High-precision welded pipe orifice cutting device with precise clamping structure

Abstract

The high-precision welded pipe orifice cutting device with the precise clamping structure comprises a cutting table, clamping mechanisms are symmetrically arranged on the two sides of the middle of the upper end of the cutting table, each clamping mechanism comprises a placing frame, mounting legs, a driving assembly and an electromagnetic clamping base, and the mounting legs are symmetrically arranged at the lower end of each placing frame; a driving assembly is arranged on the inner side of the placing frame, and the two sides of the upper end of the driving assembly are connected with the correspondingly-arranged electromagnetic clamping bases. According to the high-precision welded pipe orifice cutting device with the precise clamping structure, the bottom of a welded pipe is magnetically connected with an electromagnetic block arranged at the upper end of a placing base, then a first electric telescopic rod extends, so that a first connecting rod drives a second connecting rod to move, and a pushing seat pushes an electromagnetic clamping seat to clamp the two sides of the welded pipe; and meanwhile, a fourth connecting rod pulls a third connecting rod, so that a sliding sleeve moves downwards on a vertical column, manual operation is not needed, welding pipes with different sizes and diameters can be clamped, and the use practicability is improved.

Description

Technical Field

[0001] The invention relates to the technical field related to high-precision welded pipe processing, and in particular to a high-precision welded pipe orifice cutting device with a precise clamping structure. Background Art

[0002] High-precision welded pipe is a high-precision, high-brightness seamless steel pipe produced by cold drawing or cold rolling. In the production process of high-precision welded pipe, the pipe ends at both ends of the welded pipe need to be cut and burred by a cutting device to ensure smooth and safe use of the pipe ends.

[0003] After searching, it was found that the typical processing device in the prior art is such as the publication number CN206484102U, a pipe mouth processing structure of a pipe fitting, including a screw, a slide seat, a movable bearing seat, a motor, a fastening nut, an internal threaded sleeve, an external threaded rod, a tool fixing sleeve, an upper pressure plate, a lower pressure plate and a welding nut. The upper end of the slide seat is provided with a movable bearing seat, the movable bearing seat is installed on the screw, and the upper end of the movable bearing seat is provided with a motor. This design realizes the cutting work, the fastening nut is symmetrically installed at the upper and lower ends of the internal threaded sleeve, the internal threaded sleeve is assembled on the external threaded rod, and the left lower end of the internal threaded sleeve is provided with a tool fixing sleeve. This design can adjust the upper and lower positions of the tool, and the lower end of the upper pressure plate is provided with a lower pressure plate. The welding nuts are respectively welded to the upper front end of the upper pressure plate and the lower front end of the lower pressure plate. This design can clamp the pipe fitting.

[0004] In summary, when the existing device is used, the welded pipe needs to be clamped and fixed manually, which is cumbersome to operate, and can only be clamped for welded pipes of the same diameter, reducing the practicality of use. At the same time, during processing, only one end of the welded pipe can be processed to remove burrs, resulting in the need to disassemble and flip the welded pipe and then re-clamp and fix it when processing the other end of the pipe. The operation is complicated and reduces the processing efficiency. In view of the above problems, it is necessary to improve the existing equipment. Summary of the invention

[0005] The purpose of the present invention is to provide a high-precision welded pipe mouth cutting device with a precise clamping structure to solve the problem that the existing device proposed in the above background technology needs to manually clamp and fix the welded pipe when in use, which is cumbersome to operate, and can only clamp welded pipes of the same diameter, reducing the practicality of use. At the same time, during processing, only the pipe mouth at one end of the welded pipe can be processed to remove burrs, resulting in the need to disassemble and flip the welded pipe and then re-clamp and fix it when processing the pipe mouth at the other end, which is complicated to operate and reduces the processing efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-precision welded pipe orifice cutting device with a precise clamping structure, comprising a cutting table,

