Polystyrene extruded sheet slotting mechanism

Abstract

The utility model relates to the technical field of polystyrene extruded sheet processing, in particular to a polystyrene extruded sheet slotting mechanism which can conveniently adjust the slotting depth and the distance between strip-shaped grooves as required, improve the slotting accuracy and improve the processing quality. Comprising a working frame, a plurality of supporting legs and two stand columns, the supporting legs are fixedly installed at the four corners of the bottom end of the working frame, the bottoms of the supporting legs make contact with the ground, and the two stand columns are fixedly installed on the outer walls of the front end and the rear end of the working frame; a conveying cavity is formed in the top of the working frame, the conveying mechanism is installed in the conveying cavity, the guide limiting mechanism is installed on the left portion of the top end of the working frame, the pressing mechanism is installed on the side walls of the front end and the rear end of the left portion of the working frame, and the grooving mechanism is installed on the stand column. The adjusting assembly is installed on the grooving assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of polystyrene extruded board processing, in particular to a polystyrene extruded board slotting mechanism. Background Art

[0002] Polystyrene extruded board is a material that is continuously extruded and foamed by a special process. It has the characteristics of high pressure resistance, light weight, non-absorbent, airtight, wear-resistant and non-degradable. It is widely used in building insulation and waterproofing and moisture-proofing in humid environments. In order to facilitate the actual installation, it is necessary to open a mounting groove of a certain depth on the surface of the extruded polystyrene insulation board. A double-sided slotting machine for foamed extruded board proposed in prior art publication number CN213499483U can drive the rotating shaft to rotate by using a first motor, thereby driving multiple groups of slotting saw blades on the rotating shaft to rotate, so that the slotting saw blade can slot the board. However, when it is in use, the height of the slotting saw blade cannot be adjusted, so it is not convenient to adjust the depth of the slotting according to needs. At the same time, it is also not convenient to adjust the spacing between multiple groups of slotting saw blades, and the spacing between the strip grooves cannot be adjusted according to needs. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a polystyrene extruded board grooving mechanism which can conveniently adjust the grooving depth according to needs, adjust the spacing between the strip grooves, improve the accuracy of grooving, and improve the processing quality.

[0004] The utility model discloses a polystyrene extruded board slotting mechanism, comprising a working frame, a plurality of legs and two columns, wherein the legs are fixedly mounted at the four corners of the bottom end of the working frame, the bottoms of the legs are in contact with the ground, and the two columns are fixedly mounted on the outer walls at the front and rear ends of the working frame; the utility model also comprises a conveying mechanism, a guide limiting mechanism, a clamping mechanism, a slotting mechanism, an adjusting component and a dust collecting mechanism, wherein a conveying cavity is provided on the top of the working frame, the conveying mechanism is mounted in the conveying cavity, the guide limiting mechanism is mounted on the left top end of the working frame, the clamping mechanism is mounted on the side walls at the front and rear ends of the left part of the working frame, the slotting mechanism is mounted on the columns, the adjusting component is mounted on the slotting component, the dust collecting mechanism is located on the right side of the slotting mechanism, and is mounted on the working frame. On the front and rear end side walls of the rack; the polystyrene extruded board is loaded on the left end of the working rack, and the polystyrene extruded board is conveyed to the right by the conveying mechanism, and the front and rear ends of the polystyrene extruded board are clamped and guided by the guide and limiting mechanism to ensure that the polystyrene extruded board is located in the middle position, thereby improving the accuracy during grooving and improving the processing quality. The polystyrene extruded board is pressed by the clamping mechanism during transportation to avoid slipping and improve the transportation efficiency. The grooving mechanism can conveniently adjust the grooving depth as needed, and the adjustment component can conveniently adjust the spacing between the strip grooves as needed. When the polystyrene extruded board after grooving passes through the dust collection mechanism, the impurities remaining on the surface of the polystyrene extruded board are collected to avoid affecting the working environment.

[0005] Preferably, the conveying mechanism includes two conveying shafts, two rollers, a conveyor belt, a support roller, a transmission and a conveying motor. The two conveying shafts are rotatably installed at the left and right ends of the conveying cavity. Rollers are fixedly installed on the outer walls of the conveying shafts. A conveyor belt is installed between the two rollers. The support roller is rotatably installed in the middle of the conveying cavity and is located below the slotting position. The input end of the left end conveying shaft passes through the conveying cavity and is connected to the output end of the transmission, and the input end of the transmission is connected to the input end of the conveying motor. The conveying motor is started to drive the conveying shaft to rotate through the transmission, and the conveying shaft drives the roller to rotate, so that the two rollers drive the conveyor belt to rotate, and the polystyrene extruded board is transported to the right. When the polystyrene extruded board is slotted, its bottom can be supported by the support roller to ensure the accuracy of the slotting.

