CN113369715A

CN113369715A - Laser cutting machine convenient to clearance

Info

Publication number: CN113369715A
Application number: CN202110751992.1A
Authority: CN
Inventors: 刘灿虹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2021-09-10

Abstract

The invention relates to the technical field of metal cutting, in particular to a laser cutting machine convenient to clean, which is simple in structure, uses sand to carry liquefied metal and scraps, is convenient to separate the sand from the metal, and prolongs the service life of equipment; the device comprises a front frame and a rear frame, wherein the front frame and the rear frame are connected with a portal frame in a sliding manner, the portal frame is connected with a moving block in a sliding manner, a multi-stage telescopic rod is arranged on the moving block, a cutting head is arranged at the output end of the multi-stage telescopic rod, and a plurality of toothed plates are arranged on the front frame and the rear frame; still including reciprocal lead screw, accept board, scraper blade, two sets of guide bars and drive plate, the equal fixedly connected with connecting plate of the left and right ends of front rack and after-frame, reciprocal lead screw passes through the bearing rotation with two sets of connecting plates and is connected, reciprocal lead screw right-hand member is provided with driving motor, threaded connection has reciprocal board on the reciprocal lead screw, every guide bar of group all passes reciprocal board and every guide bar both ends of group are equallyd divide and do not are connected with two sets of connecting plates.

Description

Laser cutting machine convenient to clearance

Technical Field

The invention relates to the technical field of metal cutting, in particular to a laser cutting machine convenient to clean.

Background

The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to enable the workpiece to reach a melting point or a boiling point, simultaneously, the high-pressure gas coaxial with the beam blows away the melted or gasified metal, and the material finally forms a kerf along with the movement of the relative position of the beam and the workpiece, so that the purpose of cutting is achieved.

The laser cutting processing is to replace the traditional mechanical knife by invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment.

Laser cutting machine is equipped with a plurality of pinion racks, when using, places the work piece on a plurality of pinion racks, carries out the XYZ orientation through PLC control program control laser cutting head and removes to cut, among the prior art, at the laser cutting in-process, the liquefaction metal and the piece that produce directly drop on accepting the board, exist the shortcoming that is difficult for clearing up, cause equipment damage, influence the use.

Disclosure of Invention

In order to solve the technical problems, the invention provides the laser cutting machine convenient to clean, which is simple in structure, uses sand to carry liquefied metal and scraps, is convenient to separate the sand from the metal, and prolongs the service life of equipment.

The invention discloses a laser cutting machine convenient to clean, which comprises a front rack and a rear rack, wherein the front rack and the rear rack are connected with a portal frame in a sliding manner, the portal frame is connected with a moving block in a sliding manner, the moving block is provided with a multi-stage telescopic rod, the output end of the multi-stage telescopic rod is provided with a cutting head, and a plurality of toothed plates are arranged on the front rack and the rear rack; the sand-removing machine also comprises a reciprocating screw rod, a bearing plate, a scraper blade, two groups of guide rods and a driving plate, wherein the left end and the right end of the front frame and the right end of the rear frame are fixedly connected with connecting plates, the reciprocating screw rod is rotatably connected with the two groups of connecting plates through bearings, the right end of the reciprocating screw rod is provided with a driving motor, the reciprocating screw rod is in threaded connection with a reciprocating plate, each group of guide rods passes through the reciprocating plate, the two ends of each group of guide rods are respectively connected with the two groups of connecting plates, the bottom end of the reciprocating plate is provided with a lantern ring, the left half area of the driving plate is in sliding connection with the lantern ring, the driving plate is in threaded connection with a scraping screw and a return screw, four corners of the bottom of the bearing plate are respectively provided with rollers which are rotatably arranged, the bearing plate is positioned at the inner sides of the front frame and the rear frame, sand is placed on the bearing plate, the rear side wall of the front frame and the front side wall of the rear frame are respectively provided with slide rails, and each group of slide rails is in sliding connection with a slide block, be provided with damping mechanism between slider and the slide rail, it is provided with the pivot all to rotate on two sets of sliders, two sets of pivot other ends respectively with the second regional fixed connection of scraper blade front end and rear end, the scraper blade middle part is provided with the breach, and breach department fixedly connected with cylinder pole, be provided with the semi-ring on the drive plate, the cylinder pole passes the semi-ring, the lateral wall is fixed with the platform behind the front frame, the platform top is provided with the cylinder, the cylinder output is provided with the gag lever post, it is provided with the fixed orifices to accept board left side half region, inside the fixed orifices was inserted on the gag lever post top, be provided with on the reciprocating plate and be used for the locking to accept the locking mechanism of board position.

