Linear cutting molybdenum wire cutting recovery device
Technical Field
The invention relates to the technical field of wire-cut electrical discharge machining auxiliary equipment, in particular to a wire-cut molybdenum wire cutting and recycling device.
Background
The wire cut electric discharge machine is a technological process for machining workpiece by utilizing the electric corrosion action of pulse discharge between motor wire as negative electrode and metal material workpiece as complete machine, and is mainly used for machining various die, electrode and precision parts, such as complex cavity and curved surface body of various electric conductors of hard alloy, quenched steel, graphite, aluminium alloy, structural steel, stainless steel, titanium alloy and diamond, etc. the wire cut molybdenum wire cutting recovery device is an auxiliary equipment of wire cut electric discharge machine, so that in order to effectively treat waste molybdenum wire in the course of machining, several conditions can result in accidental breakage of molybdenum wire, for example, partial discharge is too strong and can burn molybdenum wire, workpiece material contains hard impurity, and when cutting produces intense friction, or cooling liquid is insufficient or pollutes, so that chip discharge is poor, and electric arc discharge is concentrated, etc.
The prior art has the defects that the molybdenum wire is broken accidentally in the processing process, the waste wire needs to be cleaned, when the rest part of the molybdenum wire is still fresh and has small loss, all the molybdenum wire does not need to be recovered, but the waste molybdenum wire is usually recovered by stopping the operation of a machine tool in the prior art, the broken molybdenum wire is sheared off from the two ends of a breaking area by scissors or related tools, and the molybdenum wire is extracted for shearing recovery, so that the processing efficiency is low.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a wire-cutting molybdenum wire cutting recovery device, so as to solve the above-mentioned problems in the prior art.
The wire cutting molybdenum wire cutting recovery device comprises a workbench surface, wherein a wire barrel, a wire frame and a coordinate workbench are sequentially arranged at the top end of the workbench surface from left to right, a guide wheel I, a guide plate, a cutting recovery mechanism and a guide wheel II are sequentially and fixedly connected to the side surface of the wire frame, molybdenum wires can be pulled out from the wire barrel, a wire groove positioned in the middle of the coordinate workbench and the guide wheel II above the wire groove are bypassed, the wire groove, the guide plate and the guide wheel I sequentially pass through the cutting recovery mechanism and the guide wheel I and return to the wire barrel to be fixed, and the cutting recovery mechanism comprises a fixing frame I fixedly connected to the side surface of the wire frame, a wire wheel I, a cutting assembly, a wire wheel II, an elastic wheel, a transmission assembly and a deflector rod assembly, and when the wire is fed, the molybdenum wires pass through the lower part of the elastic wheel II, the inside of the cutting assembly and the upper part of the cutting assembly;
the wire wheel II comprises a power motor, a first fixed sleeve fixedly connected to a motor shaft of the power motor and a second movable wheel fixedly connected to the periphery of the fixed sleeve, wherein a second spring is fixedly connected to one end of the top of the first fixed sleeve, a pressing and cutting assembly is fixedly connected to the top end of the second spring, and an annular wire passing groove II and a wire pressing groove II perpendicular to the wire passing groove II are formed in the outer peripheral surface of the second movable wheel.
Further, the first fixing frame is fixedly connected with the side face of the lead frame through an angle code arranged at the bottom end, a fixing hole is formed in the side face of the first fixing frame, the inside of the fixing hole is fixedly connected with the side face of the motor, and one end of a motor shaft of the motor is movably connected with the inner wall of the first fixing frame.
Further, the right side top fixedly connected with fixed bolster of mount one, the top symmetry of fixed bolster is provided with the stock, the bottom fixedly connected with minor axis of stock, the middle part swing joint of minor axis has the wire wheel, wire groove three has been seted up to the outer edge of wire wheel, the stock runs through the fixed bolster, its top fixedly connected with roof, and the stock is equipped with spring three to roof part cover at the fixed bolster, and one side of roof is through connecting plate fixedly connected with rack one in addition.
Further, the side of the toothed bar I is meshed with a gear, the middle part of the gear is movably connected with a round bar II, and the round bar II is fixedly connected to the top end of the fixing frame I through a fixing column fixedly connected with one end.
