Asphalt mixture test piece cutting machine

Abstract

The utility model relates to the technical field of cutting machines, and provides an asphalt mixture test piece cutting machine which comprises a cutting table, a feed opening is formed in the center of the end face of the top of the cutting table, a branch pipe is welded to the upper portion of the top of the feed opening, a filter plate is welded to the top of the branch pipe, and a material collecting barrel is connected to the lower portion of the bottom of the feed opening in a threaded mode. An exhaust fan is in threaded connection with one side of the bottom end surface of the cutting table; according to the asphalt mixture test piece cutting machine, the cutting range of an asphalt mixture test piece can be limited through the branch pipe, asphalt mixture test piece fragments falling off after cutting can penetrate through the filter plate to enter the material collecting barrel, negative pressure can be generated in the material collecting barrel through the exhaust fan and the exhaust pipe, and then dust generated by cutting can be sucked into the material collecting barrel; a large amount of chippings and dust can be effectively prevented from being accumulated on the cutting table, the cleanliness of the cutting table is guaranteed, meanwhile, the dust can be prevented from being diffused outwards, and pollution to the air environment is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting machines, and more specifically, to a cutting machine for asphalt mixture specimens. Background Art

[0002] A cutting machine is a device used for cutting, and is often applied in the metal and non-metal industries. In the work of detecting the quality of asphalt mixture specimens, a cutting machine is required to cut the asphalt mixture specimens.

[0003] The Chinese patent discloses a small incision cutting machine for asphalt mixture specimens, with the publication number CN204869000U. It is proposed in the text that "it at least includes a base, a housing, a cutting saw blade, a saw blade driving mechanism and a lifting mechanism. The saw blade driving mechanism includes a motor, a gearbox, a limiting rod, a driving pulley, a driven pulley, a belt, a transmission shaft and a fixed shaft. The output shaft of the motor is fixedly connected to the input end of the gearbox. One end of the transmission shaft is fixedly connected to the output end of the gearbox, and the other end is fixed to the upper part of the limiting rod through a bearing. One end of the fixed shaft is fixed to the lower part of the limiting rod through a bearing. The driving pulley is sleeved on the transmission shaft, the driven pulley is sleeved on the other shaft end of the fixed shaft, and the driving pulley is connected to the driven pulley through a belt". However, in the prior art during use, due to the cutting effect, debris and dust will fall off from the asphalt mixture specimens, which is likely to pollute the working area. And with the accumulation of debris and dust, it will affect the progress of the cutting work. At the same time, the dust generated by cutting will spread outwards, which will cause pollution to the air environment. Therefore, it is very necessary to design a cutting machine for asphalt mixture specimens. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a cutting machine for asphalt mixture specimens, which solves the problems in the related technology that during the use process, cutting will cause debris and dust to fall off from the asphalt mixture specimens, which is likely to pollute the working area, and with the accumulation of debris and dust, it will affect the development of the cutting work.

[0005] The technical solution of the utility model is as follows:

[0006] A cutting machine for asphalt mixture specimens includes a cutting table. A blanking port is opened in the center of the top end face of the cutting table, and a branch pipe is welded above the top of the blanking port. A filter plate is welded to the top of the branch pipe. An aggregate bucket is screwed below the bottom of the blanking port. A suction fan is screwed to one side of the bottom end face of the cutting table, and an air extraction pipe is provided at the output end of the suction fan. The other end of the air extraction pipe penetrates through the aggregate bucket and extends into the interior of the aggregate bucket. A baffle is welded to the other end of the air extraction pipe. A communicating pipe is sleeved in the center of the air extraction pipe, and a filter cotton is inserted into the interior of the communicating pipe. A cutting knife is provided above the top of the branch pipe.

[0007] Preferably, the filter plate is provided with leakage holes, the baffle is umbrella-shaped, and a motor is provided on one side of the cutting knife.

[0008] Preferably, a vertical plate is welded to the top end face of the cutting table, a lifting groove is formed in the vertical plate, a lifting slider is slidably installed in the lifting groove, a pneumatic telescopic rod is screwed to the lifting slider, and the telescopic end of the pneumatic telescopic rod is fixedly welded to the cutting knife.

[0009] Preferably, a top plate is provided above the top of the lifting groove, the top plate is fixedly screwed to the vertical plate, a pneumatic lifting column is provided on the bottom end face of the top plate, and the telescopic end of the pneumatic lifting column is fixedly welded to the top end face of the lifting slider.

[0010] Preferably, auxiliary grooves are formed on both outer sides of the lifting groove, a limiting slider is slidably installed in each auxiliary groove, a support rod is welded to the limiting slider, and the other ends of the two support rods are respectively fixedly welded to both sides of the pneumatic telescopic rod.