The invention relates to a laser cutting machine convenient to clean, wherein a locking mechanism comprises a first connecting block, a first sector plate, a first spring, a first inserting rod and a second spring, the first connecting block is fixed at the top of a reciprocating plate, a vertical first square hole is formed in the first connecting block, a second square hole communicated with the first square hole is formed in the front half area of the reciprocating plate, a third square hole communicated with the first square hole is formed in the left side wall of the first connecting block, the first spring is sleeved on the first inserting rod, the first inserting rod is connected with the first square hole and the inner wall of the second square hole in a sliding mode, a supporting plate is arranged at the top end of the first inserting rod, two ends of the first spring are respectively in close contact with the first connecting block and the supporting plate, a first ring body is arranged at the left end of the third square hole through a fastening screw, a first sliding rod is connected to the first ring body in a sliding mode, a first baffle is arranged at the left end of the first sliding rod, the second spring suit is on first slide bar, first slide bar right-hand member with first sector plate is connected, second spring both ends respectively with first ring body and first sector plate in close contact with, first inserting is provided with first fixed slot and second fixed slot on the pole, inside first fixed slot is inserted to first sector plate, rotates on the first baffle and is provided with first pull ring.

The invention relates to a laser cutting machine convenient to clean, two groups of damping mechanisms are symmetrical, the damping mechanism positioned at the rear side comprises a third spring, a fourth spring, a second sector plate, a damping rod and a second insertion rod, a second connecting block with a through hole is arranged at the top end of a sliding block positioned at the rear side, a second ring body is arranged at the through hole through a fastening screw, a second sliding rod is connected onto the second ring body in a sliding manner, a second baffle plate is arranged at one end of the second sliding rod, the third spring is sleeved on the second sliding rod, the other end of the second sliding rod is connected with the second sector plate, two ends of the third spring are respectively in close contact with the second ring body and the second sector plate, a through hole is arranged on the sliding block positioned at the rear side, the fourth spring is sleeved on the damping rod, the damping rod is in sliding connection with the inner wall of the through hole, the top end of the damping rod is connected with the second insertion rod, two ends of the fourth spring are respectively in close contact with the sliding block positioned at the rear side and the second insertion rod, the left end of the second inserting rod is provided with a plurality of inserting grooves, the second fan-shaped plate is inserted into one group of inserting grooves, the bottom end of the damping rod is in contact with the sliding rail located on the rear side, and a second pull ring is rotatably arranged on the second baffle plate.

According to the laser cutting machine convenient to clean, the inclined guide plate is arranged at the left end of the bearing plate, the box body which is hollow inside and is provided with the top opening is arranged at the left end between the front rack and the rear rack, the electromagnet net is arranged in the upper half area inside the box body, the U-shaped handles are arranged on the left side and the right side of the top of the electromagnet net, the spiral conveyor is arranged at the bottom inside the box body, the discharge hole is formed in the left end of the box body, and the vibration motor is arranged on the box body.

According to the laser cutting machine convenient to clean, the first limiting block and the second limiting block are arranged on one sides, close to the scraper, of the two groups of sliding blocks.

According to the laser cutting machine convenient to clean, the two groups of connecting plates are provided with the folding protective covers at the sides close to the reciprocating plates, and the surfaces of the folding protective covers and the surfaces of the toothed plates are provided with the non-stick coatings.

The laser cutting machine convenient to clean comprises a fixed frame and a nylon plate fixed at the bottom of the fixed frame.

According to the laser cutting machine convenient to clean, two groups of linear bearings are arranged on the reciprocating plate and are respectively in rolling fit with the two groups of guide rods.

