CN211360964U - Transverse wire cutting device - Google Patents
Transverse wire cutting device Download PDFInfo
- Publication number
- CN211360964U CN211360964U CN201922233797.0U CN201922233797U CN211360964U CN 211360964 U CN211360964 U CN 211360964U CN 201922233797 U CN201922233797 U CN 201922233797U CN 211360964 U CN211360964 U CN 211360964U
- Authority
- CN
- China
- Prior art keywords
- wire
- winding drum
- wire winding
- wheel
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a transverse linear cutting device, which comprises a machine base, a liquid storage tank, a wire winding mechanism and a wire electrode, wherein the bottom end of the machine base is connected with an electrifying guide mechanism in a suspension way, and the electrifying guide mechanism comprises an electric conduction assembly, a first guider and a second guider which are arranged at intervals transversely; the liquid storage tank is positioned below the machine base, the upper end of the liquid storage tank is in an open hollow structure, and the first guider and the second guider both extend into the liquid storage tank; the wire winding mechanism comprises a first wire winding drum and a second wire winding drum which are positioned on two sides of the base; the first end of the electrode wire is connected with the first wire winding drum, and the second end of the electrode wire passes through the electrifying guide mechanism and is connected with the second wire winding drum. The utility model discloses a horizontal wire-electrode cutting device, wire electrode adopt the horizontal cutting work piece, have effectively avoided the card silk phenomenon, and the condition of the mutual collision of work piece can not appear, and can cut the operation for a long time high efficiently.
Description
Technical Field
The utility model relates to a wire-electrode cutting processing technology field, in particular to horizontal wire-electrode cutting device.
Background
With the rapid development of metal additive manufacturing (i.e. metal powder 3D printing technology), various complex thin-wall 3D parts need to be taken off from a printing substrate after printing is completed, a traditional process method is to use a band saw or a sand line machine for cutting, but the band saw or the sand line cutting inevitably generates cutting force on a workpiece, which generates unrecoverable damage and damage to the thin-wall/tiny parts, while the electric spark cutting is a cutting mode of a non-contact or micro-contact workpiece, and does not generate the same cutting force as the band saw or the sand line machine on the workpiece, so for the processing of the thin-wall/tiny cylindrical parts, the electric spark wire cutting is usually used for processing.
The traditional wire cut electrical discharge machine adopts a vertical cutting method, namely, a wire electrode is cut in the vertical direction, and because 3D printed workpieces are not all continuous integral parts and many workpieces are array combinations of the same workpieces, the problem of workpiece collection exists after the cutting of some workpieces is finished, namely, after the cutting is finished, the workpieces arranged at the upper part drop under the action of gravity, so that the workpieces collide with each other and are damaged; the fixed workpiece is cut, so that the tool requirement is high and the structure is complex; in addition, due to the action of gravity of the workpiece, the position of the workpiece changes in the workpiece cutting time period, so that the machining gap changes, if the gap is increased, the wire electrode is not affected, once the gap is decreased, the wire clamping phenomenon is easy to occur, and wire breakage is caused seriously. In addition, the processing efficiency of vertical linear cutting is lower, and the existing cutting efficiency is 180mm2/min。
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can avoid the card silk and can improve the horizontal wire-electrode cutting device of cutting efficiency.
In order to achieve the above object, the utility model provides a horizontal wire-electrode cutting device, it includes:
the bottom end of the base is suspended with an electrified guide mechanism, and the electrified guide mechanism comprises a conductive assembly, a first guider and a second guider which are transversely arranged at intervals;
the liquid storage tank is positioned below the machine base, the upper end of the liquid storage tank is of an open hollow structure, and the first guider and the second guider both extend into the liquid storage tank;
the wire winding mechanism comprises a first wire winding drum and a second wire winding drum which are positioned on two sides of the base;
and the first end of the electrode wire is connected with the first wire winding drum, and the second end of the electrode wire penetrates through the electrifying guide mechanism to be connected with the second wire winding drum.
The above transverse linear cutting device, wherein the base is further connected with a speed measuring mechanism, the speed measuring mechanism comprises:
the first wire arranging wheel is positioned on one side, adjacent to the first wire winding drum, of the base, and a first speed measuring machine is connected to the first wire arranging wheel;
the second wire arrangement wheel is positioned on one side of the machine base, which is adjacent to the second wire winding drum, and a second speed measuring machine is connected to the second wire arrangement wheel;
the controller is electrically connected with the first speed measuring machine, the second speed measuring machine, the first wire winding drum and the second wire winding drum, and adjusts the rotating speeds of the first wire winding drum and the second wire winding drum according to detection signals of the first speed measuring machine and the second speed measuring machine;
the electrode wire sequentially bypasses the first wire arranging wheel, penetrates through the electrifying guide mechanism, bypasses the second wire arranging wheel and is connected with the second wire winding drum.
The horizontal linear cutting device is characterized in that the base is further connected with a tension mechanism, the tension mechanism comprises a vertically arranged tension arm, a first end of the tension arm can rotate and is connected with the base, a second end of the tension arm is connected with a tension wheel, and the electrode wire can sequentially penetrate through the lower portion of the first wire arranging wheel, bypasses the tension wheel and penetrates through the upper portion of the second wire arranging wheel and then penetrates through the power-on guide mechanism.
The transverse wire cutting device is characterized in that the base is connected with a tension motor, an output shaft of the tension motor is connected with the first end of the tension arm, and the output shaft of the tension motor can drive the tension arm to rotate.
The transverse wire cutting device comprises a tension motor, a controller and a detector, wherein the tension motor is provided with the detector for detecting the deflection angle of the tension arm, the detector is electrically connected with the controller, and the controller adjusts the rotating speed of the first wire winding drum and the second wire winding drum according to a detection signal of the detector.