[0006] Preferably, the guide and limiting mechanism includes a rotating rod, a servo motor, two adjusting blocks, two guide frames and two guide rollers. An adjusting slot is provided at the top left end of the working frame, and the rotating rod is rotatably installed in the adjusting slot. The rear end of the rotating rod passes through the adjusting slot and is connected to the output end of the servo motor. Threaded slots are symmetrically provided on the outer wall of the rotating rod. The two adjusting blocks are symmetrically screwed on the outer wall of the rotating rod, and the adjusting blocks are slidably installed in the adjusting slot. A guide frame is fixedly installed on the top of the adjusting block, and a guide roller is rotatably installed on the guide frame. When the polystyrene extruded board is loaded on the left part of the working frame, the front and rear ends are guided and limited by the guide rollers so that the polystyrene extruded board is located in the middle position, thereby improving the accuracy of grooving and the processing quality. The servo motor is started to drive the rotating rod to rotate, thereby driving the position of the adjusting block in the adjusting slot. The adjusting block drives the guide frame to move at the top of the working frame to adjust the distance between the two guide rollers, which is suitable for polystyrene extruded boards of different widths.

[0007] Preferably, the clamping mechanism includes two second columns, two sliders, two guide rods and a clamping roller, the two second columns are fixedly mounted on the front and rear end side walls of the working frame, a sliding groove is provided on the upper part of the second column, the guide rod is fixedly mounted in the sliding groove, the two sliders are slidably mounted on the outer wall of the guide rod, the upper part of the guide rod is provided with a clamping spring, the bottom end of the clamping spring is connected to the top of the slider, and a clamping roller is rotatably mounted between the two sliders; when the polystyrene extruded board is conveyed to the right and passes through the clamping roller, the clamping spring pushes the slider to slide on the guide rod, so that the clamping roller clamps the polystyrene extruded board to avoid slipping and improve the conveying efficiency.

[0008] Preferably, the slotting mechanism comprises two telescopic cylinders, two sliding plates, a fixed seat, a rotating shaft, a second transmission, a plurality of sliding sleeves and a plurality of slotting saw blades, the telescopic cylinder is fixedly mounted on the outer wall of the column, a movable slot is opened on the upper portion of the column, the sliding plate is slidably mounted in the movable slot, the bottom of the sliding plate is connected to the telescopic end of the telescopic cylinder, the fixed seat is fixedly mounted on the top of the rear sliding plate, one end of the rotating shaft is rotatably mounted on the fixed seat, the input end of the rotating shaft is connected to the output end of the second transmission, the second transmission is mounted on the top of the front sliding plate, the input end of the second transmission is connected to the slotting motor, the rotating shaft is axially provided with a spline, the sliding sleeve is slidably mounted on the rotating shaft, and the slotting saw blade is installed on the sliding sleeve; starting the slotting motor drives the rotating shaft to rotate through the second transmission, and the rotating shaft drives the slotting saw blade to rotate through the sliding sleeve to slot the polystyrene extruded board, and starting the telescopic cylinder drives the sliding plate to move downward in the movable slot, so that the slotting depth can be adjusted according to needs, which is suitable for use with plates of different thicknesses and has a wide range of applications.

[0009] Preferably, the adjusting assembly includes a mounting frame, a sliding column, multiple adjusting sliders, multiple shift forks and multiple shift blocks, the mounting frame is fixedly mounted on the right side wall of the column, a scale line is arranged on the top of the mounting frame, a shift slide groove is inside the mounting frame, the sliding column is fixedly mounted in the shift slide groove, a rectangular slide groove is provided at the left end and the top of the shift slide groove, multiple adjusting sliders are slidably mounted on the outer wall of the sliding column, and the adjusting slider is slidably mounted in the shift slide groove, the left end of the adjusting slider is connected with a shift fork, the slotted saw blade is located in the middle of the shift fork, a toggle block is fixedly mounted on the top of the adjusting slider, and a fastening bolt is arranged on the toggle block; the adjusting slider is driven to slide on the sliding column by the toggle block, and the adjusting slider drives the shift fork to toggle the slotted saw blade to slide on the rotating shaft, so as to facilitate the adjustment of the distance between two adjacent groups of slotted saw blades according to needs, and to facilitate the adjustment of the spacing between the strip grooves according to needs.

