阅读说明：本技术 一种自由控制切割角度的管材切割设备 (Pipe cutting equipment capable of freely controlling cutting angle ) 是由 吴梦飞 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种自由控制切割角度的管材切割设备,包括机体,机体中设有左右贯穿的空腔,机体下侧中设有控制腔,控制腔右侧设有升降腔,机体左右两侧分别设有带轮腔,右侧的带轮腔后侧设有花键腔,机体上侧滑动连接有切割升降块,切割升降块中设有切割腔,控制腔下侧壁固设有主电机和推动泵,机体上侧面转动连接有转动把手,转动把手中固设有升降螺母,机体中部设有夹持钢管的夹持装置,机体左右两侧设有调整钢管角度的调整装置,机体上侧设有切割钢管的切割装置,此设备能够随意调整钢管的固定角度,控制钢管的切割截面倾斜角度,能够更加灵活地切割不同用途的钢管,具有广泛的使用性。(The invention discloses a pipe cutting device capable of freely controlling cutting angles, which comprises a machine body, wherein a cavity penetrating through the machine body from left to right is arranged in the machine body, a control cavity is arranged in the lower side of the machine body, a lifting cavity is arranged on the right side of the control cavity, a belt wheel cavity is respectively arranged on the left side and the right side of the machine body, a spline cavity is arranged on the rear side of the belt wheel cavity on the right side, a cutting lifting block is connected on the upper side of the machine body in a sliding manner, a cutting cavity is arranged in the cutting lifting block, a main motor and a push pump are fixedly arranged on the lower side wall of the control cavity, a rotating handle is rotatably connected on the upper side surface of the machine body, a lifting nut is fixedly arranged in the rotating handle, a clamping device for clamping a steel pipe is arranged in the middle of the machine body, adjusting devices for adjusting the angles of the steel pipe are arranged, has wide application.)

1. The utility model provides a tubular product cutting equipment of free control cutting angle, includes the organism, its characterized in that: the steel pipe cutting machine is characterized in that a cavity penetrating left and right is formed in the machine body, a control cavity is formed in the lower side of the machine body, a lifting cavity is formed in the right side of the control cavity, belt wheel cavities are formed in the left and right sides of the machine body respectively, a spline cavity is formed in the rear side of the belt wheel cavity on the right side of the machine body, a cutting lifting block is connected to the upper side of the machine body in a sliding mode, a cutting cavity is formed in the cutting lifting block, a main motor and a push pump are fixedly arranged on the side wall of the lower side of the control cavity, a rotating handle is rotatably connected to the upper side of the machine body;

the clamping device comprises a rotating shell fixedly arranged on the upper side wall of the cavity, the lower side wall of the cavity is connected with the rotating shell in a sliding manner, a rotating shaft is rotatably connected in each rotating shell, a rotating track is fixedly arranged on the inner wall of the rotating shell, a rotating shell is slidably connected in the rotating track and fixedly connected with the rotating shaft, the inner wall of the rotating shell is rotatably connected with a horizontal shaft, a swinging clamping block is fixedly arranged in the horizontal shaft, two movable rods I are slidably connected in the swinging clamping block, a movable plate I is connected between the movable rods I and the swinging clamping block, a movable spring I is fixedly arranged on the movable rod I, a first lead screw is rotatably connected to the lower side of the rotating shell at the lower side, the first lead screw downwards penetrates through the lifting cavity, and the lower side wall of the lifting cavity is rotatably connected with a first, a first nut in threaded connection with the first screw rod is fixedly arranged in the first belt wheel;

the steel pipe cutting machine is characterized in that adjusting devices for adjusting the angles of the steel pipes are arranged on the left side and the right side of the machine body, and cutting devices for cutting the steel pipes are arranged on the upper side of the machine body.

