CN114769912B - Modularized cutting platform - Google Patents

Abstract

The invention relates to the technical field of cutting platforms and discloses a modularized cutting platform which comprises more than one working platform, wherein each working platform comprises two first supporting beams, a first vertical beam, a second supporting beam, side supporting plates, clamping grooves, racks and pressing plates, wherein the two first supporting beams are arranged in parallel left and right, the first vertical beam is vertical to the first supporting beams, the second supporting beam is used for connecting the two first vertical beams in the left and right direction, the side supporting plates are respectively arranged on the upper surfaces of the corresponding first supporting beams, the clamping grooves are equidistantly arranged on the side supporting plates, the racks are arranged on the corresponding clamping grooves, and the pressing plates are arranged on the corresponding side supporting plates; the adjacent working platforms are connected through edge protection plates; the cutting platforms with different lengths are spliced by the plurality of working platforms, so that the cutting platform is suitable for plates with various length cutting requirements, and the detached working platform is favorable for cabinet loading and transportation, so that the utilization rate of containers is greatly improved, and the transportation cost is reduced.

Description

Modularized cutting platform

Technical Field

The invention relates to the technical field of cutting platforms, in particular to a modularized cutting platform.

Background

Groove laser cutting equipment generally comprises parts such as lathe bed, cutting platform, crossbeam, groove laser cutting head, and cutting platform comprises platform frame and a plurality of rack components, and the platform frame sets up on the lathe bed, and the crossbeam spanned the lathe bed setting and slides and set up on the lathe bed, and groove laser cutting head slides and sets up on the crossbeam, and when in actual use, the sheet material of waiting to cut is placed on cutting platform, cuts the sheet material through the removal of crossbeam, groove laser cutting head's removal. When cutting large-format plates, the length of the cutting platform is longer, the volume is larger, the transportation is not facilitated, and the cutting platform cannot adapt to the requirements of different cutting plate lengths.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a modular cutting platform, which aims to solve the problem that the existing cutting platform is long in length and cannot adapt to the requirements of different cutting plate lengths.

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

The modularized cutting platform comprises more than one working platform, wherein each working platform comprises two first supporting beams, a first vertical beam, a second supporting beam, side supporting plates, clamping grooves, racks and pressing plates, the two first supporting beams are arranged in parallel left and right, the first vertical beams are vertical to the first supporting beams, the second supporting beams are used for connecting the two first vertical beams in the left and right directions, the side supporting plates are respectively arranged on the upper surfaces of the corresponding first supporting beams, the clamping grooves are formed in the side supporting plates at equal intervals, the racks are arranged on the corresponding clamping grooves, and the pressing plates are arranged on the corresponding side supporting plates; the adjacent working platforms are connected through edge protection plates.

The modularized cutting platform comprises a first supporting beam, a second supporting beam and a plurality of rack clamping plate fixing seats, wherein the two second supporting beams are respectively provided with a plurality of rack clamping plate fixing seats at equal intervals on the inner side walls of the first supporting beam, the two rack clamping plate fixing seats on the second supporting beam are oppositely arranged, the two rack clamping plate fixing seats which are oppositely arranged are provided with rack clamping plates, slots for the racks to be inserted are formed in the rack clamping plates at equal intervals, and a plurality of racks are arranged in the corresponding slots.

The modularized cutting platform is characterized in that V-shaped protection plates are arranged at two ends of the rack clamping plate respectively, a notch corresponding to the slot is arranged on each V-shaped protection plate, and the rack is arranged in the notch.

The modularized cutting platform comprises two side support plates on each first support beam, and side positioning plates are arranged in gaps between the two side support plates; the second support beam at the forefront end or the rearmost end is provided with a main positioning plate, and the inner side wall of the main positioning plate is abutted with the corresponding rack.

The modularized cutting platform is characterized in that an inclined workbench sealing plate is arranged between the first vertical beams in the front-rear direction, and a first heat insulation plate is arranged on the upper surface of the workbench sealing plate; an inclined side protection plate is arranged between the first vertical beams in the left-right direction, and a second heat insulation plate is arranged on the upper surface of the side protection plate.