The transverse wire cutting device is characterized in that the base is further connected with an auxiliary wheel, the auxiliary wheel is positioned on one side, back to the second wire winding drum, of the second wire arranging wheel, and the electrode wire passing through the power-on guide mechanism can sequentially pass through the upper part of the second wire arranging wheel, bypasses the auxiliary wheel, passes through the lower part of the second wire arranging wheel and is connected with the second wire winding drum.
The transverse wire cutting device according to the above, wherein the side wall of the base adjacent to the first wire winding drum is a first connecting wall, the axis of the first wire winding drum is parallel to the first connecting wall, the side wall of the base adjacent to the second wire winding drum is a second connecting wall, and the axis of the second wire winding drum is parallel to the second connecting wall;
the transverse wire cutting device further comprises an adjusting mechanism, and the adjusting mechanism comprises:
the first detection assembly is connected to the first connecting wall and comprises two first deflection wheels which are arranged side by side at intervals, the first deflection wheels are electrically connected with the controller, the wire electrode can penetrate through the two first deflection wheels, and the wire electrode can drive the first deflection wheels to rotate;
the controller is electrically connected with the first wire arranging motor, the controller can start the first wire arranging motor in a state that the first deflector wheel rotates, and the first wire arranging motor can drive the first wire winding drum to reciprocate along the axial direction of the first wire winding drum;
the second detection assembly is connected to the second connecting wall and comprises two second deflection wheels which are arranged side by side at intervals, the second deflection wheels are electrically connected with the controller, the wire electrode can penetrate through the two second deflection wheels, and the wire electrode can drive the second deflection wheels to rotate;
the second wire arranging motor is connected with the second wire winding drum, the controller is electrically connected with the second wire arranging motor, the controller can start the second wire arranging motor in a state that the second deflection wheel rotates, and the second wire arranging motor can drive the second wire winding drum to reciprocate along the axis direction of the second wire winding drum.
The transverse linear cutting device as described above, wherein two sides of the bottom of the base are respectively connected with a cantilever, the lower portions of the two cantilevers extend into the liquid storage tank, and the first guide and the second guide are respectively connected to the lower portions of the two cantilevers.
The transverse wire cutting device according to the above, wherein the power-on guide mechanism further comprises a first main guide wheel and a second main guide wheel respectively connected to the two cantilevers, the first main guide wheel is located below the first wire arranging wheel, and the second main guide wheel is located below the second wire arranging wheel.
The transverse wire cutting device according to the above, wherein the conductive assembly includes a first conductive block and a second conductive block, and the first conductive block and the second conductive block are respectively connected to the two cantilevers.
Compared with the prior art, the utility model has the advantages as follows:
the transverse linear cutting device effectively increases the working length of the wire electrode, increases the running speed of the wire electrode and reduces the idle time of reversing by arranging the first wire winding drum and the second wire winding drum, thereby being capable of efficiently cutting for a long time;
the utility model discloses a horizontal linear cutting device leads the wire electrode in cutting area through first director and second director for the wire electrode can carry out the horizontal cutting to the work piece, has effectively avoided the card silk phenomenon, and the condition of the mutual collision of work piece can not appear;
the utility model discloses a horizontal linear cutting device, through setting up the wire electrode in cutting area under the liquid level, improved the operational environment of wire electrode, make the heat that the wire electrode produced in processing rapidly take away by the processing medium, thereby increased the current-carrying capacity of wire electrode, effectively improved cutting speed, and improved the speed that the medium got into the work piece, made the chip removal accelerate, and discharge passage recovery time is less, guarantee that normal discharge pulse forms and increases, further improved cutting efficiency;
the utility model discloses a transverse linear cutting device, through setting up the tachometer mechanism, can adjust the rotational speed of first silk reel and second silk reel in real time to make the rotational speed of first silk reel and second silk reel and preset walk silk speed phase-match, thereby make the wire electrode can walk the operation at preset speed;
the utility model discloses a transverse wire cutting device, through setting up the tension mechanism, make the wire electrode can carry on the cutting operation with the constant tension of settlement;
the utility model discloses a horizontal wire cutting device through setting up adjustment mechanism for the row's silk can be according to the row's silk apart from even winding of settlement.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural view of a transverse wire cutting device according to the present invention;
fig. 2A to 2L are schematic structural views of an adjustment process of the adjustment mechanism.
The reference numbers illustrate:
100. a machine base; 101. a first connecting wall; 102. a second connecting wall; 103. a cantilever;
110. a tension mechanism; 111. a tension arm; 112. a tension pulley; 113. a tension motor;
120. an auxiliary wheel;
210. a conductive component; 211. a first conductive block; 212. a second conductive block;
220. a first guide;
230. a second guide;
240. a first main sheave;
250. a second main sheave;
300. a liquid storage tank;
410. a first spool of wire; 411. a first reel; 412. a first wire winding motor;
420. a second spool of wire; 421. a first reel; 422. a second wire winding motor;
500. a wire electrode;
610. a first wire arranging wheel;
620. a second row of wire wheels;
710. a first deflector wheel;
720. a first wire arranging motor;
730. a second deflector wheel;
740. a second wire arranging motor;
800. a workpiece; 810. a workpiece substrate.
Detailed Description
In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "horizontal" and "vertical", "longitudinal" and "lateral", "forward", and "reverse" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. Furthermore, the terms "first", "second", "third", "fourth", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of such features.
