CN114226847A

CN114226847A - Opening cutting machine for metal stainless steel pipe fitting

Info

Publication number: CN114226847A
Application number: CN202210053857.4A
Authority: CN
Inventors: 王荣荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-03-25

Abstract

A metal stainless steel pipe opening cutting machine comprises a machine base, a top plate is fixedly arranged on the upper side of the machine base, a hydraulic pump is fixedly arranged on the upper end face of the top plate, a cutting disc is arranged at the lower end of the hydraulic pump, sliding grooves are formed in the left end of the machine base, clamping blocks are connected into each sliding groove in a sliding mode, a sliding cavity is formed in the lower side of the cutting cavity, a supporting plate capable of sliding up and down is arranged on the sliding cavity, a recovery cavity is formed in the rear end of the machine base, the recovery cavity extends upwards and is communicated with the cutting cavity, clamping is carried out through the supporting plate matched with the clamping blocks, burrs or openings are prevented from being generated, the steel pipe is clamped by the clamping block and is fixed by the rubber pad, so that the steel pipe is prevented from sliding, and the steel pipe clamped by the clamping block is driven to move rightwards, so that automatic clamping work is realized, the steel pipe can be kept to be flatly placed in the cutting cavity, and the influence of scrap iron on cutting is avoided.

Description

Opening cutting machine for metal stainless steel pipe fitting

Technical Field

The invention belongs to the technical field of pipe fitting openings, and particularly relates to a metal stainless steel pipe fitting opening cutting machine.

Background

Steel pipe refers to a steel material having a hollow cross section, the length of which is much greater than the diameter or circumference.

In the manufacturing process of the steel pipe structural member, according to production requirements, part of the steel pipes need to be opened at the middle part and opened at the two ends, the existing method is divided into manual cutting opening and machine opening, the manual opening method is to place the steel pipes on the ground, the size position is determined by a manual marking method, then the opening is cut by a manual handheld cutting machine, the cut by the method is rough, poor in precision, large in deformation and low in efficiency, the machine opening is cut by a special numerical control cutting machine, and the numerical control cutting machine is expensive and low in cost performance.

Disclosure of Invention

The invention aims to provide a metal stainless steel pipe fitting opening cutting machine which is used for overcoming the defects in the prior art.

The opening cutting machine for the metal stainless steel pipe fitting comprises a base, wherein a top plate is fixedly arranged on the upper side of the base, a hydraulic pump is fixedly arranged on the upper end surface of the top plate, the lower end of the hydraulic pump is connected with a hydraulic pipe, a cutting disc is arranged on the lower side of the hydraulic pipe, and a cutting cavity is formed in the base;

the left end of the machine base is provided with sliding chutes which are uniformly distributed in the circumferential direction, each sliding chute is internally connected with a clamping block in a sliding manner, and a rubber pad is arranged at the end, close to the cutting cavity, of each clamping block;

a sliding cavity is formed in the lower side of the cutting cavity, a supporting plate capable of sliding up and down is arranged on the sliding cavity, and the supporting plate is arranged in an arc shape;

the rear end of the machine base is provided with a recovery cavity, the recovery cavity extends upwards to be communicated with the cutting cavity, the front side and the rear side of the cutting cavity are provided with side cutting cavities which extend forwards and backwards and penetrate through the machine base, and the side cutting cavities are communicated with the cutting cavity;

and a snap ring is arranged on the front side of the machine base.

Preferably, an annular rotating cavity is formed in the right side of the sliding groove, a clamping motor is fixedly arranged in the upper side wall of the rotating cavity, two bevel gears which are symmetrical up and down are arranged in the rotating cavity in a rotating mode, the clamping motor is in power connection with the bevel gears located on the upper side, a rotating ring is rotatably connected to the peripheral wall of the rotating cavity, a spiral sliding groove is fixedly arranged on the left side of the rotating ring, a fluted disc is fixedly arranged on the rear side of the rotating ring, the fluted disc is low outside and high inside, the rotating ring is high outside and low inside, the fluted disc is meshed with the two bevel gears, a sliding block is fixedly arranged at the rear end of each clamping block, each sliding block is slidably connected with the spiral sliding groove, and the rotating ring and the left side of the cutting cavity are coaxially arranged.

