CN218426290U

CN218426290U - Centering structure and laser three-dimensional cutting device

Info

Publication number: CN218426290U
Application number: CN202222980500.9U
Authority: CN
Inventors: 吴承恩
Original assignee: Foshan Banggong Mechanical Equipment Co ltd
Current assignee: Foshan Banggong Mechanical Equipment Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-02-03
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to a material cutting technical field, especially a centering structure and three-dimensional cutting device of laser, including the driver, the drive end of driver both sides is provided with the clamp material subassembly respectively, the drive end drive clamp material subassembly relative motion of driver both sides, the clamp material subassembly includes slurcam and clamp splice, the one end of slurcam is connected with the drive end of driver, the other end of slurcam is provided with the mounting groove of installation clamp splice, the clamp splice is rotatable to be installed in the mounting groove, the clamp splice rotates around the X axle, the clamp splice is equipped with the concave position of clamping, two sets of clamp material subassembly positions are relative installs in the driver, the concave position of clamping of the clamp splice of two sets of clamp material subassemblies forms the clamp hole, the clamp hole plays the positioning action to the work piece at the in-process of work piece cutting, prevent that the work piece from rocking, the clamp splice and can drive the work piece rotation, other faces of the cutting work piece are convenient for at the in-process of cutting.

Description

Centering structure and laser three-dimensional cutting device

Technical Field

The utility model relates to a material cutting technical field, especially a centering structure and three-dimensional cutting device of laser.

Background

Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize, ablate or reach a burning point of the irradiated workpiece, and simultaneously blow off molten substances with the help of high-speed airflow coaxial with the beam, thereby realizing the cutting of the workpiece.

The workpiece is placed below the laser cutting head, the workpiece is positioned by the fixing mechanism, and the laser cutting head prevents the workpiece from shaking or swinging in the process of cutting the workpiece, so that accurate cutting can be realized.

The existing fixing mechanism cannot rotate a workpiece in the process of cutting the workpiece by laser, when the workpiece needs to be cut by another surface, the fixing mechanism needs to be opened to rotate the workpiece, replace the other tangent plane and fix the workpiece, so that a lot of inconvenience, time consumption and the like are caused in the cutting process, and the workpiece is not beneficial to cutting.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect, the utility model aims to provide a centering structure and three-dimensional cutting device of laser, centering structure's catch plate is provided with the mounting groove of installation clamp splice, and the clamp splice is rotatable to be installed in the mounting groove, and when the work piece presss from both sides in the double-layered downthehole, the clamp splice is rotatable to be followed the work piece and rotated, changes to another tangent plane of work piece, cuts, need not open centering structure repeatedly at the cutting process.

To achieve the purpose, the utility model adopts the following technical proposal:

a centering structure comprises a driver, wherein the driving ends on two sides of the driver are respectively provided with a clamping assembly, and the driving ends on two sides of the driver drive the clamping assemblies to move oppositely; the clamping assembly comprises a pushing plate and a clamping block, one end of the pushing plate is connected with the driving end of the driver, the other end of the pushing plate is provided with a mounting groove for mounting the clamping block, the clamping block is rotatably mounted in the mounting groove, and the clamping block rotates around an X axis; the clamping blocks are provided with clamping concave positions, the clamping assemblies are oppositely arranged on the driver, and clamping holes are formed in the clamping concave positions of the clamping blocks of the clamping assemblies.

Preferably, the mounting groove is semi-cylindrical, and a sliding groove is arranged on the side surface of the mounting groove; the clamping block is semi-cylindrical, a sliding block is arranged on the side face of the clamping block, and the sliding block is installed in the sliding groove and is in sliding fit with the sliding groove.

Preferably, the cross sections of the sliding groove and the sliding block are both T-shaped, and the sliding block and the sliding groove are in clearance fit.

Preferably, the driver is a double-head cylinder, and a driving rod of the double-head cylinder is connected with the pushing plate.

