CN111975194A

CN111975194A - Plate-shaped metal laser processing device

Info

Publication number: CN111975194A
Application number: CN202010702505.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Gao Guan
Current assignee: Gao Guan
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-11-24

Abstract

The invention discloses a plate-shaped metal laser processing device which comprises a base, wherein supporting legs and a sewage collection groove are arranged at the left end and the right end of the front side and the rear side of the bottom end of the base and at the middle position of the front side and the rear side of the bottom end of the base along the vertical direction, the sewage collection groove is spliced with the left end of the front side of the base along the front direction and the rear direction, a conveying mechanism is arranged on the upper surface of the base, a moving mechanism is arranged on the right side of the upper surface of the base, and a cutting mechanism is arranged at the middle position of the moving mechanism along the. This plate metal laser beam machining device can make the device can remove the sheet metal that length is big to the realization can carry out the purpose of continuous processing for the production progress, greatly reduced the wearing and tearing of gear and rack, improved transmission efficiency, can make the processing work faster, make the device can process the work piece that the processing requires the precision to be high.

Description

Plate-shaped metal laser processing device

Technical Field

The invention relates to the technical field of metal laser processing, in particular to a platy metal laser processing device.

Background

The laser processing is that the energy of light reaches very high energy density on the focus after being focused by a lens, the processing is carried out by the photo-thermal effect, the laser processing does not need tools, has high processing speed and small surface deformation, various materials can be processed, the materials are processed by laser beams, such as punching, cutting, scribing, welding, heat treatment and the like, and certain substances with metastable state energy level can absorb the light energy under the excitation of external photons, so that the number of atoms at high energy level is larger than that of atoms at low energy level, namely the number of particles is reversed, if one beam irradiates, the energy of the photons is equal to the corresponding difference of the two energies, at the moment, the stimulated radiation can be generated, and a large amount of light energy can be output;

when the metal laser processing equipment is used for processing the metal plate, because the workbench can not convey the plate-shaped metal processing material, the metal laser processing equipment is difficult to move the metal plate with large length, thereby being difficult to carry out continuous processing and reducing the production progress, in addition, when the metal laser processing equipment is processed, the direction of the laser processing device needs to be controlled and simultaneously the cutting work is carried out, the traditional control method adopts a motor to connect a gear to directly slide along a rack so as to control the direction of the laser processing, so that although the laser processing device can be quickly moved to a designated position, the processing time is saved, but the motor directly drives the gear to reciprocate along the rack, so that the gear and the rack are greatly abraded, the load on the motor is also high, and such a moving method makes it difficult for the laser processing equipment to process a workpiece requiring high precision.

Disclosure of Invention

The invention aims to provide a plate-shaped metal laser processing device, which at least solves the problems that the movement of a metal plate with large length is difficult, the processing is discontinuous and the processed workpiece precision is low in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a plate-shaped metal laser processing device comprises a base, wherein supporting legs and a sewage collecting groove are arranged at the left end and the right end of the front side and the rear side of the bottom end of the base and at the middle position of the front side and the middle position of the base along the up-down direction;

the conveying mechanism includes:

the bracket is arranged in the inner cavity of the upper surface of the base, a double-shaft motor is arranged in the inner cavity of the left side of the bracket, the output ends of the front side and the rear side of a double-shaft motor in the bracket are connected with the front side and the rear side of the inner cavity of the upper surface of the base through bearings, the three crankshafts are respectively arranged at the left side and the right side of the bracket and at the middle position along the front-rear direction, the front side and the rear side of the outer wall of the crankshaft are connected with the inner side of the bracket through bearings, four belt pulleys are arranged, every two of the four belt pulleys form a group, two groups of the belt pulleys are respectively connected with the left ends of the front side and the rear side of the bracket, the four belt pulleys are respectively connected with a double-shaft motor in the bracket and the front end and the rear end of the crankshaft through keys, and the two groups of belt pulleys are connected through a belt, the supporting plates are connected with the three crankshafts through bearings respectively along the left and right directions.

