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CN-224223304-U - Multi-surface rectangular workpiece clamping fixture suitable for four-axis machining

CN224223304UCN 224223304 UCN224223304 UCN 224223304UCN-224223304-U

Abstract

The utility model discloses a multi-surface rectangular workpiece clamping fixture suitable for four-axis machining, which relates to the technical field of tool fixtures and comprises a working bottom plate, a rotary mechanism tailstock is arranged on the left side of the top end of the working bottom plate, the right side of the top end of the working bottom plate is provided with a four-axis rotating mechanism, and the right side of a tailstock of the rotating mechanism and the left side of the four-axis rotating mechanism are movably provided with a butt joint mounting plate. The clamp is only suitable for rectangular workpieces, reduces secondary clamping, improves machining precision and efficiency, is provided with the positioning blocks distributed on the clamp main board for positioning and separating the workpieces, is hollow in a main body to reduce weight and has expansibility, a plurality of through holes, positioning pin holes and screw holes are formed in four surfaces, and each surface can be provided with clamp main boards of different types to adapt to clamping of various rectangular workpieces.

Inventors

  • ZHANG DAHAI

Assignees

  • 安徽昱景科技有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (6)

  1. 1. A multi-surface rectangular workpiece clamping fixture suitable for four-axis machining comprises a working bottom plate (8) and is characterized in that a rotating mechanism tail seat (10) is arranged on the left side of the top end of the working bottom plate (8), a four-axis rotating mechanism (9) is arranged on the right side of the top end of the working bottom plate (8), a butt joint mounting plate (11) is movably arranged on the right side of the rotating mechanism tail seat (10) and the left side of the four-axis rotating mechanism (9), clamp main bodies (2) are movably arranged at the opposite ends of the butt joint mounting plate (11), clamp main boards (3) are arranged on the front side and the rear side of the clamp main bodies (2), clamping mechanisms (5) are arranged at the two ends of one side, far away from the clamp main bodies (2), of the clamp main bodies (2) are arranged at the opposite positions of the clamp main bodies (3), a plurality of positioning plates (6) are arranged on the outer sides of the clamp main bodies (2), and a plurality of through holes, pin holes and screw holes are formed in the periphery of the outer parts of the clamp main bodies (2) are hollow structures.
  2. 2. The multi-surface rectangular workpiece clamping fixture suitable for four-axis machining according to claim 1, wherein the two ends of the fixture main body (2) are provided with mounting butt joints (1), one end, far away from the fixture main body (2), of each mounting butt joint (1) is in butt joint with a butt joint mounting plate (11), and a main body fixing pressing block (12) is arranged between each mounting butt joint (1) and each butt joint mounting plate (11).
  3. 3. The multi-surface rectangular workpiece clamping fixture suitable for four-axis machining according to claim 1, wherein a plurality of positioning blocks (4) are equidistantly arranged on one side, far away from the fixture main body (2), of the fixture main plate (3), mounting screw holes are formed in the middle of each positioning block (4) and the outside of the fixture main plate (3), and mounting screws are screwed in the mounting screw holes.
  4. 4. The multi-surface rectangular workpiece clamping fixture suitable for four-axis machining according to claim 1, wherein butt joint round openings are formed in two ends of one side, far away from the fixture main body (2), of the fixture main body (3), positioning pins (7) are mounted at opposite positions of the butt joint round openings of the fixture main body (2), and the positioning pins (7) penetrate through the inside of the butt joint round openings.
  5. 5. The multi-surface rectangular workpiece clamping fixture suitable for four-axis machining according to claim 1, wherein the clamping mechanism (5) comprises a trapezoidal pressing block (501), a U-shaped expansion pressing sheet (502), trapezoidal pressing block pressing screws (503) and pressing screw limiting clamp springs (504), butt joint notches are formed in two ends of one side, far away from the fixture main body (2), of the fixture main plate (3), two butt joint openings are formed in inner cavities of the butt joint notches, butt joint screw openings are formed in the outer portions of the fixture main body (2) and located in the relative positions of the butt joint openings, and the trapezoidal pressing block pressing screws (503) penetrate through the butt joint openings and are connected with the butt joint screw openings.
  6. 6. The multi-surface rectangular workpiece clamping fixture suitable for four-axis machining according to claim 5, wherein the U-shaped expansion pressing plates (502) are respectively arranged at one ends of the trapezoidal pressing block pressing screws (503) far away from the butt joint screw openings, and the trapezoidal pressing blocks (501) are respectively movably arranged at one ends of the trapezoidal pressing block pressing screws (503) far away from the butt joint screw openings.