A laser three-dimensional cutting device comprises a box body, a chuck, a driving assembly, a laser cutting head and the centering structure; the clamping head is fixedly arranged on one side in the box body, a fixing hole is formed in the center of the clamping head, a feeding hole is formed in one side of the box body, the centering structure is arranged in the box body, and the central axes of the feeding hole, the fixing hole and the clamping hole are located on the same straight line; the laser cutting head is arranged at one end of the driving assembly and is positioned on one side of the clamping hole.

Preferably, the driving assembly comprises a Y-axis driving part, an X-axis driving part and a Z-axis driving part, and the Y-axis driving part, the X-axis driving part and the Z-axis driving part are matched with one another to drive the laser cutting head to move along the X axis, the Y axis and the Z axis.

Preferably, the Y-axis driving part includes a Y-axis slide bar, a Y-axis slide plate, a first motor and a first transmission rod; the Y-axis sliding strip is arranged on one side of the fixing hole in parallel, and the Y-axis sliding plate is arranged at the top end of the Y-axis sliding strip in a sliding manner; the two sides of the Y-axis sliding strip are respectively provided with a first installation block for installing the first transmission rod, the first transmission rod is rotatably installed on the first installation block, the first motor is arranged at one end of the first transmission rod, and the Y-axis sliding plate is in transmission fit with the first transmission rod.

Preferably, the X-axis driving part includes an X-axis slider, a second motor, and a second transmission rod; the X-axis sliding strip is arranged on the Y-axis sliding plate, and the X-axis sliding plate is arranged at the top end of the X-axis sliding strip in a sliding manner; and second mounting blocks for mounting the second transmission rod are respectively arranged on two sides of the X-axis sliding strip, the second transmission rod is rotatably mounted on the second mounting blocks, the second motor is arranged at one end of the second transmission rod, and the X-axis sliding plate is in transmission fit with the second transmission rod.

Preferably, the Z-axis driving part comprises a Z-axis slide bar, a Z-axis slide plate, a third motor and a third transmission rod; the top of the X-axis sliding plate is provided with a fixed plate, the Z-axis sliding strip is installed on one side of the fixed plate, the Z-axis sliding plate is installed on the side surface of the Z-axis sliding strip in a sliding mode, and two sides of the Z-axis sliding plate extend towards the inside of the Z-axis sliding strip; the third transmission rod is installed inside the Z-axis sliding strip, two ends of the third transmission rod are rotatably installed at the upper end and the lower end of the Z-axis sliding strip, the third motor is arranged at one end of the third transmission rod, and the Z-axis sliding plate is in transmission fit with the third transmission rod.

Preferably, the laser cutting head is fixedly installed at one end of the Z-axis sliding plate, and the laser cutting head corresponds to the centering structure.

The utility model provides a technical scheme can include following beneficial effect: the clamp splice is rotatable to be installed in the mounting groove, and the concave position of clamping of the clamp splice of clamp material subassembly forms the clamp hole, and the work piece presss from both sides when pressing from both sides the hole, and the work piece can follow the clamp splice and rotate together, is convenient for cut other faces of work piece, and the work piece is at the rotation in-process, and the clamp splice can play the positioning action to the work piece again, prevents that the work piece from rocking at the rotation in-process.

Drawings

Fig. 1 is a schematic structural view of a centering structure in an open state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a laser three-dimensional cutting device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the laser three-dimensional cutting apparatus shown in FIG. 2 with the box removed;

fig. 4 is an enlarged schematic view of the laser three-dimensional cutting device a shown in fig. 3.

