CN115194348B

CN115194348B - Groove pipe laser cutting equipment

Info

Publication number: CN115194348B
Application number: CN202211125998.9A
Authority: CN
Inventors: 王亚军
Original assignee: Jiangsu Dazu Yueming Laser Technology Co ltd
Current assignee: Songgu Laser Technology Jiangsu Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-13
Anticipated expiration: 2042-09-16
Also published as: CN115194348A

Abstract

The invention relates to the technical field of pipe laser cutting, and particularly provides groove pipe laser cutting equipment which comprises a base, wherein a cutting mechanism for drilling a hexagonal pipe and a clamping mechanism for horizontally clamping and fixing the hexagonal pipe are respectively arranged on the base; according to the invention, the cutting mechanism is arranged, so that the cutting mechanism can horizontally extend to the interior of the hexagonal pipe and can be used for cutting the groove, when the cutting is carried out, the lower end face of the hexagonal pipe is cut by the laser cutting head, and the generated scraps can directly fall downwards through the lower end face of the hexagonal pipe, so that on one hand, the scraps are prevented from directly falling on the inner wall of the groove and the inner wall of the hexagonal pipe, after the cutting is finished, the follow-up scrap cleaning operation is omitted, the workload of workers is reduced, and the one-time cutting in place is realized.

Description

Groove pipe laser cutting equipment

Technical Field

The invention relates to the technical field of pipe laser cutting, in particular to groove pipe laser cutting equipment.

Background

The groove is a groove with a certain geometric shape processed on a welding part by mechanical equipment, so that two workpieces to be welded can be tightly assembled together, and good welding degree is ensured; the shape of the groove generally includes an X-shaped groove, a V-shaped groove, a U-shaped groove, and the like.

At present, when carrying out circular groove machining to metal class tubular product, generally can use laser cutting equipment, its working process is: the method comprises the following steps of horizontally clamping and fixing a pipe to be processed through a clamping component, then movably cutting the upper end face of the outer periphery of the pipe by using a laser cutting component, and finally obtaining a required circular groove.

However, when the metal pipe is a hexagonal pipe with a large thickness and the grooves need to be cut on six surfaces of the hexagonal pipe, the following problems exist when the conventional laser cutting equipment is used for cutting the circular grooves: 1. because traditional laser cutting equipment is at tubular product up end face cutting down, and the side distance of hexagon tubular product is nearer, the piece that produces during can the partial cutting drops on the groove inner wall of accomplishing the cutting, and changes the cutting plane along with the rotation of hexagon tubular product, can lead to earlier can adsorbing more piece on accomplishing the groove of cutting, consequently, in order to avoid the piece to influence the welding effect of tubular product, still need follow-up clearing up these pieces, lead to the processing speed of groove slow.

2. In addition, because the laser cutting equipment is from the up end of tubular product cutting, after the cutting is accomplished, unnecessary tubular product can not drop immediately, but when tubular product rotated and changed the cutting face, drop under the effect of gravity, but the adjacent terminal surface distance of hexagon tubular product is nearer, often need hexagon tubular product to rotate and change the cutting plane more than twice, just can make unnecessary tubular product drop, the adsorption time of hexagon tubular product and groove is longer this moment, then make both secondary paste together under the condition of high temperature easily, it is still manual to separate the two follow-up, it is more loaded down with trivial details to operate.

Disclosure of Invention

The invention provides a beveled pipe laser cutting device, which solves the problem that a large amount of debris can be adsorbed on a beveled edge.

In order to solve the technical problem, the invention provides a beveled pipe laser cutting device, which comprises: the cutting mechanism comprises a laser cutting part and a power part, the laser cutting part horizontally extends into the hexagonal pipe to perform laser cutting, the power part is used for driving the laser cutting part to horizontally move, the laser cutting part is connected with the power part, and the power part is arranged on the base;

the laser cutting part comprises a support frame, an inverted U-shaped mounting seat, a rotating motor, an inverted U-shaped sliding seat, a U-shaped connecting piece, a laser cutting head, an electric push rod, an angle adjusting assembly for adjusting the cutting angle of the laser cutting head and a heat radiating assembly; the support frame is fixedly arranged on the power part and is parallel to the upper end face of the base; the mounting seat is fixedly mounted at one end, far away from the power part, of the supporting frame, the rotating motor is fixedly mounted on the inner wall of the upper end of the mounting seat, the output end of the rotating motor is fixedly connected with the upper end face of the sliding seat, the connecting piece is in sliding connection with one side, opposite to two vertical sections of the sliding seat, the laser cutting head is rotatably mounted between one side, opposite to two vertical sections of the connecting piece, and the cutting end of the laser cutting head is arranged downwards; electric putter fixed mounting be in on the side end face of slide, electric putter's flexible end with the upper end lateral surface of connecting piece links to each other, angle adjusting part sets up on the connecting piece, just angle adjusting part with the laser cutting head is connected, radiator unit sets up on the mount pad.

