CN114346317A - One-way cutting device for improving molybdenum-rhenium alloy processing efficiency - Google Patents

Abstract

The invention provides a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy, wherein a one-way cutting box body is connected to the top surface in a main frame through a lifting rod, a pair of caterpillar bands which have the same structure and move synchronously are installed in the one-way cutting box body, the caterpillar bands can move in a one-way mode along the anticlockwise direction or the clockwise direction, and cutting knives are respectively fixed on the longitudinal end surfaces of the pair of caterpillar bands; in the cutting knife, a cutting saw blade is driven by the crawler belt to repeatedly cut in a single direction from left to right or from right to left along the transverse direction; a buffer mechanism is arranged between the bottom end of the tool rest connecting shaft and the mounting tool rest; the bottom surface in the main frame is provided with a supporting and clamping mechanism for clamping the molybdenum-rhenium alloy to be cut. The installation knife rest and the cutting saw blade can repeat unidirectional motion along with the transmission track to the sawtooth sets up buffer gear and further reduces the fluctuation range of sawtooth motion, and the cutting motion is stable, the effectual cutting saw blade sawtooth of having protected, makes cutting efficiency promote greatly.

Description

One-way cutting device for improving molybdenum-rhenium alloy processing efficiency

Technical Field

The invention belongs to the technical field of metal material processing, relates to molybdenum-rhenium alloy processing, and particularly relates to a one-way cutting device and a one-way cutting method for improving molybdenum-rhenium alloy processing efficiency.

Background

At present, wire cut electrical discharge machining is generally adopted for cutting hard alloys, and electrode wire materials used for wire cut electrical discharge machining comprise aluminum wires, tungsten-molybdenum alloy wires, brass wires, copper-tungsten wires and the like. The tungsten wire has high tensile strength and a diameter in the range of 0.03-0.1mm, is generally used for finishing various narrow slits, but is expensive at scrupulously and respectfully. The brass wire is suitable for slow processing, has good processing surface roughness and flatness, less corrosion chip adhesion, poor tensile strength and large loss, has the diameter of 0.1-0.3mm, and is generally used for slow unidirectional wire-moving processing. The molybdenum wire has high tensile strength and is suitable for fast wire-moving processing, so that the fast wire-moving machine tool in China mostly selects the molybdenum wire as an electrode wire, which is an excellent choice for cutting most of alloy molybdenum wires, and when the cutting objects are molybdenum-rhenium alloy and other hard molybdenum alloys, the cutting speed is slow through the molybdenum wire, the molybdenum wire is often broken to stop cutting, and the molybdenum-rhenium alloy is extremely difficult to cut due to extremely low cutting efficiency and frequent replacement of the molybdenum wire.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy, so as to solve the technical problem that the processing efficiency of the cutting device in the prior art for molybdenum-rhenium alloy needs to be further improved.

In order to solve the technical problems, the invention adopts the following technical scheme:

a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy comprises a main frame, wherein a pair of guide rail slideways are vertically fixed on a pair of side walls in the main frame; the top surface in the main frame is connected with a one-way cutting box body through more than one lifting rod, the two transverse sides of the bottom of the one-way cutting box body are respectively and fixedly provided with an upper sliding block, and the upper sliding blocks are clamped on the guide rail slide ways to enable the one-way cutting box body to vertically slide along the guide rail slide ways;

the unidirectional cutting box body comprises a box body with an open front, a box cover is arranged on the open front of the box body, a through cutting groove is formed in the middle position of the bottoms of the box body and the box cover along the longitudinal direction, the cutting groove is communicated with the inside and the outside of the box body, and the molybdenum-rhenium alloy to be cut is positioned in the cutting groove in a cutting state;

a pair of caterpillar bands which have the same structure and move synchronously are symmetrically arranged on the rear wall in the box body along the transverse direction, the caterpillar bands can move in a single direction along the anticlockwise direction or the clockwise direction, and cutting knives are respectively fixed on the longitudinal end surfaces of the pair of caterpillar bands;

the cutting knife comprises knife rest connecting shafts, the top ends of the knife rest connecting shafts which are vertically arranged are respectively fixed on the longitudinal end surfaces of the pair of crawler belts, and the bottom ends of the knife rest connecting shafts are respectively arranged in the two transverse sides of the top of the same mounting knife rest; the bottom of the mounting tool rest is detachably provided with a cutting saw blade, the cutting saw blade is used for cutting the molybdenum-rhenium alloy to be cut in the cutting groove, and the cutting saw blade is driven by the crawler belt to repeatedly cut in a single direction from left to right or from right to left along the transverse direction;

a buffer mechanism is arranged between the bottom end of the tool rest connecting shaft and the mounting tool rest;

a scrap cleaning mechanism is arranged on the rear wall in the box body on the transverse right side or the transverse left side of the cutting saw blade and is used for cleaning scraps on the cutting saw blade;

a supporting and clamping mechanism for clamping the molybdenum-rhenium alloy to be cut is arranged on the bottom surface in the main frame;