2. The pipe cutting apparatus capable of freely controlling the cutting angle according to claim 1, wherein: main motor power is connected with the motor shaft, gear one has set firmly on the motor shaft, push pump power is connected with integral key shaft one, the lateral wall rotates under the control chamber and is connected with pivot one, pivot one set firmly with gear two of a gear meshing, gear two with integral key shaft splined connection, integral key shaft one upside has set firmly smooth pivot, smooth pivot can slide in the lateral wall on the control chamber, the gear pivot has set firmly in the smooth pivot, the lateral wall rotates on the control chamber and is connected with pivot two, be equipped with four band pulleys two in the smooth pivot, sliding connection has the sliding block between the band pulley two, lateral wall and the top on the control chamber rotate between the band pulley two and be connected with pivot two, one of them band pulley two with be connected with belt one between the band pulley one.

3. The pipe cutting apparatus capable of freely controlling the cutting angle according to claim 1, wherein: the adjusting device comprises belt wheel III which is respectively rotatably arranged on the lower side walls of the two belt wheel cavities, a nut II is fixedly arranged in each belt wheel III, a screw rod II penetrating through the upper side wall and the lower side wall of each belt wheel cavity is connected to the nut II in a threaded manner, a belt II and a belt III are respectively connected between the two belt wheels III and the two belt wheels II on the upper side of the control cavity, a lifting rod is fixedly arranged on the upper side of the screw rod II, a lifting slide rail is slidably connected to the upper side of the lifting rod, a horizontal slide rail is slidably connected to the upper side wall of the cavity, a suspension rod which slides in the machine body is fixedly arranged on the upper side of the horizontal slide rail, a connecting spring is connected to the suspension rod, horizontal slide blocks are respectively slidably connected to the horizontal slide rail and the lifting slide rail, a horizontal nut is fixedly arranged in the horizontal slide block, every sliding connection has two movable rods two in the lift piece, and two of downside has set firmly movable plate two on the movable rod two respectively, two of upside rotate respectively on the movable rod two be connected with movable plate two, movable rod two with be connected with movable spring two between the lift piece, the downside rotate in the lift slide rail and be connected with horizontal lead screw, rotate in the horizontal lead screw and be connected with two support rod, support rod is in slide in the lateral wall under the cavity.

4. The pipe cutting apparatus capable of freely controlling the cutting angle according to claim 3, wherein: the improved structure of the lifting sliding rail is characterized in that a lifting shell is connected to the side wall of the spline cavity in a sliding mode, a sliding plate is fixedly arranged on the side wall of the cavity behind the lifting sliding rail, a horizontal screw rod is connected to the sliding plate in a sliding mode, the horizontal screw rod extends into the lifting shell, a first bevel gear is fixedly arranged on the horizontal screw rod in the lifting shell, the upper side wall and the lower side wall of the spline cavity are rotatably connected with a second spline shaft, a fourth belt wheel is fixedly arranged on the lower side of the second spline shaft, a fourth belt is connected between the second belt wheel and the fourth belt wheel, a third rotating shaft is rotatably connected to the side wall of the lifting shell, a second bevel gear meshed with the first bevel gear is fixedly arranged on the third rotating shaft, the second bevel gear is connected with.

5. The pipe cutting apparatus capable of freely controlling the cutting angle according to claim 1, wherein: the cutting device comprises a cutting motor fixedly installed on the upper side wall of the cutting cavity, the cutting motor is in power connection with a cutting rotating shaft, the upper side wall and the lower side wall of the cutting cavity are in rotating connection with the cutting rotating shaft, the number of gears which are meshed with each other is set on the cutting rotating shaft, the number of friction wheels is set on the lower side of the cutting rotating shaft, a cutting shaft is connected to the lower side of the cutting lifting block in a rotating mode, a cutting knife is set on the cutting shaft, the number of friction wheels is two, the cutting knife is clamped tightly, and the upper side of the cutting lifting block is rotatably connected with a lifting lead screw in.

Technical Field

The invention relates to the relevant field of pipe cutting machines, in particular to a pipe cutting device capable of freely controlling a cutting angle.

Background

The steel pipe generally uses in the different scenes of life, to the use of steel pipe, need cut into required length with the steel pipe in advance, and general pipe cutting machine can cut steel, plastics, copper, cast iron, stainless steel and multilayer pipe, but position and angle when most pipe cutting machines can't change the steel pipe cutting need the position of manual control steel pipe, but if through handheld fixed steel pipe in cutting process, there is the safety risk, can't accurately control the cutting angle moreover, influence the use of steel pipe.