[0010] Preferably, the dust suction mechanism includes two third columns, two second sliders, two springs, a cleaning roller and a dust hood, the two third columns are fixedly mounted on the front and rear end side walls on the right side of the work frame, a rectangular groove is opened on the upper part of the third column, a guide column is arranged in the rectangular groove, the second slider is slidably mounted on the guide column, the spring is sleeved on the upper part of the guide column, a cleaning roller is rotatably mounted between the two second sliders, the input end of the cleaning roller is connected to the output end of the reduction motor, the dust hood is mounted on the right end of the two second sliders, and a dust collector is arranged on the dust hood; the reduction motor is started to drive the cleaning roller to rotate, and the grooved polystyrene extruded board passes through the cleaning roller, and the dust on its surface is cleaned into the dust hood, and at the same time, the dust inside the dust hood is extracted by the vacuum cleaner, and the impurities remaining on its surface are collected and processed to avoid affecting the working environment.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the polystyrene extruded board is loaded on the left end of the working frame, the polystyrene extruded board is conveyed to the right by the conveying mechanism, the front and rear ends of the polystyrene extruded board are clamped and guided by the guide and limiting mechanism to ensure that the polystyrene extruded board is in the middle position, thereby improving the accuracy during grooving and the processing quality; the polystyrene extruded board is pressed by the clamping mechanism during transportation to avoid slipping and improve the transportation efficiency; the grooving mechanism can conveniently adjust the grooving depth as needed, and the adjusting component can conveniently adjust the spacing between the strip grooves as needed; the impurities remaining on the surface of the grooved polystyrene extruded board are collected when passing through the dust collection mechanism to avoid affecting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the utility model viewed from above;

[0015] Figure 4 It is a first cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a second cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. working frame; 2. supporting legs; 3. column; 4. conveying shaft; 5. rotating roller; 6. conveyor belt; 7. supporting roller; 8. transmission; 9. conveying motor; 10. rotating rod; 11. servo motor; 12. adjusting block; 13. guide frame; 14. guide roller; 15. second column; 16. slider; 17. guide rod; 18. clamping roller; 19. telescopic cylinder; 20. sliding plate; 21. fixed seat; 22. rotating shaft; 23. second transmission; 24. sliding sleeve; 25. slotting saw blade; 26. mounting frame; 27. sliding column; 28. adjusting slider; 29. ​​shift fork; 30. shifting block; 31. third column; 32. second slider; 33. spring; 34. cleaning roller; 35. dust hood. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, legs 2 are fixedly installed at the four corners of the bottom end of the working frame 1, the bottom of the legs 2 is in contact with the ground, two columns 3 are fixedly installed on the outer walls of the front and rear ends of the working frame 1, a conveying cavity is opened on the top of the working frame 1, two conveying shafts 4 are rotatably installed at the left and right ends of the conveying cavity, rollers 5 are fixedly installed on the outer walls of the conveying shafts 4, a conveyor belt 6 is installed between the two rollers 5, a support roller 7 is rotatably installed in the middle of the conveying cavity and is located below the slot position, the input end of the left end conveying shaft 4 passes through the conveying cavity and is connected to the output end of the transmission 8, and the input end of the transmission 8 The end is connected to the input end of the conveying motor 9, an adjustment slot is provided at the top left end of the working frame 1, a rotating rod 10 is rotatably installed in the adjustment slot, the rear end of the rotating rod 10 passes through the adjustment slot and is connected to the output end of the servo motor 11, a threaded slot is symmetrically provided on the outer wall of the rotating rod 10, two adjustment blocks 12 are symmetrically screwed on the outer wall of the rotating rod 10, and the adjustment blocks 12 are slidably installed in the adjustment slot, a guide frame 13 is fixedly installed on the top of the adjustment block 12, a guide roller 14 is rotatably installed on the guide frame 13, a telescopic cylinder 19 is fixedly installed on the outer wall of the column 3, and the upper part of the column 3 is provided with a screw thread. The movable groove is provided, and the sliding plate 20 is slidably installed in the movable groove. The bottom end of the sliding plate 20 is connected to the telescopic end of the telescopic cylinder 19. The fixed seat 21 is fixedly installed on the top of the rear sliding plate 20. One end of the rotating shaft 22 is rotatably installed on the fixed seat 21. The input end of the rotating shaft 22 is connected to the output end of the second transmission 23. The second transmission 23 is installed on the top of the front sliding plate 20. The input end of the second transmission 23 is connected to the slotting motor. The rotating shaft 22 is axially provided with a spline. The sliding sleeve 24 is slidably sleeved on the rotating shaft 22. The sliding sleeve 24 is installed with a slotting saw blade 25 The mounting frame 26 is fixedly mounted on the right side wall of the column 3, a scale line is arranged on the top of the mounting frame 26, a toggle slide groove is arranged inside the mounting frame 26, a slide column 27 is fixedly mounted in the toggle slide groove, a rectangular slide groove is arranged at the left end and the top of the toggle slide groove, a plurality of adjusting sliders 28 are slidably mounted on the outer wall of the slide column 27, and the adjusting slider 28 is slidably mounted in the toggle slide groove, a shift fork 29 is connected to the left end of the adjusting slider 28, a slotted saw blade 25 is located in the middle of the shift fork 29, a toggle block 30 is fixedly mounted on the top of the adjusting slider 28, and a fastening bolt is arranged on the toggle block 30;

