CN111570949A - Spark-erosion wire cutting wire moving module based on synchronous pulley - Google Patents
Spark-erosion wire cutting wire moving module based on synchronous pulley Download PDFInfo
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- CN111570949A CN111570949A CN202010666993.1A CN202010666993A CN111570949A CN 111570949 A CN111570949 A CN 111570949A CN 202010666993 A CN202010666993 A CN 202010666993A CN 111570949 A CN111570949 A CN 111570949A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/101—Supply of working media
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/104—Wire tension control
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- Chemical & Material Sciences (AREA)
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a wire cut electrical discharge machining wire-moving module based on a synchronous belt pulley, wherein two ends of a cutting wire are respectively wound on a left wire wheel and a right wire wheel, the middle part of the cutting wire is sequentially wound with a tensioning module, a wire cutting water spraying plate and a conductive mechanism which are respectively used for adjusting the tensioning degree, introducing current to the cutting wire and spraying water to a cutting workpiece section for cooling, and the belt pulley driving mechanism drives the left wire wheel and the right wire wheel to synchronously rotate in the same direction through the synchronous belt pulley so as to realize reciprocating wire moving of the cutting wire. The wire cutting machine is small in size and convenient to store, the tensioning force of the cutting wire is adjusted through the tensioning module, the cutting wire at the cutting workpiece section can be sprayed with water and cooled through the wire cutting water spraying plate, the single motor drives the two wire wheels to synchronously rotate in the same direction so as to realize reciprocating wire feeding, the cost is low, the conducting mechanism adopts two conducting tungsten blocks with adjustable positions, the cutting wire can be guaranteed to be always normally conducting, the bearing seat and the motor seat can be fixed on the rack in a sliding mode, the tensioning force of the synchronous belt can be adjusted, the normal reciprocating wire feeding of the cutting wire can be adjusted in multiple aspects, and.
Description
Technical Field
The invention belongs to the technical field of wire cut electric discharge machines, and particularly relates to a wire traveling module for wire cut electric discharge machines based on a synchronous pulley.
Background
The wire cut electrical discharge machining is a machining technology for cutting and forming a workpiece by utilizing electrical discharge, a wire cutting wire traveling module is an important cutting system in the wire cut electrical discharge machining process, the conventional wire cutting wire traveling module is large in size and heavy in weight, two driving motors are additionally adopted to drive a wire wheel to rotate so as to realize reciprocating wire traveling, and the process cost is high; in addition, in the wire cut electrical discharge machining process, a cutting wire introduces current through a conductive module and generates discharge with a workpiece to be machined so as to realize workpiece cutting, so that the conductive effect of the cutting wire has an important influence on the cutting effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the wire cut electrical discharge machining wire-moving module based on the synchronous pulley, which has small volume, low cost and good conductive effect.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows: the utility model provides a spark-erosion wire cutting walk a module based on synchronous pulley, including cutting wire and frame, install left wire wheel, right wire wheel, tensioning module, wire-electrode cutting water spray plate, electrically conductive mechanism, synchronous pulley and band pulley actuating mechanism in the frame, the cutting wire both ends are around establishing respectively on left wire wheel and right wire wheel, the cutting wire middle part is in proper order around establishing tensioning module, wire-electrode cutting water spray plate and electrically conductive mechanism, the cutting wire passes through tensioning module and adjusts the rate of tension, through the leading-in electric current of electrically conductive mechanism, produce discharge with waiting to process the work piece, carry out the water spray cooling to the cutting work piece section through the wire-electrode cutting water spray plate, and get rid of the electroerosion product, band pulley actuating mechanism is through synchronous syntropy rotation of left wire wheel of synchronous band pulley transmission and right wire wheel, and drive the reciprocal walking of.
Further, the cutting wire is made of molybdenum wires, the left wire wheel and the right wire wheel are made of nylon V-groove wire wheels, and two ends of each molybdenum wire are fixed on the left wire wheel and the right wire wheel respectively through molybdenum wire fixing screws.
Further, an aluminum alloy cover plate is arranged on the outer end face of the nylon V-shaped grooved wire wheel.
Furthermore, the tensioning module adopts a wire-cutting three-guide-wheel automatic wire tightener, the cutting wire penetrates out of the left wire wheel and then is wound on the wire-cutting three-guide-wheel automatic wire tightener downwards, and the tension degree of the cutting wire is adjusted through the back and forth movement of a foremost guide wheel of the wire-cutting three-guide-wheel automatic wire tightener.