Disclosure of Invention

In order to solve the above problems, the present invention provides a pipe cutting apparatus that can freely control a cutting angle.

The invention is realized by the following technical scheme.

The invention relates to a pipe cutting device capable of freely controlling a cutting angle, which comprises a machine body, wherein a cavity penetrating through the machine body from left to right is arranged in the machine body, a control cavity is arranged in the lower side of the machine body, a lifting cavity is arranged on the right side of the control cavity, belt wheel cavities are respectively arranged on the left side and the right side of the machine body, a spline cavity is arranged on the rear side of the belt wheel cavity on the right side of the machine body, a cutting lifting block is connected to the upper side of the machine body in a sliding manner, a cutting cavity is arranged in the cutting lifting block, a main motor and a push pump are fixedly arranged on the lower side wall of the control cavity, a rotating handle is rotatably connected to the upper side of the machine body;

the clamping device comprises a rotating shell fixedly arranged on the upper side wall of the cavity, the lower side wall of the cavity is connected with the rotating shell in a sliding manner, a rotating shaft is rotatably connected in each rotating shell, a rotating track is fixedly arranged on the inner wall of the rotating shell, a rotating shell is slidably connected in the rotating track and fixedly connected with the rotating shaft, the inner wall of the rotating shell is rotatably connected with a horizontal shaft, a swinging clamping block is fixedly arranged in the horizontal shaft, two movable rods I are slidably connected in the swinging clamping block, a movable plate I is connected between the movable rods I and the swinging clamping block, a movable spring I is fixedly arranged on the movable rod I, a first lead screw is rotatably connected to the lower side of the rotating shell at the lower side, the first lead screw downwards penetrates through the lifting cavity, and the lower side wall of the lifting cavity is rotatably connected with a first, a first nut in threaded connection with the first screw rod is fixedly arranged in the first belt wheel;

the steel pipe cutting machine is characterized in that adjusting devices for adjusting the angles of the steel pipes are arranged on the left side and the right side of the machine body, and cutting devices for cutting the steel pipes are arranged on the upper side of the machine body.

Preferably, main motor power is connected with the motor shaft, gear one has set firmly on the motor shaft, push pump power is connected with integral key shaft one, the lateral wall rotates under the control chamber and is connected with pivot one, pivot one on set firmly with gear two of a gear meshing, gear two with integral key shaft splined connection, integral key shaft one upside has set firmly smooth pivot, smooth pivot can slide in the lateral wall on the control chamber, the gear pivot has set firmly in the smooth pivot, the lateral wall rotates on the control chamber and is connected with pivot two, be equipped with four band pulleys two in the smooth pivot, sliding connection has the sliding block between the band pulley two, lateral wall and the top on the control chamber rotate between the band pulley two and be connected with pivot two, one of them band pulley two with be connected with belt one between the band pulley one.

Preferably, the adjusting device comprises belt pulleys III which are respectively rotatably installed on the lower side walls of the two belt pulley cavities, a nut II is fixedly arranged in each belt pulley III, a screw rod II penetrating through the upper side wall and the lower side wall of the belt pulley cavity is connected to the nut II in a threaded manner, a belt II and a belt III are respectively connected between the two belt pulleys III and the two belt pulleys II on the upper side of the control cavity, a lifting rod is fixedly arranged on the upper side of the screw rod II, a lifting slide rail is slidably connected to the upper side of the lifting rod, a horizontal slide rail is slidably connected to the upper side wall of the cavity, a hanging rod which slides in the machine body is fixedly arranged on the upper side of the horizontal slide rail, a connecting spring is connected to the hanging rod, horizontal slide blocks are respectively slidably connected to the horizontal slide rail and the lifting slide rail, a horizontal nut is fixedly arranged in the horizontal slide block on, every sliding connection has two movable rods two in the lift piece, and two of downside has set firmly movable plate two on the movable rod two respectively, two of upside rotate respectively on the movable rod two be connected with movable plate two, movable rod two with be connected with movable spring two between the lift piece, the downside rotate in the lift slide rail and be connected with horizontal lead screw, rotate in the horizontal lead screw and be connected with two support rod, support rod is in slide in the lateral wall under the cavity.