Preferably, the front end face of the base is connected with a rotatable handle, the sliding cavity is internally provided with two threaded rods which are bilaterally symmetrical, two threaded blocks which are symmetrical front and back are arranged on the periphery of the threaded rods in a threaded fit mode, the two threaded blocks are close to each other and incline downwards, the two threaded blocks are connected through a transmission belt in a transmission mode, the threaded blocks are abutted to the abutting plate, the abutting plate and the sliding cavity are connected with a spring to be kept stable, and the handle is fixed to the threaded rod which is located on the left side.

Preferably, set up the hydraulic pressure chamber of opening downwards in the hydraulic pressure pipe, it is equipped with the hydraulic pressure piece to slide in the hydraulic pressure chamber, the hydraulic pressure chamber can with the hydraulic pump intercommunication, the cutting motor has set firmly in the hydraulic pressure piece, the lower extreme power of cutting motor is connected with the fixed block, the fixed block with through joint piece fixed connection between the cutting dish, set up the chamber that pushes away of opening downwards in the cutting dish, it is equipped with gliding push pedal from top to bottom to push away the intracavity, the push pedal with push away and be connected with two bilateral symmetry's automatically controlled springs between the chamber, the cutting tooth that circumference evenly distributed has set firmly on the lower terminal surface of cutting dish, the fixed block with the hydraulic pressure piece rotates to be connected.

Preferably, a sliding cavity and two sliding grooves which are symmetrical up and down are formed in the rear side wall of the cutting cavity, a triggering block and a detecting plate which can slide left and right are arranged in the sliding cavity and the sliding grooves respectively, a push spring is connected between the sliding cavity and the triggering block, a push spring is connected between the sliding groove and the detecting plate, a connecting block is fixedly arranged at the end, away from each other, of the detecting plate, a spring pressure sensor is arranged on the right side of the connecting block, the left end of the spring pressure sensor is abutted to the connecting block, the right end of the triggering block is connected with a pull rope, a rotatable steering wheel is arranged on the right side of the cutting cavity, the pull rope extends upwards and is connected with the steering wheel, the front end and the rear end of the triggering block incline rightwards, and the middle of the detecting plate is convexly arranged.

Preferably, the back cavity has been seted up on the back lateral wall in cutting chamber, it is connected with the dwang to return the intracavity rotation, the baffle has set firmly in the periphery of dwang, the lower extreme of baffle with it is connected with the torsional spring to return between the cavity, the upper end winding of dwang is connected with the connection rope, the right side in cutting chamber is equipped with the baffle that can rotate, connect the rope extend right with the directive wheel is connected.

Preferably, the push pump has set firmly on the preceding terminal surface of frame, the upper end power connection of push pump has the telescopic link, sliding connection has circumference evenly distributed's snap ring, adjacent two on the preceding terminal surface of frame equal sliding connection has curved connecting strip between the snap ring, the telescopic link with be located the downside snap ring fixed connection.

The invention has the beneficial effects that: according to the invention, the abutting plate is matched with the clamping block for clamping, so that burrs or different openings are prevented from occurring, the steel pipe is clamped by the clamping block, and is fixed by the rubber pad, so that the steel pipe is prevented from sliding, the steel pipe clamped by the clamping block is driven to move rightwards, the automatic clamping work is realized, and meanwhile, the steel pipe can be kept to be flatly placed in the cutting cavity without being influenced by cutting scrap iron.

Drawings

FIG. 1 is a schematic external view of a metal stainless steel pipe fitting opening cutting machine according to the present invention;

FIG. 2 is a schematic view of the overall structure of a metal stainless steel pipe fitting opening cutting machine according to the present invention;

FIG. 3 is an enlarged partial schematic view of A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged partial schematic view of B of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged partial schematic view of C of FIG. 2 in accordance with the present invention;

FIG. 6 is an enlarged partial schematic view of D of FIG. 2 in accordance with the present invention;

FIG. 7 is an enlarged partial schematic view of E-E of FIG. 6 in accordance with the present invention;

in the figure:

10. a machine base; 11. a top plate; 12. a hydraulic pump; 13. a hydraulic tube; 14. a hydraulic chamber; 15. a hydraulic block; 16. cutting the motor; 17. a fixed block; 18. a clamping block; 19. a steering wheel; 20. a cutting disk; 21. cutting teeth; 22. pushing the cavity; 23. pushing the plate; 24. an electrically controlled spring; 25. a baffle plate; 26. connecting ropes; 27. rotating the rod; 28. a torsion spring; 29. returning to the cavity; 30. a clamping block; 31. a rubber pad; 32. a slider; 33. a handle; 34. a spiral chute; 35. a rotating ring; 36. a fluted disc; 37. a bevel gear; 38. a chute; 39. a resisting plate; 40. a slide chamber; 41. a thread block; 42. a threaded rod; 43. a drive belt; 44. a clamping motor; 45. a lateral cutting cavity; 46. a trigger block; 47. a sliding cavity; 48. pushing a spring; 49. pulling a rope; 50. a sliding groove; 51. a thrust spring; 52. detecting a plate; 53. connecting blocks; 54. a spring pressure sensor; 55. a cutting cavity; 56. a rotating chamber; 57. a recovery chamber; 58. a connecting strip; 59. a snap ring; 60. a telescopic rod; 61. and (4) pushing the pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, the opening cutting machine for metal stainless steel pipes according to the embodiment of the present invention includes a machine base 10, a top plate 11 is fixedly disposed on an upper side of the machine base 10, a hydraulic pump 12 is fixedly disposed on an upper end surface of the top plate 11, a hydraulic pipe 13 is connected to a lower end of the hydraulic pump 12, a cutting disc 20 is disposed on a lower side of the hydraulic pipe 13, and a cutting cavity 55 is disposed in the machine base 10;

the left end of the machine base 10 is provided with sliding grooves 38 which are uniformly distributed in the circumferential direction, each sliding groove 38 is internally and slidably connected with a clamping block 30, and a rubber pad 31 is arranged at the end, close to the cutting cavity 55, of each clamping block 30;

a sliding cavity 40 is formed in the lower side of the cutting cavity 55, a supporting plate 39 capable of sliding up and down is arranged on the sliding cavity 40, and the supporting plate 39 is arranged in an arc shape;

a recovery cavity 57 is formed in the rear end of the machine base 10, the recovery cavity 57 extends upwards to be communicated with the cutting cavity 55, side cutting cavities 45 extending forwards and backwards and penetrating through the machine base 10 are formed in the front side and the rear side of the cutting cavity 55, and the side cutting cavities 45 are communicated with the cutting cavity 55;

a snap ring 59 is provided at the front side of the housing 10.

Optionally, an annular rotating cavity 56 is formed in the right side of the sliding groove 38, a clamping motor 44 is fixedly arranged in the upper side wall of the rotating cavity 56, two bevel gears 37 which are symmetrical up and down are rotatably arranged in the rotating cavity 56, the clamping motor 44 is in power connection with the bevel gear 37 which is positioned on the upper side, a rotating ring 35 is rotatably connected to the peripheral wall of the rotating cavity 56, a spiral sliding groove 34 is fixedly arranged on the left side of the rotating ring 35, a fluted disc 36 is fixedly arranged on the rear side of the rotating ring 35, the fluted disc 36 is low in outside and high in inside, the rotating ring 35 is high in outside and low in inside, the fluted disc 36 is meshed with the two bevel gears 37, a sliding block 32 is fixedly arranged at the rear end of each clamping block 30, each sliding block 32 is in sliding connection with the spiral sliding groove 34, and the rotating ring 35 and the left side of the cutting cavity 55 are coaxially arranged;

a user puts a steel pipe into the front end of the cutting chamber 55, and the holding motor 44 operates to rotate the bevel gear 37 located at the upper side, so as to move the fluted disc 36 engaged with the bevel gear 37, and under the positioning of the rotating ring 35, the fluted disc 36 rotates around the axis of the cutting chamber 55, and the bevel gear 37 and the rotating ring 35 located at the lower side are both used for keeping the holding operation running stably, and the spiral chute 34 is driven to rotate in the rotating chamber 56 by the fixed connection of the rotating ring 35, and each slider 32 slides in the direction corresponding to the chute 38 by the sliding connection between the spiral chute 34 and the slider 32, and at the same time, the slider 32 slidably connected with the spiral chute 34 moves rightwards by the inclined arrangement of the spiral chute 34, and holds the steel pipe by the holding block 30, the rubber pad 31 fixes the steel pipe to prevent the steel pipe from sliding, and the right movement of the clamping block 30 drives the steel pipe clamped by the clamping block 30 to move right to keep subsequent opening cutting work.