Furthermore, the wire cutting water spray plate is a middle wire-walking water spray plate, the left wire wheel penetrates through the tensioning module and sequentially penetrates through brass ruby eye films of the left middle wire-walking water spray plate and the right middle wire-walking water spray plate, a pagoda head of the middle wire-walking water spray plate is externally connected with a water pump output pipe, water is sprayed on cutting wires at a cutting workpiece section between the left middle wire-walking water spray plate and the right middle wire-walking water spray plate to cool and remove electric corrosion products, first long slotted holes are symmetrically formed in the wire-walking water spray plate, second long slotted holes are symmetrically formed in two vertical plates at the lower part of the rack respectively, the first long slotted holes are aligned with the second long slotted holes and fixed through bolt and nut assemblies, and the left middle wire-walking water spray plate and the right wire-walking water spray plate are symmetrically.
Furthermore, the conducting mechanism comprises a left conducting tungsten block and a right conducting tungsten block, the left conducting tungsten block and the right conducting tungsten block are fixed on the rack through bolt and nut assemblies, the left conducting tungsten block and the right conducting tungsten block are connected with the positive electrode or the negative electrode of the same external power supply, a workpiece is connected with the electrode opposite to the workpiece, the cutting wire penetrates out of the right middle wire walking water spraying plate and then winds the cutting wire to form a guide wheel, and then the cutting wire is in contact connection with the right conducting tungsten block and the left conducting tungsten block in sequence on different sides, and the tail end of the cutting wire is fixed on the right wire wheel.
Furthermore, two parallel inclined long slotted holes are formed in the right lower portion of the rack, the bolt and nut assembly comprises a conductive tungsten block bolt and a conductive tungsten block nut, the conductive tungsten block bolt sequentially penetrates through different positions of the left conductive tungsten block or the right conductive tungsten block and the inclined long slotted holes and is locked through the conductive tungsten block nut, the left conductive tungsten block and the right conductive tungsten block are adjustably fixed on the rack along the inclined long slotted holes, the relative positions of the left conductive tungsten block and the right conductive tungsten block, which are fixed on the rack, are adjusted through the bolt and nut assembly, and pressing forces between the left conductive tungsten block and the cutting wire and between the right conductive tungsten block and the cutting wire are adjustable.
Furthermore, the synchronous pulley comprises a left synchronous pulley, a right synchronous pulley and a wire wheel driving synchronous belt, the left synchronous pulley is fixed on a left wire winding wheel shaft, the right synchronous pulley is fixed on a right wire winding wheel shaft, the wire wheel driving synchronous belt is wound on the left synchronous pulley and the right synchronous pulley, the left synchronous pulley and the right synchronous pulley are supported on the rack through a bearing seat, and the left wire wheel and the right wire wheel are respectively fixedly installed on the left wire winding wheel shaft and the right wire winding wheel shaft on the front side of the bearing seat.
Further, the belt wheel driving mechanism comprises a direct current motor, a motor driving belt wheel, a motor driving driven belt wheel and a motor driving synchronous belt, the direct current motor is arranged on the frame through a motor base, the motor drives a driving belt wheel to be fixed on an output shaft of the direct current motor, the motor-driven belt wheel is fixed on a right wire-winding wheel shaft at the rear side of the right synchronous belt wheel, the motor-driven synchronous belt is wound on the motor-driven driving belt wheel and the motor-driven belt wheel, the direct current motor drives the driving belt wheel to rotate through the driving motor so as to drive the motor to drive the driven belt wheel, the right synchronous belt wheel and the right wire wheel to synchronously rotate, the right synchronous belt wheel drives the wire wheel driving synchronous belt and the left wire wheel to synchronously rotate in the same direction through the wire wheel driving synchronous belt, and the cutting wire realizes reciprocating wire moving through the synchronous rotation in the same direction of the left wire wheel and the right wire wheel.
Furthermore, a plurality of slotted hole has been seted up to the frame upper end, fixed screw hole has been seted up on bearing frame and the motor cabinet, through bolt and nut subassembly and fixed screw hole and slotted hole different positions department cooperation locking, slidable fixes in the frame about bearing frame and the motor cabinet, can be used to adjust the tensile force of wire wheel drive hold-in range and motor drive hold-in range, prevents that the hold-in range from lax to drop, guarantees the transmission effect.