Description

Multi-surface rectangular workpiece clamping fixture suitable for four-axis machining Technical Field The utility model relates to the technical field of tool clamps, in particular to a multi-surface rectangular workpiece clamping clamp suitable for four-axis machining. Background At present, most of existing machining clamps are in a single-sided clamping mode, machining of a plurality of surfaces cannot be achieved in one-time clamping, frequent disassembly and repositioning are needed, machining efficiency and accuracy are affected, and particularly in a four-axis machining center, due to the change of machining angles, the traditional clamp is difficult to meet the requirements of efficient clamping and stable fixing. Disclosure of utility model The utility model aims to provide a multi-surface rectangular workpiece clamping fixture suitable for four-axis machining, so as to solve the problems in the background technology. In order to achieve the purpose, the technical scheme is that the multi-surface rectangular workpiece clamping fixture suitable for four-axis machining comprises a working bottom plate, a rotating mechanism tail seat is arranged on the left side of the top end of the working bottom plate, four-axis rotating mechanisms are arranged on the right side of the top end of the working bottom plate, butt joint mounting plates are movably arranged on the right side of the rotating mechanism tail seat and the left side of the four-axis rotating mechanisms, clamp main bodies are movably arranged at opposite ends of the butt joint mounting plates, clamp main boards are arranged at the front side and the rear side of the clamp main bodies, clamping mechanisms are arranged at two ends of one side of the clamp main boards, which are far away from the clamp main bodies, and a plurality of positioning plates are arranged at opposite positions of the clamp main boards outside the clamp main bodies. Preferably, the installation butt joint is all installed at anchor clamps main part both ends, the one end that anchor clamps main part was kept away from to the installation butt joint is docked with the butt joint mounting panel, install main part fixed briquetting between installation butt joint and the butt joint mounting panel. Preferably, a plurality of locating blocks are equidistantly arranged on one side, far away from the clamp main body, of the clamp main board, mounting screw holes are formed in the middle of each locating block and the outer portion of the clamp main board, and mounting screw rods are arranged in the mounting screw holes in a threaded manner. Preferably, the butt joint round mouth has all been seted up at one side both ends that the anchor clamps mainboard kept away from the anchor clamps main part, and the anchor clamps main part is located the relative position of butt joint round mouth and all installs the locating pin, the locating pin passes inside the butt joint round mouth. Preferably, the clamping mechanism comprises a trapezoidal pressing block, a U-shaped expansion pressing plate, a trapezoidal pressing block pressing screw and a pressing screw limiting clamp spring, a butt joint notch is formed in two ends of one side, far away from the clamp main body, of the clamp main board, two butt joint ports are formed in inner cavities of the butt joint notch, butt joint screw ports are formed in the outer portion of the clamp main body, located at the opposite positions of the butt joint ports, of the clamp main body, and the trapezoidal pressing block pressing screw penetrates through the butt joint ports and is connected with the butt joint screw ports. Preferably, the U-shaped expansion pressing piece is arranged at one end, far away from the butt joint screw, of the trapezoidal pressing piece pressing screw, and the trapezoidal pressing piece is movably arranged at one end, far away from the butt joint screw, of the trapezoidal pressing piece pressing screw. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the workpiece is clamped by matching the trapezoidal pressing block with the U-shaped expansion pressing piece, the inclined surface of the trapezoidal pressing block is attached to the inclined surface of the inner side of the U-shaped expansion pressing piece, and when a screw is screwed down, the U-shaped expansion pressing piece expands outwards, so that stable clamping is realized; The clamp is only suitable for rectangular workpieces, reduces secondary clamping, improves machining precision and efficiency, is provided with the positioning blocks distributed on the clamp main board for positioning and separating the workpieces, is hollow in a main body to reduce weight and has expansibility, a plurality of through holes, positioning pin holes and screw holes are formed in four surfaces, and each surface can be provided with clamp main boards of different types to adapt to clamping of various rectangular