Optionally, a rotatable handle 33 is connected to the front end surface of the base 10, two bilaterally symmetrical threaded rods 42 are rotatably arranged in the sliding cavity 40, two front and back symmetrical threaded blocks 41 are in threaded fit on the peripheries of the two threaded rods 42, the ends, close to each other, of the two threaded blocks 41 incline downwards, the two threaded blocks 41 are in transmission connection through a transmission belt 43, the threaded blocks 41 abut against the abutting plate 39, a spring is connected between the abutting plate 39 and the sliding cavity 40 to keep stable, and the handle 33 is fixed to the threaded rod 42 on the left side;

the user is through rotatory handle 33, drive with handle 33 is fixed be located the left threaded rod 42 is rotatory drive belt 43's transmission is down, make two threaded rod 42 syntropy is rotatory, through threaded rod 42 with screw-thread fit between screw thread piece 41 drives both sides around the screw thread piece 41 is close to each other or is kept away from, and then passes through screw thread piece 41 with the inclined plane control of butt between the resisting board 39 the reciprocating of resisting board 39, through paralysed keeps the stability of resisting board 39 makes resisting board 39 is in reciprocate in the sliding chamber 40, makes resisting board 39 hug closely and put steel pipe in the cutting chamber 55, the cooperation clamping block 30 makes the steel pipe level place in the cutting chamber 55, prevent that deckle edge or opening condition not uniform from appearing and taking place.

Optionally, a downward-opened hydraulic cavity 14 is formed in the hydraulic pipe 13, a hydraulic block 15 is slidably disposed in the hydraulic cavity 14, the hydraulic cavity 14 can be communicated with the hydraulic pump 12, a cutting motor 16 is fixedly disposed in the hydraulic block 15, a fixed block 17 is connected to the lower end of the cutting motor 16 in a power manner, the fixed block 17 is fixedly connected to the cutting disc 20 through a clamping block 18, a downward-opened pushing cavity 22 is formed in the cutting disc 20, a pushing plate 23 capable of sliding up and down is disposed in the pushing cavity 22, two bilateral-symmetric electric control springs 24 are connected between the pushing plate 23 and the pushing cavity 22, cutting teeth 21 uniformly distributed in the circumferential direction are fixedly disposed on the lower end surface of the cutting disc 20, and the fixed block 17 is rotatably connected to the hydraulic block 15;

the hydraulic pump 12 is operated to charge hydraulic pressure to the upper end of the hydraulic block 15, the hydraulic block 15 is pushed by the hydraulic pressure to slide downwards along the hydraulic cavity 14, the cutting disc 20 connected with the hydraulic block 15 is driven to move downwards and enter the cutting cavity 55 from the upper side of the cutting cavity 55, the cutting motor 16 is operated to drive the fixed block 17 to rotate, and then the cutting disc 20 clamped with the clamping block 18 is driven to rotate by the fixing block 17, the steel pipe is cut and opened under the action of the cutting teeth 21, a user changes the radius of the cutting disc 20 by detaching and replacing the clamping block 18, and then the opening size of the steel pipe is changed, and the steel pipe cutting blade which is possibly clamped between the cutting teeth 21 is pushed downwards to enter the recycling cavity 57 through the push plate 23 and the electric control spring 24.

Optionally, a sliding cavity 47 and two sliding grooves 50 which are symmetrical up and down are formed on the rear side wall of the cutting cavity 55, a trigger block 46 and a detection plate 52 which can slide left and right are respectively arranged in the sliding cavity 47 and the sliding groove 50, a push spring 48 is connected between the sliding cavity 47 and the trigger block 46, a push spring 51 is connected between the sliding groove 50 and the detection plates 52, connecting blocks 53 are fixedly arranged at the ends of the two detection plates 52 which are far away from each other, a spring pressure sensor 54 is arranged at the right side of each connecting block 53, the left end of the spring pressure sensor 54 is abutted against the connecting block 53, the right end of the trigger block 46 is connected with a pull rope 49, the right side of the cutting cavity 55 is provided with a steering wheel 19 which can rotate, the pull rope 49 extends upwards to be connected with the steering wheel 19, the front end and the rear end of the trigger block 46 incline rightwards, and the middle of the detection plate 52 is arranged in a protruding mode;

the steel pipe is clamped by the clamping block 30 to move rightwards, abuts against the left end face of the trigger block 46, overcomes the spring force of the push spring 48, moves rightwards, enables the pull rope 49 to lose the spring tension of the push spring 48, enables the pull rope 49 to be loosened, cancels the fixing effect on the steering wheel 19, moves rightwards, abuts against the detection plate 52, applies pressure to the detection plate 52, detects the pushing force from the steel pipe on the upper detection plate 52 and the lower detection plate 52 through the two spring pressure sensors 54 which are arranged up and down, judges whether the steel pipe is horizontally placed or not through the pressure values detected by the two spring pressure sensors 54, and accordingly adjusts the up and down movement of the abutting plate 39 through the handle 33.