[0007] The cutting table is arranged at the upper end of the supporting bottom frame, and a bidirectional motor is installed on the inner side of the middle of the cutting table, and both ends of the bidirectional motor are connected to the movable base through corresponding screw rods, and the two movable bases are respectively located in the slide grooves symmetrically opened on both sides of the upper end of the cutting table, and the upper ends of the two movable bases are symmetrically arranged with cutting mechanisms, and the clamping mechanisms are symmetrically arranged on both sides of the middle of the upper end of the cutting table, and the clamping mechanism includes a placing frame, mounting legs, a driving assembly and an electromagnetic clamping seat, and the mounting legs are symmetrically arranged at the lower end of the placing frame, and the mounting legs are connected to the cutting table through fixing bolts, and a driving assembly is arranged on the inner side of the placing frame, and the two sides of the upper end of the driving assembly are connected with the corresponding electromagnetic clamping seats, and the bottoms of the two electromagnetic clamping seats are slidably connected with the positioning side seats correspondingly set at the upper end of the placing frame, and the two electromagnetic clamping seats are located on both sides of the placing cavity opened in the middle of the upper end of the placing frame.

[0008] Preferably, support rods are symmetrically arranged on the upper ends of both sides of the supporting bottom frame, and the tops of the support rods are connected to the lower end of the mounting top plate, and a liquid storage tank is arranged on one side of the inner front side of the supporting bottom frame, an infusion tube is arranged on one side of the liquid storage tank, and an infusion pump is arranged on the infusion tube, and the other end of the infusion tube is connected to one side of the liquid guide tube, and both sides of the liquid guide tube are connected to the lower end of the mounting top plate through a mounting frame, and injection heads are symmetrically arranged on both sides of the liquid guide tube, and the two injection heads are respectively located above the corresponding cutting mechanisms.

[0009] Preferably, the driving assembly includes a first electric telescopic rod, a first connecting rod, a positioning shaft, a second connecting rod and a pushing seat, the first electric telescopic rod is connected to the middle of the inner lower end of the placement frame through a positioning sleeve, and the two ends of the first electric telescopic rod are respectively rotatably connected to the corresponding lower ends of the first connecting rod, and at the same time, the upper ends of the two first connecting rods are connected to the inner upper end of the placement frame through the positioning shaft, the other ends of the two first connecting rods are rotatably connected to one end of the corresponding second connecting rods, and the other ends of the two second connecting rods are rotatably connected to the middle of the outer side of the pushing seat, and at the same time, the bottom of the lower end of the pushing seat is slidably connected to the sliding groove opened at the upper end of the corresponding positioning side seat through a slider.

[0010] Preferably, a placing base is provided at the lower end of the placing cavity, and both sides of the lower end of the placing base are connected to opposite sides of the two positioning side seats, and an electromagnetic block is provided in the middle of the inner side of the upper end of the placing base, a vertical column is provided in the middle of the lower end of the placing base, and a sliding sleeve is slidably connected to the outer side of the vertical column, and both sides of the sliding sleeve are connected to one end of the fourth connecting rod through the third connecting rod, and the other end of the fourth connecting rod is connected to the first connecting rod.

[0011] Preferably, a liquid receiving bucket is provided on the outer side of the lower end of the clamping mechanism, and the liquid receiving bucket is made of elastic rubber. At the same time, the side of the liquid receiving bucket is located below the clamping mechanism and the cutting mechanism, and the middle lower end of the liquid receiving bucket is connected to the filter assembly through a slag discharge pipe.

[0012] Preferably, the filter assembly includes a filter box, and the filter box is located on the other side of the front interior of the supporting bottom frame, and the upper end of one side of the filter box is connected to the other end of the slag discharge pipe. A collecting bag is provided inside the filter box near the side of the slag discharge pipe, and a sealing door is provided at the upper end of the front of the filter box. The lower end of one side of the filter box is connected to the lower end of one side of the liquid storage tank through a reflux pipe, and a reflux pump is installed on the reflux pipe.

[0013] Preferably, the cutting mechanism includes a support frame, and the support frame is connected to the upper end of the movable base through a second electric telescopic rod. At the same time, a mounting plate is installed in the middle of the upper end of the support frame. A driving motor is arranged on the outer side of the mounting plate, and the output end of the driving motor passes through the mounting plate and is connected to the connecting shaft. At the same time, the other end of the connecting shaft is detachably connected to the cutting knife.