Compared with the prior art, the invention has the beneficial effects that: during normal use, the reciprocating screw rod is driven to rotate by operating the driving motor to enable the scraper to be positioned at the rightmost end position, the idler wheel is in contact with the ground to support the bearing plate, the limiting rod is inserted into the fixed hole to fix the position of the bearing plate, sand is placed on the bearing plate, a workpiece is placed on the plurality of toothed plates, then the X and Y directions of the cutting head are controlled to move through the portal frame, the moving block and the multi-stage telescopic rod, through arranging the folding protective cover, metal fragments and the like are prevented from falling on the reciprocating screw rod, non-stick coatings are arranged on the surfaces of the folding protective cover and the plurality of toothed plates, the liquid metal can be prevented from being adhered to the folding protective cover and the plurality of toothed plates, the liquid metal and the metal fragments generated during cutting pass through the plurality of toothed plates to fall on the sand, the melting point of the sand is high, the metal cannot be fused with the metal, so that the metal is solidified and cannot be adhered to the sand, when sand needs to be cleaned, the driving motor is operated to enable the reciprocating plate and the lantern ring to move leftwards, when the lantern ring is in contact with a scraping screw on the driving plate, the driving plate and the half ring are driven to move leftwards, the scraper is rotationally connected with the two sets of sliding blocks through the two sets of rotating shafts, the two sets of sliding blocks move leftwards and rightwards along the two sets of sliding rails, so that when the half ring moves leftwards, the cylindrical rod is driven to rotate anticlockwise by taking the rotating shafts as shafts, the bottom end of the scraper is in contact with the top of the bearing plate, the rotation angle of the scraper is limited by the second limiting block, and a damping mechanism is arranged to enable the sliding blocks and the sliding rails to keep large friction force, so that the scraper and the top of the bearing plate are kept in close contact, and the sand scraping effect is maintained, when the reciprocating plate moves leftwards, the scraper is driven to move leftwards, meanwhile, the bottom end of the scraper scrapes the sand out to the left end of the bearing plate, the sand is pushed by the scraper to flow obliquely to the box body along the guide plate, the electromagnetic iron net absorbs metal iron chips in sand, the sand enters the bottom in the box body, the vibration motor is started to accelerate the falling of the sand, the sand is conveyed by the screw conveyor and discharged from the discharge port, when the driving motor is controlled to enable the reciprocating plate to move rightwards, the reciprocating plate is provided with the moving lantern ring to move rightwards first to be in contact with the return screw, then the driving plate and the semi-ring are driven to move rightwards, the cylindrical rod is pushed to rotate clockwise by taking the rotating shaft as the shaft, the bottom end of the scraper is separated from the receiving plate, and the rotation angle of the scraper is limited by the arrangement of the first limiting block.

Drawings

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

fig. 2 is a schematic connection diagram of the receiving plate, the reciprocating plate, the platform, the cylinder, the limiting rod, the fixing hole, the first connecting block, the first sector plate, the first spring, the first insertion rod, the second spring, the support plate, the first ring body, the first sliding rod, the first baffle, the first fixing groove, the second fixing groove and the first pull ring when the first insertion rod is positioned right above the fixing hole;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic right side view of the connection of the slide rail, the slide block, the third spring, the fourth spring, the second sector plate, the damping rod, the second insertion rod, the second connection block, the second ring body, the second slide rod, the second baffle plate, and the second pull ring;

FIG. 5 is an upper right top cross-sectional perspective view of the present invention;

FIG. 6 is a partial enlarged view of portion A of FIG. 5;

FIG. 7 is a top right perspective view of the present invention;

FIG. 8 is a partial enlarged view of portion A of FIG. 7;

in the drawings, the reference numbers: 1. a front frame; 2. a toothed plate; 3. a reciprocating screw; 4. a bearing plate; 5. a squeegee; 6. a guide bar; 7. a drive plate; 8. a connecting plate; 9. a drive motor; 10. a reciprocating plate; 11. a collar; 12. scraping the screw; 13. a return screw; 14. a slide rail; 15. a slider; 16. a cylindrical rod; 17. a half ring; 18. a platform; 19. a cylinder; 20. a limiting rod; 21. a fixing hole; 22. a first connection block; 23. a first sector plate; 24. a first spring; 25. a first insert rod; 26. a second spring; 27. a support plate; 28. a first ring body; 29. a first slide bar; 30. a first baffle plate; 31. a first fixing groove; 32. a second fixing groove; 33. a first pull ring; 34. a third spring; 35. a fourth spring; 36. a second sector plate; 37. a damping lever; 38. a second insert rod; 39. a second connecting block; 40. a second ring body; 41. a second slide bar; 42. a second baffle; 43. a second tab; 44. an oblique deflector; 45. a box body; 46. an electromagnet net; 47. a screw conveyor; 48. a vibration motor; 49. a first stopper; 50. and a second limiting block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 8, the laser cutting machine convenient to clean comprises a front frame 1 and a rear frame, wherein the front frame 1 and the rear frame are connected with a portal frame in a sliding manner, the portal frame is connected with a moving block in a sliding manner, the moving block is provided with a multi-stage telescopic rod, the output end of the multi-stage telescopic rod is provided with a cutting head, and the front frame 1 and the rear frame are provided with a plurality of toothed plates 2; the sand-removing machine also comprises a reciprocating screw rod 3, a bearing plate 4, a scraper 5, two groups of guide rods 6 and a driving plate 7, wherein the left end and the right end of a front frame 1 and a rear frame are fixedly connected with connecting plates 8, the reciprocating screw rod 3 is rotatably connected with the two groups of connecting plates 8 through bearings, the right end of the reciprocating screw rod 3 is provided with a driving motor 9, the reciprocating screw rod 3 is in threaded connection with a reciprocating plate 10, each group of guide rods 6 passes through the reciprocating plate 10, the two ends of each group of guide rods 6 are respectively connected with the two groups of connecting plates 8, the bottom end of the reciprocating plate 10 is provided with a lantern ring 11, the left half area of the driving plate 7 is in sliding connection with the lantern ring 11, the driving plate 7 is in threaded connection with a scraping screw 12 and a return screw 13, four corners at the bottom of the bearing plate 4 are respectively provided with rollers in a rotating manner, the bearing plate 4 is positioned at the inner sides of the front frame 1 and the rear frame, sand is placed on the bearing plate 4, the rear side wall of the front frame 1 and the front side wall of the rear frame are respectively provided with a slide rail 14, each group of sliding rails 14 is connected with a sliding block 15 in a sliding manner, a damping mechanism is arranged between each sliding block 15 and each sliding rail 14, rotating shafts are arranged on each group of sliding blocks 15 in a rotating manner, the other ends of each rotating shaft are fixedly connected with the lower half area of the front end and the lower half area of the rear end of each scraping plate 5 respectively, a notch is formed in the middle of each scraping plate 5, a cylindrical rod 16 is fixedly connected to the notch, a semi-ring 17 is arranged on each driving plate 7, each cylindrical rod 16 penetrates through the semi-ring 17, a platform 18 is fixed on the rear side wall of the front frame 1, an air cylinder 19 is arranged at the top of each platform 18, a limiting rod 20 is arranged at the output end of each air cylinder 19, a fixing hole 21 is formed in the left half area of each bearing plate 4, the top end of each limiting rod 20 is inserted into the corresponding fixing hole 21, and a locking mechanism for locking the position of each bearing plate 4 is arranged on each reciprocating plate 10;

