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CN-224222896-U - Rotary cutting head mechanism of slow wire cutting machine

CN224222896UCN 224222896 UCN224222896 UCN 224222896UCN-224222896-U

Abstract

The utility model discloses a rotary cutting head mechanism of a slow wire cutting machine, which comprises a mounting seat, wherein a wire inlet hole is formed in the upper end of the mounting seat, a wire outlet hole is formed in the lower end of the mounting seat, and a wire guide eye die is fixedly connected to the wire outlet hole. According to the utility model, the detachable guide wire eye mold core is arranged, when the guide wire eye mold is worn, only the guide wire eye mold core is required to be replaced, the material cost and the maintenance cost are reduced, the whole cutting head mechanism is not required to be disassembled and replaced, the shutdown time is shortened, the cutting efficiency is improved, the additionally arranged screw rod is used for enabling the inserted rod to be inserted into the insertion hole through rotating the extrusion pressing block, the installation stability of the guide wire eye mold core can be improved, the position of the wire electrode can be restrained through arranging the wire guide plate and the wire guide wheel, the verticality of the wire electrode can be kept in the cutting process, deflection is avoided, the arranged positioning wheel can further optimize the positioning precision and the operation stability of the wire electrode, the wire electrode is always positioned at the center of the guide wire eye mold, and deviation in cutting is avoided.

Inventors

  • CHEN JIABIN
  • YOU DONG
  • HUANG WANQUAN

Assignees

  • 昆山莱璟机电科技有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (7)

  1. 1. The rotary cutting head mechanism of the slow wire cutting machine comprises a mounting seat (1) and is characterized in that a wire inlet hole (2) is formed in the upper end of the mounting seat (1), a wire outlet hole (3) is formed in the lower end of the mounting seat (1), and a wire guide eye die (4) is fixedly connected to the wire outlet hole (3); The utility model discloses a wire eye mould, including wire eye mould, screw hole (49) are all offered to inside at wire eye mould (4) both ends, screw hole (43) have all been offered to mounting groove (42) below, equal threaded connection has screw rod (44) in screw hole (43), all be equipped with flexible spring rod (46) in the inside through-hole of mounting groove (42), flexible spring rod (46) outside all is equipped with briquetting (47), the equal fixedly connected with inserted bar (48) of upside and downside of briquetting (47) inboard one end, inserted bar (48) all pass the inboard of wire eye mould (4), wire eye mould (4) inner wall is equipped with eye mould core (49), jack (491) have all been offered to the upside and downside at eye mould core (49) both ends, inserted bar (48) all peg graft in jack (491).
  2. 2. The rotary cutting head mechanism of the slow wire cutting machine according to claim 1, wherein a wire guide plate (11) is fixedly connected to the upper part inside the installation seat (1), and wire guide wheels (12) are arranged on two sides below the inside of the installation seat (1).
  3. 3. The rotary cutting head mechanism of the slow wire cutting machine according to claim 1, wherein the wire electrode (5) is arranged between the wire inlet hole (2) and the wire outlet hole (3), and the wire electrode (5) passes through the wire guide plate (11) and the wire guide wheel (12) and passes out of the wire guide eye mould (4).
  4. 4. The rotary cutting head mechanism of the slow wire cutting machine according to claim 1, wherein positioning wheels (41) are arranged on the inner wall of the wire guide eye mould (4) in the circumferential direction, and the positioning wheels (41) are contacted with the electrode wires (5).
  5. 5. The rotary cutting head mechanism of the slow wire cutting machine according to claim 1, wherein the upper ends of the screw rods (44) are all of an inclined plane design, the lower ends of the pressing blocks (47) are all of an inclined plane design, and the pressing blocks (47) are moved by the extrusion contact of the two inclined planes.
  6. 6. The rotary cutting head mechanism of the slow wire cutting machine according to claim 1, wherein the screw rods (44) are provided with knob heads (45) at the bottoms, and the knob heads (45) are embedded in circular grooves at the bottom sides of the screw holes (43).
  7. 7. The rotary cutting head mechanism of a slow-moving wire cutting machine as set forth in claim 1, wherein said eye mold core (49) is made of a tungsten steel material of a hardness alloy.