The invention has the following beneficial effects:
1) the electrospark wire-electrode cutting wire-moving module based on the synchronous belt wheel is small in size, light in weight, convenient to assemble and disassemble and convenient to store;
2) the tension of the cutting wire is adjusted through the tension module, the cutting wire can be sprayed by the linear cutting water spraying plate to cool the cutting wire on the cutting workpiece section, the single belt wheel driving mechanism is matched with the synchronous belt wheel to drive the two wire wheels to synchronously rotate so as to realize reciprocating wire feeding, the cost is low, the conductive mechanism adopts two conductive tungsten blocks with adjustable positions, the pressing force between the cutting wire and the conductive tungsten can be adjusted, the cutting wire is ensured to be always normally conductive, the bearing seat and the motor base can be fixed on the rack in a sliding mode, the tension of the synchronous belt can be adjusted, the belt is prevented from loosening and falling off, the cutting wire is adjusted and controlled to always normally reciprocate wire feeding in multiple aspects, and the.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear side view of FIG. 1;
FIG. 3 is an assembled view of the housing of FIG. 1;
FIG. 4 is an exploded view of the rack of FIG. 1;
fig. 5 is a graph of the cutting wire trend of fig. 1.
Wherein the reference numerals are: a cutting wire 1, a frame 2, a vertical plate 2-1, an inclined long slotted hole 2-2, a left wire wheel 3, a right wire wheel 4, a tensioning module 5, a linear cutting water spraying plate 6, a synchronous belt wheel 7, a left synchronous belt wheel 7-1, a right synchronous belt wheel 7-2, a wire wheel driving synchronous belt 7-3, a left wire winding wheel shaft 7-4 and a right wire winding wheel shaft 7-5, the device comprises a bearing seat 7-6, a belt wheel driving mechanism 8, a direct current motor 8-1, a motor driving belt wheel 8-2, a motor driving driven belt wheel 8-3, a motor driving synchronous belt 8-4, a motor base 8-5, a molybdenum wire fixing screw 9, an aluminum alloy cover plate 10, a left conductive tungsten block 11-1, a right conductive tungsten block 11-2, a conductive tungsten block bolt 11-31, a conductive tungsten block nut 11-32 and a guide wheel 12.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-5, the wire cut electrical discharge machining wire feeding module based on the synchronous pulley of the present invention comprises a cutting wire 1 and a frame 2, wherein the frame 2 is provided with a left wire wheel 3, a right wire wheel 4, a tensioning module 5, a wire cut water spray plate 6, a conductive mechanism, a synchronous pulley 7 and a pulley driving mechanism 8, the cutting wire 1 is made of molybdenum wire, the left wire wheel 3 and the right wire wheel 4 are made of nylon V-grooved wire wheels, the outer end surface of the nylon V-grooved wire wheels is provided with an aluminum alloy cover plate 10, the head end of the cutting wire 1 is fixed on the left wire wheel 3 by a molybdenum wire fixing screw 9, the tensioning module 5 is a wire cut three-guide-wheel automatic wire tightener, the cutting wire 1 is threaded through the left wire wheel 3 and then wound downwards on the wire cut three-guide-wheel automatic wire tightener, the tension of the cutting wire 1 is adjusted by the back and forth movement of the foremost guide wheel of the wire cut three-guide-wheel automatic wire, the left wire wheel 3 penetrates through the tensioning module 5 and then sequentially penetrates through brass ruby eye films of a left middle wire-moving water spray plate and a right middle wire-moving water spray plate which are distributed in parallel at intervals, a pagoda head of the middle wire-moving water spray plate is externally connected with a water pump output water pipe, the cutting wire 1 between the left middle wire-moving water spray plate and the right middle wire-moving water spray plate is sprayed with water to cool and remove electric corrosion products, first long slotted holes are symmetrically arranged on the wire-moving water spray plates, second long slotted holes are symmetrically arranged on two vertical plates 2-1 at the lower part of the frame 2 respectively, the left middle wire-moving water spray plate and the right middle wire-moving water spray plate are aligned and fixed through a bolt and nut component, the left middle wire-moving water spray plate and the right middle wire-moving water spray plate are symmetrically fixed on the left vertical plate and the right vertical plate 