As shown in fig. 1, the utility model provides a horizontal wire cutting device, it includes frame 100, reservoir 300, wire winding mechanism and wire electrode 500, wherein:
the structure of the machine base 100 is substantially the same as that of the prior art, and is not described herein again, an energization guiding mechanism is suspended at the bottom end of the machine base 100, the energization guiding mechanism includes a conductive component 210, and a first guider 220 and a second guider 230 which are transversely arranged at intervals, the conductive component 210 can conduct electric energy to the wire electrode 500, so that a discharge channel is formed between the wire electrode 500 and the workpiece 800, a cutting area is formed at the interval between the first guider 220 and the second guider 230, and the workpiece 800 to be cut is suspended on a mobile device through a workpiece substrate 810 and is suspended between the first guider 220 and the second guider 230 through the mobile device;
the liquid storage tank 300 is positioned below the machine base 100, the liquid storage tank 300 is of a hollow structure with an open upper end, liquid is contained in the liquid storage tank 300, the first guider 220 and the second guider 230 both extend into the liquid storage tank 300 from the upper end of the liquid storage tank 300, and the first guider 220 and the second guider 230 are both contained in the liquid, so that the cutting operation can be carried out in the liquid, and further, heat generated by the wire electrode 500 in the processing process is rapidly taken away by a processing medium (the liquid in the liquid storage tank 300);
the wire winding mechanism includes a first wire winding drum 410 and a second wire winding drum 420 located at two sides of the base 100, as shown in fig. 1 and fig. 2A to fig. 2L, the first wire winding drum 410 includes a first wire winding motor 412 and a first winding drum 411 connected to an output shaft of the first wire winding motor 412, the first winding drum 411 can rotate synchronously with the output shaft of the first wire winding motor 412 to perform a wire winding or wire unwinding operation, specifically, the first winding drum 411 can be connected to the output shaft of the first wire winding motor 412 through a key or can be connected to the output shaft of the first wire winding motor 412 through a coupling, the second wire winding drum 420 includes a second wire winding motor 422 and a second winding drum 421 connected to an output shaft of the second wire winding motor 422, the second winding drum 421 can rotate synchronously with the output shaft of the second wire winding motor 422 to perform a wire winding or wire unwinding operation, the second winding drum 421 can be connected to the output shaft of the second wire winding motor 422 through a key, the first winding drum 411 and the second winding drum 421 may also be connected to an output shaft of the second winding motor 422 through a coupling, where the specific structures are the prior art and are not described herein again;
the first end of the wire electrode 500 is connected with the first wire winding drum 410, specifically, the first end of the wire electrode 500 is connected with the first winding drum 411, the second end of the wire electrode 500 passes through the electric conduction mechanism to be connected with the second winding drum 421, specifically, the wire electrode 500 in the cutting area is approximately horizontally arranged under the guiding action of the first guider 220 and the second guider 230, so that the workpiece 800 can be transversely cut, if the first wire winding drum 410 is in the wire unwinding state, the second wire winding drum 420 is in the wire winding state, at this time, the first winding drum 411 is a driving wheel, the second winding drum 421 is a driven wheel, if the first wire winding drum 410 is in the wire winding state, the second wire winding drum 420 is in the wire unwinding state, at this time, the first winding drum 411 is a driven wheel, the second winding drum 421 is a driving wheel, preferably, the wire electrode 500 adopts molybdenum wire, and due to the arrangement of the first wire winding drum 410 and the second winding drum 420, the wire storage length of the wire electrode 500 can reach 5000 meters, and the running speed of the wire electrode 500 can reach 20 meters per minute, so that the long-time (600 hours) high-efficiency (300 mm) can be ensured2Min), the wire electrode 500 is normally wound entirely on the first reel 411 in the initial state, but the wire electrode 500 may be wound entirely on the second reel 21.
Specifically, when the cutting operation is performed, the conductive component 210 transmits electric energy to the wire electrode 500, so that the wire electrode 500 becomes one electrode of a discharge channel, the substrate of the workpiece to be cut 800 is connected with the mobile device, the workpiece to be cut 800 is moved to a position between the first guider 220 and the second guider 230 through the mobile device, and the other electrode of the conductive channel is arranged on the workpiece to be cut 800, so that a voltage difference can be generated between the wire electrode 500 and the workpiece to be cut 800, and thus a discharge channel can be formed between the wire electrode 500 and the workpiece to be cut 800 under the condition of dielectric breakdown; the first wire winding motor 412 and the second wire winding motor 422 are started to forward drive, so that the first winding drum 411 is in a wire unwinding state, the second winding drum 421 is in a wire winding state, the first wire winding motor 412 and the second wire winding motor 422 are reversely rotated until the wire unwinding of the first winding drum 411 is finished, so that the first winding drum 411 is in the wire winding state, the second winding drum 421 is in the wire unwinding state until the wire unwinding of the second winding drum 421 is finished, and then the processes are repeated, wherein in the cutting process, the rotating speeds of the first wire winding motor 412 and the second wire winding motor 422 are matched with the preset wire winding speed.
The utility model provides a horizontal linear cutting device, through setting up first silk reel 410 and second silk reel 420, effectively increased the working length of wire electrode 500, and increased the wire electrode 500 functioning speed, reduced the idle time of switching-over to can carry out the cutting operation for a long time with high efficiency; the electrode wire 500 in the cutting area is guided by the first guider 220 and the second guider 230, so that the electrode wire 500 can transversely cut the workpiece 800, the wire clamping phenomenon is effectively avoided, and the mutual collision of the workpieces 800 cannot occur; the wire electrode 500 through with the cutting area sets up under the liquid level, has improved wire electrode 500's operational environment, and the heat that makes wire electrode 500 produce in the processing is taken away by the processing medium rapidly to increased wire electrode 500's current-carrying capacity (traditional 0.2 millimeter diameter wire electrode 500's current-carrying capacity is less than 10A, and the utility model discloses a wire electrode 500's current-carrying capacity can reach 20A), effectively improved cutting speed, thereby improved the speed that the medium got into work piece 800, made the chip removal accelerate, discharge channel recovery time is less, guarantees that normal discharge pulse forms and increases, has further improved cutting efficiency.
