CN217142743U

CN217142743U - Laser cutting machine body and laser cutting machine

Info

Publication number: CN217142743U
Application number: CN202123351841.1U
Authority: CN
Inventors: 李才东; 任宇泽; 许先孟; 何纯贤; 蔡建平; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd; Hans Laser Smart Equipment Group Co Ltd
Current assignee: Han s Laser Technology Industry Group Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-09
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a laser cutting lathe bed and laser cutting machine. The laser cutting machine tool body comprises a left tool body and a right tool body which are oppositely arranged; the left lathe bed and the right lathe bed respectively comprise a first supporting plate, a second supporting plate and an internal heat insulation plate which are sequentially arranged from outside to inside at intervals; the first supporting plate and the second supporting plate are equal in height, the top of the first supporting plate and the top of the second supporting plate are provided with first guide rails, and the first guide rails are used for mounting a cutting assembly of the laser cutting machine; the height of the internal heat insulation plate is lower than that of the second support plate, a second guide rail is arranged at the top of the internal heat insulation plate, and the second guide rail is used for installing and bearing a worktable to be cut. The utility model discloses a can reduce the thermal deformation of lathe bed, promote the laser cutting machine lathe bed and the laser cutting machine of the cutting accuracy of cutting head.

Description

Laser cutting machine body and laser cutting machine

Technical Field

The utility model relates to a laser cutting technical field especially relates to a laser cutting machine lathe bed and laser cutting machine.

Background

A laser cutting machine is an apparatus for cutting metal by high temperature laser. The high-power large-format laser cutting machine is generally designed with a cutting machine tool, a cutting head is arranged at the top of the cutting machine tool, a workbench bearing a product to be cut is connected to the cutting machine tool in a sliding mode, the cutting head is located at the top of the workbench and can move, and the cutting head moves at the top of the machine tool to cut the product on the workbench.

For high power cutting machines, the temperature of the high density high frequency laser beam emitted by the cutting machine is up to 10000 ℃. When the laser beam penetrates through the metal plate, the molten metal is sprayed out from the lower part, most of the molten metal is solidified and accumulated on the surface of the lathe body component or the partition plate, and part of lighter suspended particles are pumped away by the dust removal system. The lathe body is an important part of the laser cutting machine, serves as a basic part for transmission and guiding installation, and is in an environment with high temperature and high metal dust for a long time. Therefore, the lathe bed can be heated and deformed, the precision of laser cutting is influenced, and the service life of the laser cutting machine is shortened. Meanwhile, the metal solution is accumulated on the surface of the lathe bed component after being solidified during cutting, so that the metal solution is inconvenient to clean.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

For at least one technical problem who solves above-mentioned technical problem, the utility model provides a can reduce the thermal deformation of lathe bed, promote the laser cutting machine lathe bed and the laser cutting machine of the cutting accuracy of cutting head.

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

a laser cutting machine bed comprising:

a lathe bed of a laser cutting machine comprises a left lathe bed and a right lathe bed which are oppositely arranged; the left lathe bed and the right lathe bed respectively comprise a first supporting plate, a second supporting plate and an internal heat insulation plate which are sequentially arranged from outside to inside at intervals; the first supporting plate and the second supporting plate are equal in height, a first guide rail is arranged at the top of each of the first supporting plate and the second supporting plate, and the first guide rail is used for mounting a cutting head of a laser cutting machine; the height of the internal heat insulation plate is lower than that of the second support plate, a second guide rail is arranged at the top of the internal heat insulation plate, and the second guide rail is used for installing a cutting workbench.

As an alternative of the laser cutting machine tool body, an air draft air duct is arranged between the second supporting plate and the internal heat insulation plate, the air draft air duct is obliquely arranged, and one end, close to the three partition plates, of the air draft air duct is higher than one end, far away from the internal heat insulation plate, of the air draft air duct.

As an alternative of the laser cutting machine body, an air suction opening is formed in the internal heat insulation plate and communicated with the air suction duct, and a protective net is arranged at the air suction opening.

As an alternative of the laser cutting machine body, top base plates are arranged at the tops of the first supporting plate and the second supporting plate, and the first guide rail is arranged on the top base plate;

bottom substrates are arranged at the bottoms of the first supporting plate, the second supporting plate and the internal heat insulation plate;

the top of inside heat insulating board is provided with the mounting panel, the second guide rail is located on the mounting panel.