Preferably, the power unit includes a driving motor, a screw rod and a moving seat, the driving motor is fixedly mounted at a side end of the base, the screw rod is fixedly connected with an output end of the driving motor, a chute is formed in an upper end surface of the base, one end of the screw rod, which is far away from the driving motor, is rotatably connected with an inner side wall of the chute, a lower end of the moving seat is in threaded connection with an outer peripheral side of the screw rod, two opposite side end surfaces of the lower end of the moving seat are in sliding connection with the chute, and an upper end of the moving seat is vertically and fixedly connected with the support frame.

Preferably, angle adjustment subassembly includes two gear parts, adjust knob and angle pointer, and two gear parts mesh side by side from top to bottom and rotate and install arbitrary one vertical section of connecting piece, one of them the both ends of gear part respectively with the periphery side fixed connection of laser cutting head and angle pointer fixed connection, another the gear part is kept away from the one end of laser cutting head with adjust knob fixed connection, the connecting piece is close to one side of adjust knob is equipped with the angle scale mark, the angle pointer is directional the angle scale mark.

Preferably, the heat dissipation assembly comprises a first bevel gear, two second bevel gears and two fan blades, the first bevel gear is fixedly sleeved at the output end of the rotating motor, and the first bevel gear is positioned right above the sliding seat; the two second bevel gears are symmetrically and rotatably installed on the vertical section of the installation seat respectively, the two second bevel gears are meshed with the first bevel gear, the two fan blades are fixedly installed at one ends, far away from the first bevel gear, of the two second bevel gears respectively, the installation seat is located between the two fan blades, and the blowing direction of the fan blades faces to the port of the hexagonal pipe.

Preferably, fixture includes the protection casing, drives motor, clamping head and two band pulleys, protection casing fixed mounting be in the side of the week of base, and with laser cutting portion sets up relatively, it is in to drive motor fixed mounting the lower extreme of protection casing, the clamping head rotates to be installed the protection casing is close to one side of laser cutting portion, two the band pulley respectively fixed mounting drive the motor the output with on the clamping head, two band pulleys are located the inside of protection casing, and two connect through belt transmission between the band pulley.

Preferably, keep away from on the centre gripping head the one end circumference of protection casing evenly is provided with six synchronous activity's contact, and six the center of symmetry of contact with the support frame sets up the axis coincidence of direction.

Preferably, groove tubular product laser cutting equipment, still include garbage collection mechanism, garbage collection mechanism is including supporting the slide, collecting the fill, clearance scraper blade, two tension springs and push rod, two shift chutes have been seted up to the up end of base, and common sliding connection has the support slide between two shift chutes, the joint of collection fill is in on the support slide, clearance scraper blade slidable mounting be in between two relative inside walls of collection fill, be connected with two tension springs between one end that the support slide is close to laser cutting portion and the shift chute, push rod fixed mounting be in remove the seat and be close to one side of support slide, just the push rod is kept away from remove the seat one end with the side end face laminating of collecting the fill.

Preferably, the opening of the collecting hopper faces upwards, the center of the opening of the collecting hopper is overlapped with the rotation center of the laser cutting head, and a discharge groove is formed in one side, opposite to the cleaning scraper, of the inner side wall of the collecting hopper.

