CN222448817U

CN222448817U - Positioning mechanism of laser cutting machine

Info

Publication number: CN222448817U
Application number: CN202420906811.7U
Authority: CN
Inventors: 牛富伟; 卫晓宇; 马志强; 宋同献
Original assignee: Pingdingshan Shunxie Machinery Equipment Co ltd
Current assignee: Pingdingshan Shunxie Machinery Equipment Co ltd
Priority date: 2024-04-28
Filing date: 2024-04-28
Publication date: 2025-02-11
Anticipated expiration: 2034-04-28

Abstract

The utility model discloses a positioning mechanism of a laser cutting machine, which comprises an operation table, wherein the upper surface of the operation table is fixedly connected with a protective cover, the upper surface of the operation table is provided with a travel groove, one side surface of the operation table is fixedly provided with a servo motor, an output shaft of the servo motor is fixedly provided with a screw rod through a coupler, one end of the screw rod penetrates through and extends to the inside of the operation table, the outer surface of one end of the screw rod is arranged on the inner wall of one side of the operation table, and the outer surface of the screw rod is in threaded connection with a threaded block.

Description

Positioning mechanism of laser cutting machine

Technical Field

The utility model relates to the technical field of laser cutting machines, in particular to a positioning mechanism of a laser cutting machine.

Background

The laser cutting machine is a cutting device, which mainly irradiates a workpiece through a high-power density laser beam to melt the workpiece, then sprays non-oxidizing gas through a nozzle coaxial with the laser beam, discharges liquid metal under the pressure of the gas to form a notch, has the characteristics of high precision, rapid cutting, no limitation to cutting patterns and the like, and is widely applied to the fields of automobiles, machinery, electric power, hardware, electric appliances and the like.

When the square workpiece is fixed, the conventional cutting table is usually used for compressing the upper part of the workpiece by adopting the rotation of the pressing plate matched with the bolt, the repeated rotation of the bolt is required when the workpiece is fixed and taken down, the operation is complicated, the upper part of the workpiece can be shielded by the pressing plate when the upper part of the workpiece is compressed, the cutting range of the surface of the workpiece is easy to limit, and the problem of seriously increasing the waste around the workpiece is caused.

Disclosure of utility model

The utility model aims to provide a positioning mechanism of a laser cutting machine, which is used for solving the problems in the background technology.

The utility model provides a laser cutting machine positioning mechanism, which comprises an operation table, wherein the upper surface of the operation table is fixedly connected with a protective cover, the upper surface of the operation table is provided with a travel groove, one side surface of the operation table is fixedly provided with a servo motor, an output shaft of the servo motor is fixedly provided with a screw rod through a coupler, one end of the screw rod penetrates through and extends to the inside of the operation table, the outer surface of one end of the screw rod is arranged with the inner wall of one side of the operation table, and the outer surface of the screw rod is in threaded connection with a thread block;

The upper surface of screw thread piece is provided with positioner, and positioner includes the movable block, the lower surface of movable block with the upper surface fixed connection of screw thread piece.

Preferably, one end of the moving block penetrates through the travel groove and extends to the upper surface of the operating platform, one end of the moving block is fixedly connected with a cutting table, and symmetrically distributed guide sliding grooves are formed in the upper surface of the operating platform.

Preferably, the inner wall sliding connection of guide chute has the direction slider, two the upper surface of direction slider all with the lower surface fixed connection of cutting table, the interior bottom wall of cutting table installs the location bull stick through the bearing.

Preferably, the external surface fixing of location bull stick has cup jointed flat gear, the one end fixedly connected with drive block of location bull stick, the upper surface of drive block all articulates through the round pin axle has the swing piece that is annular array and distributes, the equal fixedly connected with guide bar of both sides inner wall of cutting table.

Preferably, the outer surface of the guide rod is movably sleeved with a rack, the tooth surface of the rack is meshed with the tooth surface of the flat gear, and a small-sized servo electric cylinder is fixedly arranged on the inner wall of one side of the cutting table.

Preferably, one end of the piston rod of the small-sized servo electric cylinder is fixedly connected with a pressure block, the back of the pressure block is fixedly connected with the front of the rack, and the upper surface of the cutting table is provided with limiting sliding grooves distributed in an annular array.

Preferably, the two side inner walls of the limiting chute are fixedly connected with limiting rods, the outer surfaces of the limiting rods are movably sleeved with positioning blocks, the two side surfaces of the positioning blocks are in sliding contact with the two side inner walls of the limiting chute, and the lower surfaces of the positioning blocks are hinged with one ends of the swinging blocks through pin shafts.

Compared with the prior art, the positioning device has the beneficial effects that the positioning device can rapidly clamp and detach the workpiece, and can not shade the upper part of the workpiece, so that the operation is convenient, the waste materials generated around the workpiece are reduced, and the problems that when the square workpiece is fixed through the rotation of the pressing plate matched with the bolt, the operation is complicated, the surface of the workpiece is shielded, and the waste materials around the workpiece are increased are solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a perspective view of an operation table of a positioning mechanism of a laser cutting machine according to the present utility model;

FIG. 3 is a perspective view of a cutting table of a positioning mechanism of a laser cutting machine according to the present utility model;

fig. 4 is an exploded view of a driving block structure of a positioning mechanism of a laser cutting machine according to the present utility model.