In an embodiment of the present invention, as shown in fig. 1, a speed measuring mechanism is further connected to the base 100, and the speed measuring mechanism includes a first wire wheel 610, a second wire wheel 620 and a controller (not shown in the figure), wherein:
the first wire arranging wheel 610 is located on one side of the machine base 100 adjacent to the first wire winding drum 410, and a first speed measuring machine (not shown in the figure) is connected to the first wire arranging wheel 610, specifically, the first speed measuring machine is a first encoder, and the first encoder is coaxially connected with the first wire arranging wheel 610;
the second wire arranging wheel 620 is located on one side of the machine base 100 adjacent to the second wire winding drum 420, and a second speed measuring machine (not shown in the figure) is connected to the second wire arranging wheel 620, specifically, the second speed measuring machine is a second encoder, and the second encoder is coaxially connected to the second wire arranging wheel 620;
the controller is electrically connected with the first speed measuring machine, the second speed measuring machine, the first wire winding drum 410 and the second wire winding drum 420, and adjusts the rotating speeds of the first wire winding drum 410 and the second wire winding drum 420 according to detection signals of the first speed measuring machine and the second speed measuring machine, specifically, the controller can be a PLC (programmable logic controller);
the electrode wire 500 sequentially bypasses the first wire arranging wheel 610, passes through the power-on guide mechanism and bypasses the second wire arranging wheel 620 and then is connected with the second wire winding drum 420, the first encoder can detect the rotating speed of the first wire arranging wheel 610, so that the rotating speed of the first wire winding drum 410 is known, the second encoder can detect the rotating speed of the second wire arranging wheel 620, so that the rotating speed of the second wire winding drum 420 is known, the controller adjusts the rotating speeds of the first wire winding drum 410 and the second wire winding drum 420 in real time according to detection signals sent by the first encoder and the second encoder, so that the rotating speeds of the first wire winding drum 410 and the second wire winding drum 420 are matched with a preset wire travelling speed, and the electrode wire 500 can run at a constant speed.
Of course, the first and second tachometers may also adopt other sensors capable of detecting the rotation speed, and the first and second tachometers may adopt the same structure or different structures, as long as the real-time rotation speeds of the first and second wire winding drums 410 and 420 can be detected, which is not described in detail herein.
Further, as shown in fig. 1, two sides of the bottom of the base 100 are respectively connected with the cantilevers 103, specifically, the two cantilevers 103 are symmetrically disposed and connected to the bottom of the base 100, and the two cantilevers 103 are respectively adjacent to the first wire winding drum 410 and the second wire winding drum 420, the two cantilevers 103 can be connected to the base 100 by bolts, or can be welded to the base 100, or can be integrally formed with the base 100, the lower portions of the two cantilevers 103 extend into the liquid storage tank 300, the first guide 220 and the second guide 230 are respectively connected to the lower portions of the two cantilevers 103, and the arrangement of the cantilevers 103 makes the connection between the first guide 220 and the second guide 230 and the base 100 simple and convenient, preferably, the first guide 220 and the second guide 230 are located on the same horizontal plane.
Still further, the conductive assembly 210 includes a first conductive block 211 and a second conductive block 212, the first conductive block 211 and the second conductive block 212 are respectively connected to the two cantilevers 103, and the first conductive block 211 and the second conductive block 212 conduct electric energy to the wire electrode 500, so that reliability of conducting electric energy from the conductive assembly 210 to the wire electrode 500 can be increased.
Further, the electrified guide mechanism further comprises a first main guide wheel 240 and a second main guide wheel 250 respectively connected to the two suspension arms 103, the first main guide wheel 240 is located below the first wire arranging wheel 610, the second main guide wheel 250 is located below the second wire arranging wheel 620, the wire electrode 500 sequentially bypasses the first wire arranging wheel 610, the second wire arranging wheel 620, the first conducting block 211, the first guide 220, the second guide 230, the second conducting block 212, the second main guide wheel 250, the second wire arranging wheel 620 and is connected with the second wire winding drum 420, the first main guide wheel 240 and the second main guide wheel 250 are arranged to increase the horizontal length of the wire electrode 500, so that the cutting operation can be smoother, specifically, the first main guide wheel 240 and the second main guide wheel 250 are both made of wear-resistant materials (such as gemstones), so that the dimensional accuracy of the first main guide wheel 240 and the second main guide wheel 250 is less changed within the range of the service life, thereby ensuring that the position deviation of the wire electrode 500 in the processing is within the control range.
In an example of this embodiment, as shown in fig. 1, a tension mechanism 110 is further connected to the base 100, the tension mechanism 110 includes a vertically disposed tension arm 111, a first end of the tension arm 111 is rotatably connected to the base 100, a second end of the tension arm 111 is connected to a tension pulley 112, the wire electrode 500 can sequentially pass through a lower portion of the first wire arranging pulley 610, pass around the tension pulley 112, pass through an upper portion of the second wire arranging pulley 620, pass through the electric conduction guide mechanism, pass around the second wire arranging pulley 620, and be connected to the second wire winding drum 420, specifically, a first guide slot (not shown) for passing the wire electrode 500 is provided at a lower portion of the first wire arranging pulley 610, a second guide slot (not shown) for passing the wire electrode 500 is provided at an upper portion of the first wire arranging pulley 610, the tension arm 111 is in a vertical position during normal operation, when tension of the wire electrode 500 is changed, the wire electrode is swung relative to the base 100 by the tension arm 111, the tension of the wire electrode 500 is adjusted so that the wire electrode 500 is always in a tensioned state, thereby facilitating the smooth proceeding of the cutting operation.
Further, a tension motor 113 is connected to the base 100, the specific structure of the tension motor 113 is the prior art, and details are not repeated herein, an output shaft of the tension motor 113 is connected to the first end of the tension arm 111, the output shaft of the tension motor 113 can drive the tension arm 111 to rotate, and the tension arm 111 is driven by the tension motor 113 to swing relative to the base 100, so that the operation of adjusting the tension of the wire electrode 500 becomes simple and convenient, and a constant tension controller of the tension motor 113 can ensure that the output tension is constant, that is, the tension mechanism 110 can generate a constant tension to the wire electrode 500, and the tension can be adjusted according to actual process parameters, in this embodiment, the adjustment range of the tension is 0-20N.