Compared with the prior art, the bevel pipe laser cutting equipment provided by the embodiment of the invention has the following beneficial effects: 1. the cutting mechanism is arranged, so that the cutting mechanism can horizontally extend into the hexagonal pipe and can cut the groove, when the cutting mechanism is used for cutting the lower end face of the hexagonal pipe, the generated scraps can directly fall downwards through the lower end face of the hexagonal pipe, on one hand, the scraps are prevented from directly falling onto the inner wall of the groove and the inner wall of the hexagonal pipe, after the cutting is finished, the subsequent scrap cleaning operation is omitted, the one-time cutting is realized, and the working speed is accelerated; on the other hand, the cut pipe can automatically and quickly drop downwards under the action of gravity due to being in the lower position, so that the contact time between the cut pipe and the groove is reduced, secondary sticking between the cut pipe and the groove is avoided, manual operation for taking off the redundant pipe is omitted, the operation is more convenient, and the cutting speed of the groove is further accelerated.

2. Through setting up electric putter and connecting piece and angle adjusting component, can realize horizontal position control and the angle function to the laser cutting head for the groove of different diameter size, different inclination can be cut out to the laser cutting head, with the different processing demands of satisfying hexagon tubular product, cutting mechanism's adaptability has further been increased.

3. Through setting up radiator unit, utilize to rotate the motor and drive laser cutting head rotation effect, can drive two flabellums in step and rotate, can blow off the inside heat of hexagon pipeline respectively to its both ends, and then realize the cooling function to the pipeline inside, avoid laser cutting portion to be in high temperature environment for a long time to play certain guard action.

4. Through setting up the garbage collection structure, can be used to concentrate the collection to the piece that produces when cutting, wherein, with the push rod setting on removing the seat, can be when laser cutting portion extends to hexagon tubular product inside for the push rod promotes the collection in step and fights the activity, ensures to collect and fights the below position that is in the laser cutting head all the time, and then better collects the piece, avoids the piece to drop the position outside collecting and fighting.

Drawings

Fig. 1 is a state diagram of a divided edge tube laser cutting apparatus provided in an embodiment of the present invention during cutting.

Fig. 2 is a schematic structural diagram of groove pipe laser cutting equipment provided in an embodiment of the present invention.

Fig. 3 is a top view of the divided tube laser cutting apparatus shown in fig. 1.

Fig. 4 isbase:Sub>A cross-sectional view taken along the planebase:Sub>A-base:Sub>A of fig. 3.

Fig. 5 is a partially enlarged view of the region a shown in fig. 4.

Fig. 6 is a cross-sectional view taken along the plane B-B shown in fig. 3.

Fig. 7 is a schematic structural view of the cutting mechanism shown in fig. 2.

Fig. 8 is a schematic structural view of the laser cutting part shown in fig. 7.

Fig. 9 is a side view of the laser cut portion shown in fig. 8.

Fig. 10 is a cross-sectional view taken along plane C-C of fig. 9.

Fig. 11 is a schematic view of the waste collection structure shown in fig. 2.

The reference numbers in the figures: 1. a base; 2. a cutting mechanism; 21. a laser cutting section; 211. a support frame; 212. a mounting seat; 213. rotating the motor; 214. a slide base; 215. a connecting member; 216. a laser cutting head; 217. an electric push rod; 218. an angle adjustment assembly; 2181. a gear member; 2182. adjusting a knob; 2183. an angle pointer; 219. a heat dissipating component; 2191. a first bevel gear; 2192. a second bevel gear; 2193. a fan blade; 22. a power section; 221. a drive motor; 222. a screw rod; 223. a movable seat; 3. a clamping mechanism; 31. a protective cover; 32. driving a motor; 33. a clamping head; 34. a pulley; 4. a waste collection mechanism; 41. a support slide; 42. a collecting hopper; 43. cleaning a scraper; 44. a tension spring; 45. a push rod.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

In addition, the following terms are defined based on functions in the present invention, and may be different according to the intention or the custom of an operator; therefore, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1-3, a bevel pipe laser cutting apparatus includes: base 1, be equipped with respectively on the base 1 and be used for the cutting mechanism 2 of trompil to the hexagon tubular product and be used for the fixed fixture 3 of the horizontal centre gripping of hexagon tubular product, cutting mechanism 2 includes that the level extends to the inside laser cutting portion 21 that carries out laser cutting of hexagon tubular product and the power portion 22 that is used for driving the horizontal activity of laser cutting portion 21, and laser cutting portion 21 is connected with power portion 22, and power portion 22 sets up on base 1.