As an alternative of the laser cutting machine tool body, a plurality of partition plates are arranged between the left tool body and the right tool body, so that an area between the left tool body and the right tool body is divided into a plurality of partitions; the partition plates are arranged at intervals along a first direction, and two ends of each partition plate are detachably connected with the left lathe bed and the right lathe bed respectively.

As an alternative to the above laser cutter bed, the laser cutter bed further comprises:

the partition plate mounting seat is connected with the laser cutting machine body through screws, a slot extending in the vertical direction is formed in the partition plate mounting seat, and the partition plate is inserted into the slot.

the partition plate supporting block is arranged on the laser cutting machine body and located below the partition plate mounting seat, the slot is a through slot which is communicated from top to bottom, and the partition plate penetrates out of the bottom end of the slot and is abutted to the partition plate supporting block.

As the optional scheme of above-mentioned laser cutting machine lathe bed, the below of subregion baffle is provided with the closing plate, the laser cutting machine lathe bed still includes:

the sealing plate mounting seat is U-shaped and comprises two opposite side walls and a connecting wall for connecting the two side walls, a mounting bar is arranged on one side of the sealing plate and inserted into the sealing plate mounting seat, a strip-shaped hole extending along the second direction is formed in each side wall, a screw hole is formed in each mounting bar, and each mounting bar passes through the screw hole and the strip-shaped hole and is in screw connection with the sealing plate mounting seat.

As an alternative of the laser cutting machine body, two sealing plates are arranged below each partition plate, the two sealing plates are respectively arranged on two sides of the partition plate along the first direction, an inclined guide plate is arranged between each partition plate and each sealing plate, the top of each guide plate is hung on each partition plate, and the bottom of each guide plate is lapped on the top of each sealing plate.

A laser cutting machine comprising a laser cutting machine bed as described above.

The utility model discloses an useful part lies in: the lathe bed includes by outer first backup pad, second backup pad and the inside heat insulating board that the interval set up in proper order to in to make the lathe bed form the thermal-insulated structure of cavity, compare with current laser cutting lathe bed, the utility model discloses a laser cutting lathe bed both sides respectively set up three-layer heat insulating board and form the thermal-insulated structure of cavity, reduce the heat altered shape of lathe bed, promote laser cutting's precision. Simultaneously, the first guide rail setting that will be used for installing laser cutting machine's cutting head is at the top of first backup pad and second backup pad, the second guide rail setting that will be used for installing cutting table is at the top of inside heat insulating board, the product that waits to cut is placed and is cut on the cutting table at the top of inside heat insulating board, can make inside heat insulating board stop the cutting heat like this, make first backup pad and second backup pad keep away from the cutting high heat area, first backup pad and second backup pad thermal deformation are less, thereby make the cutting head that sets up at first backup pad and second backup pad top keep higher precision.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a machine body of a middle laser cutting machine according to the present invention;

FIG. 2 is a schematic cross-sectional view of the laser cutting machine bed of FIG. 1;

fig. 3 is a schematic structural diagram of another embodiment of the machine body of the laser cutting machine according to the present invention;

FIG. 4 is a cross-sectional structural view of the laser cutting machine bed of FIG. 3;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

FIG. 6 is a schematic structural view of a portion of the bed of the laser cutting machine of FIG. 3;

FIG. 7 is a schematic partially exploded view of the structure shown in FIG. 6;

FIG. 8 is an enlarged schematic view of portion B of FIG. 3;

fig. 9 is an enlarged schematic view of portion C of fig. 7.

In the figure:

100. a laser cutting machine body; 110. a left bed body; 120. a right bed body;

111. a first support plate; 112. a second support plate; 113. an internal insulation panel; 1131. an air suction opening; 114. a first guide rail; 115. a second guide rail; 116. a top substrate; 117. a bottom substrate; 118. mounting a plate; 119. ground feet; 121. an air draft duct; 122. a protective net; 123. an air extraction duct; 124. a damper; 125. a drive member; 126. partition plates; 1261. inserting sheets; 127. a partition mounting seat; 1271. a slot; 128. a partition supporting block; 129. a base plate; 130. a sealing plate; 1301. mounting a bar; 131. a sealing plate mounting seat; 1311. a side wall; 1312. a connecting wall; 132. a guide plate; 1321. hanging a lug; 1322. and (7) hanging holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be understood by those of ordinary skill in the art as the case may be.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a laser cutting lathe bed. The utility model discloses a laser cutting machine lathe bed mainly is applied to high power laser cutting machine for the cutting of thick sheet metal (30-100 mm). For example, the cutting device is applied to plate cutting in the industries of ship manufacturing, aerospace, mining machinery, military transportation and the like.

