Cutting machine for engineering construction

Abstract

The invention relates to the technical field of cutting machines, in particular to an engineering construction cutting machine which comprises a machining table, a supporting frame, a connecting frame, a cutting machine body and an outer frame, and a clamping assembly, a first driving assembly and a second driving assembly are arranged on the machining table. According to the cutting machine for engineering construction, the first side plates are symmetrically arranged, the abutting shafts are arranged at equal intervals, the outer walls of the abutting shafts are arc-shaped faces, the abutting shafts can be attached to the arc surface of an annular machined part, the clamping attaching degree is improved, extrusion damage to the annular workpiece caused by traditional plane clamping is avoided, meanwhile, the clamping contact area is increased, and the clamping efficiency is improved. And the phenomena of slipping and deviation of the machined part in the cutting process are effectively prevented.

Description

A cutting machine for engineering construction Technical Field

[0001] This invention relates to the field of cutting machine technology, and more specifically to a cutting machine for engineering construction. Background Technology

[0002] A cutting machine is a mechanical device used to cut various materials. It can achieve high-precision cutting operations and ensure that the cut surface is flat and smooth. When using a cutting machine, it is necessary to pay attention to safe operation and wear appropriate protective equipment, such as safety goggles, to avoid accidental injury. At the same time, it is necessary to select the appropriate cutting machine and cutting parameters according to different materials.

[0003] In the fields of construction engineering and machining, steel cutting is a key processing step to achieve component prefabrication, on-site installation and size adaptation. In actual production operations, various cutting machines are usually used to cut and bevel cylindrical steel materials such as round steel, steel pipes and steel bars to meet the requirements of different construction scenarios, assembly accuracy and structural design. Cylindrical steel materials are widely used in building structures, mechanical equipment and infrastructure construction due to their good stress performance and convenient connection. However, in the cutting process, the clamping and positioning link generally has the technical defect of insufficient stability.

[0004] Chinese patent document CN118762586B discloses a material-cutting device for building construction, including a workbench and a first mounting frame fixed on the workbench. Two opposing cutting wheels are mounted on the first mounting frame. A mounting plate is slidably mounted on the workbench on one side of the first mounting frame. The mounting plate is connected to a horizontal moving assembly mounted on the workbench, and a clamping mechanism for holding the material is fixed on the side of the mounting plate away from the workbench. A drive wheel is rotatably mounted on the workbench on the other side of the first mounting frame via a third mounting frame. The drive wheel is rotatably connected to the shaft of one of the cutting wheels via a second transmission assembly. A driven wheel is located on the side of the drive wheel away from the workbench, and the driven wheel is connected to a lifting mechanism mounted on the workbench. The lifting mechanism is connected to the horizontal moving assembly, which drives the mounting plate to move.

[0005] The aforementioned material-facing cutting device for building construction employs a planar clamping structure with a flat end face. When clamping and fixing cylindrical steel, the planar clamping surface and the curved outer surface of the cylindrical steel can only form local line contact or point contact with a very small area. The degree of contact between the two is low, the effective force-bearing area is limited, and it is difficult to form a reliable and uniform clamping constraint. During the high-speed cutting process of the cutting machine, continuous cutting force, impact force, and high-frequency vibration are generated between the tool and the steel. Under the action of the above external forces, the cylindrical steel is prone to circumferential rolling, radial movement, or axial displacement, and cannot maintain stability. This will directly lead to the tilting of the steel cutting end face, excessive burrs, poor cross-sectional flatness, and difficulty in guaranteeing the cutting length and angle accuracy. This will affect the construction quality and structural reliability of subsequent welding, assembly, and connection processes. At the same time, frequent shaking of the steel will also reduce cutting efficiency, aggravate tool wear, and increase equipment failure rate and maintenance costs. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, the present invention provides a cutting machine for engineering construction, which solves the problem that when the planar clamping member clamps cylindrical steel, the contact surface is small, which easily causes instability during steel cutting.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a cutting machine for engineering construction, comprising a processing table, a support frame, a connecting frame, a cutting machine, and an outer frame. The support frame and the connecting frame are both connected to the top of the processing table. The cutting machine is installed inside the outer frame, and the outer frame is installed on the connecting frame. The outer frame can be moved down to drive the cutting machine to cut the workpiece placed on the surface of the support frame. The surface of the processing table is slidably connected to two first side plates, and the two first side plates are symmetrically arranged on both sides of the support frame. Each of the two first side plates has multiple abutment shafts on the opposite sides. Each abutment shaft is arranged along the front and rear extension direction of the edge of the connected first side plate. When the two first side plates approach each other, the abutment shafts abut against the surface of the workpiece located on the support frame and clamp it.

