CN206732302U

CN206732302U - A kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height

Info

Publication number: CN206732302U
Application number: CN201720296884.9U
Authority: CN
Inventors: 童键; 张伟明; 王林峰; 梁洪艳
Original assignee: BEIJING NOVICK DIGITAL EQUIPMENT Co Ltd
Current assignee: BEIJING NOVICK DIGITAL EQUIPMENT Co Ltd
Priority date: 2017-03-24
Filing date: 2017-03-24
Publication date: 2017-12-12
Anticipated expiration: 2027-03-24

Abstract

The utility model discloses a kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height, the side wall of the work tank of the automatic Control Systems of Liquids Height is provided with drain chamber, the drain chamber is provided with water fender, the top surface of the water fender is the bottom of the drain chamber, make the apical side height of the water fender identical with the liquid level of the work tank, the control module controls the water fender vertical shift according to the liquid surface information of the work tank, after the control module receives the transition information that first switch is sent, instructed to the water fender and the water injecting pump sending action；The automatic Control Systems of Liquids Height realizes the processing of automation, improves level control precision, saves labor cost, improves production efficiency.

Description

A kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height

Technical field

It the utility model is related to a kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height.

Background technology

Wire cutting machine tool is that a kind of frequency power of increasing at wire electrode both ends is led by being realized to the control of electric discharge to metal etc. Electric material carries out the machining tool of erosion.Low-speed wire cutting refers to that in process the wire electrode speed of service is generally below 300 millis Meter per second, this wire transporting speed are referred to as low-speed wire cutting.The low speed wire electrical discharge machine bed processed in the market using immersion mode Processing level control mechanism mainly have two kinds, be the board-like control structure of manual dash and automatic flashboard type control structure respectively.

The manual board-like control structure of dash needs artificial operation to realize the control of processing liquid level, limits machine The automation function of bed, does not adapt to the demand of automation development, this manual control mode is gradually by market.

Automatic flashboard type control structure is mainly by work tank 1, head 2, the first switch 3 and drain chamber 4, gear Water plate 5 and transmission mechanism, as depicted in figs. 1 and 2, when configuration processor is processed, machine first turns off drain chamber 4, then to working solution 1 inner water filling of groove, when liquid level, which rises to the first switch 3, to float, the first switch 3 exports a signal, now Lathe turns off the pump to 1 inner water filling of work tank, at the same open water fender 5 and another to the inside moisturizing of work tank 1 Magnetic valve, wherein, the flow of moisturizing is less than the flow of draining, and at this moment liquid level can decline, first due to the opening of drain chamber 4 Switch 3 will fall after rise, and when falling after rise to a certain extent, the first switch 3 exports an other signal, lathe is turned off row Water breach 4, now liquid level can be raised as moisturizing is continuously added, be raised to when can float the first switch 3, lathe will Drain chamber 4 is beaten again, and liquid level will fall after rise, such circulation work, just can control the height of liquid level in certain scope；Should Automatic flashboard type control structure easily makes related components break down, increase is related due to needing frequently folding water fender 5 The abrasion of parts, reduces its service life, while the control structure can only be such that liquid level maintains in certain scope to float downward Dynamic, the control accuracy of liquid level is not high.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of low speed wire electrical discharge machine bed liquid level and controlled automatically System processed, the automatic control system realize the processing of automation, improve level control precision, save labor cost, improve life Produce efficiency.

In order to reach the utility model purpose, it is automatic that the utility model provides a kind of low speed wire electrical discharge machine bed liquid level Control system, including work tank, control module and the head being arranged in the work tank, set in the work tank It is equipped with water injecting pump, water injecting pump water filling into the work tank under control module control is fixed on the head The first switch is provided with, the work tank liquid surface information is sent to control module by first switch, The side wall of the work tank is provided with drain chamber, and the drain chamber is provided with water fender, and the top surface of the water fender is institute The bottom of drain chamber is stated, makes the apical side height of the water fender identical with the liquid level of the work tank, the control Module controls the water fender vertical shift according to the liquid surface information of the work tank, and the control module receives institute After stating the transition information that the first switch is sent, instructed to the water fender and the water injecting pump sending action.

