CN113843524A - Split type platform structure and laser plate cutting machine - Google Patents

Abstract

The invention discloses a split platform structure and a laser plate cutting machine, which comprise two symmetrically arranged local working tables, wherein each local working table comprises a rack, a side supporting plate and an adjusting plate, a supporting beam arranged on an underframe is arranged between the two local working tables, one end parts of the side supporting plate and the adjusting plate are detachably arranged on the underframe through a supporting seat assembly, the other end parts of the side supporting plate and the adjusting plate are detachably connected with the supporting beam through a supporting inserting plate, and a plurality of racks are arranged on the two side supporting plates in a crossing manner and are equidistantly arranged on the adjusting plate along the length direction of the side supporting plate. All parts in the split platform structure are detachably connected, so that the whole working platform is not required to be replaced even if the working platform needs to be maintained locally, only the parts corresponding to damage need to be replaced, maintenance cost is greatly saved, and working efficiency is improved.

Description

Split type platform structure and laser plate cutting machine

The present application is a divisional application of a patent application having a patent application number of 202110853978.2, application date of "28/07/2021", entitled "a detachable platform structure and laser board cutting machine

Technical Field

The invention relates to the technical field of plate processing, in particular to a detachable platform structure and a laser plate cutting machine.

Background

Laser cutting board machine is along with the increase of power, work platform's cutting loss is great, because current work platform mainly includes platform frame, the mounting bar and the supporting beam of setting in platform frame and span the rack that sets up on the mounting bar, mounting bar and supporting beam need rely on platform frame can only fix on the chassis, platform frame generally encloses the frame construction of a rectangle by square pipe, supporting beam and mounting bar are usually with welded mode and platform frame attach, so when work platform local cutting loss is great, can't take local part to change the maintenance, can only change whole work platform, because need make platform frame again, the replacement cost that leads to work platform is higher, influence maintenance work efficiency.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a split platform structure and a laser plate cutting machine which are free from a platform frame, and aims to reduce the overall replacement and local maintenance cost of a working platform and improve the maintenance working efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a divide formula platform structure, includes the local workstation that two symmetries set up, every local workstation includes many racks, two along the side extension board of horizontal extension, set up between two collateral branch boards and with the collateral branch board regulating plate that is parallel to each other, is provided with the bearing beam of installing on the chassis between two local workstations, bearing beam and collateral branch board mutually perpendicular, the tip of side extension board and regulating plate all installs on the chassis through support assembly detachably, and another tip all can dismantle with the bearing beam through supporting the picture peg and be connected, and many racks span the setting and just follow on two collateral branch boards the length direction equidistance setting of side extension board is installed on the regulating plate, be equipped with the rack clamp plate that is used for fixed rack on every side extension board.

The support assembly comprises a fixing plate, a supporting connecting plate and a supporting vertical plate, the fixing plate is installed on the underframe, the supporting vertical plate is arranged on the supporting connecting plate, a plug-in hole with a polygonal cross section is formed in the supporting connecting plate, a clamping port for the supporting connecting plate to be embedded is formed in the side face of the supporting vertical plate, and a plug-in block matched with the shape of the plug-in hole is formed in the clamping port in a protruding mode.

The fixing plate is provided with two symmetrically arranged mounting through holes, the underframe is provided with a first threaded hole corresponding to the mounting through holes, the support connecting plate is provided with a first elongated hole corresponding to the mounting through holes, and the first elongated hole extends vertically; two second threaded holes which are symmetrically arranged are formed in the top of the supporting vertical plate; a second elongated hole corresponding to the second threaded hole is formed in the side supporting plate and transversely extends; and a third elongated hole corresponding to the second threaded hole is formed in the adjusting plate, and the third elongated hole transversely extends.

A plurality of draw-in groove has been seted up to the upper surface of bearing beam, supports the picture peg and the same and one-to-one of quantity of draw-in groove, every support the picture peg and include connecting portion and two symmetrical setting at the spacing foot of connecting portion below, form a butt joint mouth that supplies the bearing beam to stretch into between two spacing feet, the side of bearing beam is hugged closely to two spacing feet, in the connecting portion adaptation embedding draw-in groove.

