CN112045263A

CN112045263A - Numerical control rotary wire cutting machine

Info

Publication number: CN112045263A
Application number: CN202010886792.2A
Authority: CN
Inventors: 黄龙辉
Original assignee: Beijing Kunzerong Technology Co ltd
Current assignee: Suining Jiachuan Electronic Technology Co., Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-12-08
Anticipated expiration: 2040-08-28
Also published as: CN112045263B

Abstract

The invention discloses a numerical control rotary wire cutting machine, which structurally comprises a base, an operating platform, a box door, a cutting fluid spray head, a transmission shaft, a wire guide shaft and a splash guard, wherein the right side of the base is hinged with the box door, the bottom end of the operating platform is connected with the surface of the base through a bolt, the tail end of the cutting fluid spray head is connected with the top end of the transmission shaft in a nested manner, the inner wall of the wire guide shaft is fixed on the lower end surface of the transmission shaft, the anti-splash plate is connected with the bolt, the bottom end of the anti-splash plate is movably clamped with the surface of the operation table, the base comprises a circulating water tank, a water pump and a transmission pipe, the water pump is integrally fixed inside the right side of the circulating water tank, the top end of the water pump is connected with the end flange of the transmission pipe, and the circulating water tank comprises a coarse strainer, a filter and a storage box.

Description

Numerical control rotary wire cutting machine

Technical Field

The invention relates to the field of numerical control equipment, in particular to a numerical control rotary wire cutting machine.

Background

The numerical control rotary wire cutting machine is commonly called 'wire cutting', mainly adopts an electrode wire, a molybdenum wire and a tungsten-molybdenum wire as tool electrodes, spark discharge is formed between the tool electrodes and machined parts, a large amount of heat is instantly generated to melt and gasify machined parts, and the wire cutting machine enables the wires to move along a preset track through the motion coordination between supporting plates, so that the purpose of appointing the shape of the machined parts is achieved.

However, the prior art has the following defects: in the middle of the wire-electrode cutting processing's process, because equipment sends a large amount of heats and processes, so need the working solution to cool off the work piece often, working solution after the in-process of cutting uses together with the piece, the iron mud flows into in collecting the pond together so that subsequent cycle uses, the working solution of follow-up use together with the iron mud, the piece is taken out together and is cooled off the machined part, so that the working solution that makes to have impurity together with the iron mud, the piece is sprayed the slot that the silk is cutting in, make the silk blocked by the parcel of iron mud piece, in addition the quick up-and-down motion of machinery directly causes the silk to be broken, lead to beginning the processing stage and just appear disconnected silk phenomenon.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a numerical control rotary wire cutting machine, which solves the problems that in the wire cutting process in the prior art, because a large amount of heat is generated by equipment for processing, a workpiece needs to be cooled from time to time, working fluid used in the cutting process flows into a collecting pool together with chips and iron mud so as to be recycled subsequently, the working fluid used subsequently is pumped up together with the iron mud and the chips so as to cool a workpiece, so that the working fluid with impurities, the iron mud and the chips are sprayed into a slit groove in which a wire is being cut, the wire is wrapped and clamped by the iron mud chips, and the wire is directly pulled off due to the rapid vertical movement of a machine, so that the wire breakage phenomenon occurs in the processing stage.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a numerical control rotary wire cutting machine, its structure includes base, operation panel, chamber door, cutting fluid shower nozzle, transmission shaft, wire axle, splash shield, the base right side is articulated with the chamber door and is connected, the operation panel bottom is connected with base surface bolted connection, cutting fluid shower nozzle end and transmission shaft top nested connection, wire axle inner wall is fixed at the transmission shaft terminal surface down, rather than bolted connection, splash shield bottom and operation panel surface activity block, inside circulation tank, water pump, the transmission pipe of including of base, the water pump is whole to be fixed inside circulation tank right side, the water pump top is connected with transmission pipe end flange.

The invention is further improved, the circulating water tank comprises a coarse strainer, a filter and a containing box, the lower end of the coarse strainer is connected with the top end of the filter in a welding way, and the containing box is fixed at the lower end of the filter and is movably matched with the filter; the upper end and the lower end of the filter are triangular, and an ellipse is clamped between the upper end and the lower end of the filter.

The filter is further improved by the invention, the filter comprises a guide plate, a rotating plate, a stress rod, a connecting rod and a collector, the guide plate is fixed at the upper end of the rotating plate and is movably matched with the rotating plate, the rotating plate is movably matched with the top end of the connecting rod, the bottom of the connecting rod is fixedly embedded with the stress rod, the surface of the collector is welded with the bottom end of the connecting rod, the rotating plate is in an oval shape as a whole, and a rectangular baffle is embedded on the oval surface.