Optionally, a return cavity 29 is formed in the rear side wall of the cutting cavity 55, a rotating rod 27 is rotatably connected in the return cavity 29, a baffle 25 is fixedly arranged on the periphery of the rotating rod 27, a torsion spring 28 is connected between the lower end of the baffle 25 and the return cavity 29, a connecting rope 26 is wound and connected at the upper end of the rotating rod 27, the rotatable baffle 25 is arranged on the right side of the cutting cavity 55, and the connecting rope 26 extends rightwards to be connected with the steering wheel 19;

the state of the steering wheel 19 is controlled by the pull rope 49, and when the baffle 25 is loosened, the rotating rod 27 rotates under the torsion of the torsion spring 28, so that the baffle 25 is not closed to the upper side of the cutting cavity 55.

Optionally, a push pump 61 is fixedly arranged on the front end surface of the machine base 10, an expansion link 60 is dynamically connected to the upper end of the push pump 61, snap rings 59 which are uniformly distributed in the circumferential direction are slidably connected to the front end surface of the machine base 10, an arc-shaped connecting strip 58 is slidably connected between every two adjacent snap rings 59, and the expansion link 60 is fixedly connected to the snap ring 59 located on the lower side;

when the middle part of the steel pipe is opened, the steel pipe is placed into the side cutting cavity 45, the push pump 61 works to push the telescopic rod 60 to extend upwards to enable the clamping ring 59 to slide on the front end face of the machine base 10, the clamping rings 59 are circumferentially distributed under the connection of the connecting strip 58 and are close to each other, the steel pipe is clamped through the clamping rings 59, the steel pipe enters the cutting cavity 55 to enable the extrusion to be located on the right side, the trigger block 46 and the detection plate 52 are in the same way, the flatness detection and the opening of the upper end opening of the cutting cavity 55 are carried out, and the cutting disc 20 is enabled to move in detail and be subjected to memorial cutting.

The invention relates to a metal stainless steel pipe opening cutting machine, which comprises the following working procedures:

the user puts the steel pipe into the front end of the cutting cavity 55, works through the clamping motor 44, drives the bevel gear 37 positioned at the upper side to rotate, thereby making the fluted disc 36 meshed with the bevel gear 37 move, under the positioning of the rotating ring 35, the fluted disc 36 rotates around the axis of the cutting cavity 55, the bevel gear 37 and the rotating ring 35 positioned at the lower side are both used for keeping the clamping work to stably run, the spiral chute 34 is driven to rotate in the rotating cavity 56 through the fixed connection of the rotating ring 35, each slide block 32 slides along the direction corresponding to the chute 38 through the sliding connection between the spiral chute 34 and the slide block 32, meanwhile, the slide block 32 in sliding connection with the spiral chute 34 moves rightwards through the inclined arrangement of the spiral chute 34, the steel pipe is clamped through the clamping block 30, and the steel pipe is fixed through the rubber pad 31, thereby preventing the steel pipe from sliding, and the steel pipe moves rightwards through the clamping block 30, the steel pipe clamped by the clamping block 30 is driven to move rightwards, and the subsequent opening cutting work is kept.

The user is through rotatory handle 33, it is rotatory to drive the threaded rod 42 that is located left fixed with handle 33, under the transmission of driving belt 43, make two threaded rods 42 syntropy rotatory, screw-thread fit between threaded rod 42 and screw block 41, screw block 41 of both sides is close to each other or is kept away from around driving, and then through screw block 41 and the inclined plane control of butt between resisting board 39 support board 39 reciprocate of 39, keep the stability of resisting board 39 through paralysis, make and support board 39 reciprocate in sliding chamber 40, make and support the steel pipe of putting into cutting chamber 55 closely of board 39, cooperation grip block 30, make the steel pipe level place in cutting chamber 55, prevent that deckle edge or the condition that the opening differs from taking place.