Two adjacent side supporting plates are connected through a supporting inserting plate, and the side supporting plates are connected with the supporting inserting plate through screws; two adjacent adjusting plates are connected through a supporting inserting plate, and the adjusting plates are connected with the supporting inserting plate through screws.

The rack pressing plate comprises a horizontal panel and a vertical panel, the horizontal panel and the vertical panel are connected to form an L shape, a plurality of pressing grooves which are distributed along the length direction of the vertical panel in an equidistance mode are formed in the vertical panel, each pressing groove is matched with one rack to install, the horizontal panel and the vertical panel of the rack pressing plate are connected in an enhanced mode through a plurality of reinforcing ribs, and the vertical panel and the side supporting plate are connected through bolts.

The rack comprises a rack main body and support arms respectively arranged at two ends of the rack main body, each support arm is provided with a sliding notch for the top of the side support plate to extend into, and the top of the adjusting plate is provided with a plurality of positioning grooves for the racks to be inserted into; each support arm is provided with a butt joint groove which is matched and arranged with the pressing groove.

The horizontal panel of the rack pressing plate is provided with a plurality of ball mounting holes, and each ball mounting hole is correspondingly provided with a bearing ball.

The rack pressing plate is characterized in that at least two positioning side backup plates are arranged on a horizontal panel of the rack pressing plate, a support is arranged at the rear end of the underframe, and a positioning rear backup plate is arranged at the top of the support.

A laser plate cutting machine comprises a bottom frame, a laser and a driving device for controlling the laser to move, wherein the bottom frame is provided with the split platform structure.

Has the advantages that:

compared with the prior art, the split platform structure provided by the invention breaks through the limitation of the traditional platform frame structure, cancels the arrangement of the platform frame, and skillfully installs the side support plate and the adjusting plate on the bottom frame through the support structure consisting of the support component, the support inserting plate and the bearing beam in a suspension manner, so that the structure is compact and the applicability is high; on one hand, all parts in the working platform are detachably connected, so that the whole working platform does not need to be replaced even if the working platform needs local maintenance, and only the corresponding damaged part needs to be replaced, thereby greatly saving the maintenance cost and improving the working efficiency; on the other hand, under the two conditions of production and manufacturing of the split platform structure or replacement and maintenance of the whole split platform structure, the structure of the platform frame is cancelled, so that the time consumption and the material cost brought by manufacturing the platform frame are saved, and the production and maintenance efficiency is improved.

Drawings

Fig. 1 is a structural schematic diagram of a split platform structure.

Fig. 2 is a partial enlarged view of the region L1 in fig. 1.

Fig. 3 is a partial enlarged view of the region L2 in fig. 1.

Fig. 4 is a perspective view of two partial tables.

Fig. 5 is a partial enlarged view of the area a1 in fig. 4.

Fig. 6 is a partial enlarged view of the area a2 in fig. 4.

Fig. 7 is a perspective view of a support riser.

Fig. 8 is a perspective view of the rack press plate.

Fig. 9 is a perspective view of the rack.

Fig. 10 is a schematic structural view of the installation of the support beams and the support inserting plates on the underframe.

FIG. 11 is a perspective view of a joist.

Fig. 12 is a perspective view of the supporting insert plate.

Fig. 13 is a perspective view of a laser plate cutter.

Description of the main element symbols: 1-local workbench, 11-rack, 111-rack body, 112-support arm, 113-sliding notch, 114-butt joint groove, 12-side support plate, 121-second elongated hole, 13-adjusting plate, 131-positioning groove, 14-bearing beam, 141-clamping groove, 3-support component, 31-fixing plate, 32-supporting connecting plate, 321-inserting hole, 322-first elongated hole, 33-supporting vertical plate, 331-clamping interface, 332-inserting block, 333-second threaded hole, 4-supporting inserting plate, 41-connecting part, 42-limiting pin, 43-butt joint interface, 5-rack pressing plate, 51-horizontal panel, 52-vertical panel, 53-reinforcing rib, 54-pressing groove, 55-ball mounting hole, 6-bearing ball, 7-positioning side backup plate, 81-bracket, 82-positioning back backup plate, 21-bottom frame and 22-laser.

