Steel bar cutting and bending machine for constructional engineering

Abstract

The utility model discloses a reinforcing steel bar cutting and bending machine for constructional engineering, which belongs to the technical field of reinforcing steel bar processing and comprises a support plate, a fixing mechanism is arranged on one side of the upper end of the support plate, a rotating disc is arranged at the upper end of the support plate, the rotating disc is connected with the support plate through a moving mechanism, and a plurality of clamping rods are arranged at the upper end of the rotating disc. According to the device, the dust falling assembly is arranged, the fan is started when the cutting blade cuts reinforcing steel bars, the fan enables the dust inlet hopper at the lower end of the fixing pipe to form negative pressure through the filter box and the connecting pipe, smoke generated by cutting enters the dust inlet hopper, the dust falling assembly is arranged, the dust falling assembly is arranged, and the dust falling assembly is arranged on the upper side of the dust falling assembly. Smoke enters the filtering box through the fixing pipe and the connecting pipe, the gravel layer and the activated carbon layer in the filtering box sequentially filter the smoke and then discharge the smoke out of the filtering box, dust falling treatment can be conducted on the smoke generated by cutting through the dust falling assembly, and pollution of the smoke to air is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel bar processing, and in particular relates to a steel bar cutting and bending machine for construction engineering. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete, with a circular cross section, or sometimes a square with rounded corners. It includes plain round steel bars, ribbed steel bars, and twisted steel bars.

[0003] Chinese patent application No. 2021211079065 discloses a steel bar cutting and bending machine for construction engineering, including a support platform, a bending mechanism, a cutting mechanism and a fixing mechanism, both ends of the top of the support platform are fixedly connected with vertical plates, both vertical plates are fixedly provided with fixing grooves, both fixing grooves are fixedly connected with electric push rods, and the other ends of the two electric push rods are respectively fixedly connected to the two ends of the top of the lifting plate; the bending mechanism includes a first threaded rod, the first threaded rod is rotatably connected to the fixed cavity in the support platform, and the other end of the first threaded rod is rotated through the support platform and extends to the outside. This application places one end of the steel bar in a fixed frame, the steel bar pushes the two clamps to both sides, the telescopic rod contracts, the spring is compressed, and the spring elastic force drives the spring to return to its original state, pushing the clamp to clamp the steel bar, rotating the third threaded rod, and the third threaded rod moves on the fixed frame while rotating, driving the pressure plate to move downward to fix one end of the steel bar.

[0004] The above-mentioned patent does not have a dust reduction function. The cutting blade generates a lot of smoke and dust when cutting steel bars, which causes serious air pollution. At the same time, the original device is not convenient for disassembly, assembly and replacement of the cutting blade. The cutting blade is worn out after long-term use, which seriously affects the subsequent cutting quality. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a steel bar cutting and bending machine for construction engineering, which has a dust reduction function and can reduce the smoke and dust generated by cutting.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar cutting and bending machine for construction engineering, comprising a support plate, a fixing mechanism is arranged on one side of the upper end of the support plate, a rotating disk is arranged on the upper end of the support plate, the rotating disk and the support plate are connected by a moving mechanism, a plurality of clamping rods are arranged on the upper end of the rotating disk, vertical plates are arranged on both sides of the upper end of the support plate, a lifting plate is arranged on the upper side between the two vertical plates, a moving sleeve is arranged at the lower end of the lifting plate, a driving mechanism is arranged at the lower end of the moving sleeve, a rotating rod is arranged on the lower side of the driving mechanism, the rotating rod and the driving mechanism are connected by a connecting mechanism, a cutting blade is arranged at one end of the rotating rod, and a dust reduction component is arranged at one end of the connecting mechanism.

[0007] Preferably, the dust reduction component includes a filter box, a fan, a fixed pipe, a dust inlet hopper, a connecting pipe, a sand and gravel layer, an activated carbon layer and a connecting component, wherein a filter box is provided at the end of the connecting mechanism away from the cutting blade, a fan is provided at the upper end of the filter box, a sand and gravel layer is provided inside the filter box, an activated carbon layer is provided on the upper side of the sand and gravel layer, a fixed pipe is provided on one side of the lower end of the connecting mechanism, a dust inlet hopper is provided at the lower end of the fixed pipe, the fixed pipe and the filter box are connected by a connecting pipe, and the sand and gravel layer and the filter box, as well as the activated carbon layer and the filter box are connected by a connecting component.

