CN206912420U

CN206912420U - A kind of wire cutting tight silk system automatically

Info

Publication number: CN206912420U
Application number: CN201720709205.6U
Authority: CN
Inventors: 徐显平
Original assignee: Chongqing Apparent Machinery Manufacturing Co Ltd
Current assignee: Chongqing Apparent Machinery Manufacturing Co Ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2018-01-23
Anticipated expiration: 2027-06-19

Abstract

The utility model discloses a kind of wire cutting tight silk system, including support, tensioner, motor, mobile device, upper block, lower tumbler, sensor and controller automatically；Tensioner includes wind spring housing, wind spring, rotary shaft and lower tumbler mounting seat, mobile device is connected with support, mobile device is driven by motor, it includes being used for the upper block mounting seat for connecting upper block, upper block and lower tumbler are setting up and down and in both are generally aligned in the same plane, mobile device drives upper block movement, controller is connected with sensor, motor lines respectively, sensor collection can reflect the data of rotary shaft rotational angle and pass to controller, and the data are converted into displacement data and controlled motor by controller；The utility model provides initial tension by tensioner；The distance between upper block and lower tumbler are adjusted by sensor, controller and mobile device, makes the tension force of molybdenum filament in constant range and maintains its tensioning state.

Description

A kind of wire cutting tight silk system automatically

Technical field

The utility model belongs to the technical field of wire cutting, is specifically related to a kind of wire cutting tight silk system automatically.

Background technology

Wire cutting machine tool is a kind of electrical process machine, and metal is cut by galvano-cautery by molybdenum filament；Wire cutting machine tool is adding The situation that molybdenum filament loosens occurs during work, has influence on the precision of processing article；Typically solves molybdenum filament pine by tight silk device The problem of dynamic, but the shortcomings that existing tight silk device only provides tension force by spring, maintains the tensioning state of molybdenum filament, and it is present：Bullet The active force of spring can increase the tension force of molybdenum filament during molybdenum filament cuts article, molybdenum filament is artificially elongated, line footpath attenuates, so as to drop The service life of low molybdenum filament.

The content of the invention

In view of this, the purpose of this utility model is to provide a kind of wire cutting tight silk system automatically, passes through tensioner Initial tension is provided, first tensed molybdenum filament, the position of lower tumbler changes and drives rotary shaft to rotate, and sends out the state of wind spring Changing, so as to produce tension force；The distance between upper block and lower tumbler are adjusted by sensor, controller and mobile device, Make the tension force of molybdenum filament in constant range and maintain its tensioning state, if molybdenum filament loosens, can be reflected by sensor collection and turned The data of moving axis rotational angle simultaneously pass to controller, and the data are converted into displacement data and control mobile device by controller, The distance between upper block and lower tumbler are increased according to displacement data.

In order to achieve the above object, a kind of wire cutting of the utility model tight silk system automatically, including support, tensioner, Motor, mobile device, upper block, lower tumbler, sensor and controller, the tensioner include wind spring housing, wind spring, rotation Axle and lower tumbler mounting seat, wind spring housing are connected with pedestal lower end, and wind spring is located at wind spring enclosure interior, and wind spring enclosure interior is provided with The limiting plate of wind spring outer end movement is limited, rotary shaft is coaxial with wind spring and is connected with wind spring the inner, and rotary shaft both ends pass volume Spring housing sidewall stretches out, and lower tumbler mounting seat one end is connected with rotary shaft one end, and the lower tumbler mounting seat other end is led with Wheel connection, to axially in parallel with rotary shaft, sensor be connected lower guide wheel shaft with the rotary shaft other end, mobile device and support company Connect, mobile device is driven by motor, and it includes being used for the upper block mounting seat for connecting upper block, and upper block on lower tumbler with dividing into Put and in both are generally aligned in the same plane, bypassed successively for molybdenum filament, mobile device drives upper block movement, controller respectively with biography Sensor, motor lines connection, sensor collection can reflect the data of rotary shaft rotational angle and pass to controller, and controller will The data are converted into displacement data and controlled motor, adjust the distance between upper block and lower tumbler.

Further, the mobile device is located above tensioner, and mobile device also includes supporting plate, screw mandrel, nut, returned Turn supporting, sliding block and be oriented to optical axis, screw mandrel top and bottom are connected by supporting plate with support respectively, and nut sleeve is outside screw mandrel Portion, sliding block are provided with first through hole and the second through hole, and first through hole internal circular surfaces are coaxially connected with nut by pivoting support, and second Through hole passes through for optical axis, and the aperture of the second through hole is more than the diameter of axle for being oriented to optical axis, is oriented to axially in parallel, the cunning of optical axis and screw mandrel Block side is connected with upper block mounting seat, and sliding block can move axially along screw mandrel, and motor is located above mobile device, and motor includes electricity Casing body and lower end pass the power output shaft of electric machine casing, and power output shaft and screw mandrel upper end are coaxially connected.