Through the work of hydraulic pump 12, fill hydraulic pressure into the upper end of hydraulic block 15, promote hydraulic block 15 through hydraulic pressure and slide downwards along hydraulic pressure chamber 14, drive the cutting dish 20 of being connected with hydraulic block 15 and move downwards, get into in the cutting chamber 55 from the upside of cutting chamber 55, work through cutting motor 16, it is rotatory to drive fixed block 17, and then it is rotatory with the cutting dish 20 of joint piece 18 joint to drive through fixed block 17, cut the opening to the steel pipe under the effect of cutting teeth 21, the user changes joint piece 18 through dismantling, change the radius size of cutting dish 20, and then change the opening size of steel pipe, through push pedal 23 and automatically controlled spring 24, promote the steel pipe cutting piece that probably the inlay card is between cutting teeth 21 and get into recovery chamber 57 department downwards.

The steel pipe is clamped by the clamping block 30 to move rightwards, abuts against the left end face of the trigger block 46, overcomes the spring force of the push spring 48, moves rightwards, enables the pull rope 49 to lose the spring tension of the push spring 48, enables the pull rope 49 to be loosened, cancels the fixing effect on the steering wheel 19, moves rightwards to abut against the detection plate 52, applies pressure to the detection plate 52, detects the pushing force from the steel pipe on the upper detection plate 52 and the lower detection plate 52 through the two spring pressure sensors 54 which are arranged up and down, judges whether the steel pipe is horizontally placed or not through the pressure values detected by the two spring pressure sensors 54, and accordingly adjusts the up and down movement of the abutting plate 39 through the handle 33.

The state of the steering wheel 19 is controlled by the pull rope 49, and when the flap 25 is released, the rotating lever 27 is rotated by the torsion force of the torsion spring 28, so that the flap 25 is released from closing the upper side of the cutting chamber 55.

When the middle part of the steel pipe is opened, the steel pipe is placed into the side cutting cavity 45, the push pump 61 works to push the telescopic rod 60 to extend upwards, the clamping ring 59 slides on the front end face of the machine base 10, the clamping rings 59 distributed in the circumferential direction are close to each other under the connection of the connecting strip 58, the steel pipe is clamped through the clamping ring 59, the steel pipe enters the cutting cavity 55 to extrude the trigger block 46 and the detection plate 52 which are located on the right side, and in the same way, the flatness detection and the opening of the upper end opening of the cutting cavity 55 are carried out, so that the cutting disc 20 moves in detail, and the cutting is recorded.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a metal stainless steel pipe fitting opening cutting machine, includes frame (10), its characterized in that: a top plate (11) is fixedly arranged on the upper side of the machine base (10), a hydraulic pump (12) is fixedly arranged on the upper end face of the top plate (11), a hydraulic pipe (13) is connected to the lower end of the hydraulic pump (12), a cutting disc (20) is arranged on the lower side of the hydraulic pipe (13), and a cutting cavity (55) is formed in the machine base (10);

the left end of the machine base (10) is provided with sliding grooves (38) which are uniformly distributed in the circumferential direction, each sliding groove (38) is internally connected with a clamping block (30) in a sliding manner, and a rubber pad (31) is arranged at the end, close to the cutting cavity (55), of each clamping block (30);

a sliding cavity (40) is formed in the lower side of the cutting cavity (55), a supporting plate (39) capable of sliding up and down is arranged on the sliding cavity (40), and the supporting plate (39) is arranged in an arc shape;

a recovery cavity (57) is formed in the rear end of the machine base (10), the recovery cavity (57) extends upwards to be communicated with the cutting cavity (55), side cutting cavities (45) extending through the machine base (10) from front to back are formed in the front side and the rear side of the cutting cavity (55), and the side cutting cavities (45) are communicated with the cutting cavity (55);

the front side of the machine base (10) is provided with a snap ring (59).

2. The metal stainless steel pipe fitting opening cutting machine according to claim 1, wherein: an annular rotating cavity (56) is formed in the right side of the sliding groove (38), a clamping motor (44) is fixedly arranged in the upper side wall of the rotating cavity (56), two bevel gears (37) which are symmetrical up and down are rotationally arranged in the rotating cavity (56), the clamping motor (44) is in power connection with the bevel gears (37) which are positioned on the upper side, a rotating ring (35) is rotationally connected to the peripheral wall of the rotating cavity (56), a spiral sliding groove (34) is fixedly arranged on the left side of the rotating ring (35), a toothed disc (36) is fixedly arranged on the rear side of the rotating ring (35), the toothed disc (36) is low in outside and high in inside, the rotating ring (35) is high in outside and low in inside, the toothed disc (36) is meshed with the two bevel gears (37), a sliding block (32) is fixedly arranged at the rear end of each clamping block (30), and each sliding block (32) is in sliding connection with the spiral sliding groove (34), the rotating ring (35) is coaxially arranged with the left side of the cutting cavity (55).