2-1, a guide wheel 12 is wound after the cutting wire-moving water spray plate penetrates through the right middle wire-moving water spray plate, then opposite sides sequentially contact and connect a right conductive tungsten block 11-, the left conductive tungsten block 11-1 and the right conductive tungsten block 11-2 are connected with the positive electrode or the negative electrode of the same external power supply to lead in current to the cutting wire 1, the workpiece is connected with the opposite electrode thereof to generate discharge with the workpiece to be processed, the right lower part of the frame 2 is provided with two parallel inclined long slotted holes 2-2, the bolt and nut assembly comprises a conductive tungsten block bolt 11-31 and a conductive tungsten block nut 11-32, the left conductive tungsten block 11-1 or the right conductive tungsten block 11-2 and the inclined long slotted hole 2-2 are sequentially arranged at different positions through the conductive tungsten block bolt 11-31 and locked by the conductive tungsten block nut 11-32, the left conductive tungsten block 11-1 and the right conductive tungsten block 11-2 are adjustably fixed on the frame 2 along the inclined long slotted hole 2-2, the relative positions of the left conductive tungsten block 11-1 and the right conductive tungsten block 11-2 fixed on the frame 2 are adjusted by the bolt and nut assembly, the pressing force between the left conductive tungsten block 11-1 and the right conductive tungsten block 11-2 and the cutting wire 1 is adjustable to control the left conductive tungsten block 11-1 and the right conductive tungsten block 11-2 to apply proper pressing force on the cutting wire 1, ensure the conductive effect, avoid the problem that the cutting wire 1 is broken due to poor contact and excessive pressing force, the cutting wire 1 is fixed on a right wire wheel 4 through a molybdenum wire fixing screw 9 after penetrating out of the left conductive tungsten block 11-1, the synchronous pulley 7 comprises a left synchronous pulley 7-1, a right synchronous pulley 7-2 and a wire wheel driving synchronous belt 7-3, the left synchronous pulley 7-1 is fixed on a left wire winding wheel shaft 7-4, the right synchronous pulley 7-2 is fixed on a right wire winding wheel shaft 7-5, the wire wheel driving synchronous belt 7-3 is wound on the left synchronous pulley 7-1 and the right synchronous pulley 7-2, the left synchronous pulley 7-1 and the right synchronous pulley 7-2 are supported on the frame 2 through a bearing seat 7-6, the left wire winding wheel shaft 7-4 and the right wire winding wheel shaft 7-5 at the front side of the bearing seat 7-6 are respectively provided with a left wire wheel 3 and a right wire wheel 4, the belt wheel driving mechanism 8 comprises a direct current motor 8-1, a motor driving pulley 8-2, a motor driving driven pulley 8-3 and a motor driving synchronous belt 8-4, the direct current motor 8-1 is arranged on the frame 2 through a motor seat 8-5, the motor driving pulley 8-2 is fixed on an output shaft of the direct current motor 8-1, the motor driving driven pulley 8-3 is fixed on the right wire winding wheel shaft 7-5 at the rear side of the right synchronous pulley 7-2, the motor driving synchronous belt 8-4 is wound on the motor driving pulley 8-2 and the motor driving driven pulley 8-3, the direct current motor 8-1 drives the driving belt wheel 8-2 to rotate through the driving motor so as to drive the motor to drive the driven belt wheel 8-3, the right synchronous belt wheel 7-2 and the right wire wheel 4 to synchronously rotate, the right synchronous belt wheel 7-2 drives the synchronous belt 7-3 through the wire wheel to drive the synchronous belt 7-3 and the left wire wheel 3 to synchronously rotate in the same direction, and then the cutting wire 1 realizes reciprocating wire moving through the synchronous rotation in the same direction of the left wire wheel 3 and the right wire wheel 4.
As shown in figures 2 and 3, the upper end of the frame 2 is provided with a plurality of long slotted holes, the bearing seat 7-6 and the motor seat 8-5 are provided with fixed threaded holes, the bearing seat 7-6 and the motor seat 8-5 are matched and locked with different positions of the fixed threaded holes and the long slotted holes through bolt and nut assemblies, the bearing seat 7-6 and the motor seat 8-5 can be fixed on the frame 2 in a left-right sliding mode, the tension of a wire wheel drive synchronous belt 7-3 and a motor drive synchronous belt 8-4 can be adjusted, the synchronous belt is prevented from loosening and falling off, and the.