Further, the border meshing of gear has the ratch II, the bottom one side fixedly connected with trace of ratch II, the bottom interval of trace is provided with two branches, the bottom one side fixedly connected with fixed cover II of branch pole, the inside fixedly connected with connecting rod of fixed cover II, wherein the one end fixedly connected with card pole of two connecting rods, the side swing joint who divides the pole has the fixed plate in addition, the top fixedly connected with spring IV of fixed plate, the top of spring IV and the bottom fixed connection of trace, the fixed plate passes through one end fixedly connected's riser and the top fixed connection of mount I.
Further, the top fixedly connected with gag lever post of fixed plate, the gag lever post includes fixed connection at the short column on fixed plate top and the elastic rod of fixed connection in short column one side, and this elastic rod is located between two fixed plates.
Further, compress tightly and cut off the subassembly and include a fixed connection at the branch first on a fixed cover top and fixed connection at the round axle on a branch top, the side swing joint of round axle has a rotation cover first and rotates the cover second, and wherein rotates the outer edge of cover first and is provided with the cutting plate along tangential direction, the side of cutting plate is provided with the cutting edge, rotates the side of cover second and follows axis direction fixedly connected with line ball pole second in addition, line ball pole second's one end is expanded, and has seted up the draw-in groove, and this draw-in groove can with the block pole block, line ball pole second's bottom is provided with briquetting second, and the grooving has been seted up on line ball pole second's top, and wherein line ball pole second and briquetting second agree with line ball groove second's shape.
Further, the elastic rod of the limiting rod is in contact connection with the cutting plate in the vertical state.
Further, the cutting assembly comprises a tangent plate fixedly connected with a fixed frame, a tangent groove is formed in the top end of the tangent plate, one side of the tangent plate is fixedly connected with a fixed frame II, the inner top end of the fixed frame II is fixedly connected with a hydraulic cylinder and a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a cutter holder, the bottom end of the cutter holder is fixedly connected with a cutter, the cutter is located above the tangent groove, and the plane where the cutter edge is located in the same plane with the long axis of the tangent groove.
Further, a first contact is fixedly connected to one side of the inner top end of the second fixing frame, a second contact is arranged below the first contact, and the second contact is arranged at the top end of the second fixing sleeve.
Further, the first wire wheel includes the round bar one with an inner wall fixed connection of mount, the side swing joint of round bar one has the movable sleeve, the week side fixedly connected with movable sleeve of movable sleeve one, wire groove one and wire groove one have been seted up to the side of movable pulley one, and wherein wire groove one is seted up along the external diameter of movable pulley one, and wire groove one's direction is perpendicular with wire groove one, the week side fixedly connected with spring one of movable sleeve, the top fixedly connected with wire bar one of spring one, wire bar one's bottom middle part is provided with briquetting one, wherein wire bar one and briquetting one agree with the shape of wire groove one, wire bar one's one end is expanded to set up the draw-in groove, can with the joint of card pole, wire bar one's other end swing joint has fixed strut, fixed strut's bottom and the week side fixed connection of movable sleeve, fixed strut and spring one set up in the both sides of movable pulley one.
The invention has the technical effects and advantages that:
1. The invention discloses a cutting recovery mechanism, which comprises a first fixing frame fixedly connected to the side surface of a lead frame, a first wire wheel, a cutting assembly, a second wire wheel, an elastic wheel, a transmission assembly and a deflector rod assembly, wherein the first wire wheel, the cutting assembly, the second wire wheel, the elastic wheel, the transmission assembly and the deflector rod assembly are arranged in the first fixing frame, the elastic wheel is used for detecting the breaking condition of molybdenum wires and converting the breaking condition into simple mechanical actions, the transmission assembly and the deflector rod assembly are used for transmitting the mechanical actions to the first wire wheel and the second wire wheel, the actions of pressing and fixing the molybdenum wires are triggered, the cutting assembly is triggered to cut the molybdenum wires, and finally the second wire wheel is used for winding and recovering the waste molybdenum wires, so that the broken waste molybdenum wires are prevented from scattering in a machine tool to cause short circuit or mechanical faults, the waste molybdenum wires in the processing process are effectively processed, and the processing efficiency is improved.