[0014] Preferably, a push rod is symmetrically arranged on one side of the support frame close to the liquid receiving bucket, and the push rod is an L-shaped structure, and the other end of the push rod is connected to the side of the liquid receiving bucket.

[0015] Compared with the prior art, the invention has the following beneficial effects: the high-precision welded pipe orifice cutting device with a precise clamping structure is

[0016] (1) In order to solve the problem that the existing device needs to manually clamp and fix the welded pipe when in use, which is cumbersome to operate and can only clamp welded pipes of the same diameter, reducing the practicality of use, the present application is provided with a clamping mechanism, which connects the bottom of the welded pipe with the electromagnetic block provided at the upper end of the placement base by magnetic connection, and then extends the first electric telescopic rod, so that the first connecting rod drives the second connecting rod to move, so that the pushing seat pushes the electromagnetic clamping seat to clamp the two sides of the welded pipe, and at the same time the fourth connecting rod pulls the third connecting rod, so that the sliding sleeve moves downward on the vertical column, thereby eliminating the need for manual operation, and can clamp welded pipes of different diameters, thereby improving the practicality of use;

[0017] (2) In order to solve the problem that the existing device can only process and remove burrs from the pipe end of the welded pipe during processing, which results in the need to disassemble and flip the welded pipe and then re-clamp and fix it when processing the other end of the pipe, which is complicated and reduces the processing efficiency. The present application drives the screw to rotate by a bidirectional motor, so that the two movable bases synchronously drive the corresponding cutting mechanisms to move, so that the two cutting mechanisms are in contact with the pipe end of the welded pipe, so that the pipe ends of the welded pipe can be cut at the same time to remove burrs and improve the processing efficiency.

[0018] (3) In order to solve the problem that the existing device does not cool and lubricate the cutting position during processing, which not only reduces the processing quality but also shortens the service life of the cutting tool, the present application sets an infusion pump to transport the cutting fluid inside the liquid storage tank to the liquid guide tube through the infusion tube, and then sprays it out from the injection head to cool and lubricate the cutting position. The used cutting fluid is collected in the liquid receiving bucket and then transported to the filter box through the slag discharge pipe for filtration, so that it can be transported to the liquid storage tank through the reflux pipe and the reflux pump for reuse, thereby improving the processing quality and the utilization rate of the cutting fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the present invention;

[0020] Figure 2 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0021] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0023] Figure 5 It is a schematic diagram of the side cross-sectional structure of the clamping mechanism of the present invention;

[0024] Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle;

[0025] Figure 7 It is a schematic diagram of the side structure of the clamping mechanism of the present invention.

