be clamped with the positioning slot 53 without external force.

One end of the pulling rope 56 penetrates through one side of the limiting disc 55 and extends to the other side of the limiting disc 55, one end of the pulling rope 56 extending to the other side of the limiting disc 55 is fixedly connected with the operating handle 3, and the pulling rope 56 is connected with the limiting disc 55 in a sliding manner.

Pulling rope 56 is provided with two altogether, and two pulling ropes 56 symmetric distribution are in spacing dish 55 both sides, when holding the handle tightly, can make spacing dish 55 become crooked to make horizontal length shorten, make pulling spring 63 drive sliding disc 51 and remove.

Spacing subassembly 6 of fixedly connected with on the bar handle 3, spacing subassembly 6 includes mounting panel 61, sliding connection has gag lever post 62 on the mounting panel 61, pull spring 63 has been cup jointed on gag lever post 62's surface to the one end of gag lever post 62 is rotated and is connected with limiting plate 64, fixedly connected with joint rod 65 on the mounting panel 61, be provided with sliding block 66 on the bar handle 3, a plurality of constant head tanks 67 have been seted up on the sliding block 66.

A plurality of positioning grooves 67 are evenly distributed on the slide block 66, and the positioning manner of the handle on the manipulation handle 3 in each direction of movement is the same.

The mounting plate 61 is fixedly mounted on the operating handle 3, one end of the limiting rod 62 is a radian end, and two ends of the pull spring 63 are respectively fixedly connected with one end of the limiting rod 62 and the mounting plate 61.

The radian of gag lever post 62 one end is used for when the sliding block 66 shifts out the inside of handle, can make the constant head tank 67 extrusion gag lever post 62 on the sliding block 66, makes gag lever post 62 can not with the constant head tank 67 joint, makes gag lever post 62 can not influence one side of sliding block 66, and removes when sliding block 66 and accomplishes the back, can make gag lever post 62 and constant head tank 67 joint, makes sliding block 66 can't remove, only can remove sliding block 66 through pulling gag lever post 62.

The sliding block 66 is connected with the operating handle 3 through a connecting rope, the sliding block 66 is connected with the operating handle 3 in a sliding mode, and the positioning groove 67 is matched with one end of the limiting rod 62.

The connecting cord ensures that the handle does not change the direction of movement of the sliding block 66 when the sliding block 66 is squeezed by the handle, so that the sliding block 66 can move horizontally.

The working principle is as follows:

when the handle on the operating handle 3 needs to be moved, a hand is placed above the limiting plate 55, then the operating handle 3 is held forcefully, the pulling rope 56 is moved when the operating handle 3 is held forcefully, so that the pulling rope 56 is in contact with the handle, one end of the pulling rope 56 moves upwards to drive the sliding disc 51 to move upwards, the sliding disc 51 moves upwards to drive the positioning rod 52 to move upwards, the positioning rod 52 is not clamped with the positioning groove 53, the handle can be moved, after the movement is completed, the handle is reset, the handle is not tightly held, the sliding disc 51 is pushed by the first spring 54, the positioning rod 52 is driven by the sliding disc 51 to enter the positioning groove 53, the automatic positioning of the handle is completed, when the moved handle needs to be positioned, the limiting plate 64 is rotated, the limiting plate 64 can enable the limiting plate 64 not to be positioned at one end of the clamping rod 65 any more, thereby by pulling spring 63 pulling gag lever post 62 for gag lever post 62 and sliding block 66 contact, when the handle drove sliding block 66 and removes, can drive constant head tank 67 and remove, when constant head tank 67 removed to gag lever post 62 one side, can make pulling spring 63 pulling gag lever post 62 get into the inside of constant head tank 67, thereby accomplish the top to sliding block 66.

Has the advantages that:

promote sliding tray 51 through first spring 54, make sliding tray 51 drive locating lever 52 and constant head tank 53 joint, thereby accomplish the location to the handle, when having avoided the handle to receive the collision, the handle can move, lead to the sudden operation of equipment, make the accident cause easily, and when moving the handle, only need to hold the handle with the hand and can remove the handle, it is more convenient to make the location of removing to the handle, and through rotatory limiting plate 64, make pull spring 63 pulling gag lever post 62 and constant head tank 67 joint, thereby can accomplish the location to removing the back handle, make the adaptability that can increase equipment.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.