3. The metal stainless steel pipe fitting opening cutting machine according to claim 1, wherein: be connected with on the preceding terminal surface of frame (10) can pivoted handle (33), it is equipped with two bilateral symmetry's threaded rod (42) to slide chamber (40) internal rotation, two equal screw-thread fit has two screw thread blocks (41) of symmetry around, two in the periphery of threaded rod (42) screw thread blocks (41) are close to the end downward sloping each other, two connect through driving belt (43) transmission between screw thread block (41), screw thread block (41) butt support board (39), support board (39) with it keeps stable to be connected with the spring between sliding chamber (40), handle (33) with be located left threaded rod (42) are fixed.

4. The metal stainless steel pipe fitting opening cutting machine according to claim 1, wherein: a downward opened hydraulic cavity (14) is arranged in the hydraulic pipe (13), a hydraulic block (15) is arranged in the hydraulic cavity (14) in a sliding way, the hydraulic cavity (14) can be communicated with the hydraulic pump (12), a cutting motor (16) is fixedly arranged in the hydraulic block (15), the lower end of the cutting motor (16) is in power connection with a fixed block (17), the fixed block (17) is fixedly connected with the cutting disc (20) through a clamping block (18), a pushing cavity (22) which is opened downwards is arranged in the cutting disc (20), a pushing plate (23) which can slide up and down is arranged in the pushing cavity (22), two electric control springs (24) which are symmetrical left and right are connected between the push plate (23) and the push cavity (22), cutting teeth (21) which are uniformly distributed in the circumferential direction are fixedly arranged on the lower end face of the cutting disc (20), and the fixed block (17) is rotationally connected with the hydraulic block (15).

5. The metal stainless steel pipe fitting opening cutting machine according to claim 1, wherein: a sliding cavity (47) and two sliding grooves (50) which are symmetrical up and down are formed in the rear side wall of the cutting cavity (55), a triggering block (46) and a detecting plate (52) which can slide left and right are respectively arranged in the sliding cavity (47) and the sliding grooves (50), a push spring (48) is connected between the sliding cavity (47) and the triggering block (46), a push spring (51) is connected between the sliding groove (50) and the detecting plate (52), connecting blocks (53) are fixedly arranged at the ends of the two detecting plates (52) far away from each other, spring pressure sensors (54) are respectively arranged at the right sides of the two connecting blocks (53), the left ends of the spring pressure sensors (54) are abutted against the connecting blocks (53), a pull rope (49) is connected at the right end of the triggering block (46), and a steering wheel (19) which can rotate is arranged at the right side of the cutting cavity (55), the pull rope (49) extends upwards to be connected with the steering wheel (19), the front end and the rear end of the trigger block (46) incline rightwards, and the middle of the detection plate (52) is arranged in a protruding mode.

6. The metal stainless steel pipe fitting opening cutting machine according to claim 5, wherein: seted up back chamber (29) on the back lateral wall of cutting chamber (55), it is connected with dwang (27) to return chamber (29) internal rotation, baffle (25) have set firmly on the periphery of dwang (27), the lower extreme of baffle (25) with it is connected with torsional spring (28) to return between chamber (29), the upper end winding of dwang (27) is connected with and connects rope (26), the right side of cutting chamber (55) is equipped with baffle (25) that can rotate, connect rope (26) extend right with directive wheel (19) are connected.

7. The metal stainless steel pipe fitting opening cutting machine according to claim 1, wherein: the utility model discloses a motor frame, including frame (10), push pump (61) has set firmly on the preceding terminal surface of frame (10), the upper end power connection of push pump (61) has telescopic link (60), sliding connection has circumference evenly distributed's snap ring (59) on the preceding terminal surface of frame (10), adjacent two equal sliding connection has curved connecting strip (58) between snap ring (59), telescopic link (60) with be located the downside snap ring (59) fixed connection.