Detailed Description

The invention provides a detachable platform structure and a laser plate cutting machine, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1 to 12, the present invention provides a detachable platform structure including two symmetrically disposed local work tables 1, each of the local work tables 1 includes a plurality of racks 11, two lateral support plates 12 extending in a transverse direction, an adjusting plate 13 disposed between the two lateral support plates 12 and parallel to the lateral support plates 12, a support beam 14 mounted on a base frame 21 is disposed between the two local work tables 1, support beam 14 and side bearer 12 mutually perpendicular, a tip of side bearer 12 and regulating plate 13 all installs on chassis 21 through support subassembly 3 detachably, and another tip all can dismantle with support beam 14 through supporting picture peg 4 and be connected, and many racks 11 span the setting on two side bearers 12 and follow the length direction equidistance setting of side bearer 12 is installed on regulating plate 13, be equipped with the rack clamp plate 5 that is used for fixed rack 11 on every side bearer 12.

Compared with the prior art, the split platform structure provided by the invention breaks through the limitation of the traditional platform frame structure, cancels the arrangement of the platform frame, and skillfully installs the side support plate 12 and the adjusting plate 13 on the bottom frame 21 through the support structure consisting of the support component 3, the support inserting plate 4 and the bearing beam 14, so that the structure is compact and the applicability is high; on one hand, all parts in the working platform are detachably connected, so that the whole working platform does not need to be replaced even if the working platform needs local maintenance, and only the corresponding damaged part needs to be replaced, thereby greatly saving the maintenance cost and improving the working efficiency; on the other hand, under the two conditions of production and manufacturing of the split platform structure or replacement and maintenance of the whole split platform structure, the structure of the platform frame is cancelled, so that the time consumption and the material cost brought by manufacturing the platform frame are saved, and the production and maintenance efficiency is improved.

Specifically, referring to fig. 5 to 7, the support assembly 3 includes a fixing plate 31 installed on the base frame 21, a support connecting plate 32, and a support vertical plate 33 disposed on the support connecting plate 32, wherein an insertion hole 321 with a polygonal cross section is disposed on the support connecting plate 32, a clip interface 331 is disposed on a side surface of the support vertical plate 33, an insertion block 332 adapted to the insertion hole 321 is formed in the clip interface 331 in a protruding manner, the height of the clip interface 331 is the height of the support vertical plate 33, and the clip interface 331 is disposed in the middle of the support connecting plate 32.

During actual assembly, the inserting blocks 332 on the supporting vertical plates 33 are aligned with the inserting holes 321 of the supporting connecting plates 32, so that the supporting vertical plates 33 are embedded into the clamping interfaces 331 of the supporting connecting plates 32 to complete splicing, and the supporting connecting plates are convenient to disassemble and assemble quickly without auxiliary connection of parts; the top of the supporting vertical plate 33 is pressed against the supporting connecting plate 32, so that the gravity borne by the supporting vertical plate 33 is smoothly transferred to the middle of the supporting connecting plate 32; and because the cross section of spliced eye 321 is the polygon, consequently the piece 332 can not rotate for supporting riser 33 forms closely the location assembly, and difficult not hard up, and the piece 332 that inserts also can share the transmission to the load that supports riser 33 simultaneously for the even atress of support connecting block.

For convenience of processing, the insertion hole 321 is a square through hole, and the cross section of the insertion block 332 is square, that is, the insertion block 332 is actually a square protrusion and can be inserted into the square through hole to form transition fit.

Preferably, be equipped with the first slot hole 322 that two symmetries set up on the supporting connection board 32, two first slot holes 322 are located the both sides of interface, be equipped with two installation through-holes corresponding with first slot hole 322 on the fixed plate 31, vertical extension is followed to first slot hole 322, be equipped with the first screw hole corresponding with the installation through-hole on the chassis 21, every first slot hole department sets up a height adjusting screw (not drawn in the picture), and during height adjusting screw passed first slot hole and installation through-hole back wrong income first screw hole in proper order, when needing to change the height of supporting riser 33, it can to loosen the position that height adjusting screw adjustment supported riser 33 then relocks, and it is comparatively convenient to adjust.

