CN113843534A

CN113843534A - High-precision laser cutting mechanism

Info

Publication number: CN113843534A
Application number: CN202111459834.5A
Authority: CN
Inventors: 刘玉英
Original assignee: Xuzhou Zhongmine Compson Communication Technology Co ltd
Current assignee: Xuzhou Zhongmine Compson Communication Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2021-12-28

Abstract

The invention relates to the technical field of laser cutting, and discloses a high-precision laser cutting mechanism which comprises a base, a cutting table and a laser cutter, wherein the cutting table is fixedly arranged on the upper surface of the base, L-shaped plates are symmetrically arranged on two sides of the cutting table, sliding blocks are respectively and fixedly arranged on the horizontal part and the vertical part of each L-shaped plate, sliding grooves symmetrical to the sliding blocks are respectively formed in the upper surface and the side wall of the cutting table, the sliding blocks are in sliding connection with the sliding grooves, hydraulic rods are respectively and fixedly arranged at the top ends of the two L-shaped plates, the top ends of the two hydraulic rods are jointly and fixedly connected with a U-shaped cross beam, and a matched sliding sleeve is sleeved on the U-shaped cross beam in a sliding manner. This high accuracy laser cutting mechanism not only conveniently carries out horizontal and vertical laser cutting to the panel of different thickness, can carry out the automatic location that compresses tightly to panel moreover in cutting process, avoids cutting process in panel to take place the skew to effectively guarantee cutting accuracy.

Description

High-precision laser cutting mechanism

Technical Field

The invention relates to the technical field of laser cutting, in particular to a high-precision laser cutting mechanism.

Background

The laser cutting is to irradiate the material to be cut with high-power-density laser beam, so that the material is heated to vaporization temperature quickly and evaporated to form holes, and the holes continuously form slits with narrow width along with the movement of the material by the light beam to complete the cutting of the material. The laser beam irradiates the surface of the workpiece to make the workpiece reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. And finally, the material is cut along with the movement of the relative position of the light beam and the workpiece, so that the cutting purpose is achieved.

However, the existing laser cutting machine cannot effectively limit the plate placed on the cutting table in the cutting process, so that the plate can be deviated when being cut, and the precision of laser cutting is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a high-precision laser cutting mechanism which has the advantages of automatic positioning and high cutting precision, and solves the problem that the cutting precision is influenced because a laser cutting machine cannot effectively position a plate in the cutting process in the prior art.

(II) technical scheme

In order to achieve the purposes of automatic positioning and high cutting precision, the invention provides the following technical scheme: a high-precision laser cutting mechanism comprises a base, a cutting table and a laser cutter, wherein the cutting table is fixedly arranged on the upper surface of the base, L-shaped plates are symmetrically arranged on two sides of the cutting table, sliding blocks are respectively and fixedly arranged on the horizontal part and the vertical part of each L-shaped plate, sliding grooves symmetrical to the sliding blocks are respectively formed in the upper surface and the side wall of the cutting table, the sliding blocks are in sliding connection with the sliding grooves, hydraulic rods are respectively and fixedly arranged at the top ends of the two L-shaped plates, the top ends of the two hydraulic rods are jointly and fixedly connected with a U-shaped cross beam, a matched sliding sleeve is sleeved on the U-shaped cross beam in a sliding mode, a first positioning assembly and a second positioning assembly which are identical in structure are respectively arranged on the L-shaped plates and the sliding sleeve, a rotating pin is rotatably connected at the center of the bottom of the sliding sleeve through a bearing, a rotating frame is fixedly connected with the bottom end of the rotating pin, and a positioning mechanism is arranged on the rotating frame, the laser cutter is fixedly arranged at the center of the bottom of the square-frame;

positioning mechanism includes that two slip cup joint the uide bushing on returning the type frame, fixedly connected with L type pole on the lateral wall of uide bushing, and the bottom fixedly connected with positioning disk of L type pole, the first ball of a plurality of is installed in the bottom roll of positioning disk, it has cup jointed the horizontal pole to return to slide on the type frame, fixedly connected with spring between uide bushing and the horizontal pole, the last surface symmetry fixedly connected with montant of horizontal pole, two the montant runs through the top of returning the type frame and is connected with the clamping ring jointly, montant and returning type frame top sliding connection, the clamping ring cup joints with the commentaries on classics round pin activity.