Referring to fig. 4, fig. 5, fig. 7, fig. 8, fig. 9 and fig. 10, the laser cutting portion 21 includes a support frame 211, an inverted U-shaped mounting seat 212, a rotating motor 213, an inverted U-shaped sliding seat 214, a U-shaped connecting member 215, a laser cutting head 216, an electric push rod 217, an angle adjusting assembly 218 for adjusting the cutting angle of the laser cutting head 216, and a heat dissipating assembly 219; the support frame 211 is fixedly arranged on the power part 22 and is parallel to the upper end surface of the base 1, and the support frame 211 can extend into the hexagonal pipe through the horizontal movement of the power part 22; the mounting seat 212 is fixedly mounted at one end of the support frame 211, which is far away from the power part 22, the rotating motor 213 is fixedly mounted on the inner wall of the upper end of the mounting seat 212, the output end of the rotating motor 213 is fixedly connected with the upper end face of the slide seat 214, the slide seat 214 can be driven to rotate in the horizontal direction, the connecting piece 215 is connected with one side, which is opposite to two vertical sections of the slide seat 214, in a sliding manner, the laser cutting head 216 is rotatably mounted between one sides, which are opposite to two vertical sections of the connecting piece 215, the cutting end of the laser cutting head 216 is arranged downwards, and the laser cutting head 216 extends to the inner side of the hexagonal pipe, so that when cutting is performed, generated scraps can be scattered to the outer peripheral side of the hexagonal pipe, and are prevented from being scattered on the inner wall of the hexagonal pipe; electric putter 217 fixed mounting is on the side end face of slide 214, electric putter 217's flexible end links to each other with connecting piece 215 upper end lateral surface, can promote connecting piece 215 horizontal slip on slide 214, the realization is to the horizontal position control of laser cutting head 216, in order to satisfy the groove of different diameters size, angle adjusting component 218 sets up on connecting piece 215, and angle adjusting component 218 is connected with laser cutting head 216, can be according to the angle of groove, adjust the angle of laser cutting head 216, radiator unit 219 sets up on mount pad 212.

Referring to fig. 4 and 7, the power unit 22 includes a driving motor 221, a lead screw 222 and a movable base 223, the driving motor 221 is fixedly installed at a side end of the base 1, the lead screw 222 is fixedly connected to an output end of the driving motor 221, a sliding groove is formed in an upper end surface of the base 1, one end of the lead screw 222, which is far away from the driving motor 221, is rotatably connected to an inner side wall of the sliding groove, a lower end of the movable base 223 is in threaded connection with an outer peripheral side of the lead screw 222, two opposite side end surfaces of the lower end of the movable base 223 are slidably connected to the sliding groove, the sliding groove can limit the movable base 223, when the lead screw 222 rotates, the movable base 223 rotates synchronously along with the lead screw 222, an upper end of the movable base 223 is vertically and fixedly connected to the support frame 211, and the support frame 211 horizontally extends into the hexagonal tube.

Referring to fig. 5 and 8, the angle adjusting assembly 218 includes two gear members 2181, an adjusting knob 2182 and an angle indicator 2183, the two gear members 2181 are engaged with each other up and down and rotatably mounted in any vertical section of the connecting member 215, two ends of one of the gear members 2181 are respectively fixedly connected to the outer peripheral side of the laser cutting head 216 and the angle indicator 2183, one end of the other gear member 2181 away from the laser cutting head 216 is fixedly connected to the adjusting knob 2182, one side of the connecting member 215 close to the adjusting knob 2182 is provided with an angle scale, and the angle indicator 2183 points to the angle scale.

Referring to fig. 5 and fig. 6, the heat dissipating assembly 219 includes a first bevel gear 2191, two second bevel gears 2192 and two fan blades 2193, the first bevel gear 2191 is fixedly mounted on the output end of the rotating motor 213, and the first bevel gear 2191 is located right above the sliding base 214; two second bevel gears 2192 are respectively symmetrical to rotate and are installed on the vertical section of the installation base 212, and two second bevel gears 2192 are all meshed with the first bevel gear 2191, two fan blades 2193 are respectively fixedly installed at one ends, far away from the first bevel gear 2191, of the two second bevel gears 2192, the installation base 212 is located between the two fan blades 2193, the blowing direction of the fan blades 2193 faces towards the port of the hexagonal pipe, the rotation is achieved through the rotating motor 213, the two fan blades 2193 can rotate, the heat inside the hexagonal pipe can be blown out outwards, heat exchange is carried out inside and outside the hexagonal pipe, and the temperature inside the hexagonal pipe is reduced.