Alternatively, in addition to transmission mechanism, the control module are vertical by water fender described in the transmission mechanism control Mobile, the transmission mechanism includes the transmission track and inductor being vertically arranged, band of the water fender in the transmission track Dynamic lower movement, the inductor are fixedly installed on the water fender, and positioned at the lower section of the dash plate top surface, the sensing The work tank liquid surface information is sent to the control module by device, and the control module receives the inductor hair After the transition information sent, instructed to the transmission mechanism sending action.

Alternatively, the transmission track includes the travelling gear of motor and the motor connection and is enclosed on the transmission Chain on gear, the chain are fixed with the water fender.

Alternatively, the inductor is the second switch or photoelectric sensor.

Alternatively, the head is provided with the 3rd switch, and the 3rd switch is located at first float and opened The work tank liquid surface information is sent to the control module, the control by the top of pass, the 3rd switch After molding block receives the transition information that the 3rd switch is sent, send to terminate to low speed wire electrical discharge machine bed and work as The instruction of preceding work.

Alternatively, the transmission track is provided with upper limit position switch and lower position switch, and the water fender is in the upper limit Moved between bit switch and lower position switch.

Alternatively, the work tank is provided with small pump, and the small pump is under control module control to described Moisturizing in work tank.

Alternatively, the water injecting pump and the drain chamber are connected with water tank respectively.

Alternatively, it is provided with workbench in the work tank.

Compared with prior art, the beneficial effects of the utility model are：

1st, the apical side height of the water fender in the utility model and the liquid level of work tank are identical, when work tank When liquid level meets need of work, stop the movement of water fender, you can the liquid level of work tank is maintained all the time herein Highly, the precision of the utility model level control is improved.

2nd, control module automatically moves according to the liquid surface height controlling water fender of work tank in the utility model, same to opportunity Head is provided with the first switch, height random head (i.e. thickness of workpiece) change of the first switch, when the first switch When the liquid level transition information of work tank is sent into control module, the control module is to the water fender and the note Water pump sending action instructs, the automation that liquid level accurately controls when realizing work tank water filling and draining.

3rd, control module is by transmission mechanism control water fender vertical shift in the utility model, and control module is according to transmission The liquid level transition information for the work tank that mechanism provides, controls the movement of water fender, realizes the automatic of work tank water filling Change.

4th, head is provided with the 3rd switch in the utility model, avoids causing system because of the first switch failure Failure is controlled, insurance is provided for normal operation of the present utility model, improves security performance of the present utility model.

5th, the utility model is simple in construction, and control action is reliable and safe, and cost is cheap, use easy to spread.

Other features and advantages of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.

Brief description of the drawings

Accompanying drawing is used for providing further understanding technical solutions of the utility model, and a part for constitution instruction, With being used to explain the technical solution of the utility model together with embodiments herein, do not form to technical solutions of the utility model Limitation.

Fig. 1 is the structural representation of automatic flashboard type control structure in the prior art；

Fig. 2 is the sectional view in A-A directions in Fig. 1；

Fig. 3 is structural representation of the present utility model；

Fig. 4 is the sectional view in A-A directions in Fig. 3.

Embodiment

For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with accompanying drawing to this The embodiment of utility model is described in detail.It should be noted that in the case where not conflicting, embodiment in the application and Feature in embodiment can be mutually combined.

As shown in figure 3, a kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height, including work tank 1, control mould Block 8 and the head 2 being arranged in the work tank 1, work tank 1 is interior to be provided with workbench 6, and workbench 6 is treated for placement The part 7 of processing, head 2 are provided with the first switch 3, and the first switch 3 connects with the communication of control module 8, wherein, the One switch 3 can be with the wireless connection of control module 8, or wired connection；One end of first switch 3 and head 2 Fixed, the other end floats with liquid level in work tank 1, when liquid level reaches relevant position in work tank 1, the first float Switch 3, which can be realized, to be turned on and off, and the information of open and close is sent to control module 8 by the first switch 3, controls mould Block 8 determines the transition information of liquid level in work tank 1 according to the open and close of the first switch 3.