Wherein: 1-a driver, 2-a material clamping component, 3-a clamping hole, 4-a sliding block, 5-a box body, 6-a chuck, 7-a driving component, 8-a laser cutting head, 9-a fixing plate, a pushing plate, 22-a clamping block, 51-a feeding hole and 61-a fixing hole;

71-Y axis driving part, 72-X axis driving part and 73-Z axis driving part;

711-Y-axis slide bar, 712-Y-axis slide plate, 713-first motor, 714-first mounting block;

721-X axis slide bar, 722-X axis slide plate, 723-second motor, 724-second mounting block;

731-Z axis slide bar, 732-Z axis slide plate, 733-third motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A centering structure and a laser three-dimensional cutting device according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

A centering structure comprises a driver 1, wherein driving ends on two sides of the driver 1 are respectively provided with a clamping assembly 2, and the driving ends on the two sides of the driver 1 drive the clamping assemblies 2 to move oppositely; the clamping assembly 2 comprises a pushing plate 21 and a clamping block 22, one end of the pushing plate 21 is connected with the driving end of the driver 1, the other end of the pushing plate 21 is provided with a mounting groove for mounting the clamping block 22, the clamping block 22 is rotatably mounted in the mounting groove, and the clamping block 22 rotates around an X axis; the clamping blocks 22 are provided with clamping concave positions, the two groups of clamping components 2 are arranged on the driver 1 in opposite positions, and the clamping concave positions of the clamping blocks 22 of the two groups of clamping components 2 form clamping holes 3.

The centering structure of the embodiment of the scheme is used for positioning the workpiece. The clamp splice 22 of this embodiment rotates to be installed in the mounting groove, and when the work piece pressed from both sides at double-layered hole 3, clamp splice 22 can drive the work piece and rotate, is convenient for cut other faces of work piece.

The drive end of 1 both sides of driver is provided with respectively presss from both sides material subassembly 2, and the cooperation action of pressing from both sides material subassembly 2 in both sides is installed in the drive of driver 1 drive, and two sets of pressing from both sides material subassembly 2 can move simultaneously, and driver 1 drive two sets of pressing from both sides material subassembly 2 opens simultaneously and closes. The driver 1 drives the two groups of clamping components 2 to open, namely the clamping concave positions of the two groups of clamping blocks 22 are far away, so that the clamping hole 3 is opened, a workpiece can be placed into the clamping hole 3, the driver 1 drives the two groups of clamping components 2 to close, namely the clamping hole 3 formed by the clamping concave positions of the two groups of clamping blocks 22 is closed, and the workpiece is clamped. The workpiece can rotate along with the clamping block 22, and after one surface of the workpiece is machined, the clamping block 22 rotates to enable the workpiece to be turned over, so that the other surface of the workpiece can be machined. The clamping block 22 can also position the workpiece during machining, and prevent the workpiece from shaking during rotation.

The shape of the clamping hole 3 can be customized according to the shape of the workpiece, and the applicability is strong.

Furthermore, the mounting groove is semi-cylindrical, and a sliding groove is arranged on the side surface of the mounting groove; the clamping block 22 is semi-cylindrical, a sliding block 4 is arranged on the side face of the clamping block 22, and the sliding block 4 is installed in the sliding groove and is in sliding fit with the sliding groove.

The sliding block 4 is in a semicircular ring shape, is slidably arranged in the sliding groove and is matched with the clamping block 22 to rotate. The mounting grooves of the two groups of pushing plates 21 form a circular ring shape when in a closed state. The sliding blocks 4 respectively installed in the two sets of installation grooves can slide to the other installation groove. When the both ends of slider 4 were located two sets of mounting grooves respectively, because slider 4 was the semicircle annular, slider 4 played the buckle effect, played spacingly to two sets of double-layered material subassembly 2, and two sets of double-layered material subassembly 2 can't open, can only slide respectively when getting back to two sets of mounting grooves when two sets of slider 4, and two sets of double-layered material subassembly 2 just can open.

Further, the cross sections of the sliding groove and the sliding block 4 are both T-shaped, and the sliding block 4 is in clearance fit with the sliding groove. The cross section is fine limiting effect can be played to spout and slider 4 of T font, and slider 4 effectively prevents phenomenons such as dropping at gliding in-process and takes place. The sliding block 4 is in clearance fit with the sliding groove, so that the sliding block 4 can slide more smoothly.