The modular cutting platform comprises a workbench sealing plate and a tilting plate, wherein the length of the vertical plate is greater than that of the tilting plate, and the outer side wall of the vertical plate is connected with the inner side wall of the first vertical beam; the upper end of the inclined plate is provided with a first extension plate, the lower end of the vertical plate is provided with a second extension plate, and the outer side wall of the first extension plate is connected with the outer side wall of the adjacent first extension plate.

The modularized cutting platform is characterized in that a protective clamping plate is arranged on the upper surface of the inclined plate, the tail end of the protective clamping plate stretches into the working platform, the tail end of the protective clamping plate is tilted upwards, and the first heat insulation plate is arranged on the protective clamping plate.

The modularized cutting platform is characterized in that protection plate fixing blocks are respectively arranged at two ends of the vertical plate, two protection plate buckles are arranged on the outer side walls of the side protection plates, and the two protection plate buckles are respectively connected with the corresponding protection plate fixing blocks in a clamping mode.

The modularized cutting platform is characterized in that a protection plate supporting block is arranged between the first supporting beams in the front-back direction, a workbench graphite plate is arranged on the protection plate supporting block, and a main protection plate is arranged on the outer side wall of the workbench graphite plate.

The modular cutting platform further comprises a second vertical beam arranged between the first vertical beams in the left-right direction, and the workbench sealing plate is arranged between the first vertical beam and the second vertical beam; the upper portion of the first vertical beam is provided with a first U-shaped groove for the second supporting beam to pass through, and the upper portion of the second vertical beam is provided with a second U-shaped groove for the second supporting beam to pass through.

The beneficial effects are that:

The invention provides a modularized cutting platform, which is characterized in that a first supporting beam, a second supporting beam and a first vertical beam are arranged for forming a working platform; a side stay plate for mounting the rack; the pressing plates are used for fixing the two ends of the racks to form a working platform for supporting the plate; the cutting platforms with different lengths are spliced by the plurality of working platforms, so that the cutting platform is suitable for plates with various length cutting requirements, and the detached working platform is favorable for cabinet loading and transportation, so that the utilization rate of containers is greatly improved, and the transportation cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a modular cutting platform according to the present invention.

Fig. 2 is a schematic structural diagram of two working platforms when they are spliced.

Fig. 3 is a schematic structural view of the working platform.

Fig. 4 is a schematic view of a partial structure of a work platform.

Fig. 5 is a schematic structural view of the working platform after the racks are removed.

Fig. 6 is a schematic view of a structure of the table closing plate.

Fig. 7 is a schematic view of a partial structure of the working platform after the first vertical beam is removed.

Fig. 8 is a schematic view of a partial structure of the front end of the work platform.

Fig. 9 is a partial schematic structural view of a second vertical beam.

Description of main reference numerals: the device comprises a D-modular cutting platform, a D1-working platform, a D11-first supporting beam, a D111-first graphite plate, a D112-side supporting plate, a D113-pressing plate, a D12-second supporting beam, a D121-second graphite plate, a D122-graphite clamping plate, a D123-rack clamping plate fixing seat, a D124-rack clamping plate, a D125-V-shaped protection plate, a D13-first vertical beam, a D14-second vertical beam, a D141-second U-shaped groove, a D142-third graphite plate, a D143-graphite coaming plate, a D144-graphite backing plate, a D145-third heat insulation plate, a D15-third supporting beam, a D16-rack, a D17-side positioning plate, a D18-main positioning plate, a D19-skip limiting plate, a D2-working table sealing plate, a D201-vertical plate, a D202-inclined plate, a D203-first extension plate, a D204-second extension plate, a D21-first heat insulation plate, a D22-clamping plate, a D23-protection plate, a D3-side protection plate fixing block, a D31-second protection plate, a D32-foot protection plate, a D32-support plate, a D4-working table, a D4-support plate, a D5-base, a D4-table protection plate, a D7, a regulation and a support plate.

