CN115533343A

CN115533343A - Adjustable numerical control laser cutting machine

Info

Publication number: CN115533343A
Application number: CN202211360839.7A
Authority: CN
Inventors: 李锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2022-12-30

Abstract

The invention provides an adjustable numerical control laser cutting machine, which relates to the technical field of laser cutting machines and comprises a workbench; the laser cutting machine is characterized in that a group of moving frames are mounted at the top end of the workbench, a group of moving bottom plates are slidably mounted at the right end inside the moving seat, a group of laser cutters are mounted at the side end of the moving seat, a group of positioning seats are slidably mounted on a positioning rod of the workbench, and a group of connecting frames are rotatably mounted on a limiting rotating shaft at the top ends of the positioning seats; the positioning plate has better adjustable performance, and can position and install the positioning surfaces of different positions and angles according to the cut pieces with different structures so as to carry out laser cutting; the laser cutter of the device is convenient to be quickly disassembled, assembled and maintained; the problem of be difficult for fixing a position the installation to its locating surface of different position angles by the cutting piece according to not isostructure is solved to carry out laser cutting, and the laser cutting ware of device need overhaul it after damaging, dismantle inconveniently, influence work efficiency easily is solved.

Description

Adjustable numerical control laser cutting machine

Technical Field

The invention relates to the technical field of laser cutting machines, in particular to an adjustable numerical control laser cutting machine.

Background

The numerical control cutting machine has the characteristics of high cutting speed, small cutting gap and the like in the cutting process; the design of the industrial main machine type machine tool ensures the high speed and stability of the laser cutting process, optical fiber lasers with different powers are selected and matched, various metals and materials can be cut and punched at high speed and precisely, and the following dynamic focusing device is matched, so that the cutting quality can be kept as same as one all the time in the cutting process.

For the existing adjustable numerical control laser cutting machine, positioning surfaces of different positions and angles of a cut piece with different structures are not easy to position and mount so as to carry out laser cutting; and when the laser cutter of the device needs to be overhauled after being damaged, the laser cutter is inconvenient to disassemble and easily influences the working efficiency.

Disclosure of Invention

In view of this, the invention provides an adjustable numerical control laser cutting machine, which has a gear and a tooth block, so that when the connecting frame rotates, the tooth block of the connecting frame is clamped and mounted on a gear slot of a top gear of the positioning seat under the action of the third elastic member, thereby facilitating adjustment of a mounting angle of the connecting frame.

The invention provides a purpose and an effect of an adjustable numerical control laser cutting machine, which specifically comprise a workbench;

the top end of the workbench is fixedly provided with a group of positioning rods, the top end of the workbench is provided with a group of moving frames, the moving frames are provided with a group of moving seats, the right end inside the moving seats is slidably provided with a group of moving bottom plates, the inside of the moving seats is also provided with a group of first elastic pieces, the moving seats are slidably provided with a group of moving rods, the right end of the moving rod is fixedly provided with a group of fixture blocks, the fixture blocks are in an inclined structure, the left end of the moving rod is provided with a group of pull rings, the side end of the moving seat is provided with a group of laser cutters, the inner sides of the laser cutters are provided with a group of clamping grooves, and the fixture blocks fixedly arranged at the right end of the moving rod are clamped and arranged on the clamping grooves arranged at the inner sides of the laser cutters, sliding mounting has a set of positioning seat on the locating lever of workstation, a set of clamping screw is installed to the outer end screw thread of positioning seat, clamping screw's bottom contacts with the top of locating lever, the fixed spacing pivot that is equipped with in top of positioning seat, the fixed a set of gear that is equipped with in top of spacing pivot, rotating mounting has a set of link in the spacing pivot on positioning seat top, the inside slidable mounting of link has a set of tooth piece, and the tooth piece joint of link is installed on the tooth's socket of positioning seat top gear, the third elastic component is still installed to the inside of link, the outer end slidable mounting of link has a set of locating plate, a set of fixed plate is installed to the screw thread on the locating plate.

Furthermore, a set of limiting columns is fixedly mounted on the moving rod, a set of side support is fixedly mounted at the left end of the moving seat, the moving rod is slidably mounted on the side support, a set of first elastic piece is sleeved on the moving rod, and the right end of the first elastic piece is in contact with the outer end face of the limiting columns.

Furthermore, the third elastic component is provided with two sets, the two sets of third elastic components are respectively sleeved on the guide rods arranged inside the connecting frame, and the inner end of the third elastic component is in contact with the outer end face of the tooth block.