Preferably, a lifting shell is slidably connected to the side wall of the spline cavity, a sliding plate is fixedly arranged on the rear side wall of the cavity at the rear side of the lifting slide rail, a horizontal screw rod is slidably connected to the sliding plate, the horizontal screw rod extends into the lifting shell, a first bevel gear is fixedly arranged on the horizontal screw rod in the lifting shell, the upper side wall and the lower side wall of the spline cavity are rotatably connected with a second spline shaft, a fourth belt wheel is fixedly arranged on the lower side of the second spline shaft, a fourth belt is connected between the second belt wheel and the fourth belt wheel on the lowest side, a third rotating shaft is rotatably connected to the side wall of the lifting shell, a second bevel gear meshed with the first bevel gear is fixedly arranged on the third rotating shaft, the second bevel gear is in spline connection with the second spline shaft, and the horizontal.

Preferably, the cutting device comprises a cutting motor fixedly mounted on the upper side wall of the cutting cavity, the cutting motor is in power connection with a cutting rotating shaft, the upper side wall and the lower side wall of the cutting cavity are in rotating connection with the cutting rotating shaft, the cutting rotating shaft is provided with three gears which are meshed with each other, the friction wheels are arranged on the lower sides of the cutting rotating shafts, the cutting lifting block is connected with a cutting shaft in rotating connection with the lower side of the cutting lifting block, a cutting knife is arranged on the cutting shaft, the friction wheels clamp the cutting knife, and the upper side of the cutting lifting block is connected with a lifting screw rod in threaded connection with a lifting nut in rotating connection.

The beneficial effects are that: the utility model provides a tubular product cutting equipment of free control cutting angle, wherein clamping device can fix the steel pipe to make the steel pipe can the free rotation, adjusting device can change the vertical angle and the horizontal angle of steel pipe, the cutting angle of free control steel pipe, cutting device can freely go up and down, the cutting steel pipe, this equipment can adjust the fixed angle of steel pipe at will, the cutting section inclination of control steel pipe can cut the steel pipe of different usage more in a flexible way, extensive usability has.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along the line A-A of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along the line C-C of FIG. 1 in accordance with an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the embodiment of the present invention at D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a pipe cutting device capable of freely controlling a cutting angle, which comprises a machine body 10, wherein a cavity 79 penetrating left and right is arranged in the machine body 10, a control cavity 80 is arranged in the lower side of the machine body 10, a lifting cavity 81 is arranged on the right side of the control cavity 80, belt wheel cavities 82 are respectively arranged on the left side and the right side of the machine body 10, a spline cavity 83 is arranged on the rear side of the belt wheel cavity 82 on the right side, a cutting lifting block 58 is connected to the upper side of the machine body 10 in a sliding manner, a cutting cavity 84 is arranged in the cutting lifting block 58, a main motor 11 and a pushing pump 14 are fixedly arranged on the lower side wall of the control cavity 80, a rotating handle 61 is rotatably connected to the upper side of the machine body 10, a lifting nut 60 is fixedly arranged in the rotating handle 61, a clamping device 86 for clamping a steel pipe is arranged in the middle of the machine body 10, the clamping device 86 comprises a rotating shell 30, each rotating shell 30 is rotatably connected with a rotating shaft 32, a rotating rail 31 is fixedly arranged on the inner wall of the rotating shell 30, a rotating shell 33 is connected in the rotating rail 31 in a sliding manner, the rotating shell 33 is fixedly connected with the rotating shaft 32, a horizontal shaft 34 is rotatably connected on the inner wall of the rotating shell 33, a swinging clamping block 35 is fixedly arranged in the horizontal shaft 34, two first movable rods 36 are connected in the swinging clamping block 35 in a sliding manner, a first movable plate 38 is connected between the first movable rods 36 and the swinging clamping block 35, a first movable spring 37 is fixedly arranged on the first movable rod 36, a first lead screw 27 is rotatably connected to the lower side of the rotating shell 30 on the lower side, the first lead screw 27 downwards penetrates through the lifting cavity 81, a first belt pulley 29 is rotatably connected to the lower side wall of the lifting cavity 81, and a first nut 28 in threaded connection with the first lead screw 27 is fixedly arranged in the first, the left side and the right side of the machine body 10 are provided with adjusting devices 85 for adjusting the angle of the steel pipe, and the upper side of the machine body 10 is provided with a cutting device 87 for cutting the steel pipe.