[0011] Preferably, a pointer is screwed to the lifting slider, and a scale is provided on one side of the lifting groove.

[0012] Preferably, side plates are welded to both outer sides of the branch pipe, a pneumatic push rod is provided on the side plate, a clamping block is welded to the telescopic end of the pneumatic push rod, the clamping block is located above the top of the branch pipe, and the bottom of the side plate is fixedly welded to the top end face of the cutting table.

[0013] Preferably, the inner wall of the clamping block is arc-shaped, and a pair of anti-slip teeth are welded to the inner wall of the clamping block.

[0014] Preferably, a water tank is provided on the other side of the bottom end face of the cutting table, a water pump is provided at the bottom of the water tank, a water pipe is inserted into the water pump, the other end of the water pipe is inserted with a spray head, a damping rotating shaft is provided on the top of the side plate, and the bottom of the spray head is fixedly welded to the outer wall of the damping rotating shaft.

[0015] Preferably, support columns are welded to the four peripheries of the bottom end face of the cutting table, and reinforcing rods are welded between adjacent support columns.

[0016] The beneficial effects of the present utility model:

[0017] 1. The cutting range of the asphalt mixture specimen can be restricted through the branch pipe. The fragmented pieces of the cut asphalt mixture specimen will pass through the filter plate and enter the aggregate bucket. By using the exhaust fan and the exhaust pipe, negative pressure can be generated in the aggregate bucket, and then the dust generated by cutting can be sucked into the aggregate bucket. This can effectively prevent a large amount of debris and dust from accumulating on the cutting table, ensuring the cleanliness of the cutting table. At the same time, it can prevent the dust from spreading outwards and polluting the air environment. The baffle can prevent the fragmented pieces and dust from falling into the exhaust pipe when they drop. The filter cotton in the connecting pipe can secondarily filter the sucked gas to prevent dust from entering the exhaust fan and damaging the exhaust fan.

[0018] 2. The clamping block can be pushed to move by the pneumatic push rod to clamp and fix the asphalt mixture specimen on the filter plate. The anti-slip teeth can increase the friction between the clamping block and the asphalt mixture specimen, thereby improving the clamping effect of the clamping block. The pointer and scale can assist the staff in measuring the cutting depth. The water in the water tank can be transported to the inside of the nozzle through the water pump and the water pipe, and the nozzle can be used to cool down and reduce dust for the cut asphalt mixture specimen. Brief Description of the Drawings

[0019] The following further elaborates on the present utility model in detail in conjunction with the drawings and specific embodiments.

[0020] Figure 1 Isometric view of the whole of the present utility model;

[0021] Figure 2 Structural schematic diagram of the whole of the present utility model;

[0022] Figure 3 Front view of the whole of the present utility model;

[0023] Figure 4 Cross-sectional view of the whole of the present utility model;