Further, a detector (not shown in the figure) for detecting the deflection angle of the tension arm 111 is disposed on the tension motor 113, the detector is electrically connected to the controller, the controller adjusts the rotation speed of the first wire winding drum 410 and the second wire winding drum 420 according to a detection signal of the detector, specifically, the detector is a third encoder, when the tension of the wire electrode 500 is not changed, the tension arm 111 is in a vertical setting state, at this time, the third encoder feeds back a normal signal, the controller does not adjust the rotation speed of the first wire winding drum 410 and the second wire winding drum 420, when the tension of the wire electrode 500 is decreased, the tension arm 111 deflects towards the second wire winding drum 420, at this time, the third encoder feeds back a tension decreasing signal, at this time, if the first wire winding drum 410 unwinds the wire, the second wire winding drum 420 winds the wire, the controller adjusts the first wire winding motor 412 to decelerate, the second wire winding motor 422 accelerates until the tension arm 111 returns to the vertical setting, the third encoder feeds back a normal signal, the controller adjusts the rotating speeds of the first wire winding drum 410 and the second wire winding drum 420 to be matched with the preset wire feeding speed, when the tension of the wire electrode 500 is increased, the tension arm 111 deflects towards the first wire winding drum 410, the third encoder feeds back a tension increasing signal at the moment, if the first wire winding drum 410 feeds out the wire, the second wire winding drum 420 takes in the wire, the controller adjusts the first wire winding motor 412 to accelerate, the second wire winding motor 422 decelerates until the tension arm 111 returns to the vertical setting, the third encoder feeds back a normal signal, and the controller adjusts the rotating speeds of the first wire winding drum 410 and the second wire winding drum 420 to be matched with the preset wire feeding speed.
Further, the base 100 is further connected with an auxiliary wheel 120, the auxiliary wheel 120 is located on a side of the second wire arranging wheel 620 facing away from the second wire winding drum 420, preferably, the auxiliary wheel 120 and the tension wheel 112 when the tension arm 111 is vertically arranged are substantially symmetrically arranged, the electrode wires 500 passing through the power-on guide mechanism sequentially pass through the upper portion of the second wire arranging wheel 620, bypass the auxiliary wheel 120, pass through the lower portion of the second wire arranging wheel 620 and are connected with the second wire winding drum 420, specifically, the lower portion of the second wire arranging wheel 620 is provided with a third guide groove (not shown in the figure) for the electrode wires 500 to pass through, the upper portion of the second wire arranging wheel 620 is provided with a fourth guide groove (not shown in the figure) for the electrode wires 500 to pass through, and the auxiliary wheel 120 is arranged to enable the electrode wires 500 on both sides of the base 100 to be basically stressed evenly.
In one example of this embodiment, as shown in fig. 1, the side wall of the housing 100 adjacent to the first wire reel 410 is a first connecting wall 101, the axis of the first wire reel 410 is parallel to the first connecting wall 101, the side wall of the housing 100 adjacent to the second wire reel 420 is a second connecting wall 102, and the axis of the second wire reel 420 is parallel to the second connecting wall 102;
horizontal wire cutting device still includes adjustment mechanism, and adjustment mechanism can adjust the position of first silk reel 410 and second silk reel 420 in real time to correct the row's silk distance of electrode silk 500 on first silk reel 410 and the second silk reel 420 in the adjustment in real time, guarantee to arrange the silk and evenly wind according to the row's silk distance of setting for, adjustment mechanism includes first detection component, first row's silk motor 720, second detection component and second row's silk motor 740, wherein:
the first detection assembly is connected to the first connecting wall 101, the first detection assembly includes two first deflection wheels 710 arranged side by side at an interval, the first deflection wheels 710 are electrically connected to the controller, specifically, the interval between the two first deflection wheels 710 is about 3mm, and the first deflection wheels 710 are provided with a rotation speed sensor (not shown in the figure), the rotation speed sensor can feed back a detection signal to the controller, the wire electrode 500 can pass through the two first deflection wheels 710, and the wire electrode 500 can drive the first deflection wheels 710 to rotate, specifically, after the position of the wire electrode 500 is deflected, the wire electrode can contact with the first deflection wheels 710 to generate friction, the first deflection wheels 710 rotate under the action of the friction force, and stop rotating after the friction force is lost;
the first wire arranging motor 720 is connected with the first wire winding drum 410, the controller is electrically connected with the first wire arranging motor 720, the controller starts the first wire arranging motor 720 in a state that the first deflection wheel 710 rotates, the first wire arranging motor 720 can drive the first wire winding drum 410 to reciprocate along the axial direction of the first wire winding drum 410, specifically, the first wire arranging motor 720 is connected with the first wire winding drum 410 through a worm gear structure or a bevel gear transmission structure, as shown in fig. 2A to 2D, if the electrode wire 500 contacts with one of the first deflection wheels 710 and rotates the first deflection wheel 710, the rotation speed sensor on the first deflection wheel 710 feeds back a rotation signal to the controller, the controller controls the first wire arranging motor 720 to drive the first wire winding drum 410 to move towards the direction opposite to the first deflection wheel 710 until the electrode wire 500 is readjusted between the two first deflection wheels 710, and the first deflection wheel 710 loses the friction force and stops rotating, a rotation speed sensor on the first deflector wheel 710 feeds back a stop signal to a controller, and the controller controls the first wire arranging motor 720 to stop working;
the second detecting assembly is connected to the second connecting wall 102, the second detecting assembly includes two second deflecting rollers 730 arranged side by side at an interval, the second deflecting rollers 730 are electrically connected to the controller, specifically, the interval between the two second deflecting rollers 730 is about 3mm, similarly, a rotation speed sensor (not shown in the figure) is also arranged on the second deflecting rollers 730, the wire electrode 500 can pass through the two second deflecting rollers 730, and the wire electrode 500 can drive the second deflecting rollers 730 to rotate, specifically, after the wire electrode 500 is deflected, the wire electrode 500 can contact with the second deflecting rollers 730 to generate friction force, the second deflecting rollers 730 can rotate under the action of the friction force, and stop rotating after the friction force is lost;
