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. The top surface of the main frame is connected with a one-way cutting box body through a lifting rod. In the one-way cutting box body, a pair of identical structures and synchronized The moving crawler, the crawler can move in one direction in the counterclockwise or clockwise direction, and the longitudinal end faces of a pair of crawler are respectively fixed with cutting knives; among the cutting knives, the cutting saw blade is driven by the crawler from left to Repeated one-way cutting from right or from right to left; a buffer mechanism is arranged between the bottom end of the connecting shaft of the tool holder and the installation tool holder; the bottom surface of the main frame is installed with a support clamp for holding the molybdenum-rhenium alloy to be cut mechanism. The installation of the knife holder and the cutting saw blade can repeat one-way movement with the drive track, and the sawtooth setting buffer mechanism further reduces the fluctuation range of the sawtooth movement, and the cutting movement is stable, which effectively protects the sawtooth of the cutting saw blade and greatly improves the cutting efficiency.

Description

A one-way cutting device for improving the machining efficiency of molybdenum-rhenium alloy

technical field

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

Background technique

At present, the cutting of cemented carbide is generally carried out by wire electric discharge cutting. The electrode wire materials used in wire electric discharge machining include aluminum wire, tungsten wire, tungsten-molybdenum alloy wire, brass wire, copper tungsten wire, etc. Tungsten wire has high tensile strength and diameter in the range of 0.03-0.1mm. It is generally used for finishing various narrow slits, but it is expensive. Brass wire is suitable for slow-speed machining, with good surface roughness and flatness, less corrosion debris, but poor tensile strength, large loss, diameter in the range of 0.1-0.3mm, generally used for slow-speed one-way travel silk processing. Molybdenum wire has high tensile strength and is suitable for fast wire-feeding processing. Therefore, most of the fast wire-feeding machine tools in my country use molybdenum wire as the electrode wire, which is an excellent choice for cutting most alloy molybdenum wires, and when the cutting object is When molybdenum-rhenium alloy and other hard molybdenum alloys are used, the cutting speed of molybdenum wire is slow, which often leads to the breakage of molybdenum wire and then the cutting is terminated. The extremely low cutting efficiency and frequent replacement of molybdenum wire make it extremely difficult to cut molybdenum-rhenium alloy. .

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy, so as to solve the technology that the cutting device in the prior art needs to be further improved for the processing efficiency of molybdenum-rhenium alloy question.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions to realize:

A one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy, comprising a main frame, a pair of guide rail slideways are vertically fixed on a pair of side walls in the main frame; The rod is connected with a one-way cutting box, and upper sliders are fixedly installed on the lateral sides of the bottom of the one-way cutting box. Swipe up and down;

The one-way cutting box body includes a box body with an open front, a box cover is installed on the open front of the box body, and a through cutting groove is opened in the middle of the bottom of the box body and the box cover along the longitudinal direction, and the cutting grooves communicate with each other. Inside and outside the box, the molybdenum-rhenium alloy to be cut is located in the cutting groove in the cutting state;

A pair of crawlers with the same structure and synchronous movement are installed on the rear wall of the box body along the lateral symmetry, and the crawlers can move in one direction along the counterclockwise or clockwise direction. Knife;

The cutting knife includes a tool rest connecting shaft, the longitudinal end surfaces of the pair of crawler belts are respectively fixed with the top end of a tool rest connecting shaft arranged vertically, and the bottom ends of the pair of tool rest connecting shafts are respectively installed on the The top lateral sides of the same installation tool holder; the bottom of the installation tool holder is detachably installed with a cutting saw blade, the cutting saw blade is used to cut the molybdenum-rhenium alloy to be cut located in the cutting groove, and the cutting saw blade Under the drive of the crawler, the cutting is repeated in one direction from left to right or from right to left in the transverse direction;

A buffer mechanism is arranged between the bottom end of the tool holder connecting shaft and the installation tool holder;

A debris cleaning mechanism is installed on the rear wall of the box on the lateral right or left side of the cutting saw blade, and the debris cleaning mechanism is used for cleaning debris on the cutting saw blade;

A supporting and clamping mechanism for clamping the molybdenum-rhenium alloy to be cut is installed on the bottom surface of the main frame;

The supporting and clamping mechanism includes a vertically arranged supporting hydraulic rod, the large end of the supporting hydraulic rod is fixedly installed on the bottom surface of the main frame, and the small end of the supporting hydraulic rod is installed with a stage; A rotary table is provided on the carrier, and the rotary table is rotatably mounted on the carrier through a rotary base integrally provided at the bottom, so that the rotary table can rotate in the vertical and vertical horizontal planes; the top of the rotary table is rotatable. There is a pair of chutes symmetrically arranged on the surface and arranged along the radial direction. A pair of sliding grooves are respectively installed with sliding clamping seats. A pair of sliding clamping seats have the same structure and are arranged opposite to each other for clamping the molybdenum to be cut. The rhenium alloy, a pair of sliding clamping seats can move along the radial direction in the chute to realize the adjustment of the relative distance between the pair of sliding clamping seats.