[0024] In the figure: 1. Cutting table; 2. Feeding port; 3. Branch pipe; 4. Filter plate; 5. Aggregate bucket; 6. Exhaust fan; 7. Exhaust pipe; 8. Baffle; 9. Connecting pipe; 10. Filter cotton; 11. Cutting knife; 12. Motor; 13. Vertical plate; 14. Lifting groove; 15. Lifting slider; 16. Pneumatic telescopic rod; 17. Top plate; 18. Pneumatic lifting column; 19. Auxiliary groove; 20. Limit slider; 21. Support rod; 22. Pointer; 23. Scale; 24. Side plate; 25. Pneumatic push rod; 26. Clamping block; 27. Anti-slip teeth; 28. Water tank; 29. Water pump; 30. Water pipe; 31. Nozzle; 32. Damping rotating shaft; 33. Support pillar; 34. Reinforcing rod. Specific Embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0026] Such as Figures 1-4As shown in the figure, this embodiment proposes an asphalt mixture specimen cutting machine, which includes a cutting table 1. A material discharge port 2 is opened in the center of the top end face of the cutting table 1. A branch pipe 3 is welded above the top of the material discharge port 2. A filter plate 4 is welded to the top of the branch pipe 3. A collecting bucket 5 is screwed below the bottom of the material discharge port 2. A suction fan 6 is screwed on one side of the bottom end face of the cutting table 1. An air extraction pipe 7 is provided at the output end of the suction fan 6. The other end of the air extraction pipe 7 penetrates through the collecting bucket 5 and extends into the interior of the collecting bucket 5. A baffle 8 is welded to the other end of the air extraction pipe 7. A connecting pipe 9 is sleeved in the center of the air extraction pipe 7, and a filter cotton 10 is inserted into the connecting pipe 9. A cutting knife 11 is provided above the top of the branch pipe 3. The filter plate 4 is provided with leakage holes, which can enable the slag falling off during the cutting of the asphalt mixture specimen to pass through the filter plate 4 and enter the collecting bucket 5. The baffle 8 is in an umbrella shape. A motor 12 is provided on one side of the cutting knife 11. The motor 12 can be used to drive the cutting knife 11 to rotate, thereby achieving the cutting effect. A vertical plate 13 is welded to the top end face of the cutting table 1. A lifting groove 14 is opened in the vertical plate 13. A lifting slider 15 is slidably installed in the lifting groove 14. A pneumatic telescopic rod 16 is screwed on the lifting slider 15, and the telescopic end of the pneumatic telescopic rod 16 is fixedly welded to the cutting knife 11. The cutting position of the cutting knife 11 can be adjusted through the pneumatic telescopic rod 16, and the position of the lifting slider 15 can be adjusted through the lifting groove 14. A top plate 17 is provided above the top of the lifting groove 14, and the top plate 17 is screwed and fixed to the vertical plate 13. A pneumatic lifting column 18 is provided on the bottom end face of the top plate 17, and the telescopic end of the pneumatic lifting column 18 is fixedly welded to the top end face of the lifting slider 15. The pneumatic lifting column 18 can drive the lifting slider 15 to move in the lifting groove 14. Auxiliary grooves 19 are opened on both outer sides of the lifting groove 14. A limiting slider 20 is slidably installed in the auxiliary groove 19. A support rod 21 is welded on the limiting slider 20, and the other ends of the two support rods 21 are respectively welded to both sides of the pneumatic telescopic rod 16. The auxiliary groove 19, the limiting slider 20 and the support rod 21 can play a role in supporting and strengthening when the pneumatic telescopic rod 16 is lifted and lowered. A pointer 22 is screwed on the lifting slider 15. A scale 23 is provided on one side of the lifting groove 14. The pointer 22 and the scale 23 can assist the staff in measuring the cutting depth. Side plates 24 are welded on both outer sides of the branch pipe 3. A pneumatic push rod 25 is provided on the side plate 24. The telescopic end of the pneumatic push rod 25 is welded with a clamping block 26, and the clamping block 26 is located above the top of the branch pipe 3. The bottom of the side plate 24 is welded to the top end face of the cutting table 1. By pushing the clamping block 26 to move through the pneumatic push rod 25, the asphalt mixture specimen on the filter plate 4 can be clamped and fixed to prevent loosening during cutting. The inner wall of the clamping block 26 is arc-shaped, and a pair of anti-slip teeth 27 are welded on the inner wall of the clamping block 26. The anti-slip teeth 27 can be used to increase the friction between the clamping block 26 and the asphalt mixture specimen, thereby improving the clamping effect of the clamping block 26. A water tank 28 is provided on the other side of the bottom end face of the cutting table 1. A water pump 29 is provided at the bottom of the water tank 28. A water pipe 30 is inserted into the water pump 29.And the other end of the water pipe 30 is plugged with a nozzle 31. A damping rotating shaft 32 is provided at the top of the side plate 24, and the bottom of the nozzle 31 is fixedly welded to the outer wall of the damping rotating shaft 32. Through the water pump 29 and the water pipe 30, the water in the water tank 28 can be conveyed to the inside of the nozzle 31. By using the nozzle 31, the cut asphalt mixture specimen can be cooled and the dust can be reduced. Pillars 33 are welded to the periphery of the bottom end face of the cutting table 1, and reinforcing rods 34 are welded between adjacent two pillars 33. By using the reinforcing rods 34, the connection effect between the pillars 33 can be increased, and thus the stability of the cutting table 1 can be improved.

[0027] In this embodiment, during use, first, a certain volume of water is filled in the aggregate bucket 5, and the water level is below the baffle 8. By placing the asphalt mixture specimen on the filter plate 4, the clamping block 26 can be pushed to move by the pneumatic push rod 25, so as to clamp and fix the asphalt mixture specimen on the filter plate 4. By using the anti-slip teeth 27, the friction between the clamping block 26 and the asphalt mixture specimen can be increased, and thus the clamping effect of the clamping block 26 can be improved. The cutting position of the cutting knife 11 can be adjusted by the pneumatic telescopic rod 16, and the lifting slider 15 can be driven to move downward in the lifting groove 14 by the pneumatic lifting column 18, so that the cutting knife 11 is close to the asphalt mixture specimen. By driving the cutting knife 11 to rotate by the motor 12, the cutting effect on the asphalt mixture specimen can be achieved. By using the pointer 22 and the scale 23, the staff can be assisted to measure the cutting depth. Through the water pump 29 and the water pipe 30, the water in the water tank 28 can be conveyed to the inside of the nozzle 31. By using the nozzle 31, the cut asphalt mixture specimen can be cooled and the dust can be reduced. The broken pieces of the asphalt mixture specimen cut off will pass through the filter plate 4 and enter the aggregate bucket 5, and by using the exhaust fan 6 and the exhaust pipe 7, negative pressure can be generated in the aggregate bucket 5, and thus the dust generated by cutting can be sucked into the aggregate bucket 5. By using the baffle 8, it can be avoided that the broken pieces and dust fall into the exhaust pipe 7 when falling. By using the filter cotton 10 in the connecting pipe 9, the sucked gas can be filtered twice to avoid dust from entering the exhaust fan 6 and damaging the exhaust fan 6.