the supporting and clamping mechanism comprises a supporting hydraulic rod which is vertically arranged, the large end of the supporting hydraulic rod is fixedly arranged on the bottom surface in the main frame, and the small end of the supporting hydraulic rod is provided with an object stage; the rotating table is arranged on the object stage and can be rotatably arranged on the object stage through a rotating base integrally arranged at the bottom, so that the rotating table can rotate in a vertical horizontal plane; the top surface of revolving stage on seted up a pair of symmetry and set up and along the spout that radially lays, install the slip grip slipper in a pair of spout respectively, a pair of slip grip slipper structure is the same and relative setting for the molybdenum rhenium alloy that the centre gripping was waited to cut, a pair of slip grip slipper can realize the adjustment of the relative distance between a pair of slip grip slipper along radial movement in the spout.

The invention also has the following technical characteristics:

the rear wall of the box body is provided with a first bearing support corresponding to the pair of tracks, the tracks are driven by a power gear and a driven gear, the power gear is fixedly arranged at the front end of a first gear shaft, the middle part of the first gear shaft is rotatably arranged in the corresponding first bearing support, the rear end of the first gear shaft is fixedly provided with a first driving gear, and the first driving gear is used for bearing power input from the outside; the driven gear is fixedly arranged at the front end of the second gear shaft, and the rear end of the second gear shaft is arranged in the corresponding first bearing support seat.

And a plurality of meshing grooves meshed with the power gear and the driven gear are formed in the inner wall of the crawler.

The crawler belt is characterized in that a longitudinal connecting pin is fixedly arranged on the longitudinal end face of the crawler belt, a longitudinal pin hole is formed in the top end of the cutter rest connecting shaft, and the pin hole is sleeved on the connecting pin.

The cutting saw blade clamping groove is transversely formed in the bottom of the mounting tool rest, the pair of mounting lug seats is arranged at the bottom of the mounting tool rest behind the cutting saw blade clamping groove, and the cutting saw blade is clamped in the cutting knife saw clamping groove and connected with the mounting lug seats through cutting saw blade fixing bolts, so that detachable mounting is achieved.

The buffer mechanism comprises a buffer shaft arranged at the bottom end of the tool rest connecting shaft and a buffer cavity vertically arranged at the top of the mounting tool rest, the top of the buffer cavity is open and is fixedly provided with a detachable limiting ring, the inner diameter of the limiting ring is smaller than that of the buffer cavity, the buffer shaft penetrates through the limiting ring and extends into the buffer cavity, a limiting disc is arranged at the end part extending into the buffer cavity, the outer diameter of the limiting disc is equal to that of the buffer cavity, and a cavity between the limiting disc and the limiting ring is a stroke cavity; and a compression return spring is arranged between the bottom of the limiting disc and the bottom of the buffer cavity.

The bottom of spacing dish be provided with top base, the bottom of going up top base is provided with the top, the bottom of cushion chamber be provided with down top base, be provided with down the top on the bottom top base, compression reset spring's top suit is on last top and pushes up on last top base, compression reset spring's bottom suit is on top and pushes up under on top base.

The compression return spring is also sleeved with a spring protection soft shell.

The chip cleaning mechanism comprises a chip cleaning rotating disc, a plurality of groups of bristles capable of contacting with a cutting saw blade are mounted on the chip cleaning rotating disc, the chip cleaning rotating disc is mounted at the front end of the rotating shaft, a second bearing support corresponding to the chip cleaning rotating disc is mounted on the rear wall of the box body, the middle of the rotating shaft is rotatably mounted in the corresponding second bearing support, a second driving gear is fixedly mounted at the rear end of the rotating shaft, and the second driving gear is used for bearing power input from the outside.

The top surface outside the box body is provided with connecting seats in one-to-one correspondence with the lifting rods, the connecting seats are connected with the small ends of the lifting rods, and the large ends of the lifting rods are fixedly installed on the top surface in the main frame.

The box body and the box cover are connected in a rotating mode through connecting buckles.

The sliding clamping seat comprises an upper seat body, a lower sliding block is integrally arranged at the bottom of the upper seat body, the lower sliding block is arranged in a sliding groove and can move in the sliding groove, a clamping seat body is fixedly arranged on the inner side of the upper seat body, a fixed clamping block is fixedly arranged at the end part of the clamping seat body, a fastening screw is arranged on the fixed block, a movable clamping block and a fastening nut are sleeved on the fastening screw, and the distance between the movable clamping block and the fixed clamping block can be adjusted through the fastening nut; the movable clamping block and the fixed clamping block are used for clamping the molybdenum-rhenium alloy to be cut;

the upper seat body is also provided with a cooling water pipe penetrating through the upper seat body, the inner end of the cooling water pipe is provided with a spray head, and the spray head is arranged on the clamping seat body and is close to the position of the molybdenum-rhenium alloy to be cut.