The present invention also has the following technical features:

A first bearing support seat corresponding to a pair of crawler belts is installed on the rear wall of the box body. The crawler belts are driven by a power gear and a driven gear. The power gear is fixedly installed on the front end of the first gear shaft. The middle part of a gear shaft is rotatably installed in the corresponding first bearing support seat, the rear end of the first gear shaft is fixedly installed with a first driving gear, and the first driving gear is used to receive external input power; the driven gear is fixed It is installed at the front end of the second gear shaft, and the rear end of the second gear shaft is installed in the corresponding first bearing support seat.

The inner wall of the crawler belt is provided with a plurality of meshing grooves that mesh with the power gear and the driven gear.

A longitudinal connecting pin is fixedly arranged on the longitudinal end surface of the crawler, and a longitudinal pin hole is provided at the top end of the connecting shaft of the tool rest, and the pin hole is sleeved on the connecting pin.

The bottom of the installation blade holder is provided with a cutting saw blade card slot along the horizontal direction, and the bottom of the installation blade holder behind the cutting saw blade card groove is provided with a pair of installation lugs, and the cutting saw blade is clamped in the cutting blade saw card slot and installed. Removable installation is realized by connecting the fixing bolts of the cutting saw blade to the mounting ears.

The buffer mechanism includes a buffer shaft arranged at the bottom end of the tool holder connecting shaft and a buffer cavity vertically opened on the top of the installation tool holder, the top of the buffer cavity is open and a detachable limit ring is fixedly installed to limit The inner diameter of the position ring is smaller than the inner diameter of the buffer cavity, the buffer shaft extends into the buffer cavity through the limit ring, and a limit disk is arranged at the end extending into the buffer cavity, and the outer diameter of the limit disk is equal to the inner diameter of the buffer cavity, The cavity between the limit disk and the limit ring is a stroke cavity; a compression return spring is arranged between the bottom of the limit disk and the bottom of the buffer cavity.

The bottom of the limit plate is provided with an upper plug base, the bottom of the upper plug base is provided with an upper plug, the bottom of the buffer cavity is provided with a lower plug base, and the lower plug base is provided with a lower plug, which compresses the return spring. The top end is sleeved on the upper head and pressed against the base of the upper head, and the bottom end of the compression return spring is sleeved on the lower head and abutted on the base of the lower head.

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

The debris cleaning mechanism includes a debris cleaning rotary disk, on which a plurality of groups of bristles capable of contacting the cutting saw blade are installed, and the debris cleaning rotary disk is installed at the front end of the rotating shaft. A second bearing support seat corresponding to the debris cleaning rotary disc is installed on the rear wall of the rotary shaft, the middle of the rotating shaft is rotatably installed in the corresponding second bearing support seat, and the rear end of the rotating shaft is fixedly installed with a second drive The gear, the second driving gear is used to receive the power input from the outside.

The top surface outside the box is provided with a connecting seat corresponding to the lifting rod one-to-one, the connecting seat is connected with the small end of the lifting rod, and the large end of the lifting rod is fixedly installed on the top surface in the main frame.

The box body and the box cover are rotatably connected by connecting buckles.

The sliding clamping seat includes an upper seat body, the bottom of the upper seat body is integrally provided with a lower sliding block, the lower sliding block is installed in the chute and can move in the chute, and the inner side of the upper seat body is fixedly provided with a clamping device. The seat body, the end of the clamping seat body is fixedly provided with a fixed clamping block, a fastening screw rod is installed on the fixed block, and a movable clamping block and a fastening nut are sleeved on the fastening screw rod, and the movable clamping block can be adjusted through the fastening nut The distance between the holding block and the fixed holding block; the moving holding block and the fixed holding block are used to hold the molybdenum-rhenium alloy to be cut;

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

The bottom of the carrier is equipped with a pair of sliding positioning locks for supporting the carrier. The sliding positioning locks can slide vertically up and down along the guide rail and can be locked on the guide rail.