[0008] Preferably, the connecting assembly includes a mounting plate, a fixing bolt, a fixing hole, a mounting port and a slot, wherein a mounting plate is provided at one end of the sand and gravel layer and the activated carbon layer, the mounting plate and the filter box are connected by a fixing bolt, a fixing hole corresponding to the fixing bolt is provided at one end of the filter box, a mounting port corresponding to the mounting plate is provided at one end of the filter box, and a slot corresponding to the sand and gravel layer and the activated carbon layer is provided inside the filter box.

[0009] Preferably, a rubber pad is bonded to the inner wall of the mounting opening by glue, a handle is provided at one end of the mounting plate, and a through hole corresponding to a fixing bolt is provided on the mounting plate.

[0010] Preferably, a swivel seat is provided at one end of the rotating rod, two plug plates are provided at one end of the cutting blade, a slot corresponding to the plug plate is provided at one end of the swivel seat, the plug plate and the swivel seat are connected by two fixing bolts, and two fixing holes corresponding to the two fixing bolts are provided in the plug plate.

[0011] Preferably, after the plug plate enters the slot, the side edge of the plug plate is in close contact with the inner wall of the slot, and the rotating seat and the rotating rod are welded by pressure welding.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a dust reduction component. When the cutting blade cuts the steel bar, the fan is turned on. The fan forms a negative pressure in the dust inlet hopper at the lower end of the fixed pipe through the filter box and the connecting pipe. The smoke generated by the cutting enters the dust inlet hopper, and the smoke enters the filter box through the fixed pipe and the connecting pipe. The sand and gravel layer and the activated carbon layer in the filter box filter the smoke in turn and then discharge it from the filter box. The dust reduction component can be used to reduce the smoke generated by the cutting, thereby reducing the pollution of the smoke to the air.

[0014] 2. The utility model provides a swivel seat at one end of the rotating rod. When the cutting blade needs to be replaced after long-term use, the second fixing bolt is screwed out from the second fixing hole of the plug plate to disassemble the old cutting blade. Then, a new cutting blade is taken out, and the plug plate at one end of the cutting blade is inserted into the slot of the swivel seat, and the second fixing bolt is screwed into the second fixing hole of the plug plate, so as to achieve the effect of limiting and fixing the cutting blade. The swivel seat is provided to facilitate the disassembly, assembly and replacement of the cutting blade, so as to avoid the cutting blade being worn out after long-term use and seriously affecting the subsequent cutting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a cutaway stereoscopic view of the filter box of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the installation of the sand and gravel layer and the activated carbon layer of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the cutting blade of the utility model when it is installed;

[0019] In the figure: 1. support plate; 2. dust suppression component; 21. filter box; 22. fan; 23. fixed pipe; 24. dust inlet hopper; 25. connecting pipe; 26. sand and gravel layer; 27. activated carbon layer; 28. connecting component; 281. mounting plate; 282. fixing bolt one; 283. fixing hole one; 284. mounting port; 285. slot; 3. connecting mechanism; 4. rotating disk; 5. clamping rod; 6. moving mechanism; 7. vertical plate; 8. driving mechanism; 9. moving sleeve; 10. cutting blade; 11. lifting plate; 12. fixing mechanism; 13. rotating rod; 14. rotating seat; 15. plug plate; 16. slot; 17. fixing bolt two; 18. fixing hole two. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4The utility model provides the following technical solutions: a steel bar cutting and bending machine for construction engineering, comprising a support plate 1, a fixing mechanism 12 is arranged on one side of the upper end of the support plate 1, a rotating disk 4 is arranged on the upper end of the support plate 1, the rotating disk 4 and the support plate 1 are connected by a moving mechanism 6, a plurality of clamping rods 5 are arranged on the upper end of the rotating disk 4, vertical plates 7 are arranged on both sides of the upper end of the support plate 1, a lifting plate 11 is arranged on the upper side between the two vertical plates 7, a moving sleeve 9 is arranged at the lower end of the lifting plate 11, a driving mechanism 8 is arranged at the lower end of the moving sleeve 9, a rotating rod 13 is arranged on the lower side of the driving mechanism 8, the rotating rod 13 and the driving mechanism 8 are connected by a connecting mechanism 3, a cutting blade 10 is arranged at one end of the rotating rod 13, and a dust reduction component 2 is arranged at one end of the connecting mechanism 3.

