CN114985975A

CN114985975A - Laser cutting machine capable of improving cutting precision

Info

Publication number: CN114985975A
Application number: CN202210728533.6A
Authority: CN
Inventors: 徐广鹏; 李帅; 孙同健
Original assignee: Shandong Chaogong Laser Technology Co ltd
Current assignee: Shandong Chaogong Laser Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-02

Abstract

The invention belongs to the technical field of cutting equipment, in particular to a laser cutting machine capable of improving cutting precision, aiming at the problems that the existing clamping force is difficult to control accurately and scraps need to be cleaned manually, the invention provides a scheme which comprises an operating platform and a laser cutting frame bolted at the top of the operating platform, wherein a limiting sleeve is bolted at the bottom end inside the operating platform, a rack is connected inside the limiting sleeve in a sliding manner, sliding rods are connected with convex blocks at the left end and the middle end of the rack in a sliding manner, a U-shaped frame connected with the two sliding rods in a sliding manner is arranged inside the operating platform, a power mechanism drives the rack to move through a transmission mechanism, the rack drives the U-shaped frame to move through the sliding rods, the U-shaped frame can move downwards or upwards accurately, the U-shaped frame can drive a limiting roller to limit materials accurately, the power mechanism can drive an elliptical wheel to rotate through a rotating rod, the elliptical wheel drives a roller to move upwards and downwards through an elliptical structure, the rollers shake the debris down by the vibration generated by the collection hopper.

Description

Laser cutting machine capable of improving cutting precision

Technical Field

The invention relates to the technical field of cutting equipment, in particular to a laser cutting machine capable of improving cutting precision.

Background

The patent with the application number of CN202111385947.5 discloses a laser cutting machine and a material cutting method capable of improving cutting precision, the material is limited by arranging an auxiliary fixing device at the front side of a cutting head, the cutting precision is high, and an auxiliary clamp does not need to be arranged at the rear side of the cutting head to prevent shaking, so that no clamping trace exists on a workpiece, the workpiece in the scheme can still be used in a scene with high surface requirements, and the application range is wider. The auxiliary fixing device further comprises a first telescopic piece and a clamping arm, the clamping function is achieved except for the limiting function, namely after the auxiliary fixing device clamps materials, the auxiliary fixing device can drive the materials to move synchronously, the two functions are combined into a whole, the whole structure is simple, too large installation volume is not needed, and production cost is reduced.

But this can improve cutting accuracy's laser cutting machine and material cutting method also has some problems, for example, its fixed knot who sets up for improving cutting accuracy uses the pneumatic cylinder to promote to the fixed of material is many directly, flexible length is difficult to accurate control, this just leads to fixed knot to be difficult to accurate control to the spacing power of centre gripping of material, easy overstress leads to the material to be pressed from both sides wounded, also easy clamping power is said the undersize and is led to the material not hard up, and can produce a large amount of pieces among the cutting process, these pieces many all can glue in the miscellaneous fill of collection of bottom, can't discharge, need artifical clearance.

Disclosure of Invention

Based on the technical problems that the clamping force is difficult to control accurately and chips need to be cleaned manually in the background technology, the invention provides a laser cutting machine capable of improving the cutting precision.

The invention provides a laser cutting machine capable of improving cutting precision, which comprises an operation table and a laser cutting frame bolted to the top of the operation table, wherein the bottom end inside the operation table is bolted with a limiting sleeve, the inside of the limiting sleeve is slidably connected with a rack, the left end and the middle end of the rack are both slidably connected with slide bars, the inside of the operation table is provided with a U-shaped frame slidably connected with the two slide bars, the two sides of the top end of the U-shaped frame penetrate through a hole in the top of the operation table and are rotatably sleeved with a limiting roller, the middle end inside the operation table is rotatably sleeved with a rotating rod, the left end and the middle end of the surface of the rotating rod are both bolted with an elliptical wheel, the top of the elliptical wheel is slidably connected with a roller wheel, the inside of the operation table is provided with a collecting hopper rotatably connected with the two roller wheels, the right end of the rotating rod is bolted with a power mechanism, and the rear side of the power mechanism is slidably connected with a transmission mechanism, power unit passes through drive mechanism and can drives the rack and remove, and the rack can drive U type frame through the slide bar and remove, lets U type frame can be accurate move down or shift up, and U type frame can drive spacing roller accurate carry on spacingly to the material, and power unit can drive the elliptical wheel through the bull stick and rotate, and the elliptical wheel utilizes oval structure to drive the gyro wheel and reciprocates, and the gyro wheel shakes the piece through the vibration of collecting the production of fighting.

