Cutting machine for thin-wall steel pipe
By designing a portable thin-wall steel pipe cutting machine, the problem that existing equipment cannot meet on-site cutting needs is solved. Portable and precise steel pipe cutting is achieved, which is suitable for non-workshop environments and improves the flexibility and efficiency of on-site cutting.
Patent Information
- Application Number
- CN202521844476.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-28
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-08-28
AI Technical Summary
Existing thin-walled steel pipe cutting equipment is generally non-portable, which leads to errors when modifying the size during construction and deformation of the thin-walled steel pipe, and cannot meet on-site cutting needs.
A portable cutting machine is designed, which includes a clamping assembly and a cutting assembly. The clamping assembly achieves stable clamping of the steel pipe through a lifting arm and a load-bearing roller. The cutting assembly achieves precise cutting through a knife holder and a knife pressing mechanism. It is equipped with a lifting mechanism and a driving mechanism to adapt to steel pipes of different specifications.
It realizes portable cutting, reduces errors, is suitable for non-workshop environments, improves the flexibility and efficiency of on-site cutting, and has a wide range of applications.
Smart Images

Figure CN223455162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel pipe cutting, in particular to a cutting machine for thin-walled steel pipes. Background Art
[0002] Thin-walled steel pipes have the advantages of light weight, high strength and corrosion resistance, and are widely used in construction, machinery, automobiles, chemicals and other fields.
[0003] Thin-walled steel pipes need to be cut before use to adapt to the actual installation size and connection requirements. However, as shown in the thin-walled steel pipe cutting equipment disclosed in application number CN202422186301.X or application number CN202510743126.6, current thin-walled steel pipe cutting equipment is generally non-portable, which requires the steel pipes to be cut into customized sizes in the workshop before transportation. However, in actual construction, the sizes often need to be modified. For this situation, the current solution is generally manual cutting by staff. The manual cutting size correction method is prone to errors and easily causes the thin-walled steel pipe to deform. Therefore, a portable thin-walled steel pipe cutting equipment is needed to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the present invention provides a cutting machine for thin-walled steel pipes to solve the problems mentioned in the above background technology.
[0005] The utility model provides the following technical solutions: a cutting machine for thin-walled steel pipes, comprising a base, a clamping assembly and a cutting assembly;
[0006] The clamping assembly includes a mounting groove provided in the upper side surface of the base, and two bearing rollers distributed front and back are installed in the mounting groove. The base is also equipped with a lifting arm that can be raised and lowered, and an adjustment seat is installed in the lifting arm. Two pressure wheels distributed front and back are respectively installed on the left and right sides of the adjustment seat. It also includes a lifting mechanism for controlling the lifting arm and a driving mechanism for driving the bearing rollers to rotate;
[0007] The cutting assembly includes a knife seat connected to the adjustment seat in an up-and-down sliding manner, a knife head is clamped in the bottom surface of the knife seat, and a knife pressing mechanism for controlling the up-and-down position of the knife seat relative to the adjustment seat.
[0008] Preferably, the knife pressing mechanism includes a threaded shaft rotatably connected to the adjustment seat and threadedly connected to the knife seat, and the threaded shaft extends to the upper end of the upper side of the adjustment seat and is equipped with a hand wheel.
[0009] Preferably, the lifting mechanism comprises a boss arranged on the base, a lifting platform is slidably connected in the boss, and the lifting arm is fixed to the lifting platform.
[0010] A first pressing plate capable of pressing on the lifting platform is also slidably connected in the boss, and an electric cylinder is arranged on the rear side of the boss, and a telescopic rod in the electric cylinder is connected to the first pressing plate.
[0011] Preferably, the upper side of the lifting arm is provided with a handle.
[0012] Preferably, the left and right sides of the base are integrally formed with sliding boxes, and a first sliding groove communicating with the mounting groove is arranged in the sliding box, a sliding block is slidably connected in the first sliding groove, the rear bearing rollers are rotatably connected in the left and right sliding blocks, and the front bearing rollers are rotatably connected in the left and right sides of the mounting groove.