Referring to fig. 2 and 4, the clamping mechanism 3 includes a protective cover 31, a driving motor 32, a clamping head 33 and two belt wheels 34, the protective cover 31 is fixedly installed at the side end of the base 1 and is disposed opposite to the laser cutting portion 21, the driving motor 32 is fixedly installed at the lower end of the protective cover 31, the clamping head 33 is rotatably installed at one side of the protective cover 31 close to the laser cutting portion 21, the two belt wheels 34 are respectively and fixedly installed at the output end of the driving motor 32 and the clamping head 33, and the two belt wheels 34 are located inside the protective cover 31; and two belt wheels 34 are connected by belt transmission, six contact heads which can synchronously move are uniformly arranged on the circumference of one end of the clamping head 33 far away from the protective cover 31, and the symmetric centers of the six contact heads coincide with the central axis of the setting direction of the support frame 211, so that the support frame 211 can be always in the central position when extending to the interior of the hexagonal pipe, and the hexagonal pipe can adapt to the hexagonal pipes with different sizes, an electric slider (not shown in the figure) is arranged in the clamping head 33, the six contact heads can be respectively controlled to synchronously move, and the hexagonal pipe can be effectively clamped and fixed by the six contact heads respectively contacting with six surfaces of the hexagonal pipe, because the clamping mechanism 3 clamps and fixes the hexagonal pipe on one side, in order to ensure the stability of the hexagonal pipe, the maximum length of the hexagonal pipe is smaller than the maximum distance between the clamping head 33 and the moving seat 223.

Please refer to fig. 2, fig. 6 and fig. 11 in combination, the bevel pipe laser cutting apparatus further includes a waste collecting mechanism 4, the waste collecting mechanism 4 includes a supporting slide 41, a collecting hopper 42, a cleaning scraper 43, two tension springs 44 and a push rod 45, two moving grooves are formed on the upper end surface of the base 1, the supporting slide 41 is connected between the two moving grooves in a sliding manner, the collecting hopper 42 is clamped on the supporting slide 41, the collecting hopper 4242 can be movably detached by clamping, the collecting hopper 42 is arranged below the hexagonal pipe and is mainly used for collecting chips generated during cutting, a chip anti-sticking coating is arranged on the inner side wall of the collecting hopper 42, the cleaning scraper 43 is slidably mounted between two opposite inner side walls of the collecting hopper 42 and can scrape the chips adsorbed on the inner side wall of the collecting hopper 42 by sliding the cleaning scraper 43, so as to facilitate centralized cleaning of the chips, the push rod 45 is fixedly mounted on one side of the moving seat 223 close to the supporting slide 41, and one end of the push rod 45 far from the moving seat 223 is attached to the side end surface of the collecting hopper 42, and the moving seat 223 can synchronously push the collecting hopper 42 to move by the moving seat 223, so as to synchronously push the collecting hopper 42 to realize synchronous adjustment of the collecting hopper 42; two tension springs 44 are connected between one end of the supporting sliding seat 41 close to the laser cutting part 21 and the moving groove, and mainly provide elastic support for the supporting sliding seat 41, when the supporting sliding seat 41 is close to the clamping mechanism 3, the tension springs 44 can be elongated, the opening of the collecting hopper 42 faces upwards, the center of the opening of the collecting hopper 42 coincides with the rotation center of the laser cutting head 216, the collecting hopper 42 can be ensured to collect scraps generated during cutting, the scraps are prevented from being scattered outside the collecting hopper 42, a discharging groove is formed in one side of the inner side wall of the collecting hopper 42 opposite to the cleaning scraper 43, the scraps can be discharged outwards through the discharging groove by horizontally sliding the cleaning scraper 43 on the collecting hopper 42.