when the sand cutting machine is normally used, the driving motor 9 is operated to drive the reciprocating screw rod 3 to rotate so that the scraping plate 5 is positioned at the rightmost end position, the roller wheel is contacted with the ground to support the bearing plate 4, the air cylinder 19 is operated to enable the limiting rod 20 to be inserted into the fixing hole 21 to fix the position of the bearing plate 4, sand is placed on the bearing plate 4, a workpiece is placed on the plurality of toothed plates 2, then the movement of the cutting head in the XYZ direction is controlled through the portal frame, the moving block and the multi-stage telescopic rod, liquid metal and metal scraps generated during cutting pass through the plurality of toothed plates 2 to fall on the sand, the melting point of the sand is high and cannot be fused with the metal, so that the metal is solidified and is not adhered with the sand, when the sand needs to be cleaned, the driving motor 9 is operated to enable the reciprocating plate 10 and the lantern ring 11 to move leftwards, when the lantern ring 11 is contacted with the scraping screw 12 on the driving plate 7, the driving plate 7 and the semi-ring 17 are driven to move leftwards, since the scraping plate 5 is rotationally connected with the two sets of sliding blocks 15 through the two sets of rotating shafts, the two sets of sliding blocks 15 move left and right along the two sets of sliding rails 14, when the semi-ring 17 moves left, the cylindrical rod 16 is driven to rotate counterclockwise by taking the rotating shafts as the shafts, so that the bottom end of the scraping plate 5 contacts with the top of the receiving plate 4, and a damping mechanism is arranged, so that a larger friction force is kept between the sliding blocks 15 and the sliding rails 14, so that the scraping plate 5 and the top of the receiving plate 4 are kept in close contact, so as to maintain the sand scraping effect, in sum, when the reciprocating plate 10 moves left, the scraping plate 5 is driven to move left while the bottom end of the scraping plate 5 scrapes out sand to the left end of the receiving plate 4, when the driving motor 9 is controlled to move right, the reciprocating plate 10 drives the lantern ring 11 to move right first to contact with the return screw 13, then drives the driving plate 7 and the semi-ring 17 to move right, and simultaneously pushes the cylindrical rod 16 to rotate clockwise by taking the rotating shafts as the shafts, the bottom end of the scraper 5 is separated from the bearing plate 4.

The invention relates to a laser cutting machine convenient to clean, a locking mechanism comprises a first connecting block 22, a first sector plate 23, a first spring 24, a first inserting rod 25 and a second spring 26, wherein the first connecting block 22 is fixed at the top of a reciprocating plate 10, the first connecting block 22 is provided with a vertical first square hole, the front half area of the reciprocating plate 10 is provided with a second square hole communicated with the first square hole, the left side wall of the first connecting block 22 is provided with a third square hole communicated with the first square hole, the first spring 24 is sleeved on the first inserting rod 25, the first inserting rod 25 is in sliding connection with the inner walls of the first square hole and the second square hole, the top end of the first inserting rod 25 is provided with a supporting plate 27, the two ends of the first spring 24 are respectively in close contact with the first connecting block 22 and the supporting plate 27, the left end of the third square hole is provided with a first ring body 28 through a fastening screw, the first sliding rod 29 is connected on the first ring body 28, a first baffle 30 is arranged at the left end of the first sliding rod 29, the second spring 26 is sleeved on the first sliding rod 29, the right end of the first sliding rod 29 is connected with the first sector plate 23, two ends of the second spring 26 are respectively in close contact with the first ring body 28 and the first sector plate 23, a first fixing groove 31 and a second fixing groove 32 are arranged on the first inserting rod 25, the first sector plate 23 is inserted into the first fixing groove 31, and a first pull ring 33 is rotatably arranged on the first baffle 30;