[0013] The mutually far sides of the two sliding blocks are provided with insertion grooves, and the left and right sides of the sliding box are arranged with two rows of screw holes distributed in the upper and lower directions, and an insertion pin inserted into the insertion groove is screwed into each sliding box through the screw hole.
[0014] Preferably, a second sliding groove penetrating in the up-down direction is arranged in the lifting arm, the adjusting seat is slidably connected in the second sliding groove, a second pressing plate capable of pressing on the side of the adjusting seat is also slidably connected in the second sliding groove, a adjusting shaft threaded connected to the second pressing plate is rotatably connected in the lifting arm, and a knob is arranged at the end of the adjusting shaft.
[0015] Preferably, the driving mechanism comprises an electric motor arranged in the mounting groove, an output shaft in the electric motor, and a synchronous wheel arranged on the front bearing roller, and the two synchronous wheels are connected through a synchronous belt.
[0016] The utility model provides a cutting machine for thin -walled steel pipe has the following beneficial effects:
[0017] The utility model is used for slitting to steel pipe, and the utility model for light portable is easy to transport, is applicable to non -workshop environment carries out steel pipe cutting operation, expands application scene, for the on -the -spot emergent steel pipe cutting demand, the utility model can be handled in position quickly, reduces the waiting time of shutdown,
[0018] The distance between the two bearing rollers in the utility model can be adjusted to adapt to steel pipes of different specifications, thereby improving the application range of the utility model. ACCURACY OF DRAWINGS
[0019] Figure 1 It is the appearance schematic drawing of the utility model;
[0020] Figure 2 is Figure 1 a left view in the lifting arm;
[0021] Figure 3 is a plan view of the present application. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described in detail below with reference to the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0024] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0025] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] With reference to Figures 1-3 According to the embodiment of the cutting machine for thin-walled steel pipes of the present application, a clamping assembly and a cutting assembly are provided on the base 11, the clamping assembly is used for clamping the thin-walled steel pipe, and the cutting assembly is used for cutting (transverse cutting) the clamped thin-walled steel pipe.
[0027] The clamping assembly comprises a mounting groove 12 arranged in the upper side of the base 11, two load rollers 13 arranged in the mounting groove 12, a lifting arm 14 arranged on the base 11 and capable of lifting, an adjusting seat 15 arranged in the lifting arm 14, two pressing wheels 16 arranged on the left and right sides of the adjusting seat 15, a lifting mechanism for controlling the lifting arm 14, and a driving mechanism for driving the load rollers 13 to rotate.
[0028] When the thin-walled steel pipe is clamped, the thin-walled steel pipe abuts against the two load rollers 13 and the four pressing wheels 16 at the same time, and the driving mechanism drives the clamped steel pipe to rotate by driving the load rollers 13 to rotate, so as to facilitate cutting.
[0029] The cutting assembly comprises a cutter seat 17 slidingly connected to the adjusting seat 15, a cutter head clamped in the bottom surface of the cutter seat 17, and a cutter pressing mechanism for controlling the up-and-down position of the cutter seat 17 relative to the adjusting seat 15.
[0030] When the steel pipe is in a rotating state, if the cutter pressing mechanism controls the cutter seat 17 to move downward, the cutter head in the cutter seat 17 cuts the rotating thin-walled steel pipe during the process.
[0031] In this embodiment, the cutter pressing mechanism comprises a threaded shaft 18 rotatingly connected to the adjusting seat 15 and screwedly connected to the cutter seat 17, and the threaded shaft 18 extends to the upper end of the upper side of the adjusting seat 15 and is provided with a hand wheel 19, so that the staff can control the lifting of the cutter seat 17 and the cutter head by rotating the hand wheel 19.
[0032] In this embodiment, the lifting mechanism comprises a boss 20 arranged on the base 11, a lifting platform 21 slidingly connected to the boss 20, and the lifting arm 14 is fixed to the lifting platform 21.
[0033] In addition, the boss 20 is also provided with a first pressing plate 22 capable of pressing the lifting platform 21 and slidingly connected to the boss 20, and the rear side of the boss 20 is provided with an electric cylinder 23, and the telescopic rod in the electric cylinder 23 is connected to the first pressing plate 22.