2. The invention comprises a wire wheel II, a power motor, a fixed sleeve I fixedly connected to a motor shaft of the power motor and a movable wheel II fixedly connected to a periphery of the fixed sleeve, wherein one end of the top of the fixed sleeve I is fixedly connected with a spring II, the top end of the spring II is fixedly connected with a compaction cutting assembly, the rolling is realized by utilizing the movable wheel II through driving of the power motor, and the compaction, rolling and recycling of the molybdenum wire are realized through the compaction and cutting assembly.
3. According to the invention, the elastic wheel is arranged, the wire passing wheel of the elastic wheel stretches the spring III upwards under the tensioning force of the molybdenum wire in a normal state, when the molybdenum wire is broken, the shrinkage force of the spring III enables the toothed bar I to move downwards, and the wire passing wheel I and the wire passing wheel II are triggered to press through the deflector rod assembly, so that the broken molybdenum wire is timely and effectively fixed, the reaction efficiency of the corresponding assembly after the molybdenum wire is broken is improved, and the treatment efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first fixing frame of the present invention;
FIG. 3 is a schematic view of the structure of the cutting and recycling mechanism of the present invention;
FIG. 4 is a schematic view of the package structure of the cutting and recycling mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the elastic wheel of the present invention;
FIG. 6 is a schematic view of the structure of the transmission assembly and lever assembly of the present invention;
FIG. 7 is a schematic view of a portion of the structure of a transmission assembly of the present invention;
FIG. 8 is a schematic diagram of a second embodiment of the present invention;
FIG. 9 is a schematic view of the compression cutting assembly of the present invention;
FIG. 10 is a schematic view of a second winding state of the reel of the present invention;
FIG. 11 is a schematic view of the structure of the cutting assembly of the present invention;
fig. 12 is a schematic structural view of a first reel of the present invention.
The reference sign is 1, the working table surface; 2, a silk cylinder; 3, a lead frame; 301, first guide wheel, 302, guide plate, 303, second guide wheel, 4, a coordinate workbench, 401, a wire slot, 5, a cutting recovery mechanism, 501, a first fixing frame, 5011, a fixing hole, 5012, a corner bracket, 5013, a vertical plate, 502, a first reel, 5021, a first round rod, 5022, a first movable reel, 5023, a first wire passing slot, 5024, a first wire slot, 5025, a movable sleeve, 5026, a first spring, 5027, a first wire pressing rod, 5028, a pressing block, 5029, a fixed support rod, 503, a cutting component, 5031, a tangent plate, 5032, a tangent slot, 5033, a second fixing frame, 5034, a hydraulic cylinder, 5035, a telescopic rod, 5036, a knife holder, 5037, a cutter, 5038, a contact, a first contact, 5039, a contact, a second contact, 504, a second reel, 5041, a power motor, 5042, a second reel, 5043, a first fixed sleeve, 5044, a second spring, a second slot, 5045, a second reel, 5046, a wire pressing slot, a second spring, 505, an elastic reel, 5051, a first reel, 5053, a tangent plate, 5086, 5088, a third reel, a contact, 5078, a contact, 5058, a contact, a 5034, a hydraulic cylinder, a 5035, a telescoping rod, a 5058, a 50-50, a piston, a 50, a knife, a 50-50, a knife, a 50-50, a 50-50, a, a 50 contact-50, a contact-50 contact, a, a contact, a, a.
Detailed Description
The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the wire cutting and recovering device according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1,3 and 8, the invention provides a wire cutting and recovering device, which comprises a workbench surface 1, wherein a wire cylinder 2, a wire frame 3 and a coordinate workbench 4 are sequentially arranged at the top end of the workbench surface 1 from left to right, a guide wheel 301, a guide plate 302, a cutting and recovering mechanism 5 and a guide wheel two 303 are sequentially fixedly connected to the side surface of the wire frame 3, molybdenum wires can be pulled out from the wire cylinder 2, a wire groove 401 positioned in the middle of the coordinate workbench 4 and a guide wheel two 303 positioned above the wire groove 401 are bypassed, and then the molybdenum wires sequentially pass through the cutting and recovering mechanism 5, the guide plate 302 and the guide wheel one 301 and return to the wire cylinder 2 to finish wire feeding, and the cutting and recovering mechanism 5 comprises a first fixing frame 501 fixedly connected to the side surface of the wire frame 3, a first wire wheel 502, a cutting assembly 503, a second wire wheel 504, an elastic wheel 505, a transmission assembly 506 and a deflector rod assembly 507;
The second wire wheel 504 comprises a power motor 5041, a first fixed sleeve 5043 fixedly connected to a motor shaft of the power motor 5041 and a second movable wheel 5042 fixedly connected to the periphery of the first fixed sleeve 5043, wherein one end of the top of the first fixed sleeve 5043 is fixedly connected with a second spring 5044, the top end of the second spring 5044 is fixedly connected with a pressing and cutting assembly 508, and an annular second wire passing groove 5045 and a second wire pressing groove 5046 perpendicular to the second wire passing groove 5045 are formed in the outer peripheral surface of the second movable wheel 5042.