Detailed Description

The invention provides a modularized cutting platform, which is further described in detail below with reference to the accompanying drawings and examples in order to make the purposes, technical schemes and effects of the invention clearer and more definite. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1-4, the present invention provides a modular cutting platform, which includes more than one working platform D1, wherein each working platform D1 includes two first support beams D11 disposed in parallel left and right, a first vertical beam D13 vertical to the first support beams D11, a second support beam D12 for connecting the two first vertical beams D13 in the left and right direction, side support plates D112 respectively disposed on the upper surfaces of the corresponding first support beams D11, clamping grooves equidistantly disposed on the side support plates D112, racks D16 disposed on the corresponding clamping grooves, and a pressing plate D113 disposed on the corresponding side support plates D112; the adjacent working platforms D1 are connected through edge protection plates D9.

During installation, the working platform D1 formed by the first supporting beam D11, the second supporting beam D12 and the first vertical beam D13 is spliced, then racks D16 are inserted into corresponding clamping grooves one by one, the ends of the racks D16 are fixed by using the pressing plate D113, the working platform D1 is installed, the working platforms D1 are spliced together, the adjacent working platforms D1 are spliced by fixing the edge protection plates D9 through screws, and quick assembly and disassembly are realized.

When in actual use, the lathe bed forms the cavity, modularization cutting platform D sets up in hollow lathe bed, can be according to customer's cutting sheet material length's demand, splice a plurality of work platform D1 together through border guard board D9, form the different cutting platform of length, make modularization cutting platform D is suitable for the sheet material of various length cutting demands and carries out laser cutting, and the practicality is very strong, and work platform D1 after the dismantlement is favorable to the cabinet transportation moreover, has improved the utilization ratio of container greatly, reduces the transportation expense.

Referring to fig. 4-5, further, a plurality of rack clamping plate fixing seats D123 are respectively provided on the inner side walls of the two second supporting beams D12 at equal intervals, the rack clamping plate fixing seats D123 on the two second supporting beams D12 are oppositely provided, rack clamping plates D124 are provided on the two oppositely provided rack clamping plate fixing seats D123, slots into which the racks D16 are inserted are provided on the rack clamping plates D124 at equal intervals, and a plurality of racks D16 are provided in the corresponding slots. Similarly, the rack clamping plate fixing seat D123 is also fixed on the second support beam D12 through a screw; the rack clamping plate D124 is used for positioning and reinforcing the long rack D16, and improving the supporting effect on the large-breadth plate.

Referring to fig. 4-5, further, V-shaped protection plates D125 are respectively disposed at two ends of the rack clamping plate D124, a notch corresponding to the slot is disposed on the V-shaped protection plate D125, and the rack D16 is disposed in the notch. The V-shaped protection plate D125 is used for protecting the second support beam D12 and preventing laser generated by the groove laser cutting head from being emitted to the second support beam D12.

Referring to fig. 3, further, two side support plates D112 are provided on each of the first support beams D11, and a side positioning plate D17 is disposed in a space between the two side support plates D112; the second support beam D12 at the foremost end or the rearmost end is provided with a main positioning plate D18, and the inner side wall of the main positioning plate D18 abuts against the corresponding rack D16. During installation, the position of the rack clamping plate D124 is adjusted firstly, specifically, a waist-shaped hole extending along the length direction of the rack clamping plate D124 is formed in the rack clamping plate D124, fine adjustment is carried out on the position of the rack D16 on the rack clamping plate D124, the position of the rack D16 positioned at the forefront or at the last is contacted with the main positioning plate D18, and similarly, the side positioning plate D17 is arranged for assisting in installation of the rack D16.