When a workpiece needs to be cut, the left and right linear cutting water spray plates 6 are oppositely and symmetrically fixed on the left and right vertical plates 2-1, a cutting workpiece section cutting wire 1 penetrating through the left and right linear cutting water spray plates 6 is vertical to the left and right linear cutting water spray plates 6, a left conductive tungsten block 11-1 and a right conductive tungsten block 11-2 are connected with the negative electrode of a pulse power supply, the workpiece to be cut is connected with the positive electrode of the pulse power supply, a direct current motor 8-1 is started, the direct current motor 8-1 drives a synchronous belt 8-4 and a synchronous belt wheel 7 to drive a left wire wheel 3 and a right wire wheel 4 to synchronously rotate in the same direction through the motor, the reciprocating wire feeding is realized, the pagoda heads of the left and right linear cutting water spray plates 6 are externally connected with water pump water outlet pipes in the cutting process, spraying water to the cutting wire 1 between the left and right middle wire-moving water-spraying plates to reduce the temperature and remove the electric corrosion product, therefore, the workpiece can realize the electric spark discharge linear cutting by cutting the workpiece section cutting wire 1 between the left and right linear cutting water spray plates 6.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (10)
1. The utility model provides an electric spark wire-electrode cutting walk silk module based on synchronous pulley, includes cutting wire (1) and frame (2), its characterized in that, install left wire wheel (3), right wire wheel (4), tensioning module (5), wire-electrode cutting water spray board (6), electrically conductive mechanism, synchronous pulley (7) and belt wheel actuating mechanism (8) on frame (2), cutting wire (1) both ends are around establishing respectively on left wire wheel (3) and right wire wheel (4), cutting wire (1) middle part is around establishing tensioning module (5), wire-electrode cutting water spray board (6) and electrically conductive mechanism in proper order, tensioning degree is adjusted through tensioning module (5) in cutting wire (1), through the leading-in electric current of electrically conductive mechanism, with treat that the work piece produces and discharge, carries out the cooling of spraying water to the cutting work piece section through wire-electrode cutting water spray board (6) to get rid of the electroerosion product, belt wheel actuating mechanism (8) are through synchronous pulley (7) transmission left wire wheel (3) and right wire wheel (4) with same Synchronously rotate in the same direction and drive the cutting wire (1) to move back and forth.
2. The wire electric discharge machine threading module of claim 1, wherein: the cutting wire (1) is made of molybdenum wires, the left wire wheel (3) and the right wire wheel (4) are made of nylon V-groove wire wheels, and two ends of each molybdenum wire are respectively fixed on the left wire wheel (3) and the right wire wheel (4) through molybdenum wire fixing screws (9).
3. The wire electric discharge machine threading module of claim 2, wherein: the outer end face of the nylon V-shaped grooved wire wheel is provided with an aluminum alloy cover plate (10).
4. The wire electric discharge machine threading module of claim 3, wherein: the tensioning module (5) adopts a wire-cutting three-guide-wheel automatic wire tightener, the cutting wire (1) penetrates out of the left wire wheel (3) and then is downwards wound on the wire-cutting three-guide-wheel automatic wire tightener, and the tension degree of the cutting wire (1) is adjusted through the back-and-forth movement of a foremost guide wheel of the wire-cutting three-guide-wheel automatic wire tightener.
5. The wire electric discharge machine threading module of claim 4, wherein: the wire cutting water spraying plate (6) is a middle wire-walking water spraying plate, a left wire wheel (3) penetrates through a tensioning module (5) and then sequentially penetrates through brass ruby eye films of a left middle wire-walking water spraying plate and a right middle wire-walking water spraying plate, the pagoda head of the middle wire-walking water spraying plate is externally connected with a water conveying pump water outlet pipe, a cutting workpiece section cutting wire (1) between the left middle wire-walking water spraying plate and the right middle wire-walking water spraying plate is sprayed with water to cool and remove electric corrosion products, first long groove holes are symmetrically formed in the wire-walking water spraying plate, second long groove holes are symmetrically formed in two vertical plates (2-1) at the lower part of the rack (2) respectively, the first long groove holes are aligned with the second long groove holes and fixed through bolt and nut assemblies, and the left middle wire-walking water spraying plate and the right wire-walking water spraying plate are symmetrically fixed.
6. The wire electric discharge machine threading module of claim 5, wherein: the conductive mechanism comprises a left conductive tungsten block (11-1) and a right conductive tungsten block (11-2), the left conductive tungsten block (11-1) and the right conductive tungsten block (11-2) are fixed on the rack (2) through a bolt and nut assembly, the left conductive tungsten block (11-1) and the right conductive tungsten block (11-2) are connected with the positive electrode or the negative electrode of the same external power supply, a workpiece is connected with the electrode opposite to the workpiece, the cutting filament (1) penetrates out of a right middle wire walking water spraying plate and then is wound with a guide wheel (12), then the right conductive tungsten block (11-2) and the left conductive tungsten block (11-1) are sequentially in contact connection on different sides, and the tail ends of the right conductive tungsten block (11-1) are fixed on the right filament wheel (4).