Preferably, power unit includes motor, worm, gear wheel and pinion, the left side of motor and the right side bolt of operation panel, the output of motor runs through the hole on operation panel right side and with the right-hand member bolt of worm, the surface of worm rotates with the inside of operation panel to cup joint, the left end of worm and the axle center department bolt on gear wheel right side, the tooth of gear wheel bottom meshes with the tooth at pinion top, the left axle center department of pinion and the right-hand member bolt of bull stick, and the motor can drive the gear wheel through the worm and rotate, and the bull gear can drive the bull stick through the pinion and rotate, and the worm passes through the bearing and rotates the setting with the operation panel, lets the rotation that the worm can be steady.

Preferably, power unit still includes worm wheel, transfer line, sliding sleeve, hinge bar and slider, the surface of worm meshes with the bottom of worm wheel, the top of worm wheel rear side and the left end bolt of transfer line, the right-hand member of transfer line is articulated with the surface of sliding sleeve, the inside of sliding sleeve and the surface sliding connection of hinge bar, the left end of hinge bar is articulated with the inside of operation panel, the right-hand member of hinge bar is articulated with the surface of slider, slider and drive mechanism sliding connection, worm pass through the worm wheel and can drive the transfer line, and the transfer line can drive the hinge bar through the sliding sleeve and rotate, and the hinge bar can drive mechanism through the slider and rotate.

Preferably, the axle center department of worm wheel is connected with the inside rotation of operation panel, the right-hand member tilt up of transfer line, the worm is located the rear side of U type frame, the hinge bar is located the right side of U type frame, and the worm wheel passes through the bearing and rotates the setting with the operation panel, lets the rotation that the worm wheel can be steady, and the convenient worm wheel of state of transfer line drives the transfer line and rotates, makes things convenient for the transfer line to drive the sliding sleeve and removes, and the worm can be avoided taking place the interference and collision between worm and the U type frame with the structure of U type frame, and the driven smooth and easy of guarantee structure, and mutual production motion interference can be avoided in hinge bar and the position of U type frame.

Preferably, drive mechanism includes tooth piece, connecting gear, driving plate and balladeur train, the spout on tooth piece surface top is connected with the rear side sliding connection of slider, the tooth meshing on tooth piece left tooth and connecting gear right side, the rear side of connecting gear and the surface bolt of driving plate, the axle center department of driving plate is connected with the inside rotation of operation panel, the left spout in driving plate surface and the lug sliding connection on balladeur train top, the slider can drive connecting gear through the tooth piece and rotate, and connecting gear can drive the balladeur train through the driving plate and remove.

Preferably, drive mechanism still includes connecting seat, driving frame, connecting rod and fluted disc, the bottom of balladeur train and the spout sliding connection at connecting seat top, the bottom of connecting seat is articulated with the left end of driving frame, the rear side of driving frame is articulated with the inside of operation panel, the bottom of driving frame is articulated with the right-hand member of connecting rod, the left end of connecting rod is articulated with the top of fluted disc, the axle center department of fluted disc is articulated with the inside of operation panel, the tooth meshing on tooth and the rack top right side of fluted disc bottom, the balladeur train can drive the driving frame through the connecting seat and rotate, and the driving frame can drive the fluted disc through the connecting rod and rotate, and the fluted disc can drive the rack and remove.

Preferably, the rear side sliding connection of balladeur train has the sliding frame, the rear side of sliding frame and the inside bolt of operation panel, the right side and the inside right side sliding connection of operation panel of tooth piece, the driving frame is L type structure, and the sliding frame can slide spacingly to the balladeur train, lets the balladeur train can be steady reciprocate, avoids the balladeur train to be driven the skew by the driving plate, and the tooth piece passes through the slide rail and slides the setting with the operation panel, lets the reciprocating that the tooth piece can be steady, and the structure of driving frame can turn into the arc motion about the driving frame bottom with the up-and-down arc motion of driving frame left end.

