CN211614995U

CN211614995U - Workpiece clamping device of numerical control milling machine

Info

Publication number: CN211614995U
Application number: CN202020288999.5U
Authority: CN
Inventors: 程文浩; 高攀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-02
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to a numerical control milling machine fixture technical field, in particular to a numerical control milling machine workpiece clamping device, which comprises a milling machine workbench, wherein a guard board is arranged on the surface of the milling machine workbench, a fixed frame is arranged on the surface of the guard board, an electric hydraulic cylinder is arranged inside the fixed frame, a fixture frame is arranged at the end part of a shaft body of the electric hydraulic cylinder, a rotating disc is rotatably connected inside the fixture frame, the rotating disc is connected on a shaft body of a motor, the motor is arranged in the mounting frame, the mounting frame is fixed on the surface of the fixture frame, a plane clamping plate is arranged on the surface of the rotating disc, and a circular arc; the beneficial effects are that: the utility model provides a numerically controlled fraise machine work piece clamping device adds in anchor clamps frame and establishes the rolling disc, installs different splint on the rolling disc, rotates through the motor drive rolling disc, realizes the switching of different splint, compares in changing sectional fixture on the workstation, so easy operation is convenient.

Description

Workpiece clamping device of numerical control milling machine

Technical Field

The utility model relates to a numerical control milling machine anchor clamps correlation technique field specifically is a numerical control milling machine work piece clamping device.

Background

With the rapid development of social production and scientific technology, mechanical products are increasingly precise and complex, and need to be frequently modified, particularly mechanical parts required in the fields of space navigation, shipbuilding, military and the like, and have high precision requirement, complex shape and small batch. The machining of such products requires frequent modification or adjustment of the equipment, and conventional machine tools or highly specialized automated milling machines have not been able to accommodate these requirements. In order to solve the problems, a novel milling machine, namely a numerical control milling machine, is produced. The novel milling machine has the advantages of strong adaptability, high machining precision, stable machining quality, high production efficiency and the like. The numerical control milling machine comprehensively applies technical achievements in various aspects such as an electronic computer, automatic control, servo drive, precision measurement, a novel mechanical structure and the like, and is the development direction of the numerical control milling machine in future;

in the prior art, a numerical control milling machine generally places a workpiece on a table top of a machine tool manually, then adjusts a fixing device to fix the workpiece for milling, and because different machined workpieces are different, a plane workpiece is machined sometimes, an arc surface workpiece is machined sometimes, a tubular workpiece is machined sometimes, and the same fixture is difficult to adapt to clamping of various workpieces, therefore, when different workpieces are machined, matched fixtures need to be replaced on the table, and the operation is troublesome; therefore, the utility model provides a numerically controlled fraise machine work piece clamping device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerically controlled fraise machine work piece clamping device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a numerically controlled fraise machine work piece clamping device, includes the milling machine workstation, the surface of milling machine workstation is provided with encloses the backplate, the surface of enclosing the backplate is provided with the mount, the inside of mount is provided with electric hydraulic cylinder, electric hydraulic cylinder's axis body tip is provided with anchor clamps frame, the inside rotation of anchor clamps frame is connected with the rolling disc, the rolling disc is connected on the axis body of motor, the motor sets up in the mounting bracket, the mounting bracket is fixed at anchor clamps frame on the surface, and the surface of rolling disc is provided with the plane splint, and the surface of rolling disc is provided with the circular arc splint, and the surface of rolling disc is provided with pipe tool splint, and the wire of motor is detained through the pencil and is fixed.

Preferably, the enclosure plate is square plate-shaped structure, and the enclosure plate is provided with two, and two enclosure plates are distributed about the central symmetry of milling machine workstation, and electric hydraulic cylinder's axis body runs through the enclosure plate.

Preferably, the fixture frame is a T-shaped frame structure, the surface of the fixture frame is provided with a limiting rotating groove, the inside of the limiting rotating groove is rotatably connected with supporting rotating columns, the supporting rotating columns are fixed on the circular surface of the rotating disc, the supporting rotating columns are provided with two, and the two supporting rotating columns are respectively distributed on the two circular surfaces of the rotating disc.

Preferably, the plane splint are square platelike structure, and the plane splint are personally submitted convex curved surface with the connection of rolling disc, and the plane splint are provided with two, and two plane splints are circular centre of a circle symmetric distribution about the rolling disc, and the circular arc splint are circular arc platelike structure, circular arc splint and pipe clamp plate are circular centre symmetric distribution about the rolling disc, and the pipe clamp plate is the circular cylinder structure of notch cuttype, and wherein two plane splints, circular arc splint and pipe clamp plate are "ten" font and arrange on the circular arc lateral wall of rolling disc.