The bottom of objective table be furnished with a pair of slide positioning lock that is used for supporting the objective table, slide positioning lock can slide and can lock on the guide rail slide along the guide rail slide is vertical.

The rotating table is internally provided with a sliding surface ball cavity communicated with two sides of the sliding groove along the direction vertical to the sliding groove, and a plurality of sliding surface balls are arranged in the sliding surface ball cavity.

The rotating base center vertically set up the rotatory ball chamber that link up the bottom, install a plurality of rotatory balls in the rotatory ball chamber, a plurality of rotatory balls revolve around interior axle rotation, interior fixed mounting of axle realizes the rotation of revolving stage on the objective table.

Compared with the prior art, the invention has the following technical effects:

in the unidirectional cutting box body, the mounting tool rest and the cutting saw blade can perform repeated unidirectional motion along with the transmission crawler, and the saw teeth are provided with the buffer mechanisms to further reduce the fluctuation range of the saw teeth motion, so that the cutting motion is stable, the saw teeth of the cutting saw blade are effectively protected, and the cutting efficiency is greatly improved.

In the unidirectional cutting box body, the synchronous gear is arranged in the unidirectional cutting box body, and the two sets of transmission tracks are arranged on the synchronous gear, so that the cutting saw blade can stably move at a constant speed to obtain a neat cutting opening.

(III) in the unidirectional cutting box body, the lower side of the unidirectional cutting box body is provided with a cutting groove, and the specific part of the molybdenum-rhenium alloy is cut by the cutting groove.

(IV) in the cutting knife, the mounting knife rest completely covers the top end of the cutting saw blade to enable the saw blade to be stressed evenly, stable movement conditions of the saw blade are provided, the cutting saw blade moves through bevel edge saw tooth cutting, the contact resistance is reduced through the bevel edge saw tooth cutting, excessive damage to the saw blade is effectively avoided, and the saw blade is easy to replace when damaged.

(V) the cutting knife is provided with the buffer mechanism, and the elastic device in the buffer mechanism effectively avoids the left-right shaking of the saw teeth at the moment of cutting contact, reduces the amplitude of the up-and-down movement of the saw teeth, protects the saw blade and also improves the precision of the alloy cutting position.

(VI) in the supporting and clamping mechanism, the rotating table is arranged above the object stage, and the linear sliding groove is arranged above the rotating table, so that the sample can rotate by three hundred and sixty degrees in the cutting process.

(VII) in the supporting and clamping mechanism, the rotating table is provided with the sliding clamping seat, the sliding clamping seat is provided with the nozzle, the bottom end of the sliding clamping seat is provided with the sliding surface, cooling water can be directly sprayed to a cutting position, and the alloy can be more stably fixed by adjusting the distance between the sliding clamping seats.

Drawings

Fig. 1 is a schematic view of the overall structure of a unidirectional cutting device for improving the processing efficiency of molybdenum-rhenium alloy.

Fig. 2 is a schematic view of the internal structure of the one-way cutting box.

Fig. 3 is a schematic top view of the unidirectional cutting box.

Fig. 4 is a rear view structural schematic diagram of the one-way cutting box body.

Fig. 5 is a schematic structural view of the crawler.

Fig. 6 is a front sectional structural view of the mounting tool holder.

Fig. 7 is a side view of the mounting block.

Fig. 8 is a schematic view of the internal structure of the damper mechanism.

Fig. 9 is a partially enlarged view illustrating the structure of the cutting blade.

Fig. 10 is a schematic structural view of the chute.

Fig. 11 is a schematic view of the internal structure of the turntable and the turntable base.

Fig. 12 is a front view of the slide holder.

Fig. 13 is a left side view of the slide holder.

Fig. 14 is a schematic top view of the sliding clamping seat.

The meaning of the individual reference symbols in the figures is: 1-a main frame, 2-a guide rail slideway, 3-a lifting rod, 4-a one-way cutting box body, 5-an upper sliding block and 6-a supporting and clamping mechanism;

401-box body, 402-box cover, 403-cutting groove, 404-crawler belt, 405-cutting knife, 406-first bearing support seat, 407-power gear, 408-driven gear, 409-first gear shaft, 410-first driving gear, 411-second gear shaft, 412-meshing groove, 413-connecting pin, 414-connecting seat, 415-connecting buckle and 416-debris cleaning mechanism;

40501-knife rest connecting shaft, 40502-mounting knife rest, 40503-cutting saw blade, 40504-buffer mechanism, 40505-cutting saw blade fixing bolt, 40506-pin hole, 40507-cutting saw blade clamping groove, 40508-mounting lug seat;

4050401-buffer shaft, 4050402-buffer cavity, 4050403-limit ring, 4050404-limit disc, 4050405-stroke cavity, 4050406 compression reset spring, 4050407-upper top base, 4050408-upper top, 4050409-lower top base, 4050410-lower top, 4050411-spring protection soft shell;

41601-debris clearing rotating disk, 41602-bristles, 41603-rotating shaft, 41604-second bearing support, 41605-second drive gear;

601-support hydraulic rod, 602-objective table, 603-rotating table, 604-rotating base, 605-sliding groove, 606-sliding clamping seat, 607-sliding positioning lock, 608-sliding surface ball cavity, 609-sliding surface ball, 610-rotating ball cavity, 611-rotating ball and 612-inner shaft;

60601-upper seat body, 60602-lower sliding block, 60603-clamping seat body, 60604-fixed clamping block, 60405-movable clamping block, 60606-fastening screw rod, 60607-fastening nut, 60608-cooling water pipe and 60609-spray head.