Preferably, the slide opening of trompil form is all seted up to the top and the bottom of slide bar rear side, the hole of slide bar rear side is articulated with the inside of operation panel, the inboard bottom sliding connection of U type frame has the stopper, the rear side of stopper and the inside bolt joint of operation panel, the slide opening of slide bar bottom and the lug sliding connection of rack make things convenient for the rack to drive the slide bar and rotate, the slide opening on slide bar top can with the lug sliding connection of U type frame surface bottom, the slide bar arc rotates the top of in-process slide bar and is down to rotate, the stopper passes through slide rail and the setting of U type frame slip, lets reciprocating that U type frame can be steady.

Preferably, the top on U type frame surface and the hole sliding connection at operation panel top, spacing roller is located the inside of laser cutting frame, the bolt has the operation panel between the top of operation panel and the inside that is located the laser cutting frame, the operation panel is located the bottom of spacing roller, and U type frame passes through the slide rail and slides the setting with the operation panel, lets the reciprocating that U type frame can be steady, and it is spacing to make things convenient for U type frame to carry out the centre gripping through spacing roller to the material, and two spacing rollers are close to waiting of material and cut the position, can effectively carry out the centre gripping spacing to the material, avoid the material to move about in cutting process, and the operation panel is used for placing the material to the top of operation panel can set up anchor clamps, is used for carrying out the centre gripping to the material fixed.

Preferably, the bottom intercommunication that collects the fill has the trash discharge pipe, the rear side of operation panel is extended to the bottom of trash discharge pipe, the top on trash discharge pipe surface is hose construction, collect the top of fighting and the collection mouth intercommunication on the inside top of operation panel, the top of collecting the fill is rubber construction, collects and fights and to discharge impurity piece through trash discharge pipe, collects and fights and is the arc structure, lets the piece downstream, and the hose construction of trash discharge pipe lets the top of trash discharge pipe can follow and collect and fight activity from top to bottom, and the rubber materials at collection fill top lets the collection fill can reciprocate and can not exert an influence to the leakproofness.

The invention has the beneficial effects that: power unit passes through drive mechanism and can drives the rack and remove, and the rack can drive U type frame through the slide bar and remove, lets U type frame can be accurate move down or shift up, and U type frame can drive spacing roller accurate carry on spacingly to the material, and power unit can drive the elliptical wheel through the bull stick and rotate, and the elliptical wheel utilizes oval structure to drive the gyro wheel and reciprocates, and the gyro wheel shakes the piece through the vibration of collecting the production of fighting.

Drawings

Fig. 1 is a schematic front view of a laser cutting machine capable of improving cutting accuracy according to the present invention;

FIG. 2 is a schematic structural diagram of a U-shaped frame of a laser cutting machine capable of improving cutting accuracy according to the present invention;

FIG. 3 is a schematic diagram of a sliding sleeve rear view structure of a laser cutting machine according to the present invention, which can improve cutting accuracy;

FIG. 4 is a schematic perspective view of a worm wheel of a laser cutting machine according to the present invention, which can improve cutting accuracy;

fig. 5 is a schematic perspective view of a transmission disc of a laser cutting machine capable of improving cutting accuracy according to the present invention.