7. The wire electric discharge machine threading module of claim 6 wherein: the right lower part of the rack (2) is provided with two parallel inclined long slotted holes (2-2), the bolt and nut assembly comprises a conductive tungsten block bolt (11-31) and a conductive tungsten block nut (11-32), the conductive tungsten block bolt (11-31) sequentially penetrates through different positions of the left conductive tungsten block (11-1) or the right conductive tungsten block (11-2) and the inclined long slotted hole (2-2) and is locked by the conductive tungsten block nut (11-32), the left conductive tungsten block (11-1) and the right conductive tungsten block (11-2) are adjustably fixed on the rack (2) along the inclined long slotted hole (2-2), the relative positions of the left conductive tungsten block (11-1) and the right conductive tungsten block (11-2) fixed on the rack (2) are adjusted by the bolt and nut assembly, and the left conductive tungsten block (11-1) and the right conductive tungsten block (11-2) and a cutting wire (1) The pressing force between the two parts is adjustable.
8. The wire electric discharge machine threading module of claim 7 wherein: the synchronous pulley (7) comprises a left synchronous pulley (7-1), a right synchronous pulley (7-2) and a wire wheel driving synchronous belt (7-3), the left synchronous pulley (7-1) is fixed on the left wire winding wheel shaft (7-4), the right synchronous pulley (7-2) is fixed on the right wire winding wheel shaft (7-5), the wire wheel driving synchronous belt (7-3) is wound on the left synchronous pulley (7-1) and the right synchronous pulley (7-2), the left synchronous pulley (7-1) and the right synchronous pulley (7-2) are supported on the frame (2) through a bearing seat (7-6), and a left wire winding wheel (3) and a right wire winding wheel (4) are respectively installed and fixed on the left wire winding wheel shaft (7-4) and the right wire winding wheel shaft (7-5) at the front side of the bearing seat (7-6).
9. The wire electric discharge machine threading module of claim 8, wherein: the belt wheel driving mechanism (8) comprises a direct current motor (8-1), a motor driving belt wheel (8-2), a motor driving driven belt wheel (8-3) and a motor driving synchronous belt (8-4), the direct current motor (8-1) is installed on the rack (2) through a motor base (8-5), the motor driving belt wheel (8-2) is fixed on an output shaft of the direct current motor (8-1), the motor driving driven belt wheel (8-3) is fixed on a right wire winding wheel shaft (7-5) on the rear side of the right synchronous belt wheel (7-2), the motor driving synchronous belt (8-4) is wound on the motor driving belt wheel (8-2) and the motor driving driven belt wheel (8-3), and the direct current motor (8-1) drives the motor driving belt wheel (8-2) to rotate through the driving motor driving belt wheel (8-2) to drive the motor driving driven belt wheel ( (8-3), right synchronous pulley (7-2) and right filament pulley (4) synchronous rotation, right synchronous pulley (7-2) drives filament pulley drive hold-in range (7-3) and left filament pulley (3) synchronous syntropy through filament pulley drive hold-in range (7-3) and rotates, cutting wire (1) realizes reciprocal walking through the synchronous syntropy rotation of left filament pulley (3) and right filament pulley (4).
10. The wire electric discharge machine threading module of claim 9 wherein: the upper end of the rack (2) is provided with a plurality of long slotted holes, the bearing seats (7-6) and the motor bases (8-5) are provided with fixed threaded holes, the bearing seats and the fixed threaded holes and the long slotted holes are matched and locked at different positions through bolt and nut assemblies, and the bearing seats (7-6) and the motor bases (8-5) can be fixed on the rack (2) in a left-right sliding mode.
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CN202010666993.1A CN111570949B (en) | 2020-07-13 | 2020-07-13 | Spark-erosion wire cutting wire moving module based on synchronous pulley |
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CN114406386A (en) * | 2022-03-02 | 2022-04-29 | 南京工程学院 | Electric machine tool is with immersion A axle |
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CN114406386A (en) * | 2022-03-02 | 2022-04-29 | 南京工程学院 | Electric machine tool is with immersion A axle |
CN114406386B (en) * | 2022-03-02 | 2023-06-02 | 南京工程学院 | Immersible A-axis for electric machining machine tool |
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