Preferably, moving mechanism includes the slide, two both sides top around the base is seted up respectively to the slide along left right direction, motor, two the motor sets up both sides around the left side top of base respectively, and the motor is located the left side of slide, lead screw, two the lead screw is located the inner chamber of two slides along left right direction respectively, and both ends pass through the bearing with the output key-type connection of motor and the inner chamber right side of slide respectively about the outer wall of lead screw and are connected, slider, two the slider is pegged graft with the inner chamber right side of two slides respectively.

Preferably, the cutting mechanism comprises a support frame, the front side and the rear side of the bottom end of the support frame are respectively connected with two slide blocks through screws, guide rails are arranged on the upper side and the lower side of the support frame along the front-rear direction, the two guide rails are arranged on the upper side and the lower side of the support frame along the front-rear direction, the shell is inserted into the inner cavity of the support frame along the upper-lower direction, the inner cavity of the shell is sleeved with the two guide rails, the bottom end of the shell is provided with a laser processing device and a limiting block, the limiting block is positioned between the two guide rails and inserted into the inner cavity of the shell, the first motor is arranged on the left side of the inner cavity of the shell along the upper-lower direction, the upper end and the lower end of the outer wall of the first motor extend out of the upper surface and the lower surface of the shell, the two, the first gears are four in number, four first gears are in a group in pairs, two groups of the first gears are respectively connected with the outer sides of the two guide sliding blocks through bearings, the two adjacent first gears are in meshed connection, the upper end and the lower end of the outer wall of the first motor are respectively in key connection with the first gears at corresponding positions, the second motor is arranged on the right side of the bottom end of the inner cavity of the shell along the vertical direction, the second gears are respectively in key connection with the outer wall of the output end of the second motor, the front ends and the rear ends of the outer wall of the two worm gears are respectively connected with the front side and the rear side of the inner cavity of the limiting block through bearings, the two worm gears are respectively positioned on the left side and the right side of the inner cavity of the limiting block and are respectively in meshed connection with the left side and the right side of the inner cavity of the shell, and the upper ends and the lower ends of the outer wall of the two worm gears are respectively connected, the two worms are respectively positioned on the left side and the right side of the inner cavity of the limiting block and are in meshed connection with worm gears, the two third gears are respectively in keyed connection with the top ends of the outer walls of the two worms, and the third gears are connected with the second gears through chains.

Preferably, the bottom end of the inner cavity of the base is provided with an inclined plane, and the left side of the inclined plane is positioned above the sewage collecting groove.

Preferably, the supporting plates are all located on the same horizontal plane, and triangular supporting blocks are arranged at the top ends of the supporting plates at intervals in the left-right direction.

Preferably, the inner cavity of the slide way is T-shaped, and the slide way is in adaptive insertion connection with the slide block.

Preferably, the first motor is located on the rear side of the inner cavity of the limiting block, and the second motor is located on the front side of the inner cavity of the limiting block.

Preferably, the grooves on the left side and the right side of the inner cavity of the shell are respectively matched and inserted with the left side and the right side of the outer wall of the limiting block.

The invention provides a laser processing device for platy metal, which has the beneficial effects that:

the invention drives the belt pulley to rotate by the built-in double-shaft motor in the conveying mechanism, so that the crankshaft drives the supporting plate to alternately reciprocate in one direction, thereby the supporting plate moves the metal plate, the difficulty in processing the metal plate is avoided, the motor in the moving mechanism drives the lead screw to drive the slide block to move along the inner cavity of the slide way, so that the slide block drives the supporting frame to stably move, the moving distance can be accurately controlled, the processing precision is ensured, the first motor in the cutting mechanism drives the two first gears to rotate along the inner cavity of the guide rail and the guide slide block to guide, so that the movement of the laser processing device is faster and more stable, the workpiece abrasion is reduced, the working effect is better, the second motor drives the second gear to drive the third gear to drive the worm gear to rotate, thereby the shell is driven to stably move up and down along the limiting block, the height adjustment of the laser processing device is more accurate, and the self-locking effect is achieved through the matching of the worm wheel and the worm, so that the laser processing device is prevented from shaking during laser processing;