Specifically, the driver 1 is a double-headed cylinder, and a driving rod of the double-headed cylinder is connected with the push plate 21. The driver 1 is a double-head cylinder and can push the clamping components 2 arranged on two sides, and can synchronously push the two groups of clamping components 2 in the working process, so that the other ends of the push plates 21 of the two groups of clamping components 2 can drive the clamping blocks 22 to work cooperatively.

The utility model also provides a laser three-dimensional cutting device, which comprises a box body 5, a chuck 6, a driving component 7, a laser cutting head 8 and the centering structure; the clamping head 6 is fixedly arranged on one side inside the box body 5, the center of the clamping head 6 is provided with a fixing hole 61, one side of the box body 5 is provided with a feeding hole 51, the centering structure is arranged inside the box body 1, and the central axes of the feeding hole 51, the fixing hole 61 and the clamping hole 3 are positioned on the same straight line; the driving assembly 7 is installed in the box body 5 and located on one side of the centering structure, the laser cutting head 8 is installed at one end of the driving assembly 7, and the laser cutting head 8 is located on one side of the clamping hole 3.

In another embodiment of the scheme, the driving assembly 7 is installed on one side of the centering structure, the laser cutting head 8 is located on one side of the clamping hole 3, and the centering structure can play a role in positioning the workpiece in cutting the workpiece, so that the workpiece is prevented from shaking in the cutting process.

The feed hole 51, the fixing hole 61 and the clamp hole 3 are concentric, so that a workpiece can be positioned conveniently, and the workpiece can enter from the feed hole 51 and pass through the fixing hole 61 and the clamp hole 3, so that feeding and positioning are realized.

The driving assembly 7 moves the laser cutting head 8 to cut the workpiece, after the laser cutting head 8 finishes cutting one surface of the workpiece, the chuck 6 drives the workpiece to rotate to another processing surface, in the rotating process, the clamping hole 3 can also rotate along with the workpiece in a state of clamping the workpiece, the clamping hole 3 does not need to be opened, and the workpiece is loosened. The cutting process is convenient, time-saving and labor-saving.

Specifically, the driving assembly 7 comprises a Y-axis driving part 71, an X-axis driving part 72 and a Z-axis driving part 73, wherein the Y-axis driving part 71, the X-axis driving part 72 and the Z-axis driving part 73 are matched to drive the laser cutting head 8 to move along the X-axis, the Y-axis and the Z-axis.

The Y-axis drive section 71, the X-axis drive section 72, and the Z-axis drive section 73 are capable of driving the laser cutting head 8 to move in three axes of the Y-axis, the X-axis, and the Z-axis. The Y-axis driving part 71, the X-axis driving part 72 and the Z-axis driving part 73 can be linked simultaneously, so that the laser cutting head 8 is driven to move conveniently, and time is saved in the moving process.

Further, the Y-axis driving part 71 includes a Y-axis slide 711, a Y-axis slide 712, a first motor 713, and a first transfer lever; a Y-axis sliding strip 711 is arranged at one side of the fixing hole 61 in parallel, and a Y-axis sliding plate 712 is arranged at the top end of the Y-axis sliding strip 711 in a sliding manner; the two sides of the Y-axis sliding bar 711 are respectively provided with a first mounting block 714 for mounting a first transmission rod, the first transmission rod is rotatably mounted on the first mounting block 714, the first motor 713 is arranged at one end of the first transmission rod, and the Y-axis sliding plate 712 is in transmission fit with the first transmission rod.

The first transmission rod is a screw rod, and the first transmission rod and the Y-axis sliding plate 712 are in threaded fit transmission. The first motor 713 rotates the first transmission rod, and the first transmission rod drives the Y-axis sliding plate 712 to slide on the Y-axis sliding bar 711. The slide bars 711 are provided with 2 bars, which are respectively arranged on two sides of the Y-axis sliding plate 712, so that the Y-axis sliding plate 712 is more stable and less prone to shaking during the moving process.