[0021] When the polystyrene extruded board is loaded on the left side of the working frame 1, the front and rear ends are guided and limited by the guide rollers 14, so that the polystyrene extruded board is located in the middle position, the accuracy of slotting is improved, and the processing quality is improved. The servo motor 11 is started to drive the rotating rod 10 to rotate, and the position of the adjusting block 12 in the adjusting groove is driven by the adjusting block 12. The guide frame 13 moves at the top of the working frame 1 to adjust the distance between the two guide rollers 14, which is suitable for polystyrene extruded boards of different widths. The conveying motor 9 is started to drive the conveying shaft 4 to rotate through the transmission 8, and the conveying shaft 4 drives the roller 5 to rotate, so that the two rollers 5 drive the conveyor belt 6 to rotate, and the polystyrene extruded board is conveyed to the right. When the polystyrene extruded board is slotted, it passes through the support rollers. 7 can support its bottom to ensure the accuracy of grooving. Start the grooving motor to drive the rotating shaft 22 to rotate through the second transmission 23. The rotating shaft 22 drives the grooving saw blade 25 to rotate through the sliding sleeve 24 to groove the polystyrene extruded board. Start the telescopic cylinder 19 to drive the sliding plate 20 to move downward in the moving groove, so as to adjust the grooving depth according to needs. It is suitable for use with plates of different thicknesses and has a wide range of applications. The adjusting slider 28 is driven by the toggle block 30 to slide on the sliding column 27. The adjusting slider 28 drives the fork 29 to toggle the grooving saw blade 25 to slide on the rotating shaft 22, so as to facilitate the adjustment of the distance between the two adjacent groups of grooving saw blades 25 according to needs, and to facilitate the adjustment of the spacing between the strip grooves according to needs.

[0022] Example 2

[0023] like Figure 2 , Figure 4 and Figure 5 As shown, on the basis of Example 1, it also includes two second columns 15 fixedly installed on the front and rear end side walls of the working frame 1, a sliding groove is opened on the upper part of the second column 15, a guide rod 17 is fixedly installed in the sliding groove, two sliders 16 are slidably installed on the outer wall of the guide rod 17, a compression spring is sleeved on the upper part of the guide rod 17, the bottom end of the compression spring is connected to the top of the slider 16, a compression roller 18 is rotatably installed between the two sliders 16, two third columns 31 are fixedly installed on the front and rear end side walls of the right side of the working frame 1, a rectangular groove is opened on the upper part of the third column 31, a guide column is arranged in the rectangular groove, the second slider 32 is slidably installed on the guide column, a spring 33 is sleeved on the upper part of the guide column, a cleaning roller 34 is rotatably installed between the two second sliders 32, the input end of the cleaning roller 34 is connected to the output end of the reduction motor, a dust hood 35 is installed at the right end of the two second sliders 32, and a dust collector is arranged on the dust hood 35;

[0024] When the polystyrene extruded board is transported to the right and passes through the clamping roller 18, the clamping spring pushes the slider 16 to slide on the guide rod 17, so that the clamping roller 18 presses the polystyrene extruded board to avoid slipping and improve the conveying efficiency. The reduction motor is started to drive the cleaning roller 34 to rotate. When the slotted polystyrene extruded board passes through the cleaning roller 34, the dust on its surface is cleaned into the dust hood 35. At the same time, the dust inside the dust hood 35 is extracted by a vacuum cleaner, and the impurities remaining on its surface are collected and processed to avoid affecting the working environment.