Description

Rotary cutting head mechanism of slow wire cutting machine Technical Field The utility model relates to the technical field of slow wire cutting, in particular to a rotary cutting head mechanism of a slow wire cutting machine. Background The wire cutting machine is a high-precision numerical control machine tool which uses a continuously moving fine metal wire (usually copper wire) as an electrode, removes metal through pulse spark discharge and cuts and forms, is widely used in the fields of die manufacturing, precision part machining and the like, and a cutting head mechanism is used as a core component of the slow wire cutting machine, the stability and reliability of the cutting head mechanism directly influence the machining quality and efficiency, wherein a wire guide eye die is a key part in a cutting head and is used for guiding an electrode wire and ensuring the accurate positioning of the electrode wire. The traditional guide wire eye mould adopts the fixed connection mode, namely guide wire eye mould and eye mould core design as an organic whole, because the long-time contact of electrode silk and guide wire eye mould, need the whole guide wire eye mould of periodic replacement, increased the use cost of equipment, and change process consuming time and consuming effort influences cutting efficiency. Disclosure of utility model The utility model aims to provide a rotary cutting head mechanism of a slow wire cutting machine, so as to solve the problems in the background art. In order to achieve the above purpose, the utility model provides the technical scheme that the rotary cutting head mechanism of the slow wire cutting machine comprises a mounting seat, wherein a wire inlet hole is formed in the upper end of the mounting seat, a wire outlet hole is formed in the lower end of the mounting seat, and a wire guide eye die is fixedly connected to the wire outlet hole. The utility model discloses a wire guide eye mould, including wire guide eye mould, screw, telescopic spring pole, inserted bar, jack, the inside screw thread is all offered to the inside mounting groove, the mounting groove below, screw thread is all offered to the inside screw thread, all be equipped with telescopic spring pole in the inside through-hole of mounting groove, telescopic spring pole outside all is equipped with the briquetting, the equal fixedly connected with inserted bar of the upside of briquetting inboard one end, the inserted bar all passes the inboard of wire guide eye mould, wire guide eye mould inner wall is equipped with the eye mould core, the jack has all been offered to the upside at eye mould core both ends, the inserted bar all is pegged graft in the jack. In the above-mentioned technical scheme, only need change the seal wire eye mold core after the seal wire eye mould wearing and tearing, reduce material cost and maintenance's expense, and need not to dismantle and change whole cutting head mechanism, reduce down time, improve cutting efficiency, the screw rod that sets up in addition is through rotating extrusion briquetting for the inserted bar is pegged graft in the jack, can improve the steadiness of seal wire eye mold core installation. As a further preferable mode of the technical scheme, the wire guide plate is fixedly connected to the upper portion inside the mounting seat, and wire guide wheels are arranged on two sides of the lower portion inside the mounting seat. According to the technical scheme, the wire guide plate and the wire guide wheel are arranged to restrain the position of the electrode wire, so that the electrode wire is ensured to keep perpendicularity in the cutting process, and deflection is avoided. As a further preferable mode of the technical scheme, an electrode wire is arranged between the wire inlet hole and the wire outlet hole, and passes through the wire guide plate and the wire guide wheel and passes out of the wire guide eye die. As a further preferable mode of the technical scheme, positioning wheels are arranged on the inner wall of the upper part of the wire guide eye mould in the circumferential direction, and the positioning wheels are connected with the electrode wires. In the technical scheme, the positioning wheel can further optimize the positioning precision and the running stability of the electrode wire, ensure that the electrode wire is always positioned at the center of the guide wire eye die, and avoid deviation during cutting. As a further preferable mode of the technical scheme, the upper ends of the screw rods are designed to be inclined planes, the lower ends of the pressing blocks are designed to be inclined planes, and the pressing blocks are enabled to move due to extrusion contact of the two inclined planes. As a further preferable mode of the technical scheme, the screw bottom is provided with knob heads, and the knob heads are embedded into circular grooves at the bottom sides of the screw holes. As a further preferable mode of the technical s