Referring to fig. 3 and 5, further, an inclined workbench sealing plate D2 is disposed between the first vertical beams D13 in the front-rear direction, and a first heat insulation plate D21 is disposed on the upper surface of the workbench sealing plate D2; an inclined side protection plate D3 is arranged between the first vertical beams D13 in the left-right direction, and a second heat insulation plate D31 is arranged on the upper surface of the side protection plate D3. When the groove cutting head is moved to the edge of the cutting platform to cut the plate in a groove, the first heat insulation board D21 and the second heat insulation board D31 can effectively prevent laser generated by the groove laser cutting head from striking the periphery or the outside of the cutting platform, so that other parts are damaged or the human body is injured, and the protection effect is achieved; and the workbench sealing plate D2 and the side protection plate D3 divide the workbench D1 into a plurality of cavities, so that a skip car is conveniently placed in the cavities for dust collection and chip collection. The inclined side protection plates D3 are arranged on two sides of the working platform D1 to form a convection port, and air convection is formed during air suction, so that the effects of cooling and dust suction are achieved. In this embodiment, the first heat shield D21, the second heat shield D31 and the third heat shield D145 are all refractory bricks.

Referring to fig. 6, further, the table sealing plate D2 includes a vertical plate D201 and an inclined plate D202, the length of the vertical plate D201 is greater than that of the inclined plate D202, and an outer sidewall of the vertical plate D201 is connected with an inner sidewall of the first vertical beam D13; the upper end of the inclined plate D202 is provided with a first extension plate D203, the lower end of the vertical plate D201 is provided with a second extension plate D204, and the outer side wall of the first extension plate D203 is connected with the outer side wall of the adjacent first extension plate D203. The inclined plate D202 is arranged for placing the first heat insulation plate D21, and the vertical plate D201 is arranged for enclosing each working platform D1 into a cavity for dust extraction. The second extension plate D204 is provided for guiding dust, fines into the skip. The first extension plate D203 is used for enhancing the connection stability between the working platform D1 and the working platform D1; when being installed, the adjacent second extension plates D204 are fixed by screws.

Referring to fig. 7, further, a protective clamping plate D22 is disposed on the upper surface of the inclined plate D202, the end of the protective clamping plate D22 extends into the working platform D1, the end of the protective clamping plate D22 is tilted upward, and the first heat insulation plate D21 is disposed on the protective clamping plate D22. Because the workbench sealing plate D2 is obliquely arranged, the first heat insulation plate D21 arranged on the workbench sealing plate D is difficult to position, and the protective clamping plate D22 is used for limiting the first heat insulation plate D21 on the workbench sealing plate D, so that the positioning function is realized.

Referring to fig. 3 and 7, further, a skip limiting plate D19 is disposed on the inner sidewall of the first vertical beam D13 located on the left side or the right side. The skip is spacing two in the cavity that skip limiting plate D19 encloses, workstation shrouding D2 and the side guard board D3 that the slope set up collect dust, the fine powder that produce when cutting groove laser cutting head on the skip.

Referring to fig. 7, further, two ends of the vertical plate D201 are respectively provided with a protection plate fixing block D23, an outer sidewall of the side protection plate D3 is provided with two protection plate buckles D32, and the two protection plate buckles D32 are respectively clamped with the corresponding protection plate fixing blocks D23. The structure adopts the design of quick disassembly and quick assembly, quickens the installation and disassembly speeds of the side protection plate D3, and is convenient for replacement and maintenance.

Referring to fig. 5 and 8, further, a protection plate support block D4 is disposed between the first support beams D11 in the front-rear direction, a workbench graphite plate D41 is disposed on the protection plate support block D4, and a main protection plate D42 is disposed on an outer side wall of the workbench graphite plate D41. The graphite plate has high temperature resistant, thermal-insulated effect, prevents heat transfer to work platform D1 on, and plays further to prevent laser direct to hit and cause the damage to other parts on it. The arrangement of the main protection plate D42 provides an arrangement space for the table graphite plate D41.

Referring to fig. 5 and 8, further, the inner side walls of the two first support beams D11 are provided with first graphite plates D111 extending along the length direction thereof, and the upper surfaces of the two second support beams D12 are provided with second graphite plates D121 extending along the length direction thereof. Similarly, the first graphite sheet D111 and the second graphite sheet D121 are provided for protecting the first support beam D11 and the second support beam D12, respectively.

Referring to fig. 5 and 9, further, a plurality of graphite clamping plates D122 are equidistantly disposed on the outer side wall and the inner side wall of the second support beam D12, and the rack clamping plate fixing seat D123 is disposed between the graphite clamping plates D122. The graphite clamping plates D122 are used for further protecting the two sides of the second supporting beam D12.

