A steel structure cutting device

Abstract

The present invention relates to the technical field of steel structure processing equipment, and discloses a steel structure cutting device, including a bracket. One end of the bracket is provided with a protective cover, and a first rotating shaft is rotatably connected in the protective cover. A blade is assembled and connected to the periphery of the first rotating shaft. The other end of the bracket away from the protective cover is provided with a second rotating shaft in a penetrating manner. The outer periphery of both ends of the second rotating shaft is rotatably sleeved with a first rotating sleeve. Support rods are fixedly connected to both sides of the first rotating sleeves. One end of the support rod away from the first rotating sleeve is fixedly connected with a rotating seat, and a clamping assembly is rotatably connected to the rotating seat. The present invention can use the clamping assembly to clamp the steel structure profile to be cut. When pressing the bracket and the protective cover to rotate downward relative to the support rod, it gradually approaches and cuts the steel structure profile. The edges of the steel structure profile cut on both sides of the blade will not curl due to external force, so the cutting effect is better and the manual operation is more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure processing equipment, and specifically relates to a steel structure cutting device. Background Art

[0002] A steel structure is a structure mainly composed of steel materials and is one of the main building structure types. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of sections and steel plates. Welds, bolts or rivets are usually used to connect between the components or parts. Because of its light self-weight and simple construction, it is widely used in large factories, stadiums and super high-rise fields. Steel structure cutting refers to the process of cutting and processing steel structures according to needs in industrial production.

[0003] Chinese Patent Publication No.: CN117718519A discloses a steel structure cutting device, which includes a pressing and positioning input device, a pressing and positioning output device and a buffer type two-way cutting device. The pressing and positioning input device and the pressing and positioning output device are arranged on both sides of the buffer type two-way cutting device. The buffer type two-way cutting device includes a cutting frame, a cutting hydraulic rod, a linkage component, a cutting slide rod, a lower cutting plate, an upper cutting plate and a buffer plate. The cutting frame is a frame body, and the cutting slide rod is located on both sides inside the cutting frame.

[0004] In this solution, the workpieces to be processed can be pressed and positioned. However, for profiles, the edges of the cutting positions are prone to small-scale curling deformation due to the combined action of friction heat and friction force during cutting. Summary of the Invention

[0005] The purpose of the present invention is to provide a steel structure cutting device to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A steel structure cutting device includes a bracket. One end of the bracket is provided with a protective cover. A first rotating shaft is rotatably connected in the protective cover. A blade is assembled and connected around the first rotating shaft. The other end of the bracket away from the protective cover is provided with a second rotating shaft in a penetrating manner. First rotating sleeves are rotatably sleeved around both ends of the second rotating shaft. Support rods are fixedly connected to both sides of the first rotating sleeves. One end of the support rod away from the first rotating sleeve is fixedly connected to a rotating seat, and a clamping assembly is rotatably connected to the rotating seat.

[0008] As a further scheme of the present invention: strip-shaped grooves are symmetrically embedded on both sides of the bracket. The bracket is a strip-shaped rod material. The protective cover is a semi-circular cover-shaped cavity. The upper side of the blade is located in the protective cover. A handle rod is fixedly connected to one side of the protective cover.

[0009] As a further solution of the present invention: A fixed connection is provided between the middle parts of the supporting rods on both sides.

[0010] As a further solution of the present invention: The clamping assembly includes a third rotating shaft rotatably connected to the rotating seat. A tooth groove is embedded on the periphery of the part of the third rotating shaft extending into the rotating seat. A sleeve is fixedly connected to the periphery of the middle part of the third rotating shaft. A first clamping plate is fixedly connected to the lower end of the sleeve.

[0011] As a further solution of the present invention: Telescopic cylinder sleeves are symmetrically provided through the first clamping plate. One end of the telescopic cylinder sleeve penetrates through the first clamping plate and is flush with the surface of the first clamping plate. An elastic rod is slidably fitted at the opening end of the telescopic cylinder sleeve. The elastic rod is connected to the telescopic cylinder sleeve by a spring. A second clamping plate is fixedly connected to the end of the elastic rod far from the telescopic cylinder sleeve.

[0012] As a further solution of the present invention: A sealing knob is connected by thread fitting at the end of the telescopic cylinder sleeve far from the second clamping plate. A sealing ring is inlaid on the periphery of the end of the elastic rod extending into the telescopic cylinder sleeve.