the device can move the metal plate with large length, thereby realizing the purpose of continuous processing, accelerating the production progress, greatly reducing the abrasion of the gear and the rack, improving the transmission efficiency, enabling the processing work to be quicker and enabling the device to process the workpiece with high processing requirement precision.

Drawings

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

FIG. 2 is a front sectional view of the moving mechanism of FIG. 1;

FIG. 3 is a front view of the conveyor of FIG. 1;

FIG. 4 is a front view of the crankshaft of FIG. 2;

FIG. 5 is a front sectional view of the structure of FIG. 1;

fig. 6 is an enlarged view of a structure in fig. 5.

In the figure: 1. the device comprises a base, 2, a sewage collecting groove, 3, a conveying mechanism, 4, a moving mechanism, 5, a cutting mechanism, 31, a support, 32, a belt pulley, 33, a crankshaft, 34, a supporting plate, 41, a slide way, 42, a motor, 43, a lead screw, 44, a sliding block, 501, a supporting frame, 502, a shell, 503, a guide rail, 504, a limiting block, 505, a first motor, 506, a first gear, 507, a second motor, 508, a second gear, 509, a guide sliding block, 510, a worm gear, 511, a worm, 512 and a third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1-6, the present invention provides a technical solution: a plate-shaped metal laser processing device comprises a base 1, a dirt collecting groove 2, a conveying mechanism 3, a moving mechanism 4 and a cutting mechanism 5, wherein supporting legs are arranged at the left end and the right end of the front side and the rear side of the bottom end of the base 1 and at the middle position of the front side and the rear side of the bottom end of the base along the up-down direction;

the conveying mechanism 3 comprises a support 31, belt pulleys 32, crankshafts 33 and a supporting plate 34, the support 31 is arranged in the inner cavity of the upper surface of the base 1, a double-shaft motor is arranged in the inner cavity of the left side of the support 31, the double-shaft motor is a low-rotating-speed commonly-used component outside the market, the output ends of the front side and the rear side of the double-shaft motor in the support 31 are connected with the front side and the rear side of the inner cavity of the upper surface of the base 1 through bearings, the support 31 can be turned leftwards when a person cleans the inner cavity of the base 1 and the supporting plate 34 through the double-shaft motor on the support 31, the cleaning work is more convenient, the three crankshafts 33 are respectively arranged at the left side and the middle position of the support 31 along the front-back direction, the front side and the rear side of the outer wall of each crankshaft 33 are connected with the inner side of the support 31 through bearings, the four belt pulleys 32 are respectively connected with the front end and the rear end of the double-shaft motor and the crankshaft 33 in the bracket 31 in a key mode, the two groups of belt pulleys 32 are connected through a belt, the plurality of supporting plates 34 are respectively connected with the three crankshafts 33 through bearings in the left-right direction, and the plurality of supporting plates 34 are divided into two groups to alternately reciprocate in the same direction through the rotation of the crankshafts 33.

As a preferred scheme, furthermore, the moving mechanism 4 includes slide ways 41, motors 42, lead screws 43 and sliders 44, two slide ways 41 are respectively provided at the top ends of the front and rear sides of the base 1 along the left-right direction, two motors 42 are respectively provided at the front and rear sides of the top end of the left side of the base 1, and the motors 42 are located at the left side of the slide ways 41, two lead screws 43 are respectively located in the inner cavities of the two slide ways 41 along the left-right direction, and the left and right ends of the outer wall of the lead screws 43 are respectively connected with the output end key of the motors 42 and the right sides of the inner cavities of the slide ways 41 through bearings, two sliders 44 are respectively inserted into the right sides of the inner cavities of the two.