A sliding surface ball cavity communicated with both sides of the chute is opened in the rotary table along the direction of the vertical chute, and a plurality of sliding surface balls are installed in the sliding surface ball cavity.

The center of the rotating base is vertically provided with a rotating ball cavity that penetrates through the bottom. A plurality of rotating balls are installed in the rotating ball cavity, and the plurality of rotating balls rotate around the inner shaft. The inner shaft is fixedly installed on the stage to realize the rotation. Rotation of the stage on the stage.

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

(I) In the one-way cutting box of the present invention, the installation tool holder and the cutting saw blade can perform repeated one-way movement with the drive crawler, and the sawtooth is provided with a buffer mechanism to further reduce the fluctuation range of the sawtooth movement, the cutting movement is stable, and the effective protection The cutting saw blade saw teeth are used, which greatly improves the cutting efficiency.

(II) In the one-way cutting box of the present invention, a synchronizing gear is arranged in the one-way cutting box, and two sets of transmission tracks are arranged on the synchronizing gear, so that the cutting saw blade can move smoothly and at a uniform speed to obtain a neat cutting edge.

(III) In the one-way cutting box of the present invention, the lower side of the one-way cutting box is provided with a cutting groove, and the specific part of the molybdenum-rhenium alloy is selected by the cutting groove to be cut.

(IV) In the cutting knife of the present invention, the blade holder is installed to completely cover the top of the cutting saw blade so that the saw blade is evenly stressed, thereby providing stable movement conditions for the saw blade. The contact resistance is reduced, the excessive damage of the saw blade is effectively avoided, and the damaged saw blade is easy to replace.

(V) In the cutting knife of the present invention, a buffer mechanism is provided, and the elastic device in the buffer mechanism effectively avoids the left and right jitter of the sawtooth at the moment of cutting contact, reduces the amplitude of the up and down movement of the sawtooth, and protects the saw blade. The precision of the alloy cutting position is also improved.

(VI) In the support and clamping mechanism of the present invention, a rotary table is provided above the object stage, and a linear chute is provided above the rotary table, so that the sample can be rotated 360 degrees during the cutting process.

(VII) In the supporting and clamping mechanism of the present invention, the rotary table is provided with a sliding clamping seat, the sliding clamping seat is provided with a nozzle, and the bottom end of the sliding clamping seat is provided with a sliding surface, which can directly spray the cooling water At the cutting place, the alloy can be fixed more firmly by adjusting the distance between the sliding clamping seats.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a unidirectional cutting device for improving the processing efficiency of molybdenum-rhenium alloys.

Figure 2 is a schematic diagram of the internal structure of the unidirectional cutting box.

FIG. 3 is a schematic top view of a unidirectional cutting box.

FIG. 4 is a schematic view of the rear view of the unidirectional cutting box.

FIG. 5 is a schematic view of the structure of the crawler.

FIG. 6 is a schematic view of the front sectional structure of the installation tool holder.

FIG. 7 is a schematic side view of the structure of the installation tool holder.

FIG. 8 is a schematic diagram of the internal structure of the buffer mechanism.

FIG. 9 is a schematic view of a partially enlarged structure of a cutting saw blade.

Figure 10 is a schematic diagram of the structure of the chute.

Figure 11 is a schematic diagram of the internal structure of the rotary table and the rotary base.

FIG. 12 is a schematic front view of the sliding clamping seat.

FIG. 13 is a left side view of the structure of the sliding clamping seat.

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

The meaning of each label in the figure is: 1-main frame, 2-rail slideway, 3-lifting rod, 4-one-way cutting box, 5-upper slider, 6-supporting and clamping mechanism;

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

40501- knife holder connecting shaft, 40502- installation knife holder, 40503- cutting saw blade, 40504- buffer mechanism, 40505- cutting saw blade fixing bolt, 40506- pin hole, 40507- cutting saw blade slot, 40508- mounting ear seat ;

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

41601-debris cleaning rotary disc, 41602-bristles, 41603-rotating shaft, 41604-second bearing support seat, 41605-second drive gear;

601-Support hydraulic rod, 602-Stand, 603-Rotary table, 604-Rotary base, 605-Chute, 606-Slide clamp seat, 607-Slide positioning lock, 608-Slide surface ball cavity, 609-Slide Surface ball, 610-rotating ball cavity, 611-rotating ball, 612-inner shaft;

60601-upper seat, 60602-lower slider, 60603-clamping seat, 60604-fixed clamping block, 60405-moving clamping block, 60606-fastening screw, 60607-fastening nut, 60608-cooling water pipe, 60609 - Sprinkler.