The device comprises a working table 1, a protective cover 2, a travel groove 3, a servo motor 4, a screw rod 5, a screw rod 6, a thread block 7, a moving block 71, a cutting table 72, a guide chute 73, a guide slide block 74, a positioning rotating rod 75, a flat gear 76, a driving block 77, a swinging block 78, a guide rod 79, a rack 710, a small-sized servo motor cylinder 711, a pressure block 712, a limiting chute 713, a limiting rod 714 and a positioning block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a technical scheme that a positioning mechanism of a laser cutting machine comprises an operation table 1, wherein the upper surface of the operation table 1 is fixedly connected with a protective cover 2, the upper surface of the operation table 1 is provided with a travel groove 3, one side surface of the operation table 1 is fixedly provided with a servo motor 4, an output shaft of the servo motor 4 is fixedly provided with a screw rod 5 through a coupler, one end of the screw rod 5 penetrates through and extends to the inside of the operation table 1, the outer surface of one end of the screw rod 5 is installed with the inner wall of one side of the operation table 1, and the outer surface of the screw rod 5 is in threaded connection with a thread block 6;

The upper surface of screw thread piece 6 is provided with positioner, and positioner includes movable block 7, and the lower surface of movable block 7 and the upper surface fixed connection of screw thread piece 6.

Further, one end of the moving block 7 penetrates through the travel groove 3 and extends to the upper surface of the operation table 1, one end of the moving block 7 is fixedly connected with a cutting table 71, symmetrically distributed guide sliding grooves 72 are formed in the upper surface of the operation table 1, when a workpiece on the cutting table 71 is subjected to laser cutting, the protective cover 2 plays a role in protecting the workpiece, the servo motor 4 drives the screw rod 5 to rotate clockwise, and the screw rod 5 rotates to drive the threaded block 6 to move through cooperation of the moving block 7 and the travel groove 3.

Further, the inner wall sliding connection of guide runner 72 has guide slide 73, and the upper surface of two guide slide 73 all is connected with the lower surface fixed of cutting platform 71, and the location bull stick 74 is installed through the bearing to the interior bottom wall of cutting platform 71, and guide runner 72 and guide slide 73's use plays the effect that cooperates cutting platform 71 to carry out stable removal.

Further, flat gear 75 has been cup jointed to the fixed surface of location bull stick 74, and the one end fixedly connected with drive piece 76 of location bull stick 74, and the upper surface of drive piece 76 all articulates through the round pin axle has the swing piece 77 that is annular array and distributes, and the equal fixedly connected with guide bar 78 of both sides inner wall of cutting platform 71, and location bull stick 74 plays stable cooperation flat gear 75 and drive piece 76 and carries out the effect of locating rotation.

Further, the outer surface of the guide rod 78 is movably sleeved with a rack 79, the tooth surface of the rack 79 is meshed with the tooth surface of the flat gear 75, a small servo electric cylinder 710 is fixedly arranged on the inner wall of one side of the cutting table 71, and the guide rod 78 plays a role in guiding and limiting the movement of the rack 79.

Further, one end of the piston rod of the small-sized servo electric cylinder 710 is fixedly connected with a pressure block 711, the back surface of the pressure block 711 is fixedly connected with the front surface of the rack 79, a limiting chute 712 distributed in an annular array is formed in the upper surface of the cutting table 71, and a pressure sensor is arranged in the pressure block 711 and stops working when the extrusion force of the piston rod of the small-sized servo electric cylinder 710 to the pressure block 711 reaches a preset value, so that the small-sized servo electric cylinder 710 is suitable for positioning workpieces with different sizes.

Further, the two side inner walls of the limiting chute 712 are fixedly connected with limiting rods 713, the outer surfaces of the limiting rods 713 are movably sleeved with positioning blocks 714, the two side surfaces of the positioning blocks 714 are in sliding contact with the two side inner walls of the limiting chute 712, the lower surfaces of the positioning blocks 714 are hinged with one ends of the swinging blocks 77 through pin shafts, and the limiting chute 712 is matched with the limiting rods 713 to guide and limit movement of the positioning blocks 714.

Through this positioner, realized carrying out the location to the work piece fast and press from both sides tightly and dismantle to can not shelter from the work piece top, thereby make the simple operation, reduced the waste material that produces all around of work piece, thereby solved when fixed square work piece through the rotation of clamp plate cooperation bolt, not only complex operation still shelters from the work piece surface, increases the problem of waste material all around of work piece.