Beneficially, the main motor 11 is power connected with a motor shaft 12, a first gear 13 is fixedly arranged on the motor shaft 12, the push pump 14 is power connected with a first spline shaft 17, a first rotating shaft 16 is rotatably connected to the lower side wall of the control chamber 80, a second gear 15 meshed with the first gear 13 is fixedly arranged on the first rotating shaft 16, the second gear 15 is in spline connection with the first spline shaft 17, a smooth rotating shaft 18 is fixedly arranged on the upper side of the first spline shaft 17, the smooth rotating shaft 18 can slide in the upper side wall of the control chamber 80, a gear rotating shaft 20 is fixedly arranged in the smooth rotating shaft 18, a second rotating shaft 19 is rotatably connected to the upper side wall of the control chamber 80, four second belt pulleys 21 are arranged on the smooth rotating shaft 18, a sliding block 22 is slidably connected between the second belt pulleys 21, and a second rotating shaft 19 is rotatably connected between the upper side wall of the control chamber 80, a belt I25 is connected between one of the belt wheel II 21 and the belt wheel I29, so that a steel pipe is placed in the cavity 79, the main motor 11 is started, the motor shaft 12 rotates to drive the gear I13 to rotate, the gear I13 drives the gear II 15 and the spline shaft I17 to rotate, the spline shaft I17 drives the smooth rotating shaft 18 and the gear rotating shaft 20 to rotate, the push pump 14 is started to push the spline shaft I17 to ascend, the spline shaft I17 slides in the gear II 15, the spline shaft I17 pushes the smooth rotating shaft 18 to ascend, the gear rotating shaft 20 enters the belt wheel II 21 from bottom to top and drives to rotate, the belt I25 drives the belt wheel I29 to rotate, the nut I28 rotates to drive the screw rod I27 to ascend, the rotating shell 30 and the swing clamping block 35 to ascend, the first movable spring 37 contacts the steel pipe to push the steel pipe upwards, the four first movable rods 36 slide in the swing clamping block 35 to compress the first movable plates 38, and the first movable spring 37 clamps the steel pipe.

Beneficially, the adjusting device 85 includes three belt wheels 39 rotatably mounted on the lower side walls of the two belt wheel cavities 82, respectively, a second nut 40 is fixedly mounted in each third belt wheel 39, a second screw 41 penetrating through the upper and lower side walls of the belt wheel cavity 82 is threadedly connected to the second nut 40, a second belt 23 and a third belt 26 are respectively connected between the two third belt wheels 39 and the two second belt wheels 21 on the upper side of the control cavity 80, a lifting rod 42 is fixedly mounted on the upper side of the second screw 41, a lifting slide rail 43 is slidably connected to the upper side of the lifting rod 42, a horizontal slide rail 57 is slidably connected to the upper side wall of the cavity 79, a hanging rod 55 sliding in the machine body 10 is fixedly mounted on the upper side of the horizontal slide rail 57, a connecting spring 56 is connected to the hanging rod 55, horizontal slide blocks 47 are slidably connected to the horizontal slide rail 57 and the lifting slide rail 43, a horizontal nut 48 is fixedly mounted on the right side of the cavity 79 and in, each horizontal sliding block 47 is fixedly provided with a lifting block 51, each lifting block 51 is connected with two movable rods two 53 in a sliding manner, two movable rods two 53 on the lower side are respectively fixedly provided with a movable plate two 54, two movable rods two 53 on the upper side are respectively connected with the movable plate two 54 in a rotating manner, a movable spring two 52 is connected between each movable rod two 53 and the lifting block 51, the lifting slide rail 43 on the lower side is connected with a horizontal screw rod 49 in a rotating manner, two support connecting rods 46 are connected in the horizontal screw rod 49 in a rotating manner, the support connecting rods 46 slide in the lower side wall of the cavity 79, so that the push pump 14 pushes the spline shaft one 17 to ascend, the gear rotating shaft 20 sequentially enters the two belt wheels two 21 on the upper side and is meshed with and drives to rotate, and the belt wheels three 39 are driven to rotate by the belt two belts 23 and the belt three 26 respectively, the second nut 40 is driven to rotate, the second nut 40 drives the second screw rod 41 to move up and down, the lifting slide rail 43 is driven to move up and down, the lifting block 51 on the lower side moves up and down, the second movable plate 54 contacts the steel pipe, the second movable spring 52 is compressed, the steel pipe is driven to move up and down, the heights of the lifting blocks 51 on the left side and the right side are respectively controlled, the inclination angle of the steel pipe is changed, the steel pipe drives the swing clamping block 35 on the lower side to rotate in the rotating shell 33 after inclining, the inclined steel pipe drives the lifting slide rail 43 to rotate around the horizontal screw rod 49 and to rotate in the lifting rod 42 in a sliding manner, when the steel pipe contacts the two movable plates 54 on the upper side, the second movable plate 54 is driven to rotate, and when the lifting block 51 on the lower side pushes the steel pipe to move up to enter the lifting block 51 on the upper side, the connecting spring 56 causes the elevator block 51 to clamp the steel pipe.