[0008] Preferably, the surface of the abutting shaft is an arc-shaped concave surface.

[0009] Preferably, the first side plate has a plurality of connecting blocks arranged at equal intervals fixed on the side facing the abutment shaft, and the plurality of abutment shafts and connecting blocks correspond one to one. A top shaft is fixed on the top of the abutment shaft, and the top shaft is coaxially arranged with the abutment shaft. A first limiting hole adapted to the top shaft is opened on the connecting block, and the first limiting hole is coaxially arranged with the top shaft. The outer wall of the top shaft is rotatably connected to the inner wall of the first limiting hole. The top shaft is rotatably connected to the inside of the first limiting hole to limit the abutment shaft and maintain the stability of the abutment shaft.

[0010] Preferably, a toothed ring is installed on the outer wall of the top shaft, a rack is installed on the first side plate, and the rack is meshed with the toothed ring. A baffle is installed on the top of the processing table. When the rack slides on the first side plate, the rack, in conjunction with the toothed ring, drives the top shaft to rotate inside the first limiting hole, thereby driving the workpiece to slide towards the baffle to adjust the position of the workpiece.

[0011] Preferably, the first driving assembly includes a driving side shaft fixed to one side of the rack, a limiting port adapted to the driving side shaft is provided on the first side plate, and the driving side shaft is slidably connected inside the corresponding limiting port. A driving disk is provided outside the driving side shaft, a slide rail is provided on the driving disk, and the outer wall of the driving side shaft is attached to the inner wall of the slide rail. When the driving disk rotates, the driving side shaft slides inside the slide rail, thereby driving the rack to slide on the first side plate.

[0012] Preferably, a second side plate is provided on one side of the first side plate, a first drive shaft is fixed on one side of the drive disk, a first sleeve is fixed on the top of the second side plate, and the first drive shaft is coaxially arranged with the first sleeve and slidably connected inside the first sleeve. An end plate is fixed on the top of the first side plate, and the end of the first drive shaft away from the first sleeve is rotatably connected to one side wall of the end plate. When the first drive shaft slides inside the first sleeve, the first sleeve can slide inside the first drive shaft, and the first drive shaft can drive the drive disk to rotate, so as to drive the drive side shaft to slide inside the slide rail.

[0013] Preferably, a linkage block is fixed to the outer wall of the first drive shaft, and a linkage groove is provided on the inner wall of the first sleeve. The linkage groove is spiral in shape, and the linkage block is slidably connected inside the linkage groove. When the first drive shaft slides inside the first sleeve, the linkage block slides along the extension trajectory of the linkage groove, thereby driving the first drive shaft to rotate.

[0014] Preferably, the second drive assembly includes a return spring fixed between the first side plate and the second side plate. A side shaft is fixed to one side of the first side plate, and a through hole is opened on the second side plate. A second sleeve is fixed to the inner wall of the through hole, and the side shaft is slidably connected inside the second sleeve. When the first side plate slides towards the second side plate, the side shaft slides inside the second sleeve to maintain the stability of the first side plate during sliding. The first side plate compresses the return spring to improve the clamping strength of the abutment shaft on the workpiece.

[0015] Preferably, the bottom of each of the two second side plates is fixed with a base block, and the processing table has a receiving opening adapted to the base block. The base block is slidably connected inside the receiving opening, and a second drive shaft is threadedly connected to the base block. A drive source is provided on the processing table, and the output end of the drive source is fixed on one end of the second drive shaft.