Referring to fig. 1 and 2, the laser cutting machine bed 100 of the present invention includes a left bed 110 and a right bed 120 symmetrically disposed. The left bed body 110 and the right bed body 120 are connected by a small number of cross beams to form a complete bed body. The area between the left bed 110 and the right bed 120 is a cutting area. The left bed body 110 and the right bed body 120 have substantially the same structure, and as shown in fig. 2, the left bed body 110 and the right bed body 120 each include a first support plate 111, a second support plate 112, and an internal heat insulation plate 113, which are sequentially arranged from outside to inside at intervals. The internal heat insulation board can be made of a metal plate for a bed body, or a special plate which has a heat insulation function and can meet the requirement of structural strength, and is not limited herein.

As shown in fig. 2, the first support plate 111 and the second support plate 112 are equal in height, a first guide rail 114 is disposed on the top of the first support plate 111 and the second support plate 112, and the first guide rail 114 is used for mounting a cutting head of a laser cutting machine. The cutting head moves along the first guide rail 114, cutting the product. The first support plate 111 and the second support plate 112 are set higher and the cutting head is mounted on the top of the first support plate, so that the laser head is conveniently positioned at a higher position to cut the product on the bed. The interior heat insulation plates 113 have a height lower than that of the second support plate 112 as shown in fig. 2, so that the interior heat insulation plates 113 form a stepped structure with respect to the second support plate 112 for disposing the second guide rails 115, that is, the second guide rails 115 are disposed on the top of the interior heat insulation plates 113, and the second guide rails 115 are used for mounting the cutting table. During the cutting operation, the product to be cut is placed on the cutting table, which is movable along the second guide rail 115.

It will be appreciated that, in order to enclose the entire machine and to facilitate the mounting of the first rail 114 and the second rail 115, plates are suitably provided on the heat shield. For example, as shown in fig. 2, a top base plate 116 is disposed on the top of the first support plate 111 and the second support plate 112, and the top base plate 116 closes the top of the bed. The first rail 114 is disposed on the top substrate 116. The bottom of the first support plate 111, the second support plate 112 and the internal heat insulation plate 113 is provided with a bottom substrate 117, and the bottom substrate 117 seals the bottom of the bed. The top of the internal insulation board 113 is provided with a mounting plate 118, and the mounting plate 118 closes the top of the space between the internal insulation board 113 and the second support plate 112. The second rail 115 is disposed on the mounting plate 118.

The utility model discloses in, the lathe bed includes by outer to interior first backup pad 111, second backup pad 112 and the inside heat insulating board 113 that the interval set up in proper order, makes the lathe bed form the cavity thermal-insulated structure, reduces the heat altered shape of lathe bed, promotes laser cutting's precision. Meanwhile, a first guide rail 114 for mounting a cutting head of the laser cutting machine is arranged at the tops of the first support plate 111 and the second support plate 112, a second guide rail 115 for mounting a cutting workbench is arranged at the top of the internal heat insulation plate 113, a product to be cut is placed on the cutting workbench at the top of the internal heat insulation plate 113 for cutting, so that only the internal heat insulation plate 113 is closer to a high-temperature area formed by cutting during cutting, the first support plate 111 and the second support plate 112 are farther from the high-temperature area, the probability of thermal deformation is lower, the internal heat insulation plate 113 can block cutting heat, thermal deformation of the first support plate 111 and the second support plate 112 is further reduced, and the cutting head arranged at the tops of the first support plate 111 and the second support plate 112 is kept at higher precision.

Referring to fig. 4 and 6, the bottom base plate 117 serves as a basic bearing structure, and the bottom of the base plate is additionally provided with a ground pin 119 to counteract the thermal expansion deformation of the lathe bed. The lower margin 119 can adopt the structure of heightening the nut for the height-adjustable of lower margin 119 is with the horizontality and the stationarity of guaranteeing the lathe bed.