[0013] As a further solution of the present invention: Guide sleeves and threaded sleeves are symmetrically provided on both sides of the first clamping plate. The guide sleeve penetrates through the first clamping plate, and a guide rod is slidably fitted in the guide sleeve. The threaded sleeve is rotatably connected to the first clamping plate, and a threaded rod is movably connected by thread fitting in the threaded sleeve. The same-side ends of the threaded rod and the guide rod are fixedly connected to a second clamping plate.

[0014] As a further solution of the present invention: A plurality of roller shafts are rotatably connected to the second clamping plate, and the surface of the roller shaft is in active contact with the surface of the first clamping plate.

[0015] As a further solution of the present invention: The rotating seat includes second rotating sleeves rotatably connected to the peripheries of both ends of the third rotating shaft. The second rotating sleeves are fixedly connected to the ends of the supporting rods. A chute is embedded on the upper side of the second rotating sleeve. An elastic clamping strip is slidably fitted in the chute. Teeth corresponding to and adapted to the tooth groove are provided at the end of the elastic clamping strip extending into the chute. The elastic clamping strip and the chute are connected by a spring. A gasket is fixedly connected to the end of the elastic clamping strip extending out of the chute.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: During use, the clamping assembly can be used to clamp the steel structure profile to be cut and is located on both sides of the cutting position. In this way, when the pressing bracket and the protective cover rotate downward relative to the supporting rod, they can gradually approach and cut the steel structure profile. During the cutting process, the edges of the steel structure profile cut on both sides of the blade will not curl due to external forces, so the cutting effect is better and the manual operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the present invention.

[0018] Figure 2 This is a schematic structural diagram of the rotating seat, clamping assembly and support rod in the present invention.

[0019] Figure 3 is Figure 2 an enlarged schematic structural diagram of area A in

[0020] Figure 4 This is a schematic structural diagram of the first implementation manner of the clamping assembly in the present invention.

[0021] Figure 5 is Figure 4 a side view of

[0022] Figure 6 is Figure 5 a sectional view of

[0023] Figure 7 This is a schematic structural diagram of the second implementation manner of the clamping assembly in the present invention.

[0024] Figure 8 This is a schematic structural diagram of the rotating seat in the present invention.

[0025] In the figure: 1 - bracket, 11 - shield, 12 - handle rod, 13 - first rotating shaft, 14 - blade, 15 - second rotating shaft, 16 - first rotating sleeve, 17 - support rod, 2 - rotating seat, 21 - second rotating sleeve, 22 - sliding groove, 23 - elastic clamping strip, 24 - gasket, 3 - clamping assembly, 31 - third rotating shaft, 32 - sleeve, 33 - tooth groove, 34 - first clamping plate, 35 - second clamping plate, 36 - roller, 37 - telescopic barrel sleeve, 3701 - guide sleeve, 3702 - guide rod, 3703 - threaded sleeve, 3704 - threaded rod, 38 - elastic rod, 39 - sealing knob. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Please refer to Figures 1-3, in the embodiment of the present invention, a steel structure cutting device includes a bracket 1. One end of the bracket 1 is provided with a shield 11. The shield 11 and the bracket 1 are connected by welding or integrally formed by casting. The shield 11 is a semi-circular cover-shaped cavity. Bar-shaped grooves are symmetrically embedded on both sides of the bracket 1. The bracket 1 is a strip-shaped rod, and it is convenient to hold through the bar-shaped grooves on the bracket 1. A handle rod 12 is fixedly connected to one side of the shield 11, and it is also convenient to hold through the handle rod 12, so that it is convenient to manually operate for cutting. A first rotating shaft 13 is rotatably connected in the shield 11. One end of the first rotating shaft 13 is drivingly connected to a motor installed on the shield 11. A blade 14 is assembled and connected to the periphery of the first rotating shaft 13. The upper side of the blade 14 is located in the shield 11. A second rotating shaft 15 is penetrated through the end of the bracket 1 away from the shield 11. First rotating sleeves 16 are rotatably sleeved on the outer periphery of both ends of the second rotating shaft 15. Support rods 17 are fixedly connected to both sides of the first rotating sleeves 16. A rotating seat 2 is fixedly connected to the end of the support rod 17 away from the first rotating sleeve 16. A clamping assembly 3 is rotatably connected to the rotating seat 2.

[0027] Among them, the two support rods 17 are fixedly connected. The preferred connection position is in the middle of the two support rods 17, which will not affect the relative rotation of the two support rods 17 with respect to the bracket 1 through the second rotating shaft 15 and the first rotating sleeve 16, and can keep in sync during the rotation. During use, the clamping assembly 3 can be clamped on the steel structure profile to be cut and located on both sides of the cutting position. In this way, when pressing the bracket 1 and the shield 11 to rotate downward relative to the support rod 17, it can gradually approach and cut the steel structure profile. Along with the cutting process, the edges of the steel structure profile cut on both sides of the blade 14 will not curl due to external forces, so the cutting effect is better and the manual operation is more convenient.