[0016] Preferably, the slide rail is arc-shaped, with the first end of the slide rail close to the center of the drive disk and the last end of the slide rail close to the edge of the drive disk, and the initial position of the drive side shaft is located at the first end of the slide rail.

[0017] The beneficial effects of the present invention are as follows: 1. The first side plate is symmetrically arranged and multiple abutment shafts are arranged at equal distances. The outer wall of the abutment shaft is an arc-shaped surface, which can fit the arc surface of the ring-shaped workpiece, improve the clamping fit, avoid the squeezing damage to the ring-shaped workpiece caused by traditional planar clamping, and increase the clamping contact area, effectively preventing the workpiece from slipping or shifting during the cutting process.

[0018] 2. The two second side plates are driven to move closer to each other by the second drive assembly, and the abutment shafts on both sides will gradually abut against the surface of the annular workpiece. When the abutment shaft is subjected to the reaction force of the workpiece, it will drive the first side plate to slide towards the second side plate, and simultaneously compress the return spring. At this time, the first drive shaft will slide in the first sleeve, and the linkage block will slide along the spiral linkage groove, thereby driving the drive disk to rotate, triggering the rack to slide and the abutment shaft to rotate. The rotating abutment shaft will drive the clamped annular workpiece to slide towards the baffle until the workpiece is in contact with the baffle, completing the position adjustment, avoiding the operation error caused by manual calibration, and ensuring that the cutting benchmark of the workpiece is consistent.

[0019] 3. The return spring installed between the first and second side plates compresses the return spring as the two second side plates approach each other and the abutment shaft abuts the workpiece. The elastic force of the return spring then acts on the first side plate, causing the abutment shaft to apply a greater clamping force to the workpiece. The clamping force can be automatically adjusted according to the specifications of the workpiece. While ensuring a firm clamping, it avoids deformation and damage to the workpiece surface caused by excessive clamping force, and also prevents workpiece slippage caused by insufficient clamping force. This achieves flexible and controllable clamping strength, taking into account both clamping stability and workpiece protection. Attached Figure Description

[0020] Figure 1 is a structural schematic diagram of the present invention; Figure 2 is a structural schematic diagram of the processing table of the present invention; Figure 3 is a structural schematic diagram of the clamping assembly of the present invention; Figure 4 is a structural schematic diagram of the first driving assembly of the present invention; Figure 5 is a structural schematic diagram of the second driving assembly of the present invention.

[0021] In the diagram: 10. Processing table; 11. Support frame; 12. Connecting frame; 13. Cutting machine; 14. Outer frame; 15. Hydraulic cylinder; 20. Clamping assembly; 21. First side plate; 22. Abutment shaft; 23. Connecting block; 24. First limiting hole; 25. Top shaft; 26. Rack; 27. Baffle; 28. Gear ring; 30. First drive assembly; 31. Drive side shaft; 32. Drive disc; 33. Slide rail; 34. First drive shaft; 35. First sleeve; 36. End plate; 37. Linkage block; 38. Linkage groove; 39. Limiting port; 310. Second side plate; 40. Second drive assembly; 42. Return spring; 43. Side shaft; 44. Second sleeve; 45. Bottom block; 46. Receiving port; 47. Second drive shaft; 48. Drive source. Detailed Implementation

[0022] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0023] Referring to Figures 1-5, a cutting machine for engineering construction includes a processing table 10. Two support frames 11 are symmetrically fixed to the top of the support frame 11. The workpiece can be placed on the support frame 11 for subsequent processing. A connecting frame 12 is installed on the processing table 10. An outer frame 14 is provided inside the connecting frame 12. A cutting machine 13 is installed inside the outer frame 14. The cutting machine 13 is used to cut the workpiece. A hydraulic cylinder 15 is provided on the connecting frame 12. The hydraulic end of the hydraulic cylinder 15 is connected to the top of the outer frame 14 to drive the outer frame 14 to descend, so that the cutting machine 13 can process and cut the workpiece.