As shown in fig. 2, an air draft duct 121 is disposed between the second supporting plate 112 and the internal heat insulation plate 113, and the air draft duct 121 is used for exhausting air to the cutting area, so that a certain cooling effect can be achieved while smoke is exhausted. The utility model discloses in, as shown in fig. 2, convulsions wind channel 121 slope sets up, and the one end that convulsions wind channel 121 is close to inside heat insulating board 113 is higher than the one end that inside heat insulating board 113 was kept away from to convulsions wind channel 121, also is that the front end of convulsions wind channel 121 is higher than the rear end. Therefore, the opening of the air draft air duct 121 faces, the upper layer heat of the cutting area can be sucked conveniently, and the air draft effect is good.

In addition, in order to improve the suction force of the ventilation air duct 121, the ventilation air duct 121 may be tapered, and the front end of the ventilation air duct 121 is smaller and the rear end thereof is larger, so that the suction force at the front end opening of the internal heat insulation board 113 is larger.

As shown in fig. 1, an air suction opening 1131 is provided on the internal heat insulation board 113, the air suction opening 1131 is communicated with the air suction duct 121, and a protective mesh 122 is provided at the air suction opening 1131. The protective net 122 can play a role in protection, so that large objects are prevented from being sucked into the air draft air duct 121, normal work of equipment is prevented from being influenced, and even the equipment is prevented from being damaged.

In addition, as shown in fig. 2, an air draft duct 123 is disposed between the first support plate 111 and the second support plate 112, the air draft duct 121 is communicated with the air draft duct 123, and the air draft duct 121 is connected to an external air draft device through the air draft duct 123.

Referring to fig. 4 and 5, a driving member 125 is disposed on the air draft duct 123, an output end of the driving member 125 is connected to a damper 124, and the damper 124 is used for closing and opening the air draft duct 121. The driving member 125 can drive the damper 124 to move up and down along the inner wall of the air draft duct 123, so that the damper 124 opens the air draft duct 121 or closes the air draft duct 121. The driving member 125 may employ a cylinder.

The utility model discloses in, all set up convulsions wind channel 121, exhaust pipe 123 and air door 124 isotructure inside the lathe bed, can protect convulsions wind channel 121, exhaust pipe 123 and air door 124 to avoid the influence of cutting, avoid convulsions wind channel 121 and exhaust pipe 123 to expose at the lathe bed outside.

As shown in fig. 6 and 7, a plurality of partition plates 126 are disposed between the left bed body 110 and the right bed body 120, two ends of each partition plate 126 are respectively connected to the left bed body 110 and the right bed body 120, and the partition plates 126 are disposed at intervals along the first direction, so that an area between the left bed body 110 and the right bed body 120 is divided into a plurality of partitions. The first direction is defined as the length direction of the bed, i.e., the X direction shown in the drawing, and the second direction is defined as the width direction of the bed, i.e., the Y direction shown in the drawing, and the Z direction shown in the drawing, i.e., the up-down direction. The utility model discloses in, the both ends of subregion baffle 126 can be dismantled with left lathe bed 110 and right lathe bed 120 respectively and be connected, make subregion baffle 126 dismantle from the lathe bed like this, clear up the waste residue on the subregion baffle 126, or directly change subregion baffle 126.

Specifically, as shown in fig. 9, the laser cutting machine bed 100 further includes a partition mounting seat 127, and the partition mounting seat 127 is used for mounting the partition 126. The laser cutting machine body 100 is provided with a screw hole for mounting the partition mounting seat 127, and the partition mounting seat 127 is connected to the laser cutting machine body 100 through a screw. The partition mounting block 127 is provided with an insertion groove 1271 extending in a vertical direction, and the partition plate 126 is inserted into the insertion groove 1271 so that the partition plate 126 is detachable. When the partition plate 126 is mounted, it is inserted into the slot 1271, and when the partition plate 126 is dismounted, it is only necessary to remove it from the slot 1271.