[0023] Specifically, the dust reduction component 2 includes a filter box 21, a fan 22, a fixed pipe 23, a dust inlet 24, a connecting pipe 25, a sand and gravel layer 26, an activated carbon layer 27 and a connecting component 28, wherein a filter box 21 is provided at one end of the connecting mechanism 3 away from the cutting blade 10, a fan 22 is provided at the upper end of the filter box 21, a sand and gravel layer 26 is provided inside the filter box 21, an activated carbon layer 27 is provided on the upper side of the sand and gravel layer 26, a fixed pipe 23 is provided on one side of the lower end of the connecting mechanism 3, a dust inlet 24 is provided at the lower end of the fixed pipe 23, the fixed pipe 23 and the filter box 21 are connected by a connecting pipe 25, and the sand and gravel layer 26 and the filter box 21 as well as the activated carbon layer 27 and the filter box 21 are connected by a connecting component 28.

[0024] By adopting the above technical solution, the fan 22 is turned on when the cutting blade 10 cuts the steel bars. The fan 22 forms a negative pressure in the dust inlet hopper 24 at the lower end of the fixed pipe 23 through the filter box 21 and the connecting pipe 25. The smoke generated by the cutting enters the dust inlet hopper 24, and the smoke enters the filter box 21 through the fixed pipe 23 and the connecting pipe 25. The sand and gravel layer 26 and the activated carbon layer 27 in the filter box 21 filter the smoke in turn and then discharge it from the filter box 21. By setting the dust reduction component 2, the smoke generated by the cutting can be treated by dust reduction to reduce the pollution of the smoke to the air.

[0025] Specifically, the connecting assembly 28 includes a mounting plate 281, a fixing bolt 282, a fixing hole 283, a mounting port 284 and a slot 285, wherein a mounting plate 281 is provided at one end of the sand and gravel layer 26 and the activated carbon layer 27, the mounting plate 281 is connected to the filter box 21 via a fixing bolt 282, a fixing hole 283 corresponding to the fixing bolt 282 is provided at one end of the filter box 21, a mounting port 284 corresponding to the mounting plate 281 is provided at one end of the filter box 21, and a slot 285 corresponding to the sand and gravel layer 26 and the activated carbon layer 27 is provided inside the filter box 21.

[0026] By adopting the above technical solution, when the sand and gravel layer 26 and the activated carbon layer 27 need to be cleaned or replaced after long-term use, the fixing bolt 282 can be unscrewed from the fixing hole 283, and the mounting plate 281 can be taken out from the mounting port 284 of the filter box 21. The mounting plate 281 can take the sand and gravel layer 26 and the activated carbon layer 27 out of the filter box 21. By setting the connecting component 28, it is convenient to disassemble and clean or replace the sand and gravel layer 26 and the activated carbon layer 27.

[0027] Specifically, a rubber pad is bonded to the inner wall of the mounting opening 284 by glue, a handle is provided at one end of the mounting plate 281 , and a through hole corresponding to the fixing bolt 282 is provided on the mounting plate 281 .

[0028] By adopting the above technical solution, the sealing performance of the mounting plate 281 is better after being installed in the mounting opening 284. A handle is provided to facilitate taking the mounting plate 281, and a fixing bolt 282 can pass through the mounting plate 281 to fix it.

[0029] When this embodiment is used, the steel bar cutting and bending machine for construction projects is installed in a suitable position, the steel bar is placed on the support plate 1, and one end of the steel bar is fixed to the fixing mechanism 12, and then the moving mechanism 6 drives the rotating disk 4 to move to the other end of the steel bar, and the rotating disk 4 rotates to drive the clamping rod 5 to rotate to bend the steel bar, and then the moving sleeve 9 drives the cutting blade 10 to move to a suitable position, and the lifting plate 11 moves downward, and the driving mechanism 8 drives the cutting blade 10 at one end of the rotating rod 13 through the connecting mechanism 3 to cut the steel bar. By setting the dust reduction component 2, the fan 22 is turned on when the cutting blade 10 cuts the steel bar, and the fan 22 forms a negative pressure in the dust inlet hopper 24 at the lower end of the fixed pipe 23 through the filter box 21 and the connecting pipe 25, and the smoke generated by the cutting enters The smoke enters the dust hopper 24, and enters the filter box 21 through the fixed pipe 23 and the connecting pipe 25. The sand and gravel layer 26 and the activated carbon layer 27 in the filter box 21 filter the smoke in turn and then discharge it from the filter box 21. By setting the dust reduction component 2, the smoke generated by cutting can be treated to reduce the pollution of the smoke to the air. By setting the connecting component 28, when the sand and gravel layer 26 and the activated carbon layer 27 need to be cleaned or replaced after long-term use, the fixing bolt 282 is unscrewed from the fixing hole 283, and the mounting plate 281 can be taken out from the mounting port 284 of the filter box 21. The mounting plate 281 can take the sand and gravel layer 26 and the activated carbon layer 27 out of the filter box 21. By setting the connecting component 28, it is convenient to disassemble, clean or replace the sand and gravel layer 26 and the activated carbon layer 27.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that a rotating seat 14 is provided at one end of the rotating rod 13, two plug plates 15 are provided at one end of the cutting blade 10, a slot 16 corresponding to the plug plate 15 is provided at one end of the rotating seat 14, the plug plate 15 and the rotating seat 14 are connected by a fixing bolt 17, and a fixing hole 18 corresponding to the fixing bolt 17 is provided in the plug plate 15.