Beneficially, a lifting housing 69 is slidably connected in the side wall of the spline cavity 83, a sliding plate 50 is fixedly arranged on the rear side wall of the cavity 79 at the rear side of the lifting slide rail 43, the horizontal screw rod 49 is slidably connected in the sliding plate 50, the horizontal screw rod 49 extends into the lifting housing 69, a bevel gear I68 is fixedly arranged on the horizontal screw rod 49 in the lifting housing 69, a spline shaft II 72 is rotatably connected on the upper and lower side walls of the spline cavity 83, a pulley IV 73 is fixedly arranged on the lower side of the spline shaft II 72, a belt IV 24 is connected between the lowest pulley II 21 and the pulley IV 73, a rotating shaft III 71 is rotatably connected on the lower side wall of the lifting housing 69, a bevel gear II 70 engaged with the bevel gear I68 is fixedly arranged on the rotating shaft III 71, the bevel gear II 70 is in spline connection with the spline shaft II 72, and the horizontal nut 48 is in threaded connection with the horizontal, so that the push pump 14 controls the gear rotating shaft 20 to enter the second belt wheel 21 at the lowest side, and drives the second belt wheel 21 to rotate, the belt pulley IV 73 and the spline shaft II 72 are driven to rotate through the belt IV 24, the bevel gear II 70 is driven to rotate, the second bevel gear 70 drives the first bevel gear 68 and the horizontal screw rod 49 to rotate, the horizontal screw rod 49 drives the horizontal nut 48 to move, so that the horizontal slider 47 moves in the lifting slide rail 43 to drive the lifting block 51 to move horizontally, when the lifting block 51 is lifted, the horizontal screw rod 49 slides in the sliding plate 50, which drives the lifting shell 69 to slide in the spline cavity 83, the lifting block 51 moves horizontally to drive the steel pipe to rotate horizontally, the horizontal angle of the steel pipe is changed, and the steel pipe drives the rotating shell 33 to rotate in the rotating shell 33.

Beneficially, the cutting device 87 includes a cutting motor 64 fixedly installed on the upper side wall of the cutting chamber 84, the cutting motor 64 is power-connected with a cutting rotating shaft 65, the upper and lower side walls of the cutting chamber 84 are rotatably connected with the cutting rotating shaft 65, two gears 66 engaged with each other are fixedly installed on the two cutting rotating shafts 65, friction wheels 67 are fixedly installed on the lower sides of the two cutting rotating shafts 65, the lower side of the cutting lifting block 58 is rotatably connected with a cutting shaft 62, a cutting knife 63 is fixedly installed on the cutting shaft 62, the two friction wheels 67 clamp the cutting knife 63, a lifting screw 59 in threaded connection with the lifting nut 60 is rotatably connected on the upper side of the cutting lifting block 58, so that when the angle of the steel pipe is adjusted, the cutting motor 64 is started, the cutting rotating shaft 65 on the right side rotates to drive the gear three 66 to rotate, and drive the other gear three 66 to, the two friction wheels 67 rotate and rotate in opposite directions, the friction wheels 67 drive the cutting knife 63 to rotate, then the rotating handle 61 is manually rotated to drive the lifting nut 60 to rotate, the lifting nut 60 drives the lifting screw rod 59 to move up and down to drive the cutting lifting block 58 to lift, the cutting lifting block 58 descends to drive the cutting knife 63 to descend, and the cutting knife 63 cuts a steel pipe.