the locking mechanism works as follows: as shown in fig. 2, the first sector plate 23 is inserted into the first fixing groove 31 to prevent the first insertion rod 25 from moving upward, when the receiving plate 4 needs to be pulled out to further clean or spread sand on the receiving plate 4, the driving motor 9 is operated to make the first insertion rod 25 be positioned right above the fixing hole 21, then the air cylinder 19 is operated to make the limiting rod 20 be separated from the fixing hole 21, then the supporting plate 27 is pressed to make the first insertion rod 25 be inserted into the fixing hole 21 in a downward sliding manner, at the same time, under the thrust action of the first insertion rod 25, the first sector plate 23, the first sliding rod 29 and the first baffle 30 all move leftward, when the second fixing groove 32 is held with the first sector plate 23, under the elastic force of the second spring 26, the first sector plate 23 is pushed into the second fixing groove 32 to prevent the first insertion rod 25 from moving upward, after the receiving plate 4 is moved to a proper position, the first pull ring 33 is pulled leftward to make the first sector plate 23 be separated from the second fixing groove 32, the first insertion rod 25 is moved upward out of the fixing hole 21 by the first spring 24, and then the cylinder 19 is operated to insert the stopper rod 20 into the fixing hole 21 to fix the position of the receiving plate 4.

The invention relates to a laser cutting machine convenient for cleaning, two groups of damping mechanisms are symmetrical, the damping mechanism positioned at the rear side comprises a third spring 34, a fourth spring 35, a second sector plate 36, a damping rod 37 and a second insertion rod 38, the top end of a sliding block 15 positioned at the rear side is provided with a second connecting block 39 with a through hole, the through hole is provided with a second ring body 40 through a fastening screw, the second ring body 40 is connected with a second sliding rod 41 in a sliding way, one end of the second sliding rod 41 is provided with a second baffle plate 42, the third spring 34 is sleeved on the second sliding rod 41, the other end of the second sliding rod 41 is connected with the second sector plate 36, the two ends of the third spring 34 are respectively in close contact with the second ring body 40 and the second sector plate 36, the sliding block 15 positioned at the rear side is provided with a through hole, the fourth spring 35 is sleeved on the damping rod 37, the damping rod 37 is connected with the through hole in a sliding way, the top end of the damping rod 37 is connected with the second insertion rod 38, the two ends of the fourth spring 35 are respectively in close contact with the sliding block 15 and the second insertion rod 38 which are positioned at the rear side, the left end of the second insertion rod 38 is provided with a plurality of slots, the second sector plate 36 is inserted into one group of slots, the bottom end of the damping rod 37 is in contact with the sliding rail 14 which is positioned at the rear side, and the second baffle plate 42 is rotatably provided with a second pull ring 43;

the damping mechanism works as follows: as shown in fig. 4, the second sector plate 36 is inserted into the set of slots to prevent the damping rod 37 and the like from moving upward, when the second insertion rod 38 is pressed downward, the second sliding rod 41, the second baffle 42, the second sector plate 36 and the like are driven to move toward the reciprocating plate 10 side by the pressing force of the second insertion rod 38, when the second sector plate 36 is kept flat with the slots at other positions, the second sector plate 36 is inserted into the set of slots by the elastic force of the third spring 34 to keep the damping rod 37 always in close contact with the slide rail 14, if the damping rod 37 needs to be separated from the slide rail 14, the second pull ring 43 is moved toward the reciprocating plate 10 side to separate the second sector plate 36 from the slots, and the damping rod 37 is separated from the slide rail 14 by the elastic force of the fourth spring 35.

According to the laser cutting machine convenient to clean, the inclined guide plate 44 is arranged at the left end of the bearing plate 4, the box body 45 which is hollow inside and is provided with an opening at the top is arranged at the left end between the front rack 1 and the rear rack, the electromagnet net 46 is arranged in the upper half area inside the box body 45, the left side and the right side of the top of the electromagnet net 46 are both provided with U-shaped handles, the bottom inside the box body 45 is provided with the screw conveyor 47, the left end of the box body 45 is provided with the discharge hole, and the box body 45 is provided with the vibration motor 48; the sand is pushed by the scraper 5 to flow to the inside of the box body 45 along the inclined guide plate 44, the electromagnet net 46 sucks the metal iron chips in the sand, the sand enters the inner bottom of the box body 45, the vibration motor 48 is started to accelerate the falling of the sand, and the sand is conveyed by the screw conveyor 47 and discharged from the discharge hole.

