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CN-116372250-B - Oil pipe cutting assembly

CN116372250BCN 116372250 BCN116372250 BCN 116372250BCN-116372250-B

Abstract

The invention discloses an oil pipe cutting assembly, which comprises a double-cavity pipeline and an auxiliary piece, wherein the double-cavity pipeline is nested in an oil pipe and comprises an air inlet pipe and a liquid inlet pipe nested in the air inlet pipe, the auxiliary piece comprises a first air bag piece and a second air bag piece which are sequentially arranged along the feeding direction of the oil pipe and are communicated with the air inlet pipe, the outer edges of the first air bag piece and the second air bag piece are in sealing fit with the inner wall of the oil pipe, a lubricating liquid containing cavity is formed in the inner wall of the oil pipe between the first air bag piece, the second air bag piece and the first air bag piece and the second air bag piece, the liquid inlet pipe is communicated with the lubricating liquid containing cavity, and the middle part of the lubricating liquid containing cavity is matched with the cutting position of a cutting tool. Can form a airtight space (lubricating liquid holds the cavity) inside oil pipe for the coolant liquid can hold in this airtight space, makes the coolant liquid can exert good cooling lubrication effect when carrying out cutting operation, can take cutting bits out the lubricating liquid and hold the cavity.

Inventors

  • ZHOU FENG

Assignees

  • 江苏耀坤液压股份有限公司

Dates

Publication Date
20260505
Application Date
20230524

Claims (9)