The working principle of the groove pipe laser cutting equipment provided by the embodiment of the invention is as follows:

the method comprises the following steps: when the laser cutting head is used, the laser cutting head 216 is adjusted according to the angle of the circular groove, and when the angle is adjusted, the adjusting knob 2182 is manually rotated, so that the two gear pieces 2181 synchronously rotate and drive the laser cutting head 216 to rotate until the laser cutting head rotates to a required angle, and then the adjusting knob 2182 can be stopped rotating;

step two: then, the hexagonal tube is clamped and fixed by the clamping mechanism 3, so that one end of the hexagonal tube is connected with the clamping head 33 and is kept in a horizontal state, then, the screw rod 222 drives the moving seat 223 to move by driving the driving motor 221 to rotate in the forward direction, and the supporting frame 211 extends into the hexagonal tube along with the moving seat 223;

the push rod 45 synchronously moves along with the moving seat 223 and pushes the collecting hopper 42 to move towards the clamping mechanism 3, the supporting slide seat 41 synchronously moves along with the collecting hopper 42 and stretches the tension spring 44 until the laser cutting head 216 reaches a set cutting position, at the moment, the driving motor 221 stops rotating, then, the electric push rod 217 stretches, so that the connecting piece 215 horizontally slides on the slide seat 214, the laser cutting head 216 synchronously moves along with the connecting piece 215 until the laser cutting head 216 reaches a specified position, and the electric push rod 217 stops stretching;

step three: then, groove cutting is carried out on the lower end face of the hexagonal pipe, the rotating motor 213 rotates to drive the sliding seat 214 to synchronously and horizontally rotate, the laser cutting head 216 is started and rotates along with the sliding seat 214 to start cutting the lower end face of the hexagonal pipe, the first bevel gear 2191 synchronously rotates along with the rotating motor 213 and drives the two second bevel gears 2192 to rotate, the two fan blades 2193 can rotate, and the wind power generated by the fan blades 2193 can respectively blow out the heat inside the hexagonal pipe to the two ends of the hexagonal pipe, so that the internal temperature is prevented from being overhigh;

when the laser cutting head 216 cuts, the laser cutting head 216 is positioned at the inner side of the hexagonal pipe, so that the generated scraps directly fall to the lower part of the outer side of the hexagonal pipe and cannot be adsorbed at the inner side of the hexagonal pipe, and the redundant pipe directly falls downwards after the groove cutting is finished;

step four: the two belt wheels 34 can synchronously rotate by driving the motor 32 to rotate, the clamping head 33 rotates along with the belt wheels 34, the hexagonal pipe can rotate, the other side face of the hexagonal pipe rotates to the position of the lower end face, the third step is repeated to complete groove cutting on the side face, and the operation is repeated until all six hexagonal side faces are cut;

step five: subsequently, through driving motor 221 antiport, can drive cutting mechanism 2 and the inside separation of hexagon tubular product, dismantle the hexagon tubular product from holding head 33 again can.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A bevel pipe laser cutting apparatus comprising: the base (1) is characterized in that a cutting mechanism (2) for drilling a hexagonal pipe and a clamping mechanism (3) for horizontally clamping and fixing the hexagonal pipe are respectively arranged on the base (1), the cutting mechanism (2) comprises a laser cutting part (21) horizontally extending into the hexagonal pipe for laser cutting and a power part (22) for driving the laser cutting part (21) to horizontally move, the laser cutting part (21) is connected with the power part (22), and the power part (22) is arranged on the base (1);

the laser cutting part (21) comprises a support frame (211), an inverted U-shaped mounting seat (212), a rotating motor (213), an inverted U-shaped sliding seat (214), a U-shaped connecting piece (215), a laser cutting head (216), an electric push rod (217), an angle adjusting component (218) for adjusting the cutting angle of the laser cutting head (216) and a heat radiating component (219); the support frame (211) is fixedly arranged on the power part (22) and is parallel to the upper end surface of the base (1); the mounting seat (212) is fixedly mounted at one end, far away from the power part (22), of the supporting frame (211), the rotating motor (213) is fixedly mounted on the inner wall of the upper end of the mounting seat (212), the output end of the rotating motor (213) is fixedly connected with the upper end face of the sliding seat (214), the connecting piece (215) is in sliding connection with one side, opposite to two vertical sections of the sliding seat (214), the laser cutting head (216) is rotatably mounted between one side, opposite to two vertical sections of the connecting piece (215), and the cutting end of the laser cutting head (216) is arranged downwards; the electric push rod (217) is fixedly arranged on the side end face of the sliding seat (214), the telescopic end of the electric push rod (217) is connected with the outer side face of the upper end of the connecting piece (215), the angle adjusting assembly (218) is arranged on the connecting piece (215), the angle adjusting assembly (218) is connected with the laser cutting head (216), and the heat dissipation assembly (219) is arranged on the mounting seat (212);

angle adjusting part (218) include two gear spare (2181), adjust knob (2182) and angle pointer (2183), and meshing side by side about two gear spare (2181) is installed with rotating about the arbitrary vertical section of connecting piece (215), one of them the both ends of gear spare (2181) respectively with the periphery side fixed connection of laser cutting head (216) and angle pointer (2183) fixed connection, another gear spare (2181) are kept away from the one end of laser cutting head (216) with adjust knob (2182) fixed connection, connecting piece (215) are close to one side of adjust knob (2182) is equipped with the angle scale mark, angle pointer (2183) point to the angle scale mark.