Further, the sensor is angular transducer.

Further, the motor is stepper motor.

Further, the wind spring outer end is provided with " u "-shaped bending, and limiting plate one end is stretched into " u "-shaped bending, the other end and volume Spring housing connects

The beneficial effects of the utility model are：

1. a kind of wire cutting of the utility model automatically tight silk system by adjust upper block relative to lower tumbler move away from From molybdenum filament length change amount is made up, the tensioning state of molybdenum filament, the overtension for avoiding molybdenum filament from being subject to, so as to extend its use are maintained Life-span.

A kind of 2. wire cutting of the utility model angle that tight silk system rotates molybdenum filament length change amount and rotary shaft automatically Associated, the technical scheme loosened to solve molybdenum filament improves new thinking.

A kind of 3. principle of wire cutting of the utility model mobile device described in tight silk system automatically：Rotary motion is converted into Linear movement, screw mandrel is selected, it has high accuracy, invertibity and efficient advantage.

4. sensor is angular transducer to a kind of wire cutting of the utility model described in tight silk system automatically, angular transducer is straight The reversed angle value for reflecting rotary shaft rotation.

5. motor is stepper motor to a kind of wire cutting of the utility model described in tight silk system automatically, electric impulse signal is changed For angular displacement or displacement of the lines, the purpose being accurately positioned is realized.

Brief description of the drawings

In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows Accompanying drawing illustrates：

Fig. 1 is a kind of stereogram of wire cutting of the utility model tight silk system automatically；

Fig. 2 is a kind of front view of wire cutting of the utility model tight silk system automatically；

Fig. 3 is a kind of internal structure schematic diagram of wire cutting of the utility model wind spring housing described in tight silk system automatically.

Reference：1- supports；2- tensioners；3- motors；4- mobile devices；5- upper blocks；6- lower tumblers；7- is sensed Device；8- controllers；9- molybdenum filaments；21- wind spring housings；22- wind springs；23- rotary shafts；24- lower tumbler mounting seats；41- upper blocks are pacified Fill seat；42- supporting plates；43- screw mandrels；44- nuts；45- sliding blocks；46- is oriented to optical axis.

Embodiment

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.

As shown in Figure 1 to Figure 3；A kind of wire cutting of the utility model tight silk system automatically, including support 1, tensioner 2, Motor 3, mobile device 4, upper block 5, lower tumbler 6, sensor 7 and controller 8；Tensioner 2 includes wind spring housing 21, wind spring 22nd, rotary shaft 23 and lower tumbler mounting seat 24；Wind spring housing 21 is connected with the lower end of support 1；Wind spring 22 is in wind spring housing 21 Portion；The inside of wind spring housing 21 is provided with the limiting plate of limitation wind spring 22 outer end movement, here, the outer end of wind spring 22 is machined with into " u "-shaped Bending, limiting plate one end are stretched into " u "-shaped bending, and the other end is connected with wind spring housing 21；Rotary shaft 23 it is coaxial with wind spring 22 and It is connected with the inner of wind spring 22, both axial directions are left and right directions；The both ends of rotary shaft 23 pass the side wall of wind spring housing 21 to extension Stretch；The one end of lower tumbler mounting seat 24 is connected with the right-hand member of rotary shaft 23, and the other end of lower tumbler mounting seat 24 is connected with lower tumbler 6, this In, third through-hole and fourth hole are located in lower tumbler mounting seat 24, the right-hand member of rotary shaft 23 passes through third through-hole and both fixations Connection, the right side of lower tumbler 6 are located at the first connecting shaft being coaxial therewith, and the first connecting shaft is through fourth hole and both are fixed Connection；Lower tumbler 6 is axially axially in parallel with rotary shaft 23；Sensor 7 is angular transducer, it is well known that angle sensor utensil There is output shaft, output shaft is connected by shaft coupling with the left end of rotary shaft 23, and angular transducer collection can reflect 23 turns of rotary shaft The data of dynamic angle；Mobile device 4 is connected with support 1 and driven positioned at the top of tensioner 2, mobile device 4 by motor 3, electricity Machine 3 is stepper motor；Mobile device 4 includes upper block mounting seat 41, supporting plate 42, screw mandrel 43, nut 44, pivoting support, cunning Block 45 and guiding optical axis 46；Upper block mounting seat 41 is provided with fifth hole, and the right side of upper block 5 is located at second be coaxial therewith and connected Spindle, the second connecting shaft through fifth hole and both be fixedly connected；Upper block 5 is setting up and down with lower tumbler 6 and both are located at In same plane；The top and bottom of screw mandrel 43 are connected by supporting plate 42 with support 1 respectively；Nut 44 is sleeved on outside screw mandrel 43 Portion；Sliding block 45 is provided with first through hole and the second through hole, and first through hole internal circular surfaces are coaxially connected by pivoting support and nut 44, Second through hole passes through for optical axis, and the aperture of the second through hole is more than the diameter of axle for being oriented to optical axis 46；It is oriented to optical axis 46 and screw mandrel 43 It is axially in parallel；The right side of sliding block 45 is connected with the left side of upper block mounting seat 41, and sliding block 45 can move axially along screw mandrel 43；Motor 3 Above mobile device 4, motor 3 includes the housing of motor 3 and lower end passes the power output shaft of the housing of motor 3, power output Axle and the upper end of screw mandrel 43 are coaxially connected；Controller 8 is connected with sensor 7, the line of motor 3 respectively, and the collection of sensor 7, which can reflect, to be turned The data of the rotational angle of moving axis 23 simultaneously pass to controller 8, and the data are converted into displacement data and controlled motor 3 by controller 8, Motor 3 drives mobile device 4 and drives upper block 5 to move, and adjusts the distance between upper block 5 and lower tumbler 6.