Preferably, the lead comprises a spiral section, two ends of the spiral section are integrally formed with straight sections, the straight section on one side is surrounded by the binding buckle, and the straight section on the other side penetrates through the guard plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a numerically controlled fraise machine work piece clamping device adds in the anchor clamps frame and establishes the rolling disc, installs different splint on the rolling disc, through motor drive rolling disc rotation, realizes the switching of different splint, compares and changes the installation anchor clamps on the workstation, so easy operation is convenient;

2. the utility model provides a numerically controlled fraise machine work piece clamping device sets up the spiral section on the wire of motor, when anchor clamps frame was impeld by electric hydraulic cylinder, the spiral section of wire was removed by tensile cooperation, avoids the motor to remove in-process wire and is pulled apart.

Drawings

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

FIG. 2 is a schematic view of the structure of the rotating disc of the present invention;

fig. 3 is the schematic view of the connection structure of the fixture frame and the rotating disc of the present invention.

In the figure: the device comprises a milling machine workbench 1, a containment plate 2, a fixed frame 3, an electric hydraulic cylinder 4, a clamp frame 5, a limiting rotary groove 51, a rotary disc 6, a supporting rotary column 61, a motor 7, a mounting frame 8, a plane clamping plate 9, an arc clamping plate 10, a pipe clamping plate 11, a lead 12, a straight section 121, a spiral section 122 and a wire binding buckle 13.

Detailed Description

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

Referring to fig. 1 to 3, the present invention provides a technical solution: a workpiece clamping device of a numerical control milling machine comprises a milling machine workbench 1, wherein the surface of the milling machine workbench 1 is welded with an enclosure plate 2, the enclosure plate 2 is vertical to the milling machine workbench 1, the enclosure plate 2 is of a square plate-shaped structure, the enclosure plate 2 is provided with two enclosure plates 2, the two enclosure plates 2 are symmetrically distributed about the center of the milling machine workbench 1, a shaft body of an electric hydraulic cylinder 4 penetrates through the enclosure plate 2, the surface of the enclosure plate 2 is welded with a fixed frame 3, the electric hydraulic cylinder 4 is fixed inside the fixed frame 3, the end part of the shaft body of the electric hydraulic cylinder 4 is welded with a clamp frame 5, the inside of the clamp frame 5 is rotatably connected with a rotating disc 6, the clamp frame 5 is of a T-shaped frame structure, the surface of the clamp frame 5 is provided with a limiting rotating groove 51, the inside of the limiting rotating groove 51 is rotatably connected with a supporting rotating column 61, the supporting rotating, the two supporting rotating columns 61 are respectively distributed on two circular surfaces of the rotating disc 6; the rotary disc 6 is connected to a shaft body of a motor 7 (model number refers to BH35BYJ 26-001), the motor 7 is fixed in a mounting frame 8, the mounting frame 8 is welded on the surface of a clamp frame 5, matched clamping plates are adjusted to face towards a workpiece according to the workpiece to be clamped, the specific operation is as follows, the motor 7 is started to drive the rotary disc 6 to intermittently rotate ninety degrees in the clamp frame 5 to realize the switching of the clamping plates until the clamping plates matched with the workpiece are opposite to the workpiece, the motor 7 is stopped to operate, then the electric hydraulic cylinder 4 is started to push the clamp frame 5 to approach the workpiece until the clamping plates on the surface of the rotary disc 6 clamp and fix the workpiece;

the surface of the rotating disc 6 is welded with a plane clamping plate 9, the surface of the rotating disc 6 is welded with an arc clamping plate 10, the surface of the rotating disc 6 is welded with a pipe clamping plate 11, the plane clamping plate 9 is of a square plate-shaped structure, the connection surface of the plane clamping plate 9 and the rotating disc 6 is a circular arc curved surface, the plane clamping plate 9 is provided with two plane clamping plates 9, the two plane clamping plates 9 are symmetrically distributed about the circle center of the circular surface of the rotating disc 6, the arc clamping plate 10 is of a circular arc plate-shaped structure, the arc clamping plate 10 and the pipe clamping plate 11 are symmetrically distributed about the circle center of the rotating disc 6, the pipe clamping plate 11 is of a step-shaped circular column structure, wherein the two plane clamping plates 9, the arc clamping plate 10 and the pipe clamping plate 11 are arranged on the circular arc side wall of the rotating disc 6 in a cross shape, the pipe, silica gel pads are bonded on the surfaces of the plane clamping plate 9 and the arc clamping plate 10, so that scratches are avoided when the clamping plates clamp the surface of a workpiece;