[0024] The processing table 10 is equipped with a clamping assembly 20 for clamping and securing the workpiece.

[0025] The clamping assembly 20 includes first side plates 21 symmetrically arranged on the surface of the processing table 10, and two first side plates 21 are slidably connected to the surface of the processing table 10. A plurality of abutment shafts 22 are arranged at equal intervals on one side of the first side plate 21. The plurality of abutment shafts 22 are arranged along the extension line of the first side plate 21. The outer wall of the abutment shaft 22 has an arc-shaped surface to adapt to the surface of the ring-shaped workpiece, thereby clamping and limiting the workpiece.

[0026] Multiple connecting blocks 23 are fixed on the side of the first side plate 21 facing the abutment shaft 22, and the multiple abutment shafts 22 and connecting blocks 23 correspond one-to-one. A top shaft 25 is fixed on the top of the abutment shaft 22, and the top shaft 25 is coaxially arranged with the abutment shaft 22. A first limiting hole 24 adapted to the top shaft 25 is opened on the connecting block 23, and the first limiting hole 24 is coaxially arranged with the top shaft 25. The outer wall of the top shaft 25 is rotatably connected to the inner wall of the first limiting hole 24 to limit the top shaft 25 and maintain the stability of the abutment shaft 22.

[0027] A toothed ring 28 is installed on the outer wall of the top shaft 25, and a rack 26 is installed on the first side plate 21. The rack 26 is meshed with the toothed ring 28. A baffle 27 is installed on the top of the processing table 10 to limit the workpiece. When the rack 26 slides on the first side plate 21, the toothed ring 28, in conjunction with the rack 26, can rotate the abutment shaft 22 connected to the top shaft 25, thereby driving the clamped workpiece to slide towards the baffle 27 to adjust the position of the workpiece.

[0028] The processing table 10 is provided with a first drive assembly 30, which is used to drive the rack 26 to slide, thereby driving the abutment shaft 22 to rotate, thereby adjusting the position of the workpiece.

[0029] The first drive assembly 30 includes a drive side shaft 31 fixed to one side of the rack 26. A limiting port 39 adapted to the drive side shaft 31 is provided on the first side plate 21, and the drive side shaft 31 is slidably connected inside the corresponding limiting port 39. The limiting port 39 is used to limit the drive side shaft 31 to maintain the stability of the drive side shaft 31 when sliding. A drive disk 32 is provided on the outside of the drive side shaft 31. A slide rail 33 is provided on the drive disk 32, and the outer wall of the drive side shaft 31 is attached to the inner wall of the slide rail 33.

[0030] It should be noted that the slide rail 33 is arc-shaped, with the first end of the slide rail 33 close to the center of the drive disk 32 and the last end of the slide rail 33 close to the edge of the drive disk 32. The initial position of the drive side shaft 31 is located at the first end of the slide rail 33. When the drive disk 32 rotates, the drive side shaft 31 slides from the first end of the slide rail 33 to its last end, thereby adjusting the rack 26 to slide through the drive side shaft 31, so as to drive the abutment shaft 22 to rotate through the gear ring 28.

[0031] A second side plate 310 is provided on one side of the first side plate 21, a first drive shaft 34 is fixed on one side of the drive disk 32, a first sleeve 35 is fixed on the top of the second side plate 310, and the first drive shaft 34 is coaxially arranged with the first sleeve 35 and is slidably connected inside the first sleeve 35. An end plate 36 is fixed on the top of the first side plate 21, and the end of the first drive shaft 34 away from the first sleeve 35 is rotatably connected to one side wall of the end plate 36.

[0032] A linkage block 37 is fixed to the outer wall of the first drive shaft 34, and a linkage groove 38 is provided on the inner wall of the first sleeve 35. The linkage groove 38 is spiral in shape, and the linkage block 37 is slidably connected inside the linkage groove 38.