The specific content of the present invention will be further explained in detail below in conjunction with the embodiments.

Detailed ways

It should be noted that, all components in the present invention, unless otherwise specified, are all known components in the prior art.

Following the above technical solutions, specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations made on the basis of the technical solutions of the present application all fall into the protection scope of the present invention. .

Example 1:

This embodiment provides a cutting knife for improving the processing efficiency of molybdenum-rhenium alloy, as shown in FIG. 2, FIG. 6 to FIG. 9, including a pair of vertically arranged tool rest connecting shafts 40501, a pair of tool rest connecting shafts 40501 The bottom ends are respectively installed in the top lateral sides of the same installation tool holder 40502; the bottom of the installation tool holder 40502 is detachably installed with a cutting saw blade 40503, which is used to cut the cutting saw blade 40503 located in the cutting groove 403 to be cut molybdenum-rhenium alloy;

As a preferred solution of this embodiment, the bottom of the mounting blade holder 40502 is provided with a cutting saw blade slot 40507 along the transverse direction, and the bottom of the mounting blade holder 40502 behind the cutting saw blade slot 40507 is provided with a pair of mounting ears 40508. The cutting saw blade 40503 is clamped in the cutting saw blade slot 40507 and connected to the mounting ear seat 40508 through the cutting saw blade fixing bolt 40505 to realize detachable installation. Install the knife holder 40502 to completely cover the top of the cutting saw blade 40503 so that the saw blade is evenly stressed. The cutting saw blade 40503 cuts through the beveled sawtooth. The beveled sawtooth cuts the contact resistance and effectively avoids the excessive cutting of the saw blade 40503. damage.

As a preferred solution of the present embodiment, a buffer mechanism 40504 is provided between the bottom end of the tool holder connecting shaft 40501 and the installation tool holder 40502; the buffer mechanism 40504 includes a buffer shaft 4050401 and a vertical To the buffer cavity 4050402 opened on the top of the mounting tool holder 40502, the top of the buffer cavity 4050402 is open and a detachable limit ring 4050403 is fixedly installed. The position ring 4050403 extends into the buffer cavity 4050402, and a limit disk 4050404 is set at the end extending into the buffer cavity 4050402. The outer diameter of the limit disk 4050404 is equal to the inner diameter of the buffer cavity 4050402. The limit disk 4050404 and the limit ring 4050402 The cavity between is the stroke cavity 4050405; a compression return spring 4050406 is arranged between the bottom of the limit plate 4050404 and the bottom of the buffer cavity 4050402.

Further preferably, the bottom of the limit plate 4050404 is provided with an upper plug base 4050407, the bottom of the upper plug base 4050407 is provided with an upper plug 4050408, the bottom of the buffer cavity 4050402 is provided with a lower plug base 4050409, and the lower plug base 4050409 is provided with a lower plug 4050410, the top end of the compression return spring 4050406 is sleeved on the upper head 4050408 and abuts on the upper head base 4050407, and the bottom end of the compression return spring 4050406 is sleeved on the lower head 4050410 and abuts on the lower head base 4050409. Further preferably, the compression return spring 4050406 is also covered with a spring protection soft shell 4050410. The elastic device here effectively avoids the left and right jitter of the sawtooth at the moment of cutting contact, reduces the range of the sawtooth moving up and down, protects the saw blade, and improves the precision of the cutting position of the alloy.

Example 2:

This embodiment provides a one-way cutting box for improving the processing efficiency of molybdenum-rhenium alloy. As shown in Figures 2 to 9, it includes a box 401 with an open front, and a box cover 402 is installed on the open front of the box 401. The middle position of the bottom of the body 401 and the box cover 402 is provided with a through cutting groove 403 along the longitudinal direction, the cutting groove 403 communicates the inside and the outside of the box body 401, and the molybdenum-rhenium alloy to be cut is located in the cutting groove 403 in the cutting state;

A pair of crawlers 404 with the same structure and synchronous movement are installed on the rear wall of the box body 401 symmetrically along the transverse direction. The crawlers 404 can move in one direction in a counterclockwise or clockwise direction. There is a cutting knife 405;

The cutting blade 405 adopts the cutting blade that improves the processing efficiency of molybdenum-rhenium alloy given in Example 1. The longitudinal end surfaces of the pair of crawler belts 404 are respectively fixed with a top end of a tool holder connecting shaft 40501 arranged vertically. The cutting saw blade 40503 is driven by the crawler belt 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 part of the molybdenum-rhenium alloy is selected by the cutting groove 403 to be cut.