Preferably, the laser cutter bed 100 further includes a spacer support block 128. As shown in fig. 9, the partition support block 128 is disposed on the laser cutting machine bed 100 and below the partition mounting block 127, and the slot 1271 is a through slot that penetrates vertically, so that the partition 126 is inserted into the slot 1271 and then penetrates out from the bottom end of the slot 1271, and the partition 126 penetrates out from the bottom end of the slot 1271 and abuts against the partition support block 128. Through the cooperation of baffle mount pad 127 and baffle supporting shoe 128 can play higher fixed action to subregion baffle 126, make overall structure more retrencied simultaneously, avoid setting up longer baffle mount pad 127 and install subregion baffle 126. The partition support block 128 may be an L-shaped angle bar having one side welded to the bed and the other side supporting the partition 126.

As shown in fig. 6 and 7, a bottom plate 129 is disposed at the bottom of each partition, and the bottom plate 129 is disposed horizontally for receiving the slag. As shown in fig. 6, the base plate 129 is slidably attached to the bed in the Y direction so that the base plate 129 can be withdrawn from the bottom of the bed to clean the base plate 129 of waste.

As shown in fig. 4, 8 and 9, a sealing plate 130 is disposed below the partition plate 126, and the sealing plate 130 is disposed vertically to seal a gap between the partition plate 126 and the bottom plate 129. As shown in fig. 9, the laser cutter bed 100 further includes a seal plate mount 131, and the seal plate mount 131 may be welded to the bed for mounting the seal plate 130. In one embodiment, as shown in fig. 9, the sealing plate mounting seat 131 is U-shaped and includes two opposite side walls 1311 and a connecting wall 1312 connecting the two side walls 1311. As shown in fig. 9, a mounting bar 1301 is provided at one side of the sealing plate 130, the mounting bar 1301 has a rectangular cross section, and the mounting bar 1301 is inserted into the sealing plate mounting seat 131 and fixed by screws. Specifically, a bar-shaped hole extending along the second direction (Y direction) is formed in the side wall 1311 of the sealing plate mounting seat 131, a screw hole is formed in the mounting bar 1301 of the sealing plate 130, and after the mounting bar 1301 is inserted into the sealing plate mounting seat 131, a screw is sequentially inserted into the screw hole and the bar-shaped hole and locked, so that the mounting bar 1301 can be connected with the sealing plate mounting seat 131 through the screw hole and the bar-shaped hole, and the sealing plate 130 can be mounted on a lathe bed.

As shown in fig. 9, two sealing plates 130 are correspondingly disposed below each partition plate 126, the two sealing plates 130 are respectively disposed on two sides of the partition plate along the first direction (X direction), that is, the two sealing plates 130 are respectively disposed on the front and rear sides of the partition plate, and an inclined guide plate 132 is disposed between the partition plate 126 and the sealing plates 130. Since the sealing plate 130 has two pieces, the guide plate 132 also has two pieces. As shown in FIG. 8, the top of the guide plate 132 is hung on the partition plate 126, and the bottom of the guide plate 132 is overlapped on the top of the sealing plate 130. The provision of an inclined guide plate 132 facilitates the directing of the slag onto the lower floor 129.

Referring to fig. 9, a hanging lug 1321 is disposed on the top of the guide plate 132, and a hanging hole 1322 is disposed on the hanging lug 1321. The partition plate 126 is provided with an insert 1261, and the guide plate 132 can be hung on the partition plate 126 by hanging the hanging hole 1322 of the guide plate 132 on the insert 1261 of the partition plate 126. The assembly structure of the guide plate 132 hung on the partition plate 126 is shown in fig. 8. The hanging lugs 1321 on the two guide plates 132 on both sides of the partition plate 126 can be arranged in a staggered manner, so that the guide plates 132 on both sides can be hung on the partition plate 126.

The views in fig. 1 and 6 to 9 only show the suction opening 1131, the partition plate mounting seat 127, the partition plate supporting block 128 and the sealing plate mounting seat 131 on the left bed body 110, and it is understood that the suction opening 1131, the partition plate mounting seat 127, the partition plate supporting block 128 and the sealing plate mounting seat 131 are correspondingly arranged on the right bed body 120.

Referring to fig. 1 and 6, the bed body on both sides of each partition partitioned by the partition 126 is provided with an air suction opening 1131 and an air suction duct 121 to suck air in each partition. The damper 124 is arranged so that the draft of each section can be controlled individually during cutting, and the dampers 124 can be closed when the sections being cut are selectively drafted, while the dampers 124 not being cut can be closed.