[0026] In the figure: 1, cutting table; 101, bidirectional motor; 102, screw; 103, moving base; 2, supporting bottom frame; 3, clamping mechanism; 301, placing frame; 302, mounting leg; 303, first electric telescopic rod; 304, positioning sleeve; 305, first connecting rod; 306, positioning shaft; 307, second connecting rod; 308, pushing seat; 309, electromagnetic clamp seat; 310, positioning side seat; 311, placing cavity; 312, placing base; 313, electromagnetic block; 314, vertical column; 315, sliding sleeve; 316, vertical column; 317, vertical column; 318, vertical column; 319, vertical column; 320, vertical column; 321, vertical column; 322, vertical column; 323, vertical column; 324, vertical column; 325, vertical column; 326, vertical column; 327, vertical column; 328, vertical column; 329, vertical column; 330, vertical column; 331, vertical column; 332, vertical column; 333, vertical column; 334, vertical column; 335, vertical column; 336, vertical column; 337, vertical column; 338, vertical column; 339, vertical column; 340, vertical column; 341, vertical column; 342, vertical column; 343, vertical column; 344, vertical column; 345, vertical column; 346, vertical column; 347, vertical column; 348, vertical column; 349, vertical column; 349, vertical column; 340, vertical column; 341, vertical column; 342, vertical column; 343, vertical column; 344, vertical column; 345, vertical column; 346, vertical column; 6. The third connecting rod; 317. The fourth connecting rod; 4. The liquid receiving bucket; 5. The cutting mechanism; 501. The support frame; 502. The second electric telescopic rod; 503. The mounting plate; 504. The driving motor; 505. The connecting shaft; 506. The cutting blade; 507. The pushing rod; 6. The support rod; 7. The mounting top plate; 8. The liquid storage tank; 9. The filter tank; 901. The sealing door; 10. The infusion tube; 11. The infusion pump; 12. The liquid guiding tube; 13. The mounting frame; 14. The injection head; 15. The slag discharge pipe; 16. The reflux pipe; 17. The reflux pump. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-7 The present invention provides a technical solution: a high-precision welded pipe mouth cutting device with a precise clamping structure, according to Figure 1 , Figure 2 and Figure 4As shown, the cutting table 1 is arranged at the upper end of the supporting bottom frame 2, and a bidirectional motor 101 is installed on the inner side of the middle of the cutting table 1. At the same time, both ends of the bidirectional motor 101 are connected to the movable base 103 through corresponding screw rods 102. The screw rod 102 is driven to rotate by the bidirectional motor 101, so that the movable base 103 drives the cutting mechanism 5 to move horizontally, so that the cutting knife 506 contacts the pipe mouth. The two movable bases 103 are respectively located in the slide grooves symmetrically opened on both sides of the upper end of the cutting table 1, and the cutting mechanisms 5 are symmetrically arranged on the upper ends of the two movable bases 103. The cutting mechanism 5 includes a support frame 501, and the support frame 501 is connected to the second electric telescopic rod 506. 2 is connected to the upper end of the mobile base 103, and the support frame 501 is driven to extend and retract through the second electric telescopic rod 502, so as to adjust the position of the cutting knife 506 so that the cutting knife 506 can better cut welding pipes of different sizes and diameters. At the same time, a mounting plate 503 is installed in the middle of the upper end of the support frame 501, and a driving motor 504 is arranged on the outer side of the mounting plate 503, and the output end of the driving motor 504 passes through the mounting plate 503 and is connected to the connecting shaft 505, and at the same time, the other end of the connecting shaft 505 is detachably connected to the cutting knife 506, and the connecting shaft 505 and the cutting knife 506 are driven to rotate by the driving motor 504, so as to remove the burrs inside the pipe mouth.

[0029] To further illustrate, a push rod 507 is symmetrically arranged on one side of the support frame 501 close to the liquid receiving bucket 4, and the push rod 507 is an L-shaped structure. At the same time, the other end of the push rod 507 is connected to the side of the liquid receiving bucket 4. Through the push rod 507, the side position of the liquid receiving bucket 4 can be easily adjusted so that the liquid receiving bucket 4 is always located below the pipe mouth to collect the cutting fluid.

[0030] according to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, a clamping mechanism 3 is symmetrically arranged on both sides of the middle of the upper end of the cutting table 1, and the clamping mechanism 3 includes a placing frame 301, a mounting leg 302, a driving assembly and an electromagnetic clamp seat 309. The mounting leg 302 is symmetrically arranged on the lower end of the placing frame 301, and the mounting leg 302 is connected to the cutting table 1 through a fixing bolt. At the same time, a driving assembly is arranged on the inner side of the placing frame 301, and the two sides of the upper end of the driving assembly are connected to the corresponding electromagnetic clamp seats 309, and the bottoms of the two electromagnetic clamp seats 309 are slidably connected to the positioning side seats 310 correspondingly arranged on the upper end of the placing frame 301. At the same time, the two electromagnetic clamp seats 309 are located on both sides of the placing cavity 311 opened in the middle of the upper end of the placing frame 301. The electromagnetic clamp seats 309 are driven to move by the driving assembly, so that the welding pipe can be fixedly clamped on the inner side of the placing cavity 311, thereby improving the stability of the placement of the welding pipe during cutting.