The molybdenum wire passes through the wire passing groove II 5045 on the periphery of the movable wheel II 5042, when a workpiece cutting area (the area between the guide wheel II 303 and the wire groove 401) is broken, the pressing and cutting assembly 508 rapidly presses the broken molybdenum wire, after the cutting assembly 503 cuts the broken molybdenum wire, the motor 5041 drives the motor shaft to rotate, the fixed sleeve I5043 and the movable wheel II 5042 are driven to rotate, the winding action is carried out, and after the winding is completed, the waste molybdenum wire is cut off and recovered by the pressing and cutting assembly 508.
Referring to fig. 2, a first fixing frame 501 is fixedly connected to a side surface of the lead frame 3 through a corner bracket 5012 provided at a bottom end, a fixing hole 5011 is provided at a side surface of the first fixing frame 501, an inner portion of the fixing hole 5011 is fixedly connected to a side surface of the motor 5041, and one end of a motor shaft of the motor 5041 is movably connected to an inner wall of the first fixing frame 501.
Referring to fig. 3 to 5, a fixing bracket 5051 is fixedly connected to the rightmost top end of the first fixing bracket 501, a long rod 5052 is symmetrically arranged at the top end of the fixing bracket 5051, a short shaft 5053 is fixedly connected to the bottom end of the long rod 5052, a wire passing wheel 5054 is movably connected to the middle part of the short shaft 5053, a wire passing groove three 5055 is formed in the outer edge of the wire passing wheel 5054, the long rod 5052 penetrates through the fixing bracket 5051 and is fixedly connected with a top plate 5056, a spring three 5057 is sleeved on the part of the long rod 5052 from the fixing bracket 5051 to the top plate 5056, the bottom end of the spring three 5057 is fixedly connected with the top end of the fixing bracket 5051, the top end of the long rod 5057 is fixedly connected with the bottom end of the top plate 5056, and one side of the top plate 5056 is fixedly connected with a toothed bar one 5059 through a connecting plate 5058.
After the molybdenum wire is wound, the molybdenum wire penetrates from the lower part of the wire passing wheel 5054 and is cut into three wire passing grooves 5055 formed in the outer edge of the wire passing wheel 5054, the molybdenum wire can give upward force to the wire passing wheel 5054 after being tightened, so that the long rod 5052 is upward relative to the fixed support 5051 and the spring three 5057 is deformed to stretch, meanwhile, the top plate 5056 and the connecting plate 5058 can drive the toothed rod one 5059 upward, when the wire passing wheel 5054 loses upward force, the spring three 5057 can recover deformation and give downward force to the top plate 5056 and the connecting plate 5058, and the toothed rod one 5059 moves downward.
Referring to fig. 6 and 7, a gear 5062 is meshed with a side surface of the first toothed bar 5059, a second round bar 5063 is movably connected to the middle part of the gear 5062, and the second round bar 5063 is fixedly connected to the top end of the first fixing frame 501 through a fixing column 5061 fixedly connected to one end.
The edge of the gear 5062 is meshed with a toothed bar II 5071, a linkage rod 5072 is fixedly connected to one side of the bottom end of the toothed bar II 5071, two sub-rods 5073 are arranged at intervals at the bottom end of the linkage rod 5072, a fixing sleeve II 5074 is fixedly connected to one side of the bottom end of the sub-rods 5073, a connecting rod 5075 is fixedly connected to the inside of the fixing sleeve II 5074, one end of the two connecting rods 5075 is fixedly connected with a clamping rod 5076, in addition, a fixing plate 5077 is movably connected to the side face of the sub-rods 5073, a spring IV 5078 is fixedly connected to the top end of the fixing plate 5077, the top end of the spring IV 5078 is fixedly connected with the bottom end of the linkage rod 5072, and the fixing plate 5077 is fixedly connected to the top end of the fixing frame I501 through a vertical plate 5013 fixedly connected to one end.