[0025] like Figures 1 to 5 As shown, a polystyrene extruded board slotting mechanism of the utility model, when working, the polystyrene extruded board is loaded on the left end of the working frame 1, and the front and rear ends are guided and limited by the guide rollers 14, so that the polystyrene extruded board is located in the middle position, and the conveying motor 9 is started to drive the conveying shaft 4 to rotate through the transmission 8, and the conveying shaft 4 drives the rollers 5 to rotate, so that the two rollers 5 drive the conveyor belt 6 to rotate, and the polystyrene extruded board is conveyed to the right. When passing through the clamping roller 18, the slider 16 is pushed to slide on the guide rod 17 by the clamping spring, so that the clamping roller 18 clamps the polystyrene extruded board to avoid slipping, and the slotting motor is started to drive the shaft 22 to rotate through the second transmission 23, and the shaft 22 is driven by the second transmission 23. The sliding sleeve 24 drives the slotting saw blade 25 to rotate to slot the polystyrene extruded board. The telescopic cylinder 19 is started to drive the sliding plate 20 to move downward in the movable groove, so that the slotting depth can be adjusted according to needs. The adjusting slider 28 is driven by the toggle block 30 to slide on the sliding column 27. The adjusting slider 28 drives the fork 29 to toggle the slotting saw blade 25 to slide on the rotating shaft 22, so as to facilitate the adjustment of the distance between the two adjacent groups of slotting saw blades 25 according to needs. The reduction motor is started to drive the cleaning roller 34 to rotate. When the slotted polystyrene extruded board passes through the cleaning roller 34, the dust on its surface is cleaned into the dust hood 35. At the same time, the dust hood 35 is extracted by a vacuum cleaner to collect and process the impurities remaining on its surface.

[0026] The transmission 8, conveying motor 9, servo motor 11 and second transmission 23 of the polystyrene extruded plate slotting mechanism of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A polystyrene extruded board slotting mechanism, comprising a working frame (1), a plurality of legs (2) and two columns (3), wherein the legs (2) are fixedly mounted at the four corners of the bottom end of the working frame (1), the bottoms of the legs (2) are in contact with the ground, and the two columns (3) are fixedly mounted on the outer walls of the front and rear ends of the working frame (1); characterized in that: The utility model also comprises a conveying mechanism, a guide and limit mechanism, a clamping mechanism, a slotting mechanism, an adjusting assembly and a dust collecting mechanism. A conveying cavity is provided at the top of the working frame (1), the conveying mechanism is installed in the conveying cavity, the guide and limit mechanism is installed at the left part of the top of the working frame (1), the clamping mechanism is installed on the side walls at the front and rear ends of the left part of the working frame (1), the slotting mechanism is installed on the column (3), the adjusting assembly is installed on the slotting assembly, and the dust collecting mechanism is located on the right side of the slotting mechanism and is installed on the side walls at the front and rear ends of the working frame (1).

2. A polystyrene extruded board slotting mechanism as claimed in claim 1, characterized in that: The conveying mechanism comprises two conveying rotating shafts (4), two rotating rollers (5), a conveying belt (6), a supporting roller (7), a transmission (8) and a conveying motor (9). The two conveying rotating shafts (4) are rotatably mounted at the left and right ends of a conveying cavity. The outer walls of the conveying rotating shafts (4) are fixedly mounted with rotating rollers (5). The conveying belt (6) is mounted between the two rotating rollers (5). The supporting roller (7) is rotatably mounted in the middle of the conveying cavity and is located below the slot position. The input end of the left end conveying rotating shaft (4) passes through the conveying cavity and is connected to the output end of the transmission (8). The input end of the transmission (8) is connected to the input end of the conveying motor (9).