According to the laser cutting machine convenient to clean, the first limiting block 49 and the second limiting block 50 are arranged on one sides, close to the scraper 5, of the two groups of sliders 15; when the bottom end of the scraper 5 is tightly contacted with the top of the bearing plate 4, the scraper 5 is contacted with the second limiting block 50 to limit the angle of the scraper 5; when the scraper 5 contacts with the first limiting block 49, the scraper 5 cannot rotate continuously, the angle of the scraper 5 is limited, and the use stability is improved.

According to the laser cutting machine convenient to clean, the two groups of connecting plates 8 are provided with the folding protective covers at the sides close to the reciprocating plate 10, and the surfaces of the folding protective covers and the plurality of toothed plates 2 are provided with the non-stick coatings; through setting up folding safety cover, prevent that metal piece etc. from dropping on reciprocal lead screw 3 to all be provided with on folding safety cover and many pinion rack 2 surfaces and not be stained with the coating, can prevent that liquid metal adhesion is on folding safety cover and many pinion rack 2.

According to the laser cutting machine convenient to clean, the scraper 5 comprises a fixing frame and a nylon plate fixed at the bottom of the fixing frame; through setting up mount and nylon board, be convenient for when the nylon board damages change the nylon board.

According to the laser cutting machine convenient to clean, two groups of linear bearings are arranged on the reciprocating plate 10 and are respectively in rolling fit with the two groups of guide rods 6; by providing a linear bearing, wear on the guide rod 6 when the reciprocating screw 3 rotates is reduced.

When the laser cutting machine convenient to clean works, the second fan-shaped plate 36 is inserted into a group of slots to prevent the damping rod 37 and the like from moving upwards, when the second insertion rod 38 is pressed downwards, the second sliding rod 41, the second baffle plate 42, the second fan-shaped plate 36 and the like are driven to move towards one side close to the reciprocating plate 10 under the extrusion of the second insertion rod 38, when the second fan-shaped plate 36 is kept flat with the slots at other positions, the second fan-shaped plate 36 is inserted into the group of slots under the elastic force of the third spring 34, so that the damping rod 37 is always kept in close contact with the slide rail 14, if the damping rod 37 is required to be separated from the slide rail 14, the second pull ring 43 is moved towards one side of the reciprocating plate 10 to separate the second fan-shaped plate 36 from the slots, and under the elastic force of the fourth spring 35, the damping rod 37 is separated from the slide rail 14;

the locking mechanism works as follows: as shown in fig. 2, the first sector plate 23 is inserted into the first fixing groove 31 to prevent the first insertion rod 25 from moving upward, when the receiving plate 4 needs to be pulled out to further clean or spread sand on the receiving plate 4, the driving motor 9 is operated to make the first insertion rod 25 be positioned right above the fixing hole 21, then the air cylinder 19 is operated to make the limiting rod 20 be separated from the fixing hole 21, then the supporting plate 27 is pressed to make the first insertion rod 25 be inserted into the fixing hole 21 in a downward sliding manner, at the same time, under the thrust action of the first insertion rod 25, the first sector plate 23, the first sliding rod 29 and the first baffle 30 all move leftward, when the second fixing groove 32 is held with the first sector plate 23, under the elastic force of the second spring 26, the first sector plate 23 is pushed into the second fixing groove 32 to prevent the first insertion rod 25 from moving upward, after the receiving plate 4 is moved to a proper position, the first pull ring 33 is pulled leftward to make the first sector plate 23 be separated from the second fixing groove 32, under the action of the first spring 24, the first inserting rod 25 moves upwards to be separated from the fixing hole 21, and then the air cylinder 19 is operated to enable the limiting rod 20 to be inserted into the fixing hole 21 to fix the position of the bearing plate 4;