Preferably, first positioning component is including seting up the recess in the vertical portion of L template, and the recess is close to the cutting bed setting, sliding connection has the locating plate of matching in the recess, one side that the locating plate is close to the recess tank bottom is rotated through the bearing frame and is connected with the threaded rod, the tank bottom and the outside extension of recess are run through to the tip of threaded rod, and the tank bottom threaded connection of threaded rod and recess.

Preferably, the upper surface of the cutting table is fixedly embedded with a friction pad, and the upper surface of the friction pad is flush with the upper surface of the cutting table.

Preferably, a ball groove is formed in one side, close to the bottom of the sliding groove, of the sliding block, a matched second ball is installed in the ball groove, and one end, far away from the bottom of the ball groove, of the second ball penetrates through a groove opening of the ball groove and extends outwards and is in rolling connection with the bottom of the sliding groove.

Preferably, a wear-resistant sleeve matched with the swage block is fixedly arranged in the guide sleeve.

Preferably, one side of the pressing ring, which is far away from the vertical rod, is fixedly embedded with a silica gel gasket of an annular structure.

Preferably, the inner section and the outer section of the sliding sleeve are both in a rectangular structure, and the top of the sliding sleeve is fixedly provided with a U-shaped push handle.

Preferably, one end, far away from the locating plate, of the threaded rod is fixedly provided with a rotating handle, and one side, far away from the threaded rod, of the locating plate is fixedly provided with a matched anti-slip pad.

(III) advantageous effects

Compared with the prior art, the invention provides a high-precision laser cutting mechanism, which has the following beneficial effects:

1. this high accuracy laser cutting mechanism, through setting up the cutting bed, laser cutting ware, the L template, the slider, the spout, the hydraulic stem, U type crossbeam, the sliding sleeve, the commentaries on classics round pin, circle type frame and positioning mechanism, the sliding sleeve conveniently drives laser cutting ware and carries out transverse cutting, the slider cooperation spout makes things convenient for the L template to carry out longitudinal movement, thereby be convenient for drive laser cutting ware and carry out longitudinal cutting, the hydraulic stem conveniently drives U type crossbeam and goes up and down, it compresses tightly the location to conveniently cut panel through positioning mechanism to waiting on the cutting bed, avoid cutting in-process panel to take place the skew, thereby effectively guarantee cutting accuracy, commentaries on classics round pin cooperation positioning mechanism is convenient for control circle type frame as required and rotates, thereby be convenient for adapt to transverse cutting and longitudinal cutting.

2. This high accuracy laser cutting mechanism, through setting up the L template, the sliding sleeve, a groove, locating plate and threaded rod, the threaded rod conveniently controls the locating plate and moves along the recess, when the locating plate supports tightly with the cutting bed lateral wall, be convenient for lock the position of L template, take place longitudinal displacement when avoiding horizontal cutting, when the locating plate supports tightly with the top of U type crossbeam, be convenient for lock the position of sliding sleeve, take place transverse displacement when avoiding vertical cutting, thereby effectively guarantee the stability of cutting.

Drawings

FIG. 1 is a schematic structural diagram of a high-precision laser cutting mechanism according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a connecting part of a pressure ring and a silica gel gasket of the high-precision laser cutting mechanism provided by the invention;

fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a base 1, a cutting table 2, a laser cutter 3, a 4L-shaped plate, a slide block 5, a hydraulic rod 6, a 7U-shaped beam, a 8 sliding sleeve, a 9 rotating pin, a 10-turn-shaped frame, a 11 guide sleeve, a 12L-shaped rod, a 13 positioning disc, a 14 first ball, a 15 cross rod, a 16 spring, a 17 vertical rod, an 18 pressing ring, a 19 groove, a 20 positioning plate, a 21 threaded rod, a 22 friction pad, a 23 second ball, a 24 silica gel gasket, a 25U-shaped push handle and a 26 rotating handle.

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.