[0033] It should be noted that since the linkage groove 38 is spiral, when the first drive shaft 34 slides inside the first sleeve 35 along its axial direction, the linkage block 37 slides along the trajectory of the linkage groove 38. At this time, the first drive shaft 34 is driven by the linkage block 37 to drive the drive disk 32 to rotate around its axial direction, thereby driving the drive side shaft 31 to slide along the extension trajectory of the slide rail 33.

[0034] A second drive assembly 40 is provided on the processing table 10 for driving the second side plate 310 to slide on the processing table 10.

[0035] The second drive assembly 40 includes a return spring 42 fixed between the first side plate 21 and the second side plate 310. When the abutment shaft 22 abuts against the surface of the workpiece, the reaction force from the workpiece will push the first side plate 21 to slide towards the second side plate 310. At this time, the first side plate 21 compresses the return spring 42 to increase the clamping strength of the abutment shaft 22 on the workpiece. A side shaft 43 is fixed on one side of the first side plate 21. A through hole is provided on the second side plate 310. A second sleeve 44 is fixed on the inner wall of the through hole, and the side shaft 43 is slidably connected inside the second sleeve 44 to limit the side shaft 43 and maintain the stability of the side shaft 43 when sliding.

[0036] The bottom of each of the two second side plates 310 is fixed with a base block 45. The processing table 10 has a receiving opening 46 that matches the base block 45, and the base block 45 is slidably connected inside the receiving opening 46. The base block 45 is threadedly connected with a second drive shaft 47. The processing table 10 is provided with a drive source 48, and the output end of the drive source 48 is fixed on one end of the second drive shaft 47.

[0037] It should be noted that the surface of the second drive shaft 47 has two threaded sections, and the two threaded sections are symmetrically arranged on the surface of the second drive shaft 47. When the second drive shaft 47 rotates, the second drive shaft 47 drives the two bottom blocks 45 to move closer to each other, so that the abutment shaft 22 abuts against the surface of the workpiece to clamp and limit it.

[0038] In use, the ring-shaped workpiece is placed on the support seat on the surface of the machining table 10. The output end of the drive source 48 drives the second drive shaft 47 to rotate. Since the surface of the second drive shaft 47 has threads, it drives the second side plate 310 to slide on the surface of the machining table 10 through the bottom block 45, so as to drive the two second side plates 310 to move closer to each other, so that the abutment shafts 22 on both sides clamp the surface of the ring-shaped workpiece and hold it stably. When the abutment shafts 22 on both sides abut against the surface of the workpiece, the abutment shafts 22 will slide towards the second side plate 310 due to the reaction force of the workpiece, and the first side plate 21 will simultaneously compress the return spring 42. At this time, the return spring 42 will apply a reaction force to the first side plate 21, and the abutment shafts 22 on the first side plate 21 will increase the clamping of the workpiece. To enhance strength and improve the stability of the workpiece, as the first side plate 21 slides toward the second side plate 310, the first drive shaft 34 slides along its axial direction inside the first sleeve 35, and the side shaft 43 slides inside the second sleeve 44. The first drive shaft 34 drives the linkage block 37 to slide along the extension trajectory of the linkage groove 38. At this time, the first drive shaft 34 will rotate under the drive of the linkage block 37. The rotating first drive shaft 34 synchronously drives the drive disk 32 to rotate. The drive side shaft 31 slides from the first end of the slide rail 33 to its tail end, thereby driving the rack 26 to drive the top shaft 25 of the gear ring 28 to rotate. The abutment shaft 22 rotates to drive the clamped workpiece to slide toward the baffle 27, thereby adjusting the position of the workpiece to facilitate the cutting work of the workpiece.

[0039] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A cutting machine for engineering construction, characterized in that: The system includes a processing table (10), a support frame (11), a connecting frame (12), a cutting machine (13), and an outer frame (14). The support frame (11) and the connecting frame (12) are both connected to the top of the processing table (10). The cutting machine (13) is installed inside the outer frame (14), and the outer frame (14) is installed on the connecting frame (12). The outer frame (14) can be lowered to drive the cutting machine (13) to cut the workpiece placed on the surface of the support frame (11). The system is characterized by: The surface of the processing table (10) is slidably connected to two first side plates (21), and the two first side plates (21) are symmetrically arranged on both sides of the support frame (11). Each of the two first side plates (21) has multiple abutment shafts (22) on the opposite side. Each abutment shaft (22) is arranged along the front and rear extension direction of the edge of the connected first side plate (21). When the two first side plates (21) approach each other, the abutment shafts (22) abut against the surface of the workpiece located on the support frame (11) and clamp it.