Work tank 1 is provided with water injecting pump and small pump, and water injecting pump and small pump are connected by pipeline with water tank respectively, note Water pump and small pump communicate with control module 8 respectively to be connected, and is noted respectively under the control of control module 8 into work tank 1 Water.

As shown in figure 4, the side wall of work tank 1 is provided with drain chamber 4, drain chamber 4 is provided with the gear being vertically movable Water plate 5, the bottom of the top surface of water fender 5 as drain chamber 4, make the top surface of the liquid level and water fender 5 of work tank 1 high Spend identical, drain chamber 4 is connected with water tank, and the working solution in work tank 1 is discharged in water tank by drain chamber 4, simultaneously Water tank provides working solution to water injecting pump and small pump, realizes the recycling of working solution in work tank 1.

As shown in figure 4, water fender 5, by transmission mechanism vertical shift, transmission mechanism includes the transmission track being vertically arranged The chain for including the travelling gear 10 of motor and motor connection with inductor 9, transmission track and being enclosed on travelling gear 10 11, chain 11 is fixed with water fender 5, and water fender 5 moves up and down under the drive of chain 11, changes the top surface of water fender 5 Highly, while the liquid level of work tank 1 is changed, inductor 9 is fixedly installed on water fender 5, and is located at the top surface of water fender 5 Lower section, inductor 9 is the second switch or photoelectric sensor, and one end and the water fender 5 of inductor 9 are fixed, other end sense Liquid level in work tank 1 is answered to float, when liquid level reaches relevant position in work tank 1, inductor 9 can realize unlatching Or close, the information of open and close is sent to control module 8 by inductor 9, control module 8 according to the unlatching of inductor 9 with Close and determine in work tank 1 after the transition information of liquid level, control chain 11 moves water fender 5, so as to control working solution Liquid level in groove 1；Upper limit position switch 12 and lower position switch 13 are additionally provided with transmission track, water fender 5 is opened in upper limit Close and moved between 12 and lower position switch 13, the mobile model of upper limit position switch 12 and lower position switch 13 for limiting water fender 5 Enclose.

As shown in figure 3, head 2 is provided with the 3rd switch 14, the 3rd switch 14 is located at the first switch 3 Top, the 3rd switch 14 connect with the communication of control module 8, wherein, the 3rd switch 14 can wirelessly connect with control module 8 Connect, or wired connection；One end of 3rd switch 14 is fixed with head 2, and the other end floats with liquid level in work tank 1 Dynamic, when liquid level reaches relevant position in work tank 1, the 3rd switch 14, which can be realized, to be turned on and off, and the 3rd The information of open and close is sent to control module 8 by switch 14, and control module 8 is according to the unlatching of the 3rd switch 14 After the transition information of liquid level in closing determination work tank 1, low speed wire electrical discharge machine bed of the present utility model is judged Control system failure, and the instruction for terminating work at present is sent to low speed wire electrical discharge machine bed, stop low-speed wire cutting wire cutting The work of lathe, avoid causing part 7 to be processed to damage because breaking down.

During utility model works, water injecting pump can the water filling into work tank 1, when liquid level rises to sense in work tank 1 When answering device 9 to realize to open, i.e., when liquid level is between inductor 9 and the top surface of water fender 5 in work tank 1, inductor 9 is to control Molding block 8 exports liquid surface signal, and control module 8 controls chain 11 to move up the certain distance of water fender 5, makes work tank The drain chamber 4 that working solution in 1 will not be formed by the top surface of water fender 5 is discharged, and now water injecting pump continues into work tank 1 Water filling, liquid level, which continues to rise to inductor 9 and realized, in work tank 1 opens, and water fender 5 repeats above-mentioned action, realizes water fender 5 With the linkage of liquid level in work tank 1, until liquid level reaches relevant position and drives the first switch 3 in work tank 1 Open, the information of unlatching is sent to control module 8 by the first switch 3, and control module 8 is according to the unlatching of the first switch 3 The transition information of liquid level in work tank 1 is determined, i.e. the liquid level meets the requirement of electro-discharge machining, and control module 8 is closed Water injecting pump is closed, stops water injecting pump to 1 inner water filling of work tank, while stops the movement of chain 11, fixes water fender 5, now, Head 2 starts electro-discharge machining, and small pump is according to need of work, the moisturizing into work tank 1, and the working solution of supplement can be by water fender The drain chamber 4 that 5 top surfaces are formed is discharged, and so as to raise the liquid level in work tank 1, is realized and is maintained work tank 1 Interior liquid level, the work for enabling lathe to continue.