In the figure: 1. an operation table; 2. a power mechanism; 21. a motor; 22. a worm; 23. a bull gear; 24. a pinion gear; 25. a worm gear; 26. a transmission rod; 27. a sliding sleeve; 28. a hinged lever; 29. a slider; 3. a transmission mechanism; 31. a tooth block; 32. a connecting gear; 33. a drive plate; 34. a carriage; 35. a connecting seat; 36. a transmission frame; 37. a connecting rod; 38. a fluted disc; 39. a sliding frame; 4. a laser cutting frame; 5. a limiting sleeve; 6. a rack; 7. a slide bar; 8. a U-shaped frame; 9. a limiting roller; 10. a rotating rod; 11. an elliptical wheel; 12. a roller; 13. a collecting hopper; 14. and a limiting block.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-5, this embodiment provides a laser cutting machine capable of improving cutting precision, which includes an operation table 1 and a laser cutting frame 4 bolted to the top of the operation table 1, a limiting sleeve 5 bolted to the bottom end inside the operation table 1, a rack 6 slidably connected to the inside of the limiting sleeve 5, slide bars 7 slidably connected to the left end and the middle end of the rack 6, the protrusion of the rack 6 can slide in the slide hole of the slide bar 7 and drive the slide bar 7 to rotate, a U-shaped frame 8 slidably connected to the two slide bars 7 is disposed inside the operation table 1, the slide hole of the slide bar 7 slides on the protrusion of the U-shaped frame 8 and drives the U-shaped frame 8 to move, the top end and the bottom end of the rear side of the slide bar 7 are both provided with long hole-shaped slide holes, the hole on the rear side of the slide bar 7 is hinged to the inside of the operation table 1, a limiting block 14 slidably connected to the bottom end inside of the U-shaped frame 8, the rear side of the limiting block 14 is bolted to the inside of the operation table 1, the sliding hole at the bottom end of the sliding rod 7 is in sliding connection with the convex block of the rack 6, the rack 6 is convenient to drive the sliding rod 7 to rotate, the sliding hole at the top end of the sliding rod 7 can be in sliding connection with the convex block at the bottom end of the surface of the U-shaped frame 8, the top end of the sliding rod 7 rotates downwards in the arc-shaped rotating process of the sliding rod 7, the limiting block 14 is arranged with the U-shaped frame 8 in a sliding mode through the sliding rail, the U-shaped frame 8 can move up and down stably, two sides of the top end of the U-shaped frame 8 penetrate through the hole at the top of the operating platform 1 and are rotatably sleeved with the limiting roller 9, the U-shaped frame 8 can drive the limiting roller 9 to clamp materials, due to the structures of the rack 6, the sliding rod 7 and the U-shaped frame 8, the limiting roller 9 can move down accurately, the top end of the surface of the U-shaped frame 8 is in sliding connection with the hole at the top of the operating platform 1, the limiting roller 9 is located inside of the laser cutting frame 4, an operating plate is bolted between the top of the operating platform 1 and the inside of the laser cutting frame 4, the operation board is positioned at the bottom of the limiting roller 9, the U-shaped frame 8 is arranged with the operation table 1 in a sliding manner through the sliding rail, the U-shaped frame 8 can move up and down stably, the U-shaped frame 8 is convenient to clamp and limit materials through the limiting roller 9, the two limiting rollers 9 are close to the to-be-cut positions of the materials, the materials can be effectively clamped and limited, the materials are prevented from moving in the cutting process, the operation board is used for placing the materials, a clamp can be arranged at the top of the operation board and used for clamping and fixing the materials, a rotating rod 10 is rotatably sleeved at the middle end inside the operation table 1, the rotating rod 10 is rotatably arranged with the operation table 1 through a bearing, the rotating rod 10 can rotate stably, the elliptical wheel 11 is bolted at the left end and the middle end of the surface of the rotating rod 10, the idler wheels 12 are slidably connected at the top of the elliptical wheel 11, a collecting hopper 13 rotatably connected with the two idler wheels 12 is arranged inside the operation table 1, the rotating rod 10 can drive the elliptical wheel 11 to rotate, the top of the elliptical wheel 11 can move up and down in the rotating process by utilizing an elliptical structure, the elliptical wheel 11 can drive the roller 12 to move up and down, the roller 12 can reduce the friction between the roller 12 and the elliptical wheel 11 by rolling, the structural abrasion is avoided, the roller 12 can drive the collecting hopper 13 to vibrate up and down, the scraps stained on the inside of the collecting hopper 13 are vibrated down and discharged, the bottom of the collecting hopper 13 is communicated with an impurity discharging pipe, the bottom end of the impurity discharging pipe extends to the rear side of the operating platform 1, the top end of the surface of the impurity discharging pipe is of a hose structure, the top of the collecting hopper 13 is communicated with a collecting port at the top end of the inside of the operating platform 1, the top of the collecting hopper 13 is of a rubber structure, the collecting hopper 13 can discharge the impurity scraps through the impurity discharging pipe, the collecting hopper 13 is of an arc structure and can move down, the hose structure of the impurity discharging pipe enables the top end of the impurity discharging pipe to move up and down along with the collecting hopper 13, the rubber material at the top of the collecting hopper 13 enables the collecting hopper 13 to move up and down without influencing the sealing performance, the right end of the rotating rod 10 is bolted with a power mechanism 2, the rear side of the power mechanism 2 is connected with a transmission mechanism 3 in a sliding way, the transmission mechanism 3 is meshed with the rack 6, the power mechanism 2 is bolted with the operating platform 1, the transmission mechanism 3 is rotationally connected with the operating platform 1, the power mechanism 2 comprises a motor 21, a worm 22, a big gear 23 and a small gear 24, the left side of the motor 21 is bolted with the right side of the operating platform 1, the power supply of the motor 21 is switched on, the output end of the motor 21 penetrates through a hole on the right side of the operating platform 1 and is bolted with the right end of the worm 22, the motor 21 can drive the worm 22 to rotate, the surface of the worm 22 is rotatably sleeved with the inside of the operating platform 1, the left end of the worm 22 is bolted with the axle center on the right side of the big gear 23, the worm 22 is rotatably arranged with the operating platform 1 through a bearing, the worm 22 can rotate stably, vibration generated in