The present invention will be explained in further detail with reference to examples.

Detailed Description

It is to be noted that all components in the present invention, unless otherwise specified, are all those known in the art.

The present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention fall within the protection scope of the present invention.

Example 1:

the embodiment provides a cutting knife for improving the processing efficiency of molybdenum-rhenium alloy, as shown in fig. 2 and 6 to 9, the cutting knife comprises a pair of vertically arranged knife rest connecting shafts 40501, and the bottom ends of the knife rest connecting shafts 40501 are respectively installed in the two transverse sides of the top of the same installation knife rest 40502; the bottom of the mounting tool rest 40502 is detachably provided with a cutting saw blade 40503, and the cutting saw blade 40503 is used for cutting the molybdenum-rhenium alloy to be cut which is positioned in the cutting groove 403;

as a preferable scheme of this embodiment, a cutting blade slot 40507 is transversely formed in the bottom of the mounting knife rest 40502, a pair of mounting ear seats 40508 is arranged at the bottom of the mounting knife rest 40502 behind the cutting blade slot 40507, and the cutting blade 40503 is clamped in the cutting blade slot 40507 and connected with the mounting ear seats 40508 through a cutting blade fixing bolt 40505, so as to implement detachable mounting. The mounting knife rest 40502 completely wraps the top end of the cutting blade 40503 to enable the blade to be evenly stressed, the cutting blade 40503 moves through bevel edge saw tooth cutting, the bevel edge saw tooth cutting reduces contact resistance, and excessive damage to the cutting blade 40503 is effectively avoided.

As a preferable scheme of this embodiment, a buffer mechanism 40504 is provided between the bottom end of the tool rest connecting shaft 40501 and the mounting tool rest 40502; the buffer mechanism 40504 comprises a buffer shaft 4050401 arranged at the bottom end of the tool rest connecting shaft 40501 and a buffer cavity 4050402 vertically arranged at the top of the mounting tool rest 40502, the top of the buffer cavity 4050402 is open and is fixedly provided with a detachable limiting ring 4050403, the inner diameter of the limiting ring 4050403 is smaller than that of the buffer cavity 4050402, the buffer shaft 4050401 penetrates through the limiting ring 4050403 and extends into the buffer cavity 4050402, a limiting disc 4050404 is arranged at the end part extending into the buffer cavity 4050402, the outer diameter of the limiting disc 4050404 is equal to that of the buffer cavity 4050402, and a cavity between the limiting disc 4050404 and the limiting ring 4050402 is a stroke cavity 4050405; a compression return spring 4050406 is disposed between the bottom of the stopper disk 4050404 and the bottom of the buffer chamber 4050402.

Further preferably, an upper plug base 4050407 is arranged at the bottom of the limiting disc 4050404, an upper plug 4050408 is arranged at the bottom of the upper plug base 4050407, a lower plug base 4050409 is arranged at the bottom of the buffer cavity 4050402, a lower plug 4050410 is arranged on the lower plug base 4050409, the top end of the compression return spring 4050406 is sleeved on the upper plug 4050408 and is pushed against the upper plug base 4050407, and the bottom end of the compression return spring 4050406 is sleeved on the lower plug 4050410 and is pushed against the lower plug base 4050409. Further preferably, the compression return spring 4050406 is sleeved with a spring protection soft shell 4050410. Through the elastic device, the left-right shaking of the saw teeth at the moment of cutting contact is effectively avoided, the amplitude of the up-and-down movement of the saw teeth is reduced, the saw blade is protected, and the precision of the alloy cutting position is also improved.

Example 2:

the embodiment provides a one-way cutting box body for improving the processing efficiency of molybdenum-rhenium alloy, as shown in fig. 2 to 9, the one-way cutting box body comprises a box body 401 with an open front surface, a box cover 402 is installed on the open front surface of the box body 401, a through cutting groove 403 is formed in the middle position of the bottoms of the box body 401 and the box cover 402 along the longitudinal direction, the cutting groove 403 is communicated with the inside and the outside of the box body 401, and the molybdenum-rhenium alloy to be cut is positioned in the cutting groove 403 in a cutting state;

a pair of crawlers 404 with the same structure and synchronous motion are symmetrically arranged on the rear wall in the box body 401 along the transverse direction, the crawlers 404 can move in a single direction along the anticlockwise direction or the clockwise direction, and cutting knives 405 are respectively fixed on the longitudinal end surfaces of the pair of crawlers 404;

the cutting blade 405 used the cutting blade for improving the molybdenum-rhenium alloy processing efficiency given in example 1. The pair of crawler belts 404 have a top end fixed to a vertically arranged blade holder connecting shaft 40501. The cutting blade 40503 is driven by the caterpillar 404 to repeatedly cut in one direction from left to right or from right to left in the transverse direction.