the second wire arranging motor 740 is connected to the second wire winding drum 420, the controller is electrically connected to the second wire arranging motor 740, the controller starts the second wire arranging motor 740 in a state that the second wire deflecting roller 730 rotates, the second wire arranging motor 740 can drive the second wire winding drum 420 to reciprocate along the axial direction of the second wire winding drum 420, specifically, the second wire arranging motor 740 is connected to the second wire winding drum 420 through a worm gear structure or a bevel gear transmission structure, as shown in fig. 2E to 2H, if the wire electrode 500 contacts one of the second deflecting rollers 730 and rotates the second deflecting roller 730, the rotation speed sensor on the second deflecting roller 730 feeds back a rotation signal to the controller, the controller controls the second wire arranging motor 740 to drive the second wire winding drum 420 to move in a direction opposite to the second deflecting roller 730 until the wire electrode 500 is readjusted between the two second deflecting rollers 730, and after the second deflecting roller 730 loses friction force and stops rotating, a rotation speed sensor on the second deflector wheel 730 feeds back a stop signal to the controller, and the controller controls the second wire arranging motor 740 to stop working;
in addition, as shown in fig. 2I to 2L, when the first wire winding drum 410 or the second wire winding drum 420 discharges the wire to the position connected to the wire electrode 500, the first wire winding drum 410 or the second wire winding drum 420 continues to rotate, the side baffle of the first wire winding drum 410 or the second wire winding drum 420 biases the wire electrode 500, at this time, the wire electrode 500 contacts the first deflection wheel 710 or the second deflection wheel 730, under the action of friction, the first deflection wheel 710 or the second deflection wheel 730 rotates, and the controller controls the first wire discharge motor 720 or the second wire discharge motor 740 to operate according to the received feedback signal to adjust the position of the wire electrode 500.
The working process of the transverse wire cutting device of the present invention is specifically described below with reference to the accompanying drawings:
as shown in fig. 1, the first wire winding drum 410 is fully wound with the wire electrode 500, and the second end of the wire electrode 500 passes through the two first deflection wheels 710, then sequentially passes through the first guide groove at the lower part of the first wire row 610, passes through the tension wheel 112, passes through the second guide groove at the upper part of the second wire row 620, passes through the first conductive block 211, passes through the first guide 220, passes through the second guide 230, passes through the second conductive block 212, passes through the third guide groove at the upper part of the second wire row 620, passes through the auxiliary wheel 120, passes through the fourth guide groove at the lower part of the second wire row 620, passes through the two second deflection wheels 730, and then is connected with the second wire winding drum 420;
when the cutting operation is performed, the conductive component 210 transmits electric energy to the wire electrode 500, so that the wire electrode 500 becomes one electrode of a discharge channel, the substrate of the workpiece to be cut 800 is connected with the mobile device, the workpiece to be cut 800 is moved to a position between the first guider 220 and the second guider 230 through the mobile device, and the other electrode of the conductive channel is arranged on the workpiece to be cut 800, so that the discharge channel can be formed between the wire electrode 500 and the workpiece to be cut 800;
the controller controls the first wire winding drum 410 and the second wire winding drum 420 to rotate forward, and makes the first winding drum 411 in a wire unwinding state, the second winding drum in a wire winding state, until the wire unwinding of the first wire winding drum 410 is finished, the controller controls the first wire winding drum 410 and the second wire winding drum 420 to rotate reversely, so that the first wire winding drum 410 is in a wire winding state, the second wire winding drum 420 is in a wire unwinding state, until the wire unwinding of the second wire winding drum 420 is finished, and then the above processes are repeated, and during the whole cutting process, the controller controls the working states of the first wire arrangement motor 720 and the second wire arrangement motor 740 in real time according to feedback signals of the first deflection wheel 710 and the second deflection wheel 730, so as to ensure that the wire arrangement is uniformly wound according to the set wire arrangement distance, and the specific adjustment process is described above, and will not be described in detail herein.
An implementation of the utility model also provides a control method of horizontal wire-electrode cutting device, it includes:
the control unit judges whether the first wire winding drum and the second wire winding drum run normally or not according to feedback signals of the first speed measuring machine and the second speed measuring machine, if the first wire winding drum and the second wire winding drum run normally, the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are adjusted until the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are matched with a preset wire running speed, specifically, if the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are smaller than the preset wire running speed, the first wire winding drum and the second wire winding drum are controlled to be increased to be matched with the preset wire running speed, if the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are larger than the preset wire running speed, the first wire winding drum and the second wire winding drum are controlled to be reduced to be matched with the preset wire running speed, and if the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are equal to the preset wire running speed, the first wire winding drum and the second wire winding drum are controlled to run, and if the first wire winding drum and the second wire winding drum are judged not to normally run, controlling the first wire winding drum and the second wire winding drum to stop working so that a worker can timely perform maintenance operation.
The control unit may be a PLC controller, or a device (e.g., a computer) including a PLC controller, and when the determination result of the control unit is that the device is not operating normally, the device may prompt on a designed display screen.
Further, the abnormal operation comprises wire breakage and wire feeding, and the judgment of whether the first wire winding drum and the second wire winding drum operate normally specifically comprises the step that the control unit compares the difference value of the feedback signals of the first speed measuring machine and the second speed measuring machine with a preset deviation value, since the difference is an absolute value and the detection results of the first tachometer and the second tachometer have a deviation, in order to eliminate the deviation, determining a deviation value range according to the actual measurement deviation, wherein the deviation value range is 10-15 if the actual measurement deviation is 10, the deviation range is a preset deviation value, if the difference value is larger than the preset deviation value, the wire is judged to be broken, if the first speed measuring machine and the second speed measuring machine have no feedback signals, that is, if the feedback value of the first tachometer and the feedback value of the second tachometer are both 0, it is determined that no wire is fed, and if the difference value is less than or equal to the preset deviation value, it is determined that the wire is normally operated.