[0031] Specifically, the driving assembly includes a first electric telescopic rod 303, a first connecting rod 305, a positioning shaft 306, a second connecting rod 307 and a pushing seat 308. The first electric telescopic rod 303 is connected to the middle of the inner lower end of the placing frame 301 through a positioning sleeve 304, and the two ends of the first electric telescopic rod 303 are respectively rotatably connected to the corresponding lower ends of the first connecting rod 305. At the same time, the upper ends of the two first connecting rods 305 are connected to the inner upper ends of the placing frame 301 through the positioning shaft 306, and the other ends of the two first connecting rods 305 are rotatably connected to one end of the corresponding second connecting rod 307, and the other ends of the two second connecting rods 307 are rotatably connected to the middle of the outer side of the pushing seat 308. At the same time, the bottom of the lower end of the pushing seat 308 is slidably connected to the sliding groove opened at the upper end of the corresponding positioning side seat 310 through a sliding block, and a placing base 312 is provided at the lower end of the placing cavity 311. The two sides of the lower end of the seat 312 are connected to the opposite sides of the two positioning side seats 310. At the same time, an electromagnetic block 313 is arranged in the middle of the inner side of the upper end of the placement base 312. Through the electromagnetic block 313, the lower end of the welding pipe is conveniently fitted and fixed to the placement base 312, so as to further improve the stability of the placement. A vertical column 314 is arranged in the middle of the lower end of the placement base 312, and a sliding sleeve 315 is slidably connected to the outer side of the vertical column 314. At the same time, the two sides of the sliding sleeve 315 are connected to one end of the fourth connecting rod 317 through the third connecting rod 316, and the other end of the fourth connecting rod 317 is connected to the first connecting rod 305. The first electric telescopic rod 303 is extended, so that the first connecting rod 305 drives the second connecting rod 307 to move, so that the pushing seat 308 pushes the electromagnetic clamping seat 309 to clamp the two sides of the welding pipe. At the same time, the fourth connecting rod 317 pulls the third connecting rod 316, so that the sliding sleeve 315 moves downward on the vertical column 314.

[0032] according to Figure 1 and Figure 2As shown, support rods 6 are symmetrically arranged on the upper ends of both sides of the support bottom frame 2, and the top of the support rods 6 is connected to the lower end of the mounting top plate 7, and at the same time, a liquid storage tank 8 is arranged on one side of the front inner side of the support bottom frame 2, and a liquid infusion tube 10 is arranged on one side of the liquid storage tank 8, and a liquid infusion pump 11 is arranged on the liquid infusion tube 10, and at the same time, the other end of the liquid infusion tube 10 is connected to one side of a liquid guide tube 12, and the two sides of the liquid guide tube 12 are connected to the lower end of the mounting top plate 7 through a mounting frame 13, and injection heads 14 are symmetrically arranged on both sides of the liquid guide tube 12, and the two injection heads 14 are respectively The cutting fluid in the liquid storage tank 8 is transported to the liquid guide tube 12 through the liquid infusion tube 10 by the liquid infusion pump 11, and then sprayed out from the injection head 14 to cool and lubricate the cutting position. A liquid receiving bucket 4 is arranged on the outer side of the lower end of the clamping mechanism 3. The liquid receiving bucket 4 is convenient for collecting the cutting fluid after use to prevent the cutting fluid from contaminating the cutting table 1. The liquid receiving bucket 4 is made of elastic rubber material, so that the liquid receiving bucket 4 can be deformed according to the situation when in use, which is convenient for the liquid receiving bucket 4 to be in When in use, it will not interfere with the movement of the cutting mechanism 5, so that the liquid receiving bucket 4 is always located below the pipe mouth, and the side of the liquid receiving bucket 4 is located below the clamping mechanism 3 and the cutting mechanism 5. The lower middle end of the liquid receiving bucket 4 is connected to the filter assembly through a slag discharge pipe 15. The slag discharge pipe 15 is convenient for conveying the used cutting fluid and impurities generated by cutting. The filter assembly includes a filter box 9, and the filter box 9 is located on the other side of the front inner side of the supporting bottom frame 2. At the same time, the upper end of one side of the filter box 9 is connected to the other end of the slag discharge pipe 15. A collecting bag is provided on the side of the filter box 9 near the slag discharge pipe 15. The collecting bag is convenient for collecting impurities in the cutting fluid, so as to facilitate centralized treatment of impurities. A sealing door 901 is provided on the upper front end of the filter box 9. The lower end of one side of the filter box 9 is connected to the lower end of one side of the liquid storage tank 8 through a reflux pipe 16, and a reflux pump 17 is installed on the reflux pipe 16. Through the reflux pump 17, the cutting fluid filtered inside the filter box 9 is transported to the liquid storage tank 8 through the reflux pipe 16 for recycling, thereby improving resource utilization.