The invention is further improved, the collector comprises a movable rod, a bearing bin, a drainage channel and three dredging devices, the movable rod is fixed at the upper end of the bearing bin, two walls of the drainage channel are in clearance fit with two walls of the dredging devices, the dredging devices are fixed inside the bearing bin and are in movable fit with the bearing bin, and the dredging devices are round long columns which are totally provided with three dredging devices.

The invention is further improved, the dredging device comprises a spring piece, a rubber block, a protective sleeve and a dredging rod, the top end of the spring piece is movably matched with the inner wall of the rubber block, the dredging rod is connected with the inner part of the protective sleeve in an embedded mode, the bottom end of the spring piece is connected with the top end of the dredging rod in a welded mode, and the spring piece is in a V shape.

The storage box is further improved, the storage box comprises a fixed seat, a blocking rod, two penetration holes, two expansion plates and permanent magnets, the surface of the fixed seat is connected with the top end of the blocking rod through bolts, the bottom end of the blocking rod is movably matched with the end of the expansion plate, the penetration holes are fixedly embedded with the permanent magnets, the left end and the right end of each penetration hole are fixedly embedded with the tail end of the expansion plate, and the two blocking rods are oppositely matched in pairs.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects;

1. according to the invention, the working fluid is collected through the circulating water tank, the collected working fluid is doped with iron mud and iron filings, the iron mud and water are primarily separated by the guide plate impacted by the working fluid, the rotating plate is rotated by the impact force of the working fluid, the stress rod is matched with the collector to press down, the movable rod is folded while pressing down, the dredging rod can extrude the spring piece through the rubber block to force the dredging rod to further press down, the problem that the device further separates the iron mud and the iron filings during filtering is effectively solved, and the condition that the drainage tank is blocked by the iron mud and the iron filings is also avoided.

2. According to the invention, the movable rod is pressed downwards, the dredging rod on the dredger pushes the blocking rod hinged with the fixed seat to drive the telescopic plate to contract, iron mud and scrap iron entering together are adsorbed by the permanent magnet through the expanded blocking rod, and in order to avoid the situation that the iron mud and scrap iron flow around along with working fluid after entering, the dredging rod is an indirect trigger blocking rod, so that the iron mud and scrap iron are completely adsorbed by the permanent magnet, and the situation that the working fluid is flushed to a processing workpiece again when being circularly used is effectively avoided.

Drawings

Fig. 1 is a schematic structural diagram of a numerical control rotary wire cutting machine according to the present invention.

FIG. 2 is a schematic side view of a numerical control rotary wire cutting machine according to the present invention.

Fig. 3 is a schematic view showing the inside structure of the circulation tank of the present invention.

Fig. 4 is a schematic view of the interior of the filter of the present invention.

Fig. 5 is a schematic front view of the collector of the present invention.

Fig. 6 is a front view of the dredger of the invention.

Fig. 7 is a schematic structural view of the inside of the storage box of the present invention.

In the figure: the device comprises a base-1, an operation table-2, a box door-3, a cutting fluid spray head-4, a transmission shaft-5, a wire guide shaft-6, a splash board-7, a circulating water tank-11, a water pump-12, a transmission pipe-13, a coarse filter screen-111, a filter-112, a storage box-113, a guide plate-a 1, a rotating plate-a 2, a stress rod-a 3, a connecting rod-a 4, a collector-a 5, a movable rod-a 51, a bearing bin-a 52, a drainage tank-a 53, a dredger-a 54, a spring piece-d 1, a rubber block-d 2, a protective sleeve-d 3, a dredger-d 4, a fixed seat-b 1, a stopping rod-b 2, a permeation hole-b 3, a telescopic plate-b 4 and a permanent magnet-b 5.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example 1

As shown in figures 1 to 6:

the structure of the cutting fluid spray head comprises a base 1, an operation table 2, a box door 3, a cutting fluid spray head 4, a transmission shaft 5, a wire shaft 6 and a splash board 7, wherein the right side of the base 1 is hinged with the box door 3, the bottom end of the operation table 2 is in bolted connection with the surface of the base 1, the tail end of the cutting fluid spray head 4 is in nested connection with the top end of the transmission shaft 5, the inner wall of the wire shaft 6 is fixed on the lower end face of the transmission shaft 5 and is in bolted connection with the transmission shaft, the bottom end of the splash board 7 is movably clamped with the surface of the operation table 2, the base 1 internally comprises a circulating water tank 11, a water pump 12 and a transmission pipe 13, the water pump 12 is integrally fixed inside the right.

The circulating water tank 11 comprises a coarse strainer 111, a filter 112 and a containing box 113, wherein the lower end of the coarse strainer 111 is connected with the top end of the filter 112 in a welding manner, and the containing box 113 is fixed at the lower end of the filter 112 and is movably matched with the filter 112; the filter 112 is an ellipse sandwiched between the upper and lower ends of a triangle, wherein the filter 112 is beneficial to filtering the passing working fluid, and the fluid and the residual objects are separated through the internal structure, so that the filter is prepared in advance for next collection.

The filter 112 comprises a guide plate a1, a rotating plate a2, a stressed rod a3, a connecting rod a4 and a collector a5, wherein the guide plate a1 is fixed at the upper end of the rotating plate a2 and is movably matched with the rotating plate a2, the rotating plate a2 is movably matched with the top end of the connecting rod a4, the bottom of the connecting rod a4 is fixedly embedded with the stressed rod a3, the surface of the collector a5 is connected with the bottom end of the connecting rod a4 in a welding manner, the rotating plate a2 is integrally elliptical, but a rectangular baffle is embedded in the elliptical surface, the rotating plate a2 is beneficial to buffering working fluid flowing downwards from the upper end, and impact force provides a downward pressing kinetic energy for the connecting rod a4 at the lower end through the baffle embedded in the.

The collector a5 comprises a movable rod a51, a bearing bin a52, a drainage channel a53 and a dredger a54, wherein the movable rod a51 is fixed at the upper end of the bearing bin a52, two walls of the drainage channel a53 are in clearance fit with two walls of the dredger a54, the dredger a54 is fixed inside the bearing bin a52 and is in clearance fit with the bearing bin a52, the dredger a54 is a round long column, the number of the dredger a54 is three, the dredger a54 is beneficial to dredging with the drainage channel a53 through pressure brought by the upper end when the drainage channel a53 is blocked, and adverse effects caused by blocking of the drainage channel a53 are avoided.

The dredging device a54 comprises a spring piece d1, a rubber block d2, a protective sleeve d3 and a dredging rod d4, the top end of the spring piece d1 is movably matched with the inner wall of the rubber block d2, the dredging rod d4 is connected with the protective sleeve d3 in a nested mode, the bottom end of the spring piece d1 is connected with the top end of the dredging rod d4 in a welded mode, the spring piece d1 is in a V-shaped shape, the spring piece d1 facilitates extrusion brought by the rubber block d2, and the spring piece d1 is forced to push the dredging rod d4 to further advance, so that the situation that blockage is deep and dredging cannot be achieved is avoided.

The specific working principle is as follows:

the invention collects the working fluid through the circulating water tank 11, the working fluid is conveyed to the cutting fluid spray head 4 by the conveying pipe 13 connected with the water pump 12 and the flange thereof to cool the processed workpiece, the circulating working fluid flows into the circulating water tank 11 through the leak groove on the equipment, the working fluid is doped with iron mud and scrap iron, flows to the coarse filter 111, permeates to the filter 112 and finally flows into the containing box 113, the iron mud and water are primarily separated through the guide plate a1 impacted by the working fluid, the rotating plate a2 rotates through the impact force of the working fluid, the plate on the rotating plate a2 drives the downward pressing connecting rod a4 to make the stressed rod a3 cooperate with the collector 112 to press downward, the movable rod a51 is folded while pressing downward, the dredging device a54 dredges the drainage groove a53, the dredging length is prevented from being insufficient in the dredging process, the dredging rod d4 can extrude the d1 through the rubber block d2 to force the dredging rod d4 to further press downward the spring piece, effectual solved equipment and further separated iron mud, iron fillings on the way of filterable, still avoided water drainage tank a53 by the condition of iron mud, iron fillings jam.

Example 2:

as shown in fig. 5 to 7:

The dredging device a54 comprises a spring piece d1, a rubber block d2, a protective sleeve d3 and a dredging rod d4, the top end of the spring piece d1 is movably matched with the inner wall of the rubber block d2, the dredging rod d4 is connected with the protective sleeve d3 in an embedded mode, the bottom end of the spring piece d1 is connected with the top end of the dredging rod d4 in a welded mode, the spring piece d1 is arranged and is in a V shape, the spring piece d1 facilitates extrusion brought by the rubber block d2, the spring piece d1 is forced to push the dredging rod d4 to further advance, and the situation that blockage is deep and cannot be dredged is avoided.

Wherein, containing box 113 includes fixing base b1, arresting bar b2, infiltration hole b3, expansion plate b4, permanent magnet b5, fixing base b1 surface and arresting bar b2 top bolted connection, arresting bar b2 bottom and expansion plate b4 end swing fit, infiltration hole b3 and permanent magnet b5 are inlayed and are connected firmly, both ends are inlayed with expansion plate b4 terminal about infiltration hole b3 and are connected arresting bar b2 is equipped with two, and two liang of opposite cooperate, have to hinder arresting bar b2 and be favorable to avoiding flowing everywhere along with the working solution with iron mud, iron fillings effective restriction in containing box bottom.

The specific working principle is as follows:

according to the invention, the movable rod a51 is pressed downwards, so that the working fluid in the bearing bin a52 flows to the containing box, the blocking rod b2 hinged with the fixed seat b1 is pushed by the dredging rod d4 on the dredger a54 to drive the expansion plate b4 to contract, so that the working fluid flows into the bottom of the containing box, iron mud and iron filings entering together are adsorbed by the permanent magnet b5 through the expanded blocking rod b2, in order to avoid flowing along with the working fluid after entering, the dredging rod b4 is an indirect triggering blocking rod b2, enough time is provided for the iron mud and the iron filings to be completely adsorbed by the permanent magnet b5, the flowing working fluid normally permeates and is discharged through the permeation hole b3, and the rest iron mud and the iron filings are adsorbed in the containing box, so that the working fluid is effectively prevented from being flushed to the processing workpiece again when being circularly used.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rotatory wire cut electrical discharge machining of numerical control, its structure includes base (1), operation panel (2), chamber door (3), cutting fluid shower nozzle (4), transmission shaft (5), wire axle (6), splash shield (7), base (1) right side is connected with chamber door (3) are articulated, operation panel (2) bottom and base (1) surface bolted connection, terminal and transmission shaft (5) top nested connection of cutting fluid shower nozzle (4), wire axle (6) inner wall is fixed at transmission shaft (5) terminal surface down, rather than bolted connection, splash shield (7) bottom and operation panel (2) surface activity block, its characterized in that:

the base (1) is internally provided with a circulating water tank (11), a water pump (12) and a transmission pipe (13), the water pump (12) is integrally fixed inside the right side of the circulating water tank (11), and the top end of the water pump (12) is connected with the tail end of the transmission pipe (13) through a flange.

2. A numerically controlled rotary wire cutting machine according to claim 1, wherein: including coarse strainer (111), filter (112), containing box (113) in circulation tank (11), coarse strainer (111) lower extreme and filter (112) top welded connection, containing box (113) are fixed in filter (112) lower extreme position, rather than clearance fit.

3. A numerically controlled rotary wire cutting machine according to claim 2, wherein: the filter (112) comprises a guide plate (a1), a rotating plate (a2), a stressed rod (a3), a connecting rod (a4) and a collector (a5), wherein the guide plate (a1) is fixed at the upper end of the rotating plate (a2) and is movably matched with the rotating plate, the rotating plate (a2) is movably matched with the top end of the connecting rod (a4), the bottom of the connecting rod (a4) is fixedly connected with the stressed rod (a3), and the surface of the collector (a5) is connected with the bottom end of the connecting rod (a4) in a welded mode.

4. A numerically controlled rotary wire cutting machine according to claim 3, wherein: the collector (a5) comprises a movable rod (a51), a bearing bin (a52), a water drainage groove (a53) and a dredger (a54), wherein the movable rod (a51) is fixed at the upper end of the bearing bin (a52), two walls of the water drainage groove (a53) are in clearance fit with two walls of the dredger (a54), and the dredger (a54) is fixed inside the bearing bin (a52) and is in movable fit with the bearing bin.

5. A numerical control rotary wire cutting machine according to claim 4, characterized in that: dredge ware (a54) includes spring leaf (d1), rubber block (d2), protective sheath (d3), mediation pole (d4), spring leaf (d1) top and rubber block (d2) inner wall clearance fit, dredge pole (d4) and protective sheath (d3) inside nested connection, spring leaf (d1) bottom and dredge pole (d4) top welded connection.

6. A numerically controlled rotary wire cutting machine according to claim 2, wherein: containing box (113) include fixing base (b1), arresting bar (b2), infiltration hole (b3), expansion plate (b4), permanent magnet (b5), fixing base (b1) surface and arresting bar (b2) top bolted connection, arresting bar (b2) bottom and expansion plate (b4) end swing fit, infiltration hole (b3) and permanent magnet (b5) are embedded and are connected, both ends and expansion plate (b4) terminal are embedded and are connected about infiltration hole (b 3).