In this embodiment, the specific portion of the molybdenum-rhenium alloy is selectively cut by the cutting groove 403.

As a preferable scheme of the present embodiment, a first bearing support 406 corresponding to a pair of crawlers 404 is installed on a rear wall of the box 401, the crawlers 404 are driven by a power gear 407 and a driven gear 408, the power gear 407 is fixedly installed at a front end of a first gear shaft 409, a middle part of the first gear shaft 409 is rotatably installed in the corresponding first bearing support 406, a first driving gear 410 is fixedly installed at a rear end of the first gear shaft 409, and the first driving gear 410 is used for receiving externally input power; the driven gear 408 is fixedly mounted on the front end of the second gear shaft 411, and the rear end of the second gear shaft 411 is mounted in the corresponding first bearing support 406.

As a preferable mode of the present embodiment, a plurality of engaging grooves 412 engaged with the power gear 407 and the driven gear 408 are provided on an inner wall of the crawler 404.

As a preferable configuration of this embodiment, a longitudinal connecting pin 413 is fixedly provided on a longitudinal end surface of the crawler 404, a longitudinal pin hole 40506 is provided at a top end of the blade holder connecting shaft 40501, and the pin hole 40506 is fitted around the connecting pin 413.

As a preferable mode of the present embodiment, a debris cleaning mechanism 416 is installed on a rear wall inside the box 401 on the lateral right or left side of the cutting blade 40503, and the debris cleaning mechanism 416 is used for cleaning debris on the cutting blade 40503; the debris cleaning mechanism 416 comprises a debris cleaning rotating disc 41601, a plurality of groups of bristles 41602 capable of contacting with the cutting saw blade 40503 are arranged on the debris cleaning rotating disc 41601, the debris cleaning rotating disc 41601 is arranged at the front end of a rotating shaft 41603, a second bearing supporting seat 41604 corresponding to the debris cleaning rotating disc 41601 is arranged on the rear wall of the box body 401, the middle part of the rotating shaft 41603 is rotatably arranged in the corresponding second bearing supporting seat 41604, a second driving gear 41605 is fixedly arranged at the rear end of the rotating shaft 41603, and the second driving gear 41605 is used for receiving power input from the outside.

As a preferable scheme of this embodiment, the case 401 and the case cover 402 are rotatably connected by a connection buckle 415.

Example 3:

the embodiment provides a supporting and clamping mechanism for improving the processing efficiency of molybdenum-rhenium alloy, as shown in fig. 1 and 10 to 14, the supporting and clamping mechanism comprises a vertically arranged supporting hydraulic rod 601, the large end of the supporting hydraulic rod 601 is fixedly installed on the bottom surface in a main frame 1, and the small end of the supporting hydraulic rod 601 is provided with an object stage 602; a rotating table 603 is arranged on the object stage 602, and the rotating table 603 is rotatably mounted on the object stage 602 through a rotating base 604 integrally arranged at the bottom of the rotating table 603, so that the rotating table 603 can rotate in a vertical horizontal plane; the top surface of the rotating table 603 is provided with a pair of sliding grooves 605 which are symmetrically arranged and radially arranged, sliding clamping seats 606 are respectively installed in the pair of sliding grooves 605, the pair of sliding clamping seats 606 have the same structure and are oppositely arranged and are used for clamping molybdenum-rhenium alloy to be cut, and the pair of sliding clamping seats 606 can move in the sliding grooves 605 along the radial direction to realize adjustment of the relative distance between the pair of sliding clamping seats 606.

As a preferable scheme of this embodiment, the sliding clamping seat 606 includes an upper seat body 60601, a lower slider 60602 is integrally disposed at the bottom of the upper seat body 60601, the lower slider 60602 is mounted in the sliding groove 605 and can move in the sliding groove 605, a clamping seat body 60603 is fixedly disposed on the inner side of the upper seat body 60601, a fixed clamping block 60604 is fixedly disposed at the end of the clamping seat body 60603, a fastening screw 60606 is mounted on the fixed block 60604, a movable clamping block 60605 and a fastening nut 60607 are sleeved on the fastening screw 60606, and a distance between the movable clamping block 60605 and the fixed clamping block 60604 can be adjusted by the fastening nut 60607; the movable clamping block 60605 and the fixed clamping block 60604 are used for clamping the molybdenum-rhenium alloy to be cut;

the upper seat 60601 is also provided with a cooling water pipe 60608 penetrating through the upper seat 60601, the inner end of the cooling water pipe 60608 is provided with a spray head 60609, and the spray head 60609 is arranged on the clamping seat 60603 and is close to the position of the molybdenum-rhenium alloy to be cut.