In the initial state, the main motor 11, the push pump 14 and the cutting motor 64 are not started, and the gear rotating shaft 20 is in the second lowermost pulley 21.

When the steel pipe works, the steel pipe is placed into the cavity 79, the main motor 11 is started, the motor shaft 12 rotates to drive the first gear 13 to rotate, the second gear 15 and the first spline shaft 17 are driven by the first gear 13 to rotate, the smooth rotating shaft 18 and the gear rotating shaft 20 are driven by the first spline shaft 17 to rotate, the first spline shaft 17 is driven to ascend, the first spline shaft 17 slides in the second gear 15, the first spline shaft 17 drives the smooth rotating shaft 18 to ascend, the gear rotating shaft 20 enters the second belt wheel 21 from bottom to top and drives to rotate, the first belt wheel 29 is driven to rotate through the first belt 25, the first nut 28 rotates to drive the first screw rod 27 to ascend, the rotating shell 30 and the swing clamping block 35 to ascend, the first movable spring 37 contacts the steel pipe to push the steel pipe upwards, the four movable rods 36 slide in the swing clamping block 35 to compress the first movable plate 38, the first movable spring 37 clamps the steel pipe, the first spline shaft 17 is, the gear rotating shaft 20 sequentially enters the two belt wheels 21 at the upper side, is engaged and driven to rotate, drives the belt wheel three 39 to rotate through the belt wheel two 23 and the belt wheel three 26 respectively, drives the nut two 40 to rotate, the nut two 40 drives the screw rod two 41 to lift, the lifting slide rail 43 is driven to lift, the lifting block 51 at the lower side is driven to lift, the movable plate two 54 contacts the steel pipe, the movable spring two 52 is compressed to drive the steel pipe to lift, controls the heights of the lifting blocks 51 at the left side and the right side respectively, changes the inclination angle of the steel pipe, the steel pipe inclines to drive the swinging clamping block 35 at the lower side to rotate in the rotating shell 33, the inclined steel pipe drives the lifting slide rail 43 to rotate around the horizontal screw rod 49 and slide and rotate in the lifting rod 42, when the steel pipe contacts the two movable plate two 54 at the upper side, the movable plate two 54 at the lower side is driven to rotate, when, the connecting spring 56 is compressed, the lifting block 51 is clamped by the connecting spring 56, the pump 14 is pushed to control the gear rotating shaft 20 to enter the second belt wheel 21 at the lowest side, the second belt wheel 21 is driven to rotate, the fourth belt wheel 73 and the second spline shaft 72 are driven to rotate through the fourth belt 24, the second bevel gear 70 is driven to rotate, the first bevel gear 68 and the horizontal screw rod 49 are driven to rotate by the second bevel gear 70, the horizontal screw rod 49 drives the horizontal nut 48 to move, the horizontal slider 47 moves in the lifting slide rail 43, the lifting block 51 is driven to move horizontally, when the lifting block 51 is lifted, the horizontal screw rod 49 slides in the sliding plate 50, the lifting shell 69 is driven to slide in the spline cavity 83, the lifting block 51 moves horizontally to drive the steel pipe to rotate horizontally, the horizontal angle of the steel pipe is changed, the steel pipe drives the rotating shell 33 to rotate in the rotating shell 33, after the angle of, the third gear 66 is driven to rotate to drive the third gear 66 to rotate reversely, the two friction wheels 67 rotate and turn reversely, the friction wheels 67 drive the cutting knife 63 to rotate, then the handle 61 is manually rotated to rotate, the lifting nut 60 is driven to rotate, the lifting nut 60 drives the lifting screw 59 to move up and down, the cutting lifting block 58 is driven to lift up and down, the cutting lifting block 58 descends to drive the cutting knife 63 to descend, and the cutting knife 63 cuts the steel pipe.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.