  1. 1. The oil pipe cutting assembly is characterized by comprising a double-cavity pipeline (2) and an auxiliary piece (3) which are nested in an oil pipe (1), wherein the double-cavity pipeline (2) comprises an air inlet pipe (4) and a liquid inlet pipe (5) nested in the air inlet pipe (4), the auxiliary piece (3) comprises a first air bag piece (31) and a second air bag piece (32) which are sequentially arranged along the feeding direction of the oil pipe (1), the first air bag piece (31) and the second air bag piece (32) are communicated with the air inlet pipe (4), the outer edges of the first air bag piece (31) and the second air bag piece (32) are in sealing fit with the inner wall of the oil pipe (1), and a lubricating liquid accommodating cavity (34) is formed in the inner wall of the oil pipe (1) between the first air bag piece (31), the second air bag piece (32) and the liquid inlet pipe (5) and the lubricating liquid accommodating cavity (34), and the middle part of the lubricating liquid accommodating cavity (34) is matched with the cutting tool; The air inlet pipe (3) is communicated with the air inlet pipe (4) through an air passing pipe (33), the air inlet pipe (4) is provided with a first air inlet connecting plate (311) close to a cutting position, the outer end of the first air inlet connecting plate (311) is sequentially provided with a first air inlet connecting plate (312), a second air inlet connecting plate (321) and a second air inlet connecting plate (322), the first air inlet connecting plate (312) is provided with an air inlet pipe opening (6) communicated with the air inlet pipe (5) in a matched mode, the air inlet pipe (5) is arranged on the first air inlet connecting plate (312) in a protruding mode and communicated with the air inlet pipe opening (6), the inner edge of the first air inlet pipe (31) is tightly attached between the first air inlet connecting plate (311) and the first air inlet connecting plate (312), the first air inlet connecting plate (312) is communicated with the second air inlet connecting plate (321) through the air passing pipe (33), and the inner edge of the second air inlet connecting plate (32) is tightly attached between the second air inlet connecting plate (321) and the second air inlet connecting plate (322).
  2. 2. A tubing cutter assembly according to claim 1, wherein the gas pipe (33) is arranged at an end remote from the initial cutting position of the tubing (1).
  3. 3. The oil pipe cutting assembly according to claim 1, wherein the feeding end of the cutting position is provided with an oil pipe feeding and conveying assembly (7), the oil pipe feeding and conveying assembly (7) comprises a first connecting plate (72) which is vertically arranged, a driving connecting roller (73) is arranged on the first connecting plate (72), a plurality of oil pipe driving wheels (74) are rotationally connected to the side wall of the driving connecting roller (73), an oil pipe driving wheel groove body (75) for accommodating the oil pipe driving wheels (74) is formed in the side wall of the driving connecting roller (73), the inner wheel surface of the oil pipe driving wheels (74) is tightly pressed with the oil pipe (1), the outer wheel surface of the oil pipe driving wheels (74) is in driving connection with the output end of a driving motor, and the axial direction of the oil pipe driving wheels (74) is perpendicular to the conveying direction of the oil pipe (1).
  4. 4. A tubing cutting assembly according to claim 3, wherein limiting parts (71) are fixed on two sides of the tubing driving wheel groove body (75), a compression spring (78) and a first connecting block (77) which is connected with the tubing driving wheel (74) in a matched manner are arranged in the limiting parts (71), the outer end and the inner end of the compression spring (78) are respectively abutted with the limiting parts (71) and the first connecting block (77), the tubing driving wheel (74) is compressed on the outer surface of the tubing (1), and the first connecting block (77) is connected with the tubing driving wheel (74) and the driving motor bracket (76) in a matched manner.
  5. 5. Tubing cutter assembly according to claim 3 or 4, characterized in that the tread of the tubing drive wheel (74) is provided with a concave tread (741) cooperating with the convex outer surface of the tubing (1).
  6. 6. A tubing cutter assembly according to claim 3, characterized in that the feeding side of the first connecting plate (72) is provided with a guiding connecting assembly (8), a guiding connecting plate (81) is arranged on the guiding connecting assembly (8), a guiding connecting roller (82) is arranged on the guiding connecting plate (81), a plurality of tubing guiding wheels (83) are rotationally connected to the side wall of the guiding connecting roller (82), a tubing guiding wheel groove (84) for accommodating the tubing guiding wheels (83) is formed in the side wall of the guiding connecting roller (82), the inner surface of the tubing guiding wheel (83) is tightly pressed with the tubing (1), and the axial direction of the tubing guiding wheels (83) is perpendicular to the conveying direction of the tubing (1).
  7. 7. The oil pipe cutting assembly according to claim 3, wherein the first connecting plate (72) is rotatably connected with the driving connecting roller (73) through a bearing, a rotating hole (79) matched with the driving connecting roller (73) is formed in the first connecting plate (72), one end of the driving connecting roller (73) extends out of the rotating hole and is matched and connected with the plurality of oil pipe driving wheels (74), the other end of the driving connecting roller (73) extends out of the rotating hole (79) to form an oil pipe rotation driving wheel (711), and the oil pipe rotation driving wheel (711) is in driving connection with the oil pipe rotation motor (710) through a reduction gearbox (712), a synchronous pulley (713) and a synchronous belt (714), so that the oil pipe (1) rotates around an axis.
  8. 8. The oil pipe cutting assembly according to claim 1, wherein one end part of the double-cavity pipeline (2) is a hidden end (9) in the oil pipe (1), the other end part of the double-cavity pipeline (2) is exposed out of the oil pipe (1) to form an exposed end (10), the exposed end (10) is provided with an air inlet port (101), the air inlet port (101) is communicated with the air inlet pipe (4), the exposed end (10) is provided with a liquid inlet port (102), the liquid inlet port (102) is communicated with the liquid inlet pipe (5), the connecting position of the liquid inlet port (102) and the double-cavity pipeline (2) extends outwards to seal an end opening of the air inlet pipe (4), and a connecting sheet (11) is arranged between the air inlet pipe (4) and the liquid inlet pipe (5).
  9. 9. The oil pipe cutting assembly according to claim 8, wherein the exposed end (10) is provided with an adjusting assembly (12) for adjusting the front and rear positions of the double-cavity pipeline (2) in the feeding direction, the adjusting assembly (12) comprises an adjusting bracket (121) and a driving adjusting cylinder (122) with the driving direction parallel to the feeding direction, the adjusting bracket (121) comprises an adjusting bottom plate (1211), a sliding connecting plate (1212) is arranged on the adjusting bottom plate (1211) along the feeding direction, the double-cavity pipeline (2) is in sliding connection with the sliding connecting plate (1212), an output rod (1221) of the driving adjusting cylinder (122) is fixedly connected with the double-cavity pipeline (2) through a pull rod block (1222), and the driving adjusting cylinder (122) drives the double-cavity pipeline (2) to reciprocate and slide along the feeding direction.