the rotation process of the worm 22 is avoided, the worm 22 can drive the large gear 23 to rotate, teeth at the bottom of the large gear 23 are meshed with teeth at the top of the small gear 24, the large gear 23 can drive the small gear 24 to rotate, the axle center of the left side of the small gear 24 is bolted with the right end of the rotating rod 10, the motor 21 can drive the large gear 23 to rotate through the worm 22, the large gear 23 can drive the rotating rod 10 to rotate through the small gear 24, the worm 22 is rotatably arranged with the operating platform 1 through a bearing, the worm 22 can rotate stably, the power mechanism 2 further comprises a worm wheel 25, a transmission rod 26, a sliding sleeve 27, a hinge rod 28 and a sliding block 29, the surface of the worm 22 is meshed with the bottom of the worm wheel 25, the worm 22 can drive the worm wheel 25 to rotate, the top end of the rear side of the worm wheel 25 is bolted with the left end of the transmission rod 26, and the right end of the transmission rod 26 is hinged with the surface of the sliding sleeve 27, the interior of the sliding sleeve 27 is slidably connected with the surface of the hinge rod 28, the left end of the hinge rod 28 is hinged with the interior of the operation table 1, the worm wheel 25 can drive the transmission rod 26 to rotate, the transmission rod 26 can drive the sliding sleeve 27 to rotate, the sliding sleeve 27 slides on the surface of the hinge rod 28 and drives the hinge rod 28 to rotate, the axis of the worm wheel 25 is rotatably connected with the interior of the operation table 1, the right end of the transmission rod 26 inclines upwards, the worm 22 is positioned at the rear side of the U-shaped frame 8, the hinge rod 28 is positioned at the right side of the U-shaped frame 8, the worm wheel 25 is rotatably arranged with the operation table 1 through a bearing, so that the worm wheel 25 can rotate stably, the transmission rod 26 is convenient for the worm wheel 25 to drive the transmission rod 26 to rotate, the transmission rod 26 can drive the sliding sleeve 27 to move conveniently, the structure of the worm 22 and the U-shaped frame 8 can avoid interference and collision between the worm 22 and the U-shaped frame 8, the smooth transmission structure is ensured, and the positions of the hinge rod 28 and the U-shaped frame 8 can avoid mutual motion interference, the right end of the hinged rod 28 is hinged with the surface of the sliding block 29, the sliding block 29 is connected with the transmission mechanism 3 in a sliding way, the worm 22 can drive the transmission rod 26 through the worm wheel 25, the transmission rod 26 can drive the hinged rod 28 to rotate through the sliding sleeve 27, the hinged rod 28 can drive the transmission mechanism 3 to rotate through the sliding block 29, the hinged rod 28 can drive the sliding block 29 to rotate, the sliding block 29 can drive the transmission mechanism 3 to rotate, the transmission mechanism 3 comprises a tooth block 31, a connecting gear 32, a transmission disc 33 and a sliding frame 34, a sliding groove at the top end of the surface of the tooth block 31 is connected with the rear side of the sliding block 29 in a sliding way, the sliding block 29 slides in the sliding groove of the tooth block 31 and drives the tooth block 31 to rotate, the right side of the tooth block 31 is connected with the right side inside the operating platform 1 in a sliding way, the tooth block 31 is arranged with the operating platform 1 in a sliding way through a sliding way, so that the tooth block 31 can move up and down stably, teeth on the left side of the tooth block 31 are meshed with teeth on the connecting gear 32, the rear side of the connecting gear 32 is bolted to the surface of the transmission disc 33, the tooth block 31 can drive the connecting gear 32 to rotate, the connecting gear 32 can drive the transmission disc 33 to rotate, the axis of the transmission disc 33 is rotationally connected to the inside of the operation table 1, the sliding groove on the left side of the surface of the transmission disc 33 is slidably connected to the projection at the top end of the sliding frame 34, the sliding block 29 can drive the connecting gear 32 to rotate through the tooth block 31, the connecting gear 32 can drive the sliding frame 34 to move through the transmission disc 33, the sliding groove of the transmission disc 33 slides on the projection of the sliding frame 34 and drives the sliding frame 34 to move, the rear side of the sliding frame 34 is slidably connected to a sliding frame 39, the rear side of the sliding frame 39 is bolted to the inside of the operation table 1, the sliding frame 39 can limit the sliding of the sliding frame 34, the sliding frame 34 can move up and down stably, the sliding frame 34 is prevented from being driven by the transmission disc 33 to deviate, the transmission mechanism 3 further comprises a connecting seat 35 and a connecting seat 36, Connecting rod 37 and fluted disc 38, the bottom end of carriage 34 and the spout sliding connection at connecting seat 35 top, the bottom end of connecting seat 35 is articulated with the left end of drive frame 36, carriage 34 can slide in the spout of connecting seat 35 and drive connecting seat 35 to move, connecting seat 35 can drive frame 36 to rotate, the rear side of drive frame 36 is articulated with the inside of operation panel 1, the bottom end of drive frame 36 is articulated with the right end of connecting rod 37, drive frame 36 can drive connecting rod 37 to move, drive frame 36 is L-shaped structure, the structure of drive frame 36 can convert the up-and-down arc motion at the left end of drive frame 36 into the left-and-right arc motion at the bottom end of drive frame 36, the left end of connecting rod 37 is articulated with the top end of fluted disc 38, the axle center of fluted disc 38 is articulated with the inside of operation panel 1, the tooth at the bottom of fluted disc 38 meshes with the tooth at the right side at the top of rack 6, carriage 34 can drive frame 36 through connecting seat 35 to rotate, the transmission frame 36 can drive the fluted disc 38 to rotate through the connecting rod 37, the fluted disc 38 can drive the rack 6 to move, the connecting rod 37 can drive the fluted disc 38 to rotate, the fluted disc 38 can drive the rack 6 to move, the power mechanism 2 can drive the rack 6 to move through the transmission mechanism 3, the rack 6 can drive the U-shaped frame 8 to move through the slide bar 7, the U-shaped frame 8 can move down or move up accurately, the U-shaped frame 8 can drive the limiting roller 9 to limit the material accurately, the power mechanism 2 can drive the elliptical wheel 11 to rotate through the rotating rod 10, the elliptical wheel 11 drives the roller 12 to move up and down through the elliptical structure, the roller 12 shakes the chips through the vibration generated by the collecting hopper 13.