Further, when the tension arm moves, the rotating speed of the first wire winding drum and the rotating speed of the second wire winding drum are adjusted according to the feedback signal of the sensor until the tension arm returns to the vertical setting, specifically, when the tension of the wire electrode is not changed, namely the tension arm is in the vertical state, the detector feeds back a normal signal, the control unit does not adjust the rotating speeds of the first wire winding drum and the second wire winding drum, when the tension of the wire electrode is reduced, the tension arm deflects towards the second wire winding drum, the detector feeds back a signal that the tension is reduced, at the moment, if the first wire winding drum releases the wire, the second wire winding drum retracts the wire, the control unit adjusts the first wire winding motor to decelerate, the second wire winding motor accelerates until the tension arm returns to the vertical setting, the detector feeds back a normal signal, the control unit adjusts the rotating speeds of the first wire winding drum and the second wire winding drum to be matched with the operating speed of the wire electrode, so that first silk reel and second silk reel move with current rotational speed, when the tension grow of wire electrode, the tension arm deflects towards first silk reel, detector feedback tension grow signal this moment, at this moment, if first silk reel is unreeled, the silk is received to the second silk reel, the first wire winding motor of the control unit adjustment is accelerated, the second wire winding motor slows down, resume vertical setting until the tension arm, detector feedback normal signal, the control unit with the rotational speed adjustment of first silk reel and second silk reel to with the speed phase-match of walking of predetermineeing.
The utility model discloses a control method of horizontal wire-electrode cutting device, simple and convenient is through the functioning speed of the first silk reel of control unit adjustment and second silk reel for the linear velocity of wire electrode keeps unanimous with the instruction value, thereby guarantees that the linear velocity of wire electrode is invariable, and can control the wire electrode and cut with constant tension, so that horizontal wire-electrode cutting device can be with high efficiency (300 mm)2Min), ultra-long (600 hours) continuous cutting operation.
To sum up, the transverse wire cutting device of the utility model effectively increases the working length of the wire electrode, increases the running speed of the wire electrode and reduces the idle time of reversing by arranging the first wire winding drum and the second wire winding drum, thereby being capable of cutting for a long time and efficiently;
the utility model discloses a horizontal linear cutting device leads the wire electrode in cutting area through first director and second director for the wire electrode can carry out the horizontal cutting to the work piece, has effectively avoided the card silk phenomenon, and the condition of the mutual collision of work piece can not appear;
the utility model discloses a horizontal linear cutting device, through setting up the wire electrode in cutting area under the liquid level, improved the operational environment of wire electrode, make the heat that the wire electrode produced in processing rapidly take away by the processing medium, thereby increased the current-carrying capacity of wire electrode, effectively improved cutting speed, and improved the speed that the medium got into the work piece, made the chip removal accelerate, and discharge passage recovery time is less, guarantee that normal discharge pulse forms and increases, further improved cutting efficiency;
the utility model discloses a transverse linear cutting device, through setting up the tachometer mechanism, can adjust the rotational speed of first silk reel and second silk reel in real time to make the rotational speed of first silk reel and second silk reel and preset walk silk speed phase-match, thereby make the wire electrode can walk the operation at preset speed;
the utility model discloses a transverse wire cutting device, through setting up the tension mechanism, make the electrode wire can carry out the cutting operation with the constant tension that sets up;
the utility model discloses a horizontal wire cutting device through setting up adjustment mechanism for the row's silk can be according to the row's silk apart from even winding of settlement.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.
Claims (10)
1. A transverse wire cutting apparatus, characterized in that the transverse wire cutting apparatus comprises:
the bottom end of the base is suspended with an electrified guide mechanism, and the electrified guide mechanism comprises a conductive assembly, a first guider and a second guider which are transversely arranged at intervals;
the liquid storage tank is positioned below the machine base, the upper end of the liquid storage tank is of an open hollow structure, and the first guider and the second guider both extend into the liquid storage tank;
the wire winding mechanism comprises a first wire winding drum and a second wire winding drum which are positioned on two sides of the base;
and the first end of the electrode wire is connected with the first wire winding drum, and the second end of the electrode wire penetrates through the electrifying guide mechanism to be connected with the second wire winding drum.
2. The transverse wire cutting device according to claim 1,
still be connected with speed measuring mechanism on the frame, speed measuring mechanism includes:
the first wire arranging wheel is positioned on one side, adjacent to the first wire winding drum, of the base, and a first speed measuring machine is connected to the first wire arranging wheel;
the second wire arrangement wheel is positioned on one side of the machine base, which is adjacent to the second wire winding drum, and a second speed measuring machine is connected to the second wire arrangement wheel;
the controller is electrically connected with the first speed measuring machine, the second speed measuring machine, the first wire winding drum and the second wire winding drum, and adjusts the rotating speeds of the first wire winding drum and the second wire winding drum according to detection signals of the first speed measuring machine and the second speed measuring machine;
the electrode wire sequentially bypasses the first wire arranging wheel, penetrates through the electrifying guide mechanism, bypasses the second wire arranging wheel and is connected with the second wire winding drum.
3. The transverse wire cutting device according to claim 2,
still be connected with tension mechanism on the frame, tension mechanism includes the tension arm of vertical setting, the first end of tension arm can the pivoted with the frame meets, the second end of tension arm is connected with the tension pulley, the electrode wire can pass in proper order the lower part of first row of silk wheel, walk around the tension pulley passes behind the upper portion of second row of silk wheel circular telegram guiding mechanism.
4. The transverse wire cutting device according to claim 3,
the base is connected with a tension motor, an output shaft of the tension motor is connected with a first end of the tension arm, and the output shaft of the tension motor can drive the tension arm to rotate.