Preferably, the cutting mechanism 5 includes a support frame 501, a housing 502, a guide rail 503, a limiting block 504, a first motor 505, a first gear 506, a second motor 507, a second gear 508, a guide slider 509, a worm wheel 510, a worm 511 and a third gear 512, wherein the front and rear sides of the bottom end of the support frame 501 are respectively connected with the two sliders 44 by screws, the two guide rails 503 are respectively arranged on the upper and lower sides of the support frame 501 along the front and rear direction, the inner cavity of the guide rail 503 is divided into an upper layer and a lower layer, the left and right sides of the inner cavity of the upper layer are provided with racks so as to enable the two first gears 506 to rotate along the inner cavity of the guide rail 503, the housing 502 is inserted into the inner cavity of the support frame 501 along the up and down direction, the inner cavity of the housing 502 is respectively inserted into the two guide rails 503, the bottom end of the housing 502 is provided, the first motor 505 is installed on the left side of the inner cavity of the housing 502 along the up-down direction, the first motor 505 and the second motor 507 should adopt stepper motors capable of accurately controlling the rotation speed and the rotation direction, the upper and lower ends of the outer wall of the first motor 505 extend out of the upper and lower surfaces of the housing 502, the two guide sliders 509 are respectively inserted into the inner cavities of the two guide rails 503, the upper and lower ends of the outer wall of the first motor 505 are respectively connected with the two guide sliders 509 through bearings, the number of the first gears 506 is four, the four first gears 506 are grouped in pairs, the two groups of the first gears 506 are respectively connected with the outer sides of the two guide sliders 509 through bearings, the two adjacent first gears 506 are connected in a meshing manner, the upper and lower ends of the outer wall of the first motor 505 are respectively connected with the first gears 506 at the corresponding positions, the second motor 507 is installed on the right side of the bottom end of the inner cavity of the housing, the two second gears 508 are all in key connection with the outer wall of the output end of the second motor 507, the front end and the rear end of the outer wall of the two worm gears 510 are respectively connected with the front side and the rear side of the inner cavity of the limiting block 504 through bearings, the two worm gears 510 are respectively located on the left side and the right side of the inner cavity of the limiting block 504, the two worm gears 510 are respectively in meshed connection with the left side and the right side of the inner cavity of the shell 502, the upper end and the lower end of the outer wall of the two worm rods 511 are respectively connected with the upper side and the lower side of the inner cavity of the limiting block 504 through bearings, the two worms 511 are respectively located on the left side and the right side of the inner cavity of the limiting block 504, the worm 511 is in meshed.

As a preferred scheme, furthermore, the bottom end of the inner cavity of the base 1 is provided with an inclined plane, and the left side of the inclined plane is located above the sewage collecting groove 2, so that the processed fallen waste can enter the sewage collecting groove 2 along the inclined plane at the bottom end of the inner cavity of the base 1.

As a preferred scheme, furthermore, a plurality of supporting plates 34 are all located at the same horizontal plane, and triangular supporting blocks are arranged at the top ends of the supporting plates 34 along the left-right direction at intervals, so that damage to the workbench caused by laser penetrating through a processing material is reduced, and a heat dissipation effect is increased.

Preferably, the inner cavity of the slide rail 41 is T-shaped, and the slide rail 41 is inserted into the slide block 44 in a matching manner, so that the slide block 44 can move left and right stably along the slide rail 41, and the shaking of the support frame 501 is reduced.

Preferably, the first motor 505 is located at the rear side of the inner cavity of the stopper 504, the second motor 507 is located at the front side of the inner cavity of the stopper 504, and the first motor 505 and the second motor 507 are respectively located at the front and rear positions inside the stopper 504, so that the first motor 505 and the second motor 507 are prevented from interfering with each other during operation to influence normal operation.