Please embodiment 1 as shown in fig. 1-4, a high precision laser cutting mechanism includes a base 1, a cutting table 2 and a laser cutter 3, the cutting table 2 is fixedly mounted on the upper surface of the base 1, a friction pad 22 is fixedly embedded on the upper surface of the cutting table 2, and the upper surface of the friction pad 22 is flush with the upper surface of the cutting table 2, so as to increase friction force and ensure the stability of the board to be cut, L-shaped plates 4 are symmetrically disposed on two sides of the cutting table 2, sliders 5 are respectively and fixedly mounted on the horizontal portion and the vertical portion of the L-shaped plates 4, sliding grooves symmetrical to the sliders 5 are respectively disposed on the upper surface and the side walls of the cutting table 2, the sliders 5 are slidably connected to the sliding grooves, ball grooves are disposed on one side of the sliders 5 near the bottom of the sliding grooves, and are mounted with matched second balls 23, one end of the second balls 23 far away from the bottom of the ball grooves penetrates through the grooves of the ball grooves and extends outwards, and is connected with the bottom of the sliding groove in a rolling way, so that the friction force between the sliding block 5 and the sliding groove is reduced, the L-shaped plates 4 are convenient to move, the hydraulic rods 6 are respectively and fixedly arranged at the top ends of the two L-shaped plates 4, and the top ends of the two hydraulic rods 6 are fixedly connected with a U-shaped beam 7 together, a matched sliding sleeve 8 is sleeved on the U-shaped beam 7 in a sliding manner, the inner section and the outer section of the sliding sleeve 8 are both arranged in a rectangular structure, and the top of the sliding sleeve 8 is fixedly provided with a U-shaped push handle 25 which is convenient for pushing the sliding sleeve 8 to move transversely, the L-shaped plate 4 and the sliding sleeve 8 are respectively provided with a first positioning component and a second positioning component which have the same structure, the center of the bottom of the sliding sleeve 8 is rotatably connected with a rotating pin 9 through a bearing, the bottom end of the rotating pin 9 is fixedly connected with a back-shaped frame 10, a positioning mechanism is arranged on the back-shaped frame 10, and the laser cutter 3 is fixedly arranged at the center of the bottom of the back-shaped frame 10;

the positioning mechanism comprises two guide sleeves 11 which are sleeved on the return frame 10 in a sliding manner, wear-resistant sleeves which are matched with the return frame 10 are fixedly arranged in the guide sleeves 11, abrasion of sliding joints is avoided, L-shaped rods 12 are fixedly connected to the side walls of the guide sleeves 11, positioning discs 13 are fixedly connected to the bottom ends of the L-shaped rods 12, a plurality of first balls 14 are arranged at the bottoms of the positioning discs 13 in a rolling manner, cross rods 15 are sleeved on the return frame 10 in a sliding manner, springs 16 are fixedly connected between the guide sleeves 11 and the cross rods 15, vertical rods 17 are symmetrically and fixedly connected to the upper surfaces of the cross rods 15, the two vertical rods 17 penetrate through the top of the return frame 10 and are commonly connected with a pressing ring 18, the pressing ring 17 is connected with the top of the return frame 10 in a sliding manner, the pressing ring 18 is movably sleeved with a rotating pin 9, a silica gel gasket 24 with an annular structure is fixedly embedded on one side, away from the vertical rods 17, and the friction force generated when the pressing ring 18 is tightly abutted against the bottoms of the sliding sleeve 8 is improved, the rotary pin 9 can not rotate in the cutting process, the plate to be cut is arranged on the cutting table 2, the sliding sleeve 8 can transversely move along the U-shaped cross beam 7, the L-shaped plate 4 can drive the sliding block 5 to longitudinally move along the sliding groove, so that the position of the laser cutter 3 can be conveniently adjusted as required, when transverse cutting is required, the shaping frame 10 connected with the rotary pin 9 is rotated, two positioning discs 13 are positioned at the front and back positions of the laser cutter 3, the hydraulic rod 6 is started to drive the U-shaped cross beam 7 to move downwards, the positioning discs 13 can be in surface contact with the plate, the U-shaped cross beam 7 continues to descend, the guide sleeve 11 and the shaping frame 10 slide relatively, so as to compress the spring 16, meanwhile, the transverse rod 15 drives the compression ring 18 connected with the vertical rod 17 to be abutted against the bottom of the sliding sleeve 8, the tension generated by the spring 16 respectively acts on the positioning discs 13 and the compression ring 18, so that the positioning discs 13 can automatically compress and position the plate, avoid cutting process in panel to take place the skew, thereby guarantee cutting accuracy, the clamping ring 18 compresses tightly 8 bottoms of sliding sleeve and can increase frictional force, it can not take place to rotate to guarantee cutting process in commentaries on classics round pin 9, guarantee the stability of cutting, first ball 14 makes things convenient for positioning disk 13 along panel surface motion, thereby be convenient for remove the cutting, hydraulic stem 6 drives U type crossbeam 7 upward movement, make spring 16 take place to reset, it makes two positioning disks 13 be located laser cutter 3's left and right sides position to rotate back type frame 10, repeated above-mentioned operation can carry out vertical cutting.