Referring to fig. 5 and 9, further, the working platform D1 further includes a second vertical beam D14 disposed between the first vertical beams D13 in the left-right direction, and the working platform sealing plate D2 is disposed between the first vertical beams D13 and the second vertical beams D14; the upper part of the first vertical beam D13 is provided with a first U-shaped groove through which the second support beam D12 passes, and the upper part of the second vertical beam D14 is provided with a second U-shaped groove D141 through which the second support beam D12 passes. Specifically, a third support beam D15 is further disposed between the second vertical beams D14 in the front-rear direction, and graphite plates are also disposed on the upper surface and two side surfaces of the third support beam D15. Through setting up the work platform D1 that comprises first supporting beam D11, second supporting beam D12, third supporting beam D15, first vertical beam D13, second vertical beam D14, simple structure, structural strength are good.

Referring to fig. 9, further, a third graphite plate D142 is disposed on the upper surface of the second vertical beam D14, and a graphite coaming D143 is disposed on the outer periphery of the third graphite plate D142. The third graphite plate D142 is provided for protecting the upper surface of the second vertical beam D14, and the graphite coaming D143 is provided for protecting the upper portion of the second vertical beam D14.

Referring to fig. 9, further, an inclined graphite backing plate D144 is further disposed between the table sealing plate D2 and the adjacent table sealing plate D2, and a third heat insulation plate D145 is disposed on the upper surface of the graphite backing plate D144. In actual use, a certain gap is formed between the workbench sealing plate D2 and the workbench sealing plate D2, and the graphite backing plate D144 and the third heat insulation plate D145 are arranged in the gap to realize full-scale protection.

Referring to fig. 7, further, a table foot plate D5 is disposed on the lower surface of the first vertical beam D13, a table foot extension plate D6 is disposed below the table foot plate D5, and an adjusting foot cup D7 and an adjusting screw D8 are disposed between the table foot plate D5 and the table foot extension plate D6; and the adjusting foot cup D7 and the adjusting screw rod D8 are connected with adjusting nuts in a threaded manner. Through the arrangement, the levelness of each working platform D1 can be adjusted according to the flatness of the ground of the client workshop. Specifically, the working platform D1 is fixed by using the explosion-pulling screws, so that the working platform D1 is prevented from being displaced due to collision between the plate and the working platform D1 when the plate with the thicker thickness is fed.

In summary, the present invention is provided with the first support beam D11, the second support beam D12, and the first vertical beam D13 for forming the work platform D1; a side stay D112 for mounting the rack D16; the pressing plates D113 are used for fixing the two ends of the rack D16 to form a working platform D1 for supporting the plate; the cutting platforms with different lengths are spliced through the plurality of working platforms D1, the cutting platform is suitable for plates with various length cutting requirements, and the detached working platform D1 is favorable for cabinet loading and transportation, so that the utilization rate of containers is greatly improved, and the transportation cost is reduced. The rack clamping plate fixing seat D123 and the rack clamping plate D124 are arranged and used for fixing the long rack D16. A V-shaped shielding plate D125 is provided for shielding the second support beam D12. A side positioning plate D17 and a main positioning plate D18 are provided for positioning the mounting of the rack D16. The workbench sealing plate D2 for bearing the first heat insulation plate D21 and the side protection plate D3 for bearing the second heat insulation plate D31 are arranged to form a heat insulation protection area, so that laser is effectively prevented from striking around the platform, and other parts are prevented from being damaged; and the side protection plates D3 obliquely arranged at two sides form a convection port, so that air convection is formed during air suction, and the effects of cooling and dust suction are achieved. The inclined plate D202 is provided for supporting the first heat insulating plate D21. A vertical plate D201 is provided for enclosing each work platform D1 into a cavity for dust extraction. The first extension plate D203 is provided for reinforcing the work platform D1. A second extension plate D204 is provided for guiding. A protective clamping plate D22 is provided for positioning the first heat insulating plate D21. A skip limiting plate D19 is arranged for limiting the skip. And a protection plate fixing plate and a protection plate buckle D32 are arranged, so that quick disassembly and quick assembly of the side protection plate D3 are realized. The workbench graphite plate D41 and the main protection plate D42 are arranged for protecting the front end and the rear end of the cutting platform. The first graphite plate D111, the second graphite plate D121, the third graphite plate D142, the graphite clamping plate D122 and the third heat insulation plate D145 are all used for heat insulation and protection. A second vertical beam D14 and a third support beam D15 are provided for reinforcing the work platform D1. The adjusting foot cup D7 and the adjusting screw rod D8 are used for adjusting the levelness of each working platform D1.