Furthermore, a group of adjusting screws are rotatably mounted at the left end of the positioning plate, a group of threaded holes are formed in the left end of the bottom side of the fixing plate, and threaded holes formed in the left end of the bottom side of the fixing plate are threadedly mounted on the adjusting screws at the left end of the positioning plate.

Furthermore, a group of installation guide grooves are formed in the right end of the movable base, a group of installation guide blocks are fixedly arranged at the inner end of the laser cutter, and the installation guide blocks fixedly arranged at the inner end of the laser cutter are slidably inserted into the installation guide grooves formed in the right end of the movable base.

Furthermore, a group of guide blocks is fixedly arranged at the rear end of the positioning plate, a group of guide grooves are formed in the inner end of the connecting frame, and the guide blocks fixedly arranged at the rear end of the positioning plate are slidably mounted on the guide grooves formed in the inner end of the connecting frame.

Furthermore, the second elastic parts are provided with two groups, the two groups of second elastic parts are respectively sleeved on the inner sliding rods on two sides of the bottom end of the installation guide groove, and the top ends of the second elastic parts are in contact with the bottom surface of the movable bottom plate.

Furthermore, two groups of guide rods are fixedly mounted inside the connecting frame, a group of sliding holes are formed in two ends of the tooth block respectively, and the sliding holes in the two ends of the tooth block are slidably mounted on the guide rods inside the connecting frame respectively.

Furthermore, a group of inner sliding rods are fixedly arranged on two sides of the bottom end of the installation guide groove on the moving seat, a group of sliding holes are formed in two ends of the moving base plate, and the sliding holes formed in two ends of the moving base plate are respectively slidably arranged on the inner sliding rods on two sides of the bottom end of the installation guide groove.

Furthermore, a group of connecting rods is fixedly installed at the right end of the positioning plate, a group of sliding holes are formed in the right end of the bottom side of the fixing plate, and the sliding holes in the right end of the bottom side of the fixing plate are slidably installed on the connecting rods at the right end of the positioning plate.

Advantageous effects

The positioning plate of the adjustable numerical control laser cutting machine has better adjustable performance, and the mounting position and the angle of the positioning plate are convenient to adjust, so that the device can position and mount the positioning surfaces of different positions and angles of the positioning plate according to the cut pieces with different structures so as to carry out laser cutting; through the movable rod cooperation removal bottom plate, the fixed fixture block joint that is equipped with of movable rod right-hand member is installed on the draw-in groove of seting up in the laser cutting ware inboard to make the laser cutting ware of this device be convenient for quick assembly disassembly maintenance.

In addition, the positioning seat of the device and the left and right positions of the positioning plate are convenient to move and fix by the aid of a fixing screw rod which is arranged on the positioning rod of the workbench in a sliding mode and matched with the outer end of the positioning seat in a threaded mode, a guide block fixedly arranged at the rear end of the positioning plate is arranged in a guide groove formed in the inner end of the connecting frame in a sliding mode, so that the positioning plate is convenient to slide and adjust in the position of the inner end of the connecting frame, the connecting frame is rotated, sliding holes in two ends of the tooth block are respectively arranged on guide rods in the connecting frame in a sliding mode, the tooth block of the connecting frame is arranged on a tooth groove in the top end of the positioning seat in a clamping mode by matching with a third elastic piece, and the sliding hole in the right end of the bottom side of the fixing plate is arranged on a connecting rod at the right end of the positioning plate in a sliding mode; and some screw holes are arranged at the left end of the bottom side of the fixing plate and are arranged on the adjusting screw rod at the left end of the positioning plate in a threaded manner, the adjusting screw rod is rotated, the fixing plate which is arranged on the adjusting screw rod in a threaded manner moves downwards to clamp and fix the cut piece, and the connecting frame and the positioning plate of the device are convenient to adjust, so that the device can be positioned and installed on the positioning surfaces of the cut piece at different positions and angles according to different structures, and laser cutting is performed.