In a preferred embodiment of the present invention, a slide ball chamber 608 communicating with both sides of the slide groove 605 is formed in the rotary table 603 along a direction perpendicular to the slide groove 605, and a plurality of slide balls 609 are mounted in the slide ball chamber 608.

In this embodiment, the rotating table 603 can rotate three hundred sixty degrees, before cutting, the sliding groove 605 is rotated to be perpendicular to the one-way movement direction of the cutting saw blade 40503, i.e. the molybdenum-rhenium alloy to be cut is cut in the direction perpendicular to the sliding groove 605, so that the sliding clamping seat 606 can stably clamp the molybdenum-rhenium alloy to be cut. The slide holder 606 may be further provided with a conventional locking device as needed, so that the slide holder 606 is locked to the rotary table 603 after being adjusted to a proper position in the slide groove 605.

As a preferable mode of the present embodiment, a rotating ball cavity 610 penetrating through the bottom is vertically formed in the center of the rotating base 604, a plurality of rotating balls 611 are installed in the rotating ball cavity 610, the plurality of rotating balls 611 rotate around an inner shaft 612, and the inner shaft 612 is fixedly installed on the stage 602, so that the rotating table 603 can rotate on the stage 602.

Example 4:

the embodiment provides a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy, which comprises a main frame 1, wherein a pair of guide rail slideways 2 are vertically fixed on a pair of side walls in the main frame 1, as shown in fig. 1 to 14; the top surface in the main frame 1 is connected with a one-way cutting box body 4 through more than one lifting rod 3, the two transverse sides of the bottom of the one-way cutting box body 4 are respectively and fixedly provided with an upper slide block 5, and the upper slide blocks 5 are clamped on the guide rail slide ways 2 to ensure that the one-way cutting box body 4 can vertically slide along the guide rail slide ways 4;

as a preferable scheme of this embodiment, the unidirectional cutting case 4 is the unidirectional cutting case which is provided in embodiment 2 and improves the processing efficiency of the molybdenum-rhenium alloy.

As a preferable scheme of this embodiment, the top surface outside the box 401 is provided with connecting seats 414 corresponding to the lifting rods 3 one by one, the connecting seats 414 are connected with the small ends of the lifting rods 3, and the large ends of the lifting rods 3 are fixedly installed on the top surface inside the main frame 1.

A supporting and clamping mechanism 6 for clamping the molybdenum-rhenium alloy to be cut is arranged on the bottom surface in the main frame 1.

As a preferable scheme of this embodiment, the supporting and clamping mechanism 6 is the supporting and clamping mechanism provided in embodiment 3 for improving the processing efficiency of the molybdenum-rhenium alloy.

As a preferable solution of this embodiment, the bottom of the object stage 602 is provided with a pair of slide positioning locks 607 for supporting the object stage 602, and the slide positioning locks 607 may be conventional slide positioning locks known in the art, and the slide positioning locks 607 can slide vertically up and down along the guideway 2 and can be locked on the guideway 2.

The working process of the one-way cutting device for improving the processing efficiency of the molybdenum-rhenium alloy comprises the following steps:

step one, a sliding positioning lock 607 is installed to control the support hydraulic rod 601 to descend, and the support hydraulic rod 601 drives the object stage 602 and the rotating table 603 to move along the guide rail slideway 2.

Step two, the rotating platform 603 is rotated, and the sliding clamping seat 606 performs horizontal linear motion in the sliding groove 605 of the rotating platform 603; the two ends of the molybdenum-rhenium alloy to be cut are clamped by the fixed clamping block 60604 and the movable clamping block 60605 of the pair of sliding clamping seats 606, and are locked by the fastening screw 60606 and the fastening nut 60607.

And step three, rotating the rotating table 603 to enable the sliding groove 605 to rotate to be perpendicular to the one-way movement direction of the cutting saw blade 40503, namely, cutting in the direction of the molybdenum-rhenium alloy to be cut perpendicular to the sliding groove 605. The supporting hydraulic rod 601 is controlled to ascend, and the molybdenum-rhenium alloy to be cut clamped on the sliding clamping seat 606 is sent to the cutting groove 403 of the one-way cutting box body 4.

And step four, under the room temperature state, the rotating speed of the power gear 407 is 15rad/min, the power gear 407 drives the crawler 404 to do repeated unidirectional motion, the cutting groove 403 is provided with a cutting saw blade 40503 which does unidirectional motion under the driving of the crawler 404, the horizontal linear motion speed is 0.1m/s, and the molybdenum-rhenium alloy to be cut is cut.

In the cutting process, the cutting saw blade 40503 can cut more smoothly through the buffering of the buffering mechanism 40504, and also can protect the cutting saw blade 40503, and the piece on the cutting saw blade 40503 is cleaned through the piece cleaning mechanism 416 through the shower nozzle 60609 water spray cooling.