2. The cutting machine for engineering construction according to claim 1, characterized in that, The surface of the abutment shaft (22) is an arc-shaped concave surface.

3. The cutting machine for engineering construction according to claim 2, characterized in that, The first side plate (21) has a plurality of connecting blocks (23) arranged at equal distances on the side facing the abutting shaft (22), and the plurality of abutting shafts (22) and connecting blocks (23) correspond one to one. The top of the abutting shaft (22) is fixed with a top shaft (25), and the top shaft (25) is coaxially arranged with the abutting shaft (22). The connecting block (23) has a first limiting hole (24) adapted to the top shaft (25), and the first limiting hole (24) is coaxially arranged with the top shaft (25). The outer wall of the top shaft (25) is rotatably connected to the inner wall of the first limiting hole (24).

4. The cutting machine for engineering construction according to claim 3, characterized in that, A toothed ring (28) is installed on the outer wall of the top shaft (25), a rack (26) is installed on the first side plate (21), and the rack (26) is meshed with the toothed ring (28). A baffle (27) is installed on the top of the processing table (10).

5. The cutting machine for engineering construction according to claim 4, characterized in that, The first drive assembly (30) includes a drive side shaft (31) fixed on one side of the rack (26). A limiting port (39) adapted to the drive side shaft (31) is provided on the first side plate (21), and the drive side shaft (31) is slidably connected inside the corresponding limiting port (39). A drive disk (32) is provided on the outside of the drive side shaft (31), and a slide rail (33) is provided on the drive disk (32). The outer wall of the drive side shaft (31) is attached to the inner wall of the slide rail (33).

6. The cutting machine for engineering construction according to claim 5, characterized in that, A second side plate (310) is provided on one side of the first side plate (21), a first drive shaft (34) is fixed on one side of the drive disc (32), a first sleeve (35) is fixed on the top of the second side plate (310), and the first drive shaft (34) is coaxially arranged with the first sleeve (35), and the first drive shaft (34) is slidably connected inside the first sleeve (35). An end plate (36) is fixed on the top of the first side plate (21), and the end of the first drive shaft (34) away from the first sleeve (35) is rotatably connected to one side wall of the end plate (36).

7. The cutting machine for engineering construction according to claim 6, characterized in that, The outer wall of the first drive shaft (34) is fixed with a linkage block (37), and the inner wall of the first sleeve (35) is provided with a linkage groove (38), which is spiral in shape, and the linkage block (37) is slidably connected inside the linkage groove (38).

8. The cutting machine for engineering construction according to claim 7, characterized in that, The second drive assembly (40) includes a return spring (42) fixed between the first side plate (21) and the second side plate (310). A side shaft (43) is fixed on one side of the first side plate (21). A through hole is provided on the second side plate (310). A second sleeve (44) is fixed on the inner wall of the through hole, and the side shaft (43) is slidably connected inside the second sleeve (44).

9. The cutting machine for engineering construction according to claim 8, characterized in that, The bottom of each of the two second side plates (310) is fixed with a base block (45). The processing table (10) is provided with a receiving opening (46) that matches the base block (45). The base block (45) is slidably connected inside the receiving opening (46). The base block (47) is threadedly connected with a second drive shaft (48). The processing table (10) is provided with a drive source (49), and the output end of the drive source (49) is fixed on one end of the second drive shaft (48).

10. The cutting machine for engineering construction according to claim 5, characterized in that, The slide rail (33) is arc-shaped, with the first end of the slide rail (33) close to the center of the drive disk (32) and the last end of the slide rail (33) close to the edge of the drive disk (32). The initial position of the drive side shaft (31) is located at the first end of the slide rail (33).

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