[0028] Furthermore, as Figures 4-6 shown, the clamping assembly 3 includes a third rotating shaft 31 rotatably connected to the rotating seat 2. A toothed groove 33 is embedded on the outer periphery of the part of the third rotating shaft 31 extending into the rotating seat 2. A sleeve 32 is fixedly connected to the middle outer periphery of the third rotating shaft 31. A first clamping plate 34 is fixedly connected to the lower end of the sleeve 32. Telescopic cylinder sleeves 37 are symmetrically penetrated through the first clamping plate 34. One end of the telescopic cylinder sleeve 37 penetrates through the first clamping plate 34 and the opening is flush with the surface of the first clamping plate 34. An elastic rod 38 is slidably fitted at the opening end of the telescopic cylinder sleeve 37. The elastic rod 38 is connected to the telescopic cylinder sleeve 37 by a spring. A second clamping plate 35 is fixedly connected to the end of the elastic rod 38 away from the telescopic cylinder sleeve 37. A plurality of roller shafts 36 are rotatably connected to the second clamping plate 35. The surface of the roller shaft 36 is movably attached to the surface of the first clamping plate 34.

[0029] When this embodiment is in use, it can rotate relative to each other through the cooperation of the third rotating shaft 31 and the rotating seat 2 to adjust the angle. The second clamping plate 35 can adjust the relative distance through the elastic cooperation of the elastic rod 38 and the telescopic cylinder sleeve 37, so as to be used for clamping steel structure profiles. The roller 36 can facilitate the clamping and placement. When processing a batch of steel structure profiles, the placement efficiency can be improved. Further, in order to improve the efficiency of batch processing and avoid repeated adjustment of the relative distance between the second clamping plate 35 and the first clamping plate 34, a sealing knob 39 is connected and arranged at the end of the telescopic cylinder sleeve 37 away from the second clamping plate 35 through threaded cooperation. A sealing ring is inlaid on the periphery of the end of the elastic rod 38 extending into the telescopic cylinder sleeve 37. In this way, when adjusting the distance between the second clamping plate 35 and the first clamping plate 34, the sealing knob 39 can be removed in advance. After the adjustment is completed, the sealing knob 39 is screwed on. A sealed space is formed between the elastic rod 38 and the bottom of the telescopic cylinder sleeve 37 in the telescopic cylinder sleeve 37, and the distance between the elastic rod 38 and the bottom of the telescopic cylinder sleeve 37 can be fixed, so that it is convenient to cut and process a batch of steel structure profiles. The first clamping plate 34 and the second clamping plate 35 can complete the clamping on both sides of the cutting position of the steel structure profile, avoiding curling caused by stress during cutting. After cutting, because the roller 36 can rotate relative to each other, the first clamping plate 34 and the second clamping plate 35 can be vertically removed to continue the processing of the next group of steel structure profiles.

[0030] In order to fix the clamping distance, there can be another set of embodiments, such as Figure 7 As shown, the clamping assembly 3 includes a third rotating shaft 31 rotatably connected to the rotating seat 2. A tooth groove 33 is embedded on the periphery of the part of the third rotating shaft 31 extending into the rotating seat 2. A sleeve 32 is fixedly connected to the middle periphery of the third rotating shaft 31. The lower end of the sleeve 32 is fixedly connected with a first clamping plate 34. Guide sleeves 3701 and threaded sleeves 3703 are symmetrically arranged on both sides of the first clamping plate 34. The guide sleeve 3701 penetrates through the first clamping plate 34, and a guide rod 3702 is slidably fitted in the guide sleeve 3701. The threaded sleeve 3703 is rotatably connected to the first clamping plate 34, and a threaded rod 3704 is movably connected in the threaded sleeve 3703 through threaded cooperation. The same-side ends of the threaded rod 3704 and the guide rod 3702 are fixedly connected with a second clamping plate 35. A plurality of rollers 36 are rotatably connected to the second clamping plate 35, and the surface of the roller 36 is movably attached to the surface of the first clamping plate 34.

[0031] In this embodiment, by rotating the threaded sleeve 3703, the threaded rod 3704 can be driven to move relatively. At the same time, the guide rod 3702 slides in the guide sleeve 3701, and then the distance between the second clamping plate 35 and the first clamping plate 34 can be adjusted. Moreover, self-locking can be achieved through the threaded fit of the threaded sleeve 3703 and the threaded rod 3704. Such operation is simple and convenient, the distance adjustment is also very simple, and the matching and processing of a batch of steel structure profiles can also be realized.