Further, the X-axis driving part 72 includes an X-axis slide bar 721, an X-axis slide plate 722, a second motor 723, and a second transmission rod; the X-axis slide bar 721 is arranged on the Y-axis slide plate 712, and the X-axis slide plate 722 is arranged at the top end of the X-axis slide bar 721 in a sliding way; two sides of the X-axis sliding bar 721 are respectively provided with a second mounting block 724 for mounting a second transmission rod, the second transmission rod is rotatably mounted on the second mounting block 724, a second motor 723 is arranged at one end of the second transmission rod, and the X-axis sliding plate 722 is in transmission fit with the second transmission rod.

The Y-axis sliding plate 712 moves the X-axis driving unit 72.

The second transmission rod is a screw rod, and the second transmission rod and the X-axis sliding plate 722 are in threaded fit transmission. The second motor 723 drives the second transmission rod to rotate, and the second transmission rod drives the X-axis sliding plate 722 to slide at the X-axis sliding strip 721. The X-axis sliding bars 721 are 2, which are respectively disposed on two sides of the X-axis sliding plate 722, so that the X-axis sliding plate 722 is more stable and less prone to shaking during the moving process.

Further, the Z-axis driving part 73 includes a Z-axis slide 731, a Z-axis slide 732, a third motor 733, and a third transmission rod; the top of the X-axis sliding plate 722 is provided with a fixing plate 9,Z, an axis sliding bar 731 is arranged on one side of the fixing plate 9, a Z-axis sliding plate 732 is slidably arranged on the side surface of the Z-axis sliding bar 731, and two sides of the Z-axis sliding plate 732 extend towards the inside of the Z-axis sliding bar 731; the third transmission rod is installed inside the Z-axis slide bar 731, two ends of the third transmission rod are rotatably installed at the upper and lower ends of the Z-axis slide bar 731, the third motor 733 is arranged at one end of the third transmission rod, and the Z-axis slide plate 732 is in transmission fit with the third transmission rod.

The X-axis slide 722 moves the Z-axis drive unit 73 via the fixed plate 9.

Two sides of the Z-axis sliding plate 732 extend towards the inside of the Z-axis sliding bar 731 so as to be in transmission fit with a third transmission rod installed inside the Z-axis sliding bar 731. The third transmission rod is a screw rod, and the third transmission rod and the Z-axis sliding plate 732 are in threaded fit transmission. The third motor 733 drives the third driving rod to rotate, and the third driving rod drives the Z-axis sliding plate 732 to slide on the side surface of the Z-axis sliding bar 731. Because two sides of the Z-axis sliding plate 732 extend towards the inside of the Z-axis sliding strip 731, the two sides of the Z-axis sliding plate 732 have a limiting effect at the Z-axis sliding strip 731, and are not easy to shake in the moving process.

Specifically, the laser cutting head 8 is fixedly mounted at the end of the Z-axis sled 732, and the laser cutting head 8 corresponds to the centering structure. The Z-axis sled 732 moves the laser cutting head 8. The laser cutting head 8 is corresponding to the centering structure, so that the Z-axis sliding plate 732 can drive the laser cutting head 8 to cut a workpiece on one side of the centering structure, the laser cutting head 8 cuts on one side of the centering structure, and the centering structure can effectively prevent the workpiece from shaking in the cutting process.

Other constructions and operations of a centering structure and a laser three-dimensional cutting device according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A centering structure, characterized in that: the clamping device comprises a driver, wherein the driving ends on two sides of the driver are respectively provided with a clamping component, and the driving ends on two sides of the driver drive the clamping components to move oppositely;

the clamping assembly comprises a pushing plate and a clamping block, one end of the pushing plate is connected with the driving end of the driver, the other end of the pushing plate is provided with a mounting groove for mounting the clamping block, the clamping block is rotatably mounted in the mounting groove, and the clamping block rotates around an X axis;

the clamping blocks are provided with clamping concave positions, the clamping assemblies are oppositely arranged on the driver, and clamping holes are formed in the clamping concave positions of the clamping blocks of the clamping assemblies.