As a preferred solution of this embodiment, a first bearing support seat 406 corresponding to a pair of crawler belts 404 is installed on the rear wall of the box body 401. The crawler belts 404 are driven by a power gear 407 and a driven gear 408, and the power gear 407 It is fixedly installed at the front end of the first gear shaft 409, the middle of the first gear shaft 409 is rotatably installed in the corresponding first bearing support seat 406, and the rear end of the first gear shaft 409 is fixedly installed with the first drive gear 410, The first driving gear 410 is used to receive externally input power; the driven gear 408 is fixedly installed on the front end of the second gear shaft 411 , and the rear end of the second gear shaft 411 is installed in the corresponding first bearing support seat 406 .

As a preferred solution of this embodiment, the inner wall of the crawler track 404 is provided with a plurality of meshing grooves 412 that mesh with the power gear 407 and the driven gear 408 .

As a preferred solution of this embodiment, a longitudinal connecting pin 413 is fixed on the longitudinal end surface of the crawler belt 404 , and a longitudinal pin hole 40506 is formed at the top of the tool rest connecting shaft 40501 , and the pin hole 40506 is sleeved on the connecting pin 413 .

As a preferred solution of this embodiment, a debris cleaning mechanism 416 is installed on the rear wall of the box body 401 on the lateral right or left side of the cutting saw blade 40503, and the debris cleaning mechanism 416 is used for cleaning the cutting saw blade 40503 The debris cleaning mechanism 416 includes a debris cleaning rotary disk 41601, on which a plurality of groups of bristles 41602 that can contact the cutting saw blade 40503 are installed, and the debris cleaning rotary disk 41601 is installed on the rotating shaft. The front end of the 41603 and the rear wall of the box body 401 are installed with a second bearing support seat 41604 corresponding to the debris cleaning rotary disk 41601, and the middle of the rotating shaft 41603 is rotatably installed in the corresponding second bearing support seat 41604, A second driving gear 41605 is fixedly mounted on the rear end of the rotating shaft 41603, and the second driving gear 41605 is used to receive externally input power.

As a preferred solution of this embodiment, the box body 401 and the box cover 402 are connected in a rotatable manner through a connection buckle 415 .

Example 3:

This embodiment provides a support and clamping mechanism for improving the processing efficiency of molybdenum-rhenium alloy, as shown in Fig. 1, Fig. 10 to Fig. 14, including a support hydraulic rod 601 arranged vertically, and the big end of the support hydraulic rod 601 is fixedly installed On the bottom surface of the main frame 1, a stage 602 is installed on the small end supporting the hydraulic rod 601; the stage 602 is provided with a rotary table 603, and the rotary table 603 is rotatably installed through a rotary base 604 integrally provided at the bottom On the stage 602, the rotary table 603 can be rotated in the vertical and vertical horizontal planes; the top surface of the rotary table 603 is provided with a pair of symmetrically arranged and radially arranged chute 605, a pair of chute 605 A pair of sliding clamping seats 606 are respectively installed inside, and a pair of sliding clamping seats 606 have the same structure and are arranged opposite to each other, and are used to clamp the molybdenum-rhenium alloy to be cut. The upward movement enables adjustment of the relative distance between the pair of sliding gripping seats 606 .

As a preferred solution of this embodiment, the sliding clamping seat 606 includes an upper seat body 60601, the bottom of the upper seat body 60601 is integrally provided with a lower sliding block 60602, and the lower sliding block 60602 is installed in the chute 605 and can be inserted in the chute 605, the inner side of the upper seat 60601 is fixedly provided with a clamping seat 60603, the end of the clamping seat 60603 is fixedly provided with a fixed clamping block 60604, the fixing block 60604 is installed with a tightening screw 60606, the tightening screw The 60606 is fitted with a movable clamping block 60605 and a tightening nut 60607. By tightening the nut 60607, the distance between the movable clamping block 60605 and the fixed clamping block 60604 can be adjusted; the movable clamping block 60605 and the fixed clamping block 60604 are used for To hold the molybdenum-rhenium alloy to be cut;

The upper base 60601 is also provided with a cooling water pipe 60608 passing through the upper base 60601. The inner end of the cooling water pipe 60608 is provided with a spray head 60609, which is installed on the clamping base 60603 near the molybdenum-rhenium alloy to be cut.