In addition, install on the installation guide slot that the removal seat right-hand member was seted up through the fixed installation guide block that is equipped with in laser cutterbar the inner slip grafting, the carriage release lever slidable mounting is on the side support, the fixture block is the italic structure, make the carriage release lever move to the outer end, when laser cutterbar removes to the installation position, under the effect of second elastic component, the carriage release lever moves to the inner, the fixed fixture block joint that is equipped with of carriage release lever right-hand member is installed on the draw-in groove that has been seted up in laser cutterbar inboard, thereby make laser cutterbar be convenient for quick installation, when laser cutterbar damages need dismantle the maintenance, outwards stimulate the carriage release lever, the fixed fixture block that is equipped with of carriage release lever right-hand member breaks away from with the draw-in groove that has been seted up in laser cutterbar inboard, the sliding hole that sets up in carriage release lever both ends respectively slidable mounting is on the interior slide bar of installation guide slot bottom both sides, cooperate the second elastic component, make the carriage release lever of this device upwards move, drive laser cutterbar upwards pop out, thereby make this device be convenient for quick dismouting maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

FIG. 1 is a front side axial view schematic of an adjustable, digitally controlled laser cutting machine according to an embodiment of the present invention.

FIG. 2 is a schematic view of a positioning plate of the adjustable, digitally controlled laser cutting machine of an embodiment of the present invention.

Fig. 3 is a schematic diagram of the assembly and disassembly of the positioning plate of the adjustable numerical control laser cutting machine according to the embodiment of the invention.

FIG. 4 is a schematic side end sectional view of an attachment bracket of an adjustable, digitally controlled laser cutting machine according to an embodiment of the present invention.

FIG. 5 is a top cross-sectional schematic view of an attachment bracket of an adjustable, digitally controlled laser cutting machine according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of the assembly and disassembly of a laser cutter of the adjustable numerically controlled laser cutting machine according to an embodiment of the present invention.

FIG. 7 is a right end schematic cross-sectional view of a movable base of the adjustable numerically controlled laser cutting machine according to an embodiment of the present invention.

FIG. 8 is a schematic cross-sectional view of the front end of the movable base of the adjustable, digitally controlled laser cutting machine according to an embodiment of the present invention.

List of reference numerals

1. A work table; 101. positioning a rod; 2. a movable frame; 3. a movable seat; 301. installing a guide groove; 3011. an inner slide bar; 302. moving the base plate; 303. a first elastic member; 304. a travel bar; 3041. a clamping block; 3042. a pull ring; 3043. a limiting post; 305. a side bracket; 306. a second elastic member; 4. a laser cutter; 401. installing a guide block; 4011. a card slot; 5. positioning seats; 501. fixing the screw rod; 502. a limiting rotating shaft; 5021. a gear; 6. a connecting frame; 601. a guide groove; 602. a tooth block; 603. a guide bar; 604. a third elastic member; 7. positioning a plate; 701. a connecting rod; 702. adjusting the screw rod; 703. a guide block; 704. and (7) fixing the plate.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

Example (b): please refer to fig. 1 to 8:

the invention provides an adjustable numerical control laser cutting machine, which comprises a workbench 1;

a set of positioning rods 101 is fixedly arranged at the top end of a workbench 1, a set of moving frame 2 is arranged at the top end of the workbench 1, a set of moving seat 3 is arranged on the moving frame 2, a set of moving bottom plate 302 is slidably arranged at the right end inside the moving seat 3, a set of first elastic member 303 is further arranged inside the moving seat 3, a set of moving rod 304 is slidably arranged on the moving seat 3, a set of clamping blocks 3041 is fixedly arranged at the right end of the moving rod 304, the clamping blocks 3041 are of an inclined structure, a set of pull rings 3042 are arranged at the left end of the moving rod 304, a set of laser cutter 4 is arranged at the side end of the moving seat 3, a set of clamping grooves 4011 are arranged at the inner side of the laser cutter 4, and the clamping blocks 3041 fixedly arranged at the right end of the moving rod 304 are clamped and arranged on clamping grooves 4011 arranged at the inner side of the laser cutter 4, slidable mounting has a set of positioning seat 5 on workstation 1's the locating lever 101, a set of clamping screw 501 is installed to the outer end screw thread of positioning seat 5, clamping screw 501's bottom contacts with the top of locating lever 101, the fixed spacing pivot 502 that is equipped with in top of positioning seat 5, the fixed a set of gear 5021 that is equipped with in top of spacing pivot 502, rotate on the spacing pivot 502 on positioning seat 5 top and install a set of link 6, the inside slidable mounting of link 6 has a set of tooth piece 602, and the tooth piece 602 joint of link 6 is installed on the tooth's socket of 5 top gears 5021 of positioning seat, third elastic component 604 is still installed to the inside of link 6, the outer end slidable mounting of link 6 has a set of locating plate 7, threaded mounting has a set of fixed plate 704 on locating plate 7.