Embodiment 2 as shown in fig. 1 and 4, the first positioning assembly includes a groove 19 formed on the vertical portion of the L-shaped plate 4, the groove 19 is disposed near the cutting table 2, a matching positioning plate 20 is slidably connected in the groove 19, one side of the positioning plate 20 near the bottom of the groove 19 is rotatably connected with a threaded rod 21 through a bearing seat, the end of the threaded rod 21 penetrates through the bottom of the groove 19 and extends outwards, the threaded rod 21 is in threaded connection with the bottom of the groove 19, a rotating handle 26 is fixedly mounted at one end of the threaded rod 21 away from the positioning plate 20 to facilitate the control of the rotation of the threaded rod 21, a matching anti-slip pad is fixedly mounted at one side of the positioning plate 20 away from the threaded rod 21 to improve the stability of the positioning plate 20 in compression positioning, the threaded rod 21 facilitates the control of the positioning plate 20 to move along the groove 19, when the positioning plate 20 abuts against the side wall of the cutting table 2, the positioning plate 4 is locked, longitudinal displacement is generated during transverse cutting, when the positioning plate 20 is tightly abutted to the top of the U-shaped cross beam 7, the position of the sliding sleeve 8 is conveniently locked, transverse displacement is generated during longitudinal cutting, and therefore cutting stability is effectively guaranteed.

In conclusion, the high-precision laser cutting mechanism arranges the plate to be cut on the cutting table 2, the sliding sleeve 8 can move transversely along the U-shaped beam 7, the L-shaped plate 4 can drive the sliding block 5 to move longitudinally along the sliding groove, so that the position of the laser cutter 3 can be conveniently adjusted as required, when the transverse cutting is required, the shaping frame 10 connected with the rotating pin 9 is rotated, two positioning discs 13 are positioned at the front and back positions of the laser cutter 3, the hydraulic rod 6 is started to drive the U-shaped beam 7 to move downwards, the positioning discs 13 can be in surface contact with the plate, as the U-shaped beam 7 continues to descend, the guide sleeve 11 and the shaping frame 10 slide relatively, so as to compress the spring 16, meanwhile, the transverse rod 15 drives the pressing ring 18 connected with the vertical rod 17 to abut against the bottom of the sliding sleeve 8, and the tension generated by the spring 16 respectively acts on the positioning discs 13 and the pressing ring 18, so that the positioning discs 13 can automatically compress and position the plate, avoid cutting process in panel to take place the skew, thereby guarantee cutting accuracy, the clamping ring 18 compresses tightly 8 bottoms of sliding sleeve and can increase frictional force, it can not take place to rotate to guarantee cutting process in commentaries on classics round pin 9, guarantee the stability of cutting, first ball 14 makes things convenient for positioning disk 13 along panel surface motion, thereby be convenient for remove the cutting, hydraulic stem 6 drives U type crossbeam 7 upward movement, make spring 16 take place to reset, it makes two positioning disks 13 be located laser cutter 3's left and right sides position to rotate back type frame 10, repeated above-mentioned operation can carry out vertical cutting.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 high accuracy laser cutting mechanism, includes base (1), cutting bed (2) and laser cutting ware (3), cutting bed (2) fixed mounting is at the upper surface of base (1), its characterized in that: the two sides of the cutting table (2) are symmetrically provided with L-shaped plates (4), the horizontal part and the vertical part of each L-shaped plate (4) are respectively and fixedly provided with a sliding block (5), the upper surface and the side wall of the cutting table (2) are respectively provided with a sliding groove symmetrical to the sliding block (5), the sliding block (5) is in sliding connection with the sliding grooves, the top ends of the two L-shaped plates (4) are respectively and fixedly provided with a hydraulic rod (6), the top ends of the two hydraulic rods (6) are jointly and fixedly connected with a U-shaped cross beam (7), the U-shaped cross beam (7) is sleeved with a matched sliding sleeve (8) in a sliding way, the L-shaped plates (4) and the sliding sleeve (8) are respectively provided with a first positioning assembly and a second positioning assembly which are identical in structure, the center of the bottom of the sliding sleeve (8) is rotatably connected with a rotating pin (9) through a bearing, and the bottom end of the rotating pin (9) is fixedly connected with a molding-back frame (10), the laser cutting device is characterized in that a positioning mechanism is arranged on the die-returning frame (10), and the laser cutting device (3) is fixedly arranged at the center of the bottom of the die-returning frame (10);