the lead 12 of the motor 7 is fixed on the surface of the clamp frame 5 through the wire binding buckle 13, the lead 12 comprises a spiral section 122, two ends of the spiral section 122 are respectively integrally formed with a straight section 121, the straight section 121 on one side is surrounded by the wire binding buckle 13, the straight section 121 on the other side penetrates through the guard plate 2, when the electric hydraulic cylinder 4 pushes the clamp frame 5 to move, the spiral section 122 of the lead 12 is stretched, and the lead 12 is prevented from being broken when the motor 7 moves.

The working principle is as follows: during actual work, the splint that match are adjusted to the work piece of centre gripping as required orientation work piece, concrete operation is as follows, starting motor 7 drives rolling disc 6 and rotates ninety degrees in the inside intermittent type formula of anchor clamps frame 5 and realize the switching of splint, until the splint that match with the work piece are relative with the work piece, stop motor 7 operation, then start electric hydraulic cylinder 4 and promote anchor clamps frame 5 and be close to the work piece, until the splint on rolling disc 6 surface are fixed to the work piece centre gripping, at this in-process, the spiral section 122 of wire 12 is stretched, wire 12 is pulled apart when avoiding motor 7 to remove, wherein pipe splint 11 sets up and is the circular cylinder structure of notch type, be convenient for pipe splint 11 to peg graft at the tip opening part of the tubular work piece of different pipe diameters, and the surface of plane splint 9 and circular arc splint 10 all bonds there is the silica gel pad, the scratch appears when avoiding splint to.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerically controlled fraise machine work piece clamping device, includes milling machine workstation (1), its characterized in that: a containment plate (2) is arranged on the surface of the milling machine workbench (1), a fixed frame (3) is arranged on the surface of the containment plate (2), an electric hydraulic cylinder (4) is arranged in the fixed frame (3), a clamp frame (5) is arranged at the end part of the shaft body of the electric hydraulic cylinder (4), the interior of the clamp frame (5) is rotatably connected with a rotating disc (6), the rotating disc (6) is connected on a shaft body of a motor (7), the motor (7) is arranged in a mounting rack (8), the mounting rack (8) is fixed on the surface of the clamp rack (5), a plane clamping plate (9) is arranged on the surface of the rotating disc (6), an arc clamping plate (10) is arranged on the surface of the rotating disc (6), and the surface of the rotating disc (6) is provided with a pipe clamp plate (11), and a lead (12) of the motor (7) is fixed on the surface of the clamp frame (5) through a wire harness buckle (13).

2. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: enclose backplate (2) and be square platelike structure, enclose backplate (2) and be provided with two, two enclose backplate (2) about the central symmetric distribution of milling machine workstation (1), the axis body of electric hydraulic cylinder (4) runs through encloses backplate (2).

3. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: the fixture frame (5) is of a T-shaped frame structure, a limiting rotary groove (51) is formed in the surface of the fixture frame (5), a supporting rotary column (61) is connected to the inner portion of the limiting rotary groove (51) in a rotating mode, the supporting rotary column (61) is fixed on the circular face of the rotary disc (6), two supporting rotary columns (61) are arranged, and the two supporting rotary columns (61) are distributed on the two circular faces of the rotary disc (6) respectively.

4. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: plane splint (9) are square platelike structure, plane splint (9) are personally submitted convex curved surface with the connection of rolling disc (6), plane splint (9) are provided with two, two plane splint (9) are about the disc centre of a circle symmetric distribution of rolling disc (6), circular arc splint (10) are circular arc platelike structure, circular arc splint (10) and pipe clamp plate (11) are about the centre of a circle symmetric distribution of rolling disc (6), pipe clamp plate (11) are the circular cylinder structure of notch cuttype, wherein two plane splint (9), circular arc splint (10) and pipe clamp plate (11) are "ten" font and arrange on the circular arc lateral wall of rolling disc (6).

5. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: the lead (12) comprises a spiral section (122), two ends of the spiral section (122) are integrally formed with straight sections (121), the straight section (121) on one side is surrounded by the wiring buckle (13), and the straight section (121) on the other side penetrates through the surrounding protection plate (2).