The working principle is as follows: the material is placed on an operation plate at the top of an operation table 1, the material is clamped by a clamp, the material can be cut by a laser cutting head in a laser cutting frame 4, a power supply of a motor 21 is switched on, the motor 21 can drive a worm 22 to rotate, the worm 22 is rotatably arranged with the operation table 1 through a bearing, the worm 22 can stably rotate, vibration generated in the rotation process of the worm 22 is avoided, the worm 22 can drive a gear wheel 23 to rotate, the gear wheel 23 can drive a pinion 24 to rotate, the pinion 24 can drive a rotating rod 10 to rotate, the rotating rod 10 is rotatably arranged with the operation table 1 through the bearing, the rotating rod 10 can stably rotate, the rotating rod 10 can drive an elliptical wheel 11 to rotate, the top of the elliptical wheel 11 is vertically moved in the rotation process by an elliptical structure, the elliptical wheel 11 can drive a roller 12 to vertically move, the roller 12 is rolled to reduce friction with the elliptical wheel 11, the structural wear is avoided, the roller 12 can drive the collecting hopper 13 to vibrate up and down, the scraps stained on the inside of the collecting hopper 13 are vibrated down and discharged, meanwhile, the worm 22 can drive the worm wheel 25 to rotate clockwise, the worm wheel 25 can drive the transmission rod 26 to rotate downwards, the transmission rod 26 can drive the sliding sleeve 27 to rotate downwards, the sliding sleeve 27 slides on the surface of the hinge rod 28 and drives the hinge rod 28 to rotate downwards, the hinge rod 28 can drive the sliding block 29 to rotate downwards, the sliding block 29 slides in the sliding groove of the tooth block 31 and drives the tooth block 31 to rotate downwards, the tooth block 31 can drive the connecting gear 32 to rotate clockwise, the connecting gear 32 can drive the transmission disc 33 to rotate clockwise, the sliding groove of the transmission disc 33 slides on the convex block of the sliding frame 34 and drives the sliding frame 34 to move upwards, the sliding frame 34 is limited in the sliding frame 39 in a sliding manner, the sliding frame 34 can move up and down stably, and down, the deviation driven by the transmission disc 33 which is 34 times that of the sliding frame is avoided, the sliding frame 34 can slide in the sliding groove of the connecting seat 35 and drive the connecting seat 35 to move upwards, the connecting seat 35 can drive the transmission frame 36 to rotate clockwise, the transmission frame 36 can drive the connecting rod 37 to move leftwards, the connecting rod 37 can drive the fluted disc 38 to rotate anticlockwise, the fluted disc 38 can drive the rack 6 to move rightwards, the rack 6 can slide and limit inside the limiting sleeve 5, the rack 6 can move leftwards and rightwards stably, teeth of the rack 6 and the fluted disc 38 are prevented from being separated, smooth transmission of the structure is ensured, a convex block of the rack 6 can slide in a sliding hole of the sliding rod 7 and drive the sliding rod 7 to rotate anticlockwise, the sliding hole of the sliding rod 7 slides on the convex block of the U-shaped frame 8 and drives the U-shaped frame 8 to move downwards, and the U-shaped frame 8 can drive the limiting roller 9 to clamp materials downwards, and the structure of the rack 6, the sliding rod 7 and the U-shaped frame 8 enables the limiting roller 9 to move downwards accurately.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A laser cutting machine capable of improving cutting precision comprises an operating table (1) and a laser cutting frame (4) bolted to the top of the operating table (1), and is characterized in that the bottom end inside the operating table (1) is bolted with a limiting sleeve (5), a rack (6) is connected to the inside of the limiting sleeve (5) in a sliding manner, sliding rods (7) are connected to the left end and the middle end of the rack (6) in a sliding manner, a U-shaped frame (8) connected with the two sliding rods (7) in a sliding manner is arranged inside the operating table (1), two sides of the top end of the U-shaped frame (8) penetrate through holes in the top of the operating table (1) and are rotatably sleeved with limiting rollers (9), a rotating rod (10) is rotatably sleeved at the middle end inside the operating table (1), an elliptical wheel (11) is bolted to the left end and the middle end of the surface of the rotating rod (10), and a roller (12) is connected to the top of the elliptical wheel (11) in a sliding manner, the collecting hopper (13) rotatably connected with the two rollers (12) is arranged in the operating table (1), the power mechanism (2) is bolted to the right end of the rotating rod (10), and the transmission mechanism (3) is slidably connected to the rear side of the power mechanism (2).