As shown in fig. 1 to 5, a set of connecting rods 701 is fixedly mounted at the right end of the positioning plate 7, a set of sliding holes is formed at the right end of the bottom side of the fixing plate 704, the sliding holes at the right end of the bottom side of the fixing plate 704 are slidably mounted on the connecting rods 701 at the right end of the positioning plate 7, a set of adjusting screws 702 is rotatably mounted at the left end of the positioning plate 7, a set of threaded holes is formed at the left end of the bottom side of the fixing plate 704, and the threaded holes formed at the left end of the bottom side of the fixing plate 704 are threadedly mounted on the adjusting screws 702 at the left end of the positioning plate 7, a set of guide blocks 703 is fixedly mounted at the rear end of the positioning plate 7, a set of guide grooves 601 is formed at the inner end of the connecting frame 6, two sets of guide rods 603 are fixedly mounted inside the connecting frame 6, a set of sliding holes are respectively formed at two ends of the tooth blocks 602, the sliding holes at two ends of the tooth blocks 602 are slidably mounted on the guide rods 603 inside the connecting frame 6, the third elastic members 604 are provided in two sets, and the two sets of the third elastic members 604 are respectively sleeved on the guide rods 603 inside the connecting frame 6, and the outer end surfaces of the tooth blocks 604 are in contact with the outer end surfaces of the tooth blocks 602; specifically, the positioning seat 5 is slidably mounted on the positioning rod 101 of the workbench 1, and is matched with a fixing screw 501 mounted at the outer end of the positioning seat 5 in a threaded manner, so that the left and right positions of the positioning seat 5 and the positioning plate 7 of the device are convenient to move and fix, a guide block 703 fixedly arranged at the rear end of the positioning plate 7 is slidably mounted on a guide groove 601 formed in the inner end of the connecting frame 6, so that the position of the positioning plate 7 in the inner end of the connecting frame 6 is convenient to slide and adjust, the connecting frame 6 is rotated, sliding holes at two ends of a toothed block 602 are respectively slidably mounted on a guide rod 603 in the connecting frame 6, and matched with a third elastic piece 604, so that the toothed block 602 of the connecting frame 6 is clamped and mounted on a tooth groove of a gear 5021 at the top end of the positioning seat 5, and a sliding hole at the right end of the fixing plate 704 is slidably mounted on a connecting rod 701 at the right end of the positioning plate 7; and some screw holes are arranged at the left end of the bottom side of the fixing plate 704 and are arranged on the adjusting screw rod 702 at the left end of the positioning plate 7 in a threaded manner, the adjusting screw rod 702 is rotated, so that the fixing plate 704 arranged on the adjusting screw rod 702 in a threaded manner moves downwards to clamp and fix the cut piece, the connecting frame 6 of the device and the mounting angle of the positioning plate 7 are convenient to adjust, the device can be used for positioning and mounting the positioning surfaces of the cut pieces with different positions and angles according to different structures, and laser cutting is carried out.

As shown in fig. 6 to 8, a set of installation guide slot 301 is formed at the right end of the movable base 3, a set of installation guide block 401 is fixedly disposed at the inner end of the laser cutter 4, the installation guide block 401 fixedly disposed at the inner end of the laser cutter 4 is slidably inserted into the installation guide slot 301 formed at the right end of the movable base 3, a set of inner slide bars 3011 is fixedly disposed at each of the two sides of the bottom end of the installation guide slot 301 on the movable base 3, a set of slide holes is formed at each of the two ends of the movable base 302, the slide holes formed at each of the two ends of the movable base 302 are slidably mounted on the inner slide bars 3011 at each of the two sides of the bottom end of the installation guide slot 301, two sets of second elastic members 306 are disposed at the same time, the two sets of second elastic members 306 are respectively sleeved on the inner slide bars 3011 at each of the two sides of the bottom end of the installation guide slot 301, the top end of the second elastic member 306 is in contact with the bottom surface of the movable base 302, a set of limit post 3043 is fixedly disposed on the movable rod 304, a set of limit post 3043 is fixedly mounted on the side bracket 305, the movable rod 304 is slidably mounted on the side bracket 305, a set of the movable rod 304 is mounted on the first elastic member 303, and the movable rod 304 is sleeved on the first elastic member 303, and the right end surface of the limit post 3043 is in contact with the outer end surface 3043; the specific function is that the installation guide block 401 fixedly arranged at the inner end of the laser cutter 4 is slidably inserted and installed on the installation guide groove 301 arranged at the right end of the moving seat 3, the moving rod 304 is slidably installed on the side bracket 305, the fixture block 3041 is of an oblique structure, the moving rod 304 is moved towards the outer end, when the laser cutter 4 moves to the installation position, under the action of the second elastic part 306, the moving rod 304 is moved towards the inner end, the fixture block 3041 fixedly arranged at the right end of the moving rod 304 is clamped and installed on the clamping groove 4011 arranged at the inner side of the laser cutter 4, so that the laser cutter 4 is convenient to be quickly installed, when the laser cutter 4 is damaged and needs to be disassembled and maintained, the moving rod 304 is pulled outwards, the fixture block 3041 fixedly arranged at the right end of the moving rod 304 is separated from the clamping groove 4011 arranged at the inner side of the laser cutter 4, the sliding holes respectively arranged at the two ends of the moving bottom plate 302 are slidably installed on the inner sliding rods 3011 at the two sides of the bottom end of the installation guide groove 301, and are matched with the second elastic part 306, so that the moving bottom plate 302 is upwards moved, and the laser cutter 4 is convenient to be quickly disassembled and maintained and assembled and disassembled.