[0032] Based on the above two solutions, as Figure 8 shown, the rotating seat 2 includes a second rotating sleeve 21 rotatably connected to the outer peripheries of both ends of the third rotating shaft 31. The second rotating sleeve 21 is fixedly connected to the end of the support rod 17. A chute 22 is embedded on the upper side of the second rotating sleeve 21. An elastic clamping strip 23 is slidably fitted in the chute 22. The end of the elastic clamping strip 23 extending into the chute 22 is provided with teeth corresponding to and adapted to the tooth grooves 33. The elastic clamping strip 23 and the chute 22 are connected by a spring. The end of the elastic clamping strip 23 extending out of the chute 22 is fixedly connected with a gasket 24.

[0033] In this embodiment, the length of the support rod 17 is the cutting rotation radius during the cutting of the device, that is, the rotating seat 2 is located on the trajectory of the blade 14 rotating and cutting through the support 1 and the shield 11. The radian of the gasket 24 matches the surface radian of the first rotating shaft 13. When cutting, the third rotating shaft 31 can freely rotate relative to the second rotating sleeve 21. In this way, the support 1, the shield 11 and the blade 14 jointly realize relative rotation with the support rod 17 through the cooperation of the second rotating shaft 15 and the first rotating sleeve 16. During this process, the clamping assembly 3 can be freely adjusted through the rotating seat 2, and the cutting is flexible and stable without being affected. After processing, the parts of the first rotating shaft 13 on both sides of the blade 14 can be placed in contact with the gasket 24. Under the action of gravity, the elastic clamping strip 23 is pressed towards the tooth groove 33, thereby locking the relative angle between the third rotating shaft 31 and the second rotating sleeve 21, and the third rotating shaft 31 no longer rotates relative to the second rotating sleeve 21, and the placement is more stable.

Claims

1. A steel structure cutting device, comprising a bracket, one end of the bracket is provided with a protective cover, a first rotating shaft is rotatably connected in the protective cover, and a blade is assembled and connected around the first rotating shaft, characterized in that, A second rotating shaft is provided through one end of the bracket away from the shield. First rotating sleeves are rotatably sleeved around the two ends of the second rotating shaft. Support rods are fixedly connected to both sides of the first rotating sleeves. One end of the support rod away from the first rotating sleeve is fixedly connected with a rotating seat, and a clamping assembly is rotatably connected to the rotating seat; The clamping assembly includes a third rotating shaft rotatably connected to the rotating seat. A tooth groove is embedded around the part of the third rotating shaft extending into the rotating seat. A sleeve is fixedly connected to the middle periphery of the third rotating shaft. A first clamping plate is fixedly connected to the lower end of the sleeve; Symmetrically penetrating through the first clamping plate are telescopic barrel sleeves. One end of the telescopic barrel sleeve penetrates through the first clamping plate and is flush with the surface of the first clamping plate. An elastic rod is slidably fitted at the open end of the telescopic barrel sleeve. The elastic rod and the telescopic barrel sleeve are connected by a spring. A second clamping plate is fixedly connected to the end of the elastic rod away from the telescopic barrel sleeve; A sealing knob is connected to the end of the telescopic barrel sleeve away from the second clamping plate by thread fitting. A sealing ring is inlaid around the end of the elastic rod extending into the telescopic barrel sleeve; A plurality of roller shafts are rotatably connected to the second clamping plate, and the surface of the roller shafts is movably attached to the surface of the first clamping plate.

2. The steel structure cutting device according to claim 1, characterized in that, Bar-shaped grooves are symmetrically embedded on both sides of the bracket. The bracket is a bar-shaped rod material, the shield is a semi-circular shield-shaped cavity, the upper side of the blade is located in the shield, and a handle rod is fixedly connected to one side of the shield.

3. A steel structure cutting device according to claim 2, characterized in that, A fixed connection is made between the middle parts of the support rods on both sides.

4. A steel structure cutting device according to claim 1, characterized in that, The rotating seat includes second rotating sleeves rotatably connected around the two ends of the third rotating shaft. The second rotating sleeves are fixedly connected to the ends of the support rods.

5. A steel structure cutting device according to claim 4, wherein, A chute is embedded in the upper side of the second rotating sleeve. An elastic clamping strip is slidably fitted in the chute. Teeth corresponding to and adapted to the tooth groove are provided at the end of the elastic clamping strip extending into the chute. The elastic clamping strip and the chute are connected by a spring. A gasket is fixedly connected to the end of the elastic clamping strip extending out of the chute.

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