Description

Oil pipe cutting assembly Technical Field The invention belongs to the field of cutting equipment, and particularly relates to an oil pipe cutting assembly. Background When cutting is carried out in the prior art, the cooling liquid (lubricating liquid) is sprayed onto the cutting tool from the position of the cutting head through the external spray head, and the mode has two defects, firstly, the cooling and lubricating effects are poor, and the cooling liquid can only leak in from the cutting joint or can leak in through the cutting head. Secondly, the brought cooling liquid is very limited, a large amount of spraying cooling liquid or lubricating liquid is needed to improve the cooling effect, so that the use amount of the cooling liquid is increased, the cost is not beneficial to saving, thirdly, the flow direction of the cooling liquid is from the outside of the pipe to the inside of the pipe, a large amount of cutting scraps are easily brought into the pipe, and the pipe is required to be cleaned or the spray gun is required to be cleaned in the later stage. Disclosure of Invention The invention aims to provide an oil pipe cutting assembly so as to solve the technical problems that the utilization rate of cooling liquid is low, the effect is poor and cutting scrap iron is easy to bring into a pipe fitting. The oil pipe cutting assembly comprises a double-cavity pipeline and an auxiliary piece, wherein the double-cavity pipeline is nested in an oil pipe and comprises an air inlet pipe and a liquid inlet pipe nested in the air inlet pipe, the auxiliary piece comprises a first air bag piece and a second air bag piece which are sequentially arranged along the feeding direction of the oil pipe and are communicated with the air inlet pipe, the outer edges of the first air bag piece and the second air bag piece are in sealing fit with the inner wall of the oil pipe, a lubricating liquid containing cavity is formed in the inner wall of the oil pipe between the first air bag piece, the second air bag piece and the first air bag piece, the inner wall of the oil pipe between the first air bag piece and the second air bag piece, the liquid inlet pipe is communicated with the lubricating liquid containing cavity, and the middle part of the lubricating liquid containing cavity is matched with the cutting position of a cutting tool. Through such design, can form a confined space (lubricating liquid holds the cavity) in oil pipe inside for the coolant liquid can hold in this confined space, makes the coolant liquid can exert good cooling lubrication effect when carrying out cutting operation, can take the cutting piece out the lubricating liquid and hold the cavity. The air inlet pipe is communicated with the air inlet pipe through an air passing pipe, a first air bag piece air inlet connecting plate is arranged at a position, close to cutting, of the air inlet pipe, a first air bag matching plate, a second air bag air inlet connecting plate and a second air bag matching plate are sequentially arranged at the outer end of the first air bag piece air inlet connecting plate, an air inlet pipe opening communicated with an air inlet pipe in a matching mode is formed in the first air bag matching plate, the air inlet pipe is arranged on the first air bag air inlet connecting plate in a protruding mode and communicated with the air inlet pipe opening, the inner edge of the first air bag piece is tightly attached to the position between the first air bag air inlet connecting plate and the first air bag matching plate, the first air bag matching plate is communicated with the second air bag connecting plate through the air passing pipe, and the inner edge of the second air bag piece is tightly attached to the position between the second air inlet connecting plate and the second air bag matching plate. In addition, the first air bag piece is communicated with the air inlet pipe, and is structurally connected into a whole, and after the pipeline is cut, the position can be synchronously adjusted. Further, the gas passing pipe is arranged at one end far away from the initial cutting position of the oil pipe. By such a design, the cutting of the gas passing pipe is avoided in the early and middle stages of the cutting operation. Further, the feed end of cutting position is provided with oil pipe feeding conveying assembly, oil pipe feeding conveying assembly is including the first connecting plate of vertical setting, be provided with the drive on the first connecting plate and connect the cylinder, the drive is connected with a plurality of oil pipe drive wheels in the rotation of cylinder lateral wall, set up the oil pipe drive wheel cell body that holds the oil pipe drive wheel on the cylinder lateral wall, the interior face and the oil pipe sticiss the setting of oil pipe drive wheel, the outer wheel face and the output drive of driving motor of oil pipe drive wheel are connected, the axial of oil pipe drive wheel sets up pe