[0032] By adopting the above technical solution, when the cutting blade 10 needs to be replaced after being used for a long time, the fixing bolt 17 is screwed out from the fixing hole 18 of the plug plate 15 to disassemble the old cutting blade 10. Then, the new cutting blade 10 is taken out, and the plug plate 15 at one end of the cutting blade 10 is inserted into the slot 16 of the swivel seat 14, and the fixing bolt 17 is screwed into the fixing hole 18 of the plug plate 15, so as to achieve the effect of limiting and fixing the cutting blade 10. By setting the swivel seat 14, it is convenient to disassemble, assemble and replace the cutting blade 10, so as to avoid the cutting blade 10 being worn out due to long-term use and seriously affecting the subsequent cutting quality.

[0033] Specifically, after the plug board 15 enters the slot 16 , the side of the plug board 15 is in close contact with the inner wall of the slot 16 , and the rotating seat 14 and the rotating rod 13 are welded by pressure welding.

[0034] By adopting the above technical solution, after the inserting plate 15 enters the slot 16 , the inserting plate 15 is more stable in the slot 16 , and the pressure welding makes the rotating seat 14 and the rotating rod 13 more firmly connected.

[0035] When the present embodiment is used, by setting a swivel seat 14 at one end of the rotating rod 13, when the cutting blade 10 needs to be replaced after being used for a long time, the fixing bolt 17 is screwed out from the fixing hole 18 of the plug plate 15 to disassemble the old cutting blade 10, and then the new cutting blade 10 is taken out, and the plug plate 15 at one end of the cutting blade 10 is inserted into the slot 16 of the swivel seat 14, and the fixing bolt 17 is screwed into the fixing hole 18 of the plug plate 15, so as to achieve the effect of limiting and fixing the cutting blade 10. By setting the swivel seat 14, it is convenient to disassemble, assemble and replace the cutting blade 10, so as to avoid the cutting blade 10 being worn out due to long-term use and seriously affecting the subsequent cutting quality.

[0036] The blower 22 of the utility model is an existing disclosed technology, and the selected model is 4-72C.

[0037] The structure and working principle of the support plate 1, connecting mechanism 3, rotating disk 4, clamping rod 5, moving mechanism 6, vertical plate 7, driving mechanism 8, moving sleeve 9, cutting blade 10, lifting plate 11, fixing mechanism 12 and rotating rod 13 in the utility model have been disclosed in a steel bar cutting and bending machine for construction engineering disclosed in Chinese patent application No. 2021211079065. Its working principle is to place the steel bar on the supporting plate 1 and fix one end of the steel bar to the fixing mechanism 12. Then the moving mechanism 6 drives the rotating disk 4 to move to the other end of the steel bar. The rotation of the rotating disk 4 drives the clamping rod 5 to rotate to bend the steel bar. Then the moving sleeve 9 drives the cutting blade 10 to move to a suitable position, the lifting plate 11 moves downward, and the driving mechanism 8 drives the cutting blade 10 at one end of the rotating rod 13 through the connecting mechanism 3 to cut the steel bar.