[0034] After the staff adjusts the up-and-down position of the lifting platform 21 and the lifting arm 14, the first pressing plate 22 can be pushed forward by the electric cylinder 23 until the first pressing plate 22 presses the lifting platform 21, so as to fix the up-and-down position of the adjusting seat 15 and the pressing wheels 16.
[0035] In order to control the up-and-down position of the lifting arm 14, the upper side of the lifting arm 14 is provided with a handle 31.
[0036] The specific steel pipe clamping process is as follows:
[0037] First, the staff lifts the lifting arm 14 to the highest position through the handle 31 and locks it through the first pressing plate 22, then the staff places the steel pipe on the bearing roller 13, and then the staff holds the handle 31 and makes the first pressing plate 22 retreat, at this time the staff can manually control the lifting arm 14 to descend until the pressing wheel 16 is pressed on the steel pipe, then the first pressing plate 22 is controlled to move forward and lock the up-down position of the lifting platform 21 and the lifting arm 14, at this time the clamping of the steel pipe is completed.
[0038] In the second embodiment of the cutting machine for thin-walled steel pipes, in order to enable the bearing roller 13 to stably clamp steel pipes of different diameters, the left and right sides of the base 11 are integrally formed with sliding boxes, and the sliding boxes are provided with a first sliding groove communicated with the mounting groove 12, the first sliding groove is slidably connected with a sliding block 24, the rear bearing roller 13 is rotatably connected in the left and right sliding blocks 24, and the front bearing roller 13 is rotatably connected in the left and right sides of the mounting groove 12.
[0039] In addition, the mutually faraway sides of the two sliding blocks are provided with insertion grooves, the left and right sides of the sliding boxes are arranged with two rows of screw holes distributed in up and down directions, a plug pin inserted into the insertion groove is screwed into each sliding box through the screw hole, so as to complete the position locking work of the sliding block 24.
[0040] Alternatively, the left and right sides of the sliding boxes are arranged with two rows of insertion holes distributed in up and down directions, the plug pin is interference-fitted in the insertion hole and inserted into the insertion groove, so as to complete the position locking work of the sliding block 24.
[0041] In addition, the lifting arm 14 is provided with a second sliding groove penetrating in up and down directions, the adjusting seat 15 is slidably connected in the second sliding groove, the second sliding groove is further slidably connected with a second pressing plate 25 capable of pressing on the side of the adjusting seat 15, and the lifting arm 14 is rotatably connected with an adjusting shaft screwed with the second pressing plate 25, and the end of the adjusting shaft is provided with a knob 26.
[0042] When adjustment is needed, the staff first unscrews the plug pin, then adjusts the front and rear positions of the sliding block 24 and the rear bearing roller 13, adjusts the front and rear positions of the adjusting seat 15 after the adjustment is completed, so that the adjusting seat 15 is in the middle of the front and rear bearing rollers 13, and then the staff unscrews the knob 26.
[0043] In the embodiment, the driving mechanism comprises a motor arranged in the mounting groove 12, an output shaft in the motor, and synchronous wheels arranged on the front bearing rollers 13, and the two synchronous wheels are connected by a synchronous belt 42.
[0044] Specific operation process:
[0045] Firstly, the staff adjusts the distance between the bearing rollers 13 and the front and back positions of the adjusting seat 15 according to the diameter of the steel pipe, then places the steel pipe on the bearing rollers 13 and makes the steel pipe be pressed by the pressing wheels 16, then makes the motor be electrified, at this time, the bearing rollers 13 drive the steel pipe to rotate, then rotates the hand wheel 19, in this process, the cutter seat 17 gradually descends, when the cutter head in the cutter seat 17 contacts the pressed steel pipe, the steel pipe cutting work starts.
[0046] It is additionally explained that the first pressing plate 22 and the second pressing plate 25 are provided with ribs for increasing friction, so as to avoid the position deviation of the lifting platform 21 and the adjusting seat 15 in the machining process;
[0047] The buttons for controlling the motor and the electric cylinder 23 are arranged on the base 11;
[0048] When the long steel pipe is cut, the steel pipe needs to be supported, so as to avoid the whole base 11 to be inclined.