Similarly, two second threaded holes 333 are symmetrically arranged at the top of the supporting riser 33, a second elongated hole 121 corresponding to the second threaded holes 333 is arranged on the side support plate 12, and the second elongated hole 121 extends transversely. Two transverse position adjusting screws (not shown in the figure) are arranged at each second elongated hole 121, each transverse position adjusting screw sequentially penetrates through the second elongated hole 121 and is screwed into the corresponding second threaded hole 333, when the transverse position of the side support plate 12 needs to be changed, the transverse position adjusting screws are loosened to adjust the position of the supporting vertical plate 33 and then locked again, and the adjustment is convenient.

Specifically, referring to fig. 3 and 9, the rack 11 includes a rack main body 111 and support arms 112 respectively disposed at two ends of the rack main body 111, each support arm 112 is provided with a sliding notch 113 for the top of the side support plate 12 to extend into, that is, the support arm 112 is hung on the side support plate 12, and the top of the adjusting plate 13 is provided with a plurality of positioning grooves 131 for the rack main body 111 to insert into; the rack 11 is installed on the two adjusting plates 13 in a crossing manner through the positioning grooves 131, so that the connection stability of the rack 11 is improved, the rack 11 is connected in an insertion manner, and when the rack 11 is worn to a certain extent, the rack 11 is convenient to replace and is convenient to disassemble and assemble.

In order to align the positioning grooves 131 on the two adjusting plates 13 one by one and ensure that the rack main body is smoothly installed, a third elongated hole (not visible in the drawing) is formed in one end, close to the supporting vertical plate 33, of each adjusting plate 13, and the two second threaded holes 333 in the supporting vertical plate 33 can be matched with the third elongated hole in the adjusting plate 13, namely the supporting vertical plate can be used as a supporting connecting piece for the adjusting plate 13 and the side supporting plate 12 at the same time, so that the applicability is high; the third elongated hole extends transversely. Every third microscler hole department sets up a horizontal position adjusting screw, and horizontal position adjusting screw passes third microscler hole back in proper order and twists in second screw hole 333, and when the horizontal position of regulating plate 13 needed to change, loosen horizontal position adjusting screw adjustment support riser 33 the position then relocking can, it is comparatively convenient to adjust, and because side extension board 12 does not cause the removal to hinder to support arm 112 on the rack 11, so further improved the position debugging efficiency of rack.

It should be noted that the first elongated hole and the second elongated hole 121 refer to non-circular holes, and specifically may be rectangular holes, waist-shaped holes, rounded rectangular holes, and the like.

Side extension board 12 and regulating plate 13 can accomplish the dismouting of side extension board 12 and regulating plate 13 through the support subassembly 3 structure that the aforesaid provided in a flexible way and high-efficiently, possess the adjustable function in part position, improve the suitability of assembly greatly, support subassembly 3 compares the transmission platform frame, and the cost of manufacture is still less, more can save the occupation space of platform frame for the structure of laser lath cutter is compacter.

Furthermore, a plurality of clamping grooves 141 are formed in the upper surface of the bearing beam 14, the supporting insertion plates 4 correspond to the clamping grooves 141 in the same number one by one, each supporting insertion plate 4 comprises a connecting portion 41 and two limiting pins 42 symmetrically arranged below the connecting portion 41, a butt joint 43 for the bearing beam 14 to extend into is formed between the two limiting pins 42, the two limiting pins 42 are tightly attached to the side surface of the bearing beam 14, and the connecting portion 41 is embedded into the clamping grooves 141 in an adaptive mode.