The utility model also discloses a laser cutting machine, include above laser cutting machine lathe bed 100. The utility model discloses a laser cutting machine is owing to adopt above-mentioned laser cutting machine lathe bed 100, consequently has the beneficial effect that above-mentioned laser cutting machine lathe bed 100 had at least, and repeated description is not given here again.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The laser cutting machine body is characterized by comprising a left body (110) and a right body (120) which are oppositely arranged; the left lathe bed (110) and the right lathe bed (120) respectively comprise a first supporting plate (111), a second supporting plate (112) and an internal heat insulation plate (113) which are sequentially arranged from outside to inside at intervals; the first support plate (111) and the second support plate (112) are equal in height, a first guide rail (114) is arranged at the top of the first support plate (111) and the top of the second support plate (112), and the first guide rail (114) is used for mounting a cutting head of a laser cutting machine; the height of the internal heat insulation plate (113) is lower than that of the second support plate (112), a second guide rail (115) is arranged at the top of the internal heat insulation plate (113), and the second guide rail (115) is used for installing a cutting workbench.

2. The laser cutting machine bed according to claim 1, characterized in that an air draft duct (121) is arranged between the second support plate (112) and the internal heat insulation plate (113), the air draft duct (121) is obliquely arranged, and one end of the air draft duct (121) close to the internal heat insulation plate (113) is higher than one end of the air draft duct (121) far away from the internal heat insulation plate (113).

3. The laser cutting machine bed according to claim 2, characterized in that an air suction opening (1131) is arranged on the internal heat insulation board (113), the air suction opening (1131) is communicated with the air suction duct (121), and a protective screen (122) is arranged at the air suction opening (1131).

4. The laser cutting machine bed according to claim 1, characterized in that the top of the first support plate (111) and the second support plate (112) is provided with a top base plate (116), the first guide rail (114) being provided on the top base plate (116);

a bottom substrate (117) is arranged at the bottom of the first support plate (111), the second support plate (112) and the internal heat insulation plate (113);

the top of the internal heat insulation board (113) is provided with a mounting plate (118), and the second guide rail (115) is arranged on the mounting plate (118).

5. The laser cutting machine bed according to claim 1, characterized in that a plurality of partition plates (126) are provided between the left bed (110) and the right bed (120) to divide an area between the left bed (110) and the right bed (120) into a plurality of partitions; the partition plates (126) are arranged at intervals along a first direction, and two ends of each partition plate (126) are detachably connected with the left lathe bed (110) and the right lathe bed (120) respectively.

6. The laser cutting machine bed of claim 5, further comprising:

the partition plate mounting seat (127) is connected with the laser cutting machine body through screws, a slot (1271) extending in the vertical direction is formed in the partition plate mounting seat (127), and the partition plate (126) is inserted into the slot (1271).

7. The laser cutting machine bed of claim 6, further comprising:

the partition plate mounting seat is characterized by comprising a partition plate supporting block (128) which is arranged on the laser cutting machine body and is positioned below the partition plate mounting seat (127), the slot (1271) is a through slot which is communicated up and down, and the partition plate (126) penetrates out of the bottom end of the slot (1271) and is abutted to the partition plate supporting block (128).

8. The laser cutter bed according to claim 5, wherein a seal plate (130) is disposed below the partition plate (126), the laser cutter bed further comprising:

the sealing plate mounting seat (131) is U-shaped and comprises two opposite side walls (1311) and a connecting wall (1312) for connecting the two side walls (1311), a mounting bar (1301) is arranged on one side of the sealing plate (130), the mounting bar (1301) is inserted into the sealing plate mounting seat (131), a strip-shaped hole extending along the second direction is formed in the side wall (1311), a screw hole is formed in the mounting bar (1301), and the mounting bar (1301) is in screw connection with the sealing plate mounting seat (131) through the screw hole and the strip-shaped hole.

9. The laser cutting machine bed according to claim 8, wherein two sealing plates (130) are disposed below each partition plate (126), two sealing plates (130) are disposed on two sides of the partition plate (126) along the first direction, an inclined guide plate (132) is disposed between the partition plate (126) and the sealing plates (130), a top portion of the guide plate (132) is hung on the partition plate (126), and a bottom portion of the guide plate (132) is overlapped with a top portion of the sealing plates (130).

10. A laser cutting machine comprising a laser cutting machine bed according to any one of claims 1 to 9.