during normal use, the reciprocating screw rod 3 is driven to rotate by operating the driving motor 9 to enable the scraper 5 to be positioned at the rightmost end position, the idler wheel is contacted with the ground to support the bearing plate 4, the limiting rod 20 is inserted into the fixed position of the bearing plate 4 inside the fixed hole 21 by operating the air cylinder 19, sand is placed on the bearing plate 4, a workpiece is placed on the plurality of toothed plates 2, then the X and Y directions of the cutting head are controlled to move by the portal frame, the moving block and the multi-stage telescopic rod, the folding protective cover is arranged to prevent metal scraps and the like from falling on the reciprocating screw rod 3, non-stick coatings are arranged on the surfaces of the folding protective cover and the plurality of toothed plates 2, the liquid metal and the metal scraps generated during cutting can be prevented from being adhered on the folding protective cover and the plurality of toothed plates 2, the liquid metal and the metal scraps can pass through the plurality of toothed plates 2 and fall on the sand, the melting point of the sand is high and cannot be fused with the metal, therefore, the metal is solidified and does not adhere to sand, when the sand needs to be cleaned, the driving motor 9 is operated to make the reciprocating plate 10 and the sleeve ring 11 move leftwards, when the sleeve ring 11 contacts with the scraping screw 12 on the driving plate 7, the driving plate 7 and the half ring 17 are driven to move leftwards, as the scraping plate 5 is rotationally connected with the two sets of slide blocks 15 through the two sets of rotating shafts, the two sets of slide blocks 15 move leftwards and rightwards along the two sets of slide rails 14, so that when the half ring 17 moves leftwards, the cylindrical rod 16 is driven to rotate anticlockwise by taking the rotating shafts as the shafts, the bottom end of the scraping plate 5 is contacted with the top of the receiving plate 4, the rotation angle of the scraping plate 5 is limited by the second limiting block 50, and a larger friction force can be kept between the slide blocks 15 and the slide rails 14 through the damping mechanism, so that the scraping plate 5 is kept in close contact with the top of the receiving plate 4, and the sand scraping effect is maintained, in conclusion when the reciprocating plate 10 moves leftwards, the scraper 5 is driven to move leftwards, meanwhile, sand is scraped out to the left end of the receiving plate 4 by the bottom end of the scraper 5, the sand is pushed by the scraper 5 to flow to the inside of the box body 45 along the inclined guide plate 44, the electromagnet net 46 absorbs metal iron chips in the sand, the sand enters the bottom of the box body 45, the vibration motor 48 is started to accelerate the falling of the sand, the sand is conveyed by the screw conveyor 47 to be discharged from a discharge hole, when the driving motor 9 is controlled to drive the reciprocating plate 10 to move rightwards, the reciprocating plate 10 drives the lantern ring 11 to move rightwards first to be in contact with the return screw 13, then the driving plate 7 and the semi-ring 17 are driven to move rightwards, meanwhile, the cylindrical rod 16 is driven to rotate clockwise by taking the rotating shaft as the shaft, the bottom end of the scraper 5 is separated from the receiving plate 4, and the rotation angle of the scraper 5 is limited by the first limiting block 49.

The laser cutting machine convenient to clean is characterized in that the installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off in the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the power utilization modules and the electric appliances are common electric appliances in the market, the power utilization modules and the electric appliances can be used only by being electrically connected with each other according to the purchased instructions when being bought back for use, and the control modules are common self-contained modules, so the details are omitted.

In the laser cutting machine convenient to clean of the present invention, unless otherwise stated, the directional words included in the terms "up, down, left, right, front, back, inside, and vertical, horizontal" and the like merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A laser cutting machine convenient to clean comprises a front rack (1) and a rear rack, wherein portal frames are connected to the front rack (1) and the rear rack in a sliding mode, moving blocks are connected to the portal frames in a sliding mode, multi-stage telescopic rods are arranged on the moving blocks, cutting heads are arranged at the output ends of the multi-stage telescopic rods, and a plurality of toothed plates (2) are arranged on the front rack (1) and the rear rack; the device is characterized by further comprising a reciprocating lead screw (3), a bearing plate (4), a scraper (5), two groups of guide rods (6) and a driving plate (7), wherein the left end and the right end of the front rack (1) and the rear rack are fixedly connected with connecting plates (8), the reciprocating lead screw (3) is rotatably connected with the two groups of connecting plates (8) through bearings, the right end of the reciprocating lead screw (3) is provided with a driving motor (9), the reciprocating lead screw (3) is in threaded connection with reciprocating plates (10), each group of guide rods (6) penetrates through the reciprocating plates (10), the two ends of each group of guide rods (6) are respectively connected with the two groups of connecting plates (8), the bottom end of each reciprocating plate (10) is provided with a lantern ring (11), the left half area of the driving plate (7) is in sliding connection with the lantern ring (11), and the driving plate (7) is in threaded connection with a scraping screw (12) and a return screw (13), four corners at the bottom of the bearing plate (4) are respectively provided with a roller in a rotating manner, the bearing plate (4) is positioned at the inner sides of the front frame (1) (1) and the rear support, sand is placed on the bearing plate (4), the rear side wall of the front frame (1) (1) and the front side wall of the rear support are respectively provided with a slide rail (14), each slide rail (14) is respectively connected with a slide block (15) in a sliding manner, a damping mechanism is arranged between the slide block (15) and the slide rail (14), two groups of slide blocks (15) are respectively provided with a rotating shaft in a rotating manner, the other ends of the two groups of rotating shafts are respectively fixedly connected with the lower half area of the front end and the rear end of the scraper (5), the middle part of the scraper (5) is provided with a notch, the notch is fixedly connected with a cylindrical rod (16), a semi-ring (17) is arranged on the scraper (7), the cylindrical rod (16) passes through the semi-ring (17), the rear side wall of the front frame (1) (1) is fixedly provided with a platform (18), the top of the platform (18) is provided with an air cylinder (19), the output end of the air cylinder (19) is provided with a limiting rod (20), the left half area of the bearing plate (4) is provided with a fixing hole (21), the top end of the limiting rod (20) is inserted into the fixing hole (21), and a locking mechanism used for locking the position of the bearing plate (4) is arranged on the reciprocating plate (10).