In practical application, referring to fig. 10, the inner wall of the bottom frame 21 is pre-provided with a positioning notch 211 for the end of the support beam to be adapted to be assembled, and two ends of the support beam 14 are respectively placed in the positioning notches 211 from top to bottom, so that the support beam 14 can be quickly and horizontally positioned, and the support beam 14 is directly pressed on the bottom frame 21, thereby ensuring that the load can be stably transmitted to the bottom frame 21. When the supporting inserting plate 4 is installed, the supporting inserting plate 4 is perpendicular to the supporting beam 14, the butt joint port 43 of the supporting inserting plate 4 is aligned with the clamping groove 141 on the supporting beam 14, the connecting portion 41 on the supporting inserting plate 4 moves downwards towards the direction of the clamping groove 141 until the connecting portion 41 is completely embedded into the clamping groove 141, because the cross section of the clamping groove 141 is square, two end faces of the supporting inserting plate 4 are limited by the inner wall of the clamping groove 141 and cannot move left and right, the two limiting feet 42 also clamp the supporting beam 14 simultaneously so that the supporting inserting plate 4 cannot move back and forth, the horizontal positioning of the supporting inserting plate 4 is accurately and reliably completed, auxiliary connection of parts is not needed, and disassembly and assembly are convenient.

In order to save the number of parts, two adjacent side support plates 12 can be connected through one support inserting plate 4, similarly, two adjacent adjusting plates 13 can be connected through one support inserting plate 4, one end of each side support plate 12 and one end of each adjusting plate 13, which are close to the support inserting plate 4, are provided with a fourth elongated hole 132 (shown in fig. 3), the fourth elongated holes 132 are transversely arranged in an extending manner, the support inserting plate 4 is provided with at least two fourth threaded holes 44 (shown in fig. 12) corresponding to the fourth elongated holes, each fourth elongated hole is inserted with adjusting screws with the same number as the fourth threaded holes, and the adjusting screws are in threaded connection with the fourth threaded holes; the part replacement and maintenance are convenient, and the weight of part of the side branch plates 12, the adjusting plates 13 and the racks 11 is transferred to the bearing beam 14 through the supporting flashboards 4.

In this embodiment, please refer to fig. 8 and 9, the rack pressing plate 5 includes a horizontal panel 51 and a vertical panel 52, the horizontal panel 51 and the vertical panel 52 are connected to form an L shape, the vertical panel 52 is provided with a plurality of pressing grooves 54 equidistantly arranged along a length direction thereof, each pressing groove 54 is provided with one rack 11 in a matching manner, a supporting arm 112 of each rack 11 is provided with a butt-joint groove 114 in a matching manner with the pressing groove 54, when the rack pressing plate 5 is installed, the pressing groove 54 aligns with the corresponding butt-joint groove 114, the rack pressing plate 5 moves downward, so that the top of the vertical panel 52 is embedded into the butt-joint groove 114, the rack pressing plate 5 presses the rack 11 from top to bottom, it is ensured that the rack 11 cannot vertically shake, and the machining accuracy is improved. And finally, the vertical panel is connected with the side support plate 12 through bolts, so that the rack pressing plate 5 can be conveniently and independently replaced in the later period.

Further, the horizontal panel 51 and the vertical panel 52 of the rack pressing plate 5 are reinforced and connected through a plurality of reinforcing ribs 53, the horizontal panel 51 and the vertical panel 52 of the rack pressing plate 5 and the reinforcing ribs 53 are processed through metal plates and welding, and the stress deformation degree of the rack pressing plate 5 is effectively reduced.

Preferably, referring to fig. 5, 6 and 8, a plurality of ball mounting holes 55 are formed in the horizontal panel 51 of the rack pressing plate 5, and a bearing ball 6 is correspondingly mounted at each ball mounting hole 55. When the laser lath machine is cutting the sheet, the operator presses the sheet against the bearing balls 6, with the help of the bearing balls 6 reducing the friction better, spreading and moving the sheet to the appropriate machining area.

Preferably, at least two positioning side backup plates 7 are arranged on the horizontal panel 51 of the rack pressing plate 5, a bracket 81 is arranged at the rear end of the underframe 21, and a positioning rear backup plate 82 is arranged at the top of the bracket 81. The plate can be positioned by arranging the positioning side backup plate 7 and the positioning rear backup plate 82, and the edge of the plate abuts against the positioning side backup plate 7 and the positioning rear backup plate 82, so that the plate is prevented from sliding out of a bearing area of the rack 11.

Therefore, the rack pressing plate 5 is used as an installation base station for the bearing balls 6 and the positioning side backup plate 7 while pressing the rack 11, the structural characteristics of the rack pressing plate 5 are fully utilized, the inherent mode that a traditional platform frame is used as the installation base station is changed, the overall width of the laser plate cutting machine is shortened after the platform frame is cancelled, and the structure is more compact.