The course of work of present embodiment：The first step, by the molybdenum filament 9 on wire cutting machine tool successively around upper block 5, under lead Wheel 6；Second step, molybdenum filament 9 is tensed, lower tumbler 6 by molybdenum filament 9 pulling force and produce motion, while make lower tumbler mounting seat 24 Rotation, so that rotary shaft 23 rotates and the state of wind spring 22 is changed, produce tension force；If molybdenum filament 9 loosens, pass through sensing Device 7 gathers the data that can reflect the rotational angle of rotary shaft 23 and passes to controller 8, and the data are converted into position by controller 8 Data are moved, according to the steering of displacement data controlled motor 3 and turnning circle, sliding block 45 is moved up and driven along screw mandrel 43 and leads Wheel 5 moves up, and the distance moved so as to adjust upper block 5 relative to lower tumbler 6 makes up the length change amount of molybdenum filament 9, maintains molybdenum The tensioning state of silk 9.

Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details The scope of restriction.

Claims

A kind of 1. wire cutting tight silk system automatically, it is characterised in that：Including support, tensioner, motor, mobile device, on lead Wheel, lower tumbler, sensor and controller, the tensioner include wind spring housing, wind spring, rotary shaft and lower tumbler mounting seat, Wind spring housing is connected with pedestal lower end, and wind spring is located at wind spring enclosure interior, and wind spring enclosure interior is provided with the movement of limitation wind spring outer end Limiting plate, rotary shaft it is coaxial with wind spring and with wind spring is inner is connected, rotary shaft both ends pass wind spring housing sidewall to extension Stretch, lower tumbler mounting seat one end is connected with rotary shaft one end, and the lower tumbler mounting seat other end is connected with lower tumbler, lower guide wheel shaft to Axially in parallel with rotary shaft, sensor is connected with the rotary shaft other end, and mobile device is connected with support, and mobile device is driven by motor Dynamic, it includes being used for the upper block mounting seat for connecting upper block, and upper block is setting up and down with lower tumbler and both are positioned at same flat In face, bypassed successively for molybdenum filament, mobile device drives upper block movement, and controller is connected with sensor, motor lines respectively, is passed Sensor collection can reflect the data of rotary shaft rotational angle and pass to controller, and the data are converted into displacement number by controller According to simultaneously controlled motor, the distance between upper block and lower tumbler are adjusted.
A kind of 2. wire cutting as claimed in claim 1 tight silk system automatically, it is characterised in that：The mobile device is located at tension force Above device, mobile device also includes supporting plate, screw mandrel, nut, pivoting support, sliding block and is oriented to optical axis, and screw mandrel upper end is with End is connected by supporting plate with support respectively, and nut sleeve is mounted in outside screw mandrel, and sliding block is provided with first through hole and the second through hole, and first Through hole internal circular surfaces are coaxially connected with nut by pivoting support, and the second through hole passes through for optical axis, and the aperture of the second through hole is big In the diameter of axle for being oriented to optical axis, the axially in parallel of optical axis and screw mandrel is oriented to, sliding block side is connected with upper block mounting seat, and sliding block can edge Screw mandrel moves axially, and motor is located above mobile device, and the power that motor passes electric machine casing including electric machine casing and lower end is defeated Shaft, power output shaft and screw mandrel upper end are coaxially connected.
A kind of 3. wire cutting as claimed in claim 1 or 2 tight silk system automatically, it is characterised in that：The sensor is angle Sensor.
A kind of 4. wire cutting as claimed in claim 1 or 2 tight silk system automatically, it is characterised in that：The motor is stepping electricity Machine.
A kind of 5. wire cutting as claimed in claim 1 tight silk system automatically, it is characterised in that：The wind spring outer end is provided with " U " Shape bending, limiting plate one end are stretched into " u "-shaped bending, and the other end is connected with wind spring housing.