Claims (10)

1. A one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy comprises a main frame (1) and is characterized in that a pair of guide rail slideways (2) are vertically fixed on a pair of side walls in the main frame (1); the top surface in the main frame (1) is connected with a one-way cutting box body (4) through more than one lifting rod (3), the two transverse sides of the bottom of the one-way cutting box body (4) are respectively and fixedly provided with an upper sliding block (5), and the upper sliding blocks (5) are clamped on the guide rail slide ways (2) to ensure that the one-way cutting box body (4) can vertically slide along the guide rail slide ways (4);

the unidirectional cutting box body (4) comprises a box body (401) with an open front face, a box cover (402) is installed on the open front face of the box body (401), a through cutting groove (403) is formed in the middle position of the bottoms of the box body (401) and the box cover (402) along the longitudinal direction, the cutting groove (403) is communicated with the inside and the outside of the box body (401), and the molybdenum-rhenium alloy to be cut is positioned in the cutting groove (403) in a cutting state;

a pair of crawlers (404) with the same structure and synchronous motion are symmetrically arranged on the rear wall in the box body (401) along the transverse direction, the crawlers (404) can move in a single direction along the anticlockwise direction or the clockwise direction, and cutting knives (405) are respectively fixed on the longitudinal end surfaces of the pair of crawlers (404);

the cutting knife (405) comprises knife rest connecting shafts (40501), the top ends of the knife rest connecting shafts (40501) which are vertically distributed are fixed on the longitudinal end surfaces of the pair of tracks (404), and the bottom ends of the knife rest connecting shafts (40501) are respectively installed in the two transverse sides of the top of the same installation knife rest (40502); the bottom of the mounting tool rest (40502) is detachably provided with a cutting saw blade (40503), the cutting saw blade (40503) is used for cutting the molybdenum-rhenium alloy to be cut in the cutting groove (403), and the cutting saw blade (40503) is driven by the crawler belt (404) to repeatedly cut in a single direction from left to right or from right to left in the transverse direction;

a buffer mechanism (40504) is arranged between the bottom end of the tool rest connecting shaft (40501) and the mounting tool rest (40502);

a scrap cleaning mechanism (416) is installed on the rear wall in the box body (401) on the transverse right side or the transverse left side of the cutting saw blade (40503), and the scrap cleaning mechanism (416) is used for cleaning scraps on the cutting saw blade (40503);

a supporting and clamping mechanism (6) for clamping the molybdenum-rhenium alloy to be cut is arranged on the bottom surface in the main frame (1);

the supporting and clamping mechanism (6) comprises a supporting hydraulic rod (601) which is vertically arranged, the large end of the supporting hydraulic rod (601) is fixedly arranged on the bottom surface in the main frame (1), and the small end of the supporting hydraulic rod (601) is provided with an object stage (602); the object stage (602) is provided with a rotating table (603), and the rotating table (603) is rotatably arranged on the object stage (602) through a rotating base (604) integrally arranged at the bottom of the rotating table, so that the rotating table (603) can rotate in a vertical horizontal plane; the top surface of the rotating table (603) is provided with a pair of sliding grooves (605) which are symmetrically arranged and are distributed along the radial direction, sliding clamping seats (606) are respectively installed in the sliding grooves (605), the sliding clamping seats (606) are identical in structure and are oppositely arranged and used for clamping molybdenum-rhenium alloy to be cut, and the sliding clamping seats (606) can move along the radial direction in the sliding grooves (605) to realize the adjustment of the relative distance between the sliding clamping seats (606).

2. The one-way cutting device for improving the molybdenum-rhenium alloy processing efficiency as claimed in claim 1, wherein a first bearing support (406) corresponding to a pair of tracks (404) is installed on the rear wall of the box body (401), the tracks (404) are driven by a power gear (407) and a driven gear (408), the power gear (407) is fixedly installed at the front end of a first gear shaft (409), the middle part of the first gear shaft (409) is rotatably installed in the corresponding first bearing support (406), a first driving gear (410) is fixedly installed at the rear end of the first gear shaft (409), and the first driving gear (410) is used for receiving power input from the outside; the driven gear (408) is fixedly arranged at the front end of the second gear shaft (411), and the rear end of the second gear shaft (411) is arranged in the corresponding first bearing support seat (406).

3. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy as claimed in claim 1, wherein a longitudinal connecting pin (413) is fixedly arranged on a longitudinal end face of the crawler (404), a longitudinal pin hole (40506) is formed in the top end of the tool rest connecting shaft (40501), and the pin hole (40506) is sleeved on the connecting pin (413).

4. The unidirectional cutting device for improving the processing efficiency of the molybdenum-rhenium alloy as claimed in claim 1, wherein a cutting blade clamping groove (40507) is transversely formed in the bottom of the mounting tool rest (40502), a pair of mounting lug seats (40508) are arranged at the bottom of the mounting tool rest (40502) behind the cutting blade clamping groove (40507), and the cutting blade (40503) is clamped in the cutting blade clamping groove (40507) and connected with the mounting lug seats (40508) through a cutting blade fixing bolt (40505) to realize detachable installation.