3. A polystyrene extruded board slotting mechanism as claimed in claim 1, characterized in that: The guide limit mechanism comprises a rotating rod (10), a servo motor (11), two adjustment blocks (12), two guide frames (13) and two guide rollers (14). An adjustment slot is provided at the left end of the top of the working frame (1). The rotating rod (10) is rotatably mounted in the adjustment slot. The rear end of the rotating rod (10) passes through the adjustment slot and is connected to the output end of the servo motor (11). Threaded slots are symmetrically provided on the outer wall of the rotating rod (10). The two adjustment blocks (12) are symmetrically screwed on the outer wall of the rotating rod (10). The adjustment blocks (12) are slidably mounted in the adjustment slot. The top end of the adjustment block (12) is fixedly mounted with a guide frame (13). The guide roller (14) is rotatably mounted on the guide frame (13).

4. A polystyrene extruded board slotting mechanism as claimed in claim 1, characterized in that: The clamping mechanism comprises two second columns (15), two sliders (16), two guide rods (17) and a clamping roller (18). The two second columns (15) are fixedly mounted on the front and rear end side walls of the working frame (1). A sliding groove is provided on the upper part of the second columns (15). The guide rod (17) is fixedly mounted in the sliding groove. The two sliders (16) are slidably mounted on the outer wall of the guide rod (17). A clamping spring is sleeved on the upper part of the guide rod (17). The bottom end of the clamping spring is connected to the top of the slider (16). A clamping roller (18) is rotatably mounted between the two sliders (16).

5. A polystyrene extruded board slotting mechanism as claimed in claim 1, characterized in that: The slotting mechanism comprises two telescopic cylinders (19), two sliding plates (20), a fixed seat (21), a rotating shaft (22), a second transmission (23), a plurality of sliding sleeves (24) and a plurality of slotting saw blades (25). The telescopic cylinder (19) is fixedly mounted on the outer wall of the column (3). A movable groove is provided on the upper part of the column (3). The sliding plate (20) is slidably mounted in the movable groove. The bottom end of the sliding plate (20) is connected to the telescopic end of the telescopic cylinder (19). The fixed seat (21) is fixedly mounted on the outer wall of the column (3). The rotating shaft (22) is mounted on the top of the rear sliding plate (20), one end of the rotating shaft (22) is rotatably mounted on the fixed seat (21), the input end of the rotating shaft (22) is connected to the output end of the second transmission (23), the second transmission (23) is mounted on the top of the front sliding plate (20), the input end of the second transmission (23) is connected to a slotting motor, the rotating shaft (22) is axially provided with a spline, the sliding sleeve (24) is slidably mounted on the rotating shaft (22), and the sliding sleeve (24) is mounted with a slotting saw blade (25).

6. A polystyrene extruded board slotting mechanism as claimed in claim 5, characterized in that: The adjustment assembly comprises a mounting frame (26), a slide column (27), a plurality of adjustment sliders (28), a plurality of shift forks (29) and a plurality of toggle blocks (30). The mounting frame (26) is fixedly mounted on the right side wall of the column (3). A scale line is arranged at the top of the mounting frame (26). The mounting frame (26) has an internal toggle slide groove. The slide column (27) is fixedly mounted in the toggle slide groove. A rectangular slide groove is provided at the left end and the top of the toggle slide groove. A plurality of adjustment sliders (28) are slidably mounted on the outer wall of the slide column (27). The adjustment slider (28) is slidably mounted in the toggle slide groove. The left end of the adjustment slider (28) is connected with a shift fork (29). The slotted saw blade (25) is located in the middle of the shift fork (29). A toggle block (30) is fixedly mounted on the top of the adjustment slider (28). A fastening bolt is arranged on the toggle block (30).

7. A polystyrene extruded board slotting mechanism as claimed in claim 1, characterized in that: The dust collecting mechanism comprises two third upright posts (31), two second sliders (32), two springs (33), a cleaning roller (34) and a dust collecting hood (35). The two third upright posts (31) are fixedly mounted on the front and rear end side walls on the right side of the working frame (1). A rectangular groove is provided on the upper part of the third upright post (31). A guide column is arranged in the rectangular groove. The second slider (32) is slidably mounted on the guide column. The spring (33) is sleeved on the upper part of the guide column. A cleaning roller (34) is rotatably mounted between the two second sliders (32). The input end of the cleaning roller (34) is connected to the output end of the reduction motor. The dust collecting hood (35) is mounted on the right end of the two second sliders (32). A dust collector is arranged on the dust collecting hood (35).

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