The method comprises the following steps that firstly, when the workpiece to be processed is placed above a cutting table 71, a piston rod of a small-sized servo electric cylinder 710 is started to extend, so that a pressure block 711 drives a rack 79 to move, the movement of the rack 79 drives a positioning rotating rod 74 to rotate through a meshed flat gear 75, the rotation of the positioning rotating rod 74 drives a swinging block 77 to swing in a rotating mode through a driving block 76, a positioning block 714 is driven to move through the cooperation of a limiting chute 712 and a limiting rod 713, the periphery of the workpiece is clamped and positioned through the movement of the positioning block 714, after the positioning block 714 stably clamps the workpiece, the flat gear 75 stops rotating at the moment, the rack 79 also stops moving, and a pressure sensor is arranged in the pressure block 711, so that after the extrusion force generated by the piston rod of the small-sized servo electric cylinder 710 to the pressure block reaches a preset value, the movable rod of the small-sized servo electric cylinder 710 stops moving;

Step two, after the workpiece is stably clamped and positioned, starting a servo motor 4 to drive a screw rod 5 to rotate clockwise, driving a threaded block 6 to move by the cooperation of a moving block 7 and a travel groove 3 by the rotation of the screw rod 5, driving a cutting table 71 to move, and stably moving the cutting table 71 to the inside of a protective cover 2 by the cooperation of a guide chute 72 and a guide sliding block 73 by the movement of the cutting table 71, wherein after the outer wall is cut, starting the servo motor 4 to drive the screw rod 5 to rotate anticlockwise, so that the cutting table 71 moves reversely until the outer wall is moved out of the protective cover 2;

And thirdly, starting the piston rod of the small-sized servo electric cylinder 710 to retract, driving the rack 79 to reversely move through the pressure block 711, driving the positioning rotating rod 74 to reversely rotate through the meshed flat gear 75, enabling the driving block 76 to reversely move through the cooperation of the swinging block 77 and driving the positioning block 714, and taking down the cut workpiece after the positioning block 714 is separated from the workpiece.

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

Claims

1. A positioning mechanism for a laser cutting machine, comprising an operating table (1), characterized in that: a protective cover (2) is fixedly connected to the upper surface of the operating table (1), a travel groove (3) is provided on the upper surface of the operating table (1), a servo motor (4) is fixedly mounted on one side surface of the operating table (1), a screw rod (5) is fixedly mounted on the output shaft of the servo motor (4) via a coupling, one end of the screw rod (5) penetrates and extends into the interior of the operating table (1), an outer surface of one end of the screw rod (5) is mounted on an inner wall of one side of the operating table (1), and a threaded block (6) is threadedly connected to the outer surface of the screw rod (5);

The upper surface of the threaded block (6) is provided with a positioning device, and the positioning device comprises a moving block (7), and the lower surface of the moving block (7) is fixedly connected to the upper surface of the threaded block (6).

2. A laser cutting machine positioning mechanism according to claim 1, characterized in that: one end of the moving block (7) passes through the travel groove (3) and extends to the upper surface of the operating table (1), one end of the moving block (7) is fixedly connected to the cutting table (71), and the upper surface of the operating table (1) is provided with symmetrically distributed guide grooves (72).

3. A laser cutting machine positioning mechanism according to claim 2, characterized in that: the inner wall of the guide slide groove (72) is slidably connected with a guide slider (73), the upper surfaces of the two guide sliders (73) are fixedly connected to the lower surface of the cutting table (71), and the inner bottom wall of the cutting table (71) is installed with a positioning rotating rod (74) through a bearing.

4. A laser cutting machine positioning mechanism according to claim 3, characterized in that: a flat gear (75) is fixedly sleeved on the outer surface of the positioning rotating rod (74), one end of the positioning rotating rod (74) is fixedly connected to a driving block (76), the upper surface of the driving block (76) is hinged with swing blocks (77) distributed in a ring array through pins, and the inner walls on both sides of the cutting table (71) are fixedly connected to guide rods (78).

5. A laser cutting machine positioning mechanism according to claim 4, characterized in that: a rack (79) is movably sleeved on the outer surface of the guide rod (78), the tooth surface of the rack (79) is meshed with the tooth surface of the spur gear (75), and a small servo electric cylinder (710) is fixedly installed on the inner wall of one side of the cutting table (71).

6. A laser cutting machine positioning mechanism according to claim 5, characterized in that: one end of the piston rod of the small servo electric cylinder (710) is fixedly connected to a pressure block (711), the back side of the pressure block (711) is fixedly connected to the front side of the rack (79), and the upper surface of the cutting table (71) is provided with limiting slide grooves (712) distributed in a ring array.

7. A laser cutting machine positioning mechanism according to claim 6, characterized in that: the inner walls on both sides of the limiting slide groove (712) are fixedly connected to the limiting rod (713), the outer surface of the limiting rod (713) is movably sleeved with a positioning block (714), the two side surfaces of the positioning block (714) are in sliding contact with the inner walls on both sides of the limiting slide groove (712), and the lower surface of the positioning block (714) is hinged to one end of the swing block (77) through a pin shaft.