When the toothed bar I5059 moves downwards, the toothed bar II 5071 moves upwards through the transmission of the gear 5062 and drives the two sub-bars 5073 and the clamping bars 5076 fixedly connected with the two sub-bars 5073 together through the linkage bar 5072 to move upwards, in the process, the spring IV 5078 releases the initial compression state and releases the elastic force, so that the linkage bar 5072 can be lifted more easily, in addition, the end part of the fixing plate 5077 is provided with a vertical clamping groove for fixing the sub-bars 5073 and enabling the sub-bars 5073 to only move up and down, and conversely, when the toothed bar I5059 moves upwards, the clamping bars 5076 move downwards.
Wherein, the top of fixed plate 5077 is fixedly connected with gag lever post 5079, and gag lever post 5079 includes the short column of fixed connection on the top of fixed plate 5077 and the elastic rod of fixed connection in short column one side, and this elastic rod is located between two fixed plates 5077.
Referring to fig. 8 and 9, the pressing and cutting assembly 508 includes a first strut 5081 fixedly connected to the top end of the first fixed sleeve 5043 and a circular shaft 5082 fixedly connected to the top end of the first strut 5081, a first rotating sleeve 5083 and a second rotating sleeve 5086 are movably connected to the side surface of the circular shaft 5082, a cutting plate 5084 is arranged outside the first rotating sleeve 5083 along the tangential direction, a cutting edge 5085 is arranged on the side surface of the cutting plate 5084, a second pressing rod 5087 is fixedly connected to the side surface of the second rotating sleeve 5086 along the axial direction, one end of the second pressing rod 5087 is enlarged and provided with a clamping groove, the clamping groove can be clamped with the clamping rod 5076, a second pressing block 5088 is arranged at the bottom end of the second pressing rod 5087, a cutting groove 5089 is formed in the top end of the second pressing rod 5087, and the second pressing rod 5087 and the second pressing block 5088 are in shape fit with the second pressing groove 5046.
The cutting plate 5084 is usually in a vertical state, the limiting rod 5079 assists in maintaining the vertical position (refer to fig. 3), the second pressing rod 5087 is usually in an inclined state, the second spring 5044 is in a stretched state, at this time, the second pressing rod 5087 forms an included angle of 40 degrees with the horizontal plane where the first fixing sleeve 5043 is located, and the end clamping groove of the second pressing rod is clamped with the clamping rod 5076.
When an abnormal state (referred to as molybdenum wire breakage) occurs, the clamping rod 5076 moves upwards to be separated from the second wire pressing rod 5087, and the second wire pressing rod 5087 rapidly and downwards clamps the second wire pressing groove 5046 under the action of the shrinkage force of the second spring 5044, so that the molybdenum wire on one side of the workpiece cutting area is pressed.
Referring to fig. 11, the cutting assembly 503 includes a tangent plate 5031 fixedly connected to the first fixing frame 501, a tangent slot 5032 is formed in the top end of the tangent plate 5031, a second fixing frame 5033 is fixedly connected to one side of the tangent plate 5031, a hydraulic cylinder 5034 and a telescopic rod 5035 are fixedly connected to the top end of the second fixing frame 5033, a cutter holder 5036 is fixedly connected to the bottom end of the telescopic rod 5035, and a cutter 5037 is fixedly connected to the bottom end of the cutter holder 5036, wherein the cutter 5037 is located above the tangent slot 5032, and a plane where a cutting edge is located is in the same plane with a long axis of the tangent slot 5032.
The hydraulic cylinder 5034 controls the up-and-down movement of the cutter 5037 by driving the telescopic rod 5035 up-and-down, and normally the cutter holder 5036 and the cutter 5037 hover above the tangent groove 5032.
One side of the inner top end of the second fixing frame 5033 is fixedly connected with a first contact 5038, a second contact 5039 is arranged below the first contact 5038, and the second contact 5039 is arranged at the top end of the second fixing sleeve 5074.
When the molybdenum wire breaks, the second trigger fixing sleeve 5074 moves upwards, the second contact 5039 is connected with the first contact 5038 upwards, the hydraulic cylinder 5034 is started to drive the telescopic rod 5035 downwards, the cutter 5037 cuts off the molybdenum wire downwards, and the time for triggering the second trigger fixing sleeve 5074 is slightly later than the time for triggering the second wire pressing rod 5087.