5. The unidirectional cutting device for improving the molybdenum-rhenium alloy processing efficiency as claimed in claim 1, wherein the buffer mechanism (40504) comprises a buffer shaft (4050401) arranged at the bottom end of the tool rest connecting shaft (40501) and a buffer cavity (4050402) vertically arranged at the top of the mounting tool rest (40502), the top of the buffer cavity (4050402) is open and is fixedly provided with a detachable limit ring (4050403), the inner diameter of the limit ring (4050403) is smaller than that of the buffer cavity (4050402), the buffer shaft (4050401) penetrates through the limit ring (4050403) and extends into the buffer cavity (4050402), the end portion extending into the buffer cavity (4050402) is provided with a limit disc (4050404), the outer diameter of the limit disc (4050404) is equal to that of the buffer cavity (4050402), and the cavity between the limit disc (4050404) and the limit ring (4050402) is a stroke cavity (4050405); a compression return spring (4050406) is arranged between the bottom of the limiting disc (4050404) and the bottom of the buffer cavity (4050402).

6. The unidirectional cutting device for improving the molybdenum-rhenium alloy processing efficiency as claimed in claim 1, wherein an upper plug base (4050407) is arranged at the bottom of the limiting disc (4050404), an upper plug (4050408) is arranged at the bottom of the upper plug base (4050407), a lower plug base (4050409) is arranged at the bottom of the buffer cavity (4050402), a lower plug (4050410) is arranged on the lower plug base (4050409), the top end of the compression return spring (4050406) is sleeved on the upper plug (4050408) and is pressed against the upper plug base (4050407), and the bottom end of the compression return spring (4050406) is sleeved on the lower plug (4050410) and is pressed against the lower plug base (4050409).

7. The one-way cutting device for improving the processing efficiency of the molybdenum-rhenium alloy as claimed in claim 1, wherein the debris cleaning mechanism (416) comprises a debris cleaning rotating disc (41601), a plurality of groups of bristles (41602) capable of contacting with the cutting saw blade (40503) are mounted on the debris cleaning rotating disc (41601), the debris cleaning rotating disc (41601) is mounted at the front end of the rotating shaft (41603), a second bearing support seat (41604) corresponding to the debris cleaning rotating disc (41601) is mounted on the rear wall of the box body (401), the middle part of the rotating shaft (41603) is rotatably mounted in the corresponding second bearing support seat (41604), a second driving gear (41605) is fixedly mounted at the rear end of the rotating shaft (41603), and the second driving gear (41605) is used for receiving externally input power.

8. The one-way cutting device for improving the processing efficiency of the molybdenum-rhenium alloy is characterized in that the top surface outside the box body (401) is provided with connecting seats (414) which correspond to the lifting rods (3) in a one-to-one mode, the connecting seats (414) are connected with the small ends of the lifting rods (3), and the large ends of the lifting rods (3) are fixedly arranged on the top surface in the main frame (1).

9. The unidirectional cutting device for improving the molybdenum-rhenium alloy processing efficiency according to claim 1, wherein the sliding clamping seat (606) comprises an upper seat body (60601), a lower sliding block (60602) is integrally arranged at the bottom of the upper seat body (60601), the lower sliding block (60602) is installed in a sliding chute (605) and can move in the sliding chute (605), a clamping seat body (60603) is fixedly arranged on the inner side of the upper seat body (60601), a fixed clamping block (60604) is fixedly arranged at the end part of the clamping seat body (60603), a fastening screw rod (60606) is installed on the fixed block (60604), a movable clamping block (60605) and a fastening nut (60607) are sleeved on the fastening screw rod (60606), and the distance between the movable clamping block (60605) and the fixed clamping block (60604) can be adjusted through the fastening nut (60607); the movable clamping block (60605) and the fixed clamping block (60604) are used for clamping the molybdenum-rhenium alloy to be cut;

the upper seat body (60601) is further provided with a cooling water pipe (60608) penetrating through the upper seat body (60601), the inner end of the cooling water pipe (60608) is provided with a spray head (60609), and the spray head (60609) is installed on the clamping seat body (60603) and is close to the position of the molybdenum-rhenium alloy to be cut.

10. The one-way cutting device for improving the processing efficiency of the molybdenum-rhenium alloy as claimed in claim 1, wherein a sliding surface ball cavity (608) communicated with two sides of the sliding groove (605) is formed in the rotating table (603) along a direction vertical to the sliding groove (605), and a plurality of sliding surface balls (609) are mounted in the sliding surface ball cavity (608);

the center of the rotating base (604) is vertically provided with a rotating ball cavity (610) penetrating through the bottom, a plurality of rotating balls (611) are arranged in the rotating ball cavity (610), the rotating balls (611) rotate around an inner shaft (612), and the inner shaft (612) is fixedly arranged on the objective table (602) to realize the rotation of the rotating table (603) on the objective table (602).

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