The specific use mode and function of the embodiment are as follows: in the invention, a positioning seat 5 is slidably mounted on a positioning rod 101 of a workbench 1 and is matched with a fixing screw 501 which is installed at the outer end of the positioning seat 5 in a threaded manner, so that the left and right positions of the positioning seat 5 and a positioning plate 7 of the device are convenient to move and fix, a guide block 703 which is fixedly arranged at the rear end of the positioning plate 7 is slidably mounted on a guide groove 601 which is formed in the inner end of a connecting frame 6, so that the positioning plate 7 is convenient to slide and adjust in the inner end position of the connecting frame 6, the connecting frame 6 is rotated, sliding holes at two ends of a tooth block 602 are respectively slidably mounted on a guide rod 603 in the connecting frame 6 and are matched with a third elastic part 604, so that the tooth block 602 of the connecting frame 6 is clamped and mounted on a tooth groove of a gear 5021 at the top end of the positioning seat 5, and a sliding hole at the right end of the bottom side of a fixing plate 704 is slidably mounted on a connecting rod 701 at the right end of the positioning plate 7; the left end of the bottom side of the fixing plate 704 is provided with a threaded hole and is installed on the adjusting screw 702 at the left end of the positioning plate 7 in a threaded manner, the adjusting screw 702 is rotated, so that the fixing plate 704 which is installed on the adjusting screw 702 in a threaded manner moves downwards to clamp and fix the cut piece, and the installation angles of the connecting frame 6 and the positioning plate 7 of the device are convenient to adjust, so that the device can be used for positioning and installing positioning surfaces with different position angles according to the cut pieces with different structures so as to carry out laser cutting; the installation guide block 401 fixedly arranged at the inner end of the laser cutter 4 is slidably inserted and installed on the installation guide groove 301 arranged at the right end of the movable seat 3, the movable rod 304 is slidably installed on the side bracket 305, the fixture block 3041 is of an inclined structure, the movable rod 304 can move towards the outer end, when the laser cutter 4 moves to the installation position, under the action of the second elastic piece 306, the movable rod 304 can move towards the inner end, the fixture block 3041 fixedly arranged at the right end of the movable rod 304 can be clamped and installed on the fixture groove 4011 arranged at the inner side of the laser cutter 4, so that the laser cutter 4 can be conveniently and quickly installed, when the laser cutter 4 is damaged and needs to be disassembled and maintained, the movable rod 304 is outwards pulled, the fixture block 3041 fixedly arranged at the right end of the movable rod 304 can be separated from the fixture groove 4011 arranged at the inner side of the laser cutter 4, the sliding holes formed at the two ends of the movable bottom plate 302 can be respectively slidably installed on the inner sliding rods 3011 at the two sides of the bottom end of the installation guide groove 301, and matched with the second elastic piece 306, so that the movable bottom plate 302 can move upwards, and drive the laser cutter 4 to upwards, and drive the laser cutter 4 upwards, and further facilitate the quick disassembly and assembly and maintenance of the device.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. An adjustable numerical control laser cutting machine is characterized by comprising a workbench (1);