As a preferred solution of this embodiment, the rotating table 603 is provided with sliding surface ball cavities 608 in communication with both sides of the sliding groove 605 along the direction of the vertical chute 605, and a plurality of sliding surface ball cavities 608 are installed in the sliding surface ball cavity 608. Slide ball 609.

In this embodiment, the rotary table 603 can be rotated three hundred and sixty degrees. Before cutting, the chute 605 is rotated to be perpendicular to the unidirectional movement direction of the cutting saw blade 40503, that is, the molybdenum-rhenium alloy to be cut is vertical to the chute 605. so that the sliding clamping seat 606 can stably clamp the molybdenum-rhenium alloy to be cut. The sliding clamping base 606 can also be equipped with a conventional locking device as required, so that the sliding clamping base 606 can be locked on the rotary table 603 after being adjusted to a proper position in the chute 605 .

As a preferred solution of this embodiment, the center of the rotating base 604 is vertically provided with a rotating ball cavity 610 penetrating the bottom. A plurality of rotating balls 611 are installed in the rotating ball cavity 610 , and the multiple rotating balls 611 rotate around the inner shaft 612 , the inner shaft 612 is fixedly installed on the stage 602 to realize the rotation of the rotary table 603 on the stage 602 .

Example 4:

This embodiment provides a one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy. As shown in Figures 1 to 14, it includes a main frame 1, and a pair of side walls in the main frame 1 are vertically fixed on a pair of The guide rail slideway 2; the top surface in the main frame 1 is connected with a one-way cutting box 4 through more than one lifting rod 3, and an upper slider 5 is fixedly installed on the lateral sides of the bottom of the one-way cutting box 4, respectively. The sliding block 5 is clamped on the guide rail slideway 2 so that the one-way cutting box 4 can slide vertically up and down along the guide rail slideway 4;

As a preferred solution of this embodiment, the one-way cutting box 4 adopts the one-way cutting box that improves the processing efficiency of molybdenum-rhenium alloy given in Example 2.

As a preferred solution of this embodiment, the top surface outside the box body 401 is provided with a connecting seat 414 corresponding to the lifting rod 3 one-to-one. The connecting seat 414 is connected with the small end of the lifting rod 3, and the large end of the lifting rod 3 is connected It is fixedly installed on the top surface of the main frame 1.

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

As a preferred solution of this embodiment, the support and clamping mechanism 6 adopts the supporting and clamping mechanism that improves the processing efficiency of molybdenum-rhenium alloy given in the third embodiment.

As a preferred solution of this embodiment, the bottom of the stage 602 is equipped with a pair of sliding positioning locks 607 for supporting the loading stage 602 . 607 can slide vertically up and down along the guide rail 2 and can be locked on the guide rail 2 .

The working process of the one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy of the present invention is:

Step 1: Install the sliding positioning lock 607 , control the support hydraulic rod 601 to descend, and drive the stage 602 and the rotary table 603 to move along the guide rail slideway 2 through the support hydraulic rod 601 .

Step 2: Rotate the rotary table 603, and the sliding clamping base 606 performs horizontal linear motion in the chute 605 of the rotary table 603; Cut both ends of the molybdenum-rhenium alloy and achieve locking by tightening the screw 60606 and tightening the nut 60607.

Step 3: Rotate the rotary table 603, so that the chute 605 is rotated to be perpendicular to the unidirectional movement direction of the cutting saw blade 40503, that is, the molybdenum-rhenium alloy to be cut is cut in the direction perpendicular to the chute 605. The supporting hydraulic rod 601 is controlled to rise, and the molybdenum-rhenium alloy to be cut clamped on the sliding clamping base 606 is sent to the cutting groove 403 of the one-way cutting box 4 .

Step 4, in the room temperature state, the rotational speed of the power gear 407 is 15rad/min, the power gear 407 drives the crawler 404 to move in one direction repeatedly, and the cutting groove 403 is the cutting saw blade 40503 that moves in one direction under the drive of the crawler 404, and moves horizontally and straightly. The speed is 0.1m/s, and the molybdenum-rhenium alloy to be cut is cut.