In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present invention and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention.

Claims (5)

1. The modularized cutting platform is characterized by comprising more than one working platform, wherein each working platform comprises two first supporting beams, first vertical beams, second supporting beams, side supporting plates, clamping grooves, racks and pressing plates, wherein the two first supporting beams are arranged in parallel left and right, the first vertical beams are vertical to the first supporting beams, the second supporting beams are used for connecting the two first vertical beams in the left and right directions, the side supporting plates are respectively arranged on the upper surfaces of the corresponding first supporting beams, the clamping grooves are formed in the side supporting plates at equal intervals, the racks are arranged on the corresponding clamping grooves, and the pressing plates are arranged on the corresponding side supporting plates; the adjacent working platforms are connected through edge protection plates; an inclined workbench sealing plate is arranged between the first vertical beams in the front-rear direction, and a first heat insulation plate is arranged on the upper surface of the workbench sealing plate; an inclined side protection plate is arranged between the first vertical beams in the left-right direction, and a second heat insulation plate is arranged on the upper surface of the side protection plate; the workbench sealing plate comprises a vertical plate and an inclined plate, the length of the vertical plate is longer than that of the inclined plate, and the outer side wall of the vertical plate is connected with the inner side wall of the first vertical beam; the upper end of the inclined plate is provided with a first extension plate, the lower end of the vertical plate is provided with a second extension plate, and the outer side wall of the first extension plate is connected with the outer side wall of the adjacent first extension plate; the upper surface of the inclined plate is provided with a protective clamping plate, the tail end of the protective clamping plate stretches into the working platform, the tail end of the protective clamping plate is tilted upwards, and the first heat insulation plate is arranged on the protective clamping plate; the two ends of the vertical plate are respectively provided with a protection plate fixing block, the outer side wall of the side protection plate is provided with two protection plate buckles, and the two protection plate buckles are respectively clamped with the corresponding protection plate fixing blocks; the working platform further comprises a second vertical beam arranged between the first vertical beams in the left-right direction, and the working platform sealing plate is arranged between the first vertical beam and the second vertical beam; the upper portion of the first vertical beam is provided with a first U-shaped groove for the second supporting beam to pass through, and the upper portion of the second vertical beam is provided with a second U-shaped groove for the second supporting beam to pass through.

2. The modular cutting deck of claim 1, wherein a plurality of rack card holders are respectively disposed on inner side walls of the two second support beams at equal intervals, the rack card holders on the two second support beams are disposed opposite to each other, rack cards are disposed on the two rack card holders disposed opposite to each other, slots for inserting the racks are disposed on the rack cards at equal intervals, and a plurality of racks are disposed in the corresponding slots.

3. The modular cutting deck of claim 2 wherein the rack card is provided with V-shaped shields at each end, the V-shaped shields being provided with notches corresponding to the slots, the racks being disposed in the notches.

4. The modular cutting deck of claim 1 wherein there are two side gussets on each of said first support beams, side locating plates being disposed in the space between two of said side gussets; the second support beam at the forefront end or the rearmost end is provided with a main positioning plate, and the inner side wall of the main positioning plate is abutted with the corresponding rack.

5. The modular cutting deck of claim 1, wherein guard plate blocks are provided between the first support beams in the fore-and-aft direction, a table graphite plate is provided on the guard plate blocks, and a main guard plate is provided on an outer sidewall of the table graphite plate.