Referring to fig. 12, the first spool 502 includes a first spool 5021 fixedly connected with the inner wall of the first spool 501, a movable sleeve 5025 is movably connected to the side face of the first spool 5021, a movable wheel 5022 is fixedly connected to the periphery of the movable sleeve 5025, a first spool 5023 and a first spool 5024 are arranged on the side face of the movable wheel 5022, the first spool 5023 is arranged along the outer diameter of the first spool 5022, the direction of the first spool 5024 is perpendicular to the first spool 5023, a first spring 5026 is fixedly connected to the periphery of the movable sleeve 5025, a first spool 5027 is fixedly connected to the top end of the first spring 5026, a pressing block 5028 is arranged in the middle of the bottom end of the first spool 5027, one end of the first spool 5027 is enlarged and can be clamped with the clamping rod 5076, the other end of the first spool 5027 is movably connected with a fixed supporting rod 5029, the bottom end of the fixed supporting rod 5029 is fixedly connected with the periphery of the first spool 5025, and the first spring 5029 is fixedly connected to the two sides of the first spool 5026.
The same line wheel two 504, the line ball pole one 5027 normally forms 40 degrees contained angles with the horizontal plane that movable sleeve 5025 was located, and tip draw-in groove and draw-in bar 5076 block, and molybdenum filament fracture back draw-in bar 5076 upward movement separates with line ball pole one 5027, line ball pole one 5027 is pressed tightly the molybdenum filament with line ball groove one 5024 block down rapidly under the effect of spring one 5026 shrink force.
The working principle of the invention is as follows:
The working principle of the elastic wheel 505 and the deflector rod assembly 507 is that after the molybdenum wire is broken, the wire passing wheel 5054 loses upward force, the wire passing wheel 5054 moves downwards under the self gravity of the wire passing wheel 5054 and the contraction force of the spring III 5057, the toothed bar I5059 is driven to move downwards, the gear 5062 rotates clockwise, the toothed bar II 5071 is driven to move upwards, the restoring force of the spring IV 5078 is assisted, and the toothed bar II 5071 moves upwards to drive the separating rod 5073, the fixing sleeve II 5074, the connecting rod 5075 and the clamping rod 5076 to move upwards.
The working principle of the pressing action of the cutting and recycling mechanism 5 after the molybdenum wire is broken is that the clamping rod 5076 moves upwards and is separated from the pressing rod II 5087 and the pressing rod I5027, and is downwards clamped with the pressing groove II 5046 and the pressing groove I5024 respectively under the action of the shrinkage force of the spring II 5044 and the spring I5026, and the molybdenum wire is pressed and fixed from the two sides of the cutting assembly 503, wherein one side of the wire II 504 is broken waste molybdenum wire at one side of a workpiece cutting area, and one side of the wire wheel I502 is continuously available molybdenum wire.
The working principle of the cutting action of the cutting and recycling mechanism 5 after the molybdenum wire is broken is that the second fixing sleeve 5074 moves upwards to enable the second contact 5039 at the top end of the second fixing sleeve to be in contact with the first contact 5038 upwards, then the hydraulic cylinder 5034 is triggered to push the telescopic rod 5035 downwards, and the telescopic rod 5035 drives the tool apron 5036 at the bottom end of the telescopic rod 5036 to push the molybdenum wire between the cutter 5037 and the tangent groove 5032 downwards, and the molybdenum wire is cut off.
The working principle of the recovery action of the cutting recovery mechanism 5 after the molybdenum wire is broken is that after the molybdenum wire is cut by the cutting assembly 503, the second wire pressing rod 5087 is clamped with the second wire pressing groove 5046, one end of the broken waste molybdenum wire at one side of the workpiece cutting area is fixed, at the moment, the power motor 5041 drives the second movable wheel 5042 to rotate through a driving motor shaft, further, the waste molybdenum wire is wound (as shown in fig. 10), after winding is completed, the cutting plate 5084 is manually pressed down, the molybdenum wire is cut between the cutting plate 5084 and the second wire pressing rod 5087 by using the cutting edge 5085, and then the waste molybdenum wire can be taken down for recovery.
The foregoing is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.