the top end of the workbench (1) is fixedly provided with a group of positioning rods (101), the top end of the workbench (1) is provided with a group of moving frame (2), the moving frame (2) is provided with a group of moving seat (3), the right end inside the moving seat (3) is slidably provided with a group of moving bottom plate (302), the moving seat (3) is also internally provided with a group of first elastic parts (303), the moving seat (3) is slidably provided with a group of moving rod (304), the right end of the moving rod (304) is fixedly provided with a group of fixture blocks (3041), the fixture blocks (3041) are in an inclined structure, the left end of the moving rod (304) is provided with a group of pull rings (3042), the side end of the moving seat (3) is provided with a group of laser cutters (4), the inner side of the laser cutters (4) is provided with a group of clamping grooves (4011), the fixture blocks (3041) fixedly arranged at the right end of the moving rod (304) are clamped and arranged on the clamping grooves (4011) arranged at the inner side of the laser cutters (4), the bottom end (101) of the workbench (1) is provided with a group of positioning seats (5), the top end of the fixed with a group of fixed screw (501), the fixed screw rod (501), the top end of the fixed screw (502) is in contact with a group of the top end of the limiting screw (502), the positioning seats (502) and the top end of the fixed screw (502) of the set of the positioning seats (501), a set of link (6) is installed in rotation on spacing pivot (502) on positioning seat (5) top, the inside slidable mounting of link (6) has a set of tooth piece (602), and tooth piece (602) joint of link (6) is installed on the tooth's socket of positioning seat (5) top gear (5021), third elastic component (604) are still installed to the inside of link (6), the outer end slidable mounting of link (6) has a set of locating plate (7), a set of fixed plate (704) is installed to screw thread on locating plate (7).

2. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: the right end of the positioning plate (7) is fixedly provided with a group of connecting rods (701), the right end of the bottom side of the fixing plate (704) is provided with a group of sliding holes, and the sliding holes at the right end of the bottom side of the fixing plate (704) are slidably arranged on the connecting rods (701) at the right end of the positioning plate (7).

3. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: the left end of the positioning plate (7) is rotatably provided with a group of adjusting screws (702), the left end of the bottom side of the fixing plate (704) is provided with a group of threaded holes, and the left end of the bottom side of the fixing plate (704) is provided with threaded holes which are arranged on the adjusting screws (702) at the left end of the positioning plate (7) in a threaded manner.

4. An adjustable, digitally controlled, laser cutting machine as claimed in claim 1, wherein: the rear end of the positioning plate (7) is fixedly provided with a group of guide blocks (703), the inner end of the connecting frame (6) is provided with a group of guide grooves (601), and the guide blocks (703) fixedly arranged at the rear end of the positioning plate (7) are slidably arranged on the guide grooves (601) formed in the inner end of the connecting frame (6).

5. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: two groups of guide rods (603) are fixedly mounted inside the connecting frame (6), a group of sliding holes are formed in two ends of the tooth block (602) respectively, and the sliding holes in the two ends of the tooth block (602) are slidably mounted on the guide rods (603) inside the connecting frame (6) respectively.

6. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: the third elastic pieces (604) are provided with two groups, the two groups of third elastic pieces (604) are respectively sleeved on guide rods (603) arranged in the connecting frame (6), and the inner ends of the third elastic pieces (604) are in contact with the outer end face of the tooth block (602).

7. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: the right end of the movable seat (3) is provided with a group of installation guide grooves (301), the inner end of the laser cutter (4) is fixedly provided with a group of installation guide blocks (401), and the installation guide blocks (401) fixedly arranged at the inner end of the laser cutter (4) are installed on the installation guide grooves (301) formed in the right end of the movable seat (3) in a sliding and inserting mode.

8. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: two sides of the bottom end of the installation guide groove (301) on the moving seat (3) are respectively fixedly provided with a group of inner sliding rods (3011), two ends of the moving bottom plate (302) are respectively provided with a group of sliding holes, and the sliding holes arranged at the two ends of the moving bottom plate (302) are respectively slidably installed on the inner sliding rods (3011) on the two sides of the bottom end of the installation guide groove (301).

9. An adjustable numerically controlled laser cutting machine as in claim 1, wherein: the second elastic pieces (306) are provided with two groups, the two groups of second elastic pieces (306) are respectively sleeved on the inner sliding rods (3011) on two sides of the bottom end of the installation guide groove (301), and the top ends of the second elastic pieces (306) are in contact with the bottom surface of the movable bottom plate (302).

10. An adjustable, digitally controlled, laser cutting machine as claimed in claim 1, wherein: a set of limiting columns (3043) is fixedly mounted on the moving rod (304), a set of side support (305) is fixedly mounted at the left end of the moving seat (3), the moving rod (304) is slidably mounted on the side support (305), a set of first elastic piece (303) is mounted on the moving rod (304) in a sleeved mode, and the right end of the first elastic piece (303) is in contact with the outer end face of the limiting columns (3043).