2. The laser cutting machine capable of improving the cutting precision is characterized in that the power mechanism (2) comprises a motor (21), a worm (22), a large gear (23) and a small gear (24), the left side of the motor (21) is bolted with the right side of the operating platform (1), the output end of the motor (21) penetrates through a hole in the right side of the operating platform (1) and is bolted with the right end of the worm (22), the surface of the worm (22) is rotatably sleeved with the inside of the operating platform (1), the left end of the worm (22) is bolted with the axle center of the right side of the large gear (23), the teeth at the bottom of the large gear (23) are meshed with the teeth at the top of the small gear (24), and the axle center of the left side of the small gear (24) is bolted with the right end of the rotating rod (10).

3. The laser cutting machine capable of improving the cutting precision is characterized in that the power mechanism (2) further comprises a worm wheel (25), a transmission rod (26), a sliding sleeve (27), a hinged rod (28) and a sliding block (29), the surface of the worm (22) is meshed with the bottom of the worm wheel (25), the top end of the rear side of the worm wheel (25) is bolted with the left end of the transmission rod (26), the right end of the transmission rod (26) is hinged with the surface of the sliding sleeve (27), the inside of the sliding sleeve (27) is connected with the surface of the hinged rod (28) in a sliding mode, the left end of the hinged rod (28) is hinged with the inside of the operating platform (1), the right end of the hinged rod (28) is hinged with the surface of the sliding block (29), and the sliding block (29) is connected with the transmission mechanism (3) in a sliding mode.