2. The laser cutting machine convenient for cleaning of claim 1, wherein the locking mechanism comprises a first connecting block (22), a first sector plate (23), a first spring (24), a first insert rod (25) and a second spring (26), the first connecting block (22) is fixed on the top of the reciprocating plate (10), a first square hole in the vertical direction is formed in the first connecting block (22), a second square hole communicated with the first square hole is formed in the front half area of the reciprocating plate (10), a third square hole communicated with the first square hole is formed in the left side wall of the first connecting block (22), the first spring (24) is sleeved on the first insert rod (25), the first insert rod (25) is slidably connected with the inner walls of the first square hole and the second square hole, a support plate (27) is arranged at the top end of the first insert rod (25), and two ends of the first spring (24) are respectively in close contact with the first connecting block (22) and the support plate (27), third square hole left end is provided with first ring body (28) through fastening screw, and sliding connection has first slide bar (29) on first ring body (28), and first slide bar (29) left end is provided with first baffle (30), second spring (26) suit is on first slide bar (29), first slide bar (29) right-hand member with first sector plate (23) are connected, second spring (26) both ends respectively with first ring body (28) and first sector plate (23) in close contact with, be provided with first fixed slot (31) and second fixed slot (32) on first inserted bar (25), inside first fixed slot (31) was inserted in first sector plate (23), rotate on first baffle (30) and be provided with first pull ring (33).

3. The laser cutting machine convenient to clean as claimed in claim 2, wherein the two sets of damping mechanisms are symmetrical, the damping mechanism located at the rear side comprises a third spring (34), a fourth spring (35), a second sector plate (36), a damping rod (37) and a second insertion rod (38), a second connecting block (39) with a through hole is arranged at the top end of the sliding block (15) located at the rear side, a second ring body (40) is arranged at the through hole through a fastening screw, a second sliding rod (41) is slidably connected onto the second ring body (40), a second baffle (42) is arranged at one end of the second sliding rod (41), the third spring (34) is sleeved on the second sliding rod (41), the other end of the second sliding rod (41) is connected with the second sector plate (36), and two ends of the third spring (34) are respectively in close contact with the second ring body (40) and the second sector plate (36), be provided with the through hole on slider (15) that is located the rear side, fourth spring (35) suit is on damping lever (37), damping lever (37) and through hole inner wall sliding connection, damping lever (37) top is connected with second inserted bar (38), fourth spring (35) both ends respectively with slider (15) and the second inserted bar (38) in close contact with that are located the rear side, second inserted bar (38) left end is provided with a plurality of slots, inside second sector plate (36) inserted a set of slot, damping lever (37) bottom and slide rail (14) contact that are located the rear side, it is provided with second pull ring (43) to rotate on second baffle (42).

4. The laser cutting machine convenient to clean as claimed in claim 3, wherein the left end of the bearing plate (4) is provided with an oblique guide plate (44), a box body (45) which is hollow inside and is provided with an opening at the top is placed at the left end between the front frame (1) (1) and the rear frame, an electromagnet net (46) is arranged at the upper half area inside the box body (45), the left side and the right side of the top of the electromagnet net (46) are both provided with U-shaped handles, a spiral conveyor (47) is arranged at the bottom inside the box body (45), the left end of the box body (45) is provided with a discharge hole, and a vibrating motor (48) is arranged on the box body (45).

5. The laser cutting machine convenient to clean as claimed in claim 4, characterized in that the two sets of sliders (15) are provided with a first stopper (49) and a second stopper (50) on the side close to the scraper (5).

6. A laser cutting machine facilitating cleaning according to claim 5, characterized in that the two sets of connecting plates (8) are provided with a folding protection cover on the side close to the reciprocating plate (10), and the folding protection cover and the plurality of toothed plates (2) are provided with non-stick coatings on the surfaces.

7. A laser cutting machine facilitating cleaning according to claim 6, characterized in that the blade (5) comprises a holder and a nylon plate fixed to the bottom of the holder.

8. A laser cutting machine facilitating cleaning according to claim 7, characterized in that two sets of linear bearings are provided on the reciprocating plate (10), and the two sets of linear bearings are respectively in rolling engagement with the two sets of guide bars (6).