[0028] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An asphalt mixture specimen cutting machine, comprising a cutting table (1), characterized in that: A discharge port (2) is provided in the center of the top end face of the cutting table (1), and a branch pipe (3) is welded above the top of the discharge port (2), a filter plate (4) is welded to the top of the branch pipe (3), a collection barrel (5) is screwed to the bottom of the discharge port (2), an exhaust fan (6) is screwed to one side of the bottom end face of the cutting table (1), and an exhaust pipe (7) is provided at the output end of the exhaust fan (6), the other end of the exhaust pipe (7) passes through the collection barrel (5) and extends to the inside of the collection barrel (5), a baffle (8) is welded to the other end of the exhaust pipe (7), a connecting pipe (9) is sleeved in the center of the exhaust pipe (7), and a filter cotton (10) is inserted into the inside of the connecting pipe (9), and a cutting knife (11) is provided above the top of the branch pipe (3).

2. The asphalt mixture specimen cutting machine according to claim 1, characterized in that: The filter plate (4) is provided with a leakage hole, the baffle (8) is in an umbrella shape, and a motor (12) is provided on one side of the cutting knife (11).

3. The asphalt mixture specimen cutting machine according to claim 1, characterized in that: A vertical plate (13) is welded to the top end surface of the cutting table (1), and a lifting groove (14) is provided on the vertical plate (13). A lifting slider (15) is slidably installed inside the lifting groove (14), and a pneumatic telescopic rod (16) is screwed to the lifting slider (15), and the telescopic end of the pneumatic telescopic rod (16) is welded and fixed to the cutting knife (11).

4. The asphalt mixture specimen cutting machine according to claim 3, characterized in that: A top plate (17) is provided above the top of the lifting groove (14), and the top plate (17) is screwed and fixed to the vertical plate (13); a pneumatic lifting column (18) is provided on the bottom end surface of the top plate (17), and the telescopic end of the pneumatic lifting column (18) is welded and fixed to the top end surface of the lifting slider (15).

5. The asphalt mixture specimen cutting machine according to claim 3, characterized in that: Auxiliary grooves (19) are provided on the outside of both sides of the lifting groove (14), and a limit slider (20) is slidably installed inside the auxiliary groove (19). A support rod (21) is welded to the limit slider (20), and the other ends of the two support rods (21) are respectively welded and fixed to the two sides of the pneumatic telescopic rod (16).

6. The asphalt mixture specimen cutting machine according to claim 3, characterized in that: A pointer (22) is screwed onto the lifting slide block (15), and a scale (23) is provided on one side of the lifting slot (14).

7. The asphalt mixture specimen cutting machine according to claim 1, characterized in that: Side plates (24) are welded to the outside of both sides of the branch pipe (3), and a pneumatic push rod (25) is provided on the side plate (24). A clamping block (26) is welded to the telescopic end of the pneumatic push rod (25), and the clamping block (26) is located above the top of the branch pipe (3). The bottom of the side plate (24) is welded and fixed to the top end face of the cutting table (1).

8. The asphalt mixture specimen cutting machine according to claim 7, characterized in that: The inner wall of the clamping block (26) is arc-shaped, and a pair of anti-slip teeth (27) are welded to the inner wall of the clamping block (26).

9. The asphalt mixture specimen cutting machine according to claim 7, characterized in that: A water tank (28) is provided on the other side of the bottom end surface of the cutting table (1), and a water pump (29) is provided at the bottom of the water tank (28). A water pipe (30) is plugged into the water pump (29), and a nozzle (31) is plugged into the other end of the water pipe (30). A damping shaft (32) is provided at the top of the side plate (24), and the bottom of the nozzle (31) is welded and fixed to the outer wall of the damping shaft (32).

10. The asphalt mixture specimen cutting machine according to claim 1, characterized in that: Support pillars (33) are welded around the bottom end surface of the cutting table (1), and reinforcing rods (34) are welded between two adjacent support pillars (33).

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