2. A centering structure according to claim 1, wherein: the mounting groove is semi-cylindrical, and a sliding groove is formed in the side surface of the mounting groove;

the clamping block is semi-cylindrical, a sliding block is arranged on the side face of the clamping block, and the sliding block is installed in the sliding groove and is in sliding fit with the sliding groove.

3. A centering structure according to claim 2, wherein: the cross-section of the sliding groove and the cross-section of the sliding block are both T-shaped, and the sliding block and the sliding groove are in clearance fit.

4. A centering structure according to claim 1, wherein: the driver is a double-head cylinder, and a driving rod of the double-head cylinder is connected with the pushing plate.

5. A laser three-dimensional cutting device is characterized in that: comprises a box body, a chuck, a driving component, a laser cutting head and the centering structure of any one of claims 1 to 4;

the clamping head is fixedly arranged on one side in the box body, a fixing hole is formed in the center of the clamping head, a feeding hole is formed in one side of the box body, the centering structure is arranged in the box body, and the central axes of the feeding hole, the fixing hole and the clamping hole are located on the same straight line;

the driving assembly is installed in the box body and located on one side of the centering structure, the laser cutting head is installed at one end of the driving assembly, and the laser cutting head is located on one side of the clamping hole.

6. The laser three-dimensional cutting device according to claim 5, characterized in that: the driving assembly comprises a Y-axis driving part, an X-axis driving part and a Z-axis driving part, and the Y-axis driving part, the X-axis driving part and the Z-axis driving part are matched to drive the laser cutting head to move along an X axis, a Y axis and a Z axis.

7. The laser three-dimensional cutting device according to claim 6, characterized in that: the Y-axis driving part comprises a Y-axis sliding strip, a Y-axis sliding plate, a first motor and a first transmission rod;

the Y-axis sliding strip is arranged on one side of the fixing hole in parallel, and the Y-axis sliding plate is arranged at the top end of the Y-axis sliding strip in a sliding manner;

the two sides of the Y-axis sliding strip are respectively provided with a first installation block for installing the first transmission rod, the first transmission rod is rotatably installed on the first installation block, the first motor is arranged at one end of the first transmission rod, and the Y-axis sliding plate is in transmission fit with the first transmission rod.

8. The laser three-dimensional cutting device according to claim 7, characterized in that: the X-axis driving part comprises an X-axis sliding strip, an X-axis sliding plate, a second motor and a second transmission rod;

the X-axis sliding strip is arranged on the Y-axis sliding plate, and the X-axis sliding plate is arranged at the top end of the X-axis sliding strip in a sliding manner;

and second mounting blocks for mounting the second transmission rod are respectively arranged on two sides of the X-axis sliding strip, the second transmission rod is rotatably mounted on the second mounting blocks, the second motor is arranged at one end of the second transmission rod, and the X-axis sliding plate is in transmission fit with the second transmission rod.

9. The laser three-dimensional cutting device according to claim 8, characterized in that: the Z-axis driving part comprises a Z-axis sliding strip, a Z-axis sliding plate, a third motor and a third transmission rod;

the top of the X-axis sliding plate is provided with a fixed plate, the Z-axis sliding strip is installed on one side of the fixed plate, the Z-axis sliding plate is installed on the side face of the Z-axis sliding strip in a sliding mode, and two sides of the Z-axis sliding plate extend towards the inside of the Z-axis sliding strip;

the third transmission rod is installed inside the Z-axis slide bar, two ends of the third transmission rod are rotatably installed at the upper end and the lower end of the Z-axis slide bar, the third motor is arranged at one end of the third transmission rod, and the Z-axis slide plate is in transmission fit with the third transmission rod.

10. The laser three-dimensional cutting device according to claim 9, characterized in that: the laser cutting head is fixedly arranged at the end of the Z-axis sliding plate and corresponds to the centering structure.