Preferably, the grooves on the left and right sides of the inner cavity of the housing 502 are respectively inserted into the left and right sides of the outer wall of the limit block 504, and the position of the limit block 504 is fixed by inserting the limit block 504 into the guide rail 503 through the guide slider 509, so that the worm wheel 510 can drive the housing 502 to stably move up and down along the limit block 504.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

The method comprises the following steps: before preparation for processing, processing materials are placed on a supporting plate 34, the supporting plate 34 is used for bearing the processing materials, a belt pulley 32 is driven by a double-shaft motor to drive a crankshaft 33 to rotate, the crankshaft 33 simultaneously drives two groups of supporting plates 34 to alternately move up and down in a reciprocating manner to achieve a movement trend towards the left or the right, and therefore the supporting plate 34 is used for conveying the processing materials towards the left or the right by controlling the rotation direction of the crankshaft 33;

step two: during processing, the motor 42 is controlled to drive the screw 43 to rotate according to the processing position, the slide block 44 is driven by the screw 43 to drive the support frame 501 to move left and right along the slide rail 41, so that the position of the laser processing device and the initial processing position are in the same straight line, and the distance of moving left and right during processing is also controlled;

step three: when a machining material is machined, the first motor 505 is controlled to rotate, the first motor 505 drives the first gear 506 to rotate, the first gear 506 rotates along the guide rail 503, so that the first gear 506 drives the limit block 504 and the shell 502 to move back and forth along the guide rail, the machining distance is precisely controlled, the second motor 507 controls the second motor 507 to rotate simultaneously by controlling the second motor 507 to rotate, the second gear 508 drives the third gear 512 to rotate the worm 511, the worm wheel 410 is driven to rotate along the shell 502 by the rotation of the worm 511, and the worm wheel 410 drives the shell 502 to move up and down along the limit block 504 due to the fixed position of the worm wheel 410, so that the height of the laser machining device is adjusted.

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. A laser machining apparatus for a plate-like metal, comprising:

the device comprises a base (1), wherein supporting legs are arranged at the left end and the right end of the front side and the rear side of the bottom end of the base (1) and at the middle position of the front side and the rear side along the vertical direction;

the sewage collecting tank (2) is spliced with the left end of the front side of the base (1) along the front-back direction;

the conveying mechanism (3), the conveying mechanism (3) is arranged on the upper surface of the base (1);

the moving mechanism (4), the moving mechanism (4) is arranged on the right side of the upper surface of the base (1);

the cutting mechanism (5) is arranged in the middle of the moving mechanism (4) along the vertical direction;

the conveying mechanism (3) comprises:

the support (31) is mounted in the inner cavity of the upper surface of the base (1), and a double-shaft motor is arranged in the inner cavity of the left side of the support (31);

the three crankshafts (33) are respectively arranged at the left side, the right side and the middle position of the bracket (31) along the front-back direction, and the front side and the back side of the outer wall of each crankshaft (33) are connected with the inner side of the bracket (31) through bearings;

the belt pulley (32) is provided with four belt pulleys (32), every two of the four belt pulleys (32) form a group, two groups of the belt pulleys (32) are respectively connected with the left ends of the front side and the rear side of the support (31), the four belt pulleys (32) are respectively connected with the front end and the rear end of a double-shaft motor and a crankshaft (33) in the support (31) in a key mode, and the two groups of the belt pulleys (32) are connected through belts;

and the supporting plates (34), a plurality of which are connected with the three crankshafts (33) through bearings respectively along the left and right directions.

2. A laser processing apparatus for sheet metal according to claim 1, wherein: the moving mechanism (4) includes:

the two slide ways (41) are respectively arranged at the top ends of the front side and the rear side of the base (1) along the left-right direction;

the two motors (42) are respectively arranged on the front side and the rear side of the top end of the left side of the base (1), and the motors (42) are positioned on the left side of the slide rail (41);

the two lead screws (43) are respectively positioned in the inner cavities of the two slide ways (41) along the left-right direction, and the left end and the right end of the outer wall of each lead screw (43) are respectively connected with the output end key of the motor (42) and the right side of the inner cavity of each slide way (41) through bearings;

and the two sliding blocks (44) are respectively inserted into the right sides of the inner cavities of the two sliding ways (41).