During the cutting process, the buffering mechanism 40504 enables the cutting saw blade 40503 to cut more smoothly, and also protects the cutting saw blade 40503. The spray head 60609 sprays water to cool down, and the debris cleaning mechanism 416 cleans the cutting saw blade 40503. crumbs.

Claims (10)

1. A one-way cutting device for improving molybdenum-rhenium alloy processing efficiency, comprising a main frame (1), characterized in that a pair of guide rail slideways ( 2); The top surface of the main frame (1) is connected with a one-way cutting box (4) through one or more lifting rods (3), and the lateral sides of the bottom of the one-way cutting box (4) are respectively fixed and installed with The upper sliding block (5) is clamped on the guide rail slideway (2) so that the one-way cutting box (4) can slide vertically up and down along the guide rail slideway (4); The one-way cutting box body (4) comprises a box body (401) with an open front, a box cover (402) is installed on the open front of the box body (401), the box body (401) and the box cover (402) ) is provided with a through cutting groove (403) in the middle of the bottom along the longitudinal direction, the cutting groove (403) communicates the inside and the outside of the box (401), and the molybdenum-rhenium alloy to be cut is located in the cutting groove (403) in the cutting state ; A pair of crawler belts (404) with the same structure and synchronous movement are installed on the rear wall of the box body (401) symmetrically along the transverse direction. Cutting knives (405) are respectively fixed on the longitudinal end surfaces of the crawler belts (404); The cutting knife (405) includes a tool holder connecting shaft (40501), and the longitudinal end surfaces of the pair of crawlers (404) are respectively fixed with a top end of the tool holder connecting shaft (40501) arranged vertically, The bottom ends of a pair of tool rest connecting shafts (40501) are respectively installed in the top lateral sides of the same mounting tool rest (40502); the bottom of the mounting tool rest (40502) is detachably mounted with a cutting saw blade ( 40503), the cutting saw blade (40503) is used to cut the molybdenum-rhenium alloy to be cut in the cutting groove (403), and the cutting saw blade (40503) is driven by the crawler (404) from left to right or from left to right in the transverse direction. Repeated one-way cutting from right to left; A buffer mechanism (40504) is arranged between the bottom end of the tool holder connecting shaft (40501) and the installation tool holder (40502); A debris cleaning mechanism (416) is installed on the rear wall of the box (401) on the lateral right or left side of the cutting saw blade (40503), and the debris cleaning mechanism (416) is used for cleaning the cutting saw blade Debris on (40503); A supporting and clamping mechanism (6) for clamping the molybdenum-rhenium alloy to be cut is installed on the bottom surface of the main frame (1); The support clamping mechanism (6) comprises a vertically arranged support hydraulic rod (601), the large end of the support hydraulic rod (601) is fixedly installed on the bottom surface in the main frame (1), and the support hydraulic rod (601) A stage (602) is installed on the small end of (601); the stage (602) is provided with a rotary table (603), and the rotary table (603) can be rotated through a rotary base (604) integrally provided at the bottom. The rotary table (603) is rotatably mounted on the object stage (602), so that the rotary table (603) can be rotated in the vertical and vertical horizontal planes; a pair of symmetrically arranged on the top surface of the rotary table (603) is arranged along the diameter of the rotary table (603). A pair of sliding grooves (605) are respectively installed with sliding clamping seats (606), and a pair of sliding clamping seats (606) have the same structure and are arranged opposite to each other, and are used for clamping the workpiece to be cut. Molybdenum-rhenium alloy, a pair of sliding clamping seats (606) can move along the radial direction in the chute (605) to realize the adjustment of the relative distance between the pair of sliding clamping seats (606). 2. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, characterized in that, the rear wall of the box body (401) is provided with a first pair of crawler belts (404). A bearing support seat (406), the crawler track (404) is driven by a power gear (407) and a driven gear (408), the power gear (407) is fixedly installed on the front end of the first gear shaft (409), the first The middle part of the gear shaft (409) is rotatably mounted in the corresponding first bearing support seat (406), and the rear end of the first gear shaft (409) is fixedly mounted with a first drive gear (410), and the first drive gear ( 410) is used to receive external 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 on the corresponding first bearing support seat (406) )Inside. 3. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, wherein a longitudinal connecting pin (413) is fixedly arranged on the longitudinal end face of the crawler track (404), and the tool holder is connected to The top end of the shaft (40501) is provided with a longitudinal pin hole (40506), and the pin hole (40506) is sleeved on the connecting pin (413). 4. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, wherein the bottom of the said mounting tool holder (40502) is provided with a cutting saw blade slot (40507) along the transverse direction, A pair of mounting lugs (40508) are arranged at the bottom of the mounting blade holder (40502) behind the cutting saw blade slot (40507), and the cutting saw blade (40503) is clamped in the cutting blade saw slot (40507) and passes through the cutting saw blade The fixing bolt (40505) is connected with the mounting ear seat (40508) to realize detachable installation. 5. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, wherein the buffer mechanism (40504) comprises a buffer provided at the bottom end of the tool holder connecting shaft (40501) The shaft (4050401) and the buffer cavity (4050402) vertically opened on the top of the tool holder (40502), the top of the buffer cavity (4050402) is open and fixedly installed with a detachable limit ring (4050403), the limit ring (4050403) ) is smaller than the inner diameter of the buffer cavity (4050402), the buffer shaft (4050401) extends into the buffer cavity (4050402) through the limit ring (4050403), and a limit is set at the end extending into the buffer cavity (4050402) The outer diameter of the limit disk (4050404) is equal to the inner diameter of the buffer cavity (4050402), and the cavity between the limit disk (4050404) and the limit ring (4050402) is the stroke cavity (4050405); the A compression return spring (4050406) is arranged between the bottom of the limit plate (4050404) and the bottom of the buffer cavity (4050402). 6. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, characterized in that, the bottom of the limit disk (4050404) is provided with an upper plug base (4050407), and the upper plug base (4050407) ) is provided with an upper header (4050408) at the bottom, the bottom of the buffer cavity (4050402) is provided with a lower header base (4050409), and the lower header base (4050409) is provided with a lower header (4050410), which compresses the return spring (4050406). ) is fitted on the upper header (4050408) and against the upper header base (4050407), and the bottom end of the compression return spring (4050406) is fitted over the lower header (4050410) and against the lower header base (4050409). 7. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, wherein the debris cleaning mechanism (416) comprises a debris cleaning rotary disk (41601), and the debris cleaning rotary disk A plurality of sets of bristles (41602) are installed on the (41601), which can contact the cutting saw blade (40503). A second bearing support seat (41604) corresponding to the debris cleaning rotary disc (41601) is installed on the rear wall, and the middle of the rotating shaft (41603) is rotatably installed in the corresponding second bearing support seat (41604), A second drive gear (41605) is fixedly mounted on the rear end of the rotating shaft (41603), and the second drive gear (41605) is used to receive externally input power. 8. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, characterized in that, the top surface outside the box (401) is provided with a one-to-one correspondence with the lifting rods (3). The connecting seat (414) is connected with the small end of the lifting rod (3), and the large end of the lifting rod (3) is fixedly installed on the top surface in the main frame (1). 9. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, wherein the sliding clamping seat (606) comprises an upper seat body (60601), and the upper seat body (60601) has a The bottom is integrally provided with a lower slider (60602), the lower slider (60602) is installed in the chute (605) and can move in the chute (605), and the inner side of the upper seat (60601) is fixedly provided with a clamping seat body (60603), the end of the clamping seat body (60603) is fixedly provided with a fixed clamping block (60604), a fastening screw (60606) is installed on the fixing block (60604), and the fastening screw (60606) is sleeved with a Move the clamping block (60605) and the tightening nut (60607), the distance between the moving clamping block (60605) and the fixed clamping block (60604) can be adjusted by tightening the nut (60607); the moving clamping block (60605) ) and a fixed clamping block (60604) for clamping the molybdenum-rhenium alloy to be cut; The upper seat body (60601) is also provided with a cooling water pipe (60608) passing 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 clamp. The position on the holder body (60603) close to the molybdenum-rhenium alloy to be cut. 10. The one-way cutting device for improving the processing efficiency of molybdenum-rhenium alloy according to claim 1, characterized in that, in the rotary table (603), along the direction of the vertical chute (605), there are provided with a chute and a chute (605) a sliding surface ball cavity (608) communicated on both sides, and a plurality of sliding surface balls (609) are installed in the sliding surface ball cavity (608); The center of the rotating base (604) is vertically provided with a rotating ball cavity (610) penetrating the bottom, a plurality of rotating balls (611) are installed in the rotating ball cavity (610), and the plurality of rotating balls (611) surround the inner The shaft (612) rotates, and the inner shaft (612) is fixedly installed on the object stage (602) to realize the rotation of the rotary table (603) on the object stage (602).

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