[0049] The above only describes the specific embodiments of the utility model, but the technical features of the utility model are not limited to this, any person skilled in the art makes changes or modifications in the field of the utility model, and the changes or modifications are covered in the patent range of the utility model.
Claims
1. A cutting machine for thin-walled steel pipes, comprising a base (11), characterized in that: Also include clamping assembly and cutting assembly; The clamping assembly includes a mounting groove (12) arranged in the upper side of the base (11), and two bearing rollers (13) are arranged in the mounting groove (12) in front and back, and a lifting arm (14) capable of lifting is arranged on the base (11), the lifting arm (14) is provided with an adjusting seat (15), two pressure rollers (16) are arranged on the left and right sides of the adjusting seat (15) in front and back, and a lifting mechanism for controlling the lifting arm (14) is further arranged, and a driving mechanism for driving the bearing roller (13) to rotate is further arranged; The cutting assembly includes a cutter seat (17) slidingly connected to the adjusting seat (15), and a cutter head is arranged in the bottom surface of the cutter seat (17), and a cutter pressing mechanism for controlling the up-down position of the cutter seat (17) relative to the adjusting seat (15) is further arranged.
2. A cutting machine for thin-walled steel pipes according to claim 1, characterized in that: The cutter pressing mechanism includes a threaded shaft (18) rotatably connected to the adjusting seat (15) and threadedly connected to the cutter seat (17), and the threaded shaft (18) extends to the upper end of the upper side of the adjusting seat (15) and is provided with a hand wheel (19).
3. A cutting machine for thin-walled steel pipes according to claim 1, characterized in that: The lifting mechanism includes a boss (20) arranged on the base (11), a lifting platform (21) slidingly connected to the boss (20) in up-down direction, and the lifting arm (14) is fixed to the lifting platform (21); A first pressing plate (22) capable of pressing on the lifting platform (21) is further slidingly connected to the boss (20) in front and back, and an electric cylinder (23) is arranged on the rear side of the boss (20), and the telescopic rod in the electric cylinder (23) is connected to the first pressing plate (22).
4. A cutting machine for thin-walled steel pipes according to claim 3, characterized in that: The upper side of the lifting arm (14) is provided with a handle (31).
5. The cutting machine for thin-walled steel pipes according to claim 1, characterized in that: The left and right sides of the base (11) are integrally formed with a sliding box, and a first sliding groove communicating with the mounting groove (12) is arranged in the sliding box, a sliding block (24) is slidingly connected to the first sliding groove in front and back, the rear bearing roller (13) is rotatably connected to the left and right sliding blocks, and the front bearing roller (13) is rotatably connected to the left and right sides of the mounting groove (12); The side surfaces of the two sliding blocks away from each other are provided with insertion grooves, and the side surfaces of the sliding box are arranged with two rows of screw holes in up-down direction, and a plug pin inserted into the insertion groove is screwed into each screw hole.
6. A cutting machine for thin-walled steel pipes according to claim 5, characterized in that: A second sliding groove penetrating in up-down direction is arranged in the lifting arm (14), the adjusting seat (15) is slidingly connected to the second sliding groove in front and back, a second pressing plate (25) capable of pressing on the side surface of the adjusting seat (15) is further slidingly connected to the second sliding groove in left and right directions, a adjusting shaft threadedly connected to the second pressing plate (25) is rotatably connected to the lifting arm (14), and a knob (26) is arranged at the end of the adjusting shaft.
7. A cutting machine for thin-walled steel pipes according to claim 5, characterized in that: The driving mechanism includes an electric motor arranged in the mounting groove (12), an output shaft in the electric motor, and a synchronous wheel arranged on the front bearing roller (13), and the two synchronous wheels are connected by a synchronous belt.
Citation Information
Patent Citations
Anti-deformation cutting device for thin-wall steel pipe
CN120326050A
Thin-wall steel pipe cutting device
CN223185627U