5. The transverse wire cutting device according to claim 4,
the tension motor is provided with a detector for detecting the deflection angle of the tension arm, the detector is electrically connected with the controller, and the controller adjusts the rotating speed of the first wire winding drum and the second wire winding drum according to a detection signal of the detector.
6. The transverse wire cutting device according to claim 3,
the machine base is further connected with an auxiliary wheel, the auxiliary wheel is located on one side, back to the second wire winding drum, of the second wire arranging wheel, the electrode wire penetrating through the electrifying guide mechanism can sequentially penetrate through the upper portion of the second wire arranging wheel, bypasses the auxiliary wheel, penetrates through the lower portion of the second wire arranging wheel and is connected with the second wire winding drum.
7. The transverse wire cutting device according to claim 2,
the side wall of the base, which is adjacent to the first wire winding drum, is a first connecting wall, the axis of the first wire winding drum is parallel to the first connecting wall, the side wall of the base, which is adjacent to the second wire winding drum, is a second connecting wall, and the axis of the second wire winding drum is parallel to the second connecting wall;
the transverse wire cutting device further comprises an adjusting mechanism, and the adjusting mechanism comprises:
the first detection assembly is connected to the first connecting wall and comprises two first deflection wheels which are arranged side by side at intervals, the first deflection wheels are electrically connected with the controller, the wire electrode can penetrate through the two first deflection wheels, and the wire electrode can drive the first deflection wheels to rotate;
the controller is electrically connected with the first wire arranging motor, the controller can start the first wire arranging motor in a state that the first deflector wheel rotates, and the first wire arranging motor can drive the first wire winding drum to reciprocate along the axial direction of the first wire winding drum;
the second detection assembly is connected to the second connecting wall and comprises two second deflection wheels which are arranged side by side at intervals, the second deflection wheels are electrically connected with the controller, the wire electrode can penetrate through the two second deflection wheels, and the wire electrode can drive the second deflection wheels to rotate;
the second wire arranging motor is connected with the second wire winding drum, the controller is electrically connected with the second wire arranging motor, the controller can start the second wire arranging motor in a state that the second deflection wheel rotates, and the second wire arranging motor can drive the second wire winding drum to reciprocate along the axis direction of the second wire winding drum.
8. The transverse wire cutting device according to any one of claims 2 to 7,
the two sides of the bottom of the machine base are respectively connected with cantilevers, the lower parts of the two cantilevers extend into the liquid storage tank, and the first guider and the second guider are respectively connected to the lower parts of the two cantilevers.
9. The transverse wire cutting device according to claim 8,
the electrified guide mechanism further comprises a first main guide wheel and a second main guide wheel which are respectively connected to the two cantilevers, the first main guide wheel is located below the first wire arranging wheel, and the second main guide wheel is located below the second wire arranging wheel.
10. The transverse wire cutting device according to claim 8,
the conductive assembly comprises a first conductive block and a second conductive block, and the first conductive block and the second conductive block are respectively connected to the two cantilevers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233797.0U CN211360964U (en) | 2019-12-13 | 2019-12-13 | Transverse wire cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233797.0U CN211360964U (en) | 2019-12-13 | 2019-12-13 | Transverse wire cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360964U true CN211360964U (en) | 2020-08-28 |
Family
ID=72165322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922233797.0U Active CN211360964U (en) | 2019-12-13 | 2019-12-13 | Transverse wire cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547181A (en) * | 2021-08-13 | 2021-10-26 | 苏州电加工机床研究所有限公司 | Metal detection sheet for automatic wire threading detection structure of wire winding system |
-
2019
- 2019-12-13 CN CN201922233797.0U patent/CN211360964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547181A (en) * | 2021-08-13 | 2021-10-26 | 苏州电加工机床研究所有限公司 | Metal detection sheet for automatic wire threading detection structure of wire winding system |
| CN113547181B (en) * | 2021-08-13 | 2024-01-23 | 苏州电加工机床研究所有限公司 | Metal detection sheet for automatic threading detection structure of wire collecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108975070B (en) | Yarn monitoring device, yarn winding machine, and yarn monitoring method | |
| CN203062967U (en) | Diamond fretsaw device | |
| CN101045262A (en) | Wire electrode supply device for wire-cut electric discharge machine | |
| JPH0716830B2 (en) | A device that circulates the electrodes of a spark corrosion cutter around the wheel. | |
| CN211360964U (en) | Transverse wire cutting device | |
| CN111267237A (en) | Wire cutting device and material cutting equipment | |
| CN111390312A (en) | Constant tension control electric spark grinding device for wire electrode | |
| CN110842312A (en) | Transverse wire cutting device and control method thereof | |
| WO2012157068A1 (en) | Wire discharge processing apparatus | |
| CN103021566A (en) | Rewinder with cable breakage detection function | |
| JP3731864B2 (en) | Wire traveling control method in wire saw | |
| CN215326082U (en) | Diamond wire paying-off mechanism for rewinder | |
| CN109332830B (en) | Wire feeding method of reciprocating wire feeding type wire cut electric discharge machine | |
| CN205291303U (en) | Receive multi -wire saw that winding machine arranged perpendicularly | |
| CN113526343B (en) | Crown block automatic feeding system | |
| CN213568750U (en) | Rolling machine with carrier band size abnormity alarm function | |
| US11033975B2 (en) | Wire electrical discharge machine and machining condition adjustment method | |
| JP3785757B2 (en) | Winding device | |
| JP2017170590A (en) | Wire saw device | |
| JP3958876B2 (en) | Wire cutting machine | |
| CN210084640U (en) | Adjustable feeding and receiving equipment | |
| JP2736544B2 (en) | Device for detecting remaining amount of wire electrode | |
| CN217947162U (en) | Outgoing line detection device of rewinder | |
| CN212070697U (en) | Constant tension control electric spark grinding device for wire electrode | |
| CN212498345U (en) | Material cutting device and cutting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |