CN114559115A

CN114559115A - Electric spark wire-electrode cutting machine tool

Info

Publication number: CN114559115A
Application number: CN202210354650.0A
Authority: CN
Inventors: 陈逸彬; 梁荣; 常国栋; 金皋城
Original assignee: Ningbo University of Technology
Current assignee: Ningbo University of Technology
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-05-31

Abstract

The invention discloses a wire cut electric discharge machine, which comprises a machine body, wherein a vertical frame is arranged on the upper side of the machine body, a wire conveying cutting mechanism is arranged on the vertical frame, a first workbench is arranged on the upper side of one end of the machine body, a second workbench is arranged on the upper side of the first workbench in a sliding manner through a screw rod, a baffle is arranged on the inner side of the upper part of the second workbench, a workpiece clamping mechanism is arranged on the inner side of the baffle, a perspective window is arranged on the baffle, an air blowing cooling mechanism is arranged on one side of the baffle, an air blower is connected to one side of the air blowing cooling mechanism through an air conveying pipe, a PLC control cabinet is arranged on the outer side of one end of the machine body, and a lower pad foot is arranged on the lower side of the machine body. Prevent that the work piece that rolls the boiling hot from scalding operating personnel, improve the security of using.

Description

Electric spark wire-electrode cutting machine tool

Technical Field

The invention relates to the technical field of electric spark wire cutting, in particular to an electric spark wire cutting machine tool.

Background

Electric spark is a machining process, and mainly utilizes a discharge electrode with a specific geometric shape to burn the geometric shape of the electrode on a metal part. A method of dimensional processing of materials by using a corrosion phenomenon generated at the time of spark discharge, called spark machining, is commonly used for the production of blanking dies and molds. A method of dimensional processing of a material by using a corrosion phenomenon generated in spark discharge is called electrical discharge processing. Electric discharge machining is spark discharge in a liquid medium in a lower voltage range, and is mainly performed by a mechanical factory. The electric spark is a self-excited discharge and is characterized in that: the spark discharge between two electrodes has a higher voltage before discharge, and when the two electrodes approach each other, the medium between them is broken down, and then the spark discharge occurs. Along with the breakdown process, the resistance between the two electrodes becomes sharply small, and the voltage between the two electrodes also becomes sharply low.

The invention discloses a wire cut electric discharge machine with application number of CN201920499895.6 in the prior art, which belongs to the technical field of wire cut electric discharge machining and comprises a machine body, a workbench, a transparent baffle, a cleaning assembly, a cleaning frame and a cleaning strip, wherein the machine body is provided with a wire conveying cutting mechanism and the workbench, the periphery of the workbench is detachably connected with the transparent baffle, the transparent baffle is provided with the cleaning assembly for cleaning the transparent baffle, the cleaning assembly comprises the cleaning frame erected on the transparent baffle, the cleaning frame is in sliding connection with the transparent baffle, the cleaning strip is fixedly connected to one side of the cleaning frame, which faces the inner wall of the transparent baffle, the part of the cleaning frame, which is positioned outside the transparent baffle, is fixedly connected with a handle, and the cleaning strip is abutted against the inner wall of the transparent baffle.

However, the workpiece is not convenient to be positioned in the prior art, so that the cutting efficiency and precision are affected, the workpieces in different shapes are difficult to be positioned, the workpieces need to be taken out after the cutting is completed, the problem that an operator is easy to scald in the process is solved, and the use safety is reduced.

Disclosure of Invention

The invention aims to provide a wire cut electric discharge machine, which solves the problems that in the prior art, the positioning treatment of workpieces is inconvenient, so that the cutting efficiency and precision are influenced, the positioning treatment of workpieces in different shapes is difficult, the workpieces need to be taken out after the cutting is finished, the scalded workpieces are easy to scald operators, and the use safety is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spark-erosion wire cutting machine bed, includes the organism, the grudging post is installed to the organism upside, install fortune silk cutting mechanism on the grudging post, first workstation is installed to organism one end upside, there is the second workstation first workstation upside through lead screw slidable mounting, work piece fixture is installed at second workstation upside both ends, the baffle is installed in the second workstation upper portion outside, install perspective window on the baffle, the cooling body that bloies is installed to baffle one side, bloies and is connected with the air-blower in cooling body one side through defeated tuber pipe, the PLC switch board is installed in the organism one end outside, the bottom plate foot is installed to the organism downside.

Further, the vertical frame is connected with the wire conveying and cutting mechanism through a Z-axis screw rod in a transmission mode, the first workbench is connected with the upper side of the machine body through an X-axis screw rod in a transmission mode, and the upper side of the first workbench is connected with the second workbench through a Y-axis screw rod in a transmission mode.

Further, fortune silk cutting mechanism is including the horizontal support arm that is equipped with, and the spark-erosion wire cutting head is installed to the one end of horizontal support arm.

Further, work piece fixture is including the supporting seat that is equipped with, the holder is installed down through the riser to the bottom in the supporting seat, the top is connected with the holder through the telescopic link transmission in the supporting seat, the telescopic link transmission of going up the holder upside is connected with the cylinder.

Furthermore, the upper clamping seat and the lower clamping seat are both composed of a plane clamping plate and an arc-shaped clamping plate, and anti-skid pads are mounted on the inner sides of the upper clamping seat and the lower clamping seat.

Further, plane splint and arc splint an organic whole set up, and plane splint set up in the both sides of arc splint, and two sets of plane splint and arc splint correspond the setting from top to bottom.

Further, the supporting seat is set to be a U-shaped supporting seat, one end of the supporting seat is in transmission connection with a first rotating shaft, one end of the first rotating shaft is in transmission connection with a first motor, and the first motor is installed on the outer side of the baffle.

Furthermore, the air-blowing cooling mechanism comprises an air-blowing opening, one end of the air-blowing opening is connected with an air-blowing cover, and one end of the air-blowing cover is connected with the air delivery pipe.

Furthermore, support arms are installed at two ends of one side of the air blowing port, and the support arms are hinged to the connecting seat of the inner wall of the baffle through a second rotating shaft.

Furthermore, second pivot one end transmission is connected with the second motor, and the second motor is installed in the connecting seat outside.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the workpiece clamping mechanism is arranged on the workbench and comprises the supporting seat, the lower clamping seat is arranged at the bottom in the supporting seat through the vertical plate, the upper clamping seat is connected to the top in the supporting seat through the telescopic rod in a transmission manner, and the telescopic rod on the upper side of the upper clamping seat is connected with the air cylinder in a transmission manner, so that the air cylinder drives the upper clamping seat to be pressed on the lower clamping seat, the two ends of the workpiece can be clamped and positioned, and the cutting precision is convenient to improve.

2. According to the invention, the upper clamping seat and the lower clamping seat are respectively composed of the plane clamping plate and the arc-shaped clamping plate, the plane clamping plate and the arc-shaped clamping plate are integrally arranged, and the plane clamping plates are arranged on two sides of the arc-shaped clamping plate, so that the plane workpiece or the columnar workpiece can be respectively clamped and positioned, and the clamping and positioning efficiency and the use flexibility are improved.

3. According to the invention, the supporting seat is set into a U-shaped supporting seat, one end of the supporting seat is in transmission connection with the first rotating shaft, one end of the first rotating shaft is in transmission connection with the first motor, and the first motor is arranged on the outer side of the baffle plate, so that the supporting seat can be driven to longitudinally rotate and adjust through the first motor, the angle adjustment and cutting treatment of a workpiece can be conveniently carried out, and the cutting efficiency can be improved.

4. According to the invention, through the arranged blowing cooling mechanism, one side of the blowing cooling mechanism is connected with the air blower through the air delivery pipe, the blowing cooling mechanism comprises the blowing opening, one end of the blowing opening is connected with the air blowing cover, and one end of the air blowing cover is connected with the air delivery pipe, so that air cooling treatment can be carried out on the cut workpiece, the scalding workpiece is prevented from scalding operators, and the use safety is improved.

5. According to the invention, the two ends of one side of the air blowing port are provided with the supporting arms, the supporting arms are hinged with the connecting seat on the inner wall of the baffle plate through the second rotating shaft, one end of the second rotating shaft is in transmission connection with the second motor, and the second motor is arranged on the outer side of the connecting seat, so that the second rotating shaft is driven by the second motor to rotate forwards and backwards in a reciprocating manner, the air blowing port can be swung upwards and downwards to perform air supply treatment, and the air cooling efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a workpiece clamping mechanism according to the present invention;

fig. 3 is a schematic structural diagram of the blowing cooling mechanism of the present invention.

In the figure: 1. a body; 2. a wire conveying and cutting mechanism; 3. a second table; 4. erecting a frame; 5. a first table; 6. a workpiece clamping mechanism; 601. a supporting seat; 602. an upper clamping seat; 603. a lower clamping seat; 6031. a planar splint; 6032. an arc-shaped splint; 604. a cylinder; 605. a vertical plate; 606. a first rotating shaft; 607. a first motor; 7. a blowing cooling mechanism; 701. an air blowing port; 702. a blower housing; 703. a wind delivery pipe; 704. a support arm; 705. a connecting seat; 706. a second rotating shaft; 707. a second motor; 8. a blower; 9. a perspective window; 10. a baffle plate; 11. PLC switch board.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the invention, an electric spark wire cutting machine comprises a machine body 1, wherein a vertical frame 4 is installed on the upper side of the machine body 1, a wire conveying cutting mechanism 2 is installed on the vertical frame 4 to facilitate electric spark cutting of a workpiece, a first workbench 5 is installed on the upper side of one end of the machine body 1, a second workbench 3 is installed on the upper side of the first workbench 5 in a sliding mode through a screw rod to facilitate placing of the workpiece for cutting, workpiece clamping mechanisms 6 are installed on two ends of the upper side of the second workbench 3 to clamp and position two ends of the workpiece to facilitate improvement of cutting precision, a baffle plate 10 is installed on the outer side of the upper portion of the second workbench 3, a perspective window 9 is installed on the baffle plate 10, an air blowing cooling mechanism 7 is installed on one side of the baffle plate 10, an air blower 703 is connected to one side of the air blowing cooling mechanism 7 through an air conveying pipe to enable air cooling of the cut workpiece, prevent to roll the work piece scald operating personnel that scalds, improve the security of using, PLC switch board 11 is installed in the 1 one end outside of organism, and the control end of each equipment all with 11 electric connection of PLC switch board, be convenient for carry out whole and control, the lower bolster foot is installed to 1 downside of organism, the lower bolster foot sets to the round platform form, is convenient for carry out balanced support to 1 lower part of organism and handles.

Preferably, the grudging post 4 is connected through the transmission of Z axle lead screw between the cutting mechanism 2 with fortune silk, and first workstation 5 is connected with the transmission of 1 upside of organism through the X axle lead screw, and 5 upsides of first workstation are connected with the transmission of second workstation 3 through the transmission of Y axle lead screw, are convenient for remove along X axle, Y axle and Z axle and adjust the processing to cut better.

Preferably, the wire conveying and cutting mechanism 2 comprises a transverse supporting arm, and a wire cut electrical discharge machine is mounted at one end of the transverse supporting arm, so that cutting processing through electrical discharge is facilitated.

Preferably, work piece fixture 6 is including the supporting seat 601 that is equipped with, and lower holder 603 is installed through riser 605 to the bottom in the supporting seat 601, and the top is connected with upper holder 602 through the telescopic link transmission in the supporting seat 601, and the telescopic link transmission of upper holder 602 upside is connected with cylinder 604 for on holder 602 presses and holds under holder 603 through the cylinder 604 drive, thereby can carry out the centre gripping location to the work piece both ends and handle, be convenient for improve cutting accuracy.

Preferably, the upper clamping base 602 and the lower clamping base 603 are both composed of a plane clamping plate 6031 and an arc clamping plate 6032, and anti-slip pads are mounted on the inner sides of the upper clamping base 602 and the lower clamping base 603, so that the clamping and positioning stability is improved.

Preferably, plane splint 6031 and arc splint 6032 set up as an organic whole, and plane splint 6031 sets up in the both sides of arc splint 6032, and two sets of plane splint 6031 and arc splint 6032 correspond the setting from top to bottom for can carry out the centre gripping location to plane work piece or column work piece respectively and handle, improve the efficiency of centre gripping location and the flexibility of use.

Preferably, the supporting seat 601 is set to be a U-shaped support, one end of the supporting seat 601 is in transmission connection with the first rotating shaft 606, one end of the first rotating shaft 606 is in transmission connection with the first motor 607, and the first motor 607 is installed on the outer side of the baffle 10, so that the supporting seat 601 can be driven to longitudinally rotate and adjust through the first motor 607, the workpiece is conveniently subjected to longitudinal angle adjustment and cutting, and the cutting efficiency is improved.

Preferably, the air-blowing cooling mechanism 7 includes an air-blowing opening 701, one end of the air-blowing opening 701 is connected with an air-blowing cover 702, one end of the air-blowing cover 702 is connected with the air-conveying pipe 703, and the air-blowing opening 701 is set to be rectangular, so as to facilitate air-blowing cooling treatment.

Preferably, the two ends of one side of the air blowing port 701 are provided with the supporting arms 704, the supporting arms 704 are hinged with the connecting seat 705 on the inner wall of the baffle 10 through the second rotating shaft 706, one end of the second rotating shaft 706 is in transmission connection with the second motor 707, the first motor 607 and the second motor 707 adopt alternating current stepping motors, the second motor 707 is arranged on the outer side of the connecting seat 705, and the second rotating shaft 706 is driven by the second motor 707 to rotate forwards and backwards in a reciprocating manner, so that the air blowing processing of the air blowing port 701 in a vertical swinging manner can be realized, and the air cooling efficiency can be improved.

The working principle and the using process of the invention are as follows: install work piece fixture 6 through 3 upside both ends of second workstation, work piece fixture 6 is including lower holder 603 and the last holder 602 that is equipped with, the work piece that will wait to cut is placed holder 603 upside down, holder 602 presses through cylinder 604 drive and is held under on holder 603, can carry out centre gripping location to the work piece and handle, be convenient for improve cutting accuracy, and install air-blast cooling mechanism 7 through baffle 10 one side, air-blast cooling mechanism 7 one side is connected with air-blower 8 through defeated tuber pipe 703, can accomplish the work piece to the cutting and carry out the forced air cooling and handle, the work piece that prevents to roll the boiling hot scalds operating personnel, the security of use has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wire-cut electric discharge machine comprising a machine body (1), characterized in that: grudging post (4) are installed to organism (1) upside, install fortune silk cutting mechanism (2) on grudging post (4), first workstation (5) are installed to organism (1) one end upside, there is second workstation (3) first workstation (5) upside through lead screw slidable mounting, work piece fixture (6) are installed at second workstation (3) upside both ends, baffle (10) are installed in second workstation (3) upper portion outside, cooling body (7) of blowing are installed to baffle (10) one side, cooling body (7) of blowing are connected with air-blower (8) through defeated tuber pipe (703) in one side, PLC switch board (11) are installed in organism (1) one end outside, the foot is filled up down to organism (1) downside installation.

2. A wire electric discharge machine according to claim 1, characterized in that: the vertical frame (4) is connected with the wire conveying and cutting mechanism (2) through a Z-axis screw rod in a transmission mode, the first workbench (5) is connected with the upper side of the machine body (1) through an X-axis screw rod in a transmission mode, and the upper side of the first workbench (5) is connected with the second workbench (3) through a Y-axis screw rod in a transmission mode.

3. A wire electric discharge machine according to claim 1, characterized in that: the wire conveying and cutting mechanism (2) comprises a transverse supporting arm, and one end of the transverse supporting arm is provided with a wire cut electric discharge machine.

4. A wire electric discharge machine according to claim 1, characterized in that: the workpiece clamping mechanism (6) comprises a supporting seat (601) which is provided with a lower clamping seat (603) which is arranged at the bottom in the supporting seat (601) through a vertical plate (605), the top in the supporting seat (601) is connected with an upper clamping seat (602) through a telescopic rod in a transmission manner, and the telescopic rod on the upper side of the upper clamping seat (602) is connected with an air cylinder (604) in a transmission manner.

5. A wire electric discharge machine according to claim 4, characterized in that: go up holder (602) and lower holder (603) and constitute by plane splint (6031) and arc splint (6032), go up holder (602) and lower holder (603) inboard and all install the slipmat.

6. A wire electric discharge machine according to claim 5, characterized in that: plane splint (6031) and arc splint (6032) an organic whole set up, and plane splint (6031) set up the both sides at arc splint (6032), and two sets of plane splint (6031) and arc splint (6032) correspond the setting from top to bottom.

7. A wire electric discharge machine according to claim 4, characterized in that: the supporting seat (601) is arranged to be a U-shaped supporting seat, one end of the supporting seat (601) is connected with a first rotating shaft (606) in a transmission mode, one end of the first rotating shaft (606) is connected with a first motor (607) in a transmission mode, and the first motor (607) is installed on the outer side of the baffle (10).

8. A wire electric discharge machine according to claim 1, characterized in that: the air blowing cooling mechanism (7) comprises an air blowing opening (701) which is arranged, one end of the air blowing opening (701) is connected with an air blowing cover (702), and one end of the air blowing cover (702) is connected with an air conveying pipe (703).

9. A wire electric discharge machine according to claim 8, characterized in that: support arms (704) are installed at two ends of one side of the air blowing port (701), and the support arms (704) are hinged to a connecting seat (705) of the inner wall of the baffle (10) through a second rotating shaft (706).

10. A wire electric discharge machine according to claim 9, characterized in that: one end of the second rotating shaft (706) is connected with a second motor (707) in a transmission manner, and the second motor (707) is installed on the outer side of the connecting seat (705).