2. The divided tube laser cutting device according to claim 1, wherein the power unit (22) comprises a driving motor (221), a screw rod (222) and a moving seat (223), the driving motor (221) is fixedly installed at a side end of the base (1), the screw rod (222) is fixedly connected with an output end of the driving motor (221), a chute is formed in an upper end face of the base (1), one end of the screw rod (222) far away from the driving motor (221) is rotatably connected with an inner side wall of the chute, a lower end of the moving seat (223) is in threaded connection with an outer peripheral side of the screw rod (222), two opposite side end faces of a lower end of the moving seat (223) are in sliding connection with the chute, and an upper end of the moving seat (223) is vertically and fixedly connected with the support frame (211).

3. The divided groove pipe laser cutting device according to claim 1, wherein the heat dissipation assembly (219) comprises a first bevel gear (2191), two second bevel gears (2192) and two fan blades (2193), the first bevel gear (2191) is fixedly sleeved at the output end of the rotating motor (213), the first bevel gear (2191) is located right above the sliding seat (214), the two second bevel gears (2192) are symmetrically and rotatably installed on the vertical sections of the installation seats (212) respectively, the two second bevel gears (2192) are meshed with the first bevel gear (2191), the two fan blades (2193) are fixedly installed at one ends of the two second bevel gears (2192) far away from the first bevel gear (2191), the two installation seats (212) are located between the two fan blades (2193), and the purging directions of the fan blades (2193) face the ports of hexagonal pipes.

4. The bevel pipe laser cutting equipment according to claim 1, wherein the clamping mechanism (3) comprises a protective cover (31), a driving motor (32), a clamping head (33) and two belt wheels (34), the protective cover (31) is fixedly installed at the side end of the base (1) and is arranged opposite to the laser cutting part (21), the driving motor (32) is fixedly installed at the lower end of the protective cover (31), the clamping head (33) is rotatably installed at one side of the protective cover (31) close to the laser cutting part (21), the two belt wheels (34) are respectively and fixedly installed at the output end of the driving motor (32) and the clamping head (33), and the two belt wheels (34) are located inside the protective cover (31); and the two belt wheels (34) are in transmission connection through a belt.

5. The divided edge tube laser cutting equipment according to claim 4, wherein six contact heads which move synchronously are uniformly arranged at one end of the clamping head (33) far away from the protective cover (31) in the circumferential direction, and the symmetric centers of the six contact heads are superposed with the central axis of the support frame (211) in the arrangement direction.

6. The divided tube laser cutting equipment according to claim 2, further comprising a waste collecting mechanism (4), wherein the waste collecting mechanism (4) comprises a supporting slide seat (41), a collecting hopper (42), a cleaning scraper (43), two tension springs (44) and a push rod (45), two moving grooves are formed in the upper end face of the base (1), the two moving grooves are connected with the supporting slide seat (41) in a sliding mode, the collecting hopper (42) is clamped on the supporting slide seat (41), the cleaning scraper (43) is installed between two opposite inner side walls of the collecting hopper (42) in a sliding mode, the two tension springs (44) are connected between one end, close to the laser cutting portion (21), of the supporting slide seat (41) and the moving grooves, the push rod (45) is fixedly installed on one side, close to the supporting slide seat (41), of the push rod (45) far away from the moving seat (223) and the side end face of the collecting hopper (42) are attached to each other.

7. The divided groove pipe laser cutting equipment according to claim 6, wherein the opening of the collecting hopper (42) faces upwards, the center of the opening of the collecting hopper (42) is coincided with the rotation center of the laser cutting head (216), and a discharge groove is formed in one side of the inner side wall of the collecting hopper (42) opposite to the cleaning scraper (43).