positioning mechanism includes that two slides cup joint uide bushing (11) on returning type frame (10), fixedly connected with L type pole (12) on the lateral wall of uide bushing (11), and bottom fixedly connected with positioning disk (13) of L type pole (12), the bottom roll of positioning disk (13) is installed the first ball of a plurality of (14), horizontal pole (15) have been cup jointed in the slip on returning type frame (10), fixedly connected with spring (16) between uide bushing (11) and horizontal pole (15), the last surface symmetry fixedly connected with montant (17) of horizontal pole (15), two montant (17) run through the top of returning type frame (10) and be connected with clamping ring (18) jointly, montant (17) and returning type frame (10) top sliding connection, clamping ring (18) cup joint with round pin (9) activity.

2. A high precision laser cutting mechanism as claimed in claim 1, wherein: first locating component is including offering recess (19) in the vertical portion of L template (4), and recess (19) are close to cutting bed (2) and set up, sliding connection has locating plate (20) of matching in recess (19), one side that locating plate (20) are close to recess (19) tank bottom is rotated through the bearing frame and is connected with threaded rod (21), the tank bottom and the outside extension of recess (19) are run through to the tip of threaded rod (21), and threaded rod (21) and the tank bottom threaded connection of recess (19).

3. A high precision laser cutting mechanism as claimed in claim 1, wherein: the upper surface of the cutting table (2) is fixedly embedded with a friction pad (22), and the upper surface of the friction pad (22) is flush with the upper surface of the cutting table (2).

4. A high precision laser cutting mechanism as claimed in claim 1, wherein: the ball groove has been seted up to one side that slider (5) are close to the spout tank bottom, and installs the second ball (23) that match in the ball groove, the notch in ball groove is passed and outwards extends to the one end that ball groove tank bottom was kept away from in second ball (23), and with the tank bottom roll connection of spout.

5. A high precision laser cutting mechanism as claimed in claim 1, wherein: and a wear-resistant sleeve matched with the back-shaped frame (10) is fixedly arranged in the guide sleeve (11).

6. A high precision laser cutting mechanism as claimed in claim 1, wherein: and a silica gel gasket (24) with an annular structure is fixedly embedded on one side of the compression ring (18) far away from the vertical rod (17).

7. A high precision laser cutting mechanism as claimed in claim 1, wherein: the inner section and the outer section of the sliding sleeve (8) are both in a rectangular structure, and the top of the sliding sleeve (8) is fixedly provided with a U-shaped push handle (25).

8. A high precision laser cutting mechanism as claimed in claim 2, wherein: one end of the threaded rod (21) far away from the positioning plate (20) is fixedly provided with a rotating handle (26), and one side of the positioning plate (20) far away from the threaded rod (21) is fixedly provided with a matched anti-slip pad.