[0038] Working principle and use process of the utility model: A steel bar cutting and bending machine for construction engineering is installed at a suitable position, the steel bar is placed on the support plate 1, and one end of the steel bar is fixed to the fixing mechanism 12, then the moving mechanism 6 drives the rotating disk 4 to move to the other end of the steel bar, the rotating disk 4 rotates to drive the clamping rod 5 to rotate to bend the steel bar, then the moving sleeve 9 drives the cutting blade 10 to move to a suitable position, the lifting plate 11 moves downward, and the driving mechanism 8 drives the cutting blade 10 at one end of the rotating rod 13 through the connecting mechanism 3 to bend the steel bar. Cutting, by setting the dust reduction component 2, the fan 22 is turned on when the cutting blade 10 is cutting the steel bar, and the fan 22 forms a negative pressure in the dust inlet hopper 24 at the lower end of the fixed pipe 23 through the filter box 21 and the connecting pipe 25, and the smoke generated by the cutting enters the dust inlet hopper 24, and the smoke enters the filter box 21 through the fixed pipe 23 and the connecting pipe 25. The sand and gravel layer 26 and the activated carbon layer 27 in the filter box 21 filter the smoke in turn and then discharge it from the filter box 21. By setting the dust reduction component 2, the smoke generated by the cutting can be treated by dust reduction, reducing the smoke from the cutting to the dust. Air pollution, by setting the connection assembly 28, when the gravel layer 26 and the activated carbon layer 27 need to be cleaned or replaced after long-term use, the fixing bolt 282 is screwed out from the fixing hole 283, and the mounting plate 281 can be taken out from the mounting port 284 of the filter box 21, and the mounting plate 281 can take the gravel layer 26 and the activated carbon layer 27 out of the filter box 21, and the gravel layer 26 and the activated carbon layer 27 can be easily disassembled, cleaned or replaced by setting the connection assembly 28. By setting the rotating seat 14 at one end of the rotating rod 13, the cutting blade 10 can be used for a long time. When replacement is needed, the fixing bolt 17 is unscrewed from the fixing hole 18 of the plug plate 15 to disassemble the old cutting blade 10, and then the new cutting blade 10 is taken out, and the plug plate 15 at one end of the cutting blade 10 is inserted into the slot 16 of the swivel seat 14, and the fixing bolt 17 is screwed into the fixing hole 18 of the plug plate 15, so as to achieve the effect of limiting and fixing the cutting blade 10. By setting the swivel seat 14, it is convenient to disassemble, assemble and replace the cutting blade 10, and it is prevented that the cutting blade 10 is worn out after long-term use and seriously affects the subsequent cutting quality.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar cutting and bending machine for construction engineering, comprising a support plate, characterized in that: A fixing mechanism is provided on one side of the upper end of the support plate, a rotating disk is provided on the upper end of the support plate, the rotating disk and the support plate are connected by a moving mechanism, a plurality of clamping rods are provided on the upper end of the rotating disk, vertical plates are provided on both sides of the upper end of the support plate, a lifting plate is provided on the upper side between the two vertical plates, a moving sleeve is provided at the lower end of the lifting plate, a driving mechanism is provided at the lower end of the moving sleeve, a rotating rod is provided on the lower side of the driving mechanism, the rotating rod and the driving mechanism are connected by a connecting mechanism, a cutting blade is provided at one end of the rotating rod, and a dust reduction component is provided at one end of the connecting mechanism.

2. A steel bar cutting and bending machine for construction engineering according to claim 1, characterized in that: The dust reduction component includes a filter box, a fan, a fixed pipe, a dust inlet hopper, a connecting pipe, a sand and gravel layer, an activated carbon layer and a connecting component, wherein a filter box is arranged at one end of the connecting mechanism away from the cutting blade, a fan is arranged at the upper end of the filter box, a sand and gravel layer is arranged inside the filter box, an activated carbon layer is arranged on the upper side of the sand and gravel layer, a fixed pipe is arranged on one side of the lower end of the connecting mechanism, a dust inlet hopper is arranged at the lower end of the fixed pipe, the fixed pipe and the filter box are connected by a connecting pipe, and the sand and gravel layer and the filter box, as well as the activated carbon layer and the filter box, are connected by a connecting component.

3. A steel bar cutting and bending machine for construction engineering according to claim 2, characterized in that: The connecting assembly includes a mounting plate, a fixing bolt, a fixing hole, a mounting port and a slot, wherein a mounting plate is provided at one end of the sand and gravel layer and the activated carbon layer, the mounting plate and the filter box are connected by a fixing bolt, a fixing hole corresponding to the fixing bolt is provided at one end of the filter box, a mounting port corresponding to the mounting plate is provided at one end of the filter box, and a slot corresponding to the sand and gravel layer and the activated carbon layer is provided inside the filter box.

4. A steel bar cutting and bending machine for construction engineering according to claim 3, characterized in that: A rubber pad is bonded to the inner wall of the mounting opening by glue, a handle is arranged at one end of the mounting plate, and a through hole corresponding to a fixing bolt is arranged on the mounting plate.

5. The steel bar cutting and bending machine for construction engineering according to claim 1, characterized in that: A rotating seat is arranged at one end of the rotating rod, two plug plates are arranged at one end of the cutting blade, a slot corresponding to the plug plate is arranged at one end of the rotating seat, the plug plate and the rotating seat are connected by two fixing bolts, and two fixing holes corresponding to the two fixing bolts are arranged in the plug plate.

6. A steel bar cutting and bending machine for construction engineering according to claim 5, characterized in that: After the plug plate enters the slot, the side edge of the plug plate is tightly attached to the inner wall of the slot, and the rotating seat and the rotating rod are welded by pressure welding.

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