The time of wire cutting machine tool processing part is general all long, and often round-the-clock lasting processing, it requires Lathe has a splendid reliability, and the water fender 5 in the utility model Exactly-once action, that is, is being put in each processing Electric machining stops water fender 5 in place before starting, and in whole process, the position of water fender 5 is constant always, keeps away Exempt from the up and down motion that water fender 5 in the prior art needs to repeat, so that the utility model further improves reliability, Also more save；And the utility model can make level control higher in a fixed height, i.e. level control precision.

Although the embodiment disclosed by the utility model is as above, described content is only to readily appreciate the utility model And the embodiment used, it is not limited to the utility model.Technical staff in any the utility model art, On the premise of not departing from the spirit and scope disclosed by the utility model, it can be carried out in the form and details of implementation any Modification and change, but scope of patent protection of the present utility model, still should be subject to the scope of the claims as defined in the appended claims.

Claims

1. a kind of low speed wire electrical discharge machine bed automatic Control Systems of Liquids Height, including work tank, control module and it is arranged on Head in the work tank, water injecting pump is provided with the work tank, the water injecting pump controls in the control module The lower water filling into the work tank, is fixedly installed the first switch on the head, and first switch is by institute State work tank liquid surface information and be sent to control module, it is characterised in that the side wall of the work tank lacks provided with draining Mouthful, the drain chamber is provided with water fender, and the top surface of the water fender is the bottom of the drain chamber, makes the water fender Apical side height it is identical with the liquid level of the work tank, the control module is according to the liquid surface of the work tank Information controls the water fender vertical shift, and the control module receives the transition information that first switch is sent Afterwards, instructed to the water fender and the water injecting pump sending action.

2. automatic Control Systems of Liquids Height according to claim 1, it is characterised in that also including transmission mechanism, the control For module by water fender vertical shift described in the transmission mechanism control, the transmission mechanism includes the transmission track being vertically arranged And inductor, the water fender move under the drive of the transmission track, the inductor is fixedly installed on the water fender On, and the work tank liquid surface information is sent to described positioned at the lower section of the dash plate top surface, the inductor Control module, after the control module receives the transition information that the inductor is sent, sent to the transmission mechanism dynamic Instruct.

3. automatic Control Systems of Liquids Height according to claim 2, it is characterised in that the transmission track include motor, with The travelling gear of the motor connection and the chain being enclosed on the travelling gear, the chain are fixed with the water fender.

4. automatic Control Systems of Liquids Height according to claim 2, it is characterised in that the inductor is the second switch Or photoelectric sensor.

5. automatic Control Systems of Liquids Height according to claim 1, it is characterised in that the head is opened provided with the 3rd float Close, the 3rd switch is located at the top of first switch, and the 3rd switch is by the work tank Liquid surface information is sent to the control module, and the control module receives the variation that the 3rd switch is sent After information, the instruction for terminating work at present is sent to low speed wire electrical discharge machine bed.

6. automatic Control Systems of Liquids Height according to claim 2, it is characterised in that the transmission track is provided with upper limit Switch and lower position switch, the water fender move between the upper limit position switch and lower position switch.

7. according to any described automatic Control Systems of Liquids Height of claim 1-6, it is characterised in that the work tank is provided with Small pump, small pump moisturizing into the work tank under control module control.

8. according to any described automatic Control Systems of Liquids Height of claim 1-6, it is characterised in that the water injecting pump and the row Water breach is connected with water tank respectively.

9. according to any described automatic Control Systems of Liquids Height of claim 1-6, it is characterised in that be provided with the work tank Workbench.