3. A laser processing apparatus for sheet metal according to claim 1, wherein: the cutting mechanism (5) comprises:

the front side and the rear side of the bottom end of the support frame (501) are respectively in screw connection with the two sliding blocks (44);

the two guide rails (503) are arranged on the upper side and the lower side of the support frame (501) along the front-back direction;

the device comprises a shell (502), wherein the shell (502) is inserted into an inner cavity of a support frame (501) along the up-down direction, the inner cavity of the shell (502) is sleeved with two guide rails (503), and a laser processing device is arranged at the bottom end of the shell (502);

the limiting block (504) is positioned between the two guide rails (503) and is inserted into the inner cavity of the shell (502);

the first motor (505) is installed on the left side of the inner cavity of the shell (502) along the vertical direction, and the upper end and the lower end of the outer wall of the first motor (505) extend out of the upper surface and the lower surface of the shell (502);

the two guide sliding blocks (509) are respectively inserted into the inner cavities of the two guide rails (503), and the upper end and the lower end of the outer wall of the first motor (505) are respectively connected with the two guide sliding blocks (509) through bearings;

the number of the first gears (506) is four, four first gears (506) are grouped in pairs, two groups of the first gears (506) are respectively connected with the outer sides of the two guide sliding blocks (509) through bearings, the two adjacent first gears (506) are meshed and connected, and the upper end and the lower end of the outer wall of the first motor (505) are respectively connected with the first gears (506) at the corresponding positions;

the second motor (507), the said second motor (507) is installed on the right side of bottom end of cavity of the body (1) along the upper and lower direction;

the two second gears (508) are connected with the outer wall key of the output end of the second motor (507);

the front end and the rear end of the outer wall of each worm wheel (510) are respectively connected with the front side and the rear side of the inner cavity of the limiting block (504) through bearings, the two worm wheels (510) are respectively positioned on the left side and the right side of the inner cavity of the limiting block (504), and the two worm wheels (510) are respectively meshed and connected with the left side and the right side of the inner cavity of the shell (502);

the upper end and the lower end of the outer wall of each of the two worms (511) are respectively connected with the upper side and the lower side of the inner cavity of the limiting block (504) through bearings, the two worms (511) are respectively positioned on the left side and the right side of the inner cavity of the limiting block (504), and the worms (511) are meshed with the worm wheel (510);

and the two third gears (512) are respectively in key connection with the top ends of the outer walls of the two worms (511), and the third gears (512) are connected with the second gear (508) through chains.

4. A laser processing apparatus for sheet metal according to claim 1, wherein: the bottom end of the inner cavity of the base (1) is provided with an inclined plane, and the left side of the inclined plane is positioned above the sewage collecting groove (2).

5. A laser processing apparatus for sheet metal according to claim 1, wherein: the supporting plates (34) are all located on the same horizontal plane, and triangular supporting blocks are arranged at the top ends of the supporting plates (34) in a left-right direction at intervals.

6. A laser processing apparatus for sheet metal according to claim 2, wherein: the inner cavity of the slide way (41) is T-shaped, and the slide way (41) is in adaptive insertion connection with the slide block (44).

7. A laser processing apparatus for sheet metal according to claim 3, wherein: the first motor (505) is positioned at the rear side of the inner cavity of the limiting block (504), and the second motor (507) is positioned at the front side of the inner cavity of the limiting block (504).

8. A laser processing apparatus for sheet metal according to claim 3, wherein: the grooves on the left side and the right side of the inner cavity of the shell (502) are respectively matched and inserted with the left side and the right side of the outer wall of the limiting block (504).