Referring to fig. 13, the present invention further provides a laser board cutting machine, which includes a base frame 21, a laser 22 and a driving device 23 for controlling the movement of the laser, wherein the base frame 21 is provided with the detachable platform structure; since the structure of the detachable platform is described in detail above, it is not described herein again.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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 considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims (10)

1. Divide formula platform structure of tearing open, its characterized in that, including the local workstation that two symmetries set up, every local workstation includes many racks, two collateral branch boards along horizontal extension, is provided with the bearing beam of installing on the chassis between two local workstations, bearing beam and collateral branch board mutually perpendicular, a tip of side extension board all is installed on the chassis through support subassembly detachably, and another tip all can be dismantled with the bearing beam through supporting the picture peg and be connected, and many racks span the setting on two side extension boards, are equipped with the rack press board that is used for fixed rack on every side extension board.

2. The structure of claim 1, wherein the supporting assembly comprises a fixing plate mounted on the chassis, a supporting connecting plate, and a supporting vertical plate disposed on the supporting connecting plate, the supporting connecting plate is provided with a plug hole with a polygonal cross section, a side surface of the supporting vertical plate is provided with a clip interface for the supporting connecting plate to be inserted into, and the clip interface protrudes to form a plug block adapted to the shape of the plug hole.

3. The structure of the split platform according to claim 2, wherein the fixing plate is provided with two symmetrically arranged mounting through holes, the underframe is provided with first threaded holes corresponding to the mounting through holes, the support connecting plate is provided with first elongated holes corresponding to the mounting through holes, and the first elongated holes extend vertically; two second threaded holes which are symmetrically arranged are formed in the top of the supporting vertical plate; a second elongated hole corresponding to the second threaded hole is formed in the side supporting plate and transversely extends; and a third elongated hole corresponding to the second threaded hole is formed in the adjusting plate, and the third elongated hole transversely extends.

4. The structure of a detachable platform according to claim 1, wherein the top surface of the supporting beam is provided with a plurality of slots, the supporting insertion plates are corresponding to the slots in the same number one by one, each supporting insertion plate comprises a connecting portion and two limiting legs symmetrically arranged below the connecting portion, a butt joint for the supporting beam to extend into is formed between the two limiting legs, the two limiting legs are tightly attached to the side surface of the supporting beam, and the connecting portion is embedded into the slots in a matching manner.

5. A split platform structure according to claim 4, wherein two adjacent side branch boards are joined by a support insert board, the side branch boards being screwed to the support insert board; two adjacent adjusting plates are connected through a supporting inserting plate, and the adjusting plates are connected with the supporting inserting plate through screws.

6. The split platform structure of claim 1, wherein the rack pressing plate comprises a horizontal panel and a vertical panel, the horizontal panel and the vertical panel are connected to form an L shape, the vertical panel is provided with a plurality of pressing grooves which are equidistantly arranged along the length direction of the vertical panel, each pressing groove is provided with a rack in a matching manner, the horizontal panel and the vertical panel of the rack pressing plate are connected in an enhanced manner through a plurality of reinforcing ribs, and the vertical panel is connected with the side supporting plate through bolts.

7. The structure of claim 6, wherein the rack comprises a rack body and support arms respectively provided at two ends of the rack body, each support arm is provided with a sliding notch for the top of the side support plate to extend into, and the top of the adjusting plate is provided with a plurality of positioning grooves for the rack to be inserted into; each support arm is provided with a butt joint groove which is matched and arranged with the pressing groove.

8. The structure of claim 6, wherein the horizontal plate of the rack press plate has a plurality of ball mounting holes, and each ball mounting hole is correspondingly provided with a bearing ball.

9. The structure of claim 6, wherein the horizontal panel of the rack press plate is provided with at least two positioning side backup plates, the rear end of the underframe is provided with a support, and the top of the support is provided with a positioning rear backup plate.

10. A laser board cutting machine comprising a base frame, a laser and a drive means for controlling the movement of the laser, wherein the base frame is provided with a split platform structure as claimed in any one of claims 1 to 9.

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