[0033] When in use, first place the welding pipe on the placing base 312 so that the two ends of the welding pipe extend out of the outside of the placing frame 301 to the same length, then energize the electromagnetic block 313 to position the welding pipe, then move the electromagnetic clamp seat 309 through the driving component to fit the side of the welding pipe, and energize the electromagnetic clamp seat 309 at the same time so that the electromagnetic clamp seat 309 limits the two sides of the welding pipe, then drive the support frame 501 to extend and retract through the second electric telescopic rod 502 so that the position of the cutting knife 506 is set corresponding to the position of the pipe mouth, and then start the bidirectional motor 101 to drive the screw rod 102 to rotate, so that the movable base 103 drives the cutting mechanism 5 to move horizontally, The cutting knife 506 is located on the inner side of the pipe mouth, and then the driving motor 504 drives the connecting shaft 505 and the cutting knife 506 to rotate, so as to remove the burrs inside the pipe mouth, thereby performing synchronous cutting processing on the pipe mouths at both ends of the welded pipe. At the same time, the cutting fluid inside the liquid storage tank 8 is transported to the liquid guide tube 12 through the infusion tube 10 by the infusion pump 11, and then sprayed out from the injection head 14 to cool and lubricate the cutting position. The generated waste liquid is collected by the liquid receiving bucket 4, and then the waste liquid is transported to the filter box 9 through the slag discharge pipe 15, so that impurities are collected in the collection bag, and the liquid is transported to the inside of the liquid storage tank 8 through the reflux pump 17 and the reflux pipe 16 for recycling, thereby improving resource utilization.

[0034] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision welded pipe orifice cutting device with a precise clamping structure, comprising a cutting table (1), characterized in that: The cutting table (1) is arranged at the upper end of the supporting bottom frame (2), and a bidirectional motor (101) is installed on the inner side of the middle of the cutting table (1), and at the same time, the two ends of the bidirectional motor (101) are respectively connected to the movable base (103) through corresponding screw rods (102), and the two movable bases (103) are respectively located in the slide grooves symmetrically opened on both sides of the upper end of the cutting table (1), and the upper ends of the two movable bases (103) are symmetrically provided with cutting mechanisms (5), and the middle two sides of the upper end of the cutting table (1) are symmetrically provided with clamping mechanisms (3), and the clamping mechanism (3) includes a placement frame (301), a mounting leg (302) and a mounting frame (301). , a driving assembly and an electromagnetic clamp seat (309), the lower end of the placing frame (301) is symmetrically provided with mounting legs (302), and the mounting legs (302) are connected to the cutting table (1) through fixing bolts, and a driving assembly is provided on the inner side of the placing frame (301), the two sides of the upper end of the driving assembly are connected to the corresponding electromagnetic clamp seats (309), and the bottoms of the two electromagnetic clamp seats (309) are slidably connected to the positioning side seats (310) correspondingly provided at the upper end of the placing frame (301), and the two electromagnetic clamp seats (309) are located on both sides of the placing cavity (311) opened in the middle of the upper end of the placing frame (301).

2. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 1, characterized in that: Support rods (6) are symmetrically arranged at the upper ends of both sides of the support bottom frame (2), and the tops of the support rods (6) are connected to the lower ends of the mounting top plates (7). A liquid storage tank (8) is arranged on one side of the front inner side of the support bottom frame (2), a liquid infusion tube (10) is arranged on one side of the liquid storage tank (8), and a liquid infusion pump (11) is arranged on the liquid infusion tube (10), and the other end of the liquid infusion tube (10) is connected to one side of a liquid guide tube (12), and both sides of the liquid guide tube (12) are connected to the lower ends of the mounting top plates (7) through mounting frames (13), and spray heads (14) are symmetrically arranged on both sides of the liquid guide tube (12), and the two spray heads (14) are respectively located above the correspondingly arranged cutting mechanisms (5).

3. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 1, characterized in that: The driving assembly comprises a first electric telescopic rod (303), a first connecting rod (305), a positioning shaft (306), a second connecting rod (307) and a pushing seat (308); the first electric telescopic rod (303) is connected to the middle of the inner lower end of the placing frame (301) through a positioning sleeve (304), and the two ends of the first electric telescopic rod (303) are respectively rotatably connected to the lower ends of the first connecting rods (305) correspondingly arranged; at the same time, the upper ends of the two first connecting rods (305) are connected to the inner upper ends of the placing frame (301) through the positioning shaft (306), the other ends of the two first connecting rods (305) are rotatably connected to one end of the second connecting rods (307) correspondingly arranged, and the other ends of the two second connecting rods (307) are rotatably connected to the middle of the outer side of the pushing seat (308); at the same time, the bottom of the lower end of the pushing seat (308) is slidably connected to the sliding groove provided at the upper end of the corresponding positioning side seat (310) through a sliding block.

4. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 1, characterized in that: A placing base (312) is provided at the lower end of the placing cavity (311), and the two sides of the lower end of the placing base (312) are connected to the opposite sides of the two positioning side seats (310), and an electromagnetic block (313) is provided in the middle of the inner side of the upper end of the placing base (312), and a vertical column (314) is provided in the middle of the lower end of the placing base (312), and a sliding sleeve (315) is slidably connected to the outer side of the vertical column (314), and the two sides of the sliding sleeve (315) are connected to one end of a fourth connecting rod (317) through a third connecting rod (316), and the other end of the fourth connecting rod (317) is connected to the first connecting rod (305).

5. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 1, characterized in that: A liquid receiving bucket (4) is arranged on the outer side of the lower end of the clamping mechanism (3), and the liquid receiving bucket (4) is made of elastic rubber. At the same time, the side of the liquid receiving bucket (4) is located below between the clamping mechanism (3) and the cutting mechanism (5), and the middle lower end of the liquid receiving bucket (4) is connected to the filtering assembly through a slag discharge pipe (15).

6. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 5, characterized in that: The filter assembly comprises a filter box (9), and the filter box (9) is located at the other side of the front interior of the supporting bottom frame (2), and the upper end of one side of the filter box (9) is connected to the other end of the slag discharge pipe (15), a collecting bag is arranged on the side of the filter box (9) close to the slag discharge pipe (15), and a sealing door (901) is arranged at the upper end of the front of the filter box (9), and the lower end of one side of the filter box (9) is connected to the lower end of one side of the liquid storage tank (8) through a return pipe (16), and a return pump (17) is installed on the return pipe (16).

7. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 1, characterized in that: The cutting mechanism (5) comprises a support frame (501), and the support frame (501) is connected to the upper end of the mobile base (103) through a second electric telescopic rod (502), and a mounting plate (503) is installed in the middle of the upper end of the support frame (501), and a driving motor (504) is arranged on the outer side of the mounting plate (503), and the output end of the driving motor (504) passes through the mounting plate (503) and is connected to a connecting shaft (505), and the other end of the connecting shaft (505) is detachably connected to a cutting blade (506).

8. The high-precision welded pipe orifice cutting device with a precise clamping structure as claimed in claim 7, characterized in that: A push rod (507) is symmetrically arranged on one side of the support frame (501) close to the liquid receiving bucket (4), and the push rod (507) is an L-shaped structure, while the other end of the push rod (507) is connected to the side of the liquid receiving bucket (4).

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