4. The laser cutting machine capable of improving the cutting accuracy is characterized in that the axis of the worm wheel (25) is rotatably connected with the inside of the operation table (1), the right end of the transmission rod (26) is inclined upwards, the worm (22) is positioned at the rear side of the U-shaped frame (8), and the hinge rod (28) is positioned at the right side of the U-shaped frame (8).

5. The laser cutting machine capable of improving the cutting precision is characterized in that the transmission mechanism (3) comprises a tooth block (31), a connecting gear (32), a transmission disc (33) and a sliding frame (34), a sliding groove at the top end of the surface of the tooth block (31) is in sliding connection with the rear side of the sliding block (29), teeth on the left side of the tooth block (31) are meshed with teeth on the right side of the connecting gear (32), the rear side of the connecting gear (32) is in bolt connection with the surface of the transmission disc (33), the shaft center of the transmission disc (33) is in rotating connection with the inside of the operation table (1), and the sliding groove on the left side of the surface of the transmission disc (33) is in sliding connection with a convex block at the top end of the sliding frame (34).

6. The laser cutting machine capable of improving the cutting accuracy according to claim 5, wherein the transmission mechanism (3) further comprises a connecting seat (35), a transmission frame (36), a connecting rod (37) and a toothed disc (38), the bottom end of the sliding frame (34) is slidably connected with a sliding groove at the top of the connecting seat (35), the bottom end of the connecting seat (35) is hinged with the left end of the transmission frame (36), the rear side of the transmission frame (36) is hinged with the inside of the operating table (1), the bottom end of the transmission frame (36) is hinged with the right end of the connecting rod (37), the left end of the connecting rod (37) is hinged with the top end of the toothed disc (38), the axial center of the toothed disc (38) is hinged with the inside of the operating table (1), and teeth at the bottom of the toothed disc (38) are meshed with teeth at the top right side of the rack (6).

7. The laser cutting machine capable of improving the cutting precision is characterized in that a sliding frame (39) is connected to the rear side of the sliding frame (34) in a sliding mode, the rear side of the sliding frame (39) is bolted to the inside of the operating platform (1), the right side of the tooth block (31) is connected to the right side of the inside of the operating platform (1) in a sliding mode, and the transmission frame (36) is of an L-shaped structure.

8. The laser cutting machine capable of improving the cutting precision according to claim 1, wherein the top end and the bottom end of the rear side of the sliding rod (7) are provided with long hole-shaped sliding holes, the hole of the rear side of the sliding rod (7) is hinged with the inside of the operating table (1), the bottom end of the inner side of the U-shaped frame (8) is connected with a limiting block (14) in a sliding manner, and the rear side of the limiting block (14) is bolted with the inside of the operating table (1).

9. The laser cutting machine capable of improving the cutting precision is characterized in that the top end of the surface of the U-shaped frame (8) is in sliding connection with a hole at the top of the operating platform (1), the limiting rollers (9) are positioned inside the laser cutting frame (4), an operating plate is bolted between the top of the operating platform (1) and the inside of the laser cutting frame (4), and the operating plate is positioned at the bottom of the limiting rollers (9).

10. The laser cutting machine capable of improving the cutting precision is characterized in that the bottom of the collecting hopper (13) is communicated with an impurity discharging pipe, the bottom end of the impurity discharging pipe extends to the rear side of the operating platform (1), the top end of the surface of the impurity discharging pipe is of a hose structure, the top of the collecting hopper (13) is communicated with a collecting port at the top